Efficient washing machine for oxygen bleaching and whitening of cotton fabric

Abstract

The utility model relates to an efficient washing machine for oxygen bleaching and whitening of cotton fabrics, and relates to the technical field of printing and dyeing machinery, the efficient washing machine comprises a rack and a washing machine body arranged on the rack, and the rack is provided with a water changing device for circularly changing water in the washing machine body. Water is added into the washing machine body through the water adding pipe, the water in the washing machine body flows into the water changing box through the first water changing pipe, and the water filtering mechanism in the water changing box filters and purifies the water entering the water changing box; the water body filtered and purified by the water filtering mechanism is pumped into the second water changing pipe through the water suction pump and is guided back into the washing machine body for recycling, so that the water body in the washing machine body flows, and the work of changing water while washing the cloth by the washing machine body is realized; the idle time of the washing machine body due to water change shutdown is greatly shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of printing and dyeing machinery, and in particular to a high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics. Background Art

[0002] One-bath oxygen bleaching and whitening of cotton knitted fabrics is an energy-saving, water-saving and cost-reducing process, which is widely used in modern dyeing factories. In the printing and dyeing factory, the fabric is oxygen bleached and whitened, then washed and taken out of the tank, so as to effectively remove the pigments and impurities in the fabric, making the fabric appear brighter and whiter.

[0003] In the related art, reference can be made to the Chinese utility model patent with authorization announcement number CN208472360U, which discloses a water washing machine, including a box body, a water washing box arranged at the lower side of the box body, a cloth guide roller arranged in the box body, and a driving mechanism arranged on the box body and used to drive the cloth guide roller to rotate, a water squeezing roller is slidably connected in the box body and above the cloth guide roller to press the cloth against the cloth guide roller, a slide groove is opened on the box body, a slider is slidably connected in the slide groove, and the slider is arranged at both ends of the water squeezing roller, and a swinging mechanism for driving the slider to slide back and forth in the slide groove is arranged on the side wall of the box body.

[0004] During actual use of the above-mentioned washing machine, the water in the box needs to be replaced after becoming dirty during the washing work. However, the washing work of the washing machine needs to be suspended when the water is replaced. Generally, the water volume of a washing machine is large, and the overall replacement takes a long time, which makes the washing machine idle for a long time when changing water and has low working efficiency. Directly setting the water body in the washing machine to a continuous flowing water body will greatly increase the waste of water resources and increase the production cost. Utility Model Content

[0005] In order to reduce the idle time of a washing machine and improve the working efficiency of the washing machine, the present application provides a high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics.

[0006] The present application provides a high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics, which adopts the following technical solution:

[0007] A high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics, comprising a frame and a washing machine body arranged on the frame, wherein a water changing device for circulating and replacing water in the washing machine body is arranged on the frame, and the water changing device comprises:

[0008] A water supply pipe, wherein the water supply pipe is arranged on the frame, one end of the water supply pipe is connected to a water source, and the other end of the water supply pipe is connected to the inside of the washing machine body, and the water supply pipe is used to fill water into the washing machine body;

[0009] A water changing tank, which is arranged on a frame on one side of the washing machine body;

[0010] A first water changing pipe, one end of which is arranged on the washing machine body and is communicated with the inside of the washing machine body, and the other end of the first water changing pipe is connected to the water changing tank and is communicated with the inside of the water changing tank. The water in the washing machine body flows into the water changing tank through the first water changing pipe under the action of gravity;

[0011] A water filtering mechanism, which is arranged on the water changing tank and is used for filtering and purifying the water entering the water changing tank;

[0012] A second water changing pipe, one end of which is arranged on the water changing tank and is communicated with the inside of the water changing tank, and the other end of the second water changing pipe is connected to the washing machine body and is communicated with the inside of the washing machine body;

[0013] A water pump, which is arranged on the second water changing pipe and is used for pumping the water in the water changing tank into the second water changing pipe.

