A welding tooling for water-cooled housings of new energy vehicles
By designing a water-cooled box welding fixture consisting of a clamping plate, support block, cylinder, reset device, and push mechanism, the problem of box deformation caused by uneven clamping force during welding was solved, achieving stable clamping and high-quality welding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-04-28
- Publication Date
- 2026-04-03
AI Technical Summary
During the welding process of water-cooled housings in new energy vehicles, the fixing mechanism cannot guarantee that the clamping force of multiple clamping points is consistent, resulting in housing deformation and failure to meet usage requirements.
A welding fixture for water-cooled box body was designed, comprising a clamping plate, a support block, a cylinder, a pressure plate, a reset device, and a pushing mechanism. The cylinder drives the pressure plate to squeeze the box body, the reset device and the pushing mechanism ensure consistent clamping force, and the micro switch and warning light determine the fixed status to ensure that the box body is fixed in place.
This achieves uniform and stable clamping force on the box, reduces deformation, improves welding quality, facilitates operator operation, and ensures product quality.
Smart Images

Figure CN116408591B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of new energy vehicle technology, specifically to a welding tooling for water-cooled housings in new energy vehicles. Background Technology
[0002] New energy vehicles refer to automobiles that use unconventional vehicle fuels as their power source (or use conventional vehicle fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive, resulting in vehicles with advanced technical principles, new technologies, and new structures.
[0003] With the continuous development of industry, new energy vehicles are the future trend of manufacturing. Welding the battery pack cooling system of new energy vehicles is a major challenge. An integrated, molded cavity offers higher structural strength and electromagnetic fatigue resistance. Water channels are CNC machined into the bottom surface of the cavity, and then welded using friction stir welding, integrating the dual functions of a water-cooling plate and a cavity. Friction stir welded water-cooled cavities are a good choice for equipment, laser equipment, and automotive controllers. However, during the welding process, workers need to use fixing mechanisms to secure the water-cooled cavity. It's difficult to ensure that the clamping force at multiple clamping points is equal, leading to cavity deformation and failure to meet usage requirements.
[0004] Therefore, this application provides a welding and processing fixture for the water-cooled housing of new energy vehicles to improve upon the aforementioned problems. Summary of the Invention
[0005] The purpose of this invention is to provide a welding fixture for water-cooled housings in new energy vehicles, in order to solve the problem that during the welding process of the aforementioned water-cooled housings, workers need to use a fixing mechanism to fix the water-cooled housings, which cannot guarantee that the clamping force of multiple clamping points is the same, thus causing the housing to deform and failing to meet the usage requirements.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a welding fixture for a water-cooled housing of a new energy vehicle, comprising a clamping plate, a support block fixedly connected to the center of the surface of the clamping plate, fixing blocks provided on three sides of the surface of the clamping plate on the support block, a cylinder provided on the side wall of the fixing block, a pressure plate fixedly connected to the output end of the cylinder, the pressure plate corresponding to the fixing block, a reset device provided on the surface of the support block, a limit frame provided on the inner side wall of the reset device, and a pushing mechanism provided inside the support block, the pushing mechanism corresponding to the limit frame.
[0007] The reset device includes a guide rod, a moving plate, a spring, a moving rod, and a contact block. The guide rod is fixedly connected to the inner wall of the support block. The guide rod is slidably connected to the moving plate. The bottom of the moving plate is fixedly connected to the spring, which is sleeved with the guide rod. The top of the moving plate is fixedly connected to the moving rod, which is slidably connected to the support block. The top of the moving rod is fixedly connected to the contact block.
[0008] The support block has a groove on its surface, and the contact block corresponds to the groove of the support block.
[0009] The driving mechanism includes a motor, a main gear, a secondary gear, a threaded rod, a support plate, a mounting rod, and a moving block. The motor is fixedly connected to the inner wall of the support block. The output shaft of the motor is fixedly connected to the main gear, which meshes with the secondary gear. A threaded rod is fixedly connected to the shaft of the secondary gear. The threaded rod is rotatably connected to the inner wall of the support block. A support plate is fixedly connected to the inner wall of the support block. The threaded rod is rotatably connected to the support plate. A mounting rod is fixedly connected to the inner wall of the support block. The threaded rod is threadedly connected to the moving block. The moving block is slidably connected to the mounting rod. The moving block corresponds to the limiting frame.
[0010] The bottom of the limiting frame is fixedly connected with a rubber pad.
[0011] The number of cylinders is eight.
[0012] The support block has an installation block at the bottom of its inner wall, a micro switch is fixedly connected to the top of the installation block, the moving plate corresponds to the micro switch, a fixing plate is fixedly connected to the surface of the clamping plate, a warning light is provided on the surface of the fixing plate, and the micro switch is electrically connected to the warning light.
[0013] The number of warning lights is six, and the warning lights correspond sequentially to the reset device.
[0014] The surface of the contact block is provided with wear-resistant particles.
[0015] The number of guide rods is two.
[0016] Compared with the prior art, the beneficial effects of the present invention are:
[0017] The present invention features a support block on the surface of the clamp plate to facilitate the support of the water tank body to be welded. The tank body is placed in this manner, with its edge corresponding to the fixing block. Multiple cylinders operate simultaneously, driving the pressure plate downwards to compress the tank body. This ensures consistent clamping pressure and more stable dimensions. A reset device is installed on the surface of the support block. When the cylinder drives the pressure plate upwards, the reset device automatically resets the tank body, facilitating easy handling. A push structure is installed inside the support block. When the tank body is stuck with the support block and the reset device cannot automatically reset, the push structure compresses the limit frame, forcibly resetting the reset device and lifting the tank body. A micro switch and warning light are included to facilitate checking the tank body's fixation, ensuring product quality and meeting usage requirements. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall external structure of the present invention;
[0019] Figure 2 This is a schematic diagram of the internal structure of the support block of the present invention;
[0020] Figure 3 This is a schematic diagram of the reset device and the pushing mechanism of the present invention.
[0021] In the diagram: 1. Fixture plate; 2. Support block; 3. Fixing block; 4. Cylinder; 5. Pressure plate; 6. Reset device; 61. Guide rod; 62. Moving plate; 63. Spring; 64. Moving rod; 65. Contact block; 7. Mounting block; 8. Micro switch; 9. Fixing plate; 10. Warning light; 11. Pushing mechanism; 111. Motor; 112. Main gear; 113. Secondary gear; 114. Threaded rod; 115. Support plate; 116. Mounting rod; 117. Moving block; 12. Limiting frame; 13. Rubber pad. Detailed Implementation
[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0023] Please see Figure 1-3The present invention provides a technical solution: a welding fixture for a water-cooled box body of a new energy vehicle, including a clamping plate 1, a support block 2 fixedly connected to the center of the surface of the clamping plate 1, fixing blocks 3 on three sides of the surface of the clamping plate 1 on the support block 2, a cylinder 4 on the side wall of the fixing block 3, a pressure plate 5 fixedly connected to the output end of the cylinder 4, the pressure plate 5 corresponding to the fixing block 3, a reset device 6 on the surface of the support block 2, a limit frame 12 on the inner side wall of the reset device 6, and a pushing mechanism 11 inside the support block 2, the pushing mechanism 11 corresponding to the limit frame 12. Support blocks 2 are provided on the surface of the clamp plate 1 to facilitate the support of the water tank body to be welded. The tank body to be welded is placed and the edge of the tank body corresponds to the fixing block 3. Multiple cylinders 4 work simultaneously to drive the pressure plate 5 to move downward and squeeze the tank body. The clamp pressure is consistent and the size is more stable. The surface of the support block 2 is provided with a reset device 6. When the cylinder 4 drives the pressure plate 5 to move upward, the reset device 6 automatically drives the tank body to reset, making it convenient for workers to pick up. The inside of the support block 2 is provided with a push structure 11. When the tank body is stuck with the support block 2 and the reset device 6 cannot reset automatically, the push structure 11 is used to squeeze the limit frame 12, thereby driving the reset device 6 to reset forcibly, making it easy to lift the tank body.
