CN101497098A - Punching mould core set - Google Patents
Punching mould core set Download PDFInfo
- Publication number
- CN101497098A CN101497098A CNA2008100071798A CN200810007179A CN101497098A CN 101497098 A CN101497098 A CN 101497098A CN A2008100071798 A CNA2008100071798 A CN A2008100071798A CN 200810007179 A CN200810007179 A CN 200810007179A CN 101497098 A CN101497098 A CN 101497098A
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- die core
- waste material
- core seat
- spacing
- positive stop
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Abstract
The invention relates to a punching die core group, which comprises an annular die core seat and at least one limit unit arranged in the die core seat. The die core seat can accommodate waste materials which are generated when a screw cap blank is punched downwards by a punch pin, and the annular die core seat enters downwards the inside of the die core seat; and the limit unit can accommodate the waste materials which enter the die core seat, and the punch pin is elastically pushing to be deformed, so that the waste materials pass through an open position; the punch pin which is pulled upwards and elastically reset so as to make the waste materials not separate a place limitation and changes of limit positions in the die core seat. A limit position clip part is elastically pushed outwards or elastically pushed downwards in the radical direction. The structure of the open position and the changes of the limit positions can reduce the wear rate of a member of the punching die core group greatly, and reduce the cost of consumptive materials relatively in the process of producing screw caps.
Description
Technical field
The present invention relates to a kind of die group, be meant a kind of punching mould core group especially.
Background technology
As shown in Figure 1, after general nut blank 11 external form impact forging are finished, must carry out punching to nut blank 11 again handles, so that carry out follow-up tapping operation, and during 11 punchings of nut blank, the 11 coaxial settings of nut blank can be positioned ring-type punching mould core seat 12 end faces, this punching mould core seat 12 has a ring-type base portion 121 that the location is set for nut blank 11, and two spacing protuberances 122 that are based in base portion 121 inner peripheral surfaces up and down in opposite directions with extending, when one is dashed rod 13 and down nut blank 11 is carried out punching, dashed the down waste material 111 of impact extrusion generation of rod 13, can down be pushed in this base portion 121, and by crowded 122 of the spacing protuberances that are limited in, and the spacing protuberance 122 by having less spacing is spacing, prevents the up travelling backwards of waste material 111 that punching produces.
When but above-mentioned die core seat 12 is used, spacing protuberance 122 can be squeezed pushes away waste material 111 extrusion abrasions that pass through, and the spacing that makes spacing protuberance 122 becomes big gradually, make its limit effect worse and worse, so just need change after above-mentioned die core seat 12 is used a period of time, except using, also can increase the manufacturing processing cost of nut than the inconvenience.
Summary of the invention
The objective of the invention is is providing a kind of convenient use and non-damageable punching mould core group.
Punching mould core group of the present invention, can be provided with spacing for a nut stock, and can prevent that this nut blank from being dashed the down up travelling backwards of waste material of punching generation of rod, this punching mould core group comprises a ring-type die core seat, and at least one is arranged at the position-limiting unit in the die core seat.This die core seat can be limited in its end face for the setting of nut blank, and can for this nut blank dashed rod down the waste material that produces of punching with should down enter its inside towards rod.This position-limiting unit comprises a locating part that is arranged in the die core seat, and this position-limiting unit can continue in a quilt and enter waste material and the open position that waste material passed through towards excellent elasticity pushing tow in the die core seat toward bottom offset, and pulls away in one and waste material can't be limited between spacing position in the die core seat change with up breaking away from.
Punching mould core group of the present invention, this die core seat has a ring-type base portion, and the spacing ring portion that is based in base portion inner peripheral surface top is yearned in a footpath interiorly, this locating part have one coaxial be mounted in this base portion and internal diameter greater than the ring-type fixed part of waste material external diameter, and a plurality ofly be based on the fixed part and around this fixed part axle center elasticity positive stop spring plate portion spaced apart, and the aperture that described positive stop spring plate portion inner edge is constituted less than waste material with towards rod outside diameter, when this positive stop spring plate portion is positioned at this open position, this positive stop spring plate portion by down dash radially elasticity pushing tow and open distortion outward outward of rod, when positive stop spring plate portion was positioned at spacing position, this positive stop spring plate portion can directly yearn for interior elastic reset and waste material is limited in the die core seat.
