WO2019024155A1

WO2019024155A1 - Guide groove molding punching mechanism

Info

Publication number: WO2019024155A1
Application number: PCT/CN2017/098994
Authority: WO
Inventors: 陈小刚
Original assignee: 广州敏实汽车零部件有限公司
Priority date: 2017-08-02
Filing date: 2017-08-25
Publication date: 2019-02-07
Also published as: CN207057444U

Abstract

Provided is a guide groove molding punching mechanism, comprising a lower fixing plate (4), a lower pad (5), a pressure plate (3), an upper fixing plate (2) and an upper pad (1) mounted on the back of the pressure plate (3). A working end surface of the lower fixing plate (4) is arranged with two positioning blocks (40), a lower mold cutting block (43) and a lower mold forming block (42). A guiding channel (41) is formed between the two positioning blocks (40). The lower mold cutting block (43) is located at the end of the guiding channel (41). An upper mold cutting block (33) and two positioning holes (30) are arranged on the pressure plate (3), and each positioning hole (30) matches the shape of the corresponding positioning block (40). A plurality of elastic members are arranged between the pressure plate (3) and the upper fixing plate (2). An upper mold forming block (32) is arranged on the lower end surface of the pressure plate (3) and the working end of the upper mold forming block (32) passes through the upper fixing plate (2) and the pressure plate (3) and exposes. The punching mechanism realizes the boss forming and the notch punching in one station, optimizes the structure of the mold, improves the production cycle, reduces the number of molds, and further reduces the production cost.

Description

Guide groove forming punching mechanism

Technical field

The invention relates to a punching mechanism in the research field of automobile spare parts production, in particular to a channel forming punching mechanism.

Background technique

The guide groove and the guide rail are obtained by rolling and bending to obtain a semi-finished product, and then the blank is obtained by punching, and finally the guide groove is welded on the A-pillar, the B-pillar and the C-pillar, and the guide rail and the bracket are welded to the bracket, and are used for lifting the glass after loading. Protection and orientation. After the guide groove and the guide rail are loaded, there is an assembly relationship, which requires a very smooth connection and excessive, otherwise the glass will be blocked during the lifting process. The guide groove involves two features, a notch and a boss in the transition position. The conventional die method is made into a 1-module 2 station: the first station is formed, the second station is punched out of the gap, and the production needs to be completed in two steps. The mold structure is more complicated than the conventional mold, and the mold manufacturing is difficult. In addition, the production mode of the two stations has a long production cycle, and the guide groove is a necessary part of the door frame, and the output is quite large, and it is urgent to increase the production cycle.

Summary of the invention

It is an object of the present invention to provide a channel forming punching mechanism that optimizes the structure and improves the production cycle of the channel.

The solution to solve the technical problem of the present invention is: a guide groove forming punching mechanism, comprising a lower fixing plate, a lower pad, a pressing plate, an upper fixing plate mounted on the back surface of the pressing plate, and an upper pad, Two working blocks, a lower die block and a lower die forming block are arranged on the working end surface of the lower fixing plate, and a guiding channel is formed between the two positioning blocks, and the lower die block is located at the end of the guiding channel. An upper die block and two positioning holes are arranged on the pressure plate, each of the positioning holes is matched with a shape of a corresponding positioning block, and a plurality of the pressing plate and the upper fixing plate are arranged The elastic member, the lower end surface of the pressure plate is mounted with an upper molding block, and the working end of the upper molding block is exposed through the upper fixing plate and the pressing plate.

As a further improvement of the above technical solution, the mounting ends of the lower die block and the lower die forming block are respectively embedded on the lower pad plate, and the working ends of the lower die block and the lower die forming block respectively pass through corresponding ones of the lower fixed plate After the hole is exposed, the mounting end of the upper die block is embedded on the upper fixing plate, and the working end of the upper die block is exposed through the corresponding hole in the pressing plate.

As a further improvement of the above technical solution, the lower die block is located between the lower die forming block and the guide passage.

As a further improvement of the above technical solution, the elastic member is a nitrogen gas spring, and four guide columns are arranged between the pressure plate and the upper fixing plate, and an outer surface of each of the guide columns is provided with a nitrogen gas spring and a nitrogen gas spring. One end is pressed against the upper fixing plate, and the other end of the nitrogen gas spring is pressed against the upper plate.

As a further improvement of the above technical solution, an upper molding block matching the shape of the guiding passage is disposed between the two positioning holes.

The invention has the beneficial effects that the present invention provides that the upper molding block is disposed on the upper fixing plate, and an elastic member is disposed between the pressing plate and the upper fixing plate, and the upper fixing plate moves downward when the guiding groove is formed. After the upper molding block is in contact with the guide groove, the required boss is formed under the action of the upper molding block and the lower molding block, and the pressing plate moves downward under the action of the upper fixing plate and the elastic member. The upper die block and the lower die block interact to cut the desired gap on the guide groove. The invention realizes the forming of the boss and the punching of the notch in one station, optimizes the structure of the mold, improves the production cycle, reduces the number of the molds, and further reduces the production cost.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is apparent that the described drawings are only a part of the embodiments of the present invention, and not all of the embodiments, and those skilled in the art can obtain other designs and drawings according to the drawings without any creative work.

Figure 1 is a schematic view showing the structure of an upper mold in the present invention;

2 is a schematic structural view of a lower mold in the present invention;

Figure 3 is a schematic view showing the structure of the present invention.

Detailed ways

The concept, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings in order to fully understand the objects, features and effects of the present invention. It is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments, based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The scope of protection of the present invention. In addition, all the coupling/joining relationships mentioned in the text are not directly connected to the components, but rather may constitute a better coupling structure by adding or reducing the coupling accessories according to the specific implementation.

1 to 3, a guide groove forming punching mechanism includes a lower fixing plate 4, a lower pad 5, a pressing plate 3, an upper fixing plate 2 mounted on the back surface of the pressing plate 3, and an upper pad 1 Two positioning blocks 40, a lower die block 43 and a lower die forming block 42 are disposed on the working end surface of the lower fixing plate 4, and a guiding channel 41 is formed between the two positioning blocks 40, and the lower die The cutter block 43 is located at the end of the guide passage 41. The binder plate 3 is disposed with an upper die block 33 and two positioning holes 30, and each of the positioning holes 30 matches the shape of the corresponding positioning block 40. A plurality of elastic members are arranged between the pressure plate 3 and the upper fixing plate 2. The lower end surface of the pressure plate 3 is mounted with an upper molding block 32, and the working end of the upper molding block 32 passes through the upper fixing plate. 2 and the pressure plate 3 is exposed.

The upper molding block 32 is disposed on the upper fixing plate 2, and an elastic member is disposed between the pressing plate 3 and the upper fixing plate 2. When the guiding groove is formed, the upper fixing plate 2 is moved downward, and the upper mold is After the forming block 32 is in contact with the guide groove, the required bosses are formed under the action of the upper molding block 32 and the lower molding block 42, and the pressing plate 3 is lowered by the upper fixing plate 2 and the elastic member. Movement, the upper die block 33 and the lower die block 43 interact to cut the desired gap in the guide groove. The invention realizes the forming of the boss and the punching of the notch in one station, optimizes the structure of the mold, improves the production cycle, reduces the number of the molds, and further reduces the production cost.

Further, as a preferred embodiment, the mounting ends of the lower die block 43 and the lower die forming block 42 are respectively embedded on the lower pad 5, and the working ends of the lower die block 43 and the lower die forming block 42 are respectively passed through the lower fixed plate. The corresponding hole in the plate 4 is exposed, and the mounting end of the upper die block 33 is embedded on the upper fixing plate 2. The working end of the upper die block 33 is exposed through the corresponding hole in the pressing plate 3, and is easily replaced. The worn lower die block 43, the lower die forming block 42, and the upper die block 33.

Further, as a preferred embodiment, the lower die block 43 is located between the lower die forming block 42 and the guide passage 41, that is, the working portion of the lower die block 43 is located in the guide passage 41, and the mounting end of the lower die block 43 Embedded in the lower pad, the middle portion of the lower die block 43 passes through the lower die forming block 42.

Further, as a preferred embodiment, the elastic member is a nitrogen gas spring, and four guide posts are arranged between the pressure plate 3 and the upper fixing plate 2, and each of the outer surfaces of the guide post is provided with a nitrogen gas spring, nitrogen gas. One end of the spring is pressed against the upper fixing plate 2, and the other end of the nitrogen gas spring is pressed against the upper pad 1. The nitrogen spring has large elastic force, long stroke, stable operation, precise manufacturing and long service life.

Further, as a preferred embodiment, an upper molding block 31 matching the shape of the guiding passage 41 is disposed between the two positioning holes 30, which can ensure that the upper molding block 31 fixes the product in the guiding passage during the punching process. Inside, thereby improving the positioning accuracy of the product.

The following is the workflow of the present invention:

The mold is mounted on the punching machine, the product is placed along the guiding channel 41 to the lower fixing plate 4, the punching machine is started, and the upper die moves downward. First, the upper pad 1 is moved downward by 4 mm, and the upper molding block 31 presses the product, due to The molding block 32 is a process of locking on the pressing plate 3, the upper die is moved downward until the pressing plate 3 presses the product, and is also a process of forming the boss; the process of pressing the pressing plate 3 to press the product is also compressing the gas spring After pressing the product, the nitrogen gas spring continues to compress, and the upper backing plate 1 moves downward with the upper mold block 33. When moving to 25 mm, the upper and lower mold blocks 43 start to contact the product, and are punched, when moving to At the 30mm position, the punching is completed; finally, the punch moves upward, moves to the top dead center, takes out the product, and finishes the punching.

The above is a detailed description of the preferred embodiments of the present invention, but the invention is not limited to the embodiments, and various modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention. Such equivalent modifications or alternatives are intended to be included within the scope of the claims.

Claims

A guide groove forming punching mechanism, comprising: a lower fixing plate, a lower pad plate, a pressing plate, an upper fixing plate mounted on a back surface of the pressing plate, and an upper pad, the working end surface of the lower fixing plate Arranging two positioning blocks, a lower die block and a lower die forming block, a guiding channel is formed between the two positioning blocks, the lower die block is located at an end of the guiding channel, and the pressing plate is arranged The upper mold block and the two positioning holes are matched, and each of the positioning holes is matched with a shape of a corresponding positioning block, and a plurality of elastic members are arranged between the pressure plate and the upper fixing plate, and the pressure plate The lower end surface is provided with an upper molding block, and the working end of the upper molding block is exposed through the upper fixing plate and the pressing plate.
The guide groove forming punching mechanism according to claim 1, wherein the mounting ends of the lower die block and the lower die forming block are respectively embedded on the lower pad, and the lower die block and the lower die forming block work. The ends are respectively exposed through the corresponding holes in the lower fixing plate, and the mounting end of the upper die block is embedded on the upper fixing plate, and the working end of the upper die block is exposed through the corresponding hole in the pressing plate.
The channel forming punching mechanism according to claim 1, wherein the lower die block is located between the lower die forming block and the guide passage.
The guide groove forming punching mechanism according to any one of claims 1 to 3, wherein the elastic member is a nitrogen gas spring, and four guide columns are arranged between the pressure plate and the upper fixing plate, each of which The outer surface of the guide post is provided with a nitrogen gas spring, one end of the nitrogen gas spring is pressed against the upper fixing plate, and the other end of the nitrogen gas spring is pressed against the upper pad.
The guide groove forming punching mechanism according to any one of claims 1 to 3, wherein an upper molding block matching the shape of the guide passage is disposed between the two positioning holes.