An automatic cutting device for the production of high and low voltage switchgear

Abstract

This invention relates to the field of power distribution cabinet cutting technology, and more particularly to an automatic cutting device for the production of high and low voltage power distribution cabinets. The device includes a main plate, with a grinding and cutting mechanism at the upper end of the main plate for V-shaped grinding and laser cutting of an arc-shaped metal plate. The grinding and cutting mechanism includes two symmetrically arranged second guide grooves on the upper end of the main plate. Second guide blocks are slidably connected to the main plate within each of the two second guide grooves. Fourth electric telescopic rods are fixedly connected to the upper ends of the two second guide blocks. A clamping mechanism for holding the arc-shaped metal plate is provided at the upper end of the main plate. A second ring drives a connecting rod to rotate, thereby driving a drill bit to rotate. When the drill bit performs V-shaped grinding on the metal plate, the waste material produced is connected to a magnetic rod under the action of magnetic force, preventing contact with the waste material during subsequent laser cutting and improving the efficiency of laser cutting.

Description

Technical Field

[0001] This invention relates to the field of electrical distribution cabinet cutting technology, and in particular to an automatic cutting device for the production of high and low voltage electrical distribution cabinets. Background Technology

[0002] Laser cutting utilizes a high-energy-density laser beam focused on the surface of cold-rolled steel plates, stainless steel plates, and other metal sheets used in distribution cabinets, causing the material to melt or vaporize instantly. The cutting head is then driven by a CNC system to move along a preset trajectory, thus achieving high-precision, non-contact cutting of the sheet metal. In the production of distribution cabinets, it can efficiently complete the one-time forming of irregular contours, mounting holes, heat dissipation holes, cable holes, and other structures of various components such as cabinets, doors, and mounting plates. It has advantages such as high precision, good flexibility, no mold loss, and excellent cut quality. The cut metal sheets are then welded together, and insulated cables are typically placed inside the distribution cabinet.

[0003] After metal sheets are laser-cut, sharp burrs are produced on the cut surface. These burrs can remain on the inner side of the distribution cabinet after subsequent welding, easily causing damage to the insulation layer of cables. Therefore, the metal sheets need to be ground after cutting, which is a complex process with low operating efficiency. The surface of the metal sheets generally has an oxide layer, and the melting point of the oxide layer is higher than that of the metal itself. Existing laser cutting machines need to provide a temperature higher than the melting point of the metal itself during cutting, which leads to a significant increase in the energy consumption of the laser cutting machine. At the same time, temperatures higher than the melting point of the metal sheet will cause increased deformation of the metal sheet, reducing the forming quality of the metal sheet. Existing laser cutting devices cannot cut curved metal sheets perpendicularly. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of the prior art by proposing an automatic cutting device for the production of high and low voltage switchgear.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: an automatic cutting device for the production of high and low voltage distribution cabinets, comprising a main plate, wherein a grinding and cutting mechanism for V-shaped grinding and laser cutting of an arc-shaped metal plate is provided at the upper end of the main plate, the grinding and cutting mechanism comprising two second guide grooves symmetrically opened at the upper end of the main plate, wherein a second guide block is slidably connected to the main plate in the two second guide grooves respectively, a fourth electric telescopic rod is fixedly connected to the upper end of the two second guide blocks respectively, a first fixing body is fixedly connected to the telescopic ends of the two fourth electric telescopic rods respectively, a third motor is fixedly connected to the inner side of the two first fixing bodies respectively, a second fixing body is fixedly connected to the drive shaft ends of the two third motors, and a clamping mechanism for clamping the arc-shaped metal plate is provided at the upper end of the main plate.

[0006] Preferably, the lower end of the second fixing body is provided with a third guide groove, a sliding plate is slidably connected to the second fixing body in the third guide groove, a seventh motor is fixedly connected to the second fixing body in the third guide groove, a third threaded rod is fixedly connected to the drive shaft end of the seventh motor in the third guide groove, the third threaded rod is configured to cooperate with the sliding plate, an eighth motor is fixedly connected to the main body plate in each of the two second guide grooves, a fourth threaded rod is fixedly connected to the drive shaft end of the eighth motor in the second guide groove, and the side of the fourth threaded rod is configured to cooperate with the second guide block.

[0007] Preferably, a second slot is provided at the lower end of the sliding plate, a rotating plate is provided in the second slot of the sliding plate, a fourth motor is fixedly connected to the side of the sliding plate, the drive shaft end of the fourth motor is fixedly connected to the side of the rotating plate, a sixth electric telescopic rod is fixedly connected to the lower end of the rotating plate, and a third fixing body is fixedly connected to the telescopic end of the sixth electric telescopic rod.

[0008] Preferably, the upper end of the third fixing body has a cavity, the lower end of the third fixing body has a first slot, the third fixing body has a second through hole communicating with the cavity and the first slot, and the upper end of the third fixing body is connected to a magnetic plate through a threaded structure.

[0009] Preferably, a magnetic rod penetrating the second through hole is fixedly connected to the lower end of the magnetic plate, and a multi-stage electric telescopic rod is symmetrically connected to the lower end of the magnetic plate. An annular airbag is fixedly connected to the telescopic ends of the two multi-stage electric telescopic rods.

[0010] Preferably, the third fixing body is rotatably connected to the second ring in the first slot, the third fixing body has a third slot, the third fixing body is fixedly connected to the fifth motor in the rotating plate, the transmission shaft end of the fifth motor is fixedly connected to the first gear, the first gear is meshed with the inner side of the second ring, the inner side of the second ring is symmetrically connected to two connecting rods fixed by threads, and the ends of the two connecting rods are fixedly connected to drill bits.

[0011] Preferably, the lower end of the third fixing body is provided with a fourth slot, and the third fixing body is rotatably connected to a first ring within the fourth slot.

[0012] Preferably, the third fixing body is fixedly connected to a sixth motor in the fourth slot, the transmission shaft end of the sixth motor is fixedly connected to a second gear, the inner side of the first ring is meshed with the second gear, the inner side of the first ring is fixedly connected to a fifth electric telescopic rod, and the telescopic end of the fifth electric telescopic rod is fixedly connected to a laser cutter.

[0013] Preferably, the clamping mechanism includes two symmetrically arranged first guide grooves on the upper part of the main body plate. A plurality of first guide blocks are slidably connected to the main body plate in the first guide grooves. A first motor is symmetrically connected to the side of the main body plate. The drive shaft ends of the two first motors are connected to first threaded rods in the first guide grooves. A first through hole is opened through the ends of the plurality of first guide blocks. A rotating ring is respectively arranged in the first through hole of the plurality of first guide blocks. A plurality of first placement grooves are opened on the side of the plurality of rotating rings. A third electric telescopic rod is fixedly connected in the first placement groove. A top block is fixedly connected to the telescopic end of the plurality of third electric telescopic rods. The inner side of the plurality of rotating rings is respectively configured to cooperate with the first threaded rod.

[0014] Preferably, a first electric telescopic rod is fixedly connected to the upper end of each of the first guide blocks, a second electric telescopic rod is fixedly connected to the telescopic end of each of the first electric telescopic rods, a second motor is fixedly connected to the telescopic end of each of the second electric telescopic rods, a dual-axis electric telescopic rod is fixedly connected to the drive shaft end of each of the second motors, a connecting plate is fixedly connected to the telescopic end of each of the dual-axis electric telescopic rods, a clamping plate is fixedly connected to the inner side of each of the connecting plates, and a video detector is provided on the side of each of the dual-axis electric telescopic rods.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The second motor drives the dual-axis electric telescopic rod to rotate at the same angle as the arc of the metal plate end. Then the second electric telescopic rod extends and the dual-axis electric telescopic rod retracts, thereby clamping metal plates with different curvatures. During grinding and cutting, the eighth motor drives the fourth threaded rod to rotate. The fourth threaded rod drives the second guide block to move back and forth. At the same time, the seventh motor drives the third threaded rod to rotate. The third threaded rod works together to move the sliding plate to the grinding and cutting position. Simultaneously, the third motor drives the third fixed body to rotate laterally, and the fourth motor drives the rotating plate to rotate longitudinally. This allows the third fixed body to perform vertical grinding and cutting on metal plates with different curvatures, improving the cutting quality of the metal plates after cutting. 2. The fifth motor drives the first gear to rotate, which in turn drives the second ring to rotate. The second ring drives the connecting rod to rotate, which in turn drives the drill bit to rotate. When the drill bit is V-grinding the metal plate, the waste material produced by grinding is connected to the magnetic rod under the action of magnetic force, which can prevent it from contacting the waste material during subsequent laser cutting and improve the efficiency of laser cutting. When grinding for a long time, the multi-stage electric telescopic rod extends, which moves the annular airbag to the lower end of the magnetic rod. Then the annular airbag is inflated. The inflated annular airbag moves upward under the action of the multi-stage electric telescopic rod, so that the waste material produced by grinding is adsorbed at the lower end of the magnetic plate, preventing burrs from appearing after the metal plate is cut. 3. The sixth motor drives the fifth electric telescopic rod to rotate to the appropriate position. At the same time, the fifth electric telescopic rod extends and retracts, moving the laser cutter to the polished position. The laser cutter is then activated to cut the polished metal plate. Since the metal plate has a small curvature and the distance between the laser cutter and the drill bit is very close, it can be approximated that the angles of the laser cutter and the drill bit are consistent, thereby achieving perpendicular cutting of the metal plate, preventing the laser cutter from contacting the oxide on the surface of the metal plate, and improving cutting efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is an overall sectional view of the present invention; Figure 3 This is a partial structural diagram of the present invention; Figure 4 Partial cross-section of the present invention Figure 1 ; Figure 5 Partial cross-section of the present invention Figure 2 ; Figure 6 Partial cross-section of the present invention Figure 3 ; Figure 7 For the present invention Figure 2 Enlarged view of point A; Figure 8 For the present invention Figure 2 Enlarged view of point B; Figure 9 For the present invention Figure 2 Enlarged view of point C; Figure 10 For the present invention Figure 4 Enlarged view of point D; Figure 11 For the present invention Figure 5 Enlarged view of point E.

[0017] 1. Main body plate; 2. Clamping mechanism; 3. Grinding and cutting mechanism; 21. First motor; 22. First electric telescopic rod; 23. Second electric telescopic rod; 24. First guide groove; 25. Rotating ring; 26. First placement groove; 27. Third electric telescopic rod; 28. Top block; 29. ​​Second motor; 210. Dual-axis electric telescopic rod; 211. Connecting plate; 212. Clamping plate; 213. First guide block; 214. First through hole; 215. First threaded rod; 31. Second guide groove; 32. Second guide block; 33. Fourth electric telescopic rod; 34. First fixing body; 35. Third motor; 36. Second fixing body; 37. Third fixing body; 39. First 310. Ring; 311. Fifth electric telescopic rod; 312. Laser cutter; 313. Connecting rod; 314. Drill bit; 315. Cavity; 316. Magnetic plate; 317. Multi-stage electric telescopic rod; 318. Second through hole; 319. Annular airbag; 320. Magnetic rod; 321. First slot; 322. Second ring; 323. Third guide slot; 324. Third threaded rod; 325. Sliding plate; 326. Second slot; 327. Rotating plate; 328. Sixth electric telescopic rod; 329. Third slot; 330. Fifth motor; 331. First gear; 332. Fourth slot; 333. Sixth motor; 334. Second gear. Detailed Implementation

[0018] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0019] Please see Figure 1 - Figure 11 An automatic cutting device for the production of high and low voltage distribution cabinets includes a main plate 1, and a grinding and cutting mechanism 3 for V-shaped grinding and laser cutting of arc-shaped metal plates is provided on the upper end of the main plate 1.

[0020] In this embodiment, the grinding and cutting mechanism 3 includes two second guide grooves 31 symmetrically opened on the upper end of the main body plate 1. The main body plate 1 is slidably connected to the two second guide grooves 31 respectively. The upper ends of the two second guide blocks 32 are respectively fixedly connected to the fourth electric telescopic rods 33. The telescopic ends of the two fourth electric telescopic rods 33 are respectively fixedly connected to the first fixing body 34. The inner sides of the two first fixing bodies 34 are respectively fixedly connected to the third motors 35. The transmission shaft ends of the two third motors 35 are fixedly connected to the second fixing body 36.

[0021] The lower end of the second fixing body 36 is provided with a third guide groove 322. A sliding plate 324 is slidably connected to the second fixing body 36 in the third guide groove 322. A seventh motor is fixedly connected to the second fixing body 36 in the third guide groove 322. A third threaded rod 323 is fixedly connected to the drive shaft end of the seventh motor in the third guide groove 322. The third threaded rod 323 is configured to cooperate with the sliding plate 324. An eighth motor is fixedly connected to the main body plate 1 in each of the two second guide grooves 31. A fourth threaded rod is fixedly connected to the drive shaft end of the eighth motor in the second guide groove 31. The side of the fourth threaded rod is configured to cooperate with the second guide block 32.

[0022] The lower end of the sliding plate 324 is provided with a second slot 325. A rotating plate 327 is provided in the second slot 325. A fourth motor 326 is fixedly connected to the side of the sliding plate 324. The drive shaft end of the fourth motor 326 is fixedly connected to the side of the rotating plate 327. A sixth electric telescopic rod 328 is fixedly connected to the lower end of the rotating plate 327. A third fixing body 37 is fixedly connected to the telescopic end of the sixth electric telescopic rod 328.

[0023] The upper end of the third fixing body 37 is provided with a cavity 314, the lower end of the third fixing body 37 is provided with a first slot 320, the third fixing body 37 is provided with a second through hole 317 communicating with the cavity 314 and the first slot 320, and the upper end of the third fixing body 37 is connected to a magnetic plate 315 through a threaded structure.

[0024] The lower end of the magnetic plate 315 is fixedly connected to a magnetic rod 319 that passes through the second through hole 317. The lower end of the magnetic plate 315 is symmetrically connected to a multi-stage electric telescopic rod 316. The telescopic ends of the two multi-stage electric telescopic rods 316 are fixedly connected to an annular airbag 318.

[0025] The third fixing body 37 is rotatably connected to the second ring 321 in the first slot 320. The third fixing body 37 has a third slot 329. The third fixing body 37 is fixedly connected to the fifth motor 330 in the rotating plate 327. The transmission shaft end of the fifth motor 330 is fixedly connected to the first gear 331. The first gear 331 is meshed with the inner side of the second ring 321. The inner side of the second ring 321 is symmetrically connected to two connecting rods 312 fixed by threads. The ends of the two connecting rods 312 are fixedly connected to drill bits 313.

[0026] The lower end of the third fixing body 37 is provided with a fourth slot 332, and the third fixing body 37 is rotatably connected to a first ring 39 within the fourth slot 332.

[0027] The third fixing body 37 is fixedly connected to the sixth motor 333 in the fourth slot 332. The transmission shaft end of the sixth motor 333 is fixedly connected to the second gear 334. The inner side of the first ring 39 is meshed with the second gear 334. The inner side of the first ring 39 is fixedly connected to the fifth electric telescopic rod 310. The telescopic end of the fifth electric telescopic rod 310 is fixedly connected to the laser cutter 311.

[0028] Specifically, the fifth motor 330 drives the first gear 331 to rotate, the first gear 331 in turn drives the second ring 321 to rotate, the second ring 321 drives the connecting rod 312 to rotate, thereby driving the drill bit 313 to rotate. When the drill bit 313 grinds the metal plate in a V-shape, the waste material produced by grinding is connected to the magnetic rod 319 under the action of magnetic force, which can prevent contact with the waste material during subsequent laser cutting and improve the efficiency of laser cutting. When grinding for a long time, the multi-stage electric telescopic rod 316 extends, driving the annular airbag 318 to move to the lower end of the magnetic rod 319. Then the annular airbag 318 is inflated. After inflation, the annular airbag 318 moves upward under the drive of the multi-stage electric telescopic rod 316, so that the waste material produced by grinding is adsorbed at the lower end of the magnetic plate 315.

[0029] In this embodiment, the upper end of the main body plate 1 is provided with a clamping mechanism 2 for clamping the arc-shaped metal plate.

[0030] The clamping mechanism 2 includes two symmetrically opened first guide grooves 24 on the upper end of the main body plate 1. A plurality of first guide blocks 213 are slidably connected to the main body plate 1 in the first guide grooves 24. A first motor 21 is symmetrically connected to the side of the main body plate 1. The drive shaft ends of the two first motors 21 are connected to first threaded rods 215 in the first guide grooves 24. A first through hole 214 is opened through the ends of the plurality of first guide blocks 213. A rotating ring 25 is respectively arranged in the first through hole 214 of the plurality of first guide blocks 213. A plurality of first placement grooves 26 are respectively opened on the side of the plurality of rotating rings 25. A third electric telescopic rod 27 is fixedly connected in the first placement groove 26. A top block 28 is fixedly connected to the telescopic ends of the plurality of third electric telescopic rods 27. The inner side of the plurality of rotating rings 25 is respectively configured to cooperate with the first threaded rod 215.

[0031] A first electric telescopic rod 22 is fixedly connected to the upper end of a plurality of first guide blocks 213. A second electric telescopic rod 23 is fixedly connected to the telescopic end of a plurality of first electric telescopic rods 22. A second motor 29 is fixedly connected to the telescopic end of a plurality of second electric telescopic rods 23. A dual-axis electric telescopic rod 210 is fixedly connected to the drive shaft end of a plurality of second motors 29. A connecting plate 211 is fixedly connected to the telescopic end of a plurality of dual-axis electric telescopic rods 210. A clamping plate 212 is fixedly connected to the inner side of a plurality of connecting plates 211. A video detector is provided on the side of a plurality of dual-axis electric telescopic rods 210.

[0032] Specifically, the two first motors 21 start, and at the same time, the third electric telescopic rods 27 on the sides of several rotating rings 25 extend and retract according to the length of the metal plate, so that the first threaded rods 215 drive the first guide blocks 213 to move to the appropriate positions. Then, several first electric telescopic rods 22 extend and retract, and the first electric telescopic rods 22 drive the second electric telescopic rods 23 to move to a position horizontal with the side of the metal plate. Then, the second motor 29 rotates, and the second motor 29 drives the dual-axis electric telescopic rod 210 to rotate at the same angle as the arc of the end of the metal plate. Then, the second electric telescopic rod 23 extends, and the dual-axis electric telescopic rod 210 retracts, thereby clamping the metal plates with different curvatures.

[0033] In use, the main body plate 1 is placed on a horizontal surface, and then a flat or curved metal plate is placed on top of the main body plate 1. The two first motors 21 are then activated. Simultaneously, the third electric telescopic rods 27 on the sides of several rotating rings 25 extend and retract according to the length of the metal plate, causing the first threaded rods 215 to move the first guide blocks 213 to appropriate positions. Then, the several first electric telescopic rods 22 extend and retract, moving the second electric telescopic rods 23 to a position horizontal to the side of the metal plate. Finally, the second motor 29 rotates, causing the dual-axis electric telescopic rod 210 to rotate at the same angle as the curved end of the metal plate. Then, the second electric telescopic rod 23 extends, and the dual-axis electric telescopic rod 210 retracts, thereby clamping metal plates with different curvatures. During grinding and cutting, the eighth motor drives the fourth threaded rod to rotate, and the fourth threaded rod drives the second guide block 32 to move back and forth. At the same time, the seventh motor drives the third threaded rod 323 to rotate, and the third threaded rod 323 cooperates to move the sliding plate 324 to the grinding and cutting position. Simultaneously, the third motor 35 drives the third fixed body 37 to rotate laterally, and the fourth motor 326 drives the rotating plate 327 to rotate longitudinally, thereby enabling the third fixed body 37 to perform vertical grinding and cutting on metal plates with different curvatures, improving the cutting quality of the metal plates after cutting.

[0034] After the third fixing body 37 is moved to the cutting position, it can be replaced with a drill bit 313 suitable for metal plates of different thicknesses via the connecting rod 312. Then, the fifth motor 330 rotates, which drives the first gear 331 to rotate. The first gear 331, in turn, drives the second ring 321 to rotate, which in turn drives the connecting rod 312 to rotate, thereby driving the drill bit 313 to rotate. When the drill bit 313 performs V-shaped grinding on the metal plate, the waste material produced during grinding connects with the magnetic rod 319 under the action of magnetic force. This can prevent contact with waste materials during subsequent laser cutting and improve the efficiency of laser cutting. When grinding for a long time, the multi-stage electric telescopic rod 316 extends, driving the annular airbag 318 to move to the lower end of the magnetic rod 319. Then the annular airbag 318 is inflated. After inflation, the annular airbag 318 moves upward under the drive of the multi-stage electric telescopic rod 316, so that the waste materials generated by grinding are adsorbed at the lower end of the magnetic plate 315. After the cutting is completed, the third fixing body 37 can be removed, and then the magnetic plate 315 can be opened to clean up the waste materials.

[0035] After the rotating drill bit 313 grinds the upper surface of the metal plate, the sixth motor 333 starts. The sixth motor 333 drives the fifth electric telescopic rod 310 to rotate to the appropriate position. At the same time, the fifth electric telescopic rod 310 extends and retracts, driving the laser cutter 311 to move to the ground position. The laser cutter 311 is then started to cut the ground metal plate. Since the curvature of the metal plate is small and the distance between the laser cutter 311 and the drill bit 313 is very close, it can be approximately assumed that the angles of the laser cutter 311 and the drill bit 313 are consistent, thereby achieving perpendicular cutting of the metal plate, preventing the laser cutter 311 from contacting the oxide on the surface of the metal plate, and improving the cutting efficiency.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. An automatic cutting device for the production of high and low voltage switchgear, comprising a main body plate (1), characterized in that: The upper end of the main plate (1) is provided with a grinding and cutting mechanism (3) for V-shaped grinding and laser cutting of the arc-shaped metal plate. The grinding and cutting mechanism (3) includes two second guide grooves (31) symmetrically opened on the upper end of the main plate (1). The main plate (1) is slidably connected with second guide blocks (32) in the two second guide grooves (31). The upper ends of the two second guide blocks (32) are respectively fixedly connected with fourth electric telescopic rods (33). The telescopic ends of the two fourth electric telescopic rods (33) are respectively fixedly connected with first fixing bodies (34). The inner sides of the two first fixing bodies (34) are respectively fixedly connected with third motors (35). The transmission shaft ends of the two third motors (35) are fixedly connected with second fixing bodies (36). The upper end of the main plate (1) is provided with a clamping mechanism (2) for clamping the arc-shaped metal plate.

2. The automatic cutting equipment for producing high and low voltage switchgear according to claim 1, characterized in that: The second fixing body (36) has a third guide groove (322) at its lower end. The second fixing body (36) is slidably connected to a sliding plate (324) in the third guide groove (322). The second fixing body (36) is fixedly connected to a seventh motor in the third guide groove (322). The drive shaft end of the seventh motor is fixedly connected to a third threaded rod (323) in the third guide groove (322). The third threaded rod (323) is configured to cooperate with the sliding plate (324). The main body plate (1) is fixedly connected to an eighth motor in two second guide grooves (31). The drive shaft end of the eighth motor is fixedly connected to a fourth threaded rod in the second guide groove (31). The side of the fourth threaded rod is configured to cooperate with the second guide block (32).

3. The automatic cutting equipment for producing high and low voltage switchgear according to claim 2, characterized in that: The lower end of the sliding plate (324) is provided with a second slot (325). A rotating plate (327) is provided in the second slot (325) of the sliding plate (324). A fourth motor (326) is fixedly connected to the side of the sliding plate (324). The drive shaft end of the fourth motor (326) is fixedly connected to the side of the rotating plate (327). A sixth electric telescopic rod (328) is fixedly connected to the lower end of the rotating plate (327). A third fixing body (37) is fixedly connected to the telescopic end of the sixth electric telescopic rod (328).

4. The automatic cutting equipment for producing high and low voltage switchgear according to claim 3, characterized in that: The upper end of the third fixing body (37) is provided with a cavity (314), the lower end of the third fixing body (37) is provided with a first slot (320), the third fixing body (37) is provided with a second through hole (317) communicating with the cavity (314) and the first slot (320), and the upper end of the third fixing body (37) is connected to a magnetic plate (315) through a threaded structure.

5. The automatic cutting equipment for producing high and low voltage switchgear according to claim 4, characterized in that: The lower end of the magnetic plate (315) is fixedly connected to a magnetic rod (319) that passes through the second through hole (317). The lower end of the magnetic plate (315) is symmetrically connected to a multi-stage electric telescopic rod (316). The telescopic ends of the two multi-stage electric telescopic rods (316) are fixedly connected to an annular airbag (318).

6. The automatic cutting equipment for producing high and low voltage switchgear according to claim 4, characterized in that: The third fixing body (37) is rotatably connected to the second ring (321) in the first slot (320). The third fixing body (37) has a third slot (329). The third fixing body (37) is fixedly connected to the fifth motor (330) in the rotating plate (327). The transmission shaft end of the fifth motor (330) is fixedly connected to the first gear (331). The first gear (331) meshes with the inner side of the second ring (321). The inner side of the second ring (321) is symmetrically connected to two connecting rods (312) fixed by threads. The ends of the two connecting rods (312) are fixedly connected to drill bits (313).

7. The automatic cutting equipment for producing high and low voltage switchgear according to claim 3, characterized in that: The lower end of the third fixing body (37) is provided with a fourth slot (332), and the third fixing body (37) is rotatably connected to a first ring (39) in the fourth slot (332).

8. An automatic cutting device for producing high and low voltage switchgear according to claim 7, characterized in that: The third fixing body (37) is fixedly connected to the sixth motor (333) in the fourth slot (332). The transmission shaft end of the sixth motor (333) is fixedly connected to the second gear (334). The inner side of the first ring (39) is meshed with the second gear (334). The inner side of the first ring (39) is fixedly connected to the fifth electric telescopic rod (310). The telescopic end of the fifth electric telescopic rod (310) is fixedly connected to the laser cutter (311).

9. An automatic cutting device for producing high and low voltage switchgear according to claim 1, characterized in that: The clamping mechanism (2) includes two first guide grooves (24) symmetrically opened on the upper end of the main body plate (1). The main body plate (1) has several first guide blocks (213) slidably connected in the first guide grooves (24). The side of the main body plate (1) is symmetrically connected to a first motor (21). The transmission shaft ends of the two first motors (21) are connected to a first threaded rod (215) in the first guide grooves (24). The ends of the several first guide blocks (213) are provided with first through holes (214). The several first guide blocks (213) are respectively provided with rotating rings (25) in the first through holes (214). The sides of the several rotating rings (25) are respectively provided with several first placement grooves (26). The first placement grooves (26) are respectively fixedly connected with third electric telescopic rods (27). The telescopic ends of the several third electric telescopic rods (27) are respectively fixedly connected with top blocks (28). The inner sides of the several rotating rings (25) are respectively configured to cooperate with the first threaded rods (215).

10. An automatic cutting device for producing high and low voltage switchgear according to claim 9, characterized in that: A first electric telescopic rod (22) is fixedly connected to the upper end of a plurality of first guide blocks (213). A second electric telescopic rod (23) is fixedly connected to the telescopic ends of a plurality of first electric telescopic rods (22). A second motor (29) is fixedly connected to the telescopic ends of a plurality of second electric telescopic rods (23). A dual-axis electric telescopic rod (210) is fixedly connected to the drive shaft ends of a plurality of second motors (29). A connecting plate (211) is fixedly connected to the telescopic ends of a plurality of dual-axis electric telescopic rods (210). A clamping plate (212) is fixedly connected to the inner side of a plurality of connecting plates (211). A video detector is provided on the side of a plurality of dual-axis electric telescopic rods (210).

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