CN220413745U - Tow washing device - Google Patents

Abstract

The utility model discloses a tow washing device, and relates to the technical field of tow processing. A tow washing device comprises a cleaning mechanism and a guide roller mechanism, wherein the cleaning mechanism comprises a water tank for loading cleaning liquid, and a tow enters the water tank from one end of the water tank and extends out from the other end of the water tank after being cleaned by the cleaning liquid. The guide roller mechanism comprises a fixed roller assembly and a press roller assembly, wherein the press roller assembly can be close to or far away from the bottom of the water tank along the vertical direction, so that tows can be fully pressed into cleaning liquid in the water tank. Through the lift of control compression roller subassembly, the staff can accomplish the operation of threading around the roller in the basin top, has not only made things convenient for the staff to penetrate the silk bundle in the gap between compression roller and the basin bottom, is favorable to improving the staff moreover and wears the efficiency of silk around the roller.

Description

Tow washing device

Technical Field

The utility model relates to the technical field of tow processing, in particular to a tow washing device.

Background

At present, two common industrial chemical fiber spinning processes are wet process and dry spray wet process, however, various acid solvents are needed in the two chemical fiber spinning processes, for example, dimethyl sulfoxide is adopted as a solvent for preparing polyacrylonitrile-based carbon fiber precursor slurry, and concentrated sulfuric acid and the like are adopted as a solvent for preparing aramid 1414 fiber slurry. Therefore, the chemical fiber tows manufactured by the chemical fiber spinning process need to be subjected to water washing or alkali washing after the chemical fiber tows are formed, and if the water washing or alkali washing is not thorough, the quality of finished product silks is seriously affected.

Most of the common tow cleaning machines on the market at present are a whole water tank, then clean water or alkaline water used for alkaline cleaning and other cleaning liquids are poured into the water tank, and a press roller or a ceramic rod is arranged at the bottom of the water tank and used for pressing the tows, so that the tows are fully immersed in the cleaning liquid, and meanwhile, the tows are prevented from floating. Before cleaning, a worker stretches the tows into the water tank from one end of the water tank, then penetrates the tows into a gap between the press roller and the bottom of the water tank, then pours cleaning liquid into the water tank, and finally pulls the tows at the other end of the water tank, so that the tows fully pass through the cleaning liquid, and dipping cleaning of the tows is achieved.

However, when the water tank is deep, the side wall of the water tank is very obstructing the staff from performing various operations, resulting in that the operation of threading the tow into the gap between the press roller and the bottom of the water tank becomes very inconvenient. And the compression roller is fixed at the bottom of the water tank, so that when larger tows are encountered, the tows are difficult to penetrate into a gap between the compression roller and the bottom of the water tank, and the device has certain limitation.

Disclosure of Invention

In order to facilitate the staff to penetrate the gap between compression roller and the basin bottom with the silk bundle, improve the efficiency of threading around the roller, this application provides a silk bundle washing device.

The application provides a silk bundle washing device adopts following technical scheme:

the tow washing device comprises a washing mechanism and a guide roller mechanism, wherein the washing mechanism comprises a water tank for loading washing liquid, the water tank is divided into a primary washing area, an alkaline washing area and a fine washing area, the primary washing area, the alkaline washing area and the fine washing area are sequentially arranged, and partition baffles are arranged between adjacent areas;

the guide roller mechanism comprises a fixed roller assembly and a press roller assembly. The fixed roller assembly is arranged above the water tank, and the compression roller assembly can be close to or far away from the bottom of the water tank along the vertical direction.

Through adopting above-mentioned technical scheme, the bottom that the compression roller subassembly can be close to or keep away from the basin along vertical direction, when the staff is wearing the silk, can rise compression roller subassembly to a certain extent earlier, then carry out the silk operation of wearing, drive the silk bundle with compression roller subassembly again and descend to the bottom of basin at last, the operation with the silk bundle around the roller has been accomplished. Therefore, the filament bundles do not need to be penetrated into the ceramic rod or the press roller at the bottom of the water tank by a worker, the filament bundles are conveniently penetrated by the worker to wind the roller, and the efficiency of filament penetration and winding is improved.

And through going up and down the compression roller subassembly, can adjust the distance between compression roller subassembly and the basin bottom to can adapt to the silk bundle of various different thickness sizes, improve washing device's suitability.

And divide into different regions with the basin and wash the silk bundle, enable the silk bundle to be fully washd, be favorable to improving the cleaning performance and the cleaning efficiency of silk bundle.

Optionally, the tops of the front baffle and the rear baffle of the water tank and the top of the partition baffle are connected with a first bracket, and the first bracket is rotationally connected with a steering roller.

Through adopting above-mentioned technical scheme, when the tow business turn over different regions of basin, the tow is taken at the steering roll to when the tow was pulled, the tow band moves the steering tube and rotates, thereby makes the tow can the different regions of business turn over basin smoothly, is favorable to reducing the frictional force that the tow received when business turn over different regions of basin moreover, prevents to lead to the circumstances emergence of tow wearing and tearing because of frictional force.

Optionally, the surface of the steering roller is provided with a plurality of annular grooves, and the annular grooves are uniformly distributed along the length of the steering roller.

Through adopting above-mentioned technical scheme, when the silk bundle is around on turning to the roller, the big silk bundle card of bundle goes into the annular groove to divide into a plurality of little silk bundles through a plurality of annular groove, increased the silk bundle in the area of contact of basin with the washing liquid, be favorable to improving the cleaning performance and the cleaning efficiency of silk bundle.

Optionally, the fixed roller assembly comprises a second bracket installed at the top of the side wall of the water tank, and the second bracket is rotationally connected with a fixed roller; the compression roller assembly comprises a third support arranged at the top of the side wall of the water tank, a compression roller arranged on the third support and a lifting component, wherein the lifting component is used for controlling the compression roller to be close to or far away from the bottom of the water tank along the vertical direction, and when the compression roller is farthest from the bottom of the water tank, the distance from the bottom of the compression roller to the bottom of the water tank is greater than the distance from the top of the fixed roller to the bottom of the water tank.

Through adopting above-mentioned technical scheme, when the compression roller is furthest from the basin bottom, the distance of compression roller bottom to the basin bottom is greater than the distance of fixed roller top to the basin bottom, because fixed roller and turn to the roller and be located same horizontal plane, then when the compression roller risees to the highest point, leave certain gap between compression roller and fixed roller and the turn to the roller. When the workers pass through the water washing device, the workers can directly pass the tows through gaps among the pressing roller, the fixed roller and the steering roller, then the tows are pressed into the cleaning liquid of the water tank through the lifting component, and at the moment, the tows fully wind the roller and keep certain tension, so that the workers are not required to manually pass the tows into the pressing roller positioned at the bottom of the water tank, and the threading efficiency of the water washing device before working is improved.

Optionally, a sliding rail is connected to the inner side of the third bracket, the sliding rail vertically extends to the bottom of the water tank, two ends of the press roller are rotatably connected with sliding blocks, and the sliding blocks are in sliding connection with the sliding rail;

the lifting part comprises a lifting driving piece and a lifting frame, the lifting driving piece is arranged on the third support, the driving end of the lifting driving piece is connected with the lifting frame, and two ends of the lifting frame are respectively connected with the two sliding blocks.

Through adopting above-mentioned technical scheme, utilize the flexible end drive crane of lift driving piece and slider to slide from top to bottom along the slide rail to drive the compression roller along vertical direction to be close to or keep away from the bottom of basin, realize the lift of compression roller.

Optionally, the primary washing area is provided with at least two groups of press rolls; the alkaline washing area is at least provided with a group of fixed roller assemblies and two groups of press roller assemblies, and the two groups of press roller assemblies are positioned at the front end and the rear end of the fixed roller assemblies; the fine washing area is provided with at least two groups of press roller assemblies.

By adopting the technical scheme, the fixed roller assemblies and the compression roller assemblies with different numbers are arranged in different areas of the water tank, and the cleaning time of the fixed roller assemblies and the compression roller assemblies can be controlled according to different areas of the water tank. At least two groups of press rolls are arranged in the initial washing area, so that the tows can be soaked in the cleaning liquid for a long time, and the tows can be primarily cleaned and the surface acidic solvent can be diluted in the initial washing area. The alkali washing area is at least provided with one group of fixed roller assemblies and two groups of press roller assemblies, the time for soaking the tows in alkaline water can be reduced through the fixed roller assemblies arranged in the middle, but the soaking times of the tows are increased through the two press roller assemblies, so that the influence on the tows caused by long-time soaking in the alkaline water is reduced, and the acid solvent on the tows can be fully neutralized through repeated soaking for many times. At least two groups of press rolls are arranged in the fine washing area, and the two groups of press roll assemblies can keep tows immersed in the cleaning liquid for a long time, so that the tows can be fully cleaned and diluted by alkaline water brought by the alkaline washing area, and the final cleaning quality is improved.

Optionally, the bottom outside of basin is connected with drainage subassembly, drainage subassembly include the drain pipe, with a plurality of drainage branch pipe of drain pipe intercommunication each other and set up in drain valve on the drainage branch pipe, the initial wash district the alkali wash district and the bottom in fine wash district all is provided with the outlet, the drainage branch pipe with the outlet intercommunication each other.

Through adopting above-mentioned technical scheme, the different regions of basin all are provided with the outlet to communicate each other with the drain pipe through the drain branch pipe, open the drain valve, the washing liquid of dress in the different regions of basin gets into the drain branch pipe from the outlet, and fully discharges from the drain pipe. Not only can singly drain or change water in different areas of the water tank, but also is beneficial to saving water resources.

Optionally, the overflow mouth has been seted up at the inboard top of basin both sides lateral wall, the inside of basin both sides lateral wall is provided with the overflow pipe, the one end of overflow pipe with the overflow mouth intercommunication, the other end of overflow pipe with the drain pipe intercommunication.

By adopting the technical scheme, when the cleaning liquid is too full, the cleaning liquid can directly flow into the overflow pipe from the overflow port and flow into the liquid discharge pipe along the overflow pipe to be fully discharged. And the device is also beneficial to preventing the cleaning solution from overflowing from the side walls at two sides of the water tank when the press roller assembly presses the tows into the cleaning solution, thereby causing the pollution of the surrounding environment of the equipment.

In summary, the implementation of the present application has at least any one of the following beneficial effects:

1. through the lift of control compression roller subassembly, the staff accomplishes the operation back of threading around the roller in the basin top, and compression roller subassembly presses the silk bundle to the bottom of basin again, does not need the staff to penetrate the ceramic stick or the compression roller that are located the basin bottom with the silk bundle on, has made things convenient for the staff to carry out the threading around the roller, is favorable to improving the efficiency of threading around the roller.

2. The distance between the compression roller assembly and the bottom of the water tank can be adjusted by controlling the lifting of the compression roller assembly, so that the water washing device can be adapted to tows with different thicknesses, and the suitability of the water washing device is improved.

Drawings

Fig. 1 is a schematic structural view of a tow washing device according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a cleaning mechanism in a tow washing device according to an embodiment of the present application.

Fig. 3 is a left side view of a tow washing device according to an embodiment of the present application, with the press roll in a lowered-to-bottom state.

Fig. 4 is a cross-sectional view of A-A in fig. 3.

Fig. 5 is a cross-sectional view of B-B in fig. 3.

Fig. 6 is a left side view of a tow washing device according to an embodiment of the present application, in which the press roller is in a state of rising to the highest point.

Fig. 7 is a cross-sectional view of C-C of fig. 6.

Fig. 8 is a schematic structural view of a press roll assembly in a tow washing apparatus according to an embodiment of the present application, in which the press roll is in a state of being lowered to the lowest point.

Reference numerals illustrate:

1. a cleaning mechanism; 11. a water tank; 111. a primary washing area; 112. an alkaline washing area; 113. a fine washing area; 114. partition baffles; 115. a water outlet; 116. an overflow port; 117. an overflow pipe; 12. a steering assembly; 121. a first bracket; 122. a steering roller; 1221. an annular groove; 13. a drainage assembly; 131. a drain pipe; 132. a water discharge branch pipe; 133. a drain valve; 2. a guide roller mechanism; 21. a fixed roller assembly; 211. a second bracket; 212. a fixed roller; 22. a press roll assembly; 221. a third bracket; 2211. a bracket leg; 2212. a cross frame; 222. a press roller; 223. a lifting member; 2231. a lifting driving member; 2232. a lifting frame; 224. a slide rail; 225. a sliding block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8.

The embodiment of the application discloses a silk bundle washing device. Referring to fig. 1, a strand washing apparatus includes a washing mechanism 1 and a guide roller mechanism 2, wherein the washing mechanism 1 includes a water tank 11 for loading a washing liquid, and the strand enters the water tank 11 from one end of the water tank 11 and protrudes from the other end of the water tank 11 after being washed with the washing liquid. The guide roller mechanism 2 is installed above the water tank 11 for guiding the movement direction of the tow in the water tank 11 so that the tow can be sufficiently immersed in the cleaning liquid and can protrude from the other end of the water tank 11.

Referring to fig. 1 and 2, the water tank 11 is divided into a primary washing zone 111, an alkaline washing zone 112 and a fine washing zone 113 in this order from the end where the filament bundles enter, and partition baffles 114 are provided between adjacent zones, the partition baffles 114 separating the cleaning liquid loaded in the primary washing zone 111, the alkaline washing zone 112 and the fine washing zone 113. Specifically, the cleaning solution loaded in the primary cleaning zone 111 is clean water, and is mainly used for primarily cleaning the tows, and the acidic solvent attached to the surface of the tows is diluted as much as possible; the cleaning liquid loaded in the alkaline cleaning area 112 is alkaline water and is mainly used for neutralizing the residual acid solvent on the tows; the cleaning liquid loaded in the fine cleaning zone 113 is clean water, and is mainly used for further cleaning the filament bundles and removing the alkaline water remained after the filament bundles enter the alkaline cleaning zone 112.

Referring to fig. 1 and 2, the cleaning mechanism 1 further includes a diverter assembly 12 for allowing the tow to smoothly enter and exit the various regions of the trough 11. The steering assembly 12 comprises a first bracket 121 and a steering roller 122, wherein the first bracket 121 is arranged on two sides of the tops of the front baffle and the rear baffle of the water tank 11 and two sides of the tops of the partition baffles 114, the steering roller 122 is rotationally connected with the first bracket 121, and the length direction of the steering roller 122 is mutually perpendicular to the length direction of the water tank 11. The tow passes over the rotating rollers into and out of the different areas of the trough 11.

Referring to fig. 1 and 2, the surface of the steering roller 122 is provided with a plurality of annular grooves 1221, and the plurality of annular grooves 1221 are uniformly arranged and distributed along the length direction of the steering roller 122. When the tows are lapped on the turning roller 122, the turning roller 122 can split the bundled large tows into a plurality of small tows through the annular groove 1221, so that the contact area of the tows and cleaning liquid in the water tank 11 is increased, and the cleaning efficiency of the tows is improved.

Referring to fig. 2 and 3, the bottom of the sump 11 is provided with a drain assembly 13 for draining a cleaning liquid, the drain assembly 13 including a drain pipe 131, a plurality of drain branches 132 extending from sides of the drain pipe 131, and a drain valve 133 installed on the drain branch 132, wherein the drain branch 132 and the drain pipe 131 communicate with each other. Specifically, drain outlets 115 are formed at bottoms of different areas of the water tank 11, and drain branch pipes 132 are connected to the drain outlets 115 and communicate with the inside of the water tank 11 through the drain outlets 115. When the drain valve 133 is opened, the cleaning liquid can be sufficiently discharged along the drain branch 132.

Referring to fig. 2 and 4, a plurality of overflow ports 116 are formed at the top of the inner sides of the side walls of the both sides of the water tank 11, overflow pipes 117 are provided in the inner sides of the side walls of the both sides of the water tank 11, one ends of the overflow pipes 117 are communicated with the overflow ports 116, and the other ends of the overflow pipes 117 are communicated with a drain pipe 131. When the cleaning liquid is too full, the cleaning liquid directly flows into the overflow pipe 117 from the overflow port 116 and flows into the liquid discharge pipe along the overflow pipe 117 to be fully discharged, so that the cleaning liquid can be prevented from overflowing from the side walls of the two sides of the water tank 11, and the environmental pollution around the equipment is avoided.

Referring to fig. 1 and 5, the guide roller mechanism 2 includes a fixed roller assembly 21 and a press roller assembly 22. Wherein the fixed roller assembly 21 is fixed, and the press roller assembly 22 can be vertically moved toward or away from the bottom of the water tank 11, thereby being used for sufficiently pressing the tow into the cleaning liquid of the water tank 11.

Referring to fig. 1 and 5, the fixed roller assembly 21 includes a second bracket 211 and a fixed roller 212, wherein the second bracket 211 is installed on the top of both side walls of the tub 11 and extends vertically upward, and the fixed roller 212 is disposed between the second brackets 211 of both sides and rotatably connected with the second bracket 211. The height of the first bracket 121 is the same as that of the second bracket 211, so that the fixed roller 212 and the steering roller 122 are both positioned on the same horizontal plane.

Referring to fig. 6, 7 and 8, the press roller assembly 22 includes a third bracket 221, a press roller 222, and a lifting member 223 for driving the press roller 222 to move up and down. The third bracket 221 is a portal structure, and the third bracket 221 includes bracket legs 2211 located at both sides of the third bracket 221 and a cross frame 2212 located at the top of the third bracket 221. Two legs 2211 are respectively installed on top of both side walls of the water tank 11, a cross frame 2212 is installed at one end of the legs 2211 far from the water tank 11, and the two legs 2211 are connected to each other. The inner side of the support leg 2211 is provided with a slide rail 224, one end of the slide rail 224 is connected with the cross frame 2212, and the other end of the slide rail 224 extends to the bottom of the water tank 11 along the vertical direction. The two ends of the press roller 222 are rotatably connected with a sliding block 225, and the sliding block 225 is in sliding connection with the sliding rail 224. The fixed roller 212 can slide along the slide rails 224 at the two sides through the slide blocks 225 at the two ends to realize up-and-down lifting.

Referring to fig. 8, the lifting member 223 includes a lifting driving member 2231 and a lifting frame 2232, wherein the lifting driving member 2231 is a driving device capable of driving the sliding block 225 to slide along the sliding rail 224, and in this embodiment, the lifting driving member 2231 is a cylinder. Specifically, the air cylinder is mounted on one side of the cross frame 2212, which is away from the water tank 11, the telescopic end of the air cylinder passes through the cross frame 2212 and is connected with the lifting frame 2232, and two sides of the lifting frame 2232 are respectively connected with the sliding blocks 225 at two ends of the fixed roller 212, so that when the air cylinder stretches, the air cylinder drives the sliding blocks 225 to slide along the sliding rail 224 through the lifting frame 2232, and the automatic lifting of the fixed roller 212 is realized.

Referring to fig. 7, when the cylinder drives the pressing roller 222 to rise to the highest, the distance from the bottom of the pressing roller 222 to the bottom of the water tank 11 is greater than the distance from the top of the fixed roller 212 to the bottom of the water tank 11, and when the cylinder drives the pressing roller 222 to fall to the lowest, the pressing roller 222 can drive the tow and be fully immersed in the cleaning liquid.

Referring to fig. 5, in order to allow the tow to be sufficiently washed, different areas of the water tank 11 are provided with guide roller combinations composed of different numbers of fixed roller assemblies 21 and press roller assemblies 22, respectively.

Specifically, the primary washing area 111 is provided with at least one set of guide roller assemblies, and any one set of guide roller assemblies at least includes two sets of press roller assemblies 22, and in this embodiment, the primary washing area 111 is provided with two sets of press roller assemblies 22 in total. When the two sets of press roll assemblies 22 press the tows into the clear water, the tows can be kept immersed in the clear water for a long time by the two sets of press roll assemblies 22, so that the acidic solvent on the surface of the tows is sufficiently diluted.

The alkaline washing area 112 is provided with at least one set of guide roller combination, and any set of guide roller combination at least comprises one set of fixed roller assembly 21 and two sets of press roller assemblies 22, in this embodiment, the alkaline washing area 112 is provided with one set of fixed roller assembly 21 and two sets of press roller assemblies 22, wherein the two sets of press roller assemblies 22 are respectively located at two sides of the fixed roller assembly 21. When one group of press roller assemblies 22 press the tows into the alkaline water, the fixed roller assemblies 21 drag out the tows from the alkaline water quickly, then the other group of press roller assemblies 22 press the tows into the alkaline water again, the time for soaking the tows in the alkaline water is reduced through the fixed roller assemblies 21 arranged in the middle, but the soaking times of the tows are increased by the two press roller assemblies 22, so that the influence on the tows caused by long-time soaking in the alkaline water is reduced, and the acid solvent on the tows can be fully neutralized by repeated soaking for many times.

The finishing zone 113 is provided with at least one set of guide roller assemblies, any one set of guide roller assemblies comprising at least two sets of press rollers 222, and in this embodiment, the primary zone 111 is provided with two sets of press roller assemblies 22 in total. In this embodiment, the primary wash zone 111 is provided with a total of two sets of press roll assemblies 22. When the two sets of press roller assemblies 22 press the tows into the clean water, the tows can be kept to be soaked in the clean water for a long time through the two sets of press roller assemblies 22, and the alkaline water carried by the tows passing through the alkaline washing area 112 is sufficiently washed and diluted, so that the final washing effect is improved.

The implementation principle of the tow washing device in the embodiment of the application is as follows:

before the silk bundle is cleaned by using the washing device, the compression roller 222 is lifted by the air cylinder, the silk bundle is penetrated between the compression roller 222 and the fixed roller 212 and the steering roller 122, and then the compression roller 222 is controlled to descend by the air cylinder, so that the silk bundle is pressed into the cleaning pool of the water tank 11 by the compression roller 222, and the silk threading process of staff is greatly facilitated.

The water tank 11 is divided into three areas, namely a primary washing area 111, an alkaline washing area 112 and a fine washing area 113, through which tows pass in sequence. The primary cleaning zone 111 primarily cleans the tows, and dilutes the acidic solvent attached to the surfaces of the tows as much as possible; the caustic wash zone 112 primarily neutralizes the residual acidic solvent on the tow; the fine washing zone 113 primarily provides further cleaning of the tow and removal of the alkaline water remaining after the tow has passed through the alkaline washing zone 112. The three areas clean the tows in sequence in different degrees, thereby greatly improving the cleaning effect.

The steering roller 122 is arranged above the different areas of the water tank 11, a plurality of annular grooves 1221 are formed in the surface of the steering roller 122, when tows are lapped on the steering roller 122, the steering roller 122 can split the bundled large tows into a plurality of small tows through the annular grooves 1221, so that the contact area of the tows in the water tank 11 with cleaning liquid is increased, and the cleaning efficiency of the tows is improved.

The present embodiment is merely illustrative of the present application and is not limiting of the present application, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as necessary, but are protected by patent laws within the scope of the claims of the present application.

Claims (8)

1. A tow washing device, characterized in that: the cleaning device comprises a cleaning mechanism (1) and a guide roller mechanism (2), wherein the cleaning mechanism (1) comprises a water tank (11) for loading cleaning liquid, the water tank (11) is divided into a primary washing area (111), an alkaline washing area (112) and a fine washing area (113), the primary washing area (111), the alkaline washing area (112) and the fine washing area (113) are sequentially arranged, and partition baffles (114) are arranged between adjacent areas;

the guide roller mechanism (2) comprises a fixed roller assembly (21) and a press roller assembly (22), wherein the fixed roller assembly (21) is arranged above the water tank (11), and the press roller assembly (22) can be close to or far away from the bottom of the water tank (11) along the vertical direction.

2. A tow washing device according to claim 1, wherein: the top of front baffle and back baffle of basin (11) and the top of subregion baffle (114) all are connected with first support (121), first support (121) rotate and are connected with steering roller (122).

3. A tow washing device according to claim 2, wherein: the surface of the steering roller (122) is provided with a plurality of annular grooves (1221), and the annular grooves (1221) are uniformly distributed along the length of the steering roller (122).

4. A tow washing device according to claim 2, wherein: the fixed roller assembly (21) comprises a second bracket (211) arranged at the top of the side wall of the water tank (11), and the second bracket (211) is rotatably connected with a fixed roller (212);

the compression roller assembly (22) comprises a third bracket (221) arranged at the top of the side wall of the water tank (11), a compression roller (222) arranged on the third bracket (221) and a lifting component (223), wherein the lifting component (223) is used for controlling the compression roller (222) to be close to or far away from the bottom of the water tank (11) along the vertical direction, and when the compression roller (222) is furthest away from the bottom of the water tank (11), the distance from the bottom of the compression roller (222) to the bottom of the water tank (11) is greater than the distance from the top of the fixed roller (212) to the bottom of the water tank (11).

5. The tow washing device of claim 4, wherein: the inner side of the third bracket (221) is connected with a sliding rail (224), the sliding rail (224) vertically extends to the bottom of the water tank (11), two ends of the pressing roller (222) are rotatably connected with sliding blocks (225), and the sliding blocks (225) are in sliding connection with the sliding rail (224);

the lifting component (223) comprises a lifting driving piece (2231) and a lifting frame (2232), the lifting driving piece (2231) is mounted on the third bracket (221), the driving end of the lifting driving piece (2231) is connected with the lifting frame (2232), and two ends of the lifting frame (2232) are respectively connected with the two sliding blocks (225).

6. The tow washing device of claim 4, wherein: the primary washing area (111) is provided with at least two groups of press rolls (222); the alkaline washing area (112) is at least provided with one group of fixed roller assemblies (21) and two groups of press roller assemblies (22), and the two groups of press roller assemblies (22) are positioned at the front end and the rear end of the fixed roller assemblies (21); the fine washing area (113) is provided with at least two sets of press roll assemblies (22).

7. A tow washing device according to claim 1, wherein: the bottom outside of basin (11) is connected with drainage subassembly (13), drainage subassembly (13) include drain pipe (131), with a plurality of drain branch pipe (132) of drain pipe (131) intercommunication each other and set up in drain valve (133) on drain branch pipe (132), initial wash district (111) alkaline wash district (112) and the inside outlet (115) that all is provided with in bottom of fine wash district (113), drain branch pipe (132) with outlet (115) intercommunication each other.

8. The strand washing device as claimed in claim 7, wherein: overflow port (116) have been seted up at the inboard top of basin (11) both sides lateral wall, the inside of basin (11) both sides lateral wall is provided with overflow pipe (117), the one end of overflow pipe (117) with overflow port (116) intercommunication, the other end of overflow pipe (117) with drain pipe (131) intercommunication.