Device for friction orientation of liquid crystal display (LCD) glass
By designing a fully automated feeding, friction, and discharging mechanism, the problems of unstable and unreliable structure and lack of automation in existing devices have been solved. This has enabled efficient, precise, and controllable friction orientation of LCD glass, improving the stability and space utilization of the device.
Patent Information
- Application Number
- CN202423319917.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing devices for LCD glass rubbing orientation are not stable and reliable enough, cannot achieve stable and controllable rubbing orientation, and lack fully automated functions.
A fully automatic device including feeding, friction, and discharging mechanisms was designed. It adopts components such as a friction frame, friction platform, friction rollers, conveying roller group, and glass turntable to realize automatic glass feeding and discharging and friction orientation. The friction process is ensured to be precise and controllable by sensing and adjusting the height and angle of the friction rollers through sensors.
It achieves fully automatic friction orientation of LCD glass, with a simple and reliable structure, improved space utilization, reduced equipment space occupation, and can complete the friction orientation process efficiently and controllably.
Smart Images
Figure 1
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of LCD glass production, especially relates to a device for the friction orientation of LCD glass. BACKGROUND
[0002] After the PI film is pasted to the LCD glass, the surface of the LCD glass needs to be rubbed and oriented, and a rubbing and orientation machine needs to be used.
[0003] The existing device for the friction orientation of LCD glass is not stable and reliable in structure design, cannot realize stable and controllable friction orientation, and cannot realize full automation in the friction orientation process. SUMMARY
[0004] The utility model discloses a structure stable and reliable, high efficiency, accurate controllable full -automatic LCD glass rubbing and shaping machine.
[0005] The utility model discloses a device for the friction orientation of LCD glass, characterized in that: including big frame, big frame from its feed end to its discharge end is sequentially provided with feed mechanism, friction mechanism, discharge mechanism;
[0006] The feed mechanism includes a feed conveying structure and a feed handling structure, the feed conveying structure is used for conveying the LCD glass to a specified position, and the feed handling structure is used for handling the LCD glass from the feed conveying structure to the friction mechanism;
[0007] The friction mechanism includes a friction rack that can move repeatedly along the X-axis, a friction platform is arranged on the friction rack, a group of friction suction cups that can be lifted are arranged on the friction platform, the suction cups are used for suction handling the glass on the handling mechanism to the friction platform, a friction wool wheel that can rotate is arranged on the rack at the discharge end of the friction platform, the height of the friction wool wheel relative to the friction platform is adjustable, wool cloth is wound on the friction wool wheel, and a motor for driving the friction rotation is arranged on the rack.
[0008] The discharge mechanism includes a discharge conveying structure and a discharge handling structure, the discharge handling structure is used for handling the polished LCD glass from the friction mechanism to the discharge conveying structure, the discharge conveying structure is used for conveying the polished LCD glass to the next process, and sensors for sensing the LCD glass are arranged at the discharge end of the feed mechanism and the feed end of the discharge mechanism.
[0009] Further, the friction mechanism comprises a friction guide rail arranged on the rack along the X-axis, a friction seat capable of moving along the X-axis is arranged on the friction guide rail, a friction platform is arranged on the friction seat, a friction lifting cylinder is arranged below the friction seat, a friction suction cup capable of lifting along with the friction lifting cylinder is arranged on the piston part of the friction lifting cylinder; a group of suction cup lifting holes are arranged on the friction platform, and the friction suction cup is arranged in the suction cup lifting hole in a one-to-one correspondence; in a normal state, the horizontal plane of the friction suction cup is lower than the upper end surface of the friction platform; when lifted, the friction suction cup can be lifted from the suction cup lifting hole to above the friction platform.
[0010] In order to realize the accurate control of the pressing amount during friction, the friction mechanism further comprises a burr wheel positioning frame arranged above the friction guide rail, the burr wheel positioning frame is arranged on the large rack; two lifting columns capable of lifting are arranged on the burr wheel positioning frame, and the friction burr wheel can be rotated and turned between the two lifting columns; an electrostatic bar is arranged on the burr wheel positioning frame at the feeding side and the discharging side of the friction burr wheel, and the electrostatic bar is located above the friction platform.
[0011] In order to simply and reliably realize the feeding and discharging of the LCD glass, the feeding conveying structure and the discharging conveying structure each comprise a conveying roller group arranged on the large rack, and the feeding carrying structure and the discharging carrying structure each comprise a carrying guide rail arranged on the large rack, the carrying guide rail is arranged along the X-axis, a carrying rack capable of moving along the X-axis is arranged on the carrying guide rail, a carrying lifting cylinder is arranged on the carrying rack, a U-shaped carrying fork capable of lifting along with the carrying lifting cylinder is arranged on the piston part of the carrying lifting cylinder, the opening of the U-shaped carrying fork is arranged in the direction of the friction platform, and a group of carrying suction cups is arranged at the front ends of the two arms of the U-shaped carrying fork; the width of the U-shaped carrying fork is smaller than the distance between the conveying roller group and the discharging conveying roller group.
[0012] In order to realize the automatic turning of the LCD glass before and after friction orientation, a glass turntable capable of rotating and lifting is further arranged on the large rack, and a turntable driving device for driving the glass turntable to rotate and lift is further arranged; a group of turntable suction cups are arranged on the glass turntable; in a normal state, the glass turntable is located below the U-shaped carrying fork; the diameter of the glass turntable is smaller than the distance between the two arms of the U-shaped carrying fork.
[0013] In order to realize the convenient adjustment of the friction angle of the LCD glass, the angle of the burr wheel positioning frame relative to the friction platform is adjustable.
[0014] The LCD glass friction orientation and the feeding and discharging before and after the orientation can be realized automatically through the feeding structure, the friction mechanism and the discharging mechanism, the whole structure is simple, reliable, easy to realize, and the LCD glass friction orientation can be realized efficiently and controllably.
[0015] The overlapping parts of the feeding conveying structure, the feeding carrying structure and the glass rotary table cross without interference, so that the space utilization is improved, the space occupation is reduced, and the whole device for the friction orientation of the LCD glass is more compact while the functions are stable and reliable.
[0016] The utility model will be described in more detail through examples. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the utility model.
[0018] Figure 2 It is Figure 1 A local enlarged schematic view of the middle A part.
[0019] Among them, 1, big rack, 2, friction guide rail, 3, friction seat, 4, friction chuck, 5, wool wheel positioning frame, 6, lifting column, 7, electrostatic rod, 8, conveying roller group, 9, carrying guide rail, 10, U-shaped carrying fork, 11, carrying chuck, 12, glass rotary table, 13, rotary table chuck, 14, friction platform, 15, friction wool wheel. DETAILED DESCRIPTION
[0020] The embodiment is a device for the friction orientation of the LCD glass as shown in the drawing, which comprises a big rack 1. Figure 1 , Figure 2 The big rack 1 is sequentially provided with a feeding mechanism, a friction mechanism and a discharging mechanism from the feeding end to the discharging end thereof.
[0021] The feeding mechanism comprises a feeding conveying structure and a feeding carrying structure.
[0022] The friction mechanism comprises a friction rack capable of repeatedly moving along the X axis, and the friction rack is provided with a friction platform 14. The friction platform 14 is provided with a group of friction chucks 4 capable of lifting. The chucks are used for adsorbing and carrying the glass on the carrying mechanism to the friction platform 14. The rack is provided with a friction wool wheel 15 capable of rotating at the discharging end of the friction platform 14. The height of the friction wool wheel 15 relative to the friction platform 14 is adjustable. The friction wool wheel 15 is wound with wool cloth. The rack is provided with a motor for driving the friction rotation.
[0023] The discharging mechanism comprises a discharging conveying structure and a discharging carrying structure. The discharging carrying structure is used for carrying the polished LCD glass from the friction mechanism to the discharging conveying structure. The discharging conveying structure is used for conveying the polished LCD glass to the next process. The feeding end of the feeding mechanism and the feeding end of the discharging mechanism are both provided with a sensor for sensing the LCD glass.
[0024] The friction mechanism comprises a friction guide rail 2 arranged on the rack along the X-axis, a friction seat 3 arranged on the friction guide rail 2 and capable of moving along the X-axis, a friction platform 14 arranged on the friction seat 3, a friction lifting cylinder arranged below the friction platform 14, a friction suction cup 4 arranged on the piston part of the friction lifting cylinder and capable of lifting along with the friction lifting cylinder; a group of suction cup lifting holes are arranged on the friction platform 14, and the friction suction cup 4 is arranged in the suction cup lifting hole in one-to-one correspondence; normally, the horizontal plane of the friction suction cup 4 is lower than the upper end surface of the friction platform 14; when lifted, the friction suction cup 4 can be lifted from the suction cup lifting hole to above the friction platform 14.
[0025] The friction mechanism further comprises a wool wheel positioning frame 5 arranged above the friction guide rail 2, and the wool wheel positioning frame 5 is arranged on the large rack 1; two lifting columns 6 capable of lifting are arranged on the wool wheel positioning frame 5, and the friction wool wheel 15 can be rotated and positioned between the two lifting columns 6; an electrostatic rod 7 is arranged on the wool wheel positioning frame 5 at the feeding side and the discharging side of the friction wool wheel 15, and the electrostatic rod 7 is located above the friction platform 14.
[0026] The feeding conveying structure and the discharging conveying structure each comprise a conveying roller group 8 arranged on the large rack 1, and the feeding conveying structure and the discharging conveying structure each comprise a conveying guide rail 9 arranged on the large rack 1, the conveying guide rail 9 is arranged along the X-axis, the conveying guide rail 9 is provided with a conveying rack capable of moving along the X-axis, the conveying rack is provided with a conveying lifting cylinder, the piston part of the conveying lifting cylinder is provided with a U-shaped conveying fork 10 capable of lifting along with the conveying lifting cylinder, the opening of the U-shaped conveying fork 10 is arranged in the direction of the friction platform 14, and a group of conveying suction cups 11 is arranged at the front end of each arm of the U-shaped conveying fork 10; the width of the U-shaped conveying fork 10 is smaller than the distance between the conveying roller group 8 and the discharging conveying roller group.
[0027] The large rack 1 is further provided with a glass turntable 12 capable of rotating and lifting, and a turntable driving device for driving the glass turntable 12 to rotate and lift; a group of turntable suction cups 13 is arranged on the glass turntable 12; normally, the glass turntable 12 is located below the U-shaped conveying fork 10; the diameter of the glass turntable 12 is smaller than the distance between the two arms of the U-shaped conveying fork 10.
[0028] The angle of the wool wheel positioning frame 5 relative to the friction platform 14 is adjustable. By adjusting the angle of the wool wheel positioning frame 5, the angle of the friction wool wheel 15 relative to the glass is realized, and the friction orientation angle of the glass is adjusted.
[0029] Working principle: the LCD glass to be rubbed and oriented is conveyed to the designated position by the conveying roller set 8 in the feeding conveying structure, and the position is positioned by the sensing device; if turning is needed, the glass turntable 12 is raised, the turntable suction cup 13 on the glass turntable 12 adsorbs the LCD glass and is raised to above the conveying roller set 8, then the glass turntable 12 drives the LCD glass on it to rotate to the set angle, the U-shaped carrying fork in the feeding carrying structure is raised, the carrying suction cup 11 on the U-shaped carrying fork adsorbs the LCD glass on the conveying roller set 8 and runs to above the conveying roller set 8, then the carrying frame moves to above the rubbing platform 14 through the carrying guide rail 9; the feeding and carrying are completed;
[0030] After the feeding and carrying are completed, the rubbing suction cup 4 on the rubbing platform 14 is raised to adsorb the glass on the U-shaped carrying fork 10, then the U-shaped carrying fork 10 is reset, and then the rubbing suction cup 4 is lowered to place the LCD glass on the rubbing platform 14; after the rubbing platform 14 detects that the LCD glass is in place, the rubbing platform 14 moves along the rubbing guide rail 2, and when the rubbing platform 14 contacts the rubbing wool wheel 15, the rubbing starts; the direction and height of the rubbing wool wheel 15 can be adjusted to adjust the pressing amount and the rubbing direction before the rubbing starts; after the LCD glass on the rubbing platform 14 is completely rubbed, the rubbing platform 14 is separated from the rubbing wool wheel 15 in the discharging direction; the rubbing of the glass is completed;
[0031] After the rubbing and orientation are completed, the rubbing suction cup 4 on the rubbing platform 14 is raised to eject the LCD glass from the rubbing platform 14, and the U-shaped carrying fork in the discharging carrying structure works, the U-shaped carrying fork 10 inputs below the LCD glass and then moves in the discharging direction; if the direction needs to be adjusted at this time, the glass turntable 12 is raised to adsorb the LCD glass, then the glass turntable 12 rotates to the set angle, the glass turntable 12 is lowered, and the LCD glass falls on the discharging conveying roller set 8 of the feeding structure, and the LCD glass is conveyed to the next process by the conveying roller set 8. If the direction does not need to be adjusted, the U-shaped carrying fork 10 directly lowers the LCD glass on it to the conveying roller set 8 to be conveyed to the next process.
[0032] The above is only an exemplary description of the present application. Obviously, the specific implementation of the present application is not limited by the above method. As long as various non-essential improvements are made by adopting the method concept and technical solution of the present application; or the above concept and technical solution of the present application is directly applied to other occasions without improvement, all of which are within the protection scope of the present application.
Claims
1. An apparatus for LCD glass rub orientation, characterized by: The large rack is provided with a feeding mechanism, a rubbing mechanism and a discharging mechanism from the feeding end to the discharging end of the large rack in sequence. The feeding mechanism comprises a feeding conveying structure and a feeding carrying structure, the feeding conveying structure is used for conveying the LCD glass to a designated position, and the feeding carrying structure is used for carrying the LCD glass from the feeding conveying structure to the rubbing mechanism. The rubbing mechanism comprises a rubbing rack capable of repeatedly moving along the X-axis, the rubbing rack is provided with a rubbing platform, and the rubbing platform is provided with a group of lifting rubbing suckers. The rubbing rack is provided with a rubbing wool wheel capable of rotating at the discharging end of the rubbing platform, the height of the rubbing wool wheel relative to the rubbing platform is adjustable, the rubbing wool wheel is wound with wool cloth, and the rubbing rack is provided with a motor for driving the rubbing to rotate. The discharging mechanism comprises a discharging conveying structure and a discharging carrying structure, the discharging carrying structure is used for carrying the polished LCD glass from the rubbing mechanism to the discharging conveying structure, and the discharging conveying structure is used for conveying the polished LCD glass to the next process. The feeding end of the feeding mechanism and the feeding end of the discharging mechanism are provided with sensors for sensing the LCD glass.
2. The apparatus for LCD glass rub orientation of claim 1, wherein: The rubbing mechanism comprises a rubbing guide rail provided on the rubbing rack along the X-axis, the rubbing guide rail is provided with a rubbing seat capable of moving along the X-axis, the rubbing platform is arranged on the rubbing seat, the rubbing seat is provided below the rubbing platform with a rubbing lifting cylinder, the piston part of the rubbing lifting cylinder is provided with a rubbing sucker capable of lifting along with the rubbing lifting cylinder, the rubbing platform is provided with a group of sucker lifting holes, and the rubbing sucker is arranged in the sucker lifting hole in a one-to-one correspondence.
3. The apparatus for LCD glass rub orientation of claim 2, wherein: The rubbing mechanism further comprises a wool wheel positioning frame arranged above the rubbing guide rail, the wool wheel positioning frame is arranged on the large rack, the wool wheel positioning frame is provided with two lifting columns capable of lifting, the rubbing wool wheel can rotate and turn between the two lifting columns, and the wool wheel positioning frame is provided with an electrostatic rod on the feeding side and the discharging side of the rubbing wool wheel.
4. The apparatus for frictional orientation of LCD glass according to any one of claims 1 to 3, characterized in that: The feeding conveying structure and the discharging conveying structure each comprise a conveying roller group arranged on the large rack, the feeding carrying structure and the discharging carrying structure each comprise a carrying guide rail arranged on the large rack, the carrying guide rail is arranged along the X-axis, the carrying guide rail is provided with a carrying rack capable of moving along the X-axis, the carrying rack is provided with a carrying lifting cylinder, the piston part of the carrying lifting cylinder is provided with a U-shaped carrying fork capable of lifting along with the carrying lifting cylinder, the opening of the U-shaped carrying fork is arranged in the direction of the rubbing platform, and the front ends of the two arms of the U-shaped carrying fork are each provided with a group of carrying suckers.
5. The apparatus for LCD glass frictional orientation according to claim 4, wherein: The width of the U-shaped carrying fork is smaller than the distance between the conveying roller group and the discharging conveying roller group.
6. The apparatus for LCD glass frictional orientation according to claim 5, wherein: The large rack is further provided with a glass turntable capable of rotating and lifting, and a turntable driving device for driving the glass turntable to rotate and lift, the glass turntable is provided with a group of turntable suckers, the glass turntable is normally located below the U-shaped carrying fork, and the diameter of the glass turntable is smaller than the distance between the two arms of the U-shaped carrying fork. The angle of the wool wheel positioning frame relative to the rubbing platform is adjustable.