Punching mould core group of the present invention, this base portion has a ring-type plug support segment, and one from filling in the coaxial up projection of support segment and internal diameter becomes big set section from lower to upper gradually, the fixed part of this locating part is that close-fitting abuts against the plug support segment inner peripheral surface that is fixed in base portion, positive stop spring plate portion has one respectively from the up projection and can be by the elastic arm section of elasticity pushing tow bending outward radially of this fixed part end face, reach spacing section that is based in elastic arm section top in the footpath yearning, and the spacing section internal diameter that inner edge constituted is less than this waste material and towards rod outside diameter.
Punching mould core group of the present invention, positive stop spring plate portion thickness be less than this fixed part thickness, and positive stop spring plate portion lateral border matches the external diameter that constitutes less than the fixed part external diameter.
Punching mould core group of the present invention, this base portion has the up narrow gradually plug support segment that contracts of an internal diameter, reach one from filling in support segment coaxial up extension and the set section affixed with spacing ring portion, the fixed part of this locating part is that up close-fitting abuts against and is fixed in this plug support segment inner peripheral surface, positive stop spring plate portion is that ground extends in this set section on tiltedly in the fixed part end face is directly yearned for, and can be respectively by this waste material with towards radially pushing tow flexural deformation outward of rod.
Punching mould core group of the present invention, positive stop spring plate portion footpath respectively yearns for and to be based in this fixed part inner peripheral surface interiorly, and can be respectively by this waste material with towards rod down the elasticity pushing tow and outside be out of shape.
Punching mould core group of the present invention, this position-limiting unit also comprise a coaxial base portion inner peripheral surface that is mounted on, and with the fixed part of locating part up contact be positioned the hollow tubular keeper of this spacing ring portion bottom surface.
Punching mould core group of the present invention, this die core seat has two intervals in opposite directions and radially extend through the inlaid hole of this die core seat inner and outer circumferential surfaces respectively, this punching mould core group comprises two position-limiting units that are installed on respectively in the inlaid hole, each position-limiting unit comprises a keeper that is mounted in the corresponding inlaid hole outer end, one can be arranged at the locating part that also can be stretched out the die core seat inner peripheral surface in the inlaid hole by part, the spacing ground of die core seat with displacement along this inlaid hole, and one be arranged in the inlaid hole and elastic top is butted between this keeper and this locating part and perseverance forces locating part to stretch out the elastic top push piece of die core seat inner peripheral surface toward in, when this position-limiting unit is positioned at this open position, described locating part can be respectively by this towards rod elasticity pushing tow and moving in the inlaid hole outward radially, when this position-limiting unit was positioned at this spacing position, the spacing between the described locating part also can be limited in the waste material that passes through toward bottom offset in the die core seat less than this waste material external diameter.
Punching mould core group of the present invention, this yoke frame are spring.
Punching mould core group of the present invention, this locating part is spherical in shape.
Beneficial effect of the present invention is: by the structural design of this ring-type die core seat and position-limiting unit, position-limiting unit can be by the elasticity pushing tow, and the structural design that between this open position and this spacing position, changes, can significantly reduce the member wear rate of punching mould core group, and the consumables cost when reducing nut relatively and manufacturing.
Description of drawings
Fig. 1 is the side cutaway view that generally is used for the die core seat structural design of nut punching;
Fig. 2 is the three-dimensional exploded view of first embodiment of punching mould core group of the present invention;
Fig. 3 is this first embodiment side cutaway view, and the situation a when position-limiting unit is positioned at spacing position is described;
Fig. 4 is the view of similar Fig. 3, illustrates that one is dashed rod the waste material that punching produces is down passed in the die core seat, and the situation of position-limiting unit when being positioned at open position towards excellent pushing tow;
Fig. 5 is second embodiment side cutaway view of punching mould core group of the present invention;
Fig. 6 is the 3rd an embodiment side cutaway view of punching mould core group of the present invention;
The three-dimensional exploded view of the 4th embodiment of Fig. 7 punching mould core group of the present invention;
Fig. 8 is the side cutaway view of the 4th embodiment, illustrates that dashing rod passes situation in the die core seat with punched scrap;
Fig. 9 is the side cutaway view of fifth embodiment of the invention, illustrates that dashing rod passes situation in the die core seat with punched scrap;
Figure 10 is the partial enlarged drawing of the left side of Fig. 9.
The specific embodiment
The present invention is described in detail below in conjunction with drawings and Examples.
Before the present invention is described in detail, be noted that in the following description content similar elements is to represent with identical numbering.
