CN202527574U - Side edge blanking anti-scrap-jumping structure - Google Patents
Side edge blanking anti-scrap-jumping structure Download PDFInfo
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- CN202527574U CN202527574U CN2012200756195U CN201220075619U CN202527574U CN 202527574 U CN202527574 U CN 202527574U CN 2012200756195 U CN2012200756195 U CN 2012200756195U CN 201220075619 U CN201220075619 U CN 201220075619U CN 202527574 U CN202527574 U CN 202527574U
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- side edge
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Abstract
The utility model relates to the field of high-speed progressive stamping of thin materials, in particular to a side edge blanking anti-scrap-jumping structure. The side edge blanking anti-scrap-jumping structure comprises a female die with a square die cavity, and a male die which can be inserted into the female die and is matched with the female die, wherein blanking clearances for blanking a side edge are formed between the female die and the male die; a groove 1 for guiding the male die and a groove 2 opposite to the groove 1 are formed on the side walls of the die cavity; a guide clearance is formed between the groove 1 and the male die; and a press-in clearance is formed between the groove 2 and the male die. By the side edge blanking anti-scrap-jumping structure, the stress states of the dies and scraps are controlled through different male and female die fit clearances, the scraps are pressed-in by the male die and smoothly enter the optimized die cavity, the length of the scraps is greater than the size of an opening, and the scraps are subjected to bending deformation under the action of the male die, are clamped in the opening of the female die and cannot jump, so that an anti-scrap-jumping control effect is good, and stable production can be performed at high stamping speed.
Description
(1) technical field
The utility model relates to thin material high speed progressive stamping field, the anti-jump bits structure of particularly a kind of side edge stamping-out.
(2) background technology
At present in the progressive stamping production process; The rebound of stamping-out scrap (also claiming " jumping bits ") directly has influence on the production efficiency of mould, the quality of product and the safety of mould and pressing equipment, and " jumping bits " of high speed progressive die is an order design and the worried problem of producers always.Because, will stay at product surface and weigh output defective products in batch wounded as long as " jumping bits " takes place once once in a while.Light then influence the production capacity of manufacturing sector, need to shut down and repair mould, shut die debugging again; Heavy then collapse broken cutting edge, the punch that fractures, expensive mould and the high velocity ram machine main shaft of damage.And " jumping bits " is the very high phenomenon of occurrence frequency in the thin material high speed progressive die industry, particularly at side edge stamping-out worker station, because operation character is limit and caused the stamping-out scrap only to contact fully with the punching and blanking die cutting edge is non-, more aggravated the possibility of its rebound.The anti-jump bits of side edge stamping-out technology is one of key technology of thin material high speed and precision progressive stamping.
To the problems referred to above, released the device of multiple anti-jump bits in the industry, reduce the frequency of jumping the bits generation through optimizing measures such as the combination of stamping-out cutting edge, its roughness of die hole wall discharge coating increase, air blowing downwards, mold bottom vacuum suction.Present common anti scrap-jumping device used and mechanism in the industry is primarily aimed at the jumping bits of totally-enclosed stamping-out profile, only establishes that technology groove increases the snap-in force of bits material and die jamb or controls through vacuum suction for side edge side cut operation and jump bits and produce.This kind measure can not fundamentally be avoided jumping bits, also is vulnerable to the influence of drawing velocity in addition, and often the lifting owing to drawing velocity causes jumping bits frequency obviously to aggravate, and exists destabilizing factor and restricted high speed and precision progressive stamping development of technology to promote.
(3) summary of the invention
The utility model provides a kind of simple in structure, effective anti-jump bits structure of side edge stamping-out of jumping bits control in order to remedy the defective of prior art.
The utility model is realized through following technical scheme:
The anti-jump bits structure of a kind of side edge stamping-out; Comprise die with square die cavity and the punch that can be inserted in this die and be complementary with this die; Has the blade clearance that is used to accomplish the side edge stamping-out between die and the punch; It is characterized in that: the sidewall of die cavity offers groove one that is used for the correcting punch and the groove two that is oppositely arranged with this groove one, and the gap between groove one and the punch is the correcting gap, and the gap between groove two and the punch is for being pressed into the gap; The correcting gap is greater than the blade clearance, and the correcting gap is less than being pressed into the gap.
The anti-jump bits structure of this side edge stamping-out, the end of groove two have makes the workpiece front end be pressed into the guide part in the die cavity, and the distance between guide part and the punch diminishes from top to bottom gradually.The edge of guide part cross section is followed successively by camber line, straight line and camber line.Die is provided with stock guide, and the distance between stock guide and the workpiece is 3～5 μ m.Distance between stock guide and the workpiece is 4 μ m.
The beneficial effect of the utility model is: the anti-jump bits structure of this side edge stamping-out, control the stress of mould and scrap through different punch-die fit clearances, the influence that it is simple in structure, safe and convenient to use and not promoted by drawing velocity.Adopt punch to be pressed into scrap; And make it after the smooth and easy entering optimization in the die cavity, scrap length surpasses dimension of opening but its flexural deformation under the punch effect, is stuck at die the hole in and unlikelyly goes up jumping; So the control of anti-jump bits is effective, and can be under higher drawing velocity condition steady production.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 2 is looked sketch map for the master of the anti-jump bits structure of the utility model side edge stamping-out.
Accompanying drawing 3 is the structural representation of die in the anti-jump bits structure of the utility model side edge stamping-out.
Among the figure, 1 die, 11 die cavitys, 12 grooves, one, 13 groove, two, 14 guide parts, 2 punch, 3 blade clearances, 4 correcting gaps, 5 are pressed into the gap, 6 stock guides, 7 workpiece, 8 scrap.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the utility model.
Among Fig. 1; The anti-jump bits structure of this side edge stamping-out; Comprise die 1 with square die cavity 11 and the punch 2 that can be inserted in this die 1 and be complementary with this die 1; Have the blade clearance 3 that is used to accomplish the side edge stamping-out between die 1 and the punch 2, it is characterized in that: the sidewall of die cavity 11 offers groove 1 that is used for correcting punch 2 and the groove 2 13 that is oppositely arranged with this groove 1, and this groove 2 13 can make workpiece 7 front ends that stamping-out does not take place and only be pushed down in the die cavity 11 in punch 2 effects; Gap between groove 1 and the punch 2 is correcting gap 4; Gap between groove 2 13 and the punch 2 is for being pressed into gap 5, and correcting gap 4 is greater than blade clearance 3, and correcting gap 4 is less than being pressed into gap 5.
Among Fig. 2 and Fig. 3, the end of groove 2 13 has makes workpiece 7 front ends be pressed into the guide part 14 in the die cavity 11, and the distance between guide part 14 and the punch 2 diminishes from top to bottom gradually.The leading section of 14 pairs of workpiece 7 of this guide part leads, and makes workpiece 7 front ends that stamping-out not take place and only is pushed down into die cavity 11 in punch 2 effect, occurs bending and deformation simultaneously and is stuck in the die cavity 11.The edge of guide part 14 cross sections is followed successively by camber line, straight line and camber line, and guide part 14 its guide effect of this structure are good.
Among Fig. 1, die 1 is provided with stock guide 6, and the distance between stock guide 6 and the workpiece 7 is 3～5 μ m.In the present embodiment, the distance between stock guide 6 and the workpiece 7 is 4 μ m.
