CN210080491U - High-precision punching needle structure assembly for die - Google Patents
High-precision punching needle structure assembly for die Download PDFInfo
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- CN210080491U CN210080491U CN201920729291.6U CN201920729291U CN210080491U CN 210080491 U CN210080491 U CN 210080491U CN 201920729291 U CN201920729291 U CN 201920729291U CN 210080491 U CN210080491 U CN 210080491U
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- punching needle
- punch
- punching
- fixing column
- rod body
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Abstract
The utility model discloses a high-accuracy mould is with towards needle construction package: the punching needle fixing device comprises a punching needle rod body, wherein a punching needle fixing column is arranged at the tail part of the punching needle rod body, the punching needle fixing column and the punching needle rod body are coaxially arranged, and the outer diameter of the punching needle fixing column is larger than that of the punching needle rod body; the center of the top of the punching needle fixing column is provided with a guide positioning column towards the direction far away from the punching needle fixing column, and the axis of the guide positioning column is superposed with the axis of the punching needle fixing column; the guide positioning column is arranged in a round table shape, and the outer diameter of the guide positioning column is gradually reduced from one end of the punch needle fixing column to the other end of the punch needle fixing column. The utility model discloses a fixed of punching needle structure is fixed a position in the direction reference column embedding upper padding plate, avoids punching the needle structure and dashes the influence that the needle structure appears the slope in stamping process and to the machining dimension precision of processing material.
Description
Technical Field
The utility model relates to a stamping die field especially relates to a high-accuracy mould is with towards needle structure subassembly.
Background
The punching needle is an essential accessory when the punching die works, belongs to replaceable die consumable materials, and is installed on the punching die to perform continuous punching, punching and punching operation, so that the processed materials are separated or plastically deformed, and required finished products or semi-finished products are obtained. And whether the precision of the processing dimension of the processing material is qualified or not is directly related to the fixed positioning of the punching needle.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the deficiencies in the prior art, the utility model provides a high-accuracy mould is with towards needle structure subassembly location installation more convenient to.
The technical scheme is as follows: in order to achieve the above object, the utility model discloses a high-precision mould is with towards needle structure subassembly: the punching needle fixing device comprises a punching needle rod body, wherein a punching needle fixing column is arranged at the tail part of the punching needle rod body, the punching needle fixing column and the punching needle rod body are coaxially arranged, and the outer diameter of the punching needle fixing column is larger than that of the punching needle rod body; the center of the top of the punching needle fixing column is provided with a guide positioning column towards the direction far away from the punching needle fixing column, and the axis of the guide positioning column is superposed with the axis of the punching needle fixing column; the guide positioning column is arranged in a circular truncated cone shape, and the outer diameter of the guide positioning column is gradually reduced from one end of the punching needle fixing column to the other end of the punching needle fixing column; the guide positioning column is embedded into the upper backing plate to position the fixing of the punching pin structure, so that the influence of the sliding of the punching pin structure on the machining size precision of a machining material in the punching process is avoided.
Furthermore, an inclined opening groove is formed in the position, close to the end face of the punching needle rod body, of the punching needle fixing column along the axis of the punching needle fixing column, the inclined end face of the inclined opening groove is obliquely arranged towards the outer side of the punching needle fixing column along the center of the punching needle fixing column, and the depth of the inclined opening groove is smaller than the height of the punching needle fixing column; through being provided with the bevel connection groove and establishing the cooperation setting with the punch holder card to can avoid towards the needle structure and take place to rotate at the punching press in-process, thereby fix a position towards the needle structure more effectively.
Furthermore, the head of the punching needle rod body is provided with a punch head structure, the punch head structure comprises a first punch head part and a second punch head part, the head of the punching needle rod body is sequentially connected with the first punch head part and the second punch head part, and the punching needle rod body, the first punch head part and the second punch head part are coaxially arranged; the outer diameter of the first punch part is smaller than that of the punch pin rod body, and a material returning groove is formed in the joint between the first punch part and the punch pin rod body; the outer diameter of the second punch part is smaller than that of the first punch part, and the second punch part and the first punch part are connected in a concave arc smooth transition mode; by punching the clamping material in stages at the first punch part and the second punch part on the punch, the punching force required by the punch can be reduced, thereby reducing the punching cost.
Furthermore, a conical bulge is arranged at the central part of the top of the second punch part in an outward protruding manner, and the top end of the conical bulge is arranged in an arc surface shape; through being provided with the toper arch on second drift position top, the blanking that the blanking sword at the second drift position of being more convenient for cut off processing material also can reduce the area of contact of blanking and second drift position simultaneously, has prevented that blanking die from producing in stamping process and has jumped the material.
Has the advantages that: the utility model discloses a high-accuracy mould is with towards needle structure subassembly is through being provided with towards needle fixed column at the afterbody towards the needle body of rod, is provided with the direction reference column of round platform form on the top of towards needle fixed column and can fix the location towards the needle structure, through being provided with the bevel connection groove on towards needle fixed column, through being established in the fixed orifices of stamping die punch holder board to bevel connection groove card, can prevent towards the needle structure and take place the rotation in the horizontal direction; and then fix the location to punching the needle structure more effectively through punching the needle fixed column, avoided punching the needle structure and taken place the processing size that the location skew influences the processing material in stamping process.
Drawings
FIG. 1 is a schematic view of the overall structure of the punching pin structure of the present invention;
FIG. 2 is a schematic structural view of the punch pin fixing column of the present invention;
fig. 3 is a schematic structural view of the punch part of the punch pin structure of the present invention;
fig. 4 is a schematic structural view of the top of the punch of the present invention;
fig. 5 is a schematic structural view of the punching pin structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The punching needle structure component for the high-precision die is shown in the attached figures 1-5: the punching needle fixing device comprises a punching needle rod body 1, wherein a punching needle fixing column 3 is arranged at the tail part of the punching needle rod body 1, the punching needle fixing column 3 and the punching needle rod body 1 are coaxially arranged, and the outer diameter of the punching needle fixing column 3 is larger than that of the punching needle rod body 1; the punching pin fixing column 3 is clamped in a punching pin fixing hole on the upper clamping plate 5, and then the punching pin fixing column is pressed on the top of the punching pin fixing column 3 from the upper part through the upper backing plate 6, so that the punching pin structure is positioned; a guide positioning column 32 is arranged in the center of the top of the punching needle fixing column 3 in the direction far away from the punching needle fixing column 3, and the axis of the guide positioning column 32 is overlapped with the axis of the punching needle fixing column 3; the guide positioning column 32 is arranged in a circular truncated cone shape, the outer diameter of the guide positioning column is gradually reduced from one end of the punching needle fixing column 3 to the other end of the punching needle fixing column, and the circular truncated cone-shaped guide positioning column 32 is embedded into the upper clamping plate 5, so that the circular truncated cone-shaped guide positioning column can be arranged through matching of the positioning hole in the upper base plate 6 and the guide positioning column 32, and the punching needle structure can be prevented from sliding to affect machining during punching. The punching needle fixing column 3 is provided with an inclined opening groove 31 at the position close to the end face of the punching needle rod body 1 along the axis of the punching needle fixing column 3, the inclined opening groove 31 penetrates through the front side and the rear side of the punching needle fixing column 3, the inclined end face of the inclined opening groove 31 is obliquely arranged towards one side edge of the inclined opening groove along the center of the punching needle fixing column 3, the depth of the inclined opening groove 31 is smaller than the height of the punching needle fixing column 3, a bulge in the punching needle fixing hole is clamped in the inclined opening groove 31 through the upper clamping plate 5, the limiting effect can be achieved on the punching needle fixing column 3, and then the punching needle structure can be prevented from rotating.
