阅读说明：本技术 一种光学膜用包装垫片 (Packaging gasket for optical film ) 是由 李彦 于 2020-12-30 设计创作，主要内容包括：本发明属于光学膜技术,具体涉及偏光片等液晶显示产业领域,包括基材,所述基材上下两侧面均设有相复合的聚酯或聚丙烯薄膜,所述聚酯或聚丙烯薄膜外侧面设有防静电涂层,硅涂层,防静电涂层的设计,能够有效的实现防静电,硅涂层的设计,使其具有防胶粘的功能。(The invention belongs to the optical film technology, in particular to the field of liquid crystal display industry such as polaroids and the like, which comprises a substrate, wherein the upper side surface and the lower side surface of the substrate are both provided with a polyester or polypropylene film which is compounded with each other, the outer side surface of the polyester or polypropylene film is provided with an anti-static coating, a silicon coating and the design of the anti-static coating, and the anti-static coating can effectively realize the design of the anti-static coating and the silicon coating, so that the anti-sticking function is realized.)

1. A packaging gasket for an optical film, characterized in that: the antistatic coating comprises a base material, wherein polyester or polypropylene films are compounded on two sides of the base material, and antistatic coatings and/or silicone oil coatings are coated on the surfaces of the polyester or polypropylene films.

2. The packaging gasket for optical films as set forth in claim 1, wherein: the base material is PE, PP, PET, PS, PVC and foaming materials thereof.

3. The packaging gasket for optical films as set forth in claim 1, wherein: the packaging gasket for the optical film is prepared by the following preparation steps:

(1) firstly, compounding an anti-static coating on the surface of a polyester or polypropylene film through an efficient compounding mechanism;

(2) then compounding the silicon coating on the surface of the anti-static coating compounded in the step (1) through an efficient compounding mechanism;

(3) and (3) finally, compounding the material compounded in the step (2) on the two outer surfaces of the base material through an efficient compounding mechanism by taking the polyester or polypropylene film coating as the bottom surface.

4. The packaging gasket for optical films as set forth in claim 3, wherein: the packaging gasket for the optical film also comprises the following preparation steps:

(1) placing a surface film to be compounded on an unwinding roller, placing a bottom film to be compounded on a compounding roller, guiding the film on the unwinding roller to a glue spreading roller through a guide roller, and uniformly spreading glue on the surface of the film;

(2) guiding the glued membrane into a drying box through a guide roller to be baked;

(3) after baking is finished, leading the surface film to be compounded on the bottom film to be compounded through the guide roller to form a compounding roller;

(4) and guiding the compounded film to a quick rolling mechanism through a guide roller, and quickly rolling.

5. The packaging gasket for optical films as set forth in claim 1 or 4, wherein: the packaging gasket for the optical film is rolled by the quick rolling mechanism; wherein, quick winding mechanism includes: wind-up roll and base, but be equipped with up-and-down motion's regulating plate on the base, regulating plate one side is equipped with rotatable adjusting disk, all be equipped with a plurality of rotatable wind-up rolls that just are the symmetric distribution on the adjusting disk, equal joint has the rolling sleeve on the wind-up roll, it has the rolling glue that is used for fixing all to coat on the rolling sleeve, is located one side the extension end of membrane is connected after the rolling sleeve on the wind-up roll and compound, is located compound back membrane extension end one side the regulating plate bottom is equipped with fixed connection's locating plate, but be equipped with up-and-down motion on the locating plate and be used for the extrusion membrane to splice with the rolling and touch fixed stripper plate, but be equipped with the cutting dish that back and forth motion just.

Technical Field

The invention belongs to the optical film technology, particularly relates to the field of liquid crystal display industries such as polaroids and the like, and particularly relates to an optical film packaging gasket.

Background

The former optical film packing liner is PE, PP, PET, PS, PVC and expanded material thereof, and these materials are difficult to satisfy prevent static, prevent gluing, have buffer function simultaneously, consequently, can prevent static, prevent gluing and have buffer function's packing gasket is especially important simultaneously.

Disclosure of Invention

In view of the problems of the prior art, an object of the present invention is to provide a packing sheet for an optical film.

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

a packing gasket for an optical film comprises a base material, wherein polyester or polypropylene films which are compounded are arranged on the upper side surface and the lower side surface of the base material, and an anti-static coating and a silicone oil coating are arranged on the outer side surface of the polyester or polypropylene film or are simultaneously provided with the anti-static coating and the silicone oil coating.

Preferably, the base material is PE, PP, PET, PS, PVC and foaming materials thereof.

Preferably, the method for preparing the packaging gasket for the optical film comprises the following steps, that is, the packaging gasket for the optical film is prepared by the following preparation steps:

(1) firstly, compounding an antistatic material on the surface of a polyester or polypropylene film coating through an efficient compounding mechanism;

(2) compounding the silicon coating on the surface of the anti-static coating compounded in the step (1) through an efficient compounding mechanism;

(3) and (3) finally, compounding the material compounded in the step (2) on two outer surfaces of the base material by using a polyester or polypropylene film as a bottom surface through an efficient compounding mechanism.

Further, the compounding method of the efficient compounding mechanism comprises the following steps:

(1) placing a surface film to be compounded on an unwinding roller, placing a bottom film to be compounded on a compounding roller, guiding the film on the unwinding roller to a glue spreading roller through a guide roller, and uniformly spreading glue on the surface of the film;

(2) guiding the glued membrane into a drying box through a guide roller to be baked;

(3) after baking is finished, leading the surface film to be compounded on the bottom film to be compounded through the guide roller to form a compounding roller;

(4) and guiding the compounded film to a quick rolling mechanism through a guide roller, and quickly rolling. Of course, the quick rolling mechanism rolls the optical film which is compounded and finished by the packing gasket.

Further, quick winding mechanism includes: wind-up roll and base, but be equipped with up-and-down motion's regulating plate on the base, regulating plate one side is equipped with rotatable adjusting disk, all be equipped with a plurality of rotatable wind-up rolls that just are the symmetric distribution on the adjusting disk, equal joint has the rolling sleeve on the wind-up roll, it has the rolling glue that is used for fixing all to coat on the rolling sleeve, is located one side the extension end of membrane is connected after the rolling sleeve on the wind-up roll and compound, is located compound back membrane extension end one side the regulating plate bottom is equipped with fixed connection's locating plate, but be equipped with up-and-down motion on the locating plate and be used for the extrusion membrane to splice with the rolling and touch fixed stripper plate, but be equipped with the cutting dish that back and forth motion just.

Further, the base is connected fixedly with the regulating plate through a plurality of first hydraulic stems, be equipped with a plurality of fixed connection's second hydraulic stem between stripper plate and the locating plate, be equipped with first motor on the regulating plate, first motor output is connected fixedly through first output shaft and adjusting disk, be equipped with a plurality of quantity and the corresponding second motor of wind-up roll on the adjusting disk, second motor output passes through the second output shaft and is connected with corresponding wind-up roll respectively.

Further, be equipped with on the stripper plate and be the cut groove that cuts of run-through, cut and be equipped with the cutting dish in the groove, and cut and be equipped with the adjustment tank on a lateral wall of cut groove, the adjustment tank bottom is equipped with fixed connection's guide rail, be equipped with looks block and sliding connection's slider on the guide rail, be equipped with fixed connection's third motor on the slider, third motor output is equipped with the third output shaft, third output shaft extension end is connected with the cutting dish, be equipped with the spout on the slider, be located the slider top be equipped with adjusting gear on the third output shaft, be equipped with the rack with adjusting gear engaged with on the guide rail.

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

the design of this antistatic coating can effectually realize antistatic, and silicon coating's design makes it have prevents sticky function simultaneously.

