Cationic polyester T8 hole retro fabric and manufacturing process thereof

Abstract

The invention relates to a cation polyester T8 hole retro fabric and a manufacturing process thereof, and relates to the technical field of T8 fabrics, the cation polyester T8 hole retro fabric comprises a gray cloth layer, a waterproof layer is arranged on gray cloth, the waterproof layer is formed by interweaving 50D polyester T800 and 50D cations, the gray cloth layer is formed by interweaving polyester cations with 140 warp density * 100 weft density, and in the drying process, through an adjustable water squeezing assembly, the gray cloth layer is formed by interweaving polyester cations with 140 warp density and 100 weft density. According to the fabric drying device, excessive moisture of fabric can be squeezed out, the drying time is shortened, the drying efficiency is improved, through the drying assembly, an exhaust fan, a dehumidification box, a drying machine and an air blowing head, the two faces of the fabric can be dried at the same time, air circulation in the drying box is accelerated, after water vapor generated in the drying process is dehumidified, the fabric is dried again, and the drying efficiency is improved. Through the waterproof layer, the fabric has an excellent waterproof effect, also has good weft elasticity, has a unique hole and heather grey retro style, is very suitable for fashion and casual clothes, and meets the pursuit of consumers for fashion and quality.

Description

Technical Field

[0001] The invention relates to the technical field of T8 fabrics, and in particular to a positive polyester T8 hole retro fabric and a manufacturing process thereof. Background Art

[0002] With the improvement of living standards, the clothing industry has developed rapidly. In order to meet different clothing needs, a variety of fabrics have emerged. As one of the important elements of clothing design and manufacturing, fabrics not only show the appearance color, style and visual effects of clothing, but people also have high requirements for the material, performance and comfort of fabrics. This year, a T8 fabric has appeared. It is a new type of fiber with a unique spiral microstructure. It is composed of countless tiny structures like spiral springs, which gives T8 fabrics extreme elasticity, cotton feel, and moisture absorption and quick-drying properties. This fabric is mainly used for casual wear, sportswear, T8 fabric is popular in the market for weaving outdoor clothes and beach pants due to its unique structure and characteristics. In addition, T8 fabric has the characteristics of good air permeability, is not close to the body when worn, and feels cool. It usually does not need to be ironed, which can save time and cost and maintain the beauty of clothing. However, it cannot meet market demand in terms of weft elasticity, waterproofness, color and structure. The existing T8 fabric usually includes desizing, drying, shaping, etc. in the preparation process, but when drying the fabric, it is not possible to squeeze the water out of the fabric in advance, and when drying, it is not convenient to reuse the hot air in the drying box after dehumidification, which affects the drying effect and efficiency. Summary of the invention

[0003] In order to overcome the technical defects of the prior art, the present invention provides a cathodic T8 hole retro fabric and a production process thereof. During the preparation, the drying effect and drying rate are improved. When the preparation is completed, the fabric has excellent waterproof effect, good weft elasticity, and unique holes and hemp gray retro style.

[0004] The technical solution adopted by the present invention is: a cationic polyester T8 hole retro fabric, including a grey cloth layer, characterized in that: a waterproof layer is provided on the grey cloth, the waterproof layer is composed of 50D polyester T800+50D cationic, and the tire cloth layer is interwoven with polyester cationic with a warp density of 140 and a weft density of 100.

[0005] A process for producing a retro-style fabric with a nylon T8 hole, characterized in that it comprises the following steps: Step 1: Fabric distribution: weaving the fabric layers separately and bonding them; Step 2, desizing: Desizing the prepared fabric at a temperature of 90-95℃ and a speed of 50-60m / min, and add the following additives in order according to the amount of water, that is, add 1-4g / l of chelating agent at a uniform speed within 5-10 minutes for every liter of water; add 10-12g / l of liquid at a uniform speed within 5-10 minutes; add 3-6g / l of sodium dodecyl sulfonate as a refining agent at a uniform speed within 5-10 minutes, Tuona Chemical's desizing agent CDA 033-4g / l, and degreasing agent EWN200% 032--4g / l; Step 3, cylinder back-perforation: add 10g / l of liquid alkali, 1.5g / l of refining agent, and 0.5g / l of degreasing agent according to the amount of water, then heat it to 100--105 degrees, keep it warm for 40 minutes, pay attention to the temperature should not be too low or too high, too low will cause poor dissolution of silk holes, too high will affect the strength of the fabric; Step 4: Dyeing: Add auxiliaries and disperse dyes per liter of water during the dyeing process; the dyeing temperature is 130 degrees; Step 5, reduction washing: During the reduction washing process, add auxiliary agents according to the amount of water per liter; among them, add the dispersing emulsifier DLP-012-3g / l of Tuona Chemical, the temperature is 85 degrees, and keep warm for 30 minutes; add the dispersing emulsifier DLP-01 of Tuona Chemical to fully emulsify and disperse the residual surfactants in the fiber dyeing process, so that the water on the cloth surface is clean and the anti-siphon effect is guaranteed later; Step 6: Spread the cloth: Spread the rope cloth into a flat width and place it in the cloth cart for subsequent processing at a speed of 40-50 yards / minute; Step 7: Drying: Dry the dyed fabric for subsequent processing at a temperature of 170-185°C and a drying speed of 40-70 yards per minute. Step 8: Shaping: Add 4-6% of the total liquid volume of fluorine-free waterproofing agent (Rudolf ECO) to a certain amount of water to obtain a finished product with a total number of 255-280T.

[0006] Preferably, in order to facilitate drying of the fabric after dyeing, in step seven, a drying device for drying the fabric includes a support plate, a drying box is installed on the support plate, a dryer is provided on one side of the drying box, a drying head is installed at the output end of the dryer, and the drying head is respectively located at the top and bottom of the drying box, an adjustable water squeezing component is provided on the support plate and on one side of the drying box, an exhaust fan is provided on the upper surface of the drying box, a drying component that can be used for guiding is installed inside the drying box, an air outlet end of the exhaust fan is fixedly connected to the drying component, a dehumidification box with an activated carbon plate placed inside is installed on the upper surface of the drying box and on one side of the exhaust fan, the dehumidification box is communicated with the drying box, and the air inlet end of the exhaust fan is fixedly connected to the dehumidification box, a driving component for transmitting the fabric is provided inside the drying box, and a servo motor for driving the driving component is provided on one side of the drying box and on one side of the dryer.

[0007] Preferably, in order to facilitate squeezing out water from the fabric, the adjustable water squeezing assembly includes a mounting arm, the mounting arm is fixedly mounted on the support plate, a first water squeezing roller is mounted between the mounting arms, a slide groove is provided on the mounting arm, a second water squeezing roller is slidably clamped on the slide groove, a threaded rod is rotatably mounted inside the slide groove, the threaded rod is threadedly connected to the second water squeezing roller, a hand wheel is fixedly mounted on one end of the threaded rod extending to the upper end of the mounting arm, the threaded rod is rotated by turning the hand wheel, the second water squeezing roller moves, and the distance between the first water squeezing roller and the second water squeezing roller is adjusted.

[0008] Preferably, in order to collect the squeezed water, a collecting box is provided on the support plate, a water guide plate is installed on the collecting box, and the water guide plate is located below the first water squeezing roller.

[0009] Preferably, in order to facilitate buffering of the fabric, a mounting column is provided on the support plate and located on one side of the collection box, a mounting groove is provided on the mounting column, a mounting groove is provided on the mounting groove, a sliding rod is fixedly installed inside the mounting groove, a guide roller is slidably installed inside the mounting groove, the guide roller is plugged into the sliding rod, and a spring is sleeved on the sliding rod, and both ends of the spring are fixedly connected to the mounting groove and the sliding rod respectively.

[0010] Preferably, in order to facilitate drying of the fabric, the drying component includes a drying drum, the drying drum is rotatably installed inside the drying box, the interior of the drying drum is a hollow structure, and the drying drum is provided with blowing holes arranged in an array, one end of the drying drum is connected to an exhaust pipe, and the exhaust pipe is connected to the exhaust fan.

[0011] Preferably, in order to facilitate driving the fabric, the driving assembly has a first driving roller and a second driving roller, the first driving roller is rotatably installed inside the drying box, and the first driving roller is fixedly connected to the output end of the servo motor, and one end of the first driving roller and the second driving roller are fixedly installed with rotating gears, and the rotating gears are meshed with each other, and the servo motor rotates, the first driving roller rotates, and the rotating gear rotates, so that the second driving roller rotates.

[0012] The beneficial effects of the present invention are as follows: the waterproof layer makes the fabric have excellent waterproof effect, good weft elasticity, unique holes and linen gray retro style, and is very suitable for fashionable casual clothing, satisfying consumers' pursuit of fashion and quality. In the drying process, the adjustable water squeezing component can be used to squeeze out excess water from the fabric, shorten the drying time, and improve the drying efficiency. The drying component, exhaust fan, dehumidification box, dryer and hair dryer can be used to dry both sides of the fabric at the same time, which can speed up the air circulation inside the drying box, and after dehumidifying the water vapor generated during the drying process, the fabric is dried again, thereby improving the drying effect and the drying rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional structural schematic diagram of the drying equipment of the present invention; Figure 2 for Figure 1 Schematic diagram of point A; Figure 3 It is a structural schematic diagram of the present invention from the right side viewing angle; Figure 4 It is a structural schematic diagram of the present invention from a left side perspective; Figure 5 It is a structural schematic diagram of the adjustable water squeezing assembly of the present invention; Figure 6 It is a structural schematic diagram of the drying component of the present invention; Figure 7 It is a structural schematic diagram of the driving assembly of the present invention; Figure 8 It is a schematic diagram of the manufacturing process of the present invention.

[0014] Explanation of the accompanying drawings: In the figure: 1, support plate; 2, drying box; 3, dryer; 4, drying head; 5, adjustable water squeezing assembly; 501, mounting arm; 502, first water squeezing roller; 503, slide groove; 504, second water squeezing roller; 505, threaded rod; 506, hand wheel; 6, exhaust fan; 7, drying assembly; 701, drying roller; 702, blowing hole; 703, exhaust pipe; 8, dehumidification box; 9, driving assembly; 901, first driving roller; 902, second driving roller; 903, rotating gear; 10, servo motor; 11, collecting box; 12, water guide plate; 13, mounting column; 14, mounting groove; 15, slide rod; 16, guide roller; 17, spring. DETAILED DESCRIPTION

[0015] The present invention will be further described below in conjunction with the accompanying drawings: like Figure 1-Figure 8 As shown, this embodiment provides a cationic polyester T8 hole retro fabric, including a grey cloth layer, characterized in that: a waterproof layer is provided on the grey cloth, the waterproof layer is composed of 50D polyester T800+50D cationic, and the tire cloth layer is woven from polyester cationic with a warp density of 140 and a weft density of 100.

[0016] A process for producing a retro-style fabric with a nylon T8 hole, characterized in that it comprises the following steps: Step 1: Fabric distribution: weaving the fabric layers separately and bonding them; Step 2, desizing: Desizing the prepared fabric at a temperature of 90-95℃ and a speed of 50-60m / min, and add the following additives in order according to the amount of water, that is, add 1-4g / l of chelating agent at a uniform speed within 5-10 minutes for every liter of water; add 10-12g / l of liquid at a uniform speed within 5-10 minutes; add 3-6g / l of sodium dodecyl sulfonate as a refining agent at a uniform speed within 5-10 minutes, Tuona Chemical's desizing agent CDA 033-4g / l, and degreasing agent EWN200% 032--4g / l; Step 3, cylinder back-perforation: add 10g / l of liquid alkali, 1.5g / l of refining agent, and 0.5g / l of degreasing agent according to the amount of water, then heat up to 100--105 degrees, keep warm for 40 minutes, pay attention to the temperature should not be too low or too high, too low will cause poor dissolution of silk holes, too high will affect the strength of the fabric; Step 4: Dyeing: Add auxiliaries and disperse dyes per liter of water during the dyeing process; the dyeing temperature is 130 degrees; Step 5, reduction washing: During the reduction washing process, add auxiliary agents according to the amount of water per liter; among them, add the dispersing emulsifier DLP-012-3g / l of Tuona Chemical, the temperature is 85 degrees, and keep warm for 30 minutes; add the dispersing emulsifier DLP-01 of Tuona Chemical to fully emulsify and disperse the residual surfactants in the fiber dyeing process, so that the water on the cloth surface is clean and the anti-siphon effect is guaranteed later; Step 6: Spread the cloth: Spread the rope cloth into a flat width and place it in the cloth cart for subsequent processing at a speed of 40-50 yards / minute; Step 7: Drying: Dry the dyed fabric for subsequent processing at a temperature of 170-185°C and a drying speed of 40-70 yards per minute. Step 8: Finalization: Add 4-6% of the total liquid volume of fluorine-free waterproofing agent Rudolf ECO to a certain amount of water to obtain a finished product with a total number of 255-280T. In step seven, a drying device for drying fabrics comprises a support plate 1, a drying box 2 is mounted on the support plate 1, a drying machine 3 is arranged on one side of the drying box 2, a drying head 4 is arranged on the output end of the drying machine 3, the drying heads 4 are respectively located at the top and the bottom of the drying box 2, so as to facilitate drying the upper and lower surfaces of the fabrics and improve the drying rate; an adjustable water squeezing component 5 is arranged on the support plate 1 and located on one side of the drying box 2, the water on the fabrics can be squeezed out by the adjustable water squeezing component 5, so as to facilitate the drying of the fabrics by the drying component 7 and improve the drying effect; an exhaust fan 6 is arranged on the upper surface of the drying box 2, a drying component 7 which can be used for guidance is installed inside the drying box 2, and an air outlet end of the exhaust fan 6 is provided. A dehumidification box 8 with an activated carbon plate placed inside is fixedly connected to the drying component 7, and is installed on the upper surface of the drying box 2 and on one side of the exhaust fan 6. The dehumidification box 8 is communicated with the drying box 2, and the air inlet end of the exhaust fan 6 is fixedly connected to the dehumidification box 8. The exhaust fan 6 is used to conveniently extract the hot air and water vapor inside the drying box 2, and the moisture is removed through the dehumidification box 8. At the same time, the hot air can be reused and can be adhered to the lower surface of the fabric for drying, thereby improving the drying effect. A driving component 9 for transmitting the fabric is provided inside the drying box 2. The driving component 9 is used to facilitate driving the fabric to move. A servo motor 10 for driving the driving component 9 is provided on one side of the drying box 2 and on one side of the dryer 3.

[0017] The adjustable squeezing assembly 5 includes a mounting arm 501, which is fixedly mounted on the support plate 1, a first squeezing roller 502 is mounted between the mounting arms 501, a slide groove 503 is provided on the mounting arm 501, a second squeezing roller 504 is slidably clamped on the slide groove 503, a threaded rod 505 is rotatably mounted inside the slide groove 503, the threaded rod 505 is threadedly connected to the second squeezing roller 504, and a hand wheel 506 is fixedly mounted on one end of the threaded rod 505 extending to the upper end of the mounting arm 501. By turning the hand wheel 506, the threaded rod 505 rotates, and the second squeezing roller 504 moves, so as to adjust the distance between the first squeezing roller 502 and the second squeezing roller 504, so as to facilitate the compression of the fabric, and then squeeze out the excess water when the fabric moves, so as to facilitate the drying assembly 7 to dry the fabric, shorten the drying time, and improve the drying efficiency.

[0018] A collecting box 11 is provided on the support plate 1, and a water guide plate 12 is installed on the collecting box 11. The water guide plate 12 is located below the first squeezing roller 502. Through the water guide plate 12, the water squeezed out of the fabric can be guided to the inside of the collecting box 11 for collection. A mounting column 13 is provided on the support plate 1 and located on one side of the collecting box 11. A mounting groove 14 is provided on the mounting column 13. A mounting groove 14 is provided on the mounting groove 14. A slide bar 15 is fixedly installed inside the mounting groove 14. A guide roller 16 is slidably installed inside the mounting groove 14. The guide roller 16 is plugged into the slide bar 15, and a spring 17 is sleeved on the slide bar 15. Both ends of the spring 17 are fixedly connected to the mounting groove 14 and the slide bar 15 respectively. Through the spring 17, the fabric can maintain a suitable tension when it moves, thereby avoiding damage to the fabric when it moves.

[0019] The drying assembly 7 includes a drying drum 701, which is rotatably installed inside the drying box 2. The interior of the drying drum 701 is a hollow structure, and the drying drum 701 is provided with blowing holes 702 arranged in an array. One end of the drying drum 701 is connected to an exhaust pipe 703, and the exhaust pipe 703 is connected to the exhaust fan 6. The exhaust fan 6 absorbs moisture from the water vapor and hot air inside the drying box 2 through the dehumidification box 8 and the activated carbon plate, which can speed up the air circulation inside the drying box 2, avoid the accumulation of water vapor inside the drying box 2, and affect the drying effect, and transfer the hot air with removed moisture to the exhaust pipe 703, and dry the fabric through the blowing holes 702, thereby improving the drying effect.

[0020] The driving component 9 comprises a first driving roller 901 and a second driving roller 902. The first driving roller 901 is rotatably installed inside the drying box 2, and the first driving roller 901 is fixedly connected to the output end of the servo motor 10. A rotating gear 903 is fixedly installed at one end of the first driving roller 901 and the second driving roller 902, and the rotating gears 903 are meshed with each other. When the servo motor 10 rotates, the first driving roller 901 rotates, and the rotating gear 903 rotates, so that the second driving roller 902 rotates. When the first driving roller 901 and the second driving roller 902 rotate, the fabric is driven to move, thereby improving the drying efficiency and saving manpower.

[0021] When the drying device of the present invention is working in the drying process, the fabric is assembled on the adjustable squeezing component 5, the drying component 7, and the driving component 9, the hand wheel 506 is turned, the threaded rod 505 rotates, the second squeezing roller 504 moves, the position of the second squeezing roller 504 is adjusted, the fabric is pressed, the water is squeezed from the fabric in advance, the water content of the fabric is reduced, and the drying component 7, the dryer 3, and the drying head 4 are convenient for drying the fabric, the drying time is shortened, and the drying efficiency is improved. The dryer 3 is started, and the hot air is transmitted to the drying head 4, and the hot air is blown to the upper and lower surfaces of the fabric through the drying head 4. Start the exhaust fan 6, and absorb the water vapor and hot air inside the drying box 2 through the dehumidification box 8 and the activated carbon plate, which can speed up the air circulation inside the drying box 2, avoid the accumulation of water vapor inside the drying box 2 and affect the drying effect, and transfer the hot air without moisture to the exhaust pipe 703 and the drying drum 701, and dry the fabric through the blowing hole 702, thereby improving the drying effect. At the same time, start the servo motor 10, the first drive roller 901 rotates, the rotating gear 903 rotates, and the second drive roller 902 rotates, driving the fabric to move, thereby improving the drying efficiency and saving manpower.

[0022] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A cationic polyester T8 hole retro fabric, comprising a grey cloth layer, characterized in that: The grey cloth is provided with a waterproof layer, which is made of 50D polyester T800+50D cationic, and the tire cloth layer is interwoven with polyester cationic with a warp density of 140 and a weft density of 100.

2. A process for producing a retro-style fabric with a hole in a cation polyester T8, used for preparing the retro-style fabric with a hole in a cation polyester T8 according to claim 1, characterized in that: The following steps are involved: Step 1: Fabric distribution: weaving the fabric layers separately and bonding them; Step 2, desizing: desizing the prepared fabric at a temperature of 90-95℃ and a speed of 50-60m / min, and add the following additives in sequence according to the amount of water, that is, add 1-4g / l of chelating agent at a uniform speed within 5-10 minutes for every liter of water; add 10-12g / l of liquid at a uniform speed within 5-10 minutes; add 3-6g / l of sodium dodecyl sulfonate as a refining agent at a uniform speed within 5-10 minutes, Tuona Chemical's desizing agent CDA 033-4g / l, and degreasing agent EWN200% ​​032-4g / l; Step 3, cylinder deperforation: add 10g / l of liquid alkali, 1.5g / l of refining agent, and 0.5g / l of degreasing agent according to the amount of water, then heat it to 100-105 degrees and keep it warm for 40 minutes; Step 4: Dyeing: Add auxiliaries and disperse dyes per liter of water during the dyeing process; the dyeing temperature is 130 degrees; Step 5, reduction washing: During the reduction washing process, add auxiliary agents according to the amount of water per liter; among them, add the dispersing emulsifier DLP-012-3g / l of Tuona Chemical, the temperature is 85 degrees, and keep warm for 30 minutes; add the dispersing emulsifier DLP-01 of Tuona Chemical to fully emulsify and disperse the residual surfactants in the fiber dyeing process, so that the water on the cloth surface is clean and the anti-siphon effect is guaranteed later; Step 6: Spread the cloth: Spread the rope cloth into a flat shape and place it in the cloth cart for subsequent processing at a speed of 40-50 yards / minute; Step 7: Drying: Dry the dyed fabric for subsequent processing at a temperature of 170-185°C and a drying speed of 40-70 yards per minute. Step 8: Shaping: Add 4-6% of the total liquid volume of fluorine-free waterproofing agent (Rudolf ECO) to a certain amount of water to obtain a finished product with a total number of 255-280T.

3. The process for producing the retro-style fabric with a hole made of cathodic polyester T8 according to claim 2 is characterized by: In step seven, a drying device for drying fabrics comprises a support plate (1), a drying box (2) is mounted on the support plate (1), a drying machine (3) is arranged on one side of the drying box (2), a drying head (4) is mounted on the output end of the drying machine (3), the drying head (4) is respectively located at the top and the bottom of the drying box (2), an adjustable water squeezing component (5) is arranged on the support plate (1) and located on one side of the drying box (2), an exhaust fan (6) is arranged on the upper surface of the drying box (2), and a drying component (7) capable of being used for guiding is installed inside the drying box (2). The air outlet end of the exhaust fan (6) is fixedly connected to the drying component (7); a dehumidification box (8) with an activated carbon plate placed inside is installed on the upper surface of the drying box (2) and located on one side of the exhaust fan (6); the dehumidification box (8) is connected to the drying box (2), and the air inlet end of the exhaust fan (6) is fixedly connected to the dehumidification box (8); a driving component (9) for conveying fabrics is provided inside the drying box (2); and a servo motor (10) for driving the driving component (9) is provided on one side of the drying box (2) and located on one side of the dryer (3).

4. The process for producing the retro-style fabric with a hole made of cathodic polyester T8 according to claim 1 is characterized by: The adjustable water squeezing assembly (5) comprises a mounting arm (501), the mounting arm (501) being fixedly mounted on the support plate (1), a first water squeezing roller (502) being mounted between the mounting arms (501), a slide groove (503) being provided on the mounting arm (501), a second water squeezing roller (504) being slidably engaged on the slide groove (503), a threaded rod (505) being rotatably mounted inside the slide groove (503), the threaded rod (505) being threadedly connected to the second water squeezing roller (504), and a hand wheel (506) being fixedly mounted on one end of the threaded rod (505) extending to the upper end of the mounting arm (501).

5. The process for producing the T8 hole vintage fabric of cathodic polyester according to claim 4 is characterized in that: A collecting box (11) is provided on the support plate (1), a water guide plate (12) is installed on the collecting box (11), and the water guide plate (12) is located below the first water squeezing roller (502).

6. The process for producing the T8 hole vintage fabric of cathodic polyester according to claim 5, characterized in that: A mounting column (13) is provided on the support plate (1) and located on one side of the collection box (11); a mounting groove (14) is provided on the mounting column (13); a mounting groove (14) is provided on the mounting groove (14); a slide bar (15) is fixedly installed inside the mounting groove (14); a guide roller (16) is slidably installed inside the mounting groove (14); the guide roller (16) is plugged into the slide bar (15); a spring (17) is sleeved on the slide bar (15); two ends of the spring (17) are fixedly connected to the mounting groove (14) and the slide bar (15), respectively.

7. The process for producing the T8 hole vintage fabric of cathodic polyester according to claim 6, characterized in that: The drying assembly (7) comprises a drying drum (701), the drying drum (701) being rotatably mounted inside the drying box (2), the interior of the drying drum (701) being a hollow structure, and the drying drum (701) being provided with blowing holes (702) arranged in an array, one end of the drying drum (701) being connected to an exhaust pipe (703), and the exhaust pipe (703) being connected to the exhaust fan (6).

8. The process for producing the T8 hole vintage fabric of Yangdi according to claim 7 is characterized by: The driving assembly (9) comprises a first driving roller (901) and a second driving roller (902); the first driving roller (901) is rotatably mounted inside the drying box (2), and the first driving roller (901) is fixedly connected to an output end of the servo motor (10); rotating gears (903) are fixedly mounted on one end of the first driving roller (901) and the second driving roller (902), and the rotating gears (903) are meshed with each other.

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