CN211464148U

CN211464148U - Uncoiling machine

Info

Publication number: CN211464148U
Application number: CN201922497359.5U
Authority: CN
Inventors: 周峰
Original assignee: Shaoxing Jifeng Textile Technology Co ltd
Current assignee: Shaoxing Jifeng Textile Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-11
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to an unwinding machine relates to spinning machine's technical field, which comprises a frame, the work or material rest, the drive roller, be provided with dust absorption mechanism in the frame, dust absorption mechanism includes two suction hoods, the suction box, the dust absorption pipe, the dust absorption fan, the filter screen, patting device, two suction hoods settings are in the frame and the cloth passes through between two suction hoods, the suction box sets up in the frame, the dust absorption pipe both ends are connected with suction hood and suction box respectively, the dust absorption fan sets up on the suction box, the filter screen sets up on the suction box inside wall, patting device sets up on the suction hood. The utility model discloses a patting device starts to pat the piece that the cloth made on the cloth and drops, and dust absorption fan starts simultaneously for the dust absorption incasement that the piece removed comes to get rid of the piece on the cloth, has reduced the quantity that the piece exists on the cloth, has reduced the piece and has examined the interference of time measuring to the cloth, thereby has improved the cloth and has examined the accuracy of time measuring.

Description

Uncoiling machine

Technical Field

The utility model belongs to the technical field of spinning machine's technique and specifically relates to an unwinder is related to.

Background

The dyeing and finishing process is a chemical and physical processing process of the fabric on special equipment through dyes, medicaments and auxiliaries under certain process conditions. The cloth needs to be opened before the dyeing and finishing process, and the used machine equipment is an unwinder.

Among the prior art, can refer to the chinese utility model patent that the grant bulletin number is CN208790785U, it discloses an unwinder convenient to inspection cloth, which comprises a frame, the work or material rest, the drive roller, servo motor, just be located in the frame and be provided with the blackboard that supplies cloth conflict between work or material rest and the drive roller, just be located in the frame that the blackboard is close to one side of work or material rest and rotate and be connected with the two-way threaded rod of conflict on cloth, be provided with the driving motor of connection on the two-way threaded rod in the frame, one side that the two-way threaded rod was kept away from to the blackboard is provided with the connecting rod, sets up. When cloth is conveyed to the driving roller from the material rack, the cloth firstly passes through the blackboard, and because the modern blank cloth which is not dyed and finished is usually white, when the cloth passes through the blackboard, the position of the surface of the cloth with the flaw can expose the color of the blackboard, and the black of the blackboard and the white of the cloth can be clearly compared, so that an operator can conveniently check the flaw on the cloth in time.

The technical scheme has the following defects: on the work or material rest was placed to the yardage roll, the yardage roll is in the transportation in addition, is infected with impurity such as some pieces easily on the cloth, consequently these impurity stay on the cloth, and the colour of these impurity differs simultaneously, leads to producing the erroneous judgement when detecting the cloth to the accuracy of detecting the cloth has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an unwinder to this comes to get rid of the piece on the cloth, has reduced the quantity that the piece exists on the cloth, has reduced the piece and has examined the interference of time measuring to the cloth, thereby has improved the cloth and has examined the accuracy of time measuring.

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

an unwinding machine comprises a frame, a rack arranged on the frame, a driving roller arranged on the frame in a rotating manner, a blackboard which is abutted against the cloth and is arranged on the frame between the driving roller and the rack, a dust absorption mechanism which absorbs dust on two sides of the cloth and is arranged on the frame between the rack and the blackboard, the dust absorption mechanism comprises two dust hoods, a dust absorption box, a dust absorption pipe, a dust absorption fan, a filter screen and a flapping device, two dust hoods are arranged on the frame between the rack and the blackboard relatively, the cloth passes through the two dust hoods, the dust absorption box is arranged on the frame, two ends of the dust absorption pipe are respectively connected with the dust hoods and the dust absorption box, the dust absorption fan is arranged on the outer side wall of the dust absorption box above the dust absorption pipe and is communicated with the dust absorption box, the filter screen is arranged on the inner side wall of the dust absorption box between the dust absorption fan and the dust absorption pipe, the beating device is arranged on the dust collection cover and beats the cloth.

Through adopting above-mentioned technical scheme, place the work or material rest with the yardage roll, then pass the cloth between two suction hoods, then walk around the drive roller with the cloth and make the cloth paste tightly on the blackboard, patting device starts the cloth simultaneously and beats, make piece on the cloth drop from the cloth, dust absorption fan starts simultaneously, the piece that drops is in the suction box that the dust absorption pipe removed under dust absorption fan's effect, then the filter screen filters the piece, the probability that the piece entered into in the dust absorption fan has been reduced, come to get rid of the piece on the cloth with this, the quantity that the piece exists on the cloth has been reduced, the piece has been reduced and the interference of time measuring is examined to the cloth, thereby the accuracy that the cloth examined time measuring has been improved.

Preferably, patting device includes slide bar, patting roller, patting assembly, slide bar slides along the suction hood direction of height and sets up on the suction hood, patting roller rotates and sets up on slide bar, patting assembly sets up and slides along the suction hood direction of height at the suction hood and drive slide bar, and works as when patting roller is in the lowest, patting roller beats and comes to vibrate the cloth on the cloth.

Through adopting above-mentioned technical scheme, pat the subassembly and start to drive the slide bar and slide along the suction hood direction of height to make the patting roller move towards the cloth, consequently the patting roller is patted the cloth, then the patting roller moves towards the direction of keeping away from the cloth, reaches to pat the purpose that subassembly drive patting roller reciprocating motion comes to pat the cloth with this.

Preferably, the beating component includes the tooth frame, pat motor, sector gear, the tooth frame setting is kept away from the one end of patting the roller at the slide bar and is provided with the rack of two parallels relatively, just the length of rack is parallel with the glide direction of slide bar, the setting of patting the motor is on the dust absorption cover, sector gear set up on the output shaft of patting the motor and with rack toothing.

Through adopting above-mentioned technical scheme, pat the motor and start and drive sector gear and rotate, sector gear rotates and drives the rack removal with sector gear meshing to this drives tooth frame and slide bar and removes, then sector gear and another rack toothing, consequently drives tooth frame and slide bar and moves back, implements the purpose that pat the motor and start and drive tooth frame and slide bar reciprocating motion with this.

Preferably, two suction hood relative side's lateral wall all rotates and is provided with the axis and the parallel guide roll of driving roller axis, and the cloth passes through between two guide rolls.

By adopting the technical scheme, the cloth is guided by the two guide rollers, so that the contact probability of the cloth and the dust hood is reduced, and the damage of the dust hood to the cloth is reduced; meanwhile, the cloth is guided by the guide roller, so that the probability of shaking of the cloth due to beating of the beating roller is reduced, and the cloth can be conveniently detected by a worker.

Preferably, be provided with the collection subassembly on the suction box, the collection subassembly includes direction platform, stand pipe, collection bag, the direction platform sets up on the lower lateral wall of suction box and is round platform form and diameter and diminishes gradually, the stand pipe sets up on the lower lateral wall of direction platform and communicates and be vertical state with the stand, the collection bag can be dismantled and connect on the stand pipe and collect the piece.

Through adopting above-mentioned technical scheme, the piece in the dust absorption case is collected in removing the collection bag through direction platform and stand pipe, will collect the bag simultaneously and dismantle to get off and clear up to this has improved the collection effect to the piece.

Preferably, be located be provided with the clearance subassembly that carries out the clearance to the filter screen on the suction box of filter screen below, the clearance subassembly is including clearance cylinder, clearance board, clearance cylinder level sets up on the suction box that is located the filter screen below, the clearance board sets up and is provided with the brush of contradicting on the filter screen on the piston rod of clearance cylinder and be close to on the lateral wall of filter screen.

Through adopting above-mentioned technical scheme, the clearance jar starts to drive the clearance board and removes, and the clearance board removes and drives the brush and clear up the filter screen downside wall, has reduced the probability that the filter screen was blockked up by the piece, has improved the speed that the air passes through the filter screen, has improved the efficiency of dust absorption fan piece on to the cloth.

Preferably, a stop ring is arranged on the outer side wall of one side, away from the guide table, of the guide pipe, the collecting bag is sleeved on the guide pipe, the stop ring is located in the collecting bag, and an elastic ring for fixing the collecting bag is sleeved on the collecting bag above the stop ring.

By adopting the technical scheme, the collecting bag is sleeved on the guide pipe, the stop ring is positioned in the collecting bag, and then the elastic ring is arranged on the collecting bag positioned above the stop ring to fixedly arrange the collecting bag; when dismantling the collection bag, the line is dismantled the elastic ring from the stand pipe, then can dismantle the collection bag to this reaches the installation of being convenient for and dismantles the purpose of collecting the bag, and the barrier ring has reduced the probability that the collection bag drops from the stand pipe simultaneously.

Preferably, the suction hood is provided with the fixed plate at an interval in being close to the frame of blackboard one side, it is provided with two open width screw rods of contradicting on the cloth and passes through from between two open width screw rods to rotate along fixed plate direction of height interval on the lateral wall of the relative one side of fixed plate, set up the opposite screw thread of thread line opposite direction and the opposite screw thread helix direction that two open width screw rods are close to one end each other on the open width screw rod.

Through adopting above-mentioned technical scheme, the cloth is through two open width screw rods, and two open width screw rods expand the cloth, therefore the cloth can both expand when not only to that orientation fold to this probability that takes place the fold when having reduced the cloth and having pasted tightly on the blackboard, thereby accuracy when having improved the detection cloth.

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

1. the cloth is beaten by the beating device, so that the fragments on the cloth fall off from the cloth, meanwhile, the dust collection fan is started, the fallen fragments pass through the dust collection box moved by the dust collection pipe under the action of the dust collection fan, and then the fragments are filtered by the filter screen, so that the fragments on the cloth are removed, the number of the fragments on the cloth is reduced, the interference of the fragments on the cloth during detection is reduced, and the accuracy of the cloth during detection is improved;

2. the cloth is guided by the two guide rollers, so that the probability of contact between the cloth and the dust hood is reduced, and the damage of the dust hood to the cloth during cloth conveying is reduced; meanwhile, the cloth is guided by the guide roller, so that the possibility of the cloth shaking caused by beating of the beating roller is reduced, and the cloth can be conveniently detected by a worker;

3. the collection bag is used for collecting the debris, and meanwhile, the collection bag is detached for cleaning, so that the probability of the debris accumulating in the dust collection box is reduced; thereby improving the collection effect of the dust collection box on the scraps on the cloth;

4. the cleaning air cylinder is started to drive the hairbrush to clean the lower side wall of the filter screen, the probability that the filter screen is blocked by the fragments is reduced, the probability that air passes through the filter screen is improved, and the efficiency of the dust collection fan for removing the fragments on cloth is improved.

Drawings

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

FIG. 2 is a schematic view of the suction mechanism with the side walls of the suction box partially cut away;

FIG. 3 is a schematic view of a beater assembly, with the side walls of the suction hood partially cut away;

fig. 4 is a partial exploded view of the present invention, showing mainly the cleaning assembly and the collecting assembly, wherein the side wall of the dust box is partially cut away.

Reference numerals: 1. a frame; 11. a material rack; 12. a drive roller; 13. rotating the motor; 14. a blackboard; 15. a rack; 2. a dust suction mechanism; 21. a dust hood; 211. a guide roller; 22. a dust collection box; 23. a dust collection pipe; 24. a dust collection fan; 25. filtering with a screen; 26. a flapping device; 261. a slide bar; 262. a tapping roller; 263. a flapping component; 2631. a toothed frame; 2632. beating a motor; 2633. a sector gear; 3. a fixing plate; 31. an open width screw; 4. a collection assembly; 41. a guide table; 42. a guide tube; 421. a blocking ring; 422. an elastic ring; 43. a collection bag; 5. cleaning the assembly; 51. cleaning the air cylinder; 52. cleaning the plate; 521. and a brush.

Detailed Description

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

Referring to fig. 1, for utility model's an unwinder, including frame 1, fixed mounting on the frame 1 that is close to frame 1 bottom one side work or material rest 11, rotate the drive roller 12 of installing in the frame 1 that is located work or material rest 11 top, fixed mounting has the rotation motor 13 of being connected with drive roller 12 in the frame 1.

Referring to fig. 1 and 2, a blackboard 14 abutting against the cloth is fixedly mounted on a frame 1 between a driving roller 12 and a material frame 11, a dust collection mechanism 2 for collecting dust on two sides of the cloth is arranged on the frame 1 between the material frame 11 and the blackboard 14, the dust collection mechanism 2 comprises two dust collection covers 21, a dust collection box 22, a dust collection pipe 23, a dust collection fan 24, a filter screen 25 and a beating device 26, the two dust collection covers 21 are oppositely arranged along a direction perpendicular to the running direction of the cloth, and the dust collection covers 21 are fixedly mounted on the frame 1 between the material frame 11 and the driving roller 12; two guide rollers 211 are rotatably mounted on the side walls of the two opposite sides of the two dust hoods 21, the two guide rollers 211 are positioned at the two ends of the dust hoods 21 along the running direction, the axes of the guide rollers 211 are parallel to the axis of the driving roller 12, the height of the dust hoods 21 is vertical to the running direction of the cloth, the cloth passes through the guide rollers 211, and the two guide rollers 211 are abutted against the cloth; the dust collection box 22 is fixedly installed on the side wall of one side of the frame 1 departing from the dust collection covers 21, the dust collection pipe 23 is fixedly installed on the vertical side wall of the dust collection box 22, and one end of the dust collection pipe 23, which is far away from the dust collection box 22, is fixedly connected with the vertical side walls of the two dust collection covers 21 respectively.

Referring to fig. 2 and 3, the dust suction fan 24 is fixedly installed on the outer sidewall of the dust suction box 22 above the dust suction pipe 23 and is communicated with the dust suction box 22, and the filter screen 25 is fixedly installed on the inner sidewall of the dust suction box 22 between the dust suction fan 24 and the dust suction pipe 23; the flapping device 26 is arranged on the dust hood 21 above the cloth and performs flapping on the cloth, the flapping device 26 comprises two sliding rods 261, two flapping rollers 262 and a flapping component 263, and the sliding rods 261 are arranged and slidably penetrate through the dust hood 21 above the cloth along the height direction of the dust hood 21; the flapping roller 262 is rotatably arranged on the side wall at the opposite side of the two sliding rods 261, and the axis of the flapping roller 262 is parallel to the axis of the guide roller 211; the beating component 263 is disposed on the top end of the dust hood 21 above the cloth, and the beating component 263 drives the sliding rod 261 to slide along the height direction of the dust hood 21.

The flapping assembly 263 includes a rack 2631, a flapping motor 2632, and a sector gear 2633, where the rack 2631 is fixedly installed at one end of one of the sliding rods 261 far away from the flapping roller 262, the rack 2631 is fixedly installed with two racks 15, the two racks 15 are oppositely disposed and parallel to each other, meanwhile, the length of the rack 15 is parallel to the sliding direction of the sliding rod 261, the flapping motor 2632 is fixedly installed on the dust hood 21, and the sector gear 2633 is fixedly installed on the output shaft of the flapping motor 2632 and is engaged with the rack 15; while the tapping roller 262 taps on the cloth to vibrate the cloth when the tapping roller 262 moves to the lowest position. The flapping motor 2632 is started to drive the sector gear 2633 to rotate, the sector gear 2633 rotates to drive the rack 15 meshed with the sector gear 2633 and the tooth frame 2631 to move, the tooth frame 2631 moves to drive the sliding rod 261 to move, the sliding rod 261 moves to drive the flapping roller 262 to move towards the cloth, therefore, the flapping roller 262 flaps the cloth, then the sector gear 2633 is meshed with the other rack 15, therefore, the flapping roller 262 is driven to move back, and therefore, the flapping motor 2632 drives the flapping roller 262 to reciprocate to flap the cloth.

Referring to fig. 1 and 3, two fixing plates 3 are fixedly mounted on a frame 1 between a blackboard 14 and a dust hood 21 at intervals along a driving roller 12, two open width screws 31 are rotatably mounted on the side wall of one side of the fixing plate 3 opposite to each other at intervals along the height direction of a fixing seat, a cloth passes through the two open width screws 31, the two open width screws 31 abut against the cloth, threads with opposite thread lines are formed in the open width screws 31, and the thread spiral lines of the two open width screws 31 close to one end are opposite in direction. The cloth is placed on the material frame 11, then the cloth passes through the space between the two guide rollers 211, then the cloth sequentially passes through the two opening screw rods 31 and the blackboard 14 to move to the driving roller 12, and the rotating motor 13 is started to drive the cloth to move so as to finish rolling.

Referring to fig. 2 and 3, the cloth is patted the motor 2632 and is started to drive the patting roller 262 to pat the cloth when passing through the suction hood 21, so that the piece on the cloth drops, and the dust collection fan 24 starts simultaneously, and the piece that drops passes through the dust collection box 22 that the dust collection pipe 23 moved under the effect of the dust collection fan 24, then the filter screen 25 filters the piece, so as to get rid of the piece on the cloth, and the quantity that the piece exists on the cloth is reduced.

The dust collection box 22 is provided with a collection assembly 4, the collection assembly 4 comprises a guide table 41, a guide pipe 42 and a collection bag 43, the guide table 41 is fixedly arranged on the lower side wall of the dust collection box 22 and communicated with the dust collection box 22, and the guide table 41 is in a circular truncated cone shape and gradually reduces in diameter; the guide tube 42 is fixedly arranged on the lower side wall of the guide table 41, and the guide tube 42 is communicated with the guide table 41 and is in a vertical state; the collection bag 43 is detachably attached to the guide roller 211 and collects debris. The debris in the dust box 22 is moved into the collection bag 43 through the guide table 41 and the guide pipe 42 to be collected while the collection bag 43 is detached to be cleaned, thereby reducing the probability of the debris accumulating in the dust box 22.

Referring to fig. 2 and 4, an annular blocking ring 421 is fixedly installed on the outer side wall of the side of the guide tube 42 away from the guide table 41, the collection bag 43 is sleeved on the guide tube 42, the blocking ring 421 is located in the collection bag 43, and an elastic ring 422 for fixing the collection bag 43 is sleeved on the collection bag 43 above the blocking ring 421. The collection bag 43 is fitted over the guide tube 42 such that the blocking ring 421 is positioned inside the collection bag 43, and then the elastic ring 422 is fitted to the collection bag 43 above the blocking ring 421 to fixedly mount the collection bag 43; when the collection bag 43 is removed, the collection bag 43 can be removed by removing the elastic ring 422 from the guide tube 42, thereby facilitating the installation and removal of the collection bag 43.

A cleaning assembly 5 for cleaning the lower surface of the filter screen 25 is arranged on the dust collection box 22 below the filter screen 25, the cleaning assembly 5 comprises a cleaning cylinder 51 and a cleaning plate 52, the cleaning cylinder 51 is fixedly arranged on the outer side wall of the dust collection box 22 below the filter screen 25, and a piston rod of the cleaning cylinder 51 horizontally penetrates through the side wall of the dust collection box 22 and extends into the dust collection box 22; the cleaning plate 52 is fixedly arranged on a piston rod of the cleaning cylinder 51, and brushes 521 which are abutted against the filter screen 25 are uniformly and fixedly arranged on the side wall of the cleaning plate 52 close to the filter screen 25. The cleaning air cylinder 51 is started to drive the cleaning plate 52 to move, the cleaning plate 52 moves to drive the brush 521 to clean the lower side wall of the filter screen 25, the probability that the filter screen 25 is blocked by the chips is reduced, and the speed of air passing through the filter screen 25 is improved.

The implementation principle of the embodiment is as follows:

on work or material rest 11 is placed to the cloth, then pass the cloth between two guide roll 211, then the cloth loops through two open width screw rods 31 and blackboard 14 and moves to drive roller 12 on, it starts to drive the cloth and removes and accomplish to beat the book to rotate motor 13, the cloth is patted motor 2632 and is started to drive and patt roller 262 and come to pat the cloth when passing through suction hood 21, make the piece on the cloth drop, dust absorption fan 24 starts simultaneously, the piece that drops is in the suction box 22 that passes through dust absorption pipe 23 removal under dust absorption fan 24's effect, then filter screen 25 filters the piece, with this get rid of the piece on the cloth, the quantity that the piece exists on the cloth has been reduced, the interference of piece when examining time measuring to the cloth has been reduced, thereby the accuracy of time measuring is examined to the cloth has been improved.

The collection bag 43 is sleeved on the guide pipe 42, then the elastic ring 422 is arranged on the collection bag 43 to fixedly arrange the collection bag 43, and the debris in the dust collection box 22 moves into the collection bag 43 to be collected, so that the probability of the debris accumulating in the dust collection box 22 is reduced; thereby improving the collection effect of the dust collection box 22 on the scraps on the cloth; when the collecting bag 43 is detached, the elastic ring 422 is detached from the guide tube 42 to detach the collecting bag 43, and then the collecting bag 43 is cleaned, so that the collecting bag 43 can be detached to clean the collecting bag 43 conveniently. The cleaning air cylinder 51 is started to drive the brush 521 to clean the lower side wall of the filter screen 25, the probability that the filter screen 25 is blocked by the fragments is reduced, the speed of air passing through the filter screen 25 is improved, and therefore the collection efficiency of the dust collection fan 24 for the fragments on the cloth is 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

1. The utility model provides an uncoiling machine, includes frame (1), sets up work or material rest (11) in frame (1), rotates drive roller (12) of setting in frame (1), is located be provided with blackboard (14) of contradicting on the cloth on frame (1) between drive roller (12) and work or material rest (11), its characterized in that: the dust collection device is characterized in that a dust collection mechanism (2) for collecting dust on two sides of cloth is arranged on the rack (1) between the material rack (11) and the blackboard (14), the dust collection mechanism (2) comprises two dust collection covers (21), a dust collection box (22), a dust collection pipe (23), a dust collection fan (24), a filter screen (25) and a beating device (26), the two dust collection covers (21) are oppositely arranged on the rack (1) between the material rack (11) and the blackboard (14) and the cloth passes through the two dust collection covers (21), the dust collection box (22) is arranged on the rack (1), two ends of the dust collection pipe (23) are respectively connected with the dust collection covers (21) and the dust collection box (22), the dust collection fan (24) is arranged on the outer side wall of the dust collection box (22) above the dust collection pipe (23) and is communicated with the dust collection box (22), the filter screen (25) is arranged on the inner side wall of the dust collection box (22) between the dust collection fan (24) and the dust collection pipe (23), the beating device (26) is arranged on the dust hood (21) and is used for beating the cloth.

2. An unwinder as claimed in claim 1, wherein: patting device (26) including slip pole (261), patting roller (262), patting subassembly (263), slip pole (261) along suction hood (21) direction of height slide and set up on suction hood (21), patting roller (262) rotate to set up on slip pole (261), patting subassembly (263) set up on suction hood (21) and drive slip pole (261) along suction hood (21) direction of height slide, and work as patting roller (262) are in when lowest, patting roller (262) pat comes to vibrate the cloth on the cloth.

3. An unwinder as claimed in claim 2, wherein: pat subassembly (263) including tooth frame (2631), pat motor (2632), sector gear (2633), tooth frame (2631) sets up and keeps away from one end of patting roller (262) and be provided with rack (15) of two parallels relatively at slide bar (261), just the length of rack (15) is parallel with the direction of sliding of slide bar (261), pat motor (2632) sets up on suction hood (21), sector gear (2633) set up on the output shaft of pat motor (2632) and with rack (15) meshing.

4. An unwinder as claimed in claim 1, wherein: two all rotate on the lateral wall of dust cage (21) relative one side and be provided with axis and drive roller (12) axis parallel guide roll (211), the cloth passes through between two guide roll (211).

5. An unwinder as claimed in claim 1, wherein: be provided with collection subassembly (4) on dust absorption case (22), collection subassembly (4) are including direction platform (41), stand pipe (42), collection bag (43), direction platform (41) set up on the lower lateral wall of dust absorption case (22) and be round platform form and diameter and progressively diminish, stand pipe (42) set up on the lower lateral wall of direction platform (41) and with direction platform (41) intercommunication and be vertical state, it connects on stand pipe (42) and collects the piece to collect bag (43) can be dismantled.

6. An unwinder as claimed in claim 1, wherein: be located be provided with on suction box (22) of filter screen (25) below and carry out clearance subassembly (5) of clearing up filter screen (25), clearance subassembly (5) are including clearance cylinder (51), cleaning plate (52), clearance cylinder (51) level sets up on suction box (22) that are located filter screen (25) below, cleaning plate (52) set up on the piston rod of clearance cylinder (51) and be close to on the lateral wall of filter screen (25) and be provided with brush (521) of contradicting on filter screen (25).

7. An unwinder as claimed in claim 5, wherein: be provided with barrier ring (421) on the lateral wall of one side of stand (41) is kept away from in stand (42), just collect bag (43) cover establish on stand (42) and barrier ring (421) are located collect bag (43), are located cover is equipped with elastic ring (422) of fixed collection bag (43) on collection bag (43) of barrier ring (421) top.

8. An unwinder as claimed in claim 1, wherein: suction hood (21) are close to frame (1) on blackboard (14) one side and go up the interval and are provided with fixed plate (3), it is provided with two open width screw rods (31) and the cloth of contradicting on the cloth to pass through between two open width screw rods (31) to rotate along fixed plate (3) direction of height interval on the lateral wall of the relative one side of fixed plate (3), set up the opposite screw thread of thread line opposite direction and two open width screw rods (31) and be close to the opposite screw thread helix direction of one end each other on open width screw rod (31).