阅读说明：本技术 一种扩散膜涂布生产装置 (Diffusion barrier coating apparatus for producing ) 是由 李善强 范团涛 王银 于 2020-05-29 设计创作，主要内容包括：本发明提出了一种扩散膜涂布生产装置,包括依次布置安装的放卷装置、涂布装置、烘干装置以及收卷装置；涂布装置包括支撑底座以及依次固定安装在支撑底座上的进料导辊、支撑框架、出料导辊,支撑框架上安装有涂料装置以及二次辊压组件；烘干装置包括烘箱以及固定在烘箱内的隔热板、竖隔板,竖隔板与隔热板相互垂直；隔热板与竖隔板分隔烘箱内部为光固化区以及位于光固化区上方的热烘干区、缓冲区；放卷装置上的扩散膜经过涂料装置涂布、二次辊压组件平整后,依次经过热烘干区、光固化区烘干后通过收卷装置收卷；改善了现有扩散膜涂布设备采用单次涂布、单一烘干方式生产的扩散膜存在结块、折皱的情况。(The invention provides a diffusion film coating production device, which comprises an unreeling device, a coating device, a drying device and a reeling device which are sequentially arranged and installed; the coating device comprises a supporting base, and a feeding guide roller, a supporting frame and a discharging guide roller which are sequentially and fixedly arranged on the supporting base, wherein a coating device and a secondary rolling assembly are arranged on the supporting frame; the drying device comprises an oven, a heat insulation plate and a vertical partition plate, wherein the heat insulation plate and the vertical partition plate are fixed in the oven and are vertical to each other; the interior of the oven partitioned by the heat insulation plate and the vertical partition plate is a photocuring area, a thermal drying area and a buffer area, wherein the thermal drying area and the buffer area are positioned above the photocuring area; after the diffusion film on the unwinding device is coated by the coating device and leveled by the secondary rolling component, the diffusion film is dried by the heat drying area and the light curing area in sequence and then wound by the winding device; the conditions of agglomeration and wrinkling of the diffusion film produced by adopting single coating and single drying mode in the existing diffusion film coating equipment are improved.)

1. A diffusion barrier coating apparatus for producing, characterized in that: the device comprises an unwinding device (1), a coating device (2), a drying device (3) and a winding device (4) which are sequentially arranged and installed;

the coating device (2) comprises a supporting base (21), and a feeding guide roller (22), a supporting frame (23) and a discharging guide roller (24) which are sequentially and fixedly arranged on the supporting base (21), wherein a coating device (25) and a secondary rolling assembly (26) are arranged on the supporting frame (23);

the drying device (3) comprises an oven (31), and a heat insulation plate (32) and a vertical partition plate (33) which are fixed in the oven (31), wherein the vertical partition plate (33) is vertical to the heat insulation plate (32); the heat insulation plate (32) and the vertical partition plate (33) separate the interior of the oven (31) into a light curing area (34), a heat drying area (35) and a buffer area (36), wherein the heat drying area (35) and the buffer area are positioned above the light curing area (34);

after the diffusion film on the unreeling device (1) is coated by the coating device (25) and leveled by the secondary rolling component (26), the diffusion film is dried by the heat drying area (35) and the light curing area (34) in sequence and then is reeled by the reeling device (4).

2. The diffusion film coating production apparatus according to claim 1, wherein: the coating device (25) comprises a storage tank (251) fixedly arranged on the supporting frame (23), and a discharge tank (252) with an inverted cone structure is arranged at the lower end of the storage tank (215); and a coating roller (253) is rotatably arranged at the opening at the lower end of the discharge chute (252).

3. The diffusion film coating production apparatus according to claim 1, wherein: the secondary rolling assembly (26) comprises a supporting pressing roller (261) fixedly arranged on the supporting base (21), and a pressing roller assembly (262) arranged on the supporting frame (23) and matched with the supporting pressing roller (261).

4. The diffusion film coating production apparatus according to claim 3, wherein: the pressing roller assembly (262) comprises a supporting plate (263) and two rotating brackets (264) vertically fixedly connected to the supporting plate (263), and the two rotating brackets (264) are slidably arranged in the supporting frame (23) in a penetrating manner and provided with floating pressing rollers (265);

the supporting frame (23) is also provided with a plurality of limiting guide rods (266) which are in sliding fit with the supporting plate (263) and are in a T-shaped structure;

the limiting guide rod (266) is sleeved with a buffer spring (267) used for adjusting the floating distance of the supporting plate (263).

5. The diffusion film coating production apparatus according to claim 1, wherein: a hot air duct (37) for conveying hot air inwards and an air return duct (38) for exhausting air outwards are arranged in the hot drying area (35), and a heat pump unit (39) connected with the hot air duct (37) and the air return duct (38) is arranged on one side of the drying oven (31).

6. The diffusion film coating production apparatus according to claim 5, wherein: the light curing area (34) is internally provided with a conductive plate (310) which is obliquely arranged, and the conductive plate (310) is provided with a plurality of curing spot lamps (311).

7. The apparatus for producing a diffusion film coated as claimed in any one of claims 1 to 6, wherein: the winding device (4) comprises a base (41), and a guide mechanism (42) and a winding mechanism (43) which are arranged on the base (41);

the winding mechanism (43) comprises two positioning brackets (431) fixed on the base (41), the positioning brackets (431) are provided with rotating seats (432) capable of moving up and down to adjust positions, and winding drums (433) are rotatably mounted on the two rotating seats (432);

the base (41) is further provided with a driving mechanism (44) which can move transversely and adjust to adapt to height adjustment of the winding drum (433), and the driving mechanism (44) drives the winding drum (433) to rotate clockwise.

8. The diffusion film coating production apparatus according to claim 7, wherein: a strip-shaped hole (434) extending along the longitudinal direction is formed in the positioning support (431), and a plurality of mounting holes (435) which are located on two sides of the strip-shaped hole (434) and used for fixing the rotating base (432) are further formed in the positioning support (431).

9. The diffusion film coating production apparatus according to claim 7, wherein: the driving mechanism (44) comprises a sliding plate (441) which is slidably mounted on the base (41) and a driving motor (442) which is fixedly mounted on the sliding plate (441); a driving chain wheel (443) is fixed on the rotating shaft of the driving motor (442), and a driven chain wheel (444) is fixed on the rotating shaft of the winding drum (433) extending out of the rotating seat (432);

the driving sprocket (443) and the driven sprocket (444) are connected by a drive chain (445).

10. The diffusion film coating production apparatus according to claim 9, wherein: the base (41) is provided with a sliding groove (410) with an inverted T-shaped section, a bolt (45) with an inverted T-shaped structure is arranged in the sliding groove (410), and the bolt (45) penetrates through the sliding groove (410) and the sliding plate (441) and then is locked through a self-locking nut (46).

Technical Field

The invention relates to the field of diffusion film processing equipment, in particular to a diffusion film coating production device.

Background

The diffusion barrier has the effect of diffused light, thereby it is light takes place the scattering on its surface and spreads out soft even light promptly, and the diffusion barrier is mainly on transparent substrate, if scribble optical astigmatism granule and carry out the drying and stereotype on the PET base film, often adopts drying equipment to dry, and whole process includes that base film release, coating, drying and stereotype and rolling become a section of thick bamboo etc..

The existing diffusion film coating equipment immediately sends the base film into drying equipment for hot drying after coating, and adopts a single drying mode, so that the whole process causes the conditions of non-uniform diffusion film coating, caking and creasing after drying.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a diffusion film coating production device, which solves the problems of agglomeration and wrinkling of the diffusion film produced by adopting a single coating and drying mode in the existing diffusion film coating equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

a diffusion film coating production device comprises an unreeling device, a coating device, a drying device and a reeling device which are sequentially arranged and installed; the coating device comprises a supporting base, and a feeding guide roller, a supporting frame and a discharging guide roller which are fixedly arranged on the supporting base in sequence, wherein a coating device and a secondary rolling assembly are arranged on the supporting frame; the drying device comprises an oven, a heat insulation plate and a vertical partition plate, wherein the heat insulation plate and the vertical partition plate are fixed in the oven and are vertical to each other; the heat insulation plate and the vertical partition plate separate the interior of the oven into a photocuring area, a thermal drying area and a buffer area, wherein the thermal drying area and the buffer area are positioned above the photocuring area; after the diffusion film on the unwinding device is coated by the coating device and leveled by the secondary rolling component, the diffusion film is dried by the heat drying area and the light curing area in sequence and then wound by the winding device.

Preferably, the coating device comprises a material storage groove fixedly arranged on the supporting frame, and a discharge groove with an inverted cone structure is arranged at the lower end of the material storage groove; and a coating roller is rotatably arranged at the opening at the lower end of the discharge chute.

Preferably, the secondary rolling assembly comprises a supporting roller fixedly mounted on the supporting base, and a roller assembly mounted on the supporting frame and matched with the supporting roller.

Preferably, the compression roller assembly comprises a support plate and two rotating supports vertically and fixedly connected to the support plate, and the two rotating supports slidably penetrate through the support frame and are internally provided with floating compression rollers; the supporting frame is also provided with a plurality of limiting guide rods which are in sliding fit with the supporting plates and are in a T-shaped structure; and the limiting guide rod is sleeved with a buffer spring for adjusting the floating distance of the supporting plate.

Preferably, a hot air duct for conveying hot air inwards and an air return duct for exhausting air outwards are arranged in the hot drying area, and a heat pump unit connected with the hot air duct and the air return duct is arranged on one side of the drying oven.

Preferably, a conductive plate which is obliquely installed is arranged in the light curing area, and a plurality of curing spot lights are installed on the conductive plate.

Preferably, the winding device comprises a base, and a guide mechanism and a winding mechanism which are arranged on the base; the winding mechanism comprises two positioning brackets fixed on the base, the positioning brackets are provided with rotating seats capable of moving up and down to adjust positions, and winding drums are rotatably mounted on the two rotating seats; but still be equipped with lateral shifting on the base and adjust in order to adapt to the actuating mechanism of a rolling section of thick bamboo altitude mixture control, actuating mechanism drive a rolling section of thick bamboo clockwise turning.

Preferably, a strip-shaped hole extending along the longitudinal direction is formed in the positioning support, and a plurality of mounting holes which are located on two sides of the strip-shaped hole and used for fixing the rotating seat are further formed in the positioning support.

Preferably, the driving mechanism comprises a sliding plate slidably mounted on the base and a driving motor fixedly mounted on the sliding plate; a driving chain wheel is fixed on a rotating shaft of the driving motor, and a driven chain wheel is fixed on a rotating shaft of the winding drum extending out of the rotating seat; the driving chain wheel is connected with the driven chain wheel through a transmission chain.

Preferably, the base is provided with a sliding groove with an inverted T-shaped section, a bolt with an inverted T-shaped structure is arranged in the sliding groove, and the bolt penetrates through the sliding groove and the sliding plate and then is locked through a self-locking nut.

Compared with the prior art, the invention has the following beneficial effects:

by improving a coating device and a drying device in the existing coating and drying equipment with an integrated structure, the coating on the base film is shaped again through a secondary rolling assembly, so that the coating on the base film is more uniform and redundant coating is discharged; simultaneously, get into drying device back through the dual stoving design in overheated drying zone, photocuring district, guarantee that the coating on the base film can be even, effectively avoid once coating direct drying to produce the condition of caking, pincher trees.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a coating apparatus;

FIG. 3 is a schematic top view of the structure of FIG. 2;

FIG. 4 is a side view of the structure of FIG. 2;

FIG. 5 is a schematic structural diagram of a drying apparatus;

FIG. 6 is a side view of the structure of FIG. 5;

FIG. 7 is a schematic structural view of a winding device;

FIG. 8 is a schematic top view of the structure of FIG. 7;

in the figure, the unreeling device 1, the coating device 2, the supporting base 21, the feeding guide roller 22, the supporting frame 23, the discharging guide roller 24, the coating device 25, the material storage groove 251, the material discharge groove 252, the coating roller 253, the secondary rolling component 26, the supporting press roller 261, the press roller component 262, the supporting plate 263, the rotating bracket 264, the floating press roller 265, the limit guide rod 266, the buffer spring 267, the drying device 3, the oven 31, the heat insulation board 32, the vertical partition board 33, the light curing zone 34, the heat drying zone 35, the buffer zone 36, the hot air duct 37, the return air duct 38, the heat pump unit 39, the conductive plate 310, the curing spot light 311, the reeling device 4, the base 41, the chute 410, the guide mechanism 42, the reeling mechanism 43, the positioning bracket 431, the rotating seat 432, the drum 433, the strip hole 434, the reeling mounting hole 435, the driving mechanism 44, the sliding plate 441, the driving motor 442, the, Bolt 45, self-locking nut 46.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

As shown in fig. 1, an embodiment of the present invention provides a diffusion film coating production apparatus, which includes an unwinding device 1, a coating device 2, a drying device 3, and a winding device 4, which are sequentially arranged, wherein a winding drum wound with a diffusion film base film is placed on the unwinding device 1, and the winding drum can be supported and flexibly rotated on the unwinding device 1; the diffusion film sequentially passes through the coating device 2 to be coated with the coating under the power action of the winding device 4, and is wound on the winding device 4 to form a cylinder after being shaped and dried by the drying device 3. As shown in fig. 2, 3 and 4, the coating device 2 includes a supporting base 21, and a feeding guide roller 22, a supporting frame 23 and a discharging guide roller 24 fixedly installed on the supporting base 21 in sequence, wherein a coating device 25 and a secondary rolling assembly 26 are installed on the supporting frame 23; after the base film is coated with the coating by the coating device 25, the coating on the base film is further uniformly processed by the secondary rolling component 26, redundant coating is discharged, and the supporting base 21 is provided with a collecting groove for collecting waste materials.

The diffusion film after coating and secondary rolling enters an oven 31 for drying and shaping, and in order to ensure uniform drying and ensure stable bonding of the coating on the base film within the drying time, as shown in fig. 5 and 6, a drying device 3 comprises an oven 31, and a heat insulation board 32 and a vertical partition board 33 which are fixed in the oven 31, wherein the vertical partition board 33 is perpendicular to the heat insulation board 32; the heat insulation plate 32 and the vertical partition plate 33 separate the interior of the oven 31 into a light curing area 34, a heat drying area 35 positioned above the light curing area 34 and a buffer area 36; let the base film behind the coating get into and play the effect of preliminary solidification in hot drying district 35 for the diffusion barrier can be crooked and can not cause coating to drop yet, and after getting into the solidification of photocuring district 34, let coating solidify completely, let the diffusion barrier finalize the design completely, avoid producing the phenomenon of falling the sediment.

The solidified diffusion film is wound through a winding device 4, so that the whole diffusion film coating process is completed; the diffusion film on the unreeling device 1 is coated by the coating device 25 and leveled by the secondary rolling component 26, and then is dried by the heat drying area 35 and the light curing area 34 in sequence and then is reeled by the reeling device 4.

As shown in fig. 2, 3 and 4, the painting apparatus 25 includes a storage tank 251 fixedly installed on the support frame 23, and a discharge tank 252 having an inverted conical structure is provided at a lower end of the storage tank 251; a coating roller 253 is rotatably arranged at the opening at the lower end of the discharging groove 252; form the side gap through forming between the lower extreme opening of scribbling paint roller 253 and blown down tank 252, let out the coating in silo 252 and can follow scribbling the roller 253 and rotate and the ejection of compact, can guarantee that the ejection of compact is comparatively even, through scribbling the roller 253 rotation of driving about by the frictional force that produces between roller 253 and the base film, realize the even process of scribbling of coating.

The secondary rolling is carried out immediately after the coating is finished, and the secondary rolling assembly 26 comprises a supporting pressing roller 261 fixedly arranged on the supporting base 21 and a pressing roller assembly 262 arranged on the supporting frame 23 and used for matching the supporting pressing roller 261; the pressing roller assembly 262 comprises a supporting plate 263 and two rotating brackets 264 vertically fixedly connected to the supporting plate 263, and the two rotating brackets 264 slidably pass through the supporting frame 23 and are provided with floating pressing rollers 265; the supporting frame 23 is further provided with a plurality of limiting guide rods 266 which are in sliding fit with the supporting plate 263 and are in a T-shaped structure; the limit guide rod 266 is sleeved with a buffer spring 267 used for adjusting the floating distance of the support plate 263; the floating pressing roller 265 and the supporting pressing roller 261 are kept in good contact by the gravity of the pressing roller assembly 262, a flowing space for scraping the excessive coating is formed, and the up-and-down floating action of the supporting plate 263 is buffered and reset by the buffer spring 267, so that the base film can receive stable pressure when passing through.

As shown in fig. 5 and 6, a hot air duct 37 for conveying hot air inwards and an air return duct 38 for discharging air outwards are arranged in the hot drying area 35 of the drying device 3, and a heat pump unit 39 connected with the hot air duct 37 and the air return duct 38 is arranged on one side of the oven 31, the heat pump unit 39 is an air circulation heating device, and can control the temperature of the air conveyed into the air circulation heating device according to the drying temperature requirement, so as to ensure that the drying state of the coating is kept consistent; at the same time, the internal air is circulated to the heat pump unit 39 for heating; the base film after hot drying district 35 carries out temperature reduction and turns to the back through buffer 36 and enters into photocuring district 34 in, be equipped with the current conducting plate 310 of slope installation in photocuring district 34, the contained angle of current conducting plate 310 and water flat line is 20 to install a plurality of solidification shot-light 311 on current conducting plate 310, solidification shot-light 311 adopts the ultraviolet lamp, let the base film of process turn to the back can carry out a plurality of times with a plurality of solidification shot-light 311 to same position, and can prolong the stroke that the base film removed in the curing district and make the coating solidification stable.

After the solidified diffusion film is molded and moved to the winding device 4, the diffusion film is wound by the winding device 4 for subsequent packaging and transportation, as shown in fig. 7 and 8, the winding device 4 includes a base 41, and a guiding mechanism 42 and a winding mechanism 43 mounted on the base 41; the winding mechanism 43 comprises two positioning brackets 431 fixed on the base 41, the positioning brackets 431 are provided with rotating seats 432 capable of moving up and down to adjust positions, and winding drums 433 are rotatably mounted on the two rotating seats 432; the base 41 is further provided with a driving mechanism 44 which can move transversely and adjust to adapt to height adjustment of the winding drum 433, and the driving mechanism 44 drives the winding drum 433 to rotate clockwise; the winding drum 433 is driven to rotate through the driving mechanism 44, the diffusion film is wound on the winding drum 433 to form a cylindrical shape, and in order to meet the winding requirements of the diffusion films with different lengths, the rotating seat 432 is enabled to perform position adjustment on the positioning support 431, so that the winding drum 433 can perform height adjustment in the longitudinal direction to adapt to the winding of the longer diffusion film.

In order to facilitate the rotation seat 432 to be adjustable on the positioning bracket 431, a strip-shaped hole 434 extending along the longitudinal direction is formed on the positioning bracket 431, and a plurality of mounting holes 435 which are positioned at two sides of the strip-shaped hole 434 and are used for fixing the rotation seat 432 are further formed on the positioning bracket 431; after the rotating base 432 is slidably adjusted in the strip-shaped hole 434, the rotating base 432 is fastened by a fastener after passing through the rotating base 432 and the mounting hole 435, so that the position of the rotating base 432 is fixed.

The rotation of the take-up drum 433 is mainly driven by the driving mechanism 44, and the driving mechanism 44 can also accommodate the height adjustment of the rotating drum, as shown in fig. 7, the driving mechanism 44 includes a sliding plate 441 slidably mounted on the base 41 and a driving motor 442 fixedly mounted on the sliding plate 441; a driving sprocket 443 is fixed on the rotating shaft of the driving motor 442, and a driven sprocket 444 is fixed on the rotating shaft of the winding drum 433 extending out of the rotating base 432; the driving sprocket 443 is connected with the driven sprocket 444 through a transmission chain 445; after the driving motor 442 is operated, the winding drum 433 can stably rotate on the rotating base 432 by the power transmission of the driving sprocket 443, the transmission chain 445 and the driven sprocket 444 to wind up the diffusion film.

Meanwhile, the base 41 is provided with a chute 410 with an inverted T-shaped section, a bolt 45 with an inverted T-shaped structure is arranged in the chute 410, the bolt 45 penetrates through the chute 410 and the sliding plate 441 and is locked by a self-locking nut 46, and the sliding plate 441 is arranged in the chute 410 through the bolt 45, so that the sliding plate 441 can be adjusted in position in the transverse direction to adapt to the height adjustment of the winding drum 433.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.