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CN-224210554-U - Tectorial membrane positioner is used in LCD screen production

CN224210554UCN 224210554 UCN224210554 UCN 224210554UCN-224210554-U

Abstract

The utility model discloses a film-covered positioning device for liquid crystal display production, which comprises a placing plate, wherein a display screen body is movably placed at the top of the placing plate, a side telescopic assembly is arranged at the bottom of the placing plate, a fixing plate is arranged on the end face of the side telescopic assembly, and a lower positioning assembly is arranged on the side face of the fixing plate. According to the utility model, the side telescopic assembly and the lower positioning assembly are arranged, the side telescopic assembly is used for driving the distance between the lower positioning assembly and the fixed plate to change, so that display screen bodies with different widths are matched, then the lower positioning assembly is matched with the roller to position the film to be coated, the roller can push the lower positioning assembly when moving through the driving assembly, and the roller can push the lower positioning assembly to incline after reaching the lower positioning assembly at the position, so that the lower positioning assembly can position the film, normal laminating and laminating operation of the roller is not influenced, and the quality and accuracy of the film are improved.

Inventors

  • ZHONG JINNING

Assignees

  • 福建福盛达电子有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (6)

  1. 1. The laminating positioning device for the production of the liquid crystal display is characterized by comprising a placing plate (1), wherein a display screen body (2) is movably placed at the top of the placing plate (1), a side telescopic assembly (3) is arranged at the bottom of the placing plate (1), a fixing plate (4) is arranged on the end face of the side telescopic assembly (3), and a lower positioning assembly (5) is arranged on the side face of the fixing plate (4); The bottom of side flexible subassembly (3) is provided with and is fixed with side guide frame (6), and the slip has slider (7) in side guide frame (6), rotates on slider (7) and is connected with roller (8), is provided with mount (9) on fixed plate (4), is provided with on mount (9) and is used for driving drive assembly (10) that roller (8) removed.
  2. 2. The laminating positioning device for liquid crystal display production according to claim 1, wherein the side telescopic assembly (3) comprises a fixed cylinder (11), two groups of movable rods (12), a threaded hole (13) and a double-threaded screw (14), a first driving motor (15), a first driving wheel (16) and a first driving belt (17), the fixed cylinder (11) is fixed on the lower surface of the placing plate (1) and is positioned on a symmetrical shaft of the fixed cylinder, the two groups of movable rods (12) are movably connected to the fixed cylinder (11), the two groups of movable rods (12) are movably arranged in the fixed cylinder (11), the threaded hole (13) is formed in the opposite surfaces of the two groups of movable rods (12), the double-threaded screw (14) is rotatably connected to the inside of the fixed cylinder (11), the threaded hole (13) is movably sleeved on the surface of the double-threaded screw (14), the first driving motor (15) is fixed on the lower surface of the placing plate (1), the first driving wheel (16) is two groups, the two groups of first driving wheels (16) are respectively sleeved on the double-threaded screw (14) and the driving belt (17) of the first driving motor (15).
  3. 3. The laminating positioning device for liquid crystal display production according to claim 2, wherein the lower positioning assembly (5) comprises a positioning plate (18), a positioning shaft (19), a rotary side rod (20) and a tension spring (21), the positioning plate (18) is fixed at the bottom of the fixed plate (4), the positioning shaft (19) is fixed on the side surface of the positioning plate (18), the rotary side rod (20) is rotatably sleeved on the positioning shaft (19), one end of the tension spring (21) is fixed at the bottom end of the rotary side rod (20), and the other end of the tension spring (21) is fixed at the top of the positioning plate (18).
  4. 4. A film-covered positioning device for liquid crystal display production according to claim 3, characterized in that the bottom of the positioning plate (18) is provided with a rotating block (22), and the bottom end of the tension spring (21) is fixed on the upper surface of the rotating block (22).
  5. 5. The film-covered positioning device for liquid crystal display production according to claim 4, wherein the driving assembly (10) comprises a second driving motor (23), a movable frame (24) and a threaded screw rod (25), the second driving motor (23) is fixed on the side face of the fixed frame (9), the threaded screw rod (25) is rotationally connected to the fixed frame (9), an output shaft of the second driving motor (23) is fixedly connected with one end of the threaded screw rod (25), one end of the movable frame (24) is fixed on the surface of the sliding block (7), and threads of the movable frame (24) are sleeved on the surface of the threaded screw rod (25).
  6. 6. The laminating positioning device for liquid crystal display production according to claim 5, wherein the surface of the sliding block (7) is further provided with an upper positioning component (26), the upper positioning component (26) comprises a side positioning frame (27), a double-end threaded rod (28), a through hole (29), a telescopic rod (30), a sleeve plate (31), a side positioning wheel (32), a third driving motor (33), a second driving wheel (34) and a second driving belt (35), the side positioning frame (27) is fixed on the surface of the sliding block (7), the double-end threaded rod (28) is rotatably connected to the side positioning frame (27), the through hole (29) is formed in the sliding block (7), the telescopic rod (30) moves in the through hole (29), the side positioning wheel (32) is arranged at one end of the telescopic rod (30), the other end of the telescopic rod (30) is fixed with the sleeve plate (31), the sleeve plate (31) is sleeved on the surface of the threaded rod (28), the third driving motor (33) is fixed on the moving frame (24), the second driving wheel (34) is in two groups, and the two groups of motors are sleeved on the two groups of driving wheels and the second driving motor (34) are fixed on the double ends of the threaded rod (28).

Description

Tectorial membrane positioner is used in LCD screen production Technical Field The utility model relates to the technical field of liquid crystal display production equipment, in particular to a film-covering positioning device for liquid crystal display production. Background The LCD screen is a widely applied display technology, is widely applied to televisions, computers and smart phones, and needs to be subjected to film coating operation in the production process of the LCD screen, and the purpose of the film coating operation is to protect the screen, so that the screen is not easy to scratch and collide in the production process of the screen, and the experience is improved. In the laminating process of the liquid crystal display, the film is generally attached and is directly guided by adopting a roller, the guiding width of the roller is not easy to adjust, if the film is not positioned, the film can be bent, deviated and the like in the attaching process, and the integral quality of the laminating film is affected. Therefore, how to provide a film-coating positioning device for producing a liquid crystal display is a problem to be solved by those skilled in the art. Disclosure of utility model The utility model aims to provide a film laminating positioning device for liquid crystal display production, which solves the problems that in the prior art, a film is difficult to bend and deviate when attached due to no positioning caused by the width of a roller in the process of guiding the film by the roller. The film covering positioning device for the production of the liquid crystal display comprises a placing plate, wherein a display screen body is movably placed at the top of the placing plate, a side telescopic assembly is arranged at the bottom of the placing plate, a fixing plate is arranged on the end face of the side telescopic assembly, a lower positioning assembly is arranged on the side face of the fixing plate, a side guide frame is fixed at the bottom of the side telescopic assembly, a sliding block is arranged in the side guide frame in a sliding mode, a roller is connected to the sliding block in a rotating mode, a fixing frame is arranged on the fixing plate, and a driving assembly for driving the roller to move is arranged on the fixing frame. The side telescopic assembly comprises a fixed cylinder, two groups of movable rods, threaded holes, double-threaded screws, a first driving motor, a first driving wheel and a first driving belt, wherein the fixed cylinder is fixed on the lower surface of a placing plate and is located on a symmetrical shaft of the placing plate, the two groups of movable rods are movably connected to the fixed cylinder, the two groups of movable rods are movably arranged in the fixed cylinder, the threaded holes are formed in opposite surfaces of the two groups of movable rods, the double-threaded screws are rotatably connected to the inside of the fixed cylinder, the threaded holes are movably sleeved on the surfaces of the double-threaded screws, the first driving motor is fixed on the lower surface of the placing plate, the two groups of first driving wheels are respectively sleeved on the surfaces of the double-threaded screws and the output shaft of the first driving motor, and the first driving belt is movably sleeved on the surface of the first driving wheel. The lower locating component comprises a locating plate, a locating shaft, a rotating side rod and a tension spring, wherein the locating plate is fixed at the bottom of the fixing plate, the locating shaft is fixed on the side face of the locating plate, the rotating side rod is rotationally sleeved on the locating shaft, one end of the tension spring is fixed at the bottom end of the rotating side rod, and the other end of the tension spring is fixed at the top of the locating plate. The bottom of locating plate is provided with the rotating block, and the bottom of extension spring is fixed at the upper surface of rotating block. The driving assembly comprises a second driving motor, a movable frame and a threaded screw rod, wherein the second driving motor is fixed on the side face of the fixed frame, the threaded screw rod is rotationally connected to the fixed frame, an output shaft of the second driving motor is fixedly connected with one end of the threaded screw rod, one end of the movable frame is fixed on the surface of the sliding block, and threads of the movable frame are sleeved on the surface of the threaded screw rod. The surface of slider still is provided with locating component, go up locating component in including the side locating rack, the bi-polar threaded rod, the through-hole, the telescopic link, the sleeve board, the side locating wheel, third driving motor, second drive wheel and second drive belt, the side locating rack is fixed on the surface of slider, the bi-polar threaded rod rotates to be connected on the side locating rack, the through-hole is seted up on the sl