Simple electromagnetic roller with built-in heating ring

Abstract

The utility model discloses a simple electromagnetic roller with a built-in heating ring, relates to the technical field of rollers, and mainly aims to realize uniform heat conduction of a roller body and simple and convenient installation and maintenance. According to the main technical scheme, a roller body is included; the mandrel rotating device comprises a mandrel mounted in the middle of the roller body and two groups of bearing assemblies mounted on the mandrel; the magnetic field shielding devices are uniformly distributed on the mandrel; the heating device is mounted on the magnetic field shielding device; the central spindle is sleeved with the heat insulation device; and the slip ring device is installed on the heat insulation device and fixedly connected with the mandrel, and the slip ring device is used for achieving transmission of current signals, data signals or images and power data between the mandrel rotating device and the roller body.

Description

Technical Field

[0001] The utility model relates to the technical field of rollers, in particular to a simple electromagnetic roller with a built-in heating ring. Background Art

[0002] Electromagnetic heat-conducting roller is a heating roller that converts electrical energy into thermal energy. It is widely used in aluminum and electricity industry, packaging industry, plastic industry, papermaking industry, printing machine, embossing machine, papermaking machine, slitting machine. The structure of electromagnetic rollers on the market is relatively complex, which will bring great inconvenience to maintenance work after the product is damaged, so it is necessary to design an electromagnetic roller that is easy to use. Utility Model Content

[0003] In view of this, an embodiment of the utility model provides a simple electromagnetic roller with a built-in heating ring, the main purpose of which is to achieve uniform heat conduction of the roller body and simple installation and maintenance.

[0004] In order to achieve the above purpose, the utility model mainly provides the following technical solutions:

[0005] The utility model provides a simple electromagnetic roller with a built-in heating ring, comprising:

[0006] Roller body;

[0007] A mandrel rotating device, comprising a mandrel mounted in the middle of the roller body and two sets of bearing assemblies mounted on the mandrel;

[0008] A magnetic field shielding device, which is evenly distributed on the core shaft;

[0009] A heating device, which is installed on the magnetic field shielding device;

[0010] A heat insulating device, which is sleeved on the mandrel;

[0011] A slip ring device is installed on the heat insulation device and fixedly connected to the core shaft. The slip ring device is used to realize the transmission of current signals, data signals or images and power signals between the core shaft rotating device and the roller body.

[0012] As mentioned above, the material of the roller body is alloy steel.

[0013] As mentioned above, the core shaft is made of SUS304 stainless steel.

[0014] As mentioned above, the two sets of bearing assemblies each include a high-temperature bearing mounted in cooperation with the roller body and a retaining spring mounted on the core shaft and connected to the high-temperature bearing.

[0015] As mentioned above, the magnetic field shielding device is made of amorphous material.

[0016] As mentioned above, the heating device adopts a heating coil.

[0017] As mentioned above, the thermal insulation device adopts a thermal insulation sleeve.

[0018] As mentioned above, the thermal insulation sleeve is made of epoxy resin material.

[0019] As mentioned above, the slip ring device adopts an electric slip ring.

[0020] By means of the above technical solution, the simple electromagnetic roller with built-in heating coil of the utility model has at least the following advantages:

[0021] The simple electromagnetic roller with built-in heating coil of the utility model is provided with a heating coil wound on a magnetic field shielding device. The heat generated after power is turned on is transferred to the roller surface, thereby achieving uniform heat conduction of the roller body and simple installation and maintenance, making the heat transfer uniform, the heat transfer efficiency high, and the coil disassembly and maintenance convenient.

[0022] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front view of a simple electromagnetic roller with a built-in heating ring of the utility model. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purpose, the specific implementation methods, structures, features and effects of the utility model application are described in detail below in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

[0025] like Figure 1 As shown, an embodiment of the utility model provides a simple electromagnetic roller with a built-in heating ring, which includes: a roller body 1, a core shaft rotating device 2, a magnetic field shielding device 3, a heating device 4, a heat insulation device 5 and a slip ring device 6.

[0026] The roller body 1 is made of alloy steel, which has good wear resistance, corrosion resistance and heat resistance. After the roller body 1 is machined and formed, bearing mounting positions are machined on both sides.

[0027] The mandrel rotating device 2 includes a mandrel 21 installed in the middle of the roller body 1 and two sets of bearing assemblies 22 installed on the mandrel 21. The mandrel 21 is made of SUS304 stainless steel. After processing and forming, the corresponding bearing seat installation position and retaining spring position are machined, and the outlet hole is processed. The two sets of bearing assemblies 22 each include a high-temperature bearing 221 installed in cooperation with the roller body 1 and a retaining spring 222 installed on the mandrel 21 and connected to the high-temperature bearing 221. The high-temperature bearing 221 needs to withstand more than 200 degrees and is installed in cooperation with the roller body 1. The function of the retaining spring 222 is to prevent the high-temperature bearing 221 from running or shifting.

[0028] The magnetic field shielding device 3 is evenly distributed on the mandrel 21; the magnetic field shielding device 3 adopts amorphous material, which is evenly distributed on the mandrel 21, and the main function of the amorphous material is to shield the magnetic field. The heating device 4 is installed on the magnetic field shielding device 3; the heating device 4 adopts a heating coil, which is evenly wound on the amorphous material, and its main function is to generate heat after power is turned on. The heat insulation device 5 is sleeved on the mandrel 21, and the heat insulation device 5 adopts a heat insulation sleeve, and the material of the heat insulation sleeve is epoxy resin, and its main function is to isolate heat so that the slip ring device is not easily damaged and prolong the life of the slip ring device. The slip ring device 6 is installed on the heat insulation device 5 and fixedly connected to the mandrel 21. The slip ring device 6 is used to realize the transmission of current signals, data signals or images and power data between the mandrel rotating device 2 and the roller body 1. The slip ring device 6 adopts a slip ring. The slip ring is fixedly connected to the mandrel 21 by bolts. The function of the slip ring is mainly to realize the precision transmission device of current, data signals or images and power transmission of two relative rotating mechanisms. It is often used in areas where 360° unlimited continuous rotation is required to transmit electrical signals or data signals from a fixed position to a rotating position.

[0029] The utility model is widely used in aluminum and electricity industry, packaging industry, plastic industry, papermaking industry, printing presses, embossing machines, papermaking machines and slitting machines.

[0030] The simple electromagnetic roller with built-in heating coil of the utility model is provided with a heating coil wound on a magnetic field shielding device. The heat generated after power is turned on is transferred to the roller surface, thereby achieving uniform heat conduction of the roller body and simple installation and maintenance, making the heat transfer uniform, the heat transfer efficiency high, and the coil disassembly and maintenance convenient.

[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A simple electromagnetic roller with a built-in heating coil, characterized in that: include: Roller body; A mandrel rotating device, comprising a mandrel mounted in the middle of the roller body and two sets of bearing assemblies mounted on the mandrel; A magnetic field shielding device, which is evenly distributed on the core shaft and located inside the roller body; A heating device, which is mounted on the magnetic field shielding device and located inside the roller body; A heat insulating device, which is sleeved on the mandrel; A slip ring device is installed on the heat insulation device and fixedly connected to the core shaft. The slip ring device is used to realize the transmission of current signals, data signals or images and power signals between the core shaft rotating device and the roller body.

2. The simple electromagnetic roller with built-in heating coil according to claim 1, characterized in that: The roller body is made of alloy steel.

3. The simple electromagnetic roller with built-in heating coil according to claim 1, characterized in that: The core shaft is made of SUS304 stainless steel.

4. The simple electromagnetic roller with built-in heating coil according to claim 1, characterized in that: The two sets of bearing assemblies each include a high-temperature bearing mounted in cooperation with the roller body and a retaining spring mounted on the mandrel and connected to the high-temperature bearing.

5. The simple electromagnetic roller with built-in heating coil according to claim 1, characterized in that: The magnetic field shielding device is made of amorphous material.

6. The simple electromagnetic roller with built-in heating coil according to claim 1, characterized in that: The heating device adopts a heating coil.

7. The simple electromagnetic roller with built-in heating coil according to claim 1, characterized in that: The heat insulation device adopts a heat insulation sleeve.

8. The simple electromagnetic roller with built-in heating coil according to claim 7, characterized in that: The heat insulation sleeve is made of epoxy resin material.

9. The simple electromagnetic roller with built-in heating coil according to claim 1, characterized in that: The slip ring device adopts a slip ring.

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