CN212216774U

CN212216774U - High-precision punching die

Info

Publication number: CN212216774U
Application number: CN202020528038.7U
Authority: CN
Inventors: 肖华贵; 肖华龙
Original assignee: Chuzhou Tianfeng Mould Equipment Manufacturing Co ltd
Current assignee: Chuzhou Tianfeng Mould Equipment Manufacturing Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-25
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a high-precision punching die, including upper die base and die holder, the upper die base includes die carrier and punching press head, the die holder includes die carrier and bearing plate down, the both ends below of going up the die carrier is equipped with the gag lever post, the one end embedding of gag lever post is in inside the both ends of going up the die carrier, the other end of gag lever post with die carrier integrated into one piece down, the inside of bearing plate is equipped with the punching press hole, the punching press hole with the corresponding distribution of punching press head, the below in punching press hole is equipped with the backup pad, the inside of backup pad is equipped with the material through hole, the material through hole with punching press hole intercommunication. This high-accuracy cut-out press passes through the structural redesign of upper die base and die holder to can reduce the vibration that produces the carrier of work piece at the in-process of punching a hole, thereby improve the stability of work piece at the in-process of punching a hole, improve product quality, reduce the defective rate of product.

Description

High-precision punching die

Technical Field

The utility model relates to a cut-out press technical field specifically is a high-accuracy cut-out press.

Background

The punching die is a special process device for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and the punching die with the same high precision is required to be used when punching some precise parts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-accuracy cut-out press has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-precision punching die, includes upper die base and die holder, the upper die base includes die carrier and punching press head, the die holder includes die carrier and bearing plate down, the embedding of punching press head is in the inside of going up the die carrier is fixed through bolt and nut, the both ends below of going up the die carrier is equipped with the gag lever post, the one end embedding of gag lever post is in inside the both ends of going up the die carrier, the other end of gag lever post with lower die carrier integrated into one piece, the bearing plate sets up the inside of die carrier is fixed through bolt and nut down, the inside of bearing plate is equipped with the punching press hole, the punching press hole with the corresponding distribution of punching press head, the below in punching press hole is equipped with the backup pad, the inside of backup pad is equipped with the through-material hole, the through-material hole with punching press hole intercommunication.

As a preferred embodiment of the present invention, a first fastening bolt is disposed below the supporting plate, and the supporting plate and the bearing plate are fixedly connected through the first fastening bolt.

As an embodiment of the present invention, the two ends of the bearing plate are provided with damping springs, the bottom of the damping springs is provided with a fixing plate, the two ends of the damping springs are respectively fixed to the bearing plate and the fixing plate by welding.

As a preferred embodiment of the present invention, a second fastening bolt is disposed below the fixing plate, and the fixing plate is fixed to the lower mold frame through the second fastening bolt.

As a preferred embodiment of the utility model, the inside mounting groove that is equipped with in both ends of going up the die carrier, the inside of mounting groove is equipped with reset spring, reset spring's top with go up the die carrier and pass through welded fastening, reset spring with the corresponding distribution of gag lever post.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this high-accuracy cut-out press passes through the structural redesign of upper die base and die holder to can reduce the vibration that produces the carrier of work piece at the in-process of punching a hole, thereby improve the stability of work piece at the in-process of punching a hole, improve product quality, reduce the defective rate of product.

Drawings

FIG. 1 is a front view of a high precision punching mold of the present invention,

FIG. 2 is a schematic view of the connection of the upper die base structure of the high-precision punching die of the present invention,

fig. 3 is the utility model relates to a high-accuracy cut-out press's die holder structural connection sketch map.

In the drawing, an upper die base 1, a lower die base 2, an upper die base 3, a stamping head 4, a lower die base 5, a bearing plate 6, a limiting rod 7, a stamping hole 8, a supporting plate 9, a material passing hole 10, a fastening bolt I11, a damping spring 12, a fixing plate 13, a fastening bolt II 14, a mounting groove 15 and a return spring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-precision punching die comprises an upper die holder 1 and a lower die holder 2, wherein the upper die holder 1 comprises an upper die frame 3 and a punching head 4, the lower die holder 2 comprises a lower die frame 5 and a bearing plate 6, the stamping head 4 is embedded in the upper die frame 3 and fixed through a bolt and a nut, limiting rods 7 are arranged below two ends of the upper die frame 3, one end of each limiting rod 7 is embedded into the two ends of the upper die frame 3, the other end of the limiting rod 7 is integrally formed with the lower die carrier 5, the bearing plate 6 is arranged in the lower die carrier 5 and fixed through bolts and nuts, the bearing plate 6 is internally provided with stamping holes 8, the stamping holes 8 are distributed corresponding to the stamping heads 4, a supporting plate 9 is arranged below the stamping hole 8, a material passing hole 10 is formed in the supporting plate 9, and the material passing hole 10 is communicated with the stamping hole 8.

Referring to fig. 1 and 2, a first fastening bolt 11 is arranged below the supporting plate 9, the supporting plate 9 and the bearing plate 6 are connected and fixed through the first fastening bolt 11, and the supporting plate 9 can be controlled to fix the bearing plate 6 through the additional first fastening bolt 11.

Referring to fig. 1 and 2, damping springs 12 are arranged below two ends of the bearing plate 6, a fixing plate 13 is arranged at the bottom of the damping springs 12, two ends of the damping springs 12 are respectively welded and fixed with the bearing plate 6 and the fixing plate 13, and vibration generated on the bearing plate 6 in the punching process can be reduced through the additionally arranged damping springs 12, so that stability of a workpiece to be processed in the punching process is improved, product quality is improved, and the defective rate of the product is reduced.

Referring to fig. 1 and 2, a second fastening bolt 14 is arranged below the fixing plate 13, the fixing plate 13 and the lower die carrier 5 are fixed by the second fastening bolt 14, and the fixing plate 13 can be controlled to fix the damping spring 12 by the additional second fastening bolt 14, so that the fixing of the bearing plate 6 is realized.

Referring to fig. 1 and 3, mounting grooves 15 are formed in two ends of the upper die carrier 3, a return spring 16 is arranged in each mounting groove 15, the top of each return spring 16 is fixed to the upper die carrier 3 by welding, the return springs 16 and the limiting rods 7 are distributed correspondingly, and the impact force of the punching head 4 on a workpiece can be reduced by the aid of the additionally arranged return springs 16, so that stability is improved.

The utility model discloses a high-precision punching die when punching a hole to the work piece, because be equipped with damping spring 12 below the both ends of the carrier (bearing plate 6) of work piece, when control upper die base 1 moves to lower die base 2 direction and punches a hole to the work piece on the punching hole, damping spring 12 is as the structure that is connected with bearing plate 6, can filter the vibration that produces the carrier (bearing plate 6) of work piece in the punching process according to damping spring 12's characteristic to reduce the instability of the carrier (bearing plate 6) of work piece, combine fastening bolt one 11 and fastening bolt two 14 to fix backup pad 9 and fixed plate 13 below bearing plate 6, make overall structure's stability improve, it cushions to the downward impact of punching press head 4 in the upper die base 1 to combine reset spring 12 in the upper die base 1 again, therefore, high-quality processing of the high-precision processed workpiece is realized.

The upper die support 1, the lower die support 2, the upper die support 3, the stamping head 4, the lower die support 5, the bearing plate 6, the limiting rod 7, the stamping hole 8, the supporting plate 9, the material through hole 10, the fastening bolt I11, the damping spring 12, the fixing plate 13, the fastening bolt II 14, the mounting groove 15 and the reset spring 16 of the utility model are all universal standard parts or parts known by technicians in the field, the structure and the principle of the high-precision punching die can be known by technical manuals or conventional experimental methods, the high-precision punching die solves the problems that the vibration generated by a carrier of a processed workpiece is caused by overlarge impact pressure in the process of punching the processed workpiece by the existing high-precision punching die, the punching processing is unstable, thereby the problem of the stability reduction of the work piece has reduced product quality on the whole, has improved the problem of the defective rate of product. The utility model discloses high-precision punching die passes through the structural redesign of upper die base and die holder to can reduce the vibration that produces the carrier of work piece at the in-process of punching a hole, thereby improve the stability of work piece at the in-process of punching a hole, improve product quality, reduce the defective rate of product.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a high-accuracy cut-out press which characterized in that: the die comprises an upper die base (1) and a lower die base (2), wherein the upper die base (1) comprises an upper die base (3) and a stamping head (4), the lower die base (2) comprises a lower die base (5) and a bearing plate (6), the stamping head (4) is embedded into the upper die base (3) and fixed through a bolt and a nut, limiting rods (7) are arranged below two ends of the upper die base (3), one ends of the limiting rods (7) are embedded into the two ends of the upper die base (3), the other ends of the limiting rods (7) and the lower die base (5) are integrally formed, the bearing plate (6) is arranged inside the lower die base (5) and fixed through a bolt and a nut, stamping holes (8) are formed inside the bearing plate (6), the stamping holes (8) and the stamping head (4) are distributed correspondingly, a support plate (9) is arranged below the stamping holes (8), the inside of backup pad (9) is equipped with logical material hole (10), logical material hole (10) with punching press hole (8) intercommunication.

2. A high-precision punching die according to claim 1, wherein: the supporting plate is characterized in that a first fastening bolt (11) is arranged below the supporting plate (9), and the supporting plate (9) and the bearing plate (6) are fixedly connected through the first fastening bolt (11).

3. A high-precision punching die according to claim 1, wherein: damping spring (12) are arranged below two ends of the bearing plate (6), a fixing plate (13) is arranged at the bottom of the damping spring (12), and two ends of the damping spring (12) are fixed to the bearing plate (6) and the fixing plate (13) through welding.

4. A high-precision punching die according to claim 3, wherein: and a second fastening bolt (14) is arranged below the fixing plate (13), and the fixing plate (13) and the lower die carrier (5) are fixed through the second fastening bolt (14).

5. A high-precision punching die according to claim 1, wherein: go up the inside mounting groove (15) that is equipped with in both ends of die carrier (3), the inside of mounting groove (15) is equipped with reset spring (16), the top of reset spring (16) with go up die carrier (3) through welded fastening, reset spring (16) with gag lever post (7) corresponding distribution.