CN218229554U

CN218229554U - Attached tool of photomask

Info

Publication number: CN218229554U
Application number: CN202221833787.6U
Authority: CN
Inventors: 龙腾; 林志新; 许水礁
Original assignee: Xiamen Yuhongtai Electromechanical Co ltd
Current assignee: Xiamen Yuhongtai Electromechanical Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2023-01-06
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses an attached tool of photomask belongs to liquid crystal display technical field, the on-line screen storage device comprises a base, the rear end of base is provided with the support frame, the front end of base is provided with light guide plate mould and photomask mould, support frame below fixed mounting has first guide rail, sliding connection has L type support on the first guide rail, fixed mounting has the second guide rail on the L type support, sliding connection has the slider on the second guide rail, fixedly connected with lift cylinder on the slider, the output fixedly connected with manipulator of lift cylinder, L type support is driven by first actuating mechanism, the slider is driven by second actuating mechanism, the utility model has the advantages of carry out attached photomask membrane operation to the light guide plate through mechanical equipment, improved the attached efficiency of photomask, simultaneously, improved the attached yields of photomask.

Description

Attached tool of photomask

Technical Field

The utility model relates to a liquid crystal display technology field specifically is an attached tool of photomask.

Background

The backlight source is a light source located at the back of the liquid crystal display, and the lighting effect of the backlight source directly affects the visual effect of the liquid crystal display module. The backlight is a light source that provides the LCD panel. Mainly comprises a light source, a light guide plate, an optical film, a plastic frame and the like.

Liquid crystal displays are passive light-emitting elements and the display screen itself does not emit light but is illuminated by a backlight system underneath it. The backlight source and the liquid crystal display screen are combined together to form the liquid crystal display module. The liquid crystal backlight is a planar uniform lighting device, and cold cathode fluorescent lamps or LED lamp strips serving as light sources are arranged on two sides or one side of the whole backlight source. The cold cathode lamp tube is a linear light source, the LED is a point light source, and a light guide plate is needed for converting the light source into a surface light source. The light guide plate is generally made of acrylic plastic with high light transmittance, and the surface is very smooth and flat, so that most of the internal light can be regularly and totally reflected on the flat surface of the light guide plate and can not be emitted out of the light guide plate. The bottom of the light guide plate of the liquid crystal display is printed with white dots. At the position where the dots are printed on the light guide plate, the light rays are not regularly reflected totally but emitted to the upper part of the light guide plate.

The quality of the light guide plate has a great influence on the backlight plate, and the design and manufacture of the light guide plate in the side-light type backlight plate are one of key technologies. In the side-light type structure of the backlight module, a light shielding film is required to be attached to the periphery of the light guide plate for shading, but the existing light shielding film is attached to the side of the light guide plate manually, so that the attaching efficiency is low.

Based on this, the utility model designs an attached tool of photomask to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an attached tool of photomask to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an attached tool of photomask, includes the base, the rear end of base is provided with the support frame, the front end of base is provided with light guide plate mould and photomask mould, support frame below fixed mounting has first guide rail, sliding connection has L type support on the first guide rail, fixed mounting has the second guide rail on the L type support, sliding connection has the slider on the second guide rail, fixedly connected with lift cylinder on the slider, the output fixedly connected with manipulator of lift cylinder, L type support is driven by first actuating mechanism, the slider is driven by second actuating mechanism.

Preferably, first actuating mechanism includes the mounting panel of fixed mounting in first guide rail one end, install first motor on the mounting panel, the first synchronizing wheel of output fixedly connected with of first motor, install first screw rod in the first guide rail, first screw rod is close to the one end fixedly connected with second synchronizing wheel of first synchronizing wheel, be connected through the hold-in range between first synchronizing wheel and the second synchronizing wheel, the first link block of bottom fixedly connected with of L type support, first link block bottom fixedly connected with first nut, first nut and first screw rod threaded connection, set up the first logical groove with first link block sliding connection on the first guide rail.

Preferably, the second driving mechanism comprises a second motor fixedly installed at one end of a second guide rail, a second screw rod is installed in the second guide rail, one end of the second screw rod is fixedly connected with the output end of the second motor, the slider is close to one end fixedly connected with second connecting block of the second guide rail, one end fixedly connected with second nut of the slider is far away from the second connecting block, the second nut is in threaded connection with the second screw rod, and a second through groove connected with the second connecting block in a sliding mode is formed in the second guide rail.

Preferably, the gripper comprises a sucker, an airflow channel is formed in the sucker, a plurality of air holes connected with the airflow channel are uniformly formed in the bottom of the sucker, and the airflow channel is connected with an external negative pressure air source.

Preferably, a first limiting groove is formed in one side of the first guide rail, a first limiting block is connected in the first limiting groove in a sliding mode, a first auxiliary support is fixedly connected to one side, away from the first limiting groove, of the first limiting block, and the other end of the first auxiliary support is fixedly connected with the L-shaped support; the second limiting groove is formed in one side of the second guide rail, a second limiting block is connected in the second limiting groove in a sliding mode, a second auxiliary support is fixedly connected to one side, far away from the second limiting groove, of the second limiting block, and the other end of the second auxiliary support is fixedly connected with the sliding block.

Preferably, the material taking groove is formed in two sides of the light guide plate die.

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

the utility model discloses, during the use, place the light guide plate in the light guide plate mould, place the photomask in the photomask mould, move the position of photomask mould through first motor control L type support, move the photomask mould through second motor control slider directly over, then control the manipulator through lift cylinder and move down, until the photomask contact on sucking disc and the photomask mould, external negative pressure air supply is connected to the sucking disc, the negative pressure through sucking disc bottom gas pocket holds the photomask, then move up through lift cylinder control sucking disc, leave photomask mould surface, then first motor control L type support moves the position of light guide plate mould, then move the light guide plate mould directly over through second motor control slider, then push down the sucking disc through the lift cylinder, until sucking disc bottom adsorbed photomask and light guide plate surface laminating mutually, disconnection sucking disc and external negative pressure air supply's connection this moment, then leave the operation that the attached photomask of light guide plate can be accomplished to the light guide plate mould surface through lift cylinder control sucking disc.

Carry out attached shading film membrane operation to the light guide plate through mechanical equipment, improved the attached efficiency of photomask, simultaneously, improved the attached yields of photomask.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a side cross-sectional view of the present embodiment;

FIG. 3 is a partial enlarged structural view of the embodiment A;

FIG. 4 is a top cross-sectional view of the present embodiment;

FIG. 5 is a front sectional view schematically illustrating the structure of the present embodiment;

FIG. 6 is a partial enlarged structural view of the present embodiment B;

FIG. 7 is a partial enlarged structural view of the present embodiment C;

fig. 8 is a schematic structural diagram showing the first driving mechanism of the present embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a light guide plate mold; 21. a material taking groove; 3. a light-shielding film mold; 4. a suction cup; 41. an air flow channel; 42. air holes; 5. a first motor; 51. a first synchronizing wheel; 52. a synchronous belt; 53. mounting a plate; 6. a support frame; 7. a lifting cylinder; 71. a slider; 72. a second auxiliary support; 73. a second limiting block; 8. an L-shaped bracket; 81. a first connection block; 82. a first nut; 9. a second guide rail; 91. a second motor; 92. a second screw; 93. a second nut; 94. a second limit groove; 95. a second connecting block; 10. a first guide rail; 11. a first limit groove; 12. a first stopper; 13. a first auxiliary support; 14. a first screw; 15. a first through groove; 151. a second synchronizing wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution:

a photomask attachment jig comprises a base 1, wherein a support frame 6 is arranged at the rear end of the base 1, a light guide plate mold 2 and a photomask mold 3 are arranged at the front end of the base 1, a first guide rail 10 is fixedly arranged below the support frame 6, an L-shaped support 8,L is connected to the first guide rail 10 in a sliding manner, a second guide rail 9 is fixedly arranged on a support 8, a sliding block 71 is connected to the second guide rail 9 in a sliding manner, a lifting cylinder 7 is fixedly connected to the sliding block 71, a manipulator is fixedly connected to the output end of the lifting cylinder 7, the L-shaped support 8 is driven by a first driving mechanism, and the sliding block 71 is driven by a second driving mechanism;

in the embodiment, the light guide plate mold 2 and the photomask mold 3 are respectively arranged on two sides of the upper surface of the front end of the base 1, the lifting cylinder 7 is connected with an external air source, the light guide plate is arranged in the light guide plate mold 2, the light guide plate mold 2 has a limiting effect on the light guide plate, the photomask is arranged in the photomask mold 3, the photomask mold 3 has a limiting effect on the photomask, and the light guide plate mold 2 and the photomask mold 3 are arranged so as to facilitate a manipulator to quickly position the light guide plate and the photomask; during the use, first actuating mechanism control L type support 8 moves along first guide rail 10, when L type support 8 moved the position of photomask mould 3, second actuating mechanism control slider 71 moved along second guide rail 9, when slider 71 moved photomask mould 3 top, lift cylinder 7 control manipulator moves down, the manipulator grabs the photomask on photomask mould 3, lift cylinder 7 control manipulator upward movement, first actuating mechanism control L type support 8 moves the position that light guide plate mould 2 corresponds, then second actuating mechanism control slider 71 moves directly over light guide plate mould 2, then lift cylinder 7 control manipulator pastes the photomask on the light guide plate in the light guide plate mould 2.

Preferably, the first driving mechanism comprises a mounting plate 53 fixedly mounted at one end of the first guide rail 10, a first motor 5 is mounted on the mounting plate 53, a first synchronizing wheel 51 is fixedly connected to an output end of the first motor 5, a first screw 14 is mounted in the first guide rail 10, a second synchronizing wheel 151 is fixedly connected to one end, close to the first synchronizing wheel 51, of the first screw 14, the first synchronizing wheel 51 is connected with the second synchronizing wheel 151 through a synchronizing belt 52, a first connecting block 81 is fixedly connected to the bottom of the L-shaped bracket 8, a first nut 82 is fixedly connected to the bottom of the first connecting block 81, the first nut 82 is in threaded connection with the first screw 14, and a first through groove 15 in sliding connection with the first connecting block 81 is formed in the first guide rail 10;

in this embodiment, during the use, first motor 5 drives first synchronizing wheel 51 and rotates, first synchronizing wheel 51 drives the action of hold-in range 52, hold-in range 52 drives second synchronizing wheel 151 and rotates, second synchronizing wheel 151 drives first screw rod 14 and rotates, first linkage block 81 and first logical groove 15 sliding connection prevent that first nut 82 from following first screw rod 14 and rotating, when making first screw rod 14 rotate, first nut 82 removes along the length direction of first screw rod 14, first linkage block 81 drives L type support 8 and removes along the length direction of first screw rod 14.

Preferably, the second driving mechanism includes a second motor 91 fixedly mounted at one end of the second guide rail 9, a second screw 92 is mounted in the second guide rail 9, one end of the second screw 92 is fixedly connected with an output end of the second motor 91, one end of the slider 71 close to the second guide rail 9 is fixedly connected with a second connecting block 95, one end of the second connecting block 95 far away from the slider 71 is fixedly connected with a second nut 93, the second nut 93 is in threaded connection with the second screw 92, and a second through groove slidably connected with the second connecting block 95 is formed in the second guide rail 9;

in this embodiment, the second motor 91 drives the second screw 92 to rotate, and the second connecting block 95 is slidably connected to the second through groove, so that the second nut 93 does not rotate along with the second screw 92, and when the second screw 92 rotates, the second nut 93 moves along the length direction of the second screw 92, and the second connecting block 95 drives the slider 71 to move along the length direction of the second screw 92.

Preferably, the gripper comprises a suction cup 4, an airflow channel 41 is formed in the suction cup 4, a plurality of air holes 42 connected with the airflow channel 41 are uniformly formed in the bottom of the suction cup 4, and the airflow channel 41 is connected with an external negative pressure air source;

in this embodiment, when the material is taken, when the bottom of the suction cup 4 contacts the surface of the light shielding film, the external negative pressure air source is opened, so that the light shielding film is adsorbed on the bottom of the suction cup 4, and the external negative pressure air source is disconnected after the light shielding film is attached to the light guide plate by the suction cup 4, so that the suction cup 4 is separated from the light shielding film.

Preferably, a first limiting groove 11 is formed in one side of the first guide rail 10, a first limiting block 12 is connected in the first limiting groove 11 in a sliding manner, a first auxiliary support 13 is fixedly connected to one side, away from the first limiting groove 11, of the first limiting block 12, and the other end of the first auxiliary support 13 is fixedly connected with the L-shaped support 8; a second limiting groove 94 is formed in one side of the second guide rail 9, a second limiting block 73 is connected in the second limiting groove 94 in a sliding manner, a second auxiliary support 72 is fixedly connected to one side, away from the second limiting groove 94, of the second limiting block 73, and the other end of the second auxiliary support 72 is fixedly connected with the sliding block 71;

in this embodiment, the first limiting block 12 is slidably connected to the first limiting groove 11, so that the stability of the L-shaped guide rail moving along the first guide rail 10 is improved, and the second limiting block 73 is slidably connected to the second limiting groove 94, so that the stability of the slider 71 moving along the second guide rail 9 is improved.

Preferably, the material taking groove 21 has been seted up to the both sides of light guide plate mould 2, and in this embodiment, the light guide plate is conveniently taken out from light guide plate mould 2 in setting up of material taking groove 21.

One specific application of this embodiment is:

the utility model discloses, during the use, place the light guide plate in light guide plate mould 2, place the photomask in photomask mould 3, move photomask mould 3's position through first motor 5 control L type support 8, move photomask mould 3 directly over through second motor 91 control slider 71, then through lift cylinder 7 control manipulator downstream, until the photomask contact on sucking disc 4 and photomask mould 3, external negative pressure air supply is connected to sucking disc 4, the negative pressure through 4 bottom gas pockets 42 of sucking disc holds the photomask, then through lift cylinder 7 control sucking disc 4 upwards moving, the photomask leaves photomask mould 3 surface, then first motor 5 control L type support 8 moves light guide plate mould 2's position, then move light guide plate mould 2 directly over through second motor 91 control slider 71, then through lift cylinder 7 with sucking disc 4 pushing down, until 4 absorbent photomasks for the laminating with the light guide plate surface of sucking disc 4 bottom, disconnection sucking disc 4 and external negative pressure air supply's connection this moment, then leave light guide plate mould 2 surface through lift cylinder 7 control sucker 4 and can accomplish the operation of photomask.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an attached tool of photomask, includes base (1), the rear end of base (1) is provided with support frame (6), its characterized in that: the front end of base (1) is provided with light guide plate mould (2) and photomask mould (3), support frame (6) below fixed mounting has first guide rail (10), sliding connection has L type support (8) on first guide rail (10), fixed mounting has second guide rail (9) on L type support (8), sliding connection has slider (71) on second guide rail (9), fixedly connected with lift cylinder (7) on slider (71), the output fixedly connected with manipulator of lift cylinder (7), L type support (8) are driven by first actuating mechanism, slider (71) are driven by second actuating mechanism.

2. The light shielding film attaching jig according to claim 1, wherein: first actuating mechanism includes mounting panel (53) of fixed mounting in first guide rail (10) one end, install first motor (5) on mounting panel (53), the first synchronizing wheel (51) of output fixedly connected with of first motor (5), install first screw rod (14) in first guide rail (10), one end fixedly connected with second synchronizing wheel (151) that first screw rod (14) are close to first synchronizing wheel (51), be connected through hold-in range (52) between first synchronizing wheel (51) and second synchronizing wheel (151), the first connecting block (81) of bottom fixedly connected with of L type support (8), first connecting block (81) bottom fixedly connected with first nut (82), first nut (82) and first screw rod (14) threaded connection, set up the first logical groove (15) with first connecting block (81) sliding connection on first guide rail (10).

3. The light shielding film attaching jig according to claim 2, wherein: second actuating mechanism includes second motor (91) of fixed mounting in second guide rail (9) one end, install second screw rod (92) in second guide rail (9), the one end of second screw rod (92) and the output fixed connection of second motor (91), slider (71) are close to one end fixedly connected with second connecting block (95) of second guide rail (9), the one end fixedly connected with second nut (93) of slider (71) are kept away from in second connecting block (95), second nut (93) and second screw rod (92) threaded connection, set up the second logical groove with second connecting block (95) sliding connection on second guide rail (9).

4. The light shielding film attaching jig according to claim 1, wherein: the manipulator comprises a sucker (4), an airflow channel (41) is formed in the sucker (4), a plurality of air holes (42) connected with the airflow channel (41) are uniformly formed in the bottom of the sucker (4), and the airflow channel (41) is connected with an external negative pressure air source.

5. The light shielding film attaching jig according to claim 4, wherein: a first limiting groove (11) is formed in one side of the first guide rail (10), a first limiting block (12) is connected in the first limiting groove (11) in a sliding mode, a first auxiliary support (13) is fixedly connected to one side, away from the first limiting groove (11), of the first limiting block (12), and the other end of the first auxiliary support (13) is fixedly connected with the L-shaped support (8); a second limiting groove (94) is formed in one side of the second guide rail (9), a second limiting block (73) is connected to the second limiting groove (94) in a sliding mode, a second auxiliary support (72) is fixedly connected to one side, far away from the second limiting groove (94), of the second limiting block (73), and the other end of the second auxiliary support (72) is fixedly connected with the sliding block (71).

6. The light shielding film attaching jig according to claim 1, wherein: and material taking grooves (21) are formed in two sides of the light guide plate mold (2).