Welding positioning tool for electric vehicle frame machining

Abstract

The welding positioning tool for electric vehicle frame machining comprises a base, a supporting frame is arranged at the position, close to the edge of one end, of the top of the base, a rotating rod is arranged in a through hole formed in the middle position of the top of the base, and a workbench is arranged at the top of one end of the rotating rod; the movable blocks are arranged in the four openings formed in the workbench, the clamping plates are installed on the tops of the movable blocks, the rotating structures are connected to the bottoms of the movable blocks, and the two electric telescopic rods are driven to drive the movable blocks to move oppositely along the sliding grooves formed in the side walls of the four openings at the same time; the electric vehicle frame is clamped and fixed through the clamping plate arranged at the top, then the electric vehicle frames of different sizes can be fixed, meanwhile, the rotating assembly arranged at the bottom of the base is driven to drive the workbench to intermittently rotate to adjust the angle, and the welding mechanical arm arranged on the supporting frame can weld the electric vehicle frame at any angle; and the welding quality is improved.

Description

Technical Field

[0001] The present application relates to the technical field of electric vehicle processing, and in particular to a welding positioning tool for processing an electric vehicle frame. Background Art

[0002] Electric vehicles, that is, electric-driven vehicles, also known as electric-drive vehicles, are divided into AC electric vehicles and DC electric vehicles. Electric vehicles usually refer to vehicles that use batteries as energy sources and convert electrical energy into mechanical energy through controllers, motors and other components to control the current size to change the speed of the vehicle. The frame is the main supporting skeleton of the electric vehicle.

[0003] Existing electric vehicle frames are usually welded and assembled on a workbench, but the existing welding positioning tooling is only for clamping a single electric vehicle frame and cannot clamp and fix electric vehicle frames of different models. After clamping and fixing, the angle of the electric vehicle frame cannot be adjusted, resulting in the welding robot arm being unable to weld at any angle, thereby reducing welding efficiency. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides a welding positioning tool for processing an electric vehicle frame.

[0005] The present application provides a welding positioning tool for electric vehicle frame processing, which adopts the following technical solution:

[0006] A welding positioning tool for processing an electric vehicle frame comprises a base, a support frame is arranged on the top of the base near one end edge, a lifting structure for driving a welding robot arm to move up and down is arranged in a groove opened in the side wall of the support frame, the lifting structure comprises a screw rod, one end of the screw rod is connected to a bearing seat arranged at the bottom of the groove, the other end of the screw rod passes through the groove and is connected to a first motor arranged on the top of the support frame, a rotating rod is arranged in a through hole opened at the middle position of the top of the base, and a workbench is arranged on the top of one end of the rotating rod.

[0007] Preferably, the workbench is provided with four openings, movable blocks are slidably installed inside the four openings, symmetrical protrusions are provided on both sides of the movable blocks, and the protrusions are slidably installed in sliding grooves provided on the two side walls of the openings.

[0008] Preferably, a clamping plate is provided on the top of the movable block, a convex rod is provided on the bottom of the movable block, and one end of the convex rod is connected to a rotating structure that drives the movable block to slide along the slide groove.

[0009] Preferably, the rotating structure includes four L-shaped movable rods, one end of the four L-shaped movable rods is connected to the protruding rods set at the bottom of the movable block, the other end of the L-shaped movable rod is connected to the protruding rods set at the bottom of the movable plate, and the movable plate is rotatably mounted on the outer wall of the rotating rod.

[0010] Preferably, two fixed blocks are provided at the bottom of the two movable blocks near the edge of the protruding rod, shaft rods are provided at both ends of the two fixed blocks, and an electric telescopic rod is fixedly installed between the shaft rods provided at the same end of the fixed blocks.

[0011] Preferably, the other end of the rotating rod passes through a through hole opened on the top of the base and is connected to a rotating assembly that drives the workbench to rotate intermittently. The rotating assembly includes a second motor, and the second motor is fixedly mounted on a U-shaped fixing seat set at the bottom of the base. A rotating disk is set at the output end of the second motor.

[0012] Preferably, a round pin is provided at the top of the rotating disk near the edge, and the round pin is matched with a groove wheel provided at the bottom of one end of the rotating rod.

[0013] Preferably, four connecting rods are further provided at the bottom of the workbench, and pulleys are provided at the bottom of the four connecting rods, and the pulleys are slidably installed in the slide rails provided at the top of the base.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] 1. The utility model has movable blocks arranged inside the four openings opened on the workbench, and a clamping plate is installed on the top of the movable block, which drives the rotating structure connected to the bottom of the movable block. The movable block is driven by the rotating structure to slide toward the middle along the slide grooves opened on the side walls of the four openings at the same time, thereby driving the clamping plate arranged on the top to move toward the middle at the same time to clamp and fix the electric vehicle frame, thereby fixing electric vehicle frames of different sizes, thereby improving practicality;

[0016] 2. The utility model arranges a rotating assembly inside a U-shaped fixed seat arranged at the bottom of the base, and drives the second motor to drive the rotating disk to rotate, so that the round pin arranged on the top of the rotating disk and the groove wheel arranged at the bottom of one end of the rotating rod intermittently engage and rotate, so that the workbench arranged on the top of the rotating rod intermittently rotates to adjust the angle, thereby adjusting the angle of the clamped and fixed electric vehicle frame, thereby improving the accuracy of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a welding positioning tool for processing an electric vehicle frame in an embodiment of the present application;

[0018] Figure 2This is a schematic diagram of the bottom structure of a workbench of a welding positioning tool for processing an electric vehicle frame in an embodiment of the present application;

[0019] Figure 3 It is a cross-sectional view of the bottom structure of a base of a welding positioning tool for processing an electric vehicle frame in an embodiment of the present application;

[0020] Figure 4 It is an enlarged view of the structure at location A of a welding positioning tool for processing an electric vehicle frame in an embodiment of the present application.

[0021] Explanation of the accompanying drawings: 1. base; 2. support frame; 3. welding robot arm; 4. screw; 5. first motor; 6. rotating rod; 7. workbench; 8. movable block; 9. slide groove; 10. clamping plate; 11. L-shaped movable rod; 12. movable plate; 13. fixed block; 14. electric telescopic rod; 15. second motor; 16. U-shaped fixed seat; 17. rotating disk; 18. round pin; 19. groove wheel; 20. pulley; 21. slide rail. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1 —4 Provide further details of this application.

[0023] The embodiment of the present application discloses a welding positioning tool for processing an electric vehicle frame, comprising a base 1, a support frame 2 is arranged on the top of the base 1 near one end edge, a lifting structure for driving a welding robot arm 3 to move up and down is arranged in a groove opened on the side wall of the support frame 2, the lifting structure comprises a screw rod 4, one end of the screw rod 4 is connected to a bearing seat arranged at the bottom of the groove, the other end of the screw rod 4 passes through the groove and is connected to a first motor 5 arranged on the top of the support frame 2, a rotating rod 6 is arranged in a through hole opened at the middle position of the top of the base 1, and a workbench 7 is arranged on the top of one end of the rotating rod 6.

[0024] refer to Figure 1 and Figure 2, four openings are provided on the workbench 7, and movable blocks 8 are slidably installed inside the four openings. Symmetrical protrusions are provided on both sides of the movable block 8, and the protrusions are slidably installed in the slide grooves 9 opened on the two side walls of the opening. A clamping plate 10 is provided on the top of the movable block 8, and a convex rod is provided at the bottom of the movable block 8. One end of the convex rod is connected to a rotating structure that drives the movable block 8 to slide along the slide groove 9. The rotating structure includes four L-shaped movable rods 11, one end of the four L-shaped movable rods 11 is connected to the convex rod provided at the bottom of the movable block 8, and the other end of the L-shaped movable rod 11 is connected to the convex rod provided at the bottom of the movable plate 12. The movable plate 12 is rotatably installed on the outer wall of the rotating rod 6, and two fixed blocks 13 are provided at the bottom of the two movable blocks 8 near the edge of the convex rod. The two ends of the two fixed blocks 13 are provided with shaft rods, and the same end of the fixed blocks 13 is provided with An electric telescopic rod 14 is also fixedly installed between the shaft rods. To be more specific, when the electric vehicle frame is fixed, the two electric telescopic rods 14 fixed between the shaft rods at both ends of the two fixed blocks 13 are driven to drive the two movable blocks 8 connected at the top to slide toward each other along the slide grooves 9 opened on two of the open side walls opened on the workbench 7, and the two L-shaped movable rods 11 connected to the bottom of the two movable blocks 8 drive the movable plate 12 connected at the other end to rotate along the rotating rod 6, so that the other two L-shaped movable rods 11 connected to the bottom of the movable plate 12 drive the two movable blocks 8 connected at the other end to slide toward each other along the slide grooves 9 opened on the other two open side walls opened on the workbench 7, so that the four movable blocks 8 move at the same time to drive the clamping plate 10 to clamp and fix the electric vehicle frame, so that electric vehicle frames of different sizes can be fixed, thereby improving practicality.

[0025] refer to Figure 3 and Figure 4 The other end of the rotating rod 6 passes through the through hole opened at the top of the base 1, and is connected to a rotating assembly that drives the workbench 7 to rotate intermittently. The rotating assembly includes a second motor 15, and the second motor 15 is fixedly mounted on a U-shaped fixing seat 16 set at the bottom of the base 1. A rotating disk 17 is set at the output end of the second motor 15. A round pin 18 is set at the top of the rotating disk 17 near the edge. The round pin 18 is adapted to a groove wheel 19 set at the bottom of one end of the rotating rod 6. Four connecting rods are also set at the bottom of the workbench 7, and pulleys 20 are set at the bottom of the four connecting rods. The pulley 20 is slidably installed in the slide rail 21 set on the top of the base 1. More specifically, when the angle of the electric vehicle frame is adjusted, the second motor 15 is driven to drive the rotating disk 17 set at the output end to rotate, so that the round pin 18 set on the top of the rotating disk 17 and the groove wheel 19 set on the outer wall of the rotating rod 6 intermittently engage and rotate, so that the rotating rod 6 rotates and drives the workbench 7 to rotate and adjust the angle along the slide rail 21 set on the top of the base 1 through the four pulleys 20 set at the bottom, thereby adjusting the angle of the electric vehicle frame to improve the accuracy of welding.

[0026] The implementation principle of the welding positioning tool for processing an electric vehicle frame in the embodiment of the present application is as follows: when in use, the electric vehicle frame is placed on the top of the workbench 7, and the two electric telescopic rods 14 are driven to drive the two movable blocks 8 to slide toward each other along the two slide grooves 9 opened at the opening of the workbench 7, and the two L-shaped movable rods 11 arranged at the bottom of the two movable blocks 8 drive the movable plate 12 to rotate along the rotating rod 6, so that the other two L-shaped movable rods 11 connected at the bottom drive the other two movable blocks 8 to move toward each other along the two slide grooves 9, so that the four movable blocks 8 move at the same time and drive the four clamping plates 10 to move toward each other. The frame of the electric vehicle is clamped and fixed, and thus frames of electric vehicles of different sizes can be clamped, thereby improving practicality. When the angle of the frame of the electric vehicle is adjusted, the second motor 15 is driven to drive the round pin 18 arranged on the top of the rotating disk 17 to intermittently engage and rotate with the groove wheel 19 arranged on the outer wall of the rotating rod 6, so that the rotating rod 6 rotates and drives the workbench 7 to rotate and adjust the angle along the slide rail 21 arranged on the top of the base 1 through the four pulleys 20 arranged at the bottom, thereby adjusting the angle of the electric vehicle frame, so that the welding robot arm 3 can weld any angle of the electric vehicle frame, thereby improving the accuracy of welding.

[0027] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A welding positioning tool for processing an electric vehicle frame, comprising a base (1), a support frame (2) being arranged at the top of the base (1) near one end edge, a lifting structure for driving a welding mechanical arm (3) to move up and down being arranged in a groove provided in a side wall of the support frame (2), and characterized in that: The lifting structure comprises a screw rod (4), one end of which is connected to a bearing seat arranged at the bottom of the groove, the other end of which passes through the groove and is connected to a first motor (5) arranged at the top of the support frame (2), a rotating rod (6) is arranged in a through hole opened at a middle position on the top of the base (1), and a workbench (7) is arranged on the top of one end of the rotating rod (6); The workbench (7) is provided with four openings, and movable blocks (8) are slidably installed inside the four openings. Symmetrical protrusions are provided on both sides of the movable blocks (8), and the protrusions are slidably installed in sliding grooves (9) provided on the two side walls of the openings; A clamping plate (10) is provided on the top of the movable block (8), a protruding rod is provided on the bottom of the movable block (8), and one end of the protruding rod is connected to a rotating structure that drives the movable block (8) to slide along the slide groove (9); The rotating structure comprises four L-shaped movable rods (11), one end of the four L-shaped movable rods (11) is connected to a protruding rod provided at the bottom of the movable block (8), and the other end of the L-shaped movable rod (11) is connected to a protruding rod provided at the bottom of a movable plate (12), and the movable plate (12) is rotatably mounted on the outer wall of the rotating rod (6); Two fixed blocks (13) are arranged at the bottom of the two movable blocks (8) near the edge of the protruding rod, shaft rods are arranged at both ends of the two fixed blocks (13), and an electric telescopic rod (14) is fixedly installed between the shaft rods arranged at the same end of the fixed blocks (13).

2. The welding positioning tool for processing an electric vehicle frame according to claim 1, characterized in that: The other end of the rotating rod (6) passes through a through hole formed in the top of the base (1) and is connected to a rotating assembly that drives the workbench (7) to rotate intermittently, the rotating assembly comprising a second motor (15), the second motor (15) being fixedly mounted on a U-shaped fixing seat (16) provided at the bottom of the base (1), and a rotating disk (17) being provided at the output end of the second motor (15).

3. The welding positioning tool for processing an electric vehicle frame according to claim 2, characterized in that: A round pin (18) is provided at the top of the rotating disk (17) near the edge, and the round pin (18) is adapted to fit a groove wheel (19) provided at the bottom of one end of the rotating rod (6).

4. The welding positioning tool for processing an electric vehicle frame according to claim 1, characterized in that: Four connecting rods are also provided at the bottom of the workbench (7), and pulleys (20) are provided at the bottom of the four connecting rods. The pulleys (20) are slidably mounted in a slide rail (21) provided at the top of the base (1).

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