Automatic welding clamp for automobile seat framework

Abstract

The utility model discloses an automobile seat framework automatic welding clamp which comprises an overturning plate and a bearing plate, walking wheels are installed on the two sides of the overturning plate, integrated blocks are installed on the side walls of the walking wheels, second electric push rods are movably installed on the side walls of the integrated blocks, and the second electric push rods are movably installed on the bearing plate. Second push arms are installed at the output ends of the second electric push rods correspondingly, hinge shafts are installed at the ends, away from the second electric push rods, of the second push arms correspondingly, pressing rods are installed on the side walls, on one sides of the second electric push rods, of the integrated block correspondingly, and movable shafts are installed at the ends, close to the integrated block, of the pressing rods correspondingly. And the pressing rod is movably connected with the integrated block through a movable shaft. According to the multi-position linkage welding device, a seat framework to be welded is conveniently clamped and placed in a multi-position linkage mode, the seat framework is conveniently overturned and adjusted, the seat framework can be conveniently moved, adjusted and welded, a plurality of groups of seat frameworks can be conveniently welded at a time, and the welding flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding fixtures, in particular to an automatic welding fixture for a car seat frame. Background Art

[0002] With the continuous development of modern society, cars have become an essential means of travel for every family. Car seats are installed inside the car. The main body of the car seat is the car seat frame. The seat frame provides support and protection for the driver and passengers. The seat frame is welded. Traditional welding is mostly manual welding. In order to better weld the car seat frame, an automatic welding fixture for the car seat frame is proposed.

[0003] For example, an automatic welding fixture for a car seat frame disclosed in the authorization announcement number CN208437872U includes a bottom plate, a side plate, a pre-positioning mechanism for placing the car seat frame, a first pressing mechanism and a second pressing mechanism, the pre-positioning mechanism is convexly arranged on the side plate, a fixing groove is formed on the pre-positioning mechanism, the first pressing mechanism includes a pressing block and a pressing cylinder, and the second pressing mechanism includes a pushing cylinder and a pushing plate;

[0004] Although it is realized that a first pressing mechanism is provided in front of the side plate, the first pressing mechanism is provided with a pressing block and a pressing cylinder, the pressing block can rotate along the axis of the pressing cylinder and translate backward to press on the upper surface of the car seat frame, so that the car seat frame can be fixed in the front and rear directions, and at the same time, a second pressing mechanism is provided in front of the side plate, and the second pressing mechanism cooperates with the pre-positioning mechanism to fix the car seat frame in four directions of up, down, left and right, thereby improving the accuracy of the welding product and the production efficiency of welding;

[0005] However, the problem that the existing welding fixture is not conducive to convenient multi-position linkage clamping and placement of the seat frame to be welded and convenient flipping and adjustment of the seat frame, is not conducive to moving and adjusting the seat frame for welding and welding of multiple groups of seat frames at one time, affects the flexibility of welding. Utility Model Content

[0006] The purpose of the utility model is to provide an automatic welding fixture for automobile seat frames, so as to solve the problem proposed in the above-mentioned background technology that the welding fixture is not convenient for convenient multi-position linkage clamping and placing of the seat frame to be welded and convenient flipping and adjusting the seat frame, is not conducive to the mobile adjustment welding of the seat frame and the welding of multiple groups of seat frames at one time, which affects the flexibility of welding.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic welding fixture for a car seat frame, comprising a flip plate and a supporting plate, walking wheels are installed on both sides of the flip plate, and integrated blocks are installed on the side walls of the walking wheels, and second electric push rods are movably installed on the side walls of the integrated block, and the output ends of the second electric push rods are installed with second push arms, and the ends of the second push arms away from the second electric push rods are installed with hinge shafts, and pressure rods are installed on the side walls of the integrated block on one side of the second electric push rod, and the ends of the pressure rods close to the integrated block are installed with movable shafts, and the pressure rods are movably connected to the integrated block through the movable shaft, and the second push arms are movably connected to the pressure rods through the hinge shaft, and third electric push rods are installed on the side walls of the supporting plate on one side of the integrated block, and third push arms are installed on the output ends of the third electric push rods, and fixed blocks are installed on the side walls of the supporting plate on one side of the third push arms, and a track is arranged on the outside of the flip plate.

[0008] Preferably, a walking frame is provided below the track, two sets of walking wheels are symmetrically mounted on the inner wall of the walking frame, the walking wheels are movably connected to the walking frame, and the walking wheels are slidably connected to the track.

[0009] Preferably, a walking motor is installed on the outer wall of the walking frame, and the output end of the walking motor is connected to a group of walking wheels.

[0010] Preferably, a first electric push rod is installed at the bottom end of the walking frame, and a first push arm is installed at the output end of the first electric push rod.

[0011] Preferably, a support frame is installed at one end of the first push arm away from the first electric push rod, and the support frame is slidably connected to the connecting plate.

[0012] Preferably, a turnover box is installed on the outer wall of the support frame, a servo motor is installed on the inner wall of the turnover box, and a transmission bevel gear is installed on the output end of the servo motor.

[0013] Preferably, a transmission shaft is movably installed inside the flip box on one side of the transmission bevel gear, and the transmission shaft passes through the support frame, and the transmission shaft is movably connected to the support frame. A driven bevel gear is mounted on the surface of the transmission shaft, and the driven bevel gear and the transmission bevel gear are meshed with each other.

[0014] Preferably, a flip frame is installed at one end of the transmission shaft, and the flip frame is connected to the flip plate, an auxiliary shaft is installed at one side of the flip plate, and the flip plate is movably connected to the support frame through the auxiliary shaft.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the welding fixture not only realizes convenient multi-position linkage clamping and placement of the seat frame to be welded and convenient flipping and adjustment of the seat frame, but also facilitates the mobile adjustment welding of the seat frame and the welding of multiple groups of seat frames at one time, and improves the flexibility of welding;

[0016] (1) The third push arm is driven to move by the third electric push rod, and the seat frame is pressed against the surface of the fixed block by the third push arm, and the second push arm is driven to move by the second electric push rod, and the second push arm drives the pressure rod to rotate with the movable axis as the axis through the hinge shaft, so that the pressure rod contacts the surface of the seat frame, and the seat frame is fixed on the surface of the bearing plate, and a group of walking wheels are driven to rotate by the walking motor, and the walking wheels drive the walking frame to move on the track surface, and the walking frame drives the connecting plate, the support frame, the bearing plate and the seat frame to move to the welding position, and the first push arm is driven to move by the first electric push rod, and the first push arm drives the support frame to slide on the surface of the connecting plate, and the support frame drives a group of bearing plates to approach the welding gun, and the welding gun completes the welding operation of the seat frame, thereby realizing a convenient multi-position linkage clamping and placing of the seat frame to be welded, and facilitating the moving, adjusting and welding of the seat frame;

[0017] (2) The support frame is reset by the first electric push rod, the transmission bevel gear is driven to rotate by the servo motor, the transmission bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the transmission shaft to rotate, the transmission shaft drives the flip frame to rotate, and the flip frame drives the flip plate to rotate to flip the other set of supporting plates. Then, the above operations are repeated to complete the welding of the other set of supporting plates, thereby realizing convenient flip adjustment of the seat frame, facilitating the welding of multiple sets of seat frames at one time, and improving the flexibility of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the track of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the load-bearing plate of the utility model;

[0021] Figure 4 It is a front cross-sectional structural schematic diagram of the turnover box of the utility model;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the walking frame of the utility model.

[0023] In the figure: 1. track; 2. connecting plate; 3. first electric push rod; 4. first push arm; 5. support frame; 6. turning box; 7. load-bearing plate; 8. walking frame; 9. integrated block; 10. second electric push rod; 11. second push arm; 12. movable shaft; 13. pressure rod; 14. third electric push rod; 15. third push arm; 16. walking motor; 17. walking wheel; 18. turning plate; 19. hinge shaft; 20. transmission shaft; 21. transmission bevel gear; 22. servo motor; 23. driven bevel gear; 24. turning frame; 25. auxiliary shaft; 26. fixing block. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5 The utility model provides an embodiment: an automatic welding fixture for a car seat frame, comprising a flip plate 18 and a bearing plate 7, both sides of the flip plate 18 are equipped with running wheels 17, the side walls of the running wheels 17 are equipped with integrated blocks 9, the side walls of the integrated blocks 9 are movably equipped with second electric push rods 10, the second electric push rods 10 play a role of power drive, the output ends of the second electric push rods 10 are equipped with second push arms 11, the ends of the second push arms 11 away from the second electric push rods 10 are equipped with hinge shafts 19, the side walls of the integrated blocks 9 on one side of the second electric push rods 10 A pressure rod 13 is installed on each of the plurality of manifold blocks 9, and a movable shaft 12 is installed on one end of the pressure rod 13 close to the manifold block 9, and the pressure rod 13 is movably connected to the manifold block 9 through the movable shaft 12, and the second push arm 11 is movably connected to the pressure rod 13 through a hinge shaft 19, and a third electric push rod 14 is installed on the side wall of the bearing plate 7 on one side of the manifold block 9, and the third electric push rod 14 plays a role of power drive, and a third push arm 15 is installed on the output end of the third electric push rod 14, and a fixed block 26 is installed on the side wall of the bearing plate 7 on one side of the third push arm 15, and a track 1 is arranged on the outside of the flip plate 18;

[0026] The track 1 is installed to the ceiling position of the welding station, and then the device is connected to the external controller and the external circuit, and the seat frame to be welded is placed on the two sets of bearing plates 7. The third electric push rod 14 is opened by external control, and the third push arm 15 is driven by the third electric push rod 14 to move. Under the cooperation of the third push arm 15 and the fixed block 26, the third push arm 15 presses the seat frame on the surface of the fixed block 26. Then, the second electric push rod 10 is opened by external control, and the second electric push rod 10 drives the second push arm 11 to move. Under the support of the integrated block 9, the second push arm 11 drives the pressure rod 13 to rotate around the movable shaft 12 through the hinge shaft 19, so that the pressure rod 13 contacts the surface of the seat frame to fix the seat frame on the bearing. The surface of the plate 7 is then turned on by external control, and the walking motor 16 is driven by the walking motor 16 to rotate a group of walking wheels 17. Under the cooperation of other groups of walking wheels 17, the walking wheels 17 drive the walking frame 8 to move on the surface of the track 1, and the walking frame 8 drives the connecting plate 2, the support frame 5, the bearing plate 7 and the seat frame to move to the welding position, and the first electric push rod 3 is turned on by external control, and the first electric push rod 3 drives the first push arm 4 to move, and the first push arm 4 drives the support frame 5 to slide on the surface of the connecting plate 2, and the support frame 5 drives a group of bearing plates 7 to approach the welding gun, and the welding gun completes the welding operation of the seat frame, thereby realizing a convenient multi-position linkage clamping and placing of the seat frame to be welded, and facilitating the movement, adjustment and welding of the seat frame;

[0027] A traveling frame 8 is provided below the track 1, and two sets of traveling wheels 17 are symmetrically mounted on the inner wall of the traveling frame 8, and the traveling wheels 17 are movably connected to the traveling frame 8, and the traveling wheels 17 are slidably connected to the track 1, and a traveling motor 16 is mounted on the outer wall of the traveling frame 8, and the traveling motor 16 plays a role of power drive, and the output end of the traveling motor 16 is connected to a set of traveling wheels 17;

[0028] A first electric push rod 3 is installed at the bottom end of the walking frame 8, and the first electric push rod 3 plays a role of power driving. A first push arm 4 is installed at the output end of the first electric push rod 3, and a support frame 5 is installed at one end of the first push arm 4 away from the first electric push rod 3, and the support frame 5 is slidably connected to the connecting plate 2;

[0029] A flip box 6 is installed on the outer wall of the support frame 5, and a servo motor 22 is installed on the inner wall of the flip box 6. The servo motor 22 plays a role of power driving. A transmission bevel gear 21 is installed at the output end of the servo motor 22. A transmission shaft 20 is movably installed inside the flip box 6 on one side of the transmission bevel gear 21, and the transmission shaft 20 passes through the support frame 5, and the transmission shaft 20 is movably connected to the support frame 5. A driven bevel gear 23 is set on the surface of the transmission shaft 20, and the driven bevel gear 23 and the transmission bevel gear 21 are meshed with each other;

[0030] A flip frame 24 is installed at one end of the transmission shaft 20, and the flip frame 24 is connected to the flip plate 18. An auxiliary shaft 25 is installed on one side of the flip plate 18, and the flip plate 18 is movably connected to the support frame 5 through the auxiliary shaft 25.

[0031] When a group of seat frames are welded, the first electric push rod 3 is closed, and the support frame 5 is reset by the first electric push rod 3. Then, the servo motor 22 is turned on by external control, and the servo motor 22 drives the transmission bevel gear 21 to rotate. Under the mutual engagement of the transmission bevel gear 21 and the driven bevel gear 23, the transmission bevel gear 21 drives the driven bevel gear 23 to rotate, and the driven bevel gear 23 drives the transmission shaft 20 to rotate, and the transmission shaft 20 drives the flip frame 24 to rotate. Under the active support of the auxiliary shaft 25, the flip frame 24 drives the flip plate 18 to rotate to flip over another group of supporting plates 7. Then, the above operation is repeated to complete the welding of another group of supporting plates 7, thereby realizing convenient flipping and adjusting of the seat frame, facilitating the welding of multiple groups of seat frames at one time, and improving the flexibility of welding.