[0024] The reset device 6 includes a guide rod 61, a moving plate 62, a spring 63, a moving rod 64, and a contact block 65. The guide rod 61 is fixedly connected to the inner wall of the support block 2. The guide rod 61 is slidably connected to the moving plate 62. The bottom of the moving plate 62 is fixedly connected to the spring 63, which is sleeved with the guide rod 61. The top of the moving plate 62 is fixedly connected to the moving rod 64, which is slidably connected to the support block 2. The top of the moving rod 64 is fixedly connected to the contact block 65. When the reset device 6 is set up, the box is placed. When the cylinder 4 works simultaneously, it drives the pressure plate 5 to move downward, squeezing the box. This causes the contact block 65 to move downward, which in turn drives the moving rod 64 and the moving plate 62, increasing the elastic potential energy of the spring 63. When the cylinder 4 drives the pressure plate 5 to move upward, the elastic potential energy of the spring 63 is converted into kinetic energy, which drives the contact block 65 to move, thereby lifting the box.
[0025] The support block 2 has a groove on its surface, and the contact block 65 corresponds to the groove on the support block 2. The groove on the surface of the support block 2 facilitates the storage of the contact block 65.
[0026] The driving mechanism 11 includes a motor 111, a main gear 112, a secondary gear 113, a threaded rod 114, a support plate 115, a mounting rod 116, and a moving block 117. The motor 111 is fixedly connected to the inner wall of the support block 2. The output shaft of the motor 111 is fixedly connected to the main gear 112. The main gear 112 meshes with the secondary gear 113. The threaded rod 114 is fixedly connected to the shaft of the secondary gear 113. The threaded rod 114 is rotatably connected to the inner wall of the support block 2. The support plate 115 is fixedly connected to the inner wall of the support block 2. The threaded rod 114 is rotatably connected to the support plate 115. The mounting rod 116 is fixedly connected to the inner wall of the support block 2. The threaded rod 114 is threadedly connected to the moving block 117. The moving block 117 is slidably connected to the mounting rod 116. The moving block 117 corresponds to the limit frame 12. The push structure 11 is provided to facilitate the compression support of the limit frame 12. The motor 111 works, driving the main gear 112 to rotate, driving the secondary gear 113 to rotate, driving the threaded rod 114 to rotate, and driving the moving block 117 to move. The moving block 117 slides with the mounting rod 116 to improve the movement stability of the moving block 117. The moving block 117 compresses the limit frame 12, thereby driving the reset device 6 to force reset.
[0027] A rubber pad 13 is fixedly connected to the bottom of the limiting frame 12. The rubber pad 13 is provided to reduce the collision between the moving block 117 and the limiting frame 12.
[0028] There are eight cylinders 4 in total. Multiple cylinders 4 work simultaneously to facilitate the simultaneous fixation of the box body and ensure uniform and stable clamping force.
[0029] The support block 2 has an installation block 7 at its bottom inner wall, and a micro switch 8 is fixedly connected to the top of the installation block 7. The moving plate 62 corresponds to the micro switch 8. A fixing plate 9 is fixedly connected to the surface of the clamping plate 1, and a warning light 10 is provided on the surface of the fixing plate 9. The micro switch 8 and the warning light 10 are electrically connected. The micro switch 8 and the warning light 10 are provided to facilitate the inspection of the box's fixation. When the box is fixed in place, the moving plate 62 contacts the micro switch 8, and the warning light 10 illuminates, reminding people that the box is fixed in place. This helps determine whether the box is properly secured, thereby ensuring product quality.
[0030] There are six warning lights 10, which correspond sequentially to the reset device 6. They are used to determine whether the enclosure is installed correctly in different positions.
[0031] The surface of the contact block 65 is provided with wear-resistant particles to increase contact friction.
[0032] There are two guide rods 61. These improve the stability of the motion plate 62.
[0033] Working Principle: During use, support blocks 2 are provided on the surface of the clamp plate 1 to support the tank body to be welded. The tank body to be welded is placed on the clamp plate 1, and the edge of the tank body corresponds to the fixing block 3. Multiple cylinders 4 work simultaneously, driving the pressure plate 5 to move downwards and compress the tank body. The clamp pressure is consistent, and the dimensions are more stable. A reset device 6 is provided on the surface of the support block 2. When the cylinder 4 drives the pressure plate 5 to move upwards, the reset device 6 automatically drives the tank body to reset, making it convenient for workers to pick up. A push structure 11 is provided inside the support block 2. When the tank body is stuck with the support block 2 and the reset device 6 cannot reset automatically, the push structure 11 is used to compress the limit frame 12, thereby driving the reset device 6 to reset forcibly, making it easy to lift the tank body. The reset device 6 is provided to push the tank body into the clamp plate 12. When the cylinders 4 work simultaneously, they drive the pressure plate 5 downward to compress the housing, causing the contact block 65 to move downward, which in turn drives the moving rod 64 and the moving plate 62 to move, increasing the elastic potential energy of the spring 63. When the cylinders 4 drive the pressure plate 5 upward, the elastic potential energy of the spring 63 is converted into kinetic energy, which drives the contact block 65 to move, thereby lifting the housing. A pushing structure 11 is set up to facilitate the compression and support of the limit frame 12. The motor 111 works, driving the main gear 112 to rotate, driving the secondary gear 113 to rotate, driving the threaded rod 114 to rotate, and driving the moving block 117 to move. The moving block 117 slides with the mounting rod 116 to improve the stability of the moving block 117. The moving block 117 compresses the limit frame 12, thereby driving the reset device 6 to force reset.
Claims
1. A welding fixture for water-cooled housings of new energy vehicles, comprising a clamping plate (1), characterized in that: A support block (2) is fixedly connected to the center of the surface of the clamp plate (1). Fixing blocks (3) are provided on three sides of the support block (2) on the surface of the clamp plate (1). A cylinder (4) is provided on the side wall of the fixing block (3). A pressure plate (5) is fixedly connected to the output end of the cylinder (4). The pressure plate (5) corresponds to the fixing block (3). A reset device (6) is provided on the surface of the support block (2). A limit frame (12) is provided on the inner side wall of the reset device (6). A pushing mechanism (11) is provided inside the support block (2). The pushing mechanism (11) corresponds to the limit frame (12). The pushing mechanism (11) includes a motor (111), a threaded rod (114), a support plate (115), an mounting rod (116), and a moving block (117). The motor (111) is fixedly connected to the inner wall of the support block (2). The motor (111) is used to drive the threaded rod (114) to rotate. The threaded rod (114) is rotatably connected to the inner wall of the support block (2). The support plate (115) is fixedly connected to the inner wall of the support block (2). The threaded rod (114) is rotatably connected to the support plate (115). The mounting rod (116) is fixedly connected to the inner wall of the support block (2). The threaded rod (114) is threadedly connected to the moving block (117). The moving block (117) is slidably connected to the mounting rod (116). The moving block (117) corresponds to the limit frame (12).
2. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 1, characterized in that: The reset device (6) includes a guide rod (61), a moving plate (62), a spring (63), a moving rod (64), and a contact block (65). The guide rod (61) is fixedly connected to the inner wall of the support block (2). The guide rod (61) is slidably connected to the moving plate (62). The bottom of the moving plate (62) is fixedly connected to the spring (63). The spring (63) is sleeved with the guide rod (61). The top of the moving plate (62) is fixedly connected to the moving rod (64). The moving rod (64) is slidably connected to the support block (2). The top of the moving rod (64) is fixedly connected to the contact block (65).
3. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 2, characterized in that: The surface of the support block (2) is provided with a groove, and the contact block (65) corresponds to the groove of the support block (2).
4. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 1, characterized in that: The pushing mechanism (11) also includes a main gear (112) and a secondary gear (113). The output shaft of the motor (111) is fixedly connected to the main gear (112), and the main gear (112) meshes with the secondary gear (113). A threaded rod (114) is fixedly connected to the shaft of the secondary gear (113).
5. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 4, characterized in that: A rubber pad (13) is fixedly connected to the bottom of the limiting frame (12).
6. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 1, characterized in that: The number of cylinders (4) is eight.
7. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 2, characterized in that: The bottom of the inner wall of the support block (2) is provided with an installation block (7), and the top of the installation block (7) is fixedly connected with a micro switch (8). The motion plate (62) corresponds to the micro switch (8). The surface of the clamp plate (1) is fixedly connected with a fixing plate (9), and the surface of the fixing plate (9) is provided with a warning light (10). The micro switch (8) is electrically connected to the warning light (10).
8. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 7, characterized in that: The number of warning lights (10) is six, and the warning lights (10) correspond to the reset device (6) in sequence.
9. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 2, characterized in that: The surface of the contact block (65) is provided with wear-resistant particles.
10. The welding fixture for a water-cooled housing of a new energy vehicle according to claim 2, characterized in that: The number of guide rods (61) is two.
Citation Information
Patent Citations
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