阅读说明：本技术 一种板材无尘切割装置 (Dustless cutting device of panel ) 是由 郑雨梦 于 2021-08-23 设计创作，主要内容包括：本发明涉及切割技术领域,公开了一种板材无尘切割装置,包括主体,所述主体的底部固接有支撑脚,所述主体的内部底面固接有气缸,所述气缸的驱动端固接有横板,所述横板的上表面分别固接有延伸轴限位板和电机固定板,所述电机固定板的内部贯穿固接有电机,所述电机的驱动端固接有延伸轴,所述延伸轴的表面固接有切割盘,所述主体的上侧壁贯穿开设有上部切割口,所述主体的内部设置有传动机构和板材推送机构,所述主体的上方设置有收尘机构,本发明不仅实现了自动推动板材,从而避免使用者用手推动板材移动,还能将板材被完全固定,减少切割过程中出现的误差,并通过气缸进行收放切割盘,对使用者进行保护,减少使用者发生危险的可能。(The invention relates to the technical field of cutting, and discloses a plate dust-free cutting device which comprises a main body, wherein the bottom of the main body is fixedly connected with a supporting leg, the inner bottom surface of the main body is fixedly connected with a cylinder, the driving end of the cylinder is fixedly connected with a transverse plate, the upper surface of the transverse plate is respectively fixedly connected with an extension shaft limiting plate and a motor fixing plate, the inner part of the motor fixing plate is fixedly connected with a motor in a penetrating manner, the driving end of the motor is fixedly connected with an extension shaft, the surface of the extension shaft is fixedly connected with a cutting disc, the upper side wall of the main body is provided with an upper cutting opening in a penetrating manner, the inner part of the main body is provided with a transmission mechanism and a plate pushing mechanism, and the dust collecting mechanism is arranged above the main body. And receive and release the cutting disc through the cylinder, protect the user, reduce the possibility that the user takes place danger.)

1. The utility model provides a dustless cutting device of panel, includes main part (1), its characterized in that, the bottom rigid coupling of main part (1) has supporting legs (2), the inside bottom surface rigid coupling of main part (1) has cylinder (3), the drive end rigid coupling of cylinder (3) has diaphragm (4), the upper surface of diaphragm (4) rigid coupling respectively has extension axle limiting plate (5) and motor fixed plate (6), the inside of motor fixed plate (6) is run through the rigid coupling and is had motor (7), the drive end rigid coupling of motor (7) has extension axle (9), and the front end of extension axle (9) runs through the top of extension axle limiting plate (5), the surface rigid coupling of extension axle (9) has cutting dish (8), the last lateral wall of main part (1) runs through and has seted up upper portion cutting opening (10), slide plate groove (14) have all been seted up to the both sides of upper portion cutting opening (10), the dust collecting device is characterized in that extension sliding plates (13) are connected to the inner portions of the two sliding plate grooves (14) in a sliding mode, placing table plates (12) are fixedly connected to the opposite sides of the extension sliding plates (13), a table plate connecting rod (15) is fixedly connected between the two placing table plates (12), a transmission mechanism (100) and a plate pushing mechanism (200) are arranged in the main body (1), and a dust collecting mechanism (300) is arranged above the main body (1).

2. A dust-free cutting device for plates as claimed in claim 1, wherein the number of the platen connecting rods (15) is two, the two platen connecting rods (15) are respectively arranged at the front end and the rear end of the side wall of the placing platen (12), and the initial position of the platen connecting rod (15) at the right end is arranged at the right side of the cutting disc (8).

3. The dustless cutting device of a plate of claim 1, wherein, drive mechanism (100) includes drive pulley (11), drive pulley (11) rigid coupling in the surface of extension axle (9), the inside wall fore-and-aft direction of main part (1) rotates and is connected with lower part pivot (21), the surface rigid coupling of lower part pivot (21) has second drive pulley (22) and first drive pulley (23), drive pulley (11) with the surface winding of first drive pulley (23) has first belt (24), the inside wall fore-and-aft direction of main part (1) rotates and is connected with upper portion pivot (30), just upper portion pivot (30) are located directly over lower part pivot (21), the surface rigid coupling of upper portion pivot (30) has driven pulley (28), driven pulley (28) with second drive pulley (22) between have second belt (27) .

4. A plate dust-free cutting device according to claim 3, wherein the inside wall of the main body (1) is rotatably connected with an upper strap limiting wheel (25) and a lower strap limiting wheel (26) in the front-back direction, the number of the upper strap limiting wheel (25) and the number of the lower strap limiting wheel (26) are two, the upper portion of the first belt (24) passes through the two upper strap limiting wheels (25), and the lower portion of the first belt (24) passes through the two lower strap limiting wheels (26).

5. The plate dust-free cutting device according to claim 3, wherein the plate pushing mechanism (200) comprises two cylindrical gears (20), the two cylindrical gears (20) are fixedly connected to the surface of the upper rotating shaft (30), the lower surfaces of the two placing platens (12) are fixedly connected with long racks (19), the two long racks (19) and the two placing platens (12) are respectively connected in an engaged manner, and a plate fixing assembly (400) is arranged above the placing platens (12).

6. The dustless cutting device for plates as claimed in claim 5, wherein the plate fixing assembly (400) comprises two tail abutting blocks (42), the number of the tail abutting blocks (42) is two, the two tail abutting blocks (42) are respectively and fixedly connected to the right ends of the upper surfaces of the two placing platens (12), platen inner grooves (38) are formed in the two placing platens (12), platen sliding grooves (43) are formed in the upper surfaces of the two placing platens (12), the platen inner grooves (38) and the platen sliding grooves (43) in the same placing platen (12) are communicated with each other, sliding blocks (39) are connected to the inner portions of the two platen inner grooves (38) in a sliding manner, L-shaped head clamping blocks (40) are fixedly connected to the upper surfaces of the two sliding blocks (39), and the upper portions of the two L-shaped head clamping blocks (40) penetrate through the platen sliding grooves (43) and extend to the placing platens (12) The fixing bolts (41) are arranged in the two L-shaped head clamping blocks (40) in a penetrating way.

7. The dustless cutting device of claim 3, wherein the dust collecting mechanism (300) comprises a dust collecting box (17), dust collecting plate plates (16) are fixedly connected to two sides of the lower surface of the dust collecting box (17), the lower surfaces of the two dust collecting plate plates (16) are fixedly connected to the upper surface of the main body (1), two dust collecting box front doors (18) are arranged on the front surface of the dust collecting box (17), fan blade rotating shafts (35) are respectively and penetratingly installed on two side walls of the dust collecting box (17), fan blades (37) are respectively and fixedly connected to the adjacent ends of the two fan blade rotating shafts (35), the fan blades (37) are located inside the dust collecting box (17), pinions (34) are respectively and fixedly connected to the outer side ends of the two fan blade rotating shafts (35), two vertical rotating rods (32) are penetratingly installed on the upper side wall of the main body (1), two equal rigid coupling in upper end of vertical bull stick (32) has dish tooth (33), two the equal rigid coupling of lower extreme of vertical bull stick (32) has second bevel gear (31), the surface rigid coupling of upper portion pivot (30) has two first bevel gears (29), the diapire upper surface rigid coupling of dust collection box (17) has stop block (36).

8. A dust-free cutting device for plates according to claim 7, characterized in that two first bevel gears (29) and two second bevel gears (31) are respectively in meshed connection with each other, and the plate teeth (33) and the pinion (34) are in meshed connection with each other.

9. A dust-free cutting device for plates according to claim 7, characterized in that the number of the blocking blocks (36) is two, and two blocking blocks (36) are positioned at two sides of the bottom wall opening of the dust collection box (17), the cross section of the blocking blocks (36) is arranged in a trapezoid shape, and the oblique sides of the two blocking blocks (36) face the inner sides of the two blocking blocks (36).

Technical Field

The invention relates to the technical field of cutting, in particular to a plate dust-free cutting device.

Background

With the development of the modern machining industry, the requirements on the cutting quality and precision are continuously improved, and the requirements on improving the production efficiency, reducing the production cost and having a high-intelligent automatic cutting function are also improved. A common cutting apparatus is a cutting machine, and is classified into a torch cutting machine, a plasma cutting machine, a laser cutting machine, a water cutting machine, and the like according to a material to be cut.

However, when the existing cutting device is used for cutting a plate, the plate is often required to be manually pushed to be cut, the existing cutting device is mostly in an open type, a saw blade is exposed outside, and a user is easily injured when the plate is cut, so that certain potential safety hazards are caused. Accordingly, a dust-free cutting apparatus for a plate material is provided by those skilled in the art to solve the above problems in the background art.

Disclosure of Invention

The present invention is directed to a dust-free cutting device for cutting a sheet material, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a dust-free plate cutting device comprises a main body, wherein supporting legs are fixedly connected to the bottom of the main body, a cylinder is fixedly connected to the inner bottom surface of the main body, a transverse plate is fixedly connected to the driving end of the cylinder, an extension shaft limiting plate and a motor fixing plate are fixedly connected to the upper surface of the transverse plate respectively, a motor is fixedly connected to the inner portion of the motor fixing plate in a penetrating manner, an extension shaft is fixedly connected to the driving end of the motor, the front end of the extension shaft penetrates through the top of the extension shaft limiting plate, a cutting disc is fixedly connected to the surface of the extension shaft, an upper cutting opening is formed in the upper side wall of the main body in a penetrating manner, sliding plate grooves are formed in the two sides of the upper cutting opening, extension sliding plates are slidably connected to the inner portions of the two sliding plate grooves, placing table plates are fixedly connected to the opposite sides of the two extension sliding plates, a connecting rod is fixedly connected between the two placing table plates, and a transmission mechanism and a plate pushing mechanism are arranged in the main body, a dust collecting mechanism is arranged above the main body.

As a still further scheme of the invention: the number of the bedplate connecting rods is two, the two bedplate connecting rods are respectively positioned at the front end and the rear end of the side wall of the placing bedplate, and the initial position of the bedplate connecting rod at the right end is positioned at the right side of the cutting disc.

As a still further scheme of the invention: drive mechanism includes driving pulley, driving pulley rigid coupling in extend the surface of axle, the inside wall fore-and-aft direction of main part rotates and is connected with the lower part pivot, the surface rigid coupling of lower part pivot has second drive pulley and first drive pulley, driving pulley with first drive pulley's surface winding has first belt, the inside wall fore-and-aft direction of main part rotates and is connected with the upper portion pivot, just the upper portion pivot is located directly over the lower part pivot, the surface rigid coupling of upper portion pivot has driven pulley, driven pulley with the winding has the second belt between the second drive pulley.

As a still further scheme of the invention: the inside wall fore-and-aft direction of main part rotates respectively and is connected with spacing round of upper portion cassette tape and the spacing round of lower part cassette tape, the spacing round of upper portion cassette tape with the quantity of the spacing round of lower part cassette tape is two, just the upper portion of first belt is followed two pass between the spacing round of upper portion cassette tape, the lower part of first belt is followed two pass between the spacing round of lower part cassette tape.

As a still further scheme of the invention: the plate pushing mechanism comprises two cylindrical gears, the two cylindrical gears are fixedly connected to the surface of the upper rotating shaft, long racks are fixedly connected to the lower surfaces of the two placing tables, the two long racks and the two placing tables are connected in a meshed mode respectively, and a plate fixing assembly is arranged above the placing tables.

As a still further scheme of the invention: the plate fixing assembly comprises two tail abutting blocks, the two tail abutting blocks are fixedly connected to the right ends of the upper surfaces of the two placing tables respectively, table plate inner grooves are formed in the two placing tables, table plate sliding grooves are formed in the upper surfaces of the two placing tables, the same table plate inner groove in the placing table and the same table plate sliding groove are communicated, sliding blocks are connected to the inner portions of the two table plate inner grooves in a sliding mode, L-shaped head clamping blocks are fixedly connected to the upper surfaces of the two sliding blocks, the upper portions of the two L-shaped head clamping blocks penetrate through the table plate sliding grooves and extend to the upper portion of the placing table plate, and fixing bolts are installed inside the two L-shaped head clamping blocks in a penetrating mode.

As a still further scheme of the invention: the mechanism of gathering dust includes the dust collection box, the lower surface both sides rigid coupling of dust collection box has the frame plate that gathers dust, two the equal rigid coupling of lower surface of frame plate that gathers dust in the upper surface of main part, the front surface of dust collection box is provided with two front departments of dust collection box, the both sides wall of dust collection box all runs through to install the flabellum pivot, two the equal rigid coupling of adjacent one end of flabellum pivot has the flabellum, just the flabellum is located the inside of dust collection box, two the equal rigid coupling of outside end of flabellum pivot has the pinion, the last lateral wall of main part runs through to install two vertical bull sticks, two the equal rigid coupling in upper end of vertical bull stick has the dish tooth, two the equal rigid coupling of lower extreme of vertical bull stick has second bevel gear, the surface rigid coupling of upper portion pivot has two first bevel gears, the diapire upper surface rigid coupling of dust collection box has the piece that blocks.

As a still further scheme of the invention: the two first bevel gears and the two second bevel gears are respectively in meshed connection, and the disc teeth are in meshed connection with the small gear.

As a still further scheme of the invention: the quantity that blocks the piece is two, and two block the piece and be located dust collection box diapire open-ended both sides, the cross section that blocks the piece sets trapezoidal, and two the hypotenuse that blocks the piece all faces two block the inboard of piece.

Compared with the prior art, the invention has the beneficial effects that:

1. the fixed upper surface to placing the platen of panel that will wait to cut through panel fixed subassembly, after opening cylinder and motor, through the transmission of first belt and second belt, make the spur gear rotate, thereby make and place the platen and can move towards the right side by oneself, and then make panel cut by the cutting disc, this in-process, avoid the user to move panel with the hand and remove, and panel is fixed completely, reduce the error that appears among the cutting process, and protect the user, reduce the possibility that the user takes place danger.

2. Through setting up the cylinder, can make the cutting disc shift out the upper surface of main part or withdraw into the inside of main part, protect the cutting disc, avoid the cutting disc to expose in the outside of main part for a long time, simultaneously through the dust collection frame plate and the dust collection box that set up, also shelter from the cutting disc to reduce the potential safety hazard.

3. Set up the spacing wheel of upper portion cassette tape and the spacing wheel of lower part cassette tape in the both sides of first belt for carry on spacingly to first belt, before the cylinder starts, the first belt that is located driving pulley and first transmission pulley surface is in lax state, thereby sets up the spacing wheel of upper portion cassette tape and the spacing wheel of lower part cassette tape and carry on spacingly with first belt, prevents that first belt from droing under lax state.

Drawings

FIG. 1 is a schematic view of the internal structure of a dust-free cutting device for a plate;

FIG. 2 is a left side view of a cylinder of a dust-free cutting apparatus for a sheet material;

FIG. 3 is a left side view of a plate pushing mechanism and a dust collecting mechanism of a plate dust-free cutting device;

FIG. 4 is a schematic structural diagram of a plate fixing assembly of a plate dust-free cutting device.

In the figure: 1. a main body; 2. supporting legs; 3. a cylinder; 4. a transverse plate; 5. an extension shaft limiting plate; 6. a motor fixing plate; 7. a motor; 8. cutting the disc; 9. an extension shaft; 10. an upper cutting opening; 11. a drive pulley; 12. placing a bedplate; 13. an extension slide plate; 14. a slide plate groove; 15. a bedplate connecting rod; 16. a dust collection frame plate; 17. a dust collection box; 18. a dust collection box front department; 19. a long rack; 20. a cylindrical gear; 21. a lower rotating shaft; 22. a second drive pulley; 23. a first drive pulley; 24. a first belt; 25. the upper part is clamped with a limiting wheel; 26. the lower part is provided with a limiting wheel; 27. a second belt; 28. a driven pulley; 29. a first bevel gear; 30. an upper rotating shaft; 31. a second bevel gear; 32. a vertical rotating rod; 33. disc teeth; 34. a pinion gear; 35. a fan blade rotating shaft; 36. a blocking block; 37. a fan blade; 38. an inner groove of the bedplate; 39. a slider; 40. an L-shaped head fixture block; 41. fixing the bolt; 42. the tail part abuts against the block; 43. a bedplate sliding chute; 100. a transmission mechanism; 200. a plate pushing mechanism; 300. a dust collecting mechanism; 400. the panel fixed subassembly.

Detailed Description

Referring to fig. 1 to 4, the device comprises a main body 1, wherein a supporting leg 2 is fixedly connected to the bottom of the main body 1, a cylinder 3 is fixedly connected to the inner bottom surface of the main body 1, a transverse plate 4 is fixedly connected to the driving end of the cylinder 3, an extension shaft limiting plate 5 and a motor fixing plate 6 are respectively fixedly connected to the upper surface of the transverse plate 4, a motor 7 is fixedly connected to the inner portion of the motor fixing plate 6, an extension shaft 9 is fixedly connected to the driving end of the motor 7, the front end of the extension shaft 9 penetrates the top of the extension shaft limiting plate 5, a cutting disc 8 is fixedly connected to the surface of the extension shaft 9, an upper cutting opening 10 is formed in the upper side wall of the main body 1, two sliding plate grooves 14 are formed in both sides of the upper cutting opening 10, extension sliding plates 13 are slidably connected to the inner portions of the two sliding plate grooves 14, placing platens 12 are fixedly connected to opposite sides of the two extension sliding plates 13, platen connecting rods 15 are fixedly connected between the two placing platens 12, and the two connecting rods 15 are provided, two platen connecting rods 15 are respectively positioned at the front end and the rear end of the side wall of the placing platen 12, the initial position of the right platen connecting rod 15 is positioned at the right side of the cutting disc 8, a transmission mechanism 100 is arranged in the main body 1, the transmission mechanism 100 comprises a driving belt pulley 11, the driving belt pulley 11 is fixedly connected on the surface of the extending shaft 9, the front and rear directions of the inner side wall of the main body 1 are rotatably connected with a lower rotating shaft 21, the surface of the lower rotating shaft 21 is fixedly connected with a second transmission belt pulley 22 and a first transmission belt pulley 23, the surfaces of the driving belt pulley 11 and the first transmission belt pulley 23 are wound with a first belt 24, the front and rear directions of the inner side wall of the main body 1 are rotatably connected with an upper rotating shaft 30, the upper rotating shaft 30 is positioned right above the lower rotating shaft 21, the surface of the upper rotating shaft 30 is fixedly connected with a driven belt pulley 28, and a second belt 27 is wound between the driven belt pulley 28 and the second transmission belt pulley 22, the inside wall fore-and-aft direction of main part 1 rotates respectively and is connected with spacing round 25 of upper portion cassette tape and the spacing round 26 of lower part cassette tape, the quantity of the spacing round 25 of upper portion cassette tape and the spacing round 26 of lower part cassette tape is two, and the upper portion of first belt 24 passes between two spacing rounds 25 of upper portion cassette tape, the lower part of first belt 24 passes between two spacing rounds 26 of lower part cassette tape, be used for spacing first belt 24, before cylinder 3 starts, first belt 24 that is located driving pulley 11 and first drive pulley 23 surface is in lax state, set up the spacing round 25 of upper portion cassette tape and the spacing round 26 of lower part cassette tape and spacing first belt 24, prevent that first belt 24 from droing under lax state.

In FIGS. 1 to 4: the plate pushing mechanism 200 is arranged inside the main body 1, the plate pushing mechanism 200 comprises two cylindrical gears 20, the number of the cylindrical gears 20 is two, the two cylindrical gears 20 are fixedly connected to the surface of the upper rotating shaft 30, the lower surfaces of the two placing bedplate 12 are fixedly connected with long racks 19, the two long racks 19 and the two placing bedplate 12 are respectively meshed and connected with each other, a plate fixing component 400 is arranged above the placing bedplate 12, the plate fixing component 400 comprises two tail abutting blocks 42, the number of the tail abutting blocks 42 is two, the two tail abutting blocks 42 are respectively and fixedly connected to the right ends of the upper surfaces of the two placing bedplate 12, bedplate inner grooves 38 are respectively formed inside the two placing bedplate 12, bedplate sliding grooves 43 are respectively formed on the upper surfaces of the two placing bedplate 12, the bedplate inner grooves 38 and the bedplate sliding grooves 43 in the same placing bedplate 12 are communicated with each other, and sliding blocks 39 are respectively connected inside the two bedplate inner grooves 38, the upper surfaces of the two sliding blocks 39 are fixedly connected with L-shaped head clamping blocks 40, the upper portions of the two L-shaped head clamping blocks 40 penetrate through the bedplate sliding groove 43 and extend to the upper side of the placing bedplate 12, fixing bolts 41 are installed inside the two L-shaped head clamping blocks 40 in a penetrating mode, and the cylindrical gear 20 is rotated through transmission of the first belt 24 and the second belt 27, so that the placing bedplate 12 can move towards the right side automatically, and plates are cut by the cutting disc 8.

In FIGS. 1 to 3: the dust collecting mechanism 300 is arranged above the main body 1, the dust collecting mechanism 300 comprises a dust collecting box 17, dust collecting frame plates 16 are fixedly connected to two sides of the lower surface of the dust collecting box 17, the lower surfaces of the two dust collecting frame plates 16 are fixedly connected to the upper surface of the main body 1, two front dust collecting box doors 18 are arranged on the front surface of the dust collecting box 17, fan blade rotating shafts 35 are respectively arranged on two side walls of the dust collecting box 17 in a penetrating mode, fan blades 37 are respectively and fixedly connected to adjacent ends of the two fan blade rotating shafts 35, the fan blades 37 are positioned in the dust collecting box 17, pinions 34 are respectively and fixedly connected to outer side ends of the two fan blade rotating shafts 35, two vertical rotating rods 32 are respectively and fixedly connected to the upper side wall of the main body 1, plate teeth 33 are respectively and fixedly connected to the upper ends of the two vertical rotating rods 32, second bevel gears 31 are respectively and fixedly connected to the lower ends of the two vertical rotating rods 32, two first bevel gears 29 are fixedly connected to the surface of the upper rotating shaft 30, and a blocking block 36 is fixedly connected to the upper surface of the bottom wall of the dust collecting box 17, two first bevel gears 29 and two second bevel gears 31 are respectively connected with each other in an engaged manner, the disc teeth 33 are connected with the pinion 34 in an engaged manner, the number of the blocking blocks 36 is two, the two blocking blocks 36 are positioned on two sides of the bottom wall opening of the dust collection box 17, the cross section of each blocking block 36 is trapezoidal, the inclined edges of the two blocking blocks 36 face the inner sides of the two blocking blocks 36, the cross section of each blocking block 36 is trapezoidal, dust can be conveniently sucked towards the inside of the dust collection box 17 when the fan blades 37 rotate, dust is sucked into the dust collection box 17 and then is blocked by the blocking blocks 36, and dust is effectively prevented from falling to the surface on which the bedplate 12 is placed.

The working principle of the invention is as follows: when the plate dust-free cutting device is used, a plate to be cut needs to be fixed, the L-shaped head clamping block 40 is pushed to the left side, the sliding block 39 slides in the table plate inner groove 38, the L-shaped head clamping block 40 slides in the table plate sliding groove 43, when the L-shaped head clamping block 40 slides to the leftmost end, the sliding of the L-shaped head clamping block 40 is stopped, the plate to be cut is placed on the upper surface of the placing table plate 12, the plate is pushed, the front end of the plate abuts against the surface of the tail abutting block 42, the L-shaped head clamping block 40 is pushed back and forth in a reverse mode, the right surface of the L-shaped head clamping block 40 abuts against the left end of the plate, then the fixing bolt 41 is screwed, the bottom end of the fixing bolt 41 abuts against the upper surface of the plate, the plate is fixed, then the air cylinder 3 and the motor 7 are respectively started, and the motor 7 and the cutting disc 8 move upwards after the air cylinder 3 is started, finally, the cutting disk 8 is moved out of the upper surface of the main body 1 to cut the plate, and during the upward movement of the motor 7, the first belt 24 between the driving pulley 11 and the first driving pulley 23 is gradually tightened to drive the first driving pulley 23 to rotate, and under the connection of the lower rotating shaft 21, the second driving pulley 22 is made to follow and rotate, the second belt 27 on the surface of the second driving pulley 22 will pull the driven pulley 28 to rotate, the upper rotating shaft 30 will follow and rotate, the cylindrical gear 20 on the surface of the upper rotating shaft 30 will follow and rotate, so that the long rack 19 engaged and connected with the cylindrical gear 20 moves to the right, during the process, the plate is gradually moved to the right and cut by the cutting disk 8, and when the upper rotating shaft 30 rotates, the first bevel gear 29 on the surface of the upper rotating shaft 30 rotates, so that the second bevel gear 31 engaged and connected with the first bevel gear 29 rotates, therefore, the disc teeth 33 rotate along with the disc teeth, the pinion 34 rotates due to the meshing connection of the disc teeth 33 and the pinion 34, and finally the fan blades 37 rotate, so that substances such as smoke and dust generated in the cutting process are drawn into the dust collection box 17, after the cutting is finished, the motor 7 is stopped, the front door 18 of the dust collection box is opened, the substances such as smoke and dust in the dust collection box 17 are cleaned, after the cleaning is finished, the front door 18 of the dust collection box is closed again, the motor 7 is started reversely, the placing bedplate 12 is reset, the cylinder 3 and the motor 7 are closed, the cutting disc 8 returns to the initial position, the fixing bolt 41 is unscrewed, the L-shaped head clamping block 40 slides, and the cut plate is taken down.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.