CN112875296A - Liquid crystal display panel clamping and overturning device with adjustable position precision - Google Patents

Abstract

The invention discloses a liquid crystal panel clamping and overturning device with adjustable position precision, which comprises an overturning rack, an overturning frame assembly and an overturning driving motor, wherein the overturning frame assembly comprises a top frame, a bottom frame and a plurality of vertical fixing columns; the lower end of the top frame is provided with movable clamping pieces which are used for being in contact with the upper surface of the liquid crystal panel, and the upper end of the bottom frame is provided with fixed clamping pieces which are used for being in contact with the lower surface of the liquid crystal panel; and the bottom of the turnover frame is also provided with a floating support mechanism for adjusting the planar position precision of the turnover frame component. The liquid crystal panel turnover device is reasonable in structural design, convenient and accurate in equipment position adjustment, capable of greatly simplifying the operation process of installation and debugging, capable of effectively ensuring that the movable clamping piece and the fixed clamping piece are matched to clamp the liquid crystal panel, capable of realizing stable turnover of the liquid crystal panel by 180 degrees, convenient and safe to operate and use, and capable of ensuring that the liquid crystal panel cannot be damaged.

Description

Liquid crystal display panel clamping and overturning device with adjustable position precision

Technical Field

The invention relates to the technical field of liquid crystal panel production, in particular to a liquid crystal panel clamping and overturning device with adjustable position precision.

Background

With the development of science and technology, liquid crystal display screens have become mainstream display devices of electronic products such as televisions, computers, mobile phones and the like. The liquid crystal display screen is produced by taking a liquid crystal panel as a raw material through a series of complex processes such as cutting and the like.

Along with the increase of market demand, the liquid crystal display panel size is bigger and bigger, and artifical upset is inefficient, the goods decreases highly, can not satisfy the needs of production already, consequently, on liquid crystal display automated production line, uses tipping arrangement to carry out centre gripping and upset to liquid crystal display panel usually. Because the size of the initial liquid crystal panel is large, and the thickness of the panel is thin, the conventional overturning equipment is adopted, so that the liquid crystal panel is difficult to ensure not to crack in the clamping and overturning process. How to design one kind and to stabilize centre gripping liquid crystal display panel, avoid liquid crystal display panel to be crushed, the equipment that can realize stabilizing the upset becomes the technical problem that this application needs to solve.

In addition, because the horizontal leveling precision of the ground is not high, and tiny height fluctuation exists, the precision of the installation plane of the equipment is greatly reduced, in order to ensure the precision of the installation position of the turnover equipment and ensure that the equipment can normally and safely turn over the liquid crystal panel, before the turnover equipment is used, the manual debugging and adjustment of the precision of the installation position of the turnover equipment need to be repeatedly carried out, the adjustment operation process is complicated and troublesome, the time for installing the equipment is greatly prolonged, and the higher position installation precision is difficult to ensure.

Disclosure of Invention

The present invention is directed to a clamping and flipping device for a liquid crystal display panel with adjustable position precision, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a liquid crystal panel clamping and overturning device with adjustable position precision comprises an overturning rack, an overturning frame assembly and an overturning driving motor, wherein the overturning frame assembly comprises a top frame, a bottom frame and a plurality of vertical fixing columns, the left side and the right side of the top frame are fixedly connected with the left side and the right side of the bottom frame through the vertical fixing columns, a transverse column is fixedly connected between the vertical fixing columns in the middle of each side, a rotating shaft is fixedly installed on the transverse column, the overturning frame assembly is installed in a rotating support on the overturning rack in a rotating fit mode through the rotating shafts on the left side and the right side, the overturning driving motor is further installed and fixed on the overturning rack, and the output end of the overturning driving motor is in driving; the lower end of the top frame is provided with movable clamping pieces which are used for being in contact with the upper surface of the liquid crystal panel, and the upper end of the bottom frame is provided with fixed clamping pieces which are used for being in contact with the lower surface of the liquid crystal panel;

the bottom of the turnover frame is also provided with a floating support mechanism for adjusting the planar position precision of the turnover frame component;

the periphery of the turnover rack is further provided with a fence frame, and the tops of the front side and the rear side of the fence frame are respectively provided with a static removing device used for removing static on the surface of the liquid crystal panel.

Preferably, still install on the outer wall of horizontal post and be fixed with big upset stopper and little upset stopper, big upset stopper and little upset stopper are located the front and back of pivot respectively, the left and right sides of upset frame is fixed mounting respectively has a set of buffering supporting shoe that is used for to big upset stopper spacing, and every group buffering supporting shoe is provided with two, and two buffering supporting shoes are located the front and back of rotating the support respectively.

Preferably, all wear to establish on big upset stopper and the little upset stopper and be fixed with the outrigger, the side fixed mounting respectively about the upset frame has a set of rotatory position cylinder of mending, and the flexible fixed mounting of rotatory position cylinder of mending is used for holding the stable piece of lifting of outrigger.

Preferably, the fixed clamping piece comprises a supporting base fixed on the upper end surface of the bottom frame and a fixed clamping strip fixedly installed on the supporting base;

the movable clamping piece comprises a middle frame, a plurality of transverse fixed seat plates distributed and fixed on the lower end face of the middle frame, a plurality of driving telescopic assemblies distributed and fixed on the lower end face of each transverse fixed seat plate and a plurality of movable clamping strips extending longitudinally, each driving telescopic assembly comprises a guiding telescopic rod and a clamping small cylinder, the bottom telescopic ends of the guiding telescopic rods and the clamping small cylinders are fixedly connected with the bottom telescopic seat plates, and the upper end face of each movable clamping strip is fixedly connected with the plurality of bottom telescopic seat plates arranged longitudinally;

the top frame is fixedly provided with a clamping driving large cylinder, the telescopic end of the clamping driving large cylinder is fixedly connected with the middle frame, the periphery of the middle frame is also fixedly provided with frame vertical guide rods, and the frame vertical guide rods are movably inserted into vertical guide seats which are fixedly distributed on the top frame.

Preferably, the floating support mechanism comprises a bottom support frame which is used for being installed on the ground, a group of floating air cylinders which are used for supporting the overturning rack are installed on the left side and the right side of the upper end face of the bottom support frame, and a rack position adjusting mechanism is installed at the left end, the right end and the middle of the upper end face of the bottom support frame.

Preferably, the floating cylinder comprises a base plate, a movable plate, a supporting plate, a cylinder plate and a movable column, a base plate is fixed on the bottom supporting frame, the base plate is fixedly supported on the base plate, the movable plate is arranged above the base plate, the lower end face of the movable plate is in rolling contact with the upper end face of the base plate through a clamped thrust ball bearing, the supporting plate is fixedly arranged on the upper end face of the movable plate, a central circular groove matched with the cylinder plate is formed in the center of the upper end face of the supporting plate, a plurality of air guide holes are distributed on the end face of the central circular groove around the central axis of the central circular groove, a plurality of air guide channels are arranged in the supporting plate, the inner ends of the air guide channels are communicated with the corresponding air guide holes, the outer ends of the air guide channels penetrate through the side wall of the supporting plate and are communicated with an installation air tap, and the, the connecting sleeve cap is movably arranged in the through hole in the center of the supporting plate in a penetrating way, and an inner lining ring is arranged between the connecting sleeve cap and the inner wall of the through hole in the center of the supporting plate; the upper end face of the movable disc is provided with a central groove cavity, the center of the end face of the central groove cavity is provided with a through hole, the bottom of the connecting sleeve cap is fixedly connected with the top of the movable column, the bottom end of the movable column penetrates through the through hole in the center of the end face of the central groove cavity, a bushing is arranged between the movable column and the through hole in the center of the end face of the central groove cavity, and a compression spring sleeved on the movable column is arranged between a bushing retaining ring at the upper end of the bushing and a cap edge retaining ring at the bottom of; a movable through hole for the horizontal movement of the movable column is formed in the center of the base plate, and a base plate through hole for the movement of the movable column is formed in the base plate;

the base plate is provided with a plurality of threaded columns in a distributed manner around the central axis of the base plate, the threaded columns are arranged in the base plate in a penetrating manner through external threads on the outer wall of the circumference, the top parts of the threaded columns are in contact connection with the lower end face of the base plate, hexagonal grooves are formed in the end faces of the bottoms of the threaded columns, column inserting through holes penetrating through the top ends of the threaded columns are formed in the end faces of the hexagonal grooves, threaded inserting columns with the tops matched with insertion holes in the lower end face of the base plate in a threaded manner are arranged in the column inserting through holes in a penetrating manner, and locking nuts with the upper end faces attached to the;

a plurality of mounting through holes are distributed on the supporting disc around the central axis of the supporting disc, and locking screws with the lower ends matched with the threaded holes in the movable disc penetrate through the mounting through holes;

a central through hole is formed in the center of the cylinder disc, a connecting screw with the lower end inserted into the upper section of the sleeve cap screw hole of the connecting sleeve cap through threads penetrates through the central through hole, a connecting stud is arranged at the top of the movable column, and the connecting stud is inserted into the lower section of the sleeve cap screw hole of the connecting sleeve cap through threads; and the upper end surface of the base plate is provided with a limiting stop ring for limiting the movable plate from moving excessively.

Preferably, frame position guiding mechanism rotates the adjustment lead screw of installation, adjustment chassis bedplate on the adjustment chassis bedplate, the adjustment chassis bedplate including fixing on bottom braced frame on, adjusts nut slide, adjustment chassis bedplate end fixing's adjustment motor, fixed mounting and at the horizontal adjustment guide rail of terminal surface under the upset frame and with horizontal adjustment guide rail sliding fit's adjustment slide, adjustment motor's output and the end drive of adjustment lead screw are connected, the nut slide passes through the screw-thread fit suit on the adjustment lead screw, and the lateral wall fixed mounting of nut slide has lateral part adjustment support, the lower terminal surface of adjustment slide extends has the adjustment pivot, and the activity cartridge of adjustment pivot is on lateral part adjustment support.

Preferably, the left frame position adjusting mechanism and the right frame position adjusting mechanism are arranged at the lower end of the turnover frame in a centrosymmetric manner, and the central axis of the adjusting screw rod of the middle frame position adjusting mechanism is perpendicular to the central axis of the adjusting screw rod of the left frame position adjusting mechanism.

Preferably, the front and back end of fence frame all is provided with two-dimensional code recognition mechanism, and two-dimensional code recognition mechanism is including discerning the frame, and discernment frame top is provided with the frame platform bedplate, and terminal surface mounting has the jacking cylinder under the frame platform bedplate, and the flexible rod end of jacking cylinder passes the frame platform bedplate and is connected with the jacking bedplate, and the lower terminal surface both sides of jacking bedplate are fixed with the jacking guide bar, and the activity cartridge of jacking guide bar is in the jacking guide sleeve of frame platform bedplate, jacking bedplate up end fixed mounting have horizontal flexible rodless cylinder, rodless cylinder's drive end is fixed with the U type mounting bracket of empting, and the industry camera that is used for shooing the two-dimensional code is installed to the top free end of U type mounting bracket, the bottom free end of U type mounting bracket install be used for with.

Preferably, the static-removing device comprises a long-strip-shaped air duct shell and an installation rod frame, the installation rod frame is fixedly connected with the fence frame through a rod frame support fixed at two ends, the air duct shell is fixed on the installation rod frame through a plurality of shell connecting frames, a plurality of air outlets communicated with an internal channel of the air duct shell are formed in the lower end face of the air duct shell in a distributed mode, an electrode is arranged at the air outlet in a distributed mode, a wire connector is installed at the left end of the air duct shell and is electrified to the electrode through an internal wire, an air-ventilating interface is installed at the right end of the air duct shell and is communicated with the internal channel of the air duct shell.

Compared with the prior art, the invention has the beneficial effects that:

1. the turnover frame is supported by the floating cylinder, so that the horizontal position precision of the turnover frame assembly is ensured, the liquid crystal panel can be stably and safely clamped by the movable clamping piece and the fixed clamping piece in a matched manner, a good shock absorption and buffering effect can be achieved, and the liquid crystal panel is prevented from being greatly impacted;

2. the left side, the right side and the middle rack position adjusting mechanisms are matched, so that the front-back, left-right and rotating position adjustment can be performed on the turnover rack, the position adjustment of the turnover rack on a horizontal plane is performed by adopting a mechanical lead screw adjusting mechanism, the position adjustment is accurate, the operation and the use are convenient, the operation process of installation and debugging is greatly simplified, and the installation and adjustment time is shortened;

3. shooting the two-dimensional codes of the liquid crystal panel by the industrial cameras of the two-dimensional code recognition mechanisms at the front end and the rear end, and conveniently recording the feeding information and the discharging information after overturning of the liquid crystal panel;

4. the static electricity of the large-size liquid crystal panel can be removed through the static electricity removing devices at the front end and the rear end, and the operation and use effects are good;

5. the liquid crystal panel is conveyed and placed on a fixed clamping piece inside the turnover frame assembly through a robot fork, a movable clamping piece starts to work, the liquid crystal panel is clamped by matching with the fixed clamping piece, then, a turnover driving motor works to drive the turnover frame assembly to rotate around a rotating shaft, and therefore the liquid crystal panel is turned over; after the turnover frame assembly is turned over each time, all the rotary position supplementing cylinders drive the corresponding stable lifting blocks to ascend and abut against the stable supporting columns, so that the turnover frame assembly is stably positioned in a horizontal state, and the liquid crystal panel is conveniently clamped or loosened and transferred; the small clamping cylinder is clamped to move in small micro displacement, so that clamping is accurate, stable clamping force can be ensured, and the risk of breakage and damage caused by overlarge clamping force on the liquid crystal panel is avoided;

6. the liquid crystal panel turnover device is reasonable in structural design, convenient and accurate in equipment position adjustment, capable of greatly simplifying the operation process of installation and debugging, capable of effectively ensuring that the movable clamping piece and the fixed clamping piece are matched to clamp the liquid crystal panel, capable of realizing stable turnover of the liquid crystal panel by 180 degrees, convenient and safe to operate and use, and capable of ensuring that the liquid crystal panel cannot be damaged.

Drawings

FIG. 1 is a schematic perspective view of a clamping and flipping device for a liquid crystal display panel with adjustable position accuracy;

FIG. 2 is a schematic perspective view of a clamping and flipping mechanism of a liquid crystal panel clamping and flipping mechanism with adjustable position accuracy;

FIG. 3 is a schematic perspective view of a flipping frame in a liquid crystal panel clamping and flipping apparatus with adjustable position accuracy;

FIG. 4 is a schematic perspective view of a tilting frame assembly of a liquid crystal panel clamping and tilting apparatus with adjustable position accuracy;

FIG. 5 is an enlarged schematic perspective view of a position A of a liquid crystal panel clamping and flipping apparatus with adjustable position accuracy;

FIG. 6 is a schematic perspective view of a movable clamp of the liquid crystal panel clamping and flipping apparatus with adjustable position accuracy;

FIG. 7 is an enlarged schematic perspective view of a position B of a liquid crystal panel clamping and flipping apparatus with adjustable position accuracy;

FIG. 8 is a schematic side view of a floating support mechanism in an adjustable positioning accuracy LCD panel clamping and flipping apparatus;

FIG. 9 is a schematic top perspective view of a floating support mechanism in an adjustable positioning accuracy LCD panel clamping and flipping apparatus;

FIG. 10 is a schematic perspective view of a frame orientation adjustment mechanism of a liquid crystal panel clamping and flipping apparatus with adjustable position accuracy;

fig. 11 is a schematic perspective view of a two-dimensional code recognition mechanism in a liquid crystal panel clamping and flipping apparatus with adjustable position accuracy;

FIG. 12 is a schematic perspective view of a static discharge apparatus in a clamping and flipping apparatus for a liquid crystal panel with adjustable position accuracy;

FIG. 13 is a schematic cross-sectional view of a floating cylinder in a clamping and flipping apparatus for a liquid crystal panel with adjustable position accuracy;

fig. 14 is a schematic structural view of a floating cylinder moving in a liquid crystal panel clamping and flipping apparatus with adjustable position accuracy.

In the figure: 100-a liquid crystal panel, 1-a turnover rack, 11-a rotating support, 12-a buffer supporting block, 2-a turnover driving motor, 3-a rotary position supplementing cylinder, 31-a stable lifting block, 4-a turnover frame component, 41-a top frame, 42-a vertical fixing column, 43-a bottom frame, 44-a transverse column, 45-a rotating shaft, 46-a large turnover limiting block, 47-a small turnover limiting block and 48-a stable supporting column;

5-clamping driving large cylinder, 51-middle frame, 52-frame vertical guide rod, 53-vertical guide seat, 54-movable clamping piece, 541-transverse fixed seat plate, 542-driving telescopic component, 543-guide telescopic rod, 544-clamping small cylinder, 545-bottom telescopic seat plate, 546-movable clamping strip, 55-fixed clamping piece, 551-fixed clamping strip and 552-supporting base;

6-two-dimensional code recognition mechanism, 61-recognition rack, 62-rack platform seat plate, 63-jacking cylinder, 64-jacking guide rod, 65-jacking seat plate, 66-rodless cylinder, 67-U-shaped mounting rack, 68-industrial camera, 69-bottom lining plate;

7-floating support mechanism, 71-bottom support frame, 711-base plate, 72-frame orientation adjusting mechanism, 721-adjusting bottom frame base plate, 722-adjusting motor, 723-adjusting screw rod, 724-nut sliding seat, 725-side adjusting support seat, 726-adjusting sliding seat and 727-transverse adjusting guide rail;

73-floating cylinder, 731-base disc, 7311-limit stop ring, 732-movable disc, 7321-thrust ball bearing, 733-support disc, 7331-air guide channel, 734-cylinder disc, 735-connecting sleeve cap, 7351-inner lining ring, 736-movable column, 737-lining sleeve, 738-compression spring, 739-screw column, 7391-locking nut, 7392-screw plug column;

8-fence frame, 81-static electricity removing device, 811-bar frame support, 812-mounting bar frame, 813-shell connecting frame, 814-air duct shell, 815-electrode, 816-ventilation interface and 817-line connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 13, the present invention provides a technical solution: a liquid crystal panel clamping and overturning device with adjustable position precision comprises an overturning rack 1, an overturning frame assembly 4 and an overturning driving motor 2, wherein the overturning frame assembly 4 comprises a top frame 41, a bottom frame 43 and a plurality of vertical fixing columns 42, the left side and the right side of the top frame 41 are fixedly connected with the left side and the right side of the bottom frame 43 through the vertical fixing columns 42, a transverse column 44 is fixedly connected between the vertical fixing columns 42 in the middle of each side, a rotating shaft 45 is fixedly installed on the transverse column 44, the overturning frame assembly 4 is installed in a rotating support 11 on the overturning rack 1 in a rotating fit mode through the rotating shafts 45 on the left side and the right side, the overturning driving motor 2 is further installed and fixed on the overturning rack 1, and the output end of the overturning driving motor 2 is in driving connection; the lower end of the top frame 41 is provided with a movable clamping piece 54 which is used for contacting with the upper surface of the liquid crystal panel 100, and the upper end of the bottom frame 43 is provided with a fixed clamping piece 55 which is used for contacting with the lower surface of the liquid crystal panel 100;

the bottom of the turnover frame 1 is also provided with a floating support mechanism 7 for adjusting the planar position precision of the turnover frame assembly 4; through the support of the floating support mechanism 7, the planar position precision of the roll-over frame assembly 4 is ensured, and the liquid crystal panel can be stably and safely clamped by the movable clamping piece 54 and the fixed clamping piece 55 in a matching way.

The periphery of the turnover rack 1 is further provided with a fence frame 8, and the top of the front side and the back side of the fence frame 8 are respectively provided with a static removing device 81 for removing static on the surface of the liquid crystal panel.

The working principle of the invention is as follows: liquid crystal panel 100 is transported and placed on the fixed clamping piece 55 inside the turnover frame assembly 4 through the robot fork, in the transporting process, static electricity on the surface of the liquid crystal panel is removed through the static electricity removing device 81 on the front side, then, the movable clamping piece 54 starts working, the liquid crystal panel 100 is clamped tightly by the fixed clamping piece 55 in a matching mode, then, the turnover driving motor 2 works, the driving turnover frame assembly 4 rotates around the rotating shaft 45, 180-degree turnover of the liquid crystal panel 100 is realized, when the liquid crystal panel is transported out through the robot fork subsequently, static electricity on the surface of the liquid crystal panel is removed through the static electricity removing device 81 on the rear side.

Referring to fig. 3-5, a large overturning limiting block 46 and a small overturning limiting block 47 are further mounted and fixed on the outer wall of the transverse column 44, the large overturning limiting block 46 and the small overturning limiting block 47 are respectively located in the front and rear of the rotating shaft 45, a group of buffer supporting blocks 12 for limiting the large overturning limiting block 46 are respectively and fixedly mounted on the left side and the right side of the overturning frame 1, two buffer supporting blocks 12 are arranged in each group, and the two buffer supporting blocks 12 are respectively located in the front and rear of the rotating support 11. The buffer support block 12 can buffer and limit the large overturning limiting block 46, and the overturning frame assembly 4 is prevented from overturning by more than 180 degrees.

All wear to establish on big upset stopper 46 and the little upset stopper 47 and be fixed with outrigger 48, the side fixed mounting respectively about upset frame 1 has a set of rotatory position cylinder 3 of mending, and the flexible end fixed mounting of rotatory position cylinder 3 of mending is used for holding outrigger 48's stable lifting block 31.

After the roll-over frame assembly 4 is turned over each time, all the rotary position-complementing cylinders 3 drive the corresponding stable lifting blocks 31 to ascend and abut against the stable supporting columns 48, so that the roll-over frame assembly 4 is stably in a horizontal state, and the liquid crystal panel 100 is conveniently clamped or loosened for transfer.

Referring to fig. 4 and fig. 6-7, the fixing clip 55 includes a supporting base 552 fixed on the upper end surface of the bottom frame 43 and a fixing clip strip 551 fixedly mounted on the supporting base 552;

the movable clamping piece 54 comprises a middle frame 51, a plurality of transverse fixed seat plates 541 distributed and fixed on the lower end face of the middle frame 51, a plurality of driving telescopic assemblies 542 distributed and fixed on the lower end face of the transverse fixed seat plates 541, and a plurality of movable clamping strips 546 extending longitudinally, the driving telescopic assemblies comprise guiding telescopic rods 543 and clamping small cylinders 544, the bottom telescopic ends of the guiding telescopic rods 543 and the clamping small cylinders 544 are fixedly connected with the bottom telescopic seat plates 545, and the upper end faces of the movable clamping strips 546 are fixedly connected with the plurality of bottom telescopic seat plates 545 arranged longitudinally;

the fixed clamping strip 551 and the movable clamping strip 546 can adopt clamping strips with the same structure, the clamping strips are composed of aluminum alloy support strips and one layer of arc-shaped rubber surfaces installed at the clamping ends of the aluminum alloy support strips, and the arc-shaped rubber surfaces are directly contacted with the liquid crystal panel 100 to avoid the liquid crystal panel 100 from being abraded.

The top frame 41 is fixedly provided with clamping driving large cylinders 5, the telescopic ends of the clamping driving large cylinders 5 are fixedly connected with the middle frame 51, the periphery of the middle frame 51 is also fixedly provided with frame vertical guide rods 52, and the frame vertical guide rods 52 are movably inserted into vertical guide seats 53 which are fixedly distributed on the top frame 43.

In the clamping process, the middle frame 51 is driven to move downwards by the clamping driving large cylinder 5, after the movable clamping strip 546 is close to the upper surface of the liquid crystal panel 100, the movable clamping strip 546 is driven to move downwards by the clamping small cylinder 544, the liquid crystal panel 100 is clamped, small and micro displacement movement is carried out by the clamping small cylinder 544, clamping accuracy can be achieved, stable clamping force can be guaranteed, and meanwhile the risk of fracture damage caused by overlarge clamping force suffered by the liquid crystal panel 100 is avoided.

Referring to fig. 8-10, the floating support mechanism 7 includes a bottom support frame 71 installed on the ground, a group of floating cylinders 73 for supporting the turnover frame 1 are installed on both left and right sides of the upper end surface of the bottom support frame 71, and frame position adjusting mechanisms 72 are installed on the left end, the right end, and the middle of the upper end surface of the bottom support frame 71.

The floating cylinder 73 comprises a base plate 731, a movable plate 732, a supporting plate 733, a cylinder plate 734 and a movable column 736, wherein a base plate 711 is fixed on the bottom supporting frame 71, the base plate 711 is fixedly supported by the base plate 711, the base plate 731 is provided with the movable plate 732, the lower end surface of the movable plate 732 is connected with the upper end surface of the base plate 731 in a rolling contact manner through a clamped thrust ball bearing 7321, the upper end surface of the movable plate 732 is fixedly provided with the supporting plate 733, the center of the upper end surface of the supporting plate 733 is provided with a central circular groove matched with the cylinder plate 734, the end surface of the central circular groove is provided with a plurality of air guide holes around the central axis of the central circular groove, a plurality of air guide channels 7331 are arranged in the supporting plate 733, the inner ends of the air guide channels 7331 are communicated with corresponding air guide holes, the outer ends of the air guide channels 7331 penetrate through the side wall of the supporting plate 733 and are communicated with the mounting air nozzle 734, the center of, the connecting sleeve cap 735 is movably arranged in a through hole in the center of the supporting plate 733 in a penetrating manner, and a lining ring 7351 is arranged between the connecting sleeve cap 735 and the inner wall of the through hole in the center of the supporting plate 733; a central groove cavity is formed in the upper end face of the movable disc 732, a through hole penetrating through the center of the end face of the central groove cavity is formed in the center of the end face of the central groove cavity, the bottom of the connecting sleeve cap 735 is fixedly connected with the top of the movable column 736, the bottom end of the movable column 736 penetrates through the through hole in the center of the end face of the central groove cavity, a lining 737 is arranged between the movable column 736 and the through hole in the center of the end face of the central groove cavity, and a compression spring 738 sleeved on the movable column 736 is arranged between a lining retainer ring at the upper end of the lining; a movable through hole for the horizontal movement of the movable column 736 is formed in the center of the base plate 731, and a seat plate through hole for the movement of the movable column 736 is formed in the base plate 711;

a plurality of threaded columns 739 are distributed on the base plate 711 around the central axis of the base plate 731, the threaded columns 739 are arranged in the base plate 711 in a penetrating manner through external threads on the outer circumferential wall, the top of each threaded column 739 is in contact connection with the lower end face of the base plate 731, a hexagonal groove is formed in the end face of the bottom of each threaded column 739, a column inserting through hole penetrating through the top end of each threaded column 739 is formed in the end face of the hexagonal groove, a threaded column inserting 7392 with the top in threaded fit with an inserting hole in the lower end face of the base plate 731 is formed in the column inserting through hole, and a locking nut 7391 with the upper end face in fit with the lower end face of the base plate 711 is in;

a plurality of mounting through holes are distributed on the supporting plate 733 and surround the central axis of the supporting plate 733, and locking screws with lower ends matched with threaded holes on the movable plate 732 penetrate through the mounting through holes;

a central through hole is formed in the center of the cylinder disc 734, a connecting screw with the lower end inserted into the upper section of the sleeve cap screw hole of the connecting sleeve cap 735 through threads penetrates through the central through hole, a connecting stud is arranged at the top of the movable column 736, and the connecting stud is inserted into the lower section of the sleeve cap screw hole of the connecting sleeve cap 735 through threads; the upper end surface of the base plate 731 is provided with a limit stop ring 7311 for limiting the excessive movement of the movable plate 732.

The operating principle of the floating cylinder 73 is: the supporting disk 733 of the floating cylinder 73 supports the turnover frame 1, when the plane position is adjusted, because the lower end face of the movable disk 732 is connected with the upper end face of the base disk 731 through the clamped thrust ball bearing 7321 in a rolling contact manner, the movable disk 732 and the supporting disk 733 are communicated with the turnover frame 1 to make a slight horizontal displacement relative to the base disk 731, and the horizontal position of the turnover frame 1 can be adjusted by matching the action of the frame position adjusting mechanism 72;

the height position of each floating cylinder 73 can be adjusted by rotating the threaded post 739 of each floating cylinder 73, and because the turnover frame 1 is supported by four floating cylinders 73 around the bottom, the turnover frame 1 can be horizontally installed through the height positions of the floating cylinders 73, so that the installation horizontal precision of the equipment is effectively ensured, and all the fixed clamping pieces 55 can be ensured to be stably contacted with the liquid crystal panel;

when the liquid crystal panel is conveyed to the position above the fixed clamping piece 55 in the turnover frame assembly 4, high-pressure gas is slowly introduced into the gas guide channel 7331 by using the mounting gas nozzle, and finally the high-pressure gas flows out from the gas guide hole, so that the cylinder disc 4 is driven to float upwards, the cylinder disc 4 drives the whole turnover frame 1 to ascend for a certain distance, and the liquid crystal panel is slowly supported by the fixed clamping piece 55; after the fork of the robot is pulled out, the movable clamping piece 54 and the fixed clamping piece 55 are matched to clamp the liquid crystal panel, so that the liquid crystal panel can be turned over, and the high-pressure gas and the compression spring 738 which are slowly led out or led in can play a good shock absorption and buffering role, so that the liquid crystal panel is prevented from being greatly impacted.

Referring to fig. 10, the frame orientation adjusting mechanism 72 includes an adjusting chassis base plate 721 fixed on the bottom supporting frame 71, an adjusting screw 723 rotatably mounted on the adjusting chassis base plate 721, a nut slide 724 slidably mounted on the adjusting chassis base plate 721, an adjusting motor 722 fixed at an end of the adjusting chassis base plate 721, a transverse adjusting guide 727 fixedly mounted on a lower end surface of the turnover frame 1, and an adjusting slide 726 slidably fitted with the transverse adjusting guide 727, an output end of the adjusting motor 722 is drivingly connected with an end portion of the adjusting screw 723, the nut slide 724 is sleeved on the adjusting screw 723 through a threaded fit, a side adjusting support 725 is fixedly mounted on a side wall of the nut slide 724, an adjusting shaft extends from a lower end surface of the adjusting slide 726, and the adjusting shaft is movably inserted on the side adjusting support 725.

The left frame orientation adjusting mechanism 72 and the right frame orientation adjusting mechanism 72 are arranged at the lower end of the turnover frame 1 in a central symmetry manner, and the central axis of the adjusting screw 723 of the middle frame orientation adjusting mechanism 72 is perpendicular to the central axis of the adjusting screw 723 of the left frame orientation adjusting mechanism 72.

The working principle of the frame orientation adjusting mechanism 72 is as follows: when the front and rear positions of the turnover frame 1 need to be adjusted, the left frame position adjusting mechanism 72 and the right frame position adjusting mechanism 72 work simultaneously, one of the adjusting motors 722 rotates forwards, the other adjusting motor 722 rotates backwards, the moving direction of the nut slide 724 in the left frame position adjusting mechanism 72 is the same as that of the nut slide 724 in the right frame position adjusting mechanism 72, the nut slide 724 drives the corresponding side adjusting support 725 and the adjusting slide 726 to move forwards and backwards, and because the two ends of the left and right transverse adjusting guide rails 727 extend leftwards and rightwards, the adjusting slide 726 can push the left and right transverse adjusting guide rails 727 to move forwards and backwards, so that the whole turnover frame 1 can be driven to adjust the front and rear positions;

when the left and right positions of the turnover frame 1 need to be adjusted, the middle frame position adjusting mechanism 72 works to enable the middle nut slide base 724 to transversely move left and right, and because the two ends of the middle transverse adjusting guide rail 727 are in a front-back extending state, the middle adjusting slide base 726 can push the middle transverse adjusting guide rail 727 to move left and right, so that the whole turnover frame 1 can be driven to adjust the left and right positions;

when the installation angle of the turnover frame 1 needs to be adjusted, the frame position adjusting mechanism 72 on the left side and the frame position adjusting mechanism 72 on the right side work simultaneously, and the two adjusting motors 722 rotate forwards or backwards simultaneously, so that the whole turnover frame 1 rotates anticlockwise or clockwise on the horizontal plane, and the central axis of the turnover frame 1 is the central axis of the middle adjusting rotating shaft.

The position of the turnover rack 1 on the horizontal plane is adjusted by adopting a mechanical lead screw adjusting mechanism, the position adjustment is accurate, the operation and the use are convenient, the operation process of installation and debugging is greatly simplified, and the time of installation and adjustment is shortened.

Referring to fig. 1 and 11, the front end and the rear end of the rail frame 8 are both provided with two-dimension code recognition mechanisms 6, each two-dimension code recognition mechanism 6 includes a recognition frame 61, the top of the recognition frame 61 is provided with a frame platform seat plate 62, the lower end surface of the frame platform seat plate 62 is provided with a jacking cylinder 63, the telescopic rod end of the jacking cylinder 63 passes through the frame platform seat plate 62 and is connected with a jacking seat plate 65, the two sides of the lower end surface of the jacking seat plate 65 are fixed with jacking guide rods 64, the jacking guide rods 64 are movably inserted into jacking guide sleeves of the frame platform seat plate 62, jacking bedplate 65 up end fixed mounting have horizontal flexible rodless cylinder 66, rodless cylinder 66's drive end is fixed with the U type mounting bracket 67 of empting, the industry camera 68 that is used for shooing the two-dimensional code is installed to the top free end of U type mounting bracket 67, the bottom free end of U type mounting bracket 67 install be used for with industry camera 68 complex bottom welt 69.

When the liquid crystal panel is conveyed into the turnover frame assembly 4 and is not turned over, the two-dimensional code recognition mechanism 6 at the front end of the fence frame 8 starts to work, the rodless cylinder 66 drives the U-shaped mounting frame 67 to approach the liquid crystal panel, so that the industrial camera 68 moves above the two-dimensional code of the liquid crystal panel, the bottom lining plate 69 moves below the two-dimensional code of the liquid crystal panel, then the industrial camera 68 shoots the two-dimensional code and sends image information of the two-dimensional code to the recognition controller, and the recognition controller records feeding information of the liquid crystal panel;

after the liquid crystal display panel is turned over, the height position of the liquid crystal display panel changes at this moment, the two-dimensional code recognition mechanism 6 at the rear end of the fence frame 8 starts to work, the jacking cylinder 63 drives the jacking seat plate 65 to ascend, then the rodless cylinder 66 drives the U-shaped mounting frame 67 to be close to the liquid crystal display panel, so that the industrial camera 68 moves to the two-dimensional code top of the liquid crystal display panel, the bottom lining plate 69 moves to the two-dimensional code below of the liquid crystal display panel, then, the industrial camera 68 shoots the two-dimensional code and sends the two-dimensional code image information to the recognition controller, and the recognition controller records the discharge information after the liquid crystal display panel is turned over.

Referring to fig. 1 and 12, the static electricity removing device 81 includes an elongated air duct housing 814 and an installation rod frame 812, the installation rod frame 812 is fixedly connected to the fence frame 1 through a rod frame support 811 fixed at two ends, the air duct housing 814 is fixed to the installation rod frame 812 through a plurality of housing connection frames 813, a plurality of air outlets communicated with an internal channel of the air duct housing 814 are distributed on a lower end surface of the air duct housing 814, an electrode 815 is distributed and installed at the air outlet, a wire connector 817 is installed at a left end of the air duct housing 814, the wire connector 817 supplies power to the electrode through an internal wire, a ventilation interface 816 is installed at a right end of the air duct housing 814, and the ventilation interface 816 is communicated with the internal channel of the air duct housing 814.

The operation principle of the static electricity removing device 81 is as follows: compressed air is introduced into the internal channel of the air duct housing 814 through the air inlet 816, the compressed air is ejected from each air outlet, positive and negative ions in the compressed air are ionized through the electrodes 815, and the positive and negative ions are blown to the liquid crystal panel, so that static electricity is eliminated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a liquid crystal display panel centre gripping turning device with adjustable position accuracy which characterized in that: comprises a turnover frame (1), a turnover frame component (4) and a turnover driving motor (2), the turnover frame assembly (4) comprises a top frame (41), a bottom frame (43) and a plurality of vertical fixing columns (42), the left side and the right side of the top frame (41) are fixedly connected with the left side and the right side of the bottom frame (43) through the vertical fixing columns (42), a transverse column (44) is fixedly connected between the vertical fixing columns (42) in the middle of each side, a rotating shaft (45) is fixedly installed on the transverse column (44), the turnover frame assembly (4) is installed in a rotating support (11) on the turnover rack (1) in a rotating fit mode through the rotating shafts (45) on the left side and the right side, a turnover driving motor (2) is further installed and fixed on the turnover rack (1), and the output end of the turnover driving motor (2) is in driving connection with the end portion of one rotating shaft; the lower end of the top frame (41) is provided with movable clamping pieces (54) which are used for being in contact with the upper surface of the liquid crystal panel (100) in a distributed mode, and the upper end of the bottom frame (43) is provided with fixed clamping pieces (55) which are used for being in contact with the lower surface of the liquid crystal panel (100) in a distributed mode;

the bottom of the turnover frame (1) is also provided with a floating support mechanism (7) for adjusting the planar position precision of the turnover frame component (4);

the periphery of upset frame (1) still is provided with rail frame (8), destaticizing device (81) that are used for getting rid of liquid crystal panel surface static are all installed at the front and back side top of rail frame (8).

2. The clamping and turning device for the liquid crystal panel with adjustable position precision as claimed in claim 1, wherein: still install on the outer wall of horizontal post (44) and be fixed with big upset stopper (46) and little upset stopper (47), big upset stopper (46) and little upset stopper (47) are located the front and back of pivot (45) respectively, the side is fixed mounting respectively about upset frame (1) has a set of buffer support block (12) that are used for spacing big upset stopper (46), and every group buffer support block (12) are provided with two, and two buffer support blocks (12) are located the front and back of rotating support (11) respectively.

3. The clamping and flipping device of claim 2, wherein: all wear to establish on big upset stopper (46) and the little upset stopper (47) and be fixed with outrigger (48), the side fixed mounting respectively has a set of rotatory position cylinder (3) of mending about upset frame (1), and the flexible end fixed mounting of rotatory position cylinder (3) is used for holding outrigger (48) stabilize lift piece (31).

4. The clamping and turning device for the liquid crystal panel with adjustable position precision as claimed in claim 1, wherein: the fixed clamping piece (55) comprises a supporting base (552) fixed on the upper end surface of the bottom frame (43) and a fixed clamping strip (551) fixedly installed on the supporting base (552);

the movable clamping piece (54) comprises a middle frame (51), a plurality of transverse fixed seat plates (541) which are distributed and fixed on the lower end face of the middle frame (51), a plurality of driving telescopic assemblies (542) which are distributed and fixed on the lower end face of the transverse fixed seat plates (541) and a plurality of movable clamping strips (546) which extend longitudinally, each driving telescopic assembly comprises a guiding telescopic rod (543) and a clamping small cylinder (544), the bottom telescopic ends of the guiding telescopic rods (543) and the clamping small cylinders (544) are fixedly connected with the bottom telescopic seat plates (545), and the upper end faces of the movable clamping strips (546) are fixedly connected with the plurality of bottom telescopic seat plates (545) which are arranged longitudinally;

the top frame (41) is provided with a clamping driving large cylinder (5) in a distributed and fixed mode, the telescopic end of the clamping driving large cylinder (5) is fixedly connected with the middle frame (51), the periphery of the middle frame (51) is also fixedly provided with frame vertical guide rods (52), and the frame vertical guide rods (52) are movably inserted into vertical guide seats (53) which are fixedly distributed on the top frame (43).

5. The device of claim 4, wherein the liquid crystal panel clamping and flipping mechanism comprises: the floating support mechanism (7) comprises a bottom support frame (71) which is used for being installed on the ground, a group of floating cylinders (73) which are used for supporting the overturning frame (1) are installed on the left side and the right side of the upper end face of the bottom support frame (71), and a frame position adjusting mechanism (72) is installed at the left end, the right end and the middle of the upper end face of the bottom support frame (71).

6. The clamping and flipping device of claim 5, wherein: the floating cylinder (73) comprises a base plate (731), a movable plate (732), a supporting plate (733), a cylinder plate (734) and a movable column (736), a base plate (711) is fixed on the bottom supporting frame (71), the base plate (731) is fixed on the base plate (711) in a supporting manner, the movable plate (732) is arranged above the base plate (731), the lower end face of the movable plate (732) is connected with the upper end face of the base plate (731) in a rolling contact manner through a clamped thrust ball bearing (7321), a supporting plate (733) is fixedly installed on the upper end face of the movable plate (732), a central circular groove matched with the cylinder plate (734) is formed in the center of the upper end face of the supporting plate (733), a plurality of air guide holes are distributed on the end face of the central circular groove around the central axis of the central circular groove, a plurality of air guide channels (7331) are arranged in the supporting plate (733), and the inner end of the air guide channels (7331), the outer end of the air guide channel (7331) penetrates through the side wall of the supporting plate (733) and is communicated with the mounting air tap, the center of the bottom of the air cylinder plate (734) is fixedly connected with the top of a connecting sleeve cap (735) of which the bottom is provided with a brim check ring, the connecting sleeve cap (735) is movably arranged in a through hole in the center of the supporting plate (733) in a penetrating way, and an inner lining ring (7351) is arranged between the connecting sleeve cap (735) and the inner wall of the through hole in the center of the supporting plate (733; a central groove cavity is formed in the upper end face of the movable disc (732), a through hole penetrating through the center of the end face of the central groove cavity is formed in the center of the end face of the central groove cavity, the bottom of the connecting sleeve cap (735) is fixedly connected with the top of the movable column (736), the bottom end of the movable column (736) penetrates through the through hole in the center of the end face of the central groove cavity, a lining (737) is arranged between the movable column (736) and the through hole in the center of the end face of the central groove cavity, and a compression spring (738) sleeved on the movable column (736) is arranged between a lining retainer ring at the upper end of the lining (737); a movable through hole for the horizontal movement of the movable column (736) is formed in the center of the base plate (731), and a seat plate through hole for the movement of the movable column (736) is formed in the base plate (711);

the base plate (711) is provided with a plurality of threaded columns (739) in a distributed manner around the central axis of the base plate (731), the threaded columns (739) are arranged in the base plate (711) in a penetrating manner through external threads on the outer circumferential wall, the tops of the threaded columns (739) are in contact connection with the lower end face of the base plate (731), the bottom end face of each threaded column (739) is provided with a hexagonal groove, the end face of the hexagonal groove is provided with a column inserting through hole penetrating through the top end of the threaded column (739), the column inserting through hole is internally provided with a threaded column (7392) with the top matched with a jack on the lower end face of the base plate (731) in a penetrating manner, and the lower section of each threaded column (739) is matched with a locking nut (7391) with the upper end face;

a plurality of mounting through holes are distributed on the supporting plate (733) around the central axis of the supporting plate (733), and locking screws with lower ends matched with threaded holes on the movable plate (732) penetrate through the mounting through holes;

a central through hole is formed in the center of the cylinder disc (734), a connecting screw with the lower end inserted into the upper section of the sleeve cap screw hole of the connecting sleeve cap (735) through threads penetrates through the central through hole, a connecting stud is arranged at the top of the movable column (736), and the connecting stud is inserted into the lower section of the sleeve cap screw hole of the connecting sleeve cap (735) through threads; the upper end face of the base disc (731) is provided with a limit stop ring (7311) for limiting the excessive movement of the movable disc (732).

7. The clamping and flipping device of claim 5, wherein: the frame azimuth adjusting mechanism (72) comprises an adjusting bottom frame seat plate (721) fixed on a bottom supporting frame (71), an adjusting lead screw (723) rotatably mounted on the adjusting bottom frame seat plate (721), a nut slide carriage (724) slidably mounted on the adjusting bottom frame seat plate (721), an adjusting motor (722) fixed at the end of the adjusting bottom frame seat plate (721), a transverse adjusting guide rail (727) fixedly mounted on the lower end face of the turnover frame (1) and an adjusting slide carriage (726) in sliding fit with the transverse adjusting guide rail (727), the output end of the adjusting motor (722) is in driving connection with the end of the adjusting lead screw (723), the nut slide carriage (724) is sleeved on the adjusting lead screw (723) through threaded fit, a side adjusting support (725) is fixedly mounted on the side wall of the nut slide carriage (724), and an adjusting rotating shaft extends from the lower end face of the adjusting slide carriage (726), the adjusting rotating shaft is movably inserted on the side adjusting support (725).

8. The device of claim 7, wherein the liquid crystal panel clamping and flipping mechanism comprises: the left frame position adjusting mechanism (72) and the right frame position adjusting mechanism (72) are arranged at the lower end of the turnover frame (1) in a central symmetry manner, and the central axis of an adjusting screw rod (723) of the middle frame position adjusting mechanism (72) is vertical to the central axis of the adjusting screw rod (723) of the left frame position adjusting mechanism (72).

9. The clamping and turning device for the liquid crystal panel with adjustable position precision as claimed in claim 1, wherein: the front end and the rear end of the fence frame (8) are respectively provided with a two-dimension code recognition mechanism (6), the two-dimension code recognition mechanisms (6) comprise recognition racks (61), the top of the recognition racks (61) is provided with a rack platform seat plate (62), the lower end face of the rack platform seat plate (62) is provided with a jacking cylinder (63), the telescopic rod end of the jacking cylinder (63) penetrates through the rack platform seat plate (62) and is connected with a jacking seat plate (65), the two sides of the lower end face of the jacking seat plate (65) are fixedly provided with jacking guide rods (64), the jacking guide rods (64) are movably inserted into jacking guide sleeves of the rack platform seat plate (62), the upper end face of the jacking seat plate (65) is fixedly provided with a transversely telescopic rodless cylinder (66), the driving end of the rodless cylinder (66) is fixedly provided with an inclined U-shaped mounting frame (67), the top free end of the U-shaped mounting frame (, the bottom free end of the U-shaped mounting bracket (67) is provided with a bottom lining plate (69) used for matching with an industrial camera (68).

10. The clamping and turning device for the liquid crystal panel with adjustable position precision as claimed in claim 1, wherein: static-removing device (81) include long banding wind channel casing (814) and installation pole frame (812), and installation pole frame (812) are through both ends fixed pole frame support (811) and fence frame (1) fixed connection, wind channel casing (814) are fixed on installation pole frame (812) through a plurality of casing link (813), and a plurality of air outlets that communicate with wind channel casing (814) internal channel are seted up in the lower terminal surface distribution of wind channel casing (814), and electrode (815) are installed in air outlet department distribution, wired joint (817) are installed to the left end of wind channel casing (814), and wired joint (817) are passed through internal conductor and are switched on to the electrode circular telegram, ventilation interface (816) are installed to the right-hand member of wind channel casing (814), and ventilation interface (816) communicate with the internal channel of wind channel casing (814).

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