CN220296238U - An automatic rotating car body welding fixture - Google Patents

Abstract

The utility model discloses an automatic rotating car body welding fixture, which includes a bottom plate. The inner wall of the back plate is movably connected to the outer wall of the chuck. A block is fixed on one side of the back plate through a tension spring, and the top of the block A plug-in rod is fixedly connected. The outer wall of the plug-in rod is movably connected to the inner through hole of the back plate. A positioning block is movably connected above the outer wall of the plug-in rod. The outer wall of the positioning block is movable with the groove on one side of the back plate. Connected, one side of the positioning block is fixedly connected to one side of the chuck, the bottom groove of the block is movably connected to the limiting rod, and the bottom of the limiting rod is fixedly connected to the bottom of the groove on one side of the back plate. The utility model relates to the technical field of automobile processing equipment. Through the cooperation between the back plate, the pull ring and the insertion rod, the replacement of different types and sizes of chucks is realized, and the replacement process of the chucks of the existing clamps is troublesome. , additional tools are required for disassembly, which reduces work efficiency.

Description

An automatic rotating car body welding fixture

Technical field

The utility model relates to the technical field of automobile processing equipment, specifically an automatic rotating body welding fixture.

Background technique

Automobile body components are mainly made of cold-rolled steel plate stamping parts with good stamping and welding process, which are assembled and welded. The welding production volume is large, the production speed is fast, and the assembly and welding accuracy of the welded parts is required to be high, and the assembly and welding methods are mostly used. The production method is highly mechanized and automated, using a large number of special equipment and fixtures. Welding work is increasingly completed by automatic welding machines and welding robots. With the progress of society, labor costs continue to increase, robot prices gradually decrease, and welding equipment will gradually become fully automated; laser welding methods will be widely used in automobile welding production lines. Therefore, they are low energy consumption, high efficiency, non-toxic, and non-toxic. Contaminated welding equipment will also be a technological advancement trend in automobile welding lines in the future. In order to ensure the stability of the vehicle body during welding, an automatic rotating vehicle body welding fixture is provided.

Existing clamps use chucks to fix the car body. The existing clamps correspond to the outer shape of the car body one-to-one. If different types of car bodies are fixed, tools need to be used to rotate the bolts and replace the chucks. The clamping of two chucks ensures the stability of the body during welding, while the existing ones are used.

However, the replacement process of the chuck of the existing fixture is cumbersome and requires additional tools for disassembly, which reduces work efficiency.

Utility model content

In view of the shortcomings of the existing technology, the present utility model provides an automatic rotating vehicle body welding fixture, which solves the problem that the replacement process of the chuck of the existing fixture is cumbersome and requires additional tools for disassembly, which reduces work efficiency.

In order to achieve the above purpose, the present utility model is realized through the following technical solutions: an automatic rotating car body welding fixture, including a bottom plate, two clamps are provided above the bottom plate, and a connecting mechanism is provided above the bottom plate. The connecting mechanism It includes a back plate, a positioning block, a plug rod, a square block, a limiting rod and a tension spring. The inner wall of the back plate is movably connected to the outer wall of the chuck. A square block is fixed on one side of the back plate through a tension spring. The top of the block is fixed with a plug-in rod. The outer wall of the plug-in rod is movably connected to the inner through hole of the back plate. There is a positioning block above the outer wall of the plug-in rod. The outer wall of the position block is connected to one side of the back plate. The grooves are movably connected, one side of the positioning block is fixedly connected to one side of the chuck, the bottom groove of the block is movably connected to a limit rod, and the bottom of the limit rod is connected to the bottom of the groove on one side of the back plate. Fixed connection.

Preferably, the top of the bottom plate is connected to a cylinder through bearing rotation, a platform is fixed to the top of the cylinder, a first vertical plate is fixed to one side of the top of the platform, and a first vertical plate is fixed to one side of the top of the platform. Second riser.

Preferably, the outer sides of the two back plates are fixed with cross bars, and the outer walls of the two cross bars are rotatably connected to the tops of the first vertical plate and the second vertical plate through bearings. The horizontal bar on one side is A motor is installed on one side of the motor, and one side of the motor is fixedly connected to one side of the first vertical plate.

Preferably, the outer wall of the horizontal bar on one side is connected to a bracket through bearing rotation, and a bent rod is fixedly connected to the bottom of the bracket. One side of the outer wall of the bent rod is movably connected to the lower through hole of the second vertical plate. A pointer is fixed to one end of the horizontal bar, and an annular scale plate is fixed to one side of the second vertical plate.

Preferably, a motor is fixed to the top of the platform, and a screw is fixed to the output end of the motor. The outer wall of the screw is threadedly connected to the bottom of the second vertical plate. The outer wall of the screw is connected to a frame through bearing rotation. body, the bottom of the frame body is fixedly connected to the top of the platform.

beneficial effects

The utility model provides an automatic rotating vehicle body welding fixture. It has the following beneficial effects: The automatic rotating body welding fixture realizes the replacement of different types and sizes of chucks through the cooperation between the back plate, the pull ring and the insertion rod, and solves the problem of the replacement process of chucks with existing fixtures. Troublesome, additional tools are required for disassembly, which reduces work efficiency.

Through the cooperation between the pointer, the annular scale plate and the cross bar, the automatic fixing of the clamp and the automatic turning of the body are realized. At the same time, the user can intuitively observe the angle of rotation of the body and the distance of lateral movement, making it easy for the user to make adjustments.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a schematic diagram of the appearance of the utility model;

Figure 3 is a schematic structural diagram of the pointer, annular scale plate and crossbar in Figure 1;

Figure 4 is a schematic structural diagram of the back plate, pull ring and insertion rod in Figure 1.

In the picture: 1. Base plate, 2. Cylinder, 3. Platform, 4. First vertical plate, 5. Second vertical plate, 6. Motor, 7. Curved rod, 8. Back plate, 9. Chuck, 10. Pointer, 11. Ring scale plate, 12. Cross bar, 13. Motor, 14. Frame, 15. Screw, 16. Pull ring, 17. Square, 18. Limit rod, 19. Insertion rod, 20. Positioning block , 21. Bracket.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

The replacement process of the chuck of the existing fixture is cumbersome and requires additional tools for disassembly, which reduces work efficiency.

In view of this, an automatic rotating car body welding fixture is provided. Through the cooperation between the back plate, the pull ring and the insertion rod, the replacement of different types and sizes of chucks is realized, which solves the problem of the existing clamps on the chucks. The replacement process is cumbersome and requires additional tools for disassembly, which reduces work efficiency.

Personnel in the field will connect the components in this case in sequence. For specific connections and operating sequences, reference should be made to the following working principles. The detailed connection methods are well-known technologies in the field. The following mainly introduces the working principles and processes.

Embodiment 1: As can be seen from Figures 1, 2 and 4, an automatic rotating car body welding fixture includes a base plate 1. Two chucks 9 are provided above the base plate 1. A connecting mechanism is provided above the base plate 1. The connecting mechanism includes a back Plate 8, positioning block 20, insertion rod 19, block 17, limit rod 18 and tension spring 16. The inner wall of the back plate 8 is movably connected to the outer wall of the chuck 9. One side of the back plate 8 is fixedly connected with the tension spring 16. Block 17, the top of block 17 is fixed with a plug-in rod 19, the outer wall of the plug-in rod 19 is movably connected to the inner through hole of the back plate 8, the plug-in rod 19 can move in the through hole on one side of the back plate 8, and the plug-in rod 19 There is a positioning block 20 movably connected above the outer wall. The positioning block 20 can position the chuck 9. The inner side of the chuck 9 has the same shape as the car body. The shape of the inner side is determined according to the shape of the car body. The outer side of the chuck 9 is in contact with the back plate. 8 has the same inner wall shape, the outer wall of the positioning block 20 is movably connected to the groove on one side of the back plate 8, one side of the positioning block 20 is fixedly connected to one side of the chuck 9, and the bottom groove of the block 17 is movably connected to the limiting rod. 18. The block 17 can move on the outer wall of the limiting rod 18, and the bottom of the limiting rod 18 is fixedly connected to the bottom of the groove on one side of the back plate 8;

During the specific implementation process, it is worth noting that the block 17 can move on the outer wall of the limiting rod 18. Through the cooperation between the block 17, the limiting rod 18 and the tension spring 16, the clamps of different types and sizes can be adjusted. The replacement of the chuck 9 solves the problem that the replacement process of the chuck 9 of the existing fixture is cumbersome and requires additional tools for disassembly, which reduces work efficiency;

Further, the top of the bottom plate 1 is connected to a cylinder 2 through bearing rotation. The cylinder 2 can rotate through the bearing. The top of the cylinder 2 is fixed with a platform 3. The top side of the platform 3 is fixed with a first vertical plate 4. The platform 3 A second vertical plate 5 is attached to one side of the top;

During the specific implementation process, it is worth mentioning that when the cylinder 2 rotates, it can indirectly drive the vehicle body to rotate laterally, making it convenient for the user to perform welding operations in situ;

Specifically, when using the automatic rotating body welding fixture, the user can pull down the block 17 to drive the insertion rod 19 out of the bottom groove of the positioning block 20. At this time, the chuck 9 can be pulled out laterally through external lifting equipment. For replacement, the elastic deformation of the tension spring 16 can drive the insertion rod 19 to be always inserted into the groove of the positioning block 20 for fixation. The entire replacement process is simple and quick.

Embodiment 2: As can be seen from Figures 1-3, the outer sides of the two back plates 8 are fixed with horizontal bars 12, and the outer walls of the two horizontal bars 12 are connected to the tops of the first vertical plate 4 and the second vertical plate 5 through bearings. Rotatingly connected, a motor 6 is installed on one side of the horizontal bar 12. The model of the motor 6 is not limited. One side of the motor 6 is fixedly connected to one side of the first vertical plate 4;

During the specific implementation process, it is worth mentioning that the motor 6 can drive the body to flip, making it convenient for the user to weld different positions of the body;

Furthermore, the outer wall of the horizontal bar 12 on one side is connected to a bracket 21 through bearing rotation. The bottom of the bracket 21 is fixed with a curved rod 7. A scale is processed above the curved rod 7. One side of the outer wall of the curved rod 7 is connected to the second vertical axis. The lower through holes of the plate 5 are movably connected, one end of the horizontal bar 12 on one side is fixed with a pointer 10, and one side of the second vertical plate 5 is fixed with an annular scale plate 11;

During the specific implementation process, it is worth pointing out that the scale on the curved rod 7 can facilitate the user to understand the distance between the two chucks 9, and the annular scale plate 11 can facilitate the user to understand the rotation angle;

Further, a motor 13 is fixedly connected to the top of the platform 3. The model of the motor 13 is not limited. The output end of the motor 13 is fixedly connected to a screw rod 15. The outer wall of the screw rod 15 is threadedly connected to the bottom of the second vertical plate 5. The screw rod 15 The outer wall is connected to a frame body 14 through bearing rotation, the screw rod 15 can rotate through the bearing, and the bottom of the frame body 14 is fixedly connected to the top of the platform 3;

During the specific implementation process, it is worth mentioning that the screw 15 can rotate through the bearing. Through the cooperation between the screw 15, the frame 14 and the motor 13, the automatic fixing of the clamp and the automatic turning of the body are realized. At the same time, the user can The angle of rotation of the vehicle body and the distance of lateral movement can be intuitively observed, making it easy for the user to make adjustments;

Specifically, on the basis of the first embodiment mentioned above, after hoisting the vehicle body, the user positions one side of the vehicle body on the chuck 9 and starts the motor 13. The motor 13 can drive the screw rod 15 to rotate, and the screw rod 15 can rotate when it rotates. The second vertical plate 5 is driven to move laterally, and at the same time, the chuck 9 on the other side is rotated to correspond to the position of the car body. The chuck 9 on the other side clamps and positions the car body after moving. The user can start the motor 6 to drive the car body to flip. , the annular scale plate 11 can facilitate the user to understand the rotation angle.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further restrictions. The statement "includes an element does not preclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element."

In this utility model, unless otherwise expressly stipulated and limited, the terms "installation", "setting", "connection", "fixing", "rotating" and other terms should be understood in a broad sense. For example, it can be a fixed connection, It can also be detachably connected, or integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction of two elements relationship, unless otherwise explicitly limited, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. An automatic rotating car body welding fixture, including a base plate (1), characterized in that: two chucks (9) are provided above the base plate (1), and a connecting mechanism is provided above the base plate (1) ; The connection mechanism includes a back plate (8), positioning block (20), insertion rod (19), block (17), limit rod (18) and tension spring (16); The inner wall of the back plate (8) is movably connected to the outer wall of the chuck (9). A block (17) is fixed on one side of the back plate (8) through a tension spring (16). The block (17) A plug-in rod (19) is fixedly connected to the top of the plug-in rod (19). The outer wall of the plug-in rod (19) is movably connected to the inner through hole of the back plate (8). A positioning block (20) is movably connected above the outer wall of the plug-in rod (19). ), the outer wall of the positioning block (20) is movably connected to the groove on one side of the back plate (8), one side of the positioning block (20) is fixedly connected to one side of the chuck (9), and the block The bottom groove of (17) is movably connected to the limiting rod (18), and the bottom of the limiting rod (18) is fixedly connected to the bottom of the groove on one side of the back plate (8). 2. An automatic rotating car body welding fixture according to claim 1, characterized in that: the top of the base plate (1) is connected to a cylinder (2) through bearing rotation, and the top of the cylinder (2) is fixedly connected with a cylinder (2). Platform (3), a first vertical plate (4) is fixedly connected to the top side of the platform (3), and a second vertical plate (5) is attached to the top side of the platform (3). 3. An automatic rotating vehicle body welding fixture according to claim 2, characterized in that: both the outer sides of the two back plates (8) are fixed with cross bars (12), and the two cross bars (12) ) are rotatably connected to the tops of the first vertical plate (4) and the second vertical plate (5) through bearings. A motor (6) is installed on one side of the horizontal bar (12). The motor (6) One side of 6) is fixedly connected to one side of the first vertical plate (4). 4. An automatic rotating car body welding fixture according to claim 3, characterized in that: the outer wall of the cross bar (12) on one side is connected to a bracket (21) through bearing rotation, and the bottom of the bracket (21) A curved rod (7) is fixedly connected. One side of the outer wall of the curved rod (7) is movably connected to the lower through hole of the second vertical plate (5). One end of the crossbar (12) on one side is fixedly connected with a pointer. (10), an annular scale plate (11) is fixed on one side of the second vertical plate (5). 5. An automatic rotating vehicle body welding fixture according to claim 2, characterized in that: a motor (13) is fixedly connected to the top of the platform (3), and a screw is fixedly connected to the output end of the motor (13). (15). The outer wall of the screw (15) is threadedly connected to the lower part of the second vertical plate (5). The outer wall of the screw (15) is connected to a frame (14) through bearing rotation. The frame (14) ) is fixedly connected to the top of the platform (3).