CN114507922A

CN114507922A - Yarn with fireproof function and preparation device thereof

Info

Publication number: CN114507922A
Application number: CN202210238630.7A
Authority: CN
Inventors: 王志农; 闫婧; 伍枝平
Original assignee: Hangzhou Tianchen New Material Technology Co ltd
Current assignee: Hangzhou Tianchen New Material Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-05-17

Abstract

The invention relates to the technical field of yarns, in particular to a yarn with a fireproof function and a preparation device thereof, and provides a scheme aiming at the problems that the existing yarn is not fireproof and has more short velvet on the surface. According to the invention, short fibers and dust on the surface of the roving can be thoroughly cleaned, the efficiency of drying the roving is improved, and the quality and the preparation efficiency of the fireproof functional yarn are further improved.

Description

Yarn with fireproof function and preparation device thereof

Technical Field

The invention relates to the field of yarn production, in particular to a yarn with a fireproof function and a preparation device thereof.

Background

The yarn is a textile, various textile fibers are processed into products with certain fineness, and the products are used for weaving, rope making, thread making, knitting, embroidering and the like. The existing yarn does not have the fireproof function mostly, and after the yarn is prepared, short fibers are easily attached to the surface of the yarn, so that the subsequent use of the yarn is influenced.

Disclosure of Invention

The invention provides a yarn with a fireproof function and a preparation device thereof, and solves the problems that the yarn is not fireproof and the surface of the yarn is provided with more short fibers in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a yarn with fire-blocking function comprising:

taking ceramic fiber cotton as a main component, and adopting 75-80% of ceramic fiber cotton, 15-20% of organic fiber cotton and 5-10% of glass fiber yarn;

the specific production steps are as follows:

s1, mixing the ceramic fiber cotton, the organic fiber cotton and the glass fiber yarns into a cotton roll through a cotton mixing machine;

s2, carding, impurity removing and drawing the cotton rolls by a carding machine so as to process the cotton rolls into mature strips, and regularly placing the cotton rolls in a cotton sliver can;

s3, roving processing, namely drafting and twisting drawn slivers to enable the slivers to have certain strength, so that the roving winding is facilitated, and the unwinding of the slivers on a spinning machine is facilitated;

s4, cleaning the roving, cleaning short fibers and dust attached to the surface of the roving in the cleaning process of the roving, and drying the cleaned roving;

and S5, processing the spun yarn, namely drafting and thinning the spun yarn to the required fineness, twisting the spun yarn to form the spun yarn with certain twist and strength, and winding the spun yarn on a bobbin to obtain the yarn with the fireproof function.

A preparation device of yarn with a fireproof function comprises a cleaning box and a drying box arranged on one side of the cleaning box, wherein the outer walls of the cleaning box and the drying box far away from one side are respectively provided with a feed inlet and a discharge outlet, a through groove is formed between the cleaning box and the drying box, the inner walls of the two sides of the cleaning box and the drying box are respectively provided with a first material guide roller, the inner walls of the cleaning box and the drying box are respectively and rotatably connected with two second material guide rollers, the two second material guide rollers are positioned between the two first material guide rollers on the same side of the through groove, the cleaning box and the drying box are respectively internally provided with an elastic mechanism, the elastic mechanism comprises a fixed strip fixedly connected on the inner wall of the top of the cleaning box, a rack slidably connected on the outer part of the fixed strip, a spring sleeved on the outer part of the fixed strip, a transmission shaft rotatably connected on the inner wall of the cleaning box and a half gear sleeved on the outer part of the transmission shaft, the bottom of rack is the hemisphere type structure, half wheel and rack toothing, two the one end of transmission shaft extends to the outside of washing case and stoving case respectively, the back of wasing case and stoving case is provided with and is used for driving two transmission shaft pivoted actuating mechanism, the inside of wasing the case still is provided with the clearance mechanism that is used for clearing up its inner wall, the inside of stoving case still is provided with stoving mechanism.

Preferably, the inner wall of washing bottom of the case portion is funnel type structure, clearance mechanism is including seting up the annular groove on wasing the incasement wall, rotate the supporting shoe of connection on the annular groove inner wall, rigid coupling respectively in two connecting blocks of supporting shoe bottom both sides and install two brush strips respectively in two connecting block bottoms, two the brush strip all with wash the inner wall looks butt of bottom of the case portion, the top of supporting shoe still is provided with and is used for driving the supporting shoe along annular groove inner wall pivoted link gear.

Preferably, the linkage mechanism comprises a turbine fixedly connected to the top of the supporting block and sleeved on the outer portion of the driven shaft, and a worm rotatably connected to the inner wall of the cleaning box, the worm is meshed with the turbine, the worm is located under the transmission shaft and parallel to the transmission shaft, and one end of the worm extends to the outer portion of the cleaning box.

Preferably, the linkage mechanism further comprises a first transmission assembly arranged outside the transmission shaft and the worm, the first transmission assembly is located outside the cleaning box, and the first transmission assembly comprises two first transmission wheels respectively sleeved outside the transmission shaft and outside the worm and a first belt in transmission connection with the two first transmission wheels.

Preferably, the driving mechanism comprises a motor arranged on the back of the cleaning box and two second transmission assemblies arranged outside an output shaft of the motor, and each second transmission assembly comprises two second transmission wheels respectively sleeved outside the output shaft of the motor and outside one of the transmission shafts and a second belt in transmission connection with the outside of the two second transmission wheels.

Preferably, the drying mechanism comprises a U-shaped block which is connected to the inner wall of the drying box in a sliding mode, a plurality of heating pipes which are installed inside the U-shaped block, a plurality of blowers which are installed on the U-shaped block, and an adjusting assembly which is arranged below the U-shaped block and used for driving the U-shaped block to move in the vertical direction, wherein the blowers are located below the heating pipes.

Preferably, the adjusting part includes that lead screw, spiro union that rotate to connect on the inner wall of stoving case both sides are in a plurality of drive blocks and the rigid coupling of lead screw outside in U type piece bottom and with the corresponding driven piece of a plurality of drive blocks, the top of drive block is the inclined plane with the bottom of driven piece, and mutually supports, the one end of lead screw extends to the outside of stoving case, and the rigid coupling has the handle.

Preferably, the drain pipe is installed to the bottom of wasing the case, and installs the valve on the drain pipe, a plurality of gas vents and a plurality of air inlet have been seted up respectively to the top and the bottom of stoving case, and the inside of a plurality of air inlets all installs the filter screen, four column bases are all installed to the bottom of wasing case and stoving case.

The invention has the beneficial effects that:

1. through the cooperation of actuating mechanism and each part of elastic mechanism, can drive the reciprocal resilience of roving of wasing incasement portion, and then through roving and the reciprocal frictional effect of washing incasement portion washing liquid, thoroughly clear up the short flannel and the dust on roving surface, drive the reciprocal resilience of roving of stoving incasement portion simultaneously, and then clear up the moisture on roving surface fast, and then improved the efficiency that the roving was dried.

2. Through the cooperation of actuating mechanism, link gear and each part of clearance mechanism to clearing up the inside of wasing the case, solved and washed the inconvenient position of incasement portion washing, thus do not influence the washing next time to the roving.

3. Through the cooperation of each part of stoving mechanism, through adjusting the heating pipe and with the roving between the interval, and then be convenient for carry out drying process to the roving of unidimensional and different water content.

The invention has reasonable structure and simple operation, can thoroughly clean short fibers and dust on the surface of the roving, simultaneously improves the efficiency of drying the roving and further improves the quality and the preparation efficiency of the fireproof functional yarn.

Drawings

Fig. 1 is a front view of the internal structure of the present invention.

FIG. 2 is a left side view showing the inner structure of the washing tank of the present invention.

Fig. 3 is a top view of the outer structure of the present invention.

Reference numbers in the figures: 1. a cleaning tank; 2. a drying box; 3. a feed inlet; 4. a discharge port; 5. a through groove; 6. a first guide roller; 7. a second guide roller; 8. a fixing strip; 9. a rack; 10. a spring; 11. a drive shaft; 12. a half gear; 13. an annular groove; 14. a support block; 15. connecting blocks; 16. brushing the strip; 17. a driven shaft; 18. a turbine; 19. a worm; 20. a first drive pulley; 21. a first belt; 22. a motor; 23. a second transmission wheel; 24. a second belt; 25. a drain pipe; 26. a valve; 27. an exhaust port; 28. an air inlet; 29. a U-shaped block; 30. heating a tube; 31. a blower; 32. a screw rod; 33. a drive block; 34. and a driven block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 3, a yarn having a fire-retardant function includes:

the specific production steps are as follows:

