CN112828155A

CN112828155A - Drawing die is with preventing area spare device

Info

Publication number: CN112828155A
Application number: CN202011630721.2A
Authority: CN
Inventors: 王东
Original assignee: Tianjin Motor Dies Co Ltd
Current assignee: Tianjin Motor Dies Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-25

Abstract

The invention provides a band-preventing device for a drawing die, which is arranged on a drawing female die and comprises an air pipe and an air source for providing air into the air pipe, wherein the drawing female die is provided with a plurality of through holes, one end of the air pipe is sleeved into the through holes, the inner part of the air pipe is communicated with a gap between the drawing female die and a workpiece, and the other end of the air pipe is connected with the air source.

Description

Drawing die is with preventing area spare device

Technical Field

The invention belongs to the field of dies, and particularly relates to a device for preventing a strip part for a drawing die.

Background

Along with the improvement of living standard of people, the demand for automobiles increases, which leads to the great increase of automobile sales, and the automobile manufacturers are also required to improve the automobile yield and the production frequency. For the drawing dies of large-scale outer plate covering parts with large plane areas and large drawing depths, such as an automobile cover outer plate, an automobile door outer plate, a side door outer plate and the like, after drawing work is finished, in the lifting process of a drawing female die, the drawing female die can drive a workpiece to separate from a drawing male die to move upwards, and the workpiece cannot stay on the male die, so that normal production of the workpiece is influenced, and the production frequency is reduced.

Disclosure of Invention

In view of the above, the present invention is directed to provide an anti-strip device for a drawing die, in which the anti-strip device is disposed on a drawing die, and an air layer is formed between the drawing die and a product to rapidly separate the product from the drawing die, so as to overcome the defects of the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows: the anti-strip device for the drawing die is arranged on a drawing female die and comprises an air pipe and an air source for providing air into the air pipe, a plurality of through holes are formed in the drawing female die, one end of the air pipe is sleeved into the through holes, the interior of the air pipe is communicated with a gap between the drawing female die and a workpiece, and the other end of the air pipe is connected with the air source.

Furthermore, each through hole is positioned on the concave circular surface of the drawing concave die.

Further, the distance between every two through holes is 200-300 mm.

Furthermore, the air pipe is connected with the through hole through an H-shaped threaded joint

Furthermore, a speed control valve is further arranged on the air pipe, and two sides of the speed control valve are respectively connected with the air pipe through a type of quick change coupler.

Furthermore, the air pipe is connected with the air source through a partition plate straight joint and an air path joint, one end of the partition plate straight joint is connected with the air pipe, the other end of the partition plate straight joint is connected with the air path joint, and the air path joint is connected with the air source.

Furthermore, every two air pipes are connected in parallel through Y-shaped quick change connectors.

Furthermore, the material of trachea is PVC material.

Compared with the prior art, the strip-preventing device for the drawing die has the following advantages:

1. according to the anti-strip device for the drawing die, air is blown to the drawing female die and the middle of the workpiece to form an air layer so as to quickly separate the workpiece from the drawing female die, so that the workpiece is ensured to stay on the drawing male die, and the normal production of the die is ensured;

2. according to the anti-strip device for the drawing die, the production frequency of a workpiece can be increased from 12 times to 16 times, so that the production frequency of the die is increased;

3. the anti-strip device for the drawing die has the advantages of compact structure, reduction in the debugging difficulty of the drawing die, shortening of the debugging time, reduction in the labor intensity of a bench worker, good practicability and operability, low manufacturing cost and convenience in use.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a connection structure of a device for preventing a strip part for a drawing die and a female die according to an embodiment of the invention;

FIG. 2 is a schematic view of a connection structure of a device for preventing a strip part for a drawing die and a female die according to an embodiment of the invention;

FIG. 3 is a schematic view of a concave circular surface of a female mold according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a device for preventing a strip of a drawing die according to an embodiment of the invention;

FIG. 5 is a schematic perspective view of an explosion-proof device for a drawing die according to an embodiment of the invention;

FIG. 6 is a schematic cross-sectional view of the device for preventing the strip-like member for the drawing die according to the embodiment of the invention before operation;

FIG. 7 is a schematic sectional structure view of the working process of the anti-strip device for the drawing die according to the embodiment of the invention.

Description of reference numerals:

1-drawing a female die; 11-concave round surface; 12-a through hole; 2-H type threaded joints; 3-the trachea; 4-Y type quick change coupler; 5-a type I quick-change connector; 6-speed control valve; 7-a bulkhead straight-through joint; 8-gas circuit joint; 9-manufacturing the product.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-7, an anti-strip device for a drawing die is arranged on a drawing die 1, the anti-strip device comprises an air pipe 3 and an air source for providing air into the air pipe 3, a plurality of through holes 12 are arranged on a concave circular surface 11 of the drawing die 1, the distance between every two through holes 12 is 200 plus 300mm, the number of the through holes 12 is determined according to the length of the die, one end of the air pipe 3 is sleeved into the through holes 12, the interior of the air pipe 3 is communicated with a gap between the drawing die 1 and a workpiece 9, the other end of the air pipe 3 is connected with the air source, the air source can be an air source of a punching machine tool, the origin pressure of the machine tool is 0.6Mpa, or the air source can be provided by an air blower, and the material of the air pipe 3 is made.

The drawing die is described by taking the example that 4 air pipes 3 are connected with a drawing die 1, wherein 4 air pipes 3 are respectively connected with a through hole 12 on the drawing die 1 through an H-shaped threaded connector 2, every two of the 4 air pipes 3 are connected in parallel through a Y-shaped quick-change connector 4 to form 2 air pipes 3, the 2 air pipes are further connected in parallel through the Y-shaped quick-change connector 4 to form 1 air pipe 3, a speed control valve 6 is further arranged on each air pipe 3, the speed of air is regulated and controlled through regulating the speed control valve 6, and two sides of the speed control valve 6 are respectively connected with the air pipes 3 through a one-shaped quick-change connector 5;

the air pipe 3 is connected with the air source through a partition plate straight joint 7 and an air path joint 8, one end of the partition plate straight joint 7 is connected with the air pipe 3, the other end of the partition plate straight joint is connected with the air path joint 8, and the air path joint 8 is connected with the air source.

The use process of the invention is as follows: firstly, an H-shaped screwed joint 2 is fixed on a concave round surface 11 of a drawing concave die 1, a plurality of through holes 12 for air to be collected are arranged on the concave round surface 11, internal threads are arranged in the through holes 12, and is connected with an H-shaped screwed joint 2 in a threaded way, the H-shaped screwed joint 2 is connected with an air pipe 3, the number of the air pipe 3 and the through holes 12 is determined according to the size of a workpiece, after the drawing is finished, the drawing female die 1 is lifted, meanwhile, an air source blows air to the middle of the drawing female die 1 and the workpiece 9 through the drawing die 1 by using the air pipe 3 of the device for preventing the workpiece from being brought, an air layer is formed between the drawing female die 1 and the workpiece 9 to quickly separate the workpiece 9 from the drawing female die 1, the workpiece 9 is ensured to stay on the drawing male die, the normal production of the die in the drawing process is ensured, the production frequency is improved, and the device for preventing the workpiece from being brought can improve the production frequency of the workpiece from the original 12 times to 16 times.

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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a drawing die is with preventing belting, it establishes on drawing die (1), its characterized in that: the device for preventing the belt part comprises an air pipe (3) and an air source for providing air into the air pipe (3), a plurality of through holes (12) are formed in a drawing female die (1), one end of the air pipe (3) is sleeved into the through holes (12), the interior of the air pipe (3) is communicated with a gap between the drawing female die (1) and a workpiece (9), and the other end of the air pipe (3) is connected with the air source.

2. The device for preventing the strip part for the drawing die as claimed in claim 1, wherein: each through hole (12) is positioned on the concave circular surface (11) of the drawing concave die (1).

3. The device for preventing the strip part for the drawing die as claimed in claim 2, wherein: the distance between every two through holes (12) is 200-300 mm.

4. The device for preventing the strip part for the drawing die as claimed in claim 1, wherein: the air pipe (3) is connected with the through hole (12) through an H-shaped threaded joint (2).

5. The device for preventing the strip part for the drawing die as claimed in claim 1, wherein: the air pipe (3) is also provided with a speed control valve (6), and two sides of the speed control valve (6) are respectively connected with the air pipe (3) through a type of quick change connector (5).

6. The device for preventing the strip part for the drawing die as claimed in claim 1, wherein: the air pipe (3) is connected with the air source through a partition plate straight joint (7) and an air path joint (8), one end of the partition plate straight joint (7) is connected with the air pipe (3), the other end of the partition plate straight joint is connected with the air path joint (8), and the air path joint (8) is connected with the air source.

7. The device for preventing the strip part for the drawing die as claimed in claim 1, wherein: the air pipes (3) are connected in parallel in pairs through Y-shaped quick change connectors (4).

8. The device for preventing the strip part for the drawing die as claimed in claim 1, wherein: the air pipe (3) is made of PVC material.