CN214321453U

CN214321453U - Deep hole punching die

Info

Publication number: CN214321453U
Application number: CN202120013702.9U
Authority: CN
Inventors: 宣文祥; 马天吉
Original assignee: Shanghai Forming Precision Mould Co ltd
Current assignee: Shanghai Forming Precision Mould Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-10-01
Anticipated expiration: 2031-01-05

Abstract

The utility model provides a deep hole punching die, which comprises an upper die assembly, a lower die assembly and a supporting seat, wherein the upper die assembly comprises an upper die seat, a female die fixing plate, a female die, a discharging block, a first elastic element and an upper punching needle, the female die fixing plate is fixedly connected with the lower end surface of the upper die seat, the female die is fixedly connected with the lower end surface of the female die fixing plate, and the discharging block is connected with the inner wall of the female die in a sliding manner; the lower die assembly comprises a lower backing plate, a second elastic element, a lower die base, a male die, a lower punching needle and a pressing plate; the utility model discloses an go up towards the use of needle and lower towards the needle, from top to bottom to the burr in the cut deep hole, can guarantee that the burr in the deep hole can amputate completely and towards the difficult rupture of needle.

Description

Deep hole punching die

Technical Field

The utility model belongs to the technical field of the blanking mould and specifically relates to a deep hole blanking mould is related to.

Background

For some large die-casting products, the subsequent processing of the deep hole needs to use a lengthened punching needle to remove burrs, and the lengthened punching needle is easy to break, so that the service life of the die is influenced; when the thicker sprue is cut off, the product is easy to crack, and the product is scrapped.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned mould life-span and product quality problem, the utility model provides a based on deep hole blanking mould adopts upper and lower punch pin structure, shortens single punch pin length, reduces the risk of rupture.

In order to solve the technical problem, an embodiment of the utility model provides a die based on deep hole blanking, including upper die assembly, lower die assembly and supporting seat, upper die assembly includes upper die base, die fixing plate, die and the piece of unloading, the die fixing plate is fixed connection at the lower terminal surface of upper die base, the die is fixed connection with terminal surface under the die fixing plate, the piece of unloading is connected with the die inner wall sliding;

the upper die assembly further comprises a first elastic element and an upper punching needle, a first cylindrical blind hole is formed in the upper die base, one end of the first elastic element is tightly pressed on the bottom surface of the first cylindrical blind hole, the other end of the first elastic element abuts against the upper punching needle, and the upper punching needle is in a stepped cylindrical shape and penetrates through the upper die base and the discharging block to extend downwards;

the lower die assembly comprises a lower backing plate, a second elastic element, a lower die holder and a male die, the lower backing plate is fixedly connected with the upper end face of the supporting seat, the lower backing plate is provided with a second cylindrical blind hole, the lower end of the second elastic element is tightly pressed with the upper end face of the second cylindrical blind hole, the upper end face of the second elastic element is abutted against the lower die holder, and the male die is fixedly connected with the lower die holder;

the lower die assembly further comprises a lower punching needle and a pressing plate, the lower punching needle is in a stepped cylindrical shape and penetrates through the lower base plate and the lower die base to extend upwards, the lower punching needle and the upper punching needle are aligned in the vertical direction, the pressing plate is fixedly connected to the lower end face of the lower base plate, and the upper end face of the pressing plate abuts against the lower end face of the lower punching needle.

The lower die assembly further comprises a first guide pillar, the first guide pillar is fixedly connected with the lower die base, the upper die assembly is further provided with a first guide sleeve, and the first guide pillar is connected with the first guide sleeve in a sliding mode.

The lower die assembly further comprises a second guide pillar and a second guide sleeve, the second guide sleeve is fixedly arranged in the lower die base, the second guide pillar penetrates through the lower base plate and the second guide sleeve to extend upwards, and the lower end face of the second guide pillar abuts against the supporting base.

The punch comprises a punch body, a punch pin and a punch pin, wherein the punch pin is fixedly provided with a punch insert, and the punch pin respectively extend into the punch insert from the upper direction and the lower direction.

And a cushion block is arranged between the lower cushion plate and the lower die base and is fixed on the lower cushion plate.

The upper die assembly further comprises an upper cutting die, the lower end face of the discharging block is fixedly provided with a discharging block insert, and the upper cutting die is arranged around the discharging block insert.

The front end of the lower die holder is fixedly provided with a lower cutting die, and the lower cutting die is aligned with one part of the upper cutting die in the vertical direction.

Wherein the first elastic element and the second elastic element are both springs.

The upper die assembly is provided with an upper limiting column, and the lower die assembly is provided with a lower limiting column at a corresponding position in the vertical direction of the upper limiting column.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. in the utility model, the upper die component is provided with an upper punching pin, the lower die component is provided with a lower punching pin, burrs in deep holes of products are cut to be completely removed, and the punching pin is divided into two parts, so that the length is reduced, the risk of breakage is reduced, and the service life of the die is prolonged;

2. the utility model discloses in, to thicker runner, use the mode of upper slitter die and lower slitter die bisection, avoid drawing the product and split or "sting meat" phenomenon, improve product quality.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 6 is a cross-sectional view taken along line C-C of fig. 3.

Description of reference numerals:

10. an upper die assembly; 11. an upper die holder; 12. fixing a female die plate; 13. a female die; 14. unloading the material block; 15. a first elastic element; 16. punching a needle upwards; 17. a first guide sleeve; 18. feeding a cutting die; 20. a lower die assembly; 21. a lower base plate; 22. a second elastic element; 23. a lower die holder; 24. a male die; 25. punching a needle downwards; 26. pressing a plate; 27. a first guide post; 28. a second guide post; 29. a second guide sleeve; 30. A supporting seat; 101. an upper limiting column; 111. a first cylindrical blind hole; 141. unloading block insert blocks; 201. a lower restraint post; 211. a second cylindrical blind hole; 212. cushion blocks; 231. a cutting die is arranged; 241. a male die insert.

Detailed Description

To make the technical problems, technical solutions and advantages of the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", "longitudinal", "transverse", "vertical", "front", "rear", and the like indicate orientations and positional relationships based on the front view of the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-6, the utility model provides a based on deep hole blanking mould, including upper die assembly 10, lower die assembly 20 and supporting seat 30, upper die assembly 10 includes upper die base 11, die fixing plate 12, die 13 and unloading piece 14, and die fixing plate 12 is fixed connection at the lower terminal surface of upper die base 11, and die 13 is fixed connection with lower terminal surface of die fixing plate 12, unloads piece 14 and die 13 inner wall sliding connection;

the upper die assembly 10 further comprises a first elastic element 15 and an upper punch pin 16, a first cylindrical blind hole 111 is formed in the upper die base 11, one end of the first elastic element 15 is tightly pressed on the bottom surface of the first cylindrical blind hole 111, the other end of the first elastic element abuts against the upper punch pin 16, the upper punch pin 16 is in a stepped cylindrical shape and penetrates through the upper die base 11 and the discharging block 14 to extend downwards;

the lower die assembly 20 comprises a lower backing plate 21, a second elastic element 22, a lower die holder 23 and a male die 24, the lower backing plate 21 is fixedly connected with the upper end surface of the supporting seat 30, the lower backing plate 21 is provided with a second cylindrical blind hole 211, the lower end of the second elastic element 22 is pressed with the upper end surface of the second cylindrical blind hole 211, the upper end surface of the second elastic element abuts against the lower die holder 23, and the male die 24 is fixedly connected with the lower die holder 23;

the lower die assembly further comprises a lower punch pin 25 and a pressing plate 26, the lower punch pin 25 is in a stepped cylindrical shape and penetrates through the lower backing plate 21 and the lower die base 23 to extend upwards, the lower punch pin 25 is aligned with the upper punch pin 16 in the vertical direction, and the pressing plate 26 is fixedly connected to the lower end face of the lower backing plate 21, and the upper end face of the pressing plate is abutted to the lower end face of the lower punch pin 25.

The lower die assembly 20 further includes a first guide pillar 27, the first guide pillar 27 is fixedly connected to the lower die holder 23, the upper die assembly 10 is further provided with a first guide sleeve 17, and the first guide pillar 27 is slidably connected to the first guide sleeve 17.

The lower die assembly 20 further includes a second guide post 28 and a second guide sleeve 29, the second guide sleeve 29 is fixedly disposed in the lower die holder 23, the second guide post 28 passes through the lower backing plate 21 and the second guide sleeve 29 and extends upward, and a lower end surface of the second guide post 28 abuts against the support seat 30.

Wherein, a punch insert 241 is fixedly arranged on the punch 24, and the upper punch 16 and the lower punch 25 respectively extend into the punch insert 241 from the upper and lower directions.

Wherein, a cushion block 212 is arranged between the lower bolster 21 and the lower die holder 23, and the cushion block 212 is fixed on the lower bolster 21.

The upper die assembly 10 further comprises an upper cutting die 18, a discharging block insert 141 is fixedly arranged on the lower end face of the discharging block 14, and the upper cutting die 18 is arranged around the discharging block insert 141.

Wherein, the front end of the lower die holder 23 is fixedly provided with a lower cutting die 231, and the lower cutting die 231 is aligned with a part of the upper cutting die 141 in the vertical direction.

Wherein the first elastic element 15 and the second elastic element 22 are both springs.

Wherein, go up mould component 10 and be provided with spacing post 101 on, lower mould component 20 is provided with spacing post 201 down at last spacing post vertical direction relevant position.

The working principle of the utility model is as follows:

The above is the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, and the technical solution and the utility model concept of the present invention should be covered by the protection scope of the present invention.

Claims

1. A deep hole punching die is characterized by comprising an upper die assembly, a lower die assembly and a supporting seat, wherein the upper die assembly comprises an upper die seat, a female die fixing plate, a female die and a discharging block;

2. The deep-hole punching die of claim 1, wherein the lower die assembly further comprises a first guide pillar, the first guide pillar is fixedly connected with the lower die holder, and the upper die assembly is further provided with a first guide sleeve, and the first guide pillar is slidably connected with the first guide sleeve.

3. The deep-hole punching die of claim 1, wherein the lower die assembly further comprises a second guide post and a second guide sleeve, the second guide sleeve is fixedly disposed in the lower die holder, the second guide post extends upward through the lower backing plate and the second guide sleeve, and a lower end surface of the second guide post abuts against the supporting seat.

4. The deep hole punching die is characterized in that a punch insert is fixedly arranged on the punch, and the upper punch needle and the lower punch needle respectively extend into the punch insert from the upper direction and the lower direction.

5. The deep hole punching die is characterized in that a cushion block is arranged between the lower cushion plate and the lower die base, and the cushion block is fixed on the lower cushion plate.

6. The deep hole punching die based on claim 1, wherein the upper die assembly further comprises an upper cutting die, the lower end face of the discharging block is fixedly provided with a discharging block insert, and the upper cutting die is arranged around the discharging block insert.

7. The deep hole blanking die of claim 6, wherein a lower cutting die is fixedly arranged at the front end of the lower die holder, and the lower cutting die is vertically aligned with a part of the upper cutting die.

8. Deep-hole blanking die according to claim 1, wherein the first and second elastic elements are both springs.

9. The deep-hole punching die based on claim 1, wherein the upper die assembly is provided with an upper limiting column, and the lower die assembly is provided with a lower limiting column at a corresponding position in the vertical direction of the upper limiting column.