Fabric washing device

Abstract

This utility model relates to a fabric washing device, comprising: a housing with an internal cavity, a conveying component inside the cavity, and a switching roller assembly positioned above the conveying component and within the cavity. The switching roller assembly includes two rotating supports, one of which has a drive fixing component on its side away from the roller. An inlet and an outlet are respectively provided on both sides of the housing. The advantages of this utility model are: by incorporating a combination structure of dual rotating supports and multi-density rollers in the switching roller assembly, coupled with the rotational connection between the fixing frame and the rotating supports, it enables the adaptive washing of various fabric materials. The switching of rollers can meet the washing needs of different fabrics, reducing the cost of purchasing multiple units and saving time on equipment replacement and debugging, significantly improving equipment versatility and production efficiency. Simultaneously, it avoids the problems of damage or incomplete cleaning caused by a single roller on different fabrics.

Description

Technical Field

[0001] This utility model relates to the field of fabric processing equipment technology, specifically to a fabric washing device. Background Technology

[0002] In the field of fabric washing equipment technology, as the core equipment of textile post-processing, the material compatibility and power transmission stability of the washing drum of the fabric washing device directly affect the cleaning effect and equipment versatility. At present, traditional fabric washing devices have significant defects in terms of multi-material fabric compatibility and power transmission reliability, making it difficult to meet diversified production needs.

[0003] In existing technologies, the cleaning drums of fabric washing devices are mostly designed with a single structure and a fixed density of roller brushes on the outside of the drum. However, in actual production, different fabrics such as cotton, linen, silk, and chemical fibers need to be processed. Traditional single-brush drums cannot meet the cleaning needs of different fabrics. If high-density roller brushes are used to clean soft fabrics, it is easy to cause the fabric to snag and deform. If low-density roller brushes are used to clean thick fabrics, there will be problems with incomplete cleaning and stain residue. On the other hand, although some washing equipment attempts to achieve multi-scenario adaptation by replacing the drum, it lacks a stable drive and fixing structure. The connection between the traditional drum and the drive motor is mostly a rigid docking. When replacing it, multiple connecting parts need to be disassembled, which is cumbersome and time-consuming. The traditional connection structure lacks a precise positioning mechanism. After replacing the drum, the coaxiality needs to be repeatedly calibrated, which further increases the complexity of operation and makes it difficult to meet the needs of efficient production. Utility Model Content

[0004] To address the shortcomings of existing technologies, this application provides a fabric washing device that can solve the problems of difficulty in adapting to the washing of various fabric materials and lack of a stable power transmission structure.

[0005] This utility model provides the following technical solution: a fabric washing device, comprising: a box body, an interior cavity, a conveying assembly inside the cavity, a switching roller assembly above the conveying assembly and located inside the cavity, the switching roller assembly including two fixed brackets fixedly connected to the top of the cavity, a rotating bracket rotatably connected to the adjacent ends of the two fixed brackets, multiple rollers arranged between the two rotating brackets, both ends of the multiple rollers being rotatably connected to the adjacent sides of the two rotating brackets via rollers and bearings, roller brushes of different densities fixedly connected to the outer walls of the multiple rollers, a drive fixing assembly arranged on the side of one of the rotating brackets away from the rollers, and a feed through hole and a discharge through hole respectively opened on both sides of the box body.

[0006] As a preferred embodiment of the present invention, the conveying assembly includes a conveying cylinder rotatably connected to the two side walls of the cavity via a rotating shaft and bearings. A first fixed frame is fixedly connected to the outer side wall of the housing. A first drive motor is fixedly connected to the top of the first fixed frame. The output end of the first drive motor passes through the housing and extends into the cavity and is fixedly connected to one end of one of the rotating shafts.

[0007] As a preferred embodiment of this utility model, the conveying assembly further includes a rotating rod, and two fixed plates are fixedly connected to the inner side wall of the cavity. The rod body passes through the two fixed plates and is rotatably connected to the two fixed plates.

[0008] As a preferred embodiment of this utility model, the two ends of the rotating rod are fixedly connected with first bevel gears, and the outer sides of the two rotating shafts near the first drive motor are fixedly connected with second bevel gears, and the two second bevel gears mesh with the corresponding first bevel gears respectively.

[0009] Preferably, the drive fixing assembly includes a connecting block fixedly connected to one end of a roller of multiple rollers. A limiting groove is formed at the bottom of the connecting block. An installation groove is formed at the end of the connecting block away from the roller, extending to one side of the limiting groove. A sliding sleeve is sleeved on the outside of the connecting block. A drive sleeve is sleeved on the outside of the sliding sleeve. An axial keyway is provided on the outer wall of the sliding sleeve. A protrusion adapted to the keyway is provided on the inner wall of the drive sleeve. The sliding sleeve and the drive sleeve are slidably connected through the axial keyway and the protrusion.

[0010] As a preferred embodiment of this utility model, a sliding groove is provided inside the sliding sleeve, and two racks are slidably connected inside the sliding groove. A return spring is fixedly connected between the opposite side of the two racks and the side near the inner wall of the sliding groove.

[0011] As a preferred embodiment of this utility model, a rotating shaft is rotatably connected to the bottom of the inner side of the slide groove. The top of the rotating shaft passes through the sliding sleeve and extends to its outer side, where a knob is fixedly connected. A gear is fixedly connected to the outer side of the rotating shaft and inside the sliding sleeve, and the gear meshes with two racks.

[0012] As a preferred embodiment of this utility model, a second fixing frame is fixedly connected to the outer wall of the box, a second drive motor is fixedly connected to the top of the second fixing frame, and an installation through hole is opened on the outer wall of the box at the location of the second drive motor. The output end of the second drive motor is fixedly connected to one end of the drive sleeve.

[0013] As a preferred embodiment of this utility model, a mounting plate is fixedly connected to the outer wall of the fixed frame, a hydraulic cylinder is fixedly connected to the top of the mounting plate, a positioning pin is fixedly connected to the output end of the hydraulic cylinder, and multiple positioning holes are opened on one side of the rotating bracket. The end of the positioning pin away from the hydraulic cylinder passes through the fixed frame and is embedded in one of the positioning holes on one side of the rotating bracket.

[0014] The beneficial effects of this utility model are: 1. In this utility model, by setting a combination structure of double rotating bracket and multi-density roller brush in the switching roller assembly, and with the rotational connection between the fixed frame and the rotating bracket, the adaptive cleaning of multiple fabric materials can be achieved. During operation, according to the material of the fabric to be cleaned, the rotating bracket is rotated to switch the roller with the corresponding roller brush density to the working position in contact with the fabric. Then, the positioning pin is driven by the hydraulic cylinder to be embedded into the positioning hole of the rotating bracket to complete the fixation, ensuring the stability of the roller position. This structure does not require the replacement of the entire set of cleaning components, and can meet the cleaning needs of different fabrics by switching rollers. It not only reduces the purchase cost of multiple equipment, but also saves the equipment replacement and debugging time, greatly improves the equipment versatility and production efficiency, and avoids the problem of damage or incomplete cleaning caused by a single roller brush to different fabrics. 2. In this utility model, an axial sliding and circumferentially fixed drive and fixing system is constructed through the axial keyway protrusion of the sliding sleeve and the drive sleeve, the engagement structure of the rack and gear inside the sliding sleeve, and the return spring. This achieves stable power transmission and convenient drum switching. During operation, the drive sleeve is circumferentially fixed by the inner protrusion and the keyway on the outer side of the sliding sleeve, stably transmitting the torque of the second drive motor to the sliding sleeve. Then, the rack inside the sliding sleeve engages with the limiting groove of the connecting block, driving the drum roller to rotate synchronously. When it is necessary to switch drums, the knob is turned to drive the gear to rotate, causing the rack to compress the return spring and disengage from the connecting block. At this time, the sliding sleeve can slide axially along the drive sleeve and dock with the connecting block of the target drum. After the knob is released, the rack automatically engages and fixes under the action of the return spring. This structure not only solves the problem of cumbersome disassembly of traditional rigid connections, but also avoids power transmission slippage caused by sliding connections. At the same time, it eliminates the need for repeated manual calibration of coaxiality, ensuring the stability and accuracy of power transmission after switching, reducing wear on drive components, extending the service life of equipment, and improving the convenience of operation and the continuity of the cleaning process. Attached Figure Description

[0015] Figure 1 A schematic diagram of the overall three-dimensional structure of the water washing device; Figure 2 Schematic diagram of the cross-sectional structure of the water washing device Figure 1 ; Figure 3 for Figure 1 Enlarged structural diagram at point A in the diagram; Figure 4 Schematic diagram of the cross-sectional structure of the water washing device Figure 2 ; Figure 5 for Figure 4 Enlarged structural diagram at point B in the diagram; Figure 6 A schematic diagram of the cross-sectional structure of the drive fixing component.

[0016] In the diagram: 1. Box body; 2. Conveying assembly; 201. Conveying cylinder; 202. First fixed frame; 203. First drive motor; 204. Rotating rod; 205. Fixed plate; 206. First bevel gear; 207. Second bevel gear; 3. Switching roller assembly; 301. Fixed frame; 302. Rotating support; 303. Roller; 4. Drive fixing assembly; 401. Connecting block; 402. Sliding sleeve; 403. Drive sleeve; 404. Rack; 405. Return spring; 406. Rotating shaft; 407. Knob; 408. Gear; 409. Second fixed frame; 410. Second drive motor; 501. Mounting plate; 502. Hydraulic cylinder. Detailed Implementation

[0017] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] Example: like Figures 1 to 6 As shown, a fabric washing device includes: a housing 1, with a cavity inside the housing 1, a conveying assembly 2 inside the cavity, and a switching roller assembly 3 above the conveying assembly 2 and located inside the cavity. The switching roller assembly 3 includes two fixed brackets 301 fixedly connected to the top of the cavity. A rotating support 302 is rotatably connected to the adjacent ends of the two fixed brackets 301. Multiple rollers 303 are arranged between the two rotating supports 302. Both ends of the multiple rollers 303 are rotatably connected to the adjacent sides of the two rotating supports 302 via rollers and bearings. Roller brushes of different densities are fixedly connected to the outer walls of the multiple rollers 303. One of the rotating supports 302 is located away from the rollers 303. A drive fixing component 4 is provided on one side of the housing 1. The housing 1 has a feed hole and a discharge hole on both sides. The fabric is fed in through the feed hole of the housing 1 and moved by the conveying component 2 in the cavity. At the same time, in the switching roller assembly 3, two fixing frames 301 support the rotation of the rotating bracket 302, which can switch the roller 303 with different density roller brushes on the outside to the position of contact with the fabric. Then, the drive fixing component 4 drives the roller 303 to rotate and clean the fabric. After cleaning, the fabric is sent out through the discharge hole. This process can adapt to different fabric materials by switching the roller 303 with different roller brush densities, avoiding fabric damage or incomplete cleaning. At the same time, it integrates conveying and cleaning functions, improving cleaning efficiency and equipment versatility.

[0019] In this embodiment, as Figure 2As shown, the conveying assembly 2 includes a conveying cylinder 201 rotatably connected to the two side walls of the cavity via a rotating shaft and bearings. A first fixing frame 202 is fixedly connected to the outer side wall of the housing 1. A first drive motor 203 is fixedly connected to the top of the first fixing frame 202. The output end of the first drive motor 203 passes through the housing 1 and extends into the cavity, and is fixedly connected to one end of one of the rotating shafts. The first drive motor 203 is fixed by the first fixing frame 202. The output end of the first drive motor 203 passes through the housing 1 and is fixed to one of the rotating shafts of the conveying cylinder 201. At the same time, the conveying cylinder 201 is rotatably connected to the two side walls of the cavity via a rotating shaft and bearings. During operation, the first drive motor 203 drives the rotating shaft to rotate, thereby driving the conveying cylinder 201 to rotate stably, realizing the uniform conveying of the fabric from the feed hole to the discharge hole. This ensures that the fabric is not deviated during the conveying process and can cooperate with the upper roller 303 to form a continuous washing rhythm, improving the washing uniformity.

[0020] In this embodiment, as Figure 2 As shown, the conveying assembly 2 also includes a rotating rod 204. Two fixed plates 205 are fixedly connected to the inner sidewall of the cavity. The rod of the rotating rod 204 passes through the two fixed plates 205 and is rotatably connected to them. The rotating rod 204 is supported by the two fixed plates 205 on the inner sidewall of the cavity. The rod of the rotating rod 204 passes through the two fixed plates 205 and is rotatably connected to them. This structure provides stable axial support for the rotating rod 204, ensuring that it does not undergo radial offset or swaying during transmission. This lays the structural foundation for the subsequent transmission of power to multiple conveying cylinders 201 via bevel gears, ensuring the synchronicity and stability of fabric conveying.

