CN202861106U - Special-shaped plunger chip type scrap anti-leaping die - Google Patents
Special-shaped plunger chip type scrap anti-leaping die Download PDFInfo
- Publication number
- CN202861106U CN202861106U CN 201220610011 CN201220610011U CN202861106U CN 202861106 U CN202861106 U CN 202861106U CN 201220610011 CN201220610011 CN 201220610011 CN 201220610011 U CN201220610011 U CN 201220610011U CN 202861106 U CN202861106 U CN 202861106U
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- Prior art keywords
- die
- boss
- plunger chip
- special
- leaping
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- Expired - Fee Related
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Abstract
The utility model discloses a special-shaped plunger chip type scrap anti-leaping die which comprises a female die and a plunger chip, wherein a die cavity is formed in the female die, the plunger chip comprises a plunger chip body, bosses are arranged on at least one side of the plunger chip body, included angles between two sides of each boss and a plane, where the bosses are located, of the plunger chip body are both acute angles, and the die cavity of the female die corresponds to the plunger chip body in shape. Scrap plunged by the special-shaped plunger chip type scrap anti-leaping die is provided with a boss, wherein the boss of the scrap and a corresponding groove in the die cavity fit together in a buckled mode, and the scrap is not easy to bring out by the plunger chip due to big friction force. The special-shaped plunger chip type scrap anti-leaping die is especially suitable for punch shearing of samples with a special-shaped area to be punching sheared and low requirements of product size accuracy.
Description
Technical field
The utility model relates to a kind of mould, particularly a kind of punching mould.
Background technology
In general diel, often can run into when shearing profile, only shear on one side; because punch press runs up; often can be coming on the scrap belt, thus perhaps having oil to be bonded at above the waste material to take the edge of a knife above the drift out of weighs product wounded, and severe patient can break mould.
Particularly punching as shown in Figure 1 treat punching district 2 for abnormity treat punching sample 1 time, and since drift and die be difficult to process and treat punching district 2 corresponding polymorphic structures, therefore prior art becomes can cover the cuboid for the treatment of punching district 2 with the Cross section Design of punch body in design, must cause like this waste material of punching to have a plurality of limits not contact with the film chamber of die, frictional force between waste material and the die is little, waste material easily occurs jump out.
The utility model content
The technical problems to be solved in the utility model is: provide a kind of abnormal-shaped punch formula waste material anti-jump mould, be such that it will prevent the waste material under the punching to jump out die.
In order to solve the problems of the technologies described above, the utility model comprises die and drift, be provided with die cavity in the die, described drift comprises punch body, at least one side of punch body is provided with boss, the angle on the plane on the two sides of boss and the boss place punch body is acute angle, and the die cavity of die is corresponding with the punch body shape.
For the contact area of the die cavity that increases waste material and die, the angle of the two sides of described boss is 30 degree.
For the ease of processing, the end face of described boss is the plane.
For the ease of processing, be equipped with the rounding structure between the plane on the side of the side of described boss and end face and boss and the boss place punch body.
In order to prevent from damaging product, described punch body is provided with the limiting stand that the restriction punch body enters die depth.
The beneficial effects of the utility model: a boss is arranged on the waste material that the utility model mould sweeps away, and the corresponding groove of the boss of waste material in die cavity fastens, and frictional force is larger, and waste material is difficult for being taken out of by drift.Be particularly suitable for punching and treat that the punching district is special-shaped and the sample not high to the product size required precision.
Description of drawings
Fig. 1 treats punching sample structure schematic diagram;
Fig. 2 is that drift is in the perspective view for the treatment of on the punching sample;
Fig. 3 is the structural representation enlarged drawing of drift;
Among the figure: 1, treat the punching sample, 2, treat the punching district, 3, drift, 3-1, limit convex, 3-2, punch body, 3-3, boss.
