CN111496093A

CN111496093A - Bending die utilizing liftout

Info

Publication number: CN111496093A
Application number: CN202010408869.5A
Authority: CN
Inventors: 许世璋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-08-07

Abstract

The invention is suitable for the technical field of plane stamping and bending, and provides a bending die utilizing liftout, which comprises an upper die and a lower die, wherein the bottom of the upper die is provided with an upper die bending main body, the lower die is provided with a lower die bending main body, the lower die bending main body is provided with a lower die corner A bending part, a lower die liftout part and a lower die corner B bending part, the upper die bending main body is provided with an upper die corner A bending part, an upper die pressing part and an upper die corner B bending part, and the upper die and the lower die are provided with guide assemblies. This utilize mould of bending of liftout passes through the cooperation of guide pillar and guide pin bushing, provides the direction for the pushing down of last mould, utilizes last mould angle A portion of bending in the last mould bending main part of mould, go up mould pressing portion and last mould angle B portion of bending cooperation lower mould bending lower mould angle A portion of bending in the main part, lower mould liftout portion and lower mould angle B portion of bending, can bend the work piece, form angle A and angle B to once only bend the finished product to required angle, efficiency has been promoted.

Description

Bending die utilizing liftout

Technical Field

The invention belongs to the technical field of plane stamping and bending, and particularly relates to a bending die utilizing liftout.

Background

The existing bending die needs to be operated for many times when bending a workpiece, and is low in efficiency. In view of this, the present invention provides a bending mold using a liftout.

Disclosure of Invention

The invention aims to provide a bending die utilizing lifters to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a bending die utilizing liftout comprises an upper die and a lower die, wherein an upper die bending main body is arranged at the bottom of the upper die, a lower die bending main body matched with the upper die bending main body is arranged on the lower die, and guide assemblies are arranged on the upper die and the lower die;

the guide assembly comprises a guide pillar and a guide sleeve;

the guide post is fixed on the top surface of the lower die, and the upper die is provided with a guide sleeve matched with the guide post; when the upper die is pressed downwards, the guide pillar is inserted into the guide sleeve, and the guide pillar is matched with the guide sleeve to provide guide for the downward pressing of the upper die; when a workpiece is bent, the workpiece is placed on the lower die bending main body, the upper die is moved downwards under the guiding action of the guiding assembly, the upper die bending main body moves downwards along with the upper die, and the upper die corner A bending part, the upper die pressing part and the upper die corner B bending part on the upper die bending main body are matched with the lower die corner A bending part, the lower die ejecting part and the lower die corner B bending part on the lower die bending main body, so that the workpiece can be bent to form a corner A and a corner B.

As a further scheme of the invention: and a lower die angle A bending part and a lower die angle B bending part are arranged on the lower die bending main body.

As a further scheme of the invention: and an upper die corner A bending part and an upper die corner B bending part are arranged on the upper die bending main body.

As a further scheme of the invention: the lower die bending main body is provided with a lower die material ejecting part, and the upper die bending main body is provided with an upper die material pressing part.

As a further scheme of the invention: the number of the guide pillars and the guide sleeves is four, the guide pillars and the guide sleeves are distributed in a rectangular shape and correspond to one another.

As a further scheme of the invention: the lower die ejection part on the lower die bending main body is of a cambered surface structure; the workpiece can be a plastic object easy to rebound, the bending of the angle A and the angle B can be designed and modified according to the bending angle of the finished product, and the workpiece rebounds to the required angle after being bent.

As a further scheme of the invention: the lower die ejection part on the lower die bending main body is of a planar structure; under the cooperation of the lower die ejection portion and the upper die pressing portion, the upper die bending main body presses a workpiece downwards, and meanwhile, the workpiece can be bent to form an angle A and an angle B by the cooperation of the lower die angle A bending portion and the upper die angle A bending portion and the cooperation of the lower die angle B bending portion and the upper die angle B bending portion.

Compared with the prior art, the invention has the beneficial effects that:

when the bending die utilizing the liftout is used for bending a workpiece, the workpiece is placed on the lower die bending main body firstly, the upper die is moved downwards, the upper die bending main body moves downwards along with the upper die together, when the upper die is pressed downwards, the guide pillar is inserted into the guide sleeve, through the cooperation of the guide pillar and the guide sleeve, a guide is provided for the pressing of the upper die, an upper die corner A bending part on the upper die bending main body, an upper die pressing part and an upper die corner B bending part are matched with a lower die corner A bending part on the lower die bending main body, the lower die liftout part and the lower die corner B bending part, the workpiece can be bent, an angle A and an angle B are formed, and therefore a finished product is bent to a required angle.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a lower mold in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a lower die bending main body in the embodiment of the invention.

Fig. 4 is a schematic structural diagram of an upper mold in the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an upper die bending main body in the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a finished part in an embodiment of the invention.

In the figure: 1-upper die, 2-guide pillar, 3-upper die bending main body, 4-lower die, 5-guide sleeve, 6-lower die bending main body, 7-lower die corner A bending part, 8-lower die ejection part, 9-lower die corner B bending part, 10-upper die corner A bending part, 11-upper die corner B bending part, 12-upper die pressing part, 13-corner B, 14-corner A, 15-finished piece.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1 to 6, in an embodiment of the present invention, a bending die using liftout includes an upper die 1 and a lower die 4, an upper die bending main body 3 is disposed at the bottom of the upper die 1, a lower die bending main body 6 matched with the upper die bending main body 3 is disposed on the lower die 4, a lower die corner a bending portion 7, a lower die liftout portion 8, and a lower die corner B bending portion 9 are disposed on the lower die bending main body 6, an upper die corner a bending portion 10, an upper die pressing portion 12, and an upper die corner B bending portion 11 are disposed on the upper die bending main body 3, and guide assemblies are disposed on the upper die 1 and the lower die 4; when a workpiece is bent, the workpiece is firstly placed on the lower die bending main body 6, the upper die 1 is moved downwards under the guiding action of the guiding assembly, the upper die bending main body 3 moves downwards along with the upper die 1, and the workpiece can be bent to form an angle A14 and an angle B13 by matching the upper die angle A bending part 10, the upper die pressing part 12 and the upper die angle B bending part 11 on the upper die bending main body 3 with the lower die angle A bending part 7, the lower die ejecting part 8 and the lower die angle B bending part 9 on the lower die bending main body 6, as shown in FIG. 6.

Specifically, the guide assembly comprises a guide pillar 2 and a guide sleeve 5;

the guide post 2 is fixed on the top surface of the lower die 4, and the upper die 1 is provided with a guide sleeve 5 matched with the guide post 2; when the upper die 1 is pressed downwards, the guide pillar 2 is inserted into the guide sleeve 5, and the guide pillar 2 is matched with the guide sleeve 5 to provide guide for the pressing of the upper die 1.

Furthermore, the number of the guide pillars 2 and the guide sleeves 5 is four, and the four guide pillars and the guide sleeves are distributed in a rectangular shape and correspond to each other one by one.

Specifically, a lower die ejection part 8 on the lower die bending main body 6 is of a cambered surface structure; the workpiece can be an easily rebounded plastic object, and the bending angles A14 and B13 of the workpiece can be designed and modified according to the bending angle of the finished product, and the workpiece rebounds to the required angle after being bent.

The working principle of the embodiment of the invention is as follows: when a workpiece is bent, the workpiece is placed on a lower die bending main body 6 firstly, the upper die bending main body 1 moves downwards, the upper die bending main body 3 moves downwards along with the upper die 1, when the upper die 1 presses downwards, the guide pillar 2 is inserted into the guide sleeve 5, and the guide pillar 2 is matched with the guide sleeve 5 to provide a guide for the pressing of the upper die 1, the workpiece can be bent by utilizing an upper die corner A bending part 10, an upper die pressing part 12 and an upper die corner B bending part 11 on the upper die bending main body 3 to be matched with a lower die corner A bending part 7, a lower die ejecting part 8 and a lower die corner B bending part 9 on the lower die bending main body 6, so that an angle A14 and an angle B13 are formed, the finished product is bent to a required angle at one time, and the.

Example 2

Referring to fig. 1 to 6, in an embodiment of the present invention, a bending die using liftout is different from embodiment 1 in that a lower die liftout portion 8 on a lower die bending main body 6 is a planar structure; under the matching of the lower die ejection part 8 and the upper die pressing part 12, the upper die bending main body 3 presses down the workpiece, and simultaneously, the workpiece can be bent by utilizing the matching of the lower die corner A bending part 7 and the upper die corner A bending part 10 and the matching of the lower die corner B bending part 9 and the upper die corner B bending part 11 to form a corner A14 and a corner B13.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an utilize mould of bending of liftout, includes upper die (1) and bed die (4), its characterized in that:

an upper die bending main body (3) is arranged at the bottom of the upper die (1), a lower die bending main body (6) matched with the upper die bending main body (3) is arranged on the lower die (4), and guide assemblies are arranged on the upper die (1) and the lower die (4);

the guide assembly comprises a guide pillar (2) and a guide sleeve (5);

the guide post (2) is fixed on the top surface of the lower die (4), and the upper die (1) is provided with a guide sleeve (5) matched with the guide post (2).

2. The bending die using the lifters according to claim 1, characterized in that:

and a lower die angle A bending part (7) and a lower die angle B bending part (9) are arranged on the lower die bending main body (6).

3. The bending die using the lifters as claimed in claim 2, wherein:

and an upper die corner A bending part (10) and an upper die corner B bending part (11) are arranged on the upper die bending main body (3).

4. The bending die using the lifters according to any one of claims 1 to 3, characterized in that:

and a lower die material ejecting part (8) is arranged on the lower die bending main body (6), and an upper die material pressing part (12) is arranged on the upper die bending main body (3).

5. The bending die using the lifters according to claim 1, characterized in that:

the number of the guide columns (2) and the number of the guide sleeves (5) are four, which are distributed in a rectangular shape and are in one-to-one correspondence.

6. The bending die using the lifters according to claim 4, characterized in that:

and a lower die material ejecting part (8) on the lower die bending main body (6) is of an arc surface structure.

7. The bending die using the lifters according to claim 4, characterized in that:

and a lower die material ejecting part (8) on the lower die bending main body (6) is of a plane structure.