CN1318186C - Straight line servo mechanism with multiple cutter - Google Patents
Straight line servo mechanism with multiple cutter Download PDFInfo
- Publication number
- CN1318186C CN1318186C CNB031246192A CN03124619A CN1318186C CN 1318186 C CN1318186 C CN 1318186C CN B031246192 A CNB031246192 A CN B031246192A CN 03124619 A CN03124619 A CN 03124619A CN 1318186 C CN1318186 C CN 1318186C
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- cutter
- knife rest
- multitool
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- 230000007246 mechanism Effects 0.000 title claims abstract description 88
- 230000017105 transposition Effects 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 206010063385 Intellectualisation Diseases 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 238000003754 machining Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
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Abstract
The present invention relates to a linear servo mechanism with multiple cutters, which is a set of cutting shifting mechanism additionally arranged at the output end of a linear motor of a machine tool. The cutter shifting mechanism comprises a mechanism main body provided with components, a linear driving component between a linear motor shaft and a turning tool, a position-changeable cutter frame, a cutter frame position-change driving mechanism, a clutch of the position-changeable cutter frame, an elastic locating component of the linear driving component, a locking device for tightly locking the cutter frame, a measuring transducer for detecting the position states of each moving component, and a protection component for preventing turning oil stains. The mechanism of the present invention can be used on a machine tool to finish the fine processing of the outer circle of a piston in complicated shape by installing and clamping once. The present invention has the advantages of high processing precision, high efficiency, simple operation and maintenance, low equipment cost, high automation, high intellectualization and favorable technical performance.
Description
Technical field:
The present invention relates to a kind of machinery processing apparatus, be specifically related to a kind ofly, be particularly suitable for the fine finishining in clamping of the piston skirt of complex contour and its cylindrical of head about the accurately machined multitool linear servo of piston type part cylindrical mechanism.
Background technology:
The shape of Modern Internal-Combustion Engine outside piston becomes increasingly complex.Its skirt section is multistage middle-convex and varying ellipse molded lines often, and head also studs with the cast iron ring except the molded lines of complexity, and in addition, the piston that has also requires stack collection carbon groove.
In order to process such piston, method in the past is to adopt multiple working procedure, the different operation of processing on different lathes.Because piston machining accuracy improves constantly, the error that clamping brings has arrived unallowable degree.And multiple clamping, the working (machining) efficiency of piston is reduced greatly.The other method that solves piston processing is to manufacture and design multistation, the building-block machine that automaticity is high.This lathe is all having the result who feels quite pleased aspect machining accuracy and the efficient, regrettably: the cost of this lathe is too high, and, because mechanism's complexity, adjust, operation, maintenance be all very difficult, thereby this lathe fails generally to be used.
Summary of the invention:
Technical problem to be solved by this invention is: solve that the error that in the past adopted the multiple working procedure multiple clamping to bring for complex-shaped internal combustion engine cylindrical processing was big, efficient is low, as adopt the high building-block machine of automaticity then cost height, mechanism's complexity, adjust all very difficult problem of operating maintenance; The present invention aims to provide the multitool linear servo mechanism on a kind of lathe, finishes complex-shaped outside piston fine finishining in a clamping, and machining accuracy and working (machining) efficiency height, and Operation and maintenance are simple, and cost of equipment is low.
The technical solution used in the present invention is: the cover cutter-exchange mechanism that this multitool linear servo mechanism is installed additional for the linear electric motors output at lathe, and this cutter-exchange mechanism mainly also includes:
1) mechanism body;
2) be installed in the mechanism body, front end installs can replace knife rest and many straight-line transmitting dynamic components of being fixedlyed connected with the linear electric motors axle in lathe tool, rear end;
3) the cutter cassette holder by roller bearings at straight-line transmitting dynamic component connecting rod front end endoporus, by the replaced knife rest of driven gear, driving gear transmission;
4) be installed in the mechanism body, driving gear is driven by the revolution cylinder with driven gear clutch, driving gear and by the knife rest of the roller bearings driving mechanism that replaces;
5) the directly moving cylinder of dibit is fixed on the mechanism body, the directly moving cylinder output shaft of dibit connects the revolution cylinder seat and and then drive the clutch of driving gear.
