CN213728871U

CN213728871U - Automobile parts stamping die

Info

Publication number: CN213728871U
Application number: CN202021687598.3U
Authority: CN
Inventors: 张锐; 杨遇春
Original assignee: Feigeruite Suzhou Automobile Technology Co ltd
Current assignee: Feigeruite Suzhou Automobile Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-07-20
Anticipated expiration: 2030-08-13

Abstract

The utility model provides an automobile part stamping die, which comprises an upper die, a lower die, a plate and a film, wherein the lower die corresponds to the upper die, the plate is arranged between the upper die and the lower die, the film is arranged between the plate and the upper die and the lower die, and the film is made of ultra-thin, high-precision, highly-clean, environment-friendly and transparent polyvinyl chloride; the automobile part stamping die solves the problems that the smooth finish of the die pressing surface cannot be guaranteed due to the short processing period of the die, and a very large friction coefficient is generated in the stamping process, so that parts crack and cannot be formed, improves the yield of part processing, improves the processing efficiency and effectively reduces the processing cost through a simple structure.

Description

Automobile parts stamping die

Technical Field

The utility model relates to a machining field, more specifically relates to an automobile parts stamping die.

Background

The sheet metal manufacturing of the project sample car trial production mainly forms automobile parts through a simple die, and in order to reduce the manufacturing period and improve the production efficiency of the automobile sheet metal parts, the boundary dimensional tolerance and the vacancy dimensional accuracy of the parts need to be ensured to meet the design requirements. In order to adapt to the short-period and high-efficiency manufacture and production of qualified automobile part products meeting the quality requirements of various automobile host factories, a soft mold trial manufacturer is required to manufacture a mold meeting the design requirements in a very short period.

However, the machining cycle of the die is too short, so that the numerically-controlled machine tool cannot reach the high finish required by the design state in a short time, and the actually machined die has low finish, so that a very large friction coefficient is generated in the stamping production process, and parts are cracked and cannot be smoothly molded.

Disclosure of Invention

An object of the utility model is to provide an automobile parts stamping die, wherein, stamping die is through setting up the coefficient of friction of film in order to reduce mould compound die state from top to bottom at panel to prevent the part fracture, guarantee that the part can be shaping smoothly, improved the processing yield of part.

Another object of the utility model is to provide an automobile parts stamping die, wherein, stamping die can accomplish the part that meets the requirements in short processing cycle, has improved the efficiency of processing.

Another object of the utility model is to provide an automobile parts stamping die, wherein, automobile parts stamping die simple structure, convenient operation has high practicality.

In order to achieve at least one of the above objects, the present invention provides a stamping die for automobile parts, which comprises an upper die, a lower die, a plate and a film, wherein the lower die and the upper die correspond to each other in position, the plate is disposed between the upper die and the lower die, and the film is disposed between the plate and the upper die and the lower die.

In one embodiment, the lower die comprises a blank holder and a punch movably arranged in the blank holder, and the blank holder is parallel to the top surface of the punch when the lower die is in an open die state.

In one embodiment, the area of the sheet material is larger than the cross-sectional area of the punch, and the upper die and the blank holder are pressed together to clamp the sheet material.

In one embodiment, the upper die is provided with a cavity, and the punch is provided with a core corresponding to the cavity; the upper die and the blank holder clamp the plate and then move downwards to a drawing and die assembly state, and the mold core and the cavity are pressed together to punch and form the plate.

In one embodiment, the punch is provided with a punching area, the membrane covers the punching area, and the area of the membrane is larger than the cross-sectional area of the cut part.

In one embodiment, the membrane is made of polyvinyl chloride.

In one embodiment, the upper die is provided with a positioning block, the blank holder is provided with a positioning groove corresponding to the positioning block, and when the blank holder is pressed against the upper die, the positioning block is clamped in the positioning groove.

Further objects and advantages of the invention will be fully apparent from the ensuing description and drawings.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims.

Drawings

These and/or other aspects and advantages of the present application will become more apparent and more readily appreciated from the following detailed description of the embodiments of the invention, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view illustrating an open state of an automobile part stamping die according to an embodiment of the application.

Fig. 2 is a schematic view illustrating an open state of an automobile part stamping die according to an embodiment of the application.

Fig. 3 is a drawing and clamping state diagram of the automobile part stamping die according to the embodiment of the application.

FIG. 4 illustrates a schematic view of the stamped area according to an embodiment of the present application.

In the figure:

1-a stamping die; 10-upper mould; 20-lower die; 30-a plate material; 40-a film; 21-blank holder; 22-a punch; 100-a cavity; 221-a core; 220-a punching area; 110-a positioning block; 211-positioning groove.

Detailed Description

The terms and words used in the following specification and claims are not limited to the literal meanings, but are used only by the inventors to enable a clear and consistent understanding of the application. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present application are provided for illustration only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

While ordinal numbers such as "first," "second," etc., will be used to describe various components, those components are not limited herein. The term is used only to distinguish one element from another. For example, a first component could be termed a second component, and, similarly, a second component could be termed a first component, without departing from the teachings of the present inventive concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

Fig. 1, 2 and 3 illustrate schematic views of three states of the automobile part stamping die in the part processing process according to the embodiment of the application. The stamping die 1 comprises an upper die 10, a lower die 20 and a plate 30, wherein the lower die 20 corresponds to the upper die 10, the plate 30 is arranged between the upper die 10 and the lower die 20, the plate 30 is formed by stamping the plate 30 through the pressing of the upper die 10 and the lower die 20, preferably, films 40 are respectively arranged between the plate 30 and the upper die 10 and the lower die 20, and the films 40 are attached among the three in the stamping process to reduce the friction coefficient of the die during die assembly. More preferably, in the preferred embodiment of the present application, the membrane 40 is made of an ultra-thin, high precision, highly lubricious, environmentally transparent polyvinyl chloride material; it should be understood that in the present embodiment, a layer of film 40 may be disposed between the plate 30 and the upper mold 10 and the lower mold 20, and a plurality of layers of films 40 may be disposed, so that the friction coefficient may be adjusted according to specific situations.

Specifically, the lower die 20 includes a blank holder 21 and a punch 22 movably disposed in the blank holder 21, the upper die 10 is provided with a cavity 100, the punch 22 is provided with a core 221 corresponding to the cavity 100, as shown in fig. 1, when the stamping die is in a die opening state, the blank holder 21 is parallel to a top surface of the punch 22, as shown in fig. 2, an area of the plate 30 is larger than a cross-sectional area of the punch 22, and the plate 30 is placed on the blank holder 21, so that the plate 30 can be clamped and fixed by the upper die 10 and the blank holder 21; as shown in fig. three, the upper die 10 and the blank holder 21 clamp the sheet material 30 and then move downward to a drawing and clamping state, and the core 221 is pressed into the cavity 100 to punch and form the sheet material 30. More specifically, as shown in fig. 4, the punch 22 has a punching area 220 (shown in dotted line), the film 40 covers the punching area 220, and the area of the film 40 is larger than the cross-sectional area of the part after cutting, so that the film 40 can completely cover the part area, and further prevent the part from cracking during punching.

In a specific stamping process, the upper die 10, the blank holder 21 and the punch 22 are clamped and fixed on a stamping machine, the machine is controlled to lift the upper die 10 to keep the die opening state shown in fig. 1, at the moment, the blank holder 21 is parallel to the top surface of the punch 22, the film 40 made of polyvinyl chloride is cut into a size slightly larger than the cross section area of the cut part and is placed on the stamping area 220, then the plate 30 is placed on the blank holder 21, the film 40 with almost the same size is placed on the plate 30, the machine is controlled to move downwards to the clamping state shown in fig. 2 to clamp the plate 30 by the upper die 10 and the blank holder 21, and then the machine is controlled to move downwards to the drawing state shown in fig. 3 to press the core 221 of the punch 22 and the cavity 100 to form the plate 30 by stamping, finally the stamped sheet material 30 is cut to form the final part.

Furthermore, the upper die 10 is provided with a positioning block 110, the blank holder 21 is provided with a positioning groove 211 corresponding to the positioning block 110, and the positioning block 110 can be clamped in the positioning groove 211 to facilitate positioning during die assembly.

Through the novel process, the problems that the smooth finish of the die pressing surface cannot be guaranteed due to the short processing period of the die, and a very large friction coefficient is generated in the stamping process, so that the part is cracked and cannot be formed are solved, the yield of part processing is improved, the processing efficiency is improved, and the processing cost is effectively reduced.

The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.

Claims

1. The utility model provides an automobile parts stamping die, its characterized in that, includes mould, lower mould, panel and film, wherein, the lower mould with it corresponds each other to go up the mould, panel set up in go up the mould with between the lower mould, the film set up in panel with go up the mould and between the lower mould.

2. The automobile part stamping die according to claim 1, wherein the lower die comprises a blank holder and a punch movably disposed in the blank holder, and the blank holder is parallel to a top surface of the punch when in an open state.

3. The automobile part stamping die according to claim 2, wherein the area of the plate is larger than the cross-sectional area of the punch, and the upper die and the blank holder are pressed against each other to clamp the plate.

4. The automobile part stamping die according to claim 3, wherein the upper die is provided with a cavity, and the punch is provided with a core corresponding to the cavity; the upper die and the blank holder clamp the plate and then move downwards to a drawing and die assembly state, and the mold core and the cavity are pressed together to punch and form the plate.

5. The automobile part stamping die according to claim 4, wherein the punch has a stamping area thereon, the film covers the stamping area, and the area of the film is larger than the cross-sectional area of the cut part.

6. The automobile part stamping die of claim 1, wherein the film is made of polyvinyl chloride.

7. The automobile part stamping die according to claim 2, wherein the upper die is provided with a positioning block, the blank holder is provided with a positioning groove corresponding to the positioning block, and when the blank holder is molded with the upper die, the positioning block is clamped in the positioning groove.