CN220658967U

CN220658967U - Z bending and burr pressing forming structure

Info

Publication number: CN220658967U
Application number: CN202322237296.6U
Authority: CN
Inventors: 刘勇
Original assignee: Dongguan Yulin Mould Co ltd
Current assignee: Dongguan Yulin Mould Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-26
Anticipated expiration: 2033-08-18

Abstract

The utility model relates to a Z bending and burr pressing forming structure, which comprises an upper die assembly and a lower die assembly which are relatively opened and closed, wherein the upper die assembly comprises an upper stripper plate; the left side of the upper stripper plate is provided with a first bending punch; the lower die assembly comprises a stripper plate supporting seat, a second bending punch, a bending seat and a burr pressing supporting seat; the stripper plate supporting seat is correspondingly arranged below the upper stripper plate; the second bending punch is correspondingly arranged below the first bending punch; the bending seat is arranged on the right side of the second bending punch; the burr-pressing supporting seat is arranged at the left side of the second bending punch; a cavity for forming Z bending is formed among the upper stripper plate, the bending seat, the first bending punch and the second bending punch; the top end surface of the burr-pressing support seat is a horizontal surface, and the edge end of the backboard can be flattened during die assembly so as to remove burrs; according to the forming structure, through the mutually separated parts, the gaps among the parts are adjustable, the Z bending tolerance can be better controlled, higher precision is achieved, and the forming effect is good.

Description

Z bending and burr pressing forming structure

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a Z bending and burr pressing forming structure.

Background

As shown in fig. 1, the illustrated panel is a television backboard, the television backboard is a shell plate on the back of a television, the television backboard is usually formed by stamping metal material metal plates, a Z-shaped folded surface is required to be formed at the edge of the backboard, such as a part enlarged a in the illustrated view, so as to ensure close contact with the assembly surface of a television rear cover and a display screen, an existing folding station generally adopts a two-step folding mode, namely, a large vertical edge is folded first, then the vertical edge is pushed and folded, the station is multiple, and the occupied space is large. Thus, improvements are needed.

Disclosure of Invention

Based on the structure, the utility model provides a Z bending and deburring forming structure.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

a Z bending and burr pressing forming structure, comprising:

an upper die assembly and a lower die assembly which are opened and closed relatively;

the upper die assembly comprises an upper stripper plate; a first bending punch is arranged on the left side of the upper stripper plate;

the lower die assembly comprises a stripper plate supporting seat, a second bending punch, a bending seat and a burr pressing supporting seat; the stripper plate supporting seat is correspondingly arranged below the upper stripper plate; the second bending punch is correspondingly arranged below the first bending punch; the bending seat is arranged on the right side of the second bending punch; the burr-pressing supporting seat is arranged at the left side of the second bending punch;

a cavity for forming Z bending is formed among the upper stripper plate, the bending seat, the first bending punch and the second bending punch; the top end face of the burr-pressing supporting seat is a horizontal plane, and the edge end of the backboard can be flattened during die assembly so as to remove burrs. .

Further, the upper die assembly further comprises an upper die holder, an upper base plate and a stop plate which are sequentially arranged from top to bottom.

Further, the upper stripper plate is arranged at the lower part of the stop plate; the first bending punch is arranged at the lower part of the upper base plate through a punch base plate.

Further, the lower die assembly further comprises a lower die plate, a lower backing plate and a lower die holder which are sequentially arranged from top to bottom.

Further, the second bending punch and the burr-pressing supporting seat are arranged on the upper portion of the lower base plate.

Further, the cavity comprises a first cavity; the first cavity is formed between the upper stripper plate and the bending seat and used for forming the upper surface of the Z bending.

Further, the cavity comprises a second cavity; the second cavity is formed between the first bending punch and the bending seat and used for forming a Z-bent middle surface.

Further, the cavity comprises a third cavity; the third cavity is formed between the first bending punch and the second bending punch and used for forming the lower face of the Z bending.

Further, the device also comprises a bud-drawing punching assembly; the bud extraction punching assembly comprises an abutting piece and a punching needle; the abutting piece is elastically connected in the upper die assembly; the punching needle is correspondingly and elastically connected in the lower die assembly.

Further, the punching abutting seat is sleeved outside the punching needle.

The utility model has the beneficial effects that:

above-mentioned shaping structure, through being equipped with the upper stripper plate of mutual separation, bending seat, first bending drift and the shaping of second bending drift part, the clearance of mutual separation structure between each part is adjustable, can control the tolerance that Z was bent better, reaches higher precision, and shaping is effectual, need not to imitate in advance in the past and process out corresponding continuous die cavity face of bending on same block, is showing the reduction in processing degree of difficulty. And the later stage can adapt to the adjustment to the remembering of any part according to actual assembly effect and demand, has the advantage that the commonality is good, be convenient for maintain.

Still correspond through being equipped with in the lower mould and press the deckle edge supporting seat, the bottom face of first bending drift left side extends to the top of pressing the deckle edge supporting seat, and when the compound die, the corner that first bending drift can drive the backplate is pressed to the deckle edge supporting seat for the corner deckle edge of this backplate is flattened, accomplishes deckle edge pressfitting process, need not extra manual work and polishes, saves the process, improves shipment efficiency.

Drawings

FIG. 1 is a schematic view of a planar and cross-sectional structure of a back plate to be processed according to the background art;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model during mold closing;

FIG. 4 is an enlarged schematic view of a partial structure at C in FIG. 3;

FIG. 5 is an enlarged schematic view of the partial structure at D in FIG. 3;

fig. 6 is a schematic view of a partial structure of the present utility model at the time of mold opening.

100. An upper die assembly; 110. an upper stripper plate; 120. a first bending punch; 130. an upper die holder; 140. an upper backing plate; 150. a stop plate; 160. a punch backing plate;

200. a lower die assembly; 210. a stripper plate support; 220. a second bending punch; 230. a bending seat; 240. a burr pressing support seat; 250. a lower template; 260. a lower backing plate; 270. a lower die holder;

300. a first cavity; 310. a second cavity; 320. a third cavity;

400. a bud extraction punching assembly; 410. an abutment; 420. punching needles; 430. the punch hole abuts against the seat.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 2-6, a structure for forming a Z-bend and a burr includes: an upper die assembly 100 and a lower die assembly 200 that are opened and closed relatively;

the upper die assembly 100 includes an upper stripper plate 110; a first bending punch 120 is arranged on the left side of the upper stripper plate 110; in this embodiment, the upper die assembly 100 further includes an upper die holder 130, an upper pad 140, and a stop plate 150, which are disposed in sequence from top to bottom; the upper release plate 110 is disposed at a lower portion of the stopper plate 150; the first bending punch 120 is disposed at a lower portion of the upper pad 140 through a punch pad 160.

The lower die assembly 200 comprises a stripper plate support 210, a second bending punch 220, a bending seat 230 and a burr-pressing support 240; in this embodiment, the lower die assembly 200 further includes a lower die plate 250, a lower backing plate 260, and a lower die holder 270, which are disposed in sequence from top to bottom; the second bending punch 220 and the burr-pressing support base 240 are disposed at the upper portion of the lower pad 260.

The stripper plate supporting seat 210 is correspondingly disposed below the upper stripper plate 110; the second bending punch 220 is correspondingly disposed below the first bending punch 120; the bending seat 230 is disposed on the right side of the second bending punch 220; the burr-pressing support seat 240 is disposed at the left side of the second bending punch 220; a cavity for forming the Z-bend is formed among the upper stripper plate 110, the bending seat 230, the first bending punch 120 and the second bending punch 220.

Specifically, the mold cavities include a first mold cavity 300, a second mold cavity 310 and a third mold cavity 320 which are communicated; the first cavity 300 is formed between the upper stripper plate 110 and the bending seat 230, and is used for forming a Z-bent upper surface; the second cavity 310 is formed between the first bending punch 120 and the bending seat 230, and is used for forming a middle surface of the Z-bend; the third cavity 320 is formed between the first bending punch 120 and the second bending punch 220, and is used for forming a lower face of the Z-bend.

The top end surface of the burr-pressing support seat 240 is a horizontal surface, and the edge end of the backboard can be flattened during mold closing so as to remove burrs; in this embodiment, an end surface between the first bending punch 120 and the second bending punch 220 is an inclined surface disposed in parallel; the burr-pressing support seat 240 is located at the left side of the second bending punch 220; the top end surface of the burr-pressing support seat 240 is flush-connected with the leftmost side of the top end surface of the second bending punch 220; the vertical projection position of the leftmost side of the bottom end surface of the first bending punch 120 exceeds the leftmost side of the second bending punch 220, so that the leftmost side of the bottom end surface of the first bending punch 120 extends above the deburring support seat 240, and when the mold is closed, the first bending punch 120 can drive the corners of the backboard to press against the deburring support seat 240, so that the corners and burrs of the backboard are flattened, and the deburring pressing procedure is completed;

with continued reference to fig. 1, a part of the enlarged part B is required to be formed with a bud hole for connection between the back plate and the circuit board, and in the conventional continuous stamping die, one more station is required to be additionally provided for bud punching, so as to improve the working efficiency and save the die space, and in this embodiment, the die further comprises a bud punching assembly 400; the bud punch assembly 400 includes an abutment 410 and a punch pin 420; the abutment 410 is elastically coupled to the upper die assembly 100; the punching pin 420 is correspondingly and elastically connected to the lower die assembly 200; a punching abutting seat 430 is sleeved outside the punching needle 420; when the die is bent in Z bending, the abutting piece 410 and the punching abutting seat 430 are close to each other to clamp the backboard, the punching needle 420 upwards penetrates out of the backboard to form a bud hole, and two procedures are completed under the same die structure;

above-mentioned shaping structure, through being equipped with the last board 110 that takes off of mutual separation, bending seat 230, first bending drift 120 and the shaping of second bending drift 220 part, the clearance of mutual separation structure messenger between each part is adjustable for Z bending can control the tolerance better, reaches higher precision, need not to imitate in advance like before and process out corresponding continuous die cavity face of bending on same block, is showing the reduction in processing degree of difficulty. And the later stage can adapt to the adjustment to the remembering of any part according to actual assembly effect and demand, has the advantage that the commonality is good, be convenient for maintain.

Working principle:

firstly, feeding, namely placing a back plate to be bent at a corresponding position on a lower die assembly 200 during die opening, and starting a punching machine to perform a die assembly process;

then starting to mold, the upper stripper plate 110 and the first bending punch 120 descend along with the upper die assembly 100, press the back plate into the stripper plate supporting seat 210, the bending seat 230 and the second bending punch 220, mold Z bending the edge of the back plate, press the edge of the back plate into the burr pressing supporting seat 240 by the first bending punch 120 in the final stage of mold assembly, and flatten the corner burrs;

and finally, opening the die to finish taking materials, and waiting for the next feeding.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a beat Z and bend and press deckle edge shaping structure, includes relative open and shut last module and lower module, its characterized in that:

a cavity for forming Z bending is formed among the upper stripper plate, the bending seat, the first bending punch and the second bending punch; the top end face of the burr-pressing supporting seat is a horizontal plane, and the edge end of the backboard can be flattened during die assembly so as to remove burrs.

2. The structure of claim 1, wherein the upper die assembly further comprises an upper die base, an upper backing plate and a stop plate arranged in sequence from top to bottom.

3. The structure for forming a Z-bend and burr according to claim 2, wherein the upper stripper plate is provided at a lower portion of the stopper plate; the first bending punch is arranged at the lower part of the upper base plate through a punch base plate.

4. The structure of claim 1, wherein the lower die assembly further comprises a lower die plate, a lower backing plate and a lower die holder which are sequentially arranged from top to bottom.

5. The structure of claim 4, wherein the second bending punch and the burr-pressing support are disposed on the upper portion of the lower pad.

6. The Z-bending and deburring forming structure of claim 1, wherein said cavity comprises a first cavity; the first cavity is formed between the upper stripper plate and the bending seat and used for forming the upper surface of the Z bending.

7. The Z-bending and deburring forming structure of claim 1, wherein said cavity comprises a second cavity; the second cavity is formed between the first bending punch and the bending seat and used for forming a Z-bent middle surface.

8. The Z-bending and deburring forming structure of claim 1, wherein said cavity comprises a third cavity; the third cavity is formed between the first bending punch and the second bending punch and used for forming the lower face of the Z bending.

9. The Z-bend and burr-pressing forming structure of claim 1, further comprising a bud-punching assembly; the bud extraction punching assembly comprises an abutting piece and a punching needle; the abutting piece is elastically connected in the upper die assembly; the punching needle is correspondingly and elastically connected in the lower die assembly.

10. The structure of claim 9, wherein the punching pin is provided with a punching abutment.