Positioning tool for electrical cabinet shell welding

Abstract

The invention relates to the field of electrical cabinet welding, and particularly discloses an electrical cabinet shell welding positioning tool which comprises a back plate, end plates, side plates and a rack. The rack is provided with a pre-positioning assembly, the pre-positioning assembly comprises a pre-positioning seat arranged on the periphery of the top of the back plate, the top of the pre-positioning seat is provided with a groove, the groove is used for insertion of the end plate and the side plate, and the middle of the upper end of the rack is provided with a supporting plate used for supporting the back plate; and the precise positioning assembly comprises sliding seats which are connected to the two ends of the top of the rack in a sliding manner. According to the positioning tool for welding of the electrical cabinet shell, manual pre-positioning and automatic fine positioning can be achieved through cooperation of the pre-positioning assembly and the fine positioning assembly, high-precision positioning and splicing can be automatically achieved only by roughly placing a back plate, an end plate and a side plate, multiple plates are placed in place in one step, and efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of electrical cabinet welding, and in particular to a positioning tool for welding an electrical cabinet shell. Background Art

[0002] An electrical cabinet is a device specifically used for electrical control. It is usually a box or cabinet made of steel plates. Various electrical components are installed in the electrical cabinet, such as power supplies, fuses, circuit breakers, relays, contactors, capacitors, etc. Through the operation of these electrical components, electrical control of a certain device or system can be achieved.

[0003] like Figure 1 As shown, the electrical cabinet is generally composed of a back panel 1, an end panel 2, and a side panel 3 during assembly. After the assembly is completed, the cabinet door needs to be hinged and installed at the front opening end. At present, the back panel 1, the end panel 2, and the side panel 3 of some electrical cabinets are often fixed by welding during assembly. Before welding, the back panel 1, the end panel 2 and the side panel 3 need to be positioned so that the sides to be welded are aligned, and then the welding operation is carried out. Since the electrical cabinet shell is composed of multiple panels, the conventional method needs to be manually fixed in place one by one. Manual operation is not only time-consuming and labor-intensive, but also has poor positioning accuracy, which affects the final quality of the product.

[0004] Therefore, it is necessary to propose a positioning tool for welding an electrical cabinet housing to solve the above problems. Summary of the invention

[0005] The main purpose of the present invention is to provide a positioning tool for welding an electrical cabinet housing, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] A positioning tool for welding an electrical cabinet housing, comprising a back plate, an end plate, a side plate and a frame;

[0008] The frame is provided with a pre-positioning assembly, which includes a pre-positioning seat arranged around the top of the back plate, a groove is arranged on the top of the pre-positioning seat, and the groove is used for plugging the end plate and the side plate. A support plate for supporting the back plate is arranged in the middle of the upper end of the frame;

[0009] The cam is provided with a first positioning arm for pushing the back plate and the end plate to move, and a third positioning arm for pushing the side edge of the end plate is movably provided on both sides of the first positioning arm. Second positioning arms are fixed on both sides of the upper end of the first positioning arm, and the spacing between the two second positioning arms on the same first positioning arm is adapted to the width of the back plate. A driving mechanism for driving the lifting and lowering of the pallet, the transverse movement of the sliding seat and the movement of the third positioning arm is provided on the frame.

[0010] Preferably, the driving mechanism comprises a screw rod rotatably arranged at the lower end of the frame, a driving source for driving the screw rod to rotate is arranged at the bottom of the frame, a lifting frame is threadedly connected to the screw rod, and lifting columns corresponding to the support plate are arranged at the top of both ends of the lifting frame, and the upper ends of the lifting columns extend to the upper end of the frame and are connected to the bottom of the support plate;

[0011] A first driving frame is fixed to the end of the lifting frame, a first inclined guide groove is provided on the side wall of the first driving frame, a traction arm extending to the lower end of the frame and corresponding to the first driving frame is fixed on one side of the sliding seat, a first guide shaft is provided on the lower end side wall of the traction arm to match the first guide groove movable guide, and the two traction arms are configured to move closer to each other when the first driving frame moves downward;

[0012] The bottom of the sliding seat is provided with a notch corresponding to the first positioning arm, and the inner side of the notch is vertically movably connected to the second driving frame, and the sliding seat is provided with a through groove corresponding to and adapted to the upper end of the second driving frame, the first positioning arm is a hollow structure, the inner side of the first positioning arm is vertically movably connected to a lifting plate, the bottom of the lifting plate is provided with a force-bearing plate that is plugged and matched with the through groove, and the side wall of the lifting plate is provided with an inclined second guide groove, one end of the third positioning arm extends to the inner side of the first positioning arm and is provided with a second guide shaft that is movably matched with the second guide groove, and is configured so that when the lifting plate moves up, the two third positioning arms on both sides of the first positioning arm are moved close to each other, and driving plates corresponding to the notch are provided at both ends of the top of the frame, and one end of the driving plate is a slope.

[0013] Preferably, a first elastic member is provided between the top of the end plate and the inner top wall of the recess.

[0014] Preferably, the lower end of the first positioning arm is rotatably connected to the top of the sliding seat, and is configured so that the first positioning arm can rotate when the lower end of the force-bearing plate is disengaged from the through groove.

[0015] Preferably, a slide groove is provided on the support plate, a slider is slidably connected to the inner side of the slide groove, and the moving direction of the slider is consistent with the moving direction of the sliding seat, and a suction cup for adsorbing the back plate is provided on the slider.

[0016] Preferably, a first reinforcement component corresponding to the sliding seat is provided on the top of the frame, and the first reinforcement component includes a cylinder fixed at both ends of the top of the frame and corresponding to the sliding seat, and an arm for applying pressure to the end plate is movably connected to the inner side of one end of the cylinder close to the sliding seat, and a third elastic member is provided between the end of the arm away from the sliding seat and the inner wall of the cylinder.

[0017] Preferably, the support plate is provided with a second reinforcing component for applying pressure to the side wall of the slider, the second reinforcing component includes a receiving groove arranged on the side of the inner cavity of the slide groove, the inner side of the receiving groove is movably connected with a pressure strip corresponding to the slider, the top of the lifting column is provided with a blind hole, the bottom of the support plate is provided with a column movably connected to the blind hole, a second elastic member is fixedly provided between the bottom of the column and the bottom wall of the inner cavity of the blind hole, the upper end side wall of the lifting column is provided with a pressure arm, the upper end of the pressure arm is movably connected to the inner side of the support plate, the upper end of the pressure arm corresponds to the pressure strip, and the upper end of the pressure arm is "V"-shaped and elastic.

[0018] Preferably, a vertical groove is provided at the upper end of the first guide groove.

[0019] Preferably, the inner side of the upper end of the pre-positioning seat, the upper end side surface of the first positioning arm and the upper end side surface of the second positioning arm are all provided with chamfers.

[0020] Preferably, the driving source is a reduction motor.

[0021] Compared with the prior art, the present invention provides a positioning tool for welding an electrical cabinet housing, which has the following beneficial effects:

[0022] 1. The positioning tool for welding the electrical cabinet shell can realize manual pre-positioning and automatic fine positioning through the pre-positioning components and the fine positioning components. It only needs to roughly place the back plate, end plate and side plate to automatically realize high-precision positioning and splicing. Multiple plates can be placed in one step, which is easy to use and improves efficiency.

[0023] 2. The positioning tool for welding the electrical cabinet shell can apply pressure to the side of the end plate after positioning through the first reinforcement component, thereby directly ensuring the stability of the end plate and avoiding displacement during welding. The second reinforcement component can directly ensure the stability of the suction cup and avoid the suction cup causing the back plate to shift during welding. The structure is compact and the practicality is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the electrical cabinet housing of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the positioning tool of the present invention;

[0026] Figure 3 The present invention Figure 2 A structural diagram from another perspective based on the above;

[0027] Figure 4 It is a structural schematic diagram of the present invention in a state where the back plate, the end plate and the side plate are positioned;

[0028] Figure 5 It is a schematic diagram of the structure of the back plate, end plate and side plate of the present invention when the positioning is completed;

[0029] Figure 6 It is a schematic diagram of the structure of the support plate, the first positioning arm and the frame of the present invention in a disassembled state;

[0030] Figure 7 The present invention Figure 6 A structural diagram from another perspective based on the above;

[0031] Figure 8 It is a schematic diagram of the overall structure of the first positioning arm, the traction arm and the sliding seat of the present invention;

[0032] Fig. 9 The present invention Figure 8 Schematic diagram of the structure when the foundation is disassembled;

[0033] Fig.10 It is a structural schematic diagram of the lifting plate, the first positioning arm and the third positioning arm of the present invention in a disassembled state;

[0034] Fig.11 It is a schematic diagram of the structure of the sliding seat, the second driving frame and the pre-positioning seat of the present invention in a disassembled state;

[0035] Fig.12 It is a structural schematic diagram of the top of the frame of the present invention;

[0036] Fig.13 It is a structural schematic diagram of the support plate of the present invention;

[0037] Fig.14 It is a schematic diagram of the structure of the pressure strip, lifting column and supporting plate of the present invention in a disassembled state;

[0038] Fig.15 The present invention Fig.14 A structural diagram from another perspective based on the above;

[0039] Fig.16 It is a schematic diagram of the structure of the support arm and the cylinder body of the present invention when they are disassembled.

[0040] In the figure: 1, back plate; 2, end plate; 3, side plate; 4, frame; 5, support plate; 6, second positioning arm; 7, third positioning arm; 8, first positioning arm; 9, pre-positioning seat; 10, cylinder; 11, hose; 12, lifting column; 13, driving source; 14, screw rod; 15, lifting frame; 16, first driving frame; 17, driving plate; 18, traction arm; 19, sliding seat; 20, first guide groove; 21, first guide shaft; 2 2. Notch; 23. Second guide shaft; 24. Lifting plate; 25. Second guide groove; 26. Force plate; 27. Through groove; 28. Second drive frame; 29. ​​Guide column; 30. First elastic member; 31. Support arm; 32. Sliding block; 33. Suction cup; 34. Pressure arm; 35. Slide groove; 36. Pressure strip; 37. Second elastic member; 38. Accommodating groove; 39. Blind hole; 40. Vertical column; 41. Third elastic member; 42. Vertical groove. DETAILED DESCRIPTION

[0041] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0042] like Figure 2 , Figure 4-Figure 5 As shown, a positioning tool for welding an electrical cabinet housing includes the main components of the electrical cabinet housing, which are a back plate 1, an end plate 2, and a side plate 3, and also includes a frame 4 for supporting the components. The frame 4 is provided with a pre-positioning component, and the pre-positioning component includes a pre-positioning seat 9 arranged around the top of the back plate 1, wherein the pre-positioning seats 9 at opposite ends are used for pre-positioning the end plate 2, and the pre-positioning seats 9 at the other two ends are used for pre-positioning the side plate 3. A groove is provided on the top of the pre-positioning seat 9, and the groove is used for plugging the end plate 2 and the side plate 3. In order to facilitate insertion, a chamfer is provided on the inner side of the upper end of the pre-positioning seat 9, and a support plate 5 for supporting the back plate 1 is provided in the middle of the upper end of the frame 4;

[0043] like Figure 2-Figure 12As shown, it also includes a fine positioning component, which includes a sliding seat 19 slidably connected to the two ends of the top of the frame 4. Specifically, linear guide rails are set at both ends of the top of the frame 4, and the sliding seat 19 is movably connected to the linear guide rails. The pre-positioning seat 9 for pre-positioning the end plate 2 is fixed on the sliding seat 19, and a first positioning arm 8 for pushing the back plate 1 and the end plate 2 to move is set on the top of the sliding seat 19. The upper end side surface of the first positioning arm 8 is provided with a chamfer, and the two sides of the first positioning arm 8 are movably provided with a third positioning arm 7 for pushing the side edge of the end plate 2. Second positioning arms 6 are fixed on both sides of the upper end of the first positioning arm 8, and the spacing between the two second positioning arms 6 on the same first positioning arm 8 is adapted to the width of the back plate 1, and the upper end side surface of the second positioning arm 6 is provided with a The second positioning arm 6 is used to limit the two opposite sides of the back plate 1. The frame 4 is provided with a driving mechanism for driving the lifting and lowering of the support plate 5, the transverse movement of the sliding seat 19 and the activity of the third positioning arm 7. As a preferred embodiment, the driving mechanism includes a screw rod 14 rotatably arranged at the lower end of the frame 4, and a driving source 13 for driving the screw rod 14 to rotate is arranged at the bottom of the frame 4. The driving source 13 is preferably a reduction motor. A lifting frame 15 is threadedly connected to the screw rod 14. Lifting columns 12 corresponding to the support plate 5 are arranged at the top of both ends of the lifting frame 15, and the upper ends of the lifting columns 12 extend to the upper end of the frame 4 and are connected to the bottom of the support plate 5. The lifting columns 12 cooperate with the movable guide of the frame 4, and a first driving frame 16 is fixed to the end of the lifting frame 15. The side wall of the sliding seat 19 is provided with an inclined first guide groove 20, and a traction arm 18 extending to the lower end of the frame 4 and corresponding to the first driving frame 16 is fixed on one side of the sliding seat 19, and the traction arm 18 is movably connected to the frame 4, and the lower end side wall of the traction arm 18 is provided with a first guide shaft 21 that is movably guided and matched with the first guide groove 20, and is configured so that when the first driving frame 16 moves downward, the two traction arms 18 move closer to each other, and a notch 22 corresponding to the first positioning arm 8 is provided at the bottom of the sliding seat 19, and a second driving frame 28 is vertically and movably connected to the inner side of the notch 22. In order to directly stabilize the second driving frame 28, a guide column 29 corresponding to the second driving frame 28 is vertically provided on the inner side of the notch 22, and the end of the second driving frame 28 is movably connected to the outside of the guide column 29. To facilitate the resetting of the second driving frame 28, a first elastic member 30 is arranged between the top of the end plate 2 and the inner top wall of the recess 22. The first elastic member 30 is preferably a spring, and the spring is sleeved on the outside of the guide column 29. The sliding seat 19 is provided with a through groove 27 corresponding to and adapted to the upper end of the second driving frame 28. The first positioning arm 8 is a hollow structure. The inner side of the first positioning arm 8 is vertically and movably connected with a lifting plate 24. The bottom of the lifting plate 24 is provided with a force-bearing plate 26 that is plugged and matched with the through groove 27. The side wall of the lifting plate 24 is provided with an inclined second guide groove 25. One end of the third positioning arm 7 extends to the inner side of the first positioning arm 8 and is provided with a second guide shaft 23 that is movably guided and matched with the second guide groove 25. The third positioning arm 7 is movably guided and connected to the first positioning arm 8.The second guide groove 25 and the second guide shaft 23 are configured so that when the lifting plate 24 moves upward, the two third positioning arms 7 on both sides of the first positioning arm 8 move closer to each other, and the two ends of the top of the frame 4 are provided with a driving plate 17 corresponding to the notch 22, and one end of the driving plate 17 is a slope.

[0044] In order to facilitate positioning without affecting welding, the lower end of the first positioning arm 8 is rotatably connected to the top of the sliding seat 19 through a pin shaft, and is configured so that the first positioning arm 8 can rotate when the lower end of the force plate 26 is disengaged from the through groove 27.

[0045] like Figure 2-Figure 3 , Figure 6-Figure 7 , Figure 13-Figure 15 As shown, in order to increase the stability of the back plate 1, a slide groove 35 is provided on the support plate 5, and a slider 32 is slidably connected to the inner side of the slide groove 35, and the movement direction of the slider 32 is consistent with the movement direction of the sliding seat 19, and a suction cup 33 for adsorbing the back plate 1 is provided on the slider 32, and a hose 11 is provided at the bottom of the suction cup 33, and the lower end of the hose 11 extends to the bottom of the frame 4 and is used to connect a vacuum pump, which is not shown in the figure.

[0046] In addition, if Figure 2 , Figure 6 , Fig.16 As shown, in order to avoid the deviation of the end plate 2, a first reinforcement component corresponding to the sliding seat 19 is provided on the top of the frame 4, and the first reinforcement component includes a cylinder 10 fixed at both ends of the top of the frame 4 and corresponding to the sliding seat 19, and an end of the cylinder 10 close to the sliding seat 19 is movably connected to the inner side of a support arm 31 for applying pressure to the end plate 2, and a third elastic member 41 is provided between the end of the support arm 31 away from the sliding seat 19 and the inner wall of the cylinder 10. The third elastic member 41 is preferably a spring, and the spring is in a contracted state when welded.

[0047] like Figure 13-Figure 15As shown, in order to avoid the deviation of the back plate 1, a second reinforcing component for applying pressure to the side wall of the slider 32 is provided on the support plate 5, and the second reinforcing component includes a receiving groove 38 provided on the side of the inner cavity of the slide groove 35, and a pressure strip 36 corresponding to the slider 32 is movably connected to the inner side of the receiving groove 38, and the length of the pressure strip 36 is adapted to the length of the slide groove 35. A blind hole 39 is provided on the top of the lifting column 12, and a column 40 movably connected to the blind hole 39 is provided at the bottom of the support plate 5. A fixed device is provided between the bottom of the column 40 and the bottom wall of the inner cavity of the blind hole 39. A second elastic member 37 is provided, and the second elastic member 37 is preferably a spring, one end of the spring is fixed to the bottom wall of the column 40, and the other end is fixed to the bottom wall of the inner cavity of the blind hole 39. A pressure arm 34 is provided on the upper side wall of the lifting column 12, and the upper end of the pressure arm 34 is movably connected to the inner side of the support plate 5. The upper end of the pressure arm 34 corresponds to the pressure bar 36. The upper end of the pressure arm 34 is "V"-shaped and elastic. In order to keep the sliding seat 19 unaffected when pressure is applied to the slider 32, a vertical vertical groove 42 is provided at the upper end of the first guide groove 20.

[0048] It should be noted that there is a gap between the bottom of the end plate 2 and the side plate 3 and the top of the frame 4, which can facilitate the removal of the electrical cabinet housing after welding.

[0049] When in use, the end plate 2 and the side plate 3 are roughly inserted into the pre-positioning seat 9, and the end plate 2 is inserted into the pre-positioning seat 9 on the top of the sliding seat 19, and then the first positioning arm 8 is flipped to vertical, at this time the force plate 26 is matched with the through groove 27, and the third positioning arms 7 on both sides of the first positioning arm 8 are pulled outward, and under the action of the second guide shaft 23 and the second guide groove 25, the lifting plate 24 and the force plate 26 are moved downward, and then the lower end of the force plate 26 is inserted into the through groove 27, the first positioning arm 8 is locked and cannot be flipped, and the two third positioning arms 7 on the first positioning arm 8 are opened, and at this time the second positioning arm 6 follows the first positioning arm 8 to be flipped to both sides of the support plate 5, and then the back plate 1 is placed on the top of the support plate 5 and supported by the suction cup 33. The spacing between the two second positioning arms 6 is adapted to the width of the back plate 1, so the other two sides of the back plate 1 are precisely positioned by the second positioning arms 6, and the vacuum pump is controlled. Under the action of the hose 11, the suction cup 33 firmly adsorbs the back plate 1, and then the driving source 13 is controlled to drive the screw rod 14 to rotate, and the screw rod 14 drives the lifting frame 15, the first driving frame 16, the lifting column 12, and the support plate 5 to move downward as a whole. The back plate 1 is driven by the support plate 5 to move downward synchronously, and under the action of the first guide groove 20 and the first guide shaft 21, the traction arm 18 pushes the sliding seat 19 to move, and the sliding seat 19 drives the end plate 2 to move through the pre-positioning seat 9 at its top. With the downward movement of the back plate 1 and the displacement of the first positioning arm 8, the back plate 1 is gradually located between the first positioning arms 8 at both ends, and then the end of the back plate 1 is gradually The first positioning arm 8 pushes the end of the side plate 3 and gradually positions the side plate 3 precisely. In addition, when the sliding seat 19 is displaced, the second driving frame 28 is also driven to move synchronously. The second driving frame 28 gradually moves uphill from one end of the driving plate 17. The second driving frame 28 moves up, the first elastic member 30 is compressed, and the upper end of the second driving frame 28 pushes the force-bearing plate 26 upward, and the force-bearing plate 26 drives the lifting plate 24 to rise. Under the action of the second guide groove 25 and the second guide shaft 23, the third positioning arms 7 on both sides of the first positioning arm 8 are close to each other and displaced, and then the third positioning arms 7 push the side of the end plate 2, and then the end plate 2 is gradually positioned precisely. When the back plate 1, the end plate 2, and the side plate 3 are precisely positioned and spliced, the force-bearing plate 26 The lower end is disengaged from the through slot 27, and the first guide shaft 21 reaches the lower end of the vertical slot 42. Since the force-bearing plate 26 is separated from the through slot 27, the first positioning arm 8 is unlocked, and then the first positioning arm 8, the second positioning arm 6, and the third positioning arm 7 can be turned over and lowered as a whole to avoid blocking the welding parts of the back plate 1, the end plate 2, and the side plate 3, which is convenient for welding. After the precise positioning is completed, the back plate 1 is blocked by the upper ends of the end plate 2 and the side plate 3, and the lifting column 12 continues to move downward. The second elastic member 37 is stretched, and the pressure arm 34 moves downward with the lifting column 12. Since the upper end of the pressure arm 34 is in a "V" shape, the upper end of the pressure arm 34 can push the side pressure strip 36 when it moves downward. The pressure strip 36 presses the side wall of the slider 32, which increases the stability of the suction cup 33 and avoids deviation.In this stage, the first guide shaft 21 is displaced in the vertical groove 42, and the sliding seat 19 does not move;

[0050] In addition, when the end plate 2 gradually approaches the side plate 3, the end plate 2 will also push the support arm 31, and the support arm 31 compresses the third elastic member 41, so that the reverse force generated by the third elastic member 41 can act on the side of the end plate 2 through the support arm 31, thereby increasing the stability of the end plate 2 and avoiding deviation;

[0051] After welding, the vacuum pump is controlled to separate the suction cup 33 from the back plate 1, and then the welded cabinet is removed upwards. Finally, the driving source 13 is controlled to reverse, the sliding seat 19 is moved away, and the support plate 5 rises and resets to wait for subsequent positioning welding operations.

[0052] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A positioning tool for welding an electrical cabinet housing, characterized in that: Including back plate, end plate, side plate and frame; The frame is provided with a pre-positioning assembly, which includes a pre-positioning seat arranged around the top of the back plate, a groove is arranged on the top of the pre-positioning seat, and the groove is used for plugging the end plate and the side plate. A support plate for supporting the back plate is arranged in the middle of the upper end of the frame; The cam is provided with a first positioning arm for pushing the back plate and the end plate to move, and a third positioning arm for pushing the side edge of the end plate is movably provided on both sides of the first positioning arm. Second positioning arms are fixed on both sides of the upper end of the first positioning arm, and the spacing between the two second positioning arms on the same first positioning arm is adapted to the width of the back plate. A driving mechanism for driving the lifting and lowering of the pallet, the transverse movement of the sliding seat and the movement of the third positioning arm is provided on the frame.

2. The positioning tool for welding the electrical cabinet housing according to claim 1, characterized in that: The driving mechanism includes a screw rod rotatably arranged at the lower end of the frame, a driving source for driving the screw rod to rotate is arranged at the bottom of the frame, a lifting frame is threadedly connected to the screw rod, and lifting columns corresponding to the support plate are arranged at the top of both ends of the lifting frame, and the upper ends of the lifting columns extend to the upper end of the frame and are connected to the bottom of the support plate; A first driving frame is fixed to the end of the lifting frame, a first inclined guide groove is provided on the side wall of the first driving frame, a traction arm extending to the lower end of the frame and corresponding to the first driving frame is fixed on one side of the sliding seat, a first guide shaft is provided on the lower end side wall of the traction arm to match the first guide groove movable guide, and the two traction arms are configured to move closer to each other when the first driving frame moves downward; The bottom of the sliding seat is provided with a notch corresponding to the first positioning arm, and the inner side of the notch is vertically movably connected to the second driving frame, and the sliding seat is provided with a through groove corresponding to and adapted to the upper end of the second driving frame, the first positioning arm is a hollow structure, the inner side of the first positioning arm is vertically movably connected to a lifting plate, the bottom of the lifting plate is provided with a force-bearing plate that is plugged and matched with the through groove, and the side wall of the lifting plate is provided with an inclined second guide groove, one end of the third positioning arm extends to the inner side of the first positioning arm and is provided with a second guide shaft that is movably matched with the second guide groove, and is configured so that when the lifting plate moves up, the two third positioning arms on both sides of the first positioning arm are moved close to each other, and driving plates corresponding to the notch are provided at both ends of the top of the frame, and one end of the driving plate is a slope.

3. The positioning tool for welding the electrical cabinet housing according to claim 2, characterized in that: A first elastic member is arranged between the top of the end plate and the inner top wall of the recess.

4. The electrical cabinet housing welding positioning tool according to claim 2, characterized in that: The lower end of the first positioning arm is rotatably connected to the top of the sliding seat, and is configured so that the first positioning arm can rotate when the lower end of the force-bearing plate is separated from the through slot.

5. The electrical cabinet housing welding positioning tool according to claim 2, characterized in that: The support plate is provided with a slide groove, the inner side of the slide groove is slidably connected with a slider, and the moving direction of the slider is consistent with the moving direction of the sliding seat, and the slider is provided with a suction cup for adsorbing the back plate.

6. The positioning tool for welding the electrical cabinet housing according to claim 1, characterized in that: A first reinforcement component corresponding to the sliding seat is arranged on the top of the frame, and the first reinforcement component includes a cylinder fixed at both ends of the top of the frame and corresponding to the sliding seat, and an arm for applying pressure to the end plate is movably connected to the inner side of one end of the cylinder close to the sliding seat, and a third elastic member is arranged between the end of the arm away from the sliding seat and the inner wall of the cylinder.

7. The positioning tool for welding the electrical cabinet housing according to claim 5, characterized in that: The support plate is provided with a second reinforcing component for applying pressure to the side wall of the slider, the second reinforcing component includes a receiving groove arranged on the side of the inner cavity of the slide groove, the inner side of the receiving groove is movably connected with a pressure strip corresponding to the slider, the top of the lifting column is provided with a blind hole, the bottom of the support plate is provided with a column movably connected to the blind hole, a second elastic member is fixedly provided between the bottom of the column and the bottom wall of the inner cavity of the blind hole, the upper end side wall of the lifting column is provided with a pressure arm, the upper end of the pressure arm is movably connected to the inner side of the support plate, the upper end of the pressure arm corresponds to the pressure strip, and the upper end of the pressure arm is "V"-shaped and elastic.

8. The electrical cabinet housing welding positioning tool according to claim 7, characterized in that: A vertical groove is arranged at the upper end of the first guide groove.

9. The electrical cabinet housing welding positioning tool according to claim 1, characterized in that: The inner side of the upper end of the pre-positioning seat, the upper end side surface of the first positioning arm and the upper end side surface of the second positioning arm are all provided with chamfers.

10. The electrical cabinet housing welding positioning tool according to claim 2, characterized in that: The driving source is a reduction motor.

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