[0014] By adopting the above technical solution, when the washing machine body is washing fabrics, the water adding pipe adds water into the washing machine body. The water in the washing machine body flows into the water changing tank through the first water changing pipe. The water filtering mechanism in the water changing tank filters and purifies the water entering the water changing tank. The water filtered and purified by the water filtering mechanism is then pumped into the second water changing pipe by the water pump and guided back into the washing machine body for reuse. Thus, the water in the washing machine body flows, realizing the work of washing fabrics and changing water simultaneously in the washing machine body, greatly reducing the idle time of the washing machine body caused by water changing and shutdown, improving work efficiency, and greatly saving water resources by recycling the washed wastewater.

[0015] Optionally, the water filtering mechanism includes:

[0016] A filter plate, which is arranged on the water changing tank, and the water flowing out of the first water changing pipe flows onto the filter plate;

[0017] A cleaning component, which is arranged on the water changing tank and is used for cleaning the impurities filtered out on the filter plate;

[0018] An activated carbon plate, which is arranged on the water changing tank and is located below the filter plate.

[0019] By adopting the above technical solution, the filter plate filters large particle impurities in the water flowing out of the first water changing pipe. After the filter plate filters out the impurities on the plate surface, the cleaning component cleans them. The water flowing through the filter plate flows onto the activated carbon plate, and the activated carbon plate adsorbs impurities such as dye liquor in the water, thus completing the filtering and purification work of the water changed from the washing machine body by the first water changing pipe.

[0020] Optionally, the filter plate is inclined, and the height of the filter plate near one end of the first water exchange pipe is higher than that of the other end away from the first water exchange pipe. The cleaning assembly includes:

[0021] A cleaning block which is vertically slidably arranged on the water exchange tank. The surface of the cleaning block is also inclined, and the height of the surface of the cleaning block near one end of the filter plate is higher than that of the other end away from the filter plate. The height of the highest point on the surface of the cleaning block is at the same height as the lowest point of the filter plate;

[0022] A driving cylinder which is arranged on the water exchange tank and the piston rod thereof is vertically upward and connected to the bottom of the cleaning block;

[0023] A waste collection box which is arranged on the outer side wall of the water exchange tank. A through hole communicating the waste collection box with the water exchange tank is opened on the side wall of the waste collection box connected to the water exchange tank.

[0024] By adopting the above technical solution, the filter plate is inclined, so that the impurities filtered out by the filter plate will move along the inclined plate surface to the cleaning block under the action of the water discharged from the first water exchange pipe, thereby reducing the probability of blockage of impurities on the filter plate; when the impurities accumulate on the cleaning block, the driving cylinder is started to drive the cleaning block to move, and the movement of the cleaning block drives the impurities to move. When the lowest point on the surface of the cleaning block is communicated with the through hole, the impurities on the cleaning block fall along the inclined surface of the cleaning block and enter the waste collection box, thereby completing the cleaning and collection of the impurities on the filter plate.

[0025] Optionally, an installation assembly is arranged on the water exchange tank. The activated carbon plate is detachably arranged on the water exchange tank through the installation assembly. The installation assembly includes:

[0026] An installation bottom plate which is arranged on the inner side wall of the water exchange tank;

[0027] An installation frame. An installation hole horizontally penetrating the side wall of the water exchange tank is opened on the outer side wall of the water exchange tank. The installation frame is horizontally slidably arranged on the water exchange tank and is located in the installation hole. The activated carbon plate is arranged on the installation frame, and the installation frame is placed on the installation bottom plate;

[0028] A pull plate which is arranged on the installation frame and abuts against the outer side wall of the water exchange tank.

[0029] By adopting the above technical solution, moving the pull plate drives the installation frame to move. The installation frame is moved into the installation hole, and the installation bottom plate supports the installation frame, thereby completing the installation of the activated carbon plate on the water exchange tank. When the activated carbon plate fails and needs to be replaced, only need to pull the pull plate to pull the installation frame out of the installation hole, which is convenient, fast and has high work efficiency.

