Circulating cooling device and method based on composite function differentiated short fibers production

Abstract

The application relates to the technical field of short fiber processing, in particular to a circulating cooling device and method based on composite function differentiated short fiber production, which comprises a rolling roller, a ventilation cavity is arranged in the rolling roller, a first sliding groove is arranged on the side wall of the ventilation cavity, an inner roller is connected to the two first sliding grooves in a sliding mode, a plurality of radiating fins are fixedly connected to the inner side wall of the inner roller, and the radiating fins are linearly and equidistantly arranged along the central axis of the inner roller. The cooling liquid flows through the cooling pipelines, flows out through the return pipelines, the fixed rotating part and the return rotating part ensure that the cooling pipelines do not rotate with the rotation of the inner roller, the cooling pipelines take away the heat generated by the inner roller, the rolling roller and the inner roller rotate in opposite clockwise directions with the rotation of the driving gear, the surface of the fiber product is cooled, and the heat of the rolling roller is absorbed and discharged by the cooling pipelines.

Description

Technical Field

[0001] This invention relates to a circulating cooling device, and in particular to a circulating cooling device and method based on the production of composite functional differentiated short fibers, belonging to the field of short fiber processing technology. Background Technology

[0002] Short fibers are composed of fine filaments and have a wide range of uses. They can be woven into fine threads, yarn ends, and ropes. They can also be woven into fiber layers in papermaking or felt weaving. They are also often used to manufacture other materials and to form composite materials with other materials. Short fibers are generally products obtained by cutting freshly produced long fibers into a certain length. In the production of short fibers, cooling the freshly produced fibers plays an important role in ensuring the quality of subsequent short fiber products.

[0003] Before fiber production, raw materials are mixed and subjected to physical and chemical reactions to form a liquid. This liquid state is then maintained by heating in processing equipment. The liquid is then extruded into filaments and transported by rolling mills. Finally, the fibers are cut into short fibers of a certain length by blades for storage. However, the fibers remain at a high temperature during transport, requiring multiple rolling mills and a long transport distance to ensure adequate cooling. The rolling mills primarily function as transporters, relying mainly on natural wind for heat dissipation. This results in heat being absorbed and stored on the rolling mills, relying solely on convection for cooling – a simplistic and inefficient method that hinders fiber heat dissipation.

[0004] Therefore, there is an urgent need to improve the circulating cooling device based on the production of composite functional differentiated short fibers in order to solve the above-mentioned problems. Summary of the Invention

[0005] The purpose of this invention is to provide a circulating cooling device and method for the production of composite functional differentiated short fibers. The device allows coolant to flow through several cooling pipes and exit through a return pipe. Fixed rotating components and a return rotating component ensure that the cooling pipes do not rotate while following the rotation of the built-in roller. The cooling pipes carry away the heat generated by the built-in roller. With the rotation of the driving gear, the rolling roller and the built-in roller rotate in opposite clockwise directions under the action of the double gear and the driven gear. This allows the cooled air to be applied to the surface of the fiber product for heat dissipation. The heat absorbed by the rolling roller is transferred by the built-in roller. With the cooling pipes absorbing and dissipating the heat, and with the cooled rolling roller and the fiber surface dissipating heat, the fiber product can be rapidly cooled, improving the heat dissipation effect during transport.

[0006] To achieve the above objectives, the main technical solution adopted by the present invention includes: a circulating cooling device based on the production of composite functional differentiated short fibers, comprising a rolling roller, wherein a ventilation cavity is formed inside the rolling roller, and a sliding groove is formed on each of the two side walls of the ventilation cavity. An internal roller is slidably connected to the two sliding grooves. A plurality of heat sinks are fixedly connected to the inner side wall of the internal roller, and the plurality of heat sinks are linearly and equidistantly arranged along the central axis of the internal roller. A plurality of cooling pipes are fixedly connected to the inner side wall of the internal roller, and the plurality of cooling pipes are equidistantly arranged around the central axis of the internal roller, and each of the plurality of cooling pipes passes through the plurality of heat sinks. One end of the plurality of cooling pipes is connected to a common connection. A return flow pipe is provided, and the return flow pipe is located at the central axis of the built-in roller. The other ends of several cooling pipes are connected to a pipe ring. A fixed rotating component is fixedly connected to the inner wall of one end of the built-in roller. Several L-shaped pipes are connected between the inside of the fixed rotating component and the inside of the pipe ring. The several L-shaped pipes are equidistantly arranged around the central axis of the fixed rotating component. A return flow rotating component is fixed to the inner wall of the fixed rotating component. The end of the return flow pipe away from the several cooling pipes is connected to the inside of the return flow rotating component. The end of the fixed rotating component away from the L-shaped pipe is rotatably connected to and connected to a fixed component. The rotatable end of the return flow rotating component away from the return flow pipe is rotatably connected to and connected to a return flow component.

[0007] Preferably, a plurality of universal ball bearings are fixedly connected to the end faces of the two ends of the built-in roller, the plurality of universal ball bearings are equidistantly arranged around the central axis of the built-in roller, and the movable ends of the plurality of universal ball bearings are in contact with the bottom wall of the first sliding groove.

[0008] Preferably, one end of the rolling roller is provided with a fixing plate, and an annular groove block is fixedly connected to the side of the fixing plate near the rolling roller. Several round beads are rotatably connected to the inner walls on both sides of the annular groove block. The annular groove block is rotatably connected to one end of the rolling roller, and several round beads are in contact with one end of the rolling roller.

[0009] Preferably, the end of the reflux rotating component away from the reflux component is connected to a water outlet pipe, and the end of the fixing component away from the fixed connection is connected to a water inlet pipe. Both the water outlet pipe and the water inlet pipe pass through the first fixing plate and extend to the side of the first fixing plate away from the rolling roller.

[0010] Preferably, a plurality of rectangular fan blades are fixedly connected to the outer surface of the built-in roller, and the plurality of rectangular fan blades are equidistantly arranged around the central axis of the built-in roller. A plurality of groups of ventilation holes are opened on the side wall of the built-in roller, and the plurality of groups of ventilation holes are equidistantly arranged around the central axis of the built-in roller. The ventilation holes in each group are linearly equidistant along the direction of the central axis of the built-in roller.

[0011] Preferably, the sidewall of the rolling roll has several sets of tapered through holes, and the several sets of tapered through holes are equidistantly arranged around the central axis of the rolling roll. The tapered through holes in each set are linearly equidistant along the central axis of the rolling roll. Limiting rings are fixedly connected to the outer sidewalls at both ends of the rolling roll. Two sets of cylindrical through holes are opened on the sidewall of the rolling roll, and both sets of cylindrical through holes are located between the limiting rings and the rolling roll.

[0012] Preferably, an internal gear ring is fixedly connected to the end of the rolling roller away from the first fixed plate, and a second fixed plate is provided on the side of the rolling roller close to the internal gear ring. A first rotating shaft is rotatably connected between the second fixed plate and one end face of the rolling roller, and a double gear is fixedly connected to the first rotating shaft. One of the gears of the double gear meshes with the internal gear ring.

[0013] Preferably, the end of the built-in roller away from the fixed rotating part is fixedly connected to a plurality of fixed rods, the plurality of fixed rods are equidistantly arranged around the central axis of the built-in roller, the ends of the plurality of fixed rods away from the built-in roller are jointly fixedly connected to a follower rod, the end of the follower rod away from the fixed rod is fixedly connected to a driven gear, and the driven gear meshes with the other gear in the double gear.

[0014] Preferably, a plurality of arc-shaped fan blades are fixedly connected to the side wall of the follower rod, and the plurality of arc-shaped fan blades are equidistantly arranged around the central axis of the follower rod. A filter screen is fixedly connected between the side wall of the follower rod and the inner side wall of the rolling roller. The plurality of arc-shaped fan blades are located between the plurality of fixed rods and the filter screen. A second rotating shaft is rotatably connected to the second fixed plate, and the second rotating shaft passes through the second fixed plate. A drive gear is fixedly connected to the end face of the second rotating shaft near the rolling roller.

[0015] The method of using a circulating cooling device for the production of composite functional differentiated short fibers includes the following steps:

[0016] S1: First, fix the No. 1 fixing plate and the No. 2 fixing plate respectively. A power source is provided through the No. 2 rotating shaft. The No. 2 rotating shaft will drive the driving gear to rotate, and then drive the driven gear to rotate in the opposite clockwise direction to the driving gear. In turn, it drives the double gear to rotate in the opposite clockwise direction to the driven gear. Then, through the internal gear ring, it drives the rolling roller to rotate in the opposite clockwise direction to the double gear.

[0017] S2: Then, the driven gear drives the built-in roller to rotate through the follower rod and several fixed rods, which in turn drives several cooling pipes and return pipes to rotate. The pipe ring connected to the cooling pipe drives the fixed rotating part to rotate on the fixed part through several L-shaped pipes. The return pipe drives the return rotating part to rotate on the return part and rotates synchronously with the fixed rotating part.

[0018] S3: The coolant flows through the inlet pipe and several cooling pipes, and finally flows out through the return pipe and the outlet pipe. This cycle repeats and, under the action of several heat sinks, dissipates heat from the built-in roller and the rolling roller. The cooled air passes through several vents and acts on the venting chamber between the built-in roller and the rolling roller.

[0019] S4: Finally, when transporting fiber products on the outer surface of the rolling roller, several rectangular fan blades will direct the cold air from inside the built-in roller through several tapered through holes onto the fiber products.

[0020] This invention has at least the following beneficial effects:

[0021] 1. Coolant flows through several cooling pipes and exits through a return pipe. Fixed rotating parts and return rotating parts ensure that the cooling pipes do not rotate with the internal rollers. The cooling pipes carry away the heat generated by the internal rollers. With the rotation of the drive gear, the rolling rollers and the internal rollers rotate in opposite clockwise directions under the action of the double gears and driven gears. This cools the air and applies it to the surface of the fiber product to dissipate heat. The heat absorbed by the rolling rollers is transferred by the internal rollers. With the cooling pipes absorbing and dissipating the heat, and with the cooling rollers and the fiber surface being cooled, the fiber product can be quickly cooled, improving the heat dissipation effect during the transport process. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0023] Figure 1 This is a three-dimensional structural schematic diagram provided by the present invention;

[0024] Figure 2 This is an isometric sectional view of the structure provided by the present invention;

[0025] Figure 3 A schematic diagram of the cross-sectional structure provided by the present invention;

[0026] Figure 4 This is a partial exploded view of the structure provided by the present invention;

[0027] Figure 5 Partial structural illustration provided for this invention Figure 1 ;

[0028] Figure 6 Partial structural illustration provided for this invention Figure 2 ;

[0029] Figure 7 is Partial structural diagram provided by this invention Figure 3 ;

[0030] Figure 8 This is a schematic diagram of the built-in roller structure provided by the present invention;

[0031] Figure 9 This is a schematic diagram of the annular groove block structure provided by the present invention;

[0032] Figure 10 This is a schematic diagram of the rolling roller structure provided by the present invention.

[0033] In the diagram: 1. Rolling roller; 2. Ventilation chamber; 3. No. 1 sliding groove; 4. Internal roller; 5. Heat sink; 6. Cooling pipe; 7. Return pipe; 8. Pipe ring; 9. Fixed rotating component; 10. L-shaped pipe; 11. Return rotating component; 12. Fixed component; 13. Return component; 14. Universal ball bearing; 15. No. 1 fixed plate; 16. Annular groove block; 17. Ball bearing; 18. Water outlet pipe; 19. Water inlet pipe; 20. Rectangular fan blade; 21. Ventilation hole; 22. Conical through hole; 23. Limiting ring; 24. Cylindrical through hole; 25. Internal gear ring; 26. No. 2 fixed plate; 27. No. 1 rotating shaft; 28. Double gear; 29. ​​Fixed rod; 30. Follower rod; 31. Driven gear; 32. Arc-shaped fan blade; 33. Filter screen; 34. No. 2 rotating shaft; 35. Driving gear. Detailed Implementation

[0034] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0035] like Figures 1-10As shown, the circulating cooling device based on composite functional differentiated short fiber production provided in this embodiment includes a rolling roller 1. A ventilation chamber 2 is provided inside the rolling roller 1. A sliding groove 3 is provided on each of the two side walls of the ventilation chamber 2. An internal roller 4 is slidably connected to both sliding grooves 3. A plurality of heat sinks 5 are fixedly connected to the inner wall of the internal roller 4. The heat sinks 5 are linearly and equidistantly arranged along the central axis of the internal roller 4. A plurality of cooling pipes 6 are fixedly connected to the inner wall of the internal roller 4. The cooling pipes 6 are equidistantly arranged around the central axis of the internal roller 4, and each cooling pipe 6 passes through one of the heat sinks 5. One end of each cooling pipe 6 is connected to a return pipe 7, which is located at the central axis of the internal roller 4. The other end of each cooling pipe 6 is connected to a pipe ring 8. A fixed rotating component 9 is fixedly connected to the inner wall of the fixed rotating component 9. Several L-shaped pipes 10 are connected between the inside of the fixed rotating component 9 and the inside of the pipe ring 8. The several L-shaped pipes 10 are equidistantly arranged around the central axis of the fixed rotating component 9. A return rotating component 11 is fixed to the inner wall of the fixed rotating component 9. The end of the return pipe 7 away from the several cooling pipes 6 is connected to the inside of the return rotating component 11. The end of the fixed rotating component 9 away from the L-shaped pipes 10 is rotatably connected to and connected to a fixed component 12. The return rotating component 11 away from the return pipe 7 is rotatably connected to and connected to a return component 13. Under the action of the return rotating component 11 and the fixed rotating component 9, the return pipe 7 and the cooling pipe 6 can receive and discharge the coolant while rotating with the rolling roller 1, thereby circulating the coolant and dissipating heat from the entire device during the circulation.

[0036] Among them, such as Figure 2 , Figure 3 as well as Figure 4As shown, the end of the reflux rotating component 11 away from the reflux component 13 is connected to the water outlet pipe 18, and the end of the fixing component 12 away from the fixed connection is connected to the water inlet pipe 19. Both the water outlet pipe 18 and the water inlet pipe 19 pass through the first fixing plate 15 and extend to the side of the first fixing plate 15 away from the rolling roller 1. Several rectangular fan blades 20 are fixedly connected to the outer surface of the inner roller 4, and the several rectangular fan blades 20 are equidistantly arranged around the central axis of the inner roller 4. Several groups of vent holes 21 are opened on the side wall of the inner roller 4, and the several groups of vent holes 21 are equidistantly arranged around the central axis of the inner roller 4. Each group of vent holes 21 is linearly equidistant along the direction of the central axis of the inner roller 4. Several groups of vent holes 21 are opened on the side wall of the rolling roller 1. A set of conical through holes 22 are arranged equidistantly around the central axis of the rolling roller 1. The conical through holes 22 in each set are linearly and equidistantly arranged along the central axis of the rolling roller 1. Limiting rings 23 are fixedly connected to the outer walls at both ends of the rolling roller 1. Two sets of cylindrical through holes 24 are opened on the side wall of the rolling roller 1, and both sets of cylindrical through holes 24 are located between the limiting rings 23 and the rolling roller 1. Several vent holes 21 can transmit the cooled air inside the inner roller 4 to the position between the inner roller 4 and the rolling roller 1. Several rectangular fan blades 20 play a blowing role to accelerate air circulation. The trapezoidal through holes can accelerate the air from the inside of the rolling roller to the outside, enhancing the effect of wind power heat dissipation.

[0037] Furthermore, such as Figure 2 , Figure 8 as well as Figure 9 As shown, several universal balls 14 are fixedly connected to the end faces of the two ends of the built-in roller 4. The universal balls 14 are equidistantly arranged around the central axis of the built-in roller 4. The movable ends of the universal balls 14 are in contact with the inner bottom wall of the first sliding groove 3. A first fixing plate 15 is provided at one end of the rolling roller 1. An annular groove block 16 is fixedly connected to the side of the first fixing plate 15 near the rolling roller 1. Several round balls 17 are rotatably connected to the inner walls on both sides of the annular groove block 16. The annular groove block 16 is rotatably connected to one end of the rolling roller 1, and the round balls 17 are in contact with one end of the rolling roller 1. The universal balls 14 reduce the friction when the rolling roller 1 rotates, and the round balls are used to reduce the friction when the built-in roller 4 rotates.

[0038] Furthermore, such as Figure 2 as well as Figure 5As shown, the end of the rolling roller 1 away from the first fixed plate 15 is fixedly connected to the internal gear ring 25. A second fixed plate 26 is provided on the side of the rolling roller 1 near the internal gear ring 25. The first fixed plate 15 and the second fixed plate 26 are used to fix the structure of the rolling roller 1. A first rotating shaft 27 is rotatably connected between the second fixed plate 26 and one end face of the rolling roller 1. A double gear 28 is fixedly connected to the first rotating shaft 27. One gear of the double gear 28 meshes with the internal gear ring 25. The built-in roller 4 is located away from the fixed rotating part 9. One end of the device is fixedly connected to several fixed rods 29, which are equidistantly arranged around the central axis of the inner roller 4. The ends of the fixed rods 29 away from the inner roller 4 are jointly fixedly connected to a follower rod 30. The end of the follower rod 30 away from the fixed rods 29 is fixedly connected to a driven gear 31, which meshes with another gear in the double gear 28. Several arc-shaped fan blades 32 are fixedly connected to the side wall of the follower rod 30, and are equidistantly arranged around the central axis of the follower rod 30. A filter screen 33 is fixedly connected between the side wall of the follower rod 30 and the inner side wall of the rolling roller 1. Several arc-shaped fan blades 32 are located between several fixed rods 29 and the filter screen 33. A second rotating shaft 34 is rotatably connected to the second fixed plate 26, and the second rotating shaft 34 passes through the second fixed plate 26. A drive gear 35 is fixedly connected to the end face of the second rotating shaft 34 near the rolling roller 1. A power source is provided through the second rotating shaft 34, which drives the drive gear 35 to rotate. Next, the driven gear 31 is driven to rotate in the opposite clockwise direction to the driving gear 35, which in turn drives the double gear 28 to rotate in the opposite clockwise direction to the driven gear 31. Then, through the internal gear ring 25, the rolling roller 1 and the double gear 28 rotate in the opposite clockwise direction. When the follower rod 30 rotates, it drives the arc-shaped fan blade 32 to rotate, which blows air into the inside of the built-in roller 4. The opposite clockwise rotation of the built-in roller 4 and the rolling roller 1 will enhance the airflow cooling effect between them.

[0039] like Figures 1-10 As shown, the method of using the circulating cooling device for producing composite functional differentiated short fibers provided in this embodiment includes the following steps:

[0040] S1: First, fix the first fixing plate 15 and the second fixing plate 26 respectively. A power source is provided through the second rotating shaft 34. The second rotating shaft 34 will drive the driving gear 35 to rotate, and then drive the driven gear 31 to rotate in the opposite clockwise direction to the driving gear 35. In turn, it will drive the double gear 28 to rotate in the opposite clockwise direction to the driven gear 31. Then, through the internal gear ring 25, it will drive the rolling roller 1 to rotate in the opposite clockwise direction to the double gear 28.

[0041] S2: Then, the driven gear 31 drives the built-in roller 4 to rotate through the follower rod 30 and several fixed rods 29, which in turn drives several cooling pipes 6 and return pipes 7 to rotate. The pipe ring 8 connected to the cooling pipe 6 drives the fixed rotating part 9 to rotate on the fixed part 12 through several L-shaped pipes 10. The return pipe 7 drives the return rotating part 11 to rotate on the return part 13 and rotates synchronously with the fixed rotating part 9.

[0042] S3: The coolant flows through the inlet pipe 19 through several cooling pipes 6, and finally flows out through the return pipe 7 and the outlet pipe 18. This cycle repeats and, under the action of several heat sinks 5, dissipates heat from the built-in roller 4 and the rolling roller 1. The cooled air passes through several vent holes 21 and acts on the vent chamber 2 between the built-in roller 4 and the rolling roller 1.

[0043] S4: Finally, when transporting fiber products on the outer surface of the rolling roller 1, several rectangular fan blades 20 will cause cold air from inside the built-in roller 4 to act on the fiber products through several tapered through holes 22.

[0044] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0045] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0046] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A circulating cooling device for the production of composite functional differentiated short fibers, comprising a rolling roller (1), characterized in that: A ventilation chamber (2) is provided inside the rolling roller (1). A sliding groove (3) is provided on each of the two side walls of the ventilation chamber (2). An internal roller (4) is slidably connected to the two sliding grooves (3). A number of heat sinks (5) are fixedly connected to the inner wall of the internal roller (4). The heat sinks (5) are linearly and equidistantly arranged along the central axis of the internal roller (4). A number of cooling pipes (6) are fixedly connected to the inner wall of the internal roller (4). The cooling pipes (6) are equidistantly arranged around the central axis of the internal roller (4), and each cooling pipe (6) passes through the heat sinks (5). One end of each cooling pipe (6) is connected to a common connection. A return pipe (7) is located at the central axis of the built-in roller (4). The other ends of several cooling pipes (6) are connected to a pipe ring (8). A fixed rotating component (9) is fixedly connected to the inner wall of one end of the built-in roller (4). Several L-shaped pipes (10) are connected between the inside of the fixed rotating component (9) and the inside of the pipe ring (8). Several L-shaped pipes (10) are equidistantly arranged around the central axis of the fixed rotating component (9). A return rotating component (11) is fixed to the inner wall of the fixed rotating component (9). The end of the return pipe (7) away from the several cooling pipes (6) is connected to the inside of the return rotating component (11). The fixed rotating component (9) A fixing member (12) is rotatably connected to and communicates with the end away from the L-shaped tube (10). A return rotating member (11) is rotatably connected to and communicates with the return pipe (7) via a return member (13). Several rectangular fan blades (20) are fixedly connected to the outer surface of the built-in roller (4), and the several rectangular fan blades (20) are equidistantly arranged around the central axis of the built-in roller (4). Several groups of ventilation holes (21) are opened on the side wall of the built-in roller (4), and the several groups of ventilation holes (21) are equidistantly arranged around the central axis of the built-in roller (4). The ventilation holes (21) in each group are linearly equidistantly arranged along the central axis of the built-in roller (4). The side wall of the rolling roller (1) Several sets of tapered through holes (22) are provided, and the several sets of tapered through holes (22) are equidistantly arranged around the central axis of the rolling roller (1). The tapered through holes (22) in each set are linearly equidistantly arranged along the central axis of the rolling roller (1). Limiting rings (23) are fixedly connected to the outer walls at both ends of the rolling roller (1). Two sets of cylindrical through holes (24) are provided on the side wall of the rolling roller (1), and both sets of cylindrical through holes (24) are located between the limiting rings (23) and the rolling roller (1). An internal gear ring (25) is fixedly connected to the end of the rolling roller (1) away from the first fixing plate (15). A second fixing plate (26) is provided on the side of the rolling roller (1) close to the internal gear ring (25).A rotating shaft (27) is rotatably connected between the second fixed plate (26) and one end face of the rolling roller (1). A double gear (28) is fixedly connected to the first rotating shaft (27). One gear of the double gear (28) meshes with the internal gear ring (25). A number of fixed rods (29) are fixedly connected to the end of the inner roller (4) away from the fixed rotating part (9). The number of fixed rods (29) are equidistantly arranged around the central axis of the inner roller (4). A follower rod (30) is fixedly connected to the end of the number of fixed rods (29) away from the inner roller (4). A driven gear (31) is fixedly connected to the end of the follower rod (30) away from the fixed rod (29). The follower rod (30) meshes with another gear in the double gear (28). Several arc-shaped fan blades (32) are fixedly connected to the side wall of the follower rod (30). These arc-shaped fan blades (32) are equidistantly arranged around the central axis of the follower rod (30). A filter screen (33) is fixedly connected between the side wall of the follower rod (30) and the inner side wall of the rolling roller (1). Several arc-shaped fan blades (32) are located between several fixed rods (29) and the filter screen (33). A second rotating shaft (34) is rotatably connected to the second fixed plate (26), and the second rotating shaft (34) passes through the second fixed plate (26). A drive gear (35) is fixedly connected to the end face of the second rotating shaft (34) near the rolling roller (1).

2. The circulating cooling device based on composite functional differentiated short fiber production according to claim 1, characterized in that: Several universal balls (14) are fixedly connected to the two end faces of the built-in roller (4). The several universal balls (14) are equidistantly arranged around the central axis of the built-in roller (4), and the movable ends of the several universal balls (14) are in contact with the inner bottom wall of the first sliding groove (3).

3. The circulating cooling device based on composite functional differentiated short fiber production according to claim 2, characterized in that: One end of the rolling roller (1) is provided with a No. 1 fixing plate (15). The No. 1 fixing plate (15) is fixedly connected to an annular groove block (16) on one side of the rolling roller (1). Several round beads (17) are rotatably connected to the inner walls on both sides of the annular groove block (16). The annular groove block (16) is rotatably connected to one end of the rolling roller (1), and several round beads (17) are in contact with one end of the rolling roller (1).

4. The circulating cooling device based on composite functional differentiated short fiber production according to claim 3, characterized in that: The end of the reflux rotating component (11) away from the reflux component (13) is connected to the water outlet pipe (18), and the end of the fixing component (12) away from the fixed connection is connected to the water inlet pipe (19). The water outlet pipe (18) and the water inlet pipe (19) both pass through the first fixing plate (15) and extend to the side of the first fixing plate (15) away from the rolling roller (1).

5. A method of using the circulating cooling device for producing composite functional differentiated short fibers as described in claim 4, characterized in that: Includes the following steps: S1: First, fix the first fixing plate (15) and the second fixing plate (26) respectively. A power source is provided through the second rotating shaft (34). The second rotating shaft (34) will drive the driving gear (35) to rotate, and then drive the driven gear (31) to rotate in the opposite clockwise direction to the driving gear (35). In turn, it will drive the double gear (28) to rotate in the opposite clockwise direction to the driven gear (31). Then, through the internal gear ring (25), it will drive the rolling roller (1) to rotate in the opposite clockwise direction to the double gear (28). S2: Then, the driven gear (31) drives the built-in roller (4) to rotate through the follower rod (30) and several fixed rods (29), which in turn drives several cooling pipes (6) and return pipes (7) to rotate. The pipe ring (8) connected to the cooling pipes (6) drives the fixed rotating part (9) to rotate on the fixed part (12) through several L-shaped pipes (10). The return pipe (7) drives the return rotating part (11) to rotate on the return part (13) and rotate synchronously with the fixed rotating part (9). S3: The coolant flows through the inlet pipe (19) through several cooling pipes (6), and finally flows out through the return pipe (7) and the outlet pipe (18). This cycle repeats and, under the action of several heat sinks (5), it cools the built-in roller (4) and the rolling roller (1). The cooled air passes through several vent holes (21) and acts on the vent cavity (2) between the built-in roller (4) and the rolling roller (1). S4: Finally, when transporting fiber products on the outer surface of the rolling roller (1), the cold air from the inside of the built-in roller (4) will be applied to the fiber products through several tapered through holes (22) by several rectangular fan blades (20).

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