CN219076780U

CN219076780U - Polaroid pressing device

Info

Publication number: CN219076780U
Application number: CN202223479884.2U
Authority: CN
Inventors: 邓兴龙
Original assignee: Shenzhen Qilida Optoelectronics Co ltd
Current assignee: Shenzhen Qilida Optoelectronics Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-26
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a polaroid pressing device, which belongs to the technical field of polaroid processing and comprises a workbench, a glass substrate and a polarizing film, wherein press rolls for pressing are arranged on the glass substrate and the polarizing film, a pressing plate is arranged on one side of the press rolls, a push rod is fixedly connected to the top end of the pressing plate, a positioning plate is arranged on the opposite side of the press rolls, two limiting threaded rods are connected to the positioning plate, gears are connected to the two limiting threaded rods, and racks are arranged on one side of the gears. According to the utility model, through the arrangement of the positioning plate and the limiting threaded rod, the pressing roller can drive the gear and the limiting threaded rod to rotate by using the rack after moving, so that the positioning plate can move up and down to compress and limit and reset subsequently, the offset during compression is avoided, and meanwhile, the driving belt and the compressing threaded rod are arranged, so that the two ends of the pressing roller can be pressed down at the same frequency, the uneven damage of stress on the two sides is avoided, and the pressing device is suitable for the compression of polaroids with different thicknesses.

Description

Polaroid pressing device

Technical Field

The utility model relates to the technical field of polaroid processing, in particular to a polaroid pressing device.

Background

The polarizer is called as polarizing film, the imaging of the LCD is dependent on polarized light, all the liquid crystal has front and back polarizing films which are tightly attached to the liquid crystal glass to form a liquid crystal film with total thickness of about 1mm, and when the optical instrument is produced and processed, the polarizer and the glass plate are usually required to be pressed and assembled, so that the next installation is carried out.

In the lamination process of the polaroid, friction force is generated in the moving process of the laminated plate or roller, if the friction force is not limited, the polaroid is easy to deviate, normal use is affected, meanwhile, bubbles are extremely easy to generate on two sides when the polaroid is laminated, so that a produced product is disqualified, the qualification rate of product production is reduced, and a common lamination device is not suitable for lamination of polaroids with different thicknesses.

Disclosure of Invention

The utility model provides a polaroid pressing device which aims to solve the problems of offset and easy bubble generation during pressing in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a polaroid compression fittings, includes workstation, glass substrate and polarizing film, be provided with the compression roller that is used for the pressfitting on glass substrate and the polarizing film, compression roller one side is provided with the clamp plate, clamp plate top fixedly connected with push rod, the opposite side of compression roller is provided with the locating plate, be connected with two spacing threaded rods on the locating plate, two all be connected with the gear on the spacing threaded rod, gear one side is provided with the rack, rack one end is connected with spacing slider, be connected with the compression threaded rod on the spacing slider, be connected with the drive wheel on the compression threaded rod.

Preferably, the glass substrate and the polarizing film are both arranged on the top end of the workbench, and the bottom end surface of the pressing plate is contacted with the top end surface of the polarizing film.

Preferably, two mutually symmetrical threaded holes are formed in the positioning plate, and the inner side wall of each threaded hole is in threaded connection with the outer side wall of the limiting threaded rod.

Preferably, the outer side wall of the bottom end of the limit threaded rod is fixedly connected with a gear, and the gear is meshed with the rack.

Preferably, the side wall of the rack is provided with teeth in a half length, one end of the rack, which is not provided with teeth, is fixedly connected with the side wall of the limiting slide block, and one end of the limiting slide block is slidably connected with a limiting slide rail.

Preferably, the limiting slide block is provided with an auxiliary threaded hole, the inner side wall of the auxiliary threaded hole is in threaded connection with the outer side wall of the compression threaded rod, and the outer side wall of the compression threaded rod is fixedly connected with the driving wheel.

Preferably, the same driving belt is connected between the two driving wheels, and the bottom end of the compression threaded rod positioned on the right side is fixedly connected with a rotating disc.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this scheme, through setting up of locating plate and spacing threaded rod, can let the compression roller remove the back and drive gear and spacing threaded rod rotation with the rack, realize the reciprocating of locating plate, compress tightly spacing and follow-up reset, take place the skew when avoiding the pressfitting.

2. In this scheme, through the setting of drive belt and compress tightly the threaded rod, can let the compression roller both ends with the frequency pushing down, avoid both sides atress inhomogeneous impaired, can be applicable to the pressfitting of the polaroid of different thickness simultaneously.

Drawings

FIG. 1 is a schematic perspective view of a lamination device for polarizer according to the present utility model;

FIG. 2 is a schematic diagram illustrating a structure of a rotating disc in a polarizer pressing apparatus according to the present utility model;

FIG. 3 is a schematic diagram illustrating a gear structure of a polarizer pressing apparatus according to the present utility model;

fig. 4 is a schematic structural diagram of a slider in a polarizer pressing apparatus according to the present utility model.

In the figure: 1. a work table; 2. a press roller; 3. a glass substrate; 4. a polarizing film; 5. a pressing plate; 6. a positioning plate; 7. limiting the threaded rod; 8. a gear; 9. a rack; 10. a limit sliding block; 11. compressing the threaded rod; 12. a limit sliding rail; 13. a driving wheel; 14. a transmission belt; 15. a rotating disc; 16. a push rod.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Embodiment one:

referring to fig. 1-2, a polaroid pressing device comprises a workbench 1, a glass substrate 3 and a polarizing film 4, wherein press rolls 2 used for pressing are arranged on the glass substrate 3 and the polarizing film 4, a press plate 5 is arranged on one side of the press rolls 2, push rods 16 are fixedly connected to the top ends of the press plates 5, a positioning plate 6 is arranged on the opposite side of the press rolls 2, two limiting threaded rods 7 are connected to the positioning plate 6, gears 8 are connected to the two limiting threaded rods 7, racks 9 are arranged on one side of the gears 8, limiting sliding blocks 10 are connected to one ends of the racks 9, pressing threaded rods 11 are connected to the limiting sliding blocks 10, and driving wheels 13 are connected to the pressing threaded rods 11.

Further, an auxiliary threaded hole is formed in the limiting slide block 10, the inner side wall of the auxiliary threaded hole is in threaded connection with the outer side wall of the compression threaded rod 11, the outer side wall of the compression threaded rod 11 is fixedly connected with the driving wheels 13, the same driving belt 14 is connected between the two driving wheels 13, and the bottom end of the compression threaded rod 11 positioned on the right side is fixedly connected with the rotating disc 15;

it should be noted that: the rotating disc 15 is rotated to drive one driving wheel 13 to rotate, and the driving belt 14 drives the other driving wheel 13 to rotate, so that the two compression threaded rods 11 rotate at the same rotation frequency, and the limit sliding blocks 10 on two sides can lift at the same speed;

the adoption of the method has the following further advantages: the pressure of the pressing roller 2 on the two sides of the polarizing film 4 is prevented from being inconsistent, and simultaneously, the polaroids with different thicknesses can be pressed by adjusting the height of the pressing roller 2;

embodiment two based on embodiment one:

referring to fig. 3, the rack 9 moves back to drive the gear 8 to rotate, so that the limit threaded rod 7 rotates, the positioning plate 6 moves downwards to be pressed tightly, and limit fixation before the next pressing starts is facilitated; referring to fig. 4, the T-shaped end of the limit slider 10 is completely matched with the T-shaped groove of the limit slide rail 12, so that the smooth sliding process of pressing is ensured.

When the device is used, one end of the polarizing film 4 and one end of the glass substrate 3 are pressed and tightly pressed by the positioning plate 6, the rotating disc 15 is rotated to drive one driving wheel 13 to rotate, and the driving belt 14 is used to drive the other driving wheel 13 to rotate, so that two pressing threaded rods 11 rotate at the same rotation frequency, limit sliding blocks 10 on two sides can be lifted at the same speed, the fact that the pressure of the pressing roller 2 on two sides of the polarizing film 4 is inconsistent and damaged is avoided, meanwhile, polaroids with different thicknesses can be pressed by adjusting the height of the pressing roller 2, and the applicability of the pressing device is improved;

in the pressing process, pushing the push rod 16, the middle is forward, the pressing plates 5 at the two sides are backward can push out bubbles possibly generated in the pressing process to the two sides, after the pressing is completed, the pressing roller 2 is moved upward, then the next group of polarizing films 4 and glass substrates 3 needing pressing are put into, the limiting sliding block 10 is moved back on the limiting sliding rail 12, the rack 9 is moved back to drive the gear 8 to rotate, so that the limiting threaded rod 7 is rotated, the positioning plate 6 is moved downward to be pressed, and limiting fixation before the next pressing is convenient.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a polaroid compression fittings, includes workstation (1), glass substrate (3) and polarizing film (4), its characterized in that, be provided with compression roller (2) that are used for the pressfitting on glass substrate (3) and polarizing film (4), compression roller (2) one side is provided with clamp plate (5), clamp plate (5) top fixedly connected with push rod (16), the opposite side that compression roller (2) is relative is provided with locating plate (6), be connected with two spacing threaded rods (7) on locating plate (6), two all be connected with gear (8) on spacing threaded rod (7), gear (8) one side is provided with rack (9), rack (9) one end is connected with spacing slider (10), be connected with on spacing slider (10) and compress tightly threaded rod (11), be connected with drive wheel (13) on compressing tightly threaded rod (11).

2. The polaroid pressing device according to claim 1, wherein the glass substrate (3) and the polarizing film (4) are both arranged on the top end of the workbench (1), and the bottom end surface of the pressing plate (5) is in contact with the top end surface of the polarizing film (4).

3. The polaroid pressing device according to claim 1, wherein the positioning plate (6) is provided with two mutually symmetrical threaded holes, and the inner side walls of the threaded holes are in threaded connection with the outer side walls of the limiting threaded rods (7).

4. The polaroid pressing device according to claim 1, wherein the outer side wall of the bottom end of the limit threaded rod (7) is fixedly connected with a gear (8), and the gear (8) is meshed with the rack (9).

5. The polaroid pressing device according to claim 1, wherein teeth are formed on a half of the side wall of the rack (9), one end of the rack (9) which is not provided with teeth is fixedly connected with the side wall of the limit sliding block (10), and one end of the limit sliding block (10) is slidably connected with a limit sliding rail (12).

6. The polaroid pressing device according to claim 1, wherein the limiting slider (10) is provided with an auxiliary threaded hole, the inner side wall of the auxiliary threaded hole is in threaded connection with the outer side wall of the pressing threaded rod (11), and the outer side wall of the pressing threaded rod (11) is fixedly connected with the driving wheel (13).

7. A polaroid pressing device according to claim 1, characterized in that the same driving belt (14) is connected between the two driving wheels (13), and a rotating disc (15) is fixedly connected to the bottom end of the pressing threaded rod (11) positioned on the right side.