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CN-120972407-B - Liquid crystal display polaroid attaching machine and attaching process thereof

CN120972407BCN 120972407 BCN120972407 BCN 120972407BCN-120972407-B

Abstract

The invention relates to the technical field of polaroid attachment and discloses a liquid crystal display polaroid attachment machine and an attachment process thereof, wherein the liquid crystal display polaroid attachment machine comprises a base, a first support column is fixedly connected to the top of the base, a second support column is fixedly connected to the top of the base, a shell is fixedly connected to the top of the base, an observation window is fixedly connected to the front end of the shell, a pushing component is fixedly connected to the top of the second support column, a film attaching mechanism is fixedly connected to the inner wall of the shell, synchronous attachment operation of polaroids on the upper side and the lower side of a liquid crystal display can be realized through the arrangement of the film attaching mechanism, when the display is pushed to a processing area, the upper vacuum adsorption plate and the lower vacuum adsorption plate can be synchronously contacted with the surface of the display, single-side fractional attachment and turnover operation are not needed like the prior art, the attachment period is greatly shortened, the processing efficiency is improved, the problem of dislocation of the position of the polaroids caused by secondary positioning is avoided, and the yield in production is ensured.

Inventors

  • YU XINAN
  • Jing Xingmei
  • ZHANG XINKUN

Assignees

  • 湖北欧雷登显示科技有限公司

Dates

Publication Date
20260512
Application Date
20250926

Claims (6)

  1. 1. The utility model provides a liquid crystal display polaroid attaching machine, includes base (1), the top fixedly connected with first support column (101) of base (1), the top fixedly connected with second support column (102) of base (1), the top fixedly connected with shell (103) of base (1), the front end fixedly connected with observation window (104) of shell (103), its characterized in that, the top fixedly connected with of second support column (102) promotes subassembly (2), the inner wall fixedly connected with pad pasting mechanism (3) of shell (103); The film sticking mechanism (3) comprises: The device comprises a first movable device (301), wherein the inner wall of a shell (103) is fixedly connected with the first movable device (301), the inner wall of the movable end of the first movable device (301) is fixedly connected with a telescopic device (302), the bottom of the telescopic device (302) is fixedly connected with a bottom plate (303), the bottom of the bottom plate (303) is fixedly connected with a connecting frame (307), the inner sides of the two ends of the bottom of the connecting frame (307) are fixedly connected with first connecting columns (308), the outer wall of the first connecting columns (308) is rotatably connected with a bottom assembly (31) through bearings, a linear motor is arranged in the second movable device (301), the horizontal position of the bottom assembly (31) can be controlled, and the telescopic device (302) can control the height of the bottom assembly (31); the front end of the bottom plate (303) is connected with a front plate (304), the front end of the front plate (304) is fixedly connected with a connector (305), the outer wall of the connector (305) is rotatably connected with a second push rod (306) through a bearing, and the deflection angle of the bottom assembly (31) can be changed by stretching and retracting the second push rod (306); The bottom of one end of the bottom plate (303) far away from the front plate (304) is fixedly connected with a rear plate (309), one side of the rear plate (309) far away from the bottom plate (303) is fixedly connected with a third push rod (3010), one end of the third push rod (3010) far away from the rear plate (309) is fixedly connected with a first connecting plate (3011), one end of the first connecting plate (3011) far away from the third push rod (3010) is fixedly connected with a locking plate (3012), and the positions of the first connecting plate (3011) and the locking plate (3012) can be changed by stretching and retracting the third push rod (3010); The bottom assembly (31) comprises a second connecting plate (311), connecting holes (312) are formed in two sides of the second connecting plate (311), the inner wall of the connecting hole (312) is rotationally connected with the first connecting column (308) through a bearing, a locking hole (313) is formed in the rear side of the second connecting plate (311), the inner wall of the locking hole (313) is movably connected with the locking plate (3012), and the deflection angle of the bottom assembly (31) is locked by embedding the locking plate (3012) into the locking hole (313); The front end of the second connecting plate (311) is fixedly connected with a third frame (314), the bottom of the third frame (314) is fixedly connected with an adsorption component (32), both sides of the front end of the third frame (314) are fixedly connected with first connecting rods (315), the inner sides of one ends of the two first connecting rods (315) far away from the third frame (314) are fixedly connected with second connecting columns (316), the outer wall of each second connecting column (316) is rotationally connected with a second push rod (306) through a bearing, and the second push rods (306) change the integral deflection angle of the bottom component (31) by pulling the second connecting columns (316); The adsorption component (32) comprises vacuum adsorption plates (321), and the upper group of vacuum adsorption plates (321) and the lower group of vacuum adsorption plates (321) of equipment configuration respectively correspond to the upper surface and the lower surface of the display screen, so that the display screen can synchronously complete the polaroid attaching operation on the upper side and the lower side in the process of passing through the film attaching mechanism (3).
  2. 2. The polarizer attaching machine for liquid crystal display screens according to claim 1, wherein a first outer frame (105) is fixedly connected to the top of the first support column (101), a driving wheel (106) is rotatably connected to the inside of the first outer frame (105) through a bearing, and a transmission gear set driven by a servo motor is arranged in the first outer frame (105) and is in transmission connection with all the driving wheels (106) in the first outer frame (105); after the servo motor is started, the transmission gear set drives all driving wheels (106) to synchronously rotate, so that the driving wheels (106) can conveniently drive the display screen for finishing film pasting to move.
  3. 3. The liquid crystal display polaroid attaching machine according to claim 2, wherein the bottom of the vacuum adsorption plate (321) is used for adsorbing a polaroid which needs to be adhered to a display, two sides of the vacuum adsorption plate (321) are fixedly connected with sliding columns (322), the outer walls of the sliding columns (322) are movably connected with auxiliary components (33), the top of the vacuum adsorption plate (321) is fixedly connected with a suction device (323), the outer walls of the suction device (323) are fixedly connected with connecting pipes (324), one ends of the connecting pipes (324) away from the suction device (323) are fixedly connected with the vacuum adsorption plate (321), and the suction device (323) is used for sucking air and providing power for vacuum adsorption of the vacuum adsorption plate (321).
  4. 4. The polarizer attaching machine for liquid crystal display screens according to claim 3, wherein the auxiliary assembly (33) comprises a track (331), the outer wall of the third frame (314) is fixedly connected with the track (331), a first slider (332) is movably connected to the outer wall of the track (331), a second slider (333) is fixedly connected to one side, far away from the track (331), of the first slider (332), a third connecting plate (334) is fixedly connected to the top of the first slider (332), a second connecting rod (335) is rotatably connected to the outer wall of the third connecting plate (334) through a bearing, one end, far away from the third connecting plate (334), of the second connecting rod (335) is rotatably connected with the front plate (304) through a bearing, and the position of the first slider (331) on the track (331) can be changed through the second connecting rod (332) in deflection of the bottom assembly (31).
  5. 5. The liquid crystal display polaroid attaching machine according to claim 4, wherein the outer wall of the sliding column (322) is movably connected with a movable plate (336), one side of the movable plate (336) away from the vacuum adsorption plate (321) is fixedly connected with a rectangular plate (337), the front end of the rectangular plate (337) is fixedly connected with a third connecting rod (338), one end of the third connecting rod (338) away from the rectangular plate (337) is rotatably connected with a pressure roller (339) through a bearing, one end of the rectangular plate (337) away from the third connecting rod (338) is fixedly connected with a chute plate (3310), the inner wall of the chute plate (3310) is movably connected with a second sliding block (333), the extending distance of the pressure roller (339) can be changed by moving the second sliding block (333), and the elasticity of the elastic component (3311) can enable the pressure roller (339) to have a certain movable space.
  6. 6. A process for attaching a polaroid to a liquid crystal display screen, which is applied to the liquid crystal display screen polaroid attaching machine as claimed in claim 5, and is characterized by comprising the following steps: S1, when the polarizer attaching work is needed to be carried out on the liquid crystal display, stably placing the unprocessed liquid crystal display on a pushing component (2), and then starting a pushing device in the pushing component (2) to push the unprocessed display to a processing area of a film attaching mechanism (3); The suction device (323) of the suction assembly (32) is started before, negative pressure is generated at the bottom of the vacuum suction plate (321) through the connecting pipe (324), the polaroid to be attached is sucked, and the upper group of vacuum suction plates (321) and the lower group of vacuum suction plates of the equipment are respectively corresponding to the upper surface and the lower surface of the display screen, so that the attachment operation of the polaroid on the upper side and the lower side can be synchronously completed in the process of the display screen through the film attaching mechanism (3); S2, in the process that the liquid crystal display passes through the film pasting mechanism (3), the front-stage conveying relies on continuous pushing of the pushing component (2) to ensure that the display stably enters the film pasting mechanism (3); When the display screen part is attached and extends out of the film attaching mechanism (3), the driving mechanism of the first outer frame (105) drives the driving wheel (106) to rotate, the subsequent conveying of the display screen is completed through the friction force between the driving wheel (106) and the surface of the display screen, and finally the finished display screen with the polaroid attached completely is conveyed to a collecting area outside the device; S3, after finishing attaching work of the single liquid crystal display screen polaroid, firstly starting a third push rod (3010) to shrink, driving a locking plate (3012) to be pulled out of a locking hole (313), and unlocking the angle locking of the bottom component (31); then the second push rod (306) is started to shrink, and the bottom component (31) is pulled to deflect to a horizontal angle; subsequently, a second moving device (301) is started to drive the bottom assembly (31) to horizontally move to the polaroid replenishing station; Finally, starting the telescopic device (302) to extend, driving the bottom assembly (31) to descend, enabling the vacuum adsorption plate (321) to be attached to a new polaroid to be supplied, and simultaneously starting the suction device (323) to adsorb and fix the new polaroid at the bottom of the vacuum adsorption plate (321) to complete polaroid supply; s4, after the adsorption of the new polaroid is completed, firstly starting the telescopic device (302) to shrink, and driving the bottom component (31) to move to a preset height; starting the second moving device (301) again, and driving the bottom assembly (31) to reset to an attaching station of the film attaching mechanism (3); then the second push rod (306) is started to push out, and the bottom component (31) is adjusted to reach a preset deflection angle; After the angle adjustment is finished, the third push rod (3010) is started to extend, the locking plate (3012) is driven to be embedded into the locking hole (313), the deflection angle of the bottom assembly (31) is locked, and the subsequent attaching stability is ensured; And finally, pushing the new unprocessed liquid crystal display into an attaching station of the film attaching mechanism (3) through the pushing component (2), and enabling the equipment to enter the next polaroid attaching.

