CN210365763U - Adjusting and centering mechanism for automatic bonding of back plate of liquid crystal display screen - Google Patents

Abstract

The utility model discloses an adjusting and centering mechanism for automatically bonding a liquid crystal display back plate, which relates to the field of liquid crystal display production and aims to provide equipment capable of adjusting and centering the back plate and a membrane plate, and the technical key points of the adjusting and centering mechanism comprise a workbench stand, an adjusting centering cavity penetrating through the workbench stand and a plurality of conveying rollers arranged in the adjusting centering cavity, two opposite blocking side plates arranged on the workbench stand, a mounting plate rotatably arranged between the two blocking side plates, a linkage rod hinged at one side of the mounting plate opposite to the workbench stand, a first driving cylinder arranged on the workbench stand, at least two blocking rollers arranged at one side of the mounting plate far away from the linkage rod, centering components arranged at two sides of the workbench stand vertical to the x-axis direction, an opposite side component arranged on the workbench stand and a jacking component arranged in the adjusting and centering cavity and positioned at the conveying rollers, the utility model discloses can avoid pasting the in-process at the sticky tape, backplate and diaphragm plate take place to remove.

Description

Adjusting and centering mechanism for automatic bonding of back plate of liquid crystal display screen

Technical Field

The utility model relates to a liquid crystal display production field, more specifically say, it relates to an adjust centering mechanism that is used for liquid crystal display backplate to bond automatically.

Background

The liquid crystal display is a flat ultrathin display device, which consists of a certain number of color or black and white pixels and is placed in front of a light source or a reflecting surface; liquid crystal displays are very low in power consumption, and therefore are favored by engineers and are suitable for electronic devices using batteries; the main principle is that the current stimulates the liquid crystal molecules to generate points, lines and surfaces which are matched with the back lamp tube to form a picture.

In the production process of the liquid crystal display screen, the light bar needs to be fixed on the back plate, the diaphragm and the reflector are laid on the back plate, the diaphragm and the reflector are fixed on the back plate through the gluing mechanism by using the special adhesive tape and the fixing adhesive tape, and finally the display screen is fixed on the back plate through the clamping piece.

However, in the process of adhering the adhesive tape, the adhesive tape head in the gluing mechanism needs to adhere the adhesive tape to the back plate and the membrane plate, so that the back plate and the membrane plate can be touched in the process, the back plate and the membrane plate can be easily moved, the adhesive tape is adhered in a staggered manner, and the production quality of the liquid crystal display screen is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a regulation centering mechanism for automatic bonding of liquid crystal display backplate can realize the regulation centering to backplate and diaphragm plate, avoids pasting the in-process at the sticky tape, and backplate and diaphragm plate take place to remove.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an adjust centering mechanism for automatic bonding of liquid crystal display backplate, includes the workstation frame, runs through the regulation of setting in the workstation frame to the lumen and set up a plurality of transfer rollers in adjusting the lumen, still including setting up two relative curb plates that stop on the relative lateral wall of workstation frame and x axle direction, it is located and adjusts the lumen to stop the curb plate, still including rotate the setting two stop the curb plate keep away from the mounting panel between the workstation frame end, articulate at the gangbar of mounting panel and the relative one side of workstation frame, set up on the workstation frame and drive end and gangbar keep away from the articulated first actuating cylinder of driving of mounting panel one end and set up and keep away from the gyro wheel that blocks of two at least on one side of the gangbar at the mounting panel, block the gyro wheel rotatory on vertical plane, still including setting up the centering subassembly of workstation frame perpendicular to x axle direction both sides, set up at the workstation frame with block the opposite side subassembly of the relative one side of Send the jacking subassembly of roller, opposite side subassembly and centering subassembly all are located and adjust the centering intracavity, there is the clearance opposite side subassembly and the backplate that is located on the transfer roller in vertical direction, and the axis is horizontal it has the clearance to stop the gyro wheel and the backplate that is located on the transfer roller in vertical direction, and the axis is vertical it contradicts with the vertical lateral wall of backplate that is located on the transfer roller to stop the gyro wheel.

By adopting the technical scheme, after the back plate and the membrane plate are transferred to the adjusting pair middle cavity by the conveying roller, the blocking roller with vertical axis can be abutted against the vertical side walls of the back plate and the membrane plate, the display screen and the back plate can not move continuously, meanwhile, the conveying roller stops conveying, then the back plate and the membrane plate can be lifted up by the jacking assembly, the centering assembly and the opposite side assembly can tightly abut against the other three vertical side walls of the back plate and the membrane plate, so that the adjusting centering of the back plate and the membrane plate is realized, after the adhesive tape is adhered, the centering assembly and the opposite side assembly can relieve the compression of the back plate and the membrane plate, the back plate and the membrane plate adhered with the adhesive tape return to the conveying roller, then under the driving action of the first driving cylinder, the linkage rod can drive the blocking roller to rotate to the position with horizontal axis, so that the back plate and the membrane plate can continue conveying, further, the utility model can realize the adjusting centering of the back plate and, the back plate and the membrane plate are prevented from moving in the process of adhering the adhesive tape.

The utility model discloses a further set up to, centering subassembly package sets up rotation drive arrangement on perpendicular to x axle direction both sides work rack, sets up on the work rack with rotation drive arrangement drive end pivoted drive lead screw and through the fixed plate setting on the work rack and with drive lead screw threaded connection's drive swivel nut, drive lead screw perpendicular to x axle direction still passes drive swivel nut one end and along the centering fixed plate that x axle direction extended and keeps away from the centering gyro wheel of two at least on one side of the fixed plate through the horizontal adjustment setting at the centering fixed plate including setting up at the drive lead screw, the axis of centering gyro wheel extends along vertical direction.

Through taking above-mentioned technical scheme, can drive the drive lead screw and remove along its length direction when drive swivel nut carries out screw thread pivoted with the drive lead screw, and then can make the drive lead screw drive the centering fixed plate and remove to backplate and diaphragm plate, make the centering gyro wheel compress tightly on backplate and diaphragm plate, realize the location to on backplate and diaphragm plate, simultaneously, the utility model discloses make the centering gyro wheel press on backplate and diaphragm plate, can arouse in the accommodation process that backplate and diaphragm plate removed when, reduce the frictional force that backplate and diaphragm plate received, avoided the wearing and tearing of backplate and diaphragm plate to adjust the position of centering gyro wheel through horizontal adjustment spare, can be according to the distance shape size of backplate and diaphragm plate, make the centering gyro wheel compress tightly the suitable position on backplate and diaphragm plate, and then realize stable compressing tightly to backplate and diaphragm plate.

The utility model is further provided with that the horizontal adjusting part comprises an adjusting through groove which is arranged on the centering fixing plate and extends along the horizontal direction, and adjusting clamping grooves which are respectively arranged on the opposite horizontal side walls of the adjusting through groove and are used for pressing the length direction of the adjusting through groove, one side groove wall of the adjusting clamping groove, which is far away from the fixing plate, penetrates through the centering fixing plate along the horizontal direction, the adjusting device also comprises an adjusting pull rod which is arranged in the adjusting through groove, a limiting plate which is arranged on the peripheral wall of the adjusting pull rod and is abutted against one side of the centering fixing plate, and a limiting abutting plate which is arranged at one end of the adjusting pull rod, which is close to the fixing plate, the centering roller is arranged at one end of the adjusting pull rod, which is far away from the limiting abutting plate, the limiting spring which is arranged on the adjusting pull rod and has two ends which, the limiting clamping plate is clamped with the adjusting clamping groove.

Through taking above-mentioned technical scheme, when keeping away from the regulation draw-in groove with spacing cardboard, spacing spring is compressed between limiting plate and spacing support board, and then the regulation pull rod can freely slide and adjust the position of centering gyro wheel in adjusting logical inslot, when needs advance line location to the centering gyro wheel, stop pulling the regulation pull rod, under the effect of spacing spring restoring force, spacing cardboard can be pulled into corresponding regulation draw-in groove, and then receive the limiting displacement of regulation draw-in groove and spacing cardboard, circumferential direction can not take place for the regulation pull rod, receive the limiting displacement of spacing spring between spacing cardboard and the limiting plate simultaneously, axial removal can not take place for the regulation pull rod, and then can advance line location to the centering gyro wheel, make the centering gyro wheel compress tightly backplate and diaphragm plate steadily.

The utility model discloses a further set up to, the opposite side subassembly is including setting up the logical groove of sliding in workstation rack perpendicular to x axle direction both sides, slide and set up connecting the fagging in the logical inslot that slides, set up even the board in the installation between two connecting the fagging and install the piece to the limit on the board even through adjust cylinder, block the curb plate to the face orientation that compresses tightly of limit piece, still be used for the drive to connect the first drive arrangement that the fagging slided including setting up on the workstation rack.

Through taking above-mentioned technical scheme, a drive arrangement drive connection fagging slides, can drive the installation even on the board to the side piece remove to backplate and diaphragm plate, simultaneously, adjust cylinder adjusts the height to the side piece in vertical direction, and then makes the side piece realize keeping away from the compressing tightly that blocks curb plate one side to backplate and diaphragm plate.

The utility model discloses a further set up to, the jacking subassembly includes that jacking base plate, setting drive actuating cylinder, setting at the second of jacking base plate upper surface drive actuating cylinder end at the second and drive a plurality of honeycomb slots of the linkage honeycomb panel setting at linkage honeycomb panel upper surface and peg graft in the honeycomb slot and with the jacking piece that adjacent transfer roller clearance aligns through the inserted bar.

Through taking above-mentioned technical scheme, according to the unsmooth condition of backplate lower surface, the inserted bar is inserted to the honeycomb slot of selecting suitable position, and then the second drives actuating cylinder drive linkage honeycomb panel and removes, can drive the removal of jacking piece, realizes the jacking of backplate and diaphragm plate and moves down, and simultaneously, the jacking subassembly sets up in the below of transfer roller, practices thrift the space, can not influence the work of other structures.

The utility model discloses a further set up to, the workstation frame is provided with the direction base, it is provided with two at least direction logical grooves to run through on the direction base, be provided with the direction slide bar of wearing to establish in the logical inslot of direction between fixed plate and the centering fixed plate.

Through taking above-mentioned technical scheme, receive the guide effect that direction slide bar and direction lead to the groove, can make the removal of fixed plate and centering fixed plate straight more stable, make a plurality of centering gyro wheels can support simultaneously on backplate and diaphragm plate, realize stable compressing tightly to backplate and diaphragm plate.

The utility model discloses a further set up to, be provided with a plurality of regulation holes that extend along centering fixed plate length direction on the centering fixed plate, it is a plurality of the regulation hole is provided with two rows of levels on the centering fixed plate at least, the one end that the fixed plate was kept away from to the direction slide bar is provided with the regulating plate, the regulating plate passes through bolted connection with the regulation hole.

Through taking above-mentioned technical scheme, realize dismantling of centering fixed plate and direction slide bar and be connected, and then can select suitable centering fixed plate according to the concrete size of backplate and diaphragm plate, make the centering gyro wheel can set up the suitable position at centering fixed plate, and then carry out more stable compressing tightly to backplate and diaphragm plate.

The utility model discloses a further set up to, the top of inserted bar is provided with the thread piece, the bottom of jacking piece is provided with the thread groove.

Through adopting above-mentioned technical scheme, can be according to the concrete size of backplate lower surface jacking position, select suitable jacking piece, make the jacking piece to being carried out the most stable jacking.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model utilizes the blocking roller centering component and the opposite side component to tightly support the vertical side walls of the back plate and the membrane plate in the process of sticking the adhesive tape on the back plate and the display screen, thereby realizing the adjustment and centering of the back plate and the membrane plate and avoiding the movement of the back plate and the display screen in the adhesive tape sticking engineering;

2. the utility model discloses an among the horizontal adjustment spare among the centering subassembly, when keeping away from spacing cardboard and adjusting the draw-in groove, spacing spring is compressed between limiting plate and spacing support plate, and then adjusting the position that the pull rod can freely slide and adjust the centering gyro wheel in adjusting logical inslot, when needs advance line location to the centering gyro wheel, stop to stimulate adjusting the pull rod, under the effect of spacing spring restoring force, spacing cardboard can be pulled into in the corresponding adjusting the draw-in groove, and then receive the limiting displacement of adjusting draw-in groove and spacing cardboard, circumferential direction can not take place for adjusting the pull rod, receive the limiting displacement of spacing spring between spacing cardboard and the limiting plate simultaneously, axial removal can not take place for adjusting the pull rod, and then can fix a position centering gyro wheel, make the centering gyro wheel compress tightly backplate and diaphragm plate steadily.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a sectional view of the structure of the horizontal adjusting member according to the present invention.

Fig. 4 is a cross-sectional view of a jacking assembly structure according to the present invention.

Reference numerals: 1. a working bench; 2. adjusting the centering cavity; 3. a conveying roller; 4. a blocking side plate; 5. mounting a plate; 6. a linkage rod; 7. a first driving cylinder; 8. blocking the roller; 9. a centering assembly; 10. a side-aligning component; 11. a jacking assembly; 12. a rotation driving device; 13. driving the threaded sleeve; 14. driving the screw rod; 15. a fixing plate; 16. centering the fixed plate; 17. centering the roller; 18. adjusting the through groove; 19. adjusting the clamping groove; 20. adjusting the pull rod; 21. a limiting plate; 22. a limiting support plate; 23. a connecting plate; 24. a limiting spring; 25. a limiting clamping plate; 26. a sliding through groove; 27. connecting a supporting plate; 28. mounting a connecting plate; 29. aligning the edge blocks; 30. a first driving device; 31. jacking the base plate; 32. a second driving cylinder; 33. a linkage cellular board; 34. jacking blocks; 35. a guide base; 36. a guide through groove; 37. a guide slide bar; 38. an adjustment hole; 39. an adjusting plate; 40. a cellular slot; 41. a horizontal adjustment member; 42. an adjusting cylinder; 43. inserting a rod; 44. a thread block; 45. a thread groove.

Detailed Description

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

Example (b):

the utility model discloses an adjusting and centering mechanism for automatically bonding a liquid crystal display screen back plate, which comprises a workbench frame 1, an adjusting and centering cavity 2 penetrating through the workbench frame 1 and a plurality of conveying rollers 3 arranged in the adjusting and centering cavity, as shown in figure 1 and figure 2, wherein the conveying direction of the back plate is the x-axis direction, the adjusting and centering mechanism also comprises two opposite blocking side plates 4 arranged on the side walls of the workbench frame 1 opposite to the x-axis direction, the blocking side plates 4 are positioned in the adjusting and centering cavity 2, the adjusting and centering mechanism also comprises a mounting plate 5 rotationally arranged between the ends of the two blocking side plates 4 far away from the workbench frame 1, a linkage rod 6 hinged on one side of the mounting plate 5 opposite to the workbench frame 1, a first driving cylinder 7 arranged on the workbench frame 1 and hinged with one end of the driving end of the linkage rod 6 far away from the mounting plate 5, and at least two blocking rollers 8 arranged on one side of the mounting plate 5 far away from the linkage, the rollers 8 are blocked from rotating on a vertical plane; put backplate and template on the frock board that drives logical groove, then in the normal transfer process of backplate and diaphragm plate, under the first drive actuating action that drives actuating cylinder 7, gangbar 6 can drive the gyro wheel 8 that blocks on the mounting panel 5 and rotate to the horizontally position of axis, then after backplate and diaphragm plate are transferred on to the regulation to lumen 2 by transfer roller 3, first drive actuating cylinder 7 that drives starts, under the first drive actuating action that drives actuating cylinder 7, gangbar 6 can drive the gyro wheel 8 that blocks on the mounting panel 5 and rotate to the vertical position of axis, and then the vertical gyro wheel 8 that blocks of axis can support on the vertical lateral wall of backplate and diaphragm plate, display screen and backplate can not continue to move, simultaneously, transfer roller 3 stops the conveying.

As shown in fig. 1 and 2, the device further comprises centering assemblies 9 arranged on two sides of the work table frame 1 perpendicular to the x-axis direction, an opposite side assembly 10 arranged on one side of the work table frame 1 opposite to the blocking side plate 4 and a jacking assembly 11 arranged in the adjusting pair middle cavity 2 and located at the conveying roller 3, wherein the opposite side assembly 10 and the centering assembly 9 are both located in the adjusting pair middle cavity 2, a gap exists between the opposite side assembly 10 and a back plate located on the conveying roller 3 in the vertical direction, a gap exists between the blocking roller 8 with a horizontal axis and the back plate located on the conveying roller 3 in the vertical direction, and the blocking roller 8 with the vertical axis is abutted against the vertical side wall of the back plate located on the conveying roller 3; after transfer roller 3 stops the conveying, jacking subassembly 11 can lift backplate and diaphragm plate, centering subassembly 9 and opposite side subassembly 10 can support tightly the other three vertical lateral wall of backplate and diaphragm plate, and then realize the regulation centering to backplate and diaphragm plate, after the sticky tape is pasted, centering subassembly 9 and opposite side subassembly 10 can remove compressing tightly to backplate and diaphragm plate, and the backplate and the diaphragm plate of pasting the sticky tape get back to on transfer roller 3, then under the first drive actuating action who drives actuating cylinder 7, gangbar 6 can drive and block gyro wheel 8 and rotate to the horizontally position of axis, and then backplate and diaphragm plate can continue the conveying, and then the utility model discloses, can realize the regulation centering to backplate and diaphragm plate, avoid pasting the in-process at the sticky tape, backplate and diaphragm plate take place to remove.

As shown in fig. 1 and 4, the jacking assembly 11 includes a jacking substrate 31, a second driving cylinder 32 disposed on the upper surface of the jacking substrate 31, a linkage cellular board 33 disposed on the driving end of the second driving cylinder 32, a plurality of cellular slots 40 disposed on the upper surface of the linkage cellular board 33, and a jacking block 34 inserted into the cellular slots 40 through an insertion rod 43 and aligned with the gap of the adjacent conveying roller 3, and meanwhile, in the present invention, a thread block 44 is disposed on the top end of the insertion rod 43, and a thread groove 45 is disposed on the bottom end of the jacking block 34; can be according to the concrete size of backplate lower surface jacking position, select suitable jacking piece 34, with jacking piece 34 threaded connection on inserted bar 43, according to the unsmooth condition of backplate lower surface, the inserted bar 43 is inserted to the honeycomb slot 40 of selecting suitable position, and then the second drives actuating cylinder 32 drive linkage honeycomb panel 33 and removes, jacking piece 34 passes the clearance of transfer roller 3 and the logical groove of frock board supports on the backplate, can realize the jacking of backplate and diaphragm plate and move down.

As shown in fig. 1 and fig. 2, the centering assembly 9 includes a rotation driving device 12 disposed on the two side working tables 1 perpendicular to the x-axis direction, a driving screw 14 disposed on the working tables 1 and rotating with the driving end of the rotation driving device 12, and a driving screw 13 disposed on the working tables 1 through a fixing plate 15 and screwed with the driving screw 14, the driving screw 14 is perpendicular to the x-axis direction, and further includes a centering fixing plate 1615 disposed at one end of the driving screw 14 passing through the driving screw 13 and extending along the x-axis direction, and at least two centering rollers 17 disposed at one side of the centering fixing plate 1615 away from the fixing plate 15 through a horizontal adjusting member 41, and the axes of the centering rollers 17 extend along the vertical direction, the rotation driving device 12 of the present invention is a driving motor; firstly, according to the shapes of the back plate and the membrane plate, the centering roller 17 is arranged at a proper position on the centering fixing plate 1615 through the horizontal adjusting piece 41, then the driving motor is started, the threaded sleeve 13 is driven to rotate and is in threaded rotation with the driving screw rod 14, so that the driving screw rod 14 moves along the length direction of the driving screw rod, the centering fixing plate 1615 is driven to move towards the back plate and the membrane plate, and the centering roller 17 is pressed on two sides of the back plate and the membrane plate, which are perpendicular to the x-axis direction.

As shown in fig. 2, in order to make the centering rollers 17 abut against the back plate and the membrane plate at the same time and stably compress the back plate and the membrane plate, the working table frame 1 of the present invention is provided with a guiding base 35, at least two guiding through grooves 36 are arranged on the guiding base 35 in a penetrating manner, and a guiding slide rod 37 arranged in the guiding through groove 36 in a penetrating manner is arranged between the fixing plate 15 and the centering fixing plate 16; the movement of the fixed plate 15 and the centering fixed plate 16 can be more straightly and stably guided by the guide slide rod 37 and the guide through groove 36.

As shown in fig. 2 and fig. 3, the horizontal adjusting member 41 includes an adjusting through slot 18 penetrating through the centering fixing plate 15 and extending in the horizontal direction, and adjusting slots 19 respectively disposed on opposite horizontal side walls of the adjusting through slot 18 and arranged in the length direction of the pressing adjusting through slot 18, a slot wall on one side of the adjusting slot 19 away from the fixing plate 15 penetrates through the centering fixing plate 1615 in the horizontal direction, an adjusting pull rod 20 penetrating through the adjusting through slot 18, a limiting plate 21 disposed on the outer peripheral wall of the adjusting pull rod 20 and abutting against one side of the centering fixing plate 1615 close to the fixing plate 15, a limiting abutting plate 22 disposed on one end of the adjusting pull rod 20 close to the fixing plate 15, a centering roller 17 disposed on one end of the adjusting pull rod 20 away from the limiting abutting plate 22 through a connecting plate 23, a limiting spring 24 disposed on the adjusting pull rod 20 and fixedly connected with the limiting abutting plate 22 and the limiting plate 21 at two ends respectively, and a limiting catch plate 25 disposed on a lever arm, the limiting clamping plate 25 is clamped with the adjusting clamping groove 19; when the centering roller 17 is normally mounted on the centering fixing plate 1615, the limiting snap-gauge 25 is pulled into the corresponding adjusting snap-gauge 19 under the action of the limiting spring 24, and under the limiting action of the adjusting snap-gauge 19 and the limiting snap-gauge 25, the adjusting pull rod 20 does not rotate circumferentially, and under the limiting action of the limiting spring 24 between the limiting snap-gauge 25 and the limiting plate 21, the adjusting pull rod 20 does not move axially, the centering roller 17 is stably mounted on the centering fixing plate 1615, when the position of the centering roller 17 needs to be adjusted, the limiting snap-gauge 25 is firstly pulled out of the adjusting snap-gauge 19, the limiting spring 24 is compressed between the limiting plate 21 and the limiting resisting plate 22, and then the adjusting pull rod 20 can freely slide in the adjusting through groove 18 to adjust the position of the centering roller 17, when the centering roller 17 needs to be positioned, the adjusting pull rod 20 stops being pulled, under the action of the restoring force of the limiting spring 24, the limiting clamping plate 25 is pulled into the corresponding adjusting clamping groove 19, and the position of the centering roller 17 is adjusted.

As shown in fig. 2 and 3, a plurality of adjusting holes 38 extending along the length direction of the centering fixing plate 16 are formed in the centering fixing plate 16, at least two horizontal rows of the adjusting holes 38 are formed in the centering fixing plate 16, an adjusting plate 39 is arranged at one end of the guide slide rod 37 far away from the fixing plate 15, and the adjusting plate 39 is connected with the adjusting holes 38 through screws; realize the connection of dismantling of centering fixed plate 16 and direction slide bar 37, and then can be according to the concrete size of backplate and diaphragm plate, select suitable centering fixed plate 16, make centering gyro wheel 17 can set up the suitable position at centering fixed plate 16, and then carry out more stable compressing tightly to backplate and diaphragm plate.

As shown in fig. 1, the opposite side assembly 10 includes a sliding through groove 26 disposed on two sides of the working table frame 1 perpendicular to the x-axis direction, a connecting supporting plate 27 slidably disposed in the sliding through groove 26, an installing connecting plate 28 disposed between the two connecting supporting plates 27, and an opposite side block 29 installed on the installing connecting plate 28 through an adjusting cylinder 42, a pressing surface of the opposite side block 29 faces the blocking side plate 4, and further includes a first driving device 30 disposed on the working table frame 1 for driving the connecting supporting plate 27 to slide, the first driving device 30 of the present invention is a driving motor, a driving wheel and a conveying belt; after jacking subassembly 11 lifts up backplate and diaphragm plate, start driving motor, make the conveyer belt drive connect fagging 27 and slide, simultaneously, adjusting cylinder 42 adjusts the height to limit piece 29, and then drives the installation even on the board 28 to limit piece 29 and remove to backplate and diaphragm plate, and then realize keeping away from the compressing tightly that blocks curb plate 4 one side to backplate and diaphragm plate.

The working process is as follows:

after the back plate and the diaphragm plate are transferred to the adjusting pair middle cavity 2 by the conveying roller 3, the first driving cylinder 7 is started, under the driving action of the first driving cylinder 7, the linkage rod 6 can drive the blocking roller 8 on the mounting plate 5 to rotate to the position with the vertical axis, further, the blocking roller 8 with the vertical axis can be abutted against the vertical side wall of the back plate and the diaphragm plate, the display screen and the back plate can not move continuously, meanwhile, the conveying roller 3 stops conveying, then the second driving cylinder 32 is started, the second driving cylinder 32 drives the linkage honeycomb plate 33 to move upwards, the jacking block 34 can be driven to jack the back plate and the diaphragm plate between the gaps of the adjacent conveying rollers 3, then the rotation driving device 12 is started, the screw sleeve 13 is driven to rotate and perform threaded rotation with the driving screw rod 14, so that the driving screw rod 14 moves along the length direction thereof, and the centering fixing plate 16 is driven to move towards the back plate and the diaphragm plate, make centering gyro wheel 17 compress tightly in the both sides of backplate and diaphragm plate perpendicular to x axle direction, then start first drive arrangement 30 and adjust cylinder, make and connect fagging 27 and slide, and then drive the installation even on the board 28 to limit piece 29 and remove to backplate and diaphragm plate, and then realize keeping away from the compressing tightly that blocks 4 one side of curb plate to backplate and diaphragm plate, the backplate and the diaphragm plate that paste the sticky tape at last get back to on the transfer roller 3 under the drive of jacking piece 34, then under the drive action of first actuating cylinder 7 that drives, gangbar 6 can drive and block gyro wheel 8 and rotate to the horizontally position of axis, and then backplate and diaphragm plate can continue conveying and then the utility model discloses, can realize the regulation centering to backplate and diaphragm plate, avoid pasting the in-process at the sticky tape, backplate and diaphragm plate take place to remove.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides an adjust centering mechanism that is used for automatic bonding of liquid crystal display backplate which characterized in that: comprises a workbench frame (1), an adjusting pair middle cavity (2) which is arranged in the workbench frame (1) in a penetrating way, a plurality of conveying rollers (3) which are arranged in the adjusting pair middle cavity (2), two opposite blocking side plates (4) which are arranged on the side walls of the workbench frame (1) opposite to the x-axis direction, a mounting plate (5) which is rotatably arranged between the two blocking side plates (4) and far away from the end of the workbench frame (1), a linkage rod (6) which is hinged on one side of the mounting plate (5) opposite to the workbench frame (1), a first driving cylinder (7) which is arranged on the workbench frame (1) and the driving end of which is hinged with the linkage rod (6) and far away from one end of the mounting plate (5), and at least two blocking idler wheels (8) which are arranged on one side of the mounting plate (5) far away from the linkage rod (6), stop gyro wheel (8) rotatory on vertical plane, still including setting up centering subassembly (9) in workstation frame (1) perpendicular to x axle direction both sides, set up in workstation frame (1) and opposite side subassembly (10) that blocks one side that curb plate (4) is relative and set up jacking subassembly (11) that are located transfer roller (3) in adjusting to lumen (2), opposite side subassembly (10) and centering subassembly (9) all are located to adjust to lumen (2), there is the clearance in vertical direction opposite side subassembly (10) and the backplate that is located on transfer roller (3), the axis is horizontal stop gyro wheel (8) and the backplate that is located on transfer roller (3) and have the clearance in vertical direction, the axis is vertical stop gyro wheel (8) and conflict with the vertical lateral wall of backplate that is located on transfer roller (3).

2. The alignment mechanism of claim 1, wherein the alignment mechanism comprises: centering subassembly (9) package sets up rotation drive device (12) on perpendicular to x axle direction both sides work bench (1), set up on work bench (1) with rotation drive device (12) drive end pivoted drive lead screw (14) and through fixed plate (15) set up on work bench (1) and with drive lead screw (14) threaded connection's drive swivel nut (13), drive lead screw (14) perpendicular to x axle direction still including setting up centering fixed plate (16) that pass drive swivel nut (13) one end and extend along x axle direction and set up at centering fixed plate (16) through horizontal adjustment spare (41) and keep away from fixed plate (15) one side at least two centering gyro wheel (17), the axis of centering gyro wheel (17) extends along vertical direction.

3. The adjusting and centering mechanism for automatically bonding the back plate of a liquid crystal display screen according to claim 2, wherein: the horizontal adjusting part (41) comprises an adjusting through groove (18) which is arranged on the centering fixing plate (16) in a penetrating manner and extends along the horizontal direction, adjusting clamping grooves (19) which are respectively arranged on a plurality of opposite horizontal side walls of the adjusting through groove (18) and are used for adjusting the length direction arrangement of the through groove (18), one side groove wall of the adjusting clamping groove (19) far away from the fixing plate (15) penetrates through the centering fixing plate (16) along the horizontal direction, the horizontal adjusting part also comprises an adjusting pull rod (20) which is arranged in the adjusting through groove (18) in a penetrating manner, a limiting plate (21) which is arranged on the outer peripheral wall of the adjusting pull rod (20) and is abutted against one side of the centering fixing plate (16) close to the fixing plate (15), and a limiting abutting plate (22) which is arranged at one end, close to the fixing plate (15), of the adjusting pull rod (20), and the centering roller (17) is, the adjusting device is characterized by further comprising a limiting spring (24) which is arranged on the adjusting pull rod (20) and is fixedly connected with the limiting abutting plate (22) and the limiting plate (21) at two ends respectively, and a limiting clamping plate (25) which is arranged on a lever arm of the connecting plate (23) extending out of the limiting abutting plate (22), wherein the limiting clamping plate (25) is clamped with the adjusting clamping groove (19).

4. The alignment mechanism of claim 1, wherein the alignment mechanism comprises: opposite side subassembly (10) including set up at workstation frame (1) perpendicular to x axle direction both sides slide through groove (26), slide and set up connecting fagging (27) in sliding through groove (26), set up and connect installation even board (28) between fagging (27) and install through adjusting cylinder (42) and link board (28) installation to limit piece (29), block curb plate (4) are blockked to the pressing surface orientation of limit piece (29), still including setting up first drive arrangement (30) that are used for the drive to connect fagging (27) to slide on workstation frame (1).

5. The alignment mechanism of claim 1, wherein the alignment mechanism comprises: jacking subassembly (11) are including jacking base plate (31), set up and drive actuating cylinder (32) at the second of jacking base plate (31) upper surface, set up and drive linkage honeycomb panel (33) of actuating cylinder (32) drive end at the second and set up a plurality of honeycomb slots (40) at linkage honeycomb panel (33) upper surface and peg graft in honeycomb slot (40) and with jacking piece (34) that adjacent transfer roller (3) clearance aligns through inserted bar (43).

6. The adjusting and centering mechanism for automatically bonding the back plate of a liquid crystal display screen according to claim 2, wherein: the working table frame (1) is provided with a guide base (35), at least two guide through grooves (36) are arranged on the guide base (35) in a penetrating mode, and guide sliding rods (37) penetrating in the guide through grooves (36) are arranged between the fixed plate (15) and the centering fixed plate (16).

7. The alignment mechanism of claim 6, wherein the alignment mechanism further comprises: be provided with a plurality of regulation holes (38) that extend along centering fixed plate (16) length direction on centering fixed plate (16), it is a plurality of regulation hole (38) are provided with two rows of levels on centering fixed plate (16) at least, the one end that fixed plate (15) were kept away from in direction slide bar (37) is provided with regulating plate (39), regulating plate (39) pass through bolted connection with regulation hole (38).

8. The alignment mechanism of claim 5, wherein the alignment mechanism further comprises: the top end of the inserted bar (43) is provided with a thread block (44), and the bottom end of the jacking block is provided with a thread groove (45).

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