Cloth cleaning machine

Abstract

The utility model discloses a cloth cleaning machine, which belongs to the technical field of textile, and is characterized by comprising a material placing roller, a bottom cavity, a working cavity and a cleaning assembly, a waste liquid treatment assembly; a drying assembly; a tensioning assembly; wherein the drying assembly comprises a fan body, an air inlet box, a filter screen, an air conveying pipe, an air supply cavity, a heating plate and a sealing assembly, the fan body is installed on the working cavity, the air inlet box is installed on the fan body, the filter screen is installed in the air inlet box, the air conveying pipe is installed on the fan body, the air supply cavity is installed on the air conveying pipe, and the heating plate is installed on the sealing assembly. An opening is formed in one end of the air supply cavity, the heating plate is installed in the air supply cavity, and the sealing assembly is installed on the air supply cavity. According to the cloth drying device, cleaned cloth can be dried, follow-up cloth rolling and containing are facilitated, the cloth is not prone to being contaminated by dirt and dust, and the follow-up processing quality of the cloth is remarkably improved.

Description

Technical Field

[0001] The present application belongs to the field of textile technology, and in particular to a cloth washing machine. Background Art

[0002] After being woven into cloth by textile equipment, it is generally printed and dyed. After a simple cleaning, the printed and dyed cloth will be sold. Moreover, these cloths are placed in warehouses before being sold. Over a long period of time, various bacteria will be produced on the cloth. A lot of dirt and dust will also accumulate on the surface of the cloth, making the appearance of the cloth unsightly and affecting the quality of the cloth. In addition, the clothes made will fade severely, which will bring some concerns and influences to consumers and affect the sales of clothes.

[0003] The existing publication number is CN207659664U, which discloses a textile cloth cleaning machine, including a workbench, the left side of the top of the workbench is fixedly connected with a baffle and a rotating shaft from left to right in sequence, the top of the baffle is fixedly connected with a cross plate, and the top of the rotating shaft is movably connected with the bottom of the cross plate. The utility model is provided by setting a water tank, a baffle, a coil drum, a cross plate, a rotating shaft, a first chute, cloth, a first slider, a first slide bar, a water pump, a water inlet, a nozzle, a nozzle, a second slider, a second slide bar, a second chute, a support plate, a connecting rod, a motor, a connecting shaft, a pin shaft and a rolling plate for coordinated use.

[0004] Although the above textile fabric washing machine can effectively wash textile fabrics with better washing effect, it cannot dry the washed fabrics, which is not convenient for subsequent rolling and storage of the fabrics. The fabrics that are not dry are more easily contaminated with dirt and dust, which affects the quality of the fabrics. Utility Model Content

[0005] The purpose of this application is to provide a cloth cleaning machine to address the above-mentioned technical problems, which can dry the cleaned cloth, facilitate the subsequent rolling and storage of the cloth, make it less likely to be contaminated by dirt and dust, and significantly improve the quality of subsequent processing of the cloth.

[0006] The present application provides a cloth cleaning machine, including a placing roller, a bottom chamber, a working chamber, and also includes:

[0007] A cleaning component, wherein the cleaning component is installed on the working chamber;

[0008] A waste liquid treatment component, wherein the waste liquid treatment component is installed on the bottom cavity;

[0009] A drying component, wherein the drying component is installed on the working chamber;

[0010] A tensioning assembly, wherein the tensioning assembly is mounted on the bottom cavity;

[0011] Among them, the drying component includes a fan body, an air inlet box, a filter, an air duct, an air supply chamber, a heating plate, and a closing component. The fan body is installed on the working chamber, the air inlet box is installed on the fan body, the filter is installed in the air inlet box, the air duct is installed on the fan body, the air supply chamber is installed on the air duct, an opening is provided at one end of the air supply chamber, the heating plate is installed in the air supply chamber, and the closing component is installed on the air supply chamber.

[0012] After the cloth is cleaned by the cleaning component, the fan body is started and the air is filtered through the filter in the air inlet box and sucked into the fan body. The filter prevents dust and dirt from being sucked into the drying component, and prevents dust accumulation inside the drying component from affecting the operation of the drying component. At the same time, it prevents dust from being blown out of the drying component and sticking to the cloth to affect the quality of the cloth. The wind enters the air supply cavity through the air duct. At this time, the heating plate begins to heat the passing air, and finally blows it out from the opening at one end of the air supply cavity to dry the cleaned cloth. The dry cloth after cleaning is convenient for the subsequent winding and storage of the cloth, and the cloth is less likely to be contaminated with dirt and dust, thereby avoiding affecting the quality of the cloth.

[0013] Furthermore, the closure assembly comprises:

[0014] An electric telescopic rod, wherein the electric telescopic rod is installed on the air supply cavity;

[0015] A push block, the push block is mounted on the electric telescopic rod;

[0016] A moving bar, the moving bar is mounted on the push block, and a rack is mounted on the moving bar;

[0017] A rotating shaft, wherein the rotating shaft is mounted on the air supply cavity;

[0018] A gear, the gear being mounted on the rotating shaft and meshing with the rack;

[0019] A closing plate is mounted on the rotating shaft.

[0020] The closing assembly can be used to start the electric telescopic rod when the drying work is not in progress. The electric telescopic rod pushes the push block, and the push block drives the moving bar to move. The rack on the moving bar meshes with the gear installed on the rotating shaft. The movement of the moving bar drives the rack to move. The rack meshes with the gear to make the gear rotate. The gear rotates on the rotating shaft and drives the closing plate on the rotating shaft to rotate. When the closing plate rotates to be parallel to the opening of the air supply chamber, the opening of the air supply chamber is closed to prevent hair and dust from entering the drying assembly and affecting the next drying work. When the closing plate rotates to be perpendicular to the opening of the air supply chamber, the drying assembly can blow out hot air, thereby significantly improving the working stability of the drying assembly.

[0021] Furthermore, the cleaning component comprises:

[0022] A liquid storage tank, wherein the liquid storage tank is installed on the working chamber;

[0023] A first liquid outlet pipe, wherein the first liquid outlet pipe is installed on the liquid storage tank;

[0024] a first water pump, wherein the first water pump is installed on the first liquid outlet pipe;

[0025] a first infusion tube, wherein the first infusion tube is installed on the first water pump;

[0026] A first nozzle is installed on a first infusion tube.

[0027] When the cloth needs to be cleaned through the cleaning component, the first water pump pumps the cleaning liquid from the liquid storage tank along the first liquid outlet pipe to the first liquid infusion pipe, and then sprays it from the first nozzle on the first liquid infusion pipe to clean the cloth. Cleaning the cloth can increase the cleanliness of the cloth and make the subsequent processing quality of the cloth higher.

[0028] Furthermore, the waste liquid treatment component comprises:

[0029] A waste liquid chamber, wherein the waste liquid chamber is installed on the bottom chamber;

[0030] A filtrate net, the filtrate net being installed in the waste liquid chamber;

[0031] A recovery component is installed on the waste liquid chamber.

[0032] The waste liquid treatment component includes a waste liquid chamber, a filtrate net and a recovery component. The waste liquid chamber is installed on the bottom chamber, the filtrate net is installed in the waste liquid chamber, and the recovery component is installed on the waste liquid chamber. The cleaning liquid that has undergone cleaning work will enter the waste liquid chamber for unified storage, which is convenient for subsequent recycling and processing work, reducing the labor intensity of subsequent processing. At the same time, the filtrate net can filter the cleaning liquid, so that the filtered cleaning liquid can be reused through the recovery component, reducing the cleaning cost.

[0033] Furthermore, the recycling component comprises:

[0034] a second liquid outlet pipe, the second liquid outlet pipe being installed on the waste liquid chamber;

[0035] a second water pump, the second water pump being installed on the second liquid outlet pipe;

[0036] a second infusion tube, the second infusion tube being mounted on a second water pump;

[0037] A second nozzle is installed on the second infusion tube.

