CN221233298U - Circular screen printer with cleaning device - Google Patents

Abstract

The application relates to a rotary screen printing machine with a cleaning device, which comprises a frame, a transmission belt, a rotary screen, a water spraying pipe connected to the frame, wherein one end of the water spraying pipe is connected with a water supply source, the water spraying pipe is arranged below the transmission belt, one side of the water spraying pipe, which is close to the transmission belt, is connected with a plurality of first spray heads, and the spray heads are used for spraying water to the downward side of the transmission belt. The water supply source is used for supplying water to the spray pipe, and spraying water to the conveying belt through the first spray head, so that color paste on the conveying belt is reduced, and pollution to cloth caused by color paste on the conveying belt is reduced.

Description

Circular screen printer with cleaning device

Technical Field

The application relates to the field of printing equipment, in particular to a rotary screen printing machine with a cleaning device.

Background

At present, printing equipment is provided with a rotary screen, a flat screen, a transfer and copper plate screens and the like, but the most widely applied rotary screen is used for printing, and the rotary screen has the characteristics of high printing speed, high production efficiency and the like. Therefore, a rotary screen printing machine is generally adopted to print the cloth in the cloth production process.

The Chinese patent of the grant bulletin number CN203401809U discloses a circular screen automatic cleaning device of a circular screen printer, which comprises a frame of the circular screen printer and a circular screen, wherein the circular screen is arranged on the frame, a square rod is inserted in the circular screen, and two ends of the square rod are fixed on the frame; the cleaning trolley is inserted and sleeved on the square rod, a plurality of nozzles are fixed on the cleaning trolley and communicated with a water supply pipe, the water supply pipe is fixed on the conveying chain, a variable frequency motor is fixed on the frame, and a chain wheel is fixed on the rotating shaft of the variable frequency motor.

During the use, variable frequency motor drives the sprocket and rotates, washs the dolly and follow square pole length direction reciprocating motion, and at the dolly motion in-process of wasing, the delivery pipe supplies water to the nozzle, and the nozzle just washs the cylinder inside to the interior water spray of cylinder, washs the cylinder inside.

According to the related technical scheme, when the color paste remained in the circular screen is cleaned by spraying water into the circular screen, the water containing the color paste can permeate into the conveying belt through the circular screen to pollute the conveying belt, and if the conveying belt is not cleaned in time, the pollution to cloth is easy to cause, so that the dyeing quality is affected.

Disclosure of utility model

In order to clean a transmission belt and reduce pollution of dye liquor on the transmission belt to cloth, the application provides a rotary screen printing machine with a cleaning device.

The rotary screen printing machine with the cleaning device provided by the application adopts the following technical scheme:

The utility model provides a circular screen printer with cleaning device, includes the frame, connects in transmission band, the cylinder of frame, still including connecting in the spray pipe of frame, spray pipe one end is connected with the supply source, the spray pipe is located the transmission band below, spray pipe length direction is unanimous with the width direction of transmission band, the spray pipe is close to transmission band one side and is connected with a plurality of first shower nozzles, each first shower nozzle all communicates with the spray pipe, first shower nozzle is used for spraying water to the transmission band.

Through adopting above-mentioned technical scheme, after the circular screen printer accomplished the printing and dyeing to the cloth, the conveyer belt transported to spray pipe top, the water supply source is to the intraductal water delivery of spray to the conveyer belt through first shower nozzle, washs the conveyer belt, with this mill base on the reduction conveyer belt, reduces the pollution that the mill base caused the cloth on the conveyer belt.

Optionally, the frame is still connected with brush hair roller, spacing roller, brush hair roller and spacing roller length direction are unanimous with the conveyer belt width direction, spray pipe, brush hair roller, spacing roller distribute along the conveyer belt direction of transportation in proper order, brush hair roller locates the conveyer belt below, brush hair roller and spacing roller interval form the space that supplies the conveyer belt to pass through.

Through adopting above-mentioned technical scheme, when the conveyer belt is through the spray pipe washing back, when passing through the space between brush hair roller and the spacing roller, brush hair roller brushes the reason to the conveyer belt, further clears away the mill base on the conveyer belt.

Optionally, the brush hair roller is including rotating two bases, a plurality of bracing pieces, a plurality of brush hair spare of connecting in the frame, bracing piece length direction is unanimous with transmission band width direction, the bracing piece both ends are connected respectively in two bases, a plurality of the bracing piece distributes along base circumference, brush hair spare detachable connection in the bracing piece.

Through adopting above-mentioned technical scheme, when the brush hair roller live time is longer, easy more stains of being infected with on the brush hair spare for the brush hair spare weakens to the cleaning effect of conveyer belt, when the brush hair spare is gone up the spot more, dismantles the brush hair spare from the bracing piece, installs the bracing piece again after clearing up the brush hair spare, ensures the brush hair spare to the cleaning effect of conveyer belt.

Optionally, the brush hair spare includes installation piece, brush hair, installation piece length direction is unanimous with bracing piece length direction, the installation groove that supplies the bracing piece embedding has been seted up to installation piece one side that is close to the bracing piece, the bracing piece is along radial sliding connection of base in the installation groove, the brush hair is connected in installation piece and is kept away from bracing piece one side, the installation groove inner wall is connected with locking element, locking element is used for locking the bracing piece in the installation groove.

Through adopting above-mentioned technical scheme, when installing the brush hair spare, radially imbed the bracing piece along the base in the mounting groove to through locking component with the installation piece stable connection on the bracing piece.

Optionally, the joint groove has been seted up to bracing piece lateral wall, joint groove length direction is unanimous with bracing piece width direction, the spread groove has been seted up to the mounting groove inner wall, spread groove depth direction is unanimous with bracing piece width direction, locking component includes joint piece, spring, joint piece is along bracing piece width direction sliding connection in the joint groove, spring length direction is unanimous with bracing piece width direction, spring one end is connected in the mounting groove inner wall, and the other end is connected in the joint piece and is close to bracing piece one end, spring one end is kept away from to the joint piece and is inlayed in the spread groove, joint piece is kept away from the slope of mounting piece one side and is set up the guide surface that the spread groove was kept away from to the joint piece of being convenient for formation.

Through adopting above-mentioned technical scheme, when installing the installation piece on the bracing piece, the bracing piece slides along the base is radial in the mounting groove and inlays in the mounting groove, the installation piece butt is in the joint piece and promote the joint piece along bracing piece width direction removal in the joint groove, make the spring receive the joint piece extrusion to take place deformation, the joint piece follows the bracing piece along the radial removal of base, make the joint piece keep away from spring one end and inlay in the spread groove, the spring has certain elasticity, order about the joint piece to support tight spread groove inner wall, make and be connected between installation piece and the bracing piece more stable, add the guide surface and make the joint piece more laborsaving when keeping away from the spread groove when dismantling, the operation is more convenient.

Optionally, the frame still is connected with suction pipe, aspiration pump, aspiration tube (630) intercommunication suction pipe and aspiration pump, suction pipe length direction is unanimous with the conveyer belt width direction, the suction pipe is located the conveyer belt below, suction pipe and spray pipe distribute along conveyer belt direction of transmission in proper order, suction pore has been seted up near conveyer belt one side to the suction pipe, suction pore length direction is unanimous with suction pipe length direction, the aspiration tube still is connected with the collection subassembly.

Through adopting above-mentioned technical scheme, before the cloth passes through the spray pipe, firstly through the suction pipe, the aspiration pump is to sucking the intraductal suction of suction for form negative pressure in the suction pipe, make the batting on the transmission band be inhaled in the suction pipe, and collect in the collecting assembly, with this batting that reduces the transmission band surface, avoid the brushing roller to be infected with batting as far as possible, ensure the cleaning effect of brushing roller to the transmission band.

Optionally, collect the subassembly including connect in the reposition of redundant personnel case of frame, connect in the collection bag of reposition of redundant personnel case, collect the bag in reposition of redundant personnel case intercommunication, reposition of redundant personnel case intercommunication exhaust tube and aspiration pump, be connected with the filter screen in the reposition of redundant personnel incasement near aspiration pump one side.

Through adopting above-mentioned technical scheme, when the batting on the transmission band is inhaled in the suction tube, along the exhaust tube get into the reposition of redundant personnel incasement to get into through the reposition of redundant personnel case and collect in the collection bag, add the filter screen, avoid the batting to get into the aspiration pump as far as possible, reduce the batting to the influence of aspiration pump operation.

Optionally, the frame is still connected with the scraper blade, the scraper blade is located the conveyer belt below, brush hair roller and scraper blade distribute in proper order along the conveyer belt direction of transmission, scraper blade length direction is unanimous with conveyer belt width direction, scraper blade up end and conveyer belt are close to scraper blade one side contact.

Through adopting above-mentioned technical scheme, remove to the scraper blade after the conveyer belt band-pass brush hair roller, strike off the moisture on the conveyer belt through the scraper blade, reduced the moisture on conveyer belt surface.

Optionally, the frame is still connected with the air heater, the air heater is located the conveyer belt below, scraper blade and air heater distribute along conveyer belt direction of transmission in proper order, the air outlet of air heater sets up towards the conveyer belt.

Through adopting above-mentioned technical scheme, when the conveyer belt removes to the air heater top, the air heater blows out hot-blast stoving to the conveyer belt, reduces the moisture on the conveyer belt.

Optionally, still including being connected in the outlet pipe of frame, outlet pipe one end is connected with the working shaft, the working shaft is used for to the water delivery in the outlet pipe, outlet pipe keeps away from working shaft one end and extends to in the cylinder, the outlet pipe is located cylinder one end and is connected with a plurality of second shower nozzles, second shower nozzle and outlet pipe intercommunication, the second shower nozzle is used for spraying water to in the cylinder.

Through adopting above-mentioned technical scheme, through the water supply pump to the water delivery in the outlet pipe, water gets into in the outlet pipe and through the second shower nozzle to the cylinder mould water spray, clear up the mill base of remaining on the cylinder mould.

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

1. Spraying water on the conveying belt through a water spraying pipe, and brushing the conveying belt through a brushing roller, so that color paste on the surface of the conveying belt is reduced, and pollution of residual color paste on the conveying belt to cloth is avoided as much as possible;

2. The suction pump pumps air in the capillary tube to form negative pressure in the capillary tube, so that the flocks on the conveying belt are sucked into the capillary tube and enter the diversion box along the suction tube, and the flocks entering the diversion box are blocked by the filter screen and enter the collecting bag, so that the flocks on the conveying belt are reduced;

3. After the transmission belt is washed, hot air is led out to the transmission belt by the hot air blower above the hot air blower, the transmission belt is dried, the water content of the transmission belt is reduced, and the transmission belt is kept dry as much as possible.

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 in the C-C direction in fig. 2 of the present embodiment.

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

Fig. 7 is a perspective view of the bristle roll in this embodiment.

Fig. 8 is an enlarged view of the portion E in fig. 3 of the present embodiment.

Reference numerals illustrate: 100. a frame; 200. a transmission belt; 300. a cylinder; 400. a water spray pipe; 410. a water supply source; 411. a water supply pipe; 412. a pressure pump; 420. a first nozzle; 510. a water outlet pipe; 520. a water supply pump; 530. a second nozzle; 610. a capillary tube; 611. pores are sucked; 620. an air extracting pump; 630. an exhaust pipe; 640. a collection assembly; 641. a shunt box; 642. a collection bag; 643. a filter screen; 700. a bristle roller; 710. a base; 720. a support rod; 721. a clamping groove; 730. a mounting block; 731. a mounting groove; 732. a connecting groove; 740. brushing; 750. a locking assembly; 751. a clamping block; 752. a spring; 760. a limit roller; 800. a scraper; 900. an air heater.

Detailed Description

The application is described in further detail below with reference to fig. 1-8.

The embodiment of the application discloses a rotary screen printing machine with a cleaning device. Referring to fig. 1 and 2, the rotary screen printing machine with the cleaning device includes a frame 100, a conveyor belt 200, and a plurality of rotary screens 300 connected to the frame 100.

Referring to fig. 1 and 3, the apparatus further includes a water spray pipe 400 connected to the frame 100, the water spray pipe 400 being disposed below the conveyor belt 200, the water spray pipe 400 being for spraying water to the conveyor belt 200. The surface of the conveyor belt 200 is cleaned by the water spray pipe 400, so that color paste and other impurities on the surface of the conveyor belt 200 are reduced.

Referring to fig. 1 and 3, the length direction of the cylinder mould 300 is consistent with the width direction of the conveyor belt 200, a plurality of cylinder moulds 300 are spaced apart along the length direction of the conveyor belt 200, and the cylinder mould 300 is disposed above the conveyor belt 200. The length direction of the shower pipe 400 is identical to the width direction of the conveyor belt 200. One end of the spray pipe 400 is connected with a water supply source 410, one side of the spray pipe 400 close to the conveyor belt 200 is connected with a plurality of first spray heads 420, the first spray heads 420 are communicated with the spray pipe 400, and the first spray heads 420 are used for spraying water to the conveyor belt 200. When the conveyor belt 200 is transported to the upper part of the water spraying pipe 400, the water supply source 410 supplies water into the water spraying pipe 400 and sprays the water to the conveyor belt 200 through the first spray nozzle 420, so that color paste or other impurities on the conveyor belt 200 are cleaned, stains of the conveyor belt 200 are reduced, and the conveyor belt 200 is prevented from polluting cloth as much as possible.

Referring to fig. 1 and 4, the frame 100 is further connected with a water outlet pipe 510 and a water supply pump 520, the water outlet pipe 510 is L-shaped, one end of the water outlet pipe 510 close to the cylinder mould 300 is arranged along the length direction of the cylinder mould 300, one end of the water outlet pipe 510 far away from the cylinder mould 300 is arranged along the vertical direction, the water supply pump 520 is connected to one end of the water outlet pipe 510 far away from the cylinder mould 300, the water supply pump 520 is communicated with the water outlet pipe 510, and the water supply pump 520 is used for conveying water into the water outlet pipe 510. One end of the water outlet pipe 510, which is close to the cylinder mould 300, extends into the cylinder mould 300 along the length direction of the cylinder mould 300, one end of the water outlet pipe 510, which is arranged in the cylinder mould 300, is connected with a plurality of second spray heads 530, the second spray heads 530 are communicated with the water outlet pipe 510, and the plurality of second spray heads 530 are distributed at intervals along the circumferential direction of the water outlet pipe 510. The water supply pump 520 supplies water into the water outlet pipe 510, and the water is sprayed to the cylinder 300 through the second spray head 530 to clean the color paste remained in the cylinder 300, so as to reduce the color paste in the cylinder 300.

Referring to fig. 3 and 5, the frame 100 is further connected with a suction pipe 610, a suction pump 620, and a suction pipe 630, the length direction of the suction pipe 610 is consistent with the width direction of the conveyor belt 200, the suction pipe 610 is disposed below the conveyor belt 200, and the suction pipe 630 communicates the suction pipe 610 with the suction pump 620. The suction holes 611 are formed in the side, close to the conveyor belt 200, of the suction tube 610, and the length direction of the suction holes 611 is consistent with the length direction of the suction tube 610. The exhaust tube 630 is further connected with a collecting assembly 640, the collecting assembly 640 comprises a shunt box 641 and a collecting bag 642, the shunt box 641 is connected to the exhaust tube 630, and the collecting bag 642 is detachably connected to the lower end face of the shunt box 641. The shunt tank 641 communicates the suction pipe 630 with the collection bag 642, and the shunt tank 641 communicates the suction pipe 630 with the suction pump 620. A filter screen 643 is connected to the shunt tank 641, and the filter screen 643 is provided in the shunt tank 641 at a side close to the suction pump 620. The suction pipe 610 and the shower pipe 400 are sequentially distributed along the transport direction of the conveyor belt 200. When the conveying belt 200 passes over the suction tube 610, the suction pump 620 pumps air in the suction tube 610, so that negative pressure is formed in the suction tube 610, and flocks on the conveying belt 200 enter the suction tube 630 through the suction holes 611 and enter the shunt box 641 along the suction tube 630, are blocked by the filter screen 643, and enter the collecting bag 642 to be collected.

Referring to fig. 3 and 6, a water supply source 410 is connected to the water spray pipe 400 away from the conveyor belt 200, the water supply source 410 includes a water supply pipe 411, and a pressure pump 412 connected to the housing 100, the water supply pipe 411 communicates the water spray pipe 400 with the pressure pump 412, and the pressure pump 412 is used to supply water into the water supply pipe 411. When the cloth passes over the water spray pipe 400, the pressure pump 412 guides water into the water supply pipe 411 and enters the water spray pipe 400 along the water supply pipe 411, and the water is sprayed to the conveyor belt 200 through the first nozzle 420, so that color paste or other impurities on the conveyor belt 200 are cleaned.

Referring to fig. 3 and 7, the frame 100 is further connected with a bristle roller 700 and a limit roller 760, the bristle roller 700 is disposed below the conveyor belt 200, the limit roller 760 is disposed above the bristle roller 700, and the bristle roller 700 and the limit roller 760 form a gap through which the conveyor belt 200 passes. The spray pipe 400, the bristle roll 700 and the limit roll 760 are sequentially distributed along the conveying direction of the conveying belt 200, and the first nozzle 420 is obliquely arranged and faces the conveying belt 200 above the bristle roll 700.

Referring to fig. 7 and 8, the bristle roll 700 includes two bases 710 rotatably coupled to the frame 100, a plurality of support bars 720, and a plurality of bristle pieces. The base 710 is a circular plate, the length direction of the supporting rods 720 is consistent with the width direction of the conveying belt 200, two ends of the supporting rods 720 are respectively connected to the two base 710, a plurality of supporting rods 720 are distributed along the circumferential direction of the base 710, and bristle pieces are detachably connected to the supporting rods 720. The bristle member includes a mounting block 730 and bristles 740, and the length direction of the mounting block 730 is identical to the length direction of the support rod 720. The mounting block 730 has a mounting groove 731 formed on a side thereof adjacent to the support rod 720, the length direction of the mounting groove 731 is identical to the length direction of the mounting block 730, and the support rod 720 is slidably connected in the mounting groove 731 along the radial direction of the base 710. The transmission belt 200 passes through the gap between the spacing roller 760 and the brushing roller 700 after passing through the water spraying pipe 400, the brushing roller 700 rotates to brush the transmission belt 200, and the first spray heads 420 are obliquely arranged, so that the first spray heads 420 spray water to the transmission belt 200 while brushing the transmission belt 200 of the brushing roller 700, and the cleaning and brushing are simultaneously carried out, thereby being beneficial to further cleaning color paste, impurities and the like on the transmission belt 200.

Referring to fig. 8, the supporting rod 720 is further connected with a locking component 750, the locking component 750 is used for locking the supporting rod 720 in the mounting groove 731, a clamping groove 721 is formed in the side wall of the supporting rod 720, and the length direction of the clamping groove 721 is consistent with the width direction of the supporting rod 720. The locking unit 750 includes a locking block 751 and a spring 752, wherein the locking block 751 is slidably connected in the locking groove 721 along the width direction of the support rod 720, the length direction of the spring 752 is consistent with the width direction of the support rod 720, one end of the spring 752 is connected to the locking block 751 close to the support rod 720, and the other end is connected to the inner wall of the locking groove 721. The catching blocks 751 are obliquely disposed near the side of the mounting block 730 and form inclined planes for facilitating the insertion of the supporting bar 720 into the mounting groove 731. The inner wall of the mounting groove 731 is also provided with a connecting groove 732, the depth direction of the connecting groove 732 is consistent with the width direction of the mounting block 730, and one end of the clamping block 751, which is far away from the spring 752, is abutted against the inner wall of the connecting groove 732. The engagement block 751 is inclined away from the mounting block 730 side to form a guide surface for facilitating the engagement block 751 to be away from the connection groove 732. The mounting block 730 is detachably connected with the support rod 720 to facilitate replacement and cleaning of the bristle part. When the mounting block 730 is mounted, the supporting rod 720 is radially and slidably connected in the mounting groove 731 along the base 710, and pushes the clamping block 751 to slide in the clamping groove 721 along the width direction of the supporting rod 720, and presses the spring 752 to deform, so that the spring 752 drives the clamping block 751 to abut against the side wall of the mounting groove 731, and the mounting block 730 is stably connected with the supporting rod 720.

Referring to fig. 3, the frame 100 is further connected with a scraper 800, the length direction of the scraper 800 is consistent with the width direction of the conveyor belt 200, the scraper 800 is disposed below the conveyor belt 200, and the bristle rollers 700 and the scraper 800 are sequentially distributed along the conveying direction of the conveyor belt 200. The upper end surface of the scraper 800 is inclined near the bristle roll 700, and the upper end surface of the scraper 800 abuts against the conveyor belt 200. The frame 100 is also connected with an air heater 900, the air heater 900 is arranged below the conveyor belt 200, and the scraping plates 800 and the air heater 900 are distributed in sequence along the conveying direction of the conveyor belt 200. The air outlet of the air heater 900 faces the conveyor belt 200. When the conveyor belt 200 is washed, the scraper 800 scrapes off part of the moisture of the conveyor belt 200, reducing the moisture on the surface of the conveyor belt 200. The conveyor belt 200 of the scraper 800 moves above the air heater 900, and the drying effect of the air heater 900 further reduces the moisture on the surface of the conveyor belt 200.

The implementation principle of the rotary screen printing machine with the cleaning device provided by the embodiment of the application is as follows: after the color paste in the cylinder 300 is cleaned by the water outlet pipe 510, part of the color paste is mixed with water and then permeates into the conveyor belt 200 through the cylinder 300, so that the conveyor belt 200 is polluted. The conveyor belt 200 moves above the suction tube 610, the suction tube 610 is pumped by the pump 620, and the flock enters the collecting assembly 640 through the suction holes 611 to be collected. When the conveyor belt 200 is conveyed above the water spraying pipe 400 and the brushing roller 700, the pressure pump 412 conveys water into the water supply pipe 411, the water is sprayed onto the conveyor belt 200 through the first spray nozzle 420 after entering the water spraying pipe 400, and the water spraying pipe 400 sprays water onto the conveyor belt 200, and the brushing roller 700 brushes the conveyor belt 200 to clean color paste and other impurities on the conveyor belt 200. After the conveyor belt 200 is washed by the water spray pipe 400 and the bristle roller 700, the water on the surface of the conveyor belt 200 is reduced by the scraping action of the scraper 800 on the conveyor belt 200 after moving above the scraper 800. The conveyor belt 200 moves above the air heater 900 after passing through the scraper 800, and the moisture on the surface of the conveyor belt 200 is further reduced by the drying function of the air heater 900. The color paste and other impurities on the conveyor belt 200 are cleaned, the influence of the color paste on the conveyor belt 200 on cloth is reduced, and the printing and dyeing quality is ensured.

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 (10)

1. Circular screen printer with cleaning device, including frame (100), be connected in conveyer belt (200) of frame (100), cylinder mould (300), its characterized in that: still including being connected in spray pipe (400) of frame (100), spray pipe (400) one end is connected with water supply source (410), spray pipe (400) are located conveyer belt (200) below, spray pipe (400) length direction is unanimous with the width direction of conveyer belt (200), spray pipe (400) are close to conveyer belt (200) one side and are connected with a plurality of first shower nozzles (420), each first shower nozzle (420) all communicate with spray pipe (400), first shower nozzle (420) are used for spraying water to conveyer belt (200).

2. Rotary screen printing machine with cleaning device according to claim 1, characterized in that: the machine frame (100) is further connected with a brushing roller (700) and a limiting roller (760), the brushing roller (700) is consistent with the length direction of the limiting roller (760) and the width direction of the conveying belt (200), the water spraying pipe (400), the brushing roller (700) and the limiting roller (760) are sequentially distributed along the conveying direction of the conveying belt (200), the brushing roller (700) is arranged below the conveying belt (200), and a gap for the conveying belt (200) to pass through is formed between the brushing roller (700) and the limiting roller (760).

3. Rotary screen printing machine with cleaning device according to claim 2, characterized in that: the brushing roller (700) comprises two bases (710), a plurality of supporting rods (720) and a plurality of brushing pieces, wherein the two bases (710) are rotatably connected to the frame (100), the length direction of the supporting rods (720) is consistent with the width direction of the conveying belt (200), two ends of each supporting rod (720) are respectively connected to the two bases (710), the supporting rods (720) are circumferentially distributed along the bases (710), and the brushing pieces are detachably connected to the supporting rods (720).

4. A rotary screen printing machine with cleaning device according to claim 3, characterized in that: the brush bristle piece comprises a mounting block (730) and brush bristles (740), the length direction of the mounting block (730) is consistent with that of a supporting rod (720), a mounting groove (731) for the supporting rod (720) to be embedded is formed in one side of the mounting block (730) close to the supporting rod (720), the supporting rod (720) is radially and slidably connected in the mounting groove (731) along a base (710), the brush bristles (740) are connected to one side, far away from the supporting rod (720), of the mounting block (730), a locking assembly (750) is connected to the inner wall of the mounting groove (731), and the locking assembly (750) is used for locking the supporting rod (720) in the mounting groove (731).

5. The rotary screen printing machine with cleaning device according to claim 4, wherein: the utility model discloses a bracing piece, including bracing piece (720) and bracing piece (720), joint groove (721) have been seted up to bracing piece (720) lateral wall, spread groove (732) have been seted up to joint groove (721) length direction and bracing piece (720) width direction unanimous, spread groove (732) depth direction and bracing piece (720) width direction unanimous, locking subassembly (750) include joint piece (751), spring (752), joint piece (751) are in joint groove (721) along bracing piece (720) width direction sliding connection, spring (752) length direction and bracing piece (720) width direction unanimous, spring (752) one end is connected in mounting groove (731) inner wall, and the other end is connected in joint piece (751) and is close to bracing piece (720) one end, joint piece (751) one end is kept away from spring (752) one end and is inlayed in spread groove (732), joint piece (751) are kept away from installation piece (730) one side slope setting and are formed the guide surface that joint piece (751) of being convenient for keep away from spread groove (732).

6. A rotary screen printing machine with cleaning device according to claim 3, characterized in that: frame (100) still are connected with wool suction pipe (610), aspiration pump (620), aspiration tube (630) intercommunication wool suction pipe (610) and aspiration pump (620), wool suction pipe (610) length direction is unanimous with transmission band (200) width direction, wool suction pipe (610) are located transmission band (200) below, wool suction pipe (610) and spray pipe (400) are distributed in proper order along transmission band (200) transmission direction, wool suction pipe (610) are close to transmission band (200) one side and have been seted up wool suction hole (611), wool suction hole (611) length direction is unanimous with wool suction pipe (610) length direction, aspiration tube (630) still are connected with collection subassembly (640).

7. The rotary screen printing machine with cleaning device according to claim 6, wherein: the collection assembly (640) comprises a distribution box (641) connected to the frame (100), and a collection bag (642) connected to the distribution box (641), wherein the collection bag (642) is communicated with the distribution box (641), the distribution box (641) is communicated with an air suction pipe (630) and an air suction pump (620), and a filter screen (643) is connected to one side, close to the air suction pump (620), in the distribution box (641).

8. The rotary screen printing machine with cleaning device according to claim 4, wherein: the machine frame (100) is further connected with a scraper blade (800), the scraper blade (800) is arranged below the conveying belt (200), the brushing rollers (700) and the scraper blade (800) are sequentially distributed along the conveying direction of the conveying belt (200), the length direction of the scraper blade (800) is consistent with the width direction of the conveying belt (200), and the upper end surface of the scraper blade (800) is contacted with one side, close to the scraper blade (800), of the conveying belt (200).

9. The rotary screen printing machine with cleaning device according to claim 8, wherein: the frame (100) is also connected with an air heater (900), the air heater (900) is arranged below the conveying belt (200), the scraping plates (800) and the air heater (900) are distributed in sequence along the conveying direction of the conveying belt (200), and an air outlet of the air heater (900) is arranged towards the conveying belt (200).

10. Rotary screen printing machine with cleaning device according to claim 1, characterized in that: still including connecting in outlet pipe (510) of frame (100), outlet pipe (510) one end is connected with working shaft (520), working shaft (520) are used for carrying water in to outlet pipe (510), outlet pipe (510) are kept away from working shaft (520) one end and are extended to in mould (300), one end is connected with a plurality of second shower nozzles (530) in mould (300) are located in outlet pipe (510), second shower nozzle (530) and outlet pipe (510) intercommunication, second shower nozzle (530) are used for spraying water in mould (300).