CN211494637U - Film laminating mechanism of liquid crystal screen film laminating tool - Google Patents

Abstract

The utility model relates to a tectorial membrane mechanism of LCD screen pad pasting frock, it includes the base and slides the balladeur train of connection on the base, be equipped with the clamp plate on the balladeur train, be equipped with two mount pads on the balladeur train, the clamp plate passes through the articulated shaft and articulates between two mount pads, the clamp plate is equipped with a plurality of second gas pockets, and is a plurality of towards one side of LCD screen second gas pocket intercommunication has air exhaust system. The utility model discloses have can be fast convenient with the effect of diaphragm laminating on the LCD screen.

Description

Film laminating mechanism of liquid crystal screen film laminating tool

Technical Field

The utility model belongs to the technical field of the technique of LCD screen pad pasting and specifically relates to a tectorial membrane mechanism of LCD screen pad pasting frock is related to.

Background

The liquid crystal display uses liquid crystal material as basic component, and fills the liquid crystal material between two parallel plates, and changes the arrangement condition of internal molecules of liquid crystal material by means of voltage so as to attain the goal of shading light and transmitting light to display image with different depth and error, and only adds filter layer with three-component color between two flat plates to implement display of color image.

The existing liquid crystal screen is usually coated with a layer of protective film before leaving the factory, so as to prevent the liquid crystal screen from being worn after leaving the factory. The liquid crystal display is usually filmed manually.

The above prior art solutions have the following drawbacks: when carrying out the pad pasting to the LCD screen, the operator all will laminate the diaphragm on the LCD screen through the manual work, and the diaphragm produces the bending easily this moment, therefore pad pasting efficiency is lower.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a can be fast convenient with the tectorial membrane mechanism of the LCD screen pad pasting frock of diaphragm laminating on the LCD screen.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a tectorial membrane mechanism of LCD screen pad pasting frock, includes the base and slides the balladeur train of connection on the base, be equipped with the clamp plate on the balladeur train, be equipped with two mount pads on the balladeur train, the clamp plate passes through the articulated shaft and articulates between two mount pads, the clamp plate is equipped with a plurality of second gas pockets, and is a plurality of towards one side of LCD screen second gas pocket intercommunication has air exhaust system.

Through adopting above-mentioned technical scheme, when needing to carry out the pad pasting to the LCD screen, the operator at first places the diaphragm in the one side that has the second gas pocket on the clamp plate, and the system of bleeding at this moment bleeds through the second gas pocket to adsorb the diaphragm on the clamp plate, the operator promotes the balladeur train and removes towards the LCD screen this moment, then rotates the clamp plate downwards and makes the diaphragm laminating on the LCD screen, thereby quick convenient realization is to the pad pasting operation of LCD screen.

The present invention may be further configured in a preferred embodiment as: the pressing plate is rotatably connected with a pressing wheel.

By adopting the technical scheme, after the membrane is attached to the liquid crystal display screen, an operator pulls the sliding frame backwards, and the pressing wheel presses on the membrane and rolls along the liquid crystal display screen, so that bubbles between the membrane and the liquid crystal display screen can be quickly and conveniently discharged, and the membrane attaching quality is improved.

The present invention may be further configured in a preferred embodiment as: be equipped with the kelly on the mount pad, work as the clamp plate is towards keeping away from the load board direction when rotating, the kelly is contradicted in the one side that the clamp plate deviates from the second gas pocket.

Through adopting above-mentioned technical scheme, after pasting and covering a diaphragm, the operator rotates the clamp plate towards the direction of keeping away from the LCD screen, contradicts in one side that the clamp plate deviates from the second gas pocket until the kelly, and one side that has the second gas pocket on the clamp plate this moment expandes in the front of the operator to the operator is quick convenient places new diaphragm on the clamp plate, carries out the pad pasting operation next time.

The present invention may be further configured in a preferred embodiment as: the pressing plate is detachably connected with two mounting blocks, and two ends of the pressing wheel are respectively rotatably connected to the two mounting blocks.

Through adopting above-mentioned technical scheme, to the LCD screen of equidimension not, the operator can pull down the installation piece and change the installation piece and the pinch roller of other models to nimble pinch roller to the LCD screen of equidimension not changes different models improves the pad pasting quality.

The present invention may be further configured in a preferred embodiment as: the two opposite sides of the mounting blocks are provided with sliding grooves in the vertical direction, the sliding grooves are connected with floating blocks in a sliding mode, compression springs are arranged between the floating blocks and the tops of the sliding grooves, and two ends of the pressing wheel are respectively connected to the two floating blocks in a rotating mode.

Through adopting above-mentioned technical scheme, the pinch roller passes through the slider and compression spring connects on the installation piece for the pinch roller can float relatively, thereby is unlikely to too big to the pressure of LCD screen, reduces the possibility that the LCD screen is fractured, has improved the security when covering the membrane to the LCD screen.

The present invention may be further configured in a preferred embodiment as: the pinch roller is coated with a flexible layer.

Through adopting above-mentioned technical scheme, the flexible layer has certain flexibility, can reduce the possibility of fracturing the LCD screen on the one hand, and on the other hand can reduce the possibility of wearing and tearing the diaphragm when pinch roller and diaphragm relative friction, guarantees the surface quality of diaphragm.

The present invention may be further configured in a preferred embodiment as: the base is fixedly provided with a fixed plate, at least two slide bars in the same direction are connected between the fixed plate and the fixed platform, and the sliding frame is connected on all the slide bars in a sliding manner.

Through adopting above-mentioned technical scheme, the slide bar can play a guide effect to the removal of balladeur train to make more accurate stable towards the LCD screen removal of balladeur train, in order to guarantee that diaphragm and LCD screen can accurate matching, improve the pad pasting precision.

The present invention may be further configured in a preferred embodiment as: and a buffer cushion made of flexible materials is arranged on one side of the fixed plate facing the sliding frame.

By adopting the technical scheme, when the sliding frame moves towards the fixed plate and impacts on the fixed plate, the buffer pad can play a buffer role on the sliding frame, and the possibility of vibration of the sliding frame is reduced, so that the integral stability and the precision of the sliding frame and the upper part of the sliding frame are convenient to maintain.

To sum up, the utility model discloses a following at least one useful technological effect:

1. an operator adsorbs the diaphragm on the pressing plate, then pushes the sliding frame to move towards the liquid crystal screen, and then rotates the pressing plate downwards to enable the diaphragm to be attached to the liquid crystal screen, so that the film attaching operation of the liquid crystal screen can be quickly and conveniently realized;

2. the pinch roller can be fast convenient bubble between discharge diaphragm and the LCD screen, improves the pad pasting quality.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic structural view of a coating tank according to example 1.

Fig. 4 is a schematic structural view of embodiment 1 for embodying the guide groove.

Fig. 5 is a schematic structural view of embodiment 1 for embodying a buffer spring.

FIG. 6 is a schematic view of the entire structure of embodiment 2.

In the figure, 1, a base; 11. a fixed table; 12. a snap ring; 13. a push type bottle; 14. drawing the box; 15. an indicator light; 2. a loading plate; 21. a placement groove; 211. a pressure sensor; 22. accommodating grooves; 23. pinching a groove; 24. a first air hole; 3. a searchlight; 31. a gooseneck; 4. a carriage; 41. pressing a plate; 411. a second air hole; 412. a film coating groove; 42. a mounting seat; 421. a clamping rod; 43. hinging a shaft; 44. a pinch roller; 441. a flexible layer; 45. mounting blocks; 451. a chute; 452. a slider; 453. a compression spring; 5. a fixing plate; 51. a slide bar; 52. a cushion pad; 53. a second limit screw; 531. a limiting sleeve; 532. a second nut; 533. a buffer spring; 6. a first limiting seat; 7. an adjusting mechanism of the micrometer; 71. a screw rod; 711. a guide head; 72. fixing the sleeve; 73. a micro-drum; 74. finely adjusting a knob; 75. a locking button; 8. a second limiting seat; 81. a first limit screw; 82. an alloy head; 821. a guide groove; 83. a first nut; 9. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: refer to fig. 1, do the utility model discloses a LCD screen pad pasting frock, including base 1, still include positioning mechanism, stop gear and tectorial membrane mechanism.

Referring to fig. 1, the positioning mechanism of LCD screen pad pasting frock is including setting up fixed station 11 on base 1, 11 fixed connection of fixed station is on base 1, 11 upper surfaces of fixed station can be dismantled through a plurality of bolts and be connected with loading plate 2, loading plate 2 is last set up with LCD screen outer fringe size assorted standing groove 21, the degree of depth of standing groove 21 equals the thickness of LCD screen, holding tank 22 has been seted up to the tank bottom of standing groove 21, a plurality of gas pockets have evenly been seted up to the tank bottom of standing groove 21, all gas pockets communicate to air exhaust system, air exhaust system can set up to the aspiration pump. When needing to fix a position the LCD screen, the operator places the LCD screen in standing groove 21 and makes each groove limit of LCD screen and standing groove 21 laminate mutually, meanwhile, the circuit board on the LCD screen can be placed in holding tank 22 to guarantee that the LCD screen upper surface is level and smooth, and standing groove 21 has restricted the removal of LCD screen this moment, quick convenient fixes a position the LCD screen. When the air suction pump works, the air holes can generate suction force on the liquid crystal screen, so that the liquid crystal screen is more stably fixed in the placing groove 21.

Referring to fig. 1, a pressure sensor 211 is embedded in the middle of the bottom of a placing groove 21, an indicator light 15 is arranged on a base 1, when a liquid crystal screen is placed in the placing groove 21 in a matched and flat mode, the pressure sensor 211 is stressed and sends a signal to the indicator light 15, and the indicator light 15 is turned on; when the LCD screen is placed to some deviation, the LCD screen inclines, the pressure sensor 211 is not stressed, the indicator light 15 is on the red light at the moment, and therefore an operator is warned to adjust the position of the LCD screen, whether the LCD screen of the operator can be placed correctly or not can be quickly and conveniently prompted, and the possibility of error is reduced.

Referring to fig. 1, the loading plate 2 is symmetrically provided with a pinching groove 23 at both sides of the placing groove 21 in the length direction, so that an operator can place or take out the liquid crystal panel. Be connected with a gooseneck 31 on fixed station 11 or the base 1, the other end of gooseneck 31 is connected with searchlight 3, the operator can adjust searchlight 3's irradiation angle and irradiation position through adjustment gooseneck 31, thereby beat the light on the LCD screen, the operator of being convenient for inspects whether there is greasy dirt, dust etc. on the LCD screen surface, be connected with push type bottle 13 through snap ring 12 on the fixed station 11, be equipped with alcohol in the push type bottle 13, the sliding connection has drawer box 14 in the fixed station 11, place cleaning cloth in the drawer box 14. If an operator finds that the liquid crystal screen is stained, the operator can take out the press type bottle 13 and press the bottle by aligning the bottle with the liquid crystal screen, so that alcohol is sprayed on the surface of the liquid crystal screen, and then the bottle is wiped clean through cleaning cloth.

Referring to fig. 1 and 3, the film coating mechanism of the liquid crystal screen film coating tool comprises a sliding frame 4, a fixing plate 5 and sliding rods 51, wherein the fixing plate 5 is fixedly connected to a base 1, two ends of each sliding rod 51 are respectively fixed to the fixing plate 5 and a fixing table 11, the two sliding rods 51 are parallel to each other, and the sliding frame 4 is connected to the two sliding rods 51 in a penetrating and sliding manner. One side that balladeur train 4 deviates from base 1 is equipped with two mount pads 42, it has clamp plate 41 to articulate through articulated shaft 43 between two mount pads 42, one side that clamp plate 41 faced the LCD screen is equipped with tectorial membrane groove 412, tectorial membrane groove 412's shape size is the same with the shape size of diaphragm, the tank bottom equipartition of tectorial membrane groove 412 has a plurality of second gas holes 411, second gas hole 411 intercommunication has air exhaust system, the operator is with the quick place back in tectorial membrane groove 412 of diaphragm, air exhaust system produces a suction to the diaphragm through second gas hole 411, thereby quick convenient adsorb the location with the diaphragm in tectorial membrane groove 412. The side of the pressing plate 41 facing away from the coating tank 412 is provided with a handle 9 to facilitate the operator to quickly push the pressing plate 41 and the carriage 4.

Referring to fig. 3 and 5, one end of the pressing plate 41 facing the fixed table 11 is detachably connected with two mounting blocks 45 through bolts, a sliding groove 451 is formed in one side, opposite to the two mounting blocks 45, of the two mounting blocks 45 in the vertical direction, a floating block 452 is slidably connected in the sliding groove 451, a compression spring 453 is arranged between the floating block 452 and the top of the sliding groove 451, a pressing wheel 44 is rotatably connected between the two sliding blocks, a flexible layer 441 covers the outside of the pressing wheel 44, and the flexible layer 441 is preferably rubber in this embodiment. Compression springs 453 are in a natural state, and the lower surface of pressure roller 44 is lower than the lower surface of pressure plate 41.

Referring to fig. 1, after an operator places the membrane in the film covering groove 412 and positions the membrane, the operator pushes the pressing plate 41 to move towards the loading plate 2 through the handle 9, then the pressing plate rotates downwards and covers the membrane on the liquid crystal screen, at the moment, the handle 9 is pulled backwards, the pressing wheel 44 rolls over the membrane, air between the membrane and the liquid crystal screen can be quickly and conveniently discharged, and the film pasting quality of the liquid crystal screen is improved. And the pinch roller 44 can float relatively, so that the pressure on the liquid crystal screen is not too large, the possibility of fracturing the liquid crystal screen is reduced, and the safety of laminating the liquid crystal screen is improved. The flexible layer 441 can reduce the possibility of fracturing the liquid crystal screen on one hand, and can reduce the possibility of abrasion of the membrane when the pressure wheel 44 and the membrane are in relative friction on the other hand, so that the surface quality of the membrane is ensured.

Referring to fig. 1 and 3, a clamping rod 421 is arranged on the hinged seat, when the pressing plate 41 withdraws from the loading plate 2 and needs to load the membrane again, the operator rotates the pressing plate 41 toward the direction away from the loading plate 2 until the clamping rod 421 abuts against the side of the pressing plate 41 departing from the second air hole 411, at this time, the pressing plate 41 and the base 1 form an obtuse angle, and the membrane covering groove 412 is displayed in front of the operator, so that the operator can rapidly place a new membrane in the membrane covering groove 412.

Referring to fig. 1, the limiting mechanism of the lcd screen film pasting tool comprises a first limiting seat 6 arranged on a sliding frame 4, the first limiting seat 6 is respectively provided with one along two sides of the sliding frame 4 in the moving direction, an adjusting mechanism 7 of a micrometer is fixed on the first limiting seat 6, the adjusting mechanism 7 of the micrometer comprises a screw rod 71 in the micrometer, a fixing sleeve 72, a micro-cylinder 73, a fine adjustment knob 74 and a locking button 75, the fixing sleeve 72 is fixed on the first limiting seat 6, the locking button 75 is arranged in a penetrating manner and is connected onto the first limiting seat 6 in a threaded manner, and the locking button 75 is abutted against the fixing sleeve 72. The operator can precisely adjust the extending length of the screw rod 71 by rotating the fine adjustment knob 74.

Referring to fig. 1, the fixed station 11 is equipped with a second spacing seat 8 along the both sides of balladeur train 4 direction of sliding, and threaded connection has first stop screw 81 on the spacing seat 8 of second, and first stop screw 81 is threaded connection first nut 83 respectively in the both sides of the spacing seat 8 of second, and two first nuts 83 are all screwed up and are contradicted on the spacing seat 8 of second to the position of fixed first stop screw 81 that can be quick reduces the possibility of first stop screw 81 rotation on the spacing seat 8 of second.

Referring to fig. 1 and 4, an alloy head 82 is disposed at one end of the first limit screw 81 facing the screw 71, a tapered or truncated cone-shaped guide groove 821 is disposed at one end of the alloy head 82 facing the screw 71, in this embodiment, the guide groove 821 is truncated cone-shaped, and a guide head 711 matched with the guide groove 821 is disposed at one end of the screw 71 facing the alloy head 82. The operator removes balladeur train 4 until lead screw 71 with first stop screw 81 conflict, guide head 711 is pegged graft in guide way 821, operator downwardly rotating clamp plate 41 makes the diaphragm paste when covering on the LCD screen this moment, the laminating that the diaphragm matches just is on the LCD screen to the operator just need not aim at when removing balladeur train 4 at every turn, directly push to the end make lead screw 71 conflict with first stop screw 81 can, convenient and fast, and the pad pasting is efficient, high quality.

