Frame welding device

Abstract

The utility model discloses a frame welding device, which relates to the technical field of frame welding and comprises a box body, a servo motor is fixedly connected to the side wall of the box body, and a bidirectional threaded rod is fixedly connected to the bottom of the servo motor; according to the vehicle frame welding device, firstly, a vehicle frame is fixed to the middle of a fixing plate arranged on the surface of a fixing frame, the position of a mounting frame on the top of the vehicle frame is adjusted through a lifting air cylinder and a telescopic assembly to be located at the same height, then a servo motor is started, the servo motor drives a bidirectional threaded rod to rotate, and the vehicle frames on the left side and the right side move towards the middle; the heights of the mounting frames are adjusted, the frames fixed to the mounting frames are placed up and down, then the frames are in lap joint up and down through servo motors, up-down welding is facilitated, the frames fixed in the fixing frames are attached to each other left and right through the elastic force effect of elastic assemblies, and welding in the left-right direction can be completed; the welding of various positions between the frames is facilitated, and the welding is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frame welding, in particular to a vehicle frame welding device. Background Art

[0002] The frame is a framework structure that spans the front and rear axles of the car. It is the base frame of the car and one of the important components of the car. The function of the frame is to support and connect the various assemblies of the car, so that the assemblies maintain a relatively correct position and withstand various loads inside and outside the car. There are currently two ways to weld the frame: manual and mechanical. In the process of mechanical welding, the frame is welded through a large production line, while in some small manufacturers, most of the welding of the frame is done manually, and the manual operation is mostly simple to fix the frame and then visually inspect the position.

[0003] Therefore, the following problems may occur during the welding process: (1) When welding the frame, there are many welding methods, such as up and down, left and right, etc., and when welding manually, it is impossible to accurately judge the position, resulting in a large number of defective products with welding deviation; (2) When fixing multiple frames, it is difficult to fix the center points of the frames in one position, resulting in welding deviation. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a frame welding device, which has the advantage of accurately fixing the welding points of the frame and avoiding the problem of deviation of the welding points.

[0005] In order to achieve the purpose of accurately fixing the welding points of the frame, the utility model provides the following technical solutions:

[0006] A frame welding device comprises a box body, a servo motor is fixedly connected to the side wall of the box body, a bidirectional threaded rod is fixedly connected to the bottom of the servo motor, and further comprises:

[0007] The outer walls of both sides of the two-way threaded rod are connected with sliding plates by thread rods. Driving the two-way threaded rod can make the sliding plates slide toward the middle of the box body at the same time, and the welding point is determined in the middle position of the box body to facilitate welding. The sliding plate is slidably connected to the box body, and the sliding plate passes through the outer wall of the box body. A lifting cylinder is fixedly connected to the top of the sliding plate on the left side of the two-way threaded rod, and a telescopic column is fixedly connected to the end of the lifting cylinder. A telescopic component is fixedly connected to the top of the sliding plate on the left side of the two-way threaded rod, and the tops of the telescopic column and the telescopic component are fixedly connected to a mounting frame. The height of the mounting frame on the top can be adjusted by using the lifting cylinder and the telescopic component.

[0008] According to some embodiments, an elastic component is fixedly connected to the inner wall of the mounting frame, a sliding block is fixedly connected to the end of the elastic component, and the sliding block and the mounting frame are slidably connected. The elastic force of the elastic component can make the frame fixed on the surface of the fixing frame fit left and right, which is convenient for left and right welding. The side wall of the sliding block is fixedly connected to the fixing frame, and fixed plates are slidably connected to both sides of the surface of the fixing frame.

[0009] According to some embodiments, square plates are slidably connected to the inner walls of the fixed frame on both sides, and rotating columns are rotatably connected to the side walls of the sliding block, and the rotating columns extend to the inner cavity of the fixed frame, and the rotating columns and the square plates are meshedly connected, and the side walls of the rotating columns are provided with tooth grooves, and the side walls of the square plates are fixedly connected to the inner tooth plates, and the tooth grooves of the inner tooth plates and the side walls of the rotating columns are meshedly connected, and the square plates and the fixed plates are fixedly connected, and the surface of the fixed plates is arranged in an arc shape, and the meshing connection between the square plates and the rotating columns is utilized, and the rotating columns are rotated so that the square plates simultaneously drive the fixed plates to move closer to the center position of the fixed frame, which is convenient for fixing the frame at the center position of the fixed frame, thereby determining the center of the frame.

