CN211966112U - Building cutting machine with dust collection structure - Google Patents

Abstract

The utility model relates to a building cutting machine with dust collection structure relates to the technical field of cutting machine, which comprises a frame, cutting device, be provided with dust absorption mechanism in the frame, dust absorption mechanism includes suction hood, suction box, filter screen, dust absorption pipe, dust absorption fan, collection device, and the suction hood sets up in the frame, and the suction box sets up in the frame, and the filter screen setting is on the suction box, and the dust absorption pipe both ends are connected with suction hood and suction box respectively, and the dust absorption fan sets up on the suction box, and collection device sets up on the suction box and collects the impurity of suction box. The utility model discloses a dust absorption fan starts, and the impurity that the cutting material produced loops through in suction hood and the dust absorption pipe enters into the dust absorption case, consequently persists in the dust absorption case under the effect that blocks of filter screen, then comes to collect impurity through collection device to this has reduced impurity and has entered into the environment, has reduced the pollution of impurity to the environment, has also reduced the injury of impurity to staff's health simultaneously.

Description

Building cutting machine with dust collection structure

Technical Field

The utility model belongs to the technical field of the technique of cutting machine and specifically relates to a building cutting machine with dust collection structure is related to.

Background

The building engineering refers to an engineering entity formed by the construction of various house buildings and their auxiliary facilities and the installation activities of lines, pipelines and equipment matched with the house buildings, wherein the house buildings refer to the engineering which has a top cover, a beam column, a wall, a foundation and can form an internal space and meet the requirements of people on production, living, learning and public activities, and a building cutting machine is needed in the construction process of the building engineering to cut building materials into required sizes or shapes.

In the prior art, reference can be made to the Chinese utility model with the publication number of CN207127564U, which discloses a building cutting machine with good clamping effect, comprising a bottom box, wherein the left side of the top of the bottom box is fixedly connected with an electric telescopic rod, the top of the electric telescopic rod is fixedly connected with a support plate, the right side of the bottom of the support plate is fixedly connected with a vertical plate, the bottom of the left side of the vertical plate is fixedly connected with a cutting device, the bottom of the right side of the inner wall of the bottom box is fixedly connected with a motor, the output end of the motor is fixedly connected with a worm, a worm wheel meshed with the worm is arranged in the bottom box, the front of the worm wheel is fixedly connected with a rotary table, the top of the rotary table surface is fixedly connected with a transmission shaft, the surface of the transmission shaft is sleeved with a transmission frame, the equal fixedly connected with carriage release lever in both sides at diaphragm top, the outside fixedly connected with clamp splice that the bottom case was run through and extended to the bottom case in the top of carriage release lever. The user places the material at the top of under casing earlier, open the motor through the peripheral hardware controller, the motor drives the worm and rotates, the worm rotates and drives the worm wheel and rotate, the worm wheel rotates and drives the carousel and rotate, the carousel rotates through the transmission shaft, transmission frame and removal post drive diaphragm move, the diaphragm removes and drives the carriage release lever and remove, the carriage release lever removes and drives the clamp splice and removes, it presss from both sides tightly the material to remove through the clamp splice, thereby reached and pressed from both sides tight effectual purpose, then open electric telescopic handle through the peripheral hardware controller, electric telescopic handle drives cutting device through backup pad and riser and removes, remove through cutting device and cut.

The technical scheme has the following defects: the material can form more impurity when cutting, and these impurity can cause great pollution to the environment, need the staff to operate at the cutting machine during operation simultaneously, consequently the staff inhales impurity easily to cause the injury to the staff health.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a building cutting machine with dust collection structure has reduced impurity and has entered into the environment, has reduced the pollution of impurity to the environment, has also reduced the injury of impurity to the staff health simultaneously.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a building cutting machine with dust collection structure, includes the frame, sets up the cutting device in the frame, be provided with dust absorption mechanism in the frame, dust absorption mechanism includes suction hood, suction box, filter screen, dust absorption pipe, dust absorption fan, collection device, the suction hood sets up in the frame and covers cutting device, the suction box sets up in the frame, the filter screen sets up on the suction box inside wall, dust absorption pipe both ends are connected with the suction hood and the suction box that is located the filter screen below respectively, dust absorption fan sets up on the suction box that is located the filter screen top and communicates with the suction box, collection device sets up on the bottom of the suction box bottom and collects the impurity in the suction box.

Through adopting above-mentioned technical scheme, cutting device starts to cut the material, and the dust absorption fan starts simultaneously, and the impurity that the cutting material produced enters into the suction hood, then enters into the dust absorption case through the dust absorption pipe, and consequently impurity persists in the dust absorption case under the effect of blockking of filter screen, then collects impurity through collection device to this has reduced impurity and has entered into the environment, has reduced the pollution of impurity to the environment, has also reduced the injury of impurity to staff's health simultaneously.

Preferably, the collecting device comprises a collecting cover, a collecting pipe and a collecting bag, the collecting cover is arranged at the bottom of the collecting box, communicated with the collecting box and in a prismoid shape, the collecting pipe is arranged at the bottom of the collecting cover and communicated with the collecting cover, and the collecting bag is sleeved on the collecting pipe and collects impurities in the dust collection box.

Through adopting above-mentioned technical scheme, impurity in the dust absorption case moves down to collect in the cover, then removes in the collecting bag through the collecting pipe and collects, collects the bag and fills with the back, changes the collecting bag so that continue to collect impurity to this reaches the purpose of collecting impurity.

Preferably, be provided with the clearance subassembly that carries out the clearance to the filter screen on the suction box, the clearance subassembly includes cleaning plate, brush, driving piece, the cleaning plate level slides and sets up on the suction box that is located the filter screen below, the brush equipartition sets up on the lateral wall that the cleaning plate is close to filter screen one side and contradicts on filter screen lower side wall, the driving piece sets up on the suction box and drives cleaning plate horizontal migration.

By adopting the technical scheme, the impurities are easily attached to the filter screen under the action of the dust collection fan, so that the filter screen is easily blocked, and the collection effect of the dust collection fan on the impurities is reduced; the driving piece starts to drive the cleaning plate to move horizontally, and the cleaning plate moves horizontally to drive the hairbrush to move horizontally to clean the lower side wall of the filter screen, so that the probability of filter screen filtering hole blockage is reduced, and the collecting effect of the dust collection fan on impurities is improved.

Preferably, the cutting device comprises a bottom plate, a telescopic cylinder, a fixing plate, a cutting motor and a cutting blade, wherein the bottom plate is arranged on the rack and supports materials, the telescopic cylinder is arranged on the rack and is in a vertical state, the fixing plate is arranged on a piston rod of the telescopic cylinder, the cutting motor is arranged on the fixing plate, and the cutting blade is arranged on an output shaft of the cutting motor and has an axis vertical to the running direction of the materials; the dust hood is arranged on the fixing plate and covers the cutting blade, and the dust collection box is arranged on the fixing plate.

Through adopting above-mentioned technical scheme, place the bottom plate with the material on, the cutting motor starts to drive the cutting piece and rotates, and telescopic cylinder starts to drive the fixed plate and moves down, and the fixed plate moves down and takes the cutting piece to move down, and the cutting piece moves the cutting material down, and after the cutting was accomplished, telescopic cylinder started to drive the cutting piece and keeps away from the material so that the material is cut next time to this reaches telescopic cylinder and starts the purpose of cutting the material.

Preferably, be provided with the tight subassembly of clamp of tight material in the frame, tight subassembly of clamp includes splint, clamping screw, presss from both sides tight motor, splint slide to set up on the bottom plate and support tightly on the both sides wall of material, clamping screw rotates to set up on the bottom plate and offers two sections helix opposite direction's screw thread and respectively with splint threaded connection, press from both sides tight motor setting on the bottom plate and be connected with clamping screw.

Through adopting above-mentioned technical scheme, press from both sides tight motor start-up and drive the tight screw rotation of clamp, press from both sides tight screw rotation and drive two splint and be close to each other or keep away from and press from both sides tight material or loosen the material to material not hard up probability when having reduced the cutting material has improved the cutting quality of cutting the material.

Preferably, the collecting bag is sleeved with an elastic ring for fixing the collecting bag.

Through adopting above-mentioned technical scheme, through the setting of elastic ring to the purpose of collecting the bag is convenient for change, reaches the efficiency that improves the change and collect the bag with this.

Preferably, the frame bottom is provided with the drive arrangement that the drive frame removed, drive arrangement includes pivot, gyro wheel, driving motor, locating component, the pivot is rotated and is set up in the frame bottom, the gyro wheel sets up in the pivot and rolls subaerial, driving motor sets up in the frame and drives the pivot and rotate, locating component sets up in the frame and fixes a position the frame.

By adopting the technical scheme, the positioning assembly is loosened, the driving motor is started to drive the rotating shaft to rotate, the rotating shaft rotates to drive the roller to rotate, the roller rotates to drive the rack to move, and after the movement is completed, the positioning assembly is locked to fix the rack, so that the aim of moving the cutting machine is fulfilled.

Preferably, the positioning assembly comprises a positioning plate, a positioning screw rod, a positioning table and a locking nut, the positioning plate is arranged on the frame, the positioning screw rod vertically penetrates through the positioning plate and is in threaded connection with the positioning plate, the positioning table is arranged on the positioning screw rod positioned below the positioning plate, the lower side wall of the positioning table is abutted against the ground and is in a round table shape, and the locking nut is in threaded connection with the positioning screw rod and is abutted against the positioning plate; when the positioning table is abutted against the ground, the roller is positioned above the ground.

Through adopting above-mentioned technical scheme, twist and move lock nut and keep away from the positioning seat, then twist and move the lifting screw rod and drive the location platform and keep away from ground, therefore the frame can be subaerial roll, roll the completion back, twist and move the positioning screw rod and make the location platform contradict subaerial, make the gyro wheel keep away from ground simultaneously, therefore the frame is placed subaerial to this probability that has reduced the frame and has removed has improved the stability of cutting machine during operation.

To sum up, the utility model discloses a beneficial technological effect does:

1. the dust collection fan is started, impurities generated by cutting materials enter the dust collection box through the dust collection cover and the dust collection pipe in sequence, and therefore the impurities are retained in the dust collection box under the blocking effect of the filter screen, and then the impurities are collected through the collection device, so that the impurities are prevented from entering the environment, the pollution of the impurities to the environment is reduced, and meanwhile, the harm of the impurities to the body of a worker is reduced;

2. the driving piece is started to drive the cleaning plate to horizontally move to drive the hairbrush to clean the lower side wall of the filter screen, so that the probability of blocking filter holes of the filter screen is reduced, and the impurity collecting effect of the dust collection fan is improved;

3. the clamping motor is started to drive the two clamping plates to approach or separate from each other to clamp or loosen the material, so that the probability of loosening the material during cutting the material is reduced, and the cutting quality of the cut material is improved;

4. move lock nut through twisting and keep away from the positioning seat, then twist and move the lifting screw rod and drive the location platform and keep away from ground, then driving motor starts and drives the frame and remove, removes and accomplishes the back, twists and moves the positioning screw rod and make the location platform contradict subaerial, makes the gyro wheel keep away from ground simultaneously, therefore the frame is placed subaerial to this has reduced the probability that the frame removed, has improved the stability of cutting machine during operation.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the cutting device and clamping assembly;

FIG. 3 is a schematic view of the suction mechanism with the side walls of the suction box partially cut away;

FIG. 4 is a schematic view of the cleaning assembly with the side walls of the dust bin in section;

fig. 5 is a schematic structural view of the driving device.

Reference numerals: 1. a frame; 2. a cutting device; 21. a base plate; 211. avoiding holes; 212. a sliding groove; 213. a sliding block; 22. a telescopic cylinder; 23. a fixing plate; 231. mounting a plate; 24. cutting the motor; 25. cutting the slices; 3. a dust suction mechanism; 31. a dust hood; 32. a dust collection box; 33. filtering with a screen; 34. a dust collection pipe; 35. a dust collection fan; 36. a collection device; 361. a collection hood; 362. a collection pipe; 3621. an elastic ring; 363. a collection bag; 4. a drive device; 41. a rotating shaft; 411. a first gear; 412. a second gear; 42. a roller; 43. a drive motor; 44. a positioning assembly; 441. positioning a plate; 442. positioning a screw rod; 443. a positioning table; 444. locking the nut; 5. a clamping assembly; 51. a splint; 52. clamping the screw rod; 53. clamping the motor; 6. cleaning the assembly; 61. cleaning the plate; 62. a brush; 63. a drive member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a building cutting machine with a dust collection structure for utility model comprises a frame 1 and a cutting device 2 arranged on the frame 1.

Referring to fig. 1 and 2, the cutting device 2 includes a bottom plate 21, a telescopic cylinder 22, a fixing plate 23, a cutting motor 24, and a cutting blade 25, the bottom plate 21 is fixedly mounted on the upper surface of the frame 1 below the cutting blade 25, the bottom plate 21 supports the material, meanwhile, a clearance hole 211 through which the cutting blade 25 passes is formed in the bottom plate 21, and the length direction of the material is parallel to the axis of the cutting blade 25; the telescopic cylinder 22 is fixedly installed on the upper surface of the frame 1, the piston rod of the telescopic cylinder is vertically upward, the L-shaped horizontal lower side wall of the fixing plate 23 is fixedly installed on the piston rod of the telescopic cylinder 22, and the horizontal lower side wall of the fixing plate 23 is fixedly installed with the installation plate 231; the cutting motor 24 is fixedly arranged on the mounting plate 231, and an output shaft of the cutting motor 24 horizontally penetrates through the mounting plate 231 and extends out of the mounting plate 231; the cutting blade 25 is mounted on the output shaft of the cutting motor 24. The material is placed on the bottom plate 21, the cutting motor 24 is started to drive the cutting piece 25 to rotate, the telescopic cylinder 22 is started to drive the fixing plate 23 to move downwards, the fixing plate 23 moves downwards to drive the cutting piece 25 to move downwards to cut the material, and after the cutting is completed, the telescopic cylinder 22 is started to drive the cutting piece 25 to be far away from the material so as to cut the material next time.

Referring to fig. 1 and 3, a dust suction mechanism 3 is arranged on the frame 1, the dust suction mechanism 3 includes a dust suction cover 31, a dust suction box 32, a filter screen 33, a dust suction pipe 34, a dust suction fan 35, and a collecting device 36, the dust suction cover 31 is fixedly mounted on the mounting plate 231 and covers the cutting blade 25; the dust collection box 32 is fixedly arranged on the vertical side wall of the fixing plate 23, and the filter screen 33 is fixedly arranged on the inner side wall of the dust collection box 32; one end of the dust suction pipe 34 is fixedly connected with the upper surface of the dust suction cover 31, and one end of the dust suction pipe 34 far away from the dust suction cover 31 is fixedly connected with the dust suction box 32 positioned below the filter screen 33; dust absorption fan 35 fixed mounting is on being located the dust box 32 lateral wall of filter screen 33 top, and dust absorption fan 35 and dust box 32 intercommunication, and collection device 36 sets up on the dust box 32 bottom and come the impurity of collecting in the dust box 32.

The collecting device 36 comprises a collecting cover 361, a collecting pipe 362 and a collecting bag 363, wherein the collecting cover 361 is integrally formed at the bottom end of the collecting box, and the collecting cover 361 is in a frustum pyramid shape; the collecting pipe 362 is fixedly arranged at the bottom end of the collecting cover 361 and is in a vertical state, the collecting bag 363 is sleeved on the collecting pipe 362, and the elastic ring 3621 for fixing the collecting bag 363 is sleeved on the outer side wall of the collecting bag 363. When the cutting blade 25 cuts the material, the dust suction fan 35 is started, impurities generated by cutting the material move to the dust suction box 32 through the dust suction hood 31 and the dust suction pipe 34, then the impurities move downwards to the collection hood 361 under the blocking action of the filter screen 33, then the impurities move to the collection bag 363 through the collection pipe 362 for collection, after the collection bag 363 is full, the collection bag 363 is replaced through the elastic ring 3621 so as to continue to collect the impurities, and therefore the impurities entering the environment are reduced.

Referring to fig. 1 and 2, a clamping assembly 5 for clamping materials is arranged on the frame 1, the clamping assembly 5 comprises a clamping plate 51, a clamping screw 52 and a clamping motor 53, a T-shaped sliding groove 212 is formed in the bottom plate 21 and on one side of the cutting blade 25 close to the material input, and the length direction of the sliding groove 212 is perpendicular to the axis of the cutting blade 25; the clamping plate 51 is provided with two sliding blocks 213, the bottoms of the sliding blocks 213 are fixedly installed on the sliding groove 212, and the sliding blocks 213 are arranged on the sliding groove 212 in a sliding manner along the length direction of the sliding groove 212; the clamping screw 52 passes through the sliding groove 212 and is rotatably installed on the bottom plate 21, the axis of the clamping screw 52 is parallel to the length direction of the sliding groove 212, two sections of threads with opposite spiral line directions are arranged on the clamping screw 52, and the two sections of threads are respectively in threaded connection with the sliding block 213; the clamping motor 53 is fixedly mounted on the base plate 21 and connected to the clamping screw 52. The clamping motor 53 is started to drive the clamping screw rod 52 to rotate, and the clamping screw rod 52 rotates to drive the two clamping plates 51 to approach or separate from each other to clamp or loosen the material, so that the probability of material loosening during material cutting is reduced, and the cutting quality of the cut material is improved.

Referring to fig. 1 and 4, be provided with the clearance subassembly 6 that carries out the clearance to filter screen 33 on the suction box 32, clearance subassembly 6 includes cleaning plate 61, brush 62, driving piece 63, cleaning plate 61 horizontal slip sets up on the suction box 32 that is located the filter screen 33 below, brush 62 equipartition fixed mounting is on the lateral wall that cleaning plate 61 is close to filter screen 33 one side, and brush 62 contradicts under filter screen 33 on the lateral wall, driving piece 63 is for driving actuating cylinder, drive actuating cylinder fixed mounting on the suction box 32 lateral wall that is located the filter screen 33 below, and the piston rod level that drives actuating cylinder passes suction box 32 and extends in the suction box 32, drive actuating cylinder's piston rod and clearance board 61 fixed connection simultaneously. Drive actuating cylinder and start drive clearance board 61 horizontal migration, clearance board 61 horizontal migration drives brush 62 horizontal migration and clears up the lateral wall under the filter screen 33 to this has reduced the probability that the filter opening of filter screen 33 blockked up.

Referring to fig. 1 and 5, a driving device 4 for driving the rack 1 to move is arranged at the bottom of the rack 1, the driving device 4 includes two rotating shafts 41, two rollers 42, a driving motor 43 and a positioning assembly 44, the rotating shafts 41 are arranged at intervals, the rotating shafts 41 are rotatably mounted at the bottom of the rack 1, the rollers 42 are fixedly mounted on the rotating shafts 41 at intervals and roll on the ground, and a first gear 411 is fixedly mounted on the rotating shafts 41; the driving motor 43 is fixedly arranged at the bottom of the frame 1, and a second gear 412 meshed with the first gear 411 is arranged on the driving motor 43; the positioning assemblies 44 are arranged on the vertical side wall of the rack 1 and are horizontally arranged at intervals, each positioning assembly 44 comprises a positioning plate 441, a positioning screw 442, a positioning table 443 and a locking nut 444, the positioning plates 441 are fixedly arranged on the vertical side wall of the rack 1 at intervals, four positioning plates 441 are arranged, and meanwhile, every two positioning plates 441 are arranged on two side walls on the opposite side of the rack 1; positioning screw 442 vertically passes positioning plate 441 and is connected with positioning plate 441 screw thread, positioning platform 443 is fixedly mounted on positioning screw 442 located below positioning plate 441, and the lower side wall of positioning platform 443 butts against the ground and is in the shape of a circular truncated cone, and positioning platform 443 butts against the ground with a larger area, and when positioning platform 443 butts against the ground, roller 42 is located above the ground.

The locking nut 444 is screwed on the positioning screw 442 and tightly abuts against the upper surface of the positioning plate 441, and a star-shaped handle is fixedly mounted at the top end of the positioning screw 442. Screwing the locking nut 444 away from the positioning plate 441, screwing the positioning screw 442 to drive the positioning table 443 to be away from the ground, so that the roller 42 is abutted to the ground, the rack 1 can move on the ground, the driving motor 43 is started to drive the second gear 412 to rotate, the second gear 412 is rotated to drive the first gear 411 to rotate, the first gear 411 is rotated to drive the roller 42 to rotate, after the movement is completed, screwing the positioning screw 442 to enable the positioning table 443 to be abutted to the ground, so that the roller 42 is separated from the ground, then screwing the locking nut 444 to fix the position of the positioning table 443, and thus placing the rack 1 on the ground reduces the probability that the rack 1 moves on the ground.

The implementation principle of the embodiment is as follows:

the material is placed on the bottom plate 21, the clamping motor 53 starts the two clamping plates 51 to approach each other to clamp the material, the telescopic cylinder 22 is started to drive the cutting blade 25 to move downwards to cut the material, and after the cutting is finished, the telescopic cylinder 22 is started to drive the cutting blade 25 to be far away from the material; when cutting piece 25 cuts the material simultaneously, dust absorption fan 35 starts, the impurity that the cutting material produced loops through suction hood 31 and dust absorption pipe 34 and moves to dust suction box 32 in, then impurity moves down and collects in collecting bag 363, collect bag 363 and fill up the back, change collecting bag 363 through elastic ring 3621 so that continue to collect impurity to this has reduced during impurity enters into the environment, has reduced the pollution of impurity to the environment, has also reduced the injury of impurity to staff's health simultaneously.

The clamping motor 53 is started to drive the two clamping plates 51 to approach or separate from each other to clamp or loosen the material, so that the probability of loosening the material during cutting the material is reduced, and the cutting quality of the cut material is improved. Drive actuating cylinder and start drive clearance board 61 horizontal migration, clearance board 61 horizontal migration drives brush 62 horizontal migration and clears up the lateral wall under the filter screen 33 to this has reduced the probability that the filter screen 33 filtration pore blockked up, has consequently improved the collection effect of dust absorption fan 35 to impurity.

Screwing lock nut 444 and keeping away from locating plate 441, then screwing positioning screw 442 and driving positioning table 443 and keeping away from ground, therefore gyro wheel 42 contradicts subaerially, driving motor 43 starts and drives gyro wheel 42 and rotate and remove frame 1, after the removal is accomplished, screw positioning screw 442 and make positioning table 443 contradict subaerially, consequently, make gyro wheel 42 leave ground, then screw up lock nut 444 and fix the position of positioning table 443, thereby frame 1 places subaerially, with this purpose that reaches the removal cutting machine, the while has also reduced the probability that frame 1 moved subaerially, the stability of cutting machine during operation has been improved.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. The utility model provides a building cutting machine with dust collection structure, includes frame (1), sets up cutting device (2) on frame (1), its characterized in that: be provided with dust absorption mechanism (3) on frame (1), dust absorption mechanism (3) are including suction hood (31), suction box (32), filter screen (33), dust absorption pipe (34), dust absorption fan (35), collection device (36), suction hood (31) set up in frame (1) and cover cutting device (2), suction box (32) set up in frame (1), filter screen (33) set up on suction box (32) inside wall, dust absorption pipe (34) both ends are connected with suction hood (31) and suction box (32) that are located filter screen (33) below respectively, dust absorption fan (35) set up on suction box (32) that are located filter screen (33) top and with suction box (32) intercommunication, collection device (36) set up on suction box (32) bottom and come the impurity of collecting in suction box (32).

