Heating device for improving adhesive force of TPU release film

Abstract

The utility model relates to a heating device for improving adhesive force of a TPU (thermoplastic polyurethane) release film. The heating device comprises a water inlet and return temperature control system, an electric heating roller assembly and a driving control system, the electric heating roller assembly comprises a first heating roller and a second heating roller which are arranged up and down, and coil pipes are arranged in the first heating roller and the second heating roller; one end of the first heating roller and one end of the second heating roller are both connected with a driving control system, and a coil pipe of the first heating roller and a coil pipe of the second heating roller are both connected with a water inlet and return temperature control system; the water inlet and return temperature control system comprises a constant-temperature water tank, a water inlet pipe and a water return pipe. Circulating hot water continuously exchanges heat with the first heating roller and the second heating roller, so that the heating efficiency of the TPU release film by the first heating roller and the second heating roller is ensured, the laminating effect is improved, the success rate of transferring a gelatinous layer is increased, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to a heating device, in particular to a heating device used for improving the adhesion of a TPU release film. Background Art

[0002] During the production process of TPU film, functional glue needs to be coated on the surface. The specific process is: the release film first takes out the glue, is heated in an oven, and then comes out of the oven to be compounded with the TPU release film to complete the lamination transfer of the repair glue. In order to ensure the compounding effect and reduce the peeling rate, the TPU release film needs to be heated before lamination. Therefore, a heating device for improving the adhesion of the TPU release film is urgently needed. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the utility model proposes a heating device for improving the adhesion of a TPU release film.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a heating device for improving the adhesion of TPU release film, including an inlet and return water temperature control system, an electric heating roller assembly and a drive control system;

[0005] The electric heating roller assembly comprises a first heating roller and a second heating roller arranged up and down, and the first heating roller and the second heating roller are both provided with coils; one end of the first heating roller and one end of the second heating roller are both connected to a drive control system, and the coils of the first heating roller and the second heating roller are both connected to a return water temperature control system;

[0006] The inlet and return water temperature control system comprises a constant temperature water tank, an inlet pipe and a return pipe, wherein the constant temperature water tank is connected to one end of the inlet pipe and one end of the return pipe respectively, and the other end of the inlet pipe is connected to an inlet water manifold body, and both ends of the inlet water manifold body are connected to the coils of the first heating roller and the second heating roller respectively through a first high-speed rotary joint;

[0007] The other end of the water return pipe is connected to the water return branch body, and both ends of the water return branch body are respectively connected to the coil of the first heating roller and the coil of the second heating roller through a second high-speed rotary joint.

[0008] In a preferred embodiment of the utility model, it also includes a water pump, which is connected to a constant temperature water tank and a water inlet pipe through a water pipe, and a first ball valve is provided on the water pipe between the water pump and the constant temperature water tank; a second ball valve is provided on one end of the return pipe close to the constant temperature water tank; a third ball valve and a fourth ball valve are respectively provided on the water inlet branch body; and a fifth ball valve and a sixth ball valve are respectively provided on the return water branch body.

[0009] In a preferred embodiment of the present invention, the first heating roller and the second heating roller are both mirror chrome-plated heating rollers;

[0010] A first aluminum roller is spaced apart at the top of the first heating roller, and a second aluminum roller is spaced apart at the bottom of the second heating roller.

[0011] In a preferred embodiment of the utility model, the drive control system includes a reduction motor, a first synchronous pulley, a second synchronous pulley and a motor synchronous pulley, the reduction motor is connected to the motor synchronous pulley, the first synchronous pulley and the second synchronous pulley are respectively located on both sides of the motor synchronous pulley, and the motor synchronous pulley, the first synchronous pulley and the second synchronous pulley are connected by a synchronous belt;

[0012] The first synchronous pulley is connected to the first heating roller, and the second synchronous pulley is connected to the second heating roller.

[0013] In a preferred embodiment of the present utility model, the constant temperature water tank is an automatic water replenishment and dry-burning prevention constant temperature water tank, and a water supply pipe joint is provided on one side of the constant temperature water tank.

[0014] The beneficial effects of the utility model are: by circulating hot water to continuously exchange heat with the first heating roller and the second heating roller, the heating efficiency of the first heating roller and the second heating roller on the TPU release film is guaranteed, the laminating effect is improved, the success rate of the transfer of the colloid layer is increased, and the product quality is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 yes Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 This is a schematic diagram of the drive control system of the utility model.

[0018] In the figure: a first heating roller 1; a second heating roller 2; a constant temperature water tank 3; a water inlet pipe 4; a water return pipe 5; a water inlet manifold 6; a first high-speed rotary joint 7; a water return manifold 8; a second high-speed rotary joint 9; a water pump 10; a first ball valve 11; a second ball valve 12; a third ball valve 13; a fourth ball valve 14; a fifth ball valve 15; a sixth ball valve 16; a first aluminum roller 17; a second aluminum roller 18; a reduction motor 19; a first synchronous pulley 20; a second synchronous pulley 21; a motor synchronous pulley 22; a synchronous belt 23; and a water supply pipe joint 24. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0021] like Figures 1 to 3 A heating device for improving the adhesion of a TPU release film is shown, comprising an inlet and return water temperature control system, an electric heating roller assembly and a drive control system;

[0022] The electric heating roller assembly includes a first heating roller 1 and a second heating roller 2 arranged up and down, and the first heating roller 1 and the second heating roller 2 are both provided with coils; one end of the first heating roller 1 and one end of the second heating roller 2 are both connected to the drive control system, and the coils of the first heating roller 1 and the second heating roller 2 are both connected to the return water temperature control system;

[0023] The inlet and return water temperature control system comprises a constant temperature water tank 3, an inlet pipe 4 and a return pipe 5. The constant temperature water tank 3 is connected to one end of the inlet pipe 4 and one end of the return pipe 5 respectively. The other end of the inlet pipe 4 is connected to an inlet water manifold 6. The two ends of the inlet water manifold 6 are connected to the coil of the first heating roller 1 and the coil of the second heating roller 2 respectively through a first high-speed rotary joint 7.

[0024] The other end of the return water pipe 5 is connected to the return water manifold 8 , and the two ends of the return water manifold 8 are respectively connected to the coil of the first heating roller 1 and the coil of the second heating roller 2 through the second high-speed rotary joint 9 .

[0025] The TPU release film is pulled through the first heating roller 1 and the second heating roller 2, and the driving control system is started, and the driving control system drives the first heating roller 1 and the second heating roller 2 to rotate; the water in the constant temperature water tank 3 is injected into the coils of the first heating roller 1 and the second heating roller 2 through the water inlet pipe 4, the water inlet manifold body 6, and the first high-speed rotary joint 7, so as to maintain the surface temperature of the first heating roller 1 and the second heating roller 2, so as to facilitate the heating of the pulled TPU release film through the first heating roller 1 and the second heating roller 2, and the water after heat exchange flows back to the constant temperature water tank 3 through the second high-speed rotary joint 9, the water return manifold body 8, and the water return pipe 5, so as to realize the circulating heating utilization of the water; the circulating hot water continuously exchanges heat with the first heating roller 1 and the second heating roller 2, so as to ensure the heating efficiency of the first heating roller 1 and the second heating roller 2 for the TPU release film, improve the laminating effect, increase the success rate of the transfer of the colloid layer, and improve the product quality. The first heating roller 1 and the second heating roller 2 in the present application are respectively connected to the water inlet manifold body 6 through the first high-speed rotating joint 7, and are connected to the water return manifold body 8 through the second high-speed rotating joint 9. During the process of the first heating roller 1 and the second heating roller 2 continuously heating, pulling and rotating the TPU release film, the first heating roller 1 and the second heating roller 2 respectively rotate along the corresponding first high-speed rotating joint 7 and the second high-speed rotating joint 9, thereby ensuring the stability of the connection between the first high-speed rotating joint 7 and the water inlet manifold body 6, and the second high-speed rotating joint 9 and the water return manifold body 8, that is, there is no need to rotate the water inlet manifold body 6 and the water return manifold body 8, thereby ensuring the stability of the circulating water entering the first heating roller 1 and the second heating roller 2.

[0026] The heating device for improving the adhesion of the TPU release film of the present application also includes a water pump 10, which is arranged between the constant temperature water tank 3 and the water inlet pipe 4, and a first ball valve 11 is provided on the water pipe between the water pump 10 and the constant temperature water tank 3, and the first ball valve 11 is used to control the pumping of water from the constant temperature water tank 3 by the water pump; a second ball valve 12 is provided on the end of the return pipe 5 close to the constant temperature water tank 3, and the second ball valve 12 is used to control the amount of water returned from the return pipe 5 to the constant temperature water tank; a third ball valve 13 and a fourth ball valve 14 are respectively provided on the water inlet manifold body 6, and the injection amount of hot water into the coil of the first heating roller 1 is controlled by the third ball valve 13, and the injection amount of hot water into the coil of the second heating roller 2 is controlled by the fourth ball valve 14; a fifth ball valve 15 and a sixth ball valve 16 are respectively provided on the return water manifold body 8, and the return amount of the first heating roller 1 to the constant temperature water tank 3 is controlled by the fifth ball valve, and the recovery amount of the second heating roller 2 to the constant temperature water tank 3 is controlled by the sixth ball valve.

[0027] As a preferred embodiment, the first heating roller 1 and the second heating roller 2 in the present application are both mirror chrome-plated heating rollers; the mirror chrome-plated heating rollers are beneficial to improving the conductivity of hot water in the coil, improving thermal efficiency, and maintaining a higher temperature on the outer surfaces of the first heating roller 1 and the second heating roller 2, which is beneficial to improving the heating efficiency of the TPU release film, improving the bonding effect, increasing the success rate of the gel layer transfer, and improving product quality.

[0028] As a preferred embodiment, a first aluminum roller 17 is provided at intervals on the top of the first heating roller 1 in the present application, and a second aluminum roller 18 is provided at intervals at the lower part of the second heating roller 2; the TPU release film is passed through the first aluminum roller, the first heating roller, the second heating roller and the second aluminum roller in an S shape, and the setting of the aluminum rollers provides support and tension for full contact between the TPU release film and the first heating roller and the second heating roller, thereby ensuring the heating effect of the first heating roller and the second heating roller on the TPU release film, thereby ensuring the fitting effect of the TPU release film, improving the success rate of the transfer of the colloid layer, and improving the product quality.

[0029] As a preferred embodiment, the drive control system in the present application includes a reduction motor 19, a first synchronous pulley 20, a second synchronous pulley 21 and a motor synchronous pulley 22, wherein the reduction motor 19 is connected to the motor synchronous pulley 22, the first synchronous pulley 20 and the second synchronous pulley 21 are respectively located on both sides of the motor synchronous pulley 22, and the motor synchronous pulley 22, the first synchronous pulley 21 and the second synchronous pulley 20 are connected by a synchronous belt 23;

[0030] The first synchronous pulley 20 is connected to the first heating roller 1 , and the second synchronous pulley 21 is connected to the second heating roller 2 .

[0031] The motor synchronous pulley 22 is driven to rotate by the reduction motor 19. Since the motor synchronous pulley 22 is connected to the first synchronous pulley 20 and the second synchronous pulley 21 through the synchronous belt 23, the first synchronous pulley 20 and the second synchronous pulley 21 rotate under the action of the motor synchronous pulley 22, so that the first synchronous pulley 20 drives the first heating roller 1 to rotate, and the second synchronous pulley 21 drives the second heating roller to rotate, so that the first heating roller 1 and the second heating roller 2 rotate synchronously, and the TPU release film is fully and evenly heated, thereby improving the success rate of the transfer of the colloid layer.

[0032] As a preferred embodiment, the constant temperature water tank 3 in the present application is an automatic water-replenishing and dry-burning-proof constant temperature water tank to ensure the safety of the constant temperature water tank 3. A water supply pipe joint 24 is provided on one side of the constant temperature water tank 3 to facilitate the real-time injection of water into the constant temperature water tank through the water supply pipe joint 24.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0034] In summary, although the present invention has been disclosed as above in terms of preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.

Claims

1. A heating device for improving the adhesion of a TPU release film, characterized in that: It includes inlet and return water temperature control system, electric heating roller assembly and drive control system; The electric heating roller assembly comprises a first heating roller and a second heating roller arranged up and down, wherein the first heating roller and the second heating roller are both provided with coils; one end of the first heating roller and one end of the second heating roller are both connected to a drive control system, and the coils of the first heating roller and the second heating roller are both connected to a return water temperature control system; The inlet and return water temperature control system comprises a constant temperature water tank, an inlet pipe and a return pipe, wherein the constant temperature water tank is connected to one end of the inlet pipe and one end of the return pipe respectively, and the other end of the inlet pipe is connected to an inlet water manifold body, and both ends of the inlet water manifold body are connected to the coils of the first heating roller and the second heating roller respectively through a first high-speed rotary joint; The other end of the water return pipe is connected to the water return branch body, and both ends of the water return branch body are respectively connected to the coil of the first heating roller and the coil of the second heating roller through a second high-speed rotary joint.

2. The heating device for improving the adhesion of TPU release film according to claim 1, characterized in that: It also includes a water pump, which is connected to a constant temperature water tank and a water inlet pipe through a water pipe, and a first ball valve is provided on the water pipe between the water pump and the constant temperature water tank; a second ball valve is provided on one end of the return pipe close to the constant temperature water tank; a third ball valve and a fourth ball valve are respectively provided on the water inlet branch body; and a fifth ball valve and a sixth ball valve are respectively provided on the return water branch body.

3. The heating device for improving the adhesion of TPU release film according to claim 1, characterized in that: The first heating roller and the second heating roller are both mirror chrome-plated heating rollers; A first aluminum roller is spaced apart at the top of the first heating roller, and a second aluminum roller is spaced apart at the bottom of the second heating roller.

4. The heating device for improving the adhesion of TPU release film according to claim 3, characterized in that: The drive control system comprises a reduction motor, a first synchronous pulley, a second synchronous pulley and a motor synchronous pulley, the reduction motor is connected to the motor synchronous pulley, the first synchronous pulley and the second synchronous pulley are respectively located on both sides of the motor synchronous pulley, and the motor synchronous pulley, the first synchronous pulley and the second synchronous pulley are connected by a synchronous belt; The first synchronous pulley is connected to the first heating roller, and the second synchronous pulley is connected to the second heating roller.

5. The heating device for improving the adhesion of TPU release film according to claim 2, characterized in that: The constant temperature water tank is an automatic water replenishment and dry-burning prevention constant temperature water tank, and a water supply pipe joint is provided on one side of the constant temperature water tank.

Images