Positioning device for welding of electric energy metering box

Abstract

The invention discloses a positioning device for welding of an electric energy metering box. The positioning device comprises a workbench and welding equipment. The rotating seat is arranged on the workbench; the clamping mechanism is arranged on the rotating seat; the driving mechanism is used for controlling the rotating seat to rotate; the clamping framework comprises two clamping plates arranged on the rotating base in a relative sliding mode, a lifting assembly used for lifting the box body, a power assembly used for achieving relative sliding of the two clamping plates and an overturning assembly used for achieving overturning of the box body. The electric energy metering box welding device has the effect of welding the electric energy metering box in multiple directions, and the electric energy metering box can be automatically overturned in the welding process.

Description

Technical Field

[0001] The present application relates to the technical field of meter box welding, and in particular to a positioning device for welding an electric energy meter box. Background Art

[0002] At present, the electricity meter box is a box used to install electricity metering devices such as electricity meters. The electricity meter box is mainly used in the medium and low voltage fields. In addition, the electricity meter box is made of metal. During the production process of the electricity meter box, various components need to be welded, including the box frame welding, such as the four corner joints, as well as the welding of the bottom plate and the top cover.

[0003] At present, in the process of welding the meter box, a rotating device is used, so that the meter box can be welded in all directions. However, in the process of welding the bottom plate and the top cover of the meter box, manual flipping is still required, which has the disadvantage of inconvenience in welding. Summary of the Invention

[0004] In order to improve the above technical problems, the present application provides a positioning device for welding an electric energy meter box.

[0005] The present application provides a positioning device for welding an electric energy meter box, which adopts the following technical solution: A positioning device for welding an electric energy meter box, comprising a workbench and welding equipment; It also includes a rotating base provided on the workbench, a clamping mechanism provided on the rotating base, and a driving mechanism for controlling the rotation of the rotating base; The clamping structure includes two clamping plates that are relatively slidably arranged on the rotating seat, a lifting component for lifting the box body, a power component for realizing relative sliding of the two clamping plates, and a flipping component for realizing flipping of the box body.

[0006] Optionally, the clamping plate includes a base plate and a support plate that is lifted and lowered in the base plate, the lifting assembly includes two electric push rods, the electric push rods are arranged in the base plate, the output ends of the electric push rods abut against the bottom of the support plate, a limiting groove is provided on the side wall of the inner cavity of the base plate, a limiting block is fixedly connected to the side wall of the support plate, the limiting block slides in the limiting groove, and both ends of the limiting groove are closed.

[0007] Optionally, the flipping assembly includes a rotating column fixedly arranged on the support plate, a connecting part for adsorbing the box, a rotating part for controlling the rotation of the box, and a control part for applying power to the flipping of the box. The support plate is provided with a fixing hole, the rotating column is fixedly arranged in the rotating hole, the end of the rotating column is located in the rotating hole, the connecting part adsorbs the box and extends out of the rotating column when the box rotates.

[0008] Optionally, the connecting part includes a connecting column that is slidably arranged in the rotating column and an adsorption member for adsorbing the box body. A connecting hole is provided in the rotating column, and the connecting column is slidably adapted in the connecting hole. The adsorption member is provided at the end of the connecting column and is in contact with the box body in the initial state.

[0009] Optionally, the power assembly includes a power motor, two sliders, a sliding rod and a double-headed threaded rod. The rotating seat is provided with an operating chamber. The power motor is arranged in the operating chamber and is used to control the rotation of the double-headed threaded rod. The sliding rod and the double-headed threaded rod are arranged in parallel and are both installed in the operating chamber. The slider is sleeved and slid outside the sliding rod. The two sliders are respectively screwed together at the two sections of the thread of the double-headed threaded rod. The two sliders are respectively fixedly connected to the two base plates.

[0010] Optionally, the rotating part includes a rotating block, a slide groove, a rotating groove and a return group, the rotating block is fixed to the outer wall of the connecting column, the slide groove is arranged on the inner wall of the rotating column, the rotating block slides and fits in the slide groove, the rotating groove is arranged in an arc shape and is arranged on the inner wall of the rotating column, the two ends of the slide groove are closed, the rotating groove is opened at one end of the slide groove close to the box body, the other end of the rotating groove is closed, and the rotating groove is arranged as a semicircular arc.

[0011] Optionally, the recovery group includes an elastic member, and the rotating column is provided with a recovery groove at the corresponding end of the rotating groove. One end of the elastic member is fixed to the inner wall of the end of the recovery groove, and the other end is movably provided at the connection between the rotating groove and the sliding groove. After the box body rotates 180°, the elastic member is completely squeezed into the recovery groove.

[0012] Optionally, the control part includes a control frame, a control rod, a torsion spring, a traction group for pulling the control rod, and a weighting group for weighting the control rod. The control frame is located above the box body, one end of the control rod is hinged to the control frame, and the other end of the control rod impacts the box body during movement. The torsion spring is used to connect the control rod and the control frame.

[0013] Optionally, the traction group includes a traction motor, a traction roller, an electromagnet and a traction rope, the traction motor is arranged on the control frame shown, the traction roller is rotatably arranged on the control frame, the rotation axis direction of the traction roller is arranged parallel to the rotation axis direction of the control rod, the electromagnet is used to connect the traction motor and the traction roller, the traction roller is wound on the traction roller and the other end of the traction rope is connected to the movable end of the traction rope.

[0014] Optionally, the weighting part includes a water tank, a water pump, a water pipe and a salt adding group arranged on the rotating seat, one end of the water pipe is connected to the water pump, and the other end of the water pipe is connected to the inner cavity of the control rod, and the salt adding group is arranged in the water tank.

[0015] In summary, this application includes at least one of the following beneficial technical effects: 1. The two clamping plates move relative to each other and clamp the side walls of the box. After the top cover or bottom plate of the box is welded, it is important to note that the welding equipment is located on one side of the box. Multiple sides of the box can be welded simply by rotating the box. The lifting assembly lifts the box to provide sufficient space for flipping, and the flip assembly is then used to flip the box. 2. The power motor controls the rotation of the double-headed threaded rod, and the sliding rod limits the rotation of the slider. The slider can only slide along the length of the sliding rod. The two sliders are fixedly connected to the two bottom plates respectively. The two bottom plates start to move towards each other, and then clamp the box under the clamping action of the two bottom plates; when the box needs to be lifted, the adsorption parts on the two support plates start to adsorb the side walls of the box. As the support plates move upward, the support plates drive the box upward and pull the box to a rotatable position. As the power motor reverses, the two sliders drive the corresponding rotating columns to move away from the box. Since the adsorption parts adsorb the box, the connecting column is pulled out of the rotating column; 3. When the rotating block slides in the slide groove, the rotation between the connecting column and the rotating column is restricted. As the bottom plate and the support plate rotate away from the box, the connecting column and the rotating column also undergo relative movement. Specifically, the connecting column gradually moves toward the outside of the rotating column, and the rotating block moves along the slide groove until it reaches the end of the slide groove, that is, the rotating block moves to the opening of the rotating groove. At this time, the connecting column and the box can rotate in the rotating column following the connecting column. Under the control of the torsion spring, the control rod is exerted with a force to swing toward the box, and the control rod converts its gravitational potential energy into kinetic energy. At this time, the electromagnet releases the traction roller, and the traction rope on the traction roller is continuously pulled out, and the rotating block rotates in the rotating groove. Since the box only needs to be flipped 180° in the embodiment of the present application, the rotating groove is set to a semicircular arc. When the rotating block rotates to the closed end of the rotating groove, the box just flips one circle. Here, it is set that the force applied to the box can push the box to flip at an angle greater than 180°, but due to the closed end restriction of the rotating block, the box can only be flipped 180°. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 is a schematic cross-sectional view of an embodiment of the present application; Figure 3is a schematic diagram of the support plate, the rotating portion, and the connecting portion in an embodiment of the present application; Figure 4 It is a schematic diagram of the rotating part in the embodiment of the present application.

[0017] Figure markings: 1. workbench; 2. rotating seat; 3. clamping plate; 4. bottom plate; 5. support plate; 6. electric push rod; 7. limiting block; 8. limiting groove; 9. rotating column; 10. fixing hole; 11. connecting column; 12. adsorption part; 13. connecting hole; 14. power motor; 15. slider; 16. slide rod; 17. double-headed threaded rod; 18. operating chamber; 19. rotating block; 20. slide groove; 21. rotating groove; 22. elastic part; 23. return groove; 24. control frame; 25. control rod; 26. torsion spring; 27. traction motor; 28. traction roller; 29. ​​electromagnet; 30. traction rope; 31. water tank; 32. water pipe; 33. storage tank. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-4 This application is described in further detail.

[0019] The embodiment of the present application discloses a positioning device for welding an electric energy meter box. Figure 1-Figure 4 A positioning device for welding an electric energy meter box includes a workbench 1 and a welding device; it also includes a rotating base 2 arranged on the workbench 1, a clamping mechanism arranged on the rotating base 2, and a driving mechanism for controlling the rotation of the rotating base 2; the driving mechanism includes a driving motor and a reducer, which can control the rotation of the rotating base 2, and the welding equipment adopts an arc welding device, which can perform rotation welding on the box body. The clamping mechanism is used to clamp the box body. In this embodiment, the box body frame is mainly welded to the top cover and the bottom plate 4, so it is necessary to flip the box body and weld the top and bottom.

[0020] The clamping structure includes two clamping plates 3 that are relatively slidably arranged on the rotating seat 2, a lifting assembly for lifting the box, a power assembly for realizing the relative sliding of the two clamping plates 3, and a flipping assembly for realizing the flipping of the box. The two clamping plates 3 move relative to each other and clamp the side walls of the box. When the top cover or bottom plate 4 of the box is welded, it should be emphasized here that the welding equipment is located on one side of the box. It is only necessary to rotate the box to weld multiple sides of the box. After the box is lifted by the lifting assembly, sufficient space can be provided for the flipping of the box, and the box is flipped using the flipping assembly.

[0021] When the lifting plate 4 is lifted up, the lifting mechanism 5 of the lifting plate 4 is lifted and the support plate 5 is lifted and lowered.

[0022] The flipping assembly includes a rotating column 9 fixedly set on the support plate 5, a connecting part for adsorbing the box, a rotating part for controlling the rotation of the box, and a control part for applying power to the flipping of the box. The support plate 5 is provided with a fixing hole 10, and the rotating column 9 is fixedly set in the rotating hole. The end of the rotating column 9 is located in the rotating hole. The connecting part adsorbs the box and extends out of the rotating column 9 when the box rotates. The rotating column 9 is horizontally arranged and the length of the rotating column 9 is equal to the depth of the fixing hole 10. The connecting part is used to realize the connection between the support plate 5 and the box, and the rotating part is used to realize the rotation effect between the rotating column 9 and the connecting part, so that the box can rotate with the rotating part. Since the box is in a vertical state in the initial state, the control part needs to apply power to the box to make it flip, so as to realize the flipping of the box.

[0023] The connecting portion includes a connecting column 11 that is slidably arranged in the rotating column 9 and an adsorption member 12 for adsorbing the box body. A connecting hole 13 is provided in the rotating column 9. The connecting column 11 is slidably adapted in the connecting hole 13. The adsorption member 12 is provided at the end of the connecting column 11 and contacts the box body in the initial state. The connecting column 11 is also horizontally arranged. The adsorption member 12 can be selected from an electromagnet 29 or a vacuum suction cup in this embodiment, preferably an electromagnet 29. It is only necessary to ensure the adsorption effect between the connecting column 11 and the side wall of the box body. The connecting column 11 is rotatably adapted in the connecting hole 13, and then It is convenient for the connecting column 11 to rotate in the rotating column 9; in the initial state, although the support plate 5 will not contact the box body, it is necessary to ensure that the adsorption part 12 is adsorbed on the side wall of the box body, that is, the adsorption part 12 is located outside the rotating column 9, and the connecting column 11 can be completely or partially located in the rotating column 9, and it is only necessary to ensure that the adsorption part 12 is in contact with the box body. When the box body needs to be lifted, the adsorption parts 12 on the two support plates 5 begin to adsorb the side walls of the box body. As the support plates 5 move upward, the support plates 5 drive the box body to move upward and pull the box body to a rotatable position.

[0024] The rotating portion includes a rotating block 19, a slide 20, a rotating groove 21 and a return group. The rotating block 19 is fixed to the outer wall of the connecting column 11, and the slide 20 is arranged on the inner wall of the rotating column 9. The rotating block 19 slides and fits in the slide 20. The rotating groove 21 is arranged in an arc shape and is arranged on the inner wall of the rotating column 9. The two ends of the slide 20 are closed. The rotating groove 21 is opened at one end of the slide 20 close to the box body, and the other end of the rotating groove 21 is closed. The rotating groove 21 is arranged as a semicircular arc. The axis position of the cross-section circle of the rotating groove 21 is collinear with the axis direction of the connecting column 11. The slide 20 moves along the length direction of the rotating column 9. When the rotating block 19 slides in the slide groove 20, the rotation between the connecting column 11 and the rotating column 9 is restricted. As the bottom plate 4 and the support plate 5 rotate in the direction away from the box body, the connecting column 11 and the rotating column 9 also move relative to each other. Specifically, the connecting column 11 gradually moves toward the outside of the rotating column 9, and the rotating block 19 moves along the slide groove 20 until it reaches the end of the slide groove 20, that is, the rotating block 19 moves to the opening of the rotating groove 21. At this time, the connecting column 11 and the box body can rotate in the rotating column 9 following the connecting column 11.

[0025] The power assembly includes a power motor 14, two sliders 15, a slide rod 16 and a double-headed threaded rod 17. The rotating seat 2 is provided with an operating chamber 18. The power motor 14 is arranged in the operating chamber 18 and is used to control the rotation of the double-headed threaded rod 17. The slide rod 16 and the double-headed threaded rod 17 are arranged in parallel and are both installed in the operating chamber 18. The slider 15 is sleeved and slides outside the slide rod 16. The two sliders 15 are respectively screwed together at the two sections of the thread of the double-headed threaded rod 17. The rotation directions of the threads at both ends of the double-headed threaded rod 17 are opposite. Therefore, the movement directions of the two sliders 15 are also opposite. The power motor 14 controls the rotation of the double-headed threaded rod 17, and the slide rod 16 limits the rotation of the slider 15. The slider 15 can only slide along the length direction of the slide rod 16. The two sliders 15 are respectively fixedly connected to the two base plates 4. The two base plates 4 start to move toward each other, and then the box is clamped under the clamping action of the two base plates 4. Likewise, as the power motor 14 reverses, the two sliders 15 drive the corresponding rotating posts 9 to move away from the box body. Since the adsorption member 12 adsorbs the box body, the connecting post 11 is pulled out from the rotating post 9 .

[0026] When the rotating block 19 moves to the position of the rotating groove 21, it is only necessary to apply a force to the box body to swing in one direction. At this time, the box body starts to flip over, and the rotating block 19 rotates in the rotating groove 21. Since the box body only needs to flip over 180° in the embodiment of the present application, the rotating groove 21 is set to a semicircular arc. When the rotating block 19 rotates to the closed end of the rotating groove 21, the box body just flips over one circle. The force applied to the box body is set here to push the box body to flip over at an angle greater than 180°, but due to the limitation of the closed end of the rotating block 19, the box body can only flip over 180°.

[0027] The return group includes an elastic member 22. The rotating column 9 is provided with a return groove 23 at the corresponding end of the arc groove. One end of the elastic member 22 is fixed to the inner wall of the end of the return groove 23, and the other end is movably provided at the connection between the arc groove and the slide groove 20. After the box body rotates 180°, the elastic member 22 is completely squeezed into the return groove 23. The aperture of the return groove 23 is smaller than the aperture of the rotation groove 21. The elastic member 22 is configured as an arc spring in this embodiment, and the curvature of the arc spring is just adapted to the return groove 23 and the rotation groove 21. One end of the elastic member 22 is just located at the opening of the rotation groove 21. Therefore, as the rotating block 19 moves toward the rotating groove 21, the elastic member 22 is squeezed and compressed until the rotating block 19 moves to the rotation When one end of the rotating groove 21 is closed, the elastic member 22 is completely squeezed into the return groove 23. However, since the elastic member 22 cannot overcome the weight of the box, the elastic member 22 cannot return to its state during the flipping and welding process of the box. Only when the box is welded and removed from between the two bottom plates 4, the elastic member 22 restores its original shape under the elastic force, and the connecting column 11 rotates to its initial position, that is, it is located in the slide groove 20. At this time, when clamping the next box, as the box abuts against the connecting column 11 and the adsorption member 12, the connecting column 11 and the rotating column 9 undergo relative displacement, and the connecting column 11 gradually moves toward the rotating column 9 until the bottom plate 4 clamps the side wall of the box, and the adsorption member 12 is also in contact with the side wall of the box.

[0028] The control part includes a control frame 24, a control rod 25, a torsion spring 26, a traction group for pulling the control rod 25, and a reinforcement group for adding weight to the control rod 25. The control frame 24 is located above the box, one end of the control rod 25 is hinged to the control frame 24, and the other end of the control rod 25 hits the box during movement. The torsion spring 26 is used to connect the control rod 25 and the control frame 24. The control frame 24 is set on the rotating seat 2, and the control frame 24 will not affect the welding work. The rotation between the control rod 25 and the control frame 24 is set horizontally. The traction assembly pulls the control rod 25 and needs to ensure that the control rod 25 is tilted and located above the box. During the swinging process of the control rod 25, the control rod 25 impacts the top or bottom of the box. The reinforcement group is used to increase the weight of the control rod 25. In this embodiment, the power of the control rod 25 comes from the torsion spring 26 and its own gravitational potential energy. Therefore, the greater the weight of the control rod 25 itself, the greater the impact force of the control rod 25 on the box during the swinging process.

[0029] The traction group includes a traction motor 27, a traction roller 28, an electromagnet 29 and a traction rope 30. The traction motor 27 is arranged on the control frame 24 shown. The traction roller 28 is rotatably arranged on the control frame 24. The rotation axis direction of the traction roller 28 is arranged parallel to the rotation axis direction of the control rod 25. The electromagnet 29 is used to connect the traction motor 27 and the traction roller 28. The traction roller 28 is wound on the traction roller 28 and the other end of the traction rope 30 is connected to the movable end of the traction rope 30. Of course, in this embodiment, a guide roller can be provided according to specific circumstances to ensure that the control rod 25 is pulled to a specified position. The electromagnet 29 is provided at the output end of the traction motor 27 and is used to One end of the traction roller 28 is adsorbed; under the control of the torsion spring 26, the control rod 25 is exerted with a force to swing toward the box body, and the control rod 25 converts its gravitational potential energy into kinetic energy. At this time, the electromagnet 29 releases the traction roller 28, and the traction rope 30 on the traction roller 28 is continuously pulled out. After the impact is completed and the box body begins to flip, the control rod 25 is separated from the box body, and the electromagnet 29 begins to adsorb the traction roller 28 and continuously pulls the control rod 25 toward the initial position through the traction rope 30. The initial position needs to ensure that there will be no interference from the box body. Of course, if there is interference, the control rod 25 can be pulled to a non-interfering position first and then gradually released to the initial position.

[0030] The weighting part includes a water tank 31, a water pump, a water pipe 32 and a salt adding group arranged on the rotating seat 2. One end of the water pipe 32 is connected to the water pump, and the other end of the water pipe 32 is connected to the inner cavity of the control rod 25. The salt adding group is arranged in the water tank 31. If the position of the box body does not change significantly after the control rod 25 impacts the box body, or the box body does not rotate 180°, it is necessary to weight the control rod 25. Of course, the position of the movable end of the control rod 25 can also be continued to be raised. At this time, the water pump is controlled to pump water in the water tank 31 to the inner cavity of the control rod 25. The water pipe 32 is set as a soft Tube, if the impact force is still insufficient after the inner cavity of the control rod 25 is filled with water, edible salt can be added to the water in the water tank 31. The salt adding group includes a storage tank 33 and a solenoid valve. The storage tank 33 is filled with edible salt. The solenoid valve is set at the discharge port of the storage tank 33. After adding edible salt into the water tank 31, the water in the control rod 25 can be discharged first. The control rod 25 is provided with a water outlet and a valve of conventional technology, and then the salt water is added to the control rod 25, which can increase the gravitational potential energy of the control rod 25, ensuring that the control rod 25 impacts the box body and causes the box body to flip over.

[0031] The implementation principle of the positioning device for welding an electric energy meter box in the embodiment of the present application is as follows: the power motor 14 controls the rotation of the double-headed threaded rod 17, and the sliding rod 16 limits the rotation of the slider 15. The slider 15 can only slide along the length direction of the sliding rod 16. The two sliders 15 are fixedly connected to the two bottom plates 4 respectively, and the two bottom plates 4 begin to move toward each other, and then clamp the box body under the clamping action of the two bottom plates 4; when the box body needs to be lifted, the adsorption parts 12 on the two support plates 5 begin to adsorb the side walls of the box body. As the support plates 5 move upward, the support plates 5 drive the box body to move upward and pull the box body to a rotatable position. As the power motor 14 reverses, the two sliders 15 respectively drive the corresponding rotating columns 9 to move away from the box body. Since the adsorption parts 12 adsorb the box body, the connecting column 11 is pulled out from the rotating column 9.

[0032] When the rotating block 19 slides in the slide groove 20, the rotation between the connecting column 11 and the rotating column 9 is restricted. As the bottom plate 4 and the support plate 5 rotate in the direction away from the box, the connecting column 11 and the rotating column 9 also move relative to each other. Specifically, the connecting column 11 gradually moves toward the outside of the rotating column 9, and the rotating block 19 moves along the slide groove 20 until it moves to the end of the slide groove 20, that is, the rotating block 19 moves to the opening of the rotating groove 21. At this time, the connecting column 11 and the box can follow the connecting column 11 to rotate in the rotating column 9. Under the control of the torsion spring 26, the control rod 25 is applied toward the box. The force of the swing in the direction is exerted, and the control rod 25 converts its gravitational potential energy into kinetic energy. At this time, the electromagnet 29 releases the traction roller 28, and the traction rope 30 on the traction roller 28 is continuously pulled out, and the rotating block 19 rotates in the rotating groove 21. Since the box body needs to be flipped 180° in the embodiment of the present application, the rotating groove 21 is set to a semicircular arc. When the rotating block 19 rotates to the closed end of the rotating groove 21, the box body just flips one circle. The force applied to the box body is set here to push the box body to flip at an angle greater than 180°, but due to the closed end limit of the rotating block 19, the box body can only be flipped 180°.

[0033] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A positioning device for welding an electric energy meter box, characterized in that: It includes a workbench (1) and welding equipment; It also includes a rotating seat (2) arranged on the workbench (1), a clamping mechanism arranged on the rotating seat (2), and a driving mechanism for controlling the rotation of the rotating seat (2); The clamping structure comprises two clamping plates (3) relatively slidingly arranged on the rotating seat (2), a lifting component for lifting the box, a power component for achieving relative sliding of the two clamping plates (3), and a flipping component for achieving flipping of the box.

2. The electric energy meter box welding positioning device according to claim 1, characterized in that: The clamping plate (3) includes a base plate (4) and a support plate (5) that is lifted and lowered in the base plate (4); the lifting assembly includes two electric push rods (6); the electric push rods (6) are arranged in the base plate (4); the output ends of the electric push rods (6) abut against the bottom of the support plate (5); a limiting groove (8) is provided on the side wall of the inner cavity of the base plate (4); a limiting block (7) is fixedly connected to the side wall of the support plate (5); the limiting block (7) slides in the limiting groove (8), and both ends of the limiting groove (8) are closed.

3. The electric energy meter box welding positioning device according to claim 2, characterized in that: The flip assembly comprises a rotating column (9) fixedly arranged on the support plate (5), a connecting portion for adsorbing the box, a rotating portion for controlling the rotation of the box, and a control portion for applying power to the flipping of the box, the support plate (5) is provided with a fixing hole (10), the rotating column (9) is fixedly arranged in the rotating hole, the end of the rotating column (9) is located in the rotating hole, the connecting portion adsorbs the box and extends out of the rotating column (9) when the box rotates.

4. The electric energy meter box welding positioning device according to claim 3, characterized in that: The connecting portion comprises a connecting column (11) slidably arranged in the rotating column (9) and an adsorption member (12) for adsorbing the box body, a connecting hole (13) is provided in the rotating column (9), the connecting column (11) is slidably adapted in the connecting hole (13), and the adsorption member (12) is provided at the end of the connecting column (11) and is in contact with the box body in an initial state.

5. The electric energy meter box welding positioning device according to claim 1, characterized in that: The power assembly includes a power motor (14), two sliders (15), a slide rod (16) and a double-headed threaded rod (17); the rotating seat (2) is provided with an operating chamber (18); the power motor (14) is arranged in the operating chamber (18) and is used to control the rotation of the double-headed threaded rod (17); the slide rod (16) and the double-headed threaded rod (17) are arranged in parallel and are both installed in the operating chamber (18); the slider (15) is sleeved and slidable outside the slider (16); the two sliders (15) are respectively screwed on the two sections of the thread of the double-headed threaded rod (17); and the two sliders (15) are respectively fixedly connected to the two base plates (4).

6. The electric energy meter box welding positioning device according to claim 4, characterized in that: The rotating portion includes a rotating block (19), a slide groove (20), a rotating groove (21) and a return group, wherein the rotating block (19) is fixed to the outer wall of the connecting column (11), the slide groove (20) is arranged on the inner wall of the rotating column (9), the rotating block (19) is slidably adapted in the slide groove (20), the rotating groove (21) is arranged in an arc shape and is arranged on the inner wall of the rotating column (9), the two ends of the slide groove (20) are closed, the rotating groove (21) is opened at one end of the slide groove (20) close to the box body, the other end of the rotating groove (21) is closed, and the rotating groove (21) is arranged in a semicircular arc.

7. The electric energy meter box welding positioning device according to claim 6, characterized in that: The recovery group includes an elastic member (22), and the rotating column (9) is provided with a recovery groove (23) at the corresponding end of the rotating groove (21). One end of the elastic member (22) is fixed to the inner wall of the end of the recovery groove (23), and the other end is movably provided at the connection between the rotating groove (21) and the sliding groove (20). After the box body rotates 180 degrees, the elastic member (22) is completely squeezed into the recovery groove (23).

8. The electric energy meter box welding positioning device according to claim 4, characterized in that: The control part comprises a control frame (24), a control rod (25), a torsion spring (26), a traction group for pulling the control rod (25), and a weighting group for weighting the control rod (25); the control frame (24) is located above the box; one end of the control rod (25) is hinged to the control frame (24), and the other end of the control rod (25) impacts the box during movement; the torsion spring (26) is used to connect the control rod (25) and the control frame (24).

9. The electric energy meter box welding positioning device according to claim 8, characterized in that: The traction group includes a traction motor (27), a traction roller (28), an electromagnet (29) and a traction rope (30), wherein the traction motor (27) is arranged on the control frame (24), the traction roller (28) is rotatably arranged on the control frame (24), the rotation axis direction of the traction roller (28) is arranged parallel to the rotation axis direction of the control rod (25), the electromagnet (29) is used to connect the traction motor (27) and the traction roller (28), the traction roller (28) is wound on the traction roller (28) and the other end of the traction rope (30) is connected to the movable end of the traction rope (30).

10. The electric energy meter box welding positioning device according to claim 9, characterized in that: The weighting part comprises a water tank (31) arranged on the rotating seat (2), a water pump, a water pipe (32) and a salt adding group, one end of the water pipe (32) is connected to the water pump, and the other end of the water pipe (32) is connected to the inner cavity of the control rod (25), and the salt adding group is arranged in the water tank (31).

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