Washing device of pre-shrinking machine for polyester fabric

Abstract

The washing device comprises a box body, a filtering box is arranged on one side of the box body, a filtering pipe and a filtering mechanism are arranged on the filtering box, a water outlet mechanism and a water inlet mechanism are arranged on the outer side of the box body, the filtering mechanism comprises a rotating plate and a filtering plate, and the rotating plate is rotationally installed at an opening of the filtering box; a through hole is formed in the rotating plate, the filtering plates are installed at the through hole, the number of the filtering plates is two, a clamping piece is arranged on the rotating plate, and a cleaning piece and a rotating piece are arranged at the filtering pipe; water discharged by the water outlet mechanism is filtered at the filter pipe of the filter box, filtered washing liquid is conveyed back to the box body through the water inlet mechanism, the rotating part drives the cleaning part to clean the filter plate, the replacement frequency of the filter plate is reduced through cleaning, when replacement is needed, the rotating plate is rotated to replace the filter plate, meanwhile, the used filter plate is detached and replaced, and the replacement efficiency is improved. The device has the effect of being convenient to replace and operate.

Description

Technical Field

[0001] The present application relates to the field of preshrinking machines, and in particular to a water washing device of a preshrinking machine for polyester fabrics. Background Art

[0002] Polyester fabrics usually need to be pre-shrunk to ensure their dimensional stability during the production and manufacturing process. A pre-shrinking machine is usually used to pre-shrunk the fabric.

[0003] The pre-shrinkage washing machine usually includes a cloth feeding device, a cloth dropping device and a padder. From the cloth feeding device to the cloth dropping device, there are steam pre-shrinking boxes, high-temperature steam setting boxes, water washing boxes, high-efficiency padders and drying boxes in sequence. The cloth is pre-shrunk by steam treatment, and the steam can penetrate into the fabric fibers, making them loose and shrink in advance. Under the action of high-temperature steam, the fiber structure of the cloth is further fixed and stabilized, and then washed with water to remove impurities, oil stains and unfixed dyes, and finally dried in the drying box.

[0004] During water washing, impurities such as lint on the fabric remain in the washing box and will be taken out of the washing box along with the fabric. Usually, a filter plate is arranged in the washing box to filter the lint and other impurities in the washing liquid. However, after being used for a period of time, the filter plate is prone to clogging and needs to be replaced. The frequent replacement of the filter plate in the washing box is cumbersome. Summary of the invention

[0005] In order to solve the problems of frequent replacement of filter plates in a washing box and inconvenient assembly and disassembly operations, the present application provides a washing device of a preshrinking machine for polyester fabrics.

[0006] The present application provides a water washing device for a polyester fabric preshrinking machine using the following technical solutions: A water washing device for a preshrinking machine for polyester fabrics comprises a box body, wherein the box body is provided with a cloth inlet and a cloth outlet on two opposite side surfaces, respectively, and the cloth inlet and cloth outlet are arranged in corresponding positions, and a plurality of cloth guide rollers which are parallel to each other and staggered up and down are arranged in the box body, a filter box is arranged on one side of the box body, a filter tube which is connected to the inside of the filter box is arranged on the filter box, a filter mechanism is arranged at the filter tube of the filter box, a water outlet mechanism which is connected to the inside of the box is arranged on the outside of the box body, one side of the water outlet mechanism is connected to the filter tube of the filter box, and one side of the filter box is provided with a filter which is connected to the inside of the filter box A water inlet mechanism, one side of the water inlet mechanism is connected to the box body, the filter mechanism includes a rotating plate and a filter plate, the rotating plate is rotatably installed at the opening of the filter box, the rotating plate closes the opening of one end of the filter tube, the rotating plate is provided with a through hole penetrating the plate surface, the filter plate is installed at the through hole, two filter plates are provided and are symmetrically distributed about the diameter of the rotating plate, a clamping piece for clamping the filter plate is provided on the rotating plate, a cleaning piece is rotatably installed at the filter tube, the cleaning piece is used to clean one side of the filter plate, and a rotating piece for driving the cleaning piece to rotate is provided on the filter tube.

[0007] By adopting the above technical scheme, the cloth is transported and washed on the cloth guide roller, and the water outlet mechanism transports the washing liquid in the box to the filter tube of the filter box, filtered by the filter plate, and the filtered washing liquid is transported back to the box through the water inlet mechanism. The rotating part drives the cleaning part to clean the filter plate, and the cleaning reduces the number of times the filter plate needs to be replaced. When replacement is needed, the rotating plate is rotated to replace the filter plate, and the used filter plate is disassembled and replaced at the same time, and the replacement operation is convenient.

[0008] Optionally, the cleaning member includes a cleaning rod and a rotating ring, the rotating ring is rotatably installed on one side of the filter tube, the rotating member drives the rotating ring to rotate, the cleaning rod is arranged on one side of the rotating ring, the rotating axis of the rotating ring is perpendicular to the plane where the filter plate is located, and the cleaning rod is provided with bristles on one side facing the filter plate.

[0009] By adopting the above technical solution, when the rotating ring rotates, it drives the cleaning rod to rotate, and the bristles on the cleaning rod scrape one side of the filter plate to scrape up impurities such as hair scraps, thereby reducing the probability of clogging the filter plate.

[0010] Optionally, the rotating member includes a rotating disk and a connecting rod, the rotating disk is rotatably mounted on the filter tube and is in the same plane as the rotating ring, one end of the connecting rod is rotatably connected to a side surface of the rotating disk, and the end of the connecting rod facing away from the rotating disk is rotatably connected to a side surface of the rotating ring, and a driving member for driving the rotating disk to rotate is provided on the filter box.

[0011] By adopting the above technical solution, the rotating disk drives the connecting rod to rotate, the connecting rod drives the rotating ring to rotate, and then drives the cleaning rod to reciprocate and deflect, so as to clean the filter plate, and the driving cleaning operation is convenient.

[0012] Optionally, the driving member includes a motor and a first gear, the motor is arranged on the filter box, a second gear is fixedly connected to a side of the rotating disk facing away from the connecting rod, the second gear is coaxially distributed with the axis of the rotating disk, and a first gear is arranged on the output shaft of the motor, and the first gear is meshed with the second gear.

[0013] By adopting the above technical solution, the motor drives the first gear to rotate, the first gear drives the meshing second gear to rotate, the second gear drives the rotating disk to rotate, and the driving operation of the rotating disk to rotate is convenient.

[0014] Optionally, a pull rod is provided on one side of the rotating ring, the pull rod and the filter plate are distributed perpendicular to each other, a slide groove is provided on the pull rod, one end of the cleaning rod is slidably installed in the slide groove of the pull rod, and a spring is provided on the pull rod at the slide groove, and one end of the spring is connected to a side surface of the cleaning rod.

[0015] By adopting the above technical solution, when the cleaning rod rotates, the spring pushes the cleaning rod to drive the bristles on one side of the cleaning rod to abut against the filter plate, which has a better cleaning effect on the filter plate.

[0016] Optionally, the clamping member includes a clamping plate and a sliding rod, the rotating plate is provided with an embedding groove, a clamping block is provided on one side of the filter plate, the clamping block is clamped in the embedding groove, the clamping plate is slidably installed on one side of the embedding groove of the rotating plate, the clamping plate is fitted with one side of the clamping block, the sliding rod is slidably installed on the rotating plate and connected to one side of the clamping plate, and a spring is sleeved on the sliding rod.

[0017] By adopting the above technical solution, the card block of the filter plate is clamped in the embedding groove of the rotating plate during installation. At this time, the spring pushes the sliding rod to slide, and the sliding rod drives the card plate to slide until one side of the card block is tightly pressed against. At this time, the position of the filter plate is fixed. When the filter plate needs to be removed, the sliding pushes the card plate to drive the sliding rod to slide. At this time, the spring is compressed. When the card block is separated from the card plate, the filter plate is removed, and the disassembly and assembly of the filter plate is convenient.

[0018] Optionally, filter grooves are provided on both sides of the filter plate, and a liquid discharge hole is provided at the bottom of the filter grooves.

[0019] By adopting the above technical solution, the cleaning rod brushes the impurities to the filter tank for collection, and the excess washing liquid leaks out through the lower liquid hole. When the filter plate is removed, the impurities are collected and taken away, which is convenient for cleaning.

[0020] Optionally, a rotating shaft is provided on the inner side of the filter box, one end of the rotating shaft is connected to the rotating plate, a cleaning rack is provided on the rotating shaft, the cleaning rack includes a vertical bracket and a horizontal bracket, the horizontal bracket is provided on the rotating shaft, the vertical bracket is provided at one end of the horizontal bracket and is distributed perpendicular to the horizontal bracket, and one side of the vertical bracket is in contact with the inner wall of the filter box.

[0021] By adopting the above technical solution, when the rotating plate rotates, it drives the rotating shaft to rotate, and the rotating shaft drives the horizontal bracket and the vertical bracket to rotate. The vertical bracket scrapes and cleans the inner wall of the filter box, reducing the probability of sediment adhering to the inner wall of the filter box.

[0022] Optionally, the water outlet mechanism includes a first circulation pump and a water outlet pipe, the first circulation pump is arranged on one side of the box body and connected to the box body through the water outlet pipe, the first circulation pump is connected to the filter tube through a water pipe, and the water inlet mechanism includes a second circulation pump and a water inlet pipe, the second circulation pump is arranged on one side of the box body and connected to the box body through the water inlet pipe, and the second circulation pump is connected to the filter box through a water pipe.

[0023] By adopting the above technical scheme, the washing liquid in the box is transported through the outlet pipe and transported to the filter tube by the first circulation pump for filtration. The filtered washing liquid is transported back to the box through the inlet pipe by the second circulation pump for reuse. The washing liquid is recycled to reduce water resource consumption.

[0024] Optionally, a spray pipe is provided in the box, one end of the spray pipe is connected to one end of the water inlet pipe, a plurality of nozzles are provided on the spray pipe, two spray pipes are provided and are distributed parallel to each other, and the spray pipes are provided on the upper and lower sides of the cloth and are relatively distributed.

[0025] By adopting the above technical solution, the filtered washing liquid is transported to the spray pipe through the water inlet pipe, and sprayed from the nozzles of the upper and lower spray pipes to the upper and lower sides of the cloth to rinse the cloth, thereby reducing the probability of impurities on the cloth.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The cloth is transported and washed on the cloth guide roller. The water outlet mechanism transports the washing liquid in the box to the filter tube of the filter box, and is filtered through the filter plate. The filtered washing liquid is transported back to the box through the water outlet mechanism. The rotating part drives the cleaning part to clean the filter plate. Cleaning reduces the number of times the filter plate needs to be replaced. When replacement is required, the rotating plate is rotated to replace the filter plate, and the used filter plate is disassembled and replaced at the same time. The replacement operation is convenient; 2. The filter plate block is fixed in the groove of the rotating plate. The spring pushes the slide bar to slide and drives the card plate to slide to fit one side of the block tightly. The position of the filter plate is fixed. When the filter plate is removed, the card plate drives the slide bar to slide, the spring is compressed, and the block and the card plate are separated. The filter plate can be easily removed and assembled. 3. The rotation of the rotating plate drives the rotating shaft to rotate, and the rotating shaft drives the horizontal bracket and the vertical bracket to rotate. The vertical bracket scrapes and cleans the inner wall of the filter box to reduce the probability of sediment adhering to the inner wall of the filter 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 of the box body of the present application along the cloth transport direction.

[0029] Figure 3 It is a schematic diagram of the cross-sectional structure of the filtering mechanism of the present application.

[0030] Figure 4 It is a cross-sectional view of the filter box and the filter tube of the present application along the axial direction of the filter box.

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

[0032] Figure 6 It is a schematic diagram of the cross-sectional structure of part A of the present application.

[0033] Figure 7 It is a three-dimensional structural schematic diagram of the driving component 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, box body; 11, cloth guide roller; 12, spray pipe; 2, filter box; 21, rotating shaft; 22, cleaning frame; 221, vertical bracket; 222, horizontal bracket; 3, filter tube; 31, rotating motor; 4, filter mechanism; 41, rotating plate; 411, rotating rod; 412, through hole; 413, embedded groove; 42, filter plate; 421, block; 422, filter tank; 423, lower liquid hole; 43, clamping member; 4 31. Card plate; 432. Slide rod; 5. Water outlet mechanism; 51. First circulation pump; 52. Water outlet pipe; 6. Water inlet mechanism; 61. Second circulation pump; 62. Water inlet pipe; 7. Cleaning member; 71. Cleaning rod; 72. Rotating ring; 721. Pull rod; 722. Slide groove; 723. Spring; 8. Rotating member; 81. Rotating disk; 82. Connecting rod; 9. Driving member; 91. Motor; 92. First gear; 93. Second gear. 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 water washing device for a preshrinking machine for polyester fabrics, referring to Figure 1 and Figure 2 , including a box body 1, which has a cloth inlet and a cloth outlet on two opposite side surfaces in the length direction, and the cloth inlet and the cloth outlet are correspondingly distributed. Heating pipes are arranged on the two inner side walls in the length direction of the box body 1. The box body 1 is provided with a plurality of cloth guide rollers 11 which are parallel to each other and staggered up and down, and the cloth is wrapped around the cloth guide rollers 11 for immersion.

[0038] Reference Figure 1 and Figure 2 A filter box 2 is arranged on one side of the box 1. A filter pipe 3 communicating with the inside of the filter box 2 is arranged vertically on the top of the filter box 2. A filter mechanism 4 is arranged at the filter pipe 3 of the filter box 2. A water outlet mechanism 5 is arranged on the outside of the box 1. The water outlet mechanism 5 includes a first circulation pump 51 and a water outlet pipe 52. The first circulation pump 51 is arranged on one side of the box 1 and connected to the box 1 through the water outlet pipe 52. The first circulation pump 51 is connected to the filter pipe 3 through a water pipe. A water inlet mechanism 6 is arranged on one side of the filter box 2. The water inlet mechanism 6 includes a second circulation pump 61 and a water inlet pipe 62. The second circulation pump 61 is arranged on one side of the box 1 and connected to the box 1 through the water inlet pipe 62. The second circulation pump 61 is connected to the filter box 2 through a water pipe. The washing liquid in the box 1 is transported through the water outlet pipe 52, and is transported to the filter pipe 3 by the first circulation pump 51 for filtration. The filtered washing liquid is transported back to the box 1 through the water inlet pipe 62 through the second circulation pump 61 for reuse.

[0039] Reference Figure 1 and Figure 2A spray pipe 12 is arranged in the box 1 and is parallel to the cloth guide roller 11. One end of the spray pipe 12 is connected to one end of the water inlet pipe 62. A plurality of spray heads are arranged on the spray pipe 12. Two spray pipes 12 are arranged and are parallel to each other. The spray pipes 12 are arranged at the upper and lower sides of the cloth and are relatively distributed. The filtered washing liquid is transported to the spray pipe 12 through the water inlet pipe 62, and is sprayed by the spray heads of the upper and lower spray pipes 12 to the upper and lower sides of the cloth to wash the cloth.

[0040] Reference Figure 3 and Figure 4 The filter mechanism 4 includes a rotating plate 41 and a filter plate 42. The filter box 2 is distributed in a cylindrical shape. The filter tube 3 is distributed in a semi-cylindrical shape and is located on the upper side of the filter box 2. The rotating plate 41 is horizontally rotated and installed at the opening of the filter box 2 and is located at the lower side of the filter tube 3. The rotating plate 41 closes the opening of the filter tube 3 toward the lower end. A rotating rod 411 is vertically arranged on the rotating plate 41. The rotating rod 411 is rotatably connected to the filter tube 3 and the upper end of the rotating rod 411 is located at the filter tube 3. On the outside, a rotating motor 31 for driving the rotating rod 411 to rotate is provided on the filter tube 3, a through hole 412 penetrating the plate surface is provided on the rotating plate 41, the area of ​​the through hole 412 is smaller than the cross-sectional area of ​​the filter tube 3, the filter plate 42 is installed at the through hole 412, the filter plate 42 is fan-shaped, two filter plates 42 are provided and symmetrically distributed about the diameter of the rotating plate 41, a clamping member 43 is provided on the rotating plate 41, a cleaning member 7 is rotatably installed at the filter tube 3, and a rotating member 8 is provided on the filter box 2. The rotating member 8 drives the cleaning member 7 to clean the filter plate 42, and the cleaning reduces the number of replacement times of the filter plate 42. When replacement is required, the rotating motor 31 drives the rotating rod 411 to rotate, and the rotating rod 411 drives the rotating plate 41 to rotate to replace the filter plate 42, and at the same time, the used filter plate 42 is replaced, and the replacement operation is convenient.

[0041] Reference Figure 4 A rotating shaft 21 is installed vertically and rotatably inside the filter box 2. The upper end of the rotating shaft 21 is fixedly connected to the rotating plate 41. A cleaning frame 22 is arranged on the rotating shaft 21. The cleaning frame 22 includes a vertical bracket 221 and a horizontal bracket 222. The horizontal bracket 222 is arranged horizontally on the rotating shaft 21. The vertical bracket 221 is arranged at one end of the horizontal bracket 222 and is perpendicular to the horizontal bracket 222. One side of the vertical bracket 221 is in contact with the inner wall of the filter box 2, and the horizontal bracket 222 facing downward is in contact with the bottom wall of the filter box 2. When the rotating plate 41 rotates, the rotating shaft 21 is driven to rotate. The rotating shaft 21 drives the horizontal bracket 222 and the vertical bracket 221 to rotate. The vertical bracket 221 scrapes and cleans the inner wall of the filter box 2 to reduce the probability of sediment adhering to the inner wall of the filter box 2.

[0042] Reference Figure 5The cleaning member 7 includes a cleaning rod 71 and a rotating ring 72. The rotating ring 72 is horizontally rotatably mounted on one side of the filter tube 3 and is coaxially arranged with the rotating rod 411. A pull rod 721 is vertically arranged on one side of the rotating ring 72. A slide groove 722 is arranged on the pull rod 721. A spring 723 is arranged at the slide groove 722 of the pull rod 721. One end of the cleaning rod 71 is slidably mounted on the slide groove 722 of the pull rod 721 and is connected to one end of the spring 723. The cleaning rod 71 is horizontally arranged. A brush is arranged on one side of the cleaning rod 71 facing the filter plate 42. When the rotating ring 72 rotates, the cleaning rod 71 is driven to rotate. The brush on the cleaning rod 71 scrapes one side of the filter plate 42 to scrape off impurities such as hair scraps. When the cleaning rod 71 rotates, the spring 723 pushes the cleaning rod 71 to drive the brush on one side of the cleaning rod 71 to abut against the filter plate 42.

[0043] Reference Figure 6 The clamping member 43 includes a clamping plate 431 and a sliding rod 432. An embedding groove 413 is opened on the rotating plate 41. Blocks 421 are horizontally arranged on both sides of the arc of the filter plate 42. The clamping plate 431 is horizontally slidably installed on one side of the embedding groove 413 of the rotating plate 41. During installation, the block 421 of the filter plate 42 is clamped in the embedding groove 413 of the rotating plate 41. The downward side of the clamping plate 431 is in contact with a side of the block 421. The sliding rod 432 is slidably installed on the rotating plate 41 and connected to a side of the clamping plate 431. A spring 723 is sleeved on the sliding rod 432. During installation, the spring 723 pushes the slide rod 432 to slide, and the slide rod 432 drives the card plate 431 to slide until it fits tightly against one side of the card block 421. At this time, the position of the filter plate 42 is fixed. When the filter plate 42 needs to be removed, the card plate 431 is pushed to drive the slide rod 432 to slide. At this time, the spring 723 is compressed. When the card block 421 and the card plate 431 are separated, the filter plate 42 is removed.

[0044] Reference Figure 6 Filter grooves 422 are arranged on both sides of the arc on the filter plate 42. The filter grooves 422 are distributed along the fan-shaped radius direction of the filter plate 42. A plurality of liquid holes 423 are arranged at the bottom of the filter grooves 422. The cleaning rod 71 brushes the impurities to the filter grooves 422 for collection, and the excess washing liquid leaks out through the liquid holes 423. When the filter plate 42 is removed, the impurities are collected and taken away, which is convenient for cleaning.

[0045] Reference Figure 3 and Figure 7The rotating member 8 includes a rotating disk 81 and a connecting rod 82. The rotating disk 81 is rotatably installed on the filter tube 3 and is distributed in the same plane as the rotating ring 72. One end of the connecting rod 82 is rotatably connected to the upward side of the rotating disk 81, and the end of the connecting rod 82 facing away from the rotating disk 81 is rotatably connected to the upper side of the rotating ring 72 located on the side of the pull rod 721. The rotating disk 81 drives the connecting rod 82 to rotate, and the connecting rod 82 drives the rotating ring 72 to reciprocate, thereby driving the cleaning rod 71 to swing, so as to clean the filter plate 42.

[0046] Reference Figure 7 The filter box 2 is provided with a driving member 9, which includes a motor 91 and a first gear 92. The motor 91 is provided on the filter box 2. A second gear 93 is coaxially fixedly connected to a side of the rotating disk 81 facing downward. The output shaft of the motor 91 is provided with a first gear 92, and the first gear 92 is meshed with the second gear 93. The motor 91 drives the first gear 92 to rotate, the first gear 92 drives the meshed second gear 93 to rotate, and the second gear 93 drives the rotating disk 81 to rotate.

[0047] The implementation principle of the water washing device of a preshrinking machine for polyester fabrics in the embodiment of the present application is as follows: the fabric is wrapped around the fabric guide roller 11 for immersion, the washing liquid in the box body 1 is transported through the outlet pipe 52, and is transported to the filter tube 3 for filtration by the first circulation pump 51, and the filtered washing liquid is transported back to the box body 1 through the inlet pipe 62 by the second circulation pump 61 for reuse.

[0048] The motor 91 drives the rotating disk 81 to rotate, and the rotating disk 81 drives the rotating ring 72 through the connecting rod 82, and then drives the cleaning rod 71 to swing back and forth to clean the filter plate 42. When the filter plate 42 needs to be cleaned after being used for a period of time, the filter plate 42 needs to be replaced. At this time, the rotating motor 31 drives the rotating rod 411 to rotate and drive the rotating plate 41 to rotate, and the unused filter plate 42 on the other side is rotated to the filter tube 3. At this time, the used filter plate 42 can be replaced without stopping the machine for replacement.

[0049] 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 water washing device for a pre-shrinking machine for polyester fabrics, comprising a box body (1), wherein the box body (1) is provided with a cloth inlet and a cloth outlet on two opposite side surfaces, respectively, and the cloth inlet and cloth outlet are arranged in corresponding positions, and a plurality of cloth guide rollers (11) are arranged in parallel with each other and staggered up and down in the box body (1), and a filter box (2) is arranged on one side of the box body (1), and a filter tube (3) connected to the inside of the filter box (2) is arranged on the filter box (2), characterized in that: The filter box (2) is provided with a filter mechanism (4) located at the filter tube (3); a water outlet mechanism (5) communicating with the interior of the box (1) is provided on the outside of the box body (1); one side of the water outlet mechanism (5) is connected to the filter tube (3) of the filter box (2); one side of the filter box (2) is provided with a water inlet mechanism (6) communicating with the interior of the filter box (2); one side of the water inlet mechanism (6) is connected to the box body (1); the filter mechanism (4) comprises a rotating plate (41) and a filter plate (42); the rotating plate (41) is rotatably mounted at the opening of the filter box (2); the rotating plate (41) The opening at one end of the filter tube (3) is closed; the rotating plate (41) is provided with a through hole (412) penetrating the plate surface; the filter plate (42) is mounted at the through hole (412); two filter plates (42) are provided and are symmetrically distributed about the diameter of the rotating plate (41); the rotating plate (41) is provided with a clamping member (43) for clamping the filter plate (42); a cleaning member (7) is rotatably mounted at the filter tube (3); the cleaning member (7) is used to clean a side surface of the filter plate (42); and the filter tube (3) is provided with a rotating member (8) for driving the cleaning member (7) to rotate.

2. The water washing device of the polyester fabric preshrinking machine according to claim 1, characterized in that: The cleaning member (7) comprises a cleaning rod (71) and a rotating ring (72); the rotating ring (72) is rotatably mounted on one side of the filter tube (3); the rotating member (8) drives the rotating ring (72) to rotate; the cleaning rod (71) is arranged on one side of the rotating ring (72); the rotating axis of the rotating ring (72) is perpendicular to the plane where the filter plate (42) is located; and bristles are arranged on a side of the cleaning rod (71) facing the filter plate (42).

3. The water washing device of the polyester fabric preshrinking machine according to claim 2, characterized in that: The rotating member (8) comprises a rotating disk (81) and a connecting rod (82); the rotating disk (81) is rotatably mounted on the filter tube (3) and is located in the same plane as the rotating ring (72); one end of the connecting rod (82) is rotatably connected to a side surface of the rotating disk (81); one end of the connecting rod (82) facing away from the rotating disk (81) is rotatably connected to a side surface of the rotating ring (72); and a driving member (9) for driving the rotating disk (81) to rotate is provided on the filter box (2).

4. The water washing device of the polyester fabric preshrinking machine according to claim 3, characterized in that: The driving member (9) comprises a motor (91) and a first gear (92); the motor (91) is arranged on the filter box (2); a second gear (93) is fixedly connected to a side of the rotating disk (81) away from the connecting rod (82); the second gear (93) is coaxially distributed with the axis of the rotating disk (81); the first gear (92) is arranged at the output shaft of the motor (91); the first gear (92) is meshed with the second gear (93).

5. The water washing device of the polyester fabric preshrinking machine according to claim 2, characterized in that: A pull rod (721) is provided on one side of the rotating ring (72), and the pull rod (721) and the filter plate (42) are arranged perpendicular to each other. A slide groove (722) is provided on the pull rod (721), and one end of the cleaning rod (71) is slidably installed in the slide groove (722) of the pull rod (721). A spring (723) is provided on the pull rod (721) at the slide groove (722), and one end of the spring (723) is connected to a side surface of the cleaning rod (71).

6. The water washing device of the polyester fabric preshrinking machine according to claim 1, characterized in that: The clamping member (43) comprises a clamping plate (431) and a sliding rod (432); an embedding groove (413) is provided on the rotating plate (41); a clamping block (421) is provided on one side of the filter plate (42); the clamping block (421) is clamped at the embedding groove (413); the clamping plate (431) is slidably mounted on one side of the embedding groove (413) of the rotating plate (41); the clamping plate (431) is in contact with one side of the clamping block (421); the sliding rod (432) is slidably mounted on the rotating plate (41) and connected to one side of the clamping plate (431); and a spring (723) is sleeved on the sliding rod (432).

7. The water washing device of the polyester fabric preshrinking machine according to claim 1, characterized in that: Filter grooves (422) are provided on both sides of the filter plate (42), and a lower liquid hole (423) is provided at the bottom of the filter groove (422).

8. The water washing device of the polyester fabric preshrinking machine according to claim 1, characterized in that: A rotating shaft (21) is arranged inside the filter box (2), one end of the rotating shaft (21) is connected to the rotating plate (41), a cleaning frame (22) is arranged on the rotating shaft (21), the cleaning frame (22) comprises a vertical frame (221) and a horizontal frame (222), the horizontal frame (222) is arranged on the rotating shaft (21), the vertical frame (221) is arranged at one end of the horizontal frame (222) and is perpendicular to the horizontal frame (222), and one side of the vertical frame (221) is in contact with the inner wall of the filter box (2).

9. The water washing device of the polyester fabric preshrinking machine according to claim 1, characterized in that: The water outlet mechanism (5) comprises a first circulation pump (51) and a water outlet pipe (52); the first circulation pump (51) is arranged at one side of the housing (1) and is connected to the housing (1) via the water outlet pipe (52); the first circulation pump (51) is connected to the filter tube (3) via a water pipe; the water inlet mechanism (6) comprises a second circulation pump (61) and a water inlet pipe (62); the second circulation pump (61) is arranged at one side of the housing (1) and is connected to the housing (1) via the water inlet pipe (62); the second circulation pump (61) is connected to the filter box (2) via a water pipe.

10. The water washing device of the polyester fabric preshrinking machine according to claim 9, characterized in that: A spray pipe (12) is arranged in the box body (1), one end of the spray pipe (12) is connected to one end of the water inlet pipe (62), a plurality of spray heads are arranged on the spray pipe (12), two spray pipes (12) are arranged and are parallel to each other, and the spray pipes (12) are arranged at the upper and lower sides of the cloth and are relatively distributed.

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