CN216937816U

CN216937816U - Bending die

Info

Publication number: CN216937816U
Application number: CN202122374417.2U
Authority: CN
Inventors: 舒小军
Original assignee: Wanshengxing Precision Technology Huizhou Co ltd
Current assignee: Wanshengxing Precision Technology Huizhou Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-07-12
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of metal sheet bending, in particular to a bending die, which comprises an upper die structure and a lower die structure, wherein the upper die structure comprises an upper die frame and an upper cutter unit arranged on the upper die frame; the number of the upper cutter units and the number of the lower cutter units are two, the two upper cutter units are respectively positioned at two ends of the upper die carrier, and the two lower cutter units are respectively positioned at two ends of the lower die carrier; the upper cutter unit comprises an upper mounting seat and a bending swinging block arranged at the lower end of the upper mounting seat; the lower cutter unit comprises a lower cutter bending block, and a bending step is arranged on the lower cutter bending block; the bending swing block presses downwards along the step of the bending step to bend the product, and the bending swing block swings when being separated from the bending step to demould the product; the bending machine can simultaneously complete two symmetrical bending, is accurate in operation and convenient to operate, and effectively improves the production efficiency.

Description

Bending die

Technical Field

The utility model relates to the technical field of metal plate bending, in particular to a bending die.

Background

In the process of machining box parts of communication and new energy, products needing bending operations on two sides are often encountered to form a U-shaped structure, and the existing machining method is to perform V-folding machining twice through a bending machine.

The discovery in practical application, the product of U font structure need carry out twice V and roll over and bend, because the phase of bending is less for the product part, does not operate well, and the error is great when bending, and because needs twice V to roll over and bend, leads to the machining efficiency of product poor, is unfavorable for improving production efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems of large bending error and low processing efficiency, the utility model provides the bending die which can simultaneously complete two symmetrical bending steps, is accurate in operation and convenient to operate, and effectively improves the production efficiency.

In order to solve the technical problems, the utility model provides the following specific scheme:

a bending die comprises an upper die structure and a lower die structure, wherein the upper die structure comprises an upper die frame and an upper cutter unit arranged on the upper die frame, and the lower die structure comprises a lower die frame and a lower cutter unit arranged on the lower die frame;

the number of the upper cutter units and the number of the lower cutter units are two, the two upper cutter units are respectively positioned at two ends of the upper die carrier, and the two lower cutter units are respectively positioned at two ends of the lower die carrier;

the upper cutter unit comprises an upper mounting seat and a bending swinging block arranged at the lower end of the upper mounting seat;

the lower cutter unit comprises a lower cutter bending block, and a bending step is arranged on the lower cutter bending block;

the bending swing block presses downwards along the step of the bending step to finish the bending of the product, and the bending swing block swings when being separated from the bending step, so that the product is demoulded.

Optionally, the needle roller is arranged at the end corner of the bending step, so that the problems of breakage, scratch, paint removal and the like of a product in the bending process are effectively solved, and the product quality is improved.

Optionally, the upper cutter unit is detachably arranged on the upper die frame;

the lower cutter unit is detachably arranged on the lower die frame, is suitable for processing products of different models, and has the advantage of high use flexibility.

Optionally, an upper fixing groove is formed in the upper die frame, an upper fixing hole is formed in the upper mounting seat, and an upper fixing screw penetrates between the upper fixing hole and the upper fixing groove;

the lower die carrier is provided with a lower fixing groove, the lower cutter bending block is provided with a lower fixing hole, a lower fixing screw is arranged between the lower fixing hole and the lower fixing groove, corresponding disassembly and installation can be carried out on the upper cutter unit and the lower cutter unit according to actual operation requirements, and the lower die carrier has the advantage of high use flexibility.

Optionally, the number of the upper fixing grooves and the number of the lower fixing grooves are more than two;

go up the mount pad through with different on the fixed slot be connected realize position control, the lower cutter piece of bending realizes position control through being connected with different lower fixed slots, adapts to the demand of bending of different model products, has the advantage that the use flexibility is strong.

Optionally, the number of the upper fixing holes and the number of the lower fixing holes are more than two, so that the mounting stress of the upper mounting seat and the lower cutter bending block is balanced, and the use stability of the bending die is improved.

Optionally, a bending height adjusting block is detachably arranged on the bending step, so that the bending machine is suitable for bending operation of products of different models.

Compared with the prior art, the utility model has the beneficial effects that: the bending die provided by the utility model can simultaneously complete two symmetrical bending, is accurate in operation and convenient to operate, and effectively improves the production efficiency.