The punch structure 2 is arranged at the head of the punch needle rod body 1, the punch structure 2 comprises a first punch part 21 and a second punch part 22, the head of the punch needle rod body 1 is sequentially connected with the first punch part 21 and the second punch part 22, and the punch needle rod body 1, the first punch part 21 and the second punch part 22 are coaxially arranged; the outer diameter of the first punch part 21 is smaller than that of the needle punching rod body 1, and a material returning groove 211 is formed in the joint between the first punch part 21 and the needle punching rod body 1; the outer diameter of the second punch part 22 is smaller than that of the first punch part 21, and the second punch part 22 and the first punch part 21 are in concave arc smooth transition connection; by sequentially punching the clamping material in stages in the punch by the first punch portion 21 and the second punch portion 22, the punching force required for the punch can be reduced, and the punching cost can be reduced.
The top central part of the second punch part 22 is provided with a conical bulge 4 in an outward protruding manner, the outer diameter of the conical bulge is gradually reduced from the bottom end to the top end of the conical bulge, so that when the processing material is processed, the conical bulge 4 punches the processing material before the blanking end of the second punch part 22, and the blanking force required by the second punch part 22 for blanking the processing material can be reduced; meanwhile, the contact area between the blanking and the second punch part 22 is reduced, and the material jumping of the blanking die in the stamping process is prevented. The top end of the conical bulge 4 is arranged in an arc surface shape, so that when the top end of the conical bulge is extruded on a processed plate material, the top end of the conical bulge is not easy to damage, and the service life of the punching needle structure is prolonged.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (4)
1. The utility model provides a high accuracy mould is with towards needle construction package which characterized in that: the punching needle fixing device comprises a punching needle rod body (1), wherein a punching needle fixing column (3) is arranged at the tail part of the punching needle rod body (1), the punching needle fixing column (3) and the punching needle rod body (1) are coaxially arranged, and the outer diameter of the punching needle fixing column (3) is larger than that of the punching needle rod body (1); a guide positioning column (32) is arranged in the center of the top of the punching needle fixing column (3) in the direction far away from the punching needle fixing column (3), and the axis of the guide positioning column (32) is overlapped with the axis of the punching needle fixing column (3); the guide positioning column (32) is arranged in a circular truncated cone shape, and the outer diameter of the guide positioning column is gradually reduced from one end of the punch needle fixing column (3) to the other end of the punch needle fixing column.
2. The punch pin structural assembly for the high-precision die as claimed in claim 1, wherein: the punching needle fixing column (3) is provided with an inclined opening groove (31) at the position close to the end face of the punching needle rod body (1) along the axis of the punching needle fixing column (3), the inclined end face of the inclined opening groove (31) is obliquely arranged towards the outer side of the punching needle fixing column (3) along the center of the punching needle fixing column, and the depth of the inclined opening groove (31) is smaller than the height of the punching needle fixing column (3).
3. The punch pin structural assembly for the high-precision die as claimed in claim 1, wherein: the punching needle rod comprises a punching needle rod body (1), wherein the head of the punching needle rod body (1) is provided with a punch head structure (2), the punch head structure (2) comprises a first punch head part (21) and a second punch head part (22), the head of the punching needle rod body (1) is sequentially connected with the first punch head part (21) and the second punch head part (22), and the punching needle rod body (1), the first punch head part (21) and the second punch head part (22) are coaxially arranged; the outer diameter of the first punch part (21) is smaller than that of the needle punching rod body (1), and a material returning groove (211) is formed in the joint between the first punch part (21) and the needle punching rod body (1); the outer diameter of the second punch part (22) is smaller than that of the first punch part (21), and the second punch part (22) and the first punch part (21) are in concave arc smooth transition connection.
4. The punch pin structural assembly for a high-precision die as claimed in claim 3, wherein: the top center part of the second punch part (22) is provided with a conical bulge (4) in an outward protruding mode, and the top end of the conical bulge (4) is arranged in an arc surface mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729291.6U CN210080491U (en) | 2019-05-21 | 2019-05-21 | High-precision punching needle structure assembly for die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729291.6U CN210080491U (en) | 2019-05-21 | 2019-05-21 | High-precision punching needle structure assembly for die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210080491U true CN210080491U (en) | 2020-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920729291.6U Active CN210080491U (en) | 2019-05-21 | 2019-05-21 | High-precision punching needle structure assembly for die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210080491U (en) |
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2019
- 2019-05-21 CN CN201920729291.6U patent/CN210080491U/en active Active
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