[0030] Optionally, a water filling valve is provided on the water filling pipe, and a first switch and a second switch for controlling the opening and closing of the water filling valve are provided on the main body of the washing machine. Flipping the first switch opens the water filling valve, and flipping the second switch closes the water filling valve. The first switch is located at the maximum liquid level inside the main body of the washing machine, and the second switch is located at the minimum liquid level inside the main body of the washing machine. A toggling assembly is provided on the main body of the washing machine, and the toggling assembly is used to toggle the first switch or the second switch according to the height of the liquid level of the water body inside the washing machine.

[0031] By adopting the above technical solution, the first switch and the second switch are provided on the water pump of the washing machine, so that the height of the liquid level of the water body inside the washing machine can be adjusted by controlling the first switch and the second switch, so as to supplement water in time when the washing machine is short of water, and at the same time, the probability of water overflowing from the main body of the washing machine is reduced.

[0032] Optionally, the toggling assembly includes:

[0033] A toggle rod, which is vertically slidably arranged on the main body of the washing machine. The first switch is located below the toggle rod, and the second switch is located above the toggle rod;

[0034] A floating ball, which is arranged on the toggle rod.

[0035] By adopting the above technical solution, a floating ball is installed on the toggle rod, and the floating ball moves along the liquid level of the water body inside the main body of the washing machine. When the water body inside the washing machine is too little, the floating ball drives the toggle rod to contact the first switch, and the first switch opens the water filling valve, then the water filling pipe fills the main body of the washing machine with water. When the water level inside the main body of the washing machine reaches the maximum value, the floating ball drives the toggle rod to contact the second switch, and the second switch controls the water filling valve to close, thus completing the automatic adjustment of the water level inside the washing machine. There is no need for manual observation and control, which is convenient, fast and has high working efficiency.

[0036] Optionally, a horizontal waste collection hole is opened on the side wall of the waste collection box. A waste outlet frame is slidably arranged on the waste collection box. The waste outlet frame is located in the waste collection hole, and a handle is arranged on the outer side wall of the waste outlet frame.

[0037] By adopting the above technical solution, the waste outlet frame is slidably installed in the waste collection box to collect impurities entering the waste collection box. When the waste outlet frame is full of impurities, pulling the handle can take out the waste outlet frame from the waste collection box to dump the impurities and other treatments, which is convenient, fast and has high working efficiency.

[0038] Optionally, an observation window is opened on the water changing tank.

[0039] By adopting the above technical solution, an observation window is opened on the water exchange tank, so that the staff can grasp the working conditions in the water exchange tank in real time through the observation window, which is convenient for the staff to replace the activated carbon plate in time or repair other faults.

[0040] In summary, the present application includes at least one of the following beneficial technical effects:

[0041] 1. Water is added to the inside of the water washing machine through the water adding pipe. The water in the water washing machine flows into the water exchange tank through the first water exchange pipe. The water filtering mechanism in the water exchange tank filters and purifies the water body entering the water exchange tank. The water body filtered and purified by the water filtering mechanism is then pumped into the second water exchange pipe by the water pump and guided back into the water washing machine for reuse. Thus, the water body in the water washing machine flows, realizing the work of washing the fabric while changing water in the water washing machine, greatly reducing the idle time of the water washing machine caused by water change shutdown, and improving work efficiency;

[0042] 2. By arranging the filter plate obliquely, the impurities filtered out by the filter plate will move along the inclined plate surface to the cleaning block under the action of the water body discharged from the first water exchange pipe, thus reducing the probability of impurity blockage on the filter plate; when the impurities accumulate on the cleaning block, the driving cylinder starts to drive the cleaning block to move. The movement of the cleaning block drives the impurities to move. When the cleaning block moves to the lowest surface and is communicated with the through hole, the impurities on the cleaning block fall along the inclined surface of the cleaning block and enter the waste collection box, thus completing the cleaning and collection work of the impurities on the filter plate;

[0043] 3. By opening an observation window on the water exchange tank, the staff can grasp the working conditions in the water exchange tank in real time through the observation window, which is convenient for the staff to replace the activated carbon plate in time or repair other faults. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 is a three-dimensional structural schematic diagram of the present application;

[0045] Figure 2 is a structural schematic diagram of the water filtering mechanism and the installation component in the present application, in which the side wall of the water exchange tank and the side wall of the waste collection box are sectioned;

[0046] Figure 3 is Figure 1 an enlarged schematic diagram of part A in

[0047] Reference signs: 1, frame; 11, water-washing machine body; 12, first switch; 13, second switch; 2, water-changing device; 21, water supply pipe; 22, water-changing tank; 23, first water-changing pipe; 24, water filtering mechanism; 25, second water-changing pipe; 26, water pump; 27, water filling valve; 28, observation window; 31, filter plate; 32, cleaning assembly; 33, activated carbon plate; 34, cleaning block; 35, driving cylinder; 36, waste collection box; 37, waste outlet frame; 38, handle; 4, installation assembly; 41, installation bottom plate; 42, installation frame; 43, pulling plate; 5, toggling assembly; 51, toggle lever; 52, floating ball. Detailed implementation manners

[0048] The following further describes the present application in detail with reference to the Figure 1 - attached Figure 3 drawings.

[0049] An embodiment of the present application discloses an efficient water-washing machine for oxygen bleaching and whitening of cotton fabrics.

[0050] Referring to Figure 1 , the efficient water-washing machine for oxygen bleaching and whitening of cotton fabrics includes a frame 1 and a water-washing machine body 11 fixedly connected to the frame 1, and a water-changing device 2 for circulating and replacing the water in the water-washing machine body 11 is arranged on the frame 1.

[0051] Referring to Figure 1 and Figure 2 , the water-changing device 2 includes a water supply pipe 21, a water-changing tank 22, a first water-changing pipe 23, a water filtering mechanism 24, a second water-changing pipe 25 and a water pump 26. The water supply pipe 21 is fixed on the frame 1, one end of the water supply pipe 21 is communicated with a water source, the other end of the water supply pipe 21 is communicated with the inside of the water-washing machine body 11, and the water supply pipe 21 is used for filling water into the water-washing machine body 11. A water filling valve 27 is installed on the water supply pipe 21.

[0052] Referring to Figure 1 , the water-changing tank 22 is fixedly connected to the frame 1 on one side of the water-washing machine body 11. An observation window 28 is opened on the outer side wall of the water-changing tank 22. One end of the first water-changing pipe 23 is fixedly connected to the water-washing machine body 11 and is communicated with the inside of the water-washing machine body 11, and the other end of the first water-changing pipe 23 is connected to the top of the water-changing tank 22 and is communicated with the inside of the water-changing tank 22. The water in the water-washing machine body 11 flows into the water-changing tank 22 through the first water-changing pipe 23 under the action of gravity.

[0053] Referring to Figure 1 and Figure 2, a water filtering mechanism 24 is arranged on the water changing tank 22 and is used for filtering and purifying the water entering the water changing tank 22. One end of the second water changing pipe 25 is fixedly connected to the bottom of the water changing tank 22 and is communicated with the inside of the water changing tank 22, and the other end of the second water changing pipe 25 is connected to the washing machine body 11 and is communicated with the inside of the washing machine body 11. A water pump 26 is fixedly connected to the second water changing pipe 25 and is used for pumping the water in the water changing tank 22 into the second water changing pipe 25.

[0054] Referring to Figure 1 and Figure 2 , when the washing machine body 11 is washing fabrics, the water adding pipe 21 adds water into the washing machine body 11. The water in the washing machine body 11 flows into the water changing tank 22 through the first water changing pipe 23. The water filtering mechanism 24 in the water changing tank 22 filters and purifies the water entering the water changing tank 22. The water filtered and purified by the water filtering mechanism 24 is pumped into the second water changing pipe 25 by the water pump 26 and then led back into the washing machine body 11 for reuse. Thus, the water in the washing machine body 11 flows, realizing the work of washing fabrics while changing water in the washing machine body 11, greatly reducing the idle time of the washing machine body 11 caused by water changing and shutdown, improving the work efficiency, and greatly saving water resources by recycling the washed wastewater.

[0055] Referring to Figure 2 , the water filtering mechanism 24 includes a filter plate 31, a cleaning assembly 32 and an activated carbon plate 33. The filter plate 31 is fixedly connected to the inner side wall of the water changing tank 22 and is in an inclined state. The height of one end of the filter plate 31 close to the first water changing pipe 23 is higher than the height of the end far from the first water changing pipe 23. The filter plate 31 receives and filters the water flowing out of the first water changing pipe 23. The cleaning assembly 32 is arranged on the water changing tank 22 and is used for cleaning the impurities filtered out on the filter plate 31.

[0056] Referring to Figure 2 , the cleaning assembly 32 includes a cleaning block 34, a driving cylinder 35 and a waste collection box 36. The cleaning block 34 is vertically slidably installed on the inner side wall of the water changing tank 22. The cleaning block 34 is located on the side with a lower height of the filter plate 31. The upper surface of the cleaning block 34 is also in an inclined state, and the height of one end of the upper surface of the cleaning block 34 close to the filter plate 31 is higher than the height of the end far from the filter plate 31. The driving cylinder 35 is fixedly connected to the inner bottom wall of the water changing tank 22 and the piston rod is vertically upward and connected to the lower surface of the cleaning block 34. When the driving cylinder 35 drives the cleaning block 34 to be at the lowest height, the height of the highest point on the upper surface of the cleaning block 34 is at the same height as the height of the lowest point of the filter plate 31.

[0057] Referring to Figure 2, the waste collection box 36 is fixedly connected to the outer side wall of the water exchange tank 22. A through hole communicating with the inside of the water exchange tank 22 is formed in one side wall of the waste collection box 36 connected to the water exchange tank 22. The through hole is located above the cleaning block 34. A horizontal waste collection hole is formed in the side wall of the waste collection box 36 away from the water exchange tank 22. A waste outlet frame 37 is horizontally slidably mounted on the waste collection box 36, and the waste outlet frame 37 is located in the waste collection hole. A handle 38 is fixedly connected to the outer side wall of the waste outlet frame 37.

[0058] Referring to Figure 2 , after the filter plate 31 filters the water discharged from the first water exchange pipe 23, the impurities in the water are filtered out on the plate surface of the filter plate 31. Then, the impurities filtered out by the filter plate 31 will move along the inclined plate surface of the filter plate 31 under the action of the water discharged from the first water exchange pipe 23 and accumulate on the cleaning block 34. When the impurities accumulate on the cleaning block 34, the driving cylinder 35 is started to drive the cleaning block 34 to move. The movement of the cleaning block 34 drives the impurities to move. When the upper surface of the cleaning block 34 moves to the lowest position and communicates with the through hole, the impurities on the cleaning block 34 fall along the inclined surface of the cleaning block 34 and enter the waste collection box 36. The waste outlet frame 37 collects and processes the impurities, thus completing the cleaning and collection of the impurities on the filter plate 31.

[0059] Referring to Figure 2 , an installation component 4 is provided on the water exchange tank 22. The activated carbon plate 33 is detachably arranged on the water exchange tank 22 through the installation component 4. The installation component 4 includes an installation bottom plate 41, an installation frame 42 and a pull plate 43. The installation bottom plate 41 is fixedly connected to the inner side wall of the water exchange tank 22. An installation hole horizontally penetrating the side wall of the water exchange tank 22 is formed in the outer side wall of the water exchange tank 22. The installation frame 42 is horizontally slidably mounted on the water exchange tank 22 and is located in the installation hole. The activated carbon plate 33 is placed on the installation frame 42, and the installation frame 42 is placed on the installation bottom plate 41. The pull plate 43 is fixedly connected to the outer side wall of the installation frame 42 and abuts against the outer side wall of the water exchange tank 22.

[0060] Referring to Figure 1 and Figure 3 , a first switch 12 and a second switch 13 electrically connected to the water adding valve 27 are provided on the washing machine body 11. The first switch 12 and the second switch 13 are used to control the opening and closing of the water adding valve 27. Flipping the first switch 12 opens the water adding valve 27, and flipping the second switch 13 closes the water adding valve 27. The first switch 12 is located at the maximum liquid level in the washing machine body 11, and the second switch 13 is located at the minimum liquid level in the washing machine body 11. A toggling component 5 is provided on the washing machine body 11. The toggling component 5 is used to toggle the first switch 12 or the second switch 13 according to the liquid level height of the water in the washing machine.

[0061] Referring to Figure 1 and Figure 3The toggle assembly 5 includes a lever 51 and a float 52. The lever 51 is vertically slidably installed on the washing machine body 11 and is located between the first switch 12 and the second switch 13. The first switch 12 is located below the lever 51, and the second switch 13 is located above the lever 51. The float 52 is fixedly connected to the lever 51 and floats with the liquid level in the washing machine body 11. When there is too little water in the washing machine, the float 52 drives the lever 51 to contact the first switch 12, and the first switch 12 opens the water adding valve 27, and the water adding pipe 21 fills the washing machine body 11 with water. When the water level in the washing machine body 11 reaches the maximum value, the float 52 drives the lever 51 to contact the second switch 13, and the second switch 13 controls the water adding valve 27 to close, thereby completing the automatic adjustment of the water level in the washing machine.

[0062] The working principle of the embodiment of the present application is as follows:

[0063] The water adding pipe 21 adds water into the washing machine body 11, and the water in the washing machine body 11 flows into the water changing tank 22 through the first water changing pipe 23, and the filter plate 31 and the activated carbon plate 33 in the water changing tank 22 are filtered and purified. The filtered and purified water is then pumped into the second water changing pipe 25 through the water pump 26 and guided back into the washing machine body 11 for reuse, thereby making the water in the washing machine body 11 flow, realizing the work of washing the fabric while changing the water in the washing machine body 11, greatly reducing the idle time of the washing machine body 11 due to the shutdown for water changing, and improving the work efficiency.

[0064] 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 high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics, characterized in that: The invention comprises a frame (1) and a washing machine body (11) arranged on the frame (1); the frame (1) is provided with a water changing device (2) for circulating and changing water in the washing machine body (11); the water changing device (2) comprises: a water supply pipe (21), the water supply pipe (21) being arranged on the frame (1), one end of the water supply pipe (21) being connected to a water source, and the other end of the water supply pipe (21) being connected to the inside of the washing machine body (11), the water supply pipe (21) being used to supply water to the washing machine body (11); a water changing tank (22), the water changing tank (22) being arranged on a frame (1) located on one side of the washing machine body (11); a first water exchange pipe (23), one end of the first water exchange pipe (23) being arranged on the washing machine body (11) and being in communication with the interior of the washing machine body (11), the other end of the first water exchange pipe (23) being connected to the water exchange tank (22) and being in communication with the interior of the water exchange tank (22), the water in the washing machine body (11) flowing into the water exchange tank (22) through the first water exchange pipe (23) under the action of gravity; A water filtering mechanism (24), the water filtering mechanism (24) being arranged on the water changing tank (22) and being used for filtering and purifying water entering the water changing tank (22); a second water exchange pipe (25), one end of the second water exchange pipe (25) being arranged on the water exchange tank (22) and communicating with the interior of the water exchange tank (22), and the other end of the second water exchange pipe (25) being connected to the washing machine body (11) and communicating with the interior of the washing machine body (11); A water pump (26), the water pump (26) being arranged on the second water exchange pipe (25) and being used to pump water in the water exchange tank (22) into the second water exchange pipe (25).

2. A high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics according to claim 1, characterized in that: The water filtering mechanism (24) comprises: a filter plate (31), the filter plate (31) being arranged on the water exchange tank (22), and the water flowing out of the first water exchange pipe (23) flows onto the filter plate (31); a cleaning component (32), the cleaning component (32) being arranged on the water changing tank (22) and being used to clean impurities filtered out from the filter plate (31); An activated carbon plate (33), wherein the activated carbon plate (33) is arranged on the water exchange tank (22) and is located below the filter plate (31).

3. A high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics according to claim 2, characterized in that: The filter plate (31) is arranged in an inclined manner, and the height of the filter plate (31) at one end close to the first water exchange pipe (23) is higher than the height of the end away from the first water exchange pipe (23). The cleaning component (32) comprises: a cleaning block (34), the cleaning block (34) being vertically slidably disposed on the water exchange tank (22), the surface of the cleaning block (34) also being in an inclined state, the height of the surface of the cleaning block (34) at one end close to the filter plate (31) being higher than the height of the surface of the cleaning block (34) at one end away from the filter plate (31), and when the cleaning block (34) is at its lowest point, the height of the highest point of the surface of the cleaning block (34) is at the same height as the height of the lowest point of the filter plate (31); A driving cylinder (35), wherein the driving cylinder (35) is arranged on the water exchange tank (22) and the piston rod of the driving cylinder (35) is vertically connected to the bottom of the cleaning block (34); A waste collection box (36) is arranged on an outer side wall of the water changing tank (22), and a through hole is provided on the side wall where the waste collection box (36) and the water changing tank (22) are connected, so as to connect the waste collection box (36) and the water changing tank (22).

4. The high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics according to claim 2, characterized in that: The water exchange tank (22) is provided with a mounting assembly (4), and the activated carbon plate (33) is detachably mounted on the water exchange tank (22) via the mounting assembly (4), wherein the mounting assembly (4) comprises: A mounting bottom plate (41), wherein the mounting bottom plate (41) is arranged on an inner side wall of the water exchange tank (22); a mounting frame (42), wherein an outer wall of the water changing tank (22) is provided with a mounting hole which horizontally penetrates the side wall of the water changing tank (22), the mounting frame (42) being horizontally slidably arranged on the water changing tank (22) and being located in the mounting hole, the activated carbon plate (33) being arranged on the mounting frame (42), and the mounting frame (42) being placed on the mounting base plate (41); A pull plate (43), wherein the pull plate (43) is arranged on the mounting frame (42) and abuts against an outer side wall of the water exchange tank (22).

5. The high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics according to claim 1, characterized in that: The water adding pipe (21) is provided with a water adding valve (27); the washing machine body (11) is provided with a first switch (12) and a second switch (13) for controlling the opening and closing of the water adding valve (27); the water adding valve (27) is opened by turning the first switch (12); and the water adding valve (27) is closed by turning the second switch (13); the first switch (12) is located at the maximum liquid level in the washing machine body (11); and the second switch (13) is located at the minimum liquid level in the washing machine body (11); and the washing machine body (11) is provided with a toggle assembly (5); the toggle assembly (5) is used to toggle the first switch (12) or the second switch (13) according to the liquid level of the water in the washing machine.

6. A high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics according to claim 5, characterized in that: The toggle assembly (5) comprises: A lever (51), the lever (51) being vertically slidably disposed on the washing machine body (11), the first switch (12) being located below the lever (51), and the second switch (13) being located above the lever (51); A floating ball (52), wherein the floating ball (52) is arranged on the shifting rod (51).

7. The high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics according to claim 3, characterized in that: A horizontal waste collection hole is provided on the side wall of the waste collection box (36), a waste discharge frame (37) is slidably provided on the waste collection box (36), the waste discharge frame (37) is located in the waste collection hole, and a handle (38) is provided on the outer side wall of the waste discharge frame (37).

8. The high-efficiency washing machine for oxygen bleaching and whitening of cotton fabrics according to claim 1, characterized in that: The water exchange tank (22) is provided with an observation window (28).

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