Description

Liquid crystal display polaroid attaching machine and attaching process thereof Technical Field The invention relates to the technical field of polaroid attachment, in particular to a liquid crystal display polaroid attachment machine and an attachment process thereof. Background The polarizer is an optical film which is formed by compounding multiple layers of high polymer materials and has the function of generating polarized light, natural light without polarized light is converted into polarized light by the polarizer, so that light rays in the vertical direction with an electric field pass through the polarizer, and the liquid crystal display panel can normally display images and is an indispensable part of liquid crystal display imaging. In the back-end manufacturing process of the liquid crystal display, it is necessary to attach the polarizer to the liquid crystal display substrate to which the flexible circuit board has been attached. The utility model discloses a liquid crystal display polaroid attaching machine, which comprises a fixed base, the upper wall of fixing base is equipped with the removal groove, the diapire of removal groove is equipped with the base plate standing groove, the slip is equipped with the removal seat in the removal groove, be equipped with polaroid dyestripping subassembly in the removal seat, the upper wall of removal seat is equipped with the polaroid and places the subassembly, be equipped with the linkage subassembly on polaroid dyestripping subassembly and the removal seat, the front end of removal seat is equipped with automatic attached subassembly, be equipped with the removal subassembly between removal seat and the fixing base, this equipment structure is simple, need not robotic arm and sensor and accomplish the dyestripping of polaroid voluntarily, has reduced the damage that the manual work led to the fact the polaroid to ingenious utilization slide formula's butt joint slide rail makes the polaroid attached on liquid crystal display base plate more convenient. When the existing equipment is used, single-side lamination is adopted for multiple times, so that the operation flow is complex, the lamination efficiency is low, the lamination positions of the polaroids on two sides are misplaced easily due to secondary positioning reference deviation, the consistency of the lamination precision during mass production is not facilitated, the product reject ratio is increased due to additional turnover and positioning procedures, and the production cost is increased. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a polaroid attaching machine for a liquid crystal display screen and an attaching process thereof, so as to solve the problems in the prior art. In order to achieve the above purpose, the invention provides the following technical scheme that the liquid crystal display polaroid attaching machine comprises a base, wherein the top of the base is fixedly connected with a first support column, the top of the base is fixedly connected with a second support column, the top of the base is fixedly connected with a shell, the front end of the shell is fixedly connected with an observation window, the top of the second support column is fixedly connected with a pushing assembly, and the inner wall of the shell is fixedly connected with a film attaching mechanism; the film pasting mechanism comprises: The inner wall of shell and second mobile device fixed connection, the inner wall fixedly connected with telescoping device of second mobile device mobile terminal, the bottom fixedly connected with bottom plate of telescoping device, the bottom fixedly connected with link of bottom plate, the inboard at link both ends bottom both ends all fixedly connected with first spliced pole, the outer wall of first spliced pole is connected with bottom subassembly through the bearing rotation, and wherein the inside linear electric motor that is provided with of second mobile device can control bottom subassembly's horizontal position, and telescoping device can control bottom subassembly's height, through setting up pad pasting mechanism, can realize the synchronous attached operation of both sides polaroid about the liquid crystal display, when the display is pushed to the processing region, upper and lower two sets of vacuum adsorption plates can be synchronous with the display surface contact, need not to carry out unilateral attached and turn over the operation of dividing like prior art, had both shortened attached cycle by a wide margin, had promoted machining efficiency, had avoided the polaroid position dislocation problem that secondary location leads to again, had ensured the yields when having produced. According to the technical scheme, the top of the first support column is fixedly connected with the first outer frame, the inside of the first outer frame is rotationally connected with the driving wheels through the bearings, t