Tool for automobile welding

Abstract

The utility model provides a tool for automobile welding, which relates to the field of automobile welding tools and comprises a support unit, the support unit comprises a support, support plates are arranged on both sides of the top of the support, an adjusting unit is arranged on one side of the support plate on the left side, and clamping units are arranged on the sides, close to each other, of the two support plates; a sheet metal part is placed at the bottom of the inner cavity of the connecting frame, the screw rotates to drive the clamping plate to move downwards, so that the clamping plate clamps and positions the sheet metal part downwards, the output shaft of the motor can drive the lower-end transmission wheel to rotate, and the lower-end transmission wheel is matched with the belt to drive the upper-end transmission wheel to rotate. The clamping unit, the sheet metal part and the torque sensor are driven to rotate through the transmission wheel, the rotation angle can be detected through the torque sensor, the torque sensor can transmit data to the PLC, a display screen on the surface of the PLC can display the rotation angle, and therefore welding angle adjustment of the sheet metal part is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of automobile welding tooling, in particular to a tooling for automobile welding. Background Art

[0002] In the process of automobile manufacturing or repair, welding tooling is used to facilitate the welding of automobile sheet metal parts. Automobile welding tooling is used to fix automobile sheet metal parts to ensure their correct position and posture during the welding process.

[0003] According to patent application No. 202222508962.0, a tool for automobile welding is disclosed, including a base, a turntable extending to the top of the base is arranged inside the base, two vertical plates are arranged on the top of the turntable, a driving assembly penetrating the base and fixedly connected to the turntable is arranged at the bottom of the base, a box body is arranged on the opposite sides of the two vertical plates, and a clamping assembly extending to the top of the box body is arranged inside the box body; the tool for automobile welding, by setting the clamping assembly, starts the servo motor to drive the threaded rod to rotate forward and reversely, adjusts the threaded block to drive the connecting block to move left and right, drives the rectangular plates and the right-angle clamping blocks on both sides to move relative to or away from each other, adjusts the spacing between the two right-angle clamping blocks according to the size of the automobile accessories, effectively fixes the automobile accessories, and realizes the purpose of facilitating the adjustment and fixation of automobile accessories of different sizes;

[0004] However, during the welding process of automobile sheet metal parts, both sides need to be welded, and the welding tooling in the prior art is difficult to adjust the angle of the accessories during the clamping and welding process of automobile accessories. As a result, the accessories need to be frequently removed, adjusted, and clamped again, which is time-consuming and labor-intensive, and reduces welding efficiency.

[0005] In summary, the utility model provides a tool for automobile welding to solve the above problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A tool for automobile welding, comprising a supporting unit, the supporting unit comprising a support, and supporting plates are arranged on both sides of the top of the support, an adjusting unit is arranged on one side of the left supporting plate, and a clamping unit is arranged on the side where the two supporting plates are close to each other, the adjusting unit comprises a transmission wheel, the number of the transmission wheels is two, and a belt is transmission-connected between the two transmission wheels, one side of the left supporting plate is fixedly connected to a motor, and the output shaft of the motor is transmission-connected to the transmission wheel at the lower end, and the left side of the transmission wheel at the upper end is fixedly connected to a torque sensor, the clamping unit comprises a connecting frame, the bottom of the inner cavity of the connecting frame is movably connected to a screw rod through a bearing, and the surface of the screw rod is threadedly connected to a clamping plate, the front of the support is fixedly connected to a PLC controller, and a display screen is arranged on the front of the PLC controller, the connecting frame on the left side is fixedly connected to the transmission wheel on the left side, and the connecting frame on the right side is movably connected to the supporting plate on the right side through a bearing.

[0008] Furthermore, in the utility model, an electric push rod is fixedly connected to the left side of the inner cavity of the support, a connecting block is fixedly connected to the output end of the electric push rod, and the top of the connecting block is fixedly connected to the support plate on the right side.

[0009] Furthermore, in the utility model, a through slot is provided on the top of the support, and the connecting block passes through the inner cavity of the through slot and is slidably connected with the inner cavity of the through slot.

[0010] Furthermore, in the present invention, the output end of the PLC controller is connected to the input end of the motor and the electric push rod respectively, and the output end of the torque sensor is connected to the input end of the PLC controller.

[0011] Furthermore, in the utility model, a limiting block is fixedly connected to one side of the splint, a limiting groove is opened on one side of the inner cavity of the connecting frame, and the limiting block extends from one end of the splint to the inner cavity of the limiting groove and is slidably connected to the inner cavity of the limiting groove.

[0012] Furthermore, in the utility model, the bottom of the clamping plate and the top of the inner cavity of the connecting frame are both fixedly connected with a cushion, and the side of the cushion away from the connecting frame and the clamping plate is in contact with the sheet metal part.

[0013] Beneficial effects: The utility model has the following beneficial effects:

[0014] The utility model can support the adjusting unit through the supporting unit, and the adjusting unit can support the clamping unit. The sheet metal part is placed at the bottom of the inner cavity of the connecting frame, and the rotation of the screw can drive the clamping plate to move downward, so that the clamping plate clamps and positions the sheet metal part downward. The output shaft of the motor can drive the lower end transmission wheel to rotate, and the lower end transmission wheel cooperates with the belt to drive the upper end transmission wheel to rotate, so that the clamping unit, the sheet metal part and the torque sensor are driven to rotate through the transmission wheel. The rotation angle can be detected by the torque sensor, and the torque sensor will transmit the data to the PLC controller. The display screen on the surface of the PLC controller can display the rotation angle, so as to realize the welding angle adjustment of the sheet metal part. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure of the connecting frame and the clamping plate of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the support of the utility model;

[0018] Figure 4 This utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0019] In the figure:

[0020] 1. Support unit; 11. Support; 111. Through slot; 12. Support plate; 13. Electric push rod; 14. Connecting block; 2. Adjusting unit; 21. Transmission wheel; 22. Motor; 23. Belt; 24. Torque sensor; 3. Clamping unit; 31. Connecting frame; 311. Limiting slot; 312. Cushion; 32. Clamping plate; 321. Limiting block; 33. Screw; 4. PLC controller. DETAILED DESCRIPTION

[0021] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0022] Example 1

[0023] like Figure 1-4 As shown, it is the first embodiment of the utility model, which provides a tool for automobile welding, including a support unit 1, the support unit 1 includes a support 11, and support plates 12 are arranged on both sides of the top of the support 11, an adjustment unit 2 is arranged on one side of the left support plate 12, and a clamping unit 3 is arranged on the side where the two support plates 12 are close to each other, the adjustment unit 2 includes a transmission wheel 21, the number of the transmission wheels 21 is two, and a belt 23 is connected between the two transmission wheels 21, and a motor 22 is fixedly connected to one side of the left support plate 12, and the motor The output shaft of 22 is in transmission connection with the lower transmission wheel 21, the left side of the upper transmission wheel 21 is fixedly connected with the torque sensor 24, the clamping unit 3 includes a connecting frame 31, the bottom of the inner cavity of the connecting frame 31 is movably connected with a screw rod 33 through a bearing, and the surface of the screw rod 33 is threadedly connected with a clamping plate 32, the front side of the support 11 is fixedly connected with a PLC controller 4, and a display screen is arranged on the front side of the PLC controller 4, the left side connecting frame 31 is fixedly connected with the left transmission wheel 21, and the right side connecting frame 31 is movably connected with the right side support plate 12 through a bearing.

[0024] like Figure 1-4 As shown, the support unit 1 can support the adjustment unit 2, and the adjustment unit 2 can support the clamping unit 3. The sheet metal is placed at the bottom of the inner cavity of the connecting frame 31, and the rotation of the screw 33 can drive the clamping plate 32 to move downward, so that the clamping plate 32 clamps and positions the sheet metal downward. The output shaft of the motor 22 can drive the lower end transmission wheel 21 to rotate, and the lower end transmission wheel 21 cooperates with the belt 23 to drive the upper end transmission wheel 21 to rotate, thereby driving the clamping unit 3, the sheet metal and the torque sensor 24 to rotate through the transmission wheel 21. The rotation angle can be detected by the torque sensor 24, and the torque sensor 24 will transmit the data to the PLC controller 4. The display screen on the surface of the PLC controller 4 can display the rotation angle, so as to realize the welding angle adjustment of the sheet metal.

[0025] Example 2

[0026] Reference Figure 3 and 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0027] In this embodiment, an electric push rod 13 is fixedly connected to the left side of the inner cavity of the support 11 , a connecting block 14 is fixedly connected to the output end of the electric push rod 13 , and the top of the connecting block 14 is fixedly connected to the right support plate 12 .

[0028] A through slot 111 is formed on the top of the support 11 , and the connecting block 14 passes through the inner cavity of the through slot 111 and is slidably connected with the inner cavity of the through slot 111 .

[0029] The output end of the PLC controller 4 is connected to the input end of the motor 22 and the electric push rod 13 respectively, and the output end of the torque sensor 24 is connected to the input end of the PLC controller 4 .

[0030] like Figure 3 and 4 As shown, the output end of the electric push rod 13 can drive the connecting block 14 to move to one side, and the connecting block 14 drives the right support plate 12 to move to one side, thereby adjusting the distance between the two support plates 12, and when the connecting block 14 moves, the connecting block 14 can move along the inner cavity trajectory of the through groove 111, thereby ensuring the stability of the connecting block 14 during movement.

[0031] Example 3

[0032] Reference Figure 2 , which is the third embodiment of the utility model, and this embodiment is based on the previous two embodiments.

[0033] In this embodiment, a limiting block 321 is fixedly connected to one side of the splint 32, and a limiting groove 311 is opened on one side of the inner cavity of the connecting frame 31. The limiting block 321 extends from one end of the splint 32 to the inner cavity of the limiting groove 311 and is slidably connected to the inner cavity of the limiting groove 311.

[0034] The bottom of the clamping plate 32 and the top of the inner cavity of the connecting frame 31 are both fixedly connected with a cushion 312 , and the side of the cushion 312 away from the connecting frame 31 and the clamping plate 32 is in contact with the sheet metal part.

[0035] like Figure 2 As shown, the soft pad 312 contacts the sheet metal part, so that the sheet metal part can be protected during the clamping and positioning process. At the same time, when the splint 32 moves, the splint 32 drives the limit block 321 to slide along the inner cavity of the limit groove 311, so as to limit the movement trajectory of the splint 32 and ensure the stability of the splint 32.

[0036] When in use, firstly, the electric push rod 13 is turned on through the PLC controller 4, and the output end of the electric push rod 13 can drive the connecting block 14 to move to one side, and the connecting block 14 drives the right support plate 12 to move to one side, so as to adjust the distance between the two support plates 12, so as to adapt to sheet metals of different sizes, and then place the sheet metal at the bottom of the inner cavity of the connecting frame 31, and then rotate the screw rod 33, and the screw 33 can drive the clamping plate 32 to move downward while rotating, so that the clamping plate 32 contacts the sheet metal downward, so as to realize the clamping and positioning of the sheet metal, and when one side of the sheet metal is welded, the motor 22 is turned on through the PLC controller 4. The output shaft of the motor 22 can drive the lower transmission wheel 21 to rotate, and the lower transmission wheel 21 cooperates with the belt 23 to drive the upper transmission wheel 21 to rotate, so that the clamping unit 3, the sheet metal and the torque sensor 24 are driven to rotate through the transmission wheel 21. The rotation angle can be detected by the torque sensor 24, and the torque sensor 24 will transmit the data to the PLC controller 4. The display screen on the surface of the PLC controller 4 can display the rotation angle, and then the personnel can check the rotation angle. When the rotation angle is turned to the desired angle, the motor 22 can be turned off through the PLC controller 4, so as to realize the welding angle adjustment of the sheet metal.

[0037] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0038] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A tool for automobile welding, comprising a support unit (1), characterized in that: The support unit (1) comprises a support (11), and support plates (12) are arranged on both sides of the top of the support (11), an adjustment unit (2) is arranged on one side of the left support plate (12), and a clamping unit (3) is arranged on the adjacent sides of the two support plates (12), and the adjustment unit (2) comprises a transmission wheel (21), the number of the transmission wheels (21) is two, and a belt (23) is connected between the two transmission wheels (21), and a motor (22) is fixedly connected to one side of the left support plate (12), and the output shaft of the motor (22) is connected to the transmission wheel (21) at the lower end. The left side of the transmission wheel (21) at the upper end is fixedly connected to a torque sensor (24), the clamping unit (3) comprises a connecting frame (31), the bottom of the inner cavity of the connecting frame (31) is movably connected to a screw rod (33) through a bearing, and the surface of the screw rod (33) is threadedly connected to a clamping plate (32), the front side of the support (11) is fixedly connected to a PLC controller (4), and a display screen is arranged on the front side of the PLC controller (4), the left side of the connecting frame (31) is fixedly connected to the transmission wheel (21) on the left side, and the right side of the connecting frame (31) is movably connected to the right side of the support plate (12) through a bearing.

2. The automobile welding tool as claimed in claim 1, characterized in that: An electric push rod (13) is fixedly connected to the left side of the inner cavity of the support (11), an output end of the electric push rod (13) is fixedly connected to a connecting block (14), and the top of the connecting block (14) is fixedly connected to the support plate (12) on the right side.

3. The automobile welding tool as claimed in claim 2, characterized in that: A through slot (111) is provided on the top of the support (11), and the connecting block (14) passes through the inner cavity of the through slot (111) and is slidably connected with the inner cavity of the through slot (111).

4. The automobile welding tool as claimed in claim 3, characterized in that: The output end of the PLC controller (4) is connected to the input end of the motor (22) and the electric push rod (13) respectively, and the output end of the torque sensor (24) is connected to the input end of the PLC controller (4).

5. The automobile welding tool as claimed in claim 1, characterized in that: A limiting block (321) is fixedly connected to one side of the clamping plate (32), a limiting groove (311) is provided on one side of the inner cavity of the connecting frame (31), and an end of the limiting block (321) away from the clamping plate (32) extends to the inner cavity of the limiting groove (311) and is slidably connected to the inner cavity of the limiting groove (311).

6. The automobile welding tool as claimed in claim 1, characterized in that: The bottom of the clamping plate (32) and the top of the inner cavity of the connecting frame (31) are both fixedly connected with a soft pad (312), and the side of the soft pad (312) away from the connecting frame (31) and the clamping plate (32) is in contact with the sheet metal part.

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