Drawings

Fig. 1 is a schematic structural view of a packaging gasket for an optical film according to embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of a composite process provided in example 2 of the present invention;

fig. 3 is a schematic view of a top-view connection structure of an adjusting plate and a wind-up roll provided in embodiment 2 of the present invention;

fig. 4 is a schematic side view of a connection structure between an adjusting plate and a wind-up roll provided in embodiment 2 of the present invention;

fig. 5 is a schematic view of an internal structure of an extrusion plate provided in embodiment 2 of the present invention;

fig. 6 is a schematic side view of a connection structure of a rack and an adjusting gear according to embodiment 2 of the present invention.

The reference numbers in the figures illustrate: 1. a substrate; 31. unwinding rollers; 32. glue spreading roller; 33. a guide roller; 34. a drying box; 35. a compound roller; 41. a wind-up roll; 42. a roller to be rolled; 44. a first hydraulic lever; 45. an adjusting plate; 451. an adjusting ring groove; 452. a first output shaft; 453. a first motor; 454. positioning a plate; 455. a second hydraulic rod; 46. a pressing plate; 461. cutting the groove; 462. a third output shaft; 463. an adjusting gear; 464. a third motor; 465. an adjustment groove; 466. a slider; 4661. a chute; 467. a guide rail; 4671. a rack; 468. cutting the disc; 47. an adjusting disk; 471. a second motor; 472. a second output shaft; 5. winding a sleeve; 51. and (6) rolling the glue.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1, a packing gasket for an optical film includes a substrate 1, a polyester or polypropylene film 11 compounded with each other is disposed on both upper and lower sides of the substrate, an antistatic coating 12 compounded with each other is disposed on an outer side of the polyester or polypropylene film coating 11, and a silicon coating 13 compounded with each other is disposed on an outer side of the antistatic coating 12.

Preferably, the base material 1 is made of PE, PP, PET, PS, PVC and foaming materials thereof.

Example 2

The same points as those in example 1 are not repeated, and the difference from example 1 is that:

please refer to fig. 2-6; preferably, the method for preparing the packaging gasket for the optical film comprises the following steps:

(1) firstly, compounding the anti-static coating 12 on the surface of the polyester or polypropylene film coating 11 through an efficient compounding mechanism;

(2) then compounding the silicon coating 13 on the surface of the antistatic coating 12 compounded in the step (1) through an efficient compounding mechanism;

(3) and (3) finally, compounding the compounded material in the step (2) on two outer surfaces of the base material 1 by using a polyester or polypropylene film coating 11 as a bottom surface through an efficient compounding mechanism.

Further, the compounding method of the efficient compounding mechanism comprises the following steps:

(1) placing a surface film to be compounded on an unwinding roller 31, placing a bottom film to be compounded on a compounding roller 35, guiding the surface film to be compounded on the unwinding roller 31 to a glue spreader 32 through a guide roller 33, and uniformly gluing the surface of the surface film to be compounded;

(2) guiding the glued membrane into a drying box 34 through a guide roller 33 for baking;

(3) after baking is finished, leading the surface film to be compounded on the bottom film to be compounded through the guide roller 33 and the compounding roller 35;

(4) and guiding the compounded film to a quick winding mechanism through a guide roller 33, and winding quickly.

Further, quick winding mechanism includes: a wind-up roll 41, a to-be-wound roll 42 and a base. An adjusting plate 45 capable of moving up and down is arranged on the base. Regulating plate 45 one side is equipped with rotatable adjusting disk 47, all be equipped with two rotatable and be the wind-up roll 41 of symmetric distribution on the adjusting disk 47. Equal joint has rolling sleeve 5 on the wind-up roll 41, it glues 51 to all coat the rolling that is used for fixing on the rolling sleeve 5, is located one side rolling sleeve 5 on the wind-up roll 41 is connected with the extension end of compound back membrane, is located compound back membrane extension end one side regulating plate 45 bottom is equipped with fixed connection's locating plate 454, but be equipped with up-and-down motion on locating plate 454 and be used for the squeeze film and glue 51 fixed stripper plate 46 of contact with the rolling, but be equipped with the cutting dish 468 that back and forth movement just is used for the membrane cutting on the stripper plate 46.

