Multi-vehicle public vehicle body assembly welding jig moving trolley

Abstract

The utility model provides a multi-vehicle public vehicle body assembly welding jig moving trolley which comprises a sliding way device, a moving trolley device and a power motor. The output end of the power motor is connected with the output screw rod, a connecting rod is arranged at the bottom of the movable trolley device, the connecting rod is arranged on the output screw rod in a threaded mode, and the power motor drives the movable trolley device to reciprocate on the output screw rod through the connecting rod; the bottom of the connecting rod is slidably arranged on a slideway device which is installed on the ground. The welding jig has the advantages that the welding jig provided with the multi-vehicle public vehicle body assembly is clamped through the clamping assembly, the power motor drives the output rod to rotate, the connecting rod drives the movable trolley device to reciprocate along the output screw, production efficiency is high, and cost is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of transport trolleys, in particular to a mobile trolley for welding fixtures of common vehicle body assembly parts for multiple vehicles. Background Art

[0002] The common body assembly parts for multiple vehicles are transported to the workstation by the lifting and conveying roller bed. After they are in place, the body welding positioning fixture will position and clamp the body side, roof crossbeam and body main structure, and then the robot will position and weld the body with a positioning welding gun. After welding, the fixture will be opened and the body will be transported to the next workstation by the lifting and conveying roller bed.

[0003] Since the number of welding points in the body section is too large to be completed on one processing line, the body section generally contains multiple adjacent main lines. Main line 1 completes the welding of the body frame, main line 2 performs repair welding on the body frame and positioning welding and repair welding of the rear closing panel outer panel and load-bearing beam, and main line 3 completes the welding of the roof on the body; welding jigs equipped with common body assemblies for multiple vehicles need to be transported between multiple lines. In the existing technology, it is generally transported manually or transported by a separate robotic arm, but the efficiency is low or the cost is too high. Utility Model Content

[0004] In view of this, the utility model aims to provide a mobile trolley for welding jigs of common vehicle body assembly parts for multiple vehicles to solve the problems of low efficiency and high cost.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A mobile trolley for welding jigs of common vehicle body assembly parts for multiple vehicles, arranged on one side of two adjacent processing production lines, comprising a slide device, a mobile trolley device, and a power motor;

[0007] The output end of the power motor is connected to the output screw rod, and a connecting rod is provided at the bottom of the mobile trolley device. The connecting rod thread is arranged on the output screw rod, and the power motor drives the mobile trolley device to perform reciprocating motion on the output screw rod through the connecting rod;

[0008] The bottom of the connecting rod is slidably arranged on a slide device, and the slide device is installed on the ground.

[0009] Furthermore, the mobile trolley device includes a support rod, a bottom plate, a push cylinder, a mobile platform, a clamping assembly, and a guardrail assembly;

[0010] Four support rods are arranged below the bottom plate, and pulleys are arranged at the bottom of the support rods;

[0011] The mounting ends of several pushing cylinders are evenly arranged around the upper surface of the base plate, the output ends of the pushing cylinders are connected to the lower surface of the mobile platform, two clamping assemblies are arranged on the left and right sides of the mobile platform, and two guardrail assemblies are arranged on the front and rear sides of the mobile platform. The clamping assemblies clamp the welding jig equipped with multi-vehicle common body assembly parts.

[0012] Furthermore, a positioning block is provided in the middle of one side of the bottom plate. The present application is observed by the operator's eyes. When the positioning block moves to the side of the processing line that needs to be processed, the operator controls the power motor to stop. At this time, the clamping cylinder of the clamping assembly moves to the side away from the welding fixture. The mechanical arm of this processing line or manual operation moves the welding fixture equipped with multi-vehicle common body assembly parts to the processing line; the power motor is reversed, and the mobile trolley device returns to its original position.

[0013] Or the positioning block in the present application is provided with a proximity switch, the proximity switch is electrically connected to the controller, the controller adopts the existing PLC technology, and the power motor is electrically connected to the controller;

[0014] The clamping cylinder is connected to the controller. When the proximity switch detects that it has reached the position of the next processing production line, the power motor stops moving. At this time, the clamping cylinder moves to the side away from the welding fixture. The robotic arm or manual work of the processing production line moves the welding fixture equipped with multi-vehicle common body assembly parts to the processing production line.

[0015] Furthermore, the number of the pushing cylinders is at least 4, and the mounting ends of the pushing cylinders are arranged around the base plate.

[0016] Further, the clamping assembly includes an L-shaped clamping plate, a clamping cylinder, and a clamping plate;

[0017] The horizontal end of the L-shaped clamping plate is arranged on one side of the moving platform, the clamping cylinder is arranged on the vertical end of the L-shaped clamping plate, and the clamping plate is arranged on the output end of the clamping cylinder.

[0018] Furthermore, sliding grooves are provided on the horizontal end of the L-shaped clamping plate and the movable platform, the output end of the clamping cylinder is connected to the sliding rod, a movable block is provided on the sliding rod, and a sliding track corresponding to the sliding groove is provided at the bottom of the movable block.

[0019] Furthermore, the guardrail assembly includes guardrail rods and guardrail end plates. Several guardrail rods are evenly arranged on the mobile platform, and the guardrail end plates are arranged at the ends of the guardrail rods.

[0020] Furthermore, the slide device includes a slide plate, a connecting groove is provided on the slide plate, a connecting track corresponding to the connecting groove is provided at the bottom of the connecting rod, and the connecting rod can slide on the slide plate.

[0021] Furthermore, mounting plates are provided on both sides of the slide plate, a plurality of mounting holes are provided on the mounting plates, and the slide plate is set on the ground by bolts.

[0022] Compared with the prior art, the mobile trolley for welding jigs for common vehicle body assemblies described in the utility model has the following advantages:

[0023] 1. The present application drives a mobile trolley device to perform reciprocating motion through a power motor. The device is arranged on one side of two adjacent processing production lines. A welding fixture equipped with common body assemblies for multiple vehicles is clamped by a clamping assembly. The power motor drives the output rod to rotate, and the connecting rod drives the mobile trolley device to perform reciprocating motion along the output screw rod, which has high production efficiency and low cost.

[0024] 2. The present application can adjust the height of the mobile trolley by setting a pushing cylinder. The height of the mobile trolley is consistent with the height of the processing production line, which is convenient for the robot arm to carry it, or it can be lowered to a lower height to facilitate workers to carry it. In addition, setting multiple pushing cylinders can make the force more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0026] Figure 1 It is an overall schematic diagram of a mobile trolley for welding jigs of common vehicle body assemblies for multiple vehicles according to an embodiment of the utility model;

[0027] Figure 2 The present invention is a schematic diagram of a mobile trolley device for a welding jig mobile trolley for common vehicle body assemblies for multiple vehicles according to an embodiment of the present invention.

[0028] Description of reference numerals:

[0029] 1. Power motor; 2. Connecting rod; 3. Output screw; 4. Support rod; 5. Bottom plate; 6. Push cylinder; 7. Mobile platform; 8. Pulley; 9. Positioning block; 10. L-shaped clamp; 11. Clamping cylinder; 12. Clamping plate; 13. Sliding groove; 14. Sliding rod; 15. Movable block; 16. Guardrail rod; 17. Guardrail end plate; 18. Slide plate; 19. Connecting groove; 20. Mounting plate; 21. Mounting hole. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0032] like Figure 1 to Figure 2 As shown, a mobile trolley for welding jigs of common body assemblies for multiple vehicles is arranged on one side of two adjacent processing production lines, and includes a slide device, a mobile trolley device, and a power motor 1; the output end of the power motor 1 is connected to the output screw 3, and a connecting rod 2 is provided at the bottom of the mobile trolley device, and the connecting rod 2 is threadedly arranged on the output screw 3. The power motor 1 drives the mobile trolley device to reciprocate on the output screw 3 through the connecting rod 2; the bottom of the connecting rod 2 is slidably arranged on the slide device, and the slide device is installed on the ground.

[0033] The mobile trolley device includes a support rod 4, a base plate 5, a pushing cylinder 6, a mobile platform 7, a clamping assembly, and a guardrail assembly; four support rods 4 are arranged below the base plate 5, and a pulley 8 is provided at the bottom of the support rod 4; the mounting ends of a number of pushing cylinders 6 are evenly arranged around the upper surface of the base plate 5, and the output end of the pushing cylinder 6 is connected to the lower surface of the mobile platform 7, two clamping assemblies are arranged on the left and right sides of the mobile platform 7, and two guardrail assemblies are arranged on the front and rear sides of the mobile platform 7. The clamping assembly clamps the welding jig equipped with multi-vehicle common body assembly parts.

[0034] A positioning block 9 is provided in the middle of one side of the bottom plate 5. The number of the pushing cylinders 6 is at least 4, and the mounting ends of the pushing cylinders 6 are arranged around the bottom plate 5.

[0035] The clamping assembly includes an L-shaped clamping plate 10, a clamping cylinder 11, and a clamping plate 12; the horizontal end of the L-shaped clamping plate 10 is arranged on one side of the mobile platform 7, the clamping cylinder 11 is arranged on the vertical end of the L-shaped clamping plate 10, and the clamping plate 12 is arranged at the output end of the clamping cylinder 11. A sliding groove 13 is arranged on the horizontal end of the L-shaped clamping plate 10 and the mobile platform 7, the output end of the clamping cylinder 11 is connected to a sliding rod 14, a movable block 15 is arranged on the sliding rod 14, and a sliding track corresponding to the sliding groove 13 is arranged at the bottom of the movable block 15. The guardrail assembly includes a guardrail rod 16 and a guardrail end plate 17, a plurality of guardrail rods 16 are evenly arranged on the mobile platform 7, and the guardrail end plate 17 is arranged at the end of the guardrail rod 16.

[0036] The slide device includes a slide plate 18, a connecting groove 19 is provided on the slide plate 18, a connecting track corresponding to the connecting groove 19 is provided at the bottom of the connecting rod 2, and the connecting rod 2 can slide on the slide plate. Both sides of the slide plate 18 are provided with mounting plates 20, and the mounting plates 20 are provided with a plurality of mounting holes 21. The sliding plate is set on the ground by bolts.

[0037] In the specific implementation, the pushing cylinder 6 is pushed to the same height as one side of the processing production line to facilitate the grabbing of the robot arm, or lowered to a lower height to facilitate the workers to carry it up, and the welding jig equipped with multi-vehicle common body assembly parts is placed on the mobile platform 7, and the clamping cylinder 11 of the clamping assembly is clamped. At this time, the power motor 1 drives the output screw 3 to rotate, and the mobile trolley device moves to another production line. The present application is observed through the eyes of the operator. When the positioning block 9 moves to the side of the processing production line that needs to be processed, the operator controls the power motor 1 to stop. At this time, the clamping cylinder 11 of the clamping assembly moves to the side away from the welding jig, and the robot arm or manual of this processing production line moves the welding jig equipped with multi-vehicle common body assembly parts to the processing production line; the power motor 1 is reversed, and the mobile trolley device returns to its original position.

[0038] Or the positioning block 9 in the present application is provided with a proximity switch, the proximity switch is electrically connected to the controller, the controller adopts the existing PLC technology, and the power motor 1 is electrically connected to the controller; the model of the proximity switch is E3F-DS30.

[0039] The clamping cylinder 11 is connected to the controller. When the proximity switch detects that the position of the next processing production line has been reached, the power motor 1 stops moving. At this time, the clamping cylinder 11 moves to the side away from the welding fixture. The robotic arm or manual operation of the processing production line moves the welding fixture equipped with multi-vehicle common body assembly parts to the processing production line. The power motor 1 reverses and the mobile trolley device returns to its original position.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mobile trolley for welding jigs of common vehicle body assemblies, characterized in that: It includes a slide device, a mobile trolley device, and a power motor; The output end of the power motor is connected to the output screw rod, and a connecting rod is provided at the bottom of the mobile trolley device. The connecting rod thread is arranged on the output screw rod, and the power motor drives the mobile trolley device to perform reciprocating motion on the output screw rod through the connecting rod; The bottom of the connecting rod is slidably arranged on a slide device, and the slide device is installed on the ground.

2. A mobile trolley for welding jigs for common vehicle body assembly parts for multiple vehicles according to claim 1, characterized in that: The mobile trolley device includes a support rod, a bottom plate, a push cylinder, a mobile platform, a clamping assembly, and a guardrail assembly; Four support rods are arranged below the bottom plate, and pulleys are arranged at the bottom of the support rods; The mounting ends of several push cylinders are evenly arranged around the upper surface of the base plate, the output ends of the push cylinders are connected to the lower surface of the mobile platform, two clamping assemblies are arranged on the left and right sides of the mobile platform, and two guardrail assemblies are arranged on the front and rear sides of the mobile platform.

3. The mobile trolley for welding jigs for common vehicle body assembly parts for multiple vehicles according to claim 1, characterized in that: A positioning block is arranged in the middle of one side of the bottom plate.

4. The mobile trolley for welding jigs for common vehicle body assembly parts for multiple vehicles according to claim 2, characterized in that: The number of the pushing cylinders is at least 4, and the mounting ends of the pushing cylinders are arranged around the base plate.

5. The mobile trolley for welding jigs for common vehicle body assembly parts for multiple vehicles according to claim 1, characterized in that: The clamping assembly includes an L-shaped clamping plate, a clamping cylinder, and a clamping plate; The horizontal end of the L-shaped clamping plate is arranged on one side of the moving platform, the clamping cylinder is arranged on the vertical end of the L-shaped clamping plate, and the clamping plate is arranged on the output end of the clamping cylinder.

6. The mobile trolley for welding jigs for common vehicle body assembly parts for multiple vehicles according to claim 5, characterized in that: The horizontal end of the L-shaped clamping plate and the moving platform are both provided with sliding grooves, the output end of the clamping cylinder is connected to the sliding rod, a movable block is provided on the sliding rod, and a sliding track corresponding to the sliding groove is provided at the bottom of the movable block.

7. The mobile trolley for welding jigs for common vehicle body assembly parts for multiple vehicles according to claim 5, characterized in that: The guardrail assembly comprises guardrail rods and guardrail end plates. A plurality of guardrail rods are evenly arranged on a mobile platform, and the guardrail end plates are arranged at the ends of the guardrail rods.

8. The mobile trolley for welding jigs for common vehicle body assembly parts for multiple vehicles according to claim 1, characterized in that: The slide device comprises a slide plate, a connecting groove is arranged on the slide plate, a connecting track corresponding to the connecting groove is arranged at the bottom of a connecting rod, and the connecting rod can slide on the slide plate.

9. The mobile trolley for welding jigs for common vehicle body assembly parts for multiple vehicles according to claim 1, characterized in that: Mounting plates are provided on both sides of the slideway plate, a plurality of mounting holes are provided on the mounting plates, and the slide plate is arranged on the ground by bolts.

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