CN113172711A

CN113172711A - Dustproof cutting device is used in panel processing

Info

Publication number: CN113172711A
Application number: CN202110517987.4A
Authority: CN
Inventors: 闻掌根
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-07-27

Abstract

The invention discloses a dustproof cutting device for processing plates, which belongs to the technical field of wood processing and comprises a workbench, a first fixing component, a second fixing component and a cutting component, wherein the first fixing component is arranged on the workbench, a lifting component and a pushing component are distributed in front of and behind a processing area, two clamping ends are distributed on the left side and the right side of the processing area, the cutting component is arranged above the workbench, and the cutting component is provided with a cutting end and a driving structure for driving the cutting end to move. According to the invention, the plate is placed into the processing area of the workbench from the front of the workbench, then the two clamping ends of the second fixing component synchronously move from the two sides of the operation, then the cutting component cuts the front side and the rear side of the plate, the two clamping ends of the second fixing component are loosened, the left side and the right side of the plate are cut, the plate does not need to be repeatedly moved in the process, the processing time is saved, and the processing efficiency is improved.

Description

Dustproof cutting device is used in panel processing

Technical Field

The invention relates to the technical field of wood processing, in particular to a dustproof cutting device for processing plates.

Background

The multi-layer board is a three-layer or multi-layer plate material formed by rotationally cutting wood sections into single boards or slicing wood into thin wood and gluing the single boards by using an adhesive, the multi-layer board is usually formed by gluing odd-number layers of single boards in a way that fiber directions of the single boards on adjacent layers are mutually vertical, the multi-layer board is one of common materials for furniture processing enterprises, and after the multi-layer board is pressed, four sides of the board are required to be cut and trimmed to be in accordance with the designed size and shape.

Such as a dust-proof cutting device for wood processing with publication number CN 109015927B. The invention aims to provide a dust-proof cutting device for wood processing, which can reduce the generation of wood cutting dust and reduce the labor intensity of workers. A dust-proof cutting device for wood processing comprises a bottom plate, side plates, a top plate, a first collecting frame, a supporting seat, a second bearing seat, a cylinder, a first sliding rod, a first sliding sleeve, a lifting plate and the like; the curb plate rigid coupling is in a bottom plate lateral part, and the cutting bed passes through the supporting seat rigid coupling in bottom plate top, and first collection frame is placed between supporting seat and curb plate, and the second is collected the frame and is placed in the cutting bed bottom.

However, the device has the following problems that firstly, the device can only perform linear cutting on one side of the plate, when the plate needs to be cut all around, the position of the plate needs to be continuously moved for positioning, the operation is complex, the cutting position is inaccurate easily, the cutting efficiency is low, secondly, dust is cleaned by a fan dust absorption method, the larger wood chip waste material is heavy and cannot be sucked away, the accumulation on the cutting device is easily caused, and the subsequent cutting is further influenced.

Disclosure of Invention

The embodiment of the invention provides a dustproof cutting device for processing a plate, and aims to solve the technical problems that only one side of the plate can be linearly cut, when the periphery of the plate needs to be cut, the position of the plate needs to be continuously moved for positioning, the operation is complicated, the cutting position is inaccurate easily, the cutting efficiency is low, dust is cleaned by a fan dust collection method, the weight of large sawdust waste is large, the large sawdust waste cannot be sucked away, the large sawdust waste is easily accumulated on the cutting device, and the subsequent cutting is influenced.

The embodiment of the invention adopts the following technical scheme: including the workstation, prevent cutting the platform, first fixed subassembly, the fixed subassembly of second and cutting assembly, prevent cutting the processing region of platform setting on the workstation, first fixed subassembly sets up on the workstation, first fixed subassembly includes lifting unit and pushing assembly, lifting unit and pushing assembly distribute in the place ahead and the rear of processing region, the fixed subassembly of second has two to press from both sides tight end, and two press from both sides tight end and distribute on the left side and the right side of processing region, cutting assembly is in the top of workstation, cutting assembly is equipped with a cutting end and makes the cutting end carry out the drive structure who removes.

Further, the driving structure of the cutting assembly comprises a screw rod sliding table, a cutting frame, a motor fixing block, a first motor, a toothed column, a sliding block and a rack, the driving end of the cutting assembly comprises a cutting piece, the cutting frame is arranged on the workbench, the screw rod sliding table is arranged beside the cutting frame, the motor fixing block is arranged beside the cutting frame, the first motor is arranged on the motor fixing block, the toothed column penetrates through the cutting frame, the toothed column is fixedly connected with a main shaft of the first motor, the sliding block is in sliding fit with the screw rod sliding table, the rack is in interactive fit with the sliding block, the axis direction of the rack is perpendicular to the axis direction of the toothed column, the rack is meshed with the toothed column, the cutting assembly further comprises a third motor, a fourth motor and a rotating seat, the third motor is arranged on the rack, and the main shaft of the third motor is vertically and downwards arranged, the main shaft fixed connection who rotates seat and third motor, the fourth motor sets up on rotating the seat, the main shaft fixed connection of cutting piece and fourth motor, the length between cutting piece least significant end to the workstation is less than the height of preventing cutting the platform.

Further, the lifting assembly comprises a cylinder fixing seat, a lifting cylinder and a lifting plate, the cylinder fixing seat is arranged on the lower surface of the top of the workbench, the lifting cylinder is arranged on the cylinder fixing seat and the telescopic end of the lifting cylinder is vertically arranged upwards, a lifting groove is formed in the workbench, the lifting plate is arranged in the lifting groove and is in sliding fit with the workbench, and the lifting plate is fixedly connected with the telescopic end of the lifting cylinder.

Further, promote the subassembly and include sliding block, fixed column, slip post, motor fixing base, fixed motor, turning block and elevator, be equipped with the spout on the workstation, the sliding block sets up in the spout and sliding block and workstation sliding fit, the fixed column sets up on the sliding block, the lower fixed surface of slip post and sliding block is connected, elevator and slip post sliding fit, the motor fixing base sets up the below at the workstation, fixed motor sets up on the motor fixing base, the axis direction of fixed motor main shaft sets up with the axis direction of slip post is perpendicular, the one end of turning block and fixed motor's main shaft fixed connection, the other end and the elevator normal running fit of turning block.

Further, the second fixing component comprises a rotating shaft, a cylinder fixing frame, a fixed cylinder, a rotating block, two fixing rods and two fixing blocks, the two fixing blocks are clamping ends of the second fixing component, the rotating shaft is arranged on the lower surface of the top of the workbench, the cylinder fixing frame is arranged beside the rotating shaft, the fixed cylinder is arranged on the cylinder fixing frame, the middle position of the rotating block is in rotating fit with the rotating shaft, the workbench is provided with two symmetrical limiting grooves, the two fixing blocks are respectively arranged in the two limiting grooves and are in sliding fit with the workbench, one of them fixed block and the flexible end fixed connection of fixed cylinder, two the one end of dead lever is respectively with two fixed block normal running fit, two the other end of dead lever is respectively with the both ends normal running fit of rotatory piece.

The cutting-proof machine further comprises a cleaning assembly, the cleaning assembly comprises a cleaning seat, a cleaning cylinder, a collecting box, two broken blades, two cleaning blocks and two pushing blocks, the two cleaning grooves are symmetrically arranged on the workbench, the length of the two cleaning grooves is 1.2-1.5 times of the distance from the left side to the right side of a processing area of the workbench 1, the two broken blades are radially arranged on the left side and the right side of the cutting-proof workbench, the two cleaning blocks are respectively and fixedly connected with the two fixing blocks, the two cleaning blocks are respectively butted with the two broken blades, the cleaning seat is arranged beside a cylinder fixing seat, the cleaning cylinder is arranged on the cleaning seat, the workbench is symmetrically provided with two pushing grooves perpendicular to the cleaning grooves, one of the pushing blocks is arranged in the two pushing grooves and is in sliding fit with the workbench, the other pushing block is arranged on a sliding block, the collecting box is arranged at the bottom of the workbench.

Furthermore, the collecting box includes four universal wheels of handle, four the universal wheel is the square setting of rectangle in the bottom of collecting box, the handle sets up on the lateral wall of collecting box.

Further, still include the dust absorption subassembly, the dust absorption subassembly includes dust absorption frame, fan and dust case, the dust absorption frame sets up on the workstation, the fan sets up on the dust absorption frame, the air intake of fan sets up downwards, the dust case sets up on the dust absorption frame and the dust case is connected with the air outlet of fan, be equipped with the drawer on the dust case.

The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:

firstly, the cutting blade is driven by a fourth motor to rotate; the left and right movement of the cutting blade is realized through a screw rod sliding table, and the front and back movement of the cutting blade is realized through a toothed column driving rack; wherein the cutting piece can also turn to, its effect is after or about both sides before the cutting piece is cut, when cutting to other both sides, carries out ninety degrees turn to for panel is aimed at to the cutting piece, turns to by third motor drive, need not remove panel just can cut around to panel and polish, improves the efficiency of cutting processing.

Secondly, after the cutting assembly cuts the left side and the right side of the plate, the two cleaning blocks are driven by the two fixing blocks to move relatively, the sawdust waste on the left side and the right side of the anti-cutting table moves to the two breaking blades and is broken by the breaking blades, and the sawdust waste on the left side and the right side of the anti-cutting table slides down to the collection box from the cleaning groove; after the cutting assembly cuts the front side and the rear side of the plate, the sliding block drives one of the pushing blocks to move, and the pushing block pushes the sawdust waste in front of the working area to slide down to the collecting box from the cleaning groove; the cleaning air cylinder works to drive the other pushing block to move, and the pushing block pushes the sawdust waste behind the working area to slide down to the collecting box from the cleaning groove; the cleaning of the large sawdust waste in the four directions of the plate is completed, the large sawdust waste is prevented from being accumulated on the workbench to influence the cutting quality of the plate, and the accuracy of plate cutting is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a first perspective view of the cutting assembly of the present invention;

FIG. 4 is a second perspective view of the cutting assembly of the present invention;

FIG. 5 is a first perspective view of a first securing assembly and a portion of a cleaning assembly in accordance with the present invention;

FIG. 6 is a second perspective view of the first securing assembly and a portion of the cleaning assembly of the present invention;

FIG. 7 is a perspective view of a second fixing assembly of the present invention;

FIG. 8 is a perspective view of a second securing assembly and a portion of the cleaning assembly of the present invention;

FIG. 9 is a perspective view of the cleaning assembly of the present invention;

fig. 10 is an enlarged view of a portion a in fig. 5.

Reference numerals

1. A work table; 2. a cutting prevention table; 3. a first fixed component; 31. a lifting assembly; 320. a pushing assembly; 311. a cylinder fixing seat; 312. a lifting cylinder; 313. a lifting plate; 32. a slider; 33. fixing a column; 34. a sliding post; 35. a motor fixing seat; 36. fixing a motor; 37. rotating the block; 38. a lifting block; 4. a second fixed component; 41. a rotating shaft; 42. a cylinder fixing frame; 43. fixing the air cylinder; 44. rotating the block; 45. fixing the rod; 46. a fixed block; 5. a cutting assembly; 51. a screw rod sliding table; 52. a cutting frame; 53. a motor fixing block; 54. a first motor; 55. a tooth post; 56. a slider; 57. a rack; 58. a third motor; 59. a fourth motor; 510. a rotating seat; 512. cutting the slices; 6. cleaning the assembly; 61. cleaning a seat; 62. cleaning the air cylinder; 63. a collection box; 64. breaking off the blade; 65. cleaning the block; 66. a pushing block; 631. a universal wheel; 632. a handle; 7. a dust collection assembly; 71. a dust collection frame; 72. a fan; 73. a dust box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 10, an embodiment of the present invention provides a dust-proof cutting device for processing a sheet material, including a workbench 1, a cutting-proof table 2, a first fixing assembly 3, a second fixing assembly 4, and a cutting assembly 5, where the cutting-proof table 2 is disposed in a processing area on the workbench 1, the first fixing assembly 3 is disposed on the workbench 1, the first fixing assembly 3 includes a lifting assembly 31 and a pushing assembly 320, the lifting assembly 31 and the pushing assembly 320 are disposed in front of and behind the processing area, the second fixing assembly 4 has two clamping ends, the two clamping ends are disposed on the left side and the right side of the processing area, the cutting assembly 5 is disposed above the workbench 1, and the cutting assembly 5 is provided with a cutting end and a driving structure for moving the cutting end. In the cutting process, a plate is placed into a processing area of the workbench 1 from the front of the workbench 1, the lifting assembly 31 in front of the workbench 1 is used for lifting and positioning the plate, then the two clamping ends of the second fixing assembly 4 synchronously move from the two sides of operation to clamp the plate, so that the center parting line of the plate is aligned with the center parting line of the processing area, then the cutting assembly 5 cuts the front side and the rear side of the plate, after the cutting is finished, the two clamping ends of the second fixing assembly 4 are loosened to push the assembly 320 to move to abut against the rear side of the plate, so that the front side and the rear side of the plate are clamped, the left side and the right side of the plate are cut, the cutting and trimming of the four sides of the plate are finished, the plate does not need to be repeatedly moved in the process, the processing time is saved, and the processing efficiency is improved.

Preferably, as shown in fig. 3 to 4, the driving structure of the cutting assembly 5 of the present invention includes a screw rod sliding table 51, a cutting frame 52, a motor fixing block 53, a first motor 54, a rack 55, a sliding block 56 and a rack 57, the driving end of the cutting assembly 5 includes a cutting blade 512, the cutting frame 52 is disposed on the worktable, the screw rod sliding table 51 is disposed beside the cutting frame 52, the motor fixing block 53 is disposed beside the cutting frame 52, the first motor 54 is disposed on the motor fixing block 53, the rack 55 penetrates through the cutting frame 52, the rack 55 is fixedly connected with a spindle of the first motor 54, the sliding block 56 is in sliding fit with the screw rod sliding table 51, the rack 57 and the sliding block 56 are in interactive fit, an axial direction of the rack 57 is perpendicular to an axial direction of the rack 55, the rack 57 and the rack 55 are engaged with each other, the cutting assembly 5 further includes a third motor 58, Fourth motor 59 and rotation seat 510, third motor 58 sets up on rack 57 and the vertical downward setting of main shaft of third motor 58, rotate seat 510 and third motor 58's main shaft fixed connection, fourth motor 59 sets up on rotating seat 510, cutting piece 512 and fourth motor 59's main shaft fixed connection, the length of cutting piece 512 least significant end between to workstation 1 is less than the height of preventing cutting platform 2. The cutting blade 512 is driven by the fourth motor 59 to rotate; the left and right movement of the cutting blade 512 is realized by a screw rod sliding table 51, and the front and back movement of the cutting blade 512 is realized by a rack 57 driven by a toothed column 55; wherein the cutting piece 512 can also turn to, its effect is after cutting piece 512 has cut before and after or about both sides, when cutting to other both sides, carries out ninety degrees turn to for cutting piece 512 aims at panel, turns to and is driven by third motor 58, need not remove panel just can cut around panel and polish, improves the efficiency of cutting process, prevents cutting platform 2 and prevents that cutting piece 512 from causing the damage to workstation 1 in the cutting process.

Preferably, as shown in fig. 5 to 6, the lifting assembly 31 of the present invention includes a cylinder fixing seat 311, a lifting cylinder 312 and a lifting plate 313, wherein the cylinder fixing seat 311 is disposed on the lower surface of the top of the workbench 1, the lifting cylinder 312 is disposed on the cylinder fixing seat 311, the telescopic end of the lifting cylinder 312 is disposed vertically upward, a lifting groove is disposed on the workbench 1, the lifting plate 313 is disposed in the lifting groove, the lifting plate 313 is in sliding fit with the workbench 1, and the lifting plate 313 is fixedly connected with the telescopic end of the lifting cylinder 312. The lifting cylinder 312 drives the lifting plate 313 to ascend, so that the plate can be abutted against the lifting plate 313.

Preferably, the pushing assembly 320 of the present invention includes a sliding block 32, a fixed column 33, a sliding column 34, a motor fixing seat 35, a fixed motor 36, a rotating block 37 and a lifting block 38, wherein a sliding slot is formed on the workbench 1, the sliding block 32 is disposed in the sliding slot, the sliding block 32 is in sliding fit with the workbench 1, the fixed column 33 is disposed on the sliding block 32, the sliding column 34 is fixedly connected with the lower surface of the sliding block 32, the lifting block 38 is in sliding fit with the sliding column 34, the motor fixing seat 35 is disposed below the workbench 1, the fixed motor 36 is disposed on the motor fixing seat 35, the axial direction of the main shaft of the fixed motor 36 is perpendicular to the axial direction of the sliding column 34, one end of the rotating block 37 is fixedly connected with the main shaft of the fixed motor 36, and the other end of the rotating block 37 is in rotating fit with the lifting block 38. Fixed motor 36 work drives the turning block 37 rotatory, the one end and the elevator 38 of turning block 37 are normal running fit, thereby make turning block 37 drive elevator 38 and use fixed motor 36's main shaft to rotate as the centre of a circle, make elevator 38 slide from top to bottom on slip post 34, thereby drive and slide about post 34, slip post 34 drives sliding block 32 and slides in the sliding tray, sliding block 32 drives fixed column 33 and removes, fixed column 33 and elevator 38 press from both sides tight fixed to the relative both sides of the panel of different models, be convenient for cutting assembly 5 cuts the both sides that panel is not fixed, avoid panel removal when the cutting to influence the accuracy of cutting, improve the quality of panel cutting.

Preferably, referring to fig. 7-8, the second fixing assembly 4 of the present invention includes a rotating shaft 41, a cylinder fixing frame 42, a fixing cylinder 43, a rotating block 44, two fixing rods 45 and two fixing blocks 46, wherein the two fixing blocks 46 are clamping ends of the second fixing assembly 4, the rotating shaft 41 is disposed on a lower surface of a top portion of the workbench 1, the cylinder fixing frame 42 is disposed beside the rotating shaft 41, the fixing cylinder 43 is disposed on the cylinder fixing frame 42, a middle position of the rotating block 44 is rotatably fitted with the rotating shaft 41, the workbench 1 is provided with two symmetrical limiting grooves, the two fixing blocks 46 are respectively disposed in the two limiting grooves, the two fixing blocks 46 are slidably fitted with the workbench 1, one of the fixing blocks 46 is fixedly connected with a telescopic end of the fixing cylinder 43, one end of the two fixing rods 45 is rotatably fitted with the two fixing blocks 46, the other ends of the two fixing rods 45 are respectively in running fit with the two ends of the rotating block 44. The left and right fixing blocks 46 are clamped by driving one fixing block 46 to slide in the limiting groove by the work of the fixing cylinder 43 so as to drive one fixing rod 45 to rotate, one fixing rod 45 rotates 44 on the rotating shaft 41, the other fixing rod 45 is driven to rotate, and the other fixing block 46 is further driven to slide in the limiting groove, so that the two fixing blocks 46 move relatively to clamp and fix the two sides of the cut plate.

Preferably, as shown in fig. 5-8, the invention further comprises a cleaning assembly 6, wherein the cleaning assembly 6 comprises a cleaning seat 61, a cleaning cylinder 62, a collecting box 63, two broken blades 64, two cleaning blocks 65 and two pushing blocks 66, the workbench 1 is provided with two symmetrical cleaning grooves, the length of the two cleaning grooves is 1.2 to 1.5 times of the distance from the left side to the right side of the processing area of the workbench 1, the two broken blades 64 are radially arranged on the left side and the right side of the cutting-proof platform 2, the two cleaning blocks 65 are respectively and fixedly connected with the two fixing blocks 46, the two cleaning blocks 65 are respectively and butt-jointed with the two broken blades 64, the cleaning seat 61 is arranged on the side of a cylinder fixing seat 311, the cleaning cylinder 62 is arranged on the cleaning seat 61, the workbench 1 is symmetrically provided with two pushing grooves perpendicular to the cleaning grooves, one of the pushing blocks 66 is arranged in the two pushing grooves and the pushing blocks 66 are in sliding fit with the workbench 1, the other of said pushing blocks 66 is arranged on the sliding block 32 and said collecting box 63 is arranged at the bottom of the table 1. After the cutting assembly 5 finishes cutting the left side and the right side of the plate, the two cleaning blocks 65 are respectively driven by the two fixing blocks 46 to perform relative motion, so that the sawdust waste on the left side and the right side of the anti-cutting table 2 moves to the two breaking blades 64 and is broken by the breaking blades 64, and the sawdust waste on the left side and the right side of the anti-cutting table 2 slides to the collection box from the cleaning grooves; after the cutting assembly 5 finishes cutting the front side and the rear side of the plate, the sliding block 32 drives one of the pushing blocks 66 to move, and the pushing block 66 pushes the sawdust waste in front of the working area to slide from the cleaning groove to the collecting box 63; the cleaning air cylinder 62 works to drive the other pushing block 66 to move, and the pushing block 66 pushes the sawdust waste behind the working area to slide down from the cleaning groove to the collecting box 63; the cleaning of the large sawdust waste in four directions of the plate is finished, the phenomenon that the cutting quality of the plate is affected due to the fact that the large sawdust waste is accumulated on the workbench 1 is avoided, and the accuracy of plate cutting is improved.

Preferably, referring to fig. 1, the collection box 63 of the present invention comprises a handle 632 and four universal wheels 631, wherein the four universal wheels 631 are disposed at the bottom of the collection box 63 in a rectangular shape, and the handle 632 is disposed on the side wall of the collection box 63. The collection box 63 is drawn out by pulling the handle 632, and the four universal wheels 631 make the movement of the collection box 63 filled with the wood waste more convenient and faster.

Preferably, referring to fig. 9, in the dust collection assembly 7 of the present invention, the dust collection assembly 7 includes a dust collection frame 71, a fan 72 and a dust box 73, the dust collection frame 71 is disposed on the workbench 1, the fan 72 is disposed on the dust collection frame 71, an air inlet of the fan 72 is disposed downward, the dust box 73 is disposed on the dust collection frame 71, the dust box 73 is connected with an air outlet of the fan 72, and a drawer is disposed on the dust box 73. Dust absorption frame 71 prevents that the dust from flying upward everywhere and influencing staff's healthy, and fan 72 work inhales tiny dust into dust box 73, draws the drawer on the dust box 73 again and carries out unified processing to the dust, improves the dustproof efficiency of panel processing.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a panel processing is with dustproof cutting device which characterized in that: including workstation (1), prevent cutting platform (2), first fixed subassembly (3), the fixed subassembly of second (4) and cutting assembly (5), prevent cutting platform (2) and set up the processing region on the workstation (1), first fixed subassembly (3) set up on workstation (1), first fixed subassembly (3) are including lifting unit (31) and push assembly (320), lifting unit (31) and push assembly (320) distribute in the place ahead and the rear of processing region, the fixed subassembly of second (4) have two to press from both sides tight end, and two press from both sides tight end and distribute in the left side and the right side of processing region, cutting assembly (5) are in the top of workstation (1), cutting assembly (5) are equipped with one and cut the end and make the drive structure that the cutting end moved.

2. The dustproof cutting device for sheet processing according to claim 1, wherein: the drive structure of cutting unit (5) includes lead screw slip table (51), cutting frame (52), motor fixed block (53), first motor (54), tooth post (55), slider (56) and rack (57), the drive end of cutting unit (5) includes cutting piece (512), cutting frame (52) set up on the workstation, lead screw slip table (51) set up the side at cutting frame (52), motor fixed block (53) set up the side at cutting frame (52), first motor (54) set up on motor fixed block (53), tooth post (55) run through cutting frame (52), the main shaft fixed connection of tooth post (55) and first motor (54), slider (56) and lead screw slip table (51) sliding fit, rack (57) and slider (56) interactive fit and the axis direction of rack (57) set up with the axis direction of tooth post (55) is perpendicular, rack (57) and tooth post (55) intermeshing, cutting subassembly (5) still include third motor (58), fourth motor (59) and rotate seat (510), third motor (58) set up on rack (57) and the vertical downward setting of main shaft of third motor (58), rotate the main shaft fixed connection of seat (510) and third motor (58), fourth motor (59) set up on rotating seat (510), the main shaft fixed connection of cutting piece (512) and fourth motor (59), length between cutting piece (512) least significant end to workstation (1) is less than the height of preventing cutting platform (2).

3. The dustproof cutting device for sheet processing according to claim 1, wherein: lifting unit (31) include cylinder fixing base (311), lift cylinder (312) and lifter plate (313), cylinder fixing base (311) set up at workstation (1) top lower surface, lift cylinder (312) set up on cylinder fixing base (311) and lift cylinder (312) the vertical upwards setting of flexible end, be equipped with the lift groove on workstation (1), lifter plate (313) set up at lift inslot and lifter plate (313) and workstation (1) sliding fit, lifter plate (313) and the flexible end fixed connection of lift cylinder (312).

4. The dustproof cutting device for sheet processing according to claim 3, wherein: the pushing assembly (320) comprises a sliding block (32), a fixed column (33), a sliding column (34), a motor fixed seat (35), a fixed motor (36), a rotating block (37) and a lifting block (38), a sliding groove is formed in the workbench (1), the sliding block (32) is arranged in the sliding groove, the sliding block (32) is in sliding fit with the workbench (1), the fixed column (33) is arranged on the sliding block (32), the sliding column (34) is fixedly connected with the lower surface of the sliding block (32), the lifting block (38) is in sliding fit with the sliding column (34), the motor fixed seat (35) is arranged below the workbench (1), the fixed motor (36) is arranged on the motor fixed seat (35), the axial direction of a main shaft of the fixed motor (36) is perpendicular to the axial direction of the sliding column (34), one end of the rotating block (37) is fixedly connected with the main shaft of the fixed motor (36), the other end of the rotating block (37) is in rotating fit with the lifting block (38).

5. The dustproof cutting device for sheet processing according to claim 4, wherein: the second fixing component (4) comprises a rotating shaft (41), a cylinder fixing frame (42), a fixing cylinder (43), a rotating block (44), two fixing rods (45) and two fixing blocks (46), wherein the fixing blocks (46) are clamping ends of the second fixing component (4), the rotating shaft (41) is arranged on the lower surface of the top of the workbench (1), the cylinder fixing frame (42) is arranged at the side of the rotating shaft (41), the fixing cylinder (43) is arranged on the cylinder fixing frame (42), the middle position of the rotating block (44) is in running fit with the rotating shaft (41), the workbench (1) is provided with two symmetrical limiting grooves, the two fixing blocks (46) are respectively arranged in the two limiting grooves, and the two fixing blocks (46) are in sliding fit with the workbench (1), one of the fixing blocks (46) is fixedly connected with the telescopic ends of the fixing cylinders (43), one end of each of the two fixing rods (45) is in running fit with the two fixing blocks (46), and the other end of each of the two fixing rods (45) is in running fit with the two ends of the rotating block (44).

6. The dustproof cutting device for sheet processing according to claim 5, wherein: the cleaning device is characterized by further comprising a cleaning assembly (6), wherein the cleaning assembly (6) comprises a cleaning seat (61), a cleaning cylinder (62), a collecting box (63), two breaking blades (64), two cleaning blocks (65) and two pushing blocks (66), two symmetrical cleaning grooves are formed in the workbench (1), the length of each cleaning groove is 1.2-1.5 times of the distance from the left side to the right side of a machining area of the workbench (1), the two breaking blades (64) are radially arranged on the left side and the right side of the anti-cutting platform (2), the two cleaning blocks (65) are fixedly connected with the two fixing blocks (46) respectively, the two cleaning blocks (65) are butted with the two breaking blades (64) respectively, the cleaning seat (61) is arranged on the side of the cylinder fixing seat (311), the cleaning cylinder (62) is arranged on the cleaning seat (61), the two pushing grooves perpendicular to the cleaning grooves are symmetrically formed in the workbench (1), one of the pushing blocks (66) is arranged in the two pushing grooves, the pushing blocks (66) are in sliding fit with the workbench (1), the other pushing block (66) is arranged on the sliding block (32), and the collecting box (63) is arranged at the bottom of the workbench (1).

7. The dustproof cutting device for sheet processing according to claim 6, wherein: the collecting box (63) comprises four universal wheels (631) of a handle (632), the four universal wheels (631) are arranged at the bottom of the collecting box (63) in a rectangular shape, and the handle (632) is arranged on the side wall of the collecting box (63).

8. The dustproof cutting device for sheet processing according to claim 1, wherein: still include dust absorption assembly (7), dust absorption assembly (7) are including dust absorption frame (71), fan (72) and dust case (73), dust absorption frame (71) set up on workstation (1), fan (72) set up on dust absorption frame (71), the air intake of fan (72) sets up downwards, dust case (73) set up on dust absorption frame (71) and dust case (73) are connected with the air outlet of fan (72), be equipped with the drawer on dust case (73).