CN213182246U - Polarizing plate attaching mechanism of liquid crystal display - Google Patents
Polarizing plate attaching mechanism of liquid crystal display Download PDFInfo
- Publication number
- CN213182246U CN213182246U CN202022185727.5U CN202022185727U CN213182246U CN 213182246 U CN213182246 U CN 213182246U CN 202022185727 U CN202022185727 U CN 202022185727U CN 213182246 U CN213182246 U CN 213182246U
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- China
- Prior art keywords
- polarizing plate
- plate
- frame
- conveying
- film tearing
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- Expired - Fee Related
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 21
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Landscapes
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
The utility model discloses a polarizing plate attaching mechanism of a liquid crystal screen, which comprises a glass conveying mechanism, a film tearing mechanism, a polarizing plate conveying mechanism and a film attaching mechanism which are arranged on a frame; the glass conveying mechanism comprises a power mechanism arranged at the top of the frame and a conveying plate connected with the power mechanism, and a first suction nozzle connected with an external negative pressure source is arranged at the bottom of the conveying plate; the polarizing plate conveying mechanism comprises a conveying platform arranged horizontally and a rodless cylinder fixed on one side of the rack; the film tearing mechanism comprises a fixed frame horizontally and fixedly connected to one side of the rack and a film tearing device movably arranged on the fixed frame; the film sticking mechanism comprises a rotating plate and a connecting frame, and the bottom of the connecting frame is fixed on the rack through a second cylinder which is vertically arranged; one end of the rotating plate is rotatably connected to one side of the connecting frame through a rotating cylinder. The utility model provides a pair of attached mechanism of polarizing plate of LCD screen, the attached efficient of polarizing plate can have avoided the foreign matter adhesion that the many times transport of polarizing plate arouses, the condition of polarizing plate dislocation.
Description
Technical Field
The utility model belongs to liquid crystal display processing field, concretely relates to attached mechanism of polarizing plate of liquid crystal display.
Background
In the liquid crystal display processing technology, a polarizing plate is required to be attached to glass of a liquid crystal panel, the polarizing plate can enable natural light to generate polarization, and light entering a liquid crystal display is polarized light. When the polarizing plate is attached, the release film on the polarizing plate needs to be torn off. The polarizing plate and the release film are bonded by pressure-sensitive adhesive, and the release film is torn off to expose the pressure-sensitive adhesive layer of the polarizing plate and adhere the adhesive layer to glass.
The current attached mechanism of polarizing plate will tear membrane mechanism, the attached device of polarizing plate and separately set up usually, expose the pressure-sensitive adhesive layer outside after tearing from the type membrane on the polarizing plate in polarizing plate transmission process, can appear foreign matter or dust and glue the condition of gluing on the adhesive layer, can seriously influence the quality of LCD screen processing. In addition the polarizing plate need be carried to attaching the mechanism and attached after accomplishing the dyestripping operation, and the location that can arouse the polarizing plate undoubtedly of many times transport operation of polarizing plate produces the deviation, and can appear misplacing with liquid crystal display glass when the polarizing plate of dystopy is attached and attach, seriously influences the quality of LCD screen.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide an attached mechanism of polarizing plate of LCD screen can realize the attached operation of dyestripping to the polarizing plate on a station, and the attached efficiency of polarizing plate is high, can avoid because foreign matter adhesion, the condition of polarizing plate dislocation that the polarizing plate transport arouses many times.
