CN101406923B - Rolling die, and method for manufacturing rolling screw shaft with the rolling die - Google Patents
Rolling die, and method for manufacturing rolling screw shaft with the rolling die Download PDFInfo
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- CN101406923B CN101406923B CN2008101668255A CN200810166825A CN101406923B CN 101406923 B CN101406923 B CN 101406923B CN 2008101668255 A CN2008101668255 A CN 2008101668255A CN 200810166825 A CN200810166825 A CN 200810166825A CN 101406923 B CN101406923 B CN 101406923B
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- classics
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- gear wheel
- rolling
- make
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Abstract
The invention provides a method for manufacturing a rolling screw shaft with a deep groove and thin diameter by using rolling dies capable of manufacturing the screw shaft with the deep groove and thin diameter. The rolling die is characterized in that the rolling die surface has a helical saw tooth lead angle in a cone shape. A right angle cross sectional surface shape of the helical saw tooth lead angle is a semi-circle shape saw tooth having a radius R, and the interval between the semi-circle shape saw tooth and the rolling die surface is connected by an arc with a radius r. Viewed from an axial section shape the rolling die surface comprises: a hinge part having a hinge angle of theta1 with a center axis of the rolling die, a parallel straight-line part parallel to the center axis of the rolling die, and a disjunction part having a disjunction angle theta 2 with the center axis of the rolling die. The method for manufacturing the rolling die and rolling screw shaft is characterized in that a round rod is inserted into the hinge part between a pair of the rolling die to roll when the rolling screw shaft is rolled.
Description
Technical field
The present invention system makes gear wheel and makes the screw shaft manufacture method with the commentaries on classics of thin footpath radius R round bottom zanjon about the commentaries on classics that a kind of manufacturing is used for the thin footpath zanjon screw shaft of automatically-controlled door drive division rotating shaft etc.
Background technology
Making mode with commentaries on classics, to make screw rod be general commonly used method, change the screw rod manufacture method of producing ball screw by rotation mode and (refer to Patent Document 1, the spy opens the 2003-33841 communique), or changeing the gear wheel of producing the high-performance dental groove and its manufacture method (refer to Patent Document 2, the spy opens the 2001-300675 communique) etc. with cheap price has been disclosed; Use a pair of gear wheel, insert the screw rod stock between the two and change and make.Change so that to make mode be the most general method, characteristics and advantage that it is maximum are: carry out the screw ditch and add man-hour, as long as time processing both can be finished.Cut processing axle in comparison with grinding,, therefore can significantly reduce cost, become the manufacture of screw rod at a low price than the tool production.
Mode is made in this commentaries on classics can make gear wheel apart from disposing two commentaries on classics can circling round according to desirable tooth, and between inserts pole, and the continuous taper sawtooth of making gear wheel with commentaries on classics forms the screw ditch on the pole surface, and it is the manufacture method of screw ditch; To the axis direction of pole, two commentaries on classics of tilting are slightly made gear wheel with equidirectional rotation, pole also relatively makes its rotation, forms the screw ditch, and can move from the axis direction of trend pole.
The axis direction of pole with change the hinge make gear wheel the inclination angle of θ 1 arranged, according to the size at inclination angle, deepen the commentaries on classics of the screw degree of depth in regular turn and make gear wheel, can lower in the drag of changeing when making.
In addition, insert after the pole, begin to form in regular turn the screw ditch from the pole end, make formed screw ditch with commentaries on classics this moment can be more and more dark, change and to make the amount of plastic deformation that the gear wheel pressurization produced and to increase, the rotation drag that takes place between gear wheel and the pole can increase, after rotating the drag increase, beginning to add can change the load change that fierceness takes place the manufacturing apparatus side man-hour, and the maintenance energy that begins to add the pole in man-hour can be because rotate the increase of drag unstability, therefore error can take place in groove precision and out of roundness, and the surface of particularly thin footpath axle may produce peels off or problem such as distortion.Change in addition and make gear wheel because the sharp edge part is arranged, its sharp edge part can produce concentrated stress, causes the damaged of pole axle or influences the shape of screw ditch or problem such as precision.
Summary of the invention
The object of the present invention is to provide a kind ofly can not form the part that stress is concentrated for goods in the mill, and the damaged of pole axle can not take place or influence the shape of screw ditch or the commentaries on classics of precision is made gear wheel and utilized its commentaries on classics to make the manufacture method of screw shaft.
Gear wheel is made in a kind of commentaries on classics, it is characterized in that: this commentaries on classics is made the gear wheel wheel face and is had tapered helical form sawtooth lead angle, the section shape that this helical form sawtooth lead angle cuts with right angle orientation is the semicircle shape sawtooth with radius R, and this semicircle shape sawtooth and this commentaries on classics are made, and the arc with radius r joins between the gear wheel wheel face; From the axial section shape, this commentaries on classics is made the gear wheel wheel face and is had: make the hinge that the gear wheel central axis is the twisting angle of θ 1 with commentaries on classics; Make the parallel parallel lines portion of gear wheel central axis with commentaries on classics, and make the part of leaving of leaving angle that the gear wheel central axis is θ 2 with commentaries on classics.
Gear wheel is made in a kind of commentaries on classics, and it is further characterized in that: the helical form sawtooth lead angle two ends that this is tapered, distinctly comprise in addition the face of leaving, and this leaves face and this commentaries on classics and makes the gear wheel central axis and have a tiltangle 3.
A kind ofly utilize above-mentioned commentaries on classics to make gear wheel, change the manufacture method of making screw shaft, it is characterized in that: change when making screw shaft, a pole is inserted to change between the hinge that a pair of described commentaries on classics makes gear wheel make.
A kind ofly utilize above-mentioned commentaries on classics to make gear wheel, change the manufacture method of making screw shaft, it is further characterized in that: the diameter of axle of this pole is less than 20mm, and this pole diameter of axle is below 4 times of this semicircle shape sawtooth radius R.
Beneficial effect of the present invention is: the hinge end at helical form sawtooth two ends is the fillet shape with the sharp edge of leaving the portion end, leaves the outer part formation fillet shape of face, make can not form the part that stress is concentrated for goods in the mill, and the damaged of pole axle can not take place or influence the shape or the precision of screw ditch.
Brief description of drawings
Fig. 1 makes the formation key diagram of gear wheel for the commentaries on classics of embodiment one.
Fig. 2 makes the formation key diagram of gear wheel for the commentaries on classics of embodiment two.
Fig. 3 is the enlarged drawing of the A-A section of Fig. 1 and Fig. 2.
Fig. 4 makes the sectility schematic diagram of gear wheel and pole commentaries on classics when making screw shaft for commentaries on classics of the present invention.
Fig. 5 is for making the schematic diagram of screw shaft in the commentaries on classics of pole end face design rake, made.
[primary clustering symbol description]
3 helical form sawtooth, 4 hinges
Portion is left by 5 parallel lines portions 6
7 poles 8 change makes screw shaft
9 leave face
The specific embodiment
Below be with different embodiment the present invention to be described, described composition, arrangement and step etc. in order to the content that explanation is implemented, only be illustration but not in order to limit the present invention.Use in the disclosed content in addition, " and/or " be for briefly; " covering " or " on " narration, then can comprise this directly contact and directly do not touch etc. two kinds.
Can understand from foregoing, this commentaries on classics is made gear wheel from the axial section shape, this commentaries on classics is made gear wheel and is had frustum of a cone portion, columnar portion, the frustum of a cone portion that connects central part, and its wheel face has and changes the hinge making the gear wheel central axis and then be the twisting angle of θ 1, makes the parallel parallel lines portion of gear wheel central axis and make the part of leaving of leaving angle that the gear wheel central axis is θ 2 with commentaries on classics with commentaries on classics.
