CN221090210U - Cloth feeding device of flat screen printing machine - Google Patents

Abstract

The application relates to a cloth feeding device of a flat screen printing machine, which comprises a frame and two brushing rollers, wherein the length direction of each brushing roller is consistent with the width direction of cloth, each brushing roller comprises a disc, a connecting plate and a plurality of brushes, the connecting plate is connected between the two discs, the brushes are connected with the connecting plate, telescopic rods are connected to two ends of the connecting plate, the telescopic rods stretch along the length direction of the connecting plate, and the discs are provided with connecting grooves for embedding the telescopic rods. When the brush is worn and needs to be replaced, the telescopic rod is adjusted, so that the telescopic rod is shortened, the telescopic rod is far away from the connecting groove, the connecting plate is convenient to detach from the disc, and the brush is convenient to replace.

Description

Cloth feeding device of flat screen printing machine

Technical Field

The application relates to the field of printing equipment, in particular to a cloth feeding device of a flat screen printing machine.

Background

At present, most reactive dye printing enterprises adopt a full-material printing process, so that the consumption of urea is large. The ammonia nitrogen content in the printing and dyeing wastewater in the printing and dyeing industry in China has clear requirements, and urea is a main factor causing the exceeding of the ammonia nitrogen content in the printing and dyeing wastewater. Therefore, the development of the ammonia nitrogen low-emission printing technology is one of the hot problems to be solved in the printing and dyeing production.

The Chinese patent of the grant bulletin number CN213199165U discloses a cloth feeding device of a rotary screen printing machine, which comprises a cloth feeding box, a cloth feeding opening for feeding cloth and a cloth discharging opening for discharging cloth are formed in the cloth feeding box, one end, close to the cloth feeding opening, of the cloth feeding box is rotationally connected with a cloth feeding roller, one end, close to the cloth discharging opening, of the cloth feeding box is rotationally connected with a cloth discharging roller, a cloth discharging motor for driving the cloth discharging roller to rotate is connected to the cloth feeding box, a first brush roller and a second brush roller are rotationally connected to the cloth feeding box, a plurality of first brushes are connected to the first brush roller and the second brush roller, and a driving assembly for driving the first brush roller and the second brush roller to rotate is arranged on the cloth feeding box. According to the utility model, the first brush roller and the second brush roller brush off floating dust such as particle heads, hair ash and the like on the cloth, so that impurities on the cloth surface are reduced, the influence on cloth printing in the printing process is reduced, and the consumption of paint is reduced to a certain extent.

To above-mentioned correlation technique, under long-time the use, the wearing and tearing easily appear in first brush, first brush and first brush roller, second brush roller connected mode are fixed to this is inconvenient for changing first brush, and then influences first brush roller and second brush roller to the clearance effect of cloth.

Disclosure of utility model

In order to facilitate the replacement of the hairbrush and improve the cleaning effect of the hairbrush roller on cloth, the application provides a cloth feeding device of a flat screen printing machine.

The cloth feeding device of the flat screen printing machine adopts the following technical scheme:

The utility model provides a flat screen printing machine's cloth feeding device, includes the frame, rotates two brush hair rollers of connecting in the frame, brush hair roller length direction is unanimous with cloth width direction, two brush hair roller is along vertical direction interval distribution, two brush hair roller interval forms the space that supplies the cloth to pass through, brush hair roller includes disc, connecting plate, brush, the disc rotates to be connected in the frame, disc axis of rotation and central axis collineation. The utility model discloses a cloth, including disc, connecting plate, brush, connecting plate, telescopic link, connecting plate and connecting plate, the disc is equipped with two, two the disc is followed cloth width direction interval distribution, connecting plate length direction is unanimous with cloth width direction, the connecting plate is equipped with a plurality of, the connecting plate is connected between two discs, a plurality of the connecting plate is followed disc circumference interval distribution, the brush is connected in the connecting plate, the brush other end is used for contacting with the cloth, the connecting plate is all connected with the telescopic link along its length direction both ends, telescopic link length direction is unanimous with connecting plate length direction, the telescopic link is flexible along connecting plate length direction, the connecting groove that supplies the telescopic link embedding has been seted up to disc one side that is close to, the telescopic link is along its length direction sliding connection in the connecting groove.

Through adopting above-mentioned technical scheme, when the brush receives wearing and tearing and need change, adjust the telescopic link for the telescopic link shortens, with this makes the telescopic link keep away from the spread groove, with this connecting plate of being convenient for dismantles from the disc, with this change of being convenient for the brush.

Optionally, the telescopic link includes first pole, sleeve, first pole length direction is unanimous with connecting plate length direction, first pole one end is connected in the connecting plate, the sleeve thread bush is located the first pole other end, sleeve central axis and first pole central axis collineation, sleeve is kept away from connecting plate one end and is inlayed in the spread groove, sleeve is followed connecting plate length direction sliding connection in the spread groove.

Through adopting above-mentioned technical scheme, during the dismouting connecting plate, rotate the sleeve for the sleeve pipe removes along connecting plate length direction, with this makes telescopic link extension or shorten, sleeve embedding or keep away from the spread groove, makes the dismouting of connecting plate convenient.

Optionally, the spread groove has been seted up to the spread groove inner wall, spread groove length direction is radial unanimous with the disc, the movable rod is connected with in the spread groove, the disc is connected with the removal subassembly, the removal subassembly is used for driving the movable rod and follows radial sliding connection of disc in the spread groove, the locking hole has been seted up to the sleeve inner wall, locking hole and spread groove intercommunication, movable rod one end passes the locking hole.

Through adopting above-mentioned technical scheme, installation connecting plate, and during sleeve embedding spread groove, remove the subassembly and drive movable rod along radial sliding connection of disc in the spread groove to make movable rod one end pass the locking hole along its length direction, with this make sleeve stable connection in the spread groove, make the connecting plate stable connection in the disc.

Optionally, remove the subassembly and include threaded rod, first gear, rotation piece, threaded rod length direction is radial unanimous with the disc, threaded rod one end rotates and is connected in the removal inslot wall, the threaded rod other end is located to the removal pole thread bush, the cavity has been seted up in the disc, cavity central axis and disc central axis collineation, threaded rod is kept away from removal pole one end and is passed the removal inslot wall and locate in the cavity, the one end that the threaded rod is located the cavity is located to first gear cover, it is used for driving first gear rotation to rotate the piece.

Through adopting above-mentioned technical scheme, the rotation piece drives first gear rotation, and the threaded rod follows first gear rotation for the movable rod is along radial sliding connection of disc in the removal inslot, so that the movable rod is close to or keeps away from the locking hole.

Optionally, the rotating piece includes first motor, second gear, first motor is connected in the disc and is close to connecting plate one side, the cavity inner wall is passed to the output shaft of first motor, the second gear is connected in the output shaft of first motor, second gear central axis and disc central axis collineation, first gear and second gear are the conical gear setting, a plurality of first gear all meshes with the second gear.

Through adopting above-mentioned technical scheme, first motor drives the second gear and rotates, and first gear follows the second gear and rotates, and all threaded rods rotate to drive the movable rod and remove.

Optionally, the cloth loops through a brushing roller below and another brushing roller below, brushing roller keeps away from cloth one side and is equipped with the backup pad, backup pad length direction is unanimous with connecting plate length direction, backup pad is close to brushing roller one side and is connected with a plurality of carding needle, carding needle other end and brush contact, a plurality of carding needle is along backup pad length direction interval distribution.

Through adopting above-mentioned technical scheme, add the carding wire to this impurity that reduces the brushing roller adhesion, with this cleaning effect that improves brushing roller to the cloth.

Optionally, a collecting box is arranged below the supporting plate, the length direction of the collecting box is consistent with the length direction of the connecting plate, and an opening is formed in the top of the collecting box.

Through adopting above-mentioned technical scheme, add the collecting box, when carding to impurity clearance on the brush hair roller, partial impurity drops in the collecting box and collects to this avoids impurity to drop to the cloth surface as far as possible and the pollution that causes the cloth.

Optionally, the frame is connected with dust absorption pipe, exhaust tube, aspiration pump, brush hair roller and dust absorption pipe are along cloth transportation direction interval distribution in proper order, dust absorption pipe length direction is unanimous with brush hair roller length direction, the dust absorption pipe is equipped with two, the dust absorption pipe is along vertical direction interval distribution, two the dust absorption pipe interval is formed with the space that supplies the cloth to pass through, the dust absorption hole has been seted up near cloth one side to the dust absorption pipe, exhaust tube one end intercommunication is in the dust absorption pipe, the exhaust tube other end intercommunication is in the aspiration pump.

Through adopting above-mentioned technical scheme, when transporting the space between two dust absorption pipes through the cloth of brushing roller, the aspiration pump is to the intraductal suction of dust absorption to this makes the intraductal negative pressure that forms of dust absorption, with this makes the impurity on cloth surface inhale the intraductal dust absorption, with this impurity that reduces cloth surface improves the stamp quality.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When the brush is worn and needs to be replaced, the sleeve is rotated, so that the sleeve moves along the length direction of the connecting plate, the telescopic rod is lengthened or shortened, the sleeve is embedded into or far away from the connecting groove, and the connecting plate is convenient to assemble and disassemble;

2. The first motor drives the second gear to rotate, the first gear rotates along with the second gear, all the threaded rods rotate, and the moving rod is connected in the moving groove in a sliding way along the radial direction of the disc, so that the moving rod is close to or far from the locking hole;

3. Carding needles are additionally arranged, so that the adhesion impurities of the brushing roller are reduced, and the cleaning effect of the brushing roller on cloth is improved.

Drawings

Fig. 1 is a perspective view of the present embodiment.

Fig. 2 is a top view of the present embodiment.

Fig. 3 is a sectional view in the A-A direction in fig. 2 of the present embodiment.

Fig. 4 is a sectional view in the B-B direction in fig. 2 of the present embodiment.

Fig. 5 is a sectional view of the portion C in fig. 3 of the present embodiment.

Fig. 6 is a sectional view in the D-D direction in fig. 2 of the present embodiment.

Reference numerals illustrate: 100. a frame; 110. a second motor; 120. a support plate; 121. carding needles; 130. a collection box; 140. a dust collection pipe; 141. dust collection holes; 150. an exhaust pipe; 160. a dust collection box; 161. a filter screen; 170. an air extracting pump; 200. a guide roller group; 210. a first roller; 220. a second roller; 300. a bristle roller; 310. a disc; 311. a connecting groove; 312. a moving groove; 313. a moving rod; 314. a cavity; 320. a connecting plate; 330. a brush; 340. a telescopic rod; 341. a first lever; 342. a sleeve; 343. a locking hole; 400. a moving assembly; 410. a threaded rod; 420. a first gear; 430. a rotating member; 431. a first motor; 432. and a second gear.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a cloth feeding device of a flat screen printing machine. Referring to fig. 1 and 2, the cloth feeding device of the flat screen printing machine includes a frame 100, a guide roller set 200 rotatably coupled to the frame 100, and a bristle roller 300, the guide roller set 200 having a length direction consistent with a cloth width direction, the guide roller set 200 being used for guiding the cloth to a printing machine body. The two brushing rollers 300 are arranged, the length direction of the brushing rollers 300 is consistent with the length direction of the guide roller set 200, the two brushing rollers 300 are distributed at intervals along the vertical direction, gaps for cloth to pass through are formed between the two brushing rollers 300 at intervals, and the cloth is sequentially wound on the two brushing rollers 300 from top to bottom.

Referring to fig. 1 and 3, the bristle roll 300 includes disks 310, connection plates 320, brushes 330, the disks 310 are rotatably connected to the frame 100, the disks 310 are provided with two, the two disks 310 are distributed at intervals along the width direction of the cloth, the two disks 310 are formed with a gap for the connection plates 320 to be installed at intervals, the connection plates 320 are provided with a plurality of connection plates 320, the length direction of the connection plates 320 is consistent with the width direction of the cloth, the connection plates 320 are connected between the two disks 310, the connection plates 320 are distributed at intervals along the circumference of the disks 310, the connection plates 320 are arc plates, the concave arc surfaces of the connection plates 320 face to one side close to the central axis of the rotating disk 310, the central axis of the connection plates 320 is collinear with the central axis of the disks 310, the two adjacent connection plates 320 are in contact with each other, and the connection plates 320 form a cylinder. The brush 330 is connected to the concave arc surface of the connection plate 320, the length direction of the brush 330 is radially consistent with that of the disc 310, and the other end of the brush 330 is used for contacting with cloth. The connection plate 320 is detachably connected to the disk 310. The frame 100 is connected with a second motor 110, an output shaft of the second motor 110 is connected to a disc 310, and a central axis of the disc 310 is collinear with a central axis of the output shaft of the second motor 110.

The connection plate 320 is detachably connected to the disc 310, so that the brush 330 can be conveniently replaced, and the cleaning effect of the brush 330 on cloth is improved.

Referring to fig. 1 and 4, the guide roller set 200 includes a first roller 210 and a second roller 220 rotatably coupled to the frame 100, and the bristle roller 300, the first roller 210, and the second roller 220 are sequentially spaced apart in the cloth transport direction. The cloth passes under the first roller 210 and over the second roller 220 in sequence.

Referring to fig. 3, the connection plate 320 is connected with a telescopic rod 340 at both ends in the length direction thereof, the length direction of the telescopic rod 340 is identical to the length direction of the connection plate 320, and the telescopic rod 340 is telescopic in the length direction of the connection plate 320. The telescopic rod 340 includes a first rod 341, and a sleeve 342 threadedly sleeved on the first rod 341, where the length direction of the first rod 341 is consistent with the length direction of the connecting plate 320, one end of the first rod 341 is connected to the connecting plate 320, the sleeve 342 is sleeved on the other end of the first rod 341, and the central axis of the sleeve 342 is collinear with the central axis of the first rod 341. The disc 310 is provided with a connecting groove 311 embedded by a sleeve 342 at one side close to the connecting plate 320, and the depth direction of the connecting groove 311 is consistent with the length direction of the telescopic rod 340. One end of the sleeve 342, which is far from the first rod 341, is embedded in the connecting groove 311, and the sleeve 342 is slidably connected in the connecting groove 311 along the length direction of the connecting plate 320.

Referring to fig. 3 and 5, the connection grooves 311 are each provided therein with a movement groove 312, the length direction of the movement groove 312 is radially identical to that of the disk 310, and the movement groove 312 is connected with a movement rod 313. The length direction of the moving rod 313 is in accordance with the radial direction of the disk 310, and the moving rod 313 is slidably connected to the moving groove 312 along the length direction thereof. The inner wall of the sleeve 342 is provided with a locking hole 343, the locking hole 343 is communicated with the moving groove 312, and one end of the moving rod 313 passes through the locking hole 343.

Referring to fig. 3 and 5, the disc 310 is connected to a moving assembly 400, and the moving assembly 400 is used for driving the moving rod 313 to slide along the radial direction of the disc 310 and connect to the moving slot 312. The moving assembly 400 includes a threaded rod 410, a first gear 420, and a rotating member 430, wherein a cavity 314 is formed in the disc 310, a central axis of the cavity 314 is collinear with a central axis of the disc 310, a length direction of the threaded rod 410 is radially consistent with that of the disc 310, one end of the threaded rod 410 passes through an inner wall of the moving slot 312 along the length direction and is disposed in the cavity 314, the threaded rod 410 is rotatably connected to the inner wall of the moving slot 312, and one end of the moving rod 313, far from the locking hole 343, is in threaded sleeve with the other end of the threaded rod 410. The first gear 420 is sleeved on one end of the threaded rod 410 located in the cavity 314, and the central axis of the first gear 420 is collinear with the central axis of the threaded rod 410. The rotating member 430 includes a first motor 431 and a second gear 432, where the first gear 420 and the second gear 432 are both tapered gears, the first motor 431 is connected to one side of the disc 310 close to the connecting plate 320, an output shaft of the first motor 431 passes through an inner wall of the cavity 314 along a length direction of the connecting plate 320, the second gear 432 is connected to an output shaft of the first motor 431 and is disposed in the cavity 314, a central axis of the second gear 432 is collinear with a central axis of the disc 310, and the plurality of first gears 420 are all meshed with the second gear 432.

When the telescopic rod 340 is installed, the sleeve 342 is embedded into the connecting slot 311, so that the locking hole 343 is communicated with the moving slot 312, the first motor 431 drives the second gear 432 to rotate, so that the first gear 420 and the threaded rod 410 rotate along with the second gear 432, the moving rod 313 is slidably connected into the moving slot 312 along the length direction thereof, and the moving rod 313 passes through the locking hole 343, so that the sleeve 342 is stably connected into the connecting slot 311.

Referring to fig. 2 and 4, two bristle rolls 300 are provided with a support plate 120 on one side far away from the cloth, the support plate 120 is connected to the frame 100, the length direction of the support plate 120 is consistent with the length direction of the connecting plate 320, one side of the support plate 120 close to the bristle rolls 300 is connected with a plurality of carding needles 121, the carding needles 121 are distributed at intervals along the length direction of the support plate 120, the length direction of the carding needles 121 is consistent with the width direction of the support plate 120, one end of the carding needles 121 is connected to the support plate 120, and the other end of the carding needles 121 is contacted with the brushes 330. The collecting box 130 is arranged right below the supporting plate 120, the rack 100 of the collecting box 130 is connected with the collecting box 130, the length direction of the collecting box 130 is consistent with the length direction of the supporting plate 120, and the top of the collecting box 130 is provided with an opening. The brushing roller 300 cleans the cloth, and the carding needle 121 cleans the hairbrush 330, so that impurities on the hairbrush 330 are reduced, the cleaning effect of the brushing roller 300 on the cloth is improved, and part of impurities fall into the collecting box 130, so that pollution caused by the fact that the impurities fall into the surrounding environment is reduced.

Referring to fig. 4 and 6, the frame 100 is further connected with a suction pipe 140, a suction pipe 150, and a suction pump 170, and the bristle roller 300, the first roller 210, the second roller 220, and the suction pipe 140 are sequentially spaced apart in the cloth transport direction. The length direction of the dust suction pipes 140 is consistent with the length direction of the connecting plate 320, two dust suction pipes 140 are arranged, the dust suction pipes 140 are distributed at intervals in the vertical direction, gaps for cloth to pass through are formed in the intervals of the two dust suction pipes 140, dust suction holes 141 are formed in one side, close to the cloth, of the dust suction pipes 140, the length direction of the dust suction holes 141 is consistent with the length direction of the connecting plate 320, one end of the air suction pipe 150 is communicated with the two dust suction pipes 140, and the other end of the air suction pipe 150 is communicated with the air suction pump 170. The exhaust pipe 150 is also communicated with a dust collection box 160, the dust collection box 160 is positioned between the exhaust pump 170 and the dust collection pipe 140, the dust collection box 160 is connected with a filter screen 161, and the filter screen 161 is arranged at one end of the dust collection box 160 close to the exhaust pump 170.

When the cloth passes through the dust suction pipe 140, the air suction pump 170 sucks air in the dust suction pipe 140, so that impurities enter the dust suction pipe 140 and enter the dust collection box 160 along the air suction pipe 150 to collect, thereby further reducing the impurities on the surface of the cloth and improving the printing effect.

The implementation principle of the cloth feeding device of the flat screen printing machine provided by the embodiment of the application is as follows: when the brush 330 is worn and the cloth cleaning effect is reduced, the first motor 431 drives the second gear 432 to rotate, the first gear 420 and the threaded rod 410 follow the second gear 432 to rotate, and the moving rod 313 is slidably connected in the moving slot 312 along the length direction and is far away from the locking hole 343. When the moving rod 313 is far away from the locking hole 343, the sleeve 342 is rotated, and the sleeve 342 is moved in the length direction thereof and far away from the connecting groove 311, thereby shortening the telescopic rod 340, and thus the telescopic rod 340 is conveniently detached from the disk 310, and the brush 330 is conveniently replaced or cleaned.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a cloth feeding device of flat screen printing machine, includes frame (100), rotates two brush hair roller (300) of being connected in frame (100), brush hair roller (300) length direction is unanimous with cloth width direction, two brush hair roller (300) are along vertical direction interval distribution, two brush hair roller (300) interval formation supplies the space that the cloth passed through, its characterized in that: the brush roller (300) comprises a disc (310), a connecting plate (320) and a brush (330), the disc (310) is rotationally connected to a frame (100), disc rotation axes and central axes are collinear, the disc (310) is provided with two discs (310) and distributed along the width direction of cloth, the length direction of the connecting plate (320) is consistent with the width direction of cloth, the connecting plate (320) is provided with a plurality of, the connecting plate (320) is connected between the two discs (310), a plurality of connecting plates (320) are distributed along the circumferential direction of the disc (310) at intervals, the brush (330) is connected to the connecting plate (320), the other end of the brush (330) is used for being contacted with cloth, the connecting plate (320) is connected with telescopic rods (340) along the two ends of the length direction of the connecting plate, the telescopic rods (340) are consistent with the length direction of the connecting plate (320), the telescopic rods (340) are telescopic along the length direction of the connecting plate (320), the connecting plates (310) are close to one side of the connecting plate (320) and are provided with connecting grooves (311) for embedding the telescopic rods (340), and the telescopic rods (340) are connected in the sliding grooves (311).

2. The cloth feeding device of a flat screen printing machine according to claim 1, wherein: the telescopic rod (340) comprises a first rod (341) and a sleeve (342), the length direction of the first rod (341) is consistent with that of the connecting plate (320), one end of the first rod (341) is connected to the connecting plate (320), the sleeve (342) is sleeved on the other end of the first rod (341) in a threaded mode, the central axis of the sleeve (342) is collinear with that of the first rod (341), one end, away from the connecting plate (320), of the sleeve (342) is embedded in the connecting groove (311), and the sleeve (342) is slidably connected in the connecting groove (311) along the length direction of the connecting plate (320).

3. The cloth feeding device of a flat screen printing machine according to claim 2, wherein: the utility model discloses a movable connecting device for a mobile phone, including connecting slot (311) and sleeve (342), movable connecting slot (312) has been seted up to connecting slot (311) inner wall, movable connecting slot (312) length direction radially unanimous with disc (310), movable connecting rod (313) have been connected with in movable connecting slot (312), disc (310) are connected with movable subassembly (400), movable subassembly (400) are used for driving movable connecting rod (313) along radial sliding connection of disc (310) in movable connecting slot (312), locking hole (343) have been seted up to sleeve (342) inner wall, locking hole (343) communicate with movable connecting slot (312), locking hole (343) are passed to movable connecting rod (313) one end.

4. A cloth feeding device of a flat screen printing machine according to claim 3, wherein: the movable assembly (400) comprises a threaded rod (410), a first gear (420) and a rotating piece (430), the length direction of the threaded rod (410) is radially consistent with that of the disc (310), one end of the threaded rod (410) is rotationally connected to the inner wall of the movable groove (312), the other end of the threaded rod (410) is sleeved with threads of the movable rod (313), a cavity (314) is formed in the disc (310), the central axis of the cavity (314) is collinear with that of the central axis of the disc (310), one end of the threaded rod (410) far away from the movable rod passes through the inner wall of the movable groove (312) and is arranged in the cavity (314), the first gear (420) is sleeved at one end of the threaded rod (410) located in the cavity (314), and the rotating piece (430) is used for driving the first gear (420) to rotate.

5. The cloth feeding device of a flat screen printing machine according to claim 4, wherein: the rotating piece (430) comprises a first motor (431) and a second gear (432), the first motor (431) is connected to one side, close to the connecting plate (320), of the disc (310), an output shaft of the first motor (431) penetrates through the inner wall of the cavity (314), the second gear (432) is connected to the output shaft of the first motor (431), the central axis of the second gear (432) is collinear with the central axis of the disc (310), the first gear (420) and the second gear (432) are arranged in a conical gear mode, and a plurality of first gears (420) are meshed with the second gears (432).

6. The cloth feeding device of a flat screen printing machine according to claim 1, wherein: cloth loops through one brushing roller (300) below and another brushing roller (300) below, brushing roller (300) is kept away from cloth one side and is equipped with backup pad (120), backup pad (120) length direction is unanimous with connecting plate (320) length direction, backup pad (120) are close to brushing roller (300) one side and are connected with a plurality of carding wires (121), carding wires (121) other end and brush (330) contact, a plurality of carding wires (121) are along backup pad (120) length direction interval distribution.

7. The cloth feeding device of a flat screen printing machine according to claim 6, wherein: the utility model discloses a collecting box, including backup pad (120) below, collecting box (130) all are equipped with collecting box (130) below backup pad (120), collecting box (130) length direction is unanimous with connecting plate (320) length direction, collecting box (130) open-top sets up.

8. The cloth feeding device of a flat screen printing machine according to claim 1, wherein: frame (100) are connected with dust absorption pipe (140), exhaust tube (150), aspiration pump (170), brush hair roller (300) and dust absorption pipe (140) follow cloth direction of transportation interval distribution in proper order, dust absorption pipe (140) length direction is unanimous with brush hair roller (300) length direction, dust absorption pipe (140) are equipped with two, dust absorption pipe (140) follow vertical direction interval distribution, two dust absorption pipe (140) interval is formed with the space that supplies the cloth to pass through, dust absorption hole (141) have been seted up near cloth one side of dust absorption pipe (140), exhaust tube (150) one end intercommunication is in dust absorption pipe (140), the other end intercommunication of exhaust tube (150) is in aspiration pump (170).