Dye liquor circulating device of overflow dyeing machine

Abstract

The invention relates to a dye liquor circulating device of an overflow dyeing machine, which comprises a material mixing barrel and a filter box, the material mixing barrel is arranged on one side of the overflow dyeing machine, the filter box is arranged on the material mixing barrel, a filter plate and a cleaning mechanism are arranged in the filter box, the cleaning mechanism comprises a cleaning frame and a cleaning roller, the cleaning frame is slidably mounted in the filter box, and the cleaning roller is arranged on the filter plate. The cleaning roller is rotationally mounted on the cleaning frame, a collecting mechanism is arranged on the cleaning frame, and a driving part is arranged in the filter box. Dye liquor is conveyed back to the overflow dyeing machine through the liquor inlet mechanism to be recycled after being filtered by the filter plate in the filter box, the driving part drives the cleaning frame to move, the cleaning roller on the cleaning frame rotates to clean one side face of the filter plate, and meanwhile the collecting mechanism on the cleaning frame collects sundries brushed away from the cleaning roller. The filter plate is cleaned in the dye liquor filtering process, continuous operation is not affected, and the device has the effect of being convenient and fast to clean.

Description

Technical Field

[0001] The present application relates to the field of overflow dyeing machines, and in particular to a dye liquor circulation device of an overflow dyeing machine. Background Art

[0002] Overflow dyeing machine is a kind of printing and dyeing equipment, which is mainly used in the dyeing process of textiles. It adopts high temperature and high pressure working mode, and evenly penetrates the dye into the textile through the overflow principle to achieve uniform dyeing. This dyeing machine has the characteristics of uniform dyeing, bright color and high production efficiency, and is widely used in the printing and dyeing industry.

[0003] In the related art, reference may be made to the invention patent with publication number CN105568585A, which discloses an overflow dyeing machine, including a dyeing cylinder, a cloth lifting device and a dye liquor circulation system. The dyeing cylinder is an L-shaped structure, the cloth lifting device includes a cloth feeding pipe and a cloth lifting wheel driven by a cloth lifting motor, the cloth lifting wheel and the cloth feeding pipe are both arranged in the dyeing cylinder, and the dye liquor circulation system includes a nozzle, the spraying direction of the nozzle is the same as the cloth feeding direction of the cloth feeding pipe, and the nozzle is connected to the liquid outlet at the bottom of the dyeing cylinder through a circulation pipe, and a filter, a pump, and a heat exchanger are arranged in sequence along the direction from the liquid outlet to the nozzle on the circulation pipe. The overflow dyeing machine shortens the time required for the fabric to complete a cycle by arranging the cloth lifting wheel and the cloth feeding pipe in the dyeing cylinder, thereby improving the dyeing efficiency.

[0004] During the circulation, the dye solution washes away the hair and other impurities on the fabric, which are easily taken out with the fabric, making it inconvenient to handle the fabric later. Usually, a filter is installed on the pipeline for filtering, but after a period of use, the filter must be removed and the filter element must be disassembled for cleaning or replacement, which is inconvenient and requires shutdown, interrupting continuous operation and affecting work efficiency. Summary of the invention

[0005] In order to solve the problem that filter cleaning and replacement operations are inconvenient and affect working efficiency, the present application provides a dye liquor circulation device for an overflow dyeing machine.

[0006] The dye liquor circulation device of the overflow dyeing machine provided in the present application adopts the following technical solution: A dye liquor circulation device for an overflow dyeing machine comprises a mixing barrel and a filter box, wherein the mixing barrel is arranged at one side of the overflow dyeing machine, the filter box is arranged on the mixing barrel and is communicated with the inside of the mixing barrel, a liquid outlet mechanism for sending out the dye liquor is arranged on one side of the overflow dyeing machine, one side of the liquid outlet mechanism is connected to the filter box, a liquid inlet mechanism for feeding the overflow dyeing machine is arranged on one side of the mixing barrel, one side of the liquid inlet mechanism is connected to the overflow dyeing machine, a filter plate for filtering the return dye liquor is arranged in the filter box, a cleaning mechanism is arranged in the filter box, the cleaning mechanism comprises a cleaning frame and a cleaning roller, the cleaning frame is slidably installed in the filter box, the cleaning frame and the filter plate are distributed parallel to each other, the cleaning roller is rotatably installed on the cleaning frame, the cleaning roller is used to clean the filter plate, a collecting mechanism for collecting debris on the cleaning roller is arranged on the cleaning frame, and a driving member for driving the cleaning frame to slide is arranged in the filter box.

