CN113911741B

CN113911741B - High-precision Demura equipment

Info

Publication number: CN113911741B
Application number: CN202111323154.0A
Authority: CN
Inventors: 蒋海锁; 文爱华; 何璐君; 胡剑鸣
Original assignee: Shenzhen Tech Sen Automation Equipment Co ltd
Current assignee: Shenzhen Tech Sen Automation Equipment Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-12-13
Anticipated expiration: 2041-11-09
Also published as: CN113911741A

Abstract

The invention provides high-precision Demura equipment which comprises a feeding system, a compensation system for a Demura display screen and a discharging system. The blanking system comprises a blanking transfer mechanism and a terminal blanking mechanism. The blanking transfer mechanism comprises a first blanking transfer unit and a second blanking transfer unit. The first unloading transfer unit comprises a first unloading platform, a first unloading transfer manipulator and a first unloading transfer platform. The first blanking platform comprises a first blanking low position and a first blanking high position. The second blanking transfer unit comprises a second blanking low position and a second blanking high position. The terminal unloading mechanism comprises an unloading material taking manipulator and is used for conveying display screens on the first unloading transfer platform and the second unloading transfer platform. The high-precision Demura equipment provided by the invention can be used for blanking a plurality of Demura working sections, so that the Demura efficiency of a display screen is effectively improved, and the structure is compact.

Description

High-precision Demura equipment

Technical Field

The invention relates to the technical field of Demura, in particular to high-precision Demura equipment.

Background

In recent years, with the rapid spread of electronic products, the demands of consumers on the screen of the display screen are increasing. The display screen is complicated in production process and high in management and control difficulty, mura phenomenon (uneven brightness) is easily caused in the production process, bright spots or dark spots appear, namely, the phenomenon of block-shaped traces caused by the difference of display brightness in a certain area of the display screen is avoided, and the quality grade of the display screen is reduced. In order to eliminate the mura phenomenon, a Demura (brightness unevenness elimination) technique is developed. The Demura technique is generally used to correct the display brightness in the display screen by means of brightness compensation, thereby eliminating the mura phenomenon. Demura equipment among the prior art, some unloading speed is slower, influences the Demura efficiency of display screen, and some structures are too fat, lead to occupying great processing place.

Therefore, it is necessary to provide a high-precision Demura device to solve the above technical problems.

Disclosure of Invention

The invention provides high-precision Demura equipment, which aims to solve the technical problems that some Demura equipment in the prior art has low blanking speed, influences the Demura efficiency of a display screen, has a fat structure and occupies a large processing field.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a high-precision Demura device is used for carrying out Demura operation on a display screen and comprises a feeding system, a compensation system and a discharging system;

the feeding system is used for conveying the display screen to be subjected to Demura operation on the feeding bearing disc to the compensation system;

the compensation system is used for carrying out Demura operation on the display screen input by the feeding system and conveying the display screen subjected to Demura operation to the discharging system;

the blanking system is used for conveying the display screen subjected to the Demura operation to a discharging bearing disc;

the blanking system comprises a blanking transfer mechanism and a terminal blanking mechanism;

unloading transfer mechanism includes:

the first blanking transfer unit comprises a first blanking module, a first blanking transfer module and a first blanking transfer module which are sequentially distributed and are all in a linear shape, the first blanking module and the first blanking transfer module are mutually parallel, and the first blanking transfer module is vertically arranged between the first blanking module and the first blanking transfer module; the first blanking module comprises a first blanking platform which is arranged in a sliding mode in the horizontal direction and the vertical direction, the first blanking platform comprises a first blanking low position for low-position blanking on a horizontal sliding track of the first blanking platform, and comprises a first blanking high position for high-position blanking on a vertical sliding track of the first blanking platform, and the first blanking platform is used for conveying a display screen from the first blanking high position to the first blanking low position; the first blanking transfer-over module comprises a first blanking transfer-over mechanical arm which is arranged in a sliding mode, the first blanking transfer-over mechanical arm comprises a first blanking transfer-over feeding position and a first blanking transfer-over discharging position in the sliding direction of the first blanking transfer-over mechanical arm, and the first blanking transfer-over mechanical arm is used for bearing a display screen of the first blanking platform which is located at the lower position of the first blanking and is conveyed to the first blanking transfer-over discharging position from the first blanking transfer-over feeding position; the first blanking transfer module comprises a first blanking transfer platform which is arranged in a sliding mode, the first blanking transfer platform comprises a first blanking receiving position and a first blanking transfer position in the sliding direction, and the first blanking transfer platform is used for receiving a display screen clamped by the first blanking transfer manipulator and conveying the display screen from the first blanking receiving position to the first blanking transfer position;

the second blanking transfer unit is arranged opposite to the first blanking transfer unit, comprises a second blanking module, a second blanking transfer module and a second blanking transfer module which are sequentially distributed and are all linear, the second blanking module and the second blanking transfer module are parallel to each other, and the second blanking transfer module is vertically arranged between the second blanking module and the second blanking transfer module; the second blanking module comprises a second blanking platform which is arranged in a sliding mode in the horizontal direction and the vertical direction, the second blanking platform comprises a second blanking low position used for low-position blanking on a horizontal sliding track of the second blanking platform, and comprises a second blanking high position used for high-position blanking on a vertical sliding track of the second blanking platform, and the second blanking platform is used for conveying a display screen from the second blanking high position to the second blanking low position; the second blanking transfer-over module comprises a second blanking transfer-over mechanical arm which is arranged in a sliding mode, the second blanking transfer-over mechanical arm comprises a second blanking transfer-over feeding position and a second blanking transfer-over discharging position in the sliding direction, and the second blanking transfer-over mechanical arm is used for bearing a display screen of the second blanking platform positioned at the second blanking lower position and conveying the second blanking transfer-over feeding position to the second blanking transfer-over discharging position; the second blanking transfer module comprises a second blanking transfer platform which is arranged in a sliding mode, the second blanking transfer platform comprises a second blanking receiving position and a second blanking transfer position in the sliding direction, and the second blanking transfer platform is used for receiving a display screen clamped by the second blanking transfer manipulator and conveying the display screen from the second blanking receiving position to the second blanking transfer position; and the number of the first and second groups,

the first blanking transfer unit and the second blanking transfer unit are arranged on the blanking transfer bearing frame;

the terminal unloading mechanism comprises an unloading and taking device, the unloading and taking device comprises an unloading and taking manipulator, the unloading and taking manipulator is arranged above the first unloading transfer platform and the second unloading transfer platform in a sliding mode and used for conveying the display screens on the first unloading transfer platform and the second unloading transfer platform.

Compared with the prior art, the invention has the beneficial effects that: the high-precision Demura equipment provided by the invention can be used for blanking a plurality of Demura workshop sections, effectively improves the Demura efficiency of the display screen, and has a compact structure and small occupied space.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.

FIG. 1 is a block diagram of the high-precision Demura apparatus of the present invention.

FIG. 2 is a schematic top view of the feeding system of the high precision Demura apparatus of the present invention.

FIG. 3 is a schematic perspective view of a feeding system of the high-precision Demura apparatus of the present invention.

FIG. 4 is a schematic structural diagram of a mura defect compensator of the compensation system of the high precision Demura apparatus of the present invention.

FIG. 5 is a schematic perspective view of a blanking system of the high-precision Demura apparatus of the present invention.

FIG. 6 is a schematic structural view of a first discharging and transferring manipulator of the discharging system of the high-precision Demura device of the present invention.

Fig. 7 is a schematic structural view of a blanking and material taking manipulator of the blanking system of the high-precision Demura device.

FIG. 8 is a schematic structural view showing that the display screens on the feeding and discharging device of the high-precision Demura apparatus of the present invention are placed in a carrier tray.

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.

The directional terms used in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", "top" and "bottom", refer to the orientation of the drawings, and are used for illustration and understanding, but not for limiting the present invention.

The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or any order limitation.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The Demura technique is a technique for eliminating mura of a display screen to make the brightness of a picture uniform. The basic principle of the Demura technology is to make a display screen display a gray scale picture, shoot the display screen by using a Capacitive Coupling Device (CCD), obtain the brightness value of each pixel point in the display screen, and then adjust the gray scale value or voltage of the pixel points in the mura area to make the area which is too dark become bright and the area which is too bright become dark, so as to achieve a uniform display effect.

Demura equipment among the prior art, some unloading speed is slower, influences the Demura efficiency of display screen, and some structures are too fat, lead to occupying great processing place.

The following is a preferred embodiment of the present invention which provides a high precision Demura apparatus capable of solving the above technical problems.

Referring to fig. 1 and 8, the present invention provides a high precision Demura apparatus for Demura of a chip fixed under a display screen 200, wherein the display screen 200 is rectangular, and one end of a wide side thereof has a protruding FPC300. The high-precision Demura equipment comprises a feeding system, a compensating system 13 and a discharging system. The feeding system is used for conveying a display screen to be subjected to Demura operation to the compensation system, the compensation system is used for carrying out Demura operation on the display screen input by the feeding system, the display screen after the Demura operation is conveyed to the discharging system, and the discharging system is used for conveying the display screen after the Demura operation to the discharging bearing plate. The feeding system comprises an initial feeding mechanism 11 and a feeding transfer mechanism 12, and the discharging system comprises a discharging transfer mechanism 14 and a terminal discharging mechanism 15.

1. Initial loading mechanism 11 for loading display screen 200 (please refer to fig. 2 and 3)

The initial loading mechanism 11 includes an initial loading carrier 111, a full carrier tray transport module 112, a first empty carrier tray transport module 113, a second empty carrier tray transport module 114, a loading and unloading device, and a full carrier tray handling structure 116.

The four display screens 200 are placed in the carrier tray 100 for loading, the carrier tray 100 is rectangular, and the four display screens 2002 and 2 are symmetrically distributed in pairs. The length direction of the four display panels 200 is identical to the length direction of the carrier tray 100, and the FPC300 on each display panel 200 faces the display panel 200 opposite thereto.

The full tray transfer module 112 includes a full tray transfer assembly line 1121 and a full tray lift platform 1122.

The full carrier tray transfer line 1121 includes a full carrier tray loading position 11211 and a full carrier tray ascent position 11212 in its transfer direction for transferring a plurality of full carrier trays 100 from the full carrier tray loading position 11211 to the full carrier tray ascent position 11212. The full tray lift platform 1122 is vertically slidably disposed above the full tray lift position 11212 for individually lifting the plurality of full trays 100 located in the full tray lift position 11212.

First empty carrier tray transport module 113 includes first empty carrier tray transport pipeline 1131 and first empty carrier tray lift platform 1132. The first empty carrier tray transport line 1131 includes a first empty carrier tray unloading position 11311 and a first empty carrier tray lowering position 11312 in the transport direction thereof, and is used for transporting the empty carrier trays 100 located at the first empty carrier tray lowering position 11312 to the first empty carrier tray unloading position 11311. The first empty tray lift platform 1132 slides vertically above the first empty tray lowering position 11312 for receiving the full trays 100 lifted by the full tray lift platform 1122 one by one, and after the full trays 100 are taken away, the empty trays 100 are lowered one by one to the first empty tray lowering position 11312.

The second empty carrier tray transfer module 114 includes a second empty carrier tray transfer line 1141 and a second empty carrier tray lift platform 1142. The second empty carrier tray transport line 1141 comprises, in its transport direction, a second empty carrier tray drop 11411 and a second empty carrier tray drop 11412 for transporting empty carrier trays 100 located in the second empty carrier tray drop 11412 to the second empty carrier tray drop 11411. The second empty tray lift platform 1142 is disposed above the second empty tray drop position 11412 in a sliding manner along a vertical direction, and is configured to receive the full trays 100 lifted by the full tray lift platform 1122 one by one, and drop the empty trays 100 to the second empty tray drop position 11412 one by one after the full trays 100 are taken away from the display screen 200.

The full tray carrying structure 116 is slidably disposed above the full tray lifting platform 1122, the first empty tray lifting platform 1132 and the second empty tray lifting platform 1142, and is used for carrying the full trays 100 lifted by the full tray lifting platform 1122 to the first empty tray lifting platform 1132 and the second empty tray lifting platform 1142 one by one.

The feeding and taking device comprises a feeding and taking portal frame and a feeding and taking manipulator 115.

The process of loading the display screen 200 by the initial loading mechanism 11 is as follows:

1.1, stacking a plurality of full carrier trays 100 on a full carrier tray loading position 11211 of a full carrier tray transmission assembly line 1121, carrying out integral code scanning on all the carrier trays 100 by a code scanner positioned above the full carrier tray loading position 11211, and after the code scanning is finished, transmitting the plurality of full carrier trays 100 to a full carrier tray ascending position 11212 by the full carrier tray transmission assembly line 1121 along the horizontal direction;

1.2, the full tray lift platform 1122 raises the uppermost full tray 100 in the full tray lift position 11212 to an upper straightening device that straightens the raised full tray 100;

1.3, the full tray transfer structure 116 transfers the full tray 100 corrected by the full tray lift platform 1122 to the first empty tray lift platform 1132 above the first empty tray lowering position 11312;

1.4, the correcting device above the first empty carrier tray lifting platform 1132 corrects the carrier tray 100 again;

1.5, the code scanner above the first empty carrier tray lifting platform 1132 scans the carrier tray 100 individually;

1.6, starting a first CCD (charge coupled device) feeding visual system and first feeding infrared light which are positioned above a first empty bearing disc lifting platform 1132, rotating a feeding and taking manipulator 115 to a proper angle according to detection parameters of the first CCD feeding visual system, enabling a feeding and taking suction head on a feeding and taking fixed sheet and a feeding and taking suction head on a feeding and taking rotating sheet to respectively correspond to proper positions of a display screen 200 and an FPC (flexible printed circuit) 300, and taking away the display screen 200 in a bearing disc 100;

1.7, the empty carrier tray 100 is lowered to a first empty carrier tray lowering position 11312 by a first empty carrier tray lifting platform 1132;

1.8, when the number of empty carrier trays 100 at the first empty carrier tray lowering position 11312 reaches a certain number, the first empty carrier tray conveying line 1131 conveys the empty carrier trays 100 at the first empty carrier tray lowering position 11312 to the first empty carrier tray blanking position 11311;

1.9, the full carrier tray carrying structure 116 carries the full carrier tray 100 corrected by the full carrier tray lifting platform 1122 to the second empty carrier tray lifting platform 1142 located above the second empty carrier tray lowering position 11412, and the full carrier tray carrying structure 116 alternately performs the step and the step 1.3;

1.10, the correcting device above the second empty carrier tray lifting platform 1142 corrects the carrier tray 100 again;

1.11, the code scanner above the second empty carrier tray lift platform 1142 performs single code scanning on the carrier tray 100;

1.12, starting a second CCD feeding visual system and second feeding infrared light above a second empty bearing disc lifting platform 1142, rotating a feeding and taking manipulator 115 to a proper angle according to detection parameters of the second CCD feeding visual system, enabling a feeding and taking suction head on a feeding and taking fixed sheet and a feeding and taking suction head on a feeding and taking rotating sheet to correspond to proper positions of a display screen 200 and an FPC300, taking away the display screen 200 in a bearing disc 100, and alternately executing the step and the step 1.6 by the feeding and taking manipulator 115;

1.13, the empty carrier tray 100 is lowered to a second empty carrier tray lowering position 11412 through a second empty carrier tray lifting platform 1142;

1.14, when the number of empty trays 100 in the second empty tray drop position 11412 reaches a certain number, the second empty tray transport line 1141 transports the empty trays 100 in the second empty tray drop position 11412 to the second empty tray drop position 11411.

The above steps are repeatedly executed.

2. Feeding transfer mechanism 12 for shunting display screen 200 (please refer to fig. 2 and 3)

The feeding relay mechanism 12 includes a feeding relay carrier 121, a first feeding relay unit 122, and a second feeding relay unit 123. The first feeding transfer unit 122 and the second feeding transfer unit 123 are disposed opposite to each other along the length direction of the feeding transfer carriage 121.

The first feeding transfer unit 122 includes a first feeding transfer module, a first feeding module, and a feeding NG conveying module.

The first feeding transfer module includes a first feeding transfer slide rail and a first feeding transfer platform 1221. First material loading transfer platform 1221 slides and sets up on first material loading transfer slide rail, and first material loading transfer platform 1221 includes first material loading transfer position 12211 and first material loading transfer position 12212 in its slip direction, and first material loading transfer position 12211 is close to first empty tray decline position 11312 for first material loading transfer position 12212.

The first feeding transfer module comprises a first feeding transfer slide rail and a first feeding transfer manipulator 1222. The first loading transfer robot 1222 is slidably disposed on the first loading transfer slide rail, the first loading transfer robot 1222 includes a first loading transfer loading position 12221 and a first loading transfer unloading position 12222 in the sliding direction of the first loading transfer robot 1222, and the first loading transfer loading position 12221 is close to the first loading transfer unloading position 12212 relative to the first loading transfer unloading position 12222.

The first feeding module comprises a first feeding assembly and a first jacking feeding shunting assembly.

The first feeding assembly comprises a first feeding slide rail and a first feeding platform 1223. First material loading platform 1223 slides and sets up on first material loading slide rail, and first material loading platform 1223 includes first material loading low level 12231, first material loading intermediate position and first material loading high level 12232 in proper order on its moving trajectory. The first feeding low position 12231 and the first feeding middle position are located on a sliding track of the first feeding platform 1223 along the first feeding slide rail. The first loading high position 12232 is located right above the first loading middle position, and when the first loading platform 1223 is located at the first loading high position 12232, the first loading platform 1223 is used for high-position loading.

The first jacking material-loading flow-dividing assembly comprises a first jacking material-loading flow-dividing slide rail and a first jacking material-loading flow-dividing platform 1224. The first jacking feeding shunting slide rail is vertically arranged on the feeding transfer bearing frame 121 and is located at one end, away from the first feeding transferring slide rail, of the first feeding slide rail. The first jacking and material distributing platform 1224 is slidably disposed on the first jacking and material distributing slide rail, when the first material loading platform 1223 is located at the middle position of the first material loading, the first jacking and material distributing platform 1224 is located below the first material loading platform 1223, and the first jacking and material distributing platform 1224 is configured to jack the first material loading platform 1223 up from the middle position of the first material loading so that the first material loading platform 1223 is located at the first material loading high position 12232.

The feeding NG conveying module comprises a feeding NG conveying slide rail and a feeding NG platform 1225. The feeding NG conveying slide rail is linear and horizontally arranged on the feeding transfer bearing frame 121. The feeding NG conveying slide rail is adjacent to and parallel to the first feeding transfer slide rail, and the feeding NG conveying slide rail is close to the initial feeding mechanism 11 relative to the first feeding transfer slide rail. The material loading NG platform 1225 is arranged on the NG conveying sliding rails in a sliding mode, the material loading NG platform 1225 comprises an NG receiving position 12251 and an NG discharging position 12252 in the sliding direction, the NG receiving position 12251 is adjacent to the first material loading receiving position 12211, and the NG discharging position 12252 is adjacent to the first material loading transfer position 12212.

The second feeding transfer unit 123 includes a second feeding transfer module, and a second feeding module.

The second material loading transfer module includes a second material loading transfer slide rail and a second material loading transfer platform 1231. The second feeding transfer platform 1231 is slidably disposed on the second feeding transfer slide rail, the second feeding transfer platform 1231 includes a second feeding carrying location 12311 and a second feeding transfer location 12312 in the sliding direction thereof, and the second feeding carrying location 12311 is close to the second empty carrying tray lowering location 11412 relative to the second feeding transfer location 12312.

The second feeding care-of module comprises a second feeding care-of slide rail and a second feeding care-of manipulator 1232. The second feeding transfer robot 1232 is slidably disposed on the second feeding transfer slide rail, the second feeding transfer robot 1232 includes a second feeding transfer feeding position 12321 and a second feeding transfer discharging position 12322 in the sliding direction, and the second feeding transfer feeding position 12321 is close to the second feeding transfer position 12312 relative to the second feeding transfer discharging position 12322.

The second material loading module comprises a second material loading assembly and a second jacking material loading shunting assembly.

The second material loading subassembly includes second material loading slide rail and second material loading platform 1233. The second feeding platform 1233 is slidably disposed on the second feeding slide rail, and the second feeding platform 1233 sequentially includes a second feeding low position 12331, a second feeding middle position, and a second feeding high position 12332 on the moving track thereof.

The second jacking material-loading flow-dividing assembly comprises a second jacking material-loading flow-dividing slide rail and a second jacking material-loading flow-dividing platform 1234. The second jacking feeding shunting slide rail is arranged on the feeding transfer bearing frame 121 in the vertical direction and is positioned at one end, away from the second feeding transfer slide rail, of the second feeding slide rail. Second jacking material loading reposition of redundant personnel platform 1234 slides and sets up on second jacking material reposition of redundant personnel slide rail, and when second material loading platform 1233 was located second material loading intermediate position, second jacking material loading reposition of redundant personnel platform 1234 was located the below of second material loading platform 1233, and second jacking material loading reposition of redundant personnel platform 1234 is used for making second material loading platform 1233 be located second material loading high-order 12332 by second material loading intermediate position jack-up.

