阅读说明：本技术 一种塑料扁丝拉丝机组的分丝装置 (Wire dividing device of plastic flat wire drawing machine set ) 是由 陈继兵 于 2020-12-30 设计创作，主要内容包括：本发明公开了塑料分丝技术领域的一种塑料扁丝拉丝机组的分丝装置,包括分丝架,所述分丝架的前侧左右端均上下活动设置有导向辊,所述分丝架前侧且位于左右侧导向辊之间的位置设置有分丝组件,本发明设置有分丝组件,吹风装置使空气从注入嘴进入流通道一,再进入过渡腔,随着过渡腔内的气体增多,进而逐渐压动两侧的活塞向外侧移动,活塞向外侧移动,进而带动导杆,导杆带动连接板翻转,两组连接板向外侧张开,一方面通过滚动接触的方式降低刀身与扁丝的边缘处的摩擦,另一方面还使扁丝与扁丝之间的间距变大,增大空气在之间流通的面积,使刀片在分丝时其与原料之间摩擦产生的热量不会过高,从而放置扁丝边缘软化刀片磨损等情况。(The invention discloses a wire dividing device of a plastic flat wire drawing machine set in the technical field of plastic wire division, which comprises a wire dividing frame, wherein the left end and the right end of the front side of the wire dividing frame are respectively provided with a guide roller in an up-and-down movable manner, the wire dividing assembly is arranged at the front side of the wire dividing frame and positioned between the left guide roller and the right guide roller, the wire dividing assembly is arranged in the invention, an air blowing device enables air to enter a first flow passage from an injection nozzle and then enter a transition cavity, and gradually presses pistons at the two sides to move outwards along with the increase of the gas in the transition cavity, so that the pistons move outwards and further drive a guide rod, the guide rod drives the connecting plates to turn over, the two groups of connecting plates open outwards, on one hand, the friction between a cutter body and the edge of a flat wire is reduced in a rolling contact manner, on the other hand, the interval between the flat wire and the flat wire is enlarged, the circulation area, thereby preventing the abrasion of the blade softening the edge of the flat wire and the like.)

1. The utility model provides a branch silk device of plastics flat filament wire drawing machine group, is including dividing wire frame (1), its characterized in that: divide the equal activity from top to bottom of the left and right ends of front side of silk frame (1) to be provided with guide roll (2), divide silk frame (1) front side and be located the position between left and right sides guide roll (2) and be provided with branch silk subassembly (3), divide silk subassembly (3) including fixing mounting bracket (31) at branch silk frame (1) front side outer wall top, and mounting bracket (31) bottom is fixed with link (32) that the multiunit is L shape to the equidistance after to in the past, and L shape frame bottom is fixed with branch silk knife tackle spare (33).

2. The wire separating device of the plastic flat wire drawing machine set according to claim 1, characterized in that: the silk splitting knife assembly (33) comprises a knife body (331) fixed to the bottom of the connecting frame (32), a knife edge portion (332) is fixed to the left side of the knife body (331), the bottoms of the knife edge portion (332) and the knife body (331) are both located on the same horizontal line with the top of the lower guide roller (2), the top of the knife edge portion (332) and the bottom of the upper guide roller (2) are located on the same horizontal line, a first flow channel (333) in a Z shape is arranged on the left side of the top of the knife body (331), a transition cavity (334) is communicated with the lower portion of the first flow channel (333), a second flow channel (335) communicated with the left side of the transition cavity (334) is arranged, a driving cavity (336) is communicated with the left side of the second flow channel (335), a cross-shaped air outlet cavity (337) with a vertical section is formed in the knife edge portion (332), and the left end of the air outlet cavity (337) penetrates, the right end of the air outlet cavity (337) is communicated with the driving cavity (336), and a movable abutting assembly (338) is arranged in the transition cavity (334).

3. The wire separating device of the plastic flat wire drawing machine set according to claim 2, characterized in that: the movable abutting assembly (338) comprises grooves which are formed in the front side and the rear side of the cutter body (331) and correspond to the positions of the transition cavities (334), matched connecting plates (3381) are hinged to the inner walls of the inner sides of the left side of the grooves, inserts are arranged at the top and the bottom of the outer wall of one side, far away from the bottoms of the grooves, of the connecting plates (3381), two groups of hollow rollers (3382) are movably arranged between the two groups of inserts through rotating shafts respectively, communicated piston cavities are formed in the front side and the rear side of each transition cavity (334), the piston cavities are communicated with the grooves, matched pistons (3385) are movably arranged on the inner sides of the piston cavities, guide rods (3386) are fixedly connected to the outer sides of the pistons (3385), and the stopper is fixed in the piston intracavity outside, the cover is equipped with reset spring (3383) in guide arm (3386) outer wall and be located between piston (3385) and the stopper, the activity is provided with sealed piece (3388) around the position that the left side corresponds circulation channel two (335) in transition chamber (334) is all, and the right side of the sealed piece of front and back side (3388) is all fixed with front and back side piston (3385) through L shape pole (3384).

4. The wire separating device of the plastic flat wire drawing machine set according to claim 3, characterized in that: the top and the bottom of hollow roller (3382) all are provided with the pivot, and hollow roller (3382) are linked together with the top pivot, the infiltration hole has evenly been seted up to hollow roller (3382) outer wall, top pivot top is run through the top and is inserted and be connected with branch gas spare (3387), and divide gas spare (3387) including fixing shunt tubes one (33871) at the top of inserting, top pivot top activity is run through shunt tubes one (33871) bottom and is linked together with shunt tubes one (33871), the left end of shunt tubes one (33871) is provided with intercommunication hose (33872) that is linked together, intercommunication hose (33872) other end runs through connecting plate (3381) and recess and is linked together with circulation channel two (335).

5. The wire separating device of the plastic flat wire drawing machine set according to claim 4, characterized in that: the novel knife blade is characterized in that a driving piece (339) is further arranged in the driving cavity (336), the vertical section of the driving cavity (336) is circular, an impeller (3391) is movably arranged in the driving cavity (336) through a rotating rod, a transmission rod (3393) is movably inserted in the left side of the top of the knife body (331), the bottom end of the transmission rod (3393) is located in the driving cavity (336), the transmission rod (3393) is in transmission connection with the rotating rod through a bevel gear set (3392), and the other end of the transmission rod (3393) movably penetrates through the bottom of the air guide box (3394) and is connected with a suction fan.

6. The wire separating device of the plastic flat wire drawing machine set according to claim 5, characterized in that: the air guide box (3394) is fixed on the front outer wall of the air flow guide (34), the gas circulation guide (34) comprises a blowing device (341) fixed on the top of the mounting rack (31), a shell (342) is fixed at the left side of the connecting frame (32) and at the position above the knife body (331), the air guide boxes (3394) are fixed on the front side of the shell (342), notches are formed in the left sides of the tops of the plurality of groups of connecting frames (32), a second shunt pipe (343) and a third shunt pipe are longitudinally fixed in the notch from left to right in sequence, the output end of the blowing device (341) penetrates through the mounting rack (31) through a pipeline and is communicated with three phases of the shunt tubes, the three bottoms of the shunt tubes are provided with a plurality of groups of communicated input tubes, the input pipe penetrates through the corresponding connecting frame (32) and the shell (342) and is communicated with the injection nozzle (344), and the injection nozzle (344) is fixedly arranged at the top part in the first flow channel (333).

7. The wire separating device of the plastic flat wire drawing machine set according to claim 6, characterized in that: the utility model discloses a kitchen ventilator, including casing (342), mounting bracket (31), inlet tube (346) that just correspond the rigidity of sword portion (332) is provided with the suction nozzle in casing (342) bottom and the rigidity that corresponds, and the suction nozzle top is fixed with the inlet tube (346) that are linked together, inlet tube (346) top is run through casing (342) top and mounting bracket (31) bottom and is linked together with collection shell (347) bottom left side, and collects shell (347) and fix in mounting bracket (31) top left side, the position that leans on the right side in collecting shell (347) is provided with the filter screen, the rigidity that collects shell (347) bottom and lie in the filter screen right side is pegged graft and is had the air duct that is linked together, and the air duct other end runs through mounting bracket (31) and is linked together with shunt tubes one (33871), and shunt tubes one (33871) bottom is provided with multiunit.

Technical Field

The invention relates to the technical field of plastic wire separation, in particular to a wire separation device of a plastic flat wire drawing machine set.

Background

At present, flat wires are manufactured by using PP or PE as raw materials and then woven into woven bag packaging articles, and the woven bag packaging articles are generally manufactured by a plastic flat wire drawing unit, wherein the plastic flat wire drawing unit comprises a drying and conveying device, an extruder, a filter, a metering pump, a die head, a traction device, a wire dividing device, a stretching device and a wire collecting device. Wherein divide the silk device to extrude from the die head at the melting material, behind the curtain coating cooling one-tenth die piece, cut into required flat strand silk by dividing the silk device again, but because PP or PE are thermoplastic, consequently when dividing the silk through dividing the silk device, because the blade of dividing the silk device is in the continuous contact raw materials of branch silk time, thereby can produce the condition that the edge of heat leads to the raw materials to divide silk department appears softening under the effect of frictional force on the one hand, the easy adhesion blade outer wall of softened raw materials, cause to divide the edge quality that is the flat filament behind the silk poor, on the other hand has accelerated the quick wearing and tearing of blade outer wall, greatly reduced divide the quality that the silk becomes the flat filament. Therefore, a wire dividing device of a plastic flat wire drawing machine set is provided.

Disclosure of Invention

The invention aims to provide a wire separating device of a plastic flat wire drawing machine set, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a branch silk device of plastics ribbon filament wire drawing machine group, is including dividing the silk frame, the equal activity from top to bottom of end is provided with the guide roll about dividing the front side of silk frame, divide the silk frame front side and be located and control the position between the guide roll and be provided with branch silk subassembly, divide the silk subassembly including fixing the mounting bracket at branch silk frame front side outer wall top, and the mounting bracket bottom is fixed with the link that the multiunit is L shape to the back equidistance in the past, and L shape rest base portion is fixed with branch silk knife tackle spare.

Further, divide silk sword subassembly to include the blade of fixing with the link bottom, the left side of blade is fixed with cutting edge portion, the bottom of cutting edge portion and blade all is in same water flat line with the top of below guide roll, the top of cutting edge portion and the bottom of top guide roll are in same water flat line, blade top left side is seted up and is Z-shaped circulation channel one, circulation channel below intercommunication has the transition chamber, and the left side of transition chamber is provided with the circulation channel two that is linked together, the left side intercommunication of circulation channel two has the drive chamber, it is criss-cross ventiduct to have seted up the vertical cross-section in cutting edge portion, and goes out the ventiduct left end and run through cutting edge portion left side, the right-hand member that goes out the ventiduct is linked together with the drive chamber, be provided with the removal butt subassembly in the transition.

Further, the movable abutting component comprises grooves which are arranged on the front side and the rear side of the knife body and correspond to the positions of the transition cavities, the inner wall of the inner left side of each groove is hinged with a matched connecting plate, the top and the bottom of the outer wall of one side of the connecting plate, which is far away from the bottom of each groove, are respectively provided with two groups of hollow rollers through rotating shafts, the front side and the rear side of each transition cavity are respectively provided with a piston cavity which is communicated with each other, the inner side of each piston cavity is movably provided with a matched piston, the outer side of each piston is fixedly connected with a guide rod, the other end of each guide rod is matched and slidably connected with a sliding groove of the outer wall of one side of the connecting plate, which faces towards the bottom of each groove, through a sliding block, the outer side of each guide rod, and the positions of the left side of the transition cavity corresponding to the second flow passage are respectively and movably provided with a sealing block in the front-back direction, and the right sides of the front-back side sealing blocks are fixed with the front-back side piston through L-shaped rods.

Furthermore, rotating shafts are arranged at the top and the bottom of the hollow roller, the hollow roller is communicated with the top rotating shaft, seepage holes are uniformly formed in the outer wall of the hollow roller, the top of the top rotating shaft penetrates through the top insert and is connected with a gas distribution piece, the gas distribution piece comprises a first flow division pipe fixed at the top of the top insert, the top of the top rotating shaft movably penetrates through the bottom of the first flow division pipe and is communicated with the first flow division pipe, a communicated hose communicated with the left end of the first flow division pipe is arranged at the left end of the first flow division pipe, and the other end of the communicated hose penetrates through the.

Furthermore, a driving part is further arranged in the driving cavity, the vertical section of the driving cavity is circular, an impeller is movably arranged in the driving cavity through a rotating rod, a transmission rod is movably inserted in the left side of the top of the cutter body, the bottom end of the transmission rod is located in the driving cavity, the transmission rod is in transmission connection with the rotating rod through a bevel gear set, and the other end of the transmission rod movably penetrates through the bottom of the induced draft fan and is connected with a suction fan.

Further, draw bellows to fix the front side outer wall at the gas flow direction piece, the gas flow direction piece is including fixing the blast apparatus at the mount frame top, the left side of link and the rigidity that is located the blade top have the casing, draw bellows to fix at the casing front side, the multiunit the notch has all been seted up in link top left side, and vertically be fixed with shunt tubes two and shunt tubes three from a left side to the right side in proper order in the notch, blast apparatus's output run through the mount frame and communicate with shunt tubes three-phase through the pipeline, shunt tubes three bottoms are provided with the input tube that the multiunit is linked together, and the input tube runs through corresponding link and casing and is linked together with the injection nozzle, and the injection nozzle is fixed to be set up at flow channel one inside the top.

Further, casing bottom and the rigidity that corresponds cutting edge portion are provided with the suction nozzle, and the suction nozzle top is fixed with the admission pipe that is linked together, the admission pipe top runs through casing top and mounting bracket bottom and is linked together with collecting shell bottom left side, and collects the shell and fix in mounting bracket top left side, the position of leaning on the right side in the collection shell is provided with the filter screen, the fixed position that collects the shell bottom and be located the filter screen right side is pegged graft and is had the air duct that is linked together, and the air duct other end runs through the mounting bracket and is linked together with shunt tubes one, and shunt tubes one bottom is provided with the connecting pipe that the multiunit is linked together, the connecting pipe bottom is linked together with corresponding induced draft.

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

1) the invention is provided with a wire separating component, a wire separating knife component and an air circulation guiding piece are arranged in the wire separating component, when the yarn is divided, the blowing device is opened, the air enters the first flow passage from the injection nozzle and then enters the transition cavity, along with the increase of the gas in the transition cavity, then the pistons at the two sides are gradually pressed to move outwards, the pistons move outwards to drive the guide rods, the guide rods drive the connecting plates to turn over, the two groups of connecting plates open outwards, on one hand, the hollow rollers are contacted with the edge of the flat wire formed by splitting the wire in the wire splitting process, the friction between the blade body and the edge of the flat wire is reduced in a rolling contact mode, on the other hand, the distance between the flat wire and the flat wire is increased, the area of air circulation is increased, and the heat generated by the friction between the blade and the raw material when the blade is used for dividing the wire is not too high, so that the situations of abrasion and the like of the blade for softening the edge of the flat wire are avoided;

2) when the piston moves outwards, the L-shaped rod is also driven to move the sealing block, so that partial gas in the transition cavity enters the second flow channel and then enters the driving cavity through the second flow channel, the entering gas drives the impeller to rotate, the impeller drives the driving rod to rotate through the bevel gear set, the driving rod drives the exhaust fan in the air guide box, and further negative pressure is generated at the suction nozzle, on one hand, waste scraps generated in the thread separation process can be effectively pumped into the collecting shell for subsequent collection by a user, on the other hand, the gas entering the air outlet cavity from the driving cavity is matched to reduce the contact between the blade part and the raw materials, so that the heat influence generated by friction force in the thread separation process is further reduced, when the gas flows through the second flow channel, part of the gas also enters the first flow distribution pipe through the communication hose and seeps out from the seepage hole in the outer wall of the hollow roller, so that, the quality of dividing the filaments into flat filaments is improved.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the filament separating knife assembly of the present invention;

FIG. 3 is an enlarged view of structure A of FIG. 1 according to the present invention;

FIG. 4 is a top view of the structure of the filament separating knife assembly of the present invention;

FIG. 5 is a schematic view of the structure of the gas flow guide of the present invention.

In the figure: 1. a wire dividing frame; 2. a guide roller; 3. a yarn separating assembly; 31. a mounting frame; 32. a connecting frame; 33. a filament dividing cutter assembly; 331. a blade body; 332. a knife edge part; 333. a first flow channel; 334. a transition chamber; 335. a second flow channel; 336. a drive chamber; 337. an air outlet cavity; 338. moving the abutment assembly; 3381. a connecting plate; 3382. a hollow roller; 3383. a return spring; 3384. an L-shaped rod; 3385. a piston; 3386. a guide bar; 3387. a gas distribution member; 33871. a first shunt pipe; 33872. a communication hose; 3388. a sealing block; 339. a drive member; 3391. an impeller; 3392. a bevel gear set; 3393. a transmission rod; 3394. a wind guide box; 34. a gas flow guide; 341. a blowing device; 342. a housing; 343. a second shunt pipe; 344. an injection nozzle; 345. a connecting pipe; 346. an inlet pipe; 347. the shell is collected.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-5, the invention provides a wire dividing device of a plastic flat wire drawing machine set, which comprises a wire dividing frame 1, wherein guide rollers 2 are movably arranged at the left end and the right end of the front side of the wire dividing frame 1 up and down, the upper guide roller 2 is positioned at the outer side of the lower guide roller 2, the guide rollers 2 play a role of guiding, a wire dividing assembly 3 is arranged at the front side of the wire dividing frame 1 and between the left guide roller 2 and the right guide roller 2, the wire dividing assembly 3 comprises a mounting frame 31 fixed at the top of the outer wall of the front side of the wire dividing frame 1, the mounting frame 31 plays a role of supporting and mounting structure, a plurality of groups of L-shaped connecting frames 32 are fixed at the bottom of the mounting frame 31 in an equidistant mode from front to back, the same connecting frames 32 and wire dividing knife assemblies 33 are mounted according to the required wire dividing quantity, the wire dividing knife assemblies 33 are fixed at the bottom of the L-shaped frame.

Referring to fig. 1 and 2, the filament dividing knife assembly 33 includes a knife body 331 fixed to the bottom of the connecting frame 32, a knife edge portion 332 is fixed to the left side of the knife body 331, the knife edge portion 332 realizes cutting filament dividing, the bottoms of the knife edge portion 332 and the knife body 331 are both located at the same horizontal line with the top of the lower guide roller 2, the top of the knife edge portion 332 and the bottom of the upper guide roller 2 are located at the same horizontal line, a Z-shaped first flow channel 333 is formed in the left side of the top of the knife body 331, the first flow channel 333 allows gas to enter, a transition cavity 334 is communicated with the lower portion of the first flow channel 333, a rectangular vertical cross section of the transition cavity 334 is provided, a second flow channel 335 communicated with the left side of the transition cavity 334 is provided, a driving cavity 336 is communicated with the left side of the second flow channel 335, the first flow channel 333, the transition cavity 334, the second flow channel 335 and the driving cavity 336 are all formed in the knife body 331, a gas outlet cavity 337 with, the left end of the air outlet cavity 337 penetrates through the left side of the knife edge part 332, the right end of the air outlet cavity 337 is communicated with the driving cavity 336, and the transition cavity 334 is internally provided with a movable abutting component 338;

referring to fig. 2 and 4, the movable abutting assembly 338 includes grooves formed on the front and rear sides of the blade 331 and corresponding to the positions of the transition cavities 334, and the inner walls of the left side of the groove are hinged with matching connection plates 3381, the connection plates 3381 can be turned over, the top and bottom of the outer wall of the side of the connection plate 3381 away from the bottom of the groove bottom are provided with inserts, and two sets of inserts are movably provided with two sets of hollow rollers 3382 respectively through a rotation shaft, the hollow rollers 3382 are used for contacting with the edge of the flat filament during filament separation, the front and rear sides of the transition cavity 334 are provided with communicated piston cavities, the piston cavities are communicated with the grooves, the inner sides of the piston cavities are movably provided with matching pistons 3385, the pistons 3385 can move in the piston cavities, the outer sides of the pistons 3385 are fixedly connected with guide rods 3386, the other ends of the guide rods 3386 are slidably connected with the, the sliding groove is a T-shaped sliding groove, a limiting block is fixedly sleeved on the outer side of the outer wall of the guide rod 3386 and is fixed on the inner side and the outer side of the piston cavity, a return spring 3383 is sleeved on the outer wall of the guide rod 3386 and is positioned between the piston 3385 and the limiting block, one end of the return spring 3383 is fixed with the piston 3385, the other end of the return spring 3383 is fixed with the limiting block, sealing blocks 3388 are movably arranged in front and back of the position, corresponding to the flow channel II 335, of the left side in the transition cavity 334, the two sealing blocks 3388 are used for sealing the flow channel II 335, in the initial condition, the two sealing blocks 3388 enable gas entering the transition cavity 334 not to directly enter the flow channel II 335, the gas gradually enters along with the inside of the transition cavity, the piston 3385 moves in the piston cavity, and accordingly the gas can;

referring to fig. 2 and 4, the hollow roller 3382 is provided with rotating shafts at the top and the bottom, the rotating shaft at the bottom is movably connected with the top of the bottom insert through a bearing, the hollow roller 3382 is communicated with the rotating shaft at the top, the outer wall of the hollow roller 3382 is uniformly provided with seepage holes, for gas seepage, the top of the top rotating shaft penetrates through the top insert and is connected with a gas distributing piece 3387, the air distributing piece 3387 comprises a first shunt pipe 33871 fixed at the top of the top insert, a bearing is arranged at the joint of the top rotating shaft and the first shunt pipe 33871, the top of the top rotating shaft movably penetrates through the bottom of the first shunt pipe 33871 and is communicated with the first shunt pipe 33871, a communicating hose 33872 communicated with the left end of the first shunt pipe 33871 is arranged at the other end of the communicating hose 33872, the connecting plate 3381 and the groove are penetrated by the other end of the communicating hose 33872 and are communicated with a second flow channel 335, part of the gas flowing in the second flow channel 335 can enter the first shunt pipe 33871 through the communication hose 33872 and then enters the hollow roller 3382 through the top rotating shaft;

referring to fig. 1, 2 and 5, a driving member 339 is further disposed in the driving chamber 336, the driving chamber 336 has a circular vertical cross-section, an impeller 3391 is movably disposed in the driving chamber 336 through a rotating rod, the impeller 3391 rotates through gas entering from the second flow channel 335, so that the rotating rod rotates, a transmission rod 3393 is movably inserted into the left side of the top of the knife body 331, a bearing is disposed at a joint of the transmission rod 3393 and the knife body 331, a bottom end of the transmission rod 3393 is disposed in the driving chamber 336, the transmission rod 3393 and the rotating rod are in transmission connection through a bevel gear set 3392, the bevel gear set 3392 is two sets of bevel gears, one set is sleeved on an outer wall of the transmission rod 3393, the other set is sleeved on an outer wall of the rotating rod, the other end of the transmission rod 3393 movably penetrates through a bottom of the air guiding box 3394 and is;

referring to fig. 1, 2 and 5, an air inducing box 3394 is fixed on the outer wall of the front side of the air flowing guide 34, the air flowing guide 34 includes a blowing device 341 fixed on the top of the mounting frame 31, the blowing device 341 is widely used in the field, such as a blower, and the like, and will not be described in detail herein, a housing 342 is fixed on the left side of the connecting frame 32 and above the blade 331, the air inducing box 3394 is fixed on the front side of the housing 342, a plurality of sets of notches are formed on the left side of the top of the connecting frame 32, a second shunt tube 343 and a third shunt tube are longitudinally fixed in the notches from left to right, the second shunt tube 343 and the third shunt tube are fixed on the bottom of the mounting frame 31 to achieve the shunt function, the output end of the blowing device 341 penetrates through the mounting frame 31 and is in three-phase communication with the shunt tubes through a plurality of input tubes, and the input tubes penetrate through the corresponding connecting frame 32 and housing, the injection nozzle 344 is fixedly inserted at the right side of the bottom of the injection nozzle 344, so that the gas generated by the blowing device 341 enters the injection nozzle 344 and then enters the first flow channel 333, and the injection nozzle 344 is fixedly arranged at the top of the first flow channel 333;

referring to fig. 1 and 5, a suction nozzle is fixedly disposed at the bottom of the housing 342 and corresponding to the knife portion 332, and an inlet tube 346 communicated with the top of the suction nozzle is fixed at the top of the suction nozzle, for gas communication, the top of the inlet pipe 346 penetrates the top of the housing 342 and the bottom of the mounting bracket 31 and communicates with the left side of the bottom of the collection housing 347, allowing the drawn gas to enter the collection housing 347, the collecting shell 347 is fixed at the left side of the top of the mounting rack 31, a filter screen is arranged at the position close to the right side in the collecting shell 347, the filter screen is widely applied in the field, without further elaboration, the bottom of the collecting shell 347 and the position at the right side of the filter screen are fixedly inserted with a gas-guide tube, the other end of the air duct penetrates through the mounting frame 31 and is communicated with the first flow dividing pipe 33871, a plurality of groups of connecting pipes 345 communicated with each other are arranged at the bottom of the first flow dividing pipe 33871, the bottom of each connecting pipe 345 is communicated with the top of the corresponding induced draft box 3394, and the induced draft boxes 3394 enable the suction nozzle to generate negative pressure suction.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.