CN107601824B - Liquid crystal glass bending shape regulating and controlling device and system - Google Patents
Liquid crystal glass bending shape regulating and controlling device and system Download PDFInfo
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- CN107601824B CN107601824B CN201710798805.9A CN201710798805A CN107601824B CN 107601824 B CN107601824 B CN 107601824B CN 201710798805 A CN201710798805 A CN 201710798805A CN 107601824 B CN107601824 B CN 107601824B
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Abstract
The invention provides a liquid crystal glass bending shape regulating and controlling device, and belongs to the field of manufacturing of TFT-LCD liquid crystal substrates. The regulating and controlling device comprises an installation base, a driving mechanism, an adjusting mechanism and a glass guide roller assembly, wherein the driving mechanism and the adjusting mechanism are installed on the same surface of the installation base and connected through a transition connecting plate, and the glass guide roller assembly is installed on the driving mechanism. The invention also provides a system for regulating and controlling the bending shape of the liquid crystal glass by using the regulating and controlling device, which comprises four regulating and controlling devices, wherein the four regulating and controlling devices are respectively distributed on A, B surfaces of the liquid crystal glass at the outlet end of the annealing furnace in a mode of forming a group by two, and are respectively arranged on the cross beams at the outlet of the annealing furnace at the far end and the near end of the glass. The device and the system can solve the problem that the quality of glass is warped and the thickness difference exceeds the standard due to the sudden change of the bending shape of the glass between the outlet end of the annealing furnace and the upper part of the outlet of the annealing furnace, and play a role in stabilizing the quality of products.
Description
Technical Field
The invention belongs to the field of manufacturing of TFT-LCD (thin film transistor-liquid crystal display) liquid crystal substrates, and particularly relates to a liquid crystal glass bending shape adjusting and controlling device and system which are used for keeping the glass bending shape of a glass plate in a downward drawing forming process in a controlled state when a TFT-LCD liquid crystal substrate is formed by an overflow method in the manufacturing process of a TFT-LCD glass substrate of a flat-panel display.
Background
At present, the domestic TFT-LCD enters a fast mature development period, and increasingly mature LCD manufacturing technologies are combined with each other, so that the display quality of products is continuously improved, the automatic large-scale production capacity is enhanced, the yield is greatly improved, the qualification rate is improved, and the cost is reduced.
The liquid crystal glass substrate is used as a key material of a liquid crystal display device, the liquid crystal glass substrate becomes a bottleneck influencing the development of the liquid crystal industry with higher process control requirements, when the glass substrate is produced by adopting a fusion overflow method, the liquid crystal glass must be ensured to smoothly and stably pass through a region between an annealing furnace and an outlet guide device of the annealing furnace in the overflow down-draw forming process, because the distance between the outlet of the annealing furnace and the upper guide device is longer, the glass shakes greatly when the liquid crystal glass passes through the region, glass breakage can be caused when the liquid crystal glass is serious, and simultaneously, the bent shape of the glass has sudden change to seriously influence the product quality, and the control on the bent shape of the liquid crystal glass is crucial for ensuring the quality requirements.
Disclosure of Invention
Aiming at the problems existing in the production of the liquid crystal glass substrate by the existing fusion overflow method, the invention provides a liquid crystal glass bending shape regulating device and a system. The purpose of the invention is realized by the following technical scheme:
a liquid crystal glass bending shape regulating device comprises a mounting base, a driving mechanism, an adjusting mechanism and a glass guide roller assembly, wherein the driving mechanism and the adjusting mechanism are mounted on the same surface of the mounting base and connected through a transition connecting plate, and the glass guide roller assembly is mounted on the driving mechanism;
the driving mechanism comprises an air cylinder, a driving linear guide rail pair, a connecting block mounting plate arranged on a sliding block of the driving linear guide rail pair, an air cylinder connecting block and a rotary adjusting plate which are positioned at the upper part of the connecting block mounting plate, and a glass guide roller assembly mounting strip arranged on the rotary adjusting plate, wherein the air cylinder is connected with the air cylinder connecting block through a floating joint, the rotary adjusting plate is provided with a sliding groove, and the angle of the rotary adjusting plate is adjusted through a hexagon screw arranged in the sliding groove;
the adjusting mechanism comprises an adjusting screw rod tail end mounting seat, an adjusting linear guide rail pair, a mounting plate arranged on a sliding block of the adjusting linear guide rail pair, an adjusting screw rod front end mounting seat arranged on the mounting plate and an adjusting screw rod positioned between the adjusting screw rod tail end mounting seat and the adjusting screw rod front end mounting seat;
the glass guide roller assembly comprises a fixed base, a supporting seat, a roller, a spring adjusting plate and a spring, wherein the spring adjusting plate and the spring are positioned between the fixed base and the supporting seat;
the glass guide roller assembly is connected with the glass guide roller assembly mounting bar, so that the connection of the glass guide roller assembly and the driving mechanism is realized.
As a specific embodiment of the device for regulating and controlling a bent shape of liquid crystal glass according to the present invention, the mounting base includes a fixing base plate, a locking screw, a bracket, and a base, and the base is used for fixedly mounting the driving mechanism and the adjusting mechanism.
As a specific embodiment of the device for regulating and controlling the bent shape of the liquid crystal glass, the cylinder is provided with a speed regulating valve, and the front end cover of the cylinder is further provided with a cylinder mounting plate for fixedly mounting the cylinder.
As a specific embodiment of the device for regulating and controlling the bending shape of the liquid crystal glass, in the glass guide roller assembly, the fixed base, the supporting seat, the spring, the pin shaft and the adjusting screw form a compression damping mechanism; the bearing, the equal-height screw and the roller form a rotating pair.
As a specific embodiment of the device for regulating and controlling the bent shape of the liquid crystal glass, the rollers are polytetrafluoroethylene rollers, the number of the pins is two, and the number of the springs is two and the two springs are respectively arranged on the two pins; the number of the adjusting screws is two, and the adjusting screws are respectively distributed on the outer sides of the two pin shafts.
As a specific embodiment of the device for regulating and controlling the bent shape of the liquid crystal glass, the bearing is mounted on the boss of the supporting seat through an equal-height screw, and a hole retainer ring spring is mounted on the end face of the bearing; and a lining ring is arranged between the roller and the supporting seat.
The system for regulating and controlling the bent shape of the liquid crystal glass comprises the regulating and controlling device, and four regulating devices are respectively distributed on A, B surfaces of the liquid crystal glass at the outlet end of the annealing furnace in a mode of forming a group by two, and are respectively arranged on cross beams at the outlet of the annealing furnace at the far end and the near end of the glass.
As a specific embodiment of the liquid crystal glass bending shape regulating and controlling system, the regulating and controlling device is arranged on the cross beams at the far end and the near end of the glass annealing furnace outlet through the fixed bottom plates of the mounting base and is locked and fixed through the locking screws.
The invention has the beneficial effects that:
the invention provides a device and a system for regulating and controlling the bending shape of liquid crystal glass, which solve the problem that the quality of glass is warped and the thickness difference exceeds the standard due to the sudden change of the bending shape of the glass between the outlet end of an annealing furnace and the upper part of the outlet of the annealing furnace, and play a role in stabilizing the quality of products.
The regulating system consists of four same regulating devices which are respectively arranged on A, B surfaces of the far end and the near end of the glass, can realize the regulation of the X, Y, Z axial direction and the X, Y plane rotation in any direction, and has convenient and quick regulation and high regulation precision.
The regulating and controlling device and the regulating and controlling system can realize quick opening when the glass is abnormally broken in the glass production process and the production is abnormal, thereby effectively avoiding accidents caused by glass blockage.
Drawings
FIG. 1 is a front view of a device for controlling the bending shape of liquid crystal glass according to the present invention;
FIG. 2 is a top view of the device for controlling the bending shape of liquid crystal glass according to the present invention;
FIG. 3 is an enlarged view of a portion I of FIG. 1;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of an installation structure of a liquid crystal glass bending shape control system according to the present invention;
reference numerals: 1-base, 2-fixed bottom plate, 3-locking screw, 4-bracket, 5-transition connecting plate, 6-driving linear guide rail pair, 7-connecting block mounting plate, 8-cylinder connecting block, 9-floating joint, 10-cylinder, 11-cylinder mounting plate, 12-rotary adjusting plate, 13-chute, 14-hexagon screw, 15-glass guide roller assembly mounting strip, 16-speed adjusting valve, 17-adjusting linear guide rail pair, 18-mounting plate, 19-adjusting screw rod front end mounting seat, 20-adjusting screw rod end mounting seat, 21-adjusting screw rod, 22-fixed base, 23-supporting seat, 24-pin shaft, 25-spring, 26-spring adjusting plate, 27-adjusting screw, 28-roller, 29-equal height screw, 30-bearing, 31-hole retainer spring and 32-lining ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following explains and explains a bending shape control apparatus and system for liquid crystal glass according to the present invention in detail with reference to specific principles and embodiments.
The device comprises a mounting base, a driving mechanism, an adjusting mechanism and a glass guide roller assembly, wherein the driving mechanism and the adjusting mechanism are mounted on the same surface of the mounting base and connected through a transition connecting plate 5, and the glass guide roller assembly is mounted on the driving mechanism.
In the liquid crystal glass bending shape regulating device, the mounting base is used for mounting and fixing the regulating device, providing a place for mounting the driving mechanism and the adjusting mechanism, and simultaneously realizing the adjustment of the whole regulating device in the X-axis and Z-axis directions through the mounting base. The driving mechanism is used for controlling the electromagnetic valve to drive the air cylinder 10 to move by operating a touch screen button, and the whole driving mechanism is driven to move in the Y-axis direction by the driving of the air cylinder 10, so that the glass guide roller assembly is driven to be rapidly separated from or contact with glass; the driving mechanism and the adjusting mechanism are connected together through a transition connecting plate 5 and driven by a cylinder 10 to synchronously perform linear motion in the Y-axis direction; the adjusting mechanism is mainly used for realizing the micro-adjustment of the driving mechanism and the glass guide roller component in the Y-axis direction by rotating the adjusting screw rod 21 to control the distance between the glass guide roller component and the glass; the glass guide roller assembly is arranged on the driving mechanism, and the contact angle between the control roller 28 and the glass is adjusted by rotating the adjusting plate 12 on the driving mechanism, so that the purpose of changing the bending shape of the liquid crystal glass on the XY plane is achieved.
In the regulating device, the driving machine and the adjusting mechanism are arranged on the same surface of the mounting substrate but are respectively arranged on different guide rails, and the driving mechanism and the adjusting mechanism are connected together through the transition connecting plate 5, so that the whole adjusting mechanism and the driving mechanism do not generate transverse displacement in the movement process.
Specifically, the mounting base comprises a fixed bottom plate 2, a locking screw 3, a bracket 4 and a base 1, wherein the base 1 is used for realizing the fixed mounting of a driving mechanism and an adjusting mechanism; the fixed bottom plate 2 is used for realizing the fixed installation of the whole regulating device on the outlet beam of the annealing furnace, and the locking screw 3 is used for locking and fixing the fixed bottom plate 2 and the mounting base and locking and fixing the mounting base on the outlet beam of the annealing furnace; the support 4 is used for supporting the base 1, and the up-and-down movement of the base 1 is realized through the support 4. The mounting base of the invention realizes the movement adjustment of the whole regulating device in the X-axis and Z-axis directions through the movement on the beam of the annealing furnace and the movement of the base 1 on the bracket 4.
Specifically, actuating mechanism includes cylinder 10, the vice 6 of drive linear guide, installs connecting block mounting panel 7 on the vice 6 sliders of drive linear guide, is located cylinder connecting block 8 and the rotation regulation board 12 on connecting block mounting panel 7 upper portion to and install glass guide roller subassembly mounting bar 15 on rotation regulation board 12, cylinder 10 links to each other with cylinder connecting block 8 through floating joint 9, spout 13 has been seted up on rotation regulation board 12 to realize the adjustment of rotation regulation board 12 angle through the hex bolts 14 that set up in the spout 13.
In the above driving mechanism, the air cylinder 10 is used to drive the whole driving mechanism to move in the Y-axis direction, the air cylinder 10 is controlled by the electromagnetic valve, and the air cylinder 10 is controlled according to actual working requirements. The driving linear guide rail pair 6 provides a track for the whole driving mechanism to move in the Y axis, so that the normal movement of the whole driving mechanism in the Y axis direction is ensured; the connecting block mounting plate 7 is used for fixedly mounting the air cylinder connecting block 8 and the rotary adjusting plate 12, and the glass guide roller assembly mounting bar 15 is used for connecting the glass guide roller assembly with the driving mechanism.
The floating joint 9 is used for realizing the connection of the cylinder 10 and the cylinder connecting block 8, when the electromagnetic valve drives the cylinder 10 to move, the cylinder 10 drives the cylinder connecting block 8 to move through the floating joint 9, and drives the connecting block mounting plate 7 to move, so that the driving mechanism is driven to slide on the driving linear guide rail pair 6, and the movement of the whole driving mechanism in the Y-axis direction is realized. Further, a speed regulating valve 16 is installed on the cylinder 10, and the movement speed of the cylinder 10 is regulated and controlled through the speed regulating valve 16; and the front end cover of the cylinder 10 is also provided with a cylinder mounting plate 11 for fixedly mounting the cylinder 10.
The rotation adjusting plate 12 is used for connecting the glass guide roller assembly with the driving mechanism, and a glass guide roller assembly mounting bar 15 connected with the glass guide roller assembly is mounted on the rotation adjusting plate. The rotating adjusting plate 12 is provided with a sliding groove 13, and the angle of the rotating adjusting plate 12 is adjusted through a hexagon screw 14 arranged in the sliding groove 13. When the angle of the rotary adjusting plate 12 needs to be adjusted, the hexagon screw 14 is loosened, and the hexagon screw 14 is screwed after the angle of the rotary adjusting plate 12 is adjusted. Further, a slotted hole is arranged on the glass guide roller component mounting strip 15 and is connected with the glass guide roller component through a screw. Because the glass guide roller component mounting bar 15 is mounted on the rotary adjusting plate 12, when the rotary adjusting plate 12 is angularly adjusted, the glass guide roller component mounting bar 15 is driven to move, and simultaneously the glass guide roller component is driven to move, so that the contact angle between the roller 28 and the glass is adjusted, and the purpose of adjusting the bent shape of the liquid crystal glass on the XY plane is achieved.
Specifically, the adjusting mechanism comprises an adjusting screw rod tail end mounting seat 20, an adjusting linear guide rail pair 17, a mounting plate 18 mounted on a sliding block of the adjusting linear guide rail pair 17, an adjusting screw rod front end mounting seat 19 mounted on the mounting plate 18, and an adjusting screw rod 21 positioned between the adjusting screw rod tail end mounting seat 20 and the adjusting screw rod front end mounting seat 19.
In the adjusting mechanism, the adjusting screw tail end mounting seat 20 and the adjusting linear guide rail pair 17 are positioned on the base 1 of the mounting base, the adjusting linear guide rail pair 17 is used for providing a track for the whole adjusting mechanism to move in the Y axis, the mounting plate 18 is used for fixedly mounting the mounting seat 19 at the front end of the adjusting screw 21, and the adjusting screw 21 is used for finely adjusting the position of the adjusting mechanism. When the distance between the glass guide roller assembly and the glass needs to be finely adjusted in the Y-axis direction, the adjusting screw 21 is rotated to drive the front end mounting seat 19 and the mounting plate 18 of the adjusting screw to move on the adjusting linear guide rail pair 17, so that the driving structure is driven to move in the Y-axis direction through the transition connecting plate 5, and the distance between the roller 28 and the glass is finely adjusted in the Y-axis direction.
The glass guide roller assembly comprises a fixed base 22, a supporting base 23, a roller 28, a spring adjusting plate 26 and a spring 25, wherein the spring adjusting plate 26 and the spring 25 are located between the fixed base 22 and the supporting base 23, the fixed base 22 is connected with the supporting base 23 through a pin shaft 24, an adjusting screw 27 is arranged on the outer side of the pin shaft 24, a bearing 30 is arranged in the roller 28, and the roller 28 and the bearing 30 are installed on a boss of the supporting base 23 through an equal-height screw 29.
Specifically, in the above-mentioned glass guide roller assembly, the fixing base 22 is used for connecting the glass guide roller assembly with the glass guide roller assembly mounting bar 15, and is provided with mounting holes corresponding to the slotted holes on the glass guide roller assembly mounting bar 15, and the fixing base 22 is connected with the glass guide roller assembly mounting bar 15 by screws. Further, the screw can move up and down on the slotted hole of the glass guide roller assembly mounting bar 15, thereby realizing the fine adjustment of the whole glass guide roller assembly in the Z-axis direction.
The supporting seat 23 is used for mounting the roller 28 and realizing the connection between the roller 28 and the fixed base 22; the spring adjusting plate 26 and the adjusting screw 27 are used for adjusting the tightness of the spring 25, when the spring 25 needs to be tightened, the adjusting screw 27 is screwed towards the spring adjusting plate 26, the spring 25 is compressed through the spring adjusting plate 26, when the spring 25 needs to be loosened, the adjusting screw 27 is loosened, and the spring adjusting plate 26 moves towards the adjusting screw 27 so as to realize the loosening of the spring 25. The pin shaft 24 is used for realizing the connection of the fixed base 22 and the supporting seat 23, the roller 28 is used for contacting with the glass surface so as to realize the adjustment of the bending shape of the liquid crystal glass, the roller 28 and the bearing 30 are arranged on the lug boss of the supporting seat 23 through the equal-height screw 29, and the rotation of the roller 28 relative to the supporting seat 23 is realized through the equal-height screw 29 and the bearing 30.
In the glass guide roller assembly, the fixed base 22, the supporting seat 23, the spring, the pin shaft 24 and the adjusting screw 27 form a compression damping mechanism; the bearing 30, the contour screw 29 and the roller 28 form a rotating pair. The compression damping mechanism performs buffering and damping through a spring 25 by adjusting the extension and contraction of the spring, so that the stability of the glass is improved; meanwhile, the force applied to the surface of the glass by the roller 28 is adjusted, so that the purpose of adjusting the bent shape cannot be achieved by preventing the glass from being damaged by overlarge force or preventing the glass from being too small; the revolute pair enables the roller 28 to rotate relative to the support base 23 and the fixed base 22, thereby realizing the adjustment of the glass bending shape from different angles.
Further, the bearing 30 is a ceramic ball bearing, which functions to form a rotating pair. The ceramic ball bearing without the retainer is composed of an inner ring, an outer ring and ceramic balls, wherein the inner ring and the outer ring are made of common bearing steel, and the ceramic balls are made of zirconia. The ceramic ball bearing is selected for use, so that the rigidity of the bearing is guaranteed, the ceramic ball bearing is not easy to wear at high temperature, the service life of the bearing is long, and the bearing can flexibly rotate in a high-temperature working environment without blocking.
Further, the rollers 28 are made of polytetrafluoroethylene, the number of the pins 24 is two, and the number of the springs 25 is two and the two springs are respectively mounted on the two pins 24; the number of the adjusting screws 27 is two, and the adjusting screws are respectively distributed on the outer sides of the two pin shafts 24. The polytetrafluoroethylene roller is made of high-temperature-resistant polytetrafluoroethylene, and is preferably made of high-temperature-resistant polytetrafluoroethylene, so that the polytetrafluoroethylene can maintain excellent mechanical properties within a wide temperature range of-196-260 ℃. At the same time, it has a minimum surface tension and does not adhere to any substance, so that no substance adheres to the surface of the roller 28 during contact with the glass. That is, the roller 28 follows the rotation in the glass down-draw process, and the position and the state of the glass are not changed due to the rotation jamming of the roller 28 or the adhesion of foreign matters on the surface of the roller, thereby playing the role of stabilizing the bent shape of the glass. The number of the pin shafts 24 is two, the connection between the fixed base 22 and the support base 23 is reinforced, and the number of the adjusting screws 27 is two, and the adjusting screws penetrate through the fixed base 22 and are respectively distributed on the outer sides of the two pin shafts 24.
Furthermore, a hole retainer ring spring 31 is installed on the end face of the bearing 30, and a lining ring 32 is arranged between the roller 28 and the supporting seat 23. The hole retainer spring 31 is used for limiting the play of the bearing 30 and improving the stability of the bearing 30, and further, the hole retainer spring 31 is installed on the boss of the support seat 23 through the equal-height screw 29. The gasket 32 is used to improve the sealing performance of the connection between the roller 28 and the supporting seat, so that the connection is more stable and the roller is prevented from shaking or falling off.
A system for controlling the bending shape of a glass liquid crystal is shown in FIG. 5. The system comprises the regulating device, and the four regulating mechanisms are respectively distributed on A, B surfaces of the liquid crystal glass at the outlet end of the annealing furnace in a mode of forming a group by two, and are respectively arranged on the cross beams at the outlet ends of the far-end annealing furnace and the near-end annealing furnace. The four regulating and controlling devices are matched with each other to control the space position point of the glass within a certain range, namely, the four regulating and controlling devices can control the bending direction and the bending amplitude of the glass so as to achieve the purpose of controlling the bending shape of the glass.
Furthermore, the regulating device is arranged on the cross beams at the far end and the near end of the glass annealing furnace outlet through the fixed bottom plate 2 of the mounting base and is locked and fixed through the locking screw 3.
Specifically, the liquid crystal glass bending shape regulating and controlling system provided by the invention only needs to be provided with the installation mode shown in fig. 5, the four regulating and controlling devices are arranged on the A, B surface of the liquid crystal glass at the outlet end of the annealing furnace in a mode of forming a group by two, and two of the four regulating and controlling devices in one group are respectively arranged on the outlet cross beams of the annealing furnace at the far end and the near end of the glass. Then the installation base plate and the locking screw 3 on the installation base are used for installing and fixing the base, and the position of the base 1 on the bracket 4 is adjusted, so that the height requirement of the adjusting and controlling device is met.
The device and the system for regulating and controlling the bending shape of the liquid crystal glass have the following specific working processes:
in the whole TFT-LCD liquid crystal glass production process, glass directly enters four sets of glass bending shape adjusting and controlling devices which are respectively arranged on A, B surfaces of the far end and the near end of the glass through an overflow brick, an edge roller and a traction roller after passing through an outlet of an annealing furnace, and the glass is stabilized on the process parameter point position by adjusting different position distances in the axial direction of a X, Y, Z set of liquid crystal glass bending shape adjusting and controlling mechanism and the rotation in the XY plane direction. Specifically, the adjustment process of the position distance in the X, Y, Z axis direction and the rotation in the XY plane direction is as follows (the adjustment of one control device will be specifically described below, and the adjustment method of the other control devices is the same).
Adjustment in the X-axis direction: the adjustment in the X-axis direction is realized through the mounting base, and the position of the mounting base on the outlet beam of the annealing furnace is adjusted through the fixing bottom plate 2 and the locking screw 3, so that the position of the roller 28 in the X-axis direction is realized, and the position of the roller 28 in contact with the liquid crystal glass in the X-axis direction meets the requirements of process parameters.
Adjustment in the Y-axis direction: the adjustment in the Y-axis direction is realized through a driving mechanism and an adjusting mechanism, the driving mechanism realizes the large adjustment in the Y-axis direction, and the adjusting mechanism realizes the fine adjustment in the Y-axis direction. The cylinder 10 is driven to move by the electromagnetic valve according to the set process parameters, the cylinder 10 drives the whole driving mechanism to move on the driving linear guide rail pair 6, and the glass guide roller assembly is driven to move in the Y-axis direction, so that the roller 28 is adjusted in the Y-axis direction according to the process parameters. When the Y-axis direction needs to be finely adjusted, the adjusting screw rod 21 is rotated, so that the whole adjusting mechanism is driven to move on the adjusting linear guide rail pair 17, the whole driving mechanism is driven to be finely adjusted in the Y-axis direction through the transition connecting plate 5, and the position of the roller 28 in contact with the liquid crystal glass in the Y-axis direction meets the requirements of process parameters through adjustment of the driving mechanism and the adjusting mechanism.
Adjustment in the Z-axis direction: the adjustment in the Z-axis direction is realized by the position adjustment of the base 1 on the bracket 4 on the mounting base and the position of the fixed base 22 on the slotted hole of the glass guide roller component mounting bar 15. The large adjustment in the Z-axis direction is realized by the position of the base 1 on the bracket 4 on the mounting base, and then the fine adjustment of the position of the roller 28 in the Z-axis direction is realized by adjusting the position of the fixing base 22 on the slotted hole of the glass guide roller component mounting bar 15. The position of the roller 28 contacting with the liquid crystal glass on the Z axis meets the requirements of the process parameters by adjusting the positions of the base 1 and the fixed base 22.
Rotation adjustment in the XY plane direction: the adjustment of the XY plane direction is performed by rotating the angle of the adjustment plate 12. When the position of the roller 28 on the XY plane needs to be adjusted, the hexagon screw 14 of the chute 13 on the rotary adjusting plate 12 is loosened, and the position of the rotary adjusting plate 12 is adjusted through the chute 13, so that the roller 28 is driven to be adjusted in the XY plane direction, and the position of the roller 28 in contact with the liquid crystal glass on the XY plane meets the requirements of process parameters.
Through the above manner, the rotation adjustment of the rollers 28 of the other three adjusting and controlling devices in the X, Y, Z axis and XY plane directions can be realized, so that the process parameter requirements can be met, and the adjustment of the bending shape of the liquid crystal glass can be realized.
When the glass is broken in the normal production process and other abnormal production conditions occur, the electromagnetic valve is quickly started to reverse by operating the touch screen button, so that the driving cylinder 10 quickly acts, all four sets of glass bending shape adjusting and controlling devices are quickly opened, the glass smoothly passes through the area, and safety equipment accidents caused by glass blockage are avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The device for regulating and controlling the bending shape of the liquid crystal glass is characterized by comprising a mounting base, a driving mechanism, an adjusting mechanism and a glass guide roller assembly, wherein the driving mechanism and the adjusting mechanism are mounted on the same surface of the mounting base and connected through a transition connecting plate;
the driving mechanism comprises an air cylinder, a driving linear guide rail pair, a connecting block mounting plate arranged on a sliding block of the driving linear guide rail pair, an air cylinder connecting block and a rotary adjusting plate which are positioned at the upper part of the connecting block mounting plate, and a glass guide roller assembly mounting strip arranged on the rotary adjusting plate, wherein the air cylinder is connected with the air cylinder connecting block through a floating joint, the rotary adjusting plate is provided with a sliding groove, and the angle of the rotary adjusting plate is adjusted through a hexagon screw arranged in the sliding groove;
the adjusting mechanism comprises an adjusting screw rod tail end mounting seat, an adjusting linear guide rail pair, a mounting plate arranged on a sliding block of the adjusting linear guide rail pair, an adjusting screw rod front end mounting seat arranged on the mounting plate and an adjusting screw rod positioned between the adjusting screw rod tail end mounting seat and the adjusting screw rod front end mounting seat;
the glass guide roller assembly comprises a fixed base, a supporting seat, a roller, a spring adjusting plate and a spring, wherein the spring adjusting plate and the spring are positioned between the fixed base and the supporting seat;
the glass guide roller assembly is connected with the glass guide roller assembly mounting bar, so that the connection of the glass guide roller assembly and the driving mechanism is realized.
2. The device for regulating the bent shape of liquid crystal glass according to claim 1, wherein the mounting base comprises a fixing bottom plate, a locking screw, a bracket and a base, and the base is used for realizing the fixed mounting of the driving mechanism and the adjusting mechanism.
3. A device for regulating and controlling the curved shape of liquid crystal glass according to claim 1, wherein a speed regulating valve is installed on the cylinder, and a cylinder mounting plate for fixedly mounting the cylinder is further provided on a front end cover of the cylinder.
4. A curved shape regulating device for liquid crystal glass according to claim 1, wherein in the glass guide roller assembly, the fixing base, the supporting base, the spring, the pin shaft and the adjusting screw form a compression shock-absorbing mechanism; the bearing, the equal-height screw and the roller form a rotating pair.
5. The device for regulating and controlling the bent shape of liquid crystal glass according to claim 1, wherein the rollers are polytetrafluoroethylene rollers, the number of the pins is two, and the number of the springs is two, and the two springs are respectively mounted on the two pins; the number of the adjusting screws is two, and the adjusting screws are respectively distributed on the outer sides of the two pin shafts.
6. The device for regulating and controlling the bent shape of liquid crystal glass according to claim 1, wherein the bearing is mounted on the boss of the support base by an equal-height screw, and a hole retainer spring is mounted on the end face of the bearing; and a lining ring is arranged between the roller and the supporting seat.
7. A liquid crystal glass bending shape regulating and controlling system is characterized in that the system comprises four regulating and controlling devices as claimed in any one of claims 1 to 6, and the four regulating and controlling devices are respectively distributed on A, B surfaces of liquid crystal glass at the outlet end of an annealing furnace in a mode of grouping two by two and are respectively arranged on cross beams at the outlet ends of the annealing furnace at the far end and the near end of the glass.
8. The system for regulating and controlling the bending shape of liquid crystal glass as claimed in claim 7, wherein the regulating and controlling device is installed on the cross beam at the outlet of the annealing furnace at the far end and the near end of the glass through the fixed bottom plate of the installation base and is locked and fixed through locking screws.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710798805.9A CN107601824B (en) | 2017-09-07 | 2017-09-07 | Liquid crystal glass bending shape regulating and controlling device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710798805.9A CN107601824B (en) | 2017-09-07 | 2017-09-07 | Liquid crystal glass bending shape regulating and controlling device and system |
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| CN107601824A CN107601824A (en) | 2018-01-19 |
| CN107601824B true CN107601824B (en) | 2020-04-21 |
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| CN108996893A (en) * | 2018-07-27 | 2018-12-14 | 彩虹显示器件股份有限公司 | A kind of control device and method of plate glass warpage quality |
| CN109020161B (en) * | 2018-09-07 | 2021-09-28 | 彩虹（合肥）液晶玻璃有限公司 | Regulating and controlling device, substrate glass production line and regulating and controlling method |
| CN109375565B (en) * | 2018-10-09 | 2021-09-28 | 成都中光电科技有限公司 | Automatic adjusting system and method for online detection of bending shape of TFT (thin film transistor) glass substrate |
| CN109336374A (en) * | 2018-10-31 | 2019-02-15 | 彩虹集团（邵阳）特种玻璃有限公司 | A kind of cover-plate glass traction mechanism |
| CN114394736B (en) * | 2021-12-20 | 2023-12-12 | 彩虹显示器件股份有限公司 | Device and method for controlling bending degree of substrate glass molding |
| CN114634302B (en) * | 2022-03-14 | 2023-09-12 | 成都中光电科技有限公司 | Automatic opening and closing type liquid crystal glass clamping device |
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| CN107601824A (en) | 2018-01-19 |
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Application publication date: 20180119 Assignee: Qingdao fusion Photoelectric Technology Co.,Ltd. Assignor: TUNGHSU GROUP Co.,Ltd. Contract record no.: X2022110000014 Denomination of invention: A liquid crystal glass bending shape regulating device and system Granted publication date: 20200421 License type: Common License Record date: 20220812 |
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