2. The construction cutter with a dust collecting structure according to claim 1, wherein: the collecting device (36) comprises a collecting cover (361), a collecting pipe (362) and a collecting bag (363), the collecting cover (361) is arranged at the bottom of the collecting box, communicated with the collecting box and in a frustum pyramid shape, the collecting pipe (362) is arranged at the bottom of the collecting cover (361) and communicated with the collecting cover (361), and the collecting bag (363) is sleeved on the collecting pipe (362) and collects impurities in the dust collection box (32).

3. The construction cutter with a dust collecting structure according to claim 1, wherein: be provided with on suction box (32) and carry out clearance subassembly (6) of clearing up to filter screen (33), clearance subassembly (6) are including cleaning plate (61), brush (62), driving piece (63), cleaning plate (61) level slides and sets up on suction box (32) that are located filter screen (33) below, brush (62) equipartition sets up on cleaning plate (61) are close to the lateral wall of filter screen (33) one side and contradict under filter screen (33) on the lateral wall, driving piece (63) set up on suction box (32) and drive cleaning plate (61) horizontal migration.

4. The construction cutter with a dust collecting structure according to claim 1, wherein: the cutting device (2) comprises a bottom plate (21), a telescopic cylinder (22), a fixing plate (23), a cutting motor (24) and a cutting piece (25), wherein the bottom plate (21) is arranged on the rack (1) and supports materials, the telescopic cylinder (22) is arranged on the rack (1) and is in a vertical state, the fixing plate (23) is arranged on a piston rod of the telescopic cylinder (22), the cutting motor (24) is arranged on the fixing plate (23), and the cutting piece (25) is arranged on an output shaft of the cutting motor (24) and has an axis perpendicular to the running direction of the materials; the dust hood (31) is arranged on the fixing plate (23) and covers the cutting blade (25), and the dust collection box (32) is arranged on the fixing plate (23).

5. The construction cutter with a dust collecting structure according to claim 1, wherein: be provided with on frame (1) and press from both sides tight subassembly (5) of tight material, tight subassembly (5) are including splint (51), clamping screw (52), clamping motor (53), splint (51) slide and set up on bottom plate (21) and support tightly on the both sides wall of material, clamping screw (52) rotate to set up on bottom plate (21) and offer two sections spiral opposite direction's screw thread and respectively with splint (51) threaded connection, clamping motor (53) set up on bottom plate (21) and are connected with clamping screw (52).

6. The construction cutter with a dust suction structure according to claim 2, wherein: an elastic ring (3621) for fixing the collecting bag (363) is sleeved on the collecting bag (363).

7. The construction cutter with a dust collecting structure according to claim 1, wherein: frame (1) bottom is provided with drive arrangement (4) that drive frame (1) removed, drive arrangement (4) are including pivot (41), gyro wheel (42), driving motor (43), locating component (44), pivot (41) rotate and set up in frame (1) bottom, gyro wheel (42) set up in pivot (41) and roll subaerial, driving motor (43) set up in frame (1) and drive pivot (41) and rotate, locating component (44) set up in frame (1) and fix a position frame (1).

8. The construction cutter with a dust collecting structure according to claim 7, wherein: the positioning assembly (44) comprises a positioning plate (441), a positioning screw rod (442), a positioning table (443) and a locking nut (444), the positioning plate (441) is arranged on the rack (1), the positioning screw rod (442) vertically penetrates through the positioning plate (441) and is in threaded connection with the positioning plate (441), the positioning table (443) is arranged on the positioning screw rod (442) below the positioning plate (441), the lower side wall of the positioning table is abutted against the ground and is in a circular truncated cone shape, and the locking nut (444) is in threaded connection with the positioning screw rod (442) and is abutted against the positioning plate (441); when the positioning table (443) is abutted against the ground, the roller (42) is located above the ground.

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