The present invention also can install elasticity positioning element, locking device, measuring transducer, protecting component in mechanism body:
The elasticity positioning element comprises two flat springs and supporting diaphragm, and their end all is connected and fixed with mechanism body, and their other end is fixedlyed connected with connecting rod;
Locking device comprises: the locking cylinder is fixed on the connecting rod by cylinder seat, and output shaft connection of locking cylinder and driving locking pin are inserted in the driven gear backlash or from backlash to be return;
Measuring transducer comprises: the displacement transducer that is connected on mechanism body and the Connection Block is installed at two ends respectively; By driven gear both sides deep trouth and the knife rest rotational position sensor that constitutes near switch; Be installed in the clutch position sensor that the magnetic switch in the directly moving cylinder of dibit constitutes; Be installed in the locking device state sensor that the magnetic switch in the locking cylinder constitutes;
Protecting component comprises interconnective square shell, front shroud and seal membrane.
Or the coincidence parallel with electrical axis of aforesaid its axis of straight-line transmitting dynamic component of the present invention, the lathe tool of work is then below the axis of straight-line transmitting dynamic component.
The cutter box end face of the aforesaid knife rest that replaces circumferentially uniform two or three lathe tool, the cutter box is connected with screw and alignment pin and cutter cassette holder.
Aforesaid knife rest transposition driving mechanism adopts revolution cylinder and driving gear to drive the transposition of knife rest, the revolution cylinder is fixed on the cylinder seat, two bobbins are housed in cylinder seat to be held, cylinder seat can be slided along guide post, the directly moving cylinder of dibit in the clutch then draws, pushes away cylinder seat by its output shaft, so draw, push away driving gear and driven gear carry out from, close.
The stiff end and the mechanism body of two flat springs are connected in the aforesaid elasticity positioning element, and the Connection Block of its movable end is connected with motor shaft and connecting rod respectively as a link of straight-line transmitting dynamic component.
The supporting diaphragm is to make with del or X-shaped foil in the aforesaid elasticity positioning element, and sheet metal one end is fixed on the mechanism body, and the other end is fixed on the connecting rod, and its junction is fixed with press strip and screw.
The present invention utilizes the multitool linear servo mechanism on a machine tool, in a clamping, finish the fine finishining of complex-shaped outside piston, avoided the employing multiple working procedure, the different operation of processing on different lathes, the error that multiple clamping is brought is big, the drawback that working (machining) efficiency is low, also overcome Automatic Combined lathe cost height, mechanism's complexity, adjust all very difficult problem of operating maintenance, the present invention is according to different processing requests, call the different cutters on the knife rest, have the machining accuracy height, the working (machining) efficiency height, operating maintenance is simple, the distinguishing feature that cost of equipment is low.
Description of drawings:
Fig. 1 is a longitudinal sectional view of the present invention
Fig. 2 is a section plan of the present invention
Fig. 3 is a side schematic view of the present invention
Fig. 4 is two cutter cutter box schematic diagrames
Fig. 5 is three cutter cutter box schematic diagrames
Fig. 6 is a kind of supporting diaphragm schematic diagram
Fig. 7 is another kind of supporting diaphragm schematic diagram
Fig. 8 is the present invention's block diagram that makes a practical application of a principle
The specific embodiment:
The cover cutter-exchange mechanism of the present invention for installing additional at the linear electric motors output.Mainly include:
1) mechanism body;
2) be installed in the mechanism body, front end installs can replace knife rest and many straight-line transmitting dynamic components of being fixedlyed connected with the linear electric motors axle in lathe tool, rear end;
3) the cutter cassette holder by roller bearings at straight-line transmitting dynamic component connecting rod front end endoporus, by the replaced knife rest of driven gear, driving gear transmission;
4) be installed in the mechanism body, driving gear is driven by the revolution cylinder with driven gear clutch, driving gear and by the knife rest of the roller bearings driving mechanism that replaces;
5) the directly moving cylinder of dibit is fixed on the mechanism body, the directly moving cylinder output shaft of dibit connects the revolution cylinder seat and and then drive the clutch of driving gear.
The present invention also can install elasticity positioning element, locking device, measuring transducer, protecting component in mechanism body:
The elasticity positioning element comprises two flat springs and supporting diaphragm, and their end all is connected and fixed with mechanism body, and their other end is fixedlyed connected with connecting rod;
Locking device comprises: the locking cylinder is fixed on the connecting rod by cylinder seat, locking cylinder output shaft connect and drive locking pin be inserted in the driven gear backlash or from backlash return;
Measuring transducer comprises: the displacement transducer that is connected on mechanism body and the Connection Block is installed at two ends respectively; By driven gear both sides deep trouth and the knife rest rotational position sensor that constitutes near switch; Be installed in the clutch position sensor that the magnetic switch in the directly moving cylinder of dibit constitutes; Be installed in the locking device state sensor that the magnetic switch in the locking cylinder constitutes;
Protecting component comprises interconnective square shell, front shroud and seal membrane.
