CN203400976U - Pinhole punch anti-fracture punching die - Google Patents
Pinhole punch anti-fracture punching die Download PDFInfo
- Publication number
- CN203400976U CN203400976U CN201320481737.0U CN201320481737U CN203400976U CN 203400976 U CN203400976 U CN 203400976U CN 201320481737 U CN201320481737 U CN 201320481737U CN 203400976 U CN203400976 U CN 203400976U
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- punch
- stripper plate
- drift
- die
- stopper section
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Abstract
The utility model discloses a pinhole punch anti-fracture punching die. The pinhole punch anti-fracture punching die comprises an upper die and a lower die; the upper die comprises a punch holder, a check baffle and a stripper plate, wherein an elastic space is formed between the punch holder and the check baffle; the lower die comprises a lower plate. The pinhole punch anti-fracture punching die further comprises a two-segment type punch which comprises a columnar knock-out pin and a subsidiary punch, wherein the subsidiary punch comprises a check part and a punch part located below the check part, the radial width of the punch part is smaller than that of the check part, the radial width of the punch part is smaller than that of the knock-out pin, the knock-out pin penetrates through the check baffle and is located in the stripper plate, the check part is located in the stripper plate, and the punch part penetrates through the stripper plate; a waste through hole is formed in the lower plate and corresponds to the punch part. According to the pinhole punch anti-fracture punching die, fracture damage to the punch can be effectively reduced, die repairing time is shortened, the safety of the die is guaranteed, production efficiency is improved, production stability is guaranteed, extra waste of product production is avoided, the purpose that product production cost is reduced is achieved, and the punch is quite convenient to disassemble, assemble and replace.
Description
Technical field
The utility model relates to a kind of punching die, specifically relates to the anti-punching die that fractures of a kind of aperture drift.
Background technology
Punching die is on blank or sheet material, along the profile of sealing, isolates the mould that waste material obtains workpiece with hole.Corrosion resistant plate is a kind of conventional stamping material, when being rushed to aperture, thick corrosion resistant plate there is the problem of drift frangibility, such as, when the thick corrosion resistant plate of 2.0mm is rushed diameter and is the little punching of 1.0mm, because drift is more elongated, corrosion resistant plate is thicker, easily makes drift fracture when corrosion resistant plate is rushed to aperture.In order to prevent that aperture drift from fractureing, conventionally adopt three rank A punchings, radial width is followed successively by the first sub-drift from narrow to wide, the second sub-drift and the 3rd sub-drift, three rank A punchings are successively through train wheel bridge, baffle plate and stripper plate, wherein the first thinner sub-drift is positioned in stripper plate completely, and outside the first sub-drift sheathed sheath, the aperture drift of this structure has reduced to a certain extent drift and has fractureed, but, when rushing the aperture of 1.0mm diameter, because drift is longer, and corrosion resistant plate is thicker, aperture drift still easily fractures, cause drift to be changed frequent, and easily damage template, and then affect production and processing efficiency, cause production cost, increase, also cannot guarantee the stability of production.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model proposes the anti-punching die that fractures of a kind of aperture drift, the aperture drift that adopts segmented, can effectively reduce the damage that fractures of drift, reduces and repairs a die the time, ensure the security of mould, enhance productivity, guarantee the stability of production, avoid the additional waste of production, reach the object that reduces production cost, and dismounting is very convenient with replacing drift.
The technical solution of the utility model is achieved in that
The anti-punching die that fractures of drift, comprises upper die and lower die, and described patrix comprises train wheel bridge, baffle plate and the stripper plate that location arranges successively from top to bottom, between described train wheel bridge and described baffle plate, there is elastic space, described counterdie comprises lower bolster, treat that punching product is located between described stripper plate and described lower bolster, separately be provided with two-part drift, described drift comprises that column makes bar and be located at the described step-like sub-drift that is of beating below bar, described sub-drift comprises stopper section and is positioned at the punch of below, described stopper section, the radial width of described punch is less than the radial width of described stopper section, the radial width of described punch is less than described radial width of making bar, the described bar of beating is positioned in described stripper plate through described baffle plate, described stopper section is positioned in described stripper plate, described punch is through described stripper plate, corresponding described punch, described lower bolster is provided with waste material via hole.
As further improvement of the utility model, describedly beat the structure that bar is positioned in described stripper plate through described baffle plate and be: the described bar of beating is arranged with sheath outward, and described sheath one end is fixed on described train wheel bridge; Described baffle plate is provided with the first via hole matching with described sheath sizes, and described stripper plate is provided with and described sheath sizes first resigning hole that matches; The described bar of beating is through described the first via hole, and backstop is in described the first resigning hole.
As further improvement of the utility model, the structure that described sheath one end is fixed on described train wheel bridge is: described train wheel bridge is provided with clamping plate and enters piece, and described sheath is fixed on described clamping plate and enters on piece.
As further improvement of the utility model, described stopper section is positioned in described stripper plate, described punch through the structure of described stripper plate is: described stripper plate is provided with the second resigning hole matching with described stopper section size, described stripper plate is provided with the second via hole matching with described punch size, described stopper section backstop is in described the second resigning hole, and described punch is through described the second via hole.
As further improvement of the utility model, described stripper plate is provided with stripper plate and enters piece, and described stripper plate enters on piece corresponding described the second resigning hole that is provided with described the first resigning hole of matching with described sheath sizes, matches with described stopper section size and described the second via hole matching with described punch size.
The beneficial effects of the utility model are: the utility model provides a kind of aperture drift the anti-punching die that fractures, by drift is designed to two-part, be divided into and make bar and sub-drift, with respect to traditional drift, shortened the length of the sub-drift that plays stamping-out effect, upper die and lower die coordinate with corresponding structure, can effectively reduce the damage that fractures of drift, reduce and repair a die the time, ensure the security of mould, enhance productivity, guarantee the stability of producing, avoid the additional waste of production, reach the object that reduces production cost.And the radial width of punch is less than the radial width of stopper section, the radial width of punch is less than the radial width of making bar, is still the shape of three rank A punchings, can further reduce the damage that fractures of drift.Preferably, train wheel bridge is provided with clamping plate and enters piece, and sheath is fixed on clamping plate and enters on piece.Like this, when needs are changed sheath, can quick-detachment and installation.Preferably, stripper plate is provided with stripper plate and enters piece, and stripper plate enters on piece corresponding the second resigning hole that is provided with the first resigning hole of matching with sheath sizes, matches with stopper section size and the second via hole matching with punch size.Like this, when needs are changed drift, can quick-detachment and installation.
Accompanying drawing explanation
Fig. 1 is the utility model mold closing status architecture schematic diagram;
Fig. 2 is the utility model die opening state structural representation;
Fig. 3 is the structural representation that removes sheath in Fig. 2, makes bar and sub-drift.
By reference to the accompanying drawings, make the following instructions:
1---clamping plate 2---baffle plate
3---stripper plate 4---lower bolster
5---treating punching product 6---are made bar
7---sub-drift 8---stopper section
9---punch 10---sheath
11---first via hole 12---first resigning hole
13---second resigning hole 14---second via hole
Stripper plate enters piece in 15---clamping plate enter piece 16---
17---waste material via hole
The specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the anti-punching die that fractures of a kind of aperture drift, comprises upper die and lower die, and described patrix comprises train wheel bridge 1, baffle plate 2 and the stripper plate 3 that location arranges successively from top to bottom, between described train wheel bridge and described baffle plate, there is elastic space, described counterdie comprises lower bolster 4, treat that punching product 5 is located between described stripper plate and described lower bolster, separately be provided with two-part drift, described drift comprises that column makes bar 6 and be located at the described step-like sub-drift 7 that is of beating below bar, described sub-drift comprises stopper section 8 and is positioned at the punch 9 of below, described stopper section, the radial width of described punch is less than the radial width of described stopper section, the radial width of described punch is less than described radial width of making bar, the described bar of beating is positioned in described stripper plate through described baffle plate, described stopper section is positioned in described stripper plate, described punch is through described stripper plate, corresponding described punch, described lower bolster is provided with waste material via hole 17.Said structure is by being designed to two-part by drift, be divided into and make bar and sub-drift, with respect to traditional drift, shortened the length of the sub-drift that plays stamping-out effect, upper die and lower die coordinate with corresponding structure, can effectively reduce the damage that fractures of drift, reduce and repair a die the time, ensure the security of mould, enhance productivity, guarantee the stability of producing, avoid the additional waste of production, reach the object that reduces production cost.And the radial width of punch is less than the radial width of stopper section, the radial width of punch is less than the radial width of making bar, is still the shape of three rank A punchings, can further reduce the damage that fractures of drift.
Preferably, describedly beat the structure that bar is positioned in described stripper plate through described baffle plate and be: the described bar of beating is arranged with sheath 10 outward, and described sheath one end is fixed on described train wheel bridge; Described baffle plate is provided with the first via hole 11 matching with described sheath sizes, and described stripper plate is provided with and described sheath sizes first resigning hole 12 that matches; The described bar of beating is through described the first via hole, and backstop is in described the first resigning hole.
Preferably, the structure that described sheath one end is fixed on described train wheel bridge is: described train wheel bridge is provided with clamping plate and enters piece 15, and described sheath is fixed on described clamping plate and enters on piece.Like this, when needs are changed sheath, can quick-detachment and installation.
Preferably, described stopper section is positioned in described stripper plate, described punch through the structure of described stripper plate is: described stripper plate is provided with the second resigning hole 13 matching with described stopper section size, described stripper plate is provided with the second via hole 14 matching with described punch size, described stopper section backstop is in described the second resigning hole, and described punch is through described the second via hole.
Preferably, described stripper plate is provided with stripper plate and enters piece 16, and described stripper plate enters on piece corresponding described the second resigning hole that is provided with described the first resigning hole of matching with described sheath sizes, matches with described stopper section size and described the second via hole matching with described punch size.Like this, when needs are changed drift, can quick-detachment and installation.
Above embodiment is with reference to accompanying drawing, and preferred embodiment of the present utility model is elaborated.Those skilled in the art is by above-described embodiment being carried out to modification or the change on various forms, but do not deviate from the situation of essence of the present utility model, within all dropping on protection domain of the present utility model.
Claims (5)
1. the anti-punching die that fractures of aperture drift, is characterized in that: comprise upper die and lower die, described patrix comprises train wheel bridge (1), baffle plate (2) and the stripper plate (3) that location arranges successively from top to bottom, between described train wheel bridge and described baffle plate, there is elastic space, described counterdie comprises lower bolster (4), treat that punching product (5) is located between described stripper plate and described lower bolster, separately be provided with two-part drift, described drift comprises that column makes bar (6) and be located at the described step-like sub-drift (7) that is of beating below bar, described sub-drift comprises stopper section (8) and is positioned at the punch (9) of below, described stopper section, the radial width of described punch is less than the radial width of described stopper section, the radial width of described punch is less than described radial width of making bar, the described bar of beating is positioned in described stripper plate through described baffle plate, described stopper section is positioned in described stripper plate, described punch is through described stripper plate, corresponding described punch, described lower bolster is provided with waste material via hole (17).
2. aperture drift according to claim 1 prevents fractureing punching die, it is characterized in that: describedly beat the structure that bar is positioned in described stripper plate through described baffle plate and be: the described bar of beating is arranged with sheath (10) outward, and described sheath one end is fixed on described train wheel bridge; Described baffle plate is provided with the first via hole (11) matching with described sheath sizes, and described stripper plate is provided with and described sheath sizes the first resigning hole (12) that matches; The described bar of beating is through described the first via hole, and backstop is in described the first resigning hole.
3. the anti-punching die that fractures of aperture drift according to claim 2, is characterized in that: the structure that described sheath one end is fixed on described train wheel bridge is: described train wheel bridge is provided with clamping plate and enters piece (15), and described sheath is fixed on described clamping plate and enters on piece.
4. aperture drift according to claim 2 prevents fractureing punching die, it is characterized in that: described stopper section is positioned in described stripper plate, described punch through the structure of described stripper plate is: described stripper plate is provided with the second resigning hole (13) matching with described stopper section size, described stripper plate is provided with the second via hole (14) matching with described punch size, described stopper section backstop is in described the second resigning hole, and described punch is through described the second via hole.
5. aperture drift according to claim 4 prevents fractureing punching die, it is characterized in that: described stripper plate is provided with stripper plate and enters piece (16), described stripper plate enters on piece corresponding described the second resigning hole that is provided with described the first resigning hole of matching with described sheath sizes, matches with described stopper section size and described the second via hole matching with described punch size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320481737.0U CN203400976U (en) | 2013-08-07 | 2013-08-07 | Pinhole punch anti-fracture punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320481737.0U CN203400976U (en) | 2013-08-07 | 2013-08-07 | Pinhole punch anti-fracture punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203400976U true CN203400976U (en) | 2014-01-22 |
Family
ID=49936919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320481737.0U Withdrawn - After Issue CN203400976U (en) | 2013-08-07 | 2013-08-07 | Pinhole punch anti-fracture punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203400976U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104338828A (en) * | 2013-08-07 | 2015-02-11 | 江苏博俊工业科技股份有限公司 | Small hole punch breaking prevention punching die |
| CN105880355A (en) * | 2014-08-23 | 2016-08-24 | 嘉兴大道锻造技术咨询有限公司 | Thick plate fine punching blanking device |
| WO2016206038A1 (en) * | 2015-06-25 | 2016-12-29 | 冯旋宇 | Flanging and piercing metal mold |
-
2013
- 2013-08-07 CN CN201320481737.0U patent/CN203400976U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104338828A (en) * | 2013-08-07 | 2015-02-11 | 江苏博俊工业科技股份有限公司 | Small hole punch breaking prevention punching die |
| CN104338828B (en) * | 2013-08-07 | 2016-07-13 | 江苏博俊工业科技股份有限公司 | The anti-punching die that fractures of aperture drift |
| CN105880355A (en) * | 2014-08-23 | 2016-08-24 | 嘉兴大道锻造技术咨询有限公司 | Thick plate fine punching blanking device |
| WO2016206038A1 (en) * | 2015-06-25 | 2016-12-29 | 冯旋宇 | Flanging and piercing metal mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20160713 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |