Automatic trimming die for aluminum alloy forging part

By adding a punch connecting plate and cutting edge clearance to the trimming die of aluminum alloy forgings, and equipping it with a Z-direction guide and limiting structure, the problem of unstable die precision was solved, production stability and die life were improved, and costs were reduced.

CN223629319UActive Publication Date: 2025-12-05ANHUI WANGJIN AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422975303.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-12-05
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

In traditional aluminum alloy forgings, the cutting die punch is directly connected to the spring, making it impossible to add a locating pin. This leads to unstable die accuracy and problems such as die jamming, punch damage to products, and unstable production.

Method used

A punch connecting plate is added between the punch and the elastic element, the gap between the cutting edge and the punch is set, and a Z-direction guide and limiting structure is provided to ensure stable alignment of the punch and the material support table and avoid misalignment.

Benefits of technology

It improves the stability of automated production, extends the service life of molds, and reduces maintenance and production costs.

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Abstract

The utility model discloses an automatic trimming die for aluminum alloy forging parts, which comprises an upper die holder and a lower die holder, a punch connecting plate is connected onto the upper die holder, a plurality of elastic parts are connected between the upper die holder and the punch connecting plate, a punch is connected below the punch connecting plate, a cutting edge is further connected at the lower end of the upper die holder, the cutting edge surrounds the periphery of the punch, and the elastic parts are arranged on the lower die holder. A gap exists between the cutting edge and the punch, and a material supporting table is fixed to the lower die base. Thus, by adding the punch connecting plate, the punch and the punch connecting plate are fixed, the problem that positioning pins cannot be added to the punch is solved, the installation area of the elastic pieces is increased, more elastic pieces can be added and distributed more evenly, dislocation cannot occur when the punch is pressed downwards, and the service life of the punch is prolonged. Therefore, the problems that due to dislocation of the punches, the products are clamped in the production process, the punches crush the products, and flashes of the dies cannot be cut off normally are solved, the stability of automatic production is greatly improved, the service life of the dies is greatly prolonged, and cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a trimming die technical field especially relates to an automatic trimming die of aluminum alloy forge piece. BACKGROUND

[0002] With the rapid development of domestic new energy automobile industry, considering the requirement of whole car light weight. The big host factory is all in the promotion use aluminum alloy forge control arm, and the demand of aluminum alloy forge piece gradually increases. With the increase of demand, many aluminum alloy forge pieces gradually put into automatic production line production.

[0003] The traditional aluminum alloy forge piece's trimming die punch and spring are directly connected, cannot increase the positioning pin to guarantee the stability of the gap between the punch and the blade, thereby with the increase of the use time, the precision of the die is difficult to guarantee, and the problems such as die jam, unable to normally remove the flash, punch bruise product, cause production instability, low product quality, low production efficiency and high cost of die frequent maintenance. UTILITY MODEL CONTENTS

[0004] To solve the technical problems in the background art, the utility model provides an automatic trimming die of aluminum alloy forge piece.

[0005] The utility model discloses an automatic trimming die of aluminum alloy forge piece, including upper die seat and lower die seat, the upper die seat is connected with punch connecting plate, a plurality of elastic pieces are connected between the upper die seat and the punch connecting plate, the punch connecting plate below is connected with punch, and the upper die seat lower extreme still is connected with blade mouth, and the blade mouth surrounds the periphery of the punch, and there is a gap between the blade mouth and the punch, the lower die seat is fixed with the material supporting platform, the upper die seat is fixed between the punch and the material supporting platform through the pressure machine and is pressed, the elastic piece starts to compress, when continuing to press, the blade mouth continues to press and removes the flash of aluminum alloy forge piece.

[0006] Preferably, the gap between the blade mouth and the punch is 0.3mm.

[0007] Preferably, the elastic piece is spring.

[0008] Preferably, Z direction guiding structure and Z direction limiting structure are further equipped between the upper die seat and the lower die seat.

[0009] Preferably, the Z direction guiding structure includes guide pillar fixed in the lower extreme of the upper die seat and guide sleeve fixed in the upper extreme of the lower die seat, and the guide pillar can extend into the guide sleeve and cooperate when pressing.

[0010] Preferably, the Z-direction limiting structure comprises an upper limiting block fixed at the lower end of the upper die holder and a lower limiting block fixed at the upper end of the lower die holder, the upper limiting block and the lower limiting block correspond in position, and when the upper limiting block and the lower limiting block abut, a gap exists between the punch and the material supporting table.

[0011] In summary, the utility model has the following beneficial effects: through increasing punch connecting plate between punch and elastic piece, punch and punch connecting plate are fixed, solve the problem that positioning pin cannot be added on punch, still increase the installation area of elastic piece, can increase more elastic piece and distribute more evenly, make when punch press down not to occur dislocation, thereby avoid because punch dislocation and in production process product occur card mould, punch press the product, mould cannot normally cut off flash problem, greatly promote the stability of automatic production and the service life of mould, and reduce cost.

[0012] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural drawing of automatic edge cutting mould of aluminium alloy forging piece of the utility model embodiment;

[0014] Figure 2 It is the schematic diagram of punch and punch connecting plate of the utility model embodiment;

[0015] Figure 3 It is the three-dimensional structure schematic diagram of upper die holder, punch, material supporting table and lower die holder of the utility model embodiment;

[0016] Figure 4 It is the three-dimensional structure schematic diagram of upper die holder, punch and punch connecting plate of the utility model embodiment;

[0017] Figure 5 It is the three-dimensional structure schematic diagram of blade edge, punch and punch connecting plate of the utility model embodiment.

[0018] In the drawing:

[0019] 1, upper die holder;2, lower die holder;3, punch connecting plate;4, punch;5, blade edge;6, material supporting table;7, spring;8, Z-direction guiding structure;9, Z-direction limiting structure. DETAILED DESCRIPTION

[0020] Embodiments of the present application will be described in detail below, examples of which are represented in the drawings, wherein identical or similar symbols represent identical or similar elements or elements having identical or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0021] As shown in Figures 1-2 The present embodiment proposes an automatic trimming die for aluminum alloy forgings, which comprises an upper die seat 1 and a lower die seat 2, a punch connecting plate 3 is connected to the upper die seat 1, a plurality of elastic members are connected between the upper die seat 1 and the punch connecting plate 3, a punch 4 is connected below the punch connecting plate 3, and a blade edge 5 is further connected to the lower end of the upper die seat 1, the blade edge 5 surrounds the outer periphery of the punch 4, and there is a gap between the blade edge 5 and the punch 4, a material supporting table 6 is fixed on the lower die seat 2, the upper die seat 1 is pressed down by a press machine to fix the aluminum alloy forging between the punch 4 and the material supporting table 6, the elastic members are compressed, and when continuing to press down, the blade edge 5 continues to press down and removes the flash of the aluminum alloy forging.

[0022] Specifically, the elastic member is a spring 7.

[0023] In this way, by adding the punch connecting plate 3 between the punch 4 and the elastic member, the punch 4 and the punch connecting plate 3 are fixed, which solves the problem that positioning pins cannot be added to the punch, and also increases the installation area of the elastic member, so that more elastic members can be added and distributed more evenly, so that the punch will not be misaligned when pressed down, thereby avoiding the problems of product jamming in the mold, product bruising by the punch, and the mold being unable to normally remove the flash during production due to misalignment of the punch, greatly improving the stability of automatic production and the service life of the mold, and reducing the cost.

[0024] Further, the gap between the blade edge 5 and the punch 4 is 0.3mm, and the blade edge 5 and the punch 4 move relative to each other through the gap.

[0025] In the automatic production process, first, the robot gripper of the equipment clamps the finished forging from the final forging die to the trimming die material supporting table 6 in the present embodiment, the press machine presses down the upper die seat 1 to fix the forging between the material supporting table 6 and the punch 4, the top end of the punch 4 is connected to the upper die seat by a spring and a bolt column, so that the forging is fixed by the upper and lower dies at the same time, the spring 7 starts to compress, the blade edge 5 of the upper die continues to press down and removes the flash of the forging, and the forging and the flash are clamped out by the robot gripper, completing the automatic trimming process of the aluminum alloy forging.

[0026] In this embodiment, in order to ensure the stability of the upper die holder 1 when it is pressed down, and to reduce the deviation when the lower die holder 2 is matched, a Z-direction guiding structure 8 is further arranged between the upper die holder 1 and the lower die holder 2. Specifically, the Z-direction guiding structure 8 includes a guide column fixed at the lower end of the upper die holder 1 and a guide sleeve fixed at the upper end of the lower die holder 2, and when pressed down, the guide column can extend into the guide sleeve for matching.

[0027] Further, a Z-direction limiting structure 9 is further arranged between the upper die holder 1 and the lower die holder 2. Specifically, the Z-direction limiting structure 9 includes an upper limiting block fixed at the lower end of the upper die holder 1 and a lower limiting block fixed at the upper end of the lower die holder 2, the positions of the upper limiting block and the lower limiting block correspond to each other in up and down directions, and when pressed down, there is a gap between the punch 4 and the material supporting table 6 when the upper limiting block and the lower limiting block abut. In this way, the lower limiting block and the upper limiting block can play a Z-direction limiting role, so that the punch 4 and the material supporting table 6 will not be in contact.

[0028] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0030] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In the utility model, unless another definite provision and limitation, first feature is on second feature "on" or "under" can be first and second feature direct contact, or first and second feature indirectly contact through intermediate medium. Moreover, first feature is on second feature "on", "above" and "on" can be first feature is on second feature directly or obliquely, or only indicate first feature horizontal height is higher than second feature. First feature is on second feature "under", "below" and "under" can be first feature is on second feature directly or obliquely, or only indicate first feature horizontal height is less than second feature.

[0032] The above merely describes a preferred specific embodiment of the present application, but the scope of protection of the present application is not limited to this. Any person skilled in the art, within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or changes, should be covered within the scope of protection of the present application.

Claims

1. An automated trim die for an aluminum alloy wrought piece comprising an upper die set and a lower die set, characterized in that, The upper die seat is connected with a punch connecting plate, a plurality of elastic members are connected between the upper die seat and the punch connecting plate, a punch is connected below the punch connecting plate, a blade edge is further connected to the lower end of the upper die seat, the blade edge surrounds the outer periphery of the punch, a gap exists between the blade edge and the punch, a material supporting table is fixed on the lower die seat, the aluminum alloy forging is fixed between the punch and the material supporting table by the upper die seat through the pressing machine, the elastic members start to compress, when continuously pressing down, the blade edge continuously presses down and cuts off the flash of the aluminum alloy forging.

2. The automated trim die for an aluminum alloy wrought part of claim 1, wherein, The gap between the blade edge and the punch is 0.3mm.

3. The automated trim die for an aluminum alloy wrought part of claim 1, wherein, The elastic member is a spring.

4. The automated trim die for an aluminum alloy wrought part of claim 1, wherein, Z-direction guiding structure and Z-direction limiting structure are further arranged between the upper die seat and the lower die seat.

5. The automated trim die for an aluminum alloy wrought part of claim 4, wherein, The Z-direction guiding structure comprises a guide column fixed to the lower end of the upper die seat and a guide sleeve fixed to the upper end of the lower die seat, and when pressing down, the guide column can extend into the guide sleeve for cooperation.

6. The automated trim die for an aluminum alloy wrought part of claim 4, wherein, The Z-direction limiting structure comprises an upper limiting block fixed to the lower end of the upper die seat and a lower limiting block fixed to the upper end of the lower die seat, the positions of the upper limiting block and the lower limiting block correspond to each other in up-down direction, and when pressing down, a gap exists between the punch and the material supporting table when the upper limiting block and the lower limiting block abut against each other.