[0007] By adopting the above technical scheme, when the liquid discharge mechanism transports the dye liquid to the filter box, the dye liquid is filtered through the filter plate in the filter box and then transported back to the overflow dyeing machine by the liquid inlet mechanism for recycling. The driving member drives the cleaning frame to move, and the cleaning roller on the cleaning frame rotates to clean one side of the filter plate. At the same time, the collecting mechanism on the cleaning frame collects the debris brushed off by the cleaning roller. The filter plate is cleaned during the dye liquid filtering process, which does not affect the continuous operation and the cleaning operation is convenient.

[0008] Optionally, the driving member includes a bidirectional screw and a connecting rod. The bidirectional screw is rotatably installed on the filter box. The bidirectional screw and the filter plate are distributed perpendicular to each other. A slider is slidably installed on one side surface of the filter box. The slider is threadedly connected to the bidirectional screw. The connecting rod is rotatably installed on one side of the slider. The end of the connecting rod facing away from the slider is rotatably connected to the cleaning frame.

[0009] By adopting the above technical solution, the rotation of the bidirectional screw drives the slider to slide, the slider drives the connecting rod to move, one end of the connecting rod drives the cleaning frame to slide, and the cleaning roller on the cleaning frame cleans the filter plate. During filtering, the cleaning roller reciprocates to clean, thereby reducing the probability of debris clogging the filter plate.

[0010] Optionally, a stirring mechanism is provided on the mixing barrel, and the stirring mechanism includes a stirring motor and a stirring shaft. The stirring motor is provided on the mixing barrel, and the stirring shaft is rotatably installed on the mixing barrel and connected to the output shaft of the stirring motor. The stirring shaft is located on the inner side of the mixing barrel and is provided with stirring blades. The filter box is provided with a connecting piece for driving the bidirectional screw to rotate, and the connecting piece is connected to the stirring shaft.

[0011] By adopting the above technical solution, when the stirring motor drives the stirring shaft to rotate, the stirring shaft drives the stirring blades to stir the materials in the mixing barrel, and at the same time drives the bidirectional screw to rotate through the connecting piece, and simultaneously drives the filter plate to be cleaned while stirring, and the driving operation is convenient.

[0012] Optionally, the connecting member includes a first pulley, a second pulley and a belt, the first pulley is coaxially arranged with the stirring shaft, the second pulley is coaxially arranged with the bidirectional screw, and the belt is sleeved on the first pulley and the second pulley.

[0013] By adopting the above technical solution, when the stirring shaft rotates, it drives the first pulley to rotate, the first pulley drives the second pulley to rotate via the belt, and the second pulley drives the bidirectional screw to rotate, thereby ensuring the synchronous rotation between the stirring shaft and the bidirectional screw.

[0014] Optionally, the collecting mechanism includes a collecting box, which is arranged on the cleaning frame and located on both sides of the cleaning roller, a filter plate is arranged at the bottom of the collecting box, a sieve plate is arranged on one side of the collecting box, bristles are arranged on the circumferential side wall of the cleaning roller, sieve holes are opened on the sieve plate at positions corresponding to the bristles, and a shift block is arranged on the sieve hole on the sieve plate.

[0015] By adopting the above technical solution, when the cleaning roller rotates, the bristles on the cleaning roller rotate to the sieve holes of the collecting box, and the shifting block at the sieve holes shifts the bristles, and the debris on the bristles is shifted off and retained in the collecting box. The collecting boxes on both sides clean the debris on the cleaning roller in turn, thereby reducing the debris attached to the cleaning roller and reducing the number of times the cleaning roller is cleaned separately.

[0016] Optionally, the sieve plate has an arc-shaped cross-section, the sieve holes are distributed along the arc of the sieve plate, the shift blocks are arranged on opposite sides of the sieve holes in the width direction of the sieve plate, and a plurality of the shift blocks are evenly arranged along the arc length direction of the sieve holes.

[0017] By adopting the above technical solution, when the bristles pass through the sieve holes, the shifting blocks on both sides shift the two sides of the bristles to push off the debris on the bristles. When the cleaning roller rotates, the bristles are moved along the sieve holes through each group of shifting blocks in turn, which has a better cleaning effect on the cleaning roller.

[0018] Optionally, a positioning block is provided on the collection box, and the positioning block is inserted on the cleaning rack. A limiting block is slidably installed on the cleaning rack, and the positioning block is provided with a positioning hole for inserting one side of the limiting block. A limiting spring is provided on the cleaning rack on one side of the limiting block.

[0019] By adopting the above technical solution, the positioning block of the collection box is inserted on the cleaning rack, and the limiting spring pushes the limiting block to be inserted in the positioning hole of the positioning block. At this time, the position of the collection box is fixed. When the collection box needs to be removed for cleaning, the limiting block is pulled out of the positioning hole, and the collection box is removed at this time. The disassembly and assembly operation of the collection box is convenient.

[0020] Optionally, a cover is rotatably mounted on the top of the filter box, one side of the cover is connected to the filter box via a snap fastener, and the filter plate is detachably connected to the filter box.

[0021] By adopting the above technical solution, the snap fastener is opened, and the cover is rotated to open, and the filter plate is removed at this time. After the filter plate has been used for a period of time, the filter plate is replaced to ensure the filtering effect.

[0022] Optionally, one side of the filter plate is clamped on the filter box, a clamping block is slidably installed on the filter box, the filter box is provided with a clamping spring on one side of the clamping block, and one side of the clamping block is clamped on one side of the filter plate.

[0023] By adopting the above technical solution, the clamping spring pushes the clamping block to press against one side of the filter plate. At this time, the position of the filter plate is fixed. When the filter plate needs to be removed, the clamping block is pushed and pulled apart from the filter plate, and the filter plate is removed and replaced. The filter plate can be easily disassembled and assembled.

[0024] Optionally, the snap-fit ​​component includes a snap plate and a snap spring, a sliding rod is slidably installed on the filter box, the snap spring is sleeved on the sliding rod, the snap plate is arranged at one end of the sliding rod, and one side of the snap plate is snapped on the cover.

[0025] By adopting the above technical solution, the slide bar is pulled to drive the card plate to be clamped on one side of the cover. At this time, the buckle spring tightens the card plate and the position of the cover is fixed. When the cover needs to be opened, the slide bar is pulled to drive the card plate to separate from the cover. At this time, the cover rotates to open, and the opening and closing operation of the cover is convenient.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. While the dye liquor is circulated, the driving part drives the cleaning roller on the cleaning frame to rotate and clean one side of the filter plate. At the same time, the collecting mechanism collects the debris brushed off by the cleaning roller. The filter plate is cleaned during the dye liquor filtration process, which does not affect the continuous operation and the cleaning operation is convenient; 2. Open the buckle, rotate and open the cover, push and pull the tight block to separate from the filter plate, then remove the filter plate for easy replacement; 3. Pull the limit block out of the positioning hole. At this time, remove the collection box to facilitate cleaning of the collection box. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structural schematic diagram of this application.

[0028] Figure 2 It is a cross-sectional view along the stirring axis direction of the present application.

[0029] Figure 3 It is a schematic diagram of the three-dimensional structure of the inner side of the filter box of the present application.

[0030] Figure 4 It is a schematic diagram of the enlarged three-dimensional structure of part A of the present application.

[0031] Figure 5 It is a schematic diagram of the enlarged three-dimensional structure of part B of this application.

[0032] Figure 6 It is a schematic diagram of the cross-sectional structure of the collecting box, the cleaning roller and the cleaning frame of the present application along the width direction of the cleaning frame.

[0033] Figure 7 It is a schematic diagram of the three-dimensional structure of one side of the collection box of the present application.

[0034] Those skilled in the art will appreciate that elements in the drawings are illustrated for simplicity and clarity and are not necessarily drawn to scale. For example, the size and position of some elements in the drawings may be exaggerated relative to other elements to help improve understanding of embodiments of the present invention.

[0035] Reference numerals: 1, overflow dyeing machine; 11, water pipe; 12, liquid outlet pump; 13, liquid inlet pump; 2, mixing barrel; 21, feed pipe; 22, water inlet pipe; 23, stirring motor; 24, stirring shaft; 25, first gear; 26, second gear; 27, stirring blade; 3, filter box; 31, filter plate; 32, connector; 321, first pulley; 322, second pulley; 323, belt; 33, cover; 34, buckle; 341. card plate; 342. snap spring; 343. slide bar; 35. clamping block; 36. clamping spring; 37. slide groove; 4. cleaning rack; 41. limit block; 42. limit spring; 43. rotating wheel; 5. cleaning roller; 6. collecting box; 61. filter hole; 62. sieve plate; 621. sieve hole; 622. shift block; 63. positioning block; 631. positioning hole; 7. driving member; 71. bidirectional screw rod; 72. connecting rod; 73. slider. DETAILED DESCRIPTION

[0036] The present application is further described in detail below in conjunction with the accompanying drawings.

[0037] The present application embodiment discloses a dye liquor circulation device for an overflow dyeing machine, referring to Figure 1 and Figure 2, including a mixing barrel 2 and a filter box 3. The mixing barrel 2 is arranged at one side of the overflow dyeing machine 1. The filter box 3 is arranged on the mixing barrel 2 and is connected to the inside of the mixing barrel 2. A liquid discharge mechanism is arranged on one side of the overflow dyeing machine 1. The liquid discharge mechanism includes a water pipe 11 and a liquid discharge pump 12. The liquid discharge pump 12 is arranged on one side of the overflow dyeing machine 1. The overflow dyeing machine 1 is connected to the liquid discharge pump 12 through the water pipe 11. The liquid discharge pump 12 is connected to one side of the filter box 3 through the water pipe 11. A liquid inlet mechanism is arranged on one side of the mixing barrel 2. The liquid inlet pump 13 includes a liquid inlet pump 13 and a water pipe 11. The liquid inlet pump 13 is arranged on one side of the mixing barrel 2. The liquid inlet pump 13 is connected to the mixing barrel 2 through the water pipe 11. The liquid inlet pump 13 is connected to the overflow dyeing machine 1 through the water pipe 11. A filter plate 31 is provided in the filter box 3, and the filter plate 31 is arranged horizontally. The dye liquid in the overflow dyeing machine 1 is transported to the filter box 3 through the outlet pump 12. After the dye liquid is filtered by the filter plate 31, it is transported back to the overflow dyeing machine 1 for recycling by the inlet pump 13. A feed pipe 21 and a water inlet pipe 22 are provided on the mixing barrel 2.

[0038] Reference Figure 2 and Figure 3 , a cleaning mechanism is arranged in the filter box 3, the cleaning mechanism comprises a cleaning frame 4 and a cleaning roller 5, a chute 37 is arranged horizontally on the inner side wall in the width direction of the filter box 3, the cleaning frame 4 is distributed along the width direction of the filter box 3 and is located on the upper side of the filter plate 31, rotating wheels 43 are arranged on both sides of the cleaning frame 4, the rotating wheels 43 are rotatably mounted at the chute 37, the cleaning roller 5 is rotatably mounted on the cleaning frame 4, the cleaning roller 5 is distributed along the length direction of the cleaning frame 4, bristles are arranged on the circumferential side wall of the cleaning roller 5, one end of the bristles abuts against the upward side of the filter plate 31, a collecting mechanism is arranged on the cleaning frame 4, and a driving member 7 is arranged in the filter box 3. The driving member 7 drives the cleaning frame 4 to move, the cleaning roller 5 rotates to clean one side of the filter plate 31, and at the same time, the collecting mechanism on the cleaning frame 4 collects the debris brushed off by the cleaning roller 5, and the filter plate 31 is cleaned during the dye liquor filtration process, which does not affect the continuous operation and is convenient for cleaning operation.

[0039] Reference Figure 2 and Figure 4 A stirring mechanism is provided on the mixing barrel 2, and the stirring mechanism includes a stirring motor 23 and a stirring shaft 24. The stirring motor 23 is provided on the mixing barrel 2, and the stirring shaft 24 is rotatably installed on the mixing barrel 2 along the vertical direction. A first gear 25 is coaxially provided on the stirring shaft 24, and a second gear 26 is coaxially provided at the output shaft of the stirring motor 23. One side of the first gear 25 is meshed with one side of the second gear 26. The stirring shaft 24 is located on the inner side of the mixing barrel 2 and is provided with a stirring blade 27. When the stirring motor 23 drives the stirring shaft 24 to rotate, the stirring shaft 24 drives the stirring blade 27 to stir the material in the mixing barrel 2.

[0040] Reference Figure 3 and Figure 4 The driving member 7 includes a bidirectional screw rod 71 and a connecting rod 72. The bidirectional screw rod 71 is vertically rotatably installed on a side wall of the filter box 3. A slider 73 is vertically slidably installed on one side surface of the filter box 3 located at the bidirectional screw rod 71. The slider 73 is threadedly connected to the bidirectional screw rod 71. The connecting rod 72 is rotatably installed on one side of the slider 73. The end of the connecting rod 72 facing away from the slider 73 is rotatably connected to the cleaning frame 4.

[0041] Reference Figure 3 and Figure 4 The filter box 3 is provided with a connecting member 32, which includes a first pulley 321, a second pulley 322 and a belt 323. The first pulley 321 is coaxially arranged with the stirring shaft 24, the second pulley 322 is coaxially arranged with the bidirectional screw rod 71, and the belt 323 is sleeved on the first pulley 321 and the second pulley 322. When the stirring shaft 24 rotates, the first pulley 321 is driven to rotate, the first pulley 321 drives the second pulley 322 to rotate via the belt 323, the second pulley 322 drives the bidirectional screw rod 71 to rotate, the rotation of the bidirectional screw rod 71 drives the slider 73 to slide, the slider 73 drives the connecting rod 72 to move, one end of the connecting rod 72 drives the cleaning frame 4 to slide, the cleaning roller 5 on the cleaning frame 4 cleans the filter plate 31, and the cleaning roller 5 reciprocates to clean during filtering, and synchronously drives the cleaning of the filter plate 31 while stirring.

[0042] Reference Figure 3 and Figure 5 A cover 33 is rotatably mounted on the top of the filter box 3 and on the side away from the stirring shaft 24. A snap member 34 is arranged on one side of the cover 33. The snap member 34 includes a snap plate 341 and a snap spring 342. A slide bar 343 is vertically slidably mounted on one side wall of the filter box 3. The snap spring 342 is sleeved on the slide bar 343. The snap plate 341 is arranged at the upward end of the slide bar 343. One side of the snap plate 341 is snapped on the cover 33. Pulling the slide bar 343 drives the snap plate 341 to be snapped on one side of the cover 33. At this time, the snap spring 342 tightens the snap plate 341, and the position of the cover 33 is fixed. When the cover 33 needs to be opened, the slide bar 343 is pulled to drive the snap plate 341 to separate from the cover 33, and the cover 33 is rotated to open. One side of the filter plate 31 is clamped at the filter box 3, and a pressing block 35 is slidably installed on the filter box 3. A pressing spring 36 is provided on one side of the pressing block 35 of the filter box 3. One side of the pressing block 35 is clamped at one side of the filter plate 31, and the pressing spring 36 pushes the pressing block 35 to press against one side of the filter plate 31. At this time, the position of the filter plate 31 is fixed. After the filter plate 31 has been used for a period of time, it is necessary to replace the filter plate 31, open the fastener 34, rotate and open the cover 33, push and pull the pressing block 35 to separate from the filter plate 31, and then remove the filter plate 31, and take the filter plate 31 off for replacement.

[0043] Reference Figure 6and Figure 7 The collecting mechanism includes a collecting box 6, which is arranged on the cleaning frame 4 and located at both sides of the cleaning roller 5. The collecting boxes 6 are distributed along the length direction of the cleaning frame 4. A collecting groove is arranged inside the collecting box 6, and a plurality of filter holes 61 are arranged at the lower side of the collecting box 6. A sieve plate 62 is arranged on the side of the collecting box 6 facing the cleaning roller 5. A sieve hole 621 is opened on the sieve plate 62 at a position corresponding to the bristles, and a shifting block 622 is arranged at the sieve hole 621. When the cleaning roller 5 rotates, the bristles on the cleaning roller 5 rotate to the sieve hole 621 of the collecting box 6, and the shifting block 622 shifts the bristles, and the debris on the bristles is shifted off and retained in the collecting box 6. The dye liquor falls back into the filter box 3 through the filter hole 61. The collecting boxes 6 on both sides sequentially clean the debris on the cleaning roller 5, thereby reducing the debris attached to the cleaning roller 5 and reducing the number of times the cleaning roller 5 is cleaned separately.

[0044] Reference Figure 7 The cross section of the sieve plate 62 along the width direction is arranged in an arc shape, the sieve holes 621 are distributed in an arc shape along the sieve plate 62, the shifting blocks 622 are arranged at opposite sides of the sieve holes 621 of the sieve plate 62, and a plurality of shifting blocks 622 are evenly arranged along the arc-shaped sieve holes 621. When the bristles pass through the sieve holes 621, the shifting blocks 622 on both sides shift the two sides of the bristles to shift the debris on the bristles, and when the cleaning roller 5 rotates, the bristles are shifted along the sieve holes 621 through each group of shifting blocks 622 in turn, and the cleaning effect of the cleaning roller 5 is better.

[0045] Reference Figure 6 and Figure 7 , a positioning block 63 is provided at the top of the collection box 6, the positioning block 63 is inserted on the cleaning rack 4, a limiting block 41 is slidably installed on the cleaning rack 4, a positioning hole 631 is provided on the positioning block 63, and a limiting spring 42 is provided on one side of the limiting block 41 on the cleaning rack 4. The positioning block 63 of the collection box 6 is inserted on the cleaning rack 4, and the limiting spring 42 pushes the limiting block 41 to be inserted in the positioning hole 631 of the positioning block 63. At this time, the position of the collection box 6 is fixed. When the collection box 6 needs to be removed for cleaning, the limiting block 41 is pulled out of the positioning hole 631, and the collection box 6 is removed at this time. The disassembly and assembly operation of the collection box 6 is convenient.

[0046] The implementation principle of the dye liquid circulation device of an overflow dyeing machine in the embodiment of the present application is as follows: the dye liquid in the overflow dyeing machine 1 is transported to the filter box 3 through the outlet pump 12, and after the dye liquid is filtered through the filter plate 31, it is transported back to the overflow dyeing machine 1 by the inlet pump 13 for recycling.

[0047] The stirring motor 23 drives the stirring shaft 24 to rotate to stir the materials in the mixing barrel 2, and at the same time drives the bidirectional screw 71 to rotate, and drives the cleaning frame 4 to slide back and forth through the connecting rod 72. The cleaning roller 5 on one side of the cleaning frame 4 reciprocates to clean the filter plate. When the cleaning roller 5 rotates, the bristles on the cleaning roller 5 rotate to the sieve holes 621 of the collecting box 6, and the shifting block 622 shifts the bristles to shift the debris on the bristles off and leave them in the collecting box 6.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A dye liquor circulation device for an overflow dyeing machine, comprising a mixing barrel (2) and a filter box (3), wherein the mixing barrel (2) is arranged at one side of the overflow dyeing machine (1), the filter box (3) is arranged on the mixing barrel (2) and is communicated with the interior of the mixing barrel (2), the overflow dyeing machine (1) is provided with a liquid discharge mechanism for delivering dye liquor, one side of the liquid discharge mechanism is connected to the filter box (3), the mixing barrel (2) is provided with a liquid inlet mechanism for feeding the overflow dyeing machine (1), one side of the liquid inlet mechanism is connected to the overflow dyeing machine (1), and the characteristic is that: The filter box (3) is provided with a filter plate (31) for filtering the return dye liquor. The filter box (3) is provided with a cleaning mechanism, the cleaning mechanism comprising a cleaning frame (4) and a cleaning roller (5). The cleaning frame (4) is slidably mounted in the filter box (3). The cleaning frame (4) and the filter plate (31) are arranged parallel to each other. The cleaning roller (5) is rotatably mounted on the cleaning frame (4). The cleaning roller (5) is used to clean the filter plate (31). The cleaning frame (4) is provided with a collecting mechanism for collecting debris on the cleaning roller (5). The filter box (3) is provided with a driving member (7) for driving the cleaning frame (4) to slide.

2. The dye liquor circulation device of an overflow dyeing machine according to claim 1, characterized in that: The driving member (7) comprises a bidirectional screw rod (71) and a connecting rod (72); the bidirectional screw rod (71) is rotatably mounted on the filter box (3); the bidirectional screw rod (71) and the filter plate (31) are arranged perpendicular to each other; a slider (73) is slidably mounted on one side surface of the filter box (3); the slider (73) is threadedly connected to the bidirectional screw rod (71); the connecting rod (72) is rotatably mounted on one side of the slider (73); and an end of the connecting rod (72) facing away from the slider (73) is rotatably connected to the cleaning frame (4).

3. The dye liquor circulation device of the overflow dyeing machine according to claim 2, characterized in that: The mixing barrel (2) is provided with a stirring mechanism, the stirring mechanism comprising a stirring motor (23) and a stirring shaft (24), the stirring motor (23) being provided on the mixing barrel (2), the stirring shaft (24) being rotatably mounted on the mixing barrel (2) and being connected to an output shaft of the stirring motor (23), the stirring shaft (24) being provided with stirring blades (27) on the inner side of the mixing barrel (2), and the filter box (3) being provided with a connecting piece (32) for driving the bidirectional screw rod (71) to rotate, the connecting piece (32) being connected to the stirring shaft (24).

4. The dye liquor circulation device of the overflow dyeing machine according to claim 3, characterized in that: The connecting member (32) comprises a first pulley (321), a second pulley (322) and a belt (323); the first pulley (321) is coaxially arranged with the stirring shaft (24); the second pulley (322) is coaxially arranged with the bidirectional screw (71); and the belt (323) is sleeved on the first pulley (321) and the second pulley (322).

5. The dye liquor circulation device of an overflow dyeing machine according to claim 1, characterized in that: The collecting mechanism comprises a collecting box (6), the collecting box (6) being arranged on the cleaning frame (4) and located on both sides of the cleaning roller (5), a filter plate being arranged at the bottom of the collecting box (6), a screen plate (62) being arranged at one side of the collecting box (6), bristles being arranged at the circumferential side wall of the cleaning roller (5), screen holes (621) being arranged on the screen plate (62) at positions corresponding to the bristles, and a shifting block (622) being arranged at the screen hole (621) of the screen plate (62).

6. The dye liquor circulation device of the overflow dyeing machine according to claim 5, characterized in that: The sieve plate (62) is arranged in an arc-shaped cross section, the sieve holes (621) are distributed along the arc of the sieve plate (62), the shifting blocks (622) are arranged at opposite sides of the sieve holes (621) of the sieve plate (62) in a width direction, and a plurality of the shifting blocks (622) are evenly arranged along the arc-shaped length direction of the sieve holes (621).

7. The dye liquor circulation device of the overflow dyeing machine according to claim 5, characterized in that: The collecting box (6) is provided with a positioning block (63), the positioning block (63) is inserted into the cleaning frame (4), a limiting block (41) is slidably mounted on the cleaning frame (4), the positioning block (63) is provided with a positioning hole (631) for inserting one side of the limiting block (41), and a limiting spring (42) is provided on the cleaning frame (4) at one side of the limiting block (41).

8. The dye liquor circulation device of an overflow dyeing machine according to claim 1, characterized in that: A cover (33) is rotatably mounted on the top of the filter box (3); one side of the cover (33) is connected to the filter box (3) via a snap fastener (34); and the filter plate (31) is detachably connected to the filter box (3).

9. The dye liquor circulation device of an overflow dyeing machine according to claim 1, characterized in that: One side of the filter plate (31) is clamped on the filter box (3); a clamping block (35) is slidably mounted on the filter box (3); a clamping spring (36) is provided on one side of the clamping block (35) of the filter box (3); and one side of the clamping block (35) is clamped on one side of the filter plate (31).

10. The dye liquor circulation device of an overflow dyeing machine according to claim 8, characterized in that: The fastener (34) comprises a fastening plate (341) and a fastening spring (342); a sliding rod (343) is slidably mounted on the filter box (3); the fastening spring (342) is sleeved on the sliding rod (343); the fastening plate (341) is arranged at one end of the sliding rod (343); and one side of the fastening plate (341) is fastened to the cover (33).

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