CN114379096A - Electric heating laminating wheel - Google Patents

Abstract

The invention discloses an electric heating laminating wheel which comprises a wheel body, wherein a heat conducting cavity is formed in the wheel body, the heat conducting cavity is close to the peripheral surface of the wheel body, a heating assembly for heating the peripheral surface of the wheel body is arranged in the heat conducting cavity, the heating assembly at least comprises an electric heating element arranged in the heat conducting cavity, the heating of the peripheral surface of the wheel body is realized through the electric heating element arranged in the heat conducting cavity, the structure is simple, the heat conducting performance is good, and a main bearing for driving the wheel body to rotate is not damaged. Preferably, the wheel body is composed of hollow inner and outer cylinders, which is beneficial to reducing the weight of the whole wheel body and reducing the driving power. Preferably, the heat conduction cavity is filled with a heat conduction energy storage piece, and the heat conduction energy storage piece is quartz sand, so that the heat conduction and energy storage effects of the heat conduction cavity are improved.

Description

Electric heating lamination wheel

【Technical field】

The present application relates to lamination wheels, and in particular to electrically heated lamination wheels.

【Background technique】

The existing laminating wheel is a solid metal wheel, on which is connected a bearing assembly which is connected with the power mechanism, and is used for hot pressing and laminating the multi-layer film. There are two types of surface heating structures of the existing laminating wheels. First, the preheated heat-conducting oil is introduced into the main bearing, and the surface of the lamination wheel is heated through the thermal conductivity of the metal. This heating-up structure is simple in process, easy to manufacture, and low in cost, but the energy storage effect is poor, resulting in the product made. Poor surface quality, low lamination efficiency and poor lamination fastness. Second, the preheated heat-conducting oil is introduced into the main bearing, and the heat-conducting oil is guided from the main bearing to the multiple guide holes on the peripheral side of the lamination wheel, so that the surface of the lamination wheel can be heated up. This heating structure is not easy to dissipate heat. , The energy storage effect is good, the product quality is good, the production efficiency is high, and the bonding fastness is high, but the process is difficult, the weight is large, the cost is high, and the driving power is large. The above two heating structures both feed preheated heat-conducting oil to the main bearing, resulting in a short service life of the main bearing and a large energy loss.

[Content of the invention]

The purpose of the present application is to provide an electric heating bonding wheel, which realizes the heating of the outer peripheral surface of the wheel body through the electric heating element arranged in the heat conduction cavity, has a simple structure, good heat conduction performance, and does not damage the main bearing that drives the wheel body to rotate.

This application is achieved through the following technical solutions:

The electric heating lamination wheel includes a wheel body, a heat conduction cavity is opened in the wheel body, the heat conduction cavity is adjacent to the outer peripheral surface of the wheel body, and a heating component for heating the outer peripheral surface of the wheel is arranged in the heat conduction cavity , the heating component at least includes an electric heating element arranged in the heat-conducting cavity.

In the above-mentioned electric heating laminating wheel, the heating component further includes a seamless heat-conducting pipe arranged in the heat-conducting cavity, and a seamless cavity independent of the heat-conducting cavity is opened in the seamless heat-conducting pipe, so The electric heating element is arranged in the seamless cavity.

In the above-mentioned electric heating laminating wheel, the seamless cavity is provided with heat-conducting oil filled between the electric heating element and the cavity wall of the seamless cavity.

In the above-mentioned electric heating laminating wheel, the heat conduction cavity extends from one axial side of the wheel body to the other axial side of the wheel body, and extends around the circumference of the wheel body, and the There are several heat-generating components, and a number of the heat-generating components are distributed at intervals on the peripheral side of the wheel body.

In the above-mentioned electric heating laminating wheel, one end of each seamless heat pipe is connected to one axial side of the wheel body, and the other end is connected to the other axial side of the wheel body.

In the above-mentioned electric heating laminating wheel, the heat-conducting cavity is provided with a heat-conducting energy storage member filled between the heating component and the wall of the heat-conducting cavity, and the heat-conducting energy storage member is an insulating heat-conducting energy-storage material .

In the above-mentioned electric heating bonding wheel, the heat-conducting energy storage member is quartz sand.

In the above-mentioned electric heating bonding wheel, a support rib for supporting the heating element is provided in the heat conduction cavity, and a positioning through hole for the heating element to be inserted is opened on the support rib.

In the above-mentioned electric heating laminating wheel, the support rib abuts against the inner wall of the heat conduction cavity in the short side direction of the heat conduction cavity, and the positioning through hole is located in the middle of the support rib.

The above-mentioned electric heating laminating wheel, the wheel body includes a hollow outer cylinder and a hollow inner cylinder forming the heat conduction cavity with the outer cylinder, and the inner peripheral surface of the inner cylinder is spaced in the axial direction. The protrusions are provided with a number of reinforcing ribs.

Compared with the prior art, the present invention has the following advantages:

1. The present invention realizes the heating of the outer peripheral surface of the wheel body through the electric heating element arranged in the heat conduction cavity, and has a simple structure, good heat conduction performance, and does not damage the main bearing that drives the wheel body to rotate.

2. Preferably, the wheel body is composed of hollow inner and outer cylinders, which is beneficial to the reduction of the overall weight of the wheel body and the reduction of the driving power.

3. Preferably, the heat-conducting cavity is filled with a heat-conducting energy storage member, and the heat-conducting energy storage member is quartz sand, which is beneficial to improve the heat conduction and energy storage effects of the heat-conducting cavity.

【Description of drawings】

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments.

FIG. 1 is a schematic structural diagram 1 of an embodiment of an electrically heated laminating wheel of the present application;

Fig. 2 is the partial enlarged view of A place in Fig. 1;

FIG. 3 is a schematic structural diagram 2 of an embodiment of an electrically heated laminating wheel of the present application.

【Detailed ways】

In order to make the technical problems, technical solutions and beneficial effects solved by the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

Example: As shown in Figures 1-3, it includes a wheel body 1, a heat conduction cavity 11 is opened in the wheel body 1, the heat conduction cavity 11 is adjacent to the outer peripheral surface of the wheel body 1, and the heat conduction cavity 11 There is a heating element 3 for heating the outer peripheral surface of the wheel body 1 . The heating element 3 extends along the longitudinal direction of the heat-conducting cavity 11 . element 31. Specifically, the electric heating element 31 is an electric heating rod, and the wheel body 1 is made of metal. This solution realizes the temperature rise of the outer peripheral surface of the wheel body 1 through the electric heating element, and has the advantages of simple structure, good thermal conductivity, good product quality and high firmness. Non-interference is beneficial to the improvement of the service life of the main bearing.

Further, in order to reduce the weight of the wheel body 1 to reduce the driving power of the equipment, the wheel body 1 includes a hollow outer cylinder 13 and a hollow inner cylinder 14 forming the heat conduction cavity 11 with the outer cylinder 13 .

Further, in order to increase the heating rate of the outer peripheral surface of the wheel body 1, the heat conduction cavity 11 extends from one axial side of the wheel body 1 to the other axial side of the wheel body 1, and surrounds the The wheel body 1 extends in the circumferential direction, and there are several heating components 3 , and the heating components 3 are distributed at intervals in the circumferential direction of the wheel body 1 .

Further, in order to improve the heat conduction and energy storage effect of the heat conduction cavity 11, the heat conduction energy storage member 4 filled between the heating component 3 and the cavity wall of the heat conduction cavity 11 is arranged in the heat conduction cavity 11, so The thermally conductive energy storage member 4 is an insulating thermally conductive energy storage material. Preferably, the heat-conducting energy storage member 4 is quartz sand, which is an insulating and heat-conducting material, and has a good energy storage effect.

Further, in order to improve the service life of the electric heating element 31 and avoid damage, the heating element 3 further includes a seamless heat-conducting pipe 32 arranged in the heat-conducting cavity 11 . In a seamless cavity (not shown in the figure) independent of the heat conduction cavity 11 , the electric heating element 31 is arranged in the seamless cavity.

Further, in order to maximize the length of the electric heating element 31 and increase the heating rate of the outer peripheral surface of the wheel body 1, the electric heating element 31 extends along the longitudinal direction of the seamless heat pipe 32, and It is the same length as the seamless heat pipe 32 .

Further, in order to improve the thermal conductivity, the seamless cavity is provided with heat-conducting oil filled between the electric heating element 31 and the cavity wall of the seamless cavity.

Further, in order to improve the stability of the connection between the heating element 3 and the wheel body 1, the heat conduction cavity 11 is provided with a support rib 12 for supporting the heating element 3, and the support rib 12 is provided with There are several positioning through holes into which the heating components 3 are inserted, and there are several supporting ribs 12 , and each of the heating components 3 is respectively inserted into each of the positioning through holes in a one-to-one correspondence.

Further, in order to improve the deformation resistance of the support rib 12, the support rib 12 abuts against the inner wall of the heat conduction cavity 11 in the short side direction of the heat conduction cavity 11, and the positioning through hole is located in the support The middle position of the rib 12.

Further, in order to improve the deformation resistance of the wheel body 1 , a plurality of reinforcing ribs 16 are protruded and spaced on the inner peripheral surface of the inner cylinder 14 in the axial direction thereof.

Further, in order to make the structure more compact, the two end surfaces of the inner cylinder 14 are spaced apart from the two end surfaces of the outer cylinder 13 respectively, and the heat conduction cavity 11 extends from the axial side of the outer cylinder 13 to the outer cylinder 13 . On the other axial side of the outer cylinder 13, the axial end faces of the inner and outer cylinders are provided with assembly through holes (not shown in the figure) for inserting the main bearing.

It should be understood that the terms "first", "second", etc. are used in this application to describe various pieces of information, but these pieces of information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information without departing from the scope of the present application. In addition, the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the drawings The orientation or positional relationship shown is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a reference to the application. limits.

The above is one or more embodiments provided in conjunction with specific content, and it is not construed that the specific implementation of the present application is limited to these descriptions. Any method, structure, etc. that are similar to or similar to those of the present application, or some technical deductions or substitutions are made on the premise of the concept of the present application, shall be regarded as the protection scope of the present application.

Claims (10)

1. An electric heating bonding wheel, comprising a wheel body (1), characterized in that a heat conduction cavity (11) is opened in the wheel body (1), and the heat conduction cavity (11) is adjacent to the wheel body (1) The outer peripheral surface of the heat-conducting cavity (11) is provided with a heating element (3) for heating the outer peripheral surface of the wheel body (1), and the heating element (3) at least includes The electric heating element (31) inside. 2 . The electric heating laminating wheel according to claim 1 , wherein the heating component ( 3 ) further comprises a seamless heat conducting pipe ( 32 ) arranged in the heat conducting cavity ( 11 ), A seamless cavity independent of the heat conduction cavity (11) is opened in the slotted heat conduction pipe (32), and the electric heating element (31) is arranged in the seamless cavity. 3 . The electric heating laminating wheel according to claim 2 , wherein the seamless cavity is provided with heat-conducting oil filled between the electric heating element ( 31 ) and the cavity wall of the seamless cavity. 4 . . 4 . The electrically heated laminating wheel according to claim 2 , wherein the heat conduction cavity ( 11 ) extends from the axial side of the wheel body ( 1 ) to the shaft of the wheel body ( 1 ). 5 . To the other side and extending around the circumference of the wheel body (1), there are several heating components (3), and a plurality of the heating components (3) are on the circumference of the wheel body (1). interval distribution. 5. The electric heating laminating wheel according to claim 4, characterized in that, one end of each seamless heat transfer pipe (32) is connected to one axial side of the wheel body (1), and the other end is connected to On the other side of the axial direction of the wheel body (1). 6. The electric heating laminating wheel according to any one of claims 1-5, characterized in that the heat-conducting cavity (11) is provided with the heat-generating component (3) and the heat-conducting cavity (11) filled in the heat-generating component (3) and the heat-conducting cavity (11). A thermally conductive energy storage member (4) between the cavity walls, the thermally conductive energy storage member (4) is an insulating thermally conductive energy storage material. 7. The electric heating bonding wheel according to claim 6, characterized in that, the heat-conducting energy storage member (4) is quartz sand. 8 . The electric heating laminating wheel according to claim 1 , wherein a support rib ( 12 ) for supporting the heating component ( 3 ) is provided in the heat conduction cavity ( 11 ), and the support rib ( 12) A positioning through hole into which the heating component (3) is inserted is opened. 9 . The electric heating laminating wheel according to claim 8 , wherein the support ribs ( 12 ) abut against the inner wall of the heat conduction cavity ( 11 ) in the direction of the short side of the heat conduction cavity ( 11 ). 10 . The positioning through hole is located in the middle position of the support rib (12). 10. The electric heating laminating wheel according to claim 1, wherein the wheel body (1) comprises a hollow outer cylinder (13) and forms the heat conduction cavity (11) with the outer cylinder (13). ) of the hollow inner cylinder (14); The inner peripheral surface of the inner cylinder (14) is provided with a plurality of reinforcing ribs (16) protruding at intervals in the axial direction thereof.

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