A preparation device of yarn with fireproof function comprises a cleaning box 1 and a drying box 2 arranged on one side of the cleaning box 1, wherein the outer walls of the cleaning box 1 and the drying box 2 which are far away from one side are respectively provided with a feed inlet 3 and a discharge outlet 4, a through groove 5 is arranged between the cleaning box 1 and the drying box 2, the inner walls of the two sides of the cleaning box 1 and the drying box 2 are respectively provided with a first material guide roller 6, the inner walls of the cleaning box 1 and the drying box 2 are respectively and rotatably connected with two second material guide rollers 7, the two second material guide rollers 7 are positioned between the two first material guide rollers 6 on the same side of the through groove 5, the inner parts of the cleaning box 1 and the drying box 2 are respectively provided with an elastic mechanism, the elastic mechanism comprises a fixed strip 8 fixedly connected on the inner wall of the top of the cleaning box 1, a rack 9 slidingly connected outside the fixed strip 8, a spring 10 sleeved outside the fixed strip 8, a transmission shaft 11 rotatably connected on the inner wall of the cleaning box 1 and a semi-gear 12 sleeved outside the transmission shaft 11, the bottom of a rack 9 is of a hemispherical structure, a half gear 12 is meshed with the rack 9, one ends of two transmission shafts 11 respectively extend to the outside of a cleaning box 1 and a drying box 2, the installation method of an elastic mechanism in the drying box 2 is consistent with that of the cleaning box 1, driving mechanisms for driving the two transmission shafts 11 to rotate are arranged on the back surfaces of the cleaning box 1 and the drying box 2, a cleaning mechanism for cleaning the inner wall of the cleaning box 1 is also arranged in the cleaning box 1, and a drying mechanism is also arranged in the drying box 2. firstly, a worker draws roving into the cleaning box 1 through a feed inlet 3, sequentially passes through the top of a first guide roller 6, the bottoms of two second guide rollers 7 and the top of the other first guide roller 6, enters the inside of the drying box 2 through a through groove 5, passes through the first guide roller 6 and the second guide rollers 7 according to the same method, and finally passes out of a discharge outlet 4, the method is a moving route of the rough yarn, the rough yarn drives a transmission shaft 11 inside a cleaning box 1 to rotate through a driving mechanism in the moving process, and then drives a half gear 12 to synchronously rotate, when the half gear 12 is meshed with a rack 9, the rack 9 is driven to move downwards along the outer wall of a fixed strip 8, and then the rough yarn is driven to tension downwards, when the half gear 12 is not meshed with the rack 9, the rack 9 is driven to move upwards through the resilience force of a spring 10, the rough yarn rebounds along with the rebound of the rough yarn and circulates in sequence, the rough yarn is driven to rebound back and forth, and then the rough yarn can clean short fibers and dust attached to the surface of the rough yarn through friction between the rough yarn and cleaning liquid inside the cleaning box 1 in the rebounding process, so that the cleaning effect on the surface of the rough yarn is improved, meanwhile, the driving mechanism drives the transmission shaft 11 inside a drying box 2 to rotate, and similarly drives the rough yarn in the drying box 2 to rebound and forth, the moisture on the surface of the roving is quickly cleaned, so that the efficiency of drying the roving is improved;

the inner wall of the bottom of the cleaning box 1 is of a funnel-shaped structure, the cleaning mechanism comprises an annular groove 13 formed in the inner wall of the cleaning box 1, a supporting block 14 rotatably connected to the inner wall of the annular groove 13, two connecting blocks 15 fixedly connected to two sides of the bottom of the supporting block 14 respectively, and two brush strips 16 respectively installed at the bottoms of the two connecting blocks 15, wherein the two brush strips 16 are abutted to the inner wall of the bottom of the cleaning box 1, a linkage mechanism for driving the supporting block 14 to rotate along the inner wall of the annular groove 13 is further arranged above the supporting block 14, clean water is injected into the cleaning box 1 after sewage in the cleaning box 1 is discharged, the supporting block 14 is driven to rotate along the inner wall of the annular groove 13 by the linkage mechanism, and then the two brush strips 16 are respectively driven by the two connecting blocks 15 to clean the residual scraps at the bottom of the cleaning box 1, so that the inside of the cleaning box 1 is kept clean, the next cleaning of the rough yarn is not influenced;

the linkage mechanism comprises a driven shaft 17 fixedly connected to the top of the supporting block 14, a turbine 18 sleeved outside the driven shaft 17 and a worm 19 rotatably connected to the inner wall of the cleaning box 1, the worm 19 is meshed with the turbine 18, the worm 19 is positioned under the transmission shaft 11 and is parallel to the transmission shaft 11, one end of the worm 19 extends to the outside of the cleaning box 1, and the worm 19 drives the driven shaft 17 to rotate under the meshing action of the turbine 18 in the rotating process so as to drive the supporting block 14 to rotate along the inner wall of the annular groove 13;

the linkage mechanism further comprises a first transmission assembly arranged outside the transmission shaft 11 and the worm 19, the first transmission assembly is located outside the cleaning box 1 and comprises two first transmission wheels 20 respectively sleeved outside the transmission shaft 11 and outside the worm 19 and a first belt 21 in transmission connection with the two first transmission wheels 20, the transmission shaft 11 drives the first transmission wheels 20 outside the transmission shaft to synchronously rotate in the rotating process, the worm 19 is driven to synchronously rotate under the transmission connection effect of the first belt 21 and the other first transmission wheel 20, when the roving is cleaned, the first belt 21 is detached from the first transmission wheels 20, and when the inside of the cleaning box 1 needs to be cleaned, the first belt 21 is arranged outside the two first transmission wheels 20;

the driving mechanism comprises a motor 22 arranged on the back of the cleaning box 1 and two second transmission assemblies arranged outside an output shaft of the motor 22, the second transmission assemblies comprise two second transmission wheels 23 respectively sleeved outside the output shaft of the motor 22 and outside one transmission shaft 11 and second belts 24 in transmission connection with the outside of the two second transmission wheels 23, the second transmission wheels 23 outside the output shaft of the motor 22 are driven to rotate by starting the motor 22, and the transmission shafts 11 are driven to synchronously rotate by the aid of the transmission connection of the second belts 24 and the second transmission wheels 23 outside the transmission shafts 11;

the drying mechanism comprises a U-shaped block 29 which is connected on the inner wall of the drying box 2 in a sliding manner, a plurality of heating pipes 30 which are arranged inside the U-shaped block 29, a plurality of blowers 31 which are arranged on the U-shaped block 29 and an adjusting component which is arranged below the U-shaped block 29 and is used for driving the U-shaped block 29 to move along the vertical direction, wherein the blowers 31 are positioned below the heating pipes 30, the heating pipes 30 are controlled to heat, heat is upwards conveyed through the blowers 31, the roving is dried and processed, the U-shaped block 29 and the heating pipes 30 are driven to upwards move through the adjusting component, so that the distance between the heating pipes 30 and the roving is reduced, the drying efficiency of the roving can be improved, and the roving is convenient to use when the size of the roving is larger or the external water content is higher;

the adjusting assembly comprises a screw rod 32 rotatably connected to the inner walls of the two sides of the drying box 2, a plurality of driving blocks 33 in threaded connection with the outer portion of the screw rod 32 and driven blocks 34 fixedly connected to the bottom of the U-shaped block 29 and corresponding to the plurality of driving blocks 33, the tops of the driving blocks 33 and the bottoms of the driven blocks 34 are inclined planes and matched with each other, one end of the screw rod 32 extends to the outer portion of the drying box 2 and is fixedly connected with a handle, the screw rod 32 is rotated forward through the handle to drive the driving blocks 33 to horizontally move leftwards along the inner wall of the bottom of the drying box 2, and the U-shaped block 29 and the heating pipes 30 inside the U-shaped block are driven to move upwards through the matching effect of the inclined planes at the tops of the driving blocks 33 and the bottoms of the driven blocks 34, and conversely, the U-shaped block 29 and the heating pipes 30 inside the U-shaped block are driven to move downwards through the matching of the reversely-rotated screw rod 32 and the driving blocks 33 and the driven blocks 34;

wash the bottom of case 1 and install drain pipe 25, and install valve 26 on the drain pipe 25, a plurality of gas vents 27 and a plurality of air inlet 28 have been seted up respectively to the top and the bottom of stoving case 2, and the filter screen is all installed to the inside of a plurality of air inlets 28, four column bases are all installed to the bottom of wasing case 1 and stoving case 2, can discharge the inside washing sewage that washs case 1 through opening valve 26, the setting of column base is for the drainage of convenient drain pipe 25 and the work of admitting air of air inlet 28, the setting of filter screen is used for preventing that outside dust from passing through inside air inlet 28 entering stoving case 2, the setting of gas vent 27 is used for discharging the inside steam of stoving case 2.

The working principle is as follows: during the moving process of the roving, the driving mechanism drives the transmission shaft 11 inside the cleaning box 1 to rotate, so as to drive the half gear 12 to synchronously rotate, when the half gear 12 is meshed with the rack 9, the rack 9 is driven to move downwards along the outer wall of the fixed strip 8, so as to drive the roving to be tensioned downwards, when the half gear 12 is not meshed with the rack 9, the rack 9 is driven to move upwards through the resilience force of the spring 10, the roving rebounds along with the rack, the roving is sequentially circulated, the roving is driven to rebound back and forth, so as to clean the flock and the dust attached to the surface of the roving through the friction between the roving and the cleaning liquid inside the cleaning box 1 during the rebounding process, so as to improve the cleaning effect on the surface of the roving, meanwhile, the driving mechanism drives the transmission shaft 11 inside the drying box 2 to rotate, the roving inside the drying box 2 is driven to rebound and forth in a similar way, so as to quickly clean the moisture on the surface of the roving, thereby improving the efficiency of roving drying;

after the sewage in the cleaning box 1 is discharged, clean water is injected into the cleaning box 1, the supporting block 14 is driven to rotate along the inner wall of the annular groove 13 through the linkage mechanism, and then the two connecting blocks 15 respectively drive the two brush strips 16 to clean the chips remained at the bottom of the cleaning box 1, so that the interior of the cleaning box 1 is kept clean, and the next cleaning of the roving is not influenced;

heating through control heating pipe 30 to upwards carry the heat through hair-dryer 31, dry the processing to the roving, drive U type piece 29 and heating pipe 30 through adjusting part and upwards remove, thereby reduced the distance between heating pipe 30 and the roving, thereby can improve the drying efficiency of roving, use when being convenient for the roving size is great or outside water content is higher.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A yarn with a fire-resistant function, comprising: taking ceramic fiber cotton as a main component, and adopting 75-80% of ceramic fiber cotton, 15-20% of organic fiber cotton and 5-10% of glass fiber yarn; the specific production steps are as follows: s1, mixing the ceramic fiber cotton, the organic fiber cotton and the glass fiber yarns into a cotton roll through a cotton mixing machine; s2, carding, impurity removing and drawing the cotton rolls by a carding machine so as to process the cotton rolls into mature strips, and regularly placing the cotton rolls in a cotton sliver can; s3, roving processing, namely drafting and twisting drawn slivers to enable the slivers to have certain strength, so that the roving winding is facilitated, and the unwinding of the slivers on a spinning machine is facilitated; s4, cleaning the roving, cleaning short fibers and dust attached to the surface of the roving in the cleaning process of the roving, and drying the cleaned roving; and S5, processing the spun yarn, namely drafting and thinning the spun yarn to the required fineness, twisting the spun yarn to form the spun yarn with certain twist and strength, and winding the spun yarn on a bobbin to obtain the yarn with the fireproof function.

2. The utility model provides a preparation facilities with fire prevention function yarn, includes washs case (1) and installs stoving case (2) of wasing case (1) one side, its characterized in that, wash case (1) and stoving case (2) and keep away from respectively on the outer wall of one side each other and seted up feed inlet (3) and discharge gate (4), it leads to groove (5) to wash to have seted up between case (1) and the stoving case (2), all install first guide roller (6) on the inner wall of washing case (1) and stoving case (2) both sides, it is connected with two second guide rollers (7) all to rotate on the inner wall of washing case (1) and stoving case (2), and two second guide rollers (7) are located and lead between groove (5) two first guide rollers (6), wash the inside of case (1) with one side and stoving case (2) and all be provided with elastic mechanism, elastic mechanism includes that fixed connection has set up in fixed strip (8) on washing case (1) top inner wall, Rack (9), the cover that the landing is outside in fixed strip (8) are established at fixed strip (8) outside spring (10), rotation connection transmission shaft (11) on wasing case (1) inner wall and cup joint at transmission shaft (11) outside half gear (12), the bottom of rack (9) is hemisphere type structure, half gear (12) and rack (9) meshing, two the one end of transmission shaft (11) extends to the outside of washing case (1) and stoving case (2) respectively, the back of wasing case (1) and stoving case (2) is provided with and is used for driving two transmission shaft (11) pivoted actuating mechanism, the inside of wasing case (1) still is provided with the clearance mechanism that is used for clearing up its inner wall, the inside of stoving case (2) still is provided with stoving mechanism.

3. The preparation device of yarn with fire-proof function according to claim 2, wherein the inner wall of the bottom of the cleaning box (1) is of a funnel-shaped structure, the cleaning mechanism comprises an annular groove (13) formed in the inner wall of the cleaning box (1), a supporting block (14) rotatably connected to the inner wall of the annular groove (13), two connecting blocks (15) respectively fixedly connected to two sides of the bottom of the supporting block (14), and two brush strips (16) respectively installed at the bottoms of the two connecting blocks (15), the two brush strips (16) are respectively abutted against the inner wall of the bottom of the cleaning box (1), and a linkage mechanism for driving the supporting block (14) to rotate along the inner wall of the annular groove (13) is further arranged above the supporting block (14).

4. The device for preparing the yarn with the fireproof function according to claim 3, wherein the linkage mechanism comprises a driven shaft (17) fixedly connected to the top of the supporting block (14), a turbine (18) sleeved outside the driven shaft (17) and a worm (19) rotatably connected to the inner wall of the cleaning tank (1), the worm (19) is meshed with the turbine (18), the worm (19) is positioned right below the transmission shaft (11) and is parallel to the transmission shaft (11), and one end of the worm (19) extends to the outside of the cleaning tank (1).

5. The device for preparing yarns with fire-retardant function according to claim 4, characterized in that said linkage mechanism further comprises a first transmission assembly mounted outside the transmission shaft (11) and the worm (19), said first transmission assembly being located outside the washing tank (1), said first transmission assembly comprising two first transmission wheels (20) respectively sleeved outside the transmission shaft (11) and the worm (19) and a first belt (21) drivingly connected outside the two first transmission wheels (20).

6. The device for preparing yarn with fire-proof function according to claim 2, wherein the driving mechanism comprises a motor (22) arranged at the back of the cleaning tank (1) and two second transmission assemblies arranged outside the output shaft of the motor (22), the second transmission assemblies comprise two second transmission wheels (23) respectively sleeved outside the output shaft of the motor (22) and one of the transmission shafts (11) and a second belt (24) in transmission connection with the outside of the two second transmission wheels (23).

7. The device for preparing the yarn with the fireproof function according to claim 2, wherein the drying mechanism comprises a U-shaped block (29) which is slidably connected to the inner wall of the drying box (2), a plurality of heating pipes (30) arranged inside the U-shaped block (29), a plurality of blowers (31) arranged on the U-shaped block (29), and an adjusting component which is arranged below the U-shaped block (29) and used for driving the U-shaped block (29) to move in the vertical direction, and the blowers (31) are positioned below the heating pipes (30).

8. The device for preparing the yarn with the fireproof function according to claim 7, wherein the adjusting assembly comprises a screw rod (32) rotatably connected to the inner walls of the two sides of the drying box (2), a plurality of driving blocks (33) screwed outside the screw rod (32), and a driven block (34) fixedly connected to the bottom of the U-shaped block (29) and corresponding to the plurality of driving blocks (33), the top of the driving block (33) and the bottom of the driven block (34) are inclined planes and are matched with each other, and one end of the screw rod (32) extends to the outside of the drying box (2) and is fixedly connected with a handle.

9. The preparation device of yarn with fire-proof function according to claim 2, wherein the bottom of the cleaning box (1) is provided with a drain pipe (25), the drain pipe (25) is provided with a valve (26), the top and the bottom of the drying box (2) are respectively provided with a plurality of air outlets (27) and a plurality of air inlets (28), the interior of the air inlets (28) is provided with a filter screen, and the bottoms of the cleaning box (1) and the drying box (2) are provided with four column feet.