CN219335633U

CN219335633U - Punching trimming die for automobile parts

Info

Publication number: CN219335633U
Application number: CN202320915661.1U
Authority: CN
Inventors: 董现成; 潘朝加
Original assignee: Hubei Suchen Mould Technology Co ltd
Current assignee: Hubei Suchen Mould Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-07-14
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a punching trimming die for automobile parts, which comprises a lower die assembly and an upper die assembly, wherein the lower die assembly comprises a lower die, the upper part of the lower die is provided with a die cavity, and the bottom of the die cavity is provided with a lower punching hole corresponding to a punching hole position of an automobile plate; the hole site part of the automobile plate is formed to be stamped and deformed through the second punching tool and is not separated from the automobile plate, then the second pushing component can drive the second punching tool to be quickly contracted to the inner side of the upper punching tool, then the first pushing component can push the first punching tool to reversely punch the hole site part of the automobile plate, after the second punching tool is subjected to the second punching, the connecting band area of the first punching tool can be quickly broken, and tiny burrs at the edge of the hole site fall back to the inner side of the hole site in the second punching tool, so that the trimming effect is achieved, the automobile plate part can be quickly punched and trimmed and shaped through the mutual cooperation of the structures, and the punching operation and the trimming operation are combined into a processing flow, so that the processing efficiency is further improved.

Description

Punching trimming die for automobile parts

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a punching and trimming die for automobile parts.

Background

Along with the continuous improvement of the living standard of people, the convenient transportation means such as automobiles is more and more similar to that of people; in the later assembly process of the automobile, more sheet metal parts (automobile panels) are required, and the automobile panels are required to be punched in the subsequent process of production so as to carry out final assembly of the automobile.

At present, punching and trimming of the inner plate of the automobile are generally realized through a plurality of working procedures, at least one working procedure of the known processing procedure is used for punching, the other working procedure is used for trimming, the processing procedures are separately and independently carried out, and the procedures become complicated due to the plurality of working procedures, so that the efficient production of the plate of the automobile is not facilitated.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide a punching and trimming die for automobile parts, which solves the problems that the existing punching and trimming processing for automobile inner plates is generally realized through a plurality of procedures on a continuous steel die in the prior art, and the procedures are complicated due to the plurality of processing, so that the efficient production of the automobile plates is not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a punch trimming die for an automobile part, comprising:

the lower die assembly comprises a lower die, a die groove is formed in the upper portion of the lower die, a lower punching hole corresponding to a punching hole position of an automobile plate is formed in the bottom of the die groove, a first punching tool is slidably matched with the inner side of the lower punching hole, an installation cavity is formed in the lower die, and a first pushing assembly capable of driving the first punching tool to move up and down is arranged in the installation cavity;

the upper die assembly comprises an upper die which is matched with the lower die and is positioned right above the lower die, an upper punching hole corresponding to the lower punching hole is formed in the bottom of the upper die, a second punching tool is slidably matched with the inner side of the upper punching hole, an installation cavity is also formed in the upper die, and a second pushing assembly capable of driving the second punching tool to move up and down is arranged in the installation cavity;

wherein the apertures of the lower punched holes and the upper punched holes are the same.

As a preferable scheme of the punching trimming die for the automobile parts, the first pushing component comprises a first mounting plate fixedly connected with the lower end of the first punching tool and a first oil cylinder which is arranged in the lower die and the output end of which is fixedly connected with the lower end of the first mounting plate.

As a preferable scheme of the punching trimming die for the automobile parts, four corners of the upper end of the lower die are provided with positioning holes, and four corners of the lower end of the upper die are fixedly provided with positioning guide rods which can be inserted and embedded into the inner sides of the positioning holes in a sliding manner.

As a preferable scheme of the punching trimming die for the automobile part, the second pushing component comprises a second mounting plate fixedly connected with the upper end of the second punching tool and a second oil cylinder which is arranged in the upper die and the output end of which is fixedly connected with the upper end of the second mounting plate.

Compared with the prior art, the utility model has the beneficial effects that: the punching trimming die for the automobile parts has the characteristics of reasonable and simple structure and easy use; when the punching device is used, the upper die is driven by the hydraulic device to descend and punch the automobile plate in the die cavity, in the process, the top of the first punching tool is contracted at the inner side of the lower punching tool, the second punching tool protrudes out of the extending section at the bottom of the upper die and is smaller than or equal to the thickness of the automobile plate, the hole site part of the automobile plate is formed into punching deformation through the second punching tool and is not separated from the automobile plate, then the second pushing component can drive the second punching tool to be contracted to the inner side of the upper punching tool rapidly, then the first pushing component can push the first punching tool to reversely punch the hole site part of the automobile plate, and as the hole site edge of the automobile plate forms a thinner connecting belt due to the first punching, after the second punching tool is subjected to the second punching, the connecting belt area of the first punching tool is broken rapidly, and tiny burrs at the hole site edge fall back to the inner side of the hole site in the second punching tool, so that the trimming effect is achieved, the automobile plate can be quickly punched and trimmed through the mutual cooperation of the structures, and the trimming process is combined with the trimming process to be an operation, and the processing efficiency is further improved.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present utility model;

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

FIG. 3 is a schematic diagram of a semi-sectional structure of a lower mold assembly according to the present utility model.

In the figure: 100. a lower die assembly; 110. a lower die; 110a, a die cavity; 120. punching the lower part; 130. a first punch; 140. a first pushing assembly; 140a, a first oil cylinder; 140b, a first mounting plate; 150. positioning holes; 200. an upper mold assembly; 210. an upper die; 210a, upper punching; 220. a second punch; 230. a second pushing assembly; 230a, a second oil cylinder; 230b, a second mounting plate; 240. and positioning the guide rod.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1 to 3 are schematic views showing the whole structure of a punching and trimming die for an automobile part according to the present utility model, referring to fig. 1 to 3, the punching and trimming die for an automobile part of the present embodiment includes a lower die assembly 100 and an upper die assembly 200.

The lower die assembly 100 comprises a lower die 110, wherein a die cavity 110a is formed in the upper part of the lower die 110, a lower punching hole 120 corresponding to a punching hole position of an automobile plate is formed in the bottom of the die cavity 110a, a first punching tool 130 is slidably matched with the inner side of the lower punching hole 120, an installation cavity is formed in the lower die 110, and a first pushing assembly 140 capable of driving the first punching tool 130 to move up and down is arranged in the installation cavity; the upper mold assembly 200 comprises an upper mold 210 matched with the lower mold 110 and positioned right above the lower mold 110, an upper punching hole 210a corresponding to the lower punching hole 120 is arranged at the bottom of the upper mold 210, a second punching tool 220 is slidably matched at the inner side of the upper punching hole 210a, an installation cavity is also arranged in the upper mold 210, a second pushing assembly 230 capable of driving the second punching tool 220 to move up and down is arranged in the installation cavity, wherein the apertures of the lower punching hole 120 and the upper punching hole 210a are the same, in the embodiment, the first pushing assembly 140 comprises a first installation plate 140b fixedly connected with the lower end of the first punching tool 130, a first oil cylinder 140a fixedly connected with the lower end of the first installation plate 140b and arranged in the lower mold 110, the second pushing assembly 230 comprises a second installation plate 230b fixedly connected with the upper end of the second punching tool 220, and a second oil cylinder 230a fixedly connected with the upper end of the second installation plate 230b and arranged in the upper mold 210, in use, the automobile panel is placed in the matched die cavity 110a, the upper die 210 is driven by the hydraulic device to vertically descend, and the automobile panel is punched, in the process, the top of the first punch 130 is contracted to the inner side of the lower punch 120, the extension section of the second punch 220 protruding from the bottom of the upper die 210 is smaller than or equal to the thickness of the automobile panel, the hole site of the automobile panel is formed into punching deformation by the second punch 220 and is not separated from the automobile panel, then the second punch 220 is quickly contracted to the inner side of the upper punch 210a by the second pushing component 230, then the first pushing component 140 pushes the first punch 130 to reversely punch the hole site of the automobile panel, because the hole site edge of the automobile panel forms a thinner connecting band due to the first punching, the connecting band area is quickly broken after the second punching of the first punch 130, and the tiny burrs at the edge of the hole site fall back to the inner side of the hole site in the second punching, so that the trimming effect is achieved, the automobile plate parts can be quickly punched and trimmed and shaped through the mutual cooperation of the structures, and the punching and trimming operation is combined into a processing flow, so that the processing efficiency is further improved.

Further, the four corners of the upper end of the lower die 110 are provided with positioning holes 150, the four corners of the lower end of the upper die 210 are fixed with positioning guide rods 240 which can be slidably inserted into the inner sides of the positioning holes 150, and the upper and lower insertion fit of the positioning holes 150 and the positioning guide rods 240 enables the lower die 110 to be accurately jointed with the upper die 210, so that the accurate punching of the automobile plate is facilitated.

In summary, in the punching trimming die for an automobile part of the present embodiment, when in use, an automobile panel is placed into a die cavity 110a matched with the die cavity, then the upper die 210 is driven by a hydraulic device to vertically descend, and the automobile panel is punched, in this process, the top of the first punch 130 is contracted inside the lower punch 120, the protruding section of the second punch 220 protruding from the bottom of the upper die 210 is smaller than or equal to the thickness of the automobile panel, and the hole site part of the automobile panel is formed into punching deformation by the second punch 220 without separating from the automobile panel, then the second pushing component 230 drives the second punch 220 to be contracted to the inside of the upper punch 210a rapidly, then the first pushing component 140 pushes the first punch 130 to reversely punch the hole site part of the automobile panel, and since the hole site edge of the automobile panel is formed into a thinner connecting band by the first punching, after the second punching of the first punch 130, the connecting band area is broken rapidly, and the tiny burrs on the edge fall back to the hole site inside the second punching, so as to achieve the trimming effect of trimming the automobile part by the mutual matching of the above structures.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a punching trimming die for automobile parts which is characterized in that the punching trimming die comprises

The lower die assembly (100) comprises a lower die (110), wherein a die groove (110 a) is formed in the upper part of the lower die (110), a lower punching hole (120) corresponding to a punching hole position of an automobile plate is formed in the bottom of the die groove (110 a), a first punching tool (130) is slidably matched with the inner side of the lower punching hole (120), an installation cavity is formed in the lower die (110), and a first pushing assembly (140) capable of driving the first punching tool (130) to move up and down is arranged in the installation cavity;

the upper die assembly (200) comprises an upper die (210) which is matched with the lower die (110) and is positioned right above the lower die (110), an upper punching hole (210 a) corresponding to the lower punching hole (120) is formed in the bottom of the upper die (210), a second punching tool (220) is slidably matched with the inner side of the upper punching hole (210 a), an installation cavity is also formed in the upper die (210), and a second pushing assembly (230) capable of driving the second punching tool (220) to move up and down is arranged in the installation cavity;

wherein the apertures of the lower punch (120) and the upper punch (210 a) are the same.

2. The trimming die for punching an automobile part according to claim 1, wherein: the first pushing component (140) comprises a first mounting plate (140 b) fixedly connected with the lower end of the first punching tool (130), and a first oil cylinder (140 a) which is arranged in the lower die (110) and the output end of which is fixedly connected with the lower end of the first mounting plate (140 b).

3. The trimming die for punching an automobile part according to claim 1, wherein: positioning holes (150) are formed in four corners of the upper end of the lower die (110), and positioning guide rods (240) which can be slidably inserted into the inner sides of the positioning holes (150) are fixed at four corners of the lower end of the upper die (210).

4. The trimming die for punching an automobile part according to claim 1, wherein: the second pushing assembly (230) comprises a second mounting plate (230 b) fixedly connected with the upper end of the second punching tool (220), and a second oil cylinder (230 a) which is arranged in the upper die (210) and the output end of which is fixedly connected with the upper end of the second mounting plate (230 b).