Automatic carding machine and method for polyester-mixed cotton cloth

By designing an intercepting groove and impurity removal mechanism in a polyester cloth automatic carding machine, the problem of difficult removal of tiny impurities on cotton materials in the prior art is solved, and the cleaning efficiency and effect are improved.

CN120119361APending Publication Date: 2025-06-10石家庄维宝莱纺织有限公司
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Patent Information

Application Number
CN202510516247.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2025-06-10

AI Technical Summary

Technical Problem

Existing card machines are difficult to completely remove tiny impurities from cotton materials, which affects the cleaning efficiency and effect.

Method used

A polyester cotton automatic carding machine is designed, which adopts a combination of a frame, an intercepting box, a carding mechanism, a decompression mechanism and a cotton pressing mechanism. By combining the intercepting groove and a decompression mechanism, the intercepting and cleaning of fine impurities on the cotton material can be achieved.

Benefits of technology

It improves the cleaning efficiency and effect of cotton materials, and ensures effective interception and collection of impurities during the combing process.

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Abstract

The invention relates to the technical field of carding machines, one embodiment of the invention provides an automatic carding machine and method for polyester-mixed cotton cloth, the automatic carding machine comprises a feeding hopper, the feeding hopper is applied to the carding machine, the automatic carding machine further comprises a rack, an intercepting box, a cotton carding mechanism, an impurity removing mechanism and a cotton pressing mechanism, and the rack is fixedly connected to the bottom end of the feeding hopper; a through groove communicated with the feeding hopper is formed in the machine frame, the intercepting box is fixedly connected to one side of the feeding hopper, one end of the intercepting box is communicated with the feeding hopper, a plurality of intercepting grooves are formed in one side of the intercepting box, impurities on cotton can be intercepted, and the cotton carding mechanism is arranged in the machine frame. By means of the technical scheme, the cotton carding machine solves the problems that in the prior art, small impurities adhering to cotton materials are prone to being brought out along with the cotton materials, the cotton materials are prone to being separated from the cotton materials, the cotton materials are prone to being separated from the cotton materials, and the cotton materials are prone to being separated from the cotton materials. And the cotton material cleaning efficiency and effect are reduced.
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Description

Technical Field

[0001] Embodiments of the present disclosure relate to the technical field of carding machines, and in particular, to an automatic carding machine and method for polyester-cotton fabrics. Background Art

[0002] Polyester-cotton cloth, commonly known as "Dacron", is a chemical fiber fabric blended from polyester and cotton, usually containing 65% - 67% polyester and 33% - 35% cotton. It combines the advantages of both, with good strength, good elasticity, strong moisture absorption, easy dyeing, quick drying, ironing-free, crisp and wrinkle-resistant. However, it also has disadvantages, such as easy pilling, static electricity, easy absorption of oil and dust, difficult to wash, and not resistant to high temperatures. Polyester-cotton cloth has various specifications and is widely used in home textiles, clothing, luggage and other fields.

[0003] In the production process of polyester-cotton fabric, the carding machine plays a key role. The cotton rolls made in the previous process are sent to the carding machine. These cotton rolls are in the state of oily cotton layers, and the cotton fibers in them are mostly in the form of curled blocks. The primary task of the carding machine is to open, comb and remove impurities. Through a series of mechanical operations, the curled cotton blocks are gradually combed into straight single fiber forms. At the same time, the broken seeds, impurities and short fibers left in the cotton cleaning process are removed as much as possible. Although the carding machine can effectively remove most impurities, there are still some tiny impurities that are tightly adhered to the cotton material and are difficult to be completely separated in this process. Eventually, they enter the next link with the cotton material, which to a certain extent affects the overall cleaning efficiency of the cotton material and makes it difficult to achieve the ideal final cleaning effect. Summary of the invention

[0004] To overcome the above-mentioned defects, the embodiments of the present disclosure provide an automatic carding machine and method for polyester-cotton cloth, which solves the technical problem in the prior art that some smaller impurities adhered to the cotton material are easily carried out along with the cotton material, thereby reducing the cleaning efficiency and effect of the cotton material.

[0005] According to one aspect, at least one embodiment of the present disclosure provides an automatic carding machine for polyester-cotton fabrics, comprising a feed hopper, the feed hopper being applied to the carding machine, and further comprising: a frame, an interception box, a carding mechanism, a debris removal mechanism, and a cotton pressing mechanism; The frame is fixedly connected to the bottom end of the feed hopper, and a through slot communicating with the feed hopper is provided on the frame; The interception box is fixedly connected to one side of the feed hopper, and one end of the interception box is connected to the feed hopper. One side of the interception box is provided with a plurality of interception grooves, which can intercept impurities on the cotton material; The combing mechanism is arranged in the frame and can leave the impurities in the interception box when combing the cotton in the feed hopper; The impurity removal mechanism is arranged on the frame and is used to clean and collect the impurities intercepted in the interception box; The cotton pressing mechanism is arranged in the feeding hopper and is used to press the cotton material in the feeding hopper towards the carding mechanism.

[0006] Preferably, the carding mechanism includes: a rotating shaft, a transmission belt, and a first motor; There are two rotating shafts, and both of the two rotating shafts are rotatably connected within the frame; The transmission belt is drivingly connected between the two rotating shafts, and a plurality of carding needles are fixedly connected to the surface of the transmission belt. Each carding needle is arranged in each interception groove and can card and convey the cotton material; The first motor is installed on one side of the frame, and the output end of the first motor penetrates through the frame and is fixedly connected to one of the rotating shafts.

[0007] Furthermore, the impurity removing mechanism includes: a collection box, an absorption box, an absorption pipe, and a suction air component; The collection box is fixedly connected to the top of the frame through a support frame and can gather impurities into the collection box; There are two absorption boxes. One end of one of the absorption boxes is respectively communicated with the interception box and the collection box, and the other absorption box is arranged in the feeding hopper through a moving component; The two ends of the absorption pipe are respectively communicated with the other absorption box and the collection box; The suction air component is arranged in the collection box and is used to generate negative pressure in the two absorption boxes.

[0008] Furthermore, the moving component includes: a sliding rod and a first electric cylinder; There are two sliding rods, and both of the two sliding rods are slidably connected to one side of the feeding hopper. One end of the two sliding rods is fixedly connected to the other absorption box and can support the other absorption box to move in the feeding hopper; The first electric cylinder is installed at the other end of the two sliding rods through a mounting plate, and the output end of the first electric cylinder penetrates through the mounting plate and is fixedly connected to one side of the feeding hopper.

[0009] Furthermore, the suction air component includes: a filter screen, a fan, and a sealing door; The filter screen is fixedly connected in the collection box and is used to separate impurities from the air flow; The fan is installed on one side of the collection box and can discharge the gas in the collection box to generate negative pressure in the collection box; The sealing door is arranged on one side of the collection box and can be opened to clean the impurities in the collection box.

[0010] Furthermore, the cotton pressing mechanism includes: a second electric cylinder and a pressing rod; The second electric cylinder is installed at the top of the feeding hopper through a top frame; The pressure rod is fixedly connected to the output end of the second electric cylinder and is used to press down the cotton material in the feed hopper.

[0011] Furthermore, a backflow plate is fixedly connected inside the feed hopper, and the other absorption box is located below the backflow plate.

[0012] Furthermore, two sliding holes are opened on the feed hopper, and the two sliding rods are respectively slidably connected in the two sliding holes.

[0013] Furthermore, a through hole is opened on one side of the feed hopper, and the absorption tube penetrates through the through hole and extends into the feed hopper.

[0014] A method for using an automatic carding machine for polyester-cotton fabric, which uses an automatic carding machine for polyester-cotton fabric of the above solution, includes the following steps: Step 1: Carding. Put the cotton material into the feed hopper, drive the pressure rod to descend through the second electric cylinder, so that the pressure rod presses the cotton material in the lower hopper into the interception box. Drive the rotating shaft to rotate through the first motor installed on the frame box. When the rotating shaft rotates, drive the transmission belt to be transmitted between the two rotating shafts, so that the carding needles on the transmission belt pick out the cotton material in the interception box layer by layer through the interception slots. During this process, the impurities on the cotton material are left in the interception box through the interception slots, so as to clean the fabric while realizing the carding action. Step 2: Removing impurities. Blow air outside the collection box through the fan installed on the collection box, so that negative pressure is generated in the collection box and the absorption tube. At this time, drive the mounting plate and the sliding rod to move on the feed hopper through the first electric cylinder, so as to drive the other absorption and move, approaching the transmission belt, so that the two absorption boxes suck the impurities remaining in the transmission belt and the interception box into the collection box, and intercept the impurities through the filter screen arranged in the collection box, so that the impurities are left in the collection box.

[0015] The beneficial effects of the embodiments of the present disclosure are as follows: In the present disclosure, through the cooperation between the frame, the interception box, the carding mechanism, the impurity removal mechanism and the cotton pressing mechanism, it is convenient to initially card the fabric while intercepting most of the fine impurities adhered to the cotton material, improving the cleaning efficiency and effect of the cotton material. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following will briefly introduce the drawings required to be used in the description of the embodiments of the present disclosure. Obviously, the following drawings are only some exemplary embodiments of the present disclosure. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the exemplary embodiments of the present disclosure and these drawings.

[0017] Figure 1Schematic diagram of the overall structure in an embodiment of the present disclosure; Figure 2 Schematic diagram of the structure from another angle in an embodiment of the present disclosure; Figure 3 Schematic diagram of the sectional structure in an embodiment of the present disclosure; Figure 4 Schematic diagram of the impurity removal mechanism in an embodiment of the present disclosure; Figure 5 Schematic diagram of the carding mechanism in an embodiment of the present disclosure; Figure 6 In an embodiment of the present disclosure Figure 1 Schematic diagram of the partial enlarged structure at position A; Figure 7 Schematic diagram of the moving component in an embodiment of the present disclosure.

[0018] In the figure: 1, feeding hopper; 2, frame; 3, intercepting box; 4, intercepting groove; 5, rotating shaft; 6, transmission belt; 7, carding needle; 8, first motor; 9, collection box; 10, absorption box; 11, absorption pipe; 12, sliding rod; 13, first electric cylinder; 14, mounting plate; 15, filter screen; 16, fan; 17, sealing door; 18, second electric cylinder; 19, top frame; 20, pressing rod; 21, backflow plate; 22, support frame. Detailed implementation manners The following further elaborates the present disclosure in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only for explaining the present disclosure and not for limiting the present disclosure.

[0019] For the sake of simplicity of the drawings, only the parts related to the disclosure are schematically shown in each figure, and they do not represent their actual structures as products. Additionally, for the sake of simplicity and easy understanding of the drawings, in some figures, components with the same structure or function are only schematically shown for one of them, or only one of them is marked. In this article, "one" not only means "only this one", but also can mean "more than one" situation, and "several" includes "two" and "more than two".

[0020] In this article, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific situations.

[0021] In the present disclosure, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may also include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0022] In the description of this embodiment, the orientation or positional relationship terms such as "up", "down", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present disclosure.

[0023] In addition, in the description of this application, the terms "first", "second", etc. are only used for distinguishing descriptions, and cannot be construed as indicating or implying relative importance.

[0024] Embodiment 1, as Figures 1 to 7 shown, which shows a polyester-cotton carding machine in an embodiment of the present disclosure, including a feeding hopper 1, the feeding hopper 1 is applied to the carding machine, and further includes: a frame 2, an interception box 3, a carding mechanism, a cleaning mechanism and a cotton pressing mechanism. The frame 2 is fixedly connected to the bottom end of the feeding hopper 1. A through groove communicating with the feeding hopper 1 is opened on the frame 2. The interception box 3 is fixedly connected to one side of the feeding hopper 1, and one end of the interception box 3 communicates with the feeding hopper 1. A plurality of interception slots 4 are opened on one side of the interception box 3, which can intercept the impurities on the cotton material. Through the cooperation among the frame 2, the interception box 3, the carding mechanism, the cleaning mechanism and the cotton pressing mechanism, it is convenient to initially card the fabric while intercepting most of the fine impurities adhering to the cotton material, improving the cleaning efficiency and effect of the cotton material.

[0025] The carding mechanism is arranged inside the frame 2 and can leave the impurities in the interception box 3 when carding the cotton material in the feeding hopper 1. The carding mechanism includes: a rotating shaft 5, a transmission belt 6 and a first motor 8. There are two rotating shafts 5. Both of the two rotating shafts 5 are rotatably connected inside the frame 2. The transmission belt 6 is drivingly connected between the two rotating shafts 5. A plurality of carding needles 7 are fixedly connected to the surface of the transmission belt 6. One carding needle 7 is arranged in each interception slot 4, which can card and convey the cotton material. The first motor 8 is installed on one side of the frame 2. The output end of the first motor 8 penetrates through the frame 2 and is fixedly connected to one of the rotating shafts 5.

[0026] One of the rotating shafts 5 is driven to rotate by the first motor 8 installed on the frame 2. The two rotating shafts 5 are connected by a transmission belt 6. The rotation of the rotating shaft 5 drives the carding needles 7 on the transmission belt 6 to pass through the interception slot 4, so as to evenly take out the cotton material outside the interception box 3 while leaving the fine impurities adhering to the cotton material in the interception box 3.

[0027] The impurity removal mechanism is arranged on the frame 2 and is used for cleaning and collecting the impurities intercepted in the interception box 3. The impurity removal mechanism includes: a collection box 9, an absorption box 10, an absorption pipe 11 and a suction component. A through hole is opened on one side of the feed hopper 1. The absorption pipe 11 penetrates through the through hole and extends into the feed hopper 1. A reverse flow plate 21 is fixedly connected in the feed hopper 1. Another absorption box 10 is located below the reverse flow plate 21. The collection box 9 is fixedly connected to the top of the frame 2 through a support frame 22, and can gather the impurities into the collection box 9. There are two absorption boxes 10. One end of one absorption box 10 is respectively communicated with the interception box 3 and the collection box 9. The other absorption box 10 is arranged in the feed hopper 1 through a moving component. The two ends of the absorption pipe 11 are respectively communicated with the other absorption box 10 and the collection box 9. The suction component is arranged in the collection box 9 and is used for generating negative pressure in the two absorption boxes 10. The moving component includes: a sliding rod 12 and a first electric cylinder 13. Two sliding holes are opened on the feed hopper 1. The two sliding rods 12 are respectively slidably connected in the two sliding holes. There are two sliding rods 12, and both sliding rods 12 are slidably connected to one side of the feed hopper 1. One end of the two sliding rods 12 is fixedly connected to the other absorption box 10, and can support the other absorption box 10 to move in the feed hopper 1. The first electric cylinder 13 is installed at the other end of the two sliding rods 12 through a mounting plate 14. The output end of the first electric cylinder 13 penetrates through the mounting plate 14 and is fixedly connected to one side of the feed hopper 1. The suction component includes: a filter screen 15, a fan 16 and a sealing door 17. The filter screen 15 is fixedly connected in the collection box 9 and is used for separating impurities from the air flow. The fan 16 is installed on one side of the collection box 9 and can discharge the gas in the collection box 9, so as to generate negative pressure in the collection box 9. The sealing door 17 is arranged on one side of the collection box 9 and can open the sealing door 17 to clean the impurities in the collection box 9.

[0028] When the impurities are left on the interception box 3 and the transmission belt 6, the fan 16 installed on the collection box 9 blows air out of the collection box 9, so as to generate negative pressure in the collection box 9. When negative pressure is generated in the collection box 9, the impurities left in the interception box 3 and on the transmission belt 6 will be absorbed through the absorption pipe 11 and the absorption box 10 and transported into the collection box 9. The impurities transported into the collection box 9 are intercepted by the filter screen 15, so as to collect the impurities in the collection box 9.

[0029] The cotton pressing mechanism is arranged in the feed hopper 1 and is used to press the cotton material in the feed hopper 1 towards the carding mechanism. The cotton pressing mechanism includes: a second electric cylinder 18 and a pressing rod 20. The second electric cylinder 18 is installed at the top of the feed hopper 1 through a top frame 19, and the pressing rod 20 is fixedly connected to the output end of the second electric cylinder 18 and is used to press down the cotton material in the feed hopper 1.

[0030] The second electric cylinder 18 drives the pressing rod 20 to press down in the feed hopper 1, so as to press the cotton material in the feed hopper 1 into the interception box 3, enabling the carding needles 7 to contact the cotton material, and thus carding the cotton material when the carding needles 7 move.

[0031] Embodiment 2. What is supplemented and explained in Embodiment 2 of this application on the basis of Embodiment 1 is a method for using an automatic carding machine for polyester-cotton cloth, including the following steps: Step 1, carding. Put the cotton material into the feed hopper 1. The second electric cylinder 18 drives the pressing rod 20 to descend, so that the pressing rod 20 presses the cotton material in the feeding hopper into the interception box 3. The first motor 8 installed on the frame 2 drives the rotating shaft 5 to rotate. When the rotating shaft 5 rotates, it drives the transmission belt 6 to be transmitted between the two rotating shafts 5, so that the carding needles 7 on the transmission belt 6 pick out the cotton material in the interception box 3 layer by layer through the interception groove 4. During this process, the impurities on the cotton material are left in the interception box 3 through the interception groove 4, thus realizing the carding action and cleaning the fabric at the same time. Step 2, impurity removal. The blower 16 installed on the collection box 9 blows air outside the collection box 9, so that a negative pressure is generated in the collection box 9 and the absorption tube 11. At this time, the first electric cylinder 13 drives the mounting plate 14 and the sliding rod 12 to move on the feed hopper 1, thereby driving the other absorber to move and approach the transmission belt 6, so that the two absorption boxes 10 suck the impurities remaining in the transmission belt 6 and the interception box 3 into the collection box 9, and the impurities are intercepted by the filter screen 15 arranged in the collection box 9, so that the impurities are left in the collection box 9.

[0032] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure and not to limit them. Although the present disclosure has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present disclosure can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present disclosure, and they should all be covered within the scope of the claims of the present disclosure.

Claims

1. An automatic carding machine for polyester-cotton fabric, comprising a feed hopper (1), wherein the feed hopper (1) is applied to the carding machine and is characterized in that: Also includes: A frame (2), the frame (2) being fixedly connected to the bottom end of the feed hopper (1), and the frame (2) being provided with a through slot communicating with the feed hopper (1); An interception box (3), the interception box (3) being fixedly connected to one side of the feed hopper (1), and one end of the interception box (3) being in communication with the feed hopper (1), and one side of the interception box (3) being provided with a plurality of interception grooves (4) capable of intercepting impurities on the cotton material; A combing mechanism, the combing mechanism being arranged in the frame (2) and capable of leaving impurities in the interception box (3) while combing the cotton material in the feed hopper (1); An impurity removal mechanism, the impurity removal mechanism being arranged on the frame (2) and being used for cleaning and collecting impurities intercepted in the interception box (3); A cotton pressing mechanism, wherein the cotton pressing mechanism is arranged in the feed hopper (1) and is used to press the cotton material in the feed hopper (1) toward the cotton combing mechanism.

2. The automatic carding machine for polyester-cotton fabric according to claim 1, characterized in that: The carding mechanism comprises: A rotating shaft (5), wherein two rotating shafts (5) are provided, and both rotating shafts (5) are rotatably connected in the frame (2); A transmission belt (6), the transmission belt (6) being transmission-connected between the two rotating shafts (5), a plurality of combing needles (7) being fixedly connected to the surface of the transmission belt (6), each of the intercepting grooves (4) being provided with a combing needle (7), capable of combing and conveying the cotton material; A first motor (8), wherein the first motor (8) is mounted on one side of the frame (2), and an output end of the first motor (8) passes through the frame (2) and is fixedly connected to one of the rotating shafts (5).

3. The automatic carding machine for polyester-cotton fabric according to claim 2, characterized in that: The impurity removal mechanism comprises: A collection box (9), the collection box (9) being fixedly connected to the top of the frame (2) via a support frame (22), and capable of gathering impurities into the collection box (9); An absorption box (10), wherein two absorption boxes (10) are provided, wherein two ends of one of the absorption boxes (10) are respectively connected to the interception box (3) and the collection box (9), and the other absorption box (10) is arranged in the feed hopper (1) via a moving component; An absorption tube (11), wherein two ends of the absorption tube (11) are respectively connected to another absorption box (10) and the collection box (9); An air suction component is arranged in the collection box (9) and is used to generate negative pressure in the two absorption boxes (10).

4. The automatic carding machine for polyester-cotton fabric according to claim 3, characterized in that: The mobile assembly comprises: A sliding rod (12), wherein two sliding rods (12) are provided, and the two sliding rods (12) are both slidably connected to one side of the feed hopper (1), and one end of the two sliding rods (12) is fixedly connected to another absorption box (10), so as to support the other absorption box (10) to move in the feed hopper (1); A first electric cylinder (13), wherein the first electric cylinder (13) is mounted on the other end of the two slide bars (12) via a mounting plate (14), and an output end of the first electric cylinder (13) passes through the mounting plate (14) and is fixedly connected to one side of the feed hopper (1).

5. The automatic carding machine for polyester-cotton fabric according to claim 4, characterized in that: The air suction component comprises: A filter screen (15), the filter screen (15) being fixedly connected to the collecting box (9) and used for separating impurities from the airflow; a fan (16), the fan (16) being installed on one side of the collecting box (9) and capable of discharging gas in the collecting box (9) so as to generate negative pressure in the collecting box (9); A sealing door (17), wherein the sealing door (17) is arranged on one side of the collection box (9), and the sealing door (17) can be opened to clean impurities in the collection box (9).

6. The automatic carding machine for polyester-cotton fabric according to claim 5, characterized in that: The cotton pressing mechanism comprises: a second electric cylinder (18), the second electric cylinder (18) being mounted on the top of the feed hopper (1) via a top frame (19); A pressing rod (20), the pressing rod (20) being fixedly connected to the output end of the second electric cylinder (18) and being used for pressing down the cotton material in the feed hopper (1).

7. The automatic carding machine for polyester-cotton fabric according to claim 6, characterized in that: A backflow plate (21) is fixedly connected to the feed hopper (1), and the other absorption box (10) is located below the backflow plate (21).

8. The automatic carding machine for polyester-cotton fabric according to claim 7, characterized in that: The feed hopper (1) is provided with two sliding holes, and the two sliding rods (12) are respectively slidably connected in the two sliding holes.

9. The automatic carding machine for polyester-cotton fabric according to claim 8, characterized in that: A through hole is provided on one side of the feed hopper (1), and the absorption tube (11) passes through the through hole and extends into the feed hopper (1).

10. A method for using an automatic carding machine for polyester-cotton fabric, using the automatic carding machine for polyester-cotton fabric according to claim 9, characterized in that: The following steps are involved: S1, combing cotton, putting cotton material into the feed hopper (1), driving the pressure rod (20) to descend through the second electric cylinder (18), so that the pressure rod (20) presses the cotton material in the lower hopper into the interception box (3), and driving the rotating shaft (5) to rotate through the first motor (8) installed on the frame (2). When the rotating shaft (5) rotates, it drives the transmission belt (6) to transmit between the two rotating shafts (5), so that the combing needles (7) on the transmission belt (6) pick out the cotton material in the interception box (3) layer by layer through the interception groove (4). In this process, impurities on the cotton material are retained in the interception box (3) through the interception groove (4), so that the cotton combing action is realized and the fabric is cleaned at the same time; S2, impurity removal, the fan (16) installed on the collection box (9) blows air out of the collection box (9), so that negative pressure is generated in the collection box (9) and the absorption tube (11), and at this time, the first electric cylinder (13) drives the mounting plate (14) and the slide bar (12) to move on the feed hopper (1), thereby driving the other absorption and moving close to the transmission belt (6), so that the two absorption boxes (10) absorb the impurities remaining in the transmission belt (6) and the interception box (3) into the collection box (9), and intercept the impurities through the filter screen (15) set in the collection box (9), so that the impurities remain in the collection box (9).