CN203427108U - Novel fine blanking die - Google Patents
Novel fine blanking die Download PDFInfo
- Publication number
- CN203427108U CN203427108U CN201320490882.5U CN201320490882U CN203427108U CN 203427108 U CN203427108 U CN 203427108U CN 201320490882 U CN201320490882 U CN 201320490882U CN 203427108 U CN203427108 U CN 203427108U
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- die
- stripper
- punch
- gear ring
- pressing plate
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Abstract
The utility model discloses a novel fine blanking die, comprising an upper die seat, a lower die seat, a shank, guide sleeves, guide pillars, a male die and a female die, wherein fiberglass anticorrosive coatings are respectively arranged on the surfaces of the upper die seat and the lower die seat; a stripper plate is sleeved on the male die; a plurality of strip lugs are arranged on the side wall of the stripper plate at intervals; stripper bolts are arranged on the stripper plate; a rubber cushion is sleeved on each stripper bolt; the novel fine blanking die also comprises a gear ring pressing plate which is an annular plate; an annular groove matched with the gear ring pressing plate is formed in the lower surface of the stripper plate; the gear ring pressing plate is sleeved on the male die in an annular way and is fixedly connected into the annular groove; a tooth-shaped lug is arranged at the lower surface of the gear ring pressing plate; the lower surface of the tooth-shaped lug is lower than the lower surface of the stripper plate. By using the novel fine blanking die, the pressure on a material strap during stamping is increased, the material strap is located in a three-way pressure stress state, the bending of the material strap is prevented, and the product precision and the fracture surface quality can be improved.
Description
Technical field
The utility model belongs to metal manufacture field, is specifically related to a kind of novel precise blanking die.
Background technology
Stamping die is a kind of industrial production common equipment, it can carry out the processing and forming such as punching and blanking, existing stamping die is when the thin material of punching press, material strip is in free state, and when punching or blanking, material strip is easy to wrinkling, affect the precision of product, increased percent defective, even if adopt stripper spring-loaded stripping and push piece, also because to the pressure of material strip not and can not anti-stopping materials strip vault curved.While using in addition existing stamping die punching press, material strip is only subject to the pressure of punch, and the material strip at cutting edge place there will be shearing splitting phenomenon, and product section only has the euphotic belt of 1/3 left and right, and all the other are coarse fracture belt, and cross section quality is poor.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of novel precise blanking die is provided, and the pressure to material strip in the time of can increasing punching press, allows the state of material strip in three-dimensional compressive stress, anti-stopping materials strip vault is curved, improves precision and the cross section quality of product.
The technical scheme that the utility model adopts is: a kind of novel precise blanking die, comprise upper bolster, die shoe, die shank, guide pin bushing, guide pillar, punch and die, punch is arranged at upper bolster lower surface, die is arranged at die shoe upper surface, described upper bolster and die shoe surface are respectively arranged with Corrosion Protection of Fiber Reinforced Plastics layer, on punch, be socketed with stripper, described stripper sidewall spacers is provided with some strip bulges, on stripper, be provided with unloading bolt, on unloading bolt, be socketed with rubber blanket, also comprise gear ring pressing plate, gear ring pressing plate is annular plate, stripper lower surface has the annular groove mating with gear ring pressing plate, gear ring pressing plate is located on punch and is fixedly connected in annular groove, the lower surface of gear ring pressing plate is provided with detent projection, the lower surface of detent projection is lower than the lower surface of stripper.
As preferably, described punch adopts GCr15 to make, and between punch and upper bolster, is provided with backing plate, and backing plate adopts 45 steel to make, and punch is fixedly connected on backing plate lower surface by punch retainer.
As preferably, described die adopts carbide alloy to make, and in the die hole of die, is provided with top board, and the upper surface of top board is higher than the upper surface of die, and the lower surface of top board is provided with push rod, is socketed with head part spring on push rod.
As preferably, described guide pin bushing and guide pillar adopt 20 steel to make, and in the gap that guide pin bushing and guide pillar coordinate, are provided with ball.
The beneficial effects of the utility model are: gear ring pressing plate of the present utility model can strengthen the pressure to material strip when punching press, can not produce elasticity vault and bend up wrinkle, has improved the precision of product.Material strip stress state in three dimension stress under the effect of gear ring pressing plate, top board, punch and die during punching press, only produces plasticity and shears, the shearing splitting phenomenon while there will not be general stamping-out.Whole stamping-out section is all the euphotic belt of shearing, and cross section quality is good.The ball arranging in the gap that guide pin bushing and guide pillar coordinate can improve the positioning precision of upper bolster and die shoe, has further improved the precision of product.Stripper sidewall spacers is provided with some strip bulges, has improved the strength and stiffness of stripper, has improved machining accuracy.Upper bolster and die shoe surface are respectively arranged with Corrosion Protection of Fiber Reinforced Plastics layer, have improved antiseptic property of the present utility model, have extended service life of the present utility model, have good practicality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, upper bolster; 2, die shoe; 3, die shank; 4, punch; 5, punch retainer; 6, backing plate; 7, stripper; 8, unloading bolt; 9, rubber blanket; 10, die; 11, guide pin bushing; 12, guide pillar; 13, gear ring pressing plate; 14, top board; 15, push rod; 16, hold-down screw; 17, stop pin.
The specific embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.
As shown in Figure 1, a kind of novel precise blanking die, comprises upper bolster 1, die shoe 2, die shank 3, guide pin bushing 11, guide pillar 12, punch 4 and die 10, and upper bolster 1 and die shoe 2 adopt Q235 steel to make, good combination property, long service life.Described upper bolster 1 and die shoe 2 surfaces are respectively arranged with Corrosion Protection of Fiber Reinforced Plastics layer, have improved antiseptic property of the present utility model, have extended service life of the present utility model.Punch 4 is arranged at upper bolster 1 lower surface, in the present embodiment, and as preferably, described punch 4 adopts GCr15 to make, between punch 4 and upper bolster 1, be provided with backing plate 6, backing plate 6 adopts 45 steel to make, and punch 4 is fixedly connected on backing plate 6 lower surfaces by punch retainer 5.The impact of 4 pairs of upper bolsters 1 of punch when backing plate 6 can effectively slow down punching press, the service life of prolongation upper bolster 1.
Die 10 is arranged at die shoe 2 upper surfaces, and in the present embodiment, die 10 is fixedly connected on die shoe 2 upper surfaces by hold- down screw 16, and 2 of die 10 and die shoes are provided with stop pin 17.Can prevent that die 10 from rotating relative to die shoe 2, affects the precision of punching press.As preferably, described die 10 adopts carbide alloy to make, long service life.In the die hole of die 10, be provided with top board 14, the upper surface of top board 14 is higher than the upper surface of die 10, and the lower surface of top board 14 is provided with push rod 15, is socketed with head part spring on push rod 15.In the present embodiment, as preferably, the die hole of die 10 is up-small and down-big stepped hole, and the cross section of top board 14 is inverted T-shaped.
On punch 4, be socketed with stripper 7, described stripper 7 sidewall spacers are provided with some strip bulges, the strength and stiffness of stripper 7 have been improved, improved machining accuracy, on stripper 7, be provided with unloading bolt 8, on unloading bolt 8, be socketed with rubber blanket 9, also comprise gear ring pressing plate 13, gear ring pressing plate 13 is annular plate, stripper 7 lower surfaces have the annular groove mating with gear ring pressing plate 13, gear ring pressing plate 13 is located on punch 4 and is fixedly connected in annular groove, the lower surface of gear ring pressing plate 13 is provided with detent projection, the lower surface of detent projection is lower than the lower surface of stripper 7.
In the present embodiment, as preferably, described guide pin bushing 11 and guide pillar 12 adopt 20 steel to make, and in the gap that guide pin bushing 11 and guide pillar 12 coordinate, are provided with ball.Guiding accuracy while allowing guide pin bushing 11 slide along guide pillar 12 is higher, has further improved the precision of stamping-out.
