阅读说明：本技术 一种木屑粉尘回收的木材切割机 (Wood cutting machine capable of recycling wood dust ) 是由 姚斌 于 2021-07-26 设计创作，主要内容包括：本发明公开了一种木屑粉尘回收的木材切割机,涉及木材切割技术领域,包括自动上料机构、运输机构、夹紧机构、切割机构、除尘机构和收集机构,所述自动上料装置固定安装在运输机构的一端,所述夹紧机构固定安装在运输机构的另一端,所述切割机构固定安装在背离输送机构的一端且切割机构与夹紧机构固定连接,所述切割机构上方固定安装有除尘机构。本发明通过第一丝杆滑台上的滑块由最左端往右缓慢滑动带动与滑块固定的两根固定柱一起滑动,同时固定柱带动气刀从左至右的移动,气刀把分散的粉尘往右边进行集中处理,同时负压风机开始运转吸附防尘罩内部的粉尘,滤网的设置可防止粉尘进入负压风机,从而实现了对粉尘的回收处理。(The invention discloses a wood cutting machine for recovering sawdust and dust, which relates to the technical field of wood cutting and comprises an automatic feeding mechanism, a conveying mechanism, a clamping mechanism, a cutting mechanism, a dust removing mechanism and a collecting mechanism, wherein the automatic feeding device is fixedly arranged at one end of the conveying mechanism, the clamping mechanism is fixedly arranged at the other end of the conveying mechanism, the cutting mechanism is fixedly arranged at one end away from the conveying mechanism and is fixedly connected with the clamping mechanism, and the dust removing mechanism is fixedly arranged above the cutting mechanism. According to the dust recycling device, the sliding block on the first lead screw sliding table slowly slides from the leftmost end to the right to drive the two fixing columns fixed with the sliding block to slide together, the fixing columns drive the air knife to move from left to right, the air knife carries out centralized treatment on dispersed dust to the right, the negative pressure fan starts to operate to adsorb dust in the dust cover, and the filter screen is arranged to prevent the dust from entering the negative pressure fan, so that the dust recycling treatment is realized.)

1. The utility model provides a wood cutting machine of saw-dust recovery which characterized in that: including automatic feeding mechanism (1), transport mechanism (2), clamping mechanism (3), cutting mechanism (4), dust removal mechanism (5) and collection mechanism (6), automatic feeding device fixed mounting is in the one end of transport mechanism (2), clamping mechanism (3) fixed mounting is at the other end of transport mechanism (2), cutting mechanism (4) set up inside clamping mechanism (3), dust removal mechanism (5) fixed mounting is in cutting mechanism (4) top, dust removal mechanism (5) include dust absorption subassembly (507), air knife (501), first lead screw slip table (502), two fixed columns (503), dust cover (504), second lead screw slip table (505) and third lead screw slip table (506), the output end of dust absorption subassembly (507) is fixed to be set up in dust cover (504) one side, air knife (501) slidable mounting is inside dust cover (504), first lead screw slip table (502) sets up the fixed top that sets up in dust cover (504), two the fixed slider below that sets up in first lead screw slip table (502), two of the one end of fixed column (503) is fixed to be set up on air knife (501), two confession fixed column (503) gliding spouts have been seted up to dust cover (504) top, second lead screw slip table (505) and third lead screw slip table (506) are fixed respectively and are established the both sides in dust cover (504), it sets up inside dust cover (504) to collect mechanism (6).

2. The wood slicer for recovering wood dust according to claim 1, wherein: the automatic feeding mechanism (1) comprises an inclined plate (101), a supporting plate (102), a sliding block (103), a pushing block (104), two spring columns (105), two springs (106), a sliding rail (107), a clamping block (108), a first motor (109), a rotating handle (110), a driving rod (111) and a fixing block (112), wherein the inclined plate (101) is fixedly arranged on one side of the supporting plate (102), a baffle is fixedly arranged on the other side of the supporting plate (102), a U-shaped groove is formed in the middle of the supporting plate (102), the sliding rail (107) is fixedly arranged below the supporting plate (102), the sliding block (103) is slidably arranged on the sliding rail (107), the clamping block (108) is slidably arranged inside the sliding block (103), one end of each of the two spring columns (105) is fixedly connected inside the sliding block (103), and the other end of each spring column (105) penetrates through the clamping block (108) and is slidably connected with the clamping block (108), two spring (106) cover is established respectively at two spring post (105) outer walls, it sets up fixture block (108) top to promote piece (104) is fixed, the one end of drive pole (111) articulates the below at sliding block (103), backup pad (102) below is equipped with supporting seat (113), first motor (109) are fixed to be set up the one side at supporting seat (113), rotate handle (110) and rotate the output that sets up at first motor (109), and rotate handle (110) other end and slide the spout that sets up in drive pole (111), the other end of drive pole (111) rotates the one side that sets up at fixed block (112), the fixed one side that sets up at supporting seat (113) of opposite side of fixed block (112).

3. The wood slicer for recovering wood dust according to claim 1, wherein: transport mechanism (2) include a plurality of axis of rotation (201), two chains (202), second motor (203), third motor (204) and two limiting plate (205), and is a plurality of axis of rotation (201) both ends are rotated and are set up in two limiting plate (205) and a plurality of axis of rotation (201) equidistance is evenly arranged, and second motor (203) output end is fixed to be set up in axis of rotation (201) one end, second motor (203) output end is fixed to be set up at the other end of axis of rotation (201), and is a plurality of axis of rotation (201) both ends are all fixed and are equipped with gear (304), a plurality of gear (304) all mesh with two chains (202) mutually.

4. The wood slicer for recovering wood dust according to claim 1, wherein: clamping mechanism (3) include two cylinders (301), two clamping jaw (302) and two lead screw slip tables (303), two clamping jaw (302) all fixed output that sets up two cylinders (301), two lead screw slip table (303) all fixes the other end that sets up at two cylinders (301), and the slider on lead screw slip table (303) all is fixed connection with cylinder (301) other end.

5. The wood slicer for recovering wood dust according to claim 1, wherein: the cutting mechanism (4) comprises a trapezoidal base (401), a circular blade (402) and a fourth motor, the fourth motor is fixedly installed in the trapezoidal base (401), and the output end of the fourth motor is fixedly connected with the circular blade (402).

6. The wood slicer for recovering wood dust according to claim 1, wherein: dust absorption subassembly (507) includes negative-pressure air fan (5071) and filter screen (5072), negative-pressure air fan (5071) are fixed to be set up at dust cover (504) and deviate from the outer wall of clamping mechanism (3), filter screen (5072) are fixed to be set up at negative-pressure air fan (5071)'s output.

7. The wood slicer for recovering wood dust according to claim 1, wherein: the collecting mechanism (6) comprises a storage box (601) and a drawing box (602), the storage box (601) is fixedly arranged on the inner wall of the dust cover (504) deviating from the cutting mechanism (4), the drawing box (602) is arranged below the storage box (601) in a sliding mode, and an opening and closing door for replacing the drawing box (602) is further arranged on one side of the dust cover (504).

Technical Field

The invention relates to the technical field of wood cutting, in particular to a wood cutting machine for recovering wood dust.

Background

The wood cutting electric pile is formed by serially assembling a plurality of same single cells, and during the processing of the solid wood, peeling is generally carried out firstly, and then cutting is carried out to prepare a blank. In the wood cutting process, workers need to press the wood with hands to cut the wood, and the danger is high. Current wood cutting equipment can produce a large amount of saw-dust dusts in the in-service use process, and the recoverable manufacturing wood fibre compression board that makes of saw-dust, nevertheless owing to lack collection device, need carry out the manual work and clear away and clean, and speed is slow and consuming time long, consequently needs research and development a wood cutting machine who has the dust clearance function for solve above-mentioned problem.

The invention patent with publication number CN112405714A in the prior art discloses a wood cutting machine with dust removing function, which comprises: the top of the support frame is provided with a flat plate; two guide plates are symmetrically arranged on one side of the support frame; the upper part of the flat plate is provided with a clamping mechanism; the top of the guide plate is provided with a moving mechanism; and the cutting mechanism is arranged between the two guide plates.

The wood chip dust with a simple structure can be scattered in the air when the wood is lighter than the wood, and the wood chip dust of the cut wood cannot be effectively cleaned.

Disclosure of Invention

The invention aims to provide a wood cutting machine for recovering sawdust and dust, and provides an automatic-compression wood cutting machine with a dust removing function, which is used for overcoming the technical problems that a worker needs to press and cut wood by hands, the danger is high, and a large amount of sawdust and dust generated in the cutting process needs to be removed and cleaned manually.

The invention provides a wood cutting machine for recovering wood dust, which comprises an automatic feeding mechanism, a conveying mechanism, a clamping mechanism, a cutting mechanism, a dust removing mechanism and a collecting mechanism, wherein the automatic feeding mechanism is fixedly arranged at one end of the conveying mechanism, the clamping mechanism is fixedly arranged at the other end of the conveying mechanism, the cutting mechanism is arranged in the clamping mechanism, the dust removing mechanism is fixedly arranged above the cutting mechanism, the dust removing mechanism comprises an air knife, a first screw rod sliding table, two fixed columns, a dust cover, a second screw rod sliding table and a third screw rod sliding table, the output end of a dust collecting assembly is fixedly arranged at one side of the dust cover, the air knife is slidably arranged in the dust cover, the first screw rod sliding table is fixedly arranged above the dust cover, one ends of the two fixed columns are fixedly arranged below a sliding block of the first screw rod sliding table, and the other ends of the two fixed columns are fixedly arranged on the air knife, two sliding chutes for fixing columns to slide are formed in the upper portion of the dust cover, the second screw rod sliding table and the third screw rod sliding table are fixedly arranged on two sides of the dust cover respectively, and the collecting mechanism is arranged inside the dust cover.

Further, the automatic feeding mechanism comprises an inclined plate, a support plate, a sliding block, a pushing block, two spring columns, two springs, a sliding rail, a clamping block, a first motor, a rotating handle, a driving rod and a fixed block, wherein the inclined plate is fixedly arranged on one side of the support plate, the other side of the support plate is fixedly provided with a baffle plate, the middle part of the support plate is separately provided with a U-shaped groove, the sliding rail is fixedly arranged below the support plate, the sliding block is slidably arranged on the sliding rail, the clamping block is slidably arranged inside the sliding block, one end of each of the two spring columns is fixedly connected inside the sliding block, the other end of each of the two spring columns penetrates through the clamping block and is slidably connected with the clamping block, the two springs are respectively sleeved on the outer walls of the two spring columns, the pushing block is fixedly arranged above the clamping block, one end of the driving rod is hinged below the clamping block, a support seat is arranged below the support plate, and the first motor is fixedly arranged on one side of the support seat, the rotating handle rotates to be arranged at the output end of the first motor, the other end of the rotating handle is arranged in a sliding groove in the driving rod in a sliding mode, the other end of the driving rod rotates to be arranged on one side of the fixed block, and the other side of the fixed block is fixedly arranged on one side of the supporting seat.

Further, transport mechanism includes a plurality of axis of rotation, two chains, second motor, third motor and two limiting plates, and is a plurality of the axis of rotation both ends are rotated and are set up in two limiting plates and a plurality of the axis of rotation equidistance evenly arranges, and the second motor output end is fixed to be set up in axis of rotation one end, the other end at the axis of rotation is fixed to be set up, and is a plurality of the axis of rotation both ends are all fixed and are equipped with the gear, a plurality of gears all mesh with two chains mutually.

Further, clamping mechanism includes two cylinders, two clamping jaws and two lead screw slip tables, two the clamping jaw is all fixed the output that sets up two cylinders, two the lead screw slip table is all fixed the other end that sets up at two cylinders, and the slider on the lead screw slip table is fixed connection with the cylinder other end.

Further, cutting mechanism includes trapezoidal base, circular blade and fourth motor, the fourth motor fixed mounting of portion is in trapezoidal base, fourth motor output fixed connection circular blade.

Further, the dust absorption subassembly includes negative-pressure air fan and filter screen, negative-pressure air fan is fixed to be set up at the outer wall that the dust cover deviates from clamping mechanism, the fixed output that sets up at negative-pressure air fan of filter screen.

Further, collect the mechanism including depositing case and pull box, deposit the fixed inner wall that deviates from cutting mechanism at the dust cover that sets up of case, the pull box slides and sets up in the below of depositing incasement portion, and one side of dust cover still is equipped with the door that opens and shuts that supplies to change the pull box.

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

(1) the device provided by the invention can absorb the powder chips raised in the wood cutting process, and reduces the damage to the physical health of workers.

(2) When the device provided by the invention works, the sliding block on the first screw rod sliding table slowly slides from the leftmost end to the right to drive the two fixing columns fixed with the sliding block to slide together, meanwhile, the fixing columns drive the air knife to move from left to right, and the air knife carries out centralized treatment on scattered dust to the right and simultaneously the negative pressure fan starts to work to adsorb the dust into the containing box, so that the dust is cleaned and recovered more efficiently and comprehensively.

(3) When the device provided by the invention works, the air cylinder pushes the clamping jaw to clamp a log inwards, the sliding block on the screw rod sliding table moves forwards to drive the clamping jaw to move forwards, and meanwhile, the clamping jaw drives the wood to be conveyed forwards to the cutting assembly for cutting, so that the danger of manually fixing the wood in the prior art is solved.

(4) When the device provided by the invention works, the processed logs are sequentially arranged on the inclined plate and rotate along with the driving of the output end of the first motor, meanwhile, the handle is rotated to be inserted into the hollow part of the driving rod to slide back and forth, and the end of the driving rod connected with the fixed block swings clockwise around the fixed block, thereby driving the other end of the driving rod hinged with the slide block to drive the slide block to slide on the slide rail in a reciprocating way, simultaneously, the pushing block on the slide block pushes the log to move forwards, the log on the inclined plate rolls in the groove after being pushed, and the driving rod drives the sliding block to slide backwards while resetting, the sliding block pushes the back inclined plane of the block to be pressed into the sliding block by the extrusion of the logs in the groove while sliding, and at the moment, the driving rod swings anticlockwise to the maximum degree, the pushing block is separated from the extrusion of the log and is pushed out by the resilience force of the spring to push the log next time; thereby realizing automatic feeding, saving labor cost and accelerating the feeding speed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of the present invention;

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

FIG. 3 is a schematic perspective view of a second working state of the present invention;

FIG. 4 is a partial schematic structural view of the present invention;

FIG. 5 is a partial schematic structural view of the present invention;

FIG. 6 is a cross-sectional view of the automatic feed mechanism of the present invention;

FIG. 7 is a schematic view of an automatic feed mechanism of the present invention;

FIG. 8 is an enlarged view taken from A of FIG. 6 in accordance with the present invention;

FIG. 9 is a schematic view of the collection mechanism of the present invention.

Reference numerals:

1. an automatic feeding mechanism; 101. a sloping plate; 102. a support plate; 103. a slider; 104. a pushing block; 105. a spring post; 106. a spring; 107. a slide rail; 108. a clamping block; 109. a first motor; 110. rotating the handle; 111. driving the rod; 112. a fixed block; 113. a supporting seat; 2. a transport mechanism; 201. a rotating shaft; 202. a chain; 203. a second motor; 204. a third motor; 205. a limiting plate; 3. a clamping mechanism; 301. a cylinder; 302. a clamping jaw; 303. a screw rod sliding table; 304. a gear; 4. a cutting mechanism; 401. a trapezoidal base; 402. a circular blade; 5. a dust removal mechanism; 501. an air knife; 502. a first screw rod sliding table; 503. fixing a column; 504. a dust cover; 505. a second screw rod sliding table; 506. a third screw rod sliding table; 507. a dust collection assembly; 5071. a negative pressure fan; 5072. filtering with a screen; 6. a collection mechanism; 601. a storage box; 602. and drawing the box.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, an embodiment of the present invention provides a wood cutting machine for recovering wood dust, including an automatic feeding mechanism 1, a transporting mechanism 2, a clamping mechanism 3, a cutting mechanism 4, a dust removing mechanism 5 and a collecting mechanism 6, where the automatic feeding device is fixedly installed at one end of the transporting mechanism 2, the clamping mechanism 3 is fixedly installed at the other end of the transporting mechanism 2, the cutting mechanism 4 is disposed inside the clamping mechanism 3, the dust removing mechanism 5 is fixedly installed above the cutting mechanism 4, the dust removing mechanism 5 includes an air knife 501, a first lead screw sliding table 502, two fixing columns 503, a dust cover 504, a second lead screw sliding table 505 and a third lead screw sliding table 506, an output end of the dust collecting assembly 507 is fixedly installed at one side of the dust cover 504, the air knife 501 is slidably installed inside the dust cover 504, the first lead screw sliding table 502 is fixedly installed above the dust cover 504, one end of each of the two fixing columns 503 is fixedly arranged below the slider of the first lead screw sliding table 502, the other end of each of the two fixing columns 503 is fixedly arranged on the air knife 501, two sliding grooves for the fixing columns 503 to slide are formed in the upper portion of the dust cover 504, the second lead screw sliding table 505 and the third lead screw sliding table 506 are respectively and fixedly arranged on two sides of the dust cover 504, and the collecting mechanism 6 is arranged inside the dust cover 504; during operation, slide block through on the first lead screw slip table 502 is slided together with two fixed columns 503 that the slide block is fixed by the leftmost end to the right slow slip drive, fixed column 503 drives the removal of air knife 501 from a left side to the right side simultaneously, air knife 501 carries out centralized processing toward the right to the dust of dispersion, negative-pressure air fan 5071 begins the inside dust of operation absorption dust cover 504 simultaneously, filter screen 5072 sets up and can prevent that the dust from getting into negative-pressure air fan, 5071 negative-pressure air fan 5071's life has been prolonged, and the dust after air knife 501 concentrates makes negative-pressure air fan 5071 adsorption dust more comprehensive, the rethread collection mechanism 6 carries out effectual collection, this device makes the absorption rate of dust high-efficient more.

Specifically, the automatic feeding mechanism 1 includes an inclined plate 101, a support plate 102, a sliding block 103, a pushing block 104, two spring posts 105, two springs 106, a sliding rail 107, a clamping block 108, a first motor 109, a rotating handle 110, a driving rod 111 and a fixing block 112, the inclined plate 101 is fixedly arranged on one side of the support plate 102, a baffle is fixedly arranged on the other side of the support plate 102, a U-shaped groove is separately arranged in the middle of the support plate 102, the sliding rail 107 is fixedly arranged below the support plate 102, the sliding block 103 is slidably arranged on the sliding rail 107, the clamping block 108 is slidably arranged inside the sliding block 103, one end of each of the two spring posts 105 is fixedly connected inside the sliding block 103, the other end of each of the two spring posts 105 penetrates through the clamping block 108 and is slidably connected with the clamping block 108, the two springs 106 are respectively sleeved on the outer walls of the two spring posts 105, the pushing block 104 is fixedly arranged above the clamping block 108, one end of the driving rod 111 is hinged below the sliding block 103, the supporting plate 102 is provided with a supporting seat 113 below, the first motor 109 is fixedly arranged on one side of the supporting seat 113, the rotating handle 110 is rotatably arranged at the output end of the first motor 109, the other end of the rotating handle 110 is slidably arranged in a sliding groove in the driving rod 111, the other end of the driving rod 111 is rotatably arranged on one side of the fixed block 112, and the other side of the fixed block 112 is fixedly arranged on one side of the supporting seat 113.

When the device works, the processed logs are sequentially arranged on the inclined plate 101, the output end of the first motor 109 drives the rotating handle 110 to rotate, meanwhile, the rotating handle 110 is inserted into the hollow part of the driving rod 111 to slide back and forth, and drives one end of the moving rod 111 connected with the fixed block 112 to swing clockwise around the fixed block 112, so that the driving rod 111 is hinged at the other end of the slide block to drive the slide block to slide on the slide rail 107 in a reciprocating manner, meanwhile, the pushing block 104 on the sliding block pushes the log to move forwards, the log on the inclined plate 101 rolls in the groove after being pushed, and the driving rod 111 is reset and drives the sliding block to slide backwards, the sliding block 103 slides and simultaneously pushes the back inclined plane of the pushing block 104 to be pressed into the sliding block by the extrusion of the logs in the groove, at the moment, when the driving rod 111 swings anticlockwise to the maximum degree, the pushing block 104 is separated from the extrusion of the log and is pushed out by the resilience force of the spring 106 to push the log next time; thereby realizing automatic feeding, saving labor cost and accelerating the feeding speed.

Specifically, transport mechanism 2 includes a plurality of axis of rotation 201, two chains 202, second motor 203, third motor 204 and two limiting plates 205, and is a plurality of 201 both ends of axis of rotation are rotated and are set up in two limiting plates 205 and a plurality of 201 equidistance of axis of rotation is evenly arranged, and second motor 203 output end is fixed to be set up in 201 one end of axis of rotation, second motor 203 output end is fixed to be set up at 201 the other end of axis of rotation, and is a plurality of 201 both ends of axis of rotation are all fixed and are equipped with gear 304, a plurality of gear 304 all mesh with two chains 202 mutually.

During operation, the output of second motor 203 and third motor 204 drives axis of rotation 201 and rotates, thereby axis of rotation 201 rotates the gear 304 that drives axis of rotation 201 both ends simultaneously and rotates gear 304 and drive chain 202 operation, and chain 202 operation drives other gears 304 and rotates and drive the log above driving when driving all axis of rotation 201 rotations and transport, and is equipped with anti-skidding arris in the middle of the axis of rotation 201 and puts the in-process that ends the transportation log and skid, has guaranteed the efficiency of transportation.

Specifically, clamping mechanism 3 includes two cylinders 301, two clamping jaws 302 and two lead screw slip tables 303, two the clamping jaw 302 is all fixed the output that sets up two cylinders 301, two lead screw slip table 303 is all fixed the other end that sets up at two cylinders 301, and the slider on the lead screw slip table 303 is fixed connection with the cylinder 301 other end.

During operation, cylinder 301 promotes clamping jaw 302 and inwards grasps the log, and the slider on lead screw slip table 303 moves forward this moment and drives clamping jaw 302 and move forward, and clamping jaw 302 drives timber and transports forward to cutting assembly and cuts simultaneously, has solved the ligneous danger of current manual work fixed.

Specifically, the cutting mechanism 4 includes a trapezoidal base 401, a circular blade 402 and a fourth motor, the fourth motor is fixedly installed in the trapezoidal base 401, and an output end of the fourth motor is fixedly connected with the circular blade 402.

In operation, the output end of the fourth motor rotates to drive the circular blade 402 to rotate to cut wood.

Specifically, dust absorption subassembly 507 includes negative-pressure air fan 5071 and filter screen 5072, negative-pressure air fan 5071 is fixed to be set up and deviates from the outer wall of clamping mechanism 3 at dust cover 504, filter screen 5072 is fixed to be set up at negative-pressure air fan 5071's output.

During operation, negative-pressure air fan 5071's output sets up in the inside of depositing case 601 to thereby negative-pressure air fan 5071 work in the time to deposit case 601 inside cause the negative pressure space make the dust adsorbed to deposit the case 601 in, and negative-pressure air fan 5071 output still is equipped with filter screen 5072 and filters the dust and prevent that the dust from getting into negative-pressure air fan 5071, thereby leads to negative-pressure air fan 5071 life-span to reduce, and this device can carry out effectual absorption to the dust.

Specifically, the collecting mechanism 6 comprises a storing box 601 and a drawing box 602, the storing box 601 is fixedly arranged on the inner wall of the dust cover 504 departing from the cutting mechanism 4, the drawing box 602 is slidably arranged below the storing box 601, and one side of the dust cover 504 is further provided with an opening and closing door for replacing the drawing box 602.

During operation, the dust is adsorbed by negative-pressure air fan 5071 and is accomplished, and negative-pressure air fan 5071 work is accomplished the back dust and is dropped and depositing case 601 in, can open the door pull out setting this moment and deposit the inside pull box 602 of case 601 and carry out the dust to the inside and clear up, install the pull box 602 back after the clearance is accomplished and deposit inside the case 601 for it is more convenient to clear up the recovery dust.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.