Plate laser cutting device for portable house production

Abstract

The invention discloses a plate laser cutting device for portable house production, and relates to the technical field of portable house plate laser cutting. The pneumatic control mechanism is arranged on the machine tool workbench, a laser generator is arranged on one side of the pneumatic control mechanism, and a laser head is fixedly installed at the bottom of the laser generator; the deburring assembly comprises an arc-shaped inclined plate, an arc-shaped dull polish ring, a circular moving disc, a connecting rod, a sliding block, a reset spring and a traction rod; and a driving mechanism. A high-pressure air pump is used for generating high-pressure air to drive an arc-shaped inclined plate and an arc-shaped dull polish ring to move upwards, when the arc-shaped inclined plate ascends, the arc-shaped inclined plate is extruded and shrunk by a round hole site with a fixed size, in the ascending process, the edge position of the round hole site with the fixed size is subjected to edging and deburring treatment, and the treated hole site is more attractive; and when the four arc-shaped grinding rings are attached to each other, the arc-shaped grinding rings can conduct friction deburring treatment on the interior of the circular hole diameter with the fixed size in the moving process, and the linkage performance is higher.

Description

Technical Field

[0001] The present invention relates to the technical field of laser cutting of plates, and particularly to a laser cutting device for plates used in the production of movable panel houses. Background Art

[0002] A movable panel house refers to a temporary or movable building constructed using light steel structures or other lightweight materials (such as polycarbonate, composite materials, etc.). This type of building form is commonly used in construction sites, exhibitions, post-disaster rescue, temporary residences, etc. In the construction of movable panel houses, a laser cutting device is required to cut and drill holes in the plates of the light steel structure movable panel houses, which can connect bolts, screws, or other fasteners together. Moreover, the laser cutting device can cut and drill holes in a variety of materials, such as metals (stainless steel, aluminum, copper, etc.), plastics, composite materials, etc., with strong adaptability and can also shorten the processing time.

[0003] When the laser cutting device performs circular cutting on the plates of the light steel structure movable panel houses, by melting the metal at high temperature, molten metal will be formed at the edge of the circular hole. These molten metals will not only form burrs when they are just cooled but also affect the appearance. Moreover, due to the large hardness and thickness of the plates of the light steel structure movable panel houses, burrs are more likely to be generated inside the circular hole during laser processing, affecting the quality of the circular hole. Summary of the Invention

[0004] The purpose of the present invention is to provide a laser cutting device for plates used in the production of movable panel houses, which solves the problem that when the laser cutting device performs circular cutting on the plates of the light steel structure movable panel houses, by melting the metal at high temperature, molten metal will be formed at the edge of the circular hole. These molten metals will not only form burrs when they are just cooled but also affect the appearance. Moreover, due to the large hardness and thickness of the plates of the light steel structure movable panel houses, burrs are more likely to be generated inside the circular hole during laser processing, affecting the quality of the circular hole.

[0005] The present invention solves the above technical problems through the following technical solutions. The present invention includes:

[0006] A machine tool workbench;

[0007] A pneumatic control mechanism, the pneumatic control mechanism is arranged on the machine tool workbench, a laser generator is arranged on one side of the pneumatic control mechanism, and a laser head is fixedly installed at the bottom of the laser generator;

[0008] Deburring assembly, the deburring assembly is arranged on one side of the machine tool workbench, the deburring assembly includes an arc-shaped inclined plate, an arc-shaped abrasive ring, a circular moving disk, a connecting rod, a sliding block, a return spring and a traction rod, both sides of the arc-shaped abrasive ring are fixedly installed on the arc-shaped inclined plate, the circular moving disk is arranged inside the arc-shaped abrasive ring, one end of the connecting rod is fixedly installed on the inner wall of the arc-shaped abrasive ring, a chute is opened on the upper surface of the circular moving disk, the sliding block is slidably connected in the chute, the other end of the connecting rod passes through the chute and is fixedly installed on the sliding block, both ends of the return spring are respectively fixedly installed on the sliding block and one side of the inner wall of the chute, and the traction rod is inserted on the circular moving disk;

[0009] Driving mechanism, the driving mechanism is arranged on one side of the circular moving disk, and the driving mechanism is used to provide power support for the movement of the arc-shaped inclined plate and the arc-shaped abrasive ring.

[0010] Preferably, the driving mechanism includes a protective cylinder, a limiting cylinder, a support cylinder, a tension spring, a high-pressure air pump, a nozzle, a storage battery, an upper electrode plate and a lower electrode plate, the protective cylinder is arranged on one side of the machine tool workbench, one end of the support cylinder is fixedly installed at the bottom of the protective cylinder, the limiting cylinder is fixedly installed on the outside of the support cylinder, both ends of the tension spring are respectively fixedly installed on the protective cylinder and the circular moving disk, and the limiting cylinder is sleeved on the tension spring.

[0011] Preferably, the high-pressure air pump is fixedly installed in the support cylinder, the nozzle is fixedly installed on the outside of the support cylinder, and one end of the high-pressure air pump is connected to the nozzle through a pipeline, the storage battery is arranged on one side of the protective cylinder, the upper electrode plate and the lower electrode plate are respectively fixedly installed on the circular moving disk and the support cylinder, both ends of the storage battery are respectively connected to the high-pressure air pump and the upper electrode plate through wires, and the other end of the storage battery is connected to the lower electrode plate through a wire.

[0012] Preferably, moving grooves are opened on both sides of the inner wall of the machine tool workbench, sliders are slidably connected in the moving grooves, a support rod is fixedly installed on one side of the slider, a traction block is arranged inside the machine tool workbench, and the support rod is inserted into the traction block, a connecting plate is fixedly installed on one side of the traction block, and the storage battery is fixedly installed in the connecting plate, and a traction groove is opened in the connecting plate.

[0013] Preferably, a moving block is slidably connected in the traction groove, a driving motor is fixedly installed in the traction groove, a threaded rod is rotatably connected in the traction groove, and the threaded rod is threadedly connected to the moving block, the output end of the driving motor is fixedly installed on the threaded rod, a clamping plate is fixedly installed on one side of the moving block, and the clamping plate is fixedly installed on the protective cylinder.

[0014] Preferably, a fixing plate is fixedly installed on one side of the laser generator. Tracks are provided on both sides of the fixing plate. A cross bar is inserted into the tracks. A placing plate is fixedly installed on one side of the cross bar. An electric telescopic rod is fixedly installed on one side of the inner wall of the fixing plate, and the other end of the electric telescopic rod is fixedly installed on the placing plate. Limit blocks are fixedly installed at both ends of the connecting rod.

[0015] Preferably, a driving oil cylinder is fixedly installed at the bottom of the placing plate. The output end of the driving oil cylinder is fixedly installed with a sector-shaped protective housing. A grinding roller is rotatably connected inside the sector-shaped protective housing. A servo motor is fixedly installed on the outside of the sector-shaped protective housing, and the output end of the servo motor passes through the sector-shaped protective housing and is fixedly installed on the grinding roller.

[0016] Preferably, a groove is provided on one side of the fixing plate. A scale is fixedly installed in the groove. An indicating rod is fixedly installed at one end of the connecting rod.

[0017] Preferably, a circular rubber airbag is fixedly installed on one side of the protective cylinder.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] 1. By using a high-pressure air pump to generate high-pressure gas, the arc-shaped inclined plate and the arc-shaped abrasive ring are driven to move upward. When the arc-shaped inclined plate rises, it will be squeezed by the circular holes with fixed dimensions. During the process of contraction and rising, the edges of the circular holes with fixed dimensions are ground to remove burrs, and the processed holes are more beautiful. When the four arc-shaped abrasive rings are in contact with each other, the arc-shaped abrasive rings can frictionally remove burrs inside the circular aperture with fixed dimensions during the moving process, with stronger linkage. Moreover, the wind force generated by the repeated movement of the circular moving disk can also cool the circular holes after laser cutting, avoiding deformation caused by thermal expansion of the material.

[0020] 2. When the high-pressure air pump works, it will blow the circular moving disk upward, separating the upper electrode plate and the lower electrode plate, and then power off the high-pressure air pump. Through the stretching spring, the arc-shaped inclined plate and the arc-shaped abrasive ring inside the circular moving disk can be pulled back to the original position again, making the upper electrode plate and the lower electrode plate continue to fit and then be powered on. By repeating this operation, energy consumption can be saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure in the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the deburring component in the present invention;

[0023] Figure 3Schematic diagram of the connection structure between the pneumatic control mechanism and the laser generator in the present invention;

[0024] Figure 4 Schematic diagram of the internal structure of the fixing plate in the present invention;

[0025] Figure 5 Schematic diagram of the internal structure of the circular moving plate in the present invention;

[0026] Figure 6 Schematic diagram of the internal structure of the connecting plate in the present invention;

[0027] Figure 7 Schematic diagram of the connection structure between the support rod and the traction block in the present invention;

[0028] Figure 8 Schematic diagram of the driving mechanism structure in the present invention.

[0029] 1. Machine tool workbench; 2. Pneumatic control mechanism; 3. Laser generator; 4. Laser head;

[0030] 5. Deburring component; 51. Arc-shaped inclined plate; 52. Arc-shaped abrasive ring; 53. Circular moving plate; 54. Connecting rod; 55. Sliding block; 56. Return spring; 57. Traction rod;

[0031] 6. Driving mechanism; 61. Protective cylinder; 62. Limiting cylinder; 63. Support cylinder; 64. Tensile spring; 65. High-pressure air pump; 66. Nozzle; 67. Storage battery; 68. Upper electrode plate; 69. Lower electrode plate;

[0032] 7. Slide block; 8. Support rod; 9. Traction block; 10. Connecting plate; 11. Moving block; 12. Driving motor; 13. Threaded rod; 14. Clamping plate; 15. Fixing plate; 16. Cross bar; 17. Placing plate; 18. Electric telescopic rod; 19. Limiting block; 20. Driving oil cylinder; 21. Sector-shaped protective housing; 22. Grinding roller; 23. Servo motor; 24. Scale; 25. Indicator rod; 26. Circular rubber airbag. Detailed implementation manners

[0033] The following further elaborates on the above-mentioned and additional technical features and advantages of the present invention with reference to the accompanying drawings.

[0034] The present invention provides a technical solution: a laser cutting device for plates used in the production of movable panel houses, as Figure 1-8As shown in the figure, it includes a machine tool workbench 1; a pneumatic control mechanism 2, which is arranged on the machine tool workbench 1. A laser generator 3 is arranged on one side of the pneumatic control mechanism 2, and a laser head 4 is fixedly installed at the bottom of the laser generator 3; a deburring component 5, which is arranged on one side of the machine tool workbench 1. The deburring component 5 includes an arc-shaped inclined plate 51, an arc-shaped grinding ring 52, a circular moving disk 53, a connecting rod 54, a sliding block 55, a return spring 56 and a traction rod 57. Both sides of the arc-shaped grinding ring 52 are fixedly installed on the arc-shaped inclined plate 51. The circular moving disk 53 is arranged inside the arc-shaped grinding ring 52. One end of the connecting rod 54 is fixedly installed on the inner wall of the arc-shaped grinding ring 52. A chute is opened on the upper surface of the circular moving disk 53. The sliding block 55 is slidably connected in the chute. The other end of the connecting rod 54 passes through the chute and is fixedly installed on the sliding block 55. Both ends of the return spring 56 are respectively fixedly installed on the sliding block 55 and one side of the inner wall of the chute. The traction rod 57 is inserted into the circular moving disk 53; a driving mechanism 6, which is arranged on one side of the circular moving disk 53, and the driving mechanism 6 is used to provide power support for the movement of the arc-shaped inclined plate 51 and the arc-shaped grinding ring 52.

[0035] As Figure 1-8 shown, the driving mechanism 6 includes a protective cylinder 61, a limiting cylinder 62, a support cylinder 63, a tension spring 64, a high-pressure air pump 65, a nozzle 66, a storage battery 67, an upper electrode plate 68 and a lower electrode plate 69. The protective cylinder 61 is arranged on one side of the machine tool workbench 1. One end of the support cylinder 63 is fixedly installed at the bottom of the protective cylinder 61. The limiting cylinder 62 is fixedly installed on the outside of the support cylinder 63. Both ends of the tension spring 64 are respectively fixedly installed on the protective cylinder 61 and the circular moving disk 53, and the limiting cylinder 62 is sleeved on the tension spring 64. The high-pressure air pump 65 is fixedly installed in the support cylinder 63. The nozzle 66 is fixedly installed on the outside of the support cylinder 63, and one end of the high-pressure air pump 65 is connected to the nozzle 66 through a pipeline. The storage battery 67 is arranged on one side of the protective cylinder 61. The upper electrode plate 68 and the lower electrode plate 69 are respectively fixedly installed on the circular moving disk 53 and the support cylinder 63. Both ends of the storage battery 67 are respectively connected to the high-pressure air pump 65 and the upper electrode plate 68 through wires. The other end of the storage battery 67 is connected to the lower electrode plate 69 through a wire. The limiting cylinder 62 can limit the movement track of the tension spring 64.

[0036] As Figure 1-8As shown in the figure, moving grooves are provided on both sides of the inner wall of the machine tool workbench 1. Sliders 7 are slidably connected in the moving grooves. One side of the slider 7 is fixedly installed with a support rod 8. A traction block 9 is arranged in the machine tool workbench 1, and the support rod 8 is inserted into the traction block 9. One side of the traction block 9 is fixedly installed with a connecting plate 10, and the storage battery 67 is fixedly installed in the connecting plate 10. A traction groove is provided in the connecting plate 10. A moving block 11 is slidably connected in the traction groove. A driving motor 12 is fixedly installed in the traction groove. A threaded rod 13 is rotatably connected in the traction groove, and the threaded rod 13 is threadedly connected to the moving block 11. The output end of the driving motor 12 is fixedly installed on the threaded rod 13. One side of the moving block 11 is fixedly installed with a clamping plate 14, and the clamping plate 14 is fixedly installed on the protective cylinder 61. When the threaded rod 13 rotates, the moving block 11 can move up and down, so that the protective cylinder 61 in the clamping plate 14 can be adjusted.

[0037] As Figure 1-8 shown in the figure, one side of the laser generator 3 is fixedly installed with a fixing plate 15. Tracks are provided on both sides of the fixing plate 15. A cross bar 16 is inserted into the tracks. One side of the cross bar 16 is fixedly installed with a placing plate 17. One side of the inner wall of the fixing plate 15 is fixedly installed with an electric telescopic rod 18, and the other end of the electric telescopic rod 18 is fixedly installed on the placing plate 17. Limit blocks 19 are fixedly installed at both ends of the connecting rod 54. A driving oil cylinder 20 is fixedly installed at the bottom of the placing plate 17. The output end of the driving oil cylinder 20 is fixedly installed with a sector-shaped protective housing 21. A grinding roller 22 is rotatably connected in the sector-shaped protective housing 21. A servo motor 23 is fixedly installed on the outside of the sector-shaped protective housing 21, and the output end of the servo motor 23 passes through the sector-shaped protective housing 21 and is fixedly installed on the grinding roller 22. A groove is provided on one side of the fixing plate 15. A scale 24 is fixedly installed in the groove. One end of the connecting rod 54 is fixedly installed with an indicating rod 25. The sector-shaped protective housing 21 can protect the laser generator 3 when removing the paint on the surface of the movable panel house plate of the light steel structure, and prevent the paint from sticking to the laser generator 3.

[0038] One side of the protective cylinder is fixedly installed with a circular rubber airbag 26. The expansion of the circular rubber airbag 26 can control the fitting of the upper electrode plate 68 and the lower electrode plate 69.

[0039] In use, place the panel of the movable panel house made of light steel structure on the machine tool workbench 1. Then, through an externally connected conveyor belt, the panel can be transported to the bottom of the laser generator 3. Start the driving oil cylinder 20, so that the driving oil cylinder 20 drives the fan-shaped protective shell 21 to move downward, making the outer side of the grinding roller 22 contact the surface of the panel of the movable panel house made of light steel structure. Then start the servo motor 23, and the servo motor 23 can drive the grinding roller 22 to rotate to grind and scrape off the paint on the surface of the panel of the movable panel house made of light steel structure, facilitating subsequent laser drilling. Start the electric telescopic rod 18 to drive the placement plate 17 to move, driving the cross bar 16 to move along the track. The indicating rod 25 provided at one end of the cross bar 16 can align with the scale 24, and the starting position of the scale 24 corresponds to the laser head 4. When the grinding roller 22 removes the paint on the surface of the panel of the movable panel house made of light steel structure, it can also control the distance between the hole positions during laser cutting.

[0040] Adjust the pneumatic control mechanism 2 to make the laser head 4 provided at the bottom of the laser generator 3 perform circular laser cutting on the panel of the movable panel house made of light steel structure. After cutting, the slider 7 can be moved, so that the traction block 9 provided on the support rod 8 slides along the support rod 8, enabling the traction rod 57 to move to the position of the circular hole center formed after laser cutting. Start the driving motor 12 to rotate the threaded rod 13, driving the clamping plate 14 provided on one side of the moving block 11 to move upward, so that the traction rod 57 in the protective cylinder 61 passes through the hole position in the panel of the movable panel house. Then, deflate the circular rubber airbag 26, so that the arc-shaped inclined plate 51 attached to the outer side of the circular rubber airbag 26 moves downward elastically under the action of the tension spring 64, driving the circular moving disk 53 in the arc-shaped grinding ring 52 to move slightly downward. Thus, the upper electrode plate 68 provided at the bottom of the circular moving disk 53 and the lower electrode plate 69 provided on the upper surface of the support cylinder 63 can be made to fit together. At this time, the electric power in the storage battery 67 can be transmitted to the high-pressure air pump 65, making the high-pressure air pump 65 energized to generate high-pressure gas. The high-pressure gas enters the nozzle 66 along the pipeline. Since there are multiple nozzles 66 provided on the outer side of the support cylinder 63, when the high-pressure gas is ejected along the multiple nozzles 66, it will blow the circular moving disk 53 upward along the traction rod 57. When the circular moving disk 53 moves upward, the upper electrode plate 68 and the lower electrode plate 69 will be powered off, thus being able to turn off the high-pressure air pump 65. Then, through the tension spring 64, the upward-moved circular moving disk 53 can be pulled back to the original position again, making the upper electrode plate 68 and the lower electrode plate 69 continue to be powered on. Repeatedly using in this way can save energy consumption. When it is necessary to stop deburring, only need to make the circular rubber airbag 26 fully inflated, and the upper electrode plate 68 and the lower electrode plate 69 can be separated.

[0041] When the circular moving disk 53 is blown by high-pressure gas to move upward along the traction rod 57, one side of the arc-shaped inclined plate 51 will enter into a circular aperture with a fixed size. Then, the arc-shaped inclined plate 51 will be squeezed inside the circular aperture with a fixed size, causing the connecting rod 54 inside the circular moving disk 53 to move inward, driving the sliding block 55 to squeeze the return spring 56 along the chute. Therefore, when the arc-shaped inclined plate 51 is continuously moved upward under extrusion, the abrasive particles arranged on the upper surface of the arc-shaped inclined plate 51 can not only chamfer the edge position of the circular aperture with a fixed size but also remove the burrs at the edge position. When the four arc-shaped abrasive rings 52 are all in contact with each other, a closed loop will be formed, and the diameter of the closed loop is radially fitted to the circular inner hole with a fixed size. At this time, when the arc-shaped abrasive ring 52 enters into the circular aperture with a fixed size, deburring treatment can be carried out on the inside of the aperture. When the arc-shaped inclined plate 51 moves to the other side of the plate of the movable panel house made of light steel structure, the elastic force of the return spring 56 will cause the arc-shaped inclined plate 51 and the arc-shaped abrasive ring 52 to disperse again. Then, due to the elastic force of the tension spring 64 arranged at the bottom of the circular moving disk 53, the arc-shaped inclined plate 51 arranged on the other side of the arc-shaped abrasive ring 52 will re-enter into the circular aperture with a fixed size. Repeating like this, not only can the edge positions on both sides of the aperture be chamfered and deburred, but also the inside of the aperture can be deburred, with stronger linkage, thus improving the quality and safety of the circular hole formed after laser cutting, facilitating better combination during subsequent processing. At the same time, when the arc-shaped inclined plate 51 and the arc-shaped abrasive ring 52 are driven by a high-pressure air pump to move at high speed, a low-pressure area will be formed in the surrounding air, and the air will flow from the high-pressure area to the low-pressure area, which can also cool the position of the circular aperture inside the plate of the movable panel house made of light steel structure, thereby avoiding deformation inside the circular aperture with a fixed size caused by thermal expansion of the material.

[0042] The above are only the preferred embodiments of the present invention, which are illustrative rather than restrictive to the present invention. Those skilled in the art understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present invention, but all will fall within the protection scope of the present invention.

Claims

1. A plate laser cutting device for the production of prefabricated houses, characterized in that: include: Machine tool table (1); A pneumatic control mechanism (2), the pneumatic control mechanism (2) being arranged on the machine tool workbench (1), a laser generator (3) being arranged on one side of the pneumatic control mechanism (2), and a laser head (4) being fixedly mounted on the bottom of the laser generator (3); A deburring assembly (5), the deburring assembly (5) being arranged on one side of the machine tool workbench (1), the deburring assembly (5) comprising an arc-shaped inclined plate (51), an arc-shaped grinding ring (52), a circular movable disk (53), a connecting rod (54), a sliding block (55), a return spring (56) and a traction rod (57), both sides of the arc-shaped grinding ring (52) being fixedly mounted on the arc-shaped inclined plate (51), the circular movable disk (53) being arranged inside the arc-shaped grinding ring (52) , one end of the connecting rod (54) is fixedly mounted on the inner wall of the arc-shaped frosting ring (52), a sliding groove is provided on the upper surface of the circular movable plate (53), the sliding block (55) is slidably connected in the sliding groove, the other end of the connecting rod (54) passes through the sliding groove and is fixedly mounted on the sliding block (55), the two ends of the return spring (56) are respectively fixedly mounted on the sliding block (55) and one side of the inner wall of the sliding groove, and the traction rod (57) is inserted into the circular movable plate (53); A driving mechanism (6), wherein the driving mechanism (6) is arranged on one side of the circular movable plate (53), and the driving mechanism (6) is used to provide power support for the movement of the arc-shaped inclined plate (51) and the arc-shaped grinding ring (52).

2. The plate laser cutting device for the production of prefabricated houses according to claim 1 is characterized in that: The driving mechanism (6) comprises a protective cylinder (61), a limiting cylinder (62), a supporting cylinder (63), a tension spring (64), a high-pressure air pump (65), a nozzle (66), a storage battery (67), an upper electrode sheet (68) and a lower electrode sheet (69); the protective cylinder (61) is arranged on one side of the machine tool worktable (1); one end of the supporting cylinder (63) is fixedly mounted on the bottom of the protective cylinder (61); the limiting cylinder (62) is fixedly mounted on the outside of the supporting cylinder (63); two ends of the tension spring (64) are respectively fixedly mounted on the protective cylinder (61) and the circular movable disk (53); and the limiting cylinder (62) is sleeved on the tension spring (64).

3. The plate laser cutting device for the production of prefabricated houses according to claim 2 is characterized in that: The high-pressure air pump (65) is fixedly installed in the support tube (63), the nozzle (66) is fixedly installed on the outside of the support tube (63), and one end of the high-pressure air pump (65) is connected to the nozzle (66) through a pipeline. The battery (67) is arranged on one side of the protective tube (61), and the upper electrode sheet (68) and the lower electrode sheet (69) are respectively fixedly installed on the circular movable disk (53) and the support tube (63). The two ends of the battery (67) are respectively connected to the high-pressure air pump (65) and the upper electrode sheet (68) through electric wires, and the other end of the battery (67) is connected to the lower electrode sheet (69) through electric wires.

4. The plate laser cutting device for producing prefabricated houses according to claim 2 is characterized in that: Both sides of the inner wall of the machine tool worktable (1) are provided with movable grooves, a slider (7) is slidably connected in the movable groove, a support rod (8) is fixedly installed on one side of the slider (7), a traction block (9) is arranged in the machine tool worktable (1), and the support rod (8) is inserted into the traction block (9), a connecting plate (10) is fixedly installed on one side of the traction block (9), and the battery (67) is fixedly installed in the connecting plate (10), and a traction groove is provided in the connecting plate (10).

5. The plate laser cutting device for producing prefabricated houses according to claim 2 is characterized in that: A moving block (11) is slidably connected in the traction groove, a driving motor (12) is fixedly installed in the traction groove, a threaded rod (13) is rotatably connected in the traction groove, and the threaded rod (13) is threadedly connected to the moving block (11), an output end of the driving motor (12) is fixedly installed on the threaded rod (13), a clamping plate (14) is fixedly installed on one side of the moving block (11), and the clamping plate (14) is fixedly installed on the protective tube (61).

6. The plate laser cutting device for producing prefabricated houses according to claim 1 is characterized in that: A fixing plate (15) is fixedly mounted on one side of the laser generator (3), tracks are provided on both sides of the fixing plate (15), a cross bar (16) is inserted into the track, a placement plate (17) is fixedly mounted on one side of the cross bar (16), an electric telescopic rod (18) is fixedly mounted on one side of the inner wall of the fixing plate (15), and the other end of the electric telescopic rod (18) is fixedly mounted on the placement plate (17), and limit blocks (19) are fixedly mounted on both ends of the connecting rod (54).

7. The plate laser cutting device for producing prefabricated houses according to claim 6, characterized in that: A driving cylinder (20) is fixedly mounted on the bottom of the placement plate (17); a fan-shaped protective shell (21) is fixedly mounted on the output end of the driving cylinder (20); a grinding roller (22) is rotatably connected inside the fan-shaped protective shell (21); a servo motor (23) is fixedly mounted on the outside of the fan-shaped protective shell (21); and the output end of the servo motor (23) passes through the fan-shaped protective shell (21) and is fixedly mounted on the grinding roller (22).

8. The plate laser cutting device for producing prefabricated houses according to claim 6, characterized in that: A groove is formed on one side of the fixing plate (15), a scale (24) is fixedly installed in the groove, and an indicator rod (25) is fixedly installed on one end of the connecting rod (54).

9. The plate laser cutting device for producing prefabricated houses according to claim 1, characterized in that: A circular rubber air bag (26) is fixedly mounted on one side of the protective tube.

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