CN216175578U

CN216175578U - Friction-galling-preventing die for aluminum automobile support part

Info

Publication number: CN216175578U
Application number: CN202121841140.3U
Authority: CN
Inventors: 曹令; 李庆斌
Original assignee: Guangdong Qingsheng Technology Co ltd
Current assignee: Guangdong Qingsheng Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-04-05
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to the field of automobile stamping dies, in particular to an aluminum automobile support part anti-friction galling die, which comprises an upper die and a lower die coupled with the upper die, and is characterized in that: the upper die is provided with a pressure plate, a pressure spring is arranged between the pressure plate and the upper die for connection, the upper die is also provided with a forming insert, the forming insert is provided with a rolling device, and the lower female die is provided with a groove corresponding to the forming insert. The stamping die has a simple structure, and the rolling device of the forming insert is used for bending the stamping part, so that the galling phenomenon generated by the stamping of the traditional die is effectively avoided, the product quality and the production efficiency are improved, and the production cost is reduced.

Description

Friction-galling-preventing die for aluminum automobile support part

Technical Field

The utility model relates to the field of automobile stamping dies, in particular to a friction galling prevention die for an aluminum automobile support part.

Background

Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation thereof, thereby obtaining a desired part. The stamping die is indispensable technological equipment for stamping production. The quality, production efficiency, production cost and the like of the stamping part are directly related to the design and manufacture of the die.

In the process of stretching and forming of automobile stamping parts, the phenomenon of galling of a die is very common, which causes quality defects of the stamping parts, the quality requirements of the stamping parts are very strict, any small galling defect can affect the quality of a painted part, the corrosion resistance of the painted part is reduced, the service life of the painted part is shortened, the galling phenomenon also has great influence on the production efficiency, meanwhile, the production cost is also improved, and the galling phenomenon is a problem which always exists in the stamping industry and is a long-standing problem. The automobile stamping and bending shape is complex, the requirement on the precision of the matched dimension is extremely high, and the special treatment of the surface of a workpiece is mostly adopted in the industry. And no good technological mode is generally adopted to solve the problem of galling of the aluminum material, so that the manufacturing is complex, the quality is unstable, the efficiency is low and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aluminium system car support spare prevents friction napping mould, includes last moulding-die, and the lower die of coupling with last moulding-die, its characterized in that: the upper die is provided with a pressure plate, a pressure spring is arranged between the pressure plate and the upper die for connection, the upper die is also provided with a forming insert, the forming insert is provided with a rolling device, and the lower female die is provided with a groove corresponding to the forming insert.

And the lower female die is provided with a material returning spring and an ejector rod, one end of the material returning spring is connected with the lower female die, and the other end of the material returning spring is connected with the ejector rod.

And the lower female die is also provided with a side-proof insert.

When the upper pressing die is coupled with the lower concave die, one side of the forming insert is tightly attached to the anti-side insert, and the gap between the other side of the forming insert and the lower concave die is 5 mm.

When the upper pressing die is coupled with the lower concave die, the gap between the rolling device and the lower concave die is also 5 mm.

The surface of the forming insert opposite to the lower concave die is provided with a cambered surface, and the surface of the forming insert opposite to the anti-side insert is a vertical plane.

The groove is composed of a side-proof insert and a lower concave die.

Has the advantages that:

the utility model has simple structure, replaces the traditional die sliding friction stamping by the rolling friction of the rolling device on the forming insert block, realizes the bending processing of the stamping part, effectively solves the galling phenomenon generated on the surface when the die is stamped, improves the quality and the service life of the stamping part, has simple and convenient operation, improves the production efficiency and reduces the production cost.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is a schematic view of a forming insert structure.

In the figure: 1, pressing a die; 2-lower concave die; 3-pressing a material plate; 4-material pressing spring; 5-forming an insert; 6-material returning spring; 7-a mandril; 8-side-proof insert block; 9-stamping parts; 51-rolling means.

Detailed Description

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 technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, an anti-friction galling die for an aluminum automobile support member comprises an upper die 1 and a lower die 2 coupled with the upper die 1, and is characterized in that: the upper die 1 is provided with a pressure plate 3, a pressure spring 4 is arranged between the pressure plate 3 and the upper die 1 for connection, the upper die 1 is further provided with a forming insert 5, the forming insert 5 is provided with a rolling device 51, and the lower die 2 is provided with a groove corresponding to the forming insert 5.

And a material returning spring 6 and an ejector rod 7 are arranged on the lower female die 2, one end of the material returning spring 6 is connected with the lower female die 2, and the other end of the material returning spring is connected with the ejector rod 7. The pressure flitch 3 with can make the firm fixing of stamping workpiece 9 on die 2 down, press material spring 4 to cause the damage when fixed in the time of can avoiding stamping workpiece 9 simultaneously. Stamping workpiece 9 is pressed by pressure flitch 3 and is fixed while stamping workpiece 9 pushes down ejector pin 7, and after the punching press was accomplished, last moulding-die 1 withdrawed from, ejector pin 7 pops out stamping workpiece 9 under the effect of material returned spring 6, makes things convenient for taking out of stamping workpiece 9.

The lower die 2 is also provided with a side insert preventing block 8, and the rolling device 51 on the forming insert 5 is subjected to the reaction force from the stamping part 9 when the stamping part is processed, so that displacement can occur, and therefore, the forming insert 5 is prevented from being displaced by the limiting insert 8 abutting against the forming insert 5.

When the upper pressing die 1 is coupled with the lower pressing die 2, one side of the forming insert 5 is tightly attached to the anti-side insert 8, the gap between the other side of the forming insert and the lower pressing die 2 is 5mm, and the gap between the rolling device 51 and the lower pressing die 2 is also 5 mm.

As shown in fig. 3, the surface of the forming insert 5 opposite to the lower cavity 2 is provided with a cambered surface, and the surface of the forming insert 5 opposite to the side-preventing insert 8 is a vertical plane. The cambered surface of the forming insert 5 enables the bending part of the processed stamping part 9 to be uniform in specification.

The groove is composed of a side-proof insert 8 and a lower concave die 2.

The working principle of the utility model is as follows:

an upper pressing die 1 is fixed at the top of a punch press, a stamping part 9 to be bent is pre-folded by 45 degrees and then is placed into a lower female die 2, the punch press drives the upper pressing die 1 to move downwards to be coupled with the lower female die 2, a material pressing plate 3 compresses the stamping part 9 under the action of a material pressing spring 4 in the coupling process, a rolling device 51 on a forming insert 5 moves downwards to bend the stamping part 9 to 90 degrees, the punch press moves upwards, an ejector rod 7 ejects the stamping part 9 which is finished to be processed under the action of a material returning spring 6, and the product is taken out to finish the processing.

Has the advantages that: the utility model has simple structure, replaces the traditional die sliding friction stamping by the rolling friction of the rolling device on the forming insert block, realizes the bending processing of the stamping part, effectively solves the galling phenomenon generated on the surface of the stamping part during the stamping of the die, improves the quality and the service life of the stamping part, has simple and convenient operation, improves the production efficiency and reduces the production cost.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the utility model and these modifications should also be considered as the protection scope of the utility model.

Claims

1. The utility model provides an aluminium system car support spare prevents friction napping mould, includes last moulding-die (1), and lower die (2) with last moulding-die (1) coupling, its characterized in that: the stamping die is characterized in that a material pressing plate (3) is arranged on the upper pressing die (1), a material pressing spring (4) is arranged between the material pressing plate (3) and the upper pressing die (1) to be connected, a forming insert (5) is further arranged on the upper pressing die (1), a rolling device (51) is arranged on the forming insert (5), and a groove corresponding to the position of the forming insert (5) is formed in the lower concave die (2).

2. The aluminum automobile support part anti-friction galling die as recited in claim 1, wherein: be equipped with material returned spring (6) and ejector pin (7) on lower die (2), material returned spring (6) one end is connected with lower die (2), and the other end is connected with ejector pin (7).

3. The aluminum automobile support part anti-friction galling die as recited in claim 1, wherein: and the lower female die (2) is also provided with a side-proof insert (8).

4. The aluminum automobile support part anti-friction galling die as recited in claim 3, wherein: when the upper pressing die (1) is coupled with the lower concave die (2), one side of the forming insert (5) is tightly attached to the anti-side insert (8), and the gap between the other side of the forming insert and the lower concave die (2) is 5 mm.

5. The aluminum automobile support part anti-friction galling die as recited in claim 1, wherein: when the upper pressing die (1) is coupled with the lower pressing die (2), the clearance between the rolling device (51) and the lower pressing die (2) is also 5 mm.

6. The aluminum automobile support part anti-friction galling die as recited in claim 1, wherein: the surface of the forming insert (5) opposite to the lower concave die (2) is provided with a cambered surface, and the surface of the forming insert (5) opposite to the anti-side insert (8) is a vertical plane.

7. The aluminum automobile support part anti-friction galling die as recited in claim 1, wherein: the groove is composed of a side-proof insert (8) and a lower concave die (2).