A fully numerically controlled cutting mechanism for steel and wood furniture and a cutting method thereof

Abstract

The present invention discloses a fully CNC cutting mechanism for steel and wood furniture, comprising a base, a sliding mechanism is arranged on the base, a fixed seat is arranged on the sliding mechanism, a laser cutting head is arranged on the fixed seat, a smoke and dust collecting mechanism is arranged on the fixed seat, an exhaust mechanism is arranged outside the base, a waste sorting mechanism is arranged inside the base, a plate is placed on the waste sorting mechanism, a support plate is welded outside the base, and a water tank is placed on the support plate. The present invention relates to a fully CNC cutting mechanism for steel and wood furniture and a cutting method thereof, which has the characteristics of no smoke and dust on site during cutting and automatic falling of waste.

Description

Technical Field

[0001] The invention belongs to the technical field of steel-wood furniture production equipment, and specifically relates to a full-numerical control cutting mechanism for steel-wood furniture and a cutting method thereof. Background Art

[0002] Steel-wood furniture originally refers to furniture made of "steel-wood", but the concept has been "expanded" by merchants, and "steel-wood furniture" is no longer simply made of "steel-wood". "Steel-wood" is a "non-flammable" synthetic material, and the tables and chairs made of it are widely used in public places such as waiting rooms, restaurants, and theaters. The processing of existing steel-wood furniture has been automated, and it is fully controlled by PLC with high precision and good processing quality in conjunction with CNC laser cutting machines. However, when the existing CNC laser cutting machines process the raw material plates of steel-wood furniture, a large amount of smoke and flying scraps will be generated on site, which will cause discomfort or even harm to the staff on site. At the same time, after the raw material plates are cut and processed, part of the cut waste will adhere to the plates, and the staff will need to knock them manually in the later stage, which is time-consuming and laborious. Therefore, it is necessary to improve the existing technology. Summary of the invention

[0003] The purpose of the present invention is to provide a fully CNC cutting mechanism for steel and wood furniture and a cutting method thereof in order to solve the above problems, thereby solving the problems mentioned in the background technology.

[0004] In order to solve the above problems, the present invention provides a technical solution:

[0005] A fully CNC cutting mechanism for steel and wood furniture comprises a base, a sliding mechanism is arranged on the base, a fixed seat is arranged on the sliding mechanism, a laser cutting head is arranged on the fixed seat, a smoke and dust collecting mechanism is arranged on the fixed seat, an exhaust mechanism is arranged outside the base, a waste sorting mechanism is arranged inside the base, a plate is placed on the waste sorting mechanism, a support plate is welded to the outside of the base, and a water tank is placed on the support plate.

[0006] Preferably, the smoke collecting mechanism comprises a shell, a sleeve, a sliding rod, a gasket, a ball, a pull ring, a retaining ring, a first spring, a corrugated sleeve, an air duct, and a partition net. The fixed seat is fixedly connected with a shell, the laser cutting head passes through the shell, and the inner wall of the shell is fixedly connected with two symmetrically distributed sleeves, each of which is slidably connected with a sliding rod, the bottom of the sliding rod is fixedly connected with a gasket, and the gasket is provided with a ball, the top of the sliding rod is fixedly connected with a pull ring, the sleeve is slidably connected with a retaining ring, the retaining ring is fixedly connected with the sliding rod, the outer sleeve of the sliding rod is sleeved with a first spring, and the shell is fixedly connected with an air duct. Through the design of the smoke collecting mechanism, the smoke generated during cutting can be relatively blocked, and in cooperation with the exhaust mechanism, the smoke can be discharged.

[0007] Preferably, a partition net is fixedly connected in the housing, and a laser cutting head is sleeved in the partition net. The design of the partition net can block waste chips and prevent the exhaust fan from being blocked.

[0008] Preferably, one end of the first spring is fixedly connected to a retaining ring, and the other end of the first spring is fixedly connected to the inner surface of the sleeve. Through the design of the first spring, the reaction force can be finally applied to the gasket and the ball, so that the ball can be close to the plate.

[0009] Preferably, the housing and the gasket are fixedly connected with a corrugated sleeve, which is made of rubber. The design of the corrugated sleeve facilitates the connection between the housing and the gasket, so that the housing, the gasket and the corrugated sleeve form a relatively closed space.

[0010] Preferably, the exhaust mechanism includes an exhaust fan, an air inlet, an air outlet, and a connecting hose. The base is provided with an exhaust fan on the outside, and the exhaust fan is provided with an air inlet and an air outlet. The air inlet is fixedly connected to a connecting hose, and the end of the connecting hose away from the air inlet is fixedly connected to an air duct. By starting the exhaust fan, the air inlet of the exhaust fan draws out the smoke in the shell through the connecting hose and the air duct on the shell, and discharges it into the water in the water tank through the air outlet, while the waste is blocked by the partition to prevent the exhaust fan from being blocked. At this time, no smoke and dust are generated on the site, which provides a good working environment for the staff and protects the staff from being splashed by waste.

[0011] Preferably, the waste sorting mechanism comprises a support block, a placement seat, a fixing pin, a rotating plate, a pressure rod, a cushion block, a pulling block, a second spring, a guide column, a waste box, a motor, and a cam. Two symmetrically distributed support blocks are fixedly connected in the base, each of the support blocks is in contact with a placement seat, a plate is placed on the two placement seats together, and a surface of the plate is in contact with a ball bearing. The placement seat is fixedly connected with a fixing pin, the outer side of the fixing pin is rotatably connected with a rotating plate, the rotating plate is in contact with the placement seat, a pressure rod is slidably connected in the rotating plate, the bottom of the pressure rod is fixedly connected with a cushion block, the cushion block is in contact with the plate, the top of the pressure rod is fixedly connected with a pulling block, the outer side of the pressure rod is sleeved with a second spring, the bottom of the placement seat is fixedly connected with a guide column, the guide column passes through the support block and is slidably connected to the support block, the bottom of the guide column is fixedly connected with the waste box, a motor is arranged in the base, a cam is arranged on the output shaft of the motor, and the cam is in contact with the waste box. The cam is driven by an electric motor to rotate, and the long and short ends of the cam repeatedly push the waste box up and down. The waste box drives the placement seat up and down through the guide column, and the placement seat drives the plate up and down, so that the cut part of the plate can be shaken into the waste box, without the need for manual knocking by the staff, which saves time and effort.

[0012] Preferably, one end of the second spring is fixedly connected to a rotating plate, and the other end of the second spring is fixedly connected to a cushion block. Through the design of the second spring, the reaction force can be applied to the cushion block, so that the cushion block is closely attached to the plate.

[0013] A cutting method of a steel-wood furniture full CNC cutting mechanism comprises the following steps:

[0014] Step 1: First, pull the pull block upwards, the pull block drives the pressure rod to move upwards, the pressure rod drives the cushion block to move upwards and compress the second spring, then place the plate on the two placement seats, and then release the pull block, at this time the second spring resets to make the cushion block contact the plate, thereby fixing the position of the plate;

[0015] Step 2: Pull the pull ring upward, the pull ring drives the slide bar to move upward, the slide bar drives the gasket ring to move upward, and the slide bar drives the retaining ring to slide in the sleeve and compress the first spring;

[0016] Step 3: Control the sliding mechanism through PLC to move the fixed seat and the laser cutting head on the fixed seat to the starting position of the plate to be cut, and then release the pull ring. At this time, the first spring resets the retaining ring to the top and resets it. The retaining ring drives the sliding rod to reset, and the sliding rod drives the gasket to reset. At this time, the ball on the gasket contacts the plate;

[0017] Step 4: Start the laser cutting head, and the laser cutting head performs laser cutting on the plate;

[0018] Step 5: During the cutting process, smoke and flying waste chips will be generated. At this time, the smoke and flying waste chips will be isolated by the gasket, shell and corrugated sleeve; at this time, the exhaust fan is started, and the air inlet end of the exhaust fan draws out the smoke in the shell through the connecting hose and the air duct on the shell, and discharges it into the water in the water tank through the air outlet end, while the waste chips are blocked by the isolation net to prevent clogging of the exhaust fan. At this time, no smoke and dust are generated on the site, which provides a good working environment for the staff and protects the staff from being splashed by waste chips;

[0019] Step 6: After the sheet is cut, the sliding mechanism is still controlled by PLC to make the laser cutting head leave the sheet;

[0020] Step seven: At this time, start the motor, the motor drives the cam to rotate, and the long and short ends of the cam repeatedly push the waste box up and down, and the waste box drives the placement seat up and down through the guide column, and the placement seat drives the plate up and down, so that the cut part of the plate can be shaken into the waste box, without the need for manual knocking by the staff, which saves time and effort.

[0021] The beneficial effects of the present invention are as follows: the present invention relates to a fully CNC cutting mechanism for steel and wood furniture and a cutting method thereof, which has the characteristics of no smoke and dust on site during cutting and automatic falling of waste materials. In specific use, it has the following beneficial effects:

[0022] First, by setting a smoke and dust collection mechanism outside the laser cutting head, the laser cutting head is sealed with a shell, a gasket and a corrugated sleeve, so that the smoke and splashing waste residue generated by the laser cutting head during the plate cutting process are isolated, and then the smoke is discharged into the large water tank through the exhaust mechanism, so that there is no smoke and dust on the site, protecting the on-site workers;

[0023] Secondly, by placing the plate on the waste sorting mechanism, and then when the plate is cut, the cam is driven to rotate by the motor, and the long and short ends of the cam repeatedly push the waste box up and down, and the waste box drives the placement seat up and down through the guide column, and the placement seat drives the plate up and down, so that the cut part of the plate can be shaken into the waste box, without the need for manual knocking by the staff, which saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and the accompanying drawings.

[0025] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0026] Figure 2 For the present invention Figure 1 A front cross-sectional view of

[0027] Figure 3 For the present invention Figure 2 A side view of the cam;

[0028] Figure 4 For the present invention Figure 2 A magnified view of the structure of part A;

[0029] Figure 5 For the present invention Figure 2 A magnified view of the structure of part B;

[0030] Figure 6 For the present invention Figure 2 A top view of the waste bin.

[0031] In the figure: 1. base; 2. sliding mechanism; 3. fixed seat; 4. laser cutting head; 5. smoke collecting mechanism; 51. shell; 52. sleeve; 53. slide rod; 54. gasket; 55. ball; 56. pull ring; 57. retaining ring; 58. first spring; 59. corrugated sleeve; 510. air duct; 511. partition net; 6. exhaust mechanism; 61. exhaust fan; 62. air inlet end; 63. air outlet end; 64. connecting hose; 7. waste sorting mechanism; 71. support block; 72. placement seat; 73. fixing pin; 74. rotating plate; 75. pressure rod; 76. gasket; 77. pull block; 78. second spring; 79. guide column; 710. waste box; 711. motor; 712. cam; 8. support plate; 9. water tank; 10. plate. DETAILED DESCRIPTION

[0032] like Figure 1-6 As shown, this specific implementation adopts the following technical solutions:

[0033] Example:

[0034] A fully CNC cutting mechanism for steel and wood furniture comprises a base 1, a sliding mechanism 2 is arranged on the base 1, a fixed seat 3 is arranged on the sliding mechanism 2, a laser cutting head 4 is arranged on the fixed seat 3, a smoke collecting mechanism 5 is arranged on the fixed seat 3, an exhaust mechanism 6 is arranged outside the base 1, a waste sorting mechanism 7 is arranged inside the base 1, a plate 10 is placed on the waste sorting mechanism 7, a support plate 8 is welded to the outside of the base 1, and a water tank 9 is placed on the support plate 8.

[0035] Among them, the smoke and dust collecting mechanism 5 includes a shell 51, a sleeve 52, a sliding rod 53, a gasket 54, a ball 55, a pull ring 56, a retaining ring 57, a first spring 58, a corrugated sleeve 59, an air duct 510, and a partition net 511. The fixed seat 3 is fixedly connected with the shell 51, and the laser cutting head 4 passes through the shell 51. The inner wall of the shell 51 is fixedly connected with two symmetrically distributed sleeves 52, and each of the sleeves 52 is slidably connected with a sliding rod 53. The bottom of the sliding rod 53 is fixedly connected with a gasket 54, and a ball 55 is arranged in the gasket 54. The top of the sliding rod 53 is fixedly connected with a pull ring 56, and the sleeve 52 is slidably connected with a retaining ring 57. The retaining ring 57 is fixedly connected to the sliding rod 53, and the outer side of the sliding rod 53 is sleeved with a first spring 58. The shell 51 is fixedly connected with an air duct 510. Through the design of the smoke and dust collecting mechanism 5, the smoke and dust generated during cutting can be relatively blocked, and in cooperation with the exhaust mechanism 6, the smoke and dust can be discharged.

[0036] The housing 51 is fixedly connected with a partition net 511, and the laser cutting head 4 is sleeved in the partition net 511. The design of the partition net 511 can block waste chips and prevent the exhaust fan 61 from being blocked.

[0037] One end of the first spring 58 is fixedly connected to a retaining ring 57, and the other end of the first spring 58 is fixedly connected to the inner surface of the sleeve 52. Through the design of the first spring 58, the reaction force can be finally applied to the gasket 54 and the ball 55, so that the ball 55 can be closely attached to the plate 10.

[0038] The housing 51 and the gasket 54 are fixedly connected with a bellows 59, which is made of rubber. The bellows 59 is designed to facilitate the connection between the housing 51 and the gasket 54, so that the housing 51, the gasket 54 and the bellows 59 form a relatively closed space.

[0039] The exhaust mechanism 6 includes an exhaust fan 61, an air inlet end 62, an air outlet end 63, and a connecting hose 64. The exhaust fan 61 is arranged outside the base 1. The exhaust fan 61 is arranged with an air inlet end 62 and an air outlet end 63. The air inlet end 62 is fixedly connected with a connecting hose 64. The end of the connecting hose 64 away from the air inlet end 62 is fixedly connected with an air duct 510. By starting the exhaust fan 61, the air inlet end 62 of the exhaust fan 61 extracts the smoke in the shell 51 through the connecting hose 64 and the air duct 510 on the shell 51, and discharges it into the water in the water tank 9 through the air outlet end 63, while the waste is blocked by the partition net 511 to prevent the exhaust fan 61 from being blocked. At this time, no smoke and dust are generated on the site, which provides a good working environment for the staff and protects the staff from being splashed by waste.

[0040] The waste sorting mechanism 7 includes a support block 71, a placement seat 72, a fixing pin 73, a rotating plate 74, a pressure rod 75, a cushion block 76, a pull block 77, a second spring 78, a guide column 79, a waste box 710, a motor 711, and a cam 712. Two symmetrically distributed support blocks 71 are fixedly connected inside the base 1, each of the support blocks 71 is in contact with a placement seat 72, and a plate 10 is placed on the two placement seats 72. The surface of the plate 10 is in contact with a ball 55. The placement seat 72 is fixedly connected with a fixing pin 73, and the outer rotation of the fixing pin 73 is connected with a rotating plate 74. The rotating plate 74 is connected to the placement seat 7 2, a pressure rod 75 is slidably connected in the rotating plate 74, a cushion block 76 is fixedly connected to the bottom of the pressure rod 75, and the cushion block 76 is in contact with the plate 10, a pull block 77 is fixedly connected to the top of the pressure rod 75, and a second spring 78 is sleeved on the outside of the pressure rod 75, a guide column 79 is fixedly connected to the bottom of the placement seat 72, the guide column 79 passes through the support block 71 and is slidably connected to the support block 71, and a waste box 710 is fixedly connected to the bottom of the guide column 79, and a motor 711 is provided in the base 1, and a cam 712 is provided on the output shaft of the motor 711, and the cam 712 is in contact with the waste box 710. The cam 712 is driven to rotate by the motor 711, and the long and short ends of the cam 712 repeatedly push the waste box 710 to move up and down, and the waste box 710 drives the placement seat 72 to move up and down through the guide column 79, and the placement seat 72 drives the plate 10 to move up and down, so that the cut part of the plate 10 can be shaken into the waste box 710, without the need for manual knocking by the staff, which saves time and effort.

[0041] One end of the second spring 78 is fixedly connected to the rotating plate 74, and the other end of the second spring 78 is fixedly connected to the cushion block 76. Through the design of the second spring 78, the reaction force can be applied to the cushion block 76, so that the cushion block 76 is closely attached to the plate 10.

[0042] A cutting method of a steel-wood furniture full CNC cutting mechanism comprises the following steps:

[0043] Step 1: First, pull the pull block 77 upwards, the pull block 77 drives the pressure rod 75 to move upwards, the pressure rod 75 drives the cushion block 76 to move upwards and compress the second spring 78, and then place the plate 10 on the two placement seats 72, and then release the pull block 77, at this time, the second spring 78 resets and makes the cushion block 76 contact the plate 10, thereby fixing the position of the plate 10;

[0044] Step 2: Pull the pull ring 56 upward, the pull ring 56 drives the slide bar 53 to move upward, the slide bar 53 drives the gasket 54 to move upward, and the slide bar 53 drives the retaining ring 57 to slide in the sleeve 52 and compress the first spring 58;

[0045] Step 3: Control the sliding mechanism 2 through the PLC to move the fixed seat 3 and the laser cutting head 4 on the fixed seat 3 to the starting position of the plate 10 to be cut, and then release the pull ring 56. At this time, the first spring 58 resets the retaining ring 57 to the top, and the retaining ring 57 drives the slide bar 53 to reset, and the slide bar 53 drives the backing ring 54 to reset. At this time, the ball 55 on the backing ring 54 contacts the plate 10;

[0046] Step 4: Start the laser cutting head 4, and the laser cutting head 4 performs laser cutting on the plate 10;

[0047] Step 5: During the cutting process, smoke and flying waste chips will be generated, and the smoke and flying waste chips will be isolated by the gasket 54, the shell 51 and the corrugated sleeve 59; at this time, the exhaust fan 61 is started, and the air inlet end 62 of the exhaust fan 61 extracts the smoke in the shell 51 through the connecting hose 64 and the air duct 510 on the shell 51, and discharges it into the water in the water tank 9 through the air outlet end 63, while the waste chips are blocked by the partition net 511 to prevent the exhaust fan 61 from being blocked. At this time, no smoke and dust are generated on the site, which provides a good working environment for the staff and protects the staff from being splashed by the waste chips;

[0048] Step 6: After the cutting of the plate 10 is completed, the sliding mechanism 2 is still controlled by the PLC to operate so that the laser cutting head 4 leaves the plate 10;

[0049] Step seven: At this time, start the motor 711, and the motor 711 drives the cam 712 to rotate. The long and short ends of the cam 712 repeatedly push the waste box 710 up and down, and the waste box 710 drives the placement seat 72 to move up and down through the guide column 79, and the placement seat 72 drives the plate 10 to move up and down, so that the cut part of the plate 10 can be shaken into the waste box 710, without the need for manual knocking by the staff, which saves time and effort.

[0050] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A fully CNC cutting mechanism for steel and wood furniture, comprising a base (1), characterized in that: The base (1) is provided with a sliding mechanism (2), the sliding mechanism (2) is provided with a fixed seat (3), the fixed seat (3) is provided with a laser cutting head (4), the fixed seat (3) is provided with a smoke collection mechanism (5), the base (1) is provided with an exhaust mechanism (6) outside, the base (1) is provided with a waste sorting mechanism (7) inside, a plate (10) is placed on the waste sorting mechanism (7), the base (1) is welded with a support plate (8) outside, and a water tank (9) is placed on the support plate (8); The smoke and dust collecting mechanism (5) comprises a shell (51), a sleeve (52), a slide bar (53), a gasket (54), a ball (55), a pull ring (56), a retaining ring (57), a first spring (58), a corrugated sleeve (59), an air duct (510), and a partition net (511); the fixed seat (3) is fixedly connected with the shell (51); the laser cutting head (4) passes through the shell (51); the inner wall of the shell (51) is fixedly connected with two symmetrically distributed sleeves (52); each sleeve (52) is slidably connected with a slide bar (53); the bottom of the slide bar (53) is fixedly connected with a gasket (54); a ball (55) is arranged in the gasket (54); the top of the slide bar (53) is fixedly connected with a gasket (54); A pull ring (56) is fixedly connected to the sleeve (52), a retaining ring (57) is slidably connected inside the sleeve (52), the retaining ring (57) is fixedly connected to the slide rod (53), the outside of the slide rod (53) is sleeved with a first spring (58), an air duct (510) is fixedly connected to the shell (51), a partition net (511) is fixedly connected inside the shell (51), a laser cutting head (4) is sleeved inside the partition net (511), one end of the first spring (58) is fixedly connected to the retaining ring (57), the other end of the first spring (58) is fixedly connected to the inner surface of the sleeve (52), a corrugated sleeve (59) is fixedly connected between the shell (51) and the gasket (54), and the corrugated sleeve (59) is made of rubber; The exhaust mechanism (6) comprises an exhaust fan (61), an air inlet end (62), an air outlet end (63), and a connecting hose (64); the exhaust fan (61) is arranged outside the base (1); the exhaust fan (61) is arranged with an air inlet end (62) and an air outlet end (63); the air inlet end (62) is fixedly connected to a connecting hose (64); and one end of the connecting hose (64) away from the air inlet end (62) is fixedly connected to an air duct (510); The waste sorting mechanism (7) comprises a support block (71), a placement seat (72), a fixing pin (73), a rotating plate (74), a pressure rod (75), a cushion block (76), a pull block (77), a second spring (78), a guide column (79), a waste box (710), a motor (711), and a cam (712). Two symmetrically distributed support blocks (71) are fixedly connected inside the base (1), each of the support blocks (71) is in contact with a placement seat (72), a plate (10) is placed on the two placement seats (72), a surface of the plate (10) is in contact with a ball (55), a fixing pin (73) is fixedly connected to the placement seat (72), the fixing pin (73) is externally rotatably connected to a rotating plate (74), and the rotating plate (74) is in contact with the placement seat ( 72), a pressure rod (75) is slidably connected inside the rotating plate (74), a cushion block (76) is fixedly connected to the bottom of the pressure rod (75), the cushion block (76) is in contact with the plate (10), a pull block (77) is fixedly connected to the top of the pressure rod (75), a second spring (78) is sleeved on the outside of the pressure rod (75), a guide column (79) is fixedly connected to the bottom of the placement seat (72), the guide column (79) passes through the support block (71) and is slidably connected to the support block (71), a waste box (710) is fixedly connected to the bottom of the guide column (79), a motor (711) is arranged inside the base (1), a cam (712) is arranged on the output shaft of the motor (711), and the cam (712) is in contact with the waste box (710).

2. A fully CNC cutting mechanism for steel and wood furniture according to claim 1, characterized in that: One end of the second spring (78) is fixedly connected to a rotating plate (74), and the other end of the second spring (78) is fixedly connected to a cushion block (76).

3. A cutting method for a steel-wood furniture fully CNC cutting mechanism according to any one of claims 1-2, characterized in that: The steps include: Step 1: First, pull the pull block (77) upwards, the pull block (77) drives the pressure rod (75) to move upwards, the pressure rod (75) drives the cushion block (76) to move upwards and compress the second spring (78), and then place the plate (10) on the two placement seats (72), and then release the pull block (77), at which time the second spring (78) resets and makes the cushion block (76) contact the plate (10), thereby fixing the position of the plate (10); Step 2: Pull the pull ring (56) upwards, the pull ring (56) drives the slide bar (53) to move upwards, the slide bar (53) drives the gasket ring (54) to move upwards, and the slide bar (53) drives the retaining ring (57) to slide in the sleeve (52) and compress the first spring (58); Step 3: Control the sliding mechanism (2) through PLC to move the fixed seat (3) and the laser cutting head (4) on the fixed seat (3) to the starting position required for cutting on the plate (10), and then release the pull ring (56). At this time, the first spring (58) resets the retaining ring (57) to the top and resets it. The retaining ring (57) drives the sliding rod (53) to reset, and the sliding rod (53) drives the gasket (54) to reset. At this time, the ball (55) on the gasket (54) contacts the plate (10); Step 4: starting the laser cutting head (4), and the laser cutting head (4) performs laser cutting on the plate (10); Step 5: During the cutting process, smoke and flying waste chips are generated, and the smoke and flying waste chips are isolated by the gasket (54), the shell (51) and the corrugated sleeve (59); at this time, the exhaust fan (61) is started, and the air inlet end (62) of the exhaust fan (61) extracts the smoke in the shell (51) through the connecting hose (64) and the air duct (510) on the shell (51), and discharges the smoke into the water in the water tank (9) through the air outlet end (63), while the waste chips are blocked by the partition net (511) to prevent the exhaust fan (61) from being blocked. At this time, no smoke and dust are generated on the site, which provides a good working environment for the staff and protects the staff from being splashed by the waste chips; Step 6: After the cutting of the plate (10) is completed, the sliding mechanism (2) is still controlled by the PLC to operate so that the laser cutting head (4) leaves the plate (10); Step 7: At this time, the motor (711) is started, and the motor (711) drives the cam (712) to rotate. The long and short ends of the cam (712) repeatedly push the waste box (710) to move up and down, and the waste box (710) drives the placement seat (72) to move up and down through the guide column (79), and the placement seat (72) drives the plate (10) to move up and down, so that the cut part of the plate (10) can be shaken into the waste box (710), without the need for the staff to manually knock it, which saves trouble and labor.

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