Direct drive type electromagnetic heating drying roller assembly

Through direct drive electromagnetic heating drying roller assembly, the existing drying rollers are solved, and the problems of slow start and unstable temperature are achieved, fast and precise heating and rotation control are achieved. It is suitable for high-performance carbon fiber production, improving drying efficiency and equipment Universality.

CN222143692UActive Publication Date: 2024-12-10INST OF COAL CHEM CHINESE ACAD OF SCI +1
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Patent Information

Application Number
CN202420708724.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2024-12-10
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

The existing drying rollers are slowly vaporized during startup, with temperature instability and safety risks, and it is difficult to achieve accurate rotation speed control, which cannot meet the needs of high-performance carbon fiber production.

Method used

A direct-drive electromagnetic heating drying roller assembly is designed, using a motor to drive the spindle to rotate, and an independent heating system is formed with the electromagnetic heater through a guide wire disc. A temperature sensor and a reducer are set to achieve accurate temperature and speed control, and multiple drying is The roll spacing is arranged to adjust the winding method and diameter to improve drying efficiency and equipment versatility.

Benefits of technology

It realizes precise control of rapid start-up, temperature stability and rotation speed, improves drying efficiency and equipment versatility, reduces energy consumption and wear, and is suitable for different fiber production processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a direct drive type electromagnetic heating drying roller assembly which comprises a machine frame and at least one drying roller installed on the machine frame, and each drying roller comprises a main shaft which is arranged in a penetrating hole of the machine frame in a rotating mode; the draw-off godet is sleeved at one end of the main shaft and synchronously rotates with the main shaft; each drying roller further comprises an electromagnetic heater which is installed on the rack, and at least part of the electromagnetic heater is located in the yarn guide disc. The motor is in driving connection with the other end of the main shaft and drives the main shaft to rotate. According to the drying roller structure, the electromagnetic heaters are adopted to independently heat the corresponding draw-off godets, and the motors drive the main shafts to rotate in a one-to-one correspondence mode, so that the drying rollers are provided with independent heating systems and transmission systems. The differentiation of fiber processes is realized; and the universality of drying equipment is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of textile machines, and in particular relates to a direct-drive electromagnetic heating drying roller assembly. Background Art

[0002] The chemical fiber industry is a pillar industry in my country, among which carbon fiber is an important direction for China's technological research and innovation.

[0003] In order to achieve and meet the research and development and production needs of high-performance carbon fiber, the production equipment of carbon fiber also needs to be continuously upgraded and improved. Most of the existing drying rollers use steam heating or oil heating rollers. When the steam roller is started, the internal condensed water vaporizes slowly, and it takes a long time to reach the normal production state. Leakage during the production process of the oil heating roller is prone to danger. Secondly, the temperature stability of the two rollers at the edges of the roller surface is insufficient. The requirements for carbon fiber production process are gradually increasing, and precise control of the rotation speed of different drying rollers is proposed.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a direct-drive electromagnetic heating drying roller assembly.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A direct-drive electromagnetic heating drying roller assembly comprises a frame and at least one drying roller mounted on the frame, each drying roller comprising:

[0008] A main shaft is rotatably disposed in the through hole of the frame;

[0009] The wire guide disc is sleeved on one end of the main shaft and rotates synchronously with the main shaft;

[0010] Each drying roller also includes:

[0011] An electromagnetic heater is mounted on the frame and at least partially located inside the wire guide disc;

[0012] The motor is connected to the other end of the main shaft and drives it to rotate.

[0013] Furthermore, the frame is provided with a fixing frame for installing the electromagnetic heater extending in the direction of the wire guide disk, and the fixing frame is sleeved on the outer circumference of the main shaft.

[0014] Furthermore, the wire guide disc is a hollow cylindrical structure, and an opening is provided on the side facing the frame, and the distance between the electromagnetic heater and the main shaft axis is smaller than the radius of the wire guide disc.

[0015] Furthermore, each drying roller further comprises a first bearing and a second bearing, wherein the first bearing is arranged in a through hole of the frame close to one side of the guide wire disc, and the second bearing is arranged in a through hole of the frame close to one side of the motor.

[0016] Furthermore, each drying roller further comprises a second bearing cover, wherein the second bearing cover is arranged on the frame, and a temperature sensor is arranged on one side of the second bearing cover.

[0017] Further, the temperature sensor includes a temperature sensor shell, a temperature sensor stator and a temperature sensor rotor, the temperature sensor shell is detachably arranged on the second bearing cover, the temperature sensor rotor is installed on the main shaft and rotates together with the main shaft, and the temperature sensor stator is installed on the second bearing cover.

[0018] Furthermore, each drying roller also includes a reducer, which is installed on the temperature sensor housing, the input end of the reducer is connected to the motor, and the motor drives the reducer to rotate, and the output end of the reducer is connected to the main shaft to drive it to rotate synchronously.

[0019] Furthermore, a plurality of drying rollers are arranged at intervals on the frame, and a distance between rotation centers of the wire guide disks of adjacent drying rollers is between 350 mm and 1200 mm.

[0020] Furthermore, the diameter of the wire guide disc ranges from 300 mm to 1000 mm.

[0021] Furthermore, the wrap angle of the yarn bundle on the godet is between 200° and 263°.

[0022] Each drying roller of the utility model is provided with a wire guide disc, an electromagnetic heater, a main shaft and a motor, and the wire guide disc corresponds to the electromagnetic heater, the main shaft and the motor one by one.

[0023] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art.

[0024] 1. Each drying roller of the utility model is provided with a motor to drive the main shaft, drive the main shaft to rotate, and then connect with the main shaft through the wire guide disk to rotate synchronously, so that each drying roller forms an independent transmission system, and then forms an independent heating system through the provision of an electromagnetic heater.

[0025] 2. The utility model provides two bearings between the main shaft and the frame to reduce the friction during the rotation of the main shaft, and then connects the motor with the reducer to accurately control the rotation speed of the main shaft; the temperature sensor provided on the drying roller can accurately control the temperature of the drying roller, so that the drying roller is suitable for different fiber production processes.

[0026] 3. Arrange and transmit multiple drying rollers in different ways to make the winding method of the tow and the wrap angle of a single drying roller different, so as to achieve different drying efficiencies. By changing the winding method, the wear of the tow caused by friction during the transmission process can be appropriately reduced. At the same time, different drying efficiencies can also be achieved by changing the diameter of the drying roller.

[0027] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work. In the accompanying drawings:

[0029] Figure 1 It is a schematic diagram of the direct-drive electromagnetic heating drying roller assembly of the utility model;

[0030] Figure 2 This is a schematic diagram of the arrangement of multiple drying rollers and the conveying of tows in the utility model. Figure 1 ;

[0031] Figure 3 This is a schematic diagram of the arrangement of multiple drying rollers and the conveying of tows in the utility model. Figure 2 ;

[0032] Figure 4 This is a schematic diagram of the arrangement of multiple drying rollers and the conveying of tows in the utility model. Figure 3 .

[0033] In the figure: 1. wire guide disk; 2. electromagnetic heater; 3. frame; 4. first bearing; 5. second bearing; 6. main shaft; 7. second bearing cover; 8. temperature sensor housing; 9. reducer; 10. motor; 11. temperature sensor rotor; 12. temperature sensor stator; 13. locking nut; 21. first drying roller; 22. second drying roller; 23. third drying roller; 24. fourth drying roller.

[0034] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0036] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] like Figure 1 As shown, the direct-drive electromagnetic heating drying roller assembly described in the utility model includes: a frame 3 and at least one drying roller installed on the frame 3, each drying roller includes:

[0039] A main shaft 6 is rotatably inserted in the perforation;

[0040] The wire guide disc 1 is sleeved on one end of the main shaft 6, partially fitted with the frame 3, and rotates synchronously with the main shaft 6;

[0041] The motor 10 is drivingly connected to the other end of the main shaft 6 and drives the main shaft 6 to rotate;

[0042] The electromagnetic heater 2 is mounted on the frame 3 and can be partially or completely inside the wire guide disc 1 , preferably completely inside the wire guide disc 1 .

[0043] Specifically, the frame 3 is a hollow frame, which is fixed to the ground by anchor bolts. Two through holes are correspondingly provided on both sides of the frame 3. The main shaft 6 passes through the two through holes and can be rotatably installed on the frame 3, and is partially located inside the frame 3. The wire guide disk 1 is coaxially sleeved on one end of the main shaft 6 and rotates synchronously with the main shaft 6. The wire guide disk 1 is partially fitted with the frame 3. The wire guide disk 1 is installed with the main shaft 6 through a locking nut 13. The main shaft 6 passes through the wire guide disk 1, and the locking nut 13 is coaxially installed at one end of the main shaft 6 to lock the wire guide disk 1 on the main shaft 6. The guide wire disc 1 is a hollow cylindrical structure, and one side close to the frame 3 is set as an opening. The frame 3 has a fixed frame extending in the direction of one side of the guide wire disc 1. The electromagnetic heater 2 is installed on the fixed frame on one side of the frame 3 and is located inside the guide wire disc 1. The other end of the main shaft 6 is directly or indirectly connected to the motor 10, and the main shaft 6 is driven to rotate by the motor 10. Each drying roller of the utility model heats the guide wire disc 1 through the electromagnetic heater 2, so that the fiber production process is cleaner, more environmentally friendly and more efficient.

[0044] In this embodiment, a bearing is also provided in the perforation, and the bearing sleeve is arranged on the main shaft 6. The bearing includes a first bearing 4 and a second bearing 5. The first bearing 4 is arranged in the perforation on the side close to the guide wire disk 1, and the second bearing 5 is arranged in another perforation of the frame 3. The second bearing cover 7 is detachably mounted on the frame 3 by screws. In the utility model, each drying roller can reduce the friction of the main shaft during rotation, reduce energy consumption, and increase the service life of the equipment by arranging two bearings between the main shaft and the frame.

[0045] In this embodiment, the drying roller also includes a temperature sensor, which is arranged on one side of the second bearing cover 7. The temperature sensor includes a temperature sensor shell 8, a temperature sensor rotor 11 and a temperature sensor stator 12. The temperature sensor shell 8 is detachably mounted on the second bearing cover 7, the temperature sensor stator 12 is mounted on the second bearing cover 7, and the temperature sensor rotor 11 is mounted on the main shaft 6 and rotates together with the main shaft 6.

[0046] Specifically, the temperature sensor housing 8 is detachably mounted on the second bearing cover 7 by screws, the temperature sensor stator 12 is detachably mounted on the second bearing cover 7 by screws, and the temperature sensor rotor 11 is splined on the main shaft 6 .

[0047] In this embodiment, the drying roller also includes a reducer 9, which is installed on one side of the temperature sensor housing 8. The motor 10 is coaxially connected to the input end of the reducer 9, and the output end of the reducer 9 is coaxially connected to the main shaft 6. In the utility model, each drying roller is provided with motive power by the motor 10 one by one, which is transmitted through the reducer 9 to drive the main shaft 6 to rotate, thereby driving the wire guide disk 1 to rotate.

[0048] Specifically, the reducer 9 is detachably mounted on the side of the temperature sensor housing 8 close to the motor 10 by screws, and the motor 10 is detachably mounted on the reducer 9 by screws. The spindle 6 is connected to the motor 10 through the reducer 9, and the rotation speed is appropriately reduced. At the same time, the rotation speed is controlled and adjusted to match the rotation speed for precise control.

[0049] The utility model discloses a direct-drive electromagnetic heating drying roller assembly, in which each drying roller is equipped with an independent transmission system and a heating system. Different drying rollers do not interfere with each other during operation. By arranging several drying rollers in different ways and independently setting the drying temperature and the rotation speed, the fiber process is differentiated and the versatility of the drying equipment is improved. Furthermore, by means of electromagnetic heating, the production process is made cleaner and more environmentally friendly, material quality is guaranteed, the yield rate is improved, energy consumption is reduced, and efficiency is high.

[0050] like Figures 2 to 4 As shown, the above-mentioned drying rollers of the utility model are arranged in different ways. Multiple drying rollers are arranged, and the filament bundle is input from point A as the wire entry point and output from point B as the wire exit point. It is transmitted along the first drying roller 21, the second drying roller 22, the third drying roller 23 and the fourth drying roller 24 in sequence. The wire guide disk 1 of each drying roller is set with an independent drying temperature and rotation speed, so that the filament bundle is transmitted on the wire guide disk 1. According to different arrangement methods, the winding method of the filament bundle between the wire guide disks 1 is different. The tension of the filament bundle is guaranteed between the multiple wire guide disks 1 during the transmission process to keep the filament bundle in a straight state.

[0051] like Figure 2As shown, in one embodiment, the drying rollers are provided with four, and a first drying roller 21, a second drying roller 22, a third drying roller 23 and a fourth drying roller 24 are arranged along the tow feeding direction, the axis of the second drying roller 22 is arranged parallel to the axis of the first drying roller 21 and on the same vertical plane, and the second drying roller 22 is arranged below the first drying roller 21 with an interval, the axis of the third drying roller 23 is arranged parallel to the axis of the second drying roller 22 and on the same horizontal height with an interval, the axis of the third drying roller 23 is arranged parallel to the axis of the fourth drying roller 24 and on the same vertical plane, and the fourth drying roller 24 is arranged above the third drying roller 23 with an interval, the interval between the first drying roller 21 and the second drying roller 22 is the same as the interval between the third drying roller 23 and the fourth drying roller 24, the axis of the fourth drying roller 24 is arranged parallel to the axis of the first drying roller The axes of 21 are arranged in parallel on the same horizontal plane, the interval between the first drying roller 21 and the fourth drying roller 24 is the same as the interval between the second drying roller 22 and the third drying roller 23, the filament bundle is obliquely input from the left side of the first drying roller 21, wrapped around the first drying roller 21 to the lower right side, output from the lower right side of the first drying roller 21, wrapped around the upper left side of the second drying roller 22, wrapped around the bottom of the second drying roller 22, output horizontally, and enter from the bottom of the third drying roller 23, wrapped around to the upper right side and output, input from the lower left side of the fourth drying roller 24, wrapped around to the upper side of the fourth drying roller 24 and output horizontally, through the arrangement between the multiple drying rollers, the filament bundle maintains a certain tension during the transmission process, so that the filament bundle is in a stretched state, and through the winding method between the filament bundle and the guide wire disk 1, the filament bundle is dried by the heating of the drying roller during the transmission process.

[0052] like Figure 3 As shown, in another embodiment, the axis of the first drying roller 21 is parallel to the axis of the third drying roller 23 and is arranged in parallel on the same horizontal plane, the axis of the second drying roller 22 is parallel to the axis of the fourth drying roller 24 and is arranged in parallel on the same horizontal plane, the second drying roller 22 is located below the middle of the first drying roller 21 and the third drying roller 23, the distance between the first drying roller 21 and the third drying roller 23 is smaller than the diameter of the drying roller, the tow enters obliquely from the upper left side of the first drying roller 21, goes around to the lower right side of the first drying roller 21, and exits from the left side of the second drying roller 22. It enters obliquely from the upper part, goes around to the upper right side of the second drying roller 22 and exits, it enters obliquely from the lower left side of the third drying roller 23 and goes around to the lower right side of the third drying roller 23 and exits, it enters obliquely from the upper left side of the fourth drying roller 24 and goes around to the lower right side and exits. Through different arrangements of multiple drying rollers, the filament bundles maintain a certain tension during transmission and are in a stretched state. Through different winding methods between the filament bundles and the guide wire disk 1, the filament bundles are in contact with the drying rollers more during transmission, and the filament bundles with different humidity are dried by heating the drying rollers.

[0053] like Figure 4 As shown, in another embodiment, the axis of the first drying roller 21 and the axis of the third drying roller 23 are arranged in parallel on the same horizontal plane, the axis of the second drying roller 22 and the axis of the third drying roller 23 are arranged in parallel on the same horizontal plane, the second drying roller 22 is located below the middle of the first drying roller 21 and the third drying roller 23, the distance between the first drying roller 21 and the third drying roller 23 is equal to the diameter of the drying roller, the tow enters from the upper left side of the first drying roller 21, goes around to the right side of the first drying roller 21 and passes vertically out from the second drying roller 2 2, goes around the right side of the second drying roller 22 and is vertically transmitted out, is vertically input from the left side of the third drying roller 23, goes around the right side of the third drying roller 23 and is vertically transmitted out, is vertically input from the left side of the fourth drying roller 24, goes around the right side of the fourth drying roller 24 and is transmitted out, through different arrangements between the multiple drying rollers, the filament bundle is kept at a certain tension during the transmission process, and is kept in a stretched state, and through different winding methods between the filament bundle and the drying roller, the contact between the filament bundle and the drying roller is reduced while the filament bundle is being dried, thereby reducing the wear caused by friction.

[0054] The above-mentioned different arrangements of the four drying rollers change the winding mode of the filament bundle and the wrap angle of a single wire guide disk 1 to achieve different drying efficiencies. Different drying efficiencies can also be achieved by changing the diameter of the wire guide disk 1. The rotation center spacing between the wire guide disks 1 is in the range of 350mm-1200mm, the wrap angle of the filament bundle on the wire guide disk 1 is between 200°-263°, and the diameter of the wire guide disk 1 is distributed in the range of 300mm-1000mm. The wire guide disks 1 have independent transmission systems and heating systems to achieve precise control of the temperature and rotation speed of a single wire guide disk 1, making the equipment more flexible and versatile and adaptable to different production processes. The above-mentioned examples of different arrangements of multiple drying rollers do not limit the number of drying rollers, and can also be two, three or more than four.

[0055] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical contents suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A direct-drive electromagnetic heating drying roller assembly, comprising a frame (3) and at least one drying roller mounted on the frame (3), each drying roller comprising: A main shaft (6) is rotatably arranged in a through hole of the frame (3); The wire guide disc (1) is sleeved on one end of the main shaft (6) and rotates synchronously with the main shaft (6); It is characterized in that: each drying roller also includes: An electromagnetic heater (2) is mounted on the frame (3) and is at least partially located inside the wire guide disc (1); The motor (10) is drivingly connected to the other end of the main shaft (6) and drives the main shaft (6) to rotate.

2. A direct-drive electromagnetic heating drying roller assembly according to claim 1, characterized in that: The frame (3) is provided with a fixing frame for mounting the electromagnetic heater (2) extending in the direction of the wire guide disk (1), and the fixing frame is sleeved on the outer circumference of the main shaft (6).

3. A direct-drive electromagnetic heating drying roller assembly according to claim 2, characterized in that: The guide wire disc (1) is a hollow cylindrical structure, and an opening is provided on the side facing the frame (3). The distance between the electromagnetic heater (2) and the main shaft axis is smaller than the radius of the guide wire disc (1).

4. The direct-drive electromagnetic heating drying roller assembly according to claim 1, characterized in that: Each drying roller further comprises a first bearing (4) and a second bearing (5), wherein the first bearing (4) is arranged in a through hole of the frame (3) close to the side of the guide wire disc (1), and the second bearing (5) is arranged in a through hole of the frame (3) close to the side of the motor (10).

5. A direct-drive electromagnetic heating drying roller assembly according to claim 4, characterized in that: Each drying roller further comprises a second bearing cover (7), wherein the second bearing cover (7) is arranged on the frame (3), and a temperature sensor is arranged on one side of the second bearing cover (7).

6. A direct-drive electromagnetic heating drying roller assembly according to claim 5, characterized in that: The temperature sensor comprises a temperature sensor housing (8), a temperature sensor stator (12) and a temperature sensor rotor (11); the temperature sensor housing (8) is detachably arranged on a second bearing cover (7); the temperature sensor rotor (11) is mounted on a main shaft (6) and rotates together with the main shaft (6); and the temperature sensor stator (12) is mounted on the second bearing cover (7).

7. A direct-drive electromagnetic heating drying roller assembly according to claim 6, characterized in that: Each drying roller also includes a reducer (9), which is mounted on the temperature sensor housing (8), the input end of the reducer (9) is connected to the motor (10), and the motor (10) drives the reducer (9) to rotate, and the output end of the reducer (9) is connected to the main shaft (6) to drive it to rotate synchronously.

8. A direct-drive electromagnetic heating drying roller assembly according to any one of claims 1 to 7, characterized in that: A plurality of drying rollers are arranged at intervals on the frame (3), and the distance between the rotation centers of the wire guide disks (1) of adjacent drying rollers is between 350 mm and 1200 mm.

9. A direct-drive electromagnetic heating drying roller assembly according to claim 8, characterized in that: The diameter of the guide wire disc (1) ranges from 300 mm to 1000 mm.

10. A direct-drive electromagnetic heating drying roller assembly according to claim 9, characterized in that: The wrap angle of the yarn bundle on the yarn guide disk (1) is between 200° and 263°.

Citation Information

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