Turnover device for vehicle body welding fixture

Abstract

The utility model belongs to the technical field of automobile manufacturing equipment, and particularly discloses an automobile body welding clamp turnover device which comprises a rectangular device shell, a connecting steel bar is arranged on the surface of the top end of the device shell, a motor box is arranged on the surface of the rear side of the device shell, and stand columns are arranged on the two sides of the device shell. An anti-skid mounting base is arranged on the surface of the bottom end of the stand column, a containing groove is formed in the device shell, a turnover mechanism is arranged in the containing groove, and a clamping mechanism is arranged below the turnover mechanism; a main gear is matched with an auxiliary rotating wheel, and a connecting plate is turned over in the same direction along with turning of a rotating rail, so that the connecting plate drives a clamping mechanism to turn over as a whole, a worker can weld the bottom conveniently, and the situation that when the bottom of a pipeline is welded, a welder needs to lie under the pipeline for overhead welding is effectively avoided; and the potential safety hazard of skin burning caused by the fact that welding slag is easily sputtered to welders is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile manufacturing equipment, and in particular relates to a vehicle body welding fixture flipping device. Background Art

[0002] At present, the existing Chinese patent with publication number CN210359977U discloses a car body welding fixture, which relates to the field of new energy vehicle technology, including a carriage, wherein two symmetrical clamping plates are placed inside the carriage, and the two clamping plates are fixedly connected to a fixed block on one side away from each other, and the back of each fixed block is fixedly hinged with a fixed rod through a first pin shaft. The car body welding fixture achieves the effect of making the electric push rod rotatable, has the function of providing power conditions for left and right clamping through the electric push rod, has the advantage of automatic clamping, achieves the effect of driving the second pin shaft to slide up and down in the sliding shaft through the electric push rod, has the function of driving the clamping plate to move left and right through the fixed rod, can clamp the car body left and right, has the advantage of good clamping effect, achieves the effect of driving the top plate to move up and down through the forward and reverse motor, has the function of clamping the car body at the top, and further improves the overall clamping effect; although the device solves the above-mentioned shortcomings, the device does not have a flipping function. Usually, when welding the bottom of the pipeline, the welder needs to lie directly below the pipeline for overhead welding, and the welding slag is easy to splash to the welder, causing a safety hazard of skin burns. Utility Model Content

[0003] The utility model aims to provide a vehicle body welding fixture flipping device to solve the problems existing in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: The utility model is a vehicle body welding fixture flipping device, comprising a device shell, the device shell is rectangular, a connecting steel bar is arranged on the top surface of the device shell, a motor box is arranged on the rear surface of the device shell, columns are arranged on both sides of the device shell, a non-slip mounting seat is arranged on the bottom surface of the column, a containing groove is arranged inside the device shell, a flipping mechanism is arranged inside the containing groove, and a clamping mechanism is arranged below the flipping mechanism.

[0005] As a preferred technical solution of the utility model, the column is fixedly connected to the device housing, a rotating motor is arranged inside the motor box, and a controller is connected to the motor box and the clamping mechanism.

[0006] As a preferred technical solution of the utility model, the flipping mechanism includes a connecting protrusion and an auxiliary rotating wheel, the connecting protrusion is provided with an auxiliary rotating wheel, the top surface of the auxiliary rotating wheel is provided with a rotating rail, main gears are symmetrically provided on both sides of the rotating rail, a rotating rod passes through the inside of the main gear, and one end of the rotating rod is fixedly connected to the rotating motor inside the motor box.

[0007] As a preferred technical solution of the utility model, the side of the rotating rod away from the motor box is connected to the device housing through a rotating connector, and tooth grooves are provided at the connection between the rotating rail and the auxiliary rotating wheel and the main gear. The shape of the rotating rail is arc-shaped.

[0008] As a preferred technical solution of the utility model, the clamping mechanism includes a connecting plate and a sliding groove, the connecting plate is provided with a sliding groove inside, the sliding groove is provided with a threaded rotating rod inside, the outer side of the threaded rotating rod is provided with a first sliding block and a second sliding block, the bottom end surfaces of the first sliding block and the second sliding block are provided with vertical rods, and the opposite surfaces of the vertical rods are provided with clamping seats.

[0009] As a preferred technical solution of the utility model, threads with opposite directions are provided at the connection between the first slider, the second slider and the threaded rotating rod, one end of the threaded rotating rod is connected to a rotating motor, and the other end of the threaded rotating rod is connected to an idle bearing seat.

[0010] As a preferred technical solution of the utility model, the number of the columns is four and they are symmetrically arranged on both sides of the device housing.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model uses a main gear to cooperate with an auxiliary rotating wheel, and utilizes a connecting plate to flip in the same direction as the rotating rail 10 flips, so that the connecting plate drives the clamping mechanism to flip as a whole, thereby facilitating the welding of the bottom by the workers, and effectively avoiding the safety hazard of the welder lying directly under the pipeline for overhead welding when welding the bottom of the pipeline, and the welding slag is easy to splash to the welder and cause skin burns. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the device housing of the utility model;

[0015] Figure 3 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 4 It is an enlarged view of point A of the front section diagram of the overall structure of the utility model;

[0017] Figure 5 It is a cross-sectional schematic diagram of the connection plate of the utility model;

[0018] In the figure: 1. device housing; 2. flip mechanism; 3. connecting steel bar; 4. motor box; 5. column; 6. anti-slip mounting seat; 7. clamping mechanism; 8. connecting protrusion; 9. auxiliary rotating wheel; 10. rotating rail; 11. main gear; 12. rotating rod; 13. containing groove; 71. connecting plate; 72. sliding groove; 73. threaded rotating rod; 74. first sliding block; 75. second sliding block; 76. vertical rod; 77. clamping seat. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings and preferred embodiments.

[0020] like Figure 1-5 As shown, the utility model provides a vehicle body welding fixture flipping device, including a device housing 1, the device housing 1 is rectangular, a connecting steel bar 3 is provided on the top surface of the device housing 1, a motor box 4 is provided on the rear surface of the device housing 1, columns 5 are provided on both sides of the device housing 1, and a non-slip mounting seat 6 is provided on the bottom surface of the column 5. A containing groove 13 is provided inside the device housing 1, a flipping mechanism 2 is provided inside the containing groove 13, and a clamping mechanism 7 is provided below the flipping mechanism.

[0021] Furthermore, the column 5 is fixedly connected to the device housing 1, a rotating motor is arranged inside the motor box 4, and the motor box 4 and the clamping mechanism 7 are connected to a controller.

[0022] The flipping mechanism 2 includes a connecting protrusion 8 and an auxiliary rotating wheel 9. The auxiliary rotating wheel 9 is arranged inside the connecting protrusion 8. The top surface of the auxiliary rotating wheel 9 is provided with a rotating rail 10. Main gears 11 are symmetrically arranged on both sides of the rotating rail 10. A rotating rod 12 runs through the inside of the main gear 11. One end of the rotating rod 12 is fixedly connected to the rotating motor inside the motor box 4.

[0023] The side of the rotating rod 12 away from the motor box 4 is connected to the device housing 1 through a rotating connector. The connection between the rotating rail 10 and the auxiliary rotating wheel 9 and the main gear 11 is provided with tooth grooves, and the shape of the rotating rail 10 is arc-shaped.

[0024] The clamping mechanism 7 includes a connecting plate 71 and a sliding groove 72. The sliding groove 72 is arranged inside the connecting plate 71, and a threaded rotating rod 73 is arranged inside the sliding groove 72. The outer side of the threaded rotating rod 73 is provided with a first sliding block 74 and a second sliding block 75. The bottom end surfaces of the first sliding block 74 and the second sliding block 75 are provided with a vertical rod 76, and the opposite surfaces of the vertical rods 76 are provided with clamping seats 77.

[0025] The connection between the first slider 74 and the second slider 75 and the threaded rotating rod 73 is provided with threads with opposite directions. One end of the threaded rotating rod 73 is connected to a rotating motor, and the other end of the threaded rotating rod 73 is connected to an idle bearing seat, so that the threaded rotating rod 73 can rotate with the rotating motor.

[0026] There are four columns 5 symmetrically arranged on both sides of the device housing 1 to enhance the stability of the device.

[0027] Specifically, during installation, the device housing 1 is suspended by connecting the steel bars 3, and then the column 5 is welded and installed with the device housing 1; the controller controls the rotating motor inside the motor box 4 and the rotating motor inside the connecting plate 71, and the controller is a PLC controller, and the model of the controller is S7-200; before use, the device is powered on to ensure that the device can be used normally; during use, the threaded rotating rod 73 is used to rotate the rotating motor so that the first slider 74 and the second slider 75 fit the thread of the threaded rotating rod 73 and move in the opposite direction, driving the vertical rod 76 and the clamp seat 77 to move in the same direction, so that they are opened to the maximum, and then the vehicle body is placed on the opposite sides of the vertical rod 76, and then the threaded rotating rod 73 is controlled. Through the reverse rotation of the rotating motor, the first slider 74 and the second slider 75 are adapted to move toward each other in accordance with the threads of the threaded rotating rod 73, so that the vehicle body is clamped by the clamp seat 77; then, the rotating motor drives the rotating rod 12 to rotate, so that the main gear 11 is adapted to the tooth groove of the rotating rail 10, and the auxiliary rotating wheel 9 is adapted to the tooth groove, so that the connecting plate 71 is turned in the same direction as the turning of the rotating rail 10, so that the connecting plate 71 drives the clamping mechanism 7 to turn over as a whole, so that the vehicle body is tilted accordingly, which is convenient for the staff to weld the bottom, and effectively avoids the safety hazard of the welder lying directly under the pipeline for overhead welding when welding the bottom of the pipeline, and the welding slag is easily splashed to the welder to cause skin burns.

[0028] In summary, the utility model uses the main gear to cooperate with the auxiliary rotating wheel, and utilizes the connecting plate to flip in the same direction as the rotating rail 10, so that the connecting plate drives the clamping mechanism to flip as a whole, thereby facilitating the welding of the bottom by the staff, and effectively avoiding the safety hazard of the welder lying directly under the pipe for overhead welding when welding the bottom of the pipe, and the welding slag is easily splashed to the welder, causing skin burns.

[0029] It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims

1. A vehicle body welding fixture flipping device, characterized in that: The invention comprises a device housing (1), wherein columns (5) are arranged on both sides of the device housing (1), and the bottom surface of the columns (5) is provided with an anti-slip mounting seat (6), and a containing groove (13) is arranged inside the device housing (1), and a flip mechanism (2) is arranged inside the containing groove (13), and a clamping mechanism (7) is arranged below the flip mechanism, and a motor box (4) is arranged on the rear side surface of the device housing (1), and a rotating motor is arranged inside the motor box (4), and the flip mechanism (2) comprises a connecting protrusion (8) and an auxiliary rotating wheel (9), and an auxiliary rotating wheel (9) is arranged inside the connecting protrusion (8), and a rotating rail (10) is arranged on the top surface of the auxiliary rotating wheel (9), and the Main gears (11) are symmetrically arranged on both sides of the rotating rail (10), a rotating rod (12) is passed through the interior of the main gear (11), and one end of the rotating rod (12) is fixedly connected to the rotating motor inside the motor box (4); the clamping mechanism (7) comprises a connecting plate (71) and a sliding groove (72), the connecting plate (71) is provided with a sliding groove (72), a threaded rotating rod (73) is provided inside the sliding groove (72), a first sliding block (74) and a second sliding block (75) are provided on the outer side of the threaded rotating rod (73), the bottom end surfaces of the first sliding block (74) and the second sliding block (75) are provided with vertical rods (76), and the mutually opposite surfaces of the vertical rods (76) are provided with clamping seats (77).

2. The vehicle body welding fixture flipping device according to claim 1, characterized in that: A connecting steel bar (3) is provided on the top surface of the device housing (1).

3. The vehicle body welding fixture flipping device according to claim 1, characterized in that: The side of the rotating rod (12) away from the motor box (4) is connected to the device housing (1) through a rotating connector, and the connection between the rotating rail (10) and the auxiliary rotating wheel (9) and the main gear (11) is provided with tooth grooves, and the shape of the rotating rail (10) is arc-shaped.

4. The vehicle body welding fixture flipping device according to claim 1, characterized in that: The connection between the first slider (74) and the second slider (75) and the threaded rotating rod (73) is provided with threads with opposite directions. One end of the threaded rotating rod (73) is connected to a rotating motor, and the other end of the threaded rotating rod (73) is connected to an idle bearing seat.

5. The vehicle body welding fixture flipping device according to claim 1, characterized in that: The number of the upright posts (5) is four and they are symmetrically arranged on both sides of the device housing (1).

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