Cooling device of high-frequency heating roller

Abstract

The utility model is suitable for the technical field of heating rollers, and provides a cooling device of a high-frequency heating roller. The cooling structures are arranged in the middle of the heating roller body in a circumferential array manner; and the cooling structure comprises first temporary storage grooves, first sealing sliding plates, second sealing sliding plates and a cooling water groove, the first temporary storage grooves are symmetrically formed in the left side and the right side of the heating roller body, and the first sealing sliding plates are installed on the surface of the first temporary storage groove on the left side in a sliding mode. Compared with the prior art, the heating roller has the beneficial effects that when the heating roller is used, the cooling structure is arranged in the middle of the heating roller body, so that the aim of synchronously radiating and cooling the inside and the outside is fulfilled, and when the heating roller body rotates, cooling liquid at the high part of the cooling water tank flows to the cooling water tank at the bottom through the communicating groove, so that the cooling effect is improved. Therefore, spiral flow is formed, the purpose of spiral cooling is achieved, and the cooling effect is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of heating rollers, in particular to a cooling device for a high-frequency heating roller. Background Art

[0002] The high frequency heating roller is a heating device that uses high frequency induction.

[0003] Patent No. CN212463559U discloses an electromagnetic heating roller, including a roller, the interior of the roller is a hollow structure, flange covers are respectively arranged at both ends of the roller, a shaft head is arranged on the flange cover, a collector ring is arranged on the shaft head, a coil drum is installed inside the roller, a plurality of electromagnetic heating coils are wound on the surface of the coil drum, magnetic isolation layers are respectively arranged at the left and right ends of the coil drum, a heat insulation layer is arranged on the outside of the magnetic isolation layer, and a bearing is arranged on the inside of the flange cover. The utility model has a simple structure, and by arranging the magnetic isolation layer and the heat insulation layer, magnetic shielding and heat insulation can be formed for the left and right ends of the coil drum, the flange cover and the bearing, which greatly reduces the eddy current heating induced by the shaft neck head, and improves the working reliability and service life of the electromagnetic heating roller.

[0004] Although the above structure greatly reduces the eddy current heating induced by the shaft neck head and improves the working reliability and service life of the electromagnetic heating roller, due to the lack of cooling measures, the temperature inside the roller body is generally 50-100°C higher than the temperature of the roller surface, which causes the electrical components inside the roller body to be damaged due to long-term operation at high temperature, resulting in a significant drop in the working current, thereby greatly reducing the heating power.

[0005] Therefore, how to provide a cooling device for a high-frequency heating roller is a problem that those skilled in the art need to solve urgently. Utility Model Content

[0006] The utility model aims to provide a cooling device for a high-frequency heating roller, aiming to solve the problems mentioned in the background technology.

[0007] The utility model is implemented as follows: a cooling device for a high-frequency heating roller comprises:

[0008] Heating roller body;

[0009] A cooling structure, wherein the cooling structure is arranged in a circumferential array in the middle of the heating roller body;

[0010] The cooling structure includes a first temporary storage groove, a first sealing slide plate, a second sealing slide plate and a cooling water groove. The first temporary storage groove is symmetrically arranged on the left and right sides of the heating roller body. The first sealing slide plate is slidably installed on the surface of the first temporary storage groove on the left side, and the second sealing slide plate is slidably installed on the surface of the first temporary storage groove on the right side. A water pipe is fixedly installed on the top of the outer side of the first sealing slide plate, and a drainage pipe is fixedly installed on the bottom of the second sealing slide plate. The circumferential array of cooling water grooves is arranged in the middle of the heating roller body and is connected with the first temporary storage groove. The surface array of the cooling water grooves is provided with connecting grooves so that the cooling water grooves at different positions are connected.

[0011] Preferably, a first placement groove is opened at the center of the heating roller body, and pulleys are symmetrically installed on the left and right sides of the heating roller body. A rotating joint is arranged inside the pulley on the right side, and an electromagnetic heating tube is movably inserted inside the rotating joint and extends to the inside of the first placement groove. A heat-conducting structure is arranged in an array on the heating roller body and is staggered with the cooling structure.

[0012] Preferably, the heat-conducting structure includes a heat-conducting groove, a second placement groove, a first heat-conducting ring, a heat-conducting plate and a second heat-conducting ring. The heat-conducting groove circular array is opened on the surface of the heating roller body and is staggered with the cooling structure. The second placement groove is opened on the inner side of the surface of the heating roller body. The first heat-conducting ring array is arranged inside the first placement groove. The second heat-conducting ring is movably placed inside the second placement groove. The heat-conducting plate is movably placed inside the heat-conducting groove and is fixedly connected to the second heat-conducting ring and the first heat-conducting ring.

[0013] Preferably, the cooling water trough is in an S-shape as a whole, and the connecting groove array is opened on the surface of the high end of the cooling water trough.

[0014] Preferably, the length of the first placement groove is greater than the length of the electromagnetic heating tube, and the diameter of the electromagnetic heating tube is smaller than the diameter of the first placement groove.

[0015] Preferably, the pulley on the right side is configured as a hollow structure, and the rotary joint is movably installed inside the pulley.

[0016] Preferably, the high end of the heat-conducting groove is connected to the second placement groove, and the bottom end of the heat-conducting groove is connected to the heat-conducting groove.

[0017] Compared with the prior art, the utility model has the following beneficial effects: when in use, by arranging a cooling structure in the middle of the heating roller body, the purpose of synchronous heat dissipation and cooling of the inside and outside is achieved, and when the heating roller body rotates, the coolant at the high end of the cooling water tank will flow through the connecting groove to the cooling water tank at the bottom, thereby forming a spiral flow, achieving the purpose of spiral cooling, and further improving the cooling effect.

[0018] At the same time, by arranging an electromagnetic heating tube at the center of the heating roller body, and by arranging a heat-conducting structure in the heating roller body, and staggering the cooling structure, the mutual connection and the occurrence of malfunctions are reduced. Due to the setting of the heat-conducting structure, the heat generated inside will be quickly transferred to the surface of the heating roller body, and the temperature will rise rapidly and synchronously, thereby reducing the temperature difference between the inside and the outside, and facilitating subsequent rapid cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 A schematic diagram of the overall left-side appearance structure of a cooling device for a high-frequency heating roller provided in an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the overall right side appearance structure of a cooling device for a high-frequency heating roller provided by an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of a front cross-sectional structure of a cooling device for a high-frequency heating roller provided in an embodiment of the utility model;

[0023] Figure 4 A right side cross-sectional structural schematic diagram of a cooling device for a high-frequency heating roller provided in an embodiment of the utility model;

[0024] Figure 5 The present invention is a schematic diagram of a left side cross-sectional structure of a cooling device for a high-frequency heating roller provided in an embodiment of the present invention.

[0025] In the figure: 1-heating roller body, 2-pulley, 3-first temporary storage groove, 4-first sealing slide plate, 5-second sealing slide plate, 6-water pipe, 7-drain pipe, 8-rotating joint, 9-electromagnetic heating tube, 10-cooling water groove, 11-connecting groove, 12-first placement groove, 13-heat conduction groove, 14-second placement groove, 15-first heat conduction ring, 16-heat conduction plate, 17-second heat conduction ring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 FIG. 1 is a schematic diagram of a cooling device for a high-frequency heating roller provided by an embodiment of the utility model, comprising:

[0029] Heating roller body 1;

[0030] A cooling structure, wherein a circumferential array of cooling structures is arranged in the middle of the heating roller body 1;

[0031] The cooling structure includes a first temporary storage groove 3, a first sealing slide plate 4, a second sealing slide plate 5 and a cooling water groove 10. The first temporary storage groove 3 is symmetrically arranged on the left and right sides of the heating roller body 1. The first sealing slide plate 4 is slidably installed on the surface of the first temporary storage groove 3 on the left side, and the second sealing slide plate 5 is slidably installed on the surface of the first temporary storage groove 3 on the right side. A water pipe 6 is fixedly installed on the top of the outer side of the first sealing slide plate 4, and a drainage pipe 7 is fixedly installed on the bottom of the second sealing slide plate 5. The cooling water groove 10 is arranged in a circumferential array in the middle of the heating roller body 1 and is connected with the first temporary storage groove 3. The surface array of the cooling water groove 10 is provided with a connecting groove 11, so that the cooling water grooves 10 at different positions are connected.

[0032] In the embodiment of the utility model, when in use, the coolant is discharged to the first temporary storage tank 3 sealed by the first sealing slide plate 4 on the left side through the water delivery pipe 6, then enters the cooling water tank 10, and then flows to the first temporary storage tank 3 sealed by the second sealing slide plate 5 on the right side, and finally discharged from the drain pipe 7 at the bottom;

[0033] By setting up the cooling structure, the purpose of synchronous heat dissipation and cooling of the inside and outside is achieved, and when the heating roller body 1 rotates, the coolant at the upper part of the cooling water tank 10 will flow to the cooling water tank 10 at the bottom through the connecting groove 11, thereby forming a spiral flow, thereby achieving the purpose of spiral cooling, and the cooling effect is further improved.

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the utility model, a first placement groove 12 is opened at the center of the heating roller body 1, and pulleys 2 are symmetrically installed on the left and right sides of the heating roller body 1. A rotating joint 8 is arranged inside the right pulley 2, and an electromagnetic heating tube 9 is movably inserted inside the rotating joint 8 and extends to the inside of the first placement groove 12. A heat-conducting structure is arranged in an array on the heating roller body 1, and is staggered with the cooling structure.

[0035] In the embodiment of the utility model, when in use, the electromagnetic heating tube 9 is started, so that the temperature inside the first placement groove 12 rises, and then is quickly transferred to the surface of the heating roller body 1 through the heat conduction structure, thereby achieving the purpose of rapid temperature rise;

[0036] By arranging the electromagnetic heating tube 9 at the center of the heating roller body 1 and arranging the heat-conducting structure in the heating roller body 1 and staggering the heat-conducting structure with the cooling structure, the occurrence of malfunction due to mutual connection is reduced.

[0037] like Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the utility model, the heat-conducting structure includes a heat-conducting groove 13, a second placement groove 14, a first heat-conducting ring 15, a heat-conducting plate 16 and a second heat-conducting ring 17. The heat-conducting groove 13 is arranged in a circular array on the surface of the heating roller body 1 and is staggered with the cooling structure. The second placement groove 14 is arranged on the inner side of the surface of the heating roller body 1. The first heat-conducting ring 15 is arranged in an array inside the first placement groove 12. The second heat-conducting ring 17 is movably placed inside the second placement groove 14. The heat-conducting plate 16 is movably placed inside the heat-conducting groove 13 and is fixedly connected to the second heat-conducting ring 17 and the first heat-conducting ring 15.

[0038] In the embodiment of the utility model, when the temperature in the first placement groove 12 rises, the first heat-conducting ring 15 is heated, and then the heat is transferred to the second heat-conducting ring 17 on the inner side of the surface of the heating roller body 1 through the heat-conducting plate 16, so that the temperature of the surface of the heating roller body 1 rises rapidly, thereby achieving the purpose of rapid temperature rise;

[0039] By providing the first heat-conducting ring 15, the heat-conducting plate 16 and the second heat-conducting ring 17, the heat generated inside can be quickly transferred to the surface of the heating roller body 1, and the temperature can be quickly and synchronously increased, thereby reducing the temperature difference between the inside and the outside, thereby facilitating subsequent rapid cooling.

[0040] like Figure 3 and Figure 5 As shown in FIG. 1 , as a preferred embodiment of the present utility model, the cooling water trough 10 is in an S-shape as a whole, and an array of connecting grooves 11 is opened on the surface of the high end of the cooling water trough 10 .

[0041] In the embodiment of the utility model, when in use, the cooling water trough 10 is formed into an S shape as a whole, thereby extending its residence time and contact area, and an array of connecting grooves 11 is opened on the surface of the high end of the cooling water trough 10, so that the cooling water troughs 10 at different positions are connected, thereby facilitating the discharge and cooling of the internal coolant.

[0042] like Figure 3As shown, as a preferred embodiment of the utility model, the length of the first placement groove 12 is greater than the length of the electromagnetic heating tube 9 , and the diameter of the electromagnetic heating tube 9 is smaller than the diameter of the first placement groove 12 .

[0043] In the embodiment of the utility model, when in use, by making the length value of the first placement groove 12 greater than the length value of the electromagnetic heating tube 9, and the diameter value of the electromagnetic heating tube 9 smaller than the diameter value of the first placement groove 12, it is convenient for the electromagnetic heating tube 9 to be inserted and placed in the first placement groove 12.

[0044] like Figure 2 and Figure 3 As shown, as a preferred embodiment of the utility model, the right pulley 2 is configured as a hollow structure, and the rotary joint 8 is movably installed inside the pulley 2.

[0045] In the embodiment of the utility model, when in use, the right pulley 2 is set as a hollow structure, and the rotary joint 8 is movably installed inside the pulley 2, thereby preventing the internal structure of the rotary joint 8 from rotating with the rotation of the right pulley 2.

[0046] like Figure 3 and Figure 4 As shown, as a preferred embodiment of the present utility model, the high end of the heat conducting groove 13 is connected to the second placement groove 14, and the bottom end of the heat conducting groove 13 is connected to the heat conducting groove 13.

[0047] In the embodiment of the utility model, when in use, by connecting the high end of the heat-conducting groove 13 with the second placement groove 14, and then connecting the bottom end of the heat-conducting groove 13 with the heat-conducting groove 13, the connection between the first heat-conducting ring 15, the heat-conducting plate 16 and the second heat-conducting ring 17 is facilitated, thereby facilitating the transfer of heat.

[0048] The above embodiment of the utility model provides a cooling device for a high-frequency heating roller. When in use, the electromagnetic heating tube 9 is started to increase the temperature in the first placement groove 12, and then the first heat-conducting ring 15 is heated, and then the heat is transferred to the second heat-conducting ring 17 on the inner side of the surface of the heating roller body 1 through the heat-conducting plate 16, so that the temperature of the surface of the heating roller body 1 is rapidly increased, thereby achieving the purpose of rapid temperature increase. In addition, due to the presence of the first heat-conducting ring 15, the heat-conducting plate 16 and the second heat-conducting ring 17, the heat generated inside is rapidly transferred to the surface of the heating roller body 1, and the temperature is rapidly and synchronously increased, thereby reducing the temperature difference between the inside and the outside, and facilitating the subsequent rapid cooling.

[0049] When cooling is performed, the coolant is discharged to the first temporary storage tank 3 sealed by the first sealing plate 4 on the left side through the water pipe 6, then enters the cooling water tank 10, and then flows to the first temporary storage tank 3 sealed by the second sealing plate 5 on the right side, and finally discharged from the drain pipe 7 at the bottom, thereby achieving the purpose of synchronous heat dissipation and cooling inside and outside, and when the heating roller body 1 rotates, the coolant at the high end of the cooling water tank 10 will flow to the cooling water tank 10 at the bottom through the connecting groove 11, thereby forming a spiral flow, thereby achieving the purpose of spiral cooling, and the cooling effect is further improved.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling device for a high frequency heating roller, characterized in that: include; Heating roller body (1); A cooling structure, wherein the cooling structure is arranged in a circumferential array in the middle of the heating roller body (1); The cooling structure comprises a first temporary storage groove (3), a first sealing plate (4), a second sealing plate (5) and a cooling water groove (10); the first temporary storage groove (3) is symmetrically arranged on the left and right sides of the heating roller body (1); the first sealing plate (4) is slidably mounted on the surface of the first temporary storage groove (3) on the left side; the second sealing plate (5) is slidably mounted on the surface of the first temporary storage groove (3) on the right side; a water pipe (6) is fixedly mounted on the top of the outer side of the first sealing plate (4); a drainage pipe (7) is fixedly mounted on the bottom of the second sealing plate (5); a circumferential array of the cooling water grooves (10) is arranged in the middle of the heating roller body (1) and is connected to the first temporary storage groove (3); a connecting groove (11) is arranged on the surface array of the cooling water grooves (10) so that the cooling water grooves (10) at different positions are connected.

2. A cooling device for a high frequency heating roller according to claim 1, characterized in that: A first placement groove (12) is provided at the center of the heating roller body (1), and pulleys (2) are symmetrically installed on the left and right sides of the heating roller body (1). A rotating joint (8) is provided inside the right pulley (2), and an electromagnetic heating tube (9) is movably inserted inside the rotating joint (8) and extends to the inside of the first placement groove (12). A heat-conducting structure is arranged in an array on the heating roller body (1) and is staggered with the cooling structure.

3. A cooling device for a high frequency heating roller according to claim 2, characterized in that: The heat-conducting structure comprises a heat-conducting groove (13), a second placement groove (14), a first heat-conducting ring (15), a heat-conducting plate (16) and a second heat-conducting ring (17); the heat-conducting groove (13) is arranged in a circumferential array on the surface of the heating roller body (1) and is arranged offset from the cooling structure; the second placement groove (14) is arranged on the inner side of the surface of the heating roller body (1); the first heat-conducting ring (15) is arranged in an array inside the first placement groove (12); the second heat-conducting ring (17) is movably placed inside the second placement groove (14); the heat-conducting plate (16) is movably placed inside the heat-conducting groove (13) and is fixedly connected to the second heat-conducting ring (17) and the first heat-conducting ring (15).

4. A cooling device for a high frequency heating roller according to claim 1, characterized in that: The cooling water trough (10) is in an S-shape as a whole, and the connecting grooves (11) are arranged in an array on the surface of the upper end of the cooling water trough (10).

5. A cooling device for a high frequency heating roller according to claim 2, characterized in that: The length of the first placement groove (12) is greater than the length of the electromagnetic heating tube (9), and the diameter of the electromagnetic heating tube (9) is smaller than the diameter of the first placement groove (12).

6. A cooling device for a high frequency heating roller according to claim 2, characterized in that: The pulley (2) on the right side is configured as a hollow structure, and the rotary joint (8) is movably mounted inside the pulley (2).

7. A cooling device for a high frequency heating roller according to claim 3, characterized in that: The upper end of the heat-conducting groove (13) is connected to the second placement groove (14), and the lower end of the heat-conducting groove (13) is connected to the heat-conducting groove (13).

Images