CN211437720U

CN211437720U - Punching die

Info

Publication number: CN211437720U
Application number: CN201922390329.4U
Authority: CN
Inventors: 郑全吉; 郑淑华; 王兆龙; 吕东迎; 陈洪涛
Original assignee: Shandong Lu Sheng Electrical Equipment Co ltd
Current assignee: Shandong Lu Sheng Electrical Equipment Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-08
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a punching die, including lower die component, upper die component, lower die component includes the lower bolster, the top of lower bolster is equipped with first die holder, second die holder, the middle part of first die holder is equipped with first punching die, the middle part of second die holder is equipped with second punching die, set up the punching a hole of waist shape on first punching die, the second punching die, and first punching die, second punching die are splayed symmetrical arrangement, the outside of first die holder, second die holder all is equipped with a locating plate of vertical placement; the upper die assembly comprises an upper die plate, a first upper die base and a second upper die base are arranged below the upper die plate, a first punch is arranged on the first upper die base, and a second punch is arranged on the second upper die base. The utility model discloses a two drift punching dies have improved production efficiency, have saved occuping of manpower and equipment.

Description

Punching die

Technical Field

The utility model relates to the technical field of machining, specifically a cut-out press.

Background

Parts such as cross arms in power equipment are usually made of sectional materials, and are usually designed with waist-shaped long holes which are arranged in a splayed manner. Therefore, the work of forming the waist-shaped hole in the channel steel is required. In the prior art, the milling machine is used for operation, the common milling machine is very troublesome to machine, the numerical control machine is very uneconomical to use, and in order to meet the requirement of production batch and reduce the cost, a punching die is needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problems, a punching die is provided.

The utility model provides a technical scheme that its technical problem adopted is: a punching die comprises a lower die assembly and an upper die assembly, wherein the lower die assembly comprises a lower die plate, a first lower die holder and a second lower die holder are arranged above the lower die plate, positioning parts matched with workpieces are arranged on the upper parts of the first lower die holder and the second lower die holder respectively, a first punching female die is arranged in the middle of the first lower die holder, a second punching female die is arranged in the middle of the second lower die holder, waist-shaped punched holes are formed in the first punching female die and the second punching female die, the first punching female die and the second punching female die are symmetrically arranged in a splayed shape, and a positioning plate which is vertically placed is arranged on the outer sides of the first lower die holder and the second lower die holder respectively; the two ends of the lower portion of the lower template are respectively provided with a fixing plate, and the middle portion of the lower template is provided with a supporting plate.

The upper die assembly comprises an upper die plate, a first upper die base and a second upper die base are arranged below the upper die plate, a first punch is arranged on the first upper die base, a second punch is arranged on the second upper die base, and the first punch and the second punch are arranged in a splayed shape corresponding to the first punching female die and the second punching female die; the first punch and the second punch are both in a cylindrical shape, and the cross section of each punch is in a waist shape.

In the utility model, a height difference exists between the first punch and the second punch, and the height difference is 5-10 mm.

The utility model has the advantages that:

1. the utility model adopts the double-punch punching die, the positioning is accurate, the die adjustment is not needed, the production efficiency is improved, and the manpower and the occupation of the equipment are saved;

2. the utility model discloses a mode of two dashes successively blanking reduces the impact force, guarantees no vibration skew.

Drawings

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

FIG. 2 is a schematic structural view of a lower die assembly of the present invention;

fig. 3 is a schematic structural view of the upper die assembly of the present invention.

1. The punching die comprises a lower die assembly, 2, an upper die assembly, 3, a lower die plate, 4, a first lower die holder, 5, a second lower die holder, 6, a positioning part, 7, a first punching female die, 8, a second punching female die, 9, a positioning plate, 10, a fixing plate, 11, a supporting plate, 12, an upper die plate, 13, a first upper die holder, 14, a second upper die holder, 15, a first punch, 16 and a second punch.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and therefore only show the components relevant to the invention.

As shown in fig. 1-3, a punching die comprises a lower die assembly 1 and an upper die assembly 2, wherein the lower die assembly 1 comprises a lower die plate 3, a first lower die holder 4 and a second lower die holder 5 are arranged above the lower die plate 3, positioning portions 6 matched with a workpiece are arranged on the upper portions of the first lower die holder 4 and the second lower die holder 5, a first punching female die 7 is arranged in the middle of the first lower die holder 4, a second punching female die 8 is arranged in the middle of the second lower die holder 5, waist-shaped punched holes are formed in the first punching female die 7 and the second punching female die 8, the first punching female die 7 and the second punching female die 8 are symmetrically arranged in a splayed manner, and a positioning plate 9 which is vertically arranged is arranged on the outer sides of the first lower die holder 4 and the second lower die holder 5; both ends of the lower part of the lower template 3 are provided with a fixing plate 10, and the middle part of the lower template 3 is provided with a supporting plate 11. Through fixed plate 10, can use the clamp plate to fix lower mould subassembly 1 on the workstation, through setting up backup pad 11, can strengthen the rigidity of lower bolster 3, prevent that lower bolster 3 from warping when the punching press.

The upper die assembly 2 comprises an upper die plate 12, a first upper die base 13 and a second upper die base 14 are arranged below the upper die plate 12, a first punch 15 is arranged on the first upper die base 13, a second punch 16 is arranged on the second upper die base 14, the first punch 15 and the second punch 16 are arranged in a splayed shape corresponding to the first punching female die 7 and the second punching female die 8, the first punch 15 and the second punch 16 are both in a cylindrical shape, and the cross section of the first punch 15 and the second punch 16 is in a kidney-shaped shape. In actual machining, the punch is made of GCr15 high-strength steel.

In this embodiment, a height difference exists between the first punch 15 and the second punch 16, and in a specific structure, the height difference between the first punch 15 and the second punch 16 is 5-10mm, so that the first punch 15 performs blanking first, and then the second punch 16 performs blanking, which can effectively reduce the impact force of the punches, ensure no vibration offset, and increase the service life of the die.

The utility model discloses when using: firstly, the channel steel is placed on the lower die assembly 1 and is firmly positioned, then the punch press is started, and the upper die assembly 2 is driven by the punch press to punch the channel steel. And after the punching is finished, the channel steel is taken down to finish the processing.

The utility model adopts the double-punch punching die, the positioning is accurate, the die adjustment is not needed, the production efficiency is improved, and the manpower and the occupation of the equipment are saved; the double punches adopt a mode of blanking in sequence, so that the impact force is reduced, and no vibration deflection is ensured.

In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made therein by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A punching die is characterized in that: the lower die assembly comprises a lower die assembly and an upper die assembly, wherein the lower die assembly comprises a lower die plate, a first lower die holder and a second lower die holder are arranged above the lower die plate, positioning parts matched with a workpiece are arranged on the upper parts of the first lower die holder and the second lower die holder, a first punching female die is arranged in the middle of the first lower die holder, a second punching female die is arranged in the middle of the second lower die holder, waist-shaped punched holes are formed in the first punching female die and the second punching female die, the first punching female die and the second punching female die are symmetrically arranged in a splayed manner, and a vertically placed positioning plate is arranged on the outer sides of the first lower die holder and the second lower die holder; two ends of the lower part of the lower template are respectively provided with a fixing plate, and the middle part of the lower template is provided with a supporting plate;

the upper die assembly comprises an upper die plate, a first upper die base and a second upper die base are arranged below the upper die plate, a first punch is arranged on the first upper die base, a second punch is arranged on the second upper die base, the first punch and the second punch are arranged in a splayed shape corresponding to the first punching female die and the second punching female die, the first punch and the second punch are both in a cylindrical shape, and the cross section of the first punch and the second punch is in a kidney-shaped shape.

2. The punching die of claim 1, wherein: and a height difference exists between the first punch and the second punch, and the height difference is 5-10 mm.