[0032] Working principle: The third push arm 15 is driven by the third electric push rod 14 to move, and the seat frame is pressed against the surface of the fixed block 26 by the third push arm 15; the second push arm 11 is driven by the second electric push rod 10 to move, and the second push arm 11 drives the pressure rod 13 to rotate around the movable axis 12 through the hinge shaft 19, so that the pressure rod 13 contacts the surface of the seat frame, and fixes the seat frame on the surface of the bearing plate 7; the travel motor 16 drives a group of travel wheels 17 to rotate, and the travel wheels 17 drive the travel frame 8 to move on the surface of the track 1, and the travel frame 8 drives the connecting plate 2, the support frame 5, the bearing plate 7 and the seat frame to move to the welding position; the first push rod 3 drives the first push arm 4 to move, and the first push arm 4 drives the support frame 5 Sliding on the surface of the connecting plate 2, the support frame 5 drives a group of bearing plates 7 to approach the welding gun, and the welding gun completes the welding operation of the seat frame. When a group of seat frames is welded, the first electric push rod 3 is closed, and the first electric push rod 3 drives the support frame 5 to reset, and the servo motor 22 drives the transmission bevel gear 21 to rotate, and the transmission bevel gear 21 drives the driven bevel gear 23 to rotate, and the driven bevel gear 23 drives the transmission shaft 20 to rotate, and the transmission shaft 20 drives the flip frame 24 to rotate, and the flip frame 24 drives the flip plate 18 to rotate, so as to flip over another group of bearing plates 7, and then repeat the above operation to complete the welding work of another group of bearing plates 7, so as to complete the use of the automatic welding fixture for the automobile seat frame.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An automatic welding fixture for a car seat frame, comprising a turning plate (18) and a bearing plate (7), characterized in that: Travel wheels (17) are installed on both sides of the flip plate (18), and integrated blocks (9) are installed on the side walls of the travel wheels (17). A second electric push rod (10) is movably installed on the side walls of the integrated block (9). A second push arm (11) is installed at the output end of the second electric push rod (10), and a hinge shaft (19) is installed at one end of the second push arm (11) away from the second electric push rod (10). A pressure rod (13) is installed on the side wall of the integrated block (9) on one side of the second electric push rod (10), and the pressure rod (13) is close to the integrated block (9). ) are all installed with a movable shaft (12) at one end, and the pressure rod (13) is movably connected to the integrated block (9) through the movable shaft (12), and the second push arm (11) is movably connected to the pressure rod (13) through a hinge shaft (19), a third electric push rod (14) is installed on the side wall of the bearing plate (7) on one side of the integrated block (9), a third push arm (15) is installed at the output end of the third electric push rod (14), a fixed block (26) is installed on the side wall of the bearing plate (7) on one side of the third push arm (15), and a track (1) is arranged on the outside of the flip plate (18).

2. The automatic welding fixture for automobile seat frame according to claim 1 is characterized in that: A walking frame (8) is arranged below the track (1), and two groups of walking wheels (17) are symmetrically mounted on the inner wall of the walking frame (8), and the walking wheels (17) are movably connected to the walking frame (8), and the walking wheels (17) are slidably connected to the track (1).

3. The automatic welding fixture for automobile seat frame according to claim 2 is characterized in that: A traveling motor (16) is installed on the outer wall of the traveling frame (8), and the output end of the traveling motor (16) is connected to a group of traveling wheels (17).

4. The automatic welding fixture for automobile seat frame according to claim 2 is characterized in that: A first electric push rod (3) is installed at the bottom end of the walking frame (8), and a first push arm (4) is installed at the output end of the first electric push rod (3).

5. The automatic welding fixture for automobile seat frame according to claim 4 is characterized in that: A support frame (5) is installed at one end of the first push arm (4) away from the first electric push rod (3), and the support frame (5) is slidably connected to the connecting plate (2).

6. The automatic welding fixture for automobile seat frame according to claim 5, characterized in that: A turning box (6) is installed on the outer wall of the support frame (5), a servo motor (22) is installed on the inner wall of the turning box (6), and a transmission bevel gear (21) is installed at the output end of the servo motor (22).

7. The automatic welding fixture for automobile seat frame according to claim 6, characterized in that: A transmission shaft (20) is movably mounted inside the flip box (6) on one side of the transmission bevel gear (21), and the transmission shaft (20) passes through the support frame (5), and the transmission shaft (20) is movably connected to the support frame (5), and a driven bevel gear (23) is sleeved on the surface of the transmission shaft (20), and the driven bevel gear (23) and the transmission bevel gear (21) are meshed with each other.

8. The automatic welding fixture for automobile seat frame according to claim 7, characterized in that: A flip frame (24) is installed at one end of the transmission shaft (20), and the flip frame (24) is connected to the flip plate (18). An auxiliary shaft (25) is installed at one side of the flip plate (18), and the flip plate (18) is movably connected to the support frame (5) through the auxiliary shaft (25).

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