Carding machine with self-cleaning function

Abstract

The invention provides a carding machine with a self-cleaning function, and relates to the technical field of carding machines, the carding machine comprises a carding machine side bottom plate, a negative pressure cleaning assembly and a carding tooth cloth impurity cleaning assembly, the upper end of the carding machine side bottom plate is integrally provided with a carding main machine side plate; the outer side surfaces of the negative pressure cleaning assemblies are fixedly installed at the outer ends of the two carding machine side bottom plates, and the cotton carding tooth cloth impurity cleaning assembly is arranged between the carding machine side bottom plates and located between the negative pressure cleaning assemblies. Cotton cloth formed by cotton silk carding penetrates through the first cotton conveying roller, the second cotton conveying roller and the third cotton conveying roller, bypasses the cotton carding tooth cloth roller between the first cotton conveying roller and the third cotton conveying roller, and then is carded open through the cotton carding tooth cloth impurity cleaning assembly. Impurities combed by the cotton carding tooth cloth impurity cleaning assembly are cleaned through negative pressure through the negative pressure cleaning assembly, and compared with an existing carding machine, the cotton carding machine can better clean impurities wound around cotton cloth.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of carding machines, in particular to a carding machine with self-cleaning function. BACKGROUND

[0002] The carding machine is used for processing cotton fibers and chemical fibers and belongs to textile machinery. According to the spinning process, carding is an important process. The previous process of the carding machine is the opening and cleaning combined machine, and the subsequent process is the drawing frame (open-end process) or the lap machine (combing process). However, there are impurities and impure cotton in the processing of the carding machine. For example, the application number CN202011028337.5 discloses a carding machine with cotton dust removal function. The carding machine with cotton dust removal function includes a rack, a carding machine body, a cotton output conveying mechanism, a plurality of beating mechanisms and a dust collection mechanism. The carding machine body is installed on the rack. A dust removal cover is arranged on the rack. The dust removal cover is located on one side of the carding machine body. A cotton inlet is formed in the lower end of the side wall of the dust removal cover close to the carding machine body. A cotton outlet is formed in the lower end of the side wall of the dust removal cover away from the carding machine body. The cotton output conveying mechanism is arranged on the rack and located below the dust removal cover. The beating mechanisms are arranged on the inner wall of the dust removal cover. The dust collection mechanism is arranged on the rack and located on one side of the dust removal cover. The invention can better beat out the dust and impurities in the cotton and collect and process the beaten dust and impurities in time.

[0003] However, in the above technical solution, when the cotton cloth on the carding machine is beaten, only the dust attached thereto can be discharged, and the impurities and impure cotton entangled therein cannot be cleaned out, resulting in impure cotton color and impurity contamination of the subsequently processed cotton sliver. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a carding machine with self-cleaning function, which solves the problems raised in the background art.

[0005] To achieve the above purpose, the present application is implemented by the following technical solution: a carding machine with self-cleaning function, comprising a carding machine side bottom plate, a negative pressure cleaning assembly and a carding tooth cloth impurity cleaning assembly, the carding machine side bottom plate is integrally provided with a carding main machine side plate at the upper end, the negative pressure cleaning assembly is fixedly installed on the outer end of the two carding machine side bottom plates, and the carding tooth cloth impurity cleaning assembly is arranged between the carding machine side bottom plates and located between the negative pressure cleaning assemblies.

[0006] As a preferred, the carding main machine is fixedly installed between the carding main machine side plates, the carding main machine is provided with a carding machine digital display panel, and the carding main machine is provided with a carding machine upper top cover at the rear end.

[0007] As preferred, the inside of the carding machine side bottom plate is fixedly provided with a gauze roller support plate, and the gauze roller support plates are provided with carding gauze rollers.

[0008] As preferred, the inside of the carding machine side bottom plate is fixedly provided with a gauze roller support plate, and the gauze roller support plates are provided with carding gauze rollers.

[0009] As preferred, the negative pressure cleaning assembly comprises an outwardly expanded negative pressure cavity, an outwardly expanded negative pressure cavity pipe, a foreign matter filter core shell, a foreign matter filter air core group, a filter core shell upper cover, a shell upper cover handle, a negative pressure cavity connecting pipe and a filter core connecting inner pipe. The outwardly expanded negative pressure cavity is fixedly installed on the outer side surface of the carding machine side bottom plate, and the outer end of the outwardly expanded negative pressure cavity is fixedly connected with the outwardly expanded negative pressure cavity pipe. The foreign matter filter core shell is fixedly installed in the inside of the foreign matter filter core shell, and the inside end of the foreign matter filter core shell is fixedly installed with the filter core connecting inner pipe.

[0010] As preferred, the inside of the filter core shell upper end opening is provided with a filter core shell sealing gasket, the upper end of the filter core shell sealing gasket is provided with a filter core shell upper cover, and the upper end of the filter core shell upper cover is installed with a shell upper cover handle.

[0011] As preferred, the negative pressure fan bracket is fixedly installed in the inside of the negative pressure cavity connecting pipe, the outer end of the negative pressure fan bracket is provided with a negative pressure fan, and the side of the outwardly expanded negative pressure cavity is provided with a negative pressure cavity dustproof net.

[0012] As preferred, the foreign matter filter air core group comprises an air core group shell, an air core external connecting pipe, a booster cover connecting ring, an air core booster cover, an outer layer filter screen and a flow guide inner core. The air core group shell is integrally provided with the air core external connecting pipe at both ends, the air core external connecting pipe is connected with the negative pressure cavity connecting pipe and the filter core connecting inner pipe, the inside of the air core external connecting pipe is integrally provided with the booster cover connecting ring, the middle of the booster cover connecting ring is integrally provided with the air core booster cover, the inner wall of the air core group shell is provided with the outer layer filter screen, and the middle of the outer layer filter screen is provided with the flow guide inner core.

[0013] As preferred, the carding gauze foreign matter cleaning assembly comprises a cleaning assembly cover, a foreign hair connecting cavity, a gauze roller comb, a foreign hair emptying pipe shell and a foreign hair emptying pipe. A lint-connecting cavity is provided between the inner walls on both sides of the outer cover of the cleaning component. Several toothed cloth roller combs are fixedly installed on the lint-connecting cavity. A lint-clearing tube shell is integrally provided at the lower end of the lint-connecting cavity. Lint-clearing tubes are fixedly installed at both ends of the lint-clearing tube shell. The outer end of the lint-clearing tube is connected to the inner tube of the filter element.

[0014] Preferably, the outer shell of the hair removal tube has a comb-tooth inner cavity, and the hair removal tubes are connected by a hair removal inner tube, which has a plurality of hair removal openings. The rear end of the hair connection cavity is provided with a particle discharge groove.

[0015] This invention provides a carding machine with a self-cleaning function. It has the following beneficial effects: (1) The cotton cloth combed by the cotton fibers of the present invention passes through the first cotton conveying roller, the second cotton conveying roller and the third cotton conveying roller, wherein the cotton cloth is bypassed between the first cotton conveying roller and the third cotton conveying roller, and then the combed cotton cloth is combed open by the cotton cloth impurity cleaning component, and the impurities combed down from the cotton cloth impurity cleaning component are cleaned by negative pressure by the negative pressure cleaning component. Compared with the current carding machine, it can better clean the impurities entangled in the cotton cloth. (2) By connecting the inner tube of the filter element to the impurity cleaning component of the carding cloth, the wind pressure generated by the negative pressure fan on the negative pressure fan bracket is used to extract the impurities combed out by the carding cloth impurity cleaning component through the impurity filter air core assembly. The impurity filter air core assembly can be replaced and cleaned by opening the filter element housing cover at the top of the impurity filter element housing. The impurities extracted by negative pressure, mixed with air, pass through the outer pipe of the air core, flow through the air core pressurization cover to guide the flow of the inner core outer ring, and are filtered out by the outer filter screen; (3) In this invention, the toothed cloth roller comb teeth are inserted between the toothed needles of the toothed cloth to pick out the impurities mixed in the cotton cloth combed between the toothed needles. The impurities and cotton are sucked out by negative pressure through the inner cavity of the comb teeth and the particle discharge groove. The sucked-in impurities are discharged through the impurity cleaning opening and through the impurity cleaning tube on the side. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a structural schematic diagram from another perspective of the present invention; Figure 3 This is a schematic diagram of the negative pressure cleaning component in this invention; Figure 4 This is a front view of the negative pressure cleaning component in this invention. Figure 5 For the present invention Figure 4 Schematic diagram of the cross-sectional structure of line aa in the middle; Figure 6 This is a schematic diagram of the air filter core assembly for impurities in this invention; Figure 7 This is a side view of the air filter core assembly for impurities in this invention. Figure 8 For the present invention Figure 7 Schematic diagram of the cross-sectional structure of the middle BB line; Figure 9 This is a schematic diagram of the structure of the carding cloth impurity cleaning component in this invention; Figure 10 This is a side view of the impurity cleaning component of the carding cloth in this invention. Figure 11 For the present invention Figure 10 A schematic diagram of the cross-sectional structure of the middle CC line.

[0017] The components include: 1. Carding machine side base plate; 2. Carding main unit side plate; 3. Negative pressure cleaning assembly; 301. Externally expanded negative pressure chamber; 302. Negative pressure chamber external expansion pipe; 303. Impurity filter element shell; 304. Impurity filter air core assembly; 3041. Air core assembly shell; 3042. Air core external pipe; 3043. Pressure boosting cover connecting ring; 3044. Air core pressure boosting cover; 3045. Outer filter screen; 3046. Inner guide core; 305. Filter element shell top cover; 306. Shell top cover handle; 307. Negative pressure chamber connecting pipe; 308. Filter element connecting inner pipe; 309. Negative pressure chamber dustproof net; 310. Negative pressure fan bracket; 311. Negative pressure fan; 31 2. Filter cartridge housing sealing gasket; 4. Carding toothed cloth impurity cleaning assembly; 401. Cleaning assembly outer cover; 402. Impurity connecting cavity; 403. Carding cloth roller comb teeth; 404. Impurity cleaning tube housing; 405. Impurity cleaning tube; 406. Comb tooth inner cavity; 407. Particle external discharge groove; 408. Impurity cleaning inner tube; 409. Impurity cleaning opening; 5. Carding cloth roller support plate; 6. Carding cloth roller; 7. Carding cloth roller adjusting bolt; 8. Carding machine top cover; 9. Carding machine main unit; 10. Carding machine digital display panel; 11. Main unit control panel; 12. Cotton conveyor roller mounting side plate; 13. First cotton conveyor roller; 14. Second cotton conveyor roller; 15. Third cotton conveyor roller. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] like Figures 1-2As shown, this embodiment of the invention provides a carding machine with a self-cleaning function, including a carding machine side base plate 1, a negative pressure cleaning component 3, and a carding tooth cloth impurity cleaning component 4. A carding main unit side plate 2 is integrally disposed on the upper end of the carding machine side base plate 1. The outer surface of the negative pressure cleaning component 3 is fixedly installed on the outer ends of the two carding machine side base plates 1. The carding tooth cloth impurity cleaning component 4 is disposed between the carding machine side base plates 1 and between the negative pressure cleaning components 3. A carding main unit 9 is fixedly installed between the carding main unit side plates 2. A carding machine digital display panel 10 is disposed on the carding main unit 9. The rear end is provided with a carding machine top cover 8. A toothed cloth roller support plate 5 is fixedly installed on the inner side of the carding machine side bottom plate 1. A carding toothed cloth roller 6 is arranged between the toothed cloth roller support plates 5. A toothed cloth roller adjusting bolt 7 is provided at the upper end of the carding main machine side plate 2 to limit the inner shaft of the carding toothed cloth roller 6 between the carding machine side bottom plate 1 and the carding main machine side plate 2. A main machine control panel 11 is provided on the side of the carding main machine side plate 2. A cotton conveying roller mounting side plate 12 is provided on the inner side of the carding main machine side plate 2. A first cotton conveying roller 13, a second cotton conveying roller 14 and a third cotton conveying roller 15 are rotatably installed between the cotton conveying roller mounting side plates 12.

[0020] In the above technical solution, the cotton cloth formed by the cotton fibers passes through the first cotton conveying roller 13, the second cotton conveying roller 14 and the third cotton conveying roller 15, with the cotton cloth passing around the carding tooth roller 6 between the first cotton conveying roller 13 and the third cotton conveying roller 15. Then, the carding cloth impurity cleaning component 4 combs the cotton cloth open, and the impurities combed down from the carding cloth impurity cleaning component 4 are cleaned by negative pressure cleaning component 3. Compared with the current carding machine, it can better clean the impurities entangled in the cotton cloth.

[0021] like Figure 1 , Figures 3-5As shown, the negative pressure cleaning assembly 3 includes: an expanding negative pressure chamber 301, a negative pressure chamber expansion pipe 302, an impurity filter element shell 303, an impurity filter air core assembly 304, a filter element shell cover 305, a shell cover handle 306, a negative pressure chamber connecting pipe 307, and a filter element connecting inner pipe 308; the expanding negative pressure chamber 301 is fixedly installed on the outer surface of the carding machine side base plate 1, the outer end of the expanding negative pressure chamber 301 is fixedly connected to the negative pressure chamber expansion pipe 302, the inner end of the expanding negative pressure chamber 301 is fixedly installed to the negative pressure chamber connecting pipe 307, and the inner end of the negative pressure chamber connecting pipe 307 is fixedly connected to the impurity filter element shell 303; the impurity filter... An impurity filter air core assembly 304 is fixedly installed inside the core housing 303. A filter element connecting inner tube 308 is fixedly installed at the inner end of the impurity filter element housing 303. A filter element housing sealing gasket 312 is provided in the upper opening of the impurity filter element housing 303. A filter element housing top cover 305 is provided at the upper end of the filter element housing sealing gasket 312. A top cover handle 306 is installed at the upper end of the top cover 305. A negative pressure fan bracket 310 is fixedly installed inside the negative pressure chamber connecting tube 307. A negative pressure fan 311 is provided at the outer end of the negative pressure fan bracket 310. A negative pressure chamber dustproof net 309 is provided on the side of the outwardly expanding negative pressure chamber 301.

[0022] like Figure 3 , Figures 6-8 As shown, the impurity filter air core assembly 304 includes: an air core assembly shell 3041, an air core outer pipe 3042, a pressure boosting cover connecting ring 3043, an air core pressure boosting cover 3044, an outer filter screen 3045, and a flow guide inner core 3046; the air core assembly shell 3041 is integrally provided with air core outer pipes 3042 at both ends, the air core outer pipes 3042 are connected to the negative pressure chamber connecting pipe 307 and the filter element connecting inner pipe 308, the pressure boosting cover connecting ring 3043 is integrally provided on the inner side of the air core outer pipe 3042, the air core pressure boosting cover 3044 is integrally provided in the middle of the pressure boosting cover connecting ring 3043, the outer filter screen 3045 is provided on the inner wall of the air core assembly shell 3041, and the flow guide inner core 3046 is provided in the middle of the outer filter screen 3045.

[0023] In the above technical solution, by connecting the filter element connecting inner tube 308 to the carding cloth impurity cleaning assembly 4, the air pressure generated by the negative pressure fan 311 on the negative pressure fan bracket 310 is used to extract the impurities combed out by the carding cloth impurity cleaning assembly 4 through the impurity filter air core assembly 304. The impurity filter air core assembly 304 can be replaced and cleaned by opening the filter element housing cover 305 at the upper end of the impurity filter element housing 303. The impurities extracted by negative pressure, mixed with air, pass through the outer pipe 3042 of the air core, flow through the air core pressurization cover 3044 to the outer ring of the inner core 3046, and are filtered out by the outer filter screen 3045.

[0024] like Figure 1 , Figures 8-11 As shown, the carding cloth impurity cleaning assembly 4 includes: a cleaning assembly outer cover 401, a lint connecting cavity 402, carding cloth roller comb teeth 403, a lint removal tube outer shell 404, and a lint removal tube 405; the lint connecting cavity 402 is provided between the inner walls of both sides of the cleaning assembly outer cover 401, and a plurality of carding cloth roller comb teeth 403 are fixedly installed on the lint connecting cavity 402; the lint removal tube outer shell 404 is integrally provided at the lower end of the lint connecting cavity 402. The outer shell 404 of the lint removal tube is fixedly installed with lint removal tubes 405 at both ends. The outer end of the lint removal tube 405 is connected to the inner tube 308 of the filter element. The outer shell 404 of the lint removal tube is provided with a comb-tooth inner cavity 406. The lint removal tubes 405 are connected by a lint removal inner tube 408. The lint removal inner tube 408 is provided with a plurality of lint removal openings 409. The rear end of the lint connection cavity 402 is provided with a particle discharge groove 407.

[0025] In the above technical solution, the toothed cloth roller comb 403 is inserted between the toothed needles of the toothed cloth to pick out the impurities mixed in the cotton cloth combed between the toothed needles. The impurities and stale cotton are sucked out by negative pressure through the inner cavity 406 of the comb teeth and the particle discharge groove 407. The sucked-in impurities are discharged through the stale cotton removal opening 409 and through the stale cotton removal pipe 405 on the side.

[0026] Working principle: In this invention, the cotton fabric combed from cotton fibers passes through the first cotton conveying roller 13, the second cotton conveying roller 14, and the third cotton conveying roller 15, wherein the cotton fabric passes around the carding tooth cloth roller 6 between the first cotton conveying roller 13 and the third cotton conveying roller 15. Then, the combed cotton fabric is combed open by the carding tooth cloth impurity cleaning component 4, and the impurities combed down from the carding tooth cloth impurity cleaning component 4 are cleaned by negative pressure by the negative pressure cleaning component 3. Compared with current carding machines, this invention can better clean the impurities entangled in the cotton fabric. In this process, by connecting the filter element connecting inner tube 308 to the carding cloth impurity cleaning assembly 4, the air pressure generated by the negative pressure fan 311 on the negative pressure fan bracket 310 is used to extract the impurities combed out by the carding cloth impurity cleaning assembly 4 through the impurity filter air core assembly 304. The impurity filter air core assembly 304 can be replaced and cleaned by opening the filter element housing cover 305 at the top of the impurity filter element housing 303. The impurities extracted by negative pressure, mixed with air, pass through the outer pipe 3042 of the air core, flow through the air core pressurization cover 3044 to the outer ring of the inner core 3046, and are filtered out by the outer filter screen 3045. In this process, the toothed roller comb 403 is inserted between the toothed needles of the toothed cloth to pick out the impurities mixed in the cotton cloth combed between the toothed needles. The impurities and stale cotton are sucked out by negative pressure through the inner cavity 406 of the comb teeth and the particle discharge groove 407. The sucked-in impurities are discharged through the stale cotton removal opening 409 and through the stale cotton removal pipe 405 on the side.

[0027] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. All obvious variations or modifications derived from the technical solutions of the present invention are still within the protection scope of the present invention.

Claims

1. A carding machine with a self-cleaning function, comprising a carding machine side base plate (1), a negative pressure cleaning component (3), and a carding tooth cloth impurity cleaning component (4), characterized in that, The carding machine side base plate (1) is integrally provided with a carding main unit side plate (2) at the upper end. The outer surface of the negative pressure cleaning component (3) is fixedly installed on the outer end of the two carding machine side base plates (1). The carding tooth cloth impurity cleaning component (4) is arranged between the carding machine side base plates (1) and between the negative pressure cleaning components (3).

2. A carding machine with self-cleaning function according to claim 1, characterized in that, The carding machine host (9) is fixedly installed between the side plates (2) of the carding machine host. The carding machine host (9) is provided with a carding machine digital display panel (10). The carding machine host (9) is provided with a carding machine top cover (8) at the rear end.

3. A carding machine with self-cleaning function according to claim 2, characterized in that, A toothed cloth roller support plate (5) is fixedly installed on the inner side of the carding machine side base plate (1). A carding toothed cloth roller (6) is arranged between the toothed cloth roller support plates (5). A toothed cloth roller adjusting bolt (7) is provided at the upper end of the carding main machine side plate (2) to limit the inner shaft of the carding toothed cloth roller (6) between the carding machine side base plate (1) and the carding main machine side plate (2). A main machine control panel (11) is provided on the side of the carding main machine side plate (2).

4. A carding machine with self-cleaning function according to claim 3, characterized in that, The inner side of the carding machine side plate (2) is provided with a cotton conveying roller mounting side plate (12), and a first cotton conveying roller (13), a second cotton conveying roller (14) and a third cotton conveying roller (15) are rotatably mounted between the cotton conveying roller mounting side plates (12).

5. A carding machine with self-cleaning function according to claim 4, characterized in that, The negative pressure cleaning assembly (3) includes: an externally expanding negative pressure chamber (301), a negative pressure chamber external expansion pipe (302), an impurity filter element shell (303), an impurity air filter core assembly (304), a filter element shell cover (305), a shell cover handle (306), a negative pressure chamber connecting pipe (307), and a filter element connecting inner pipe (308). The externally expanded negative pressure chamber (301) is fixedly installed on the outer surface of the side bottom plate (1) of the carding machine. The outer end of the externally expanded negative pressure chamber (301) is fixedly connected to the negative pressure chamber expansion pipe (302). The inner end of the externally expanded negative pressure chamber (301) is fixedly installed with the negative pressure chamber connecting pipe (307). The inner end of the negative pressure chamber connecting pipe (307) is fixedly connected to the impurity filter element shell (303). An impurity filter air core assembly (304) is fixedly installed inside the impurity filter housing (303), and a filter element connecting inner tube (308) is fixedly installed at the inner end of the impurity filter housing (303).

6. A carding machine with self-cleaning function according to claim 5, characterized in that, The filter cartridge housing (303) is provided with a filter cartridge housing sealing gasket (312) in the upper opening, and a filter cartridge housing cover (305) is provided on the upper end of the filter cartridge housing sealing gasket (312). A cover handle (306) is installed on the upper end of the filter cartridge housing cover (305).

7. A carding machine with self-cleaning function according to claim 6, characterized in that, A negative pressure fan bracket (310) is fixedly installed inside the negative pressure chamber connecting pipe (307). A negative pressure fan (311) is provided at the outer end of the negative pressure fan bracket (310). A negative pressure chamber dustproof net (309) is provided on the side of the expanded negative pressure chamber (301).

8. A carding machine with self-cleaning function according to claim 7, characterized in that, The impurity filter air core assembly (304) includes: an air core assembly shell (3041), an air core outer pipe (3042), a pressure-boosting cover connecting ring (3043), an air core pressure-boosting cover (3044), an outer filter screen (3045), and a flow guide inner core (3046). The air core assembly shell (3041) is integrally provided with air core outer pipes (3042) at both ends. The air core outer pipes (3042) are connected to the negative pressure chamber connecting pipe (307) and the filter element connecting inner pipe (308). The air core outer pipes (3042) are integrally provided with a pressure boosting cover connecting ring (3043) on the inner side. The pressure boosting cover connecting ring (3043) is integrally provided with an air core pressure boosting cover (3044) in the middle. The air core assembly shell (3041) is provided with an outer filter screen (3045) on the inner wall. The outer filter screen (3045) is provided with a flow guiding inner core (3046) in the middle.

9. A carding machine with self-cleaning function according to claim 8, characterized in that, The carding cloth impurity cleaning component (4) includes: a cleaning component outer cover (401), a lint connecting cavity (402), a carding cloth roller comb (403), a lint emptying tube outer shell (404), and a lint emptying tube (405). A lint-connecting cavity (402) is provided between the inner walls of both sides of the outer cover (401) of the cleaning component. Several toothed cloth roller combs (403) are fixedly installed on the lint-connecting cavity (402). A lint-clearing tube shell (404) is integrally provided at the lower end of the lint-connecting cavity (402). Lint-clearing tubes (405) are fixedly installed at both ends of the lint-clearing tube shell (404). The outer end of the lint-clearing tube (405) is connected to the inner tube (308) of the filter element connection.

10. A carding machine with self-cleaning function according to claim 9, characterized in that, The outer shell (404) of the hair removal tube is provided with a comb-tooth inner cavity (406), and the hair removal tubes (405) are connected by a hair removal inner tube (408), and the hair removal inner tube (408) is provided with a plurality of hair removal openings (409). The rear end of the hair connection cavity (402) is provided with a particle discharge groove (407).

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