CN216540412U

CN216540412U - Micro-switch core component mould

Info

Publication number: CN216540412U
Application number: CN202123179259.1U
Authority: CN
Inventors: 欧强; 蒋修富
Original assignee: Pinghu Shuoxin Precision Electronics Co ltd
Current assignee: Pinghu Shuoxin Precision Electronics Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-17
Anticipated expiration: 2031-12-17

Abstract

The utility model belongs to the technical field of stamping dies, and particularly relates to a micro-switch core component die which comprises a lower die holder, wherein a guide rod is connected on the lower die holder in a sliding manner, an upper die holder is fixedly connected on the guide rod, a connecting seat is fixedly connected on the upper die holder, a punching plate is contacted on the connecting seat, a screw rod is installed inside the connecting seat through a bearing, the outer side of the screw rod is connected with a threaded cylinder through threads, one end of the screw rod is fixedly connected with a driving wheel, one end of the threaded cylinder is fixedly connected with a square rod, and a limiting frame is fixedly connected inside the connecting seat. According to the utility model, the structures such as the buffer cylinder, the spring and the buffer block are additionally arranged in the connecting seat, so that when the punching plate just contacts the lower die seat, the impact force applied to the punching plate can be buffered through the elastic force of the spring, the initial impact force applied to the punching plate can be avoided being larger, and the abrasion reduction of the punching plate can be effectively ensured.

Description

Micro-switch core component mould

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a micro-switch core component die.

Background

The conductive core is a micro-switch core component, and is mainly processed through a stamping die during processing of the micro-switch core component. The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called as a cold stamping die (commonly called as a cold stamping die), when a core component of a micro switch is produced, the outline of the core component needs to be formed through the stamping die, but the stamping die in the prior art is repeatedly impacted when the stamping die is used, the impact force is large, the abrasion of the stamping plate is increased, the service life is influenced, and the stamping plate is not convenient to disassemble when the stamping plate needs to be replaced. Therefore, improvements in the prior art are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a micro switch core part die, which solves the problems that the punching plate is abraded greatly due to large impact force and is inconvenient to replace.

In order to achieve the purpose, the utility model provides the following technical scheme: a micro-switch core component die comprises a lower die holder, a guide rod is connected on the lower die holder in a sliding way, an upper die holder is fixedly connected on the guide rod, a connecting seat is fixedly connected on the upper die holder, a punching plate is contacted on the connecting seat, a screw rod is arranged in the connecting seat through a bearing, the outer side of the screw rod is connected with a thread cylinder through threads, one end of the screw rod is fixedly connected with a driving wheel, one end of the thread cylinder is fixedly connected with a square rod, the inside of the connecting seat is fixedly connected with a limiting frame, the inside of the connecting seat is connected with a square column in a sliding way, the punching plate is fixedly connected with a connecting cylinder, the inside of the connecting seat is fixedly connected with two buffer cylinders which are symmetrically distributed, fixedly connected with buffer block on the punching plate, the inside of buffer cylinder is provided with the spring, the buffer block with buffer cylinder sliding connection.

Preferably, the square column is connected with the square rod in a sliding mode, and the square column is connected with the connecting cylinder in a sliding mode.

Preferably, the square rod is in sliding connection with the limiting frame, and the threaded cylinder is in contact with the limiting frame.

Preferably, the connecting cylinder is connected with a limiting cover through threads, and the limiting cover is connected with the square column in a sliding mode.

Preferably, one end of the spring is fixedly connected with the buffer cylinder, and the other end of the spring is in contact with the buffer block.

Preferably, the connecting seat is provided with a second-stage guide rod, and the second-stage guide rod is in contact with the punching plate and the lower die seat.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the structures such as the buffer cylinder, the spring and the buffer block are additionally arranged in the connecting seat, so that when the punching plate just contacts the lower die seat, the impact force on the punching plate can be buffered through the elastic force of the spring, thus the impact force on the punching plate initially can be avoided being larger, and the abrasion reduction of the punching plate can be effectively ensured.

2. According to the utility model, the structures such as the screw rod, the threaded cylinder and the square rod are additionally arranged in the connecting seat, the square rod is inserted into the square column, the punching plate can be installed, and when the punching plate needs to be disassembled, the square rod only needs to be moved out of the square column, so that the punching plate can be conveniently and quickly disassembled.

3. The special bending structure for the elastic sheet is additionally arranged on the special die and consists of the edge folding die plate, the pressing die plate and the pushing die plate, the bending pieces are oppositely arranged on the lower end surface of the pressing die plate in pairs, and the pressing die is driven by the motor to realize precise edge folding of the upper edge and the lower edge of the workpiece, so that the heights of the contact point and the bottom round point of the bent elastic sheet are +/-0.02 mm, and the consistency of batch production is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a bottom view of the blanking plate of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the structure of the part B of fig. 1 according to the present invention.

In the figure: 1. a lower die holder; 2. a guide bar; 3. an upper die holder; 4. a connecting seat; 5. punching a plate; 6. a threaded barrel; 7. a screw; 8. a drive wheel; 9. a square rod; 10. a limiting frame; 11. a connecting cylinder; 12. a square column; 13. a limiting cover; 14. a buffer cylinder; 15. a buffer block; 16. a spring; 17. and a secondary guide rod.

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.

Referring to fig. 1-4, a micro switch core component mold comprises a lower die holder 1, a guide rod 2 is slidably connected on the lower die holder 1, an upper die holder 3 is fixedly connected on the guide rod 2, a connecting seat 4 is fixedly connected on the upper die holder 3, a punching plate 5 is contacted on the connecting seat 4, a screw 7 is installed inside the connecting seat 4 through a bearing, a threaded cylinder 6 is connected outside the screw 7 through a thread, a driving wheel 8 is fixedly connected at one end of the screw 7, a square rod 9 is fixedly connected at one end of the threaded cylinder 6, a limiting frame 10 is fixedly connected inside the connecting seat 4, a square column 12 is slidably connected inside the connecting seat 4, a connecting cylinder 11 is fixedly connected on the punching plate 5, two buffer cylinders 14 which are symmetrically distributed are fixedly connected inside the connecting seat 4, a buffer block 15 is fixedly connected on the punching plate 5, and a spring 16 is arranged inside the buffer cylinder 14, the buffer block 15 is slidably connected with the buffer cylinder 14.

Referring to fig. 4, the square column 12 is slidably connected to the square rod 9, the square column 12 is slidably connected to the connecting cylinder 11, and the connecting cylinder 11 can limit and mount the square column 12.

Referring to fig. 4, the square rod 9 is slidably connected to the limiting frame 10, the threaded cylinder 6 contacts the limiting frame 10, and the limiting frame 10 can limit the threaded cylinder 6.

Referring to fig. 4, the connecting cylinder 11 is connected with a limiting cover 13 through a thread, the limiting cover 13 is connected with the square column 12 in a sliding manner, and the limiting cover 13 can limit the square column 12.

Referring to fig. 3, one end of the spring 16 is fixedly connected to the buffer tube 14, the other end of the spring 16 is in contact with the buffer block 15, and the spring 16 can buffer the impact force applied to the punching plate 5 by elastic force.

Referring to fig. 1, the connecting seat 4 is provided with a second-stage guide rod 17, the second-stage guide rod 17 contacts both the blanking plate 5 and the lower die holder 1, and the second-stage guide rod 17 can further improve the blanking precision.

The specific implementation process of the utility model is as follows: when the punching machine is used, the punching machine drives the upper die holder 3 to move downwards, when the punching plate 5 contacts the lower die holder 1, the buffer block 15 on the punching plate 5 slides towards the interior of the buffer cylinder 14 and compresses the spring 16, the spring 16 can buffer the initial impact force on the punching plate 5, and a workpiece on the lower die holder 1 can be punched after the buffer cylinder 14 contacts the punching plate 5;

after using cutting plate 5 for a long time, when needing to be changed, rotate drive wheel 8, drive wheel 8 drives screw rod 7 and rotates, screw rod 7 can drive square pole 9 through the screw-thread fit between 6 with a screw thread section of thick bamboo in the pivoted in-process and remove, when square pole 9 from the inside roll-off of square post 12, alright will cut cutting plate 5 and take off maintenance and the maintenance of being convenient for.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a micro-switch core component mould, includes die holder (1), its characterized in that: the die comprises a lower die holder (1), a guide rod (2) is connected to the lower die holder (1) in a sliding manner, an upper die holder (3) is fixedly connected to the guide rod (2), a connecting seat (4) is fixedly connected to the upper die holder (3), a punching plate (5) is contacted to the connecting seat (4), a screw rod (7) is installed inside the connecting seat (4) through a bearing, a threaded cylinder (6) is connected to the outer side of the screw rod (7) through threads, a driving wheel (8) is fixedly connected to one end of the screw rod (7), a square rod (9) is fixedly connected to one end of the threaded cylinder (6), a limiting frame (10) is fixedly connected to the inside of the connecting seat (4), a square column (12) is connected to the inside of the connecting seat (4) in a sliding manner, a connecting cylinder (11) is fixedly connected to the punching plate (5), and two buffer cylinders (14) which are symmetrically distributed are fixedly connected to the inside of the connecting seat (4), fixedly connected with buffer block (15) on punching and cutting board (5), the inside of buffer cylinder (14) is provided with spring (16), buffer block (15) with buffer cylinder (14) sliding connection.

2. The microswitch core component mold of claim 1, wherein: the square column (12) is connected with the square rod (9) in a sliding mode, and the square column (12) is connected with the connecting cylinder (11) in a sliding mode.

3. The microswitch core component mold of claim 1, wherein: the square rod (9) is in sliding connection with the limiting frame (10), and the threaded cylinder (6) is in contact with the limiting frame (10).

4. The microswitch core component mold of claim 1, wherein: the connecting cylinder (11) is connected with a limiting cover (13) through threads, and the limiting cover (13) is connected with the square column (12) in a sliding mode.

5. The microswitch core component mold of claim 1, wherein: one end of the spring (16) is fixedly connected with the buffer cylinder (14), and the other end of the spring (16) is in contact with the buffer block (15).

6. The microswitch core component mold of claim 1, wherein: and a second-stage guide rod (17) is arranged on the connecting seat (4), and the second-stage guide rod (17) is in contact with the punching plate (5) and the lower die seat (1).