Referring to Fig. 1, Fig. 2, Fig. 3, mechanism body 1 of the present invention partly is made up of square shell 56 and front shroud 2 etc.Each parts that its effect is a bindiny mechanism, its rear end links to each other with the front end face of linear electric motors, and stretches out lathe tool from front end.In fact can regard the combination of mechanism of the present invention and linear electric motors as the multifunctional intelligent servo control mechanism.
The straight-line transmitting dynamic component is that the straight-line displacement with the linear electric motors output shaft is transferred on the lathe tool.It comprises (Fig. 1, Fig. 2): the Connection Block 3 of the flat spring that resets, connecting rod 4, rolling bearing 7, cutter cassette holder 8, cutter box 9, alignment pin 10 and lathe tool 11.The Connection Block 3 of flat spring of resetting links to each other with connecting rod 4 with motor output shaft 12 respectively.The front end endoporus of connecting rod 4 links to each other with cutter cassette holder 8 by rolling bearing 7 again.Cutter box 9 is fixed in the cutter cassette holder by screw 13, and prevents that with alignment pin 10 cutter box 9 from rotating in the cutter cassette holder.In the cutter box 9 with screw 14 as required fixedly 2-3 lathe tool 11 (Fig. 3 and Fig. 4, Fig. 5).Three lathe tools are pressed 120 ° of balanced configurations along cutter box axis, and Fig. 4 is two cutter cutter boxes, and Fig. 5 is three cutter cutter boxes, and the lathe tool of work is under axis.The no axial joint gap each part from motor output shaft 12 to lathe tool guarantees the axial displacement of motor accurately is sent to lathe tool.
The elasticity positioning element guarantees that lathe tool has enough rigidity with side direction vertically.It comprises two flat springs 15 and supporting diaphragm 16 (Fig. 6, Fig. 7).One end of two flat springs 15 links to each other with mechanism body 1, and the other end links to each other with Connection Block 3.According to the operation principle of two flat springs, the each point on the Connection Block 3 mechanism body is relatively done translational motion.Two flat springs guarantee that there is accurate zero-bit in mechanism, and the thickness of choose reasonable leaf spring can obtain the desirable dynamic property of servo-drive system.Supporting diaphragm 16 (Fig. 6) is the sheet metal of a del, and the upper end is fixed on the mechanism body by press strip 17 and screw 18, and the lower end has circular hole, by bearing pressure ring 19 it is pressed on the front end of connecting rod 4.The effect of supporting diaphragm is the lateral rigidity that increases mechanism.Diaphragm 16 also can be processed into the X-shaped shape by Fig. 7.
The effect of knife rest of can replacing is under the effect of knife rest transposition driving mechanism, and required lathe tool is forwarded on the operating position.It is made up of driven gear 20, cutter cassette holder 8, rolling bearing 7, cutter box 9, alignment pin 10 and hold-down screw 13 etc.Tighten together 8,9 by screw 13 and alignment pin 10, when driven gear was activated moment, knife rest promptly rotated under the support of bearing, made the lathe tool transposition.
Knife rest transposition driving mechanism is made up of revolution cylinder 21, cylinder seat 22, rolling bearing 23 and driving gear 24 etc.Cylinder 21 is oscillating cylinders of dibit angle adjustable, is fixed on the cylinder seat 22 by screw.Driving gear 24 links to each other with the output shaft of revolution cylinder 21.The rotation of driving gear is supported by rolling bearing 23, and bearing 23 is contained in the endoporus of cylinder seat 22.Down, driving gear and driven gear mesh in working order, and the swing of cylinder is passed to driven gear by driving gear 24, thereby drive the knife rest transposition.