To shown in Figure 4, first embodiment of punching mould core group of the present invention is applicable to for treating that the nut blank 100 of punching is provided with the location, down carries out the punching operation so that dash rod 200 for one, and spacing in order to the waste material 101 that punching is produced as Fig. 2.And when this waste material 101 is produced by impact forging, can constitute one from its bottom surface to pushing inclined-plane 102 outward and toward the ring-type that extends to its outer peripheral face that tilts.
This punching mould core group 3 comprises a ring-type die core seat 4, and position-limiting unit 5 that is installed in the die core seat 4, and this position-limiting unit 5 can enter the waste material 101 in the die core seat 4 in a quilt toward bottom offset and dash radially elasticity pushing tow distortion outward of rod 200, and the open position that waste material 101 is passed through, and in a footpath is yearned for elastic reset and the waste material 101 that passes through can't be limited between spacing position in the die core seat 4 with up breaking away from change.
This die core seat 4 has a ring-type base portion 41, reach the spacing ring portion 42 that is based in base portion 41 inner peripheral surface tops in the footpath yearning, and this base portion 41 has a ring-type plug support segment 411, and one from filling in support segment 411 is coaxial up to be extended and internal diameter becomes big set section 412 from lower to upper gradually.
This position-limiting unit 5 comprises a locating part 51 that is mounted in the base portion 41, this locating part 51 has coaxial compeling to the ring-type fixed part 511 that is fixed in plug support segment 411 inner peripheral surfaces in close-fitting ground, and it is a plurality of respectively from this up projection of fixed part 511 end faces, and around these fixed part 511 axle center positive stop spring plate portion 512 spaced apart, but and 512 relative fixed portions 511 of positive stop spring plate portion between this open position and this spacing position, change.
Positive stop spring plate portion 512 has one respectively from the fixed part 511 elasticity elastic arm section 513 of projection up, and one be based in elastic arm section 513 tops and footpath yearn in spacing section 514 of projection.The internal diameter that described elastic arm section 513 inner edges are constituted is greater than waste material 101 and towards excellent 200 external diameters.Described spacing section 514 medial surface is to be from lower to upper respectively, and radially extends shape toward outer arc is curved gradually, and described spacing section 514 medial surface root edge match the internal diameter that constituted less than this waste material 101 with towards excellent 200 external diameters.In addition, the aperture that constituted of positive stop spring plate portion 512 inner edges less than waste material 101 with towards excellent 200 external diameters.
When this dashes nut blank 100 that 200 pairs of rods are arranged at these die core seat 4 end faces and carries out punching, nut blank 100 is dashed the down waste material 101 of punching generation of rod 200, can be dashed rod 200 down passes by this spacing ring portion 42, and push inclined-plane 102 with its ring-type and down abut against spacing section 514 medial surface in positive stop spring plate portion 512, and in folding process, spacing section 514 of pushing tow outward radially, interlock makes positive stop spring plate portion 512, elastic arm section 513 elasticity are opened outward and are out of shape,, and should continue towards excellent 200 outer peripheral faces and be resisted against spacing section 514 medial surface by spacing section 514 until this waste material 101.At this moment, positive stop spring plate portion 512 just is positioned at this open position, and this waste material 101 can directly fall into this fixed part 511.After up detaching this locating part 51 towards rod 200, the positive stop spring plate portion 512 of this locating part 51 can reset toward interior elasticity backswing at once, and this open position is changed to spacing position certainly, and then this waste material 101 can be limited in spacing section 514 below.
In the present embodiment, spacing section 514 medial surface of positive stop spring plate portion 512, what be designed to make things convenient for this waste material 101 pushes inclined-plane 102 elasticity pushing tow and open distortion outward outward, but when implementing, this spacing section 514 external form be as limit, if positive stop spring plate portion 512 can by waste material 101 with dash radially elasticity pushing tow and outer opening is changed to this open position outward of rod 200.
As shown in Figure 5, the difference place of second of punching mould core group of the present invention embodiment and first embodiment only is: positive stop spring plate portion 512 external forms of this locating part 51.For convenience of description, only describe below at present embodiment and first embodiment difference place.
In the present embodiment, each elastic arm section 513 thickness of positive stop spring plate portion 512 are all less than these fixed part 511 thickness, and elastic arm section 513 outer rims match the external diameter that constituted less than these fixed part 511 external diameters.Because the punching mould core group 3 of present embodiment is in order to prevent that punched scrap 101 is identical with first embodiment toward the mechanism that top offset breaks away from die core seat 4, therefore no longer describes in detail.
As shown in Figure 6, the difference of the 3rd of punching mould core group of the present invention the embodiment and first embodiment is in this die core seat 4 and these locating part 51 external forms.Below only describe at present embodiment and first embodiment difference place.
In the present embodiment, plug support segment 411 internal diameters of this base portion 41 are to be the up narrow gradually shape that contracts, and set section 412 inner peripheral surfaces are to be up uprightly to extend shape.
Fixed part 511 external diameters of this locating part 51 are to be the up narrow gradually shape that contracts, and but compel to being fixed in this plug support segment 411 toward upper limit on close-fitting ground, positive stop spring plate portion 512 is respectively in fixed part 511 end faces are directly yearned for and protrude in the set section 412 toward tilting, and positive stop spring plate portion 512 first section inner edges match the internal diameter that constitutes less than this waste material 101 and towards excellent 200 external diameters.
Same, down pass when going in the die core seat 4 when dashing waste material 101 that rod 200 produces punching, this waste material 101 is understood radially elasticity pushing tow positive stop spring plate portion 512 outward, continue towards excellent 200 outer peripheral faces until this and to be resisted against 512 in positive stop spring plate portion, and when making positive stop spring plate portion 512 be positioned at this open position, can make this waste material 101 fall into base portion 41 by positive stop spring plate portion 512.After up detaching locating part 51 towards rod 200, elasticity backswing in the 512 same directly yearnings of positive stop spring plate portion, and return to this spacing position, and this waste material 101 is limited in the die core seat 4.
As Fig. 7, shown in Figure 8, the 4th embodiment of punching mould core group of the present invention and the difference of first enforcement are in the structural design of these die core seat 4 external forms and this position-limiting unit 5.
In the present embodiment, base portion 41 inner peripheral surfaces of this die core seat 4 are to present down the vertical that extends.This position-limiting unit 5 comprises that coaxial being arranged in the base portion 41 and toward upper limits abuts against in the ring-type locating part 51 of these spacing ring portion 42 bottom surfaces, and one coaxially is installed in the base portion 41 and abuts against in base portion 41 inner peripheral surfaces and the hollow tubular keeper 52 of this locating part 51 of contact up.
The fixed part 511 of this locating part 51 is up pushed against the bottom surface that is positioned this spacing ring portion 42 by this keeper 52, positive stop spring plate portion 512 respectively in fixed part 511 inner peripheral surfaces are directly yearned for horizontal projection cross this spacing ring portion 42 inner edges, and positive stop spring plate portion 512 inner edges match the internal diameter that constitutes less than this waste material 101 with towards excellent 200 external diameters.
Down pass when going into die core seat 4 when dashing waste material 101 that rod 200 produces punching, positive stop spring plate portion 512 can continue by waste material 101 with should be towards excellent 200 outer peripheral faces elasticity pushing tow and outer opening is out of shape down, making this waste material 101 to be pushed moves up in the base portion 41, and when this up detaches towards excellent 200, the pendulum of going up by positive stop spring plate portion 512 resets, and this waste material 101 is limited in the base portion 41.
In the present embodiment, this locating part 51 is positioned in the base portion 41 by the up pushing tow that is fixed in the keeper 52 in the base portion 41, but when implementing, this keeper 52 and inessential, can directly this locating part 51 be fixed in these spacing ring portion 42 bottom surfaces, but when implementing, the locate mode of locating part 51 is not exceeded with above-mentioned kenel.
As Fig. 9, shown in Figure 10, the 5th embodiment and first embodiment difference place of punching mould core group of the present invention only are: die core seat 4 external forms, this position-limiting unit 5 quantity and structural design.
In the present embodiment, 4 of this die core seat have a ring-type base portion 41 that supplies nut blank 100 to be arranged at its end face, and this base portion 41 has the inlaid hole 410 that two intervals extend through these base portion 41 inner and outer circumferential surfaces in opposite directions and radially.
