CN216324895U - Auxiliary rapid self-centering device of hot extrusion die - Google Patents

Abstract

The utility model belongs to the field of forging processing tools, and particularly relates to an auxiliary rapid self-centering device of a hot extrusion die, which comprises a body extending along the vertical direction, wherein the upper end of the body is detachably connected with corresponding forging equipment, the lower end of the body is provided with a centering assembly, the centering assembly comprises a linkage pin shaft arranged on the body and a centering claw hinged on the linkage pin shaft, the centering claw is provided with a first centering surface and a second centering surface which are adjacent, when the centering claw is in a natural state, the first centering surface and the second centering surface form a bayonet with a downward opening, and when the centering claw is in a centering state, the centering claw rotates until the first centering surface is in contact with the end face of a corresponding workpiece, and the second centering surface is in contact with the periphery of the corresponding workpiece. The auxiliary rapid self-centering device provided by the utility model is suitable for a metal hot stamping process, and has the characteristics of convenience, low labor intensity, high efficiency and low cost.

Description

Auxiliary rapid self-centering device of hot extrusion die

Technical Field

The utility model belongs to the field of forging processing tools, and particularly relates to an auxiliary rapid self-centering device of a hot extrusion forming die.

Background

The axle shaft sleeve is an important part on the automobile drive axle assembly, and mainly has the functions of fixing the axial relative positions of wheels, supporting the mass of a frame and each assembly on the frame and bearing the road reaction force and moment transmitted from the wheels.

In the field of shell manufacturing at present, manufacturers can complete shell blank production work by a mode of local contraction forming of a seamless tube through hot extrusion in order to save production cost and reduce heating energy consumption. In the existing forging production technology, a pipe material centering tool during shell forging still applies downward pressure to a blank in a mode that a conventional plane pressure head is attached to the end face of a pipe material to complete the forging process. In the forging and pressing process, due to the structural problem of the plane pressure head, in the process of actually producing the shell forging, the wall deviation of a product is difficult to guarantee, the yield of a blank is low, the production stability is poor, long-term manual correction processing is needed, the labor intensity of workers is high, the influence of the blank placing angle on the product quality is large, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides an auxiliary rapid self-centering device of a hot extrusion forming die, which aims to solve the problem of high labor intensity in the prior art.

The utility model relates to an auxiliary rapid self-centering device of a hot extrusion forming die, which adopts the following technical scheme: the utility model provides a supplementary quick self-centering device of hot extrusion forming die, includes the body that extends along upper and lower direction, its characterized in that, the upper end and the corresponding forging and pressing equipment releasable connection of body, the lower extreme of body is equipped with the subassembly of rightting, the subassembly of rightting including set up the linkage round pin axle on the body, articulate the claw of righting on the linkage round pin axle, the claw of righting has two adjacent first right faces, the second right face, when the claw of righting is in natural state, first right face, the second right face form the bayonet socket that the opening is down, when the claw of righting is in the state of righting, the claw of righting rotates to first right face and corresponding work piece end face contact, the second right face and the periphery contact of corresponding work piece.

As an improvement, the righting claw is L-shaped.

As an improvement, the lower end of the body is provided with a groove, and the linkage pin shaft is arranged on the side wall of the groove.

As an improvement, the righting assembly further comprises an elastic member for restoring the righting claw.

As an improvement, the elastic part is a spring arranged on a linkage pin shaft, one support arm of the spring is in contact with the lower end of the body, and the other support arm of the spring is in contact with a spring pin arranged on one side of the second righting surface.

As a refinement, the length of the first counterface is smaller than the second counterface.

As a refinement, the angle between the first and second righting surfaces is less than 90 °.

The utility model has the beneficial effects that:

the auxiliary rapid self-centering device of the hot extrusion forming die provided by the utility model has the following advantages:

(1) the self-centering device automatically works through the spring and the forging pressure of forging equipment, does not need manual participation, reduces the labor intensity, and has good righting stability and high efficiency, and the production efficiency is improved by 30%;

(2) the centralizing claws with different specifications can be used according to different structures and sizes of products, so that the application range is wide;

(3) each part of the self-centering device is convenient and quick to process and replace, the service life of the body is long, the cost of easily damaged parts is low, and the use cost is reduced by 40%;

(4) the body need not to be demolishd in the handling process, change righting claw can, only need operate alone, handling time reduces 50%, intensity of labour greatly reduced, and the security is showing and is improving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of an embodiment of an auxiliary fast self-centering device for a hot extrusion mold according to the present invention;

FIG. 2 is a diagram illustrating a state of use of the auxiliary fast self-centering device of the hot extrusion molding mold according to the present invention;

reference numerals:

1-1 part of a body, 1-2 parts of a spring, 1-3 parts of a linkage pin shaft, 1-4 parts of a righting claw, 1-5 parts of a spring pin, 1-6 parts of a first righting face, 1-7 parts of a second righting face, 2 parts of a workpiece, 3 parts of a grinding tool.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms than those herein described and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the utility model and, therefore, the utility model is not to be limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model discloses an embodiment of an auxiliary rapid self-centering device of a hot extrusion forming die. As shown in figures 1 and 2, the auxiliary rapid self-centering device of the hot extrusion forming die comprises a body 1-1 extending in the up-and-down direction, wherein the upper end of the body 1-1 is detachably connected with corresponding forging equipment, specifically, the embodiment adopts threaded connection, the lower end of the body 1-1 is provided with a centering assembly, the centering assembly comprises a linkage pin shaft 1-3 arranged on the body 1-1 and a centering claw 1-4 hinged on the linkage pin shaft 1-3, the centering claw 1-4 is provided with two adjacent first centering faces 1-6 and second centering faces 1-7, when the centering claw 1-4 is in a natural state, the first centering face 1-6 and the second centering face 1-7 form a bayonet with a downward opening, and when the centering claw 1-4 is in a centering state, the centering claw 1-4 rotates until the first centering face 1-6 is in contact with the end face of a corresponding workpiece 2, The second counterface 1-7 is in contact with the periphery of the respective workpiece 2.

In this embodiment the centralizing claws 1-4 are "L" shaped, wherein the length of the first centralizing surface 1-6 is smaller than the second centralizing surface 1-7.

In order to improve the structural reasonability and reliability of the device, the lower end of the body 1-1 is provided with a groove, and the linkage pin shaft 1-3 is arranged on the side wall of the groove.

In order to facilitate the resetting of the righting claws 1-4 and improve the efficiency, the righting assembly also comprises an elastic part used for resetting the righting claws 1-4. Specifically, the elastic element is a spring 1-2 arranged on a linkage pin shaft 1-3, one support arm of the spring 1-2 is in contact with the lower end of the body 1-1, the other support arm of the spring 1-2 is in contact with a spring pin 1-5 arranged on one side of a second right side 1-7, and the spring 1-2 in the embodiment is specifically a torsion spring 1-2.

In this embodiment the angle between the first counterface 1-6 and the second counterface 1-7 is less than 90, in particular the first counterface 1-6 is in surface or line contact with the end of the workpiece 2 and the second counterface 1-7 is in point or line contact with the periphery of the workpiece 2.

When in use, the body 1-1 is arranged on forging equipment, and the centralizing claw 1-4 is automatically opened under the elasticity of the spring 1-2; after the forging equipment runs, the body 1-1 is driven by forging pressure to move downwards, the centering claws 1-4 are in contact with the workpiece 2, the centering claws 1-4 rotate around the linkage shaft pins 1-3 after being subjected to the downward forging pressure and the reaction force of the workpiece, and the centering claws 1-4 automatically clamp the workpiece 2; the device body 1-1 continues to move downwards, and the workpiece 2 begins to deform in the die 3 under the thrust of the body 1-1; when the workpiece 2 reaches a preset shape, after stamping, the body 1-1 moves upwards, the centralizing claws 1-4 leave the workpiece 2, the centralizing claws 1-4 are pushed by the springs 1-2 to return to an open state, the workpiece is clamped out of the die cavity, and production is finished.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (7)

1. The utility model provides a supplementary quick self-centering device of hot extrusion die, includes the body that extends along upper and lower direction, its characterized in that, the upper end and the corresponding forging and pressing equipment releasable connection of body, the lower extreme of body is equipped with the subassembly of rightting, the subassembly of rightting including set up the linkage round pin axle on the body, articulate the claw of righting on the linkage round pin axle, the claw of righting has two adjacent first righting face, second righting face, when the claw of righting is in natural state, first righting face, second righting face form the bayonet socket that the opening is down, when the claw of righting is in the state of righting, the claw of righting rotates to first righting face and corresponding work piece end face contact, second righting face and the periphery contact of corresponding work piece.

2. The auxiliary rapid self-centering device for the hot extrusion die of claim 1, wherein the centering claw is "L" shaped.

3. The auxiliary rapid self-centering device for the hot extrusion die according to claim 1, wherein the lower end of the body is provided with a groove, and the linkage pin shaft is arranged on a side wall of the groove.

4. The auxiliary rapid self-centering device for the hot extrusion die according to any one of claims 1 to 3, wherein the centering assembly further comprises an elastic member for restoring the centering claw.

5. The auxiliary rapid self-centering device for the hot extrusion die according to claim 4, wherein the elastic member is a spring disposed on the linking pin, one arm of the spring is in contact with the lower end of the body, and the other arm of the spring is in contact with a spring pin disposed on one side of the second centering surface.

6. The auxiliary fast self-centering device for the hot extrusion die of claim 1, wherein the length of the first counterface is smaller than the length of the second counterface.

7. The auxiliary fast self-centering device for hot extrusion die of claim 1, wherein the angle between said first centering surface and said second centering surface is less than 90 °.

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