The anti-jump bits structure of this side edge stamping-out during work, is placed into workpiece 7 on the die 1, makes the front end of workpiece 7 be positioned at groove 2 13 places; Punch 2 descends; The front end that punch 2 pushes workpiece 7 on the one hand makes workpiece 7 flexural deformations and is stuck in the die cavity 11; On the other hand stamping-out is carried out in the rear end of workpiece 7, the state that workpiece 7 scrap 8 are stayed behind stamping-out in the die cavity 11 is being stuck in the die cavity 11 of bending two ends distortion.Blade clearance 3 in the anti-jump bits structure of this side edge stamping-out is mainly used in and accomplishes the side edge stamping-out through Design Theory; Correcting gap 4 is used for correcting blanking punch 2, and the side force when suppressing monolateral stamping-out simultaneously; Be pressed into gap 5 and can make workpiece 7 front ends that stamping-out does not take place and only be pushed down into die cavity 11, occur bending and deformation simultaneously and be stuck in the die cavity 11 in punch 2 effect.Adopt punch 2 to be pressed into scrap 8; And make it after the smooth and easy entering optimization in the die cavity 11, scrap 8 length surpass dimension of opening but its in punch 2 effect flexural deformations down, be stuck in and jumping on unlikely at die the 1 hole in; So the control of anti-jump bits is effective, and can be under higher drawing velocity condition steady production.
Claims (5)
1. anti-jump bits structure of side edge stamping-out; The punch (2) that comprises die (1) and can be inserted in this die (1) and be complementary with this die (1) with square die cavity (11); Has the blade clearance (3) that is used to accomplish the side edge stamping-out between die (1) and the punch (2); It is characterized in that: the sidewall of die cavity (11) offers groove one (12) that is used for correcting punch (2) and the groove two (13) that is oppositely arranged with this groove one (12); Gap between groove one (12) and the punch (2) is correcting gap (4); Gap between groove two (13) and the punch (2) is for being pressed into gap (5), and correcting gap (4) greater than blade clearance (3), correcting gap (4) are less than being pressed into gap (5).
2. the anti-jump bits structure of side edge stamping-out according to claim 1; It is characterized in that: the end of groove two (13) has makes workpiece (7) front end be pressed into the guide part (14) in the die cavity (11), and the distance between guide part (14) and the punch (2) diminishes from top to bottom gradually.
3. the anti-jump bits structure of side edge stamping-out according to claim 2 is characterized in that: the edge of guide part (14) cross section is followed successively by camber line, straight line and camber line.
4. the anti-jump bits structure of side edge stamping-out according to claim 1 and 2 is characterized in that: die (1) is provided with stock guide (6), and the distance between stock guide (6) and the workpiece (7) is 3～5 μ m.
5. the anti-jump bits structure of side edge stamping-out according to claim 4 is characterized in that: the distance between stock guide (6) and the workpiece (7) is 4 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200756195U CN202527574U (en) | 2012-03-02 | 2012-03-02 | Side edge blanking anti-scrap-jumping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200756195U CN202527574U (en) | 2012-03-02 | 2012-03-02 | Side edge blanking anti-scrap-jumping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202527574U true CN202527574U (en) | 2012-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200756195U Expired - Fee Related CN202527574U (en) | 2012-03-02 | 2012-03-02 | Side edge blanking anti-scrap-jumping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202527574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148488A (en) * | 2014-07-28 | 2014-11-19 | 顺德工业(江苏)有限公司 | Chip jumping-and-backfilling preventive punch mechanism |
| CN109175070A (en) * | 2018-11-27 | 2019-01-11 | 济南界龙科技有限公司 | It is a kind of to prevent leftover bits and pieces from backfilling or jumping the novel blade of bits in punching press processing procedure |
-
2012
- 2012-03-02 CN CN2012200756195U patent/CN202527574U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148488A (en) * | 2014-07-28 | 2014-11-19 | 顺德工业(江苏)有限公司 | Chip jumping-and-backfilling preventive punch mechanism |
| CN109175070A (en) * | 2018-11-27 | 2019-01-11 | 济南界龙科技有限公司 | It is a kind of to prevent leftover bits and pieces from backfilling or jumping the novel blade of bits in punching press processing procedure |
| CN109175070B (en) * | 2018-11-27 | 2024-03-29 | 济南界龙科技有限公司 | Novel cutting edge for preventing leftovers from backfilling or chip jumping in stamping process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20130302 |