The flow of shunting the display screen 200 by the feeding transfer mechanism 12 is as follows:

2.1, when the carrier tray 100 successfully scanned in the step 1.5 is placed on the first empty carrier tray descending position 11312 of the first empty carrier tray transport pipeline 1131, after rotating by a certain angle according to the detection parameters of the first CCD feeding vision system, the feeding and taking manipulator 115 takes out two pieces of display screens 200 in the carrier tray 100 with the same orientation, rotates by 90 degrees clockwise, and then is placed on the first feeding transfer platform 1221 located in the first feeding receiving position 12211;

2.2, after the first loading transfer platform 1221 located at the first loading receiving position 12211 receives the display screen 200 in the loading tray 100 successfully scanned by the loading and taking manipulator 115, the first loading transfer platform 1221 slides from the first loading receiving position 12211 to the first loading transfer position 12212;

2.3, the first feeding and transferring manipulator 1222 at the first feeding and transferring feeding position 12221 takes away the two display screens 200 on the first feeding and transferring platform 1221 at the first feeding and transferring position 12212, slides to the first feeding and transferring discharging position 12222, and places the display screens 200 on the first feeding platform 1223 at the first feeding low position 12231;

2.4, after the first feeding platform 1223 receives the display screen 200, sliding the display screen from the first feeding low position 12231 to the first feeding middle position;

2.5, the first jacking feeding diversion platform 1224 jacks the first feeding platform 1223 located at the first feeding middle position to a first feeding high position 12232, and waits for high-position feeding;

2.6, after the two display screens 200 on the first loading transfer platform 1221 of the first loading transfer station 12212 are taken away, the first loading transfer platform 1221 returns to the first loading receiving station 12211 again;

2.7, after the feeding and reclaiming manipulator 115 finishes the step 2.1, rotating 90 degrees counterclockwise to return to the initial position, rotating a certain angle according to the detection parameters of the first CCD feeding vision system, taking away the two remaining display screens 200 with the same orientation in the carrier tray 100 on the first empty carrier tray descending position 11312 of the first empty carrier tray transport water line 1131, and rotating 90 degrees counterclockwise, and placing on the first feeding transfer platform 1221 returning to the first feeding receiving position 12211 again;

2.8, after the first loading transfer platform 1221 located at the first loading receiving position 12211 receives the display screen 200, sliding the first loading transfer platform 12211 to the first loading transfer position 12212 again;

2.9, the first feeding and transferring manipulator 1222 at the first feeding and transferring feeding position 12221 again takes away the two display screens 200 on the first feeding and transferring platform 1221 at the first feeding and transferring position 12212, slides to the first feeding and transferring discharging position 12222, places the display screens 200 on the first feeding platform 1223 at the first feeding low position 12231, and waits for the low-position feeding;

2.10, when the carrier tray 100 successfully scanned in the step 1.11 is placed on the second empty carrier tray descending position 11412 of the second empty carrier tray transmission assembly line 1141, after rotating a certain angle according to the detection parameters of the second CCD feeding vision system, the feeding and taking manipulator 115 takes out two display screens 200 with the same orientation in the carrier tray 100, rotates clockwise by 90 degrees, and then places the carrier tray on the second feeding transfer platform 1231 located in the second feeding receiving position 12311;

2.11, after the second loading transfer platform 1231 located at the second loading receiving position 12311 receives the display screen 200 in the loading tray 100 successfully scanned by the loading and unloading manipulator 115, the second loading transfer platform 1231 slides from the second loading receiving position 12311 to the second loading transfer position 12312;

2.12, the second feeding and transferring manipulator 1232 at the second feeding and transferring loading position 12321 takes away the two display screens 200 on the second feeding and transferring platform 1231 at the second feeding and transferring position 12312, slides to the second feeding and transferring loading position 12322, and places the display screens 200 on the second feeding platform 1233 at the second feeding low position 12331;

2.13, after the second feeding platform 1233 receives the display screen 200, sliding from the second feeding low position 12331 to the second feeding middle position;

2.14, the second jacking feeding diversion platform 1234 jacks up the second feeding platform 1233 located at the middle position of the second feeding to a second feeding high position 12332 to wait for high feeding;

2.15, after the two display screens 200 on the second loading transfer platform 1231 of the second loading transfer station 12312 are taken away, the second loading transfer platform 1231 returns to the second loading receiving station 12311 again;

2.16, after the feeding and reclaiming manipulator 115 finishes the step 2.10, the two remaining sheets of the display screens 200 with the same orientation in the carrying tray 100 at the second empty carrying tray descending position 11412 of the second empty carrying tray transmission assembly line 1141 are taken away after rotating 90 degrees counterclockwise to the initial position according to the detection parameters of the second CCD feeding vision system, and the two remaining sheets of the display screens are placed on the second feeding transfer platform 1231 which returns to the second feeding receiving position 12311 again after rotating 90 degrees counterclockwise;

2.17, after the display screen 200 is received by the second feeding transfer platform 1231 located at the second feeding receiving location 12311, the second feeding transfer platform 12311 slides to the second feeding transfer location 12312 again;

2.18, the second feeding and transferring manipulator 1232 at the second feeding and transferring feeding position 12321 takes away the two display screens 200 on the second feeding and transferring platform 1231 at the second feeding and transferring position 12312 again, slides to the second feeding and transferring feeding position 12322, places the display screens 200 on the second feeding platform 1233 at the second feeding low position 12331, and waits for low-position feeding;

2.19, when the carrier tray 100 which fails to sweep the code in step 1.5 is placed on the first empty carrier tray descending position 11312 of the first empty carrier tray transport assembly line 1131, the loading and taking manipulator 115 takes the display screen 200 in the carrier tray 100 and places the display screen on the loading NG platform 1225 located on the NG receiving position 12251, and the loading NG platform 1225 slides from the NG receiving position 12251 to the NG discharging position 12252, and returns to the NG receiving position 12251 again after being transported;

2.20, when the carrier tray 100 failed to sweep the code in step 1.11 is placed on the second empty carrier tray descending position 11412 of the second empty carrier tray conveying line 1141, the loading and taking manipulator 115 takes the display screen 200 in the carrier tray 100 away, and places the display screen on the loading NG platform 1225 located on the NG carrying position 12251, the loading NG platform 1225 slides to the NG discharging position 12252 from the NG carrying position 12251, and returns to the NG carrying position 12251 again after conveying.

The above steps are repeatedly executed.

3. Compensation system 13 for Demura of display screen (please refer to FIG. 4)

The compensation system includes a compensation carriage, a plurality of mura defect compensators 131, and a plurality of mura detection CCD cameras. The compensation bears the adjacent setting of frame with the material loading transfer, and a plurality of mura defect compensators 131 set up and bear the frame in the compensation for carry out the Demura operation to the display screen. The mura detection CCD cameras are respectively and correspondingly arranged above the mura defect compensators 131 and used for shooting the display screen.

A rotating shaft is arranged below the mura defect compensator 131, the mura defect compensator 131 sequentially comprises a feeding and discharging station 1311, an IC eliminating station 1312, a mura testing station 1313 and a burning station 1314 along the rotating circumferential direction of the mura defect compensator, and the rotating shaft rotates to enable the display screen to be sequentially located on the feeding and discharging station 1311, the IC eliminating station 1312, the mura testing station 1313 and the burning station 1314. The loading and unloading station 1311 is used for loading and unloading the display screen, the IC eliminating station 1312 is used for eliminating original data in an IC of the display screen, the mura detection CCD camera is arranged above the mura testing station 1313, the mura testing station 1313 is used for shooting the display screen through the mura detection CCD camera, and the burning station 1314 is used for performing data compensation on the display screen.

The structure can work simultaneously at multiple stations, and effectively improves the Demura efficiency of the display screen.

4. Unloading transfer mechanism 14 for shunting display screen after Demura (please refer to fig. 5 and 6)

The blanking transferring mechanism 14 includes a blanking transferring support 141, a first blanking transferring unit 142, and a second blanking transferring unit 143, and the first blanking transferring unit 142 and the second blanking transferring unit 143 are symmetrically disposed along a length direction of the blanking transferring support 141.

The first blanking transferring unit 142 includes a first blanking module, a first blanking transfer module, a first blanking transferring module, and a first NG cache platform 1425.

The blanking transfer carrier 141 is horizontally disposed, connected to the compensation carrier, and has a length direction perpendicular to the length direction of the compensation carrier. The first and second discharging

relay units

142 and 143 are disposed opposite to each other in the longitudinal direction of the discharging relay carriage 141.

The first blanking module comprises a first blanking assembly and a first jacking blanking shunting assembly.

The first blanking assembly includes a first blanking slide and a first blanking platform 1421. The first unloading slide rail is linear and horizontally disposed on the unloading transfer carrier 141, and the length direction of the first unloading slide rail is the same as the length direction of the unloading transfer carrier 141. The first discharging platform 1421 is slidably disposed on the first discharging slide rail, and the first discharging platform 1421 sequentially includes a first discharging low position 14211, a first discharging middle position, and a first discharging high position 14212 on a moving track thereof. The first blanking low position 14211 and the first blanking middle position are located on the sliding track of the first blanking platform 1421 along the first blanking sliding rail. The first blanking high position 14212 is located right above the first blanking middle position, and when the first blanking platform 1421 is located at the first blanking high position 14212, the first blanking platform 1421 is used for receiving the display screen after Demura and is used for being conveyed to the first blanking low position 14211 through the first blanking middle position. When the first blanking platform 1421 is located at the first blanking low position 14211, the first blanking platform 1421 is used for low position blanking.

The first jacking blanking shunting assembly comprises a first jacking blanking shunting slide rail and a first jacking blanking shunting platform 1422. The first jacking blanking shunt slide rail is vertically arranged on the blanking transit bearing frame 141 and is located at one end of the first blanking slide rail. The first jacking blanking shunting platform 1422 is slidably disposed on the first jacking blanking shunting slide rail, and when the first blanking platform 1421 is located at the first blanking high position 14212, the first jacking blanking shunting platform 1422 is located below the first blanking platform 1421, and the first jacking blanking shunting platform 1422 is used for lowering the first blanking platform 1421 from the first blanking high position 14212 to enable the first blanking platform 1421 to be located at the first blanking middle position.

The first blanking platform 1421 is made of metal, and a magnet for attracting the first blanking platform 1421 is arranged on the surface of the first jacking blanking shunting platform 1422. This configuration can secure the first blanking platform 1421 and prevent displacement during the lifting and lowering process.

The first discharging transfer module includes a first discharging transfer slide and a first discharging transfer manipulator 1423. The first discharging transferring slide rail is linear, is horizontally disposed on the discharging transferring bearing frame 141, and is perpendicular to the first discharging slide rail. The first discharging transfer robot 1423 is slidably disposed on the first discharging transfer slide, the first discharging transfer platform 1424 includes a first discharging transfer loading level 14231 and a first discharging transfer unloading level 14232 in the sliding direction thereof, and the first discharging transfer loading level 14231 is close to the first discharging low level 14211 relative to the first discharging transfer unloading level 14232. When the first discharging transfer robot 1423 is located at the first discharging transfer loading position 14231, the first discharging transfer robot 1423 is configured to take away the display screen on the first discharging transfer platform 1424 located at the first discharging low position 14211 and transfer the display screen to the first discharging transfer unloading position 14232.

The first discharging transfer robot 1423 includes a first discharging transfer body 14233 and two sets of first discharging transfer suction modules 14234. The first discharging transfer main body part 14233 is slidably disposed on the first discharging transfer slide rail. The two sets of first discharging transfer adsorbing units 14234 are connected to both ends of the first discharging transfer main body part 14233, respectively, and the first discharging transfer adsorbing units 14234 include first discharging transfer fixing plates 142341, first discharging transfer connecting plates, first discharging transfer rotating plates 142342, and a plurality of first discharging transfer nozzles 142343. The first discharging transfer fixing plate 142341 is rectangular, is connected to the first discharging transfer main body 14233, and is horizontally disposed, and the first discharging transfer fixing plate 142341 is provided with a plurality of parallel elongated first discharging transfer fixing holes, and the longitudinal direction of the first discharging transfer fixing holes coincides with the longitudinal direction of the first discharging transfer fixing plate 142341, and the first discharging transfer suction head 142343 is movably disposed in the first discharging transfer fixing holes, and is used for adsorbing the display screen. The first blanking transferring and connecting sheet is detachably and fixedly connected with one corner of the first blanking transferring and fixing sheet 142341, a plurality of mounting holes are formed in the first blanking transferring and connecting sheet along the length direction of the first blanking transferring and connecting sheet, the first blanking transferring and rotating sheet 142342 is rectangular and is in rotating connection with the first blanking transferring and connecting sheet through the mounting holes in the first blanking transferring and connecting sheet, a first elongated blanking transferring and positioning hole is formed in the first blanking transferring and rotating sheet 142342, the length direction of the first blanking transferring and positioning hole is consistent with the length direction of the first blanking transferring and rotating sheet 142342, and the first blanking transferring and sucking head 142343 is movably arranged in the first blanking transferring and positioning hole and is used for sucking the FPC.

The first blanking transfer module includes a first blanking transfer slide and a first blanking transfer platform 1424. The first material transferring slide rail is in a linear shape, and the length direction of the first material transferring slide rail is vertical to the length direction of the first material transferring slide rail. The first unloading transfer platform 1424 is slidably disposed on the first unloading transfer slide rail, the first unloading transfer platform 1424 includes a first unloading receiving position 14241 and a first unloading transfer position 14242 in the sliding direction of the first unloading transfer platform 1424, and the first unloading receiving position 14241 is close to the first unloading transfer discharging position 14232 relative to the first unloading transfer position 14242. When the first blanking transferring platform 1424 is located at the first blanking receiving position 14241, the first blanking transferring platform 1424 is configured to receive the display screen gripped by the first blanking transfer robot 1423, and convey the display screen from the first blanking receiving position 14241 to the first blanking transfer position 14242. A first CCD blanking vision system is further disposed on one side of the first blanking middle indexing 14242, and is used for detecting the position of the display screen on the first blanking transit platform 1424 of the first blanking middle indexing 14242. A product static electricity removing device is further disposed above the first blanking transfer slide rail, and is used for removing static electricity for the display screen on the first blanking transfer platform 1424.

The first NG buffer platform 1425 is fixedly disposed on a side of the first blanking transfer portion 14242 away from the first blanking receiving portion 14241, and the first NG buffer platform 1425 is configured to receive a display screen on the first blanking transfer platform 1424 where Demura fails.

The second blanking transfer unit 143 includes a second blanking module, a second blanking transfer-over module, a second blanking transfer module, and a second NG cache platform 1435.

The blanking transfer bearing frame 141 is horizontally disposed, connected to the compensation bearing frame, and the length direction thereof is perpendicular to the length direction of the compensation bearing frame. The second discharging relay unit 143 and the second discharging relay unit 143 are oppositely disposed along the length direction of the discharging relay carriage 141.

The second blanking module comprises a second blanking assembly and a second jacking blanking flow dividing assembly.

The second blanking assembly includes a second blanking slide and a second blanking platform 1431. The second feeding slide rail is linear and horizontally disposed on the feeding transfer carrier 141, and the length direction of the second feeding slide rail is consistent with the length direction of the feeding transfer carrier 141. The second blanking platform 1431 is slidably disposed on the second blanking slide rail, and the second blanking platform 1431 sequentially includes a second blanking low position 14311, a second blanking middle position, and a second blanking high position 14312 on a moving track thereof. The second blanking low position 14311 and the second blanking middle position are located on a sliding track of the second blanking platform 1431 along the second blanking slide rail. The second blanking high position 14312 is located right above the second blanking middle position, and when the second blanking platform 1431 is located at the second blanking high position 14312, the second blanking platform 1431 is used for receiving a display screen after Demura and for conveying to the second blanking low position 14311 through the second blanking middle position. When the second blanking platform 1431 is located at a second blanking low position 14311, the second blanking platform 1431 is used for low position blanking.

The second jacking blanking shunt assembly comprises a second jacking blanking shunt slide rail and a second jacking blanking shunt platform 1432. The second jacking blanking shunting slide rail is vertically arranged on the blanking transit bearing frame 141 and is positioned at one end of the second blanking slide rail. The second jacking blanking diversion platform 1432 is slidably disposed on the second jacking blanking diversion slide rail, when the second blanking platform 1431 is located at a second blanking high position 14312, the second jacking blanking diversion platform 1432 is located below the second blanking platform 1431, and the second jacking blanking diversion platform 1432 is configured to lower the second blanking platform 1431 from the second blanking high position 14312 to enable the second blanking platform 1431 to be located at a second blanking middle position.

The second unloading platform 1431 sets up to the metal material, and the surface of second jacking unloading reposition of redundant personnel platform 1432 is provided with the magnet that is used for attracting second unloading platform 1431. This structure can play the fixed action to second unloading platform 1431, prevents to rise and descend the in-process and take place the aversion.

The second discharging transfer module includes a second discharging transfer slide rail and a second discharging transfer manipulator 1433. The second feeding transfer slide rail is linear, and is horizontally disposed on the feeding transfer bearing frame 141 and perpendicular to the second feeding transfer slide rail. The second discharging transfer robot 1433 is slidably disposed on the second discharging transfer slide rail, the second discharging transfer platform 1434 includes a second discharging transfer loading position 14331 and a second discharging transfer unloading position 14332 in the sliding direction thereof, and the second discharging transfer loading position 14331 is close to the second discharging low position 14311 relative to the second discharging transfer unloading position 14332. When the second discharging transfer-to-feeding manipulator 1433 is located at the second discharging transfer-to-feeding position 14331, the second discharging transfer-to manipulator 1433 is configured to take away the display screen located on the second discharging transfer platform 1434 at the second discharging low position 14311, and deliver the display screen to the second discharging transfer-to-feeding position 14332.

The second unloading transfer module includes a second unloading transfer slide rail and a second unloading transfer platform 1434. The second blanking transfer slide rail is linear, and the length direction of the second blanking transfer slide rail is vertical to the length direction of the second blanking transfer slide rail. The second blanking transfer platform 1434 is slidably disposed on the second blanking transfer slide rail, the second blanking transfer platform 1434 includes a second blanking receiving position 14341 and a second blanking transfer position 14342 in the sliding direction of the second blanking transfer platform 1434, and the second blanking receiving position 14341 is close to the second blanking transfer position 14332 relative to the second blanking transfer position 14342. When the second blanking transfer platform 1434 is located at the second blanking receiving location 14341, the second blanking transfer platform 1434 is configured to receive the display screen gripped by the second blanking transfer robot 1433, and convey the display screen from the second blanking receiving location 14341 to the second blanking transfer location 14342. A second CCD blanking vision system is also provided on one side of the second blanking index 14342 and is used to detect the position of the display screen on the second blanking transfer platform 1434 located at the second blanking index 14342. A product static electricity removing device is further arranged above the second discharging transfer sliding rail and used for removing static electricity for the display screen on the second discharging transfer platform 1434.

The second NG buffer platform 1435 is fixedly disposed on a side of the second blanking transfer position 14342 away from the second blanking receiving position 14341, and the second NG buffer platform 1435 is configured to receive a display screen of a Demura failure on the second blanking transfer platform 1434.

The process of shunting the display screen behind the Demura by the blanking transfer mechanism 14 is as follows:

4.1, conveying the display screen after Demura to a first blanking platform 1421 positioned at a first blanking low position 14211;

4.2, the first blanking transfer manipulator 1423 conveys the display screen on the first blanking platform 1421 located at the first blanking low position 14211 to the first blanking transfer platform 1424 located at the first blanking receiving position 14241;

4.3, after the first blanking transfer platform 1424 located at the first blanking receiving position 14241 receives the display screen, sliding the first blanking receiving position 14241 to a first blanking transfer position 14242, and detecting the position of the display screen on the first blanking transfer platform 1424 through a first CCD blanking vision system in the sliding process;

4.4, if the display screen on the first unloading transfer platform 1424 of the first unloading middle transposition 14242 is Demura-successful, waiting for unloading, and if the display screen on the first unloading transfer platform 1424 of the first unloading middle transposition 14242 is Demura-failed, transferring to the first NG cache platform 1425;

4.5, after the display screen on the first blanking platform 1421 located at the first blanking low position 14211 is taken away, the first blanking platform 1421 slides to the first blanking middle position from the first blanking low position 14211;

4.6, the first jacking blanking diversion platform 1422 located below the first blanking platform 1421 rises, so that the first blanking platform 1421 rises from the first blanking middle position to the first blanking high position 14212;

4.7, conveying the display screen after Demura to a first blanking platform 1421 positioned at a first blanking high position 14212;

4.8, after the display screen is received on the first blanking platform 1421 located at the first blanking high position 14212, the first jacking blanking diversion platform 1422 located below the first blanking platform 1421 descends, so that the first blanking platform 1421 is located at the first blanking middle position;

4.9, the first blanking platform 1421 slides from the first blanking middle position to the first blanking low position 14211;

4.10, the first unloading transfer manipulator 1423 conveys the display screen on the first unloading platform 1421 at the first unloading low position 14211 to the first unloading transfer platform 1424 at the first unloading receiving position 14241, and the position of the display screen on the first unloading transfer platform 1424 is detected by a first CCD unloading vision system;

4.11, if the display screen on the first unloading transfer platform 1424 of the first unloading middle transposition 14242 is Demura-successful, waiting for unloading, and if the display screen on the first unloading transfer platform 1424 of the first unloading middle transposition 14242 is Demura-failed, transferring to the first NG cache platform 1425;

4.12, conveying the display screen after Demura to a second blanking platform 1431 at a second blanking low position 14311;

4.13, the second discharging transfