CN102001470B - Bag making lower mould for production line of big transfusion soft bag - Google Patents
Bag making lower mould for production line of big transfusion soft bag Download PDFInfo
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- CN102001470B CN102001470B CN2010102412686A CN201010241268A CN102001470B CN 102001470 B CN102001470 B CN 102001470B CN 2010102412686 A CN2010102412686 A CN 2010102412686A CN 201010241268 A CN201010241268 A CN 201010241268A CN 102001470 B CN102001470 B CN 102001470B
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- lower bolster
- bed die
- bearing plate
- stay bearing
- bag
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Abstract
The invention discloses a bag making lower mould for a production line of a big transfusion soft bag, comprising a lower template; the lower part of the lower template is provided with a support plate; the lower template is installed on the support plate in lifting manner; an elastically tensioned telescopic membrane sheet is installed between the lower template and the support plate; the lower template, the support plate and the telescopic membrane sheet are circled to form a closed hollow cavity communicated with the air source. The bag making lower mould for a production line of a big transfusion soft bag has the advantages of simple and compact structure, low cost and good self-adaptivity; and the bag making lower mould is not required to adjust.
Description
Technical field
The present invention relates to pharmacy and food packing machine field, relates in particular to large-volume infusion soft bag production lines and uses the bag bed die.
Background technology
In large-volume infusion soft bag production lines, the bag type is formed by mold and the compacting of bed die matched moulds hot melt.In existing bag technology, the mould that generally uses has two kinds of structures: a kind of static as bed die, and the mold motion; The film material is pushed down into bed die in the motion of mold during matched moulds, needs external force to make the film material break away from bed die after the bag forming, could the bag of moulding be transported afterwards; Therefore; The film material need experience in bed die moulding and from bed die, break away from these two control positioies, and this makes the complete machine connecting gear extremely complicated, and bag efficient is lower; Another kind is that the film material is motionless in the bag process, and mold moves downward, and bed die is upward movement simultaneously; Can directly the bag of moulding be transported after the bag forming; This makes that the complete machine connecting gear obtains simplifying, but mold and bed die need a cover gas-liquid power-increasing cylinder to drive respectively, cause device driver complicated; And equipment cost is higher, inconvenient debugging.
Summary of the invention
The technical matters that the present invention will solve is the deficiency that overcomes prior art, provide a kind of simple and compact for structure, with low cost, adaptivity is good, large-volume infusion soft bag production lines that need not regulate is used the bag bed die.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of large-volume infusion soft bag production lines is used the bag bed die; Comprise lower bolster; Said lower bolster below is provided with stay bearing plate; Said lower bolster liftably is arranged on the said stay bearing plate, but is provided with the flexible diaphragm of elastic telescopic between lower bolster and the stay bearing plate, and said lower bolster, stay bearing plate and flexible diaphragm surround the closed cavity that is communicated with source of the gas.
Offer the air flue that is communicated with said closed cavity and source of the gas on the said stay bearing plate.
Said flexible diaphragm comprises first connecting portion, scalable pressure section and second connecting portion that links to each other successively; Said first connecting portion is fixedly connected on the stay bearing plate; Said second connecting portion is fixedly connected on the lower bolster; Said lower bolster bottom is provided with the diaphragm rib, and the diaphragm rib of said scalable pressure section and said lower bolster offsets.
Said diaphragm rib and scalable pressure section are downward-sloping gradually from the inside to the outside, and between scalable pressure section and stay bearing plate, leave the space of being convenient to scalable pressure section elastic telescopic.
Said first connecting portion is connected with stay bearing plate through the diaphragm outer plate and seals, and said second connecting portion is connected with lower bolster through the diaphragm clip plate and seals.
Offer guide groove on the said lower bolster lateral surface, said diaphragm outer plate is provided with registration mast, and said registration mast upper end is provided with positioning salience, and said positioning salience is slidedly arranged in the guide groove.
Be provided with the boss that stretches out and form in said positioning salience below in the said guide groove, said positioning salience cooperates the end position that is used to limit the lower bolster upward movement with boss.
The position that said stay bearing plate is used to surround closed cavity is provided with the support rim more than.
Compared with prior art, the invention has the advantages that:
Large-volume infusion soft bag production lines of the present invention is used the bag bed die, and is simple and compact for structure, only can realize lower bolster action, with low cost through in closed cavity, feeding pressurized air; Moreover, utilized the compressibility of air to make that the adaptivity of bed die own is good, do not need bed die is regulated, easy to use.The lower bolster bottom is provided with the diaphragm rib, and the diaphragm rib of scalable pressure section and lower bolster offsets, and avoids flexible diaphragm flexible to all around arbitrarily because of influenced by closed cavity external and internal pressure difference.In the bed die of the present invention; Closed cavity is equivalent to air cavity in the cylinder; And lower bolster is equivalent to cylinder piston; The suffered application force of lower bolster equals the product of closed cavity inner air pressure and the effective area of thrust surface of bed die, because whole bed die lower surface major part is in effective strained condition, thereby has improved the application force of mould greatly.The position that stay bearing plate is used to surround closed cavity is provided with the support rim more than, when lower bolster descends, limits its position, end and supports bed die, reduces the volume of closed cavity simultaneously, accelerates the kinematic velocity of bed die.
Description of drawings
Fig. 1 is the main TV structure scheme drawing of the embodiment of the invention;
Fig. 2 is the left structural representation view of the embodiment of the invention;
Fig. 3 is the main TV structure scheme drawing of flexible diaphragm in the embodiment of the invention;
Fig. 4 is the plan structure scheme drawing of flexible diaphragm in the embodiment of the invention.
Each label is represented among the figure:
1, mold fixed plate; 2, wallboard; 3, stay bearing plate; 4, diaphragm outer plate; 5, flexible diaphragm; 6, diaphragm clip plate; 7, lower bolster; 8, closed cavity; 9, space; 31, air flue; 32, support rim; 41, registration mast; 42, positioning salience; 51, first connecting portion; 53, scalable pressure section; 55, second connecting portion; 71, guide groove; 73, boss; 75, diaphragm rib.
The specific embodiment
Below will combine specific embodiment and Figure of description that the present invention is explained further details.
Fig. 1 to Fig. 4 shows a kind of large-volume infusion soft bag production lines of the present invention and uses the bag bed die, and this bed die comprises lower bolster 7, and lower bolster 7 belows are provided with stay bearing plate 3; Lower bolster 7 liftably is arranged on the stay bearing plate 3; Be provided with flexible diaphragm 5 between lower bolster 7 and the stay bearing plate 3, flexible diaphragm 5 is the flexible material making, can produce elastic deformation after stressed; Make that bed die can up-and-down movement; And should flexible diaphragm 5 in the form of a ring, 7 formation are tightly connected the periphery of its inner ring and outer ring with lower bolster with stay bearing plate 3 respectively, lower bolster 7, stay bearing plate 3 and flexible diaphragm 5 surround the closed cavity 8 that is communicated with source of the gas.Large-volume infusion soft bag production lines of the present invention is used the bag bed die, and is simple and compact for structure, only can realize the driving to lower bolster 7 through in closed cavity 8, feeding pressurized air, with low cost; Moreover, utilized the compressibility of air to make that the adaptivity of bed die own is good, do not need bed die is regulated, easy to use.
In the present embodiment, stay bearing plate 3 is fixed on the wallboard 2 through mold fixed plate 1, offers the air flue 31 that is communicated with closed cavity 8 and source of the gas on the stay bearing plate 3, lower bolster 7 upward movements during air inlet, and lower bolster 7 moves downward under the effect of self gravitation when giving vent to anger.Flexible diaphragm 5 comprises first connecting portion 51, scalable pressure section 53 and second connecting portion 55 that links to each other successively; First connecting portion 51 is connected with stay bearing plate 3 through diaphragm outer plate 4 and seals; Second connecting portion 55 is connected with lower bolster 7 through diaphragm clip plate 6 and seals, and guarantees to form positiver sealing between flexible diaphragm 5 and lower bolster 7, the stay bearing plate 3.Lower bolster 7 bottoms are provided with diaphragm rib 75, and scalable pressure section 53 offsets with the diaphragm rib 75 of lower bolster 7, avoid flexible diaphragm 5 flexible to all around arbitrarily because of influenced by closed cavity 8 external and internal pressure differences.Diaphragm rib 75 is downward-sloping gradually from the inside to the outside with scalable pressure section 53, and between scalable pressure section 53 and stay bearing plate 3, leaves the space 9 of being convenient to scalable pressure section 53 elastic telescopics, and 5 distortion of conveniently telescopic diaphragm are so that lower bolster 7 up-downs are more smooth and easy.In the bed die of the present invention; Closed cavity 8 is equivalent to air cavity in the cylinder; And lower bolster 7 is equivalent to cylinder piston; Lower bolster 7 suffered application forces equal the product of closed cavity 8 inner air pressures and the effective area of thrust surface of bed die, because whole bed die lower surface major part is in effective strained condition, thereby have improved the application force of mould greatly.Offer guide groove 71 on lower bolster 7 lateral surfaces, diaphragm outer plate 4 is provided with registration mast 41, and registration mast 41 upper ends are provided with positioning salience 42, and positioning salience 42 is slidedly arranged in the guide groove 71, and positioning salience 42 can limit lower bolster 7 and all around move.Be provided with the boss 73 that stretches out and form in positioning salience 42 belows in the guide groove 71, positioning salience 42 cooperates the end position that is used to limit lower bolster 7 upward movements with boss 73, crosses motion and the flexible diaphragm 5 of damage to prevent lower bolster 7.The position that stay bearing plate 3 is used to surround closed cavity 8 is provided with the support rim 32 more than; Be provided with three support rims 32 in the present embodiment; When lower bolster 7 descends, limit its position, end and support bed die, reduce the volume of closed cavity 8 simultaneously, accelerate the kinematic velocity of bed die.
In closed cavity 8, feed pressurized air through air flue 31 when large-volume infusion soft bag production lines of the present invention is worked with the bag bed die, closed cavity 8 internal pressures increase, lower bolster 7 upward movements; Bed die will cooperate the bag process of accomplishing with mold; Through air flue 31 exhausts, closed cavity 8 internal pressures subtract down then, and lower bolster 7 moves downward under the deadweight effect; Get back to initial position, get into next working cycle.This work desired compression airline and pressurized air break-make control technology are existing mature technology.
The above only is a preferred implementation of the present invention; Protection scope of the present invention also not only is confined to the foregoing description; Such as also improving and the fixed form of flexible diaphragm 5 is improved the self structure of flexible diaphragm 5, this type of technical scheme that belongs under the thinking of the present invention all belongs to protection scope of the present invention.Should propose; For those skilled in the art,, for example set up a cleading in the lower end of lower bolster 7 in the improvement and the retouching that do not break away under the principle of the invention prerequisite; To reduce scattering and disappearing of lower bolster 7 heats, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. a large-volume infusion soft bag production lines is used the bag bed die; Comprise lower bolster (7); It is characterized in that: said lower bolster (7) below is provided with stay bearing plate (3); Said lower bolster (7) liftably is arranged on the said stay bearing plate (3), lower bolster (7) and stay bearing plate (3) but between be provided with the flexible diaphragm (5) of elastic telescopic, said lower bolster (7), stay bearing plate (3) and flexible diaphragm (5) surround the closed cavity (8) that is communicated with source of the gas.
2. large-volume infusion soft bag production lines according to claim 1 is used the bag bed die, it is characterized in that: offer the air flue (31) that is communicated with said closed cavity (8) and source of the gas on the said stay bearing plate (3).
3. large-volume infusion soft bag production lines according to claim 1 and 2 is used the bag bed die; It is characterized in that: said flexible diaphragm (5) comprises first connecting portion (51), scalable pressure section (53) and second connecting portion (55) that links to each other successively; Said first connecting portion (51) is fixedly connected on the stay bearing plate (3); Said second connecting portion (55) is fixedly connected on the lower bolster (7); Said lower bolster (7) bottom is provided with diaphragm rib (75), and said scalable pressure section (53) offsets with the diaphragm rib (75) of said lower bolster (7).
4. large-volume infusion soft bag production lines according to claim 3 is used the bag bed die; It is characterized in that: said diaphragm rib (75) and scalable pressure section (53) are downward-sloping gradually from the inside to the outside, and between scalable pressure section (53) and stay bearing plate (3), leave the space (9) of being convenient to scalable pressure section (53) elastic telescopic.
5. large-volume infusion soft bag production lines according to claim 4 is used the bag bed die; It is characterized in that: said first connecting portion (51) is connected with stay bearing plate (3) through diaphragm outer plate (4) and seals, and said second connecting portion (55) is connected with lower bolster (7) through diaphragm clip plate (6) and seals.
6. large-volume infusion soft bag production lines according to claim 5 is used the bag bed die; It is characterized in that: offer guide groove (71) on said lower bolster (7) lateral surface; Said diaphragm outer plate (4) is provided with registration mast (41); Said registration mast (41) upper end is provided with positioning salience (42), and said positioning salience (42) is slidedly arranged in the guide groove (71).
7. large-volume infusion soft bag production lines according to claim 6 is used the bag bed die; It is characterized in that: be provided with the boss (73) that stretches out and form in said positioning salience (42) below in the said guide groove (71), said positioning salience (42) cooperates the end position that is used to limit lower bolster (7) upward movement with boss (73).
8. large-volume infusion soft bag production lines as claimed in claim 7 is used the bag bed die, it is characterized in that: the position that said stay bearing plate (3) is used to surround closed cavity (8) is provided with the support rim (32) more than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102412686A CN102001470B (en) | 2010-07-30 | 2010-07-30 | Bag making lower mould for production line of big transfusion soft bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102412686A CN102001470B (en) | 2010-07-30 | 2010-07-30 | Bag making lower mould for production line of big transfusion soft bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102001470A CN102001470A (en) | 2011-04-06 |
| CN102001470B true CN102001470B (en) | 2012-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102412686A Active CN102001470B (en) | 2010-07-30 | 2010-07-30 | Bag making lower mould for production line of big transfusion soft bag |
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| Country | Link |
|---|---|
| CN (1) | CN102001470B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028042A (en) * | 1973-08-14 | 1977-06-07 | Dunlop Limited | Moulding apparatus |
| CN2124702U (en) * | 1992-06-09 | 1992-12-16 | 王杰伟 | Packing ball-shaped shell and heat sealing die set for chinese drugs pill |
| EP0629487A1 (en) * | 1993-06-04 | 1994-12-21 | Battenfeld GmbH | Method and apparatus for making laminated plastic articles |
| JP2002046136A (en) * | 2000-08-03 | 2002-02-12 | Placo Co Ltd | Heat molding method and its apparatus |
| CN201721648U (en) * | 2010-07-30 | 2011-01-26 | 长沙楚天科技有限公司 | Bagmaking lower mould used in large infusion soft bag production line |
-
2010
- 2010-07-30 CN CN2010102412686A patent/CN102001470B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028042A (en) * | 1973-08-14 | 1977-06-07 | Dunlop Limited | Moulding apparatus |
| CN2124702U (en) * | 1992-06-09 | 1992-12-16 | 王杰伟 | Packing ball-shaped shell and heat sealing die set for chinese drugs pill |
| EP0629487A1 (en) * | 1993-06-04 | 1994-12-21 | Battenfeld GmbH | Method and apparatus for making laminated plastic articles |
| JP2002046136A (en) * | 2000-08-03 | 2002-02-12 | Placo Co Ltd | Heat molding method and its apparatus |
| CN201721648U (en) * | 2010-07-30 | 2011-01-26 | 长沙楚天科技有限公司 | Bagmaking lower mould used in large infusion soft bag production line |
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| Publication number | Publication date |
|---|---|
| CN102001470A (en) | 2011-04-06 |
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