A polarizing plate four-roll compounding apparatus and a method for using the same

Abstract

The application discloses a polarizer four-roller compounding device and a use method thereof, and is characterized in that the device comprises a driving roller, a first intermediate roller, a second intermediate roller and a driven roller, wherein the driving roller, the first intermediate roller, the second intermediate roller and the driven roller are sequentially arranged. The application relates to the technical field of polarizer devices, in particular to a polarizer four-roller compounding device and a use method thereof. The application aims to provide a polarizer four-roller compounding device and a use method thereof, which facilitates the compounding of three-layer film materials.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of polarizing plate equipment, in particular to a polarizing plate four-roll composite device and a using method thereof. BACKGROUND

[0002] The full name of the polarizing plate is a polarized light plate, which is a kind of optical film with polarization function composed of multiple layers of polymer materials. Its basic structure includes: the PVA (polyvinyl alcohol) film in the middle and the two TAC (triacetyl cellulose) films. The polarizing plate converts natural light without polarization into polarized light, so that the light perpendicular to the electric field can pass through, so that the liquid crystal display panel can normally display the image, which is an essential part of the imaging of the liquid crystal display.

[0003] When producing the polarizing plate, film material compounding is needed. The traditional compounding mechanism mainly has the following implementation modes and defects:

[0004] (1) One steel roller and one rubber roller are adopted: ① the contact surface pressure of the rollers is uneven; ② the rollers will deform, resulting in no pressure in the middle and excessive pressure on both sides; and ③ the steel roller will crush the film material.

[0005] (2) Two rubber rollers: ① the contact surface pressure of the rollers is uneven; and ② the rollers will deform, resulting in no pressure in the middle and excessive pressure on both sides. SUMMARY

[0006] The technical problem to be solved by the present application is to provide a polarizing plate four-roll compounding device and a using method thereof, which facilitates the compounding of three layers of film materials.

[0007] The present application achieves the purpose of the application by adopting the following technical solutions:

[0008] A polarizing plate four-roll compounding device and a using method thereof, characterized in that it comprises: a driving roller, a first intermediate roller, a second intermediate roller and a driven roller; the driving roller, the first intermediate roller, the second intermediate roller and the driven roller are arranged in sequence.

[0009] As a further limitation of the present technical solution, the first intermediate roller, the second intermediate roller and the driven roller are respectively connected to a sliding block through a bearing, and the three sliding blocks are respectively nested in guide rails.

[0010] As a further limitation of the present technical solution, the guide rails are fixedly connected to air cylinders, the piston rods of the air cylinders are connected to mounting seats, and the mounting seats are connected to the corresponding sliding blocks.

[0011] As a further limitation of the present technical solution, the guide rails are fixedly connected to motors, the output shafts of the motors are connected to the center shafts of the driving rollers, the center shafts of the driving rollers are connected to the guide rails through bearings, and the guide rails can be symmetrically arranged on both sides of the four rollers.

[0012] As a further limitation of the technical solution, one end of each of the sliding blocks is fixedly connected to the spring.

[0013] As a further limitation of the technical solution, the driving roller and the passive roller are made of steel bars, and the first intermediate roller and the second intermediate roller are made of rubber rollers.

[0014] As a further limitation of the technical solution, the first intermediate roller and the second intermediate roller are of the same size, the driving roller and the passive roller are of the same size, and the diameters of the first intermediate roller and the second intermediate roller are smaller than the diameters of the driving roller and the passive roller.

[0015] A method for using a four-roller composite device for a polarizing sheet, characterized by comprising the following steps:

[0016] S1: control the air cylinder to retract, so that the first intermediate roller and the second intermediate roller are out of contact, and the film material coated on both sides passes through the gap between the first intermediate roller and the second intermediate roller;

[0017] S2: control the air cylinder to extend, so that the passive roller presses the second intermediate roller, the second intermediate roller presses the first intermediate roller, and the first intermediate roller is attached to the driving roller;

[0018] S3: control the motor to rotate, drive the driving roller to rotate, and realize the rotation of the first intermediate roller, the second intermediate roller and the passive roller under the action of friction, so that the first intermediate roller and the second intermediate roller press the film material on both sides, and realize the attachment of the film material on both sides;

[0019] S4: when the film material on both sides is stably attached, the third layer of film material in the middle is sent into the gap between the first intermediate roller and the second intermediate roller, and the attachment of the three layers of film material is performed until the composite is stable.

[0020] Compared with the prior art, the advantages and positive effects of the present application are:

[0021] 1. The device is driven by an air cylinder and connected to sliding blocks by springs. By extending the air cylinder, the driving roller, the first intermediate roller, the second intermediate roller and the passive roller are sequentially kept in contact, the first intermediate roller and the second intermediate roller are attached, and the direct damage of the steel roller cylinder to the composite film material is reduced. At the same time, the driving roller, the first intermediate roller, the second intermediate roller and the passive roller can perform their respective functions.

[0022] 2. The driving roller, the first intermediate roller, the second intermediate roller and the passive roller are sequentially kept in contact, the rigidity of the first intermediate roller and the second intermediate roller is guaranteed by the two large steel rollers on the outside, and the uniformity of the composite surface is provided. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a schematic diagram of the production state of the present application.

[0024] Figure 2 The figure is a schematic diagram of the mold penetrating state of the present application.

[0025] Figure 3 The figure is a schematic diagram of the structure of a specific embodiment of the present application.