The effect of clutch is when the lathe tool cutting workpiece, and driving gear and driven gear are separated.It by the directly moving cylinder 25 of dibit, axle sleeve 26, guide post 27, bobbin hold 28 and spacing collar 29 etc. form, the directly moving cylinder 25 of dibit is screwed on mechanism body 1.Axle sleeve 26 links to each other with cylinder seat 22 with the output shaft of cylinder 25 respectively.When the output shaft of cylinder 25 stretches out, promptly promote the driving gear 24 and driven gear 20 engagements of transposition driving mechanism; Otherwise when the output shaft indentation of cylinder 25, i.e. the driving gear 24 of pulling transposition driving mechanism and driven gear 20 are separately.In addition, in the both sides up and down of oscillating cylinder seat two bobbins are housed and hold 28, guide post 27 1 ends are inserted in the endoporus that bobbin holds, and the other end is fastened on the mechanism body 1, and spacing collar 29 is housed again on guide post 27, guarantee the guiding of clutch and spacing with this.
The effect of locking device is when the lathe tool cutting workpiece, and the locking knife rest makes it and can not rotate.It is made up of locking cylinder 30, cylinder seat 31, locking pin 32 etc.Locking cylinder 30 and cylinder seat 31 are connected with screw thread, and cylinder seat is fastening with connecting rod 4 again.Locking pin 32 links to each other with the output shaft of cylinder.When lathe tool cut workpiece, locking cylinder 30 held out against locking pin 32 in the backlash of driven gear, thus the locking knife rest.
Measuring transducer is the precondition that realizes multitool mechanism Based Intelligent Control, and there is multiple measuring transducer in mechanism, and division is as follows: (1) displacement transducer 33.The body of this sensor is installed on the mechanism body 1, and its sensitive axes is connected with the Connection Block 3 of two flat springs, and so connection can be measured the displacement of lathe tool along axis direction.(2) knife rest rotational position sensor.This sensor is used to measure lathe tool and whether forwards the operating position to.Two are fixed on the sensor stand 36 near switch 34 usefulness screws 35, and support 36 is fixed on the mechanism body 1.Have three deep trouths 37 of 120 ° of being separated by on the cylinder of driven gear 20 both sides, the position of groove is corresponding with the position of lathe tool, and when lathe tool forwarded station to, corresponding groove was aimed at just near switch.(3) clutch position sensor.In the directly moving cylinder 25 of the dibit of clutch, magnetic switch 38 is housed, provides the signal of corresponding clutch position.(4) locking device state sensor.In locking cylinder 30, magnetic switch 39 is housed, provides the signal of locking device state.
The effect of protecting component is to prevent that car bits and greasy dirt to the pollution of mechanism, guaranteeing mechanism's operate as normal, and it comprises front shroud 2, seal membrane 40, bearing inner pressure ring 19, outer press ring 42 and the screw gasket etc. of mechanism body.Seal membrane 40 inner pressure rings 19, outer press ring 42 and screw gasket etc. fix.Seal membrane adopts the canvas filler rubber material, can not influence the motion of lathe tool.
The annexation of multitool linear servo mechanism of the present invention and Digit Control Machine Tool as shown in Figure 8, Digit Control Machine Tool is prior art for the present invention among the figure.The displacement input of multitool linear servo mechanism 55 is from the output shaft 12 of linear electric motors 45; The work source of the gas of each cylinder is imported respectively through air control unit 46 and pipeline 47; The displacement output of multitool linear servo mechanism is affacted on the processed workpiece 48 by lathe tool 11; The multitool straight line is waitd upon the signal of each measuring transducer of clothes mechanism and is passed to computer 50 through cable 49.Computer is the control centre of lathe.It is measured and controls the other parts of lathe, and control signal is passed to controller 52 by cable 51, respectively control signal is passed to air control unit 46 and linear electric motors 45 by controller by cable 53,54.Among the figure, lathe, computer 50, cable 51, controller 52, cable 53,54, air control unit 46, pipeline 47, linear electric motors 45, output shaft 12, cable 49 are prior art.
