CN210847881U - Stamping die for reducing product section - Google Patents
Stamping die for reducing product section Download PDFInfo
- Publication number
- CN210847881U CN210847881U CN201921614748.5U CN201921614748U CN210847881U CN 210847881 U CN210847881 U CN 210847881U CN 201921614748 U CN201921614748 U CN 201921614748U CN 210847881 U CN210847881 U CN 210847881U
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- die
- product
- base plate
- stamping
- reducing
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- 239000000872 buffer Substances 0.000 claims abstract description 22
- 230000035939 shock Effects 0.000 claims description 10
- 238000004080 punching Methods 0.000 abstract description 17
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The utility model discloses a reduce sectional stamping die of product, this reduce sectional stamping die of product includes: the lower surface of the upper die is provided with a convex die through an accommodating groove, the convex die is positioned in the accommodating groove, and the lower surface of the convex die and the lower surface of the upper die are positioned on the same horizontal plane; the lower mould includes die body and backing plate down, and die body and backing plate are equipped with the recess corresponding to the position of terrace die down, are equipped with the buffering clearance between backing plate and the die body down, and die body up end is equipped with four sleeves that are central symmetric distribution down, and it has the lift post of one end fixed mounting terminal surface under the backing plate to peg graft on telescopic top, fixedly connected with buffer spring between the other end of lift post and the telescopic bottom inner wall. The utility model discloses a when the punching press, for the product provides buffer distance, reduce the instantaneous impact force of punching press power to the product, have the sectional advantage of reduction product.
Description
Technical Field
The utility model relates to a technical field is made to the mould, especially relates to a reduce sectional stamping die of product.
Background
The essential difference exists in the technological characteristics of the fine blanking process and the common blanking process, the tearing of the plate is controlled in the blanking process of the common blanking process, and the tearing of the plate is controlled in the best way during the blanking process of the fine blanking process. The fine blanking is always kept as a whole before the parts are separated from the sheet metal, and the sheet metal is always in the plastic deformation process in the fine blanking process.
However, in the process of stamping a product by the fine blanking die, because the instantaneous impact force during stamping is large, the surface of the product is easy to break or break, and the processing of the product and the working efficiency of the fine blanking die are seriously affected, so that the reduction of the fracture condition of the product during fine blanking is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
Therefore, a stamping die for reducing the product section is needed to be provided aiming at the technical problem that the product section is easy to appear in the fine stamping process.
A stamping die for reducing the section of a product, comprising: the lower surface of the upper die is provided with a male die through an accommodating groove, the male die is positioned in the accommodating groove, and the lower surface of the male die and the lower surface of the upper die are positioned on the same horizontal plane; the lower die comprises a lower die body and a base plate, a groove is formed in the position, corresponding to the male die, of the lower die body and the base plate, a buffer gap S is formed between the base plate and the lower die body, four sleeves are arranged on the upper end face of the lower die body and are distributed in a central symmetry mode, a lifting column is inserted into the top end of each sleeve, one end of each lifting column is fixedly installed on the lower end face of the base plate, and a buffer spring is fixedly connected between the other end of each lifting column and the inner wall of the bottom of each sleeve.
In one embodiment, the lower surface of the base plate is provided with a plurality of guide grooves which are distributed in a central symmetry manner, guide columns are inserted in the guide grooves, and the bottom ends of the guide columns are fixedly arranged on the upper end surface of the lower die body.
In one embodiment, a plurality of notches are symmetrically distributed on one side surface of the lower die body opposite to the base plate, and rubber shock-absorbing pads are arranged in the notches.
In one embodiment, the lower mold body and the base plate are provided with yielding grooves matched with the sleeve at positions corresponding to the sleeve, and the top end of the sleeve is inserted into the yielding grooves on the base plate.
In one embodiment, the distance between two shock absorption pads which are opposite in the vertical direction is smaller than the height of the buffer gap, and the distance between the inner wall at the top of the guide groove and the top end of the guide column is larger than the height of the buffer gap.
In one embodiment, a top plate matched with the male die is arranged in the groove, and the upper surface of the top plate and the upper surface of the backing plate are located on the same horizontal plane.
In one embodiment, the lifting column is an interference fit with the sleeve.
In one embodiment, the upper die, the male die and the top plate are all connected with a cylinder.
Above-mentioned reduce sectional stamping die of product, through setting up buffer clearance and buffer spring, make in stamping process, it is close to the lower mould in step under two cylinder effects with the terrace die to go up the mould, after last mould and terrace die and stamping workpiece contact, go up mould stop motion, and the terrace die continues down die body one side motion under the cylinder effect, this time of starting till the stamping workpiece is by the punching press from this moment in, the backing plate can be through lift post compression buffer spring, when making the terrace die exert the punching press power to the stamping workpiece, the stamping workpiece has the better adaptation punching press power of process of a buffering, when can preventing instantaneous contact, punching press power instantaneous release causes the stamping workpiece fracture, and then make this stamping die have the effect that can reduce the product section.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a stamping die for reducing product cross-section;
fig. 2 is an enlarged schematic view of a portion a in the embodiment shown in fig. 1.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Please refer to fig. 1 and 2 together, the present invention provides a stamping die for reducing product cross section, which includes an upper die 10 and a lower die 20 arranged oppositely, wherein the lower surface of the upper die 10 is provided with a male die 100 through a receiving groove 101, the male die 100 is located in the receiving groove 101, and the lower surface of the male die 100 and the lower surface of the upper die 10 are located on the same horizontal plane.
The lower die 20 comprises a lower die body 200 and a base plate 201, the lower surface of the base plate 201 is provided with a plurality of guide grooves 206 which are distributed in a central symmetry manner, guide posts 207 are inserted in the guide grooves 206, the bottom ends of the guide posts 207 are fixedly mounted on the upper end surface of the lower die body 200, and the base plate 201 moves in the range of the buffer gap S1 through the limiting effect of the guide grooves 206 and the guide posts 207, so that the movement direction of the base plate 201 is vertical downward, the accuracy of the stamping position of a stamping part is ensured, and the base plate cannot be changed due to movement.
A plurality of notches 210 that are central symmetric distribution are all seted up to the side that die body 200 and backing plate 201 are relative down, be equipped with rubber shock pad 211 in the notch 210, through addding rubber shock pad 211, make the deformability who utilizes rubber shock pad 211 to have, reduce the impact force when contacting between backing plate 201 and the die body 200 down, especially, in the twinkling of an eye that die body 200 and backing plate 201 contact down, the stamping workpiece begins promptly by the punching press, therefore, utilize rubber shock pad 211's further buffer effect, can reduce the instantaneous impact force that the stamping workpiece received when being punched press
In one embodiment, the lower surface of the shock pad is a plane, and the displacement force of the rubber shock pad 211 after compression is reduced by using the stable contact performance of two planes, so as to further improve the motion stability of the pad 201, the distance between two shock pads opposite to each other in the vertical direction is smaller than the height of the buffer gap S1, and the distance between the inner wall of the top of the guide groove 206 and the top end of the guide post 207 is larger than the height of the buffer gap S1.
In an embodiment, the positions of the lower die body 200 and the cushion plate 201 corresponding to the punch 100 are provided with grooves 202, the grooves 202 are internally provided with top plates 208 matched with the punch 100, the upper surfaces of the top plates 208 and the cushion plate 201 are located on the same horizontal plane, and in the whole process of punching, the top plates 208 are matched with the punch 100 to always keep an effective clamping effect on the punching, so that the punching is in a stable state, and the situation that the cross section occurs in product punching can be further reduced.
In an embodiment, the upper die 10, the punch 100 and the top plate 208 are all connected with the cylinder 212, a buffer gap S1 is provided between the base plate 201 and the lower die body 200, the upper end surface of the lower die body 200 is provided with four sleeves 203 which are distributed in a central symmetry manner, the top end of each sleeve 203 is inserted with a lifting column 204 of which one end is fixedly installed on the lower end surface of the base plate 201, the lifting columns 204 are in interference fit with the sleeves 203, a buffer spring 205 is fixedly connected between the other end of each lifting column 204 and the inner wall of the bottom of the corresponding sleeve 203, the positions of the lower die body 200 and the corresponding base plate 201 to the corresponding sleeve 203 are all provided with yielding grooves 209 which are matched with the corresponding sleeves 203, and the top end of the corresponding.
The working principle of the stamping die for reducing the product section is as follows: in the working process, a stamping part is placed on the upper surface of the cushion plate 201 at a position corresponding to the groove 202, then the air cylinder 212 is started to drive the upper die 10 and the punch 100 to synchronously approach the lower die 20, after the lower surfaces of the upper die 10 and the punch 100 are contacted with the stamping part, the upper die 10 is stopped to move, the punch 100 is enabled to continue moving, the punch 100 applies punching force to the cushion plate 201 through the stamping part, at the moment, the cushion plate 201 compresses the buffer spring 205 through the lifting column 204 and moves to one side of the lower die body 200 within the range of the buffer gap S1, the stamping part buffers the punching force of the punch 100 by following the movement of the cushion plate 201 under the action of the punching force of the punch 100, until two rubber shock pads 211 which are opposite in the vertical direction are contacted, the cushion plate 201 cannot continue moving, at the moment, the stamping part 100 is matched with the groove 202 to realize the punching of the punching, therefore, the bearing of the punching pressure has a certain adaptation process by using the, and the instantaneous impact force received when the stamping part is instantaneously contacted with the male die 100 is reduced, and the stamping part is effectively prevented from being broken.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A stamping die for reducing the cross section of a product is characterized by comprising: the lower surface of the upper die is provided with a male die through an accommodating groove, the male die is positioned in the accommodating groove, and the lower surface of the male die and the lower surface of the upper die are positioned on the same horizontal plane;
the lower die comprises a lower die body and a base plate, a groove is formed in the position, corresponding to the male die, of the lower die body and the base plate, a buffer gap S is formed between the base plate and the lower die body, four sleeves are arranged on the upper end face of the lower die body and are distributed in a central symmetry mode, a lifting column is inserted into the top end of each sleeve, one end of each lifting column is fixedly installed on the lower end face of the base plate, and a buffer spring is fixedly connected between the other end of each lifting column and the inner wall of the bottom of each sleeve.
2. The stamping die for reducing the product section according to claim 1, wherein the lower surface of the base plate is provided with a plurality of guide grooves which are distributed in a central symmetry manner, guide posts are inserted in the guide grooves, and the bottom ends of the guide posts are fixedly arranged on the upper end surface of the lower die body.
3. The stamping die for reducing the product section as claimed in claim 2, wherein a plurality of notches are formed in a side surface of the lower die body opposite to the base plate, the notches are symmetrically distributed, and rubber shock-absorbing pads are arranged in the notches.
4. The stamping die for reducing the product section according to claim 1, wherein the lower die body and the base plate are provided with yielding grooves corresponding to the sleeve, and the top end of the sleeve is inserted into the yielding grooves on the base plate.
5. A stamping die for reducing product section as claimed in claim 3, wherein the distance between two vertically opposite shock absorbing pads is less than the height of the buffer gap, and the distance between the top inner wall of the guide slot and the top end of the guide post is greater than the height of the buffer gap.
6. The stamping die for reducing the section of a product as claimed in claim 1, wherein a top plate matched with the male die is arranged in the groove, and the upper surface of the top plate and the upper surface of the backing plate are located on the same horizontal plane.
7. A reduced product section press die as claimed in claim 1, wherein the lifting columns are an interference fit with the sleeve.
8. The stamping die for reducing the section of a product as claimed in claim 6, wherein the upper die, the male die and the top plate are all connected with air cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614748.5U CN210847881U (en) | 2019-09-26 | 2019-09-26 | Stamping die for reducing product section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614748.5U CN210847881U (en) | 2019-09-26 | 2019-09-26 | Stamping die for reducing product section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210847881U true CN210847881U (en) | 2020-06-26 |
Family
ID=71304311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614748.5U Expired - Fee Related CN210847881U (en) | 2019-09-26 | 2019-09-26 | Stamping die for reducing product section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210847881U (en) |
-
2019
- 2019-09-26 CN CN201921614748.5U patent/CN210847881U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |