A cabinet welding device for low-voltage draw-out switch cabinet manufacturing

Abstract

The application belongs to the technical field of switch cabinet welding equipment, and particularly relates to a cabinet body welding equipment for low-voltage draw-out type switch cabinet manufacturing, which aims at the problem that the welding equipment of the switch cabinet body cannot form a protection measure at the welding seam position, and proposes the following scheme, which comprises a main base, vertical fixing side plates are fixed on both sides of the main base through bolts, and a first moving mechanism is arranged on the top of each of the two fixing side plates. The welding is divided into two steps of wire placing and blow welding, the wire is pre-fixed through a wax block in the wire placing process, the deviation of the wire is prevented, the fixed position is stable, the two plates are welded and fixed through the blow welding mode, the surface of the melted wire is uniform and smooth through the blow welding mode, the wax block is melted in the blow welding process, a wax layer is formed on the surface of the melted wire, the surface of the welded wire is protected, and the oxidation of the welding seam surface can be prevented.

Description

A cabinet welding equipment for manufacturing low-voltage withdrawable switchgear. Technical Field

[0001] This invention relates to the field of switchgear welding equipment technology, and in particular to a cabinet welding equipment for manufacturing low-voltage withdrawable switchgear. Background Technology

[0002] The main function of switchgear is to open, close, control, and protect electrical equipment during the power generation, transmission, distribution, and energy conversion processes in a power system. The main components inside a switchgear include circuit breakers, disconnect switches, load switches, operating mechanisms, instrument transformers, and various protection devices. Switchgear can be classified in many ways. For example, based on the circuit breaker installation method, it can be divided into withdrawable switchgear and fixed switchgear; or according to the different cabinet structures, it can be divided into open switchgear, metal-enclosed switchgear, and metal-enclosed armored switchgear.

[0003] The existing switchgear cabinets have the following problems during the welding process: Since the switchgear cabinet is assembled by welding multiple plates together, and the cabinets are mostly of fixed specifications and dimensions, conventional manufacturers directly mass-produce switchgear cabinets for storage, which can be directly used when needed. However, current welding equipment leaves the weld seams exposed after welding. Over a long period of storage, oxidation at the weld seams can lead to weld detachment and even cabinet breakage. Therefore, current switchgear cabinet welding equipment cannot provide protective measures at the weld seams, and existing technologies cannot easily solve this problem. Therefore, there is an urgent need for cabinet welding equipment used in the manufacture of low-voltage withdrawable switchgear to solve the above problems. Summary of the Invention

[0004] To address the technical problem that current welding equipment for switchgear cabinets cannot provide protective measures at the weld seam, this invention proposes a cabinet welding device for manufacturing low-voltage withdrawable switchgear.

[0005] This invention proposes a cabinet welding device for manufacturing low-voltage withdrawable switchgear, comprising a main base. Vertically fixed side plates are bolted to both sides of the main base. A first moving mechanism is provided at the top of each of the two fixed side plates. The first moving mechanism includes two sliding side frames, each with a lifting top seat mounted on its top. A fixed top frame is fixed between the lifting top seats on both sides. A second moving mechanism is provided at the bottom of the fixed top frame. The second moving mechanism includes a sliding top seat. A welding rotating top seat is mounted at the bottom of the sliding top seat. A second electric push rod and a third electric push rod are respectively mounted at the bottom of the welding rotating top seat. A welding blowing mechanism is fixed at the bottom of the second electric push rod, and a wire-holding mechanism is fixed at the bottom of the third electric push rod. The welding blowing mechanism includes a welding blowing host fixed at the bottom of the second electric push rod, and a rotatably mounted welding blowing exhaust pipe is fixed at the bottom exhaust port of the welding blowing host.

[0006] Preferably, the first moving mechanism includes a first sliding groove opened in the side wall of the fixed side plate, a sliding side frame bottom slider is provided at the bottom of the sliding side frame, and the sliding side frame bottom slider is slidably engaged in the first sliding groove, a first sliding groove block is fixed at the end of the first sliding groove, a first moving screw is provided inside the first sliding groove, and the first moving screw is threadedly connected to the sliding side frame bottom slider.

[0007] Preferably, the second moving mechanism includes two second sliding grooves opened at the bottom of the fixed top frame, and two welding rotating top seat sliders are provided on the top of the sliding top seat. The two welding rotating top seat sliders are respectively slidably engaged with the two second sliding grooves. A second moving screw is provided inside one of the second sliding grooves, and the second moving screw is threadedly engaged with one of the welding rotating top seat sliders. A limit slide rod is provided inside the other second sliding groove, and the limit slide rod is slidably engaged with the other welding rotating top seat slider.

[0008] Preferably, the top of the fixed side plate is provided with a top sliding groove, and two limiting rollers are installed at the bottom of the sliding side frame, with the two limiting rollers rolling and engaging in the top sliding groove of the fixed side plate.

[0009] Preferably, the wire placement mechanism includes a wire placement main seat fixed at the bottom of a third electric push rod, and a wire placement rotating seat is installed at the bottom of the wire placement main seat.

[0010] Preferably, a first servo motor is fixed inside the sliding top seat, and the output shaft of the first servo motor is fixed to the top of the welding rotating top seat; a second servo motor is fixed inside the wire placing main seat, and the output shaft of the second servo motor is fixed to the wire placing rotating seat.

[0011] Preferably, the bottom of the wire feeding rotating seat is fixed with a wire outlet tube, and the top of the wire outlet tube is fixed with a wire inlet tube.

[0012] Preferably, a wax melting machine box is fixed to one side of the main seat for placing the wire. A wax melting chamber is opened on the top of the wax melting machine box. A heating coil is fitted into the bottom of the wax melting chamber. A fourth electric push rod is fixed to the bottom of the wax melting machine box. A wax dripping tube head is fixed to the bottom of the fourth electric push rod. A wax liquid conduit is installed between one side of the wax melting machine box and the wax dripping tube head. The wax liquid conduit is in communication with the interior of the wax melting chamber and the wax dripping tube head.

[0013] Preferably, a suction plate mechanism is installed on the top of the main base and the side wall of the fixed side plate. The suction plate mechanism includes four fixed ball head fixing seats, and a first electric push rod is ball-connected to the top of each of the four ball head fixing seats. A suction cup is installed on the top of each of the four first electric push rods.

[0014] Preferably, both the fixed side plate and the fixed top frame are equipped with drive motors, and the output shafts of the two drive motors are fixed to the shaft ends of the first slide groove and the second moving lead screw, respectively.

[0015] The beneficial effects of this invention are as follows:

[0016] 1. The cabinet welding equipment used in the manufacture of low-voltage withdrawable switchgear sets the welding process into two stages: wire placement and blow welding. In the wire placement process, the welding wire is pre-fixed with wax blocks to prevent the welding wire from shifting and ensure its stable position. Then, the two plates are welded and fixed by blow welding. The blow welding method makes the surface of the molten welding wire uniform and flat. The blow welding process also melts the wax blocks and forms a wax layer on the surface of the molten welding wire, which protects the surface of the weld wire and prevents oxidation of the weld surface. Attached Figure Description

[0017] Figure 1 is a schematic diagram of the overall structure of a cabinet welding equipment for manufacturing low-voltage withdrawable switchgear proposed in this invention.

[0018] Figure 2 is an enlarged schematic diagram of part A of the cabinet welding equipment for manufacturing low-voltage withdrawable switchgear proposed in this invention.

[0019] Figure 3 is a schematic diagram of the welding rotating top seat structure of a cabinet welding equipment for manufacturing low-voltage withdrawable switchgear proposed in this invention.

[0020] Figure 4 is a schematic diagram of the wax melting machine structure of a cabinet welding equipment for manufacturing low-voltage withdrawable switchgear proposed in this invention.

[0021] Figure 5 is a schematic diagram of the wire-positioning structure of a cabinet welding equipment for manufacturing low-voltage withdrawable switchgear proposed in this invention.

[0022] Figure 6 is an enlarged schematic diagram of part B of Figure 5, showing a cabinet welding equipment for manufacturing low-voltage withdrawable switchgear proposed in this invention.

[0023] Figure 7 is a schematic diagram of the structure of the cabinet welding equipment for manufacturing low-voltage withdrawable switchgear proposed in this invention after welding of the welding wire.

[0024] In the diagram: 1. Main base; 2. Ball head fixing seat; 3. Suction cup; 4. First electric push rod; 5. Fixed side plate; 6. Sliding side frame; 7. Lifting top seat; 8. Fixed top frame; 9. Welded rotating top seat; 10. Sliding top seat; 11. First moving screw; 12. First slide groove; 13. First slide groove block; 14. Fixed side plate top slide groove; 15. Sliding side frame bottom slider; 16. Second moving screw; 17. Limiting slide rod; 18. Welded rotating top seat slider; 19. Second slide groove; 20. Second electric push rod. 21. Push rod; 22. Blow welding main unit; 23. Blow welding exhaust pipe; 24. Wire outlet pipe; 25. Wire inlet pipe; 26. Wax dripping tube head; 27. Fourth electric push rod; 28. Wax liquid conduit; 29. ​​Wax melting machine box; 30. Wax melting chamber; 31. Wire placement main seat; 32. Third electric push rod; 33. Heating coil; 34. Wire placement rotating seat; 35. Welding plate; 361. Welding wire in the placement state; 362. Welding wire in the welding state; 371. Wax block in the placement state; 372. Wax layer in the welding state. Detailed Implementation

[0025] Referring to Figures 1-7, a cabinet welding device for manufacturing low-voltage withdrawable switchgear includes a main base 1. Vertically fixed side plates 5 are bolted to both sides of the main base 1. A first moving mechanism is provided on the top of each of the two fixed side plates 5. The first moving mechanism includes two sliding side frames 6, and a lifting top seat 7 is installed on the top of each of the two sliding side frames 6. A fixed top frame 8 is fixed between the lifting top seats 7 on both sides. A second moving mechanism is provided at the bottom of the fixed top frame 8. The second moving mechanism includes a sliding top seat 10. A welding rotating top seat 9 is installed at the bottom of the base 10. A second electric push rod 20 and a third electric push rod 31 are respectively installed at the bottom of the welding rotating top seat 9. A welding blowing mechanism is fixed at the bottom of the second electric push rod 20, and a wire placement mechanism is fixed at the bottom of the third electric push rod 31. The welding blowing mechanism includes a welding blowing host 21 fixed at the bottom of the second electric push rod 20. A rotating welding blowing exhaust pipe 22 is fixed at the bottom air outlet of the welding blowing host 21. In the operation of the welding equipment, the welding wire is first placed, and then the welding wire is melted and welded by welding blowing.

[0026] Furthermore, the first moving mechanism includes a first sliding groove 12 opened on the side wall of the fixed side plate 5, a sliding side frame bottom slider 15 provided at the bottom of the sliding side frame 6, and the sliding side frame bottom slider 15 is slidably engaged in the first sliding groove 12. A first sliding groove block 13 is fixed at the end of the first sliding groove 12, and a first moving screw 11 is provided inside the first sliding groove 12. The first moving screw 11 and the sliding side frame bottom slider 15 are threadedly connected and installed.

[0027] Furthermore, the second moving mechanism includes two second sliding grooves 19 opened at the bottom of the fixed top frame 8, and two welded rotating top seat sliders 18 are provided on the top of the sliding top seat 10. The two welded rotating top seat sliders 18 are slidably engaged with the two second sliding grooves 19 respectively. A second moving screw 16 is provided inside one of the second sliding grooves 19, and the second moving screw 16 is threadedly engaged with one of the welded rotating top seat sliders 18. A limiting slide rod 17 is provided inside the other second sliding groove 19, and the limiting slide rod 17 is slidably engaged with the other welded rotating top seat slider 18.

[0028] Furthermore, the top of the fixed side plate 5 is provided with a fixed side plate top slide groove 14, and the bottom of the sliding side frame 6 is equipped with two limiting rollers, which are rolled and engaged in the fixed side plate top slide groove 14.

[0029] Furthermore, the wire placement mechanism includes a wire placement main seat 30 fixed at the bottom of the third electric push rod 31, and a wire placement rotating seat 33 is installed at the bottom of the wire placement main seat 30.

[0030] Furthermore, a first servo motor is fixed inside the sliding top seat 10, and the output shaft of the first servo motor is fixed to the top of the welding rotating top seat 9. A second servo motor is fixed inside the wire placing main seat 30, and the output shaft of the second servo motor is fixed to the wire placing rotating seat 33.

[0031] Furthermore, a wire outlet tube 23 is fixed at the bottom of the wire placement rotating seat 33, and a wire inlet tube 24 is fixed at the top of the wire outlet tube 23.

[0032] Furthermore, a wax melting machine box 28 is fixed to one side of the wire-holding main seat 30. A wax melting chamber 29 is opened on the top of the wax melting machine box 28. A heating coil 32 is fitted into the bottom of the wax melting chamber 29. A fourth electric push rod 26 is fixed to the bottom of the wax melting machine box 28. A wax dripping tube head 25 is fixed to the bottom of the fourth electric push rod 26. A wax liquid conduit 27 is installed between one side of the wax melting machine box 28 and the wax dripping tube head 25. The wax liquid conduit 27 is in communication with the interior of the wax melting chamber 29 and the wax dripping tube head 25.

[0033] Furthermore, suction plate mechanisms are installed on the top of the main base 1 and the side wall of the fixed side plate 5. The suction plate mechanism includes four fixed ball head fixing seats 2, and the top of each of the four ball head fixing seats 2 is ball-connected to a first electric push rod 4. The top of each of the four first electric push rods 4 is equipped with a suction cup 3.

[0034] Furthermore, drive motors are installed inside both the fixed side plate 5 and the fixed top frame 8, and the output shafts of the two drive motors are fixed to the shaft ends of the first slide groove 12 and the second moving lead screw 16, respectively.

[0035] When using this invention: After the entire welding equipment is fixed in a suitable position, the suction plate mechanism set on the main base 1 and the fixed side plate 5 of the welding equipment can adsorb and fix the welding plate 34. The adjustment of the four first electric push rods 4 of each suction plate mechanism can adjust the angle of the welding plate 34 adsorbed on its top. The two welding plates 34 waiting to be welded move closer to each other and form a weld position 35.

[0036] The welding process of the welding equipment for the welding plates 34 is divided into two steps: wire placement and welding. During the wire placement process, the welding wire is fed into the wire outlet tube 23 through the wire inlet tube 24 at the top. The welding wire is discharged by the rotation of the wire placement rotating seat 33 and the wire outlet tube 23. The welding wire is placed on the weld position 35 of the two welding plates 34. At this time, the welding wire is in the wire placement state, which is the welding wire 361. The wax melting box 28 on one side of the wire placement main seat 30 contains wax liquid. The melted wax liquid is dripped onto the wire placement state welding wire 361 in sequence through the wax dripping tube head 25 at the bottom. The wax liquid quickly solidifies to form the wire placement state wax block 371. The pre-positioned welding wire 361 is fixed at the weld position 35. Then, the blow welding process is carried out. During the blow welding process, the blow welding host 21 works and blows out high-temperature gas through the blow welding air pipe 22 at the bottom. The gas acts on the pre-positioned wire and melts the welding wire to achieve welding. When the high-temperature blow welding gas acts on the pre-positioned welding wire 361 and the pre-positioned wax block 371, both the welding wire and the wax block melt due to the high temperature. Since the metal welding wire is heavier, the melted welding wire is located at the bottom to form the welding wire 362, and the wax liquid covers the top to form the welding wax layer 372. The two welding plates 34 are then welded together.

[0037] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A cabinet welding device for manufacturing low-voltage withdrawable switchgear, comprising a main base (1), wherein vertically arranged fixed side plates (5) are bolted to both sides of the main base (1), characterized in that, The top of each of the two fixed side plates (5) is provided with a first moving mechanism, which includes a fixed top frame (8). The bottom of the fixed top frame (8) is provided with a second moving mechanism. The bottom of the second moving mechanism is provided with a welding mechanism and a wire placing mechanism. The welding mechanism includes a welding host (21) fixed at the bottom of a second electric push rod (20). A rotating welding exhaust pipe (22) is fixed at the bottom exhaust port of the welding host (21). The wire placing mechanism includes a wire placing main seat fixed at the bottom of a third electric push rod (31). (30), a wire-placement rotating seat (33) is installed at the bottom of the wire-placement main seat (30), a wax melting machine box (28) is fixed on one side of the wire-placement main seat (30), a wax melting chamber (29) is opened at the top of the wax melting machine box (28), a heating coil (32) is fitted at the bottom of the wax melting chamber (29), a fourth electric push rod (26) is fixed at the bottom of the wax melting machine box (28), a wax dripping tube head (25) is fixed at the bottom of the fourth electric push rod (26), and the wax melting machine box A wax conduit (27) is installed between one side of (28) and the wax dripping tube head (25), and the wax conduit (27) is connected to the interior of the wax melting chamber (29) and the wax dripping tube head (25). The bottom of the wire placement rotating seat (33) is fixed with a wire outlet tube (23), and the top of the wire outlet tube (23) is fixed with a wire inlet tube (24). The welding wire is placed on the weld seam of the two welding plates. At this time, the welding wire is in the wire placement state, and the wax melting machine box (28) on one side of the wire placement main seat (30) contains wax liquid, which is discharged through the bottom. The wax dripping tube head (25) sequentially drips the molten wax onto the wire in the wire-positioned state, and the wax quickly solidifies to form a wire-positioned wax block, fixing the wire in the wire-positioned state to the weld position (35); the top of the main base (1) and the side wall of the fixed side plate (5) are both equipped with suction plate mechanisms, the suction plate mechanism includes four fixed ball head fixing seats (2), the top of the four ball head fixing seats (2) are ball-connected with a first electric push rod (4), and the top of the four first electric push rods (4) are all equipped with suction cups (3).

2. The cabinet welding equipment for manufacturing low-voltage withdrawable switchgear according to claim 1, characterized in that, The first moving mechanism includes two sliding side frames (6), each of which is equipped with a lifting top seat (7). A fixed top frame (8) is fixed between the two lifting top seats (7). A first sliding groove (12) is opened on the side wall of the fixed side plate (5). A sliding side frame bottom slider (15) is provided at the bottom of the sliding side frame (6), and the sliding side frame bottom slider (15) is slidably engaged in the first sliding groove (12). A first sliding groove block (13) is fixed at the end of the first sliding groove (12). A first moving screw (11) is provided inside the first sliding groove (12), and the first moving screw (11) is threadedly connected to the sliding side frame bottom slider (15).

3. The cabinet welding equipment for manufacturing low-voltage withdrawable switchgear according to claim 2, characterized in that, The second moving mechanism includes a sliding top seat (10), a welding rotating top seat (9) is installed at the bottom of the sliding top seat (10), a second electric push rod (20) and a third electric push rod (31) are respectively installed at the bottom of the welding rotating top seat (9), a blow welding mechanism is set at the bottom of the second electric push rod (20), a wire placing mechanism is set at the bottom of the third electric push rod (31), two second sliding grooves (19) are opened at the bottom of the fixed top frame (8), and two welding rotating top seat sliders (18) are set at the top of the sliding top seat (10). The two welding rotating top seat sliders (18) are respectively slidably engaged with the two second sliding grooves (19). A second moving screw (16) is set inside one of the second sliding grooves (19), and the second moving screw (16) is threadedly engaged with one of the welding rotating top seat sliders (18). A limit slide rod (17) is set inside the other second sliding groove (19), and the limit slide rod (17) is slidably engaged with the other welding rotating top seat slider (18).

4. The cabinet welding equipment for manufacturing low-voltage withdrawable switchgear according to claim 1, characterized in that, The top of the fixed side plate (5) is provided with a fixed side plate top slide groove (14), and the bottom of the sliding side frame (6) is equipped with two limiting rollers, which are rolled and engaged in the fixed side plate top slide groove (14).

5. The cabinet welding equipment for manufacturing low-voltage withdrawable switchgear according to claim 3, characterized in that, The sliding top seat (10) has a first servo motor fixed inside, and the output shaft of the first servo motor is fixed to the top of the welding rotating top seat (9). The wire placement main seat (30) has a second servo motor fixed inside, and the output shaft of the second servo motor is fixed to the wire placement rotating seat (33).

6. The cabinet welding equipment for manufacturing low-voltage withdrawable switchgear according to claim 3, characterized in that, Both the fixed side plate (5) and the fixed top frame (8) are equipped with drive motors, and the output shafts of the two drive motors are fixed to the shaft ends of the first slide groove (12) and the second moving lead screw (16), respectively.

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