Multitool linear servo working process of mechanism is as follows: the lathe tool of selecting to use in the preparatory stage (2-3), and adjust the radial position of cutter.When the good workpiece of clamping, lathe starts, and during the operation of digital control system procedure, computer is at first checked the state of each sensor.When needing tool changing.Control locking cylinder 30 unclamps locking pin 32, and when the magnetic switch 39 signals affirmation 32 in the locking cylinder 30 had been unclamped, the directly moving cylinder 25 of control dibit was pushed driving gear 24 to driven gear 20, makes it engagement.When the magnetic switch 38 in the directly moving cylinder 25 of dibit confirms that engagement puts in place, 21 revolutions of control revolution cylinder, driving gear drives driven gear and rotates, the cutter transposition.Provide the signal whether cutter accurately puts in place near switch 34.After transposition finishes.The locking cylinder is pressed onto locking pin 32 in the backlash of driven gear again, the locking knife rest.After locking puts in place, the directly moving cylinder 25 of dibit separates driving gear and driven gear, tool changing work is all finished, after this, computer is delivered to controller 52 according to the machining shape that excircle of workpiece requires with coherent signal, control linear electric motors 45 are done straight reciprocating motion, on the straight-line displacement transmission lathe tool of the straight-line transmitting dynamic component of multitool linear servo mechanism with the linear electric motors output shaft, so that the cylindrical of processing work.Process after one section, need to change cutting parameter (speed of mainshaft, feed, lathe tool or the like) as next section, then computer-controlled machine tool and this multitool mechanism make corresponding action, up to the workpiece completion of processing.
In sum, the present invention has following advantage: (1) adopts multitool mechanism, and different processing sections is used different cutters instead, can process each section of same unlike material and profile, for example, the cast iron ring of the middle-convex and varying ellipse cylindrical of piston skirt, head, head, collection carbon groove or the like.(2) automatic tool changer has shortened the secondary process time greatly, has improved production efficiency.(3) adopt multiple sensors, realizes increasingly automated, the minimizing fault rate.(4) clampings are finished the multi-step process of workpiece, have improved the machining accuracy of workpiece.(5) mechanism is simple, and cost is low.
Claims (7)
1, a cover cutter-exchange mechanism is installed additional at lathe linear electric motors output in a kind of multitool linear servo mechanism, it is characterized in that described cutter-exchange mechanism mainly includes:
1) mechanism body;
2) be installed in the mechanism body, front end installs can replace knife rest and many straight-line transmitting dynamic components of being fixedlyed connected with the linear electric motors axle in lathe tool, rear end;
3) the cutter cassette holder by roller bearings at straight-line transmitting dynamic component connecting rod front end endoporus, by the replaced knife rest of driven gear, driving gear transmission;
4) be installed in the mechanism body, driving gear is driven by the revolution cylinder with driven gear clutch, driving gear and by the knife rest of the roller bearings driving mechanism that replaces;
5) the directly moving cylinder of dibit is fixed on the mechanism body, the directly moving cylinder output shaft of dibit connects the revolution cylinder seat and and then drive the clutch of driving gear.
2, multitool linear servo according to claim 1 mechanism is characterized in that: elasticity positioning element, locking device, measuring transducer, protecting component also are installed in mechanism body:
1) the elasticity positioning element comprises two flat springs and supporting diaphragm, and their end all is connected and fixed with mechanism body, and their other end is fixedlyed connected with connecting rod;
2) locking device: comprise that the locking cylinder is fixed on the connecting rod by cylinder seat, the locking pin that the connection of locking cylinder output shaft drives is inserted in the driven gear backlash or from backlash to be return;
3) measuring transducer comprises: the displacement transducer that is connected on mechanism body and the Connection Block is installed at two ends respectively; By driven gear both sides deep trouth and the knife rest rotational position sensor that constitutes near switch; Be installed in the clutch position sensor that the magnetic switch in the dibit straight line cylinder constitutes; Be installed in the locking device state sensor that the magnetic switch in the locking cylinder constitutes;
4) protecting component comprises interconnective square shell, front shroud and seal membrane.
3, multitool linear servo according to claim 1 mechanism is characterized in that: described its axis of straight-line transmitting dynamic component is parallel with electrical axis or overlap, and the lathe tool of work is then below the axis of straight-line transmitting dynamic component.
4, multitool linear servo according to claim 1 mechanism is characterized in that: the cutter box end face of the described knife rest that replaces circumferentially uniform two or three lathe tool, the cutter box is connected with screw and alignment pin and cutter cassette holder.
5, multitool linear servo according to claim 1 mechanism, it is characterized in that: described knife rest transposition driving mechanism adopts revolution cylinder and driving gear to drive the transposition of knife rest, the revolution cylinder is fixed on the cylinder seat, two bobbins are housed in cylinder seat to be held, cylinder seat can be slided along guide post, the directly moving cylinder of dibit in the clutch then draws, pushes away cylinder seat by its output shaft, so draw, push away driving gear and driven gear carry out from, close.
6, multitool linear servo according to claim 2 mechanism, it is characterized in that: the stiff end and the mechanism body of two flat springs are connected in the described elasticity positioning element, and the Connection Block of its movable end is connected with motor shaft and connecting rod respectively as a link of straight-line transmitting dynamic component.
