Liquid cooling anti-deformation aluminum alloy anti-collision beam welding clamp

Abstract

The utility model discloses a liquid cooling anti-deformation aluminum alloy anti-collision beam welding fixture, and belongs to the technical field of welding fixtures. The fixture comprises a fixture device and a bottom plate; the bottom of the bottom plate is fixedly connected with a cooling circulation system; the clamp device comprises a liquid cooling device, an energy absorption box clamp and an anti-collision beam mounting plate; the liquid cooling device is fixed above the bottom plate, the anti-collision beam mounting plate is arranged above the liquid cooling device, and the energy absorption box clamp is arranged above the anti-collision beam mounting plate; the liquid cooling device comprises a liquid cooling device main body; a cooling pipeline is arranged in the liquid cooling device body, and the liquid cooling device is connected with the cooling circulation system. According to the technical scheme, the range temperature stability of the welding position of the anti-collision beam bottom plate is effectively controlled, the thermal deformation risk in the welding process is effectively reduced, the size precision of a welding part is ensured, and the rejection rate and the rework cost are reduced.

Description

Technical Field

[0001] The present application relates to the technical field of welding fixtures, and in particular to a liquid-cooled, anti-deformation aluminum alloy anti-collision beam welding fixture. Background Art

[0002] The anti-collision beam is an important component of the modern automobile safety system. It can absorb and disperse the impact force when the vehicle collides, so that the internal parts and occupants of the vehicle are affected to the minimum. In recent years, under the general trend of lightweight automobiles, aluminum alloy anti-collision beams have been widely used by automobile manufacturers because of their lightweight and strength advantages over steel anti-collision beams, and their production demand continues to increase. Welding, as an important part of the production process of aluminum alloy anti-collision beams, affects the quality and performance of the product. At present, most aluminum alloy anti-collision beams are welded using MIG welding. Due to the high thermal conductivity and thermal expansion coefficient of aluminum alloys, aluminum alloy anti-collision beams are greatly affected by temperature during the welding process. During welding, the installation base plate of the aluminum alloy anti-collision beam is often unevenly heated and prone to warping and deformation, resulting in unqualified overall dimensions and quality problems. Utility Model Content

[0003] The purpose of the present application is to provide a liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture to solve the problem of thermal deformation of the anti-collision beam mounting bottom plate parts due to uneven heating when the anti-collision beam bottom plate and the energy absorption box are welded.

[0004] The technical solution of the present application is: to provide a liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture, the fixture comprising: a fixture device, a bottom plate;

[0005] A fixture device is installed on the upper part of the base plate, and the bottom of the base plate is fixedly connected to the cooling circulation system;

[0006] The fixture device includes a liquid cooling device, an energy absorption box fixture and an anti-collision beam mounting plate;

[0007] The liquid cooling device is fixed above the bottom plate, an anti-collision beam mounting plate is arranged above the liquid cooling device, and an energy absorption box clamp is arranged above the anti-collision beam mounting plate;

[0008] The liquid cooling device comprises a liquid cooling device body;

[0009] A cooling pipeline is arranged inside the main body of the liquid cooling device, and the liquid cooling device is connected to the cooling circulation system.

[0010] In any of the above technical solutions, further, the liquid cooling device also includes a water inlet and a water outlet; the water inlet and the water outlet are respectively arranged on one side of the liquid cooling device body, and the water inlet and the water outlet are respectively connected to the inlet and outlet of the cooling pipeline inside the liquid cooling device body.

[0011] In any of the above technical solutions, further, the liquid cooling device is connected to the cooling circulation system through a pipeline

[0012] In any of the above technical solutions, further, the clamp device includes a clamping device; the clamping device is fixed on the bottom plate, and the clamping device is located on both sides of the anti-collision beam mounting plate.

[0013] In any of the above technical solutions, further, the clamp device is provided in two sets and is symmetrically installed on the base plate.

[0014] In any of the above technical solutions, further, the liquid cooling device also includes a first sealing block, a second sealing block and a third sealing block;

[0015] A first sealing block is arranged on one side of the liquid cooling device body, and a second sealing block and a third sealing block are arranged on the other side. The water inlet and the water outlet are arranged on the second sealing block and the third sealing block respectively.

[0016] In any of the above technical solutions, further, the liquid cooling device also includes a first support frame and a second support frame;

[0017] A plurality of first support frames and second support frames are installed at the bottom of the liquid cooling device.

[0018] The beneficial effects of this application are:

[0019] The technical solution in the present application is that the bottom plate of the anti-collision beam is fixed on the mounting plate of the anti-collision beam by a clamping device, the energy absorption box is fixed on the energy absorption box clamp, the mounting plate of the anti-collision beam is in close contact with the liquid cooling device, and the liquid cooling device is connected to the coolant circulation system through a pipeline to form a coolant circulation loop; when the anti-collision beam and the energy absorption box are welded, the high temperature generated by the welding fixture during welding is reduced by the coolant in the liquid cooling device, and the temperature stability of the welding position of the bottom plate of the anti-collision beam is effectively controlled; through this technology, the risk of thermal deformation during welding is effectively reduced, the dimensional accuracy of the welded parts is ensured, and the scrap rate and rework costs are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The advantages of the above and / or additional aspects of the present application will become apparent and easily understood in the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 is a general front view of a liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture according to an embodiment of the present application;

[0022] Figure 2 is a top view of the overall view of a liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture according to an embodiment of the present application;

[0023] Figure 3 is a schematic diagram of a liquid cooling device according to an embodiment of the present application;

[0024] Figure 4This is a diagram of the internal flow path of a liquid cooling device according to an embodiment of the present application.

[0025] Among them, 1-clamp device, 2-bottom plate, 11-clamping device, 12-liquid cooling device, 13-energy absorption box clamp, 14-anti-collision beam mounting plate, 121-liquid cooling device body, 122-first sealing block, 123-first support frame, 124-water inlet, 125-second sealing block, 126-second support frame, 127-water outlet and 128-third sealing block. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the following description, many specific details are elaborated to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited to the specific embodiments disclosed below.

[0028] like Figure 1 and Figure 2 As shown, this embodiment provides a liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture, the fixture comprising: a fixture device 1, a bottom plate 2;

[0029] Two sets of symmetrical fixture devices 1 are installed on the bottom plate 2, the bottom of the bottom plate 2 is fixedly connected to the cooling circulation system, and the fixture devices 1 are connected to the cooling circulation system;

[0030] Specifically, the bottom plate 2 is a rectangular plate, and two sets of clamp devices 1 are fixedly connected to the bottom plate 2. The two sets of clamp devices 1 are used to clamp and weld the two ends of the bottom plate of the anti-collision beam; the clamp device 1 is connected to the cooling circulation system through a pipeline;

[0031] The fixture device 1 includes a clamping device 11, a liquid cooling device 12, an energy absorption box fixture 13 and an anti-collision beam mounting plate 14;

[0032] The liquid cooling device 12 and the clamping device 11 are arranged on the base plate 2, the clamping device 11 is located on both sides of the anti-collision beam mounting plate 14, the anti-collision beam mounting plate 14 is arranged above the liquid cooling device 12, and the energy absorption box clamp 13 is arranged above the anti-collision beam mounting plate 14; the liquid cooling device 12 is connected to the cooling circulation system; the anti-collision beam mounting plate 14 is used to clamp the anti-collision beam bottom plate, and the energy absorption box clamp 13 is used to clamp the energy absorption box.

[0033] Specifically, clamping devices 11 are provided at both ends of each clamping device 1, and a clamping plate is provided on the upper part of the clamping device 11, and a clamping cylinder is provided at the lower part, and the clamping cylinder and the clamping plate cooperate to clamp and fix the anti-collision beam; the bottom of the liquid cooling device 12 is fixed on the bottom plate 2, and the upper part is fixedly connected to the anti-collision beam mounting plate 14, and a cooling pipeline is arranged inside, and the cooling pipeline cools the high temperature generated when the bottom plate of the anti-collision beam is welded on the anti-collision beam mounting plate 14; the anti-collision beam mounting plate 14 is an "L"-shaped plate, and the bottom is installed on the upper surface of the liquid cooling device 12, and the upper surface of the anti-collision beam mounting plate 14 is used to place the anti-collision beam; one end of the energy absorption box clamp 13 is installed on the bottom plate 2, and the other end is located above the anti-collision beam mounting plate 14, and a preset distance is left between the energy absorption box clamp 13 and the anti-collision beam mounting plate 14, and the energy absorption box clamp 13 has a telescopic structure inside, which can adjust the displacement distance between the anti-collision beam mounting plate 14 and the anti-collision beam mounting plate 14 according to needs;

[0034] like Figure 3 and Figure 4 As shown, the liquid cooling device 12 includes a liquid cooling device body 121, a first sealing block 122, a first support frame 123, a water inlet 124, a second sealing block 125, a second support frame 126, a water outlet 127 and a third sealing block 128;

[0035] A first support frame 123 and a second support frame 126 are installed at the bottom of the liquid cooling device 12, and a liquid cooling device body 121 is installed on the upper part of the liquid cooling device 12. A first sealing block 122 is arranged on one side of the liquid cooling device body 121, and a second sealing block 125 and a third sealing block are arranged on the other side. The second sealing block 125 and the third sealing block are connected to the water inlet 124 and the water outlet 127 respectively.

[0036] Specifically, the liquid cooling device body 121 has a cooling pipeline inside, and the inlet and outlet of the cooling pipeline are respectively connected to the water inlet 124 and the water outlet 127, and the water inlet 124 and the water outlet 127 are respectively connected to the inlet and outlet of the cooling circulation system through pipelines, so as to realize the cooling water circulation between the liquid cooling device 12 and the cooling circulation system, thereby cooling the cooling pipeline inside the liquid cooling device body 121, so that the liquid cooling device 12 cools the anti-collision beam.

[0037] When the present embodiment is used for welding production, the bottom plate of the anti-collision beam is fixed on the mounting plate 14 of the anti-collision beam by the clamping device 11, the energy absorption box is fixed on the energy absorption box clamp 13, the mounting plate 14 of the anti-collision beam is in close contact with the liquid cooling device 12, and the liquid cooling device 12 is connected to the coolant circulation system through a pipeline to form a coolant circulation loop; when the anti-collision beam and the energy absorption box are welded, the excess heat generated by the welding is transferred to the liquid cooling device, and the coolant flowing inside the liquid cooling device 12 absorbs and takes away the heat, thereby ensuring that the bottom plate of the anti-collision beam is always within the set temperature range during welding, avoiding deformation due to excessive or uneven heating of the bottom plate during welding, and achieving the requirements for controlling the welding size of the bottom plate of the anti-collision beam.

[0038] By equipping the welding fixture with a liquid cooling device, the high temperature generated by the welding fixture during welding is reduced by the coolant in the liquid cooling device, and the temperature stability of the welding position of the bottom plate of the anti-collision beam is effectively controlled. Through this technology, the risk of thermal deformation during welding is effectively reduced, the dimensional accuracy of the welded parts is ensured, and the scrap rate and rework costs are reduced.

[0039] In this application, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connect" can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] The shapes of the various components in the drawings are schematic, and certain differences from their actual shapes are not excluded. The drawings are only used to illustrate the principles of the present application and are not intended to limit the present application.

[0041] Although the present application is disclosed in detail with reference to the accompanying drawings, it should be understood that these descriptions are merely exemplary and are not intended to limit the application of the present application. The scope of protection of the present application is defined by the appended claims and may include various modifications, alterations and equivalents made to the utility model without departing from the scope and spirit of the present application.

Claims

1. A liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture, characterized in that: The clamp comprises: a clamp device (1), a bottom plate (2); The clamp device (1) is installed on the upper part of the base plate (2), and the bottom of the base plate (2) is fixedly connected to a cooling circulation system; The fixture device (1) comprises a liquid cooling device (12), an energy absorption box fixture (13) and an anti-collision beam mounting plate (14); The liquid cooling device (12) is fixed above the bottom plate (2), the anti-collision beam mounting plate (14) is arranged above the liquid cooling device (12), and the energy absorption box clamp (13) is arranged above the anti-collision beam mounting plate (14); The liquid cooling device (12) comprises a liquid cooling device body (121); The liquid cooling device body (121) has a cooling pipeline inside, and the liquid cooling device (12) is connected to the cooling circulation system.

2. The liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture according to claim 1, characterized in that: The liquid cooling device (12) further comprises a water inlet (124) and a water outlet (127); the water inlet (124) and the water outlet (127) are respectively arranged on one side of the liquid cooling device body (121), and the water inlet (124) and the water outlet (127) are respectively connected to the inlet and outlet of the cooling pipeline inside the liquid cooling device body (121).

3. The liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture according to claim 1, characterized in that: The liquid cooling device (12) is connected to the cooling circulation system via a pipeline.

4. The liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture according to claim 1, characterized in that: The clamp device (1) comprises a clamping device (11); the clamping device (11) is fixed on the base plate (2), and the clamping device (11) is located on both sides of the anti-collision beam mounting plate (14).

5. The liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture according to claim 1, characterized in that: The clamp device (1) is provided in two sets and is symmetrically mounted on the base plate (2).

6. The liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture as claimed in claim 2, characterized in that: The liquid cooling device (12) further comprises a first sealing block (122), a second sealing block (125) and a third sealing block (128); The first sealing block (122) is arranged on one side of the liquid cooling device body (121), and the second sealing block (125) and the third sealing block (128) are arranged on the other side; the water inlet (124) and the water outlet (127) are arranged on the second sealing block (125) and the third sealing block (128), respectively.

7. The liquid-cooled anti-deformation aluminum alloy anti-collision beam welding fixture as claimed in claim 1, characterized in that: The liquid cooling device (12) further comprises a first support frame (123) and a second support frame (126); The plurality of first support frames (123) and the second support frame (126) are installed at the bottom of the liquid cooling device (12).

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