WO2022236895A1

WO2022236895A1 - Metal cutting device having protective dust removal structure and dust removal method thereof

Info

Publication number: WO2022236895A1
Application number: PCT/CN2021/098095
Authority: WO
Inventors: 徐磊; 陈华; 王小玲
Original assignee: 南京瑞贻电子科技有限公司
Priority date: 2021-05-14
Filing date: 2021-06-03
Publication date: 2022-11-17
Also published as: CN113305447A

Abstract

A metal cutting device having a protective dust removal structure, comprising a cutting device protective cover body (1). An ash storage fixed seat (4) is mounted below the cutting device protective cover body (1); a pulling cleaning drawer (5) is mounted in the ash storage fixed seat (4); a sliding limiting frame (8) is mounted above the front end of the cutting device protective cover body (1); a sliding protective door (9) is mounted below the sliding limiting frame (8); a side edge dust suction fan (12) is mounted on the outer side of the cutting device protective cover body (1); a transmission displacement mechanism (13) is mounted on the upper part of the interior of the cutting device protective cover body (1); a workpiece clamping structure (16) is mounted on the lower part of the interior of the cutting device protective cover body (1); a dust removal structure (17) is mounted on the inner wall of the cutting device protective cover body. The device solves the problems that an existing metal cutting device is directly exposed in air during operation, dust and impurities generated by metal cutting are splashed at the same time, the overall protection performance is not perfect, the transmission performance of laser cutting is not stable enough, and the placement and clamping flexibility of a workpiece is not flexible enough. Also provided is a dust removal method of the metal cutting device having a protective dust removal structure.

Description

Metal cutting equipment with protective dust removal structure and dust removal method thereof

technical field

The invention relates to the technical field of metal cutting equipment, in particular to a metal cutting equipment with a protective dust removal structure and a dust removal method thereof.

Background technique

Metal cutting equipment is the energy released when the laser beam is irradiated on the surface of the metal workpiece to melt and evaporate the metal workpiece, so as to achieve the purpose of cutting or engraving. It has high precision, fast cutting, not limited to the limitation of cutting patterns, and automatic typesetting saves materials. , smooth incision, and low processing cost. The laser of the metal laser cutting machine uses a xenon lamp as an excitation source to output a high-energy and high-density laser beam, and gathers it on the surface of the metal material, so that the area irradiated by the spot on the material is partially melted instantly. And gasification, through the computer control of the numerical control mechanical system, so as to move the irradiation position of the light spot to realize automatic cutting. This is a high-tech equipment integrating laser technology, precision machinery technology and numerical control technology.

However, the existing metal cutting equipment is directly exposed to the air during work, the dust and impurities generated by metal cutting are splashed out at the same time, the overall protection performance is not perfect, the transmission performance of laser cutting, and the flexibility of placing and clamping the workpiece are not stable enough Flexible; therefore, it does not meet the existing needs, for which we propose a metal cutting device with a protective dust removal structure and its dust removal method.

technical problem

The object of the present invention is to provide a kind of metal cutting equipment with protective dust removal structure and its dust removal method, to solve the problem that the existing metal cutting equipment proposed in the above background technology is directly exposed to the air during work, the dust generated by metal cutting and Impurities splash out at the same time, the overall protection performance is not perfect, the transmission performance of laser cutting, and the flexibility of placing and clamping workpieces are not stable enough.

technical solution

In order to achieve the above object, the present invention provides the following technical solutions: a metal cutting device with a protective dust removal structure and a dust removal method thereof, including a cutting device protective cover body, and an ash storage fixing seat is installed under the cutting device protective cover body, A pull-out cleaning drawer is installed inside the ash storage fixing seat, a sliding limit frame is installed above the front end of the protective cover of the cutting equipment, and a push-pull protective door is installed under the sliding limit frame. A side dust suction fan is installed on the outside of the protective cover, a transmission displacement mechanism is installed above the inside of the protective cover of the cutting equipment, and a workpiece clamping structure is installed below the inside of the protective cover of the cutting equipment. The inner wall of the protective cover body is equipped with a dust removal structure, and the dust removal structure includes a side plate and a main board, and the inside of the side board and the main board is provided with a dust accumulation tank, and a dustproof fixed cover is installed inside the dust accumulation tank , the lower ends of the side panels and the main board are provided with lower ash openings, and a sliding dust scraping frame is installed above the inner side of the ash accumulation tank.

Preferably, an upper fixed protective cover is installed above the protective cover of the cutting equipment, a power distribution box is installed at the middle position above the upper fixed protective cover, and the pull-out cleaning drawer is slidingly connected with the ash storage fixing seat, A stable support seat is installed under the protective cover of the cutting equipment, and a shock-absorbing and stable pad is installed under the stable support seat, and the shock-absorbing and stable pad is glued and connected with the stable support seat.

Preferably, the push-pull protection door is slidably connected with the sliding limit frame, a handle is installed on one side of the front end of the push-pull protection door, and an observation fixed window is installed on the other side of the handle.

Preferably, the workpiece clamping structure includes a fixed support main board, a linear motor and a clamping and placing support plate. The upper end of the fixed support main board is provided with a limit fixing slot, and there are three limit fixing slots. There are two holding and placing support plates, and the holding and placing supporting plate is located above the fixed supporting main board, and a limited clamping block is installed under the clamping and placing supporting plate, and the limiting clamping block is located inside the limiting and fixed card slot , Both ends of the linear motor are equipped with mounting plates, a sliding sleeve is installed on the outside of the linear motor, and the linear motor is slidingly connected to the sliding sleeve, and a supporting connection seat is installed under the sliding sleeve.

Preferably, a limiting L-shaped groove is provided on the inner side of the clamping and placing support plate, and a limiting bolt is installed above the clamping and placing supporting plate, and one end of the limiting bolt penetrates the clamping and placing supporting plate and the limiting block And extend to the inside of the limit fixing slot.

Preferably, a main linear motor is installed at the middle position of the transmission displacement mechanism, a cutting sliding sleeve is installed on the outside of the main linear motor, and the cutting sliding sleeve is slidingly connected with the main linear motor, and the cutting sliding sleeve is installed below There is an electric telescopic rod, a laser cutting head is installed under the electric telescopic rod, displacement sliding blocks are installed on both sides of the main linear motor, a transmission linear motor is installed on the inner side of the displacement sliding block, and the transmission linear motor Both ends of the motor are equipped with connection boards.

Preferably, both sides of the sliding dust scraping frame are provided with damping sliding grooves, and the damping sliding grooves are slidably connected to the side panels and the main board through the damping sliding grooves and the damping sliders.

A method for removing dust from metal cutting equipment with a protective dust removal structure, the method comprising the steps of:

Step 1. Install and fix the workpiece, slide the push-pull protective door so that the push-pull protective door slides inside the sliding limit frame, and move to one side while sliding to install and fix the workpiece. Before installation, start the linear motor and support the connection The seat is set as a fixed structure, so as the work of the linear motor drives the overall fixed support main board to move outward, a rubber block is set at the front end of the ash storage fixed seat relative to the installation plate, and the angle can be changed with the movement, so that the support connection seat extends To the outside of the protective cover of the cutting equipment, adjust the position of the clamping and placing support plate according to the size of the workpiece. The limit block and the clamping and placing support plate can better ensure the stability of the adjustment, and place the workpiece at the limit The inner side of the L-shaped groove can be fixed after adjustment. Use the limit bolt to pass through the clamping and placing support plate and the limit block to extend to the inside of the limit fixing card slot for fixation. After the fixation is completed, the movement of the support connection seat is completed. Drive the fixed support main board back to the position, and then slide and close the push-pull protective door after returning to the position;

Step 2. The movement of the cutting parts, the work of the transmission linear motor makes the displacement sliding block slide on the outside, and the position of the main linear motor is adjusted. The movement of the main linear motor makes the cutting sliding sleeve slide on the outside to adjust the position. The electric telescopic rod The telescopic drives the laser cutting head to move up and down, and the cutting can be adjusted through the work of the transmission linear motor, the main linear motor and the electric telescopic rod. During the cutting process, the internal conditions can be observed through the fixed window;

Step 3. Carry out dust removal treatment. The chips and dust generated during the cutting process are sprayed outwards, and the suction force is generated through the operation of the side dust suction fan, so that the dust impurities move to the dust-proof fixed cover. The dust-proof fixed cover adopts a filter mesh structure, which can Make the dust gather on the outer surface. After the cutting is completed, it can be cleaned uniformly. After the cutting is completed, slide the dust scraping frame downwards. When the sliding dust scraping frame slides down, the dust will be scraped off from the dustproof fixed cover, and the dust will pass through the lower surface. The ash port enters the pull-out cleaning drawer at the lower end, just pull out the pull-out cleaning drawer for centralized cleaning of dust;

Step 4. After the cutting work is completed, just remove the workpiece and close the sliding protective door.

Beneficial effect

1. The present invention installs the dust removal structure inside the protective cover of the cutting equipment, so that while the cutting equipment is working, the dust generated by cutting can be adsorbed on the dustproof fixed cover through the work of the dust suction fan on the outside. After the later cutting is completed, it can pass The sliding dust scraper allows the dust to enter the inside of the pull-out cleaning drawer through the lower ash opening, which is convenient for unified cleaning in the later stage. The cutting environment can be better protected through the cutting equipment protective cover, and the protection performance is better, which solves the problem of existing metal The cutting equipment is directly exposed to the air during work, the dust and impurities generated by metal cutting are splashed out at the same time, and the overall protection performance is not perfect;

2. The present invention is equipped with a transmission displacement mechanism, and the whole is driven by a linear motor. Compared with the traditional screw drive, it can speed up the system response speed and improve the accuracy of the system. The linear motor can eliminate various positioning brought by the intermediate link. At the same time, the overall quality is lighter, the transmission flexibility is higher, and the use is more convenient, which solves the problem that the existing laser cutting transmission performance is not stable and flexible;

3. The present invention is equipped with a workpiece clamping structure, which can adjust the position of the clamping and placing support plate according to the structure of the workpiece. The linear motor installed at the lower end can drive the fixed support main board to move outward, and the operator does not need to enter the protective cover of the cutting equipment The workpiece is installed inside the body, which is more convenient to use. At the same time, the limit L-shaped groove can not only ensure the limit performance of workpiece placement, but also improve the stability of later cutting, and solve the problem of flexible placement and clamping of workpieces in existing laser cutting equipment. Sex is not stable enough and flexible.

Description of drawings

Fig. 1 is a perspective view of a metal cutting device with a protective dust removal structure according to the present invention;

Fig. 2 is the front view of a kind of metal cutting equipment with protective dust removal structure of the present invention;

Fig. 3 is a perspective view of the workpiece clamping structure of the present invention;

Fig. 4 is the perspective view of the transmission displacement mechanism of the present invention;

Fig. 5 is a perspective view of the dust removal structure of the present invention.

In the figure: 1. Cutting equipment protective cover body; 2. Upper fixed protective cover; 3. Distribution box; 4. Ash storage fixed seat; 5. Pull-out cleaning drawer; 6. Stable support seat; ;8. Sliding limit frame; 9. Push-pull protective door; 10. Observation fixed window; 11. Handle; 12. Side dust suction fan; 13. Transmission displacement mechanism; 14. Electric telescopic rod; 15. Laser cutting head; 16. Workpiece clamping structure; 17. Dust removal structure; 18. Fixed support main board; 19. Limit fixed slot; 20. Mounting plate; 21. Linear motor; 22. Sliding sleeve; 23. Support connection seat; 24. Clip 25. Limiting block; 26. Limiting L-shaped groove; 27. Limiting bolt; 28. Connecting the main board; 29. Transmission linear motor; 30. Displacement sliding block; 31. Main linear motor; 32 33. Side panels; 34. Main board; 35. Dust accumulation groove; 36. Dustproof fixed cover; 37. Sliding dust scraping rack; 38. Damping sliding groove;

Embodiments of the present invention

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Please refer to Figures 1-5, an embodiment provided by the present invention: a metal cutting equipment with a protective dust removal structure and a dust removal method thereof, including a cutting equipment protective cover 1, which can improve the protective performance of the overall parts, and the cutting equipment protection The lower part of the cover body 1 is equipped with an ash storage fixed seat 4, and the inside of the ash storage fixed seat 4 is equipped with a pull-out cleaning drawer 5, which makes the extraction and cleaning performance of dust more convenient and perfect in the later stage. A limit frame 8, a push-pull protective door 9 is installed below the sliding limit frame 8, a side dust suction fan 12 is installed on the outside of the cutting equipment protective cover body 1, and a transmission displacement mechanism is installed above the inside of the cutting equipment protective cover body 1 13. The transmission adjustment performance is guaranteed to a certain extent. The workpiece clamping structure 16 is installed under the inside of the cutting equipment protective cover body 1, and the clamping performance of the workpiece is more stable. The inner wall of the cutting equipment protective cover body 1 is equipped with a dust removal structure. 17. Dust removal can be carried out while ensuring the protection performance. The dust removal structure 17 includes a side plate 33 and a main board 34. The inside of the side plate 33 and the main board 34 are all provided with a dust accumulation tank 35, and the inside of the dust accumulation tank 35 is equipped with an anti-dust tank. Dust is fixed cover 36, and the lower end of side plate 33 and main board 34 is all provided with lower ash mouth 39, and the top of ash accumulation groove 35 inboards is equipped with sliding dust scraper frame 37, and the centralized cleaning performance of dust impurity is more simple and perfect.

Further, an upper fixed protective cover 2 is installed above the protective cover body 1 of the cutting equipment, and a power distribution box 3 is installed at the middle position above the upper fixed protective cover 2. The flexibility of pulling is higher. A stable support seat 6 is installed under the protective cover body 1 of the cutting equipment, and a shock-absorbing and stable pad 7 is installed under the stable support seat 6, and the shock-absorbing and stable pad 7 is pasted and connected with the stable support seat 6. The stability of placement is higher, which can reduce vibration to a certain extent and improve the flatness of placement.

Further, the push-pull protective door 9 is slidably connected with the sliding limit frame 8, a side of the front end of the push-pull protective door 9 is equipped with a handle 11, and the other side of the handle 11 is equipped with an observation fixed window 10, which can be observed intuitively during work.

Further, the workpiece clamping structure 16 includes a fixed support main board 18, a linear motor 21, and a clamping and placing support plate 24. The upper end of the fixed support main board 18 is provided with a limited fixed slot 19, and three limited fixed slots 19 are provided. There are two holding and placing support plates 24, and the holding and placing support plate 24 is located above the fixed support main board 18, and the limit block 25 is installed below the holding and placing support plate 24, and the limit block 25 is located at the limit and fixed position. The inside of the card slot 19 can improve the stability of the limit while ensuring the adjustment performance. The two ends of the linear motor 21 are equipped with mounting plates 20, and the outer side of the linear motor 21 is equipped with a sliding sleeve 22, and the linear motor 21 and Sliding sleeve 22 is slidably connected, and a supporting connection seat 23 is installed below the sliding sleeve 22, which can better displace and facilitate the loading and unloading of workpieces.

Further clamp and place the inner side of the support plate 24 to set a limit L-shaped groove 26, clamp and place the top of the support plate 24 to install a limit bolt 27, and one end of the limit bolt 27 penetrates the clamp and place support plate 24 and the limit block 25 and extend to the inside of the limit fixing slot 19, the stability of workpiece placement and clamping is better guaranteed, and the cutting stability is higher.

Further, the main linear motor 31 is installed in the middle of the transmission displacement mechanism 13, and the cutting sliding sleeve 32 is installed on the outside of the main linear motor 31, and the cutting sliding sleeve 32 is slidingly connected with the main linear motor 31, so that the transmission performance is more flexible, convenient and accurate. The degree is higher, the electric telescopic rod 14 is installed under the cutting sliding sleeve 32, the laser cutting head 15 is installed under the electric telescopic rod 14, and the both sides of the main linear motor 31 are equipped with a displacement sliding block 30, and the displacement sliding block 30 A transmission linear motor 29 is installed on the inner side, and both ends of the transmission linear motor 29 are equipped with connecting main boards 28, so that the stability of the installation is guaranteed to a certain extent.

Further, both sides of the sliding dust scraping frame 37 are provided with damping sliding grooves 38, and the damping sliding grooves 38, the side panels 33 and the main board 34 are all slidably connected through the damping sliding grooves 38 and the damping sliders, the structure is simple, and the overall practicality Sex is higher.

8. A method of dust removal for metal cutting equipment with a protective dust removal structure, the method comprising the steps of:

Step 1, install and fix the workpiece, slide the push-pull protective door 9, so that the push-pull protective door 9 slides inside the sliding limit frame 8, move to one side while sliding, and install and fix the workpiece. Before installation, start the linear motor 21. The support connection seat 23 is set as a fixed structure, so as the work of the linear motor 21 drives the overall fixed support main board 18 to move outward, a rubber block is set at the front end of the ash storage fixed seat 4 relative to the installation plate 20, which can follow the movement. Change the angle so that the support connection seat 23 extends to the outside of the cutting equipment protective cover body 1, and adjust the position of the clamping and placing support plate 24 according to the size of the workpiece. The limit block 25 and the clamping and placing support plate 24 can be To better ensure the stability of the adjustment, place the workpiece on the inner side of the limit L-shaped groove 26 and fix it after adjustment. The inside of the bit fixing slot 19 is fixed, and after the fixing is completed, the movement of the support connection seat 23 drives the fixed support main board 18 to return, and after the return, slide and close the push-pull protective door 9 to get final product;

Step 2, the movement of the cutting parts, the work of the transmission linear motor 29 makes the displacement sliding block 30 slide on the outside, and the position of the main linear motor 31 is adjusted, and the movement of the main linear motor 31 makes the cutting sliding sleeve 32 slide on the outside to adjust the position , the expansion and contraction of the electric telescopic rod 14 drives the laser cutting head 15 to move up and down, and the cutting can be adjusted through the work of the transmission linear motor 29, the main linear motor 31 and the electric telescopic rod 14. During the cutting process, the fixed window 10 can be used to observe the internal observe the situation;

Step 3, carry out dust removal treatment, the chips and dust produced in the cutting process are sprayed outwards, and the suction force is generated by the work of the side dust suction fan 12, so that dust impurities move to the dustproof fixed cover 36, and the dustproof fixed cover 36 adopts a filter screen The structure can make the dust gather on the outer surface. After the cutting is completed, it can be cleaned uniformly. After the cutting is completed, slide the sliding dust scraping frame 37 downward. When the sliding dust scraping frame 37 slides downward, the dust is removed from the dustproof fixed cover 36 Scrape off, the dust enters the pull-out cleaning drawer 5 at the lower end through the lower ash port 39, and the pull-out cleaning drawer 5 is pulled out to carry out centralized cleaning of the dust;

Step 4, after the cutting work is completed, take off the workpiece and close the push-pull protective door 9.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

A metal cutting device with a protective and dust-removing structure, comprising a cutting device protective cover (1), characterized in that a dust storage fixing seat (4) is installed under the cutting device protective cover (1), and the storage A pull-out cleaning drawer (5) is installed inside the ash fixing seat (4), and a sliding limiter (8) is installed above the front end of the cutting equipment protective cover (1), and the sliding limiter (8) A push-pull protective door (9) is installed under the cutting equipment protective cover (1), a side dust suction fan (12) is installed on the outside of the cutting equipment protective cover (1), and a transmission is installed above the inside of the cutting equipment protective cover (1). A displacement mechanism (13), a workpiece clamping structure (16) is installed under the inside of the cutting equipment protective cover (1), and a dust removal structure (17) is installed on the inner wall of the cutting equipment protective cover (1). The dust removal structure (17) includes a side plate (33) and a main board (34), and the inside of the side plate (33) and the main board (34) are provided with ash accumulation grooves (35), and the ash accumulation grooves ( 35) is equipped with a dust-proof fixed cover (36), the lower ends of the side panels (33) and the main board (34) are provided with lower ash ports (39), and the upper part of the inner side of the ash accumulation groove (35) A sliding dust scraper frame (37) is installed.
The metal cutting equipment with protective dust removal structure according to claim 1, characterized in that: an upper fixed protective cover (2) is installed above the cutting equipment protective cover body (1), and the upper fixed protective cover (2) A power distribution box (3) is installed at the middle position above, the pull-out cleaning drawer (5) is slidingly connected with the ash storage fixing seat (4), and the lower part of the cutting equipment protective cover (1) is installed There is a stable supporting seat (6), and a shock-absorbing and stabilizing pad (7) is installed under the stable supporting seat (6), and the shock-absorbing and stabilizing pad (7) is pasted and connected with the stabilizing supporting seat (6).
The metal cutting equipment with protective and dust-removing structure according to claim 1, characterized in that: the push-pull protective door (9) is slidably connected with the sliding limit frame (8), and the front end of the push-pull protective door (9) A handle (11) is installed on one side of the handle (11), and an observation fixed window (10) is installed on the other side of the handle (11).
A metal cutting device with a protective dust removal structure according to claim 1, characterized in that: the workpiece clamping structure (16) includes a fixed support main board (18), a linear motor (21) and a clamping and placing support plate (24), the upper end of the fixed support main board (18) is provided with a limit fixed card slot (19), and there are three limit fixed card slots (19), and the clamping and placing support plate (24) is provided with two One, and the clamping and placing support plate (24) is located above the fixed support main board (18), and the clamping and placing support plate (24) is installed below the limit block (25), and the limit block (25) Located inside the limit fixing slot (19), mounting plates (20) are installed on both ends of the linear motor (21), and sliding sleeves (22) are installed on the outside of the linear motor (21), and the linear The motor (21) is slidably connected to the sliding sleeve (22), and a supporting connection seat (23) is installed under the sliding sleeve (22).
The metal cutting equipment with protective dust removal structure according to claim 4, characterized in that: the inner side of the clamping and placing support plate (24) is provided with a limited L-shaped groove (26), and the clamping and placing support A limit bolt (27) is installed on the top of the plate (24), and one end of the limit bolt (27) penetrates and clamps the support plate (24) and the limit block (25) and extends to the limit fixing slot (19 )internal.
The metal cutting equipment with protective dust removal structure according to claim 1, characterized in that: a main linear motor (31) is installed at the middle position of the transmission displacement mechanism (13), and the main linear motor (31 ) is installed with a cutting sliding sleeve (32), and the cutting sliding sleeve (32) is slidingly connected with the main linear motor (31), and an electric telescopic rod (14) is installed under the cutting sliding sleeve (32), the A laser cutting head (15) is installed under the electric telescopic rod (14), displacement sliding blocks (30) are installed on both sides of the main linear motor (31), and a displacement sliding block (30) is installed on the inner side of the displacement sliding block (30). A transmission linear motor (29), the two ends of the transmission linear motor (29) are installed with connecting main boards (28).
The metal cutting equipment with protective dust removal structure according to claim 1, characterized in that: both sides of the sliding dust scraping frame (37) are provided with damping sliding grooves (38), and the damping sliding grooves (38 ) are slidably connected with the side plate (33) and the main board (34) through a damping sliding groove (38) and a damping slider.
A dust removal method for metal cutting equipment with a protective dust removal structure, characterized in that the metal cutting equipment according to claim 1 is used, and the method comprises the following steps:

Step 1. Install and fix the workpiece, slide the push-pull protective door (9), so that the push-pull protective door (9) slides inside the sliding limit frame (8), and move to one side while sliding to install and fix the workpiece. Before installation, start the linear motor (21), and the support connection seat (23) is set as a fixed structure, so as the work of the linear motor (21) drives the overall fixed support main board (18) to move outward, the ash storage fixed seat (4) A rubber block is set at the relative position of the front end and the mounting plate (20), which can change the angle with the movement, so that the support connection seat (23) extends to the outside of the cutting equipment protective cover (1), and clamps the workpiece according to the size of the workpiece. Adjust the position of the support plate (24), the limit block (25) and the clamping support plate (24) can better ensure the stability of the adjustment, and place the workpiece on the inner side of the limit L-shaped groove (26) After adjustment, it can be fixed. Use the limit bolt (27) to pass through the clamping and placing support plate (24) and the limit block (25) to extend to the inside of the limit fixing slot (19) for fixing, and the fixation is completed Finally, the movement of the support connecting seat (23) drives the fixed support main board (18) to return, and after returning to the position, slide and close the push-pull protective door (9);

Step 2. The movement of the cutting parts, the work of the transmission linear motor (29) makes the displacement slider (30) slide on the outside, and the position of the main linear motor (31) is adjusted, and the movement of the main linear motor (31) makes the cutting slide The sleeve (32) slides on the outside to adjust the position, and the expansion and contraction of the electric telescopic rod (14) drives the laser cutting head (15) to move up and down, and the linear motor (29), main linear motor (31) and electric telescopic rod (14) ) can be adjusted and cut, and the internal conditions can be observed through the fixed window (10) during the cutting process;

Step 3, carry out dust removal treatment, the chips and dust generated during the cutting process are sprayed outwards, and the suction force is generated by the side dust suction fan (12), so that dust impurities move to the dust-proof fixed cover (36), and the dust-proof fixed cover (36) The filter screen structure is adopted, which can make the dust gather on the outer surface. After the cutting is completed, it can be cleaned uniformly. After the cutting is completed, slide the dust scraping frame (37) downward, and the sliding dust scraping frame (37) slides downward at the same time , the dust is scraped off from the dustproof fixed cover (36), the dust enters the pull-out cleaning drawer (5) at the lower end through the lower ash opening (39), and the pull-out cleaning drawer (5) is pulled out for centralized cleaning of dust;

Step 4. After the cutting work is completed, remove the workpiece and close the push-pull protective door (9).