Drawings

Fig. 1 is a schematic overall structure diagram of a bending mold provided in an embodiment of the present invention;

FIG. 2 is a state diagram of the upper die structure provided in the embodiment of the present invention pressed downward;

fig. 3 is a diagram illustrating a state of bending a product according to an embodiment of the present invention;

FIG. 4 is a state diagram of the product being demolded as provided in an embodiment of the present invention;

FIGS. 5-8 are enlarged views of bending operations provided in embodiments of the present invention;

wherein, 1 is an upper die structure; 11 is an upper die frame; 111 is an upper fixing groove; 12 is an upper cutter unit; 121 is an upper mounting seat; 1211 is an upper fixing hole; 122 is a bending swinging block; 2 is a lower die structure; 21 is a lower die frame; 211 is a lower fixing groove; 22 is a lower cutter unit; 221 is a lower cutter bending block; 2211 is a lower fixing hole; 222 is a bending step; 223 is a roller pin; 224 is a bending height adjusting block; and 3, a product to be bent.

Detailed Description

In order to explain the technical solution of the present invention in detail, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiment of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

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 invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

For example, a bending die comprises an upper die structure and a lower die structure, wherein the upper die structure comprises an upper die frame and an upper cutter unit arranged on the upper die frame, and the lower die structure comprises a lower die frame and a lower cutter unit arranged on the lower die frame; the number of the upper cutter units and the number of the lower cutter units are two, the two upper cutter units are respectively positioned at two ends of the upper die carrier, and the two lower cutter units are respectively positioned at two ends of the lower die carrier; the upper cutter unit comprises an upper mounting seat and a bending swinging block arranged at the lower end of the upper mounting seat; the lower cutter unit comprises a lower cutter bending block, and a bending step is arranged on the lower cutter bending block; the bending swing block presses downwards along the step of the bending step to finish the bending of the product, and the bending swing block swings when being separated from the bending step, so that the product is demoulded.

The mould of bending that this embodiment provided can accomplish the twice of symmetry simultaneously and bend, and the operation is accurate, and convenient operation effectively improves production efficiency.

As shown in fig. 1-8, a bending die comprises an upper die structure 1 and a lower die structure 2, wherein the upper die structure is arranged at the upper end of the lower die structure, a product 3 to be bent is arranged between the upper die structure and the lower die structure, when the upper die structure is pressed downwards to be attached to the lower die structure, the bending operation of the product to be bent is completed, and when the upper die structure is separated from the lower die structure, the product which is subjected to the bending operation can be taken out.

The upper die structure 1 comprises an upper die carrier 11 and an upper cutter unit 12 arranged on the upper die carrier, and the lower die structure 2 comprises a lower die carrier 21 and a lower cutter unit 22 arranged on the lower die carrier.

Specifically, the number of the upper cutter units and the number of the lower cutter units are two, the two upper cutter units are respectively positioned at two ends of the upper die carrier, and the two lower cutter units are respectively positioned at two ends of the lower die carrier. Two last cutter units correspond with two lower cutter units respectively for the twice of symmetry are bent can be accomplished in one shot operation, and it is accurate to have the operation, and convenient operation effectively improves production efficiency's advantage.

The upper tool unit 12 comprises an upper mounting seat 121 and a bending swing block 122 arranged at the lower end of the upper mounting seat; the lower cutter unit 22 comprises a lower cutter bending block 221, and a bending step 222 is arranged on the lower cutter bending block; the bending swing block presses downwards along the step of the bending step to bend the product, and the bending swing block swings when being separated from the bending step, so that the product is demoulded, and the product is prevented from being clamped on an upper cutter after being formed.

Taking the left upper tool unit as an example, before the bending operation, due to the action of gravity, a gap is formed between the upper surface of the bending swing block and the upper mounting seat, and the right side surface of the bending swing block is tightly attached to the upper mounting seat, specifically, referring to a state diagram of the upper tool unit in fig. 8, during the process of pressing down and bending the upper die structure, the lower surface of the bending swing block is in contact with a product to be bent, so that the upper surface of the bending swing block is tightly attached to the upper mounting seat, and a gap is formed between the right side surface of the bending swing block and the upper mounting seat, as shown in fig. 5-7. After the bending operation is finished, the upper die structure is separated from the lower die structure, and the bending swing block swings under the action of gravity, so that the product is effectively demoulded.

In some embodiments, the needle roller 223 is arranged at the end corner of the bending step 222, so that the problems of breakage, scratch, paint removal and the like of a product in the bending process are effectively solved, and the quality of the product is improved.

In the process that the upper die structure is pressed downwards, the bending swing block moves along the roller pins at the end corners of the bending steps, so that the product is bent in a rolling friction mode, the product is effectively prevented from being scratched and damaged in the bending process, and the product quality is improved.

In some embodiments, the upper cutter unit is detachably disposed on the upper mold frame; the lower cutter unit can be detachably arranged on the lower die carrier, is suitable for processing products of different models, and has the advantage of strong use flexibility.

Specifically, an upper fixing groove 111 is formed in the upper mold frame 11, an upper fixing hole 1211 is formed in the upper mounting base 121, an upper fixing screw penetrates through the upper fixing hole and the upper fixing groove, and the upper mounting base is fixedly mounted on the upper mold frame through the upper fixing screw.

A lower fixing groove 211 is formed in the lower die carrier 21, a lower fixing hole 2211 is formed in the lower tool bending block 221, a lower fixing screw is arranged between the lower fixing hole and the lower fixing groove, and the lower tool bending block is fixedly mounted on the lower die carrier through the lower fixing screw.

Through the demountable installation to last mount pad and bottom tool piece of bending, can carry out corresponding dismantlement and installation to last cutter unit and bottom tool unit according to actual operation needs, have the advantage that the flexibility is strong of using.

In some embodiments, the number of the upper fixing grooves and the number of the lower fixing grooves are more than two; go up the mount pad and realize position control through being connected with different last fixed slots, the lower tool piece of bending realizes position control through being connected with different lower fixed slots, adapts to the demand of bending of different model products, has the advantage that the flexibility is strong in the use, in this example, the quantity of going up fixed slot and lower fixed slot is eight.

In order to balance the installation stress of the upper installation seat and the lower cutter bending block and improve the use stability of the bending die, the number of the upper fixing holes and the number of the lower fixing holes are more than two, and in the example, the number of the upper fixing holes and the number of the lower fixing holes are three.

In some embodiments, the bending step is detachably provided with a bending height adjusting block 224, so as to adapt to bending operations of different types of products.

The bending die provided by the utility model can simultaneously complete two symmetrical bending steps, is accurate in operation and convenient to operate, and effectively improves the production efficiency.

It is understood that different embodiments among the components in the above embodiments can be combined and implemented, and the embodiments are only for illustrating the implementation of specific structures and are not limited to the implementation of the embodiments.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The bending die is characterized by comprising an upper die structure (1) and a lower die structure (2), wherein the upper die structure (1) comprises an upper die frame (11) and an upper cutter unit (12) arranged on the upper die frame (11), and the lower die structure (2) comprises a lower die frame (21) and a lower cutter unit (22) arranged on the lower die frame (21);

the number of the upper cutter units (12) and the number of the lower cutter units (22) are two, the two upper cutter units (12) are respectively positioned at two ends of the upper die carrier (11), and the two lower cutter units (22) are respectively positioned at two ends of the lower die carrier (21);

the upper cutter unit (12) comprises an upper mounting seat (121) and a bending swinging block (122) arranged at the lower end of the upper mounting seat (121);

the lower cutter unit (22) comprises a lower cutter bending block (221), and a bending step (222) is arranged on the lower cutter bending block (221);

the bending swing block (122) is pressed down along the step of the bending step (222) to finish the bending of the product, and the bending swing block (122) swings when being separated from the bending step (222), so that the product is demoulded.

2. The bending die of claim 1, wherein a needle roller (223) is arranged at an end corner of the bending step (222).

3. The bending die according to claim 1, wherein the upper cutter unit (12) is detachably arranged on the upper die frame (11);

the lower cutter unit (22) is detachably arranged on the lower die carrier (21).

4. The bending die according to claim 3, wherein an upper fixing groove (111) is formed in the upper die frame (11), an upper fixing hole (1211) is formed in the upper mounting base (121), and an upper fixing screw penetrates between the upper fixing hole (1211) and the upper fixing groove (111);

the lower die carrier (21) is provided with a lower fixing groove (211), the lower cutter bending block (221) is provided with a lower fixing hole (2211), and a lower fixing screw is arranged between the lower fixing hole (2211) and the lower fixing groove (211).

5. The bending die according to claim 4, wherein the number of the upper fixing grooves (111) and the lower fixing grooves (211) is two or more;

the upper mounting seat (121) is connected with different upper fixing grooves (111) to realize position adjustment, and the lower cutter bending block (221) is connected with different lower fixing grooves (211) to realize position adjustment.

6. The bending die according to claim 4, wherein the number of the upper fixing holes (1211) and the lower fixing holes (2211) is two or more.

7. The bending die of claim 1, wherein a bending height adjusting block (224) is detachably arranged on the bending step (222).