The above, it is only the utility model preferred embodiment, therefore can not limit the scope that the utility model is implemented with this, the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (4)
1. a novel precise blanking die, comprise upper bolster, die shoe, die shank, guide pin bushing, guide pillar, punch and die, punch is arranged at upper bolster lower surface, die is arranged at die shoe upper surface, it is characterized in that: described upper bolster and die shoe surface are respectively arranged with Corrosion Protection of Fiber Reinforced Plastics layer, on punch, be socketed with stripper, described stripper sidewall spacers is provided with some strip bulges, on stripper, be provided with unloading bolt, on unloading bolt, be socketed with rubber blanket, also comprise gear ring pressing plate, gear ring pressing plate is annular plate, stripper lower surface has the annular groove mating with gear ring pressing plate, gear ring pressing plate is located on punch and is fixedly connected in annular groove, the lower surface of gear ring pressing plate is provided with detent projection, the lower surface of detent projection is lower than the lower surface of stripper.
2. novel precise blanking die according to claim 1, is characterized in that: described punch adopts GCr15 to make, and between punch and upper bolster, is provided with backing plate, and backing plate adopts 45 steel to make, and punch is fixedly connected on backing plate lower surface by punch retainer.
3. novel precise blanking die according to claim 1 and 2, it is characterized in that: described die adopts carbide alloy to make, and in the die hole of die, is provided with top board, and the upper surface of top board is higher than the upper surface of die, the lower surface of top board is provided with push rod, is socketed with head part spring on push rod.
4. novel precise blanking die according to claim 3, is characterized in that: described guide pin bushing and guide pillar adopt 20 steel to make, and in the gap that guide pin bushing and guide pillar coordinate, is provided with ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490882.5U CN203427108U (en) | 2013-08-13 | 2013-08-13 | Novel fine blanking die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490882.5U CN203427108U (en) | 2013-08-13 | 2013-08-13 | Novel fine blanking die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203427108U true CN203427108U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320490882.5U Expired - Fee Related CN203427108U (en) | 2013-08-13 | 2013-08-13 | Novel fine blanking die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203427108U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088606A (en) * | 2017-07-01 | 2017-08-25 | 故城县龙马冲压件有限公司 | A kind of brake block steel back fine blanking die assembly |
| CN107159777A (en) * | 2017-07-01 | 2017-09-15 | 故城县亨润汽车配件有限公司 | A kind of brake block steel back fine blanking die assembly |
| CN108746317A (en) * | 2018-05-30 | 2018-11-06 | 大连理工大学 | A kind of blanking apparatus that can continuously adjust gap |
| CN111496928A (en) * | 2020-04-14 | 2020-08-07 | 滁州美业机械制造有限公司 | Refrigerator middle partition plate punching die |
| CN112317601A (en) * | 2020-11-16 | 2021-02-05 | 张中海 | Punching equipment for automobile fender |
| CN117018883A (en) * | 2023-08-16 | 2023-11-10 | 深圳市爱玛特科技有限公司 | Manufacturing process of multi-wall carbon nano tube composite ultrafiltration membrane |
-
2013
- 2013-08-13 CN CN201320490882.5U patent/CN203427108U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088606A (en) * | 2017-07-01 | 2017-08-25 | 故城县龙马冲压件有限公司 | A kind of brake block steel back fine blanking die assembly |
| CN107159777A (en) * | 2017-07-01 | 2017-09-15 | 故城县亨润汽车配件有限公司 | A kind of brake block steel back fine blanking die assembly |
| CN107159777B (en) * | 2017-07-01 | 2023-10-10 | 故城县亨润汽车配件有限公司 | Brake block steel backing fine blanking die assembly |
| CN108746317A (en) * | 2018-05-30 | 2018-11-06 | 大连理工大学 | A kind of blanking apparatus that can continuously adjust gap |
| CN111496928A (en) * | 2020-04-14 | 2020-08-07 | 滁州美业机械制造有限公司 | Refrigerator middle partition plate punching die |
| CN112317601A (en) * | 2020-11-16 | 2021-02-05 | 张中海 | Punching equipment for automobile fender |
| CN117018883A (en) * | 2023-08-16 | 2023-11-10 | 深圳市爱玛特科技有限公司 | Manufacturing process of multi-wall carbon nano tube composite ultrafiltration membrane |
| CN117018883B (en) * | 2023-08-16 | 2024-04-19 | 深圳市爱玛特科技有限公司 | Manufacturing process of multi-wall carbon nano tube composite ultrafiltration membrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140813 |
|
| EXPY | Termination of patent right or utility model |