CN216262936U - Punching die for flat thin-wall die castings - Google Patents
Punching die for flat thin-wall die castings Download PDFInfo
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- CN216262936U CN216262936U CN202122988149.3U CN202122988149U CN216262936U CN 216262936 U CN216262936 U CN 216262936U CN 202122988149 U CN202122988149 U CN 202122988149U CN 216262936 U CN216262936 U CN 216262936U
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Abstract
The utility model belongs to the technical field of punching dies, in particular to a flat thin-wall die casting punching die which comprises an upper die, wherein a lower die is arranged below the upper die, a positioning pin is arranged on the lower surface of the upper die, a pin hole in inserted connection with the positioning pin is arranged above the lower die, a punching tool is arranged below the upper die, a first-order knife edge is arranged at the lower end of the punching tool, a second-order knife edge is arranged above the first-order knife edge, a punching workpiece is placed on the surface of the lower die, the punching precision is controlled in priority by arranging the first-order knife edge and the second-order knife edge, the first-order knife edge rough punching is preferentially realized, the slag ladle flow passage characteristic is removed by punching, and the product parting line rough edge is removed by punching the second-order knife edge, so that the defects of pulling on the surface of a product, material shortage and the like caused by the fact that aluminum materials are stuck on the knife edge can be effectively solved, and the yield is improved, waste is reduced. Meanwhile, the maintenance frequency of removing the adhesive of the die can be reduced, the working hours are saved, and the efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of punching dies, and particularly relates to a flat-plate thin-wall die casting punching die.
Background
The stamping die is a special process equipment for processing metal or nonmetal into parts or semi-finished products in cold stamping processing, and is called as a cold stamping die. The punching is a pressure processing method for obtaining required parts by applying pressure to the materials at room temperature by using a die mounted on a press machine to generate separation or plastic deformation, and the die can be divided into five types, namely a punching shear die, a bending die, a drawing die, a forming die, a compression die and the like according to different product processing methods, wherein the punching shear die finishes work by shearing action and commonly comprises a shearing die, a blanking die, a punching die, a trimming die, an edge trimming die, a hole drawing die and a punching die.
Original die-cut mould is at big die-cut operation in-process in batches, aluminium material high frequency glues on the die-cut edge of a knife, cause the die-cut regional surface of product to appear different degree strain, the starved appearance is bad, it is extravagant big to cause the product, die-cut mould is got rid of the sizing and is maintained the frequency height, cause the waste of working hour, die-cut mould can not realize die-cut priority when using, the die-cut precision of uncontrollable, lack the positioning measure, the above-mentioned problem is solved to the die-cut mould of dull and stereotyped class thin wall die casting of now providing.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a flat-plate thin-wall die casting punching die which has the characteristics of improving efficiency, reducing waste and positioning.
In order to achieve the purpose, the utility model provides the following technical scheme: the punching die for the flat-plate thin-wall die castings comprises an upper die, wherein a lower die is arranged below the upper die, a positioning pin is arranged on the lower surface of the upper die, a pin hole connected with the positioning pin in an inserting mode is formed in the upper portion of the lower die, a punching tool is arranged below the upper die, a first-order knife edge is arranged at the lower end of the punching tool, a second-order knife edge is arranged above the first-order knife edge, and a punching workpiece is placed on the surface of the lower die.
According to the preferable technical scheme of the punching die for the flat-plate thin-wall die casting, the number of the punching tools is two, the two punching tools are symmetrically arranged and distributed on the lower surface of the upper die, and a positioning pin is arranged inside each punching tool.
As the preferable technical scheme of the punching die for the flat-plate thin-wall die castings, the second-order knife edge is arranged on the upper end surface of the first-order knife edge, the first-order knife edge and the second-order knife edge are arranged in a staggered step mode, and the diameter of the inner wall of the second-order knife edge is slightly smaller than that of the first-order knife edge.
As the preferable technical scheme of the punching die for the flat-plate thin-wall die casting, the upper die and the lower die are connected through the insertion of the positioning pins and the pin holes.
As the preferable technical scheme of the flat-plate thin-wall die casting die-cutting die, the first-order knife edge and the second-order knife edge are covered on the surface of the die-cutting tool, the height of the second-order knife edge is higher than that of the first-order knife edge, and the upper end of the second-order knife edge is flush with that of the die-cutting tool.
Compared with the prior art, the utility model has the beneficial effects that: the method has the advantages that the first-order knife edge and the second-order knife edge are arranged to realize priority control punching precision, the first-order knife edge is preferentially subjected to rough punching, the slag ladle flow passage characteristics are removed in a punching mode, and then the product parting line burrs are removed in a second-order knife edge punching mode. Meanwhile, the frequency of cleaning the die adhesive materials can be reduced, the working time is saved, the efficiency is improved, the positioning effect is achieved by arranging the positioning pins and the pin holes, the butt joint precision between the upper die and the lower die is improved, and the punching precision and the punching effect of a punching workpiece are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the upper mold of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of a piercing cutter according to the present invention;
in the figure: 1. an upper die; 2. a lower die; 3. positioning pins; 4. punching a cutter; 5. a pin hole; 6. stamping a workpiece; 7. a first order knife edge; 8. a second order edge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the punching die for the flat-plate thin-wall die castings comprises an upper die 1, a lower die 2 is arranged below the upper die 1, a positioning pin 3 is arranged on the lower surface of the upper die 1, a pin hole 5 connected with the positioning pin 3 in an inserting mode is formed in the upper portion of the lower die 2, a punching tool 4 is arranged below the upper die 1, a first-order knife edge 7 is arranged at the lower end of the punching tool 4, a second-order knife edge 8 is arranged above the first-order knife edge 7, and a punching workpiece 6 is placed on the surface of the lower die 2.
Specifically, the number of die-cut cutters 4 is two and is the symmetry and sets up the lower surface that distributes at last mould 1, and the inside of every die-cut cutter 4 all is provided with locating pin 3.
Specifically, the second-order knife edge 8 is arranged on the upper end surface of the first-order knife edge 7, the first-order knife edge 7 and the second-order knife edge 8 are arranged in a staggered step mode, and the diameter of the inner wall of the second-order knife edge 8 is slightly smaller than that of the first-order knife edge 7.
Specifically, the upper die 1 and the lower die 2 are connected through the insertion of the positioning pin 3 and the pin hole 5.
Specifically, the first-order knife edge 7 and the second-order knife edge 8 are arranged on the surface of the punching cutter 4 in a covering mode, the height of the second-order knife edge 8 is higher than that of the first-order knife edge 7, and the upper end of the second-order knife edge 8 is flush with the punching cutter 4.
The working principle and the using process of the utility model are as follows: when the punching die is used, a punching workpiece 6 to be punched is placed on the upper surface of a lower die 2, then the upper die 1 is punched downwards through a control center, a first-order knife edge 7 at the lower end of a punching tool 4 is punched with the surface of the punching workpiece 6 preferentially, then the punched surface is punched secondarily through a second-order knife edge 8 arranged above the first-order knife edge 7, and parting line burrs of a product are removed. Can reduce simultaneously and clear away mould sizing maintenance frequency, save man-hour, raise the efficiency, go up the effect that the pinhole 5 of punching cutter 4 and the bed die 2 top of the setting of mould 1 lower surface was seted up and is inserted to close and be connected and play the location, improve the precision of butt joint between mould 1 and the bed die 2, promote the punching precision and the die-cut effect of punching press work piece 6.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The punching die for the flat-plate type thin-wall die casting is characterized in that: the punching die comprises an upper die (1), a lower die (2) is arranged below the upper die (1), a positioning pin (3) is arranged on the lower surface of the upper die (1), a pin hole (5) connected with the positioning pin (3) in an inserting mode is formed in the upper portion of the lower die (2), a punching tool (4) is arranged below the upper die (1), a first-order knife edge (7) is arranged at the lower end of the punching tool (4), a second-order knife edge (8) is arranged above the first-order knife edge (7), and a punching workpiece (6) is placed on the surface of the lower die (2).
2. The flat-plate type thin-walled die casting die cutting die according to claim 1, characterized in that: the number of die-cut cutter (4) is two and is the symmetry and sets up the lower surface that distributes at last mould (1), every the inside of die-cut cutter (4) all is provided with locating pin (3).
3. The flat-plate type thin-walled die casting die cutting die according to claim 1, characterized in that: the second-order knife edge (8) is arranged on the upper end surface of the first-order knife edge (7), the first-order knife edge (7) and the second-order knife edge (8) are arranged in staggered stages, and the diameter of the inner wall of the second-order knife edge (8) is slightly smaller than that of the first-order knife edge (7).
4. The flat-plate type thin-walled die casting die cutting die according to claim 1, characterized in that: the upper die (1) and the lower die (2) are connected in an inserting mode through the positioning pins (3) and the pin holes (5).
5. The flat-plate type thin-walled die casting die cutting die according to claim 1, characterized in that: the first-order knife edge (7) and the second-order knife edge (8) are arranged on the surface of the punching cutter (4) in a covering mode, the height of the second-order knife edge (8) is higher than that of the first-order knife edge (7), and the upper end of the second-order knife edge is flush with the punching cutter (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122988149.3U CN216262936U (en) | 2021-12-01 | 2021-12-01 | Punching die for flat thin-wall die castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122988149.3U CN216262936U (en) | 2021-12-01 | 2021-12-01 | Punching die for flat thin-wall die castings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216262936U true CN216262936U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122988149.3U Active CN216262936U (en) | 2021-12-01 | 2021-12-01 | Punching die for flat thin-wall die castings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216262936U (en) |
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2021
- 2021-12-01 CN CN202122988149.3U patent/CN216262936U/en active Active
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