Knitted fabric washing equipment

Abstract

The utility model discloses knitted fabric washing equipment which comprises a washing tank, one end of the washing tank is provided with a discharge port, the top end and the bottom end, close to the washing tank, of the washing tank are fixedly provided with electric push rods which are oppositely arranged in parallel in pairs, and the output ends of the electric push rods penetrate through the washing tank and are fixedly connected with a supporting frame. Wherein the inner sides of two of the supporting frames are rotatably connected with an ironing roller, the interiors of the other two supporting frames are fixedly connected with an ironing plate, the ironing plate is located under the ironing roller, a plurality of evenly distributed air outlet holes are formed in the top end of the ironing plate, and the lower portion of the end, close to the discharging port, of the washing box is fixedly connected with a tool box. According to the equipment, the functions of washing, ironing and water filtering are integrated, the independent ironing procedure is reduced, the cost is reduced, the efficiency is improved, the two water pumping pipes alternately work when impurities are cleaned, continuous water filtering is guaranteed, and the washing water quality and the fabric cleanliness are effectively improved through multiple filtering plates.

Description

Technical Field

[0001] The utility model relates to the technical field of textile equipment, in particular to a water washing device for knitted fabrics. Background Art

[0002] In the process of processing knitted fabrics, existing water washing devices usually have some problems.

[0003] After being washed by traditional water washing devices, the fabrics need to be ironed separately, which increases the processes and costs. Moreover, the filtration and treatment of water during the water washing process are not efficient enough, affecting the recycling of water and the cleanliness of the fabrics.

[0004] Therefore, we propose a water washing device for knitted fabrics. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a water washing device for knitted fabrics, in order to prevent the complexity of processes and the increase of costs, as well as the low efficiency of water filtration treatment, so as to improve production efficiency, reduce production costs, and enhance the water recycling effect and the cleanliness of the fabrics, and can effectively solve the problems in the background art.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A water washing device for knitted fabrics includes a water washing tank. An outlet is arranged at one end of the water washing tank. Electric push rods are fixedly installed in pairs and parallel to each other near the top and bottom of the water washing tank. The output ends of the electric push rods penetrate through the water washing tank and are fixedly connected with support frames. An ironing roller is rotatably connected to the inner sides of two of the support frames, and an ironing plate is fixedly connected inside the other two support frames. The ironing plate is located directly below the ironing roller, and a plurality of evenly distributed air outlet holes are formed at the top end of the ironing plate;

[0008] A toolbox is fixedly connected to the lower part of one end of the water washing tank close to the outlet. A water pump, an ironing machine and a support rod are respectively fixedly installed on the inner wall of the bottom end of the toolbox, and there are two groups of support rods arranged relatively parallel to each other. The top ends of the support rods are fixedly connected with water pumping cylinders. Two groups of relatively parallel first connecting pipes are fixedly connected between the two water pumping cylinders, and valves are arranged at the connection parts of the first connecting pipes and the water pumping cylinders;

[0009] A cleaning net cylinder is slidably connected inside the water pumping cylinder. A first physical filter plate, a chemical filter plate and a second physical filter plate are respectively arranged inside the cleaning net cylinder. The chemical filter plate is located between the first physical filter plate and the second physical filter plate. A plurality of uniformly distributed through holes are formed at one end of the cleaning net cylinder close to the second physical filter plate. A lifting frame is connected to the inner wall of the end of the cleaning net cylinder far from the through holes. A lifting pull rod is rotatably connected to the middle of the bottom end of the lifting frame far from the first physical filter plate. One end of the lifting pull rod far from the lifting frame is rotatably connected to a sealing cover, and the sealing cover is threadedly connected to the inner side of one end of the water pumping cylinder.

[0010] By adopting the above technical solution, the knitting fabric completes the water washing process in the water washing box. When the fabric after water washing needs to be ironed, the electric push rods at the top and bottom of the water washing box are started, and their output ends push the support frame to move. The ironing drums inside two of the support frames and the ironing plates inside the other two support frames approach each other. At this time, the water pump in the toolbox is started. Through the control of the valve at the connection between the first connecting pipe and the water pumping cylinder, water is pumped into the water pumping cylinder, and the two water suction pipes are alternately used when cleaning impurities without stopping the water pump. When the water passes through the cleaning net cylinder, it is filtered in turn through the first physical filter plate, the chemical filter plate and the second physical filter plate to remove impurities and harmful substances. The water after filtration treatment can flow out through the plurality of uniformly distributed through holes formed at one end of the cleaning net cylinder close to the second physical filter plate and flow into the ironing machine. The heat generated by the operation of the ironing machine acts on the fabric through the plurality of air outlet holes formed at the top of the ironing plate. With the cooperation of the ironing drum, the fabric is ironed flat.

[0011] When maintenance, cleaning or replacement of the filtering components inside the cleaning net cylinder is required, first rotate the sealing cover. Since one end of the lifting pull rod is rotatably connected to the sealing cover, the cleaning net cylinder can be pulled out of the water pumping cylinder by grasping the lifting frame, so as to perform subsequent cleaning, replacement and other operations.

[0012] Furthermore, a water washing cavity is arranged inside the water washing box. One end of one of the first connecting pipes is fixedly provided with a water suction pipe. The end of the water suction pipe far from the first connecting pipe penetrates through the toolbox and the water washing box and extends into the water washing cavity.

[0013] By adopting the above technical solution, the water pump generates suction force, and through one of the first connecting pipes and the connected water suction pipe, the water in the water washing cavity inside the water washing box is pumped out. The water flows from the water washing cavity through the water suction pipe and then through the first connecting pipe to be conveyed to the water pumping cylinder for subsequent filtration treatment.

[0014] Furthermore, the suction end of the water pump is fixedly connected with a second connecting pipe, and the end of the second connecting pipe far from the water pump is fixedly installed on one side of the other first connecting pipe.

[0015] By adopting the above technical solution, when the water pump works, it sucks water from the first connecting pipe connected to it through the second connecting pipe at its suction end. Such a connection method ensures that the water pump can effectively obtain the water to be treated from the pumping barrel through the first connecting pipe and the second connecting pipe.

[0016] Further, a water delivery pipe is fixedly installed at the discharge end of the water pump. One end of the water delivery pipe away from the water pump is fixedly connected to the ironing machine. A hose is fixedly connected to one side of the ironing machine away from the water delivery pipe. One end of the hose away from the ironing machine penetrates through the toolbox and the water washing box and extends into the interior of the ironing board.

[0017] By adopting the above technical solution, after the water pump is started, the pumped water is delivered to the ironing machine through the water delivery pipe at the discharge end. The ironing machine heats the water. After being heated, the water becomes steam or hot fluid, and then is transmitted through the hose connected to the ironing machine. The hose delivers the hot fluid or steam into the interior of the ironing board, thereby providing heat for the ironing board and realizing the ironing function for the knitted fabric.

[0018] Further, a motor is fixedly installed at one end of the support frame away from the ironing drum. The output shaft of the motor penetrates through the support frame and is fixedly connected to the ironing drum. The top and bottom ends of two adjacent support frames are fixedly connected with limiting rods, and the limiting rods penetrate through the water washing box and extend to the outside.

[0019] By adopting the above technical solution, when the ironing function needs to be started, the motor starts to work, and the output shaft of the motor rotates. Since the output shaft is fixedly connected to the ironing drum, the ironing drum is driven to rotate; during the movement of the support frame, the limiting rods fixedly connected to the top and bottom ends play a role in limiting and guiding. The limiting rods penetrate through the water washing box and extend to the outside, ensuring that the support frame can move smoothly along the established straight line direction, so that the ironing drum and the ironing board can accurately cooperate with each other to realize the effective ironing of the knitted fabric.

[0020] Further, drive rollers are rotatably connected to the lower parts of the inner walls on both sides of the water washing cavity. An inlet is provided at one end of the water washing box away from the discharge port. Auxiliary rollers are rotatably connected to the upper parts of the inner walls on both sides of the water washing box near the inlet, and the auxiliary rollers are arranged parallel to each other up and down.

[0021] By adopting the above technical solution, when the knitted fabric enters the water washing box, it is put in from the inlet, and first passes through the auxiliary rollers arranged parallel to each other up and down. The rotation of the auxiliary rollers can guide the fabric to smoothly enter the water washing cavity and play a certain role in tensioning and guiding, so that the fabric can maintain an appropriate position and state during the water washing process; in the water washing cavity, the fabric is washed in the water washing solution, and the drive rollers rotatably connected to the lower parts of the inner walls on both sides of the water washing cavity can support and drive the fabric to move, ensuring that the fabric is smoothly transmitted in the water washing box until it is sent out from the discharge port.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] (1) The water washing equipment for knitted fabrics of the utility model integrates the functions of water washing, ironing and water filtration, reduces the process of ironing alone, improves the production efficiency and reduces the cost.

[0024] (2) The water washing equipment for knitted fabrics of the utility model alternately uses two water suction pipes when cleaning impurities, without stopping the water pump, ensuring the continuity of water filtration, improving the work efficiency. At the same time, through the treatment of multiple filter plates, impurities and harmful substances in the water are effectively removed, improving the quality of the water for washing, and thus enhancing the cleanliness of the fabric. Description of the Drawings

[0025] Figure 1 is a schematic structural diagram of a water washing equipment for knitted fabrics of the utility model.

[0026] Figure 2 is a side view cross-sectional view of a water washing equipment for knitted fabrics of the utility model.

[0027] Figure 3 is a top view inside the water suction cylinder of a water washing equipment for knitted fabrics of the utility model.

[0028] Figure 4 is a schematic structural diagram of the ironing board of a water washing equipment for knitted fabrics of the utility model.

[0029] Figure 5 is a schematic structural diagram of the lifting frame of a water washing equipment for knitted fabrics of the utility model.

[0030] In the figure: 1, water washing box; 2, electric push rod; 3, support frame; 4, ironing roller; 5, ironing board; 6, air outlet; 7, water pump; 8, ironing machine; 9, support rod; 10, water suction cylinder; 11, first connecting pipe; 12, valve; 13, cleaning mesh cylinder; 14, first physical filter plate; 15, chemical filter plate; 16, second physical filter plate; 17, water suction pipe; 18, second connecting pipe; 19, water supply pipe; 20, hose; 21, motor; 22, limit rod; 23, discharge port; 24, auxiliary roller; 25, driving roller; 26, tool box; 27, lifting frame; 28, lifting pull rod; 29, sealing cover; 30, through hole. Detailed Embodiments

[0031] In order to make the technical means, creative features, achieved purposes and functions of the utility model easy to understand, the utility model will be further described below in conjunction with the specific embodiments.

[0032] To prevent the complexity of processes, the increase in costs, and the inefficiency of water filtration treatment, thereby improving production efficiency, reducing production costs, enhancing the effect of water recycling, and improving the cleanliness of the fabric, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 shown, a water-washing device for knitted fabric includes a water-washing tank 1. An outlet 23 is provided at one end of the water-washing tank 1. Electric push rods 2 are fixedly installed in pairs and parallel to each other near the top and bottom of the water-washing tank 1. The output ends of the electric push rods 2 penetrate through the water-washing tank 1 and are fixedly connected to a support frame 3. An ironing roller 4 is rotatably connected inside two of the support frames 3, and an ironing plate 5 is fixedly connected inside the other two support frames 3. The ironing plate 5 is located directly below the ironing roller 4, and a plurality of evenly distributed air holes 6 are formed at the top of the ironing plate 5;

[0033] A toolbox 26 is fixedly connected to the lower part of one end of the water-washing tank 1 close to the outlet 23. A water pump 7, an ironing machine 8, and a support rod 9 are respectively fixedly installed on the inner wall of the bottom end of the toolbox 26, and there are two groups of support rods 9 arranged in parallel. The top ends of the support rods 9 are fixedly connected to a water extraction cylinder 10. Two groups of first connecting pipes 11 arranged in parallel are fixedly connected between the two water extraction cylinders 10, and a valve 12 is provided at the connection between the first connecting pipe 11 and the water extraction cylinder 10;

[0034] A cleaning mesh cylinder 13 is slidably connected inside the water extraction cylinder 10. A first physical filter plate 14, a chemical filter plate 15, and a second physical filter plate 16 are respectively arranged inside the cleaning mesh cylinder 13. The chemical filter plate 15 is located between the first physical filter plate 14 and the second physical filter plate 16. A plurality of evenly distributed through holes 30 are formed at one end of the cleaning mesh cylinder 13 close to the second physical filter plate 16. A lifting frame 27 is connected to the inner wall of the end of the cleaning mesh cylinder 13 far from the through holes 30. A lifting rod 28 is rotatably connected to the middle of the bottom end of the lifting frame 27 far from the first physical filter plate 14. One end of the lifting rod 28 far from the lifting frame 27 is rotatably connected to a sealing cover 29, and the sealing cover 29 is threadedly connected to the inner side of one end of the water extraction cylinder 10.

[0035] When in use, the knitted fabric completes the washing process in the washing box 1. When the washed fabric needs to be ironed, the electric push rods 2 at the top and bottom of the washing box 1 are started, and the output ends thereof push the support frames 3 to move, wherein the ironing rollers 4 inside the two support frames 3 and the ironing plates 5 in the other two support frames 3 are close to each other. At this time, the water pump 7 in the tool box 26 is started, and water is pumped into the pumping cylinder 10 through the control of the valve 12 at the connection between the first connecting pipe 11 and the pumping cylinder 10, and the two pumping pipes are used alternately when cleaning impurities, without The water pump is stopped. When the water passes through the cleaning net cylinder 13, it is filtered through the first physical filter plate 14, the chemical filter plate 15 and the second physical filter plate 16 in sequence to remove impurities and harmful substances. The filtered water can flow out through a plurality of evenly distributed through holes 30 opened at one end of the cleaning net cylinder 13 close to the second physical filter plate 16, and flow into the ironing machine 8. The heat generated by the ironing machine 8 acts on the fabric through a plurality of air outlet holes 6 opened at the top of the ironing plate 5. With the cooperation of the ironing roller 4, the fabric is ironed flat.

[0036] When it is necessary to maintain, clean or replace the filter components inside the cleaning net cylinder 13, first rotate the sealing cover 29. Since one end of the lifting rod 28 is rotatably connected to the sealing cover 29, the lifting frame 27 can be grasped to pull the cleaning net cylinder 13 out of the pumping cylinder 10 for subsequent cleaning, replacement and other operations.

[0037] For example, Figure 1 , Figure 2 As shown, the utility model also includes a water washing chamber provided inside the water washing box 1, wherein a water suction pipe 17 is fixedly installed at one end of one of the first connecting pipes 11, and the end of the water suction pipe 17 away from the first connecting pipe 11 passes through the tool box 26 and the water washing box 1, and extends to the inside of the water washing chamber.

[0038] When in use, the water pump generates suction to pump water out of the water washing chamber inside the washing box 1 through one of the first connecting pipes 11 and the pumping pipe 17 connected thereto. The water is transported from the water washing chamber through the pumping pipe 17 and then through the first connecting pipe 11 to the pumping cylinder 10 for subsequent filtering treatment.

[0039] For example, Figure 2 , Figure 3 As shown, the utility model also includes that the suction end of the water pump 7 is fixedly connected with a second connecting pipe 18 , and one end of the second connecting pipe 18 away from the water pump 7 is fixedly installed on one side of another first connecting pipe 11 .

[0040] When in use, when the water pump 7 is working, it sucks water from the first connecting pipe 11 connected thereto through the second connecting pipe 18 at its suction end. This connection method ensures that the water pump 7 can effectively obtain the water to be processed from the pumping barrel 10 through the first connecting pipe 11 and the second connecting pipe 18.

[0041] Exemplarily, as Figure 2 、 Figure 3 shown, the present utility model further includes that a water delivery pipe 19 is fixedly installed at the discharge end of the water pump 7. One end of the water delivery pipe 19 far from the water pump 7 is fixedly connected to the ironing machine 8. One side of the ironing machine 8 far from the water delivery pipe 19 is fixedly connected with a hose 20. One end of the hose 20 far from the ironing machine 8 penetrates through the toolbox 26 and extends into the water washing box 1 and further into the interior of the ironing board 5.

[0042] When in use, after the water pump 7 is started, the pumped water is conveyed to the ironing machine 8 through the water delivery pipe 19 at the discharge end. The ironing machine 8 heats the water. After being heated, the water becomes steam or hot fluid and is then transmitted through the hose 20 connected to the ironing machine 8. The hose 20 conveys the hot fluid or steam to the interior of the ironing board 5, thereby providing heat for the ironing board 5 and realizing the ironing function for the knitted fabric.

[0043] Exemplarily, as Figure 1 、 Figure 2 shown, the present utility model further includes that a motor 21 is fixedly installed at one end of the support frame 3 far from the ironing drum 4. The output shaft of the motor 21 penetrates through the support frame 3 and is fixedly connected to the ironing drum 4. The top and bottom ends of two adjacent support frames 3 are fixedly connected with limiting rods 22. The limiting rods 22 penetrate through the water washing box 1 and extend to the outside.

[0044] When in use, when the ironing function needs to be started, the motor 21 starts to work. The output shaft of the motor 21 rotates. Since the output shaft is fixedly connected to the ironing drum 4, the ironing drum 4 is driven to rotate. During the movement of the support frame 3, the limiting rods 22 fixedly connected to the top and bottom ends play a role in limiting and guiding. The limiting rods 22 penetrate through the water washing box 1 and extend to the outside, ensuring that the support frame 3 can move smoothly along the established straight line direction, enabling the ironing drum 4 and the ironing board 5 to accurately cooperate with each other and realizing the effective ironing of the knitted fabric.

[0045] Exemplarily, as Figure 1 shown, the present utility model further includes that drive rollers 25 are rotatably connected to the lower parts of the two inner walls of the water washing cavity. One end of the water washing box 1 far from the discharge port 23 is provided with a feed port. Auxiliary rollers 24 which are arranged up and down and relatively parallel are rotatably connected to the upper parts of the two inner walls of the water washing box 1 near the feed port.

[0046] During use, when the knitted fabric enters the water-washing box 1, it is put in from the feed inlet and first passes through the auxiliary rollers 24 arranged parallel to each other vertically. The rotation of the auxiliary rollers 24 can guide the fabric to smoothly enter the water-washing chamber and play a certain role in tensioning and guiding, so that the fabric maintains an appropriate position and state during the water-washing process; in the water-washing chamber, the fabric is cleaned in the water-washing solution, and the driving rollers 25 rotatably connected to the lower parts of the inner walls on both sides of the water-washing chamber can support and drive the fabric to move, ensuring that the fabric is smoothly transported in the water-washing box 1 until it is sent out from the discharge port 23.

[0047] It should be noted that the present utility model is a water-washing device for knitted fabrics. The knitted fabric is put into the water-washing box 1 from the feed inlet. The fabric first passes through the auxiliary rollers 24, and the auxiliary rollers 24 guide the fabric to smoothly enter the water-washing chamber. An appropriate amount of water-washing solution is injected into the water-washing chamber, and the fabric is cleaned in the water-washing chamber. The driving rollers 25 support and drive the fabric to move, ensuring that the fabric is fully washed.

[0048] When the fabric is washed, the electric push rods 2 at the top and bottom of the water-washing box 1 are started. The output ends of the electric push rods 2 push the support frames 3 to move, so that the ironing drums 4 inside the inner sides of two of the support frames 3 and the ironing plates 5 inside the other two support frames 3 approach each other. The water pump 7 in the tool box 26 is started. Controlled by the valve 12 at the connection between the first connecting pipe 11 and the water extraction cylinder 10, water is pumped into the water extraction cylinder 10. When the water passes through the cleaning mesh cylinder 13, it is filtered in sequence through the first physical filter plate 14, the chemical filter plate 15 and the second physical filter plate 16 to remove impurities and harmful substances. The water after the filtering treatment flows out through the multiple uniformly distributed through holes 30 opened at one end of the cleaning mesh cylinder 13 close to the second physical filter plate 16 and flows into the ironing machine 8. The heat generated by the operation of the ironing machine 8 acts on the fabric through the multiple air outlets 6 opened at the top of the ironing plate 5. With the cooperation of the ironing drums 4, the fabric is ironed flat.

[0049] When it is necessary to maintain, clean or replace the filtering components inside the cleaning mesh cylinder 13, first rotate the sealing cover 29. Since one end of the lifting rod 28 is rotatably connected to the sealing cover 29, grasp the lifting frame 27 and pull the cleaning mesh cylinder 13 out of the water extraction cylinder 10, so as to perform subsequent cleaning, replacement and other operations.

[0050] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A water washing device for knitted fabrics, comprising a water washing tank (1), characterized in that, One end of the water-washing box (1) is provided with a discharge port (23). Electric push rods (2) are fixedly installed in parallel in pairs near the top and bottom of the water-washing box (1). The output ends of the electric push rods (2) penetrate through the water-washing box (1) and are fixedly connected with support frames (3). An ironing roller (4) is rotatably connected inside two of the support frames (3), and an ironing plate (5) is fixedly connected inside the other two support frames (3). The ironing plate (5) is located directly below the ironing roller (4), and a plurality of uniformly distributed air holes (6) are formed at the top end of the ironing plate (5). A tool box (26) is fixedly connected to the lower part of one end of the water-washing box (1) near the discharge port (23). A water pump (7), an ironing machine (8) and a support rod (9) are respectively fixedly installed on the inner wall of the bottom end of the tool box (26), and there are two groups of support rods (9) arranged in parallel. The top ends of the support rods (9) are fixedly connected with water extraction cylinders (10). Two groups of first connecting pipes (11) arranged in parallel are fixedly connected between the two water extraction cylinders (10), and a valve (12) is provided at the connection between the first connecting pipe (11) and the water extraction cylinder (10). A cleaning mesh cylinder (13) is slidably connected inside the water extraction cylinder (10). A first physical filter plate (14), a chemical filter plate (15) and a second physical filter plate (16) are respectively arranged inside the cleaning mesh cylinder (13). The chemical filter plate (15) is located between the first physical filter plate (14) and the second physical filter plate (16). A plurality of uniformly distributed through holes (30) are formed at one end of the cleaning mesh cylinder (13) near the second physical filter plate (16). A lifting frame (27) is connected to the inner wall of the end of the cleaning mesh cylinder (13) far from the through holes (30). A lifting rod (28) is rotatably connected to the middle of the bottom end of the lifting frame (27) far from the first physical filter plate (14). One end of the lifting rod (28) far from the lifting frame (27) is rotatably connected to a sealing cover (29), and the sealing cover (29) is threadedly connected to the inner side of one end of the water extraction cylinder (10).

2. The water washing equipment for a knitted fabric according to claim 1, characterized in that: A water-washing cavity is arranged inside the water-washing box (1). One end of one of the first connecting pipes (11) is fixedly installed with a water suction pipe (17). The end of the water suction pipe (17) far from the first connecting pipe (11) penetrates through the tool box (26) and the water-washing box (1) and extends into the water-washing cavity.

3. The water washing equipment for a knitted fabric according to claim 1, wherein: The suction end of the water pump (7) is fixedly connected with a second connecting pipe (18). The end of the second connecting pipe (18) far from the water pump (7) is fixedly installed on one side of the other first connecting pipe (11).

4. A washing device for knitted fabrics according to claim 1, characterized in that: The discharge end of the water pump (7) is fixedly installed with a water delivery pipe (19). The end of the water delivery pipe (19) far from the water pump (7) is fixedly connected with the ironing machine (8). A hose (20) is fixedly connected to one side of the ironing machine (8) far from the water delivery pipe (19). The end of the hose (20) far from the ironing machine (8) penetrates through the tool box (26) and the water-washing box (1) and extends into the ironing plate (5).

5. The water washing equipment for a knitted fabric according to claim 1, characterized in that: One end of the support frame (3) far from the ironing drum (4) is fixedly installed with a motor (21). The output shaft of the motor (21) penetrates through the support frame (3) and is fixedly connected to the ironing drum (4). The top and bottom ends of two adjacent support frames (3) are fixedly connected with limiting rods (22). The limiting rods (22) penetrate through the water washing tank (1) and extend to the outside.

6. The water washing device for a knitted fabric according to claim 2, characterized in that: Driving rollers (25) are rotatably connected to the lower parts of the inner walls on both sides of the water washing cavity. One end of the water washing tank (1) far from the discharge port (23) is provided with a feed port. Auxiliary rollers (24) which are arranged up and down and relatively parallel are rotatably connected to the upper parts of the inner walls on both sides of the water washing tank (1) near the feed port.

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