CN212884456U - Novel die for continuous punching and flanging forming - Google Patents

Abstract

A novel die for continuous punching and flanging forming comprises an upper die base, a limiting plate, an upper die plate, a lower backing plate and a lower stripping plate; an upper base plate is arranged on the lower end surface of the upper die holder; an air inlet bin is arranged in the upper base plate; the air inlet bin is provided with an air inlet opening and a material outlet opening; the lower end surface of the upper backing plate is connected with an upper template; a first through hole is formed in the upper template; the two ends of the limiting plate are respectively provided with a clamping plate and a discharging plate; the clamping plate is connected with the upper backing plate; the clamping plate, the limiting plate and the stripper plate are sleeved outside the upper template; the two ends of the lower backing plate are respectively provided with a lower template and a lower die base; a second through hole is formed in the lower die base; a third through hole is formed in the lower template; the lower stripping plate is connected with the third through hole in a sliding mode, and a fifth through hole is formed in the lower stripping plate; a spring is arranged between the bottom surface of the lower stripping plate and the lower die seat; and a punching column is arranged in the third through hole, one end of the punching column is connected with the lower die holder, the other end of the punching column penetrates into the fifth through hole, and a fourth through hole is arranged in the punching column. The utility model discloses utilize the negative pressure principle to solve the turn-ups and the one step of shaping problem that punches a hole.

Description

Novel die for continuous punching and flanging forming

Technical Field

The utility model relates to a mould shaping technical field especially relates to a turn-ups fashioned novel mould punches a hole in succession.

Background

On the basis of the existing die forming process, only single-sequence forming can be considered, namely, after the product is continuously formed, the product is cut into semi-finished products, and then the single-sequence stamping die is used for completing two processes of flanging and punching; in actual production, due to the structural reason of the existing die, the die cannot be formed at one time, and 2 independent stations are required to be added to complete the rest flanging and punching processes; due to the fact that multiple processes are involved, the positioning accuracy of the product is not enough, and the product is poor; the process is various, which is not beneficial to mass production operation and causes the cost to rise to solve the problems; therefore, the application provides a novel die for continuous punching and flanging forming.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background technology, the utility model provides a novel die for continuous punching and flanging forming, which increases flanging and punching in the die for continuous forming, and effectively solves the problem of continuous one-step punch forming and improves the precision of products by utilizing the negative pressure principle; and simultaneously, the utility model discloses only need be equipped with an operation staff, practiced thrift the manpower.

(II) technical scheme

In order to solve the problems, the utility model provides a novel die for continuous punching and flanging molding, which comprises an upper template, an upper die base, an upper padding plate, a clamping plate, a limiting plate, a discharging plate, a lower template, a lower die base, a lower padding plate, a punching column, a lower stripper, a spring, a first air pipe and a second air pipe;

the lower end surface of the upper die holder is connected with an upper backing plate; an air inlet bin is arranged in the upper base plate; the air inlet bin is provided with an air inlet opening and a discharge opening for discharging waste materials on the upper base plate; the air inlet opening is connected with a first air pipe used for passing through an external air supply device; a first electromagnetic valve is arranged on the first air pipe;

the lower end surface of the upper backing plate is connected with an upper template; the upper template is provided with a plurality of groups of first through holes along the central axis direction; the multiple groups of first through holes are communicated with the air inlet bin; the two ends of the limiting plate are respectively connected with the clamping plate and the discharging plate; the end surface of the clamping plate far away from the limiting plate is connected with the upper backing plate; the clamping plate, the limiting plate and the stripper plate are sleeved outside the upper template;

a plurality of groups of second through holes are arranged on the lower die base; the plurality of groups of second through holes are connected with a plurality of groups of second air pipes used for passing through an external air supply device; a plurality of groups of second electromagnetic valves are arranged on the plurality of groups of second air pipes; the two ends of the lower backing plate are respectively connected with the lower template and the lower die base; the lower template is provided with a third through hole penetrating through the lower template and the lower backing plate along the direction facing the lower die seat;

the lower stripping plate is connected with the inner wall of the third through hole in a sliding manner, and a plurality of groups of fifth through holes are formed in the lower stripping plate; the multiple groups of springs are positioned in the third through hole, and two ends of the multiple groups of springs are respectively connected with the lower stripper plate and the lower die holder;

the punching columns are all positioned in the third through holes, one ends of the punching columns are connected with the lower die base, the other ends of the punching columns penetrate into the fifth through holes respectively, and the punching columns are distributed with a plurality of fourth through holes along the central axis direction; the multiple groups of second through holes, the multiple groups of fourth through holes and the multiple groups of first through holes are in one-to-one correspondence, and the multiple groups of second through holes, the multiple groups of fourth through holes and the multiple groups of first through holes are communicated in sequence.

Preferably, the multiple groups of springs are respectively positioned at the outer sides of the multiple groups of punching columns.

The above technical scheme of the utility model has following profitable technological effect:

in the utility model, an operator sends the semi-finished product to the lower template, starts the die, presses the semi-finished product into the third through hole at the bottom end of the upper template until the stripper plate contacts the lower template, and completes the flanging process of the semi-finished product; after flanging is finished, simultaneously opening a first electromagnetic valve and a second electromagnetic valve, wherein the first electromagnetic valve controls a first air inlet pipe to blow air into the air inlet bin, and the second electromagnetic valve controls a plurality of groups of second air pipes to blow air into a plurality of groups of second through holes; at the moment, a negative pressure space is formed among the lower surface of the upper template, the inner wall of the third through hole and the upper surface of the lower stripper plate, the lower template continues to press downwards under the action of pressure, and the semi-finished products and the multiple groups of punching columns are punched to complete the punching process; the waste materials generated by punching sequentially pass through the plurality of groups of first through holes and the air inlet bin along with the wind direction in the plurality of groups of second through holes and are discharged out of the die through the discharge opening; stopping the first electromagnetic valve and the second electromagnetic valve, withdrawing the upper template, and pushing the finished product subjected to flanging stamping out of the die by the lower stripper plate under the action of the plurality of groups of springs; the utility model discloses in continuous forming's mould, application negative pressure principle has replaced two independent processes of current turn-ups and punching press with one shot forming process, has improved the accuracy of product, has practiced thrift the manpower.

Drawings

Fig. 1 is the utility model provides a structure schematic diagram of the fashioned novel mould of turn-ups that punches a hole in succession.

Reference numerals: 1. an upper die holder; 2. an air inlet bin; 3. an upper base plate; 4. a splint; 5. a limiting plate; 6. a stripper plate; 7. mounting a template; 8. a lower template; 9. a lower die holder; 10. a second through hole; 11. a lower base plate; 12. a third through hole; 13. punching a hole column; 14. a fourth via hole; 16. a first through hole; 18. and (6) taking off the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, the utility model provides a novel die for continuous punching and flanging molding, which comprises an upper template 7, an upper die holder 1, an upper padding plate 3, a clamping plate 4, a limiting plate 5, a stripper 6, a lower template 8, a lower die holder 9, a lower padding plate 11, a punching column 13, a lower stripper 18, a spring, a first air pipe and a second air pipe;

the lower end surface of the upper die holder 1 is connected with an upper backing plate 3; an air inlet bin 2 is arranged in the upper base plate 3; the air inlet bin 2 is provided with an air inlet opening and a discharge opening for discharging waste materials on the upper base plate 3; the air inlet opening is connected with a first air pipe used for passing through an external air supply device; a first electromagnetic valve is arranged on the first air pipe; the first electromagnetic valve mechanically controls the first air pipe and blows air into the air inlet bin 2 through the air inlet opening;

the lower end surface of the upper backing plate 3 is connected with an upper template 7; the upper template 7 is provided with a plurality of groups of first through holes 16 along the central axis direction thereof; the plurality of groups of first through holes 16 are communicated with the air inlet bin 2; the two ends of the limiting plate 5 are respectively connected with the clamping plate 4 and the discharging plate 6; the end surface of the clamping plate 4 far away from the limiting plate 5 is connected with the upper backing plate 3; the clamping plate 4, the limiting plate 5 and the stripper plate 6 are sleeved outside the upper template 7;

a plurality of groups of second through holes 10 are arranged on the lower die seat 9; the plurality of groups of second through holes 10 are connected with a plurality of groups of second air pipes used for passing through an external air supply device; a plurality of groups of second electromagnetic valves are arranged on the plurality of groups of second air pipes; the multiple groups of second electromagnetic valves mechanically control the multiple groups of second air pipes to blow air into the multiple groups of second through holes 10;

two ends of the lower backing plate 11 are respectively connected with the lower template 8 and the lower die base 9; the lower template 8 is provided with a third through hole 12 which penetrates through the lower template 8 and the lower backing plate 11 along the direction facing the lower die holder 9;

the lower stripping plate 18 is connected with the inner wall of the third through hole 12 in a sliding manner, and a plurality of groups of fifth through holes are formed in the lower stripping plate 18; the multiple groups of springs are all positioned in the third through hole 12, and two ends of the multiple groups of springs are respectively connected with the lower stripper plate 18 and the lower die holder 9; when the first electromagnetic valve mechanically controls the first air inlet pipe to blow air into the air inlet bin 2 and the second electromagnetic valve mechanically controls a plurality of groups of second air pipes to blow air into the plurality of groups of second through holes 10, a negative pressure space is formed among the lower surface of the upper template 7, the inner wall of the third through hole 12 and the upper surface of the lower stripper plate 18, and the lower template 8 is continuously pressed downwards to complete punching; the waste material produced by punching is automatically blown out, the first electromagnetic valve and the second electromagnetic valve are stopped, and the lower stripper plate 18 is restored to the original position under the action of a plurality of groups of springs to prepare for the next punching.

The multiple groups of punching columns 13 are all positioned in the third through holes 12, one ends of the multiple groups of punching columns 13 are connected with the lower die base 9, the other ends of the multiple groups of punching columns 13 penetrate into the multiple groups of fifth through holes respectively, and multiple groups of fourth through holes 14 are distributed in the multiple groups of punching columns 13 along the central axis direction thereof; the plurality of groups of second through holes 10, the plurality of groups of fourth through holes 14 and the plurality of groups of first through holes 16 correspond to one another, and the plurality of groups of second through holes 10, the plurality of groups of fourth through holes 14 and the plurality of groups of first through holes 16 are communicated in sequence.

In an alternative embodiment, sets of springs are located outside sets of punch posts 13, respectively.

In the utility model, the semi-finished product is sent to the lower template 8, the mold is started, the semi-finished product is pressed into the third through hole 12 by the bottom end of the upper template 7 until the stripper plate 6 contacts the lower template 8, and the flanging process of the semi-finished product is completed; after flanging is finished, simultaneously opening a first electromagnetic valve and a second electromagnetic valve, wherein the first electromagnetic valve controls a first air inlet pipe to blow air into the air inlet bin 2, and the second electromagnetic valve controls a plurality of groups of second air pipes to blow air into a plurality of groups of second through holes 10; at this time, a negative pressure space is formed among the lower surface of the upper template 7, the inner wall of the third through hole 12 and the upper surface of the lower stripper plate 18, the lower template 8 is pressed downwards continuously under the action of pressure, and the semi-finished products and the groups of punching columns 13 are punched to complete the punching process; the waste materials generated by punching sequentially pass through the plurality of groups of first through holes 16 and the air inlet bin 2 along with the wind direction in the plurality of groups of second through holes 10 and are discharged out of the die through the discharge opening; stopping the first electromagnetic valve and the second electromagnetic valve, withdrawing the upper template 7, and pushing the finished product after flanging stamping out of the die by the lower stripper plate 18 under the action of a plurality of groups of springs; the utility model discloses utilize the negative pressure principle, replaced two current independent processes with the one shot forming process, improved the accuracy of product, practiced thrift the manpower.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (2)

1. A novel die for continuous punching and flanging molding is characterized by comprising an upper template (7), an upper die holder (1), an upper base plate (3), a clamping plate (4), a limiting plate (5), a discharging plate (6), a lower template (8), a lower die holder (9), a lower base plate (11), a punching column (13), a lower stripper plate (18), a spring, a first air pipe and a second air pipe; the lower end surface of the upper die holder (1) is connected with the upper backing plate (3); an air inlet bin (2) is arranged in the upper backing plate (3); the air inlet bin (2) is provided with an air inlet opening and a discharge opening for discharging waste materials on the upper base plate (3); the air inlet opening is connected with a first air pipe used for passing through an external air supply device; a first electromagnetic valve is arranged on the first air pipe; the lower end surface of the upper backing plate (3) is connected with an upper template (7); the upper template (7) is provided with a plurality of groups of first through holes (16) along the central axis direction thereof; the multiple groups of first through holes (16) are communicated with the air inlet bin (2); two ends of the limiting plate (5) are respectively connected with the clamping plate (4) and the discharging plate (6); the end surface of the clamping plate (4) far away from the limiting plate (5) is connected with the upper backing plate (3); the clamping plate (4), the limiting plate (5) and the stripper plate (6) are sleeved outside the upper template (7); a plurality of groups of second through holes (10) are arranged on the lower die base (9); the multiple groups of second through holes (10) are connected with multiple groups of second air pipes used for passing through an external air supply device; a plurality of groups of second electromagnetic valves are arranged on the plurality of groups of second air pipes; two ends of the lower backing plate (11) are respectively connected with the lower template (8) and the lower die seat (9); a third through hole (12) penetrating through the lower template (8) and the lower backing plate (11) is formed in the lower template (8) along the direction towards the lower die base (9); the lower stripping plate (18) is connected with the inner wall of the third through hole (12) in a sliding manner, and a plurality of groups of fifth through holes are formed in the lower stripping plate (18); a plurality of groups of springs are all positioned in the third through hole (12), and two ends of the plurality of groups of springs are respectively connected with the lower stripper plate (18) and the lower die holder (9); a plurality of groups of punching columns (13) are all positioned in the third through holes (12), one end of each group of punching columns (13) is connected with the lower die base (9), the other ends of the plurality of groups of punching columns (13) penetrate into the plurality of groups of fifth through holes respectively, and a plurality of groups of fourth through holes (14) are distributed on the plurality of groups of punching columns (13) along the central axis direction thereof; the multiple groups of second through holes (10), the multiple groups of fourth through holes (14) and the multiple groups of first through holes (16) are in one-to-one correspondence, and the multiple groups of second through holes (10), the multiple groups of fourth through holes (14) and the multiple groups of first through holes (16) are communicated in sequence.

2. The novel die for continuous punching and flanging molding according to claim 1, wherein the multiple groups of springs are respectively positioned on the outer sides of the multiple groups of punching columns (13).

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