Electromagnetic heating roller structure

Abstract

The utility model discloses an electromagnetic heating roller structure which comprises a heating roller, a servo motor, a speed reducer and fixing frames, the two ends of the heating roller are rotationally arranged on the two fixing frames respectively, one end of the heating roller is connected to one end of the speed reducer in an embedded mode, and the other end of the speed reducer is connected to the servo motor. One end of the speed reducer is in transmission connection with the heating roller, the other end of the speed reducer is in transmission connection with the servo motor, the heating roller comprises a roller core, the roller core is arranged in the heating roller, and an electromagnetic coil is wound outside the roller core. The electromagnetic heating roller structure has the advantages that the heat distribution uniformity of the roller surface is good, the heating efficiency is effectively improved, the energy is saved, the environment is protected, and the consistency of the film forming thickness of equipment is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heating roller technical field, concretely relates to an electromagnetic heating roller structure. BACKGROUND

[0002] The current traditional roller heating mode generally adopts oil heating to control the temperature of the roller, and the internal structure of the oil heating roller is mainly honeycomb and spiral, the roller surface temperature uniformity is ±3 DEG C, and the roller surface temperature uniformity directly affects the film forming uniformity and film forming efficiency in the dry electrode film production process, and the subsequent film thinning effect, in addition, the roller heating mode also has the problems of serious pollution, high energy consumption and safety.

[0003] Therefore, it is necessary to provide an electromagnetic heating roller structure to solve the above problems. SUMMARY

[0004] In order to overcome the defects of the prior art, the utility model provides an electromagnetic heating roller structure, which not only has good roller surface heat distribution uniformity, effectively improves the heating efficiency, is energy-saving and environment-friendly, and also improves the consistency of the film thickness of the equipment.

[0005] The utility model solves the technical problems by adopting the technical scheme of:

[0006] An electromagnetic heating roller structure, comprising a heating roller, a servo motor, a speed reducer and a fixing frame, both ends of the heating roller are rotatably connected to the fixing frame, one end of the heating roller is embeddedly connected to one end of the speed reducer, the other end of the speed reducer is drivingly connected to the servo motor, the heating roller comprises a roller core, the roller core is arranged inside the heating roller, and an electromagnetic coil is arranged outside the roller core.

[0007] As a further improvement of the above technical scheme, the heating roller further comprises an outer roller body, a first end shaft and a second end shaft, the roller core is arranged inside the outer roller body, both ends of the roller core are rotatably connected to the first end shaft and the second end shaft, and both ends of the outer roller body are fixedly connected to the first end shaft and the second end shaft.

[0008] As a further improvement of the above technical scheme, the outer roller body is arranged in a roller structure, and the roller core, the outer roller body, the first end shaft and the second end shaft form an air containing cavity, and the air containing cavity is filled with a superconducting material.

[0009] As a further improvement of the above technical scheme, the first end shaft and the second end shaft are provided with clamping blocks inwardly, and the clamping blocks are clamped in the air containing cavity.

[0010] As a further improvement of the above technical solution, the roll core is provided with a hollow structure, including a gas inlet pipe and a gas outlet pipe, the electromagnetic coil is wrapped around the gas inlet pipe, and the two ends of the gas inlet pipe are respectively connected with the first end shaft and the second end shaft.

[0011] As a further improvement of the above technical solution, a plurality of wire holes are arranged on the gas inlet pipe, and the wire holes are arranged at the two ends of the electromagnetic coil.

[0012] As a further improvement of the above technical solution, a mounting long hole is arranged in the middle of the second end shaft, and the two ends of the gas outlet pipe are rotatably connected with the inner wall of the mounting long hole.

[0013] As a further improvement of the above technical solution, the first end shaft is provided with a stepped shaft, and the stepped shaft is provided with a fixing key, one end of the speed reducer is provided with a fixing groove, a key groove is arranged in the fixing groove, and the stepped shaft is connected in the fixing groove.

[0014] As a further improvement of the above technical solution, one end of the outer roller body is provided with a temperature measuring hole for fixing a temperature sensor.

[0015] As a further improvement of the above technical solution, the roll diameter of the heating roller is 200mm or 300mm.

[0016] The beneficial effects of the present application are as follows:

[0017] The heating roller of the present application adopts electromagnetic heating mode to replace the traditional oil heating mode for heating, which has the advantages of high heating efficiency, good heat distribution uniformity (temperature difference ±1℃), and obvious promotion effect on subsequent calendering effect, effectively improving the dry electrode production quality of the equipment; in addition, the heating roller and the speed reducer adopt embedded design, which omits the traditional use of shaft coupling to connect the speed reducer and the film forming steel roller, reduces the coaxial runout at the connection between the heating roller and the speed reducer, and improves the consistency of the film forming thickness of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in combination with the drawings and examples.

[0019] Figure 1 is a cross-sectional structure schematic view of the electromagnetic heating roller of the present application;

[0020] Figure 2 is a three-dimensional structure schematic view of the heating roller of the present application;

[0021] Figure 3 is a structure disassembly view of the heating roller of the present application;

[0022] Figure 4 is sectional view structure diagram of heating roller of the utility model.

[0023] Sign: 1, heating roller; 11, roller core; 111, air inlet pipe; 112, air pipe; 113, wiring hole; 12, outer roller body; 121, temperature measuring hole; 13, first end shaft; 14, second end shaft; 15, air cavity; 16, clamping block; 17, mounting long hole; 18, stepped shaft; 2, servo motor; 3, speed reducer; 31, fixed groove; 4, fixed frame; 5, electromagnetic coil. DETAILED DESCRIPTION

[0024] The utility model will combine with embodiment and drawing to clearly, completely describe the conception, specific structure and generated technical effect of the utility model to fully understand the purpose, characteristics and effect of the utility model. Obviously, the described embodiment is only a part of embodiment of the utility model, not all embodiment, based on the embodiment of the utility model, other embodiments obtained by the skilled in the art without creative labor are all within the protection scope of the utility model. In addition, all the coupling / connection relations involved in the patent are not single component direct interface, but can be according to the specific implementation situation, by adding or reducing coupling auxiliary member, to constitute the more optimal coupling structure, such as fixed connection / fixed installation can be according to the need and select screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon joint, welding, riveting and so on, such as detachable connection can be according to the need and select screw connection, bolt connection, thread connection, buckle connection, mortise and tenon joint, magic tape connection and so on. The various technical features in the utility model creation can be interactively combined under the premise of not mutually contradictory conflict.

[0025] Refer to Figure 1The utility model provides an electromagnetic heating roller structure, including heating roller 1, servo motor 2, speed reducer 3 and fixed frame 4, wherein the both ends of heating roller 1 are rotatably connected on two fixed frames 4 respectively, and the fixed frame 4 is used for stably supporting and fixing heating roller 1, and the stability and safety during working are ensured, one end of the heating roller 1 is embeddedly connected in one end of the speed reducer 3, adopts embeddedly connected design, omits the traditional use coupling to connect speed reducer and heating roller, reduces the coaxial runout of heating roller and speed reducer connection, improves the consistency of equipment film thickness, the other end of the speed reducer 3 is drivingly connected with the servo motor 2, and the servo motor 2 provides power source, can realize the accurate control to heating roller 1 through the accurate control of the rotating speed and rotating direction of servo motor 2, and the speed reducer 3 ensures that heating roller 1 can rotate smoothly and slowly, the heating roller 1 includes roller core 11, the roller core 11 is arranged in the inside of the heating roller 1, the roller core 11 is surrounded by electromagnetic coil 5 outside, electromagnetic coil 5 is electrified and generates alternating magnetic field, thereby generating eddy current in roller core 1 and heating, thereby heating the film contacted on the surface of heating roller, the heat distribution is good in uniformity, the heating efficiency is high, and the film forming quality of equipment can be improved.

[0026] Referring to Figure 2 、 Figure 3 In the embodiment of the utility model, the heating roller 1 further includes outer roller body 12, first end shaft 13 and second end shaft 14, the roller core 11 is arranged in the inside of the outer roller body 12, and the both ends of the roller core 11 are rotatably connected with the first end shaft 13 and the second end shaft 14 respectively, so that the roller core 11 can rotate, which is conducive to improving the uniformity of heat distribution in the heating roller 1, and the both ends of the outer roller body 12 are fixedly connected with the first end shaft 13 and the second end shaft 14 respectively, so as to stably fix the outer roller body 12 and the roller core 11.

[0027] Specifically, the outer roller body 12 is arranged in a roller structure and serves as the external structure of the heating roller 1, which not only protects the internal roller core 11 and electromagnetic coil 5, but also undertakes the task of transferring the heat generated by the roller core 11 to the material, so as to ensure sufficient contact and uniform heating with the material, and the roller core 11, the outer roller body 12, the first end shaft 13 and the second end shaft 14 form an air containing cavity 15, which is filled with superconducting material such as liquid nitrogen and argon, and the flowing liquid nitrogen makes the superconducting wire coil generate superconducting phenomenon.

[0028] Specifically, the first end shaft 13 and the second end shaft 14 are inwardly provided with clamping blocks 16, which are tightly clamped in the air containing cavity 15, so as to ensure the sealing property of the air containing cavity 15 and prevent the superconducting material from leaking, and the clamping blocks 16 can also provide certain axial support and enhance the overall structural strength of the heating roller 1.

[0029] Referring to Figure 3 ,Figure 4 In the embodiment of the utility model, the roll core 11 is arranged as a hollow structure, including air inlet pipe 111 and air pipe 112, the electromagnetic coil 5 is around the air inlet pipe 111, when the electromagnetic coil 5 is electrified, will produce magnetic field and induce the metal (such as iron) in air inlet pipe 111 produce eddy current, further produce heat, both efficient and energy saving, and the both ends of air inlet pipe 111 are rotatably connected with the first end shaft 13 and the second end shaft 14 respectively, the roll core 11 is stably installed, the air pipe 112 is connected at one end of the air inlet pipe 111, which is convenient for the superconducting material to be introduced into the air inlet pipe or the air cavity, and the heat conduction effect is enhanced.

[0030] Specifically, a plurality of wiring holes 113 are arranged on the air inlet pipe 111, the wiring holes 113 are arranged at both ends of the electromagnetic coil 5, the wires at both ends of the electromagnetic coil 5 pass through the wiring holes 113 and are connected with the external power supply, and at the same time, the gas in the air inlet pipe 111 can be uniformly distributed into the air cavity 15 between the outer roller body 12 and the roll core 11, thereby further enhancing the superconducting effect; in addition, the middle part of the second end shaft 14 is provided with a mounting long hole 17, the both ends of the air pipe 112 are rotatably connected with the inner wall of the mounting long hole 17, so that the electromagnetic coil 5 and the roll core 11 are fixed and not rotated, and the second end shaft 14 and the outer roller body 12 are rotated, thereby ensuring the stable rolling and heating of the heating roller 1.

[0031] Specifically, the first end shaft 13 is provided with a stepped shaft 18, and the stepped shaft 18 is provided with a fixing key, one end of the speed reducer 3 is provided with a fixing groove 31, a key groove is arranged in the fixing groove 31, the stepped shaft 18 is connected in the fixing groove 31, the first end shaft 13 is limited at the end, the fixing key is arranged in the key groove, and the first end shaft 13 is circumferentially fixed, so that the first end shaft 13 can be closely matched with the speed reducer 3, thereby ensuring the coaxiality of the heating roller 1 and the speed reducer 3, and effectively improving the consistency of the film thickness of the equipment.

[0032] Specifically, one end of the outer roller body 12 is provided with a temperature measuring hole 121, and the temperature measuring hole 121 is used for fixing a temperature sensor, so that the roller surface temperature of the outer roller body 12 can be accurately measured, thereby realizing real-time monitoring and accurate control of the heating process, which is very important for ensuring product quality and stability.

[0033] In addition, based on the film forming effect and thinning effect in actual application, the roll diameter of the heating roller 1 is set to 200mm or 300mm, under the two roll diameters, the film forming effect and thinning effect of the product are the best, which meets the specific production requirements.

[0034] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the described embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. An electromagnetic heating roller structure, characterized by: The application relates to a heating roller, which comprises a heating roller (1), a servo motor (2), a speed reducer (3) and a fixing frame (4), both ends of the heating roller (1) are rotatably arranged on two fixing frames (4), one end of the heating roller (1) is embeddedly connected to one end of the speed reducer (3), the other end of the speed reducer (3) is drivingly connected to the servo motor (2), the heating roller (1) comprises a roller core (11) arranged in the interior of the heating roller (1), and an electromagnetic coil (5) is arranged around the roller core (11).

2. An electromagnetic heating roller structure according to claim 1, characterized by: The heating roller (1) further comprises an outer roller body (12), a first end shaft (13) and a second end shaft (14), the roller core (11) is arranged in the interior of the outer roller body (12), and both ends of the roller core (11) are rotatably connected to the first end shaft (13) and the second end shaft (14), and both ends of the outer roller body (12) are fixedly connected to the first end shaft (13) and the second end shaft (14).

3. An electromagnetic heating roller structure according to claim 2, characterized by: The outer roller body (12) is arranged in a roller structure, and the roller core (11), the outer roller body (12), the first end shaft (13) and the second end shaft (14) form an air containing cavity (15), and the air containing cavity (15) is filled with superconducting material.

4. An electromagnetic heating roller structure according to claim 3, characterized by: The first end shaft (13) and the second end shaft (14) are inwardly provided with clamping blocks (16) clamped in the air containing cavity (15).

5. The electromagnetic heating roller structure according to claim 2, wherein: The roller core (11) is arranged in a hollow structure and comprises an air inlet pipe (111) and an air vent pipe (112), the electromagnetic coil (5) is arranged around the air inlet pipe (111), both ends of the air inlet pipe (111) are rotatably connected to the first end shaft (13) and the second end shaft (14), and the air vent pipe (112) is connected to one end of the air inlet pipe (111).

6. An electromagnetic heating roller structure according to claim 5, characterized by: A plurality of wire holes (113) are arranged on the air inlet pipe (111), and the wire holes (113) are arranged at both ends of the electromagnetic coil (5).

7. An electromagnetic heating roller structure according to claim 5, wherein: A mounting long hole (17) is arranged in the middle of the second end shaft (14), and both ends of the air vent pipe (112) are rotatably connected to the inner wall of the mounting long hole (17).

8. The electromagnetic heating roller structure of claim 2, wherein: The first end shaft (13) is provided with a stepped shaft (18), the stepped shaft (18) is provided with a fixing key, one end of the speed reducer (3) is provided with a fixing groove (31), the fixing groove (31) is provided with a key groove, the stepped shaft (18) is connected in the fixing groove (31), and the fixing key is arranged in the key groove.

9. The electromagnetic heating roller structure of claim 2, wherein: One end of the outer roller body (12) is provided with a temperature measuring hole (121) for fixing a temperature sensor.

10. The electromagnetic heating roller structure of claim 1, wherein: The roller diameter of the heating roller (1) is 200mm or 300mm.

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