Punching mould core group 3 of the present invention comprises two position-limiting units 5 that are installed on respectively in the inlaid hole 410, each position-limiting unit 5 comprises that a keeper 52, in the outer end of being fixed in corresponding inlaid hole 410 can be arranged in this inlaid hole 410 with displacement and can stretch out the locating part 51 of base portion 41 inner peripheral surfaces toward interior part along inlaid hole 410, and one is arranged in the inlaid hole 410 and elastic top is butted on the elastic top push piece 53 of 51 of this keeper 52 and this locating parts.In the present embodiment, this locating part 51 is a ball, and this yoke frame 53 is a spring, and this locating part 51 can be by base portion 41 spacing ground, the part stretches out inlaid hole 410 inner edges, and the part exposes in the base portion 41, and when locating part 51 was positioned at this spacing position, the spacing that locating part is 51 was less than waste material 101 and towards excellent 200 external diameters.
When being dashed rod 200, this waste material 101 turned down when pushing in the base portion 41, this waste material 101 can force locating part 51 to rotate, and locating part 51 radially passed to go in the inlaid hole 410, and elasticity compressing yoke frame 53, until changing by towards the opposing elasticity pushing tow of excellent 200 outer peripheral faces locating part 51, at this moment, position-limiting unit 5 is to lay respectively at this open position, and can make this waste material 101 by locating part 51, and after this up detaches towards rod 200, by yoke frame 53 respectively with locating part 51 in opposite directions the elasticity pushing tow reset, prevent that this waste material 101 breaks away from die core seat 4 toward top offsets.
Conclude above-mentioned, structural design by this ring-type die core seat 4 and position-limiting unit 5, position-limiting unit 5 can be by radially elasticity pushing tow or down elasticity pushing tow outward, and the structural design that between this open position and this spacing position, changes, can make by the waste materials of down passing in the die core seat 4 towards rod 200 101 and be limited in effectively in the die core seat 4, and can't break away from die core seat 4 toward top offset, quite convenient and practical, and because of the positive stop spring plate portion 512 of this locating part 51 and this elastic top push piece 53 all for can by waste material 101 with dash the element that rod 200 pushes strain, so be difficult for wear damage, so consumables cost also can reduce nut relatively and manufacture the time.Therefore, can reach purpose of the present invention really.
Claims (10)
1. punching mould core group, can be provided with spacing for a nut stock, and can prevent that this nut blank from being dashed the down up travelling backwards of waste material of punching generation of rod, it is characterized in that, this punching mould core group comprises a described nut blank of confession and is dashed the waste material of excellent down punching generation and should dash excellent its inner ring-type die core seat that down enters, and at least one is installed on the position-limiting unit in the die core seat, this position-limiting unit comprises a locating part that is installed in the die core seat, and this position-limiting unit can continue in a quilt and enter waste material and the open position that waste material passed through towards excellent elasticity pushing tow in the die core seat toward bottom offset, and pulls away in one and waste material can't be limited between spacing position in the die core seat change with up breaking away from.
2. punching mould core group according to claim 1, it is characterized in that, this die core seat has a ring-type base portion, and the spacing ring portion that is based in base portion inner peripheral surface top is yearned in a footpath interiorly, this locating part have one coaxial be mounted in this base portion and internal diameter greater than the ring-type fixed part of waste material external diameter, and a plurality ofly be based on the fixed part and around this fixed part axle center elasticity positive stop spring plate portion spaced apart, and the aperture that described positive stop spring plate portion inner edge is constituted less than waste material with towards rod outside diameter, when this positive stop spring plate portion is positioned at this open position, this positive stop spring plate portion by down dash radially elasticity pushing tow and open distortion outward outward of rod, when positive stop spring plate portion was positioned at spacing position, this positive stop spring plate portion can directly yearn for interior elastic reset and waste material is limited in the die core seat.
3. punching mould core group according to claim 2, it is characterized in that, this base portion has a ring-type plug support segment, and one from filling in the coaxial up projection of support segment and internal diameter becomes big set section from lower to upper gradually, the fixed part of this locating part is that close-fitting abuts against the plug support segment inner peripheral surface that is fixed in base portion, positive stop spring plate portion has one respectively from the up projection and can be by the elastic arm section of elasticity pushing tow bending outward radially of this fixed part end face, reach spacing section that is based in elastic arm section top in the footpath yearning, and the spacing section internal diameter that inner edge constituted is less than this waste material and towards rod outside diameter.
4. punching mould core group according to claim 3 is characterized in that, positive stop spring plate portion thickness is less than this fixed part thickness, and positive stop spring plate portion lateral border matches the external diameter that constitutes less than the fixed part external diameter.