[0038] When the cleaning liquid that has undergone the cleaning work is filtered through the filtrate net, it will be stored at the bottom of the waste liquid chamber. At this time, the second water pump starts to work, and the second water pump pumps the filtered cleaning liquid along the second infusion pipe to the second infusion pipe. Finally, the second nozzle on the second infusion pipe sprays it to clean the cloth, which reduces the waste of cleaning liquid. At the same time, the second nozzle makes the cleaning of the cloth more uniform and comprehensive, ensuring the cleanliness of the cloth cleaning.

[0039] Furthermore, the tensioning assembly comprises:

[0040] A screw rod, the screw rod is installed on the bottom cavity;

[0041] A moving block, wherein the moving block is mounted on the screw rod;

[0042] A receiving roller is installed on the moving block.

[0043] The tensioning assembly includes a screw rod, a moving block and a receiving roller, the screw rod is installed on the bottom cavity, the moving block is installed on the screw rod, and the receiving roller is installed on the moving block. When the cloth is placed on the cloth placing roller, the cloth is pulled out and installed on the receiving roller. The cloth placing roller and the receiving roller open and straighten the cloth sections required for cleaning. When the cloth is not in an open and straightened state, the driving device drives the screw rod to work, and the moving block moves on the screw rod under the guidance of the guide rod until the cloth is fully opened and straightened, so that the cloth is cleaned more evenly and comprehensively, which significantly improves the equipment's ability to clean the cloth.

[0044] The beneficial effects of this application are:

[0045] 1. The heating plate starts to heat the passing air, and finally blows it out from the opening at one end of the air supply chamber to dry the cleaned fabric. The dry fabric after cleaning is convenient for subsequent fabric rolling and storage, and the fabric is less likely to be contaminated with dirt and dust, thus avoiding affecting the quality of the fabric.

[0046] 2. When the closing plate is turned to be parallel to the opening of the air supply chamber, the opening of the air supply chamber is closed to prevent hair and dust from entering the drying component and affecting the next drying work. When the closing plate is turned to be perpendicular to the opening of the air supply chamber, the drying component can blow out hot air, which significantly improves the working stability of the drying component.

[0047] 3. When the cloth is not in the stretched and straightened state, the driving device drives the screw to work, and the moving block moves on the screw along the guide rod until the cloth is fully stretched and straightened, so that the cloth is cleaned more evenly and comprehensively, which significantly improves the cleaning ability of the equipment for the cloth. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is a schematic diagram of the overall structure of this application;

[0049] Figure 2 is a cross-sectional view of the overall structure of the present application;

[0050] Figure 3 is a cross-sectional view of the drying assembly of the present application;

[0051] Figure 4 This application Figure 2 A magnified view of part A;

[0052] Figure 5 This application Figure 3 A magnified view of part B;

[0053] The reference numerals in the figure are: 100, feeding roller; 200, bottom cavity; 300, working cavity; 400, cleaning assembly; 410, liquid storage tank; 420, first liquid outlet pipe; 430, first water pump; 440, first liquid infusion pipe; 450, first nozzle; 500, waste liquid treatment assembly; 510, waste liquid cavity; 520, filtrate net; 530, recovery assembly; 531, second liquid outlet pipe; 532, second water pump; 533, second liquid infusion pipe; 5 34. Second nozzle; 600. Drying assembly; 610. Fan body; 620. Air inlet box; 630. Filter; 640. Air duct; 650. Air supply chamber; 660. Heating plate; 670. Closing assembly; 671. Electric telescopic rod; 672. Push block; 673. Rack; 674. Rotating shaft; 675. Gear; 676. Closing plate; 700. Tensioning assembly; 710. Screw; 720. Moving block; 730. Accommodating roller. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0055] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0056] The embodiments of the present application are described in detail below through specific embodiments and their application scenarios in conjunction with the accompanying drawings.

[0057] Embodiment 1:

[0058] like Figure 1 , Figure 2 , Figure 3 As shown, the embodiment of the present application provides a cloth cleaning machine, including a placing roller 100, a bottom cavity 200, a working cavity 300, and further including:

[0059] A cleaning assembly 400, wherein the cleaning assembly 400 is installed on the working chamber 300;

[0060] A waste liquid treatment component 500, wherein the waste liquid treatment component 500 is installed on the bottom cavity 200;

[0061] A drying assembly 600, wherein the drying assembly 600 is installed on the working chamber 300;

[0062] A tensioning assembly 700, wherein the tensioning assembly 700 is installed on the bottom cavity 200;

[0063] Among them, the drying component 600 includes a fan body 610, an air inlet box 620, a filter 630, an air supply pipe 640, an air supply chamber 650, a heating plate 660, and a closing component 670. The fan body 610 is installed on the working chamber 300, the air inlet box 620 is installed on the fan body 610, the filter 630 is installed in the air inlet box 620, the air supply pipe 640 is installed on the fan body 610, the air supply chamber 650 is installed on the air supply pipe 640, one end of the air supply chamber 650 is provided with an opening, the heating plate 660 is installed in the air supply chamber 650, and the closing component 670 is installed on the air supply chamber 650.

[0064] After the cloth is cleaned by the cleaning component 400, the fan body 610 is started, and the air is filtered through the filter 630 in the air inlet box 620 and sucked into the fan body 610. The filter 630 prevents dust and dirt from being sucked into the drying component 600, and prevents dust accumulation inside the drying component 600 from affecting the operation of the drying component 600, while preventing dust from being blown out of the drying component 600 and sticking to the cloth to affect the quality of the cloth. The wind enters the air supply chamber 650 through the air duct 640, and the heating plate 660 starts to heat the passing air at this time, and finally blows it out from the opening at one end of the air supply chamber 650 to dry the cleaned cloth. The dry cloth after cleaning is convenient for subsequent rolling and storage of the cloth, and the cloth is less likely to be contaminated with dirt and dust, thereby avoiding affecting the quality of the cloth.

[0065] Embodiment 2:

[0066] like Figure 5As shown, the embodiment of the present application provides a cloth washing machine. In addition to the above technical features, the closing component 670 includes:

[0067] An electric telescopic rod 671, wherein the electric telescopic rod 671 is installed on the air supply chamber 650;

[0068] A push block 672, wherein the push block 672 is mounted on the electric telescopic rod 671;

[0069] A moving bar, the moving bar is mounted on the push block 672, and a rack 673 is mounted on the moving bar;

[0070] A rotating shaft 674, wherein the rotating shaft 674 is installed on the air supply chamber 650;

[0071] A gear 675, wherein the gear 675 is mounted on the rotating shaft 674, and the gear 675 is meshed with the rack 673;

[0072] A closing plate 676 is mounted on the rotating shaft 674 .

[0073] Through the closing component 670, when the drying work is not in progress, the electric telescopic rod 671 is started, the electric telescopic rod 671 pushes the push block 672, and the push block 672 drives the moving bar to move, and the rack 673 on the moving bar engages with the gear 675 installed on the rotating shaft 674. The movement of the moving bar drives the rack 673 to move, and the rack 673 engages the gear 675 to rotate the gear 675. The gear 675 rotates on the rotating shaft 674 and drives the closing plate 676 on the rotating shaft 674 to rotate. When the closing plate 676 rotates to be parallel to the opening of the air supply chamber 650, the opening of the air supply chamber 650 is closed to prevent hair dust and dust from entering the drying component 600 and affecting the next drying work. When the closing plate 676 rotates to be perpendicular to the opening of the air supply chamber 650, the drying component 600 can blow out hot air, which significantly improves the working stability of the drying component 600.

[0074] Embodiment 3:

[0075] like Figure 1 As shown, the embodiment of the present application provides a cloth cleaning machine. In addition to the above technical features, the cleaning component 400 includes:

[0076] A liquid storage tank 410, wherein the liquid storage tank 410 is installed on the working chamber 300;

[0077] A first liquid outlet pipe 420, wherein the first liquid outlet pipe 420 is installed on the liquid storage tank 410;

[0078] A first water pump 430, wherein the first water pump 430 is installed on the first liquid outlet pipe 420;

[0079] A first infusion tube 440 , wherein the first infusion tube 440 is installed on the first water pump 430 ;

[0080] The first nozzle 450 is installed on the first infusion tube 440 .

[0081] When the cloth needs to be cleaned through the cleaning component 400, the first water pump 430 pumps the cleaning liquid from the liquid storage tank 410 along the first liquid outlet pipe 420 to the first liquid infusion pipe 440, and then sprays it from the first nozzle 450 on the first liquid infusion pipe 440 to clean the cloth. Cleaning the cloth can increase the cleanliness of the cloth and improve the quality of subsequent processing of the cloth.

[0082] Embodiment 4:

[0083] like Figure 2 As shown, the embodiment of the present application provides a cloth washing machine. In addition to the above technical features, the waste liquid treatment component 500 includes:

[0084] A waste liquid chamber 510, wherein the waste liquid chamber 510 is installed on the bottom chamber 200;

[0085] A filtrate net 520, wherein the filtrate net 520 is installed in the waste liquid chamber 510;

[0086] The recovery component 530 is installed on the waste liquid chamber 510 .

[0087] The waste liquid treatment component 500 includes a waste liquid chamber 510, a filtrate net 520 and a recovery component 530. The waste liquid chamber 510 is installed on the bottom chamber 200, the filtrate net 520 is installed in the waste liquid chamber 510, and the recovery component 530 is installed on the waste liquid chamber 510. The cleaning liquid after cleaning will enter the waste liquid chamber 510 for unified storage, which is convenient for subsequent recycling and processing work, reducing the labor intensity of subsequent processing. At the same time, the filtrate net 520 can filter the cleaning liquid, so that the filtered cleaning liquid can be reused through the recovery component 530, reducing the cleaning cost.

[0088] Embodiment 5:

[0089] like Figure 1 As shown, the embodiment of the present application provides a cloth washing machine. In addition to the above technical features, the recycling component 530 includes:

[0090] A second liquid outlet pipe 531, wherein the second liquid outlet pipe 531 is installed on the waste liquid chamber 510;

[0091] A second water pump 532, wherein the second water pump 532 is installed on the second liquid outlet pipe 531;

[0092] A second liquid infusion tube 533 , which is installed on the second water pump 532 ;

[0093] The second nozzle 534 is installed on the second infusion tube 533 .

[0094] When the cleaning liquid is filtered through the filtrate net 520, it will be stored at the bottom of the waste liquid chamber 510. At this time, the second water pump 532 starts to work. The second water pump 532 pumps the filtered cleaning liquid along the second infusion pipe 533 to the second infusion pipe 533. Finally, the second nozzle 534 on the second infusion pipe 533 sprays the cleaning liquid to clean the cloth, thereby reducing the waste of cleaning liquid. At the same time, the second nozzle 534 makes the cleaning of the cloth more uniform and comprehensive, ensuring the cleanliness of the cloth cleaning.

[0095] Embodiment 6:

[0096] like Figure 2 , Figure 4 As shown, the embodiment of the present application provides a cloth cleaning machine. In addition to the above technical features, the tensioning assembly 700 includes:

[0097] A screw rod 710, wherein the screw rod 710 is installed on the bottom cavity 200;

[0098] A moving block 720 , wherein the moving block 720 is mounted on the screw rod 710 ;

[0099] The receiving roller 730 is installed on the moving block 720 .

[0100] The tensioning assembly 700 includes a screw rod 710, a moving block 720 and a receiving roller 730. The screw rod 710 is installed on the bottom cavity 200, the moving block 720 is installed on the screw rod 710, and the receiving roller 730 is installed on the moving block 720. When the cloth is placed on the cloth placement roller, the cloth is pulled out and installed on the receiving roller 730. The cloth placement roller and the receiving roller 730 open and straighten the cloth sections required for cleaning. When the cloth is not in an open and straightened state, the driving device drives the screw rod 710 to work, and the moving block 720 moves on the screw rod 710 along the guidance of the guide rod until the cloth is fully opened and straightened, so that the cloth is cleaned more evenly and comprehensively, which significantly improves the cleaning ability of the equipment for the cloth.

[0101] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0102] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A cloth cleaning machine, comprising a placing roller (100), a bottom chamber (200), and a working chamber (300), characterized in that , also includes: A cleaning assembly (400), wherein the cleaning assembly (400) is installed on the working chamber (300); A waste liquid treatment component (500), wherein the waste liquid treatment component (500) is installed on the bottom chamber (200); A drying component (600), wherein the drying component (600) is installed on the working chamber (300); A tensioning assembly (700), wherein the tensioning assembly (700) is installed on the bottom cavity (200); The drying component (600) includes a fan body (610), an air inlet box (620), a filter (630), an air supply pipe (640), an air supply chamber (650), a heating plate (660), and a sealing component (670). The fan body (610) is installed on the working chamber (300), the air inlet box (620) is installed on the fan body (610), the filter (630) is installed in the air inlet box (620), the air supply pipe (640) is installed on the fan body (610), the air supply chamber (650) is installed on the air supply pipe (640), one end of the air supply chamber (650) is provided with an opening, the heating plate (660) is installed in the air supply chamber (650), and the sealing component (670) is installed on the air supply chamber (650).

2. A cloth washing machine according to claim 1, characterized in that: The closure assembly (670) comprises: An electric telescopic rod (671), wherein the electric telescopic rod (671) is installed on the air supply chamber (650); A push block (672), wherein the push block (672) is mounted on the electric telescopic rod (671); A moving bar (677), the moving bar (677) is mounted on the push block (672), and a rack (673) is mounted on the moving bar (677); A rotating shaft (674), wherein the rotating shaft (674) is installed on the air supply chamber (650); A gear (675), wherein the gear (675) is mounted on the rotating shaft (674), and the gear (675) is meshed with the rack (673); A closing plate (676), wherein the closing plate (676) is mounted on the rotating shaft (674).

3. A cloth washing machine according to claim 2, characterized in that: The cleaning assembly (400) comprises: A liquid storage tank (410), wherein the liquid storage tank (410) is installed on the working chamber (300); A first liquid outlet pipe (420), wherein the first liquid outlet pipe (420) is installed on the liquid storage tank (410); A first water pump (430), wherein the first water pump (430) is installed on the first liquid outlet pipe (420); a first liquid infusion tube (440), wherein the first liquid infusion tube (440) is installed on the first water pump (430); A first nozzle (450), wherein the first nozzle (450) is installed on the first infusion tube (440).

4. A cloth washing machine according to claim 3, characterized in that: The waste liquid treatment component (500) comprises: A waste liquid chamber (510), wherein the waste liquid chamber (510) is installed on the bottom chamber (200); A filtrate net (520), wherein the filtrate net (520) is installed in the waste liquid chamber (510); A recovery component (530), wherein the recovery component (530) is installed on the waste liquid chamber (510).

5. A cloth washing machine according to claim 4, characterized in that: The recovery assembly (530) comprises: A second liquid outlet pipe (531), wherein the second liquid outlet pipe (531) is installed on the waste liquid chamber (510); A second water pump (532), wherein the second water pump (532) is installed on the second liquid outlet pipe (531); A second liquid infusion tube (533), wherein the second liquid infusion tube (533) is installed on the second water pump (532); A second nozzle (534), wherein the second nozzle (534) is installed on the second infusion tube (533).

6. A cloth washing machine according to claim 5, characterized in that: The tensioning assembly (700) comprises: A screw rod (710), wherein the screw rod (710) is installed on the bottom cavity (200); A moving block (720), wherein the moving block (720) is mounted on the screw rod (710); A receiving roller (730), wherein the receiving roller (730) is installed on the moving block (720).

Images