In order to realize the purpose, the utility model discloses a technical scheme be:
a polarizing plate attaching mechanism of a liquid crystal display comprises a glass conveying mechanism, a film tearing mechanism, a polarizing plate conveying mechanism and a film attaching mechanism which are arranged on a rack; the glass conveying mechanism comprises a power mechanism arranged at the top of the frame and a conveying plate connected with the power mechanism, and a first suction nozzle connected with an external negative pressure source is arranged at the bottom of the conveying plate;
the polarizing plate conveying mechanism comprises a horizontally arranged conveying platform and a rodless cylinder fixed on one side of the rack; the carrying platform comprises a carrying plate and a second suction nozzle which is arranged at the bottom of the carrying plate and connected with an external negative pressure source; a sliding block is sleeved on a sliding rod of the rodless cylinder, a first cylinder is vertically and downwards fixedly arranged on the sliding block, and one end of the carrying plate is fixedly connected to the output end of the first cylinder;
the film tearing mechanism comprises a fixed frame horizontally and fixedly connected to one side of the rack and a film tearing device movably arranged on the fixed frame; the film tearing device comprises a movable frame, wherein a conveying roller connected with a driving device is mounted on the movable frame, the film tearing roller is arranged on one side of the bottom of the movable frame, which is close to the polarizing plate conveying mechanism, slide rails are horizontally arranged on two sides of the movable frame, racks are arranged in the slide rails, and the racks are connected with the output end of a first motor mounted on the fixed frame through a gear structure; the adhesive tape roll is arranged on the conveying roller and the film tearing roller;
the film sticking mechanism comprises a rotating plate and a connecting frame, and the bottom of the connecting frame is fixed on the rack through a second cylinder which is vertically arranged; one end of the rotating plate is rotatably connected to one side of the connecting frame through a rotating cylinder; and the rotating plate is provided with a negative pressure suction port connected with a negative pressure source.
Preferably, two ends of the film tearing roller are connected with a fixing frame of the film tearing mechanism through a buffer device, the buffer device comprises a first connecting rod and a second connecting rod, the middle part of the horizontally arranged first connecting rod is rotatably connected to the fixing frame, the film tearing roller is arranged at one end of the first connecting rod, the other end of the first connecting rod is hinged with the bottom end of the vertically arranged second connecting rod, and the upper end of the second connecting rod upwards penetrates through a sliding opening formed in the fixing frame and is fixedly provided with a limiting wheel; and a tension spring is arranged between the wheel shaft of the limiting wheel and the fixing frame.
Preferably, a backing plate is further fixedly arranged on the rotating plate, and the negative pressure suction port is arranged on the backing plate.
Preferably, the bottom of one end of the rotating plate, which is far away from the rotating cylinder, is provided with a buffer block, and the buffer block is matched with a fixed block on the connecting frame.
Preferably, the power mechanism comprises a second motor and a screw rod, the screw rod is horizontally arranged at the top of the rack, and the output end of the second motor fixed on the rack is connected with the screw rod through a gear structure; the screw rod is sleeved with a moving block in a threaded manner, and the top of the conveying plate is fixedly connected with the moving block.
The utility model discloses the beneficial effect who has does:
1. with the attached device of dyestripping mechanism, polarizing plate separately set up among the prior art, occupation space is big, polarizing plate transmission easily glues glutinous foreign matter, the location is inaccurate to be compared, the utility model discloses an ingenious structural design is provided with glass conveying mechanism, dyestripping mechanism, polarizing plate conveying mechanism and pad pasting mechanism in the frame, has saved the workshop area occupied greatly to effectively avoided the polarizing plate to transmit the problem of gluing the glutinous foreign matter that the transport caused and heterotopic between different stations, attached efficiency is high, has stronger practicality.
2. Can drive the back-and-forth movement of first cylinder and transport board through the action of rodless cylinder, the oscilaltion operation of transport board is realized in the action of first cylinder, and then realizes that the polarizing plate snatchs the back from last station, places the polarizing plate of taking the dyestripping on pad pasting mechanism, has greatly improved the transport removal operation of polarizing plate, is showing the attached work efficiency of whole polarizing plate that improves.
3. In spacing round of action down in-process, can stretch the extension spring, not only provide the restoring force for the reseing of dyestripping running roller, the elastic force of extension spring loops through spacing round, second connecting rod, head rod and plays the cushioning effect for the contact of dyestripping running roller and polarizing plate, has effectively avoided dyestripping running roller and polarizing plate rigid contact, causes the damage to the surface of polarizing plate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of the film tearing roller of the present invention.
