High-light-transmittance light-release polyester film heating device

Abstract

The utility model relates to the technical field of high-light-transmittance light release type polyester film processing, in particular to a high-light-transmittance light release type polyester film heating device which comprises a workbench used for coating a film on line, and two heating mechanisms used for drying the coated film are symmetrically arranged on the workbench. Each heating mechanism comprises a mounting plate connected to the workbench in a sliding manner, a metal infrared heating plate is mounted in a mounting groove of the mounting plate, and cooling fins for assisting the metal infrared heating plate in cooling are arranged on one side of the metal infrared heating plate and close to the inner wall of the mounting groove; a limiting assembly used for limiting the cooling fins and the metal infrared heating plate is arranged in an inner cavity of the mounting groove. According to the utility model, the metal infrared heating plate is used for uniformly heating the film, so that the moisture of the release coating liquid is fully evaporated before the film is transversely stretched, the coated coating is more uniformly attached to the surface of the film, and the product quality is further conveniently improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high light -transmitting light release type polyester film processing technical field, concretely is a kind of high light -transmitting light release type polyester film heating device. BACKGROUND

[0002] The light transmittance of high light-transmitting light release type polyester film is usually above 90%, which can ensure efficient transmission of light and is suitable for optical applications, displays, solar cells and the like.

[0003] In the production process of high light-transmitting light release type polyester film, the film needs to be coated online. When the release coating liquid is coated on the surface of the film, it cannot be dried in time, and the release coating liquid itself has good fluidity, so that the release coating liquid will be unevenly attached to the surface of the film when the film is stretched transversely in the subsequent process, thereby causing the coating thickness of the finished product after stretching to be uneven, and reducing the product quality. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of high light-transmitting light release type polyester film heating devices.

[0005] The utility model solves the technical problem that: high light-transmitting light release type polyester film is prone to uneven coating thickness of the finished product after transverse stretching in the production process, thereby easily reducing the quality of product.

[0006] The utility model can be implemented by the following technical solutions: a kind of high light-transmitting light release type polyester film heating device, including the workbench for coating film online, two heating mechanisms for drying the film after coating are symmetrically arranged on the workbench, each heating mechanism includes the mounting plate slidably connected to the workbench, metal infrared heating plate is installed in the mounting groove of mounting plate, metal infrared heating plate uses metal material as heating element, generates infrared radiation by electric heating conversion, for heating or drying release coating liquid on the film;The side of metal infrared heating plate and the inner wall close to mounting groove are provided with the fin for assisting metal infrared heating plate to radiate heat, the surface temperature of metal infrared heating plate can be effectively reduced by fin, prevent overheating, prolong its service life;

[0007] More specifically, the fin is usually made of materials with good thermal conductivity, such as aluminum, copper, etc. These materials have a high thermal conductivity, which can quickly conduct heat away, and the shape and size of the fin are adapted to the metal infrared heating plate.

[0008] The mounting groove inner cavity is provided with a limiting component for limiting the fin and the metal infrared heating plate.

[0009] The further technical improvement of the utility model lies in that: the limiting assembly comprises two L-shaped limiting plates symmetrically and elastically slidably connected to the top end and the bottom end of the inner cavity of the mounting plate, and the heat dissipation fin and the metal infrared heating plate are assembled and disassembled by simultaneously sliding the two L-shaped limiting plates.

[0010] The further technical improvement of the utility model lies in that: the bottom end of the workbench is provided with a driving piece for moving the mounting plate, the driving mechanism comprises a moving box arranged at the bottom end of the workbench, a double screw rod is rotationally connected to the inner cavity of the moving box, the two sections of outer threads of the double screw rod with opposite screw rotation directions are both threadedly provided with a sliding sleeve fixed with the mounting plate, the sliding sleeve is slidably connected to the inner cavity of the moving box, and relative movement of the two sliding sleeves is realized by rotating the double screw rod.

[0011] The further technical improvement of the utility model lies in that: one end of the double screw rod penetrates through the moving box and extends to the outside of the moving box, a handle is fixedly arranged at one end of the double screw rod extending to the outside of the moving box, and an anti-skid pattern is arranged on the outer circumferential wall of the handle, so that the handle is conveniently rotated by the anti-skid pattern.

[0012] The further technical improvement of the utility model lies in that: the handle and the moving box are fixed through a positioning pin, and the handle is prevented from being reversely rotated due to external factors through the positioning pin.

[0013] The further technical improvement of the utility model lies in that: the bottom end of the workbench is further fixed with a fixed box, the moving box is slidably connected to the fixed box, a lead screw is rotationally connected to the inner cavity of the fixed box, an outer thread of the lead screw is threadedly provided with a screw sleeve fixed with the moving box, the screw sleeve is slidably connected to the inner cavity of the fixed box, and the screw sleeve reciprocatingly slides in the inner cavity of the fixed box by rotating the lead screw.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1、The utility model discloses a distance between two metal infrared heating plates is adjusted, so that the equipment can adapt to different thicknesses of film, after the distance between the two metal infrared heating plates is adjusted, the coated film is fixed at the middle end of the workbench, the lead screw is rotated by driving the servo motor, the screw sleeve reciprocatingly slides in the inner cavity of the fixed box by the rotation of the lead screw, the mounting plate is synchronously moved by the screw sleeve, and the metal infrared heating plate is moved, the coated film is uniformly heated by the reciprocating movement of the metal infrared heating plate, the moisture of the release coating liquid is fully evaporated before the film is transversely stretched, so that the coated coating is more uniformly attached to the surface of the film, and the quality of the product is improved.

[0016] 2, the detachable design of the metal infrared heating plate and the mounting plate is convenient for selectively assembling and disassembling the metal infrared heating plate according to the use demand of the staff, so that the metal infrared heating plate can be conveniently maintained or overhauled regularly, and thus the equipment is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in combination with the drawings.

[0018] Figure 1 It is an overall structure schematic view of the utility model;

[0019] Figure 2 It is a bottom view structure connection schematic view of the utility model;

[0020] Figure 3 It is a local structure connection schematic view of the utility model;

[0021] Figure 4 It is a side view structure connection schematic view of the utility model Figure 3 .

[0022] In the drawing:

[0023] 1, workbench;11, fixed box;12, screw rod;13, screw sleeve;14, moving box;15, bidirectional screw rod;16, sliding sleeve;17, transmission plate;18, servo motor;

[0024] 2, mounting plate;21, mounting groove;22, metal infrared heating plate;23, fin;24, L-shaped limiting plate;25, sliding block;26, sliding groove;27, extrusion spring. DETAILED DESCRIPTION

[0025] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0026] Please refer to Figures 1-4 The embodiment provides a technical scheme, a high-transmittance light release-type polyester film heating device, which comprises a workbench 1 for on-line coating of the film, two heating mechanisms for drying the coated film are symmetrically arranged on the workbench 1, and the two heating mechanisms are used for heating the film; each heating mechanism comprises a mounting plate 2, a mounting groove 21 is formed in one side of the mounting plate 2, a metal infrared heating plate 22 is arranged in the inner cavity of the mounting groove 21, and a fin 23 for assisting the metal infrared heating plate 22 in heat dissipation is arranged on one side of the metal infrared heating plate 22 and close to the inner wall of the mounting groove 21.

[0027] The inner cavity of the mounting groove 21 is provided with a limiting assembly for limiting the heat dissipation fins 23 and the metal infrared heating plate 22, the limiting assembly comprises two L-shaped limiting plates 24 symmetrically and slidingly connected to the top end and the bottom end of the inner cavity of the mounting plate 2, the two L-shaped limiting plates 24 are used for limiting the heat dissipation fins 23 and the metal infrared heating plate 22 of the L-shaped limiting plate 24, the L-shaped limiting plate 24 abuts against the metal infrared heating plate 22, the top end and the bottom end of the L-shaped limiting plate 24 are fixedly provided with sliding blocks 25, the inner cavity of the mounting plate 2 is provided with sliding grooves 26 for the sliding blocks 25 to slide, the sliding grooves 26 are communicated with the inner cavity of the mounting groove 21, the inner wall of the sliding groove 26 is fixedly provided with an extrusion spring 27, and one end of the extrusion spring 27 away from the inner wall of the sliding groove 26 is fixedly connected with the sliding block 25.

[0028] The bottom end of the workbench 1 is provided with a driving piece for moving the mounting plate 2, the driving piece comprises a fixed box 11 fixed to the bottom end of the workbench 1, a lead screw 12 rotatably connected between the two inner side walls of the fixed box 11 through a bearing, a screw sleeve 13 threadedly sleeved on the outer circumferential wall of the lead screw 12, a moving box 14 slidingly connected above the fixed box 11 and fixed with the screw sleeve 13, a bidirectional screw rod 15 rotatably connected between the two inner side walls of the moving box 14 through a bearing, the side close to the end portion of the bidirectional screw rod 15 being provided with two sections of external threads with opposite screw directions, the two sections of external threads with opposite screw directions of the bidirectional screw rod 15 being threadedly sleeved with sliding sleeves 16 slidingly connected with the inner cavity of the moving box 14, the sliding sleeves 16 being fixedly provided with a transmission plate 17, the top end of the transmission plate 17 penetrating through the workbench 1 and extending to the top of the workbench 1, and one end of the transmission plate 17 extending to the top of the workbench 1 being fixedly connected with the mounting plate 2;

[0029] More specifically, the inner cavity of the workbench 1 is provided with a strip-shaped through groove for the sliding of the transmission plate 17; similarly, the inner cavity of the workbench 1 is also provided with a plurality of moving through grooves equidistantly penetrating through and for the sliding of the transmission plate 17, and the moving through grooves are communicated with the strip-shaped through groove;

[0030] One end of the bidirectional screw rod 15 penetrates through the moving box 14 and extends to the outside of the moving box 14, a handle is fixedly installed at one end of the bidirectional screw rod 15 extending to the outside of the moving box 14, the handle is fixed between the moving box 14 through a positioning pin, and a plurality of positioning holes matched with the positioning pin are formed in the outer wall of the moving box 14 and are arranged in an annular array equidistantly distributed on the outer wall of the moving box 14.

[0031] The outer wall of the fixed box 11 is fixedly provided with a servo motor 18 for rotating the driving lead screw 12.

[0032] The utility model discloses a distance between two metal infrared heating plates 22 is adjusted according to the thickness of film, and the limiting of the handle is removed when adjusting, and then the handle is rotated to make the bidirectional screw rod 15 rotate, because the thread on the outer surface of the bidirectional screw rod 15 is two sections of opposite rotation, the relative movement of the two sliding sleeves 16 on the outer circumferential wall of the bidirectional screw rod 15 is realized through the thread transmission, the synchronous movement of the two mounting plates 2 is realized through the two sliding sleeves 16, and then the distance adjustment of the two metal infrared heating plates 22 is realized, and the handle is limited through the positioning pin again after adjustment.

[0033] The distance between the two metal infrared heating plates 22 is adjusted, and then the coated film is fixed at the middle end of the workbench 1, the screw rod 12 is rotated through the driving servo motor 18, the screw sleeve 13 reciprocatingly slides in the inner cavity of the fixed box 11 through the rotation of the screw rod 12, the synchronous movement of the mounting plate 2 is realized through the screw sleeve 13, and then the movement of the metal infrared heating plate 22 is realized, the uniform heating of the coated film is realized through the reciprocating movement of the metal infrared heating plate 22, the moisture of the release coating liquid is fully evaporated before the film is transversely stretched, so that the coated coating is more evenly attached to the surface of the film, and then the quality of the product is improved.

[0034] The metal infrared heating plate 22 can be detached from the mounting plate 2 when maintenance or repair is needed, the two L-shaped limiting plates 24 are pulled at the same time when detaching, the metal infrared heating plate 22 and the cooling fin 23 are exposed through the movement of the two L-shaped limiting plates 24, and then the metal infrared heating plate 22 and the cooling fin 23 can be detached by sliding respectively, when installing, the two L-shaped limiting plates 24 are pulled again, the metal infrared heating plate 22 and the cooling fin 23 are arranged between the two L-shaped limiting plates 24, and then the installation work can be completed by resetting the two L-shaped limiting plates 24.

[0035] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed the above-mentioned preferred embodiment, however, it is not used to limit the utility model, any person skilled in the art can make slight changes or modifications to the equivalent embodiments of equivalent changes within the scope of the technical scheme of the utility model by using the disclosed technical content, as long as the changes or modifications do not deviate from the technical scheme of the utility model, and the changes or modifications are still within the scope of the technical scheme of the utility model.

Claims

1. A high-transparency, light-release, polyester film heating device, comprising a worktable (1) for on-line coating of the film, characterized in that: Two heating mechanisms for drying the coated film are symmetrically arranged above the workbench (1), each of the heating mechanisms comprises an installation plate (2) which is slidingly connected to the workbench (1), a metal infrared heating plate (22) is installed in an installation groove (21) of the installation plate (2), and a heat dissipation fin (23) for assisting the metal infrared heating plate (22) in heat dissipation is arranged on one side of the metal infrared heating plate (22) and close to the inner wall of the installation groove (21). A limiting assembly for limiting the heat dissipation fin (23) and the metal infrared heating plate (22) is arranged in the inner cavity of the installation groove (21).

2. A high-transparency, light-release, polyester film heating device according to claim 1, characterized in that, The limiting assembly comprises two L-shaped limiting plates (24) which are symmetrically and elastically slidingly connected to the top end and the bottom end of the inner cavity of the installation plate (2).

3. A high-transparency, light-release, polyester film heating device according to claim 1, characterized in that, A driving element for moving the installation plate (2) is arranged at the bottom end of the workbench (1), the driving element comprises a moving box (14) arranged at the bottom end of the workbench (1), a bidirectional screw rod (15) is rotationally connected to the inner cavity of the moving box (14), and two outer threads with opposite screw directions of the bidirectional screw rod (15) are threadedly sleeved with a sliding sleeve (16) which is fixed with the installation plate (2).

4. A high-transparency, light-release, polyester film heating device according to claim 3, characterized in that, One end of the bidirectional screw rod (15) penetrates through the moving box (14) and extends to the outside of the moving box (14), and a rotating handle is fixedly installed at the end of the bidirectional screw rod (15) which extends to the outside of the moving box (14).

5. A high-transparency, light-release, polyester film heating device according to claim 4, characterized in that, The rotating handle and the moving box (14) are fixed through a positioning pin.

6. A high-transparency, light-release, polyester film heating device according to claim 3, characterized in that, The bottom end of the workbench (1) is further fixed with a fixed box (11), the moving box (14) is slidingly connected to the fixed box (11), a lead screw (12) is rotationally connected to the inner cavity of the fixed box (11), and an outer peripheral wall of the lead screw (12) is threadedly sleeved with a screw sleeve (13) which is fixed with the moving box (14).

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