Electromagnetic heat conduction roller with built-in cooling pipe

Abstract

The utility model discloses an electromagnetic heat conduction roller with a built-in cooling pipe, relates to the technical field of rollers, and mainly aims to realize rapid cooling of a roller body. According to the main technical scheme, a plurality of deep holes used for guiding in hot oil are machined in the wall of a roller body; the mandrel rotating device comprises a mandrel assembly mounted in the middle of the roller body and two groups of bearing assemblies connected with the mandrel assembly; the cooling device is arranged on the core shaft assembly and is positioned in the roller body; the magnetic field shielding device is mounted on the mandrel assembly and is positioned in the roller body; the heating device is arranged on the magnetic field shielding device and is positioned in the roller body; the slip ring device is connected with the mandrel assembly; the travel switch assembly is connected with the mandrel assembly; and the connecting mechanism is respectively connected with the mandrel assembly and the slip ring device.

Description

Technical Field

[0001] The utility model relates to the technical field of rollers, in particular to an electromagnetic heat-conducting roller with a built-in cooling tube. Background Art

[0002] Electromagnetic heating rollers are made based on the principle of electromagnetic induction heating metals. Compared with traditional thermal oil heating rollers and electric heating rollers, electromagnetic heating rollers have the advantages of high temperature, good temperature uniformity, easy maintenance, low energy consumption, and no pollution. Electromagnetic heating rollers can be used in the calendering and shaping of various sheets, surface calendering of textiles and foaming materials, hot pressing and laminating of films and various substrates, drying and stretching of special paper and other materials, and hot embossing of optical anti-counterfeiting laser materials. It has a good effect on improving product quality, reducing energy consumption, and improving the production environment.

[0003] The heat-conducting electromagnetic rollers currently on the market do not have the function of cooling and thus cannot achieve precise temperature control, which reduces their practicality and brings great inconvenience to daily use. Utility Model Content

[0004] In view of this, an embodiment of the utility model provides an electromagnetic heat-conducting roller with a built-in cooling tube, the main purpose of which is to achieve rapid cooling of the roller body.

[0005] In order to achieve the above purpose, the utility model mainly provides the following technical solutions:

[0006] The utility model provides an electromagnetic heat-conducting roller with a built-in cooling tube, comprising:

[0007] The roller body has several deep holes in its wall for introducing hot oil;

[0008] A spindle rotating device, comprising a spindle assembly installed in the middle of the roller body and two sets of bearing assemblies connected to the spindle assembly;

[0009] a cooling device mounted on the mandrel assembly and located within the roller body;

[0010] A magnetic field shielding device, which is mounted on the magnetic field shielding device and located inside the roller body;

[0011] A heating device, which is mounted on the magnetic field shielding device and located inside the roller body;

[0012] A slip ring device, which is connected to the mandrel assembly and is used to achieve precise transmission of current signals, data signals, images and power data between the roller body and the mandrel rotating device;

[0013] A travel switch assembly connected to the spindle assembly;

[0014] The connecting mechanism is respectively connected to the core shaft assembly and the slip ring device, and is used to guide the slip ring device so that the slip ring device rotates together with the roller body.

[0015] As mentioned above, one end of each of the plurality of deep holes is provided with a threaded hole, and the threaded hole is sealed by a sealing ring;

[0016] The sealing ring comprises a bolt threadedly connected to the threaded hole and a copper gasket installed on the bolt.

[0017] As mentioned above, the core shaft assembly includes a core shaft arranged in the middle of the roller body, a sleeve fixedly connected to the core shaft, a shaft holding block connected to the sleeve by a clamping connection, a fixed column connected to the shaft holding block, a liner welded and fixed to the core shaft, a core shaft seamless tube welded and fixed to the liner, a first shaft head fixedly connected to one end of the roller body, and a second shaft head fixedly connected to the other end of the roller body.

[0018] As mentioned above, the two sets of bearing assemblies each include a bearing seat, a first bearing connected to the bearing seat and the mandrel respectively, a second bearing connected to the mandrel, a sealing ring connected to the sleeve and arranged between the first bearing and the bearing seat, and a retaining spring installed on the mandrel and connected to the first bearing;

[0019] The first shaft head, the second shaft head and both ends of the core shaft are all machined with bearing seat installation positions, and the two bearing seats are respectively installed on the bearing seat installation positions at the first shaft head, the second shaft head and both ends of the core shaft.

[0020] As mentioned above, the cooling device is a cooling water pipe, and the cooling pipe is installed on the mandrel seamless pipe.

[0021] As mentioned above, the magnetic field shielding device is made of amorphous material, and the amorphous material is evenly distributed on the core shaft seamless tube.

[0022] As mentioned above, the heating device adopts a heating coil, and the heating coil is evenly wound on the magnetic field shielding device.

[0023] As mentioned above, the travel switch assembly includes a travel switch fixing plate connected to the shaft holding block and a travel switch connected to the travel switch fixing plate.

[0024] As mentioned above, the slip ring device adopts a slip ring, and the slip ring is fixedly connected to the shaft sleeve by bolts.

[0025] As mentioned above, the connection mechanism includes a connection plate fixedly connected to the second shaft head and a connection rod fixedly connected to the connection plate, and the connection rod is used to guide the slip ring device so that the slip ring device rotates together with the roller body.

[0026] By means of the above technical solution, the electromagnetic heat-conducting roller with built-in cooling tube of the utility model has at least the following advantages:

[0027] The electromagnetic heat-conducting roller with built-in cooling tube of the utility model has the function of cooling and lowering the temperature by arranging cooling tubes in the roller body, thereby realizing accurate control of the roller body temperature and rapid cooling of the roller body; and the utility model realizes uniform heat conduction of the roller body and simple installation and maintenance by evenly winding the coil on the magnetic field shielding device, the coil generates heat after power is turned on, and the temperature is transferred to the roller surface, thereby realizing uniform heat transfer of the roller body and simple installation and maintenance, making the heat transfer uniform, the heat transfer efficiency high, and facilitating the disassembly and maintenance of the coil.

[0028] 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

[0029] Figure 1 This is a front view of an electromagnetic heat-conducting roller with a built-in cooling tube of the utility model;

[0030] Figure 2 This is the external structure diagram of an electromagnetic heat-conducting roller with a built-in cooling tube of the utility model;

[0031] Figure 3 This is the internal structure diagram of an electromagnetic heat-conducting roller with a built-in cooling tube of the utility model; DETAILED DESCRIPTION

[0032] 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.

[0033] As shown Figures 1 to 3 As shown, an embodiment of the utility model provides an electromagnetic heat-conducting roller with a built-in cooling tube, which includes: a roller body 1, a core shaft rotating device 2, a cooling device 3, a magnetic field shielding device 4, a heating device 5, a slip ring device 6, a travel switch assembly 7 and a connecting mechanism 8.

[0034] like Figure 1 and Figure 2As shown, the material of the roller body 1 is alloy steel, which has good wear resistance, good corrosion resistance, and good heat resistance. After the roller body 1 is processed and formed, a plurality of deep holes 11 are processed in the roller wall, and a threaded hole is made at one end of each of the plurality of deep holes 11. Heat transfer oil is added through the threaded hole. After the heat transfer oil is added, the threaded hole is sealed with a sealing ring 12 to prevent the heat transfer oil from leaking. The function of the heat transfer oil is to distribute heat more effectively and make the temperature of the roller body more uniform. The sealing ring adopts a sealing method of a hexagon socket bolt and a copper gasket to prevent the hot oil added to the roller body from leaking.

[0035] like Figure 2 and Figure 3 As shown, the mandrel rotating device 2 comprises a mandrel assembly 21 installed in the middle of the roller body 1 and two sets of bearing assemblies 22 connected to the mandrel assembly 21. The mandrel assembly 21 comprises a mandrel 211 arranged in the middle of the roller body 1, a sleeve 212 fixedly connected to the mandrel 211, a shaft holding block 213 connected to the sleeve 212 by a clamping connection, a fixed column 214 connected to the shaft holding block 213, a liner 215 welded and fixed to the mandrel 211, a mandrel seamless pipe 216 welded and fixed to the liner 215, a first shaft head 217 fixedly connected to one end of the roller body 1, and a second shaft head 218 fixedly connected to the other end of the roller body 1. The two groups of bearing assemblies 22 each include a bearing seat 221, a first bearing 222 connected to the bearing seat 221 and the core shaft 211 respectively, a second bearing 223 connected to the core shaft 211, a sealing ring 224 connected to the sleeve 212 and arranged between the first bearing 222 and the bearing seat 221, and a retaining ring 225 installed on the core shaft 211 and connected to the first bearing 222; the first shaft head 217, the second shaft head 218 and both ends of the core shaft 211 are all machined with bearing seat 221 mounting positions, and the two bearing seats 221 are respectively installed on the bearing seat mounting positions at both ends of the first shaft head 217, the second shaft head 218 and the core shaft 211.

[0036] like Figure 2 and Figure 3As shown, the material of the mandrel 211 is SUS304 stainless steel. After processing and forming, the corresponding bearing seat installation position and the retaining ring position are machined and the outlet hole is machined. The material of the sleeve 212 is SUS304 stainless steel. After processing and forming, it is fixedly connected to the mandrel 211 by bolts. The material of the shaft holding block 213 is aluminum. After processing and forming, the purpose of clamping the sleeve is achieved by bolts. The material of the fixed column 214 is steel, which is fixedly connected to the shaft holding block 213 through its own thread. The material of the liner 215 is stainless steel, laser-formed, and fixedly welded to the mandrel 211 by welding. The material of the mandrel seamless tube 216 is steel. After processing and forming, it is fixedly welded to the liner 215 by welding. The material of the first shaft head 217 is seamless steel pipe. After processing and forming, the shaft head is tempered to prevent the shaft head from being easily deformed during use. The first shaft head 217 is fixedly connected to the roller body 1 by bolts and a bearing seat installation position is machined. The second shaft head 218 is made of seamless steel pipe. After being processed and formed, the shaft head is subjected to quenching and tempering treatment, so that the shaft head is not easily deformed when used. The second shaft head 218 is fixedly connected to the roller body 1 by bolts, and then a bearing seat installation position is machined. The material of the bearing seat 221 is steel. After being processed and formed, the two bearing seats 221 are respectively installed on the outer shaft ends of the first shaft head and the second shaft head, mainly for easy installation and maintenance. The sealing ring 224 is a lip-shaped sealing ring. The material of the lip-shaped sealing ring is rubber. The rubber can withstand high temperatures of more than 200 degrees, mainly to prevent dust from entering. The first bearing 222 adopts a high-temperature bearing. The first bearing needs to withstand high temperatures of more than 200 degrees. The second bearing 223 is a high-temperature bearing. The second bearing needs to withstand high temperatures of more than 200 degrees. The two second bearings are respectively installed on the inner sides of the first shaft head 217 and the second shaft head 218 to prevent the stainless steel mandrel from deforming and sagging at high temperatures. The retaining ring 225 is a hole retaining ring. The retaining ring is installed on the stainless steel mandrel 211. The function is to prevent the first bearing from running or shifting.

[0037] like Figure 3 As shown, the cooling device 3 is installed on the mandrel assembly 21 and is located in the roller body 1; specifically, the cooling device 3 is a cooling water pipe, and the cooling pipe is installed on the mandrel seamless pipe 216. The cooling water pipe is made of stainless steel and is bent. Both ends are fixed to the mandrel seamless pipe 216 by bolts, and the water is circulated through the water inlet and outlet to achieve a rapid cooling effect.

[0038] like Figure 3 As shown, the magnetic field shielding device 4 is installed on the core shaft assembly 21 and is located in the roller body 1. The magnetic field shielding device 4 is made of amorphous material, and the amorphous material is evenly distributed on the core shaft seamless tube 216. The main function of the amorphous material is to shield the magnetic field.

[0039] like Figure 3 As shown, the heating device 5 is installed on the magnetic field shielding device 4 and is located in the roller body 1. The heating device 5 uses a heating coil, which is evenly wound on the amorphous material. Its main function is to generate heat after power is turned on.

[0040] like Figure 3 As shown, the slip ring device 6 is connected to the mandrel assembly 21, and is used to realize the precise transmission of current signals, data signals, images and power data between the roller body 1 and the mandrel rotating device 2. The slip ring device 6 adopts a slip ring, and the slip ring is fixedly connected to the sleeve 212 by bolts. The function of the slip ring is mainly to realize the precise transmission of current, data signals or images and power between two relatively rotating mechanisms. It is often used in the field of 360° unlimited continuous rotation, and it is required to transmit electrical signals and data signals from a fixed position to a rotating position.

[0041] like Figure 3 As shown, the travel switch assembly 7 is connected to the spindle assembly 21 and is used for positioning control and position state detection. The travel switch assembly 7 includes a travel switch fixing plate 71 connected to the shaft holding block 213 and a travel switch 72 connected to the travel switch fixing plate 71. The travel switch fixing plate 71 is made of stainless steel and is fixedly connected to the shaft holding block 213 by bolts. The travel switch 72 is fixedly connected to the travel switch fixing plate 71 by bolts, and the purpose of the travel switch is positioning control and position state detection.

[0042] like Figure 3 As shown, the connecting mechanism 8 is connected to the mandrel assembly 21 and the slip ring device 6 respectively, and is used to guide the slip ring device 6 so that the slip ring device 6 rotates with the roller body. The connecting mechanism 8 includes a connecting piece 81 fixedly connected to the second shaft head 218, and a connecting rod 82 fixedly connected to the connecting piece 81. The connecting rod 82 is used to guide the slip ring device 6 so that the slip ring device 6 rotates with the roller body 1. Specifically, the connecting piece 81 is made of steel, and after being processed and formed, it is fixedly connected to the second shaft head 218 by bolts. The connecting rod 82 is made of steel, and after being processed and formed, it is fixedly connected to the connecting piece 81 through its own thread. The purpose of the connecting rod 82 is to guide the slip ring so that the slip ring rotates with the roller surface.

[0043] 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.

[0044] The electromagnetic heat-conducting roller with built-in cooling tube of the utility model has the function of cooling and lowering the temperature by arranging cooling tubes in the roller body, thereby realizing accurate control of the roller body temperature and rapid cooling of the roller body; and the utility model realizes uniform heat conduction of the roller body and simple installation and maintenance by evenly winding the coil on the magnetic field shielding device, the coil generates heat after power is turned on, and the temperature is transferred to the roller surface, thereby realizing uniform heat transfer of the roller body and simple installation and maintenance, making the heat transfer uniform, the heat transfer efficiency high, and facilitating the disassembly and maintenance of the coil.

[0045] 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. An electromagnetic heat-conducting roller with a built-in cooling tube, characterized in that: include: The roller body has several deep holes in its wall for introducing hot oil; A spindle rotating device, comprising a spindle assembly installed in the middle of the roller body and two sets of bearing assemblies connected to the spindle assembly; a cooling device mounted on the mandrel assembly and located within the roller body; A magnetic field shielding device, which is mounted on the cooling device 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 slip ring device, which is connected to the mandrel assembly and is used to achieve precise transmission of current signals, data signals, images and power data between the roller body and the mandrel rotating device; A travel switch assembly connected to the spindle assembly; The connecting mechanism is respectively connected to the core shaft assembly and the slip ring device, and is used to guide the slip ring device so that the slip ring device rotates together with the roller body.

2. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 1, characterized in that: One end of each of the plurality of deep holes is provided with a threaded hole, and the threaded hole is sealed by a sealing ring; The sealing ring comprises a bolt threadedly connected to the threaded hole and a copper gasket installed on the bolt.

3. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 1, characterized in that: The core shaft assembly includes a core shaft arranged in the middle of the roller body, a sleeve fixedly connected to the core shaft, a shaft holding block connected to the sleeve by a clamping connection, a fixed column connected to the shaft holding block, a liner welded and fixed to the core shaft, a core shaft seamless tube welded and fixed to the liner, a first shaft head fixedly connected to one end of the roller body, and a second shaft head fixedly connected to the other end of the roller body.

4. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 3, characterized in that: The two sets of bearing assemblies each include a bearing seat, a first bearing connected to the bearing seat and the mandrel respectively, a second bearing connected to the mandrel, a sealing ring connected to the sleeve and arranged between the first bearing and the bearing seat, and a retaining spring installed on the mandrel and connected to the first bearing; The first shaft head, the second shaft head and both ends of the core shaft are machined with bearing seat installation positions, and two bearing seats are respectively installed on the bearing seat installation positions at both ends of the first shaft head, the second shaft head and the core shaft.

5. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 3, characterized in that: The cooling device is a cooling water pipe, and the cooling pipe is installed on the mandrel seamless pipe.

6. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 3, characterized in that: The magnetic field shielding device is made of amorphous material, and the amorphous material is evenly distributed on the core shaft seamless tube.

7. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 1, characterized in that: The heating device adopts a heating coil, and the heating coil is evenly wound on the magnetic field shielding device.

8. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 3, characterized in that: The travel switch assembly includes a travel switch fixing plate connected to the shaft holding block and a travel switch connected to the travel switch fixing plate.

9. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 3, characterized in that: The slip ring device adopts a slip ring, and the slip ring is fixedly connected to the shaft sleeve by means of bolts.

10. The electromagnetic heat-conducting roller with built-in cooling tube according to claim 3, characterized in that: The connecting mechanism comprises a connecting plate fixedly connected to the second shaft head and a connecting rod fixedly connected to the connecting plate, wherein the connecting rod is used to guide the slip ring device so that the slip ring device rotates together with the roller body.

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