Detailed Description
As shown in fig. 1-3, the polarizer attaching mechanism for liquid crystal display includes a glass conveying mechanism, a film tearing mechanism 4, a polarizer conveying mechanism 5 and a film attaching mechanism mounted on a frame 1. The glass conveying mechanism comprises a power mechanism arranged at the top of the frame 1 and a conveying plate 21 connected with the power mechanism, a first suction nozzle connected with an external negative pressure source is arranged at the bottom of the conveying plate 21, and the glass 3 of the liquid crystal screen can be firmly fixed below the conveying plate 21 through negative pressure adsorption of the first suction nozzle. The power mechanism comprises a second motor 20 and a screw, the screw is horizontally arranged at the top of the rack 1, and the output end of the second motor 20 fixed on the rack 1 is connected with the screw through a gear structure; the screw rod is sleeved with a moving block in a threaded manner, and the top of the conveying plate 21 is fixedly connected with the moving block. The second motor 20 drives the screw to move, so that the moving block drives the conveying plate 21 to move left and right on the screw, and the glass 3 is conveyed and moved by the glass conveying mechanism.
The polarizing plate conveying mechanism 5 comprises a horizontally arranged conveying platform and a rodless cylinder 50 fixed on one side of the rack 1; the carrying platform comprises a carrying plate 53 and a second suction nozzle which is arranged at the bottom of the carrying plate 53 and connected with an external negative pressure source; a slide block 51 is sleeved on a slide rod of the rodless cylinder 50, a first cylinder 52 is vertically and downwards fixedly arranged on the slide block 51, and one end of a carrying plate 53 is fixedly connected to the output end of the first cylinder 52. The first air cylinder 52 and the carrying plate 53 can be driven to move back and forth through the action of the rodless air cylinder 50, the first air cylinder 52 moves to realize the up-and-down lifting operation of the carrying plate 53, and then the polarizing plate 7 with the tear film is placed on the film sticking mechanism after the polarizing plate 7 is grabbed from the previous station, so that the carrying moving operation of the polarizing plate 7 is greatly improved, and the working efficiency of the whole polarizing plate 7 attachment is obviously improved.
The film tearing mechanism 4 comprises a fixed frame 41 horizontally and fixedly connected to one side of the frame 1 and a film tearing device movably arranged on the fixed frame 41. The film tearing device comprises a movable frame 42, a connecting driving device and a conveying roller 421 for adhering a release film are mounted on the movable frame 42, and a film tearing roller 45 is arranged at one side of the bottom of the movable frame 42, which is close to the polarizing plate 7 conveying mechanism 5. Wherein, the adhesive tape 44 for adhering the release film is wound on the conveying roller 421 and the film tearing roller 45.
Two ends of the film tearing roller 45 are connected with a fixed frame 41 of the film tearing mechanism 4 through a buffer device, the buffer device comprises a first connecting rod 46 and a second connecting rod 47, the middle part of the horizontally arranged first connecting rod 46 is rotatably connected to the fixed frame 41, the film tearing roller 45 is arranged at one end of the first connecting rod 46, the other end of the first connecting rod 46 is hinged with the bottom end of the vertically arranged second connecting rod 47, and the upper end of the second connecting rod 47 upwards penetrates through a sliding opening arranged on the fixed frame 41 and is fixedly provided with a limiting wheel 48; a tension spring 49 for resetting is arranged between the wheel shaft of the limiting wheel 48 and the fixed frame 41. When the tearing roller 45 with the adhesive tape 44 is contacted with the release film of the polarizing plate 7 on the rotating plate 64, the right end of the first connecting rod 46 is lifted upwards under the driving of the tearing roller 45, and the left end of the first connecting rod 46 drives the second connecting rod 47 hinged with the first connecting rod to move downwards under the action of a lever principle, so that the limiting wheel 48 moves downwards until the limiting wheel is abutted against the upper surface of the fixing frame 41, and the limiting operation of the upward movement of the tearing roller 45 is realized; in the downward movement process of the limiting wheel 48, the tension spring 49 can be stretched, restoring force is provided for the resetting of the film tearing roller wheel 45, the elastic acting force of the tension spring 49 sequentially passes through the limiting wheel 48, the second connecting rod 47 and the first connecting rod 46 to play a role in buffering the contact between the film tearing roller wheel 45 and the polarizing plate 7, and the film tearing roller wheel 45 is effectively prevented from being in rigid contact with the polarizing plate 7 to damage the surface of the polarizing plate 7.
The two sides of the movable frame 42 are horizontally provided with slide rails 43, racks are arranged in the slide rails 43, and the racks are connected with the output end of the first motor 411 arranged on the fixed frame 41 through a gear structure. The first motor 411 acts to drive the rack to move through a gear, so that the movable frame 42 moves left and right; tear the pressure-sensitive glue layer that exposes on it from the parting film by polarizing plate 7 one side, make the utility model discloses a polarizing plate 7 operation of tearing the film is more high-efficient quick.
The film sticking mechanism comprises a rotating plate 64 and a connecting frame 61, the bottom of the connecting frame 61 is fixed on the rack 1 through a second air cylinder 62 which is vertically arranged, and the integral lifting operation of the connecting frame 61 and the rotating plate 64 is realized through the action of the second air cylinder 62. One end of the rotating plate 64 is rotatably connected to one side of the connecting frame 61 through a rotating cylinder 63; a rubber pad 65 is fixed to the rotating plate 64, a negative pressure suction port 651 is provided in the pad 65, and the polarizing plate 7 is fixed to the pad 65 of the rotating plate 64 by suction. The bottom of one end of the rotating plate 64 far away from the rotating cylinder 63 is provided with a buffer block 66, and the buffer block 66 is matched with the fixed block on the connecting frame 61, so that the rotating plate 64 can be effectively supported.
When the utility model is used, the glass conveying mechanism conveys the glass 3 of the liquid crystal screen to the position above the film sticking mechanism, the rodless cylinder 50 of the polarizing plate conveying mechanism 5 drives the polarizing plate 7 which is adsorbed and fixed below the conveying plate 53 to move to the position above the film sticking mechanism, the first cylinder 52 extends downwards to move, the polarizing plate 7 is placed on the backing plate 65 of the film sticking mechanism, the polarizing plate 7 is adsorbed and fixed through the negative pressure suction port 651, and the rodless cylinder 50 and the first cylinder 52 of the polarizing plate conveying mechanism 5 are reset; the first motor 411 of the film tearing mechanism 4 is matched with the rack to drive the film tearing roller 45 on one side of the bottom of the movable frame 42 to move rightwards to the upper part of the rightmost side of the polarizing plate 7, then the second cylinder 62 of the film sticking mechanism moves upwards to drive the upper surface of the polarizing plate 7 on the horizontally arranged rotating plate 64 to be tightly adhered to the adhesive tape 44 on the film tearing roller 45, then the movable frame 42 horizontally moves leftwards through the matching of the first motor 411 and the rack, and the driving device on the conveying roller 421 is matched to tear the release film on the polarizing plate 7 leftwards to expose the pressure sensitive adhesive layer; and starting the rotary cylinder 63 to enable the rotary plate 64 to rotate anticlockwise upwards until the right side of the polarizing plate 7 is abutted and attached to the rightmost side of the glass 3 fixed at the bottom of the glass conveying mechanism, and enabling the glass 3 below the conveying plate 21 to horizontally move rightwards under the action of the power mechanism, so that the polarizing plate 7 can be tightly adhered to the glass 3.