5. punching mould core group according to claim 2, it is characterized in that, this base portion has the up narrow gradually plug support segment that contracts of an internal diameter, reach one from filling in support segment coaxial up extension and the set section affixed with spacing ring portion, the fixed part of this locating part is that up close-fitting abuts against and is fixed in this plug support segment inner peripheral surface, positive stop spring plate portion is that ground extends in this set section on tiltedly in the fixed part end face is directly yearned for, and can be respectively by this waste material with towards radially pushing tow flexural deformation outward of rod.
6. punching mould core group according to claim 2 is characterized in that, positive stop spring plate portion footpath respectively yearns for and to be based in this fixed part inner peripheral surface interiorly, and can be respectively by this waste material with towards rod down the elasticity pushing tow and outside be out of shape.
7. punching mould core group according to claim 6 is characterized in that, this position-limiting unit also comprises a coaxial base portion inner peripheral surface that is mounted on, and with the fixed part of locating part up contact be positioned the hollow tubular keeper of this spacing ring portion bottom surface.
8. punching mould core group according to claim 1, it is characterized in that, this die core seat has two intervals in opposite directions and radially extend through the inlaid hole of this die core seat inner and outer circumferential surfaces respectively, this punching mould core group comprises two position-limiting units that are installed on respectively in the inlaid hole, each position-limiting unit comprises a keeper that is mounted in the corresponding inlaid hole outer end, one can be arranged at the locating part that also can be stretched out the die core seat inner peripheral surface in the inlaid hole by part, the spacing ground of die core seat with displacement along this inlaid hole, and one be arranged in the inlaid hole and elastic top is butted between this keeper and this locating part and perseverance forces locating part to stretch out the elastic top push piece of die core seat inner peripheral surface toward in, when this position-limiting unit is positioned at this open position, described locating part can be respectively by this towards rod elasticity pushing tow and moving in the inlaid hole outward radially, when this position-limiting unit was positioned at this spacing position, the spacing between the described locating part also can be limited in the waste material that passes through toward bottom offset in the die core seat less than this waste material external diameter.
9. punching mould core group according to claim 8 is characterized in that, this yoke frame is a spring.
10. punching mould core group according to claim 8 is characterized in that this locating part is spherical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100071798A CN101497098B (en) | 2008-02-02 | 2008-02-02 | Punching mould core set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100071798A CN101497098B (en) | 2008-02-02 | 2008-02-02 | Punching mould core set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101497098A true CN101497098A (en) | 2009-08-05 |
| CN101497098B CN101497098B (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100071798A Expired - Fee Related CN101497098B (en) | 2008-02-02 | 2008-02-02 | Punching mould core set |
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| Country | Link |
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| CN (1) | CN101497098B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624775A (en) * | 2013-11-07 | 2015-05-20 | 齐藤博文 | Piercing apparatus with scrap removing capability |
| CN113103353A (en) * | 2021-03-04 | 2021-07-13 | 丰民金属工业股份有限公司 | Punching machine |
| CN117181899A (en) * | 2023-11-06 | 2023-12-08 | 南通易昇机械有限公司 | Board stamping device for mechanical production |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4267753A (en) * | 1979-11-08 | 1981-05-19 | Bennett Edward D | Apparatus for producing a blank from stock material |
| EP1550521B1 (en) * | 2002-06-07 | 2018-04-25 | Amada Company, Limited | Slug float-up preventing mechanism |
| CN2618699Y (en) * | 2003-05-02 | 2004-06-02 | 江苏金方圆数控机床有限公司 | Waste material spring back bottom mold of digital control turret punching machine mold |
| CN2887480Y (en) * | 2006-03-20 | 2007-04-11 | 佛山市顺德区汉达精密电子科技有限公司 | Punch structure |
-
2008
- 2008-02-02 CN CN2008100071798A patent/CN101497098B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624775A (en) * | 2013-11-07 | 2015-05-20 | 齐藤博文 | Piercing apparatus with scrap removing capability |
| CN113103353A (en) * | 2021-03-04 | 2021-07-13 | 丰民金属工业股份有限公司 | Punching machine |
| CN117181899A (en) * | 2023-11-06 | 2023-12-08 | 南通易昇机械有限公司 | Board stamping device for mechanical production |
| CN117181899B (en) * | 2023-11-06 | 2024-01-23 | 南通易昇机械有限公司 | Board stamping device for mechanical production |
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| Publication number | Publication date |
|---|---|
| CN101497098B (en) | 2010-10-20 |
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