Further, the base is fixedly connected with an adjusting plate 45 through a plurality of first hydraulic rods 44, a plurality of second hydraulic rods 455 which are fixedly connected are arranged between the squeezing plate 46 and the positioning plate 454, a first motor 453 is arranged on the adjusting plate 45, the output end of the first motor 453 is fixedly connected with an adjusting disc 47 through a first output shaft 452, a plurality of second motors 471 which correspond to the winding rollers 41 in number are arranged on the adjusting disc 47, and the output ends of the second motors 471 are respectively connected with the corresponding winding rollers 41 through second output shafts 472. The adjustment plate 45 is provided with an adjustment ring groove 451 for accommodating the second motor 471.

Furthermore, a through cutting groove 461 is arranged on the pressing plate 46, a cutting disc 468 is arranged in the cutting groove 461, an adjusting groove 465 is arranged on one side wall of the cutting groove 461, a guide rail 467 fixedly connected with the bottom of the adjusting groove 465 is arranged on the guide rail 467, a sliding block 466 clamped with each other and connected in a sliding manner is arranged on the guide rail 467, a third motor 464 fixedly connected with each other is arranged on the sliding block 466, a third output shaft 462 is arranged at the output end of the third motor 464, the extending end of the third output shaft 462 is connected with the cutting disc 468, a sliding groove 4661 is arranged on the sliding block 466, an adjusting gear 463 is arranged on the third output shaft 462 above the sliding block 466, and a rack 4671 meshed with the adjusting gear 463 is arranged on the guide rail 467.

The design of guide rail 467 and slider 466 utilizes the rotation of third motor 464, and the cutting of both having driven dish 468 to the membrane can drive the rotation of adjusting gear 463 through third output shaft 462 simultaneously, drives slider 466 and makes a round trip to move on guide rail 467, has realized making a round trip to cut fast.

Further, the guide rail 467 has a T-shaped cross section.

The quick rolling step comprises:

the second motor 471 is firstly set to stop and then cannot rotate, when the film wound by the winding sleeve 5 on the winding roller 41 reaches a certain thickness, the second motor 471 which is winding is stopped, the first motor 453 and the first hydraulic rod 44 are simultaneously started, so that the adjusting disc 47 can synchronously rise while rotating, and the rotating speed of the first motor 453 and the speed on the first hydraulic rod 44 are adjusted to be consistent with the speed before winding of the winding roller 41, so that the winding speed cannot be influenced when the adjusting disc 47 rotates;

when the next winding sleeve 5 with the winding glue 51 rotates to the position of the winding roller 41 which stops winding before, the second hydraulic rod 455 is started to drive the extrusion plate 46 to extrude and bond the film and the winding glue 51, meanwhile, the third motor 464 is started to drive the cutting disc 468 to cut the film, so that the wound film is separated from the winding sleeve 5 to be wound, after the cutting is completed, the extrusion plate 46 is quickly separated from the film, the winding roller 41 is always in a rising stage in the period of time, the rising speed of the winding roller 41 offsets the original winding speed to keep a relatively static state, and after the extrusion plate 46 is separated from the film, the second motor 471 arranged on one side of the winding roller 41 and bonded is started to rotate;

by adjusting the rotation speed of the second motor 471 and combining with the first hydraulic rod 44, the wind-up roll 41 is switched from the ascending state to the descending state until the initial position is recovered, and by such a design, the original wind-up speed is not reduced during switching, and meanwhile, the tension of the film is kept unchanged during winding, and the winding quality of the whole film is guaranteed.

When the next winding sleeve 5 with the winding glue 51 rotates to the position of the winding roller 41 which stops winding before, the adjusting disc 47 does not rotate any more, so that the overall winding speed is kept unchanged by increasing the rising speed of the first hydraulic rod 44, and the overall winding quality is not influenced.

The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.