The specific embodiment
A kind of specific embodiment as shown in Figure 3, it comprises die and drift 3, be provided with die cavity in the die, drift comprises punch body 3-2, the side of punch body 3-2 is provided with boss 3-3, the angle on the plane on the two sides of boss 3-3 and the boss 3-3 place punch body 3-2 is acute angle, so that boss 3-3 is dovetail shaped.The die cavity of die is corresponding with punch body 3-2 shape, that is: so that die has the groove of a dovetail groove shape.
The angle of the two sides of boss 3-3 is preferably 30 degree, and the waste material of going out like this can form two wedge angles, and two wedge angles are stuck in the die cavity, and waste material is difficult for jumping out.
The end face of boss 3-3 is preferably the plane, is convenient to like this process drift 3.
On drift 3, preferably also adopt following structure: be equipped with the rounding structure between the plane on the side of the side of boss 3-3 and end face and boss 3-3 and the boss 3-3 place punch body 3-2.Punch body 3-2 is provided with the limiting stand 3-1 that restriction punch body 3-2 enters die depth.
Operation principle: followingly be illustrated as example take the punching punching sample 1 for the treatment of shown in Figure 1.
The punching sample 1 for the treatment of shown in Figure 1 is placed on the die, as shown in Figure 2, drift 3 downward punching presses, on the waste material that sweeps away than treating that punching district 2 has more the boss of a dovetail type, the corresponding groove of the boss of waste material in die cavity fastens, and frictional force is larger, and waste material is difficult for being taken out of by drift.
Claims (5)
1. anti-jump mould of abnormal-shaped punch formula waste material, comprise die and drift, be provided with die cavity in the die, it is characterized in that: described drift comprises punch body, at least one side of punch body is provided with boss, the angle on the plane on the two sides of boss and the boss place punch body is acute angle, and the die cavity of die is corresponding with the punch body shape.
2. the anti-jump mould of abnormal-shaped punch formula waste material according to claim 1 is characterized in that: the angle of the two sides of described boss is 30 degree.
3. the anti-jump mould of abnormal-shaped punch formula waste material according to claim 1 and 2, it is characterized in that: the end face of described boss is the plane.
4. the anti-jump mould of abnormal-shaped punch formula waste material according to claim 3 is characterized in that: be equipped with the rounding structure between the plane on the side of the side of described boss and end face and boss and the boss place punch body.
5. the anti-jump mould of abnormal-shaped punch formula waste material according to claim 3 is characterized in that: described punch body is provided with the limiting stand that the restriction punch body enters die depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610011 CN202861106U (en) | 2012-11-19 | 2012-11-19 | Special-shaped plunger chip type scrap anti-leaping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610011 CN202861106U (en) | 2012-11-19 | 2012-11-19 | Special-shaped plunger chip type scrap anti-leaping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202861106U true CN202861106U (en) | 2013-04-10 |
Family
ID=48027864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220610011 Expired - Fee Related CN202861106U (en) | 2012-11-19 | 2012-11-19 | Special-shaped plunger chip type scrap anti-leaping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202861106U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941276A (en) * | 2012-11-19 | 2013-02-27 | 华一精密机械(昆山)有限公司 | Special-shaped punch type waste material jumping prevention mold |
| CN107971387A (en) * | 2017-11-24 | 2018-05-01 | 中山复盛机电有限公司 | Thickness material applied to punch forming lead frame is without chip die cut structural |
| CN107983823A (en) * | 2017-11-24 | 2018-05-04 | 中山复盛机电有限公司 | Thickness region without chip method for die cutting on lead frame |
-
2012
- 2012-11-19 CN CN 201220610011 patent/CN202861106U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941276A (en) * | 2012-11-19 | 2013-02-27 | 华一精密机械(昆山)有限公司 | Special-shaped punch type waste material jumping prevention mold |
| CN107971387A (en) * | 2017-11-24 | 2018-05-01 | 中山复盛机电有限公司 | Thickness material applied to punch forming lead frame is without chip die cut structural |
| CN107983823A (en) * | 2017-11-24 | 2018-05-04 | 中山复盛机电有限公司 | Thickness region without chip method for die cutting on lead frame |
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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: 20130410 Termination date: 20141119 |
|
| EXPY | Termination of patent right or utility model |