[0010] According to some embodiments, the telescopic assembly includes a first sleeve, a first sliding column and a threaded bolt. The first sleeve is fixedly installed on the top of the sliding plate on the right side of the box. The first sliding column is slidably connected to the inner cavity of the first sleeve. The first sliding column is fixedly connected to the mounting frame. The first sliding column can be fixed to the inner cavity of the first sleeve by using a threaded bolt. The elastic assembly includes a second sleeve, a second sliding column and a spring. The second sleeve is fixedly installed on the inner wall of the mounting frame. The second sliding column is slidably connected to the inner cavity of the second sleeve. The second sliding column and the sliding block are fixedly connected. A spring is fixedly connected between the second sleeve and the second sliding column.

[0011] Beneficial Effects

[0012] The utility model provides a frame welding device, which has the following beneficial effects:

[0013] (1) The frame welding device first fixes the frame in the middle of the fixing plate arranged on the surface of the fixing frame, and uses the lifting cylinder and the telescopic component to adjust the position of the mounting frame on the top thereof so that they are at the same height, and then turns on the servo motor, which drives the bidirectional threaded rod to rotate, so that the frames on the left and right sides move toward the middle, which is convenient for center welding, wherein the height of the mounting frame is adjusted so that the frames fixed thereto are placed in an upper and lower position, and then the servo motor is used to overlap the frames up and down, which is convenient for upper and lower welding, wherein the elastic force of the elastic component is used to make the frames fixed in the fixing frame fit each other left and right, so that left-right welding can be completed, which is convenient for welding at various positions between the frames, and is simple and convenient.

[0014] (2) The frame welding device rotates the rotating column when fixing the frame. Since the rotating column and the square plate are meshed, the fixing plate on the outer side of the fixing frame can slide toward the center position when the rotating column is rotated. Since the surface of the fixing plate is arranged in an arc shape, the frames on both sides can be fixed at the center position of the fixing plate, thereby facilitating the determination of the center point of the frame, thereby facilitating the welding of the frame and avoiding the phenomenon of crooked welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the utility model (front section);

[0017] Figure 3 This is a schematic diagram of the structure of the mounting frame of the utility model (side view);

[0018] Figure 4 It is a structural schematic diagram (side section) of the fixing frame of the utility model.

[0019] In the figure: 1. box body; 101. servo motor; 102. bidirectional threaded rod; 2. sliding plate; 201. lifting cylinder; 202. telescopic column; 203. mounting frame; 204. sliding block; 205. fixed frame; 206. fixed plate; 3. square plate; 301. rotating column; 302. tooth groove; 303. inner tooth plate; 304. first sleeve; 305. first sliding column; 306. threaded bolt; 307. second sleeve; 308. second sliding column; 309. spring. 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] Reference Figure 1-4 A frame welding device includes a box body 1, a servo motor 101 is fixedly connected to the side wall of the box body 1, a bidirectional threaded rod 102 is fixedly connected to the bottom of the servo motor 101, and further includes:

[0022] The outer walls of both sides of the bidirectional threaded rod 102 are connected with a sliding plate 2, the sliding plate 2 is slidably connected to the box body 1, and the sliding plate 2 passes through the outer wall of the box body 1, the top of the sliding plate 2 on the left side of the bidirectional threaded rod 102 is fixedly connected to a lifting cylinder 201, the end of the lifting cylinder 201 is fixedly connected to a telescopic column 202, the top of the sliding plate 2 on the left side of the bidirectional threaded rod 102 is fixedly connected to a telescopic component, and the telescopic column 202 and the top of the telescopic component are fixedly connected to a mounting frame 203;

[0023] An elastic component is fixedly connected to the inner wall of the mounting frame 203, a sliding block 204 is fixedly connected to the end of the elastic component, and the sliding block 204 is slidably connected to the mounting frame 203;

[0024] The side wall of the sliding block 204 is fixedly connected with a fixing frame 205, and both sides of the surface of the fixing frame 205 are slidably connected with fixing plates 206;

[0025] It should be noted that: first, the frame to be welded is fixed in the middle of the fixing plate 206 set on the surface of the fixing frame 205 on both sides of the box body 1, and then the position of the fixing frame 205 is adjusted according to the welding position. That is, when center welding is required, the position of the mounting frame 203 on the top is adjusted by using the lifting cylinder 201 and the telescopic component to make it at the same height, and then the servo motor 101 is turned on, and the servo motor 101 drives the bidirectional threaded rod 102 to rotate, so that the fixed frames in the fixing frames 205 on the left and right sides move to the middle, which is convenient for center welding. When it is necessary to perform upper and lower welding, the height of the mounting frame 203 is adjusted in the same way, so that the fixed frames are placed in the upper and lower positions, and then the servo motor 101 is turned on to drive the fixing frame 205 to move to the center of the box body 1, so that the frames are overlapped up and down, which is convenient for upper and lower welding. When left and right welding is required, the elastic force of the elastic component is used to make the fixed frames in the fixing frame 205 fit each other left and right, so that the left and right welding can be completed. The above device is convenient for welding at various positions between the frames, which is simple and convenient.

[0026] Reference Figure 1-4 , the inner walls of the fixed frame 205 are slidably connected with square plates 3, the side walls of the sliding block 204 are rotatably connected with rotating columns 301, and the rotating columns 301 extend to the inner cavity of the fixed frame 205, and the rotating columns 301 and the square plates 3 are meshingly connected;

[0027] The side wall of the rotating column 301 is provided with a tooth groove 302, and the side wall of the square plate 3 is fixedly connected to the inner tooth plate 303, and the inner tooth plate 303 is meshedly connected with the tooth groove 302 of the side wall of the rotating column 301;

[0028] The square plate 3 and the fixing plate 206 are fixedly connected, and the surface of the fixing plate 206 is arranged to be arc-shaped;

[0029] It should be noted that when fixing the frame, the rotating column 301 is rotated. Since the tooth groove 302 on the side wall of the rotating column 301 and the inner tooth plate 303 on the side wall of the square plate 3 are meshed, when the rotating column 301 is rotated, the square plate 3 can slide toward the center position of the fixed frame 205 at the same time, which can drive the fixed plate 206 on the outside of the fixed frame 205 to slide toward the center position. Since the surface of the fixed plate 206 is arranged in an arc shape, the frames on both sides can be fixed at the center position of the fixed plate 206, thereby facilitating the determination of the center point of the frame, thereby facilitating the welding of the frame and avoiding the phenomenon of crooked welding.

[0030] Reference Figure 1-4 The telescopic assembly includes a first sleeve 304, a first sliding column 305 and a threaded bolt 306. The first sleeve 304 is fixedly mounted on the top of the sliding plate 2 on the right side of the box body 1. The first sliding column 305 is slidably connected to the inner cavity of the first sleeve 304. The first sliding column 305 is fixedly connected to the mounting frame 203.

[0031] The elastic component includes a second sleeve 307, a second sliding column 308 and a spring 309. The second sleeve 307 is fixedly mounted on the inner wall of the mounting frame 203. The second sliding column 308 is slidably connected to the inner cavity of the second sleeve 307. The second sliding column 308 is fixedly connected to the sliding block 204. The spring 309 is fixedly connected between the second sleeve 307 and the second sliding column 308.

[0032] It should be noted that: the first sliding column 305 is slid in the inner cavity of the first sleeve 304 to adjust the position of the mounting bracket 203 on the top of the first sliding column 305. After the position is determined, the threaded bolt 306 is rotated to fix the first sliding column 305 in the inner cavity of the first sleeve 304. In particular, the mounting brackets 203 on the left and right sides of the box body 1 are symmetrical about the center point of the box body 1, and the second sliding columns 308 in the inner cavities of the mounting brackets 203 on the left and right sides are respectively slid into the inner cavity of the second sleeve 307. At this time, the spring 309 is squeezed, and then the squeezing force generated by the spring 309 is used to make the second sliding columns 308 on both sides slide toward the middle of the mounting bracket 203, so that the frame fixed on the surface of the fixing bracket 205 fits left and right, which is convenient for welding.

[0033] Operation method: When fixing the vehicle frame, rotate the rotating column 301. Since the tooth groove 302 on the side wall of the rotating column 301 and the inner tooth plate 303 on the side wall of the square plate 3 are meshed, when the rotating column 301 is rotated, the square plate 3 can slide toward the center position of the fixing frame 205 at the same time, which can drive the fixing plate 206 on the outside of the fixing frame 205 to slide toward the center position. Since the surface of the fixing plate 206 is arranged in an arc shape, the vehicle frames on both sides can be fixed at the center position of the fixing plate 206, thereby facilitating the determination of the center point of the vehicle frame, thereby facilitating the welding of the vehicle frame and avoiding the phenomenon of welding crookedly.

[0034] Then, according to the welding position, the position of the fixing frame 205 is adjusted. That is, when center welding is required, the position of the mounting frame 203 on the top is adjusted respectively by using the lifting cylinder 201 and the telescopic assembly to make them at the same height, and then the servo motor 101 is turned on. The servo motor 101 drives the bidirectional threaded rod 102 to rotate, so that the frames fixed in the fixing frames 205 on the left and right sides move toward the middle, which is convenient for center welding. When upper and lower welding is required, the height of the mounting frame 203 is adjusted in the same way, so that the frames fixed to them are placed in the upper and lower positions, and then the servo motor 101 is turned on to drive the fixing frame 205 to the box The center of the box body 1 is moved to overlap the frame up and down, which is convenient for upper and lower welding. When left and right welding is required, in particular, the mounting frames 203 on the left and right sides of the box body 1 are symmetrical about the center point of the box body 1, wherein the second sliding columns 308 in the inner cavities of the mounting frames 203 on the left and right sides are respectively slid toward the inner cavity of the second sleeve 307. At this time, the spring 309 is squeezed, and then the squeezing force generated by the spring 309 is used to make the second sliding columns 308 on both sides slide toward the middle of the mounting frame 203, so that the frame fixed on the surface of the fixing frame 205 fits left and right, which is convenient for welding. The above device is convenient for welding at various positions between the frames, which is simple and convenient.

[0035] 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 vehicle frame welding device, comprising a box (1), characterized in that: The box body (1) has a servo motor (101) fixedly connected to the side wall, and a bidirectional threaded rod (102) fixedly connected to the bottom of the servo motor (101), and further comprises: The outer walls of both sides of the bidirectional threaded rod (102) are connected to sliding plates (2) by threaded rods. The sliding plates (2) are slidably connected to the box body (1), and the sliding plates (2) penetrate the outer wall of the box body (1). The top of the sliding plate (2) on the left side of the bidirectional threaded rod (102) is fixedly connected to a lifting cylinder (201), and the end of the lifting cylinder (201) is fixedly connected to a telescopic column (202). The top of the sliding plate (2) on the left side of the bidirectional threaded rod (102) is fixedly connected to a telescopic component, and the telescopic column (202) and the top of the telescopic component are both fixedly connected to a mounting frame (203).

2. A vehicle frame welding device according to claim 1, characterized in that: An elastic component is fixedly connected to the inner wall of the mounting frame (203), a sliding block (204) is fixedly connected to the end of the elastic component, and the sliding block (204) and the mounting frame (203) are slidably connected.

3. A vehicle frame welding device according to claim 2, characterized in that: The side wall of the sliding block (204) is fixedly connected to a fixing frame (205), and both sides of the surface of the fixing frame (205) are slidably connected to fixing plates (206).

4. A vehicle frame welding device according to claim 3, characterized in that: The inner walls of the fixed frame (205) are slidably connected to square plates (3), and the side walls of the sliding block (204) are rotatably connected to rotating columns (301), which extend into the inner cavity of the fixed frame (205), and the rotating columns (301) and the square plates (3) are meshingly connected.

5. A vehicle frame welding device according to claim 4, characterized in that: The side wall of the rotating column (301) is provided with a tooth groove (302), the side wall of the square plate (3) is fixedly connected to the inner tooth plate (303), and the inner tooth plate (303) and the tooth groove (302) of the side wall of the rotating column (301) are meshed and connected.

6. A vehicle frame welding device according to claim 5, characterized in that: The square plate (3) and the fixing plate (206) are fixedly connected, and the surface of the fixing plate (206) is arranged to be arc-shaped.

7. A vehicle frame welding device according to claim 1, characterized in that: The telescopic assembly comprises a first sleeve (304), a first sliding column (305) and a threaded bolt (306); the first sleeve (304) is fixedly mounted on the top of the sliding plate (2) on the right side of the box body (1); the first sliding column (305) is slidably connected to the inner cavity of the first sleeve (304); and the first sliding column (305) is fixedly connected to the mounting frame (203).

8. A vehicle frame welding device according to claim 2, characterized in that: The elastic component includes a second sleeve (307), a second sliding column (308) and a spring (309); the second sleeve (307) is fixedly mounted on the inner wall of the mounting frame (203); the second sliding column (308) is slidably connected to the inner cavity of the second sleeve (307); the second sliding column (308) and the sliding block (204) are fixedly connected; and a spring (309) is fixedly connected between the second sleeve (307) and the second sliding column (308).

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