High-strength automobile lower swing arm aluminum alloy stamping part

Abstract

The utility model discloses a high-strength automobile lower swing arm aluminum alloy stamping part which comprises a tough stamping plate used for supporting and a first lower swing arm stamping plate fixedly arranged on the upper end face of the tough stamping plate. A second lower swing arm stamping plate is fixedly arranged on the lower end face of the tough stamping plate. The first lower swing arm stamping plate, the second lower swing arm stamping plate and the tough stamping plate are of an integrated stamping structure, the first lower swing arm stamping plate and the second lower swing arm stamping plate are aluminum pieces which are light in structure and have the anti-corrosion function, and the tough stamping plate is made of manganese silicon steel with high toughness and strength. The overall toughness and strength of the lower swing arm can be effectively improved, meanwhile, the strength of the weight reduction position of the lower swing arm can be effectively improved through the supporting layer, the fixing layer and the anti-corrosion layer located in the weight reduction groove, and the overall corrosion resistance and structural strength of the lower swing arm can be effectively improved through the connecting layer and the protective outer layer located outside the lower swing arm.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile stamping equipment, in particular to a high-strength automobile lower swing arm aluminum alloy stamping part. Background Art

[0002] Automobile lower arm aluminum alloy stamping parts are an important automobile component, used to support and connect the wheels and the body, and have an important impact on the vehicle's handling, stability and safety. At the same time, aluminum alloy lower arm is more widely used in high-end sedans, off-road vehicles and other vehicles that require light weight and high strength.

[0003] As shown in the utility model patent disclosed in the announcement number: CN217574759U, a high-strength automobile lower swing arm includes a lower swing arm body and a steel main board, one side of the lower swing arm body is connected with a connecting shaft, the top of the lower swing arm body is provided with a positioning hole, one side of the lower swing arm body is provided with a mounting groove, the bottom of the lower swing arm body is provided with a plate groove, and one side of the lower swing arm body is fixedly connected with a reinforcement component. The high-strength automobile lower swing arm is provided with a lower swing arm body, a plate groove, a first reinforcement plate, a second reinforcement plate, a first connecting plate and a second connecting plate. By providing a plate groove on the lower swing arm and providing the first reinforcement plate at the same time, the strength of the lower swing arm can be well strengthened, and the second reinforcement plate, the first connecting plate and the second connecting plate can be installed in the plate groove for reinforcement, thereby being able to well improve the strength of the lower swing arm body and reduce the weight of the lower swing arm body, meet people's daily use needs, and improve the overall quality of the lower swing arm body.

[0004] Although the above-mentioned lower control arm has certain strength, the overall toughness of the above-mentioned lower control arm workpiece is insufficient, and the corrosion resistance of the above-mentioned lower control arm workpiece is also insufficient, so a high-strength automobile lower control arm aluminum alloy stamping part is urgently needed to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a high-strength automobile lower swing arm aluminum alloy stamping part to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a high-strength automobile lower swing arm aluminum alloy stamping part, including a tough stamping plate for support,

[0007] A first lower swing arm stamping plate, wherein the first lower swing arm stamping plate is fixedly arranged on the upper end surface of the tough stamping plate, and a second lower swing arm stamping plate is fixedly arranged on the lower end surface of the tough stamping plate, and the inner end surfaces of the first lower swing arm stamping plate, the second lower swing arm stamping plate and the tough stamping plate are all provided with positioning holes;

[0008] A weight-reducing groove, wherein the weight-reducing groove penetrates to the bottom of the first lower swing arm stamping plate, the second lower swing arm stamping plate and the toughness stamping plate, a support layer is arranged at the bottom of the inner end surface of the weight-reducing groove, a fixing layer is arranged at the upper end surface of the support layer, and an anti-corrosion layer is arranged at the upper end surface of the fixing layer;

[0009] The connecting layer is provided with two groups, which are respectively fixed on the upper end surface of the first lower swing arm stamping plate and the lower end surface of the second lower swing arm stamping plate, and a protective outer layer is fixedly provided on the outside of the connecting layer.

[0010] Preferably, the first lower swing arm stamping plate and the second lower swing arm stamping plate are made of aluminum alloy, which can reduce the weight of the lower swing arm.

[0011] Preferably, the tough stamping plate is made of manganese silicon steel, which can effectively improve the toughness of the lower swing arm.

[0012] Preferably, the first lower swing arm stamping plate, the second lower swing arm stamping plate and the toughness stamping plate are an integrated stamping structure, with aluminum on both sides and steel with strong toughness in the middle. The sandwich structure can effectively improve the strength of the lower swing arm.

[0013] Preferably, the anti-corrosion layer and the protective outer layer are both made of stainless steel, which can effectively improve the corrosion resistance of the lower swing arm workpiece.

[0014] Preferably, the support layer and the fixed layer are both made of mold steel, and the anti-corrosion layer is made of magnesium alloy. The support layer and the fixed layer are made of thinner mold steel with higher strength. Meanwhile, the support layer, the fixed layer and the anti-corrosion layer are integrally stamped, which can effectively improve the strength and corrosion resistance of the lower swing arm workpiece.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The first lower swing arm stamping plate, the second lower swing arm stamping plate and the tough stamping plate of the utility model are an integrated stamping structure. The first lower swing arm stamping plate and the second lower swing arm stamping plate are aluminum parts with a relatively light structure and corrosion resistance. The tough stamping plate is manganese silicon steel with strong toughness and strength, which can effectively improve the overall toughness and strength of the lower swing arm. At the same time, the supporting layer, fixing layer and anti-corrosion layer located inside the weight reduction groove can effectively improve the strength of the weight reduction part of the lower swing arm, and the connecting layer and protective outer layer located outside the lower swing arm can also effectively improve the overall corrosion resistance and structural strength of the lower swing arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a disassembled diagram of the main body of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the main body of the utility model.

[0019] In the figure: 1-first lower swing arm stamping plate, 2-second lower swing arm stamping plate, 3-toughness stamping plate, 4-positioning hole, 5-support layer, 6-fixing layer, 7-anti-corrosion layer, 8-connecting layer, 9-protective outer layer, 10-weight reduction groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-2 The utility model provides an embodiment: a high-strength automobile lower swing arm aluminum alloy stamping part, including a tough stamping plate 3 for support,

[0022] A first lower swing arm stamping plate 1, the first lower swing arm stamping plate 1 is fixedly arranged on the upper end surface of the tough stamping plate 3, and a second lower swing arm stamping plate 2 is fixedly arranged on the lower end surface of the tough stamping plate 3, and the inner end surfaces of the first lower swing arm stamping plate 1, the second lower swing arm stamping plate 2 and the tough stamping plate 3 are all provided with positioning holes 4;

[0023] A weight-reducing groove 10, which penetrates the bottom of the first lower swing arm stamping plate 1, the second lower swing arm stamping plate 2 and the tough stamping plate 3, a support layer 5 is provided at the bottom of the inner end surface of the weight-reducing groove 10, a fixing layer 6 is provided at the upper end surface of the supporting layer 5, and an anti-corrosion layer 7 is provided at the upper end surface of the fixing layer 6;

[0024] The connecting layer 8 includes two groups, which are respectively fixed on the upper end surface of the first lower swing arm stamping plate 1 and the lower end surface of the second lower swing arm stamping plate 2 , and a protective outer layer 9 is fixedly arranged outside the connecting layer 8 .

[0025] The first lower swing arm stamping plate 1 and the second lower swing arm stamping plate 2 are made of aluminum alloy, which can reduce the weight of the lower swing arm.

[0026] The material of the tough stamping plate 3 is manganese silicon steel, which can effectively improve the toughness of the lower swing arm.

[0027] The first lower swing arm stamping plate 1, the second lower swing arm stamping plate 2 and the tough stamping plate 3 are an integrated stamping structure, with aluminum materials on both sides and steel with strong toughness in the middle. The sandwich structure can effectively improve the strength of the lower swing arm.

[0028] The materials of the anti-corrosion layer 7 and the protective outer layer 9 are both stainless steel, which can effectively improve the corrosion resistance of the lower swing arm workpiece.

[0029] The support layer 5 and the fixed layer 6 are both made of mold steel, and the anti-corrosion layer 7 is made of magnesium alloy. The support layer 5 and the fixed layer 6 are made of thinner mold steel with higher strength. At the same time, the support layer 5, the fixed layer 6 and the anti-corrosion layer 7 are integrally stamped, which can effectively improve the strength and corrosion resistance of the lower arm workpiece.

[0030] Working principle: When in use, the first lower swing arm stamping plate 1, the second lower swing arm stamping plate 2 and the tough stamping plate 3 are an integrated stamping structure, the first lower swing arm stamping plate 1 and the second lower swing arm stamping plate 2 are aluminum parts with a relatively light structure and corrosion resistance, the tough stamping plate 3 is manganese silicon steel with strong toughness and strength, which can effectively improve the overall toughness and strength of the lower swing arm, while the supporting layer 5, fixing layer 6 and anti-corrosion layer 7 located inside the weight reduction groove 10 can effectively improve the strength of the weight reduction part of the lower swing arm, and the connecting layer 8 and protective outer layer 9 located outside the lower swing arm can also effectively improve the overall corrosion resistance and structural strength of the lower swing arm.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength automobile lower arm aluminum alloy stamping part, comprising a tough stamping plate part (3) for support, characterized in that: A first lower swing arm stamping plate (1), the first lower swing arm stamping plate (1) being fixedly arranged on the upper end surface of the tough stamping plate (3), and a second lower swing arm stamping plate (2) being fixedly arranged on the lower end surface of the tough stamping plate (3), and the inner end surfaces of the first lower swing arm stamping plate (1), the second lower swing arm stamping plate (2) and the tough stamping plate (3) are all provided with positioning holes (4); A weight-reducing groove (10), the weight-reducing groove (10) penetrating the bottom of the first lower swing arm stamping plate (1), the second lower swing arm stamping plate (2) and the tough stamping plate (3), a support layer (5) being arranged at the bottom of the inner end surface of the weight-reducing groove (10), a fixing layer (6) being arranged at the upper end surface of the supporting layer (5), and an anti-corrosion layer (7) being arranged at the upper end surface of the fixing layer (6); A connecting layer (8), wherein the connecting layer (8) is provided with two groups, which are respectively fixedly arranged on the upper end surface of the first lower swing arm stamping plate (1) and the lower end surface of the second lower swing arm stamping plate (2), and a protective outer layer (9) is fixedly arranged outside the connecting layer (8).

2. The high-strength automobile lower swing arm aluminum alloy stamping part according to claim 1 is characterized in that: The first lower swing arm stamping plate component (1) and the second lower swing arm stamping plate component (2) are made of aluminum alloy.

3. The high-strength automobile lower arm aluminum alloy stamping part according to claim 2 is characterized in that: The material of the tough stamping plate (3) is manganese silicon steel.

4. The high-strength automobile lower arm aluminum alloy stamping part according to claim 2 is characterized in that: The first lower swing arm stamping plate component (1), the second lower swing arm stamping plate component (2) and the tough stamping plate component (3) are an integrated stamping structure.

5. The high-strength automobile lower arm aluminum alloy stamping part according to claim 2 is characterized in that: The anti-corrosion layer (7) and the protective outer layer (9) are both made of stainless steel.

6. The high-strength automobile lower arm aluminum alloy stamping part according to claim 2, characterized in that: The support layer (5) and the fixing layer (6) are both made of die steel, and the anti-corrosion layer (7) is made of magnesium alloy.

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