CN216881324U

CN216881324U - Three-in-one mould with functions of raising, punching and hole flanging

Info

Publication number: CN216881324U
Application number: CN202220321326.4U
Authority: CN
Inventors: 张涛; 徐思晗
Original assignee: Shanghai Rihan Precision Machinery Co ltd
Current assignee: Shanghai Rihan Precision Machinery Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-07-05
Anticipated expiration: 2032-02-17

Abstract

The utility model relates to the technical field of stamping dies, in particular to a die with three functions of raising, punching and flanging. The utility model provides a mould with beat protruding, punch a hole, trinity in hole flanging, includes mould, lower mould, go up the mould and include upper die base, an upper fixed plate, shaping die one, the terrace die punches a hole, the below of upper die base is equipped with an upper fixed plate, and an upper fixed plate's below is equipped with shaping die one, the inboard of shaping die one is equipped with the terrace die that punches a hole, shaping die one and punch a hole and be equipped with the material mold insert of pressing between the terrace die, on press and be equipped with spring one between material mold insert and the upper fixed plate, the lower mould includes die holder, lower bolster, punch-die, shaping die two, lower pressure flitch. Compared with the prior art, the utility model combines three processes of embossing, punching and hole flanging into one process, changes three sets of dies into one set of die, compresses three sets of stamping equipment into one set of die, reduces corresponding operators, improves the integral production efficiency and reduces the production cost.

Description

Three-in-one mould with functions of raising, punching and hole flanging

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a die with three functions of raising, punching and flanging.

Background

The automobile industry is a high-speed development industry, and with the development of economy and the improvement of consumer demands, higher requirements are put forward on the quality and cost of automobiles, and the production efficiency of automobile parts is promoted to be improved continuously.

The three processes of raising, punching and hole flanging of the automobile stamping parts are three different processes, generally, the three processes are completed according to a fixed sequence by combining three sets of stamping dies and three stamping devices, and higher production cost, longer production period and more operating personnel are needed.

The utility model researches and designs a die with three functions of convex forming, punching and hole flanging, wherein three processes of convex forming, punching and hole flanging are combined into one process, three sets of dies are changed into one set of die, and three punching devices are compressed into one die, so that corresponding operators are reduced, the integral production efficiency is improved by 60%, and the production cost is reduced by 60%.

Disclosure of Invention

In order to solve the technical problems, the embodiment of the utility model provides a three-in-one die with functions of convex forming, punching and hole flanging, which comprises an upper die and a lower die, wherein the upper die comprises an upper die holder, an upper fixing plate, a first forming female die and a punching male die, the upper fixing plate is arranged below the upper die holder, the first forming female die is arranged below the upper fixing plate, the punching male die is arranged on the inner side of the first forming female die, an upper material pressing insert is arranged between the first forming female die and the punching male die, a first spring is arranged between the upper material pressing insert and the upper fixing plate, the lower die comprises a lower die holder, a lower cushion plate, a convex female die, a second forming female die and a lower material pressing plate, the lower die holder is arranged below the upper die holder, the lower cushion plate is arranged in the middle of the upper end of the lower die holder, the convex female die is arranged in the middle of the lower cushion plate, the second forming female die is sleeved on the outer edge of the convex female die, and the lower cushion plate are provided with a second spring, the middle of the upper end of the male and female die is provided with a punched hole, a lower material pressing plate is arranged in the punched hole, and a third spring is arranged between the lower material pressing plate and the male and female die.

Furthermore, the punching male die is of a convex structure, the upper pressing insert is of an L-shaped structure, and the structure of the punching male die is matched with that of the upper pressing insert.

Furthermore, one side of the lower die is provided with a guide post.

Further, the structure of the punching male die is matched with the punching structure of the male die and the female die.

Furthermore, a contour screw is arranged below the third spring.

Furthermore, a convex block is arranged at the lower end of the first forming concave die, a convex block groove is arranged at the upper end of the second forming concave die, and the structure of the convex block is matched with that of the convex block groove.

Compared with the prior art, the three processes of embossing, punching and hole flanging are combined into one process, the three sets of dies are changed into one set of die, the three sets of stamping equipment are compressed into one set of die, corresponding operating personnel are reduced, the overall production efficiency is improved by 60%, and the production cost is reduced by 60%.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the mold with three-in-one functions of embossing, punching and hole flanging.

FIG. 2 is a schematic view of a cross-sectional structure of a mold with three-in-one functions of embossing, punching and hole flanging.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model is a three-in-one die with functions of embossing, punching and hole flanging, which comprises an upper die and a lower die, wherein the upper die comprises an upper die holder 1, an upper fixing plate 2, a first forming concave die 3 and a convex punching die 4, the upper fixing plate 2 is arranged below the upper die holder 1, the first forming concave die 3 is arranged below the upper fixing plate 2, the convex punching die 4 is arranged on the inner side of the first forming concave die 3, an upper pressing insert 5 is arranged between the first forming concave die 3 and the convex punching die 4, a first spring 6 is arranged between the upper pressing insert 5 and the upper fixing plate 2, the lower die comprises a lower die holder 7, a lower backing plate 8, a convex concave die 9, a second forming concave die 10 and a lower pressing plate 11, the lower die holder 7 is arranged below the upper die holder 1, the lower backing plate 8 is arranged in the middle of the upper end of the lower die holder 7, the convex concave die 9 is arranged in the middle of the lower backing plate 8, the convex concave die 9 is sleeved on the outer edge of the second forming concave die 10, a second spring 12 is arranged between the second forming female die 10 and the lower backing plate 8, a punched hole 13 is formed in the middle of the upper end of the male and female die 9, a lower pressing plate 11 is arranged in the punched hole 13, and a third spring 14 is arranged between the lower pressing plate 11 and the male and female die 9.

The section of the punching male die 4 is of a convex structure, the section of the upper pressing insert 5 is of an L-shaped structure, and the structure of the punching male die 4 is matched with that of the upper pressing insert 5. One side of the lower die is provided with a guide post 15. The structure of the punching male die 4 is matched with the structure of the punched hole 13 of the male die 9 and the female die 9. And a contour screw 16 is arranged below the spring III 14. The lower extreme of shaping die one 3 is equipped with lug 17, the upper end of shaping die two 10 is equipped with lug recess 18, the structure of lug 17 and the structural cooperation of lug recess 18.

Example (b): as shown in the attached figures 1 and 2, the structure of the utility model is schematic.

The die comprises an upper die and a lower die, wherein the upper die comprises an upper die base 1, an upper fixing plate 2, a first forming concave die 3 and a punching convex die 4, the upper fixing plate 2 is arranged below the upper die base 1, the first forming concave die 3 is arranged below the upper fixing plate 2, the punching convex die 4 is arranged on the inner side of the first forming concave die 3, an upper pressing insert 5 is arranged between the first forming concave die 3 and the punching convex die 4, a first spring 6 is arranged between the upper pressing insert 5 and the upper fixing plate 2, the cross section of the punching convex die 4 is of a convex structure, the cross section of the upper pressing insert 5 is of an L-shaped structure, and the structure of the punching convex die 4 is matched with the structure of the upper pressing insert 5 as shown in attached figure 1.

The lower end of the first forming female die 3 is provided with a convex block 17, the upper end of the second forming female die 10 is provided with a convex block groove 18, the structure of the convex block 17 is matched with the structure of the convex block groove 18, the convex block 17 and the convex block groove 18 are used for completing the convex forming work, and the convex block groove 18 structure at the upper end of the second forming female die 10 is matched in a downward pressing mode through the first forming female die 3 to enable a product to form a boss.

The lower die comprises a lower die base 7, a lower padding plate 8, a punch-die 9, a forming die II 10 and a lower material pressing plate 11, the lower portion of the upper die base 1 is provided with the lower die base 7, the middle portion of the upper end of the lower die base 7 is provided with the lower padding plate 8, the middle portion of the lower padding plate 8 is provided with the punch-die 9, the outer fringe sleeve of the punch-die 9 is provided with the forming die II 10, a spring II 12 is arranged between the forming die II 10 and the lower padding plate 8, the middle portion of the upper end of the punch-die 9 is provided with a punching hole 13, the lower material pressing plate 11 is arranged in the punching hole 13, a spring III 14 is arranged between the lower material pressing plate 11 and the punch-die 9, and one side of the lower die is provided with a guide pillar 15. The structure of the punching male die 4 is matched with that of a punching hole 13 of the male die 9, and a contour screw 16 is arranged below the spring III 14.

The detailed movement process of the mold structure is as follows:

as shown in the attached drawing 1, when the mold is in an open state, a lower material pressing plate 11 and a second forming concave mold 10 of the lower mold are in a floating state, and an upper material pressing insert 5 of the upper mold is in a downward state;

during die assembly, a blank of a stamping part is placed on the second forming female die 10, the stamping part is positioned by means of profiling, after the completion, a starting button of a punch press is pressed, and the upper die starts to descend;

firstly, the forming female die I3 contacts a product, and continues to press downwards to form a boss, so that the convex forming work is completed;

the upper die continues to descend, the product is in contact with the lower die punch-die 9, and the upper pressing insert 5 stops descending under the action of the boss at the outer edge of the punch-die 9; meanwhile, the upper die applies pressure to the product and continues to move downwards, the punching male die 4 of the upper die starts to work, and the punching work is finished under the combined action of the punching male die 4 and the male-female die 9 of the lower die;

the upper die continues to move downwards, the second spring 12 starts to be compressed under the pressure action of the upper die, the second forming concave die 10 starts to move downwards, meanwhile, the male and female dies 9 guide the product into the first forming concave die 3, and hole flanging is completed until the upper die reaches the lower peak;

meanwhile, the operations of embossing, punching and hole flanging are completed.

During the die sinking, go up the mould come-up, shaping die 3 breaks away from the product, then, the terrace die 4 that punches a hole breaks away from the product, and under the effect of last pressure material mold insert 5, the product breaks away from last mould, and shaping die two 10 begins the come-up, breaks away from fashioned punch-die 9 with the product, and lower pressure flitch 11 come-up, will punch a hole the waste material in 13 and break away from out punch-die 11, and when the upper die rose to the upper limit point, the die sinking work was accomplished, and the manual work is taken out product and waste material, begins next circulation.

Claims

1. The utility model provides a mould with beat protruding, punch a hole, trinity in hole flanging, includes mould, lower mould, its characterized in that: the upper die comprises an upper die base (1), an upper fixing plate (2), a first forming die (3) and a punching male die (4), wherein the upper fixing plate (2) is arranged below the upper die base (1), the first forming die (3) is arranged below the upper fixing plate (2), the punching male die (4) is arranged on the inner side of the first forming die (3), an upper pressing insert (5) is arranged between the first forming die (3) and the punching male die (4), a first spring (6) is arranged between the upper pressing insert (5) and the upper fixing plate (2), the lower die comprises a lower die base (7), a lower padding plate (8), a convex female die (9), a second forming die (10) and a lower pressing plate (11), the lower die base (7) is arranged below the upper die base (1), a lower padding plate (8) is arranged in the middle of the upper end of the lower die base (7), and a female die (9) is arranged in the middle of the lower padding plate (8), shaping die two (10) are established to the outer fringe cover of punch-die (9), be equipped with spring two (12) between shaping die two (10) and lower backing plate (8), the upper end middle part of punch-die (9) is equipped with punches a hole (13), be equipped with down pressure flitch (11) in punching a hole (13), be equipped with spring three (14) down between pressure flitch (11) and punch-die (9).

2. The mold of claim 1, wherein the three-in-one mold comprises a convex portion, a punching portion and a hole flanging portion, and is characterized in that: the section of the punching male die (4) is of a convex structure, the section of the upper pressing insert (5) is of an L-shaped structure, and the structure of the punching male die (4) is matched with that of the upper pressing insert (5).

3. The mold of claim 1, wherein the three-in-one mold comprises a convex portion, a punching portion and a hole flanging portion, and is characterized in that: one side of the lower die is provided with a guide post (15).

4. The mold of claim 1, wherein the three-in-one mold comprises a convex portion, a punching portion and a hole flanging portion, and is characterized in that: the structure of the punching male die (4) is matched with the structure of the punching hole (13) of the male and female dies (9).

5. The mold of claim 1, wherein the three-in-one mold comprises a convex portion, a punching portion and a hole flanging portion, and is characterized in that: and a contour screw (16) is arranged below the spring III (14).

6. The mold of claim 1, wherein the three-in-one mold comprises a convex portion, a punching portion and a hole flanging portion, and is characterized in that: the lower extreme of shaping die (3) is equipped with lug (17), the upper end of shaping die two (10) is equipped with lug recess (18), the structure of lug (17) cooperatees with the structure of lug recess (18).