CN203917564U - A kind of punch structure - Google Patents
A kind of punch structure Download PDFInfo
- Publication number
- CN203917564U CN203917564U CN201420175727.9U CN201420175727U CN203917564U CN 203917564 U CN203917564 U CN 203917564U CN 201420175727 U CN201420175727 U CN 201420175727U CN 203917564 U CN203917564 U CN 203917564U
- Authority
- CN
- China
- Prior art keywords
- boss
- jumper bar
- diameter
- punch structure
- flange position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000004080 punching Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model relates to a kind of punch structure, comprises flange position, jumper bar and cutting edge position, and flange position and cutting edge position, respectively at the two ends of jumper bar, is characterized in that, flange position is provided with boss on top, and the diameter of boss is slightly less than the diameter of jumper bar.The utility model has been set up boss at the top, flange position of punch structure, when boss is punching press, punch structure directly contacts the position of pressurized, the diameter of boss is slightly less than the diameter of jumper bar, can make punch structure in installation site slightly deflection in the situation that, the compression face of boss is all the time in jumper bar inside, can meet the requirement of strength of high-strength plate, and effectively prevent the fracture of flange position.
Description
Technical field
The utility model relates to Stamping Die Technology field, relates to or rather a kind of punch structure for punching press high-strength plate.
Background technology
Recent years, the application of a lot of automobile chassis high-strength steel constantly expands, and the application of the body shell high strength steel of some vehicle has reached 90%, and replacing ordinary low-carbon steel cold-rolled steel sheet with high-strength steel sheet is the main development direction of automobile steel material.High-strength plate is exactly that the material that strength ratio is general wants high, and even high a lot of times, and high-intensity surrender is also large, and it is than the more energy of general material require, and this energy, except distortion, is the friction between sheet material and mould to a great extent.High-strength plate is also more sticky, is not easy the demoulding.Meeting hardening in the time that material is stamped into shape, the degree difference of different steel hardening, so when high-strength plate is during at stamping-out, general Stamping Die Design is nowhere near, in punching production process, often there is the fracture of flange position, cutting edge and lose and take off the problems such as material is difficult.
Summary of the invention
The purpose of this utility model is, a kind of punch structure high-strength plate, that can prevent the fracture of flange position that is applicable to is provided.
To achieve these goals, the technical solution adopted in the utility model is: a kind of punch structure, comprise flange position, jumper bar and cutting edge position, flange position and cutting edge position are respectively at the two ends of jumper bar, it is characterized in that, flange position is provided with boss on top, and the diameter of boss is slightly less than the diameter of jumper bar.
The utility model has been set up boss at the top, flange position of punch structure, when boss is punching press, punch structure directly contacts the position of pressurized, the diameter of boss is slightly less than the diameter of jumper bar, can make punch structure in installation site slightly deflection in the situation that, the compression face of boss is all the time in jumper bar inside, can meet the requirement of strength of high-strength plate, and effectively prevent the fracture of flange position.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model punch structure.
Below in conjunction with accompanying drawing, the utility model is described in detail.
Detailed description of the invention
Referring to Fig. 1, punch structure comprises flange position 1, jumper bar 2 and cutting edge position 3.Flange position 1 is cylinder, in the upper end of jumper bar 2.Flange position 1 is provided with boss 11 on top, the diameter of boss 11 is slightly less than the diameter of jumper bar 2.Due in punching course, the deflection of punch structure on usually can occurrence positions, installs to such an extent that be not very just, adopts in this case common drift punching press high-strength plate, conventionally can make the fracture of flange position.The utility model has been set up boss at top, flange position, when boss is punching press, punch structure directly contacts the position of pressurized, the diameter of boss is slightly less than the diameter of jumper bar, can make punch structure in installation site slightly deflection in the situation that, the compression face of boss is all the time in jumper bar inside, can meet the requirement of strength of high-strength plate, and effectively prevent the fracture of flange position.For different high-strength plate stamping parts, the size of punch structure is not identical yet, and the difference between the diameter of boss 11 and the diameter of jumper bar 2 is not identical yet, and this difference is 2mm to the maximum, and large punch structure can be more greatly with respect to its difference of little punch structure.
Jumper bar 2 adopts segment design, and connection segment place adopts round-corner transition.Cutting edge position 3, in the lower end of jumper bar 2, is a round platform, and its conical surface is cutting edge.Because high-strength plate is more sticky, for ease of the demoulding, the cone angle at cutting edge position 3 is set to 4 °, and the A angle shown in Fig. 1 is 1/2 cone angle, equals 2 °.
Punch structure of the present utility model can effectively be avoided heating, the hot drift sticking to mould that causes in the time of punching press high-strength plate, and production efficiency can improve, and greatly increases die life.And structure is also very simple, without mould structure being made to large change, not only with low cost and technique is simple, mould assembling is also convenient.
Claims (2)
1. a punch structure, comprises flange position, jumper bar and cutting edge position, and flange position and cutting edge position are respectively at the two ends of jumper bar, it is characterized in that, flange position is provided with boss on top, and the diameter of boss is slightly less than the diameter of jumper bar, and described cutting edge position is that cone angle is the round platform of 4 °.
2. punch structure according to claim 1, is characterized in that, the diameter of described boss is less than at most the diameter 2mm of jumper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175727.9U CN203917564U (en) | 2014-04-01 | 2014-04-01 | A kind of punch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175727.9U CN203917564U (en) | 2014-04-01 | 2014-04-01 | A kind of punch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203917564U true CN203917564U (en) | 2014-11-05 |
Family
ID=51813445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175727.9U Expired - Lifetime CN203917564U (en) | 2014-04-01 | 2014-04-01 | A kind of punch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203917564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263098A (en) * | 2021-05-25 | 2021-08-17 | 成都宏明双新科技股份有限公司 | Thick stainless steel punching and cutting process |
-
2014
- 2014-04-01 CN CN201420175727.9U patent/CN203917564U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263098A (en) * | 2021-05-25 | 2021-08-17 | 成都宏明双新科技股份有限公司 | Thick stainless steel punching and cutting process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |