CN219294534U

CN219294534U - Mould pressing roller for producing composite brightness enhancement film

Info

Publication number: CN219294534U
Application number: CN202320191023.XU
Authority: CN
Inventors: 何超
Original assignee: Shenzhen Shenmo Industrial Co ltd
Current assignee: Shenzhen Shenmo Industrial Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-04
Anticipated expiration: 2033-02-13

Abstract

The utility model provides a mould pressing roller for producing a composite brightness enhancement film, which relates to the technical field of film manufacturing and comprises a bottom plate and two limiting seats, wherein the bottom ends of the limiting seats are fixedly connected with the top surface of the bottom plate, the inner side walls of the limiting seats are connected with sliding seats in a sliding manner, and a rotating roller is arranged between the two sliding seats. According to the utility model, the sliding seat is lifted in the limiting seat, so that the distance between the differential gear set fixed on the outer side wall of the sliding cylinder and the transmission gear is changed, the gear transmission gears with different radiuses on the differential gear set are aligned in height, the sliding column is moved at one end of the rotating roller, the sliding column drives the sliding cylinder to move horizontally, the differential gear set and the transmission gear are meshed again, the rotation speed ratio between the differential gear set and the transmission gear is changed, the rotation speed of the rotating roller is reduced, the effect of rolling a polishing film with large thickness at a low speed is realized, and the problem that the molding efficiency is not fully affected by the heating of the polishing film due to the large thickness is avoided.

Description

Mould pressing roller for producing composite brightness enhancement film

Technical Field

The utility model relates to the technical field of film manufacturing, in particular to a mould pressing roller for producing a composite brightness enhancement film.

Background

The brightness enhancement film, also called BEF, is an optical film formed by precisely molding a uniform prism pattern on a PET surface having excellent transparency using an acrylic resin, and is assembled in front of a backlight, light emitted from the light source is collected toward a display device user, light which is not utilized outside a viewing angle is recycled according to a light re-reflection effect, and is collected toward the user at an optimum angle.

In prior art, like "a compound polishing film production mould pressing roller of chinese patent CN 217704349U", including compression roller casing, embedding external groove, inside locating hole, leading-in inner panel, laminating planking and locking card post, wherein the one end both sides at the compression roller casing are seted up to the embedding external groove, inside locating hole sets up in the inside both sides of compression roller casing, and wherein leading-in inner panel is located the inside one side of compression roller casing, can make interior fixed plate rotate to the inside of embedding external groove, makes the locking card post under the top of top movable spring move simultaneously, blocks into the inside locating hole and the inside of tip card hole for the position of interior fixed plate is restricted, and only need pull out the locking card post, can pull down the heating structure on leading-in inner panel and the leading-in inner panel from the compression roller casing.

However, in the prior art, the polishing film is required to be heated during production, a heating rod is generally arranged in the molding roller to electrify and heat and shape the polishing film during rolling, the rotation speed of the general molding roller is the same, and the thicker polishing film is rolled, and the bottom end of the thicker polishing film is not completely heated and shaped due to the rated rotation speed of the molding roller, so that the shaping effect of the polishing films with different thicknesses during production is affected.

Disclosure of Invention

The utility model aims to solve the problems that a heating rod is arranged in a die pressing roller to heat and shape a polishing film when the polishing film is rolled when the polishing film is electrified, the rotation speed of a common die pressing roller is the same, and the bottom end of the thicker polishing film is not completely heated and shaped due to the rated rotation speed of the die pressing roller when the polishing film is rolled, so that the shaping effect is influenced when the polishing films with different thicknesses are produced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a compound mould pressing roller for brightness enhancement film production, includes bottom plate and two spacing seats, the bottom of spacing seat with the top surface fixed connection of bottom plate, the inside wall sliding connection of spacing seat has the sliding seat, two be provided with the live-rollers between the sliding seat, the one end slip joint of live-rollers has the slip post, the other end of live-rollers with the lateral wall rotation of sliding seat is connected, the one end of slip post is connected with a slip section of thick bamboo, the lateral wall fixedly connected with differential gear group of slip section of thick bamboo, differential gear group's bottom meshing has drive gear, the top surface fixedly connected with fixing base of bottom plate, the lateral wall fixedly connected with motor of fixing base, the output fixedly connected with drive gear of motor.

Preferably, the top surface central point of bottom plate puts the fixedly connected with tectorial membrane board, four corner positions in bottom surface of bottom plate all are fixedly connected with lower margin.

Preferably, the inside wall fixedly connected with spring of sliding cylinder, the one end fixedly connected with baffle of spring.

Preferably, the outer side wall of the baffle is in sliding connection with the inner side wall of the sliding cylinder, and one end of the sliding cylinder is fixedly connected with a baffle ring.

Preferably, a limiting ring is fixedly connected to the center of the side wall of the sliding seat, and a positioning column is rotatably connected to the inner side wall of the limiting ring.

Preferably, the outer side wall of the positioning column is rotationally connected with the inner side wall of the baffle ring, and an antirust agent is smeared on the outer side of the spring.

Preferably, the inner part of the film-coated plate is fixedly connected with an electric heating rod, and the inner side wall of the limiting seat is smeared with a lubricant.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the sliding seat is lifted in the limiting seat, so that the distance between the differential gear set fixed on the outer side wall of the sliding cylinder and the transmission gear is changed, the gear transmission gears with different radiuses on the differential gear set are aligned in height, the sliding column is moved at one end of the rotating roller, the sliding column drives the sliding cylinder to move horizontally, the differential gear set and the transmission gear are meshed again, the rotation speed ratio between the differential gear set and the transmission gear is changed, the rotation speed of the rotating roller is reduced, the effect of rolling a light enhancement film with large thickness at a slow speed is realized, and the problem that the molding efficiency is not fully affected due to insufficient heating of the light enhancement film caused by the large thickness is avoided.

2. According to the utility model, the baffle is arranged at one end of the positioning column, so that the spring is connected between the baffle and the sliding cylinder, the positioning column generates a pulling force on the sliding cylinder, when the height of the sliding cylinder rises, the gear with smaller radius on the differential gear set cannot be limited with the transmission gear, so that the spring pulls the sliding cylinder to move horizontally, the differential gear set with larger radius is meshed with the transmission gear again, the rotation speed of the mold pressing roller is reduced, the effect of automatically adjusting the rotation speed of the rotating roller is realized, and the portability of the mold pressing roller in use is improved.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a mold pressing roller for producing a composite brightness enhancement film;

FIG. 2 is a schematic view showing the bottom structure of a bottom plate of a mold pressing roller for producing a composite brightness enhancement film;

FIG. 3 is a schematic diagram showing a half-cut structure of a rotating roller of a mold pressing roller for producing a composite brightness enhancement film;

fig. 4 is a partial enlarged effect diagram at a in fig. 3.

Legend description:

1. a bottom plate; 2. a limit seat; 3. a sliding seat; 4. film-coating plates; 5. a rotating roller; 6. a foot margin; 7. a sliding column; 8. a sliding cylinder; 9. a spring; 10. a differential gear set; 11. a transmission gear; 12. positioning columns; 13. a baffle; 14. a baffle ring; 15. a limiting ring; 16. a fixing seat; 17. and a motor.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In the embodiment 1, as shown in fig. 1-4, the utility model provides a mould pressing roller for producing a composite brightness enhancement film, which comprises a bottom plate 1 and two limiting seats 2, wherein the bottom ends of the limiting seats 2 are fixedly connected with the top surface of the bottom plate 1, the inner side walls of the limiting seats 2 are slidably connected with sliding seats 3, a rotating roller 5 is arranged between the two sliding seats 3, one end of the rotating roller 5 is slidably clamped with a sliding column 7, the other end of the rotating roller 5 is rotatably connected with the side wall of the sliding seat 3, one end of the sliding column 7 is connected with a sliding cylinder 8, the outer side wall of the sliding cylinder 8 is fixedly connected with a differential gear set 10, the bottom end of the differential gear set 10 is meshed with a transmission gear 11, the top surface of the bottom plate 1 is fixedly connected with a fixed seat 16, the side wall of the fixed seat 16 is fixedly connected with a motor 17, the output end of the motor 17 is fixedly connected with the transmission gear 11, and before use, the sliding seats 3 need to be adjusted according to the brightness enhancement film thickness processed, the sliding seat 3 is moved in the limit seat 2, the distance between the rotating roller 5 connected with the sliding seat 3 and the film-coated plate 4 is changed, when the height distance of the sliding cylinder 8 is changed, the distance between the differential gear set 10 fixed on the outer side wall of the sliding cylinder 8 and the transmission gear 11 is changed, so that the heights of the gear transmission gears 11 with different radiuses on the differential gear set 10 are aligned, the sliding column 7 is moved at one end of the rotating roller 5, the sliding column 7 drives the sliding cylinder 8 to horizontally move, the differential gear set 10 and the transmission gear 11 are meshed again, so that the rotation speed ratio between the differential gear set 10 and the transmission gear 11 is changed, the rotation angular speed of the transmission gear set 10 is reduced, the rotation speed of the rotating roller 5 is reduced, the effect of rolling a light-increasing film with large thickness is realized slowly, the heater inside the rotating roller 5 can sufficiently heat the brightness enhancement film.

As shown in fig. 1, 2 and 4, the central position of the top surface of the bottom plate 1 is fixedly connected with a film-coated plate 4, and the four corner positions of the bottom surface of the bottom plate 1 are fixedly connected with feet 6. The inside wall fixedly connected with spring 9 of sliding cylinder 8, the one end fixedly connected with baffle 13 of spring 9. The outer side wall of the baffle 13 is in sliding connection with the inner side wall of the sliding cylinder 8, and one end of the sliding cylinder 8 is fixedly connected with a baffle ring 14. The center of the side wall of the sliding seat 3 is fixedly connected with a limiting ring 15, and the inner side wall of the limiting ring 15 is rotationally connected with a positioning column 12. The outer side wall of the positioning column 12 is rotationally connected with the inner side wall of the baffle ring 14, and an antirust agent is smeared on the outer side of the spring 9. The inside fixedly connected with electric rod of tectorial membrane board 4, the inside wall of spacing seat 2 is scribbled the lubricant, when needing to adjust the height of rotor 5, slide a slide tube 8 along the lateral wall of reference column 12 to rotor 5, make a slide tube 8 drive slide column 7 to the inside slip of rotor 5, simultaneously, because the distance between baffle 13 and slide tube 8 increases, thereby make the length increase of spring 9, make spring 9 have the pulling force to one end of reference column 12 to slide tube 8, thereby make slide tube 8 horizontal migration, make the gear that the radius is little on the differential gear set 10 of slide tube 8 mesh with drive gear 11, limit each other between the gear that the radius is big on the differential gear set 10 and drive gear 11, avoid slide tube 8 to the reference column 12 to move, when adjusting the height of rotor 5, the gear that the radius is big on the differential gear set 10 and drive gear 11 no longer limit, make the pulling force pulling of spring 9 move, mesh again between proper radius gear and drive gear 11 again from differential gear set 10, realize the effect of automatically regulated differential gear set 10 rotational speed.

The application method and the working principle of the device are as follows: when a polishing film with large thickness is processed, the sliding seat 3 is moved in the limiting seat 2, the sliding seat 3 drives the positioning column 12 to move, the positioning column 12 drives the sliding cylinder 8 to move, the height of the sliding cylinder 8 is increased, the sliding cylinder 8 drives the differential gear set 10 to move, a smaller radius gear on the differential gear set 10 is no longer meshed with the transmission gear 11, the spring 9 applies a pulling force on the sliding cylinder 8, the sliding cylinder 8 drives the differential gear set 10 to horizontally move, the large radius gear of the differential gear set 10 is meshed with the transmission gear 11 again, the rotation speed of the transmission gear 11 is reduced, and the speed of the rotating roller 5 for processing the polishing film is reduced;

when the light enhancement film with small thickness is processed, the sliding cylinder 8 is horizontally moved along the transmission gear 11, the smaller radius gear of the differential gear set 10 is aligned with the transmission gear 11, the sliding seat 3 is downwardly moved along the inside of the limit seat 2 again, the distance between the sliding cylinder 8 and the baffle 13 on the outer side of the positioning column 12 is increased, the length of the spring 9 is increased, the small radius gear of the differential gear set 10 is meshed with the transmission gear 11 again, the rotation speed of the transmission gear 11 is improved, and the speed of processing the light enhancement film by the rotating roller 5 is accelerated.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a compound polishing membrane production is with mould pressing roller, includes bottom plate (1) and two spacing seats (2), its characterized in that: the utility model discloses a motor, including bottom plate (1), fixed seat (2), inside wall sliding connection of bottom plate (2), sliding seat (3), two be provided with rotor (5) between sliding seat (3), the one end slip joint of rotor (5) has slip post (7), the other end of rotor (5) with the lateral wall rotation of sliding seat (3) is connected, the one end of slip post (7) is connected with slide cylinder (8), the lateral wall fixedly connected with differential gear set (10) of slide cylinder (8), the bottom meshing of differential gear set (10) has drive gear (11), the top surface fixedly connected with fixing base (16) of bottom plate (1), the lateral wall fixedly connected with motor (17) of fixing base (16), the output fixedly connected with drive gear (11) of motor (17).

2. The embossing roll for producing a composite brightness enhancement film according to claim 1, wherein: the novel floor board is characterized in that the central position of the top surface of the floor board (1) is fixedly connected with a film-coated board (4), and the four corner positions of the bottom surface of the floor board (1) are fixedly connected with foundation feet (6).

3. The embossing roll for producing a composite brightness enhancement film according to claim 1, wherein: the inner side wall of the sliding cylinder (8) is fixedly connected with a spring (9), and one end of the spring (9) is fixedly connected with a baffle (13).

4. A mold roll for producing a composite brightness enhancement film according to claim 3, wherein: the outer side wall of the baffle (13) is in sliding connection with the inner side wall of the sliding cylinder (8), and one end of the sliding cylinder (8) is fixedly connected with a baffle ring (14).

5. The embossing roll for producing a composite brightness enhancement film according to claim 4, wherein: the sliding seat is characterized in that a limiting ring (15) is fixedly connected to the center of the side wall of the sliding seat (3), and a positioning column (12) is rotatably connected to the inner side wall of the limiting ring (15).

6. The embossing roll for producing a composite brightness enhancement film according to claim 5, wherein: the outer side wall of the positioning column (12) is rotationally connected with the inner side wall of the baffle ring (14), and an antirust agent is smeared on the outer side of the spring (9).

7. The embossing roll for producing a composite brightness enhancement film according to claim 2, wherein: an electric heating rod is fixedly connected inside the film-coating plate (4), and a lubricant is smeared on the inner side wall of the limiting seat (2).