CN219706438U - Circular screen printer - Google Patents

Abstract

The utility model provides a circular screen printer, includes frame, transportation subassembly, advances cloth mechanism, stamp device, and stamp device includes cylinder, slewing mechanism, slurry delivery mechanism, extrusion mechanism, opens on the cylinder has a plurality of dyeing holes, and extrusion mechanism includes scraper group, adjusting part, and the scraper group includes first scraper and second scraper, and first scraper and second scraper overlap each other and stagger the setting, and adjusting part is used for adjusting the length of overlap portion between first scraper and the second scraper. During the use, advance cloth mechanism to the leading-in cloth on the transportation subassembly, the thick liquid mechanism of delivering to the rotary screen in input mill base, rotary mechanism drives the rotary screen and rotates, and the mill base in the scraper group extrudees the rotary screen for the mill base is discharged to the cloth through the dyeing hole and is printed, when cloth width is different, adjusts the length of overlap portion between first scraper and the second scraper through adjusting part. Therefore, the length of the scraper group is changed, the application range of the rotary screen printing machine is increased, and the waste is reduced.

Description

Circular screen printer

Technical Field

The utility model relates to the field of printing equipment, in particular to a rotary screen printing machine.

Background

In the current cloth production process, the cloth is usually required to be dyed and printed through a printing and dyeing procedure. The printing process generally adopts a rotary screen printing machine. The cylinder in the rotary screen printing machine is provided with tiny dyeing holes, color paste is in the cylinder, the color paste cannot be discharged through the dyeing holes under the action of no external force because the dyeing holes are smaller, and in the printing process, the color paste is discharged to the surface of the cloth from the tiny dyeing holes on the cylinder through the extrusion action of the extrusion device and dyes the cloth when the cloth is transported.

Among the prior art, chinese patent with bulletin number CN105774202a discloses a metal scraper scraping device of calico printing machine, including cutter arbor, thick liquid pipe, trachea, scraper knife, fabric, stamp conduction band, pull roller and cylinder, the cutter arbor is connected with thick liquid pipe, the thick liquid pipe is established in one side of cutter arbor, the trachea is established in the below of thick liquid pipe, scraper knife fixed connection is in the bottom of cutter arbor, the below at the cylinder is established to the fabric, the cylinder is established between scraper knife and fabric, the fabric is established on the stamp conduction band, the below of stamp conduction band is equipped with the pull roller.

The use principle is as follows, in the printing process, the rotary screen rotates and the metal scraper scraping device keeps motionless, so that the metal scraper scraping device moves relative to the surface of the rotary screen, and color paste in the rotary screen is uniformly printed on the fabric through meshes under the extrusion force of the metal scraper scraping device.

Aiming at the related technology, in the printing process of the rotary screen printing machine, when the widths of printed fabrics are different, excessive or insufficient color paste extruded by the extrusion device is easy to appear, thereby causing waste and affecting the printing quality.

Disclosure of Invention

In order to adapt to the cloth with different widths and reduce the waste of dye in the printing process,

the rotary screen printing machine provided by the utility model adopts the following technical scheme:

the utility model provides a rotary screen printing machine, includes the frame, is used for transporting the transportation subassembly of cloth, installs in the frame and be used for leading the cloth to the cloth feeding mechanism of transportation subassembly, install in the frame and locate the stamp device of conveyer top, stamp device is including rotating the rotary mechanism of connecting in the frame, install in the frame and be used for driving rotary mechanism of rotary mechanism, install in the frame and be used for to the thick liquid mechanism of input mill base in the rotary screen, install the extrusion mechanism on the thick liquid mechanism, it has a plurality of dyeing holes that supply mill base to pass through to open on the rotary screen, extrusion mechanism is used for extruding the mill base in the rotary screen out the rotary screen, the rotary screen cover is located on the thick liquid mechanism, extrusion mechanism includes along the scraper group of rotary screen length direction installation in the frame, be used for adjusting the adjusting part of scraper group length, scraper group includes first scraper and second scraper, first scraper and second scraper overlap each other and stagger the setting, adjusting part's length between first scraper and the second scraper.

Through adopting above-mentioned technical scheme, in the use, through leading-in cloth on advancing cloth mechanism to the transportation subassembly, under the transportation effect transportation stamp device of cloth received transportation subassembly, the thick liquid mechanism of delivering to the cylinder mould in input mill base, rotating mechanism drives the cylinder mould and rotates, scraper group extrudees mill base in the cylinder mould for the mill base is discharged to the cloth through dyeing hole on, carries out the stamp to the cloth, when the cloth width of the stamp device that passes through is different, adjusts the length of overlap portion between first scraper and the second scraper through adjusting part. Therefore, the length of the scraper group is changed, the length of the scraper group is adjusted to be matched with the width of the cloth, the application range of the rotary screen printing machine is increased, and the situation that the extruded color paste quantity is larger than the color paste quantity required by the cloth when printing narrower cloth is reduced is caused, so that waste is caused.

Optionally, the slurry conveying mechanism comprises a slurry conveying pipe arranged on the frame, a slurry storage tank for storing color paste, a guide pipe arranged on the frame and used for guiding the color paste in the slurry storage tank into the slurry conveying pipe, and a liquid pump arranged on the frame and arranged on the guide pipe, wherein a slurry outlet for discharging the color paste into the cylinder is formed in the slurry conveying pipe.

Through adopting above-mentioned technical scheme, in the use, mill base gets into the honeycomb duct through the drawing liquid pump, flows into the thick liquid pipe along the honeycomb duct, and mill base discharges to the cylinder through the exit slot in, and the cylinder is rotated through slewing mechanism, and the mill base receives the extrusion effect of scraper group, discharges to the cloth from the dyeing hole to accomplish the stamp.

Optionally, the adjusting part includes along cylinder length direction installs in the limiting plate that the pulp delivery pipe is close to transportation subassembly one side, along cylinder length direction rotation connect on the limiting plate threaded rod, be used for driving threaded rod pivoted drive member, scraper group is along cylinder length direction sliding connection on the limiting plate, terminal surface butt in cylinder inner wall under the scraper group, the threaded rod includes positive screw thread section, reverse screw thread section, positive screw thread section is located to first scraper thread bush, reverse screw thread section is located to second scraper thread bush.

Through adopting above-mentioned technical scheme, when the cloth width of stamp is less, drive the threaded rod through driving member and rotate, make first scraper and second scraper follow cylinder length direction on the limiting plate and slide and make the length of overlap portion increase between first scraper and the second scraper, with this length of shortening scraper group, make the length of scraper group and cloth width looks adaptation, make the mill base volume that the scraper group extrudeed equal with the required mill base volume of cloth stamp, reduce the waste of mill base, when the stamp cloth width is great, same with above-mentioned principle, drive the threaded rod through driving member and rotate, make first scraper and second scraper follow cylinder length direction and slide, make the length of overlap portion reduce between first scraper and the second scraper, make scraper group length increase and with cloth width looks adaptation, make the in-process of stamp, the cloth can fully contact the mill base, help improving the stamp quality, the limiting plate plays the effect of prescribing a limit to the direction of scraper group, make the scraper group can slide along the fixed direction.

Optionally, the driving member includes a first bevel gear fixedly connected to one end of the threaded rod, a second bevel gear meshed with the first bevel gear, and a driving motor installed on the frame and used for driving the second bevel gear to rotate.

Through adopting above-mentioned technical scheme, when adjusting scraper group length, initiative motor drives second bevel gear and rotates for first bevel gear rotates, and drives the threaded rod and rotate, makes first scraper and second scraper follow cylinder length direction and slide, is close to each other or keep away from.

Optionally, advance cloth mechanism including rotate connect in the frame the cloth guide roller group, install in the frame and be used for driving the pivoted first motor of cloth guide roller group, cloth guide roller group includes first cloth guide roller, second cloth guide roller, and cloth passes through from the second cloth guide roller below after passing through first cloth guide roller top, advance cloth mechanism still including being used for correcting the cloth and place the subassembly of rectifying of position, the subassembly of rectifying is located cloth guide roller group discharge end.

Through adopting above-mentioned technical scheme, after passing through first cloth guiding roller top with the cloth in the use, twine to second cloth guiding roller below again, drive the cloth guiding roller group through first motor and rotate and the direction cloth gets into transportation subassembly, cloth guiding roller group sets up the route that has increased the cloth and passes through, the tension of cloth has been improved to a certain extent, improve printing quality, and the cloth is discharged from cloth guiding roller group back, through the corrective action of rectifying the subassembly, make the cloth in the transportation, the position of placing of cloth corresponds with scraper group position, make the mill base that scraper group extruded fully contact with the cloth, reduce to appear leading to partial mill base unable contact to the cloth because of the cloth is placed the position skew, cause the mill base extravagant and influence the condition of printing quality.

Optionally, the deviation rectifying assembly comprises a clamp which is arranged on the frame and used for clamping the cloth, and a moving component which is used for driving the clamp to move along the width direction of the cloth to be close to or far away from the cloth.

Through adopting above-mentioned technical scheme, after the cloth passes through the cloth guide roller group, drive anchor clamps and remove and be close to the cloth along cloth width direction through moving the component, after carrying out the centre gripping to the cloth, drive anchor clamps through moving the component and remove along cloth width direction to keep away from another anchor clamps, make the cloth follow anchor clamps and remove along its width direction, make the cloth place the position and correspond with the scraper position.

Optionally, the moving member includes the slide rail of installing in the frame along cloth width direction, along cloth width direction rotation connect the lead screw on the slide rail, install in slide rail one end be used for driving lead screw pivoted rotation motor, along cloth width direction sliding connection remove the slider on the slide rail, remove the slider thread bush and locate on the lead screw, the anchor clamps are installed on removing the slider, the anchor clamps are provided with two to along cloth transport direction symmetry setting, and an anchor clamps correspond a moving member.

Through adopting above-mentioned technical scheme, drive the lead screw through rotating the motor and rotate and make the removal slider along cloth width direction removal, anchor clamps follow the removal slider and remove, carry out the centre gripping to the cloth to drive the cloth and remove to required position.

Optionally, the rotating mechanism comprises a mounting ring arranged at two ends of the cylinder mould, a belt rotationally sleeved on the mounting ring, a driving plate rotationally connected to the belt, and a driving motor arranged on the frame and used for driving the driving plate to rotate, wherein the belt rotationally sleeved on the driving plate is rotationally connected to the frame.

Through adopting above-mentioned technical scheme, in the stamp process, drive the initiative board through driving motor and rotate for the belt follows the initiative board and rotates, and the belt rotates and drives the collar and rotate, makes the rotary screen rotate, and carries out the stamp to the cloth.

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

1. the first scraper and the second scraper move on the limiting plate along the length direction of the cylinder by rotating the threaded rod, so that the length of the overlapped part between the first scraper and the first scraper is increased or decreased, and the length of the scraper group is changed to adapt to cloth with different widths;

2. in the cloth feeding process, clamping is carried out on two sides of the cloth through the clamp, and the moving member drives the clamp and the cloth to move, so that the position where the cloth is placed corresponds to the position of the scraper, the probability of color paste waste is reduced, and the printing quality is improved.

Drawings

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

Fig. 2 is an enlarged view of a portion a in fig. 1 of the present embodiment.

Fig. 3 is an enlarged view of a portion B in fig. 1 of the present embodiment.

Fig. 4 is a perspective view of the slurry feeding mechanism in the present embodiment.

Fig. 5 is a perspective view of the pressing assembly in the present embodiment.

Fig. 6 is a sectional view of fig. 5 in the present embodiment.

Reference numerals illustrate: 1. a support frame; 2. a first mounting frame; 3. a connecting plate; 4. a first mount; 5. a second mounting base; 501. a second mounting frame; 6. a cloth guide roller set; 601. a first cloth guide roller; 602. a second cloth guide roller; 7. a first motor; 8. a clamp; 9. a slide rail; 10. a rotating motor; 11. a screw rod; 12. moving the slide block; 13. a bracket; 14. a rotating roller group; 15. a second motor; 16. a conveyor belt; 17. a cylinder; 1701. dyeing holes; 18. a mounting ring; 19. an active plate; 20. a driving motor; 21. a belt; 22. a slurry conveying pipe; 2201. a slurry outlet; 23. a slurry storage tank; 24. a flow guiding pipe; 25. a liquid pump; 26. a scraper group; 2601. a first scraper; 2602. a second scraper; 26021. a sliding block; 27. a limiting plate; 28. a threaded rod; 2801. a positive thread segment; 2802. a reverse thread segment; 29. a first bevel gear; 30. a second bevel gear; 31. an active motor.

Detailed Description

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

The embodiment of the utility model discloses a rotary screen printing machine, and referring to fig. 1, the rotary screen printing machine comprises a frame, a cloth feeding mechanism, a conveying assembly and a printing device. The conveying assembly feeding end is connected to the discharging end of the cloth feeding mechanism, and the printing device is arranged above the conveying assembly. The transportation assembly comprises a bracket 13, a rotating roller set 14 rotatably connected to two ends of the bracket 13, a second motor 15 mounted on the bracket 13 and used for driving the rotating roller set 14 to rotate, and a conveyor belt 16 driven by the rotating roller set 14 to transmit, wherein the rotating roller set 14 comprises a first rotating roller and a second rotating roller, the first rotating roller and the second rotating roller are respectively rotatably connected to two ends of the bracket 13, and the second motor 15 is used for driving the first rotating roller to rotate.

Referring to fig. 1, the frame includes a support frame 1 mounted on a support frame 13, the cloth feeding mechanism includes a cloth guide roller set 6 rotatably connected to the support frame 1, a first motor 7 mounted on the support frame 1 and used for driving the cloth guide roller set 6 to rotate, and a deviation rectifying assembly, the cloth guide roller set 6 includes a first cloth guide roller 601 and a second cloth guide roller 602, the first motor 7 is used for driving the first cloth guide roller 601 to rotate, and a gap for cloth to pass through exists between the first cloth guide roller 601 and the second cloth guide roller 602. The cloth passes over the first cloth guide roller 601 and under the second cloth guide roller 602 in sequence. The printing device comprises a plurality of circular screens 17, a rotating mechanism, a slurry conveying mechanism and an extruding mechanism, wherein the circular screens 17 are rotationally connected to the support 13 along the width direction of the conveyor belt 16, the circular screens 17 are arranged above the conveyor belt 16, and dyeing holes 1701 for passing color paste are formed in the circular screens 17.

In the use, after the cloth passes through first cloth guide roller 601 top, through the space between first cloth guide roller 601 and the second cloth guide roller 602, through second cloth guide roller 602 below at last, cloth guide roller group 6 has increased the required route of passing through of cloth, has increased the tension of cloth, helps follow-up stamp, has improved stamp quality. After the cloth is discharged from the cloth guide roller group 6, the position of the cloth is rectified by the rectifying component, so that the cloth is kept to be placed forward on the conveyor belt 16, and the position of the cloth is corresponding to the position of the scraper group 26. And then the first motor 7 drives the first cloth guide roller 601 to rotate, so that the cloth guide roller set 6 continuously guides cloth to pass through the deviation correcting component and enter the conveying component.

The cloth after passing through the deviation correcting assembly enters the conveying assembly, the second motor 15 drives the rotating roller set 14 to rotate so that the conveying belt 16 is driven to be transmitted, the cloth is conveyed along the length direction of the conveying belt 16 along with the conveying belt 16, when passing through the printing device, the paste conveying mechanism guides color paste into the cylinder screen 17, the rotating mechanism drives the cylinder screen 17 to rotate, and meanwhile, the extruding mechanism extrudes the color paste in the cylinder screen 17 and discharges the cylinder screen 17 through the dyeing holes 1701, so that the cloth passing through the lower part of the cylinder screen 17 is printed. And the color paste quantity extruded by the extrusion mechanism can be adjusted to adapt to cloth with different widths and sizes.

Referring to fig. 1 and 2, the frame further includes a first mounting frame 2 mounted on a bracket 13, the deviation rectifying assembly is disposed on one side of a discharge end of the cloth guide roller set 6, the deviation rectifying assembly includes a clamp 8 and a moving member, and the clamp 8 is a clamping jaw cylinder. The moving member comprises a sliding rail 9 arranged on the first mounting frame 2, a screw rod 11 rotatably connected to the sliding rail 9 along the width direction of the cloth, a rotating motor 10 arranged at one end, far away from the cloth, of the sliding rail 9, and a moving sliding block 12 slidably connected to the sliding rail 9 along the width direction of the cloth. The slide rail 9 is mounted on the first mounting frame 2 along the width of the cloth, two moving members are provided, and the two moving members are symmetrically arranged on two sides of the conveyor belt 16 along the conveying direction of the cloth. The sliding rail 9 is obliquely arranged on the first mounting frame 2, and the inclination angle of the sliding rail 9 is consistent with the inclination angle of the cloth.

When cloth passes through the cloth guide roller group 6, through the deviation correcting assembly, the rotating motor 10 drives the screw rod 11 to rotate so that the moving slide block 12 moves along the length direction of the sliding rail 9 and approaches the cloth, the clamps 8 follow the moving slide block 12 to approach the cloth, after the two clamps 8 are close to the cloth, the two sides of the cloth are clamped, and then according to the distance required to be adjusted, the clamps 8 and the cloth are driven by the moving member to move along the width direction of the cloth by a corresponding distance, so that the cloth is kept to be placed forward, the clamps 8 loosen the cloth, the first motor 7 drives the cloth guide roller group 6 to rotate, and the guided cloth enters the conveying assembly through the deviation correcting assembly. After the cloth after rectifying passes through the rectifying component, the cloth can continuously receive the limiting action of the clamp 8, so that the cloth can continuously keep forward placement, and the influence of oblique placement of the cloth on printing is reduced.

Referring to fig. 1 and 3, the frame includes a connection plate 3 fixedly mounted on a bracket 13, and a first mounting seat 4 mounted on a side of the bracket 13 away from a conveyor belt 16. The rotating mechanism comprises a mounting ring 18, a driving plate 19, a driving motor 20, a belt 21 and a belt 21, wherein the mounting ring 18 is connected onto the connecting plate 3 in a rotating mode, the driving plate 19 is arranged below the mounting ring 18, the driving motor 20 is arranged on the first mounting seat 4 and used for driving the driving plate 19 to rotate, the belt 21 is sleeved on the mounting ring 18 and the driving plate 19, the belt 21 is driven by the driving plate 19 to transmit, the mounting ring 18 is in circular ring arrangement, and the driving plate 19 is in circular plate arrangement. A belt 21 is attached to the side of the mounting ring 18 remote from the conveyor belt 16. The mounting ring 18 is sleeved at one end of the circular screen 17, and the circular screen 17 and the mounting ring 18 are fixed through bolts, so that the circular screen 17 is circumferentially fixed relative to the mounting ring 18. The mounting rings 18 are arranged along the length direction of the conveyor belt 16, two symmetrically distributed along the length direction of the conveyor belt 16 are in a group, one circular screen 17 corresponds to one group of the mounting rings 18, and two ends of the circular screen 17 are respectively connected with the two mounting rings 18.

Referring to fig. 4, the rack further includes second mounting seats 5 mounted on both sides of the bracket 13, and a second mounting frame 501 mounted on the second mounting seats 5 in a vertical direction, and the second mounting seats 5 are disposed above the first mounting seats 4. The pulp delivery mechanism comprises a pulp delivery pipe 22 arranged on a second mounting frame 501 along the length direction of the cylinder mould 17, a pulp storage tank 23 arranged on one side of the support 13 far away from the rotating mechanism, a flow guide pipe 24 with one end connected with the pulp storage tank 23 and the other end connected with the pulp delivery pipe 22, and a liquid pump 25 arranged on the pulp storage tank 23 and the flow guide pipe 24. The slurry outlet 2201 through which the color slurry passes is formed in the slurry conveying pipe 22. The pulp delivery pipe 22 is arranged in the cylinder mould 17.

The color paste in the paste storage tank 23 is pumped into the guide pipe 24 through the liquid pump 25, enters the paste delivery pipe 22 along the guide pipe 24, and is discharged into the cylinder 17 through the paste outlet 2201. When the cloth passes through the transportation assembly, the driving plate 19 is driven to rotate by the driving motor 20, so that the belt 21 follows the driving plate 19 to rotate and transmit, and the mounting ring 18 is driven to rotate, so that the cylinder mould 17 follows the mounting ring 18 to rotate. When the rotary screen 17 rotates, the extrusion component extrudes the color paste in the rotary screen 17, so that the color paste is discharged onto the cloth through the dyeing holes 1701 and prints the cloth.

Referring to fig. 5 and 6, the pressing mechanism includes a blade set 26 installed under the slurry pipe 22, and an adjusting assembly for adjusting the length of the blade set 26. The scraper set 26 comprises a first scraper 2601 and a second scraper 2602, the first scraper 2601 and the second scraper 2602 are overlapped and staggered along the length direction of the slurry conveying pipe 22, and the lower end face of the scraper set 26 is abutted against the inner wall of the cylinder mould 17.

Referring to fig. 1 and 6, the adjusting assembly is used for adjusting the length of the overlapping portion between the first scraper 2601 and the second scraper 2602, and the adjusting assembly includes a limiting plate 27 installed below the slurry conveying pipe 22 along the length direction of the slurry conveying pipe 22, a threaded rod 28 rotatably connected to two ends of the limiting plate 27 along the length direction of the slurry conveying pipe 22, and a driving member for driving the threaded rod 28 to rotate. The scraper set 26 is slidably connected to the limiting plate 27 along the length direction of the slurry pipe 22. Threaded rod 28 includes a positive threaded section 2801 and a negative threaded section 2802. The scraper set 26 is in threaded connection with the threaded rod 28, one end, away from the first scraper 2601, of the second scraper 2602 is fixedly connected with a sliding block 26021, the threaded rod 28 penetrates through the sliding block 26021 and the first scraper 2601 along the length direction of the slurry conveying pipe 22, the first scraper 2601 is in threaded sleeve with the front threaded section 2801, and the sliding block 26021 is in threaded sleeve with the back threaded section 2802. The driving member includes a driving motor 31 mounted on the second mounting seat 5, a second bevel gear 30 fixedly connected to an output shaft of the driving motor 31, a first bevel gear 29 fixedly connected to one end of the threaded rod 28 near the belt 21, and the first bevel gear 29 is meshed with the second bevel gear 30. The driving motor 31 is mounted on the second mounting seat 5 near one side of the belt 21, and the output shaft of the driving motor 31 is arranged upwards along the vertical direction.

When the widths of the cloth to be printed are different, the color paste extruded by the extrusion assembly is adjusted by adjusting the length of the scraper group 26. In the use, when the cloth width of stamp is less, drive second bevel gear 30 through driving motor 31 and rotate for first bevel gear 29 follows second bevel gear 30 and rotates, second bevel gear 30 rotates and drives threaded rod 28 and rotate, make first scraper 2601 and slider 26021 follow slip and be close to each other along defeated thick liquid pipe 22 length direction on limiting plate 27, and slider 26021 drives second scraper 2602 and remove, make the part that overlaps between first scraper 2601 and the second scraper 2602 increase, with this shrink scraper group 26 length, make scraper group 26 follow the mill base that extrudes in the cylinder 17 and the required mill base volume of cloth unanimous. The situation that the excessive amount of color paste extruded by the scraper group 26 is caused to be wasted is reduced.

When the printed cloth is large in width, the driving motor 31 drives the threaded rod 28 to rotate, so that the first scraper 2601 and the second scraper 2602 are far away from each other, the length of the scraper group 26 is increased, the color paste extruded by the scraper group 26 is consistent with the color paste required by cloth printing, the cloth can be fully contacted with the color paste, and the printing quality is improved.

When the length of the scraper set 26 is changed according to the cloth, and the cloth passes through the deviation correcting assembly, the clamp 8 clamps and adjusts the position of the cloth, so that the placing position of the cloth is consistent with the position of the scraper.

The implementation principle of the rotary screen printing machine provided by the embodiment of the utility model is as follows: when the printed cloth widths are different, the driving motor 31 drives the second bevel gear 30 to rotate, the first bevel gear 29 and the threaded rod 28 rotate along with the second bevel gear 30, so that the first doctor 2601 and the second doctor 2602 move along the length direction of the slurry conveying pipe 22, the overlapped part between the first doctor 2601 and the second doctor 2602 is increased or reduced, the length of the doctor set 26 is changed, the cloth with different widths is adapted to the cloth, the color paste extruded by the doctor set 26 is consistent with the color paste required by the cloth, waste is reduced, and the printing quality is improved. When the length of the scraper set 26 is changed, two sides of the cloth are clamped by the clamp 8, and the clamp 8 and the cloth are driven to move to corresponding positions by the moving member, so that the cloth placing position is consistent with the position of the scraper set 26, and color paste extruded by the scraper set 26 can be fully utilized.

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

Claims (8)

1. The utility model provides a circular screen printer, includes the frame, is used for transporting the transportation subassembly of cloth, installs in the frame and be used for with cloth direction to the cloth feeding mechanism of transportation subassembly, install in the frame and locate the stamp device of conveyer top, its characterized in that: printing device includes rotary connection in cylinder (17) in the frame, installs in the frame and be used for driving cylinder (17) pivoted rotary mechanism, install in the frame and be used for to the thick liquid mechanism of the thick liquid of input in cylinder (17), install the extrusion mechanism on the thick liquid mechanism, it has a plurality of dyeing holes (1701) that supply mill base to pass through to open on cylinder (17), extrusion mechanism is used for extruding cylinder (17) with mill base in cylinder (17), cylinder (17) cover is located on the thick liquid mechanism, extrusion mechanism includes along cylinder (17) length direction install scraper group (26) in the frame, be used for adjusting scraper group (26) length adjusting component, scraper group (26) include first scraper (2601) and second scraper (2602), first scraper (2601) and second scraper (2602) overlap each other and stagger the setting, adjusting component is used for adjusting the length of overlap between first scraper (2601) and second scraper (2602).

2. A rotary screen printing machine as claimed in claim 1, wherein: the slurry conveying mechanism comprises a slurry conveying pipe (22) arranged on the frame, a slurry storage tank (23) for storing color slurry, a flow guide pipe (24) arranged on the frame and used for guiding the color slurry in the slurry storage tank (23) into the slurry conveying pipe (22), and a liquid pump (25) arranged on the frame and arranged on the flow guide pipe (24), wherein a slurry outlet (2201) for discharging the color slurry into the cylinder (17) is formed in the slurry conveying pipe (22).

3. A rotary screen printing machine as claimed in claim 2, wherein: the utility model discloses a pulp transportation device, including cylinder mould (17) length direction, the adjusting part includes limiting plate (27) that are close to transportation subassembly one side along cylinder mould (17) length direction install, rotate threaded rod (28) of being connected on limiting plate (27) along cylinder mould (17) length direction, be used for driving threaded rod (28) pivoted driving member, scraper group (26) are along cylinder mould length direction sliding connection on limiting plate (27), terminal surface butt in cylinder mould (17) inner wall under scraper group (26), threaded rod (28) include positive screw thread section (2801), reverse screw thread section (2802), positive screw thread section (2801) are located to first scraper (2601) thread bush, reverse screw thread section (2802) are located to second scraper (2602) thread bush.

4. A rotary screen printing machine according to claim 3, wherein: the driving component comprises a first conical gear (29) fixedly connected to one end of the threaded rod (28), a second conical gear (30) meshed with the first conical gear (29), and a driving motor (31) mounted on the frame and used for driving the second conical gear (30) to rotate.

5. A rotary screen printing machine as claimed in claim 1, wherein: the cloth feeding mechanism comprises a cloth guide roller set (6) rotatably connected to the frame, a first motor (7) mounted on the frame and used for driving the cloth guide roller set (6) to rotate, the cloth guide roller set (6) comprises a first cloth guide roller (601) and a second cloth guide roller (602), cloth passes through the upper portion of the first cloth guide roller (601) and then passes through the lower portion of the second cloth guide roller (602), and the cloth feeding mechanism further comprises a deviation rectifying assembly used for rectifying the cloth placing position, and the deviation rectifying assembly is located at the discharge end of the cloth guide roller set (6).

6. A rotary screen printing machine as claimed in claim 5, wherein: the deviation correcting assembly comprises a clamp (8) which is arranged on the frame and used for clamping cloth, and a moving component which is used for driving the clamp (8) to move along the width direction of the cloth to be close to or far away from the cloth.

7. A rotary screen printing machine as claimed in claim 6, wherein: the movable member comprises a sliding rail (9) arranged on the rack along the width direction of the cloth, a screw rod (11) rotationally connected to the sliding rail (9) along the width direction of the cloth, a rotating motor (10) arranged at one end of the sliding rail (9) and used for driving the screw rod (11) to rotate, and a movable sliding block (12) slidingly connected to the sliding rail (9) along the width direction of the cloth, wherein the movable sliding block (12) is sleeved on the screw rod (11), the clamp (8) is arranged on the movable sliding block (12), the two clamps (8) are symmetrically arranged along the transportation direction of the cloth, and one clamp (8) corresponds to one movable member.

8. A rotary screen printing machine as claimed in claim 1, wherein: the rotating mechanism comprises a mounting ring (18) arranged at two ends of the circular screen (17), a belt (21) rotationally sleeved on the mounting ring (18), a driving plate (19) rotationally connected to the belt (21), and a driving motor (20) arranged on the frame and used for driving the driving plate (19) to rotate, wherein the belt (21) is rotationally sleeved on the driving plate (19), and the mounting ring (18) is rotationally connected to the frame.