Rotatable automobile stamping part welding clamp

Abstract

The utility model discloses a rotatable automobile stamping part welding clamp, which belongs to the technical field of automobile stamping part welding, and comprises a workbench, a support seat arranged on the top surface of the workbench, a rotary support frame arranged above the support seat, a support shaft arranged on the side surface of the rotary support frame, and an operation area arranged on the rotary support frame, an air cylinder and a clamping plate are arranged on the top face of the rotary supporting frame, and a rotary driving assembly is arranged on the rear side of the rotary supporting frame. The rotation driving assembly comprises a transverse guide rail, a sliding block, a longitudinal guide rail, a pulley, a first connecting rod, a second connecting rod and a motor. The rotary motion of the motor is converted into the horizontal motion of the sliding block through the first connecting rod and the second connecting rod, the horizontal motion of the sliding block is converted into the rotary motion of the rotary supporting frame through the longitudinal guide rail and the pulley, a stamping part is clamped on the rotary supporting frame through the air cylinder and the clamping plate, and the stamping part rotates along with the rotary supporting frame. And multi-directional welding machining can be carried out, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile stamping parts welding, in particular to a rotatable automobile stamping parts welding fixture. Background Art

[0002] After the production of automobile stamping parts, other steel structures need to be reinforced and welded to play a strengthening role. When the existing welding method requires multi-directional welding of automobile stamping parts, it often requires the assistance of others or the operator to adjust the position to perform the welding operation, which reduces the welding efficiency. Utility Model Content

[0003] The utility model aims to provide a rotatable automobile stamping parts welding fixture to solve the problem of low work efficiency when multi-directional welding of automobile stamping parts requires assistance from others or constant adjustment of body position.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a rotatable automobile stamping parts welding fixture, comprising a workbench, the top surface of the workbench is provided with a support seat, the top of the support seat is provided with a rotating support frame, the side of the rotating support frame is provided with a support shaft matching the support seat, the rotating support frame is provided with an operating area, the top surface of the rotating support frame and the left and right sides of the operating area are symmetrically provided with cylinders, the piston rods of the cylinders are provided with clamping plates, and the rear side of the rotating support frame is provided with a rotating drive assembly; the rotating drive assembly comprises a transverse guide rail, a slider is slidably provided on the transverse guide rail, a longitudinal guide rail is provided in front of the slider, a pulley is provided on the longitudinal guide rail, a connecting plate is provided on the rear side surface of the rotating support frame, the pulley is installed on the connecting plate, a first connecting rod is provided on the slider, a second connecting rod is provided at the other end of the first connecting rod, and the other end of the second connecting rod is connected to the output shaft of a motor.

[0006] Furthermore, the top surface of the support seat is provided with an arc groove matching the support shaft.

[0007] Furthermore, the cross-section of the rotating support frame is set to an inverted U shape, the number of the supporting shafts is set to four, and the four supporting shafts are arranged on the front and rear sides of the rotating support frame.

[0008] Furthermore, the number of the support seats is set to four, and the four support seats correspond to the positions of the four support shafts.

[0009] Furthermore, a first support block is disposed on the bottom surface of the transverse guide rail, and a second support block is disposed on the bottom surface of the motor.

[0010] Furthermore, the cross section of the clamping plate is configured to be L-shaped.

[0011] Furthermore, the clamping plate includes a first clamping sub-plate and a second clamping sub-plate, the top surface of the first clamping sub-plate is provided with an installation groove, the first clamping sub-plate is provided with a first positioning hole, the second clamping sub-plate is provided with a plurality of second positioning holes, the bottom of the second clamping sub-plate is inserted into the installation groove, and one of the second positioning holes is aligned with the first positioning hole and is locked in place by bolts.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The utility model utilizes a first connecting rod and a second connecting rod to convert the rotational motion of a motor into the horizontal motion of a slider, utilizes a longitudinal guide rail and a pulley to convert the horizontal motion of the slider into the rotational motion of a rotating support frame, utilizes a cylinder and a clamping plate to clamp the stamping parts on the rotating support frame, and the stamping parts rotate with the rotating support frame, and welding processing can be performed on various positions of the stamping parts, without the need for operators to adjust their positions, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the first embodiment of the utility model;

[0016] Figure 2 This is a front view of the first embodiment of the utility model when the rotating support frame is in a horizontal state;

[0017] Figure 3 This is a front view of the first embodiment of the utility model when the rotating support frame is flipped to the left to a vertical state;

[0018] Figure 4 This is a front view of the first embodiment of the utility model when the rotating support frame is flipped to the right side to a vertical state;

[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the clamping plate of the second embodiment of the utility model when it is not assembled;

[0020] Figure 6 This is a schematic diagram of the three-dimensional structure of the second embodiment of the utility model when the clamping plate is assembled.

[0021] Explanation of the accompanying drawings: 1. workbench; 2. support seat; 3. rotating support frame; 301. operating area; 4. support shaft; 5. transverse guide rail; 6. slider; 7. longitudinal guide rail; 8. pulley; 9. connecting plate; 10. first connecting rod; 11. second connecting rod; 12. motor; 13. cylinder; 14. clamping plate; 15. first support block; 16. second support block; 1401. first clamping sub-plate; 1402. second clamping sub-plate; 1401-1. mounting groove; 1401-2. first positioning hole; 1402-1. second positioning hole. DETAILED DESCRIPTION

[0022] Embodiment 1

[0023] like Figure 1-4 As shown, a rotatable automobile stamping parts welding fixture includes a workbench 1, the top surface of the workbench 1 is connected to four support seats 2, a rotating support frame 3 is arranged above the support seat 2, the cross-section of the rotating support frame 3 is an inverted U-shaped structure, four support shafts 4 are connected to the front and rear sides of the rotating support frame 3, the top surface of the support seat 2 is provided with an arc groove matching the support shaft 4, a rectangular operating area 301 is arranged on the rotating support frame 3, a cylinder 13 is symmetrically installed on the top surface of the rotating support frame 3 and on the left and right sides of the operating area 301, a clamping plate 14 is connected to the piston rod of the cylinder 13, the cross-section of the clamping plate 14 is L-shaped, and a rotating drive assembly is installed on the rear side of the rotating support frame 3.

[0024] The rotary drive assembly includes a transverse guide rail 5, a first support block 15 is connected to the top surface of the workbench 1, the transverse guide rail 5 is installed on the top surface of the first support block 15, a slider 6 is slidably connected to the transverse guide rail 5, a longitudinal guide rail 7 is connected to the front of the slider 6, a pulley 8 is installed on the longitudinal guide rail 7, a connecting plate 9 is connected to the rear side surface of the rotary support frame 3, the pulley 8 is installed on the connecting plate 9, a first connecting rod 10 is rotatably connected to the slider 6 through a rotating shaft, the other end of the first connecting rod 10 is hinged to the second connecting rod 11, the other end of the second connecting rod 11 is connected to the output shaft of the motor 12, the top surface of the workbench 1 is connected to the second support block 16, and the motor 12 is installed on the top surface of the second support block 16.

[0025] The working process of this embodiment is as follows:

[0026] Step 1, such as Figure 2 As shown, when the rotating support frame 3 is in a horizontal state, the four support shafts 4 are located in the arc grooves of the four support seats 2, the stamping part is placed on the clamping plate 14, and then the cylinder 13 is started, the cylinder 13 drives the clamping plate 14 to clamp the stamping part, and the upper part of the stamping part is welded;

[0027] Step 2, start the motor 12, the motor 12 works, drives the second connecting rod 11 to rotate, the second connecting rod 11 pushes the first connecting rod 10 to move to the left, the slider 6 slides to the left along the transverse guide rail 5, the pulley 8 moves upward along the longitudinal guide rail 7, and drives the rotating support frame 3 to flip counterclockwise through the connecting plate 9, and the support shaft 4 on the right side of the rotating support frame 3 is away from the support seat 2 on the right side, such as Figure 3 As shown, until the rotating support frame 3 flips to the left to a vertical state, the motor 12 is turned off, and the stamping part is in a vertical state at this time, and the bottom of the stamping part can be welded;

[0028] Step 3, start the motor 12 again, the motor 12 continues to work, driving the second connecting rod 11 to continue to rotate, the second connecting rod 11 pulls the first connecting rod 10 to move to the right, the slider 6 slides to the right along the transverse guide rail 5, the pulley 8 moves downward along the longitudinal guide rail 7, and drives the rotating support frame 3 to flip clockwise through the connecting plate 9 until the rotating support frame 3 returns to the horizontal state, the piston rod of the cylinder 13 contracts, driving the clamping plate 14 to move to both sides, and the stamping part is removed;

[0029] Step 4, referring to step 1, reinstall the new stamping part and weld the upper part of the stamping part;

[0030] Step five, start the motor 12, the motor 12 continues to work, driving the second connecting rod 11 to continue to rotate, the second connecting rod 11 pulls the first connecting rod 10 to move to the right, the slider 6 slides to the right along the transverse guide rail 5, the pulley 8 moves downward along the longitudinal guide rail 7, and drives the rotating support frame 3 to flip clockwise through the connecting plate 9 until the rotating support frame 3 flips to the right to a vertical state, turn off the motor 12, at this time the stamping part is in a vertical state, and the bottom of the stamping part can be welded, and then, referring to step three, start the motor 12 again until the rotating support frame 3 returns to a horizontal state, the piston rod of the cylinder 13 contracts, driving the clamping plate 14 to move to both sides, and the stamping part is removed.

[0031] Embodiment 2

[0032] This embodiment improves the structure of the clamping plate 14 on the basis of the first embodiment. Figure 5 , 6As shown, the clamping plate 14 includes a first clamping sub-plate 1401 and a second clamping sub-plate 1402. The top surface of the first clamping sub-plate 1401 is provided with a mounting groove 1401-1, the first clamping sub-plate 1401 is provided with a first positioning hole 1401-2, the second clamping sub-plate 1402 is provided with a plurality of second positioning holes 1402-1, the bottom of the second clamping sub-plate 1402 is inserted into the mounting groove 1401-1, one of the second positioning holes 1402-1 is aligned with the first positioning hole 1401-2 and then locked and positioned by bolts. In this embodiment, the clamping plate is composed of two parts, the second clamping sub-plate 1402 is detachably connected to the first clamping sub-plate 1401, the position of the second clamping sub-plate 1402 can be adjusted, and different stamping parts can be clamped, and the adaptability is strong.

[0033] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A rotatable automobile stamping parts welding fixture, characterized in that: The invention comprises a workbench (1), wherein a support seat (2) is arranged on the top surface of the workbench (1), a rotating support frame (3) is arranged above the support seat (2), a supporting shaft (4) matching the support seat (2) is arranged on the side of the rotating support frame (3), an operating area (301) is arranged on the rotating support frame (3), a cylinder (13) is symmetrically arranged on the top surface of the rotating support frame (3) and on the left and right sides of the operating area (301), a clamping plate (14) is arranged on the piston rod of the cylinder (13), and a rotating drive group (14) is arranged on the rear side of the rotating support frame (3). The rotary drive assembly comprises a transverse guide rail (5), a slider (6) is slidably arranged on the transverse guide rail (5), a longitudinal guide rail (7) is arranged in front of the slider (6), a pulley (8) is arranged on the longitudinal guide rail (7), a connecting plate (9) is arranged on the rear side of the rotary support frame (3), the pulley (8) is mounted on the connecting plate (9), a first connecting rod (10) is arranged on the slider (6), a second connecting rod (11) is arranged at the other end of the first connecting rod (10), and the other end of the second connecting rod (11) is connected to the output shaft of the motor (12).

2. The rotatable automobile stamping parts welding fixture according to claim 1 is characterized in that: The top surface of the support seat (2) is provided with an arc-shaped groove matching the support shaft (4).

3. The rotatable automobile stamping parts welding fixture according to claim 1 is characterized in that: The cross section of the rotating support frame (3) is arranged to be an inverted U-shape, the number of the supporting shafts (4) is arranged to be four, and the four supporting shafts (4) are arranged on the front and rear sides of the rotating support frame (3).

4. The rotatable automobile stamping parts welding fixture according to claim 3 is characterized in that: The number of the support seats (2) is set to four, and the positions of the four support seats (2) correspond to the positions of the four support shafts (4).

5. The rotatable automobile stamping parts welding fixture according to claim 1 is characterized in that: The bottom surface of the transverse guide rail (5) is provided with a first support block (15), and the bottom surface of the motor (12) is provided with a second support block (16).

6. The rotatable automobile stamping parts welding fixture according to claim 1 is characterized in that: The cross section of the clamping plate (14) is arranged to be L-shaped.

7. The rotatable automobile stamping parts welding fixture according to claim 1 is characterized in that: The clamping plate (14) comprises a first clamping sub-plate (1401) and a second clamping sub-plate (1402); the top surface of the first clamping sub-plate (1401) is provided with a mounting groove (1401-1); the first clamping sub-plate (1401) is provided with a first positioning hole (1401-2); the second clamping sub-plate (1402) is provided with a plurality of second positioning holes (1402-1); the bottom of the second clamping sub-plate (1402) is inserted into the mounting groove (1401-1); one of the second positioning holes (1402-1) is aligned with the first positioning hole (1401-2) and is locked in position by bolts.

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