7, multitool linear servo according to claim 2 mechanism, it is characterized in that: the supporting diaphragm is to make with del or X-shaped foil in the described elasticity positioning element, sheet metal one end is fixed on the mechanism body, the other end is fixed on the connecting rod, and its junction is fixed with press strip and screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031246192A CN1318186C (en) | 2003-07-04 | 2003-07-04 | Straight line servo mechanism with multiple cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031246192A CN1318186C (en) | 2003-07-04 | 2003-07-04 | Straight line servo mechanism with multiple cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1565801A CN1565801A (en) | 2005-01-19 |
| CN1318186C true CN1318186C (en) | 2007-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031246192A Expired - Fee Related CN1318186C (en) | 2003-07-04 | 2003-07-04 | Straight line servo mechanism with multiple cutter |
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| CN (1) | CN1318186C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601391A (en) * | 2011-01-21 | 2012-07-25 | 安阳鑫盛机床股份有限公司 | High-frequency-response micro-feeding servo tool rest driven by double linear motors |
| CN102632252B (en) * | 2012-02-24 | 2014-07-30 | 中国石油大学(华东) | Novel high-efficiency cross symmetric servo feed variable-frequency driving bar grooving machine |
| CN106563964A (en) * | 2016-10-28 | 2017-04-19 | 北京海普瑞森科技发展有限公司 | Sharp knife device capable of changing knives |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069320U (en) * | 1989-11-23 | 1991-01-16 | 高传滨 | Indexing excircle turning tool capable of quick mounting and clamping |
| CN1144150A (en) * | 1995-04-13 | 1997-03-05 | Emag-机械销售服务股份有限公司 | Multiple main axle machine tool |
| CN1265953A (en) * | 2000-03-31 | 2000-09-13 | 清华大学 | Spindle swing mechanism for multi-coordinate numerically-controlled machine tool |
| US6186248B1 (en) * | 1995-12-12 | 2001-02-13 | Boart Longyear Company | Closed loop control system for diamond core drilling |
| US6263553B1 (en) * | 2000-06-27 | 2001-07-24 | Davenport Industries, Llc. | Machine tool with servo drive mechanism |
| CN2541099Y (en) * | 2001-06-30 | 2003-03-26 | 张维克 | Multi-mainshaft milling machine for brake block holder |
-
2003
- 2003-07-04 CN CNB031246192A patent/CN1318186C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069320U (en) * | 1989-11-23 | 1991-01-16 | 高传滨 | Indexing excircle turning tool capable of quick mounting and clamping |
| CN1144150A (en) * | 1995-04-13 | 1997-03-05 | Emag-机械销售服务股份有限公司 | Multiple main axle machine tool |
| US6186248B1 (en) * | 1995-12-12 | 2001-02-13 | Boart Longyear Company | Closed loop control system for diamond core drilling |
| CN1265953A (en) * | 2000-03-31 | 2000-09-13 | 清华大学 | Spindle swing mechanism for multi-coordinate numerically-controlled machine tool |
| US6263553B1 (en) * | 2000-06-27 | 2001-07-24 | Davenport Industries, Llc. | Machine tool with servo drive mechanism |
| CN2541099Y (en) * | 2001-06-30 | 2003-03-26 | 张维克 | Multi-mainshaft milling machine for brake block holder |
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| CN1565801A (en) | 2005-01-19 |
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Owner name: CHANGSHA YIPAI CNC MACHINE TOOLS CO., LTD. Free format text: FORMER OWNER: HUNAN YIPAI CNC EQUIPMENT CO., LTD. Effective date: 20090522 |
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Effective date of registration: 20090522 Address after: Hunan province Changsha Tianhua Changsha economic and Technological Development Zone, Road No. 9 Patentee after: Changsha EPOCH NC Machine Tool Co., Ltd. Address before: F2068, Xiaoxiang Road, Hunan, Changsha Patentee before: Hunan Epoch NC Equipment Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410100 Hunan province Changsha Tianhua Changsha economic and Technological Development Zone, Road No. 9 Patentee after: CHANGSHA EPOCH NC MACHINE TOOLE CO., LTD. Address before: 410100 Hunan province Changsha Tianhua Changsha economic and Technological Development Zone, Road No. 9 Patentee before: Changsha EPOCH NC Machine Tool Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 Termination date: 20180704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |