Aluminum vehicle body welding tool
By designing a magnetic fixing device and a limiting mechanism, combined with a robotic arm and a positioning device, the problem of non-linkage in the positioning structure of aluminum car body welding fixtures was solved, realizing automated fixing and efficient welding of aluminum car bodies.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-17
AI Technical Summary
Existing welding fixtures are complex to operate during the clamping and positioning of aluminum car bodies, and the lack of linkage between the positioning structures leads to low efficiency.
By employing a magnetic fixing device, a limiting mechanism, and an auxiliary positioning mechanism, combined with a robotic arm and positioning device, the aluminum car body is automatically fixed and positioned, ensuring that the tooling body does not slip during the welding process.
Automated production enables one-time clamping, reducing operational complexity and improving aluminum body welding efficiency.
Smart Images
Figure CN223997678U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of welding tooling technology, and in particular to a welding tooling for aluminum car bodies. Background Technology
[0002] The car body, as the overall frame and shell structure of a car, is an important component. Depending on the stress on the body structure, in order to improve production efficiency, the existing manufacturing process often uses welding fixtures to clamp and position the frame. However, the existing welding fixtures require manual clamping and positioning of the crossbeams and longitudinal beams one by one. The positioning structures are not interconnected. Therefore, whether clamping and positioning before welding or loosening the clamps after welding, each operation needs to be performed individually, which is cumbersome and inefficient. Utility Model Content
[0003] The purpose of this invention is to provide a welding fixture for aluminum car bodies to solve the problems existing in the prior art.
[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0005] A welding fixture for aluminum car bodies includes a worktable, multiple fixing devices disposed on the top side of the worktable, a drive device for driving the fixing devices, and a fixture body. A magnetic fixing device is fixedly installed on the top of the fixture body, which is used to cooperate with the gripping of a robotic arm. An auxiliary positioning mechanism is disposed at the middle position of one side of the fixture body. Multiple limiting mechanisms are evenly distributed on the bottom of the fixture body, and the positions of the multiple limiting mechanisms correspond one-to-one with the positions of the multiple fixing devices. The limiting mechanisms are used to cooperate with the fixing devices to fix the aluminum car body. An extension is disposed at the bottom side of one side of the worktable, and a positioning device is disposed at the top of the extension. The positioning device is used to cooperate with the auxiliary positioning mechanism to restrict the movement of the fixture body.
[0006] By adopting the above technical solution, the magnetic fixing device is a circular insertion hole with multiple slots inside. It works in conjunction with the magnetic device on the robotic arm to pick up and place the tooling body. The multiple limiting mechanisms on the tooling body are used to fix the aluminum car body. The front leaf of the aluminum car body is composed of multiple frame composites. Some metal parts need to be welded to the aluminum front leaf. The shape of the front leaf is not flat. Therefore, both the fixing device on the worktable and the limiting mechanism at the bottom of the tooling body are consistent with the shape of the front leaf. This can effectively fix the front leaf. The auxiliary positioning mechanism on the tooling body works in conjunction with the positioning device to make the auxiliary positioning mechanism firmly fixed by the positioning device. This prevents the tooling body from slipping due to the lifting of the fixing device below. This eliminates the need for individual positioning of each connecting structure, effectively reducing the complexity of operation. One-time clamping can be achieved through automated production.
[0007] In a further embodiment, the auxiliary positioning mechanism includes a first support rod, a second support rod, and a positioning rod. One end of the first support rod is welded to the middle left side of the tooling body, and the bottom of the other end of the first support rod is welded to the top of the second support rod. The second support rod is vertically downward, and one end of the positioning rod is welded to the bottom of the second support rod.
[0008] In a further embodiment, the position of the positioning rod corresponds one-to-one with the position of the positioning device. The positioning device includes a mounting base, a rotating shaft, and a fixing rod. The bottom of the mounting base is welded and fixed to the top of the extension. The rotating shaft is rotatably mounted on the top front side of the mounting base. The fixing rod is rotatably mounted on the mounting base via the rotating shaft. The fixing rod is used to restrict the movement of the positioning rod. The mounting base is provided with a locking mechanism.
[0009] In a further embodiment, the limiting mechanism at the bottom of the tooling body consists of a telescopic rod and a locking device.
[0010] In a further embodiment, multiple infrared sensors are evenly distributed on the bottom of the tooling body.
[0011] In a further embodiment, the tooling body is provided with multiple blunted acute-angle structures.
[0012] In summary, this utility model has the following beneficial effects:
[0013] 1. By setting up a fixing device and a limiting mechanism, the length and position of the fixing device and the length and position of the limiting mechanism correspond one-to-one with the shape of the front leaf, so that the front leaf can be firmly fixed on the worktable and welded by another robot arm. The limiting mechanism can be adjusted in length, which greatly improves the applicability of the tooling body. Attached Figure Description
[0014] Figure 1 This is an overall schematic diagram of an aluminum car body welding fixture according to this utility model.
[0015] In the figure, 1 is the workbench; 2 is the tooling body; 3 is the magnetic fixing device; 4 is the auxiliary positioning mechanism; 41 is the first support rod; 42 is the second support rod; 43 is the positioning rod; 5 is the limiting mechanism; 6 is the extension; and 7 is the positioning device. Detailed Implementation
[0016] The present invention will be further described in detail below with reference to the accompanying drawings.
[0017] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the attached figures. Figure 1 In this specification, the terms "bottom surface" and "top surface," "inner" and "outer" refer to the direction toward or away from the geometry of a specific component. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this specification, "a plurality of" means two or more, unless otherwise explicitly and specifically defined by the direction of the center.
[0018] Example 1:
[0019] like Figure 1 As shown, an aluminum car body welding fixture includes a worktable 1, multiple fixing devices disposed on the top side of the worktable 1, a drive device for driving the fixing devices, and a fixture body 2. A magnetic fixing device 3 is fixedly installed on the top of the fixture body 2, which is used to cooperate with the gripping of a robotic arm. An auxiliary positioning mechanism 4 is disposed in the middle of one side of the fixture body 2. Multiple limiting mechanisms 5 are evenly distributed on the bottom of the fixture body 2, and the positions of the multiple limiting mechanisms 5 correspond one-to-one with the positions of the multiple fixing devices. The limiting mechanisms 5 are used to cooperate with the fixing devices to fix the aluminum car body. An extension 6 is disposed at the bottom of one side of the worktable 1, and a positioning device 7 is disposed on the top of the extension 6. The positioning device 7 is used to cooperate with the auxiliary positioning mechanism 4 to restrict the movement of the fixture body 2. The auxiliary positioning mechanism 4 includes a first support rod 41 and a second support rod 42. The positioning rod 43 and the first support rod 41 are welded to the middle left side of the tooling body 2. The bottom of the other end of the first support rod 41 is welded to the top of the second support rod 42. The second support rod 42 is set vertically downward. The bottom of the second support rod 42 is welded to one end of the positioning rod 43. The position of the positioning rod 43 corresponds one-to-one with the position of the positioning device 7. The positioning device 7 includes a mounting base, a rotating shaft, and a fixing rod. The bottom of the mounting base is welded and fixed to the top of the extension 6. The rotating shaft is rotatably mounted on the top front side of the mounting base. The fixing rod is rotatably mounted on the mounting base through the rotating shaft. The fixing rod is used to limit the movement of the positioning rod 43. The mounting base is provided with a snap-fit mechanism. The limiting mechanism 5 at the bottom of the tooling body 2 is composed of a telescopic rod and a locking device. Multiple infrared sensors are evenly distributed at the bottom of the tooling body 2. Multiple acute-angled blunt structures are provided on the tooling body 2.
[0020] Specific implementation process: The magnetic fixing device is a circular insertion hole with multiple slots inside. It works in conjunction with the magnetic device on the robotic arm to pick up and place the tooling body. Multiple limiting mechanisms on the tooling body are used to fix the aluminum car body. The front leaf of the aluminum car body is composed of multiple frame composites. Some metal parts need to be welded to the aluminum front leaf. The shape of the front leaf is not flat. Therefore, both the fixing device on the worktable and the limiting mechanism at the bottom of the tooling body are consistent with the shape of the front leaf. This can effectively fix the front leaf. The auxiliary positioning mechanism on the tooling body works with the positioning device to make the auxiliary positioning mechanism firmly fixed by the positioning device. This prevents the tooling body from slipping due to the lifting of the fixing device below. This eliminates the need for individual positioning of each connecting structure, effectively reducing the complexity of operation. One-time clamping can be achieved through automated production.
[0021] In the embodiments disclosed in this utility model, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments disclosed in this utility model according to the specific circumstances.
[0022] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
Claims
1. An aluminum body welding jig comprising a worktable (1), a plurality of fixing devices provided at the top end of the side of the worktable (1), a driving device for driving the fixing devices, and a jig body (2), characterized in that: The top of the tool body (2) is fixedly provided with a magnetic fixing device (3) for cooperating with the gripping of a mechanical hand, an auxiliary positioning mechanism (4) is arranged at the middle position of one side of the tool body (2), a plurality of limiting mechanisms (5) are uniformly distributed at the bottom of the tool body (2), the positions of the plurality of limiting mechanisms (5) correspond to the positions of the plurality of fixing devices one by one, the limiting mechanisms (5) are used for cooperating with the fixing device to fix the aluminum body, an extension (6) is arranged at the bottom end of one side of the workbench (1), a positioning device (7) is arranged at the top of the extension (6), and the positioning device (7) is used for cooperating with the auxiliary positioning mechanism (4) to limit the movement of the tool body (2).
2. An aluminum body welding fixture according to claim 1, characterized in that: The auxiliary positioning mechanism (4) comprises a first supporting rod (41), a second supporting rod (42) and a positioning rod (43), one end of the first supporting rod (41) is welded at the middle position of the left side of the tool body (2), the other end of the first supporting rod (41) is welded to the top of the second supporting rod (42), the second supporting rod (42) is arranged vertically downward, and one end of the positioning rod (43) is welded to the bottom of the second supporting rod (42).
3. An aluminum body welding fixture as defined in claim 2 wherein: The positions of the positioning rods (43) correspond to the positions of the positioning devices (7) one by one, the positioning device (7) comprises a mounting seat, a rotating shaft and a fixing rod, the bottom of the mounting seat is welded to the top of the extension (6), the rotating shaft is rotatably arranged at the top front side of the mounting seat, and the fixing rod is rotatably arranged on the mounting seat through the rotating shaft, the fixing rod is used for limiting the movement of the positioning rod (43), and the mounting seat is provided with a clamping mechanism.
4. The aluminum body welding fixture of claim 1, wherein: The limiting mechanisms (5) at the bottom of the tool body (2) are each composed of a telescopic rod and a locking device.
5. An aluminum body welding fixture as defined in claim 4 wherein: The bottom of the tool body (2) is uniformly provided with a plurality of infrared sensors.
6. An aluminum body welding fixture as defined in claim 5 wherein: A plurality of acute angle reverse blunt structures are arranged on the tool body (2). A plurality of acute angle reverse blunt structures are arranged on the tool body (2).