This commentaries on classics is made gear wheel as shown in Figure 1 and Figure 2, twisting angle θ 1 be generally 3 °～15 ° more suitable, it also is passable leaving angle θ 2 and θ 1 identical, but with 5 °～15 ° more suitable, do not have other data in the tilt angle theta 3 at helical form sawtooth both ends and can help mutually, through the result of test time and again, 45 °～60 ° is relatively more suitable, in addition, sometimes, preferably sharp edge partly is made for round shape.
The present invention changes the manufacture method of making screw shaft, makes for a pair of commentaries on classics that utilizes above-mentioned gear wheel wheel face to have tapered helical form sawtooth lead angle and inserts pole between the gear wheel, and this pole peripheral surface is by continuous screw groove.The axle external diameter of this pole is below the 20mm, and this pole diameter of axle is below 4 times of this semicircle shape sawtooth radius R.
Notion in this thin footpath of inventor general is set at the axle below the φ 20mm, zanjon is the orthogonal cross-section shape of changeing the helical form sawtooth lead angle of making gear wheel with respect to being located at the connection in thin footpath, be needed on the zanjon R of axle with the semicircle shape of its radius R, its external diameter be radius R below 4 times the time, be called zanjon to axle.For example radius R is the groove of the round bottom of 2.5mm, and when being shaped for the axle of φ below 10, definition is called zanjon.
Even tilt angle theta 3 be 90 ° also passable, but sharp edge portion is necessary for round shape.The both ends of making the gear wheel surface in commentaries on classics also are safe faces, and it is more suitable therefore to be the fillet shape.The total length that gear wheel is made in the commentaries on classics of Fig. 2 is L, the length of hinge is a, the length of parallel portion is b, the length of leaving portion is c, make the total length of gear wheel with respect to commentaries on classics, the shared ratio a/L of hinge a is 20～40% more suitable, make the total length L of gear wheel with respect to commentaries on classics, the shared ratio b/L of parallel portion b is 30～40% more suitable, make the total length L of gear wheel with respect to commentaries on classics, it is more suitable below 20% leaving the shared ratio c/L of the c of portion, if L 100% o'clock in general, a: b: c be 40%: 40%: 20% more suitable.Change the face of making between gear wheel surface and the helical form sawtooth, the numerical value of its radius r, with respect to the ditch depth of radius R, the change that can do to suit.
The screw shaft manufacturing of attached thin footpath of the present invention zanjon is made the helical form sawtooth lead angle of gear wheel as shown in Figure 3 with changeing, the sawtooth section shape of cutting open with the right angle is the semicircle shape of radius R, can get the depth capacity groove to its ditch width of cloth, in addition because be semicircle shape, so groove has all effects that all forms with impartial strength, obtain face with radius r between gear wheel surface and the semicircle shape sawtooth, when the screw ditch is transferred when commentaries on classics is made originally, the ditch end face can produce acute angle portion, can not take place, the processing of therefore removing acute angle part does not need yet yet.In the hinge end at helical form sawtooth two ends and the acute angle portion that leaves the portion end all because be the fillet shape, so can successfully pressurize beginning to process the end for the pole that rake is arranged, therefore can not produce sur-face peeling, and in helical form sawtooth both ends, form the face that respectively leaves with tilt angle theta 3, when if this outer part that leaves face forms round edge, then begin to process end easier entering just when initial contact, the sharp edge of sur-face peeling or ditch end can not take place yet, do not need once to reduce pressure in the completion of processing end yet, can reduce pressure interimly, prevent crooked generation, in addition, to section shape, the helical form sawtooth of surface configuration is deepened to enter with θ 1 twisting angle to pole in regular turn from long, amount of plastic deformation also increases in regular turn, so can not produce fierce load change, so the maintenance energy of pole can stabilize also, even the axle of high-precision groove and high out of roundness also can be produced in thin footpath.
The embodiment of the invention is described in Figure, Fig. 1 makes the formation key diagram of gear wheel for the commentaries on classics of embodiment one, Fig. 2 makes the formation key diagram of gear wheel for the commentaries on classics of embodiment 2, Fig. 3 is 2 a structure key diagram in the A-A profile of Fig. 1, Fig. 2, Fig. 4 makes screw section connection figure for the present invention changes the commentaries on classics of making gear wheel and pole, and Fig. 5 makes screw shaft for the commentaries on classics of the rake at pole two ends and makes key diagram.
At first, the formation of using gear wheel is made in the commentaries on classics that embodiment one is described, embodiment one as shown in Figure 1 as, make this gear wheel surface 2 of gear wheel 1 in commentaries on classics, the section shape of the A-A profile that 40 ° of helical form sawtooth 3 lead angles that form taper are cut open with the right angle as shown in Figure 3 as, the semicircle shape that is radius R=2.5mm, change to make between gear wheel surface 2 and the conical tooth 3 and obtain face with radius r=0.7mm, from growing to section shape, in the surface configuration of Fig. 1 with change the hinge 4 that the central axis of making gear wheel 1 is θ 1=3 ° of twisting angle, and be the parallel lines portion 5 of parallel portion with the central axis that gear wheel 1 is made in commentaries on classics, also having the central axis of making gear wheel 1 with commentaries on classics to be the θ 2=5 ° of portion of leaving 6 of leaving the angle constitutes, the hinge end at said spiral shape sawtooth 3 both ends and the acute angle part of leaving the portion end, make it become round edge, to hinge to parallel lines portion to leaving the ratio of portion, gear wheel is made in the commentaries on classics that with respect to total length is 2 screw manufacturing usefulness being constituted at 40%: 40%: 20%, as shown in Figure 4, gear wheel 1 is made in this a pair of commentaries on classics to be installed on and to change the machine of making, main shaft is tilted 1 °, change and make between the gear wheel 1, after inserting external diameter Φ 10mm pole 7, periphery in this pole 7, imposing continuous screw ditch changes and makes, as shown in Figure 5, can make external diameter is Φ 10mm, and the zanjon of the round bottom of radius 2.5mm changes makes screw shaft 8.The both ends of this moment drum face residual sharp edge, continue after the test, this part is not because contact with pole, so problem not, but sharp edge may hurt to point and has an accident, so this part also wishes to be designed to round edge.
The formation of using gear wheel 1 is made in the commentaries on classics that next embodiment 2 is described, embodiment 2 as shown in Figure 2 as, make this gear wheel surface 2 of gear wheel 1 in commentaries on classics, to 40 ° of section shapes of cutting open with the right angle of lead angle of the helical form sawtooth 3 that forms taper as shown in Figure 3 as, the semicircle shape that is radius R=2.5mm, change to make between gear wheel surface 2 and the conical tooth 3 and obtain face with radius r=0.7mm, from growing to section shape, in the surface configuration of Fig. 2 with change the hinge 4 that the central axis of making gear wheel 1 is θ 1=3 ° of twisting angle, and be the parallel lines portion 5 of parallel portion with the central axis that gear wheel 1 is made in commentaries on classics, also having the central axis of making gear wheel 1 with commentaries on classics to be the θ 2=5 ° of portion of leaving 6 of leaving the angle constitutes, both ends at helical form sawtooth 3, make the central axis and the face that respectively leaves 9 that changes the tilt angle theta 3=45 ° of formation of making gear wheel surface 3 of gear wheel 1 with commentaries on classics, this outer part that leaves face 9 also imposes round edge, hinge to parallel lines portion to leaving the ratio of portion, gear wheel 1 is made in the commentaries on classics that with respect to total length is 2 screw manufacturing usefulness being constituted at 40%: 40%: 20%, as shown in Figure 4, gear wheel 1 is made in this a pair of commentaries on classics to be installed on and to change the machine of making, main shaft is tilted 1 °, after commentaries on classics is made and is inserted external diameter Φ 10mm pole 7 between the gear wheel 1, periphery in this pole 7, imposing continuous screw ditch changes and makes, as shown in Figure 5, can make the axle of external diameter Φ 10mm, the zanjon of the round bottom of radius 2.5mm changes makes screw shaft 8.The axle of this embodiment 2 is made comparisons with the axle that embodiment one makes, and acetonideexample 2 has superiority, and according to the purposes difference, the axle of embodiment one also can be general.
Pole 7 is to use again the axle that point is tilted and does not have axle, the rearward end of rake also to make the axle of its inclination and the axle that do not have a rake totally 4 kinds of shape pole axles in addition, and to change the result who makes screw shaft be that two ends have the commentaries on classics of the pole of rake to make to the best to change the manufacture method of making screw shaft and make.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; in the spirit and scope that do not break away from this; can make various changes, modification and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (4)
1. gear wheel is made in a commentaries on classics, it is characterized in that: this commentaries on classics is made the gear wheel wheel face and is had tapered helical form sawtooth lead angle, the section shape that this helical form sawtooth lead angle cuts with right angle orientation is the semicircle shape sawtooth with radius R, and this semicircle shape sawtooth and this commentaries on classics are made, and the arc with radius r joins between the gear wheel wheel face; From the axial section shape, this commentaries on classics is made the gear wheel wheel face and is had:
Make the hinge that the gear wheel central axis is the twisting angle of θ 1 with commentaries on classics;
Make the parallel parallel lines portion of gear wheel central axis with commentaries on classics, and
Make the part of leaving of leaving angle that the gear wheel central axis is θ 2 with commentaries on classics.
2. gear wheel is made in commentaries on classics as claimed in claim 1, it is characterized in that: the helical form sawtooth lead angle two ends that this is tapered, distinctly comprise in addition the face of leaving, and this leaves face and this commentaries on classics and makes the gear wheel central axis and have a tiltangle 3.
3. one kind is utilized the described commentaries on classics of claim 1 to make gear wheel, changes the manufacture method make screw shaft, it is characterized in that: change when making screw shaft, a pole is inserted to change between the hinge that a pair of described commentaries on classics makes gear wheel make.
4. the manufacture method of screw shaft is made in commentaries on classics as claimed in claim 3, it is characterized in that: the diameter of axle of this pole is less than 20mm, and this pole diameter of axle is below 4 times of this semicircle shape sawtooth radius R.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007291292 | 2007-10-12 | ||
| JP2007291292A JP5401667B2 (en) | 2007-10-12 | 2007-10-12 | Method for manufacturing rolled screw shaft |
| JP2007-291292 | 2007-10-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101406923A CN101406923A (en) | 2009-04-15 |
| CN101406923B true CN101406923B (en) | 2011-05-04 |
Family
ID=40570242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101668255A Expired - Fee Related CN101406923B (en) | 2007-10-12 | 2008-09-26 | Rolling die, and method for manufacturing rolling screw shaft with the rolling die |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5401667B2 (en) |
| CN (1) | CN101406923B (en) |
| TW (1) | TW200916222A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5053399B2 (en) * | 2010-02-22 | 2012-10-17 | ユニオンツール株式会社 | Rolling dies |
| CN102233400A (en) * | 2010-04-28 | 2011-11-09 | 洛阳海林机械有限公司 | Adjustable multiple thread screw rolling equipment and process |
| JP5302947B2 (en) * | 2010-11-30 | 2013-10-02 | ユニオンツール株式会社 | Rolling dies |
| JP5925548B2 (en) * | 2011-07-19 | 2016-05-25 | 濱中ナット株式会社 | Method for manufacturing screw rebar |
| TWI595940B (en) * | 2013-12-10 | 2017-08-21 | 全球傳動科技股份有限公司 | Manufacturing method for screw |
| CN107486519A (en) * | 2016-06-12 | 2017-12-19 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of short ending cylindrical die roll |
| CN110695272A (en) * | 2019-10-11 | 2020-01-17 | 江苏森林建筑新材料股份有限公司 | Thread rolling wheel suitable for concrete reinforcing steel bar |
| DE102020103151A1 (en) * | 2020-02-07 | 2021-08-12 | Profiroll Technologies Gmbh | Rolling tool and method for rolling a profile |
| JP7266062B2 (en) | 2021-05-13 | 2023-04-27 | ユニオンツール株式会社 | rolling dies |
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| US6708544B2 (en) * | 2001-02-16 | 2004-03-23 | Nsk Ltd. | Thread rolling die and process for the production thereof |
| CN1621638A (en) * | 2003-11-25 | 2005-06-01 | 森提苏克·普鲁克萨瓦斯蒂 | Threaded deformed bar and method for making the bar |
| CN1764510A (en) * | 2003-03-24 | 2006-04-26 | 株式会社产学连携机构九州 | Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt |
| US7040131B2 (en) * | 2001-08-07 | 2006-05-09 | Escofier Technologies (Sas) | Cold forming tool, machine and method |
| CN1923401A (en) * | 2005-08-29 | 2007-03-07 | 徐根林 | Screw-thread ending and dome round-bottom tooth profile thread rolling wheel, thread-rolling die |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09133195A (en) * | 1995-11-02 | 1997-05-20 | Ntn Corp | Ball screw and manufacture thereof |
| JP4051139B2 (en) * | 1998-08-05 | 2008-02-20 | 株式会社ツバキ・ナカシマ | Method for manufacturing rolled ball screw |
| JP3886683B2 (en) * | 1999-10-25 | 2007-02-28 | Ｎｔｎ株式会社 | Hollow ball screw shaft and manufacturing method thereof |
| JP2001300675A (en) * | 2000-02-18 | 2001-10-30 | Nsk Ltd | Screw form rolling die, and manufacturing method thereof |
| JP2004001103A (en) * | 2002-04-05 | 2004-01-08 | Yamawa Seisakusho:Kk | Thread forming tap |
| JP2004066272A (en) * | 2002-08-02 | 2004-03-04 | Nsk Ltd | Ball screw form rolling die |
| JP4367833B2 (en) * | 2003-09-03 | 2009-11-18 | Ｎｔｎ株式会社 | Screw shaft of ball screw and manufacturing method thereof |
| JP2006342900A (en) * | 2005-06-09 | 2006-12-21 | Nsk Ltd | Ball screw device and rolled dies |
-
2007
- 2007-10-12 JP JP2007291292A patent/JP5401667B2/en active Active
-
2008
- 2008-09-18 TW TW97135764A patent/TW200916222A/en not_active IP Right Cessation
- 2008-09-26 CN CN2008101668255A patent/CN101406923B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6708544B2 (en) * | 2001-02-16 | 2004-03-23 | Nsk Ltd. | Thread rolling die and process for the production thereof |
| US7040131B2 (en) * | 2001-08-07 | 2006-05-09 | Escofier Technologies (Sas) | Cold forming tool, machine and method |
| CN1764510A (en) * | 2003-03-24 | 2006-04-26 | 株式会社产学连携机构九州 | Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt |
| CN1621638A (en) * | 2003-11-25 | 2005-06-01 | 森提苏克·普鲁克萨瓦斯蒂 | Threaded deformed bar and method for making the bar |
| CN1923401A (en) * | 2005-08-29 | 2007-03-07 | 徐根林 | Screw-thread ending and dome round-bottom tooth profile thread rolling wheel, thread-rolling die |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5401667B2 (en) | 2014-01-29 |
| TWI365783B (en) | 2012-06-11 |
| JP2009095883A (en) | 2009-05-07 |
| TW200916222A (en) | 2009-04-16 |
| CN101406923A (en) | 2009-04-15 |
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