Claims (5)
1. The utility model provides an attached mechanism of polarizing plate of LCD screen which characterized in that: comprises a glass conveying mechanism, a film tearing mechanism, a polarizing plate conveying mechanism and a film sticking mechanism which are arranged on a rack; the glass conveying mechanism comprises a power mechanism arranged at the top of the frame and a conveying plate connected with the power mechanism, and a first suction nozzle connected with an external negative pressure source is arranged at the bottom of the conveying plate;
the polarizing plate conveying mechanism comprises a horizontally arranged conveying platform and a rodless cylinder fixed on one side of the rack; the carrying platform comprises a carrying plate and a second suction nozzle which is arranged at the bottom of the carrying plate and connected with an external negative pressure source; a sliding block is sleeved on a sliding rod of the rodless cylinder, a first cylinder is vertically and downwards fixedly arranged on the sliding block, and one end of the carrying plate is fixedly connected to the output end of the first cylinder;
the film tearing mechanism comprises a fixed frame horizontally and fixedly connected to one side of the rack and a film tearing device movably arranged on the fixed frame; the film tearing device comprises a movable frame, wherein a conveying roller connected with a driving device is mounted on the movable frame, the film tearing roller is arranged on one side of the bottom of the movable frame, which is close to the polarizing plate conveying mechanism, slide rails are horizontally arranged on two sides of the movable frame, racks are arranged in the slide rails, and the racks are connected with the output end of a first motor mounted on the fixed frame through a gear structure; the adhesive tape roll is arranged on the conveying roller and the film tearing roller;
the film sticking mechanism comprises a rotating plate and a connecting frame, and the bottom of the connecting frame is fixed on the rack through a second cylinder which is vertically arranged; one end of the rotating plate is rotatably connected to one side of the connecting frame through a rotating cylinder; and the rotating plate is provided with a negative pressure suction port connected with a negative pressure source.
2. The polarizer attachment mechanism for liquid crystal panels of claim 1, wherein: the film tearing mechanism comprises a film tearing roller and a film tearing mechanism, wherein two ends of the film tearing roller are connected with a fixing frame of the film tearing mechanism through a buffer device, the buffer device comprises a first connecting rod and a second connecting rod, the middle part of the horizontally arranged first connecting rod is rotatably connected onto the fixing frame, the film tearing roller is arranged at one end of the first connecting rod, the other end of the first connecting rod is hinged with the bottom end of the vertically arranged second connecting rod, and the upper end of the second connecting rod upwards penetrates through a sliding opening formed in the fixing frame and is fixedly provided with a limiting wheel; and a tension spring is arranged between the wheel shaft of the limiting wheel and the fixing frame.
3. The polarizer attachment mechanism for liquid crystal panels of claim 2, wherein: the rotating plate is also fixedly provided with a backing plate, and the negative pressure suction port is arranged on the backing plate.
4. The polarizer attachment mechanism for liquid crystal displays according to claim 3, wherein: the bottom of one end of the rotating plate, which is far away from the rotating cylinder, is provided with a buffer block, and the buffer block is matched with a fixed block on the connecting frame.
5. The polarizer attachment mechanism for liquid crystal displays according to claim 3, wherein: the power mechanism comprises a second motor and a screw rod, the screw rod is horizontally arranged at the top of the rack, and the output end of the second motor fixed on the rack is connected with the screw rod through a gear structure; the screw rod is sleeved with a moving block in a threaded manner, and the top of the conveying plate is fixedly connected with the moving block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022185727.5U CN213182246U (en) | 2020-09-29 | 2020-09-29 | Polarizing plate attaching mechanism of liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022185727.5U CN213182246U (en) | 2020-09-29 | 2020-09-29 | Polarizing plate attaching mechanism of liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213182246U true CN213182246U (en) | 2021-05-11 |
Family
ID=75777236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022185727.5U Expired - Fee Related CN213182246U (en) | 2020-09-29 | 2020-09-29 | Polarizing plate attaching mechanism of liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213182246U (en) |
-
2020
- 2020-09-29 CN CN202022185727.5U patent/CN213182246U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |