CN221246651U - Secondary punching die set of die-casting support - Google Patents
Secondary punching die set of die-casting support Download PDFInfo
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- CN221246651U CN221246651U CN202323178493.1U CN202323178493U CN221246651U CN 221246651 U CN221246651 U CN 221246651U CN 202323178493 U CN202323178493 U CN 202323178493U CN 221246651 U CN221246651 U CN 221246651U
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- 238000004080 punching Methods 0.000 title claims abstract description 79
- 238000004512 die casting Methods 0.000 title claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 42
- 238000005266 casting Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000750 progressive effect Effects 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a secondary punching die set of a die-casting bracket, which comprises a primary rough cutting die for separating a pouring gate and a casting and a secondary fine cutting die for precisely punching burrs of the whole outline of the casting, wherein the primary rough cutting die comprises a lower punching die and an upper punching die, two upper punching edges are arranged on the two upper punching dies, and the shapes of the two upper punching edges are complete casting outlines. According to the utility model, the pouring gate is separated from the casting through the primary rough cutting die, the thicker pouring gate is precut, the secondary fine cutting die is used for carrying out deeper punching through the two punching upper knife edges of the complete product outline, the precise punching operation is carried out on burrs of the whole outline of the casting, the punching precision is ensured to optimize the processing process through the combination of the dies which are sequentially progressive, the casting is gradually punched, the product quality of the casting is ensured, the service life of the die is prolonged, the yield is stable, and the benefit is improved.
Description
Technical Field
The utility model relates to the technical field of punching dies of automobile parts, in particular to a secondary punching die set of a die-casting bracket.
Background
With the rapid development of the domestic automobile industry, millions of small-sized automobiles are sold in year, the competition of the automobile industry is vigorous, and under the general trend of the development of the industry, the problem of improving the production efficiency of automobile parts is unchanged. The accurate die-cutting die is used as an important tool for improving quality and enhancing efficiency of the automobile aluminum castings, the special material cakes of the die-cutting die, namely pouring channels, need to be removed through the die-cutting die, after die-cutting, the products also have the differences of burrs, one-step forming dimensional accuracy and the like, the quality and the qualification rate of the products are ensured through manpower, the yield is low and unstable, and process upgrading is needed urgently.
Disclosure of utility model
In view of the problems existing in the prior art, the utility model aims to provide a secondary punching die set of a die-casting bracket, which can prolong the service life of a die, improve punching precision and improve the deburring processing efficiency and the process quality stability of products by combining primary rough cutting with secondary fine cutting.
In order to achieve the above object, the present utility model adopts the following technical scheme: a secondary die cutting die set for die casting a support, comprising: the primary rough cutting die comprises a lower die and an upper die, a product positioning and placing block is arranged at the middle position of the upper end face of the lower die, a product pre-fixing device is arranged at the middle position of the upper die, a lower cutting edge and an upper cutting edge for punching are respectively and correspondingly arranged on the lower die and the upper die, the secondary rough cutting die comprises a lower die and an upper die, a product positioning and placing block is arranged at the middle position of the upper end face of the lower die, a product pre-fixing device is arranged at the middle position of the upper die, and the upper cutting edge is in a complete shape.
As a preferable scheme of the utility model, the one-punch product pre-fixing device comprises a product positioning pre-pressing block and a pre-pressing block spring plate, wherein the product positioning pre-pressing block is movably arranged in the middle of the one-punch upper die, the pre-pressing block spring plate is arranged in the one-punch upper die, and the product positioning pre-pressing block is connected with the pre-pressing block spring plate through a spring.
As a preferable scheme of the utility model, the structure of the first punching product positioning and placing block, the second punching product positioning and placing block, the first punching product pre-fixing device and the second punching product pre-fixing device are the same.
As a preferable scheme of the utility model, the first punching lower die and the second punching lower die are respectively provided with two guide posts which are bilaterally symmetrical, the first punching upper die and the second punching upper die are respectively provided with a guide sleeve corresponding to the guide posts, and the guide sleeves are sleeved with the guide posts.
As a preferable scheme of the utility model, the first punching lower die and the second punching lower die are respectively provided with a lower limit column, and the number of the lower limit columns is four and the lower limit columns are respectively arranged on two sides of the guide column.
As a preferable scheme of the utility model, the bottoms of the first punching lower die and the second punching lower die are respectively provided with die feet.
By adopting the technical scheme, the utility model has the following beneficial effects:
According to the utility model, the pouring gate and the casting are separated through the primary rough cutting die, the thicker pouring gate is precut, the burrs of the whole outline of the casting are precisely punched through the secondary punching upper knife edge of the whole outline of the product arranged on the secondary fine cutting die, so that punching operation is completed, the progressive dies are combined for use, the punching precision optimizing processing process is ensured, the casting is gradually punched, the product quality of the casting is ensured, the service life of the die is prolonged, the yield is stable, and the benefit is improved.
Drawings
FIG. 1 is a schematic diagram of a primary rough cutting die structure of the present utility model;
FIG. 2 is a schematic diagram of a secondary fine cutting die structure according to the present utility model;
FIG. 3 is a schematic view of a die strip casting according to the present utility model.
In the figure: 1. a lower die; 2. a punch upper die; 3. a mold foot; 4. a punching down knife edge; 5. a punching product positioning and placing block; 6. pre-pressing a spring plate; 7. positioning and pre-pressing a product; 8. guide sleeve; 9. a punching upper knife edge; 10. a guide post; 11. a lower limit column; 12. a second punching lower die; 13. punching an upper die; 14. positioning and placing blocks of the second punching products; 15. and (5) punching an upper knife edge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
As shown in fig. 1 to 3, a specific embodiment of a secondary punching die set for die-casting a bracket according to the present utility model includes: the primary rough cutting die comprises a lower die 1 and an upper die 2, a product positioning and placing block 5 is arranged at the middle position of the upper end face of the lower die 1, a product pre-fixing device is arranged at the middle position of the upper die 2, a lower die 4 and an upper die 9 for punching are correspondingly arranged on the lower die 1 and the upper die 2 respectively, the secondary rough cutting die comprises a lower die 12 and an upper die 13, a product positioning and placing block 14 is arranged at the middle position of the upper end face of the lower die 12, a product pre-fixing device is arranged at the middle position of the upper end face of the upper die 13, a product pre-pressing block 15 is arranged on the upper die 13, the shape of the upper die 15 is the outline of the cast, the product is completely arranged on the upper die 13, the product contour is completely arranged on the upper die 13, the product is completely arranged on the upper die, the spring plate 7 is arranged at the middle position of the upper die 6, and the spring plate 7 can be pre-pressed through the spring plate 7, and the spring plate 7 is arranged at the pre-pressing block 6, and the spring plate 7 can be pre-pressed, and the spring plate 6 is arranged at the pre-pressing position of the upper die 6.
Two guide posts 10 and four lower limit posts 11 which are bilaterally symmetrical are arranged on the first punching lower die 1 and the second punching lower die 12, guide sleeves 8 are arranged on the first punching upper die 2 and the second punching upper die 13 corresponding to the guide posts 10, and the guide sleeves 8 are sleeved with the guide posts 10, so that poor processing or die damage caused by die dislocation is prevented; the lower limit posts 11 are respectively arranged at two sides of the guide post 10, so that damage caused by excessive extrusion of a die is avoided, direct knife edge butt collision can be avoided, a certain butt shearing gap is reserved, and the damage to the knife edge is avoided, so that the service life is prolonged; the bottoms of the first punching lower die 1 and the second punching lower die 12 are provided with die feet 3, and the die feet 3 are used for die installation.
In this embodiment, the difference between the secondary fine cutting die and the primary rough cutting die is that the two upper punch edges 15 of the two upper punch dies 13 are the complete product profile, and the two lower punch dies 12 remove the lower edges, which are the same; the main working contents of the rough cutting die are as follows: rough cutting runner, rough cutting large hole and fine cutting small hole; the main working contents of the fine cutting die are as follows: fine cutting the appearance and fine cutting the macropores.
The working principle of the utility model is as follows: the method comprises the steps of putting a product into a primary rough cutting die, setting the action stroke of an oil press, putting a primary die piece of a runner to be cut into the product, and then pressing down an upper die 2 and acting together with a lower die 1; the product positioning pre-pressing block 7 contacts the product firstly, and keeps a certain pressure to fix the product all the time under the action of a spring, as the oil press continues to move downwards, the upper punching blade 9 and the lower punching blade 4 are oppositely sheared, so that a material channel is separated from the product, the upper and lower blades avoid direct blade contact through the action of the lower limiting column 11, a certain shearing clearance is reserved, the damage blade is avoided, the service life is reduced, the material channel notch of the roughly cut product has higher residues, the roughly cut product is placed into a secondary fine cutting die, the two upper punching die 13 is pressed downwards and jointly acts with the two lower punching die 12 by setting the action stroke of the oil press, and the two upper punching blade 15 of the complete product profile arranged on the two upper punching die 13 is subjected to deeper than the position of the rough cutting die along with the continuous descending of the oil press, so that the punching operation is completed.
The components herein are all common standard components or components known to those skilled in the art, and the structures and principles thereof are known by those skilled in the art through technical manuals or through routine experimental methods, so that they are not described herein.
Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.
Claims (6)
1. A secondary die cutting die set for die casting a support, comprising: a mould is cut to secondary that is used for separating pouring gate and foundry goods roughly to cut mould and is used for carrying out the precision die-cut to the burr of the whole profile of foundry goods, its characterized in that:
The primary rough cutting die comprises a lower die (1) and an upper die (2), wherein a product positioning and placing block (5) is arranged in the middle of the upper end face of the lower die (1), a product pre-fixing device is arranged in the middle of the upper die (2), and a lower cutting edge (4) and an upper cutting edge (9) for punching are correspondingly arranged on the lower die (1) and the upper die (2) respectively;
the secondary fine cutting die comprises a secondary punching lower die (12) and a secondary punching upper die (13), a secondary punching product positioning and placing block (14) is arranged in the middle of the upper end face of the secondary punching lower die (12), a secondary punching product pre-fixing device is arranged in the middle of the secondary punching upper die (13), a secondary punching upper cutting edge (15) is arranged on the secondary punching upper die (13), and the shape of the secondary punching upper cutting edge (15) is a complete casting outline.
2. A secondary die set for die casting a stent as defined in claim 1 wherein: the product pre-fixing device comprises a product positioning pre-pressing block (7) and a pre-pressing block spring plate (6), wherein the product positioning pre-pressing block (7) is movably arranged at the middle position of the upper die (2) in a punching mode, the pre-pressing block spring plate (6) is arranged in the upper die (2) in a punching mode, and the product positioning pre-pressing block (7) is connected with the pre-pressing block spring plate (6) through a spring.
3. A secondary die set for die casting a stent as defined in claim 2 wherein: the structure of the first punching product positioning and placing block (5) and the second punching product positioning and placing block (14), the structure of the first punching product pre-fixing device and the structure of the second punching product pre-fixing device are the same.
4. A secondary die set for die casting a stent as defined in claim 1 wherein: two guide posts (10) which are bilaterally symmetrical are arranged on the first punching lower die (1) and the second punching lower die (12), guide sleeves (8) are arranged on the first punching upper die (2) and the second punching upper die (13) corresponding to the guide posts (10), and the guide sleeves (8) are sleeved with the guide posts (10).
5. A secondary die set for die casting a stent as defined in claim 4 wherein: the lower limiting columns (11) are arranged on the first punching lower die (1) and the second punching lower die (12), and the lower limiting columns (11) are four and are respectively arranged on two sides of the guide column (10).
6. A secondary die set for die casting a stent as defined in claim 1 wherein: the bottoms of the first punching lower die (1) and the second punching lower die (12) are respectively provided with a die foot (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323178493.1U CN221246651U (en) | 2023-11-23 | 2023-11-23 | Secondary punching die set of die-casting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323178493.1U CN221246651U (en) | 2023-11-23 | 2023-11-23 | Secondary punching die set of die-casting support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221246651U true CN221246651U (en) | 2024-07-02 |
Family
ID=91650247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323178493.1U Active CN221246651U (en) | 2023-11-23 | 2023-11-23 | Secondary punching die set of die-casting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221246651U (en) |
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2023
- 2023-11-23 CN CN202323178493.1U patent/CN221246651U/en active Active
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