CN105081056B - A kind of metal tin cover punching and shearing die and its application method - Google Patents
A kind of metal tin cover punching and shearing die and its application method Download PDFInfo
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- CN105081056B CN105081056B CN201510616381.0A CN201510616381A CN105081056B CN 105081056 B CN105081056 B CN 105081056B CN 201510616381 A CN201510616381 A CN 201510616381A CN 105081056 B CN105081056 B CN 105081056B
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- knife
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Abstract
The invention discloses a kind of metal tin cover punching and shearing die and its application method, it includes top mold frame and lower mold holder；Cylindrical cavity is set in top mold frame, cavity top is provided with a blow vent, and passage external air pump A sets piston in cavity, piston lower section is fixed with upper ejector pin；Top mold frame lower section is fixed with upper bolster, and upper mold core is fixed with upper bolster, and gas circuit, external air pump B are provided with upper bolster and upper mold core；Upper mold core outside is arranged with mould circle；Mould circle outside is arranged with upper slitter mouthful, and upper edge of a knife upper end is connected with activity through the lower end of the upper ejector pin of upper bolster；Upper edge of a knife outside is provided with binder ring；Die shoe is fixed with lower mold holder, lower mold core is fixed with die shoe, lower mold core outside is arranged with de- feed ring, and de- feed ring bottom is connected with the lower push rod one end through die shoe；De- feed ring outside is arranged with holding pad, and holding pad outside is arranged with the lower edge of a knife, and the lower edge of a knife is fixedly connected with die shoe.Punching stabilization of the present invention, and the full-automatic demoulding can be realized.
Description
Technical field
The present invention relates to a kind of cover mould and its application method, especially a kind of metal tin cover punching and shearing die and its use
Method.
Background technology
The dynamic punching of the general top modular belt of current cover punching and shearing die, the dynamics of bad control punching, so punching is unstable
It is fixed.De- material is general using artificial de- material, troublesome poeration, waste of manpower.
The content of the invention
In order to solve deficiency of the prior art, it is an object of the invention to provide a kind of punching stabilization, full-automatic de- material
Metal tin cover punching and shearing die and its application method.
To achieve the above object, the present invention uses following technical scheme：
A kind of metal tin cover punching and shearing die, including top mold frame and lower mold holder；Cylindrical cavity, cavity are set in the top mold frame
Top is provided with a blow vent, and passage external air pump A is fixed in cavity to set cylinder sleeve, and the piston for matching, piston are set in cylinder sleeve
Top forms air chamber, and piston lower section is fixed with upper ejector pin；Top mold frame lower section is fixed with upper bolster, is fixed with upper bolster
Gas circuit, external air pump B are provided with upper mold core, upper bolster and upper mold core；Upper mold core outside is arranged with mould circle；On upper mold core outer surface
There is raised collar side, and mould circle respective protrusions collar has recessed draw-in groove, and the raised collar of upper mold core and the recessed draw-in groove of mould circle are interlocked；Mould
Circle outside is arranged with upper slitter mouthful, and the edge of a knife end face of the upper edge of a knife is in level, the upper ejector pin of upper edge of a knife upper end and activity through upper bolster
Lower end be connected, the upper edge of a knife is fixed on tool rest, and tool rest is connected by guide pillar with upper bolster；Upper edge of a knife outside is provided with binder ring,
Binder ring is connected with the guide post one end through upper bolster, and the guide post other end is resisted against one end of the small axle B in top mold frame, small
Axle B lower ends set return spring；Die shoe is fixed with the lower mold holder, lower mold core is fixed with die shoe, lower mold core and
Gap is left in the middle of die shoe, lower mold core outside is arranged with de- feed ring, takes off feed ring bottom and the lower push rod one end through die shoe
It is connected, the lower push rod other end is resisted against one end of the small axle A in lower mold holder, and small axle A lower ends set return spring；De- feed ring outer sheath
Holding pad is provided with, holding pad outside is arranged with the lower edge of a knife, and the edge of a knife of the lower edge of a knife is pointed, and the lower edge of a knife is fixedly connected with die shoe,
Lower edge of a knife outer surface lower section sets recessed draw-in groove, and the recessed draw-in groove of holding pad correspondence sets raised collar, the recessed draw-in groove of the lower edge of a knife and holding pad
Raised collar is interlocked.
The binder ring is located at the surface of the lower edge of a knife, and binder ring extrudes tinplate with the cooperation of the lower edge of a knife.
The air pump A accesses the pressure of 0.6Mpa, and piston promotes upper ejector pin, upper ejector pin to drive the upper edge of a knife, upper edge of a knife outside
The edge of a knife of face and the lower edge of a knife coordinates punching blanking.
The air pump A pressure switches to 0.3Mpa, the upper edge of a knife and holding pad to coordinate Work-sheet pressing, institute by 0.6Mpa
State and negative pressure is accessed in air pump B, upper mold core fixes absorption of workpieces.
The de- feed ring be located at mould circle immediately below, lower mold core be located at upper mold core immediately below, take off feed ring, mould circle, lower mold core, on
Core rod coordinates workpiece punch forming.
The upper bolster absorption workpiece is up, and the air pump B accesses malleation, and workpiece comes off from upper mould.
Blow-out nozzle is provided between upper die and lower die, the workpiece that will come off is blowed away from mould.
A kind of application method of metal tin cover punching and shearing die, the application method is comprised the following steps：
（1）Binder：Upper mould is descending, drives binder ring to coordinate with the lower edge of a knife and extrudes tinplate；
（2）Punching blanking：Air pump A accesses the pressure of 0.6Mpa, and piston promotes upper ejector pin, upper ejector pin to drive the upper edge of a knife, on
The edge of a knife of edge of a knife lateral surface and the lower edge of a knife coordinates punching blanking；
（3）Binder again：Air pump A pressure switches to 0.3Mpa, the upper edge of a knife and holding pad to coordinate Work-sheet pressing by 0.6Mpa,
Air pump B accesses negative pressure, and upper mold core fixes absorption of workpieces；
（4）Punch forming：Upper mould is continued traveling downwardly, and is taken off feed ring, mould circle, lower mold core, upper mold core and is coordinated workpiece punch forming；
（5）The demoulding：Upper bolster absorption workpiece is up, and air pump B accesses malleation, and workpiece comes off from upper mould, and blow-out nozzle will
The workpiece that comes off is blowed away from mould.
The present invention uses above technical scheme, has the advantages that：（1）The punching with the edge of a knife in pneumatic actuation,
Punching dynamics stabilization；（2）Blanking is punched with the edge of a knife of upper edge of a knife lateral surface and the lower edge of a knife so that flash upward, strikes out
After type, flash is inside；（3）With air pump B and blow-out nozzle, the full-automatic demoulding is realized.
Brief description of the drawings
The present invention is described in further details below in conjunction with the drawings and specific embodiments：
Fig. 1 is the generalized section of cover punching and shearing die of the present invention.
Specific embodiment
As shown in figure 1, the present invention includes top mold frame 10 and lower mold holder 1；Cylindrical cavity 31 is set in the top mold frame 10, it is empty
The top of chamber 31 is provided with a blow vent 30, and the external air pump A of passage 30 is fixed in cavity 31 and set cylinder sleeve 22, and phase is set in cylinder sleeve 22
Supporting piston 23, the top of piston 23 forms air chamber, and the lower section of piston 23 is fixed with upper ejector pin 21；The fixation of the lower section of top mold frame 10 sets
There is upper bolster 11, upper mold core 12 is fixed with upper bolster 11, gas circuit 40, external air pump are provided with upper bolster 11 and upper mold core 12
B；The outside of upper mold core 12 is arranged with mould circle 13；There is raised collar the outer surface of upper mold core 12 top, and the respective protrusions collar of mould circle 13 has
Recessed draw-in groove, the raised collar of upper mold core 12 and the recessed draw-in groove of mould circle 13 are interlocked；The outside of mould circle 13 is arranged with upper slitter mouthful 14, upper slitter
The edge of a knife end face of mouth 14 is in level, and the upper end of the upper edge of a knife 14 is connected with activity through the lower end of the upper ejector pin 21 of upper bolster 11, upper slitter
Mouth 14 is fixed on tool rest 15, and tool rest 15 is connected by guide pillar 18 with upper bolster 11；The outside of the upper edge of a knife 14 is provided with binder ring 16, presses
Material ring 16 is connected with the one end of guide post 17 through upper bolster 11, and the other end of guide post 17 is resisted against the small axle in top mold frame 10
One end of B19, small axle B19 lower ends set return spring 20；Die shoe 2 is fixed with the lower mold holder 1, it is fixed on die shoe 2
Lower mold core 6 is provided with, gap is left in the middle of lower mold core 6 and die shoe 2, the outside of lower mold core 6 is arranged with de- feed ring 5, takes off the bottom of feed ring 5
It is connected with the one end of lower push rod 7 through die shoe 2, the other end of lower push rod 7 is resisted against one end of the small axle A8 in lower mold holder 1, small
Axle A8 lower ends set return spring 9；The de- outside of feed ring 5 is arranged with holding pad 4, and the outside of holding pad 4 is arranged with the lower edge of a knife 3, the lower edge of a knife 3
The edge of a knife for pointed, the lower edge of a knife 3 is fixedly connected with die shoe 2, and the lower outer surface of the edge of a knife 3 lower section sets recessed draw-in groove, and the correspondence of holding pad 4 is recessed
Draw-in groove sets raised collar, and the recessed draw-in groove of the lower edge of a knife 3 and the raised collar of holding pad 4 are interlocked.
The binder ring 16 is located at the surface of the lower edge of a knife 3, and binder ring 16 coordinates with the lower edge of a knife 3 and extrudes tinplate.
The air pump A accesses the pressure of 0.6MPa, and air pump A promotes piston 23, piston 23 to drive upper ejector pin 21, upper ejector pin 21
The edge of a knife of the edge of a knife 14 in drive, the lateral surface of the upper edge of a knife 14 and the lower edge of a knife 3 coordinates punching blanking, and the later flash of punching is upward.
The air pump A pressure switches to 0.3Mpa, the upper edge of a knife 14 and holding pad 4 to coordinate workpiece pressure by 0.6Mpa
Tightly, the air pump B accesses negative pressure, and upper mold core 12 fixes absorption of workpieces.
The de- feed ring 5 is located at immediately below mould circle 13, and lower mold core 6 is located at immediately below upper mold core 12, take off feed ring 5, mould circle 13,
Lower mold core 6, upper mold core 12 coordinate workpiece punch forming, and the later flash of shaping is inwardly.
The absorption workpiece of the upper bolster 11 is up, and the air pump B accesses malleation, and workpiece comes off from upper mould.
Blow-out nozzle 50 is provided between upper die and lower die, the workpiece that will come off is blowed away from mould.
The application method of metal tin cover punching and shearing die of the present invention is comprised the following steps：
（1）Binder：Upper mould is descending, drives binder ring 16 to coordinate with the lower edge of a knife 3 and extrudes tinplate；
（2）Punching blanking：Air pump A accesses the pressure of 0.6Mpa, and piston 23 promotes upper ejector pin 21, upper ejector pin 21 to drive upper slitter
The edge of a knife of mouth 14, the lateral surface of the upper edge of a knife 14 and the lower edge of a knife 3 coordinates punching blanking；
（3）Binder again：Air pump A pressure switches to 0.3Mpa, the upper edge of a knife 14 and holding pad 4 to coordinate workpiece pressure by 0.6Mpa
Tightly, air pump B accesses negative pressure, and upper mold core 12 fixes absorption of workpieces；
（4）Punch forming：Upper mould is continued traveling downwardly, and de- feed ring 5, mould circle 13, lower mold core 6, upper mold core 12 coordinate rushes workpiece
It is molded；
（5）The demoulding：The absorption workpiece of upper bolster 11 is up, and air pump B accesses malleation, and workpiece comes off from upper mould, blow-out nozzle
The workpiece that will come off is blowed away from mould.
The present invention is not limited to above-mentioned implementation method, it is all using and same or similar structure of the invention realize the present invention
All modes of purpose, within protection scope of the present invention.
Claims (6)
1. a kind of metal tin cover punching and shearing die, including top mold frame and lower mold holder；It is characterized in that：Cylinder is set in the top mold frame
Cavity, cavity top is provided with a blow vent, and passage external air pump A is fixed in cavity to set cylinder sleeve, sets what is matched in cylinder sleeve
Piston, piston top forms air chamber, and piston lower section is fixed with upper ejector pin；Top mold frame lower section is fixed with upper bolster, upper bolster
On be fixed with upper mold core, gas circuit, external air pump B are provided with upper bolster and upper mold core；Upper mold core outside is arranged with mould circle；Upper mould
There is raised collar core outer surface top, and mould circle respective protrusions collar has recessed draw-in groove, the raised collar of upper mold core and the recessed card of mould circle
Groove is interlocked；Mould circle outside is arranged with upper slitter mouthful, and the edge of a knife end face of the upper edge of a knife is in level, and upper edge of a knife upper end and activity pass through upper mould
The lower end of the upper ejector pin of seat is connected, and the upper edge of a knife is fixed on tool rest, and tool rest is connected by guide pillar with upper bolster；Upper edge of a knife outside sets
There is binder ring, binder ring is connected with the guide post one end through upper bolster, the guide post other end is resisted against the small axle B in top mold frame
One end, small axle B lower ends set return spring；Die shoe is fixed with the lower mold holder, lower mold core is fixed with die shoe,
Leave gap in the middle of lower mold core and die shoe, lower mold core outside is arranged with de- feed ring, take off feed ring bottom and through under die shoe
Push rod one end is connected, and the lower push rod other end is resisted against one end of the small axle A in lower mold holder, and small axle A lower ends set return spring；De- material
Circle outside is arranged with holding pad, and holding pad outside is arranged with the lower edge of a knife, and the edge of a knife of the lower edge of a knife is pointed, and the lower edge of a knife and die shoe are solid
Fixed connection, lower edge of a knife outer surface lower section sets recessed draw-in groove, and the recessed draw-in groove of holding pad correspondence sets raised collar, the recessed draw-in groove and pressure of the lower edge of a knife
The raised collar of feed ring is interlocked；The binder ring is located at the surface of the lower edge of a knife, and binder ring coordinates tinplate with the lower edge of a knife
Extruding；The de- feed ring is located at immediately below mould circle, and lower mold core is located at immediately below upper mold core, takes off feed ring, mould circle, lower mold core, upper mould
Core coordinates workpiece punch forming.
2. a kind of metal tin cover punching and shearing die according to claim 1, it is characterised in that：The air pump A accesses 0.6Mpa
Pressure, piston promotes upper ejector pin, and upper ejector pin drives the upper edge of a knife, and the edge of a knife of upper edge of a knife lateral surface and the lower edge of a knife coordinates punching to fall
Material.
3. a kind of metal tin cover punching and shearing die according to claim 1, it is characterised in that：The air pump A pressure by
0.6Mpa switches to 0.3Mpa, the upper edge of a knife and holding pad to coordinate Work-sheet pressing, and the air pump B accesses negative pressure, upper mold core
Absorption of workpieces is fixed.
4. a kind of metal tin cover punching and shearing die according to claim 1, it is characterised in that：On the upper bolster absorption workpiece
OK, the air pump B accesses malleation, and workpiece comes off from upper mould.
5. a kind of metal tin cover punching and shearing die according to claim 1, it is characterised in that：It is provided between upper die and lower die and is blown
Gas jets, the workpiece that will come off is blowed away from mould.
6. a kind of application method of metal tin cover punching and shearing die, it is characterised in that：The application method is comprised the following steps：
（1）Binder：Upper mould is descending, drives binder ring to coordinate with the lower edge of a knife and extrudes tinplate；
（2）Punching blanking：Air pump A accesses the pressure of 0.6Mpa, and piston promotes upper ejector pin, upper ejector pin to drive the upper edge of a knife, the upper edge of a knife
The edge of a knife of lateral surface and the lower edge of a knife coordinates punching blanking；
（3）Binder again：Air pump A pressure switches to 0.3Mpa, the upper edge of a knife and holding pad to coordinate Work-sheet pressing, air pump by 0.6Mpa
B accesses negative pressure, and upper mold core fixes absorption of workpieces；
（4）Punch forming：Upper mould is continued traveling downwardly, and is taken off feed ring, mould circle, lower mold core, upper mold core and is coordinated workpiece punch forming；
（5）The demoulding：Upper bolster absorption workpiece is up, and air pump B accesses malleation, and workpiece comes off from upper mould, and blow-out nozzle will come off
Workpiece is blowed away from mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616381.0A CN105081056B (en) | 2015-09-24 | 2015-09-24 | A kind of metal tin cover punching and shearing die and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616381.0A CN105081056B (en) | 2015-09-24 | 2015-09-24 | A kind of metal tin cover punching and shearing die and its application method |
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| Publication Number | Publication Date |
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| CN105081056A CN105081056A (en) | 2015-11-25 |
| CN105081056B true CN105081056B (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510616381.0A Expired - Fee Related CN105081056B (en) | 2015-09-24 | 2015-09-24 | A kind of metal tin cover punching and shearing die and its application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421645A (en) * | 2019-08-27 | 2019-11-08 | 上海华谷车业有限公司 | A kind of aluminium foil part shear forming tool structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8141406B2 (en) * | 2008-10-09 | 2012-03-27 | Container Development, Ltd. | Method and apparatus for forming a can shell |
| CN202239262U (en) * | 2011-09-22 | 2012-05-30 | 苏州斯莱克精密设备股份有限公司 | Stamping die for basic lids of easy open lids |
| CN202239263U (en) * | 2011-09-22 | 2012-05-30 | 苏州斯莱克精密设备股份有限公司 | Stamping mold for pressure-resistant pop-top basic lid |
| CN202845535U (en) * | 2012-10-17 | 2013-04-03 | 广东韩江轻工机械有限公司 | Metal can cap punching shear die |
| CN104607540B (en) * | 2014-12-29 | 2017-04-19 | 义乌市易开盖实业公司 | Can cap multi-level composite air pressure reverse mold and forming method |
| CN205032533U (en) * | 2015-09-24 | 2016-02-17 | 福建标新易开盖集团有限公司 | Metal can cap punching shear die |
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- 2015-09-24 CN CN201510616381.0A patent/CN105081056B/en not_active Expired - Fee Related
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| CN105081056A (en) | 2015-11-25 |
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