[0026] In the figure: 1, film material, 2, driving roller, 3, first intermediate roller, 4, second intermediate roller, 5, passive roller, 6, guide rail, 7, motor, 8, sliding block, 9, spring, 10, mounting seat, 11, air cylinder. DETAILED DESCRIPTION

[0027] One specific embodiment of the present application will be described in detail below in combination with the drawings, but it should be understood that the protection scope of the present application is not limited by the specific embodiment.

[0028] The present application comprises: a driving roller 2, a first intermediate roller 3, a second intermediate roller 4, and a passive roller 5.

[0029] The driving roller 2, the first intermediate roller 3, the second intermediate roller 4, and the passive roller 5 are sequentially arranged.

[0030] The first intermediate roller 3, the second intermediate roller 4, and the passive roller 5 are respectively connected to the sliding block 8 through bearings, and the three sliding blocks 8 are respectively nested in the guide rail 6.

[0031] The guide rail 6 is fixedly connected to the air cylinder 11, the piston rod of the air cylinder 11 is connected to the mounting seat 10, and the mounting seat 10 is connected to the corresponding sliding block 8.

[0032] The guide rail 6 is fixedly connected to the motor 7, the output shaft of the motor 7 is connected to the center shaft of the driving roller 2, and the center shaft of the driving roller 2 is connected to the guide rail 6 through a bearing.

[0033] One end of each sliding block 8 is fixedly connected to a spring 9.

[0034] The driving roller 2 and the passive roller 5 are made of steel rods, and the first intermediate roller 3 and the second intermediate roller 4 are made of rubber rollers.

[0035] The first intermediate roller 3 and the second intermediate roller 4 are of the same size, the driving roller 2 and the passive roller 5 are of the same size, and the diameters of the first intermediate roller 3 and the second intermediate roller 4 are smaller than the diameters of the driving roller 2 and the passive roller 5.

[0036] A method for using a polarizer four-roller composite device, characterized in that it comprises the following steps:

[0037] S1: control the cylinder 11 to contract, make the first intermediate roller 3 and the second intermediate roller 4 contact, make the film material 1 with two sides coated pass through the gap between the first intermediate roller 3 and the second intermediate roller 4;

[0038] S2: control the cylinder 11 to stretch out, make the passive roller 5 extrude the second intermediate roller 4, the second intermediate roller 4 extrude the first intermediate roller 3, the first intermediate roller 3 adhere to the active roller 2;

[0039] S3: control the motor 7 to rotate, drive the active roller 2 to rotate, under the drive of friction, realize the rotation of the first intermediate roller 3, the second intermediate roller 4 and the passive roller 5, the first intermediate roller 3 and the second intermediate roller 4 extrude the film material 1 on both sides, realize the adhesion of the film material 1 on both sides;

[0040] S4: when the film material 1 on both sides is stably adhered, send the third layer of the film material 1 in the middle into the middle of the first intermediate roller 3 and the second intermediate roller 4, carry out the adhesion of the three layers of the film material 1, until the compound is stable.

[0041] The above disclosed is only the specific embodiment of the present application, but the present application is not limited to this, any change that any person skilled in the art can think of should fall into the protection scope of the present application.

Claims

1. A polarizing sheet four-roll compounding apparatus characterized by comprising: Include: The active roller (2), the first intermediate roller (3), the second intermediate roller (4) and the passive roller (5); The active roller (2), the first intermediate roller (3), the second intermediate roller (4) and the passive roller (5) are sequentially arranged; The first intermediate roller (3), the second intermediate roller (4) and the passive roller (5) are respectively bearing connected to the sliding block (8), and the three sliding blocks (8) are respectively nested in the guide rail (6); The guide rail (6) is fixedly connected with the air cylinder (11), the piston rod of the air cylinder (11) is connected with the mounting seat (10), and the mounting seat (10) is connected with the corresponding sliding block (8); The guide rail (6) is fixedly connected with the motor (7), the output shaft of the motor (7) is connected with the center shaft of the active roller (2), and the center shaft of the active roller (2) is bearing connected with the guide rail (6); One end of each sliding block (8) is fixedly connected with a spring (9); The active roller (2) and the passive roller (5) are steel rollers, and the first intermediate roller (3) and the second intermediate roller (4) are rubber rollers; The use method comprises the following steps: S1: control the air cylinder (11) to shrink, so that the first intermediate roller (3) and the second intermediate roller (4) are separated, and the film material (1) on both sides is passed through the gap between the first intermediate roller (3) and the second intermediate roller (4); S2: control the air cylinder (11) to extend, so that the passive roller (5) extrudes the second intermediate roller (4), the second intermediate roller (4) extrudes the first intermediate roller (3), and the first intermediate roller (3) is attached to the active roller (2); S3: control the motor (7) to rotate, drive the active roller (2) to rotate, and realize the rotation of the first intermediate roller (3), the second intermediate roller (4) and the passive roller (5) under the driving of friction, the first intermediate roller (3) and the second intermediate roller (4) extrude the film material (1) on both sides, and realize the attachment of the film material (1) on both sides; S4: when the film material (1) on both sides is stably attached, the third layer of film material (1) in the middle is sent into the first intermediate roller (3) and the second intermediate roller (4), and the attachment of the three layers of film material (1) is carried out, until the compounding is stable.

2. The polarizing sheet four-roll compounding apparatus according to claim 1, characterized by: The first intermediate roller (3) and the second intermediate roller (4) are the same size, the active roller (2) and the passive roller (5) are the same size, and the diameter of the first intermediate roller (3) is smaller than the diameter of the active roller (2).

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