CN209969327U

CN209969327U - Punching die for cooler mounting bracket

Info

Publication number: CN209969327U
Application number: CN201920137127.6U
Authority: CN
Inventors: 孙淑莲
Original assignee: Dalian Economic And Technological Development Zone Jingshang Mould Co Ltd
Current assignee: Dalian Economic And Technological Development Zone Jingshang Mould Co Ltd
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2020-01-21
Anticipated expiration: 2029-01-28

Abstract

Cooler installing support cut-out press, it belongs to the technical field of mould processing. The die is used for punching the angle steel of the cooler mounting bracket. The mold comprises a mold frame, an upper mold and a lower mold. The die carrier is composed of an upper template, a lower template, a guide pillar and a guide sleeve, sliding guide is adopted, and the guide pillar die carrier is arranged behind the I-level precision, so that the guide precision of the die carrier is higher than that of a slide block of a press machine, and the uniform consistency of the working clearance of a male die and a female die is ensured. The upper die and the lower die are respectively arranged on the die frame, the die frame is adopted for guiding, so that the guiding precision of the upper die and the lower die can be ensured, the rigidity of the die can be improved, the service life of the die is prolonged, the punching quality is stable, and the die is easy to install and debug. The die frame adopts sliding type guiding positioning, the upper die and the lower die move stably, and the punching size precision is ensured; the die has compact structure, accurate positioning and convenient maintenance and replacement of working parts; the die is used for processing two parts (symmetrical parts), and the other part can be processed by replacing the positioning pin; the workpiece quality is stable, and the production efficiency is high.

Description

Punching die for cooler mounting bracket

Technical Field

The utility model relates to a cooler installing support cut-out press, it belongs to the technical field of mould processing.

Background

Since the reform was open, with the rapid development of national economy, the demand of the market for molds is increasing. The mold industry has been rapidly developing at a growth rate of about 15%, and mold industry enterprises have also been rapidly developing. Punching is to punch holes in a plate material, so that punched parts with holes are all waste materials. In the working process of the punching die, when multiple rows of holes need to be punched or symmetrical parts need to be punched, the positioning and the unloading of the workpiece are particularly critical.

Disclosure of Invention

For solving the problem that exists among the prior art, the utility model provides a cooler installing support punching die adopts locating pin and elastic locating pin to carry out the location many times to the multirow hole.

The utility model provides a technical scheme that its technical problem adopted is: the punching die for the cooler mounting bracket comprises a die frame, an upper die and a lower die, wherein the die frame comprises a lower die plate, an upper die plate, and a guide pillar and a guide sleeve which are arranged between the die plates; the upper die adopts an upper die plate screw to fix an upper die plate, a male die base plate and a male die fixing plate, meanwhile, the upper die adopts the upper end of a discharging screw to fix the upper die plate, the male die base plate and the male die fixing plate in sequence, and the lower end of the discharging screw is fixed with a discharging plate; the male die is fixed in the male die fixing plate and penetrates through the discharging plate to act on the workpiece; a discharging spring and a discharging plate spring are arranged between the male die fixing plate and the discharging plate, one end of the discharging spring acts on the male die fixing plate, and the other end of the discharging spring acts on the surface of the discharging plate; one end of the stripper plate spring acts on the male die fixing plate, and the other end of the stripper plate spring is arranged in a spring hole in the stripper plate; the lower die adopts a lower template screw to fix a female die fixing plate on a lower template, a female die is arranged in the female die fixing plate, and the female die is matched with a male die; the lower die is also provided with a positioning structure, the positioning structure comprises a positioning pin, an elastic positioning pin and a guide block, the positioning pin is arranged on a material supporting plate, and the material supporting plate is fixed on a female die fixing plate through a fixing plate screw; a positioning pin hole of the elastic positioning pin penetrates through the female die fixing plate and the lower die plate, a screw plug is arranged at the bottom of the positioning pin hole, one end of a positioning pin spring is arranged on the screw plug, and the other end of the positioning pin spring acts on the elastic positioning pin; the guide block is fixed on the female die fixing plate through a guide block screw.

The utility model has the advantages that: the die is used for punching the angle steel of the cooler mounting bracket. The mold comprises a mold frame, an upper mold and a lower mold. The die carrier is composed of an upper template, a lower template, a guide pillar and a guide sleeve, sliding guide is adopted, and the guide pillar die carrier is arranged behind the I-level precision, so that the guide precision of the die carrier is higher than that of a slide block of a press machine, and the uniform consistency of the working clearance of a male die and a female die is ensured. The upper die and the lower die are respectively arranged on the die frame, the die frame is adopted for guiding, so that the guiding precision of the upper die and the lower die can be ensured, the rigidity of the die can be improved, the service life of the die is prolonged, the punching quality is stable, and the die is easy to install and debug. The die frame adopts sliding type guiding positioning, the upper die and the lower die move stably, and the punching size precision is ensured; the die has compact structure, accurate positioning and convenient maintenance and replacement of working parts; the die is used for processing two parts (symmetrical parts), and the other part can be processed by replacing the positioning pin; the workpiece quality is stable, and the production efficiency is high.

Drawings

Fig. 1 is a structural view of a cooler mount punching die.

Fig. 2 is a view a-a in fig. 1.

Fig. 3 is a view B-B in fig. 2.

Fig. 4 is an enlarged view of C in fig. 1.

In the figure: 1. the device comprises a positioning pin, 2, a guide pillar, 3, a discharging spring, 4, a punch fixing plate, 5, a punch backing plate, 6, an upper template, 7, an upper die holder pin, 8, an upper template screw, 9, a die shank, 10, a die shank pin, 11, a punch, 12, a discharging plate spring, 13, a guide sleeve, 14, a discharging plate, 15, a discharging screw, 16, an elastic positioning pin, 16a, a positioning pin hole, 17, a guide block screw, 18, a positioning pin spring, 19, a guide block pin, 20, a lower template screw, 21, a guide block, 22, a material supporting plate, 23, a fixing plate screw, 24, a die fixing plate, 25, a die, 26, a plug screw, 27, a lower die holder pin, 28, a lower die plate, 29 and a workpiece.

Detailed Description

Fig. 1-4 show a punching die for a cooler mounting bracket, which comprises a die carrier, an upper die and a lower die, wherein the die carrier comprises a lower template 28, an upper template 6, and a guide post 2 and a guide sleeve 13 which are arranged between the templates; the upper die adopts an upper die plate screw 8 to fix an upper die plate 6, a male die backing plate 5 and a male die fixing plate 4, meanwhile, the upper die adopts the upper end of a discharging screw 15 to fix the upper die plate 6, the male die backing plate 5 and the male die fixing plate 4 in sequence, and the lower end of the discharging screw 15 is fixed with a discharging plate 14; the punch 11 is fixed in the punch retainer 4, and the punch 11 passes through the stripper plate 14 to act on the workpiece 28; a discharging spring 3 and a discharging plate spring 12 are arranged between the punch retainer 4 and the discharging plate 14, one end of the discharging spring 3 acts on the punch retainer 4, and the other end of the discharging spring 3 acts on the surface of the discharging plate 14; one end of the stripper plate spring 12 acts on the punch retainer 4, and the other end of the stripper plate spring 12 is arranged in a spring hole in the stripper plate 14; the lower die adopts a lower template screw 20 to fix a female die fixing plate 24 on a lower template 28, a female die 25 is arranged in the female die fixing plate 24, and the female die 25 is matched with the male die 11; the lower die is further provided with a positioning structure, the positioning structure comprises a positioning pin 1, an elastic positioning pin 16 and a guide block 21, the positioning pin 1 is arranged on a retainer plate 22, and the retainer plate 22 is fixed on a female die fixing plate 24 through a fixing plate screw 23; a positioning pin hole 16a of the elastic positioning pin 16 penetrates through the die fixing plate 24 and the lower template 28, a screw plug 26 is arranged at the bottom of the positioning pin hole 16a, one end of a positioning pin spring 18 is arranged on the screw plug 26, and the other end of the positioning pin spring 18 acts on the elastic positioning pin 16; the guide block 21 is fixed on the die fixing plate 24 through a guide block screw 17.

The upper die of the die comprises a punch retainer 4, a punch backing plate 5, a punch 11, a stripper plate 14 and the like. The lower die comprises a positioning pin 1, an elastic positioning pin 16, a guide block 21, a retainer plate 22, a die fixing plate 24, a die 25 and the like. Mainly adopts pin positioning and screw fastening connection to assemble together. After the die is assembled, the punching male die 11 is required to move flexibly in the stripper plate 14, and the blocking phenomenon cannot occur. The elastic locating pin 16 can move flexibly in the corresponding mould opening of the female die fixing plate without retardation.

When the technical scheme is adopted for working, firstly, a workpiece blank is placed on the plane of the die fixing plate 24, the guide block 21 guides, the elastic positioning pin 16 is initially spaced, the positioning pin 1 is secondarily spaced, and in the secondary positioning process, the elastic positioning pin 16 for initial positioning is pressed into a movable cavity of the workpiece profile, as shown in a front view of an assembly drawing.

The upper die moves downwards along with the sliding block, when the discharging plate 14 is in contact with the workpiece blank, the discharging plate 14 plays a role in pressing, the workpiece blank is firmly pressed on a working plane, the sliding block continues to move downwards, the male die 11 starts to work, and when the sliding block reaches the lower dead point, the punching work is completed.

And (3) returning the slide block, unloading the workpiece from the male die 11 by the unloading plate 14 under the action of the spring 12, discharging punching waste from a material leakage opening of the female die 25, and finishing the punching process when the slide block reaches the top dead center.

The die frame of the die adopts sliding type guiding positioning, the upper die and the lower die move stably, and the punching size precision is ensured; the die has compact structure, accurate positioning and convenient maintenance and replacement of working parts; the die is used for processing two parts (symmetrical parts), and the other part can be processed by replacing the positioning pin; the workpiece quality is stable, and the production efficiency is high.

Claims

1. The punching die for the cooler mounting bracket comprises a die frame, an upper die and a lower die, wherein the die frame comprises a lower die plate (28), an upper die plate (6), and a guide pillar (2) and a guide sleeve (13) which are arranged between the die plates; the method is characterized in that: the male die base plate (5) and the male die fixing plate (4) are fixed on the upper die plate (6) by the upper die plate screw (8), the upper die penetrates through the upper die plate (6), the male die base plate (5) and the male die fixing plate (4) in sequence by adopting a discharging screw (15), and a discharging plate (14) is fixed at the lower end of the discharging screw (15); the male die (11) is fixed in the male die fixing plate (4), and the male die (11) penetrates through the discharging plate (14) to act on the workpiece (29); a discharging spring (3) and a discharging plate spring (12) are arranged between the punch retainer (4) and the discharging plate (14), one end of the discharging spring (3) acts on the punch retainer (4), and the other end of the discharging spring (3) acts on the surface of the discharging plate (14); one end of the stripper plate spring (12) acts on the punch retainer plate (4), and the other end of the stripper plate spring (12) is arranged in a spring hole in the stripper plate (14); the lower die adopts a lower template screw (20) to fix a female die fixing plate (24) on a lower template (28), a female die (25) is arranged in the female die fixing plate (24), and the female die (25) is matched with the male die (11); the lower die is further provided with a positioning structure, the positioning structure comprises a positioning pin (1), an elastic positioning pin (16) and a guide block (21), the positioning pin (1) is arranged on a material supporting plate (22), and the material supporting plate (22) is fixed on a female die fixing plate (24) through a fixing plate screw (23); a positioning pin hole (16 a) of the elastic positioning pin (16) penetrates through the die fixing plate (24) and the lower template (28), a screw plug (26) is arranged at the bottom of the positioning pin hole (16 a), one end of a positioning pin spring (18) is arranged on the screw plug (26), and the other end of the positioning pin spring (18) acts on the elastic positioning pin (16); the guide block (21) is fixed on the die fixing plate (24) through a guide block screw (17).