CN218873456U

CN218873456U - Composite die with trimming and flanging functions

Info

Publication number: CN218873456U
Application number: CN202223338795.6U
Authority: CN
Inventors: 熊凯豪; 熊昉
Original assignee: Chongqing Zhongke Zhenbang Industrial Co ltd
Current assignee: Chongqing Zhongke Zhenbang Industrial Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-18
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to a composite die with the functions of trimming and flanging, which comprises an upper die and a lower die which are aligned up and down; the upper die comprises an upper die shell and an upper die block, and an upper molded surface is formed on the lower side surface of the upper die block; an upper cutter extends downwards from the lower end surface of the side wall of the upper die shell, the upper cutter extends along the circumferential direction of the side wall of the upper die shell to form an annular structure, and the inner wall surface of the upper cutter is far away from the center of the upper die compared with the inner wall surface of the side wall of the upper die shell, so that an annular accommodating space is formed between the inner wall surface of the upper cutter and the upper die block; the lower die comprises a lower die shell, a lower die block and an elastic piece, wherein a lower cutter extends upwards from the upper end surface of the side wall of the lower die shell, the lower cutter extends along the circumferential direction of the side wall of the lower die shell to form an annular structure, the outer wall surface of the lower cutter is matched with the inner wall surface of the upper cutter, and the lower cutter can extend into the accommodating space. When the product is pressed, the edge cutting and folding can be synchronously carried out, and the subsequent steps of edge cutting and folding are omitted.

Description

Composite die with trimming and edge folding functions

Technical Field

The utility model relates to the technical field of mold, concretely relates to compound mould with side cut, hem function.

Background

The existing sheet metal products need to be trimmed after being pressed by a composite die, and then the edges of the products are folded by 90 degrees to form folded edges, so that the whole process is complicated.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a compound mould with side cut, hem function when pressing into the product, can cut edge and hem in step, has saved the step of follow-up side cut, hem.

The utility model discloses the technical scheme who adopts does:

a compound die with trimming and edge folding functions comprises an upper die and a lower die which are aligned up and down;

the upper die comprises an upper die shell and an upper die block, the upper die shell is provided with an upper mounting cavity with a downward opening, the upper die block is arranged in the upper mounting cavity, and an upper profile is formed on the lower side surface of the upper die block; an upper cutter extends downwards from the lower end surface of the side wall of the upper mould shell, the upper cutter extends along the circumferential direction of the side wall of the upper mould shell to form an annular structure, and the inner wall surface of the upper cutter is far away from the center of the upper mould compared with the inner wall surface of the side wall of the upper mould shell, so that an annular accommodating space is formed between the inner wall surface of the upper cutter and the upper mould block;

the lower die comprises a lower die shell, a lower die block and an elastic piece, the lower die shell is provided with a lower mounting cavity with an upward opening, the lower die block is vertically movably arranged in the lower mounting cavity, the elastic piece is positioned between the lower die and the lower die block, a lower molded surface is formed on the upper side surface of the lower die block, and the lower molded surface is matched with the upper molded surface; the upper end face of the side wall of the lower mould shell extends upwards to form a lower cutter, the lower cutter extends along the circumferential direction of the side wall of the lower mould shell to form an annular structure, the outer wall surface of the lower cutter is matched with the inner wall surface of the upper cutter, and the lower cutter can extend into the accommodating space.

Preferably, a gap is formed between the inner wall surface of the lower cutter and the outer side surface of the upper mold block.

Preferably, a plurality of support columns are arranged in the lower mounting cavity, one elastic piece is sleeved on each support column, and inserting holes matched with the support columns are formed in the lower side of the lower model block.

Preferably, the periphery of the lower mold block is provided with a first limiting block, the inner wall surface of the lower installation cavity is provided with a second limiting block, and the first limiting block is attached to the second limiting block.

The utility model has the advantages that:

the panel beating material sets up between last mould and bed die, go up mould downstream, it mutually supports to go up mould profile and bed die profile and presses the panel beating material into the shape that needs, and simultaneously, go up cutter and lower cutter cooperation, can cut down the panel beating material in week side, lower cutter can enter into in the accommodation space, and turn over the border of product along the lateral wall of last mould piece 90 upwards, realize the purpose of hem, make the in-process of going up mould and bed die suppression panel beating material, realize the purpose of side cut and hem simultaneously, the trouble that the later stage still need cut edge and hem alone has been removed from.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a first schematic diagram of the present invention;

fig. 2 is a second schematic diagram of the present invention.

In the figure: 1. an upper die; 2. a lower die; 3. producing a product;

11. an upper mould shell; 12. an upper molding block; 13. an upper cutter; 14. an accommodating space;

21. a lower mould shell; 22. a lower model block; 23. a lower cutter; 24. a support column; 25. an elastic member.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in order to avoid obscuring the spirit of the present invention, well-known methods, procedures, flows, and components have not been described in detail.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1 and 2, the utility model provides a composite die with trimming and edge folding functions, which comprises an upper die 1 and a lower die 2 aligned up and down; the upper die 1 comprises an upper die shell 11 and an upper die block 12, wherein the upper die shell 11 is provided with an upper mounting cavity with a downward opening, the upper die block 12 is arranged in the upper mounting cavity, and an upper molded surface is formed on the lower side surface of the upper die block 12; an upper cutter 13 extends downwards from the lower end surface of the side wall of the upper mold shell 11, the upper cutter 13 extends along the circumferential direction of the side wall of the upper mold shell 11 to form an annular structure, and the inner wall surface of the upper cutter 13 is farther away from the center of the upper mold 1 than the inner wall surface of the side wall of the upper mold shell 11, so that an annular accommodating space 14 is formed between the inner wall surface of the upper cutter 13 and the upper mold block 12; the lower die 2 comprises a lower die shell 21, a lower die block 22 and an elastic piece 25, the lower die shell 21 is provided with a lower mounting cavity with an upward opening, the lower die block 22 is movably arranged in the lower mounting cavity up and down, the elastic piece 25 is positioned between the lower die 2 and the lower die block 22, a lower molding surface is formed on the upper side surface of the lower die block 22, and the lower molding surface is matched with the upper molding surface; the upper end surface of the side wall of the lower mould shell 21 extends upwards to form a lower cutter 23, the lower cutter 23 extends along the circumferential direction of the side wall of the lower mould shell 21 to form an annular structure, the outer wall surface of the lower cutter 23 is matched with the inner wall surface of the upper cutter 13, and the lower cutter 23 can extend into the accommodating space 14.

When a sheet metal material is pressed to form a product, the sheet metal material is arranged between an upper die 1 and a lower die 2, and the upper die 1 integrally moves downwards, so that an upper die surface of an upper die block 12 is matched with a lower die surface of a lower die block, and the sheet metal material is pressed into a required shape; in the process, the lower mold block 22 is pushed downwards by the upper mold block 12, and when the lower mold block 22 moves to the lowest side, the upper mold surface and the lower mold surface press the sheet metal material into a required shape (the specific shape is limited by the shapes of the upper mold surface and the lower mold surface), of course, in some embodiments, the upper mold surface and the lower mold surface are only used for fixing the sheet metal material, and at the moment, the upper mold surface and the lower mold surface no longer have the capability of pressing the shape of the product; meanwhile, the upper cutter 13 moves downwards to be matched with the lower cutter 23, specifically, the inner wall surface of the upper cutter 13 is attached to the outer wall surface of the lower cutter 23, so that the product is cut off from other sheet metal materials, and the upper cutter 13 and the lower cutter 23 are both of annular structures, so that the product can be completely cut off from other sheet metal materials, and the purpose of trimming is achieved; the upper die 1 continues to move downwards, so that the lower cutter 23 extends into the accommodating space 14, the lower cutter 23 turns over the edge (corresponding to the accommodating space 14) of part of the product between the upper die block 12 and the upper cutter 13 upwards, and the purpose of edge folding is achieved, and edge folding is completed when the lower die block moves to the lowest side. Finally, the upper die 1 moves upwards again to be separated from the lower die 2, and the lower die block 22 is jacked upwards under the action of the elastic piece 25, so that the product is jacked upwards, and the product is taken out conveniently.

A gap is formed between the inner wall surface of the lower cutter 23 and the outer side surface of the upper mold block 12. The arrangement of the gap enables the folded edge to be contained in the gap, so that the folded edge is more convenient to form, and the folded edge is prevented from being extruded and deformed.

A plurality of supporting columns 24 are arranged in the lower mounting cavity, each supporting column 24 is sleeved with one elastic piece 25, and the lower side of the lower model block 22 is provided with a plug-in hole matched with the supporting column 24. The elastic member 25 may be a spring, which is sleeved on the supporting pillar 24, and a plurality of supporting pillars 24, so that the lower mold block 22 moves up and down more stably.

The periphery of lower mould piece 22 is equipped with first stopper, be equipped with the second stopper on the inner wall face of lower installation cavity, first stopper with the laminating of second stopper. The first stopper and the second stopper are both vertically disposed so that the lower mold block 22 can move only in the up-down direction. Of course, the first limiting block and the second limiting block which are matched with each other are a plurality of limiting block groups, that is, a plurality of first limiting blocks and a plurality of second limiting blocks are arranged, the first limiting blocks are arranged in the circumferential direction of the lower mold block 22, and correspondingly, the second limiting blocks are arranged in the circumferential direction of the lower mounting cavity, so that the movement of the lower mold block 22 in the up-and-down direction can be better limited.

It will be understood that the above-described embodiments are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions may be made in the details described herein by those skilled in the art without departing from the basic principles of the invention.

Claims

1. A composite die with trimming and edge folding functions is characterized by comprising an upper die and a lower die which are aligned up and down;

the upper die comprises an upper die shell and an upper die block, the upper die shell is provided with an upper mounting cavity with a downward opening, the upper die block is arranged in the upper mounting cavity, and an upper profile is formed on the lower side surface of the upper die block; an upper cutter extends downwards from the lower end surface of the side wall of the upper die shell, the upper cutter extends along the circumferential direction of the side wall of the upper die shell to form an annular structure, and the inner wall surface of the upper cutter is far away from the center of the upper die compared with the inner wall surface of the side wall of the upper die shell, so that an annular accommodating space is formed between the inner wall surface of the upper cutter and the upper die block;

2. The composite die with the functions of trimming and flanging as claimed in claim 1, wherein a gap is formed between the inner wall surface of the lower cutter and the outer side surface of the upper die block.

3. The composite die with the functions of trimming and flanging as claimed in claim 1, wherein a plurality of supporting columns are arranged in the lower mounting cavity, each supporting column is sleeved with one elastic piece, and the lower side of the lower die block is provided with a plug-in hole matched with the supporting column.

4. The composite die with the functions of trimming and flanging as claimed in any one of claims 1 to 3, wherein a first limiting block is arranged on the periphery of the lower die block, a second limiting block is arranged on the inner wall surface of the lower mounting cavity, and the first limiting block is attached to the second limiting block.