[0021] In this embodiment, as Figure 2 As shown, first bevel gears 206 are fixedly connected to both ends of the rotating rod 204, and second bevel gears 207 are fixedly connected to the outer sides of the two rotating shafts near the first drive motor 203. The two second bevel gears 207 mesh with the corresponding first bevel gears 206. By fixing the first bevel gears 206 to both ends of the rotating rod 204 and fixing the second bevel gears 207 to the outer sides of the rotating shafts of the two conveying cylinders 201 near the first drive motor 203, the two second bevel gears 207 mesh with the corresponding first bevel gears 206. During operation, the first drive motor 203 drives one of the rotating shafts to rotate. The second bevel gear 207 on one of the rotating shafts meshes with the adjacent first bevel gear 206 to drive the rotating rod 204 to rotate, thereby driving the other rotating shaft to rotate synchronously. This achieves the same direction and speed rotation of the two conveying cylinders 201, avoiding wrinkles or deviations caused by the speed difference between the two cylinders during fabric conveying, and ensuring stable fabric conveying to cooperate with the efficient cleaning of the upper roller 303.

[0022] In this embodiment, as Figure 3As shown, the drive fixing assembly 4 includes a connecting block 401 fixedly connected to one end of the roller shaft of multiple rollers 303. A limiting groove is formed at the bottom of the connecting block 401, and an installation groove is formed at the end of the connecting block 401 away from the roller shaft, extending to one side of the limiting groove. A sliding sleeve 402 is sleeved on the outer side of the connecting block 401, and a drive sleeve 403 is sleeved on the outer side of the sliding sleeve 402. An axial keyway is provided on the outer wall of the sliding sleeve 402, and a protrusion adapted to the keyway is provided on the inner wall of the drive sleeve 403. The sliding sleeve 402 and the drive sleeve 403 are slidably connected through the axial keyway and the protrusion. The connection is achieved by fixing the connecting block 401 to one end of the roller shaft of the roller 303. Connecting block 401 is fitted with sliding sleeve 402 on its outer side. The outer side of sliding sleeve 402 is fitted with drive sleeve 403 by axial keyway and protrusion. At the same time, connecting block 401 has limiting groove and mounting groove. During operation, drive sleeve 403 transmits power to sliding sleeve 402 through circumferential fixation of keyway and protrusion. Sliding sleeve 402 can slide along drive sleeve 403 axially to engage with connecting block 401. The limiting groove and mounting groove of connecting block 401 provide a structural basis for subsequent fixation, which not only ensures stable power transmission, but also realizes rapid switching of roller 303, improving equipment adaptability and operation convenience.

[0023] In this embodiment, as Figure 6 As shown, a groove is provided inside the sliding sleeve 402, and two racks 404 are slidably connected inside the groove. A return spring 405 is fixedly connected between the opposite side of the two racks 404 and the side near the inner wall of the groove. The two racks 404 are slidably connected inside the groove, and the racks 404 are connected to the inner wall of the groove through the return spring 405. When the sliding sleeve 402 aligns with the connecting block 401, the racks 404 can be engaged in the limiting groove of the connecting block 401 under the elastic force of the return spring 405, thereby achieving circumferential fixation between the sliding sleeve 402 and the connecting block 401. This ensures the stable transmission of power from the sliding sleeve 402 to the roller 303. At the same time, the return spring 405 provides an elastic return basis for the racks 404 to disengage from the limiting groove, which facilitates the switching operation of the roller 303.

[0024] In this embodiment, as Figure 5As shown, a rotating shaft 406 is rotatably connected to the bottom of the sliding groove. The top of the rotating shaft 406 passes through the sliding sleeve 402 and extends to its outer side, where a knob 407 is fixedly connected. A gear 408 is fixedly connected to the outer side of the rotating shaft 406 and inside the sliding sleeve 402. The gear 408 meshes with two racks 404. The gear 408 is installed inside the sliding groove of the sliding sleeve 402 via the rotating shaft 406, and the gear 408 meshes with the two racks 404. The top of the rotating shaft 406 passes through the sliding sleeve 402 and... The connecting knob 407 is rotated to drive the gear 408 to rotate, causing the two racks 404 to compress the return spring 405 and slide to both sides of the slide groove, disengaging from the limiting groove of the connecting block 401. This facilitates the separation of the sliding sleeve 402 from the current roller 303 to switch the target roller. After releasing the knob 407, the return spring 405 pushes the rack 404 to reset and engage in the limiting groove of the new connecting block 401, achieving quick fixation. This ensures both the convenience of switching the roller 303 and the stability of power transmission.

[0025] In this embodiment, as Figure 1 As shown, a second fixing bracket 409 is fixedly connected to the outer wall of the housing 1. A second drive motor 410 is fixedly connected to the top of the second fixing bracket 409. An installation through hole is provided on the outer wall of the housing 1 at the location of the second drive motor 410. The output end of the second drive motor 410 is fixedly connected to one end of the drive sleeve 403. The second drive motor 410 is fixed to the outer side of the housing 1 by the second fixing bracket 409. The output end of the second drive motor 410 passes through the installation through hole of the housing 1 and is fixed to one end of the drive sleeve 403. During operation, the second drive motor 410 directly drives the drive sleeve 403 to rotate. The power is transmitted to the roller 303 through the keyway and protrusion of the drive sleeve 403 and the sliding sleeve 402, providing stable rotation power for the roller brush of the roller 303. This ensures that the force of the roller brush on the fabric is uniform during the washing process. At the same time, the structural design of the second fixing bracket 409 and the installation through hole ensures that the second drive motor 410 is firmly installed, avoiding vibration during high-speed rotation that affects the accuracy of power transmission.

[0026] In this embodiment, as Figure 4As shown, a mounting plate 501 is fixedly connected to the outer wall of the fixed frame 301, and a hydraulic cylinder 502 is fixedly connected to the top of the mounting plate 501. A positioning pin is fixedly connected to the output end of the hydraulic cylinder 502. Multiple positioning holes are opened on one side of the rotating bracket 302. The end of the positioning pin away from the hydraulic cylinder 502 passes through the fixed frame 301 and is embedded in one of the positioning holes on one side of the rotating bracket 302. The hydraulic cylinder 502 is fixed to the outside of the fixed frame 301 by the mounting plate 501. The output end of the hydraulic cylinder is connected to the positioning pin. Multiple positioning holes are correspondingly opened on one side of the rotating bracket 302. When the rotating bracket 302 rotates to the working position of the target roller 303, the hydraulic cylinder 502 pushes the positioning pin through the fixed frame 301 and embeds it into the corresponding positioning hole, thereby achieving rigid fixation of the rotating bracket. This prevents the roller 303 from shifting its contact position with the fabric due to vibration during the cleaning process, ensuring the uniformity of the roller brush cleaning. At the same time, the hydraulically driven positioning method has a fast response and does not require manual calibration, improving the positioning efficiency and stability after roller switching. Implementation plan: First, the fabric is fed into the box 1 through the feed hole, and then stably conveyed by the conveying assembly 2. The first drive motor 203 is fixed by the first fixed frame 202. Its output end passes through the box 1 and is fixed to a rotating shaft of the conveying cylinder 201. At the same time, the conveying cylinder 201 is rotatably connected to the two side walls of the cavity through the rotating shaft and bearings. The first drive motor 203 drives the rotating shaft to rotate, which can drive the conveying cylinder 201 to rotate. Two fixed plates 205 in the cavity support the rotating rod 204. The first bevel gear 206 at both ends of the rotating rod 204 meshes with the second bevel gear 207 on the outside of the rotating shaft of the two conveying cylinders 201, which can drive the two conveying cylinders 201 to rotate in the same direction and at the same speed, avoiding the fabric from wrinkling or shifting due to the difference in rotation speed, and realizing uniform conveying from feeding to discharging, laying a stable foundation for subsequent washing.

[0027] During fabric conveying, the switching roller assembly 3 and the drive fixing assembly 4 cooperate to achieve adaptive cleaning. Two fixing frames 301 support the rotation of the rotating bracket 302, which can switch the rollers 303 with different density roller brushes on the outside to the position in contact with the fabric. The connecting block 401 at one end of the roller 303 is fitted with a sliding sleeve 402. The sliding sleeve 402 is fitted with the drive sleeve 403 by an axial keyway and a protrusion. The second drive motor 410 is fixed by the second fixing frame 409 on the outside of the housing 1. Its output end passes through the mounting tube. The hole is fixed to the drive sleeve 403, which can drive the drive sleeve 403 to rotate and transmit power to the sliding sleeve 402. The rack 404 in the sliding groove of the sliding sleeve 402 is engaged in the limiting groove of the connecting block 401 under the action of the return spring 405, so as to fix it with the roller 303. When the roller 303 needs to be switched, the knob 407 is turned to drive the gear 408 to rotate, so that the rack 404 is disengaged from the limiting groove. The sliding sleeve 402 can slide along the drive sleeve 403 to connect with the new roller 303, which not only ensures stable power transmission, but also improves the adaptability of the equipment.

[0028] Meanwhile, the positioning pin connected to the output end of the hydraulic cylinder 502 fixed by the mounting plate 501 on the outer side of the fixed frame 301 will penetrate the fixed frame 301 and embed into the positioning hole of the rotating bracket 302 when the rotating bracket 302 rotates to the working position of the target roller 303, so as to achieve rigid fixation of the rotating bracket 302 and prevent the roller 303 from shifting due to vibration during cleaning. Throughout the process, the conveying component 2 and the roller 303 form a continuous cleaning rhythm. Different density roller brushes are suitable for different fabric materials, which not only prevents fabric damage or incomplete cleaning, but also integrates conveying and cleaning functions, greatly improving cleaning efficiency, uniformity and equipment versatility.

[0029] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0030] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A fabric washing device, characterized in that, include: The housing has an internal cavity containing a conveying assembly. Above the conveying assembly and inside the cavity, a switching roller assembly is located. The switching roller assembly includes two fixed frames fixedly connected to the top of the cavity. A rotating bracket is rotatably connected to the end of each fixed frame that is close to the other. Multiple rollers are arranged between the two rotating brackets. Both ends of the multiple rollers are rotatably connected to the side of the two rotating brackets that is close to the other through rollers and bearings. Roller brushes of different densities are fixedly connected to the outer walls of the multiple rollers. A drive fixing assembly is located on the side of one of the rotating brackets that is away from the rollers. Feed holes and discharge holes are respectively opened on both sides of the housing.

2. A fabric washing apparatus as claimed in claim 1, wherein The conveying assembly includes a conveying cylinder rotatably connected to the two side walls of the cavity via a rotating shaft and bearings. A first fixed frame is fixedly connected to the outer side wall of the housing. A first drive motor is fixedly connected to the top of the first fixed frame. The output end of the first drive motor passes through the housing and extends into the cavity and is fixedly connected to one end of one of the rotating shafts.

3. The fabric washing device according to claim 2, characterized in that, The conveying assembly also includes a rotating rod, with two fixed plates fixedly connected to the inner side wall of the cavity. The rod body passes through the two fixed plates and is rotatably connected to them.

4. The fabric washing device according to claim 3, characterized in that, The two ends of the rotating rod are fixedly connected to the first bevel gear, and the outer sides of the two rotating shafts near the first drive motor are fixedly connected to the second bevel gear. The two second bevel gears mesh with the corresponding first bevel gears respectively.

5. A fabric washing device according to claim 1, characterized in that, The drive fixing assembly includes a connecting block fixedly connected to one end of a roller of multiple rollers. A limiting groove is opened at the bottom of the connecting block. An installation groove is opened at the end of the connecting block away from the roller to the inside of the limiting groove. A sliding sleeve is sleeved on the outside of the connecting block. A drive sleeve is sleeved on the outside of the sliding sleeve. An axial keyway is provided on the outer wall of the sliding sleeve. A protrusion adapted to the keyway is provided on the inner wall of the drive sleeve. The sliding sleeve and the drive sleeve are slidably connected through the axial keyway and the protrusion.

6. A fabric washing device according to claim 5, characterized in that, The sliding sleeve has a groove inside, and two racks are slidably connected inside the groove. A return spring is fixedly connected between the opposite side of the two racks and the side near the inner wall of the groove.

7. A fabric washing device according to claim 6, characterized in that, A rotating shaft is rotatably connected to the bottom of the inner side of the slide. The top of the rotating shaft passes through the sliding sleeve and extends to its outer side, where a knob is fixedly connected. A gear is fixedly connected to the outer side of the rotating shaft and inside the sliding sleeve. The gear meshes with two racks.

8. A fabric washing device according to claim 5, characterized in that, A second fixing bracket is fixedly connected to the outer wall of the housing, and a second drive motor is fixedly connected to the top of the second fixing bracket. An installation through hole is opened on the outer wall of the housing at the location of the second drive motor, and the output end of the second drive motor is fixedly connected to one end of the drive sleeve.

9. A fabric washing device according to claim 1, characterized in that, A mounting plate is fixedly connected to the outer wall of the fixed frame, and a hydraulic cylinder is fixedly connected to the top of the mounting plate. A positioning pin is fixedly connected to the output end of the hydraulic cylinder. Multiple positioning holes are opened on one side of the rotating bracket. The end of the positioning pin away from the hydraulic cylinder passes through the fixed frame and is embedded in one of the positioning holes on one side of the rotating bracket.

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