Referring to fig. 1 and 2, the fixing plate 5 is provided with a second limiting screw 53 in a penetrating and threaded connection manner, the second limiting screw 53 is provided with a second nut 532 in threaded connection with two sides of the fixing plate 5, the two second nuts 532 are all abutted against the fixing plate 5, so as to fix the position of the second limiting screw 53, the second limiting screw 53 is provided with a limiting sleeve 531 towards the carriage 4, the second limiting bolt is provided with a buffer spring 533 in a sleeved manner, and two ends of the buffer spring 533 are respectively connected to the limiting sleeve 531 and the second nut 532 close to the carriage 4. When the operator slides the carriage 4 backward, the carriage 4 abuts against the limiting sleeve 531, and the buffer spring 533 plays a role in buffering the limiting sleeve 531, so that the vibration and noise between the carriage 4 and the limiting sleeve 531 are reduced, and the whole tool can work more stably.

The implementation principle of the embodiment is as follows: the operator is at first put into standing groove 21 with the LCD screen in, after the bright green light of pilot lamp 15, place the diaphragm in tectorial membrane groove 412, air exhaust system work this moment, carry out the negative pressure location to LCD screen and diaphragm, then the operator removes balladeur train 4 towards loading plate 2, conflict until lead screw 71 and first stop screw 81, the clamp plate 41 rotates downwards this moment, make the diaphragm laminating on the LCD screen, again pull back clamp plate 41, pinch roller 44 pushes down the diaphragm and rolls backward, thereby with remaining gas outgoing between diaphragm and the LCD screen, quick convenient completion operation of pasting the membrane.

Example 2: a LCD screen pad pasting frock, with embodiment 1's difference lie in, refer to fig. 6, fixed plate 5 is equipped with the blotter 52 made by flexible material towards 4 one sides of balladeur train, and when the operator slided the balladeur train 4 backward, balladeur train 4 contradicted with blotter 52, and blotter 52 played a cushioning effect to 1 this moment to reduce vibrations and the noise that the striking produced between balladeur train 4 and the fixed plate 5, so that whole frock more stable work.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a tectorial membrane mechanism of LCD screen pad pasting frock which characterized in that: including base (1) and sliding carriage (4) of connection on base (1), be equipped with clamp plate (41) on carriage (4), be equipped with two mount pads (42) on carriage (4), clamp plate (41) articulate between two mount pads (42) through articulated shaft (43), clamp plate (41) are equipped with a plurality of second gas pockets (411) towards one side of LCD screen, and are a plurality of second gas pocket (411) intercommunication has air exhaust system.

2. The laminating mechanism of the liquid crystal screen laminating tool according to claim 1, characterized in that: the pressing plate (41) is rotatably connected with a pressing wheel (44).

3. The laminating mechanism of the liquid crystal screen laminating tool according to claim 2, characterized in that: be equipped with kelly (421) on mount pad (42), work as clamp plate (41) are towards keeping away from when loading plate (2) direction rotates, kelly (421) are contradicted in one side that clamp plate (41) deviate from second gas pocket (411).

4. The laminating mechanism of the liquid crystal screen laminating tool according to claim 3, characterized in that: the pressing plate (41) is detachably connected with two mounting blocks (45), and two ends of the pressing wheel (44) are respectively rotatably connected to the two mounting blocks (45).

5. The laminating mechanism of the liquid crystal screen laminating tool according to claim 4, characterized in that: two the relative one side of installation piece (45) has seted up spout (451) along vertical direction, slider (452) are connected with in spout (451) the cunning, be equipped with compression spring (453) between slider (452) and spout (451) top, the both ends of pinch roller (44) rotate respectively and connect on two slider (452).

6. The film laminating mechanism of the liquid crystal screen film laminating tool according to claim 2 or 5, characterized in that: the pinch roller (44) is coated with a flexible layer (441).

7. The laminating mechanism of the liquid crystal screen laminating tool according to claim 6, characterized in that: the base (1) is fixedly provided with a fixed plate (5), at least two equidirectional slide rods (51) are connected between the fixed plate (5) and the fixed platform (11), and the sliding frame (4) is connected to all the slide rods (51) in a sliding manner.

8. The laminating mechanism of the liquid crystal screen laminating tool according to claim 7, characterized in that: a buffer pad (52) made of flexible materials is arranged on one side, facing the carriage (4), of the fixing plate (5).

Images