CN216632240U

CN216632240U - Punching die for rectangular plate

Info

Publication number: CN216632240U
Application number: CN202123137640.1U
Authority: CN
Inventors: 魏军伟; 陶海霞; 魏军良; 侯涛; 张永统
Original assignee: HENAN JIANGHE MACHINERY CO Ltd
Current assignee: HENAN JIANGHE MACHINERY CO Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-31
Anticipated expiration: 2031-12-15

Abstract

The utility model belongs to the technical field of deep processing of nonferrous metals, and particularly relates to a punching die for a rectangular plate, which is used for punching the rectangular plate, and comprises an upper die and a lower die, wherein the upper die can move up and down relative to the lower die; the upper die comprises an upper die plate, an upper backing plate and a fixed plate which are fixedly connected together from top to bottom, two sides of the fixed plate are respectively provided with a first guide pillar and a second guide pillar, and the fixed plate is provided with a punch; the lower die comprises a lower die plate and a female die which are fixedly connected together from bottom to top, a rectangular plate is fixed above the female die, a positioning block is vertically arranged on one side of the lower die plate, and the first guide pillar and the second guide pillar penetrate into the female die and the lower die plate in sequence. The utility model adopts a punching mode that the punch is directly pushed out of the blanking hole of the female die, thereby not only facilitating the operation and improving the processing efficiency of the rectangular plate, but also saving the material and reducing the manufacturing cost of enterprises.

Description

Punching die for rectangular plate

Technical Field

The utility model belongs to the technical field of nonferrous metal deep processing, and particularly relates to a punching die for a rectangular plate.

Background

In the nonferrous metal deep processing industry, due to high raw material value, if the adopted processing mode is improper, the manufacturing cost is increased, and the influences of two aspects of material utilization rate and processing efficiency are common. With the increasing competition of the nonferrous metal industry, the requirements on the manufacturing cost of rectangular plate products processed by companies are put forward, and the structure of the rectangular plate is shown in figure 1. The product adopts a numerical control combined punching and shearing machine, a plurality of sets of dies are configured on the equipment, the dies are selected to punch and break by depending on a numerical control program of the equipment, the sheet material with the length of 6mm is wasted due to the width size of the cutting edge of the die during the breaking, in addition, the processing cost of a single product is higher due to high equipment cost, the market competitiveness of the product is influenced, and the structure improvement of the punching die is needed for the product.

For the product with the strip size of 8 mm multiplied by 30mm, the length of 310mm, the diameter phi of two holes of 3.5mm and phi of 5 mm. Generally, a single-process die is adopted, and the shape of the die is blanked firstly and then punched for forming. The structure is simple, the manufacture is easy, the defects are that a plurality of dies are used, the cost is increased, and a plurality of stamping devices are needed. In addition, the composite die is adopted for blanking and punching, the die of the structure has higher manufacturing difficulty and higher precision requirement, the section size of a blank is often larger than that of a product, and the processed surface quality is poor due to the adhesion of nonferrous metals.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the punching die for the rectangular plate, which adopts a punching mode that the punch is directly pushed out from the blanking hole of the female die, thereby not only facilitating the operation and improving the processing efficiency of the rectangular plate, but also saving the materials and reducing the manufacturing cost of enterprises.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a punching die for a rectangular plate, which is used for punching the rectangular plate and comprises an upper die and a lower die, wherein the upper die can move up and down relative to the lower die; the upper die comprises an upper die plate, an upper backing plate and a fixed plate which are fixedly connected together from top to bottom, two sides of the fixed plate are respectively provided with a first guide pillar and a second guide pillar, and the fixed plate is provided with a punch; the lower die comprises a lower die plate and a female die which are fixedly connected together from bottom to top, a rectangular plate is fixed above the female die, a positioning block is vertically arranged on one side of the lower die plate, and the first guide pillar and the second guide pillar sequentially penetrate into the female die and the lower die plate.

Furthermore, the upper part of the upper template is fixedly connected with a die shank through a first bolt, and the die shank is fixedly connected with a press slide block.

Furthermore, the upper backing plate is fixedly connected with the first guide pillar through a second bolt, and the second bolt penetrates through the upper template; the upper backing plate is fixedly connected with the second guide pillar through a fourth bolt, and the fourth bolt penetrates through the upper template.

Furthermore, the upper template is fixedly connected with the upper backing plate and the fixing plate through a third bolt.

Furthermore, the upper die also comprises a discharging plate positioned below the fixing plate, and elastic rubber is arranged between the discharging plate and the fixing plate; the upper backing plate is fixedly connected with the fixed plate and the stripper plate through a fifth bolt, and the fifth bolt penetrates through the upper template; and the connecting part of the bolt five and the upper backing plate and the fixing plate is an optical axis, the connecting part of the bolt five and the discharging plate is a thread, and the bolt five can move up and down in the upper template, the upper backing plate and the fixing plate.

Further, the guide post I, the guide post II and the punch head all penetrate through the stripper plate.

Furthermore, the punch comprises a first punch and a second punch, the diameters of the first punch and the second punch are correspondingly equal to the diameters of the two round holes in the finished rectangular plate, and the distance between the first punch and the second punch is equal to the distance between the two round holes in the finished rectangular plate.

Furthermore, the lower template is fixedly connected with the female die through a sixth bolt, a seventh bolt and a pin shaft.

Furthermore, two blanking holes are formed in the top of the female die, and the positions and the diameters of the two blanking holes are correspondingly equal to those of the first punch and the second punch; and clamping grooves are formed in the front side and the rear side of the top of the female die.

Furthermore, one side of the lower template is fixedly connected with the positioning block through a eighth bolt.

Compared with the prior art, the utility model has the following advantages:

the punching die for the rectangular plate comprises an upper die and a lower die, the rectangular plate is firstly conveyed to a positioning block along a clamping groove of a female die for positioning, the upper die moves downwards along with a press machine sliding block to drive a first punch and a second punch to move downwards, a stripper plate compresses the rectangular plate, the first punch and the second punch with sharp cutting edges penetrate through the rectangular plate, punching waste materials fall into a blanking hole of the female die, and therefore punching work is completed quickly. Compared with the original structure, the processing efficiency of the punching die is improved by 50 percent, the material is saved by 5 percent, the manufacturing cost is reduced by 60 percent, the consistency of the punching die is good, and the punching die is convenient for batch production.

Drawings

FIG. 1 is a schematic structural diagram of a finished rectangular sheet material according to an embodiment of the present invention;

fig. 2 is a schematic longitudinal sectional view of a punching die for rectangular sheet materials according to an embodiment of the present invention.

The reference numbers in the figures denote:

1. the die comprises an upper die plate, 2 parts of an upper backing plate, 3 parts of a fixing plate, 4 parts of a first guide column, 5 parts of a second guide column, 6 parts of a lower die plate, 7 parts of a female die, 8 parts of a rectangular plate, 9 parts of a positioning block, 10 parts of a first bolt, 11 parts of a die handle, 12 parts of a second bolt, 13 parts of a third bolt, 14 parts of a fourth bolt, 15 parts of a discharging plate, 16 parts of elastic rubber, 17 parts of a fifth bolt, 18 parts of a first punch, 19 parts of a second punch, 20 parts of a sixth bolt, 21 parts of a seventh bolt, 22 parts of a pin shaft, 23 parts of an eighth bolt and 24 parts of a round hole.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the present invention, 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.

As shown in fig. 2, the punching die for a rectangular sheet material of the present embodiment is used for punching a rectangular sheet material 8, and includes two parts, namely, an upper die and a lower die, and the upper die is movable up and down relative to the lower die. The upper die comprises an upper die plate 1, an upper backing plate 2 and a fixing plate 3 which are fixedly connected together from top to bottom, a first guide pillar 4 and a second guide pillar 5 are respectively arranged on two sides of the fixing plate 3, a punch is arranged on the fixing plate 3, and the first guide pillar 4 and the second guide pillar 5 are arranged to ensure the straightness of the punch, so that the punch does not swing, and the punching position is prevented from deviating; the lower die comprises a lower die plate 6 and a female die 7 which are fixedly connected together from bottom to top, a rectangular plate 8 is fixed above the female die 7, a positioning block 9 is vertically arranged on one side of the lower die plate 6, the length of the rectangular plate 8 is positioned by the aid of the positioning block 9, and a first guide pillar 4 and a second guide pillar 5 sequentially penetrate through the female die 7 and the lower die plate 6.

Preferably, the upper portion of the upper die plate 1 is fixedly connected with a die shank 11 through a bolt 10, so that the upper die plate 1 is connected with the die shank 11, the die shank 11 is fixedly connected with a press slide block, and the press slide block provides lifting power for an upper die. The upper backing plate 2 is fixedly connected with the first guide pillar 4 through a second bolt 12, and the second bolt 12 penetrates through the upper template 1 to realize the connection of the upper backing plate 2 and the first guide pillar 4; the upper backing plate 2 is fixedly connected with the second guide pillar 5 through a fourth bolt 14, and the fourth bolt 14 penetrates through the upper template 1 to realize the connection of the upper backing plate 2 and the second guide pillar 5. The upper template 1 is fixedly connected with the upper backing plate 2 and the fixing plate 3 through a third bolt 13, so that the upper template 1, the upper backing plate 2 and the fixing plate 3 are connected.

The upper die further comprises a discharging plate 15 positioned below the fixing plate 3, the discharging plate 15 compresses the rectangular plate 8 during punching, and the rectangular plate 8 hooped on the punch is detached after punching is completed; the upper padding plate 2 is fixedly connected with the fixing plate 3 and the discharging plate 15 through a fifth bolt 17, the fifth bolt 17 penetrates through the upper template 1, the connecting portion of the fifth bolt 17, the upper padding plate 2 and the fixing plate 3 is an optical axis, the connecting portion of the fifth bolt 17 and the discharging plate 15 is a thread, and the fifth bolt 17 can move up and down in the upper template 1, the upper padding plate 2 and the fixing plate 3. The first guide post 4, the second guide post 5 and the punch all penetrate through the stripper plate 15.

In this example, the punch comprises a first punch 18 and a second punch 19, the diameters of the first punch 18 and the second punch 19 are equal to the diameters of the two circular holes 24 on the finished rectangular plate 8, and the distance between the first punch 18 and the second punch 19 is equal to the distance between the two circular holes 24 on the finished rectangular plate 8.

Specifically, the lower template 6 is fixedly connected with the female die 7 through a bolt six 20, a bolt seven 21 and a pin 22, so that the lower template 6 is connected with the female die 7. Two blanking holes are formed in the top of the female die 7, punching waste is made to enter the blanking holes, the two blanking holes correspond to the positions and the diameters of the first punch 18 and the second punch 19, the blanking holes are matched with the first punch 18 and the second punch 19 for use, and round holes 24 with required sizes and intervals can be obtained. The front side and the rear side of the top of the female die 7 are provided with clamping grooves for carrying out width positioning on the rectangular plate 8. One side of the lower template 6 is fixedly connected with the positioning block 9 through a bolt eight 23, so that the lower template 6 is connected with the positioning block 9.

The working principle is as follows:

and (3) conveying the rectangular plate 8 to the positioning block 9 along the clamping groove of the female die 7 for positioning, so that the position of the circular hole 24 to be punched on the rectangular plate 8 can be determined. The upper die moves downwards along with a press machine sliding block to drive a die shank 11, an upper die plate 1, an upper padding plate 2 and a fixing plate 3 to move downwards, a first guide pillar 4 and a second guide pillar 5 penetrate through a discharging plate 15, a female die 7 and a lower die plate 6 and also move downwards, the upper die plate 1, the upper padding plate 2 and the fixing plate 3 move downwards along an optical axis of a fifth bolt 17 to extrude elastic rubber 16 to deform, the discharging plate 15 compresses a rectangular plate 8 under the action of the elastic rubber 16, a first punch 18 and a second punch 19 penetrate through the rectangular plate 8 together to separate punching waste from the rectangular plate 8, and the punching waste enters a blanking hole of the female die 7 to complete blanking; after the punching operation is finished, the press slide block drives the upper die to lift back, the elastic rubber 16 rebounds, and the discharging plate 15 discharges the finished rectangular plate 8 hooped on the first punch 18 and the second punch 19, so that the punching operation is finished.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A punching die for a rectangular plate is used for punching the rectangular plate and is characterized by comprising an upper die and a lower die, wherein the upper die can move up and down relative to the lower die; the upper die comprises an upper die plate, an upper backing plate and a fixed plate which are fixedly connected together from top to bottom, two sides of the fixed plate are respectively provided with a first guide pillar and a second guide pillar, and the fixed plate is provided with a punch; the lower die comprises a lower die plate and a female die which are fixedly connected together from bottom to top, a rectangular plate is fixed above the female die, a positioning block is vertically arranged on one side of the lower die plate, and the first guide pillar and the second guide pillar sequentially penetrate into the female die and the lower die plate.

2. The punching die for the rectangular plate according to claim 1, wherein the upper portion of the upper die plate is fixedly connected with a die shank through a first bolt, and the die shank is fixedly connected with a press slide block.

3. The punching die for the rectangular plate according to claim 1, wherein the upper backing plate is fixedly connected with the first guide pillar through a second bolt, and the second bolt penetrates through the upper template; the upper backing plate is fixedly connected with the second guide pillar through a fourth bolt, and the fourth bolt penetrates through the upper template.

4. The punching die for the rectangular plate as claimed in claim 1, wherein the upper die plate is fixedly connected with the upper backing plate and the fixing plate by a third bolt.

5. The punching die for the rectangular plate according to claim 1, wherein the upper die further comprises a discharge plate positioned below the fixed plate, and an elastic rubber is arranged between the discharge plate and the fixed plate; the upper backing plate is fixedly connected with the fixed plate and the stripper plate through a fifth bolt, and the fifth bolt penetrates through the upper template; and the connecting part of the bolt five and the upper backing plate and the fixing plate is an optical axis, the connecting part of the bolt five and the discharging plate is a thread, and the bolt five can move up and down in the upper template, the upper backing plate and the fixing plate.

6. The punching die for rectangular slabs of claim 5, wherein said guide post one, guide post two and punch are all passed through a stripper plate.

7. The punching die for the rectangular sheets according to claim 6, wherein the punch comprises a first punch and a second punch, the diameters of the first punch and the second punch are equal to the diameters of the two round holes on the finished rectangular sheet correspondingly, and the distance between the first punch and the second punch is equal to the distance between the two round holes on the finished rectangular sheet.

8. The punching die for the rectangular plate according to claim 1, wherein the lower die plate is fixedly connected with the female die through a sixth bolt, a seventh bolt and a pin shaft.

9. The punching die for the rectangular plate according to claim 7, wherein the top of the female die is provided with two blanking holes, and the two blanking holes are correspondingly equal to the first punch and the second punch in position and diameter; and clamping grooves are formed in the front side and the rear side of the top of the female die.

10. The punching die for the rectangular plate as claimed in claim 1, wherein one side of the lower template is fixedly connected with the positioning block by a bolt eight.