Fabric tension-free washing machine

Abstract

The utility model relates to the technical field of printing and dyeing equipment, in particular to a cloth tension-free washing machine which comprises a washing tank, and a conveying device for conveying cloth is arranged on the washing tank. Cloth is placed on the first conveying belt, the first driving mechanism is started to drive the first conveying belt to rotate, the cloth moves along with rotation of the first conveying belt, and the cloth firstly falls into water in the washing tank after being moved out of the first conveying belt; cloth with the density larger than that of water sinks in water and moves to a second conveying belt, and a second driving mechanism is started to drive the second conveying belt to move; the cloth with the density smaller than that of water floats on the water surface, water flow drives the cloth to move, and the lower surface of the cloth is washed while the cloth moves; in the washing work, the cloth is uniformly stressed in the moving process, so that the conveying tension of the cloth is greatly reduced, the probability that the surface of the cloth is deformed or damaged due to overlarge tension is reduced, and the finished product quality of the cloth is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of printing and dyeing equipment, and particularly relates to a cloth non-tension water washing machine. Background Art

[0002] Cloth water washing is a common post-treatment process for textiles, used to remove impurities, oils, slurries, etc. that the cloth may be contaminated with during the production process, and at the same time can improve the feel, color, and dimensional stability of the cloth. Generally, in factories, a water washing machine is used to wash the cloth.

[0003] In the related art, reference can be made to the Chinese utility model patent with the authorized announcement number CN208949548U, which discloses a water washing machine, including a box body, water injection ports arranged at both ends of the box body, and a plurality of upper rollers and lower rollers arranged in the box body; the arrangement height of the water injection ports is higher than the arrangement height of the lower rollers and lower than the arrangement height of the upper rollers; a stirring rotating shaft for stirring the cleaning liquid in the box body is also installed on the box body; one end of the stirring rotating shaft penetrates into the box body, and the other end is located outside the box body and is connected to a motor; stirring blades are fixedly connected to the part of the stirring rotating shaft located in the box body.

[0004] In the actual working process of the above water washing machine, the cloth needs to be moved by the traction of the rollers. However, after the cloth is affected by the traction force, it will stretch, thereby increasing the mutual force between the cloth fibers, resulting in an increase in the surface tension of the cloth, making the cloth prone to deformation or damage after water washing, and reducing the finished product quality of the cloth. Utility Model Content

[0005] In order to improve the water washing quality of the cloth, the present application provides a cloth non-tension water washing machine.

[0006] A cloth non-tension water washing machine provided by the present application adopts the following technical solutions:

[0007] A cloth non-tension water washing machine includes a water washing tank, the water washing tank is communicated with a water source, the cloth enters the water washing tank for water washing, and a conveying device for conveying the cloth is arranged on the water washing tank. The conveying device includes:

[0008] A first conveyor belt, the first conveyor belt is rotatably arranged on the water washing tank, the cloth is placed on the upper surface of the first conveyor belt, and the first conveyor belt is located above the liquid level in the water washing tank;

[0009] A first driving mechanism, the first driving mechanism is arranged on the water washing tank and is used to drive the first conveyor belt to rotate;

[0010] A spray pipe, the spray pipe is arranged on the water washing tank and is located above the first conveyor belt, and the spray pipe sprays water on the surface of the first conveyor belt;

[0011] A second conveyor belt rotatably arranged on the water washing tank, the second conveyor belt being located below the liquid level in the water washing tank, and a plurality of water passing holes being uniformly formed in the belt surface of the second conveyor belt;

[0012] A second driving mechanism arranged on the water washing tank and used for driving the second conveyor belt to rotate.

[0013] By adopting the above technical solution, the fabric is placed on the first conveyor belt, the spray pipe is started to flush and wash the fabric on the first conveyor belt, the first driving mechanism is started to drive the first conveyor belt to rotate, the first conveyor belt rotates to drive the fabric to move, the fabric uniformly adheres to the first conveyor belt under the action of the water sprayed by the spray pipe and moves as the first conveyor belt rotates, and after the fabric is removed from the first conveyor belt, it first falls into the water in the water washing tank; the fabric with a density greater than that of water sinks in the water and moves onto the second conveyor belt, the second driving mechanism is started to drive the second conveyor belt to move, and since water passing holes are formed in the surface of the second conveyor belt, the lower surface of the fabric can be washed while the fabric moves along with the second conveyor belt; the fabric with a density less than that of water floats on the water surface, and at the same time, since the second conveyor belt rotates under the action of the second driving mechanism, the water body above the second conveyor belt will flow along the rotation direction of the second conveyor belt, thereby driving the fabric to move, and the lower surface of the fabric is washed while moving; in the above water washing work, the fabric is uniformly stressed during the moving process, greatly reducing the conveying tension on the fabric and reducing the probability of deformation or damage to the fabric surface due to excessive tension, and ensuring the finished product quality of the fabric.

[0014] Optionally, the first driving mechanism includes:

[0015] Two first driving wheels, both of the two first driving wheels being rotatably arranged on the water washing tank, and the first conveyor belt being sleeved on the two first driving wheels;

[0016] A first driving motor arranged on the outer side wall of the water washing tank and having an output shaft connected to the first driving wheel.

[0017] By adopting the above technical solution, the first driving motor is started to drive the first driving wheel to rotate, and the first driving wheel rotates to drive the first conveyor belt to rotate, thereby realizing the rotation work of the first conveyor belt by controlling the first driving motor.

[0018] Optionally, the second driving mechanism includes:

[0019] Two second driving wheels, both of the two second driving wheels being rotatably arranged on the water washing tank, and the second conveyor belt being sleeved on the two second driving wheels;

[0020] A first transmission wheel and a second transmission wheel, wherein the first transmission wheel and the second transmission wheel are both rotatably disposed on the outer side wall of the washing tank and are coaxially disposed with the first driving wheel and the second driving wheel respectively;

[0021] A second transmission belt is sleeved on the first transmission wheel and the second transmission wheel.

[0022] By adopting the above technical solution, the first drive motor is started to drive the first conveyor belt to rotate and at the same time drives the first transmission wheel to rotate, the rotation of the first transmission wheel drives the second transmission belt to rotate, the second transmission belt rotates the second transmission wheel, the rotation of the second transmission wheel drives the second drive wheel to rotate, and the rotation of the second drive wheel drives the second conveyor belt to rotate, thereby realizing the synchronous rotation of the second conveyor belt and the first conveyor belt.

[0023] Optionally, a water outlet is provided on the side wall of the washing tank, and the height of the water outlet is flush with the liquid level in the washing tank. A guide plate is provided on the end of the side wall of the washing tank located at the water outlet close to the second conveyor belt, and the guide plate is in an inclined state. The end of the guide plate with a lower height contacts the surface of the second conveyor belt.

[0024] By adopting the above technical solution, a water outlet is opened on the side wall of the washing tank, and the water is discharged through the water outlet to keep the liquid level in the washing tank at a stable height at all times, and at the same time, the water in the washing tank can flow to the water outlet, so that the cloth with a density less than water can be discharged from the water outlet under the action of the water flow, and the cloth with a density greater than water is moved to the guide plate under the action of the second conveyor belt and then discharged from the water outlet.

[0025] Optionally, the water washing tank is provided with a water return mechanism for recycling the water discharged from the water outlet, and the water return mechanism comprises:

[0026] A return water tank, which is arranged on the outer wall of the washing tank, and the upper opening of the return water tank is open, and the return water tank receives the water flowing out of each water outlet;

[0027] A filter assembly, the filter assembly is arranged on the return water tank and is used to filter the water entering the return water tank;

[0028] A water return pipe, one end of which is arranged at the bottom of the water return tank and communicated with the interior of the water return tank, the other end of which is connected to the spray pipe and communicated with the interior of the spray pipe, and a water pump is arranged on the water return pipe.

[0029] By adopting the above technical solution, water flows out from the water outlet and enters the return water tank. The filtering component filters out the impurities in the water after washing the fabric. The filtered water accumulates at the bottom of the return water tank, and then the water pump starts to guide the filtered water back into the spray pipe through the return pipe for reuse, thus completing the work of reusing the water exported from the water outlet, saving water resources and reducing production costs.

[0030] Optionally, the filtering component includes:

[0031] An installation frame, which is arranged on the inner side wall of the return water tank;

[0032] A filter net, which is placed on the installation frame;

[0033] A limiting member, which is arranged on the return water tank and is used to limit the position of the filter net on the installation frame.

[0034] By adopting the above technical solution, move the filter net to the installation frame and then use the limiting member to limit the filter net on the installation frame, thus completing the installation work of the filter net; when it is necessary to clean or replace the filter net, unlock the limiting member and move the filter net away from the installation, which is convenient, fast and has high working efficiency.

[0035] Optionally, the limiting member includes:

[0036] A limiting block, a horizontal sliding groove is opened on the inner side wall of the return water tank, and the limiting block is slidably installed on the sliding groove;

[0037] A limiting spring, which is arranged on the sliding groove and connected to the limiting block. The head of the limiting block protrudes out of the sliding groove under the action of the limiting spring and abuts against the filter net.

[0038] By adopting the above technical solution, squeeze the limiting block to compress the limiting spring and move it, so that the whole limiting block enters the sliding groove, then the limiting block is separated from the filter net, and the filter net can be removed from the installation frame. After moving the cleaned or replaced filter net to the installation frame, release the limiting block, and the head of the limiting block protrudes out of the sliding groove under the action of the limiting spring and abuts against the filter net, then the limiting work of the filter net can be completed.

[0039] Optionally, an arc-shaped guiding surface is opened on the upper surface of the end of the limiting block protruding out of the sliding groove.

[0040] By adopting the above technical solution, an arc-shaped guiding surface is opened on the upper surface of the end of the limiting block protruding out of the sliding groove. Thus, when moving the filter net onto the installation frame, the filter net will first contact the guiding surface, and the guiding surface will generate a component force to drive the limiting block into the sliding groove, so that there is no need to manually squeeze the limiting block into the sliding groove, simplifying the working steps and improving the working efficiency.

[0041] In summary, the present application includes at least one of the following beneficial technical effects:

[0042] 1. When the first driving motor is started, it drives the first conveyor belt to rotate while driving the first driving wheel to rotate. The rotation of the first driving wheel drives the second conveyor belt to rotate, the rotation of the second conveyor belt drives the second driving wheel to rotate, and the rotation of the second driving wheel drives the second conveyor belt to rotate, thereby realizing the synchronous rotation operation of the second conveyor belt and the first conveyor belt;

[0043] 2. By draining water through the water outlet, the liquid level in the water washing tank can be kept at a stable height all the time, and at the same time, the water in the water washing tank can flow towards the position of the water outlet, so that the fabric with a density less than that of water can be led out from the water outlet under the action of the water flow, while the fabric with a density greater than that of water is moved onto the guide plate by the second conveyor belt and then led out from the water outlet;

[0044] 3. By providing an arc-shaped guiding surface on the upper surface of the end of the limiting block protruding out of the sliding groove, when the filter net is moved onto the installation frame, the filter net will first contact the guiding surface, and the guiding surface will generate a component force that drives the limiting block to move into the sliding groove, thus eliminating the need for manual extrusion of the limiting block into the sliding groove, simplifying the working steps and improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 is a three-dimensional structural schematic diagram of the present application;

[0046] Figure 2 is a structural schematic diagram of the conveying device and the water return mechanism in the present application, in which the side walls of the water washing tank and the water return tank are sectioned;

[0047] Figure 3 is Figure 2 an enlarged schematic diagram of part A in

[0048] Reference numerals: 1, water washing tank; 11, water outlet; 12, sliding groove; 13, guiding surface; 14, guide plate; 15, water pump; 2, conveying device; 21, first conveyor belt; 22, first driving mechanism; 23, spray pipe; 24, second conveyor belt; 25, second driving mechanism; 31, first driving wheel; 32, first driving motor; 33, second driving wheel; 34, first driving wheel; 35, second driving wheel; 36, second conveyor belt; 37, water passing hole; 4, water return mechanism; 41, water return tank; 42, filtering assembly; 43, water return pipe; 44, installation frame; 45, filter net; 46, limiting member; 47, limiting block; 48, limiting spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0049] The following is combined with the attached Figure 1 - attachedFigure 3 Further details of this application will be described below.

[0050] An embodiment of this application discloses a cloth non-tension water washing machine.

[0051] Referring to Figure 1 , the cloth non-tension water washing machine includes a water washing tank 1 communicated with a water source. The cloth enters the water washing tank 1 for water washing, and a conveying device 2 for conveying the cloth is arranged on the water washing tank 1.

[0052] Referring to Figure 1 and Figure 2 , the conveying device 2 includes a first conveyor belt 21, a first driving mechanism 22, a spray pipe 23, a second conveyor belt 24 and a second driving mechanism 25. The first conveyor belt 21 is rotatably installed on the inner side wall of the water washing tank 1 through the first driving mechanism 22. The first driving mechanism 22 includes two first driving wheels 31 and a first driving motor 32. Both of the two first driving wheels 31 are rotatably installed on the inner side wall of the water washing tank 1, and the first conveyor belt 21 is sleeved on the two first driving wheels 31. The first driving motor 32 is fixedly installed on the outer side wall of the water washing tank 1 and the output shaft is connected to one of the two first driving wheels 31. When the first driving motor 32 is started, it drives the first driving wheel 31 to rotate, and the first driving wheel 31 drives the first conveyor belt 21 to rotate, so that the rotation of the first conveyor belt 21 is realized by controlling the first driving motor 32.

[0053] Referring to Figure 1 and Figure 2 , the spray pipe 23 is fixedly installed on the inner top wall of the water washing tank 1 above the first conveyor belt 21. The spray pipe 23 is communicated with the water source, and a plurality of water spraying holes are uniformly arranged on the lower surface of the spray pipe 23. The spray pipe 23 sprays water on the surface of the first conveyor belt 21 through the water spraying holes.

[0054] Referring to Figure 1 and Figure 2 , the second conveyor belt 24 is rotatably arranged on the inner side wall of the water washing tank 1 through the second driving mechanism 25. The first conveyor belt 21 is above the liquid level in the water washing tank 1, and the second conveyor belt 24 is below the liquid level in the water washing tank 1. The second driving mechanism 25 includes two second driving wheels 33, a first transmission wheel 34, a second transmission wheel 35 and a second transmission belt 36. Both of the two second driving wheels 33 are rotatably installed on the inner side wall of the water washing tank 1, and the second conveyor belt 24 is sleeved on the two second driving wheels 33. A plurality of water passing holes 37 are uniformly arranged on the belt surface of the second conveyor belt 24. The first transmission wheel 34 is rotatably installed on the output shaft of the first driving motor 32. The second driving wheel 33 is rotatably installed on the outer side wall of the water washing tank 1 and is coaxially and rotatably arranged with one of the two second driving wheels 33. The second transmission belt 36 is sleeved on the first transmission wheel 34 and the second transmission wheel 35.

[0055] Reference Figure 1 and Figure 2 The first drive motor 32 is started to drive the first conveyor belt 21 to rotate, and at the same time drives the first transmission wheel 34 to rotate. The rotation of the first transmission wheel 34 drives the second transmission belt 36 to rotate. The second transmission belt 36 rotates the second transmission wheel 35. The rotation of the second transmission wheel 35 drives the second drive wheel 33 to rotate. The rotation of the second drive wheel 33 drives the second conveyor belt 24 to rotate, thereby realizing the synchronous rotation of the second conveyor belt 24 and the first conveyor belt 21.

[0056] Reference Figure 1 and Figure 2 A water outlet 11 is provided on the side wall of the washing tank 1 located on the side of the second conveyor belt 24 away from the first conveyor belt 21, and runs horizontally through the side wall of the washing tank 1. The height of the water outlet 11 is flush with the height of the liquid level in the washing tank 1. An inclined guide plate 14 is fixedly installed on the side wall of the washing tank 1 below the water outlet 11. One end of the guide plate 14 is connected to the side wall of the washing tank 1, and the other end of the guide plate 14 contacts the upper surface of the second conveyor belt 24. The height of the end of the guide plate 14 connected to the side wall of the washing tank 1 is higher than the height of the end contacting the second conveyor belt 24.

[0057] Reference Figure 1 and Figure 2 After the cloth enters the washing tank 1, it first moves to the first conveyor belt 21, the spray pipe 23 starts to flush the upper surface of the cloth on the first conveyor belt 21, and the first drive motor 32 starts to drive the first conveyor belt 21 to rotate, and the rotation of the first conveyor belt 21 drives the cloth to move. Under the action of the water sprayed by the spray pipe 23, the cloth is evenly and tightly attached to the first conveyor belt 21 and moves with the rotation of the first conveyor belt 21. After the cloth moves off the first conveyor belt 21, it first falls into the water in the washing tank 1.

[0058] Reference Figure 1 and Figure 2 When the density of the cloth is greater than the density of water, the cloth sinks in the water and moves to the second conveyor belt 24. The rotation of the second conveyor belt 24 drives the cloth to move. Since water holes 37 are provided on the surface of the second conveyor belt 24, the lower surface of the cloth can be washed with water when the cloth moves with the second conveyor belt 24. The washed cloth is discharged from the water outlet 11 through the guide plate 14 under the action of the second conveyor belt 24.

[0059] Reference Figure 1 and Figure 2When the density of the cloth is less than the density of water, the cloth floats on the water surface. At the same time, since the water flows out to the water outlet 11 and the second conveyor belt 24 rotates under the action of the second driving mechanism 25, the water above the second conveyor belt 24 will flow along the rotation direction of the second conveyor belt 24, thereby driving the floating cloth to move. While the cloth moves, the water washing work on the lower surface is completed, and then it is discharged from the water outlet 11.

[0060] Reference Figure 1 and Figure 2 The washing tank 1 is provided with a water return mechanism 4 for recycling the water discharged from the water outlet 11, and the water return mechanism 4 includes a water return tank 41, a filter assembly 42 and a water return pipe 43. The water return tank 41 is fixedly mounted on the outer wall of the washing tank 1 where the water outlet 11 is opened and is located below the water outlet 11. The upper opening of the water return tank 41 is in an open state, and the water flowing out of the water outlet 11 flows into the water return tank 41 along the side wall of the washing tank 1.

[0061] Reference Figure 2 and Figure 3 The filter assembly 42 is arranged on the return water tank 41 and is used to filter the water entering the return water tank 41. The filter assembly 42 includes a mounting frame 44, a filter screen 45 and a stopper 46. The mounting frame 44 is fixedly connected to the inner wall of the return water tank 41. The filter screen 45 is placed on the upper surface of the mounting frame 44. The stopper 46 is arranged on the return water tank 41 and is used to limit the position of the filter screen 45 on the mounting frame 44.

[0062] Reference Figure 2 and Figure 3 The limiting member 46 includes a limiting block 47 and a limiting spring 48. A horizontal sliding groove 12 is provided on the inner wall of the return water tank 41. The limiting block 47 is slidably mounted on the sliding groove 12. The limiting spring 48 is fixedly mounted on the inner bottom wall of the sliding groove 12 and connected to the limiting block 47. Under the action of the limiting spring 48, the head of the limiting block 47 passes out of the sliding groove 12 and contacts the filter 45. An arc-shaped guide surface 13 is provided on the upper surface of one end of the limiting block 47 passing out of the sliding groove 12.

[0063] Reference Figure 2 and Figure 3 One end of the return pipe 43 is fixedly installed at the bottom of the return tank 41 and communicated with the inside of the return tank 41, and the other end of the return pipe 43 is connected to the spray pipe 23 and communicated with the inside of the spray pipe 23. A pump 15 is installed on the return pipe 43. After the water flows out from the water outlet 11, it enters the return tank 41. The filter 45 filters out the impurities after the cloth is washed from the water, and the filtered water accumulates at the bottom of the return tank 41. Then the pump 15 is started to guide the filtered water back to the spray pipe 23 through the return pipe 43 for reuse, thereby completing the work of reusing the water derived from the water outlet 11, saving water resources and reducing production costs.

[0064] The working principle of the embodiments of the present application is as follows:

[0065] After the fabric is placed on the first conveyor belt 21, the spray pipe 23 is activated to flush and wash the upper surface of the fabric on the first conveyor belt 21. The first drive motor 32 is activated to drive the first conveyor belt 21 to rotate. The rotation of the first conveyor belt 21 drives the fabric to move. Under the action of the water sprayed by the spray pipe 23, the fabric is evenly attached to the first conveyor belt 21 and moves with the rotation of the first conveyor belt 21. After the fabric is removed from the first conveyor belt 21, it first falls into the water in the water washing tank 1.

[0066] The fabric with a density greater than that of water sinks in the water and moves onto the second conveyor belt 24. The second drive motor is activated to drive the second conveyor belt 24 to move. Since the water passing holes 37 are provided on the surface of the second conveyor belt 24, the fabric can wash the lower surface while moving with the second conveyor belt 24.

[0067] The fabric with a density less than that of water floats on the water surface. At the same time, since the second conveyor belt 24 rotates under the action of the second drive mechanism 25, the water body above the second conveyor belt 24 flows along the rotation direction of the second conveyor belt 24, thereby driving the fabric to move. The fabric completes the washing work of the lower surface while moving.

[0068] In the above water washing work, the fabric is evenly stressed during the moving process, greatly reducing the conveying tension on the fabric and reducing the probability of deformation or damage to the fabric surface due to excessive tension, ensuring the finished product quality of the fabric.

[0069] The above are all the preferred embodiments of the present application. The protection scope of the present application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A cloth non-tension water washing machine, characterized in that: It includes a water washing tank (1), the water washing tank (1) is communicated with a water source, the fabric enters the water washing tank (1) for water washing, and a conveying device (2) for conveying the fabric is arranged on the water washing tank (1), and the conveying device (2) includes: A first conveyor belt (21), the first conveyor belt (21) is rotatably arranged on the water washing tank (1), the fabric is placed on the upper surface of the first conveyor belt (21), and the first conveyor belt (21) is located above the liquid level in the water washing tank (1); A first driving mechanism (22), the first driving mechanism (22) is arranged on the water washing tank (1) and is used for driving the first conveyor belt (21) to rotate; A spray pipe (23), the spray pipe (23) is arranged on the water washing tank (1) and is located above the first conveyor belt (21), and the spray pipe (23) sprays water on the surface of the first conveyor belt (21); A second conveyor belt (24), the second conveyor belt (24) is rotatably arranged on the water washing tank (1), the second conveyor belt (24) is located below the liquid level in the water washing tank (1), and a plurality of water through holes (37) are uniformly arranged on the belt surface of the second conveyor belt (24); A second driving mechanism (25), the second driving mechanism (25) is arranged on the water washing tank (1) and is used for driving the second conveyor belt (24) to rotate.

2. The non-tension water washing machine for fabrics according to claim 1, wherein: The first driving mechanism (22) includes: Two first driving wheels (31), both of the two first driving wheels (31) are rotatably arranged on the water washing tank (1), and the first conveyor belt (21) is sleeved on the two first driving wheels (31); A first driving motor (32), the first driving motor (32) is arranged on the outer side wall of the water washing tank (1) and the output shaft is connected with the first driving wheel (31).

3. The non-tension water washing machine for fabrics according to claim 2, characterized in that: The second driving mechanism (25) includes: Two second driving wheels (33), both of the two second driving wheels (33) are rotatably arranged on the water washing tank (1), and the second conveyor belt (24) is sleeved on the two second driving wheels (33); A first transmission wheel (34) and a second transmission wheel (35), both the first transmission wheel (34) and the second transmission wheel (35) are rotatably arranged on the outer side wall of the water washing tank (1) and are coaxially arranged with the first driving wheel (31) and the second driving wheel (33) respectively; A second transmission belt (36), the second transmission belt (36) is sleeved on the first transmission wheel (34) and the second transmission wheel (35).

4. A cloth non-tension water washing machine according to claim 1, characterized in that: An outlet (11) is arranged on the side wall of the water washing tank (1), the height of the outlet (11) is flush with the inner liquid level height of the water washing tank (1), a guide plate (14) is arranged on the side wall of the water washing tank (1) at one end of the outlet (11) close to the second conveyor belt (24), the guide plate (14) is in an inclined state, and the lower end with a lower height of the guide plate (14) abuts against the surface of the second conveyor belt (24).

5. The fabric non-tension water washing machine according to claim 4, wherein: A water recycling mechanism (4) for recycling the water discharged from the outlet (11) is arranged on the water washing tank (1), and the water recycling mechanism (4) includes: Return water tank (41), the return water tank (41) is arranged on the outer side wall of the water washing tank (1), the upper opening of the return water tank (41) is in an open state, and the return water tank (41) receives the water flowing out from the water outlet (11); Filter assembly (42), the filter assembly (42) is arranged on the return water tank (41) and is used for filtering the water entering the return water tank (41); Return water pipe (43), one end of the return water pipe (43) is arranged at the bottom of the return water tank (41) and is internally connected to the return water tank (41), the other end of the return water pipe (43) is connected to the spray pipe (23) and is internally connected to the spray pipe (23), and a water pump (15) is arranged on the return water pipe (43).

6. The non-tension water-washing machine for fabrics according to claim 5, wherein: The filter assembly (42) includes: Installation frame (44), the installation frame (44) is arranged on the inner side wall of the return water tank (41); Filter screen (45), the filter screen (45) is placed on the installation frame (44); Limiting member (46), the limiting member (46) is arranged on the return water tank (41) and is used for limiting the position of the filter screen (45) on the installation frame (44).

7. The fabric non-tension water washing machine according to claim 6, characterized in that: The limiting member (46) includes: Limiting block (47), a horizontal sliding groove (12) is opened on the inner side wall of the return water tank (41), and the limiting block (47) is slidably installed on the sliding groove (12); Limiting spring (48), the limiting spring (48) is arranged on the sliding groove (12) and is connected to the limiting block (47), and the head of the limiting block (47) protrudes out of the sliding groove (12) under the action of the limiting spring (48) and abuts against the filter screen (45).

8. The non-tension water washing machine for fabrics according to claim 7, wherein: An arc-shaped guiding surface (13) is opened on the upper surface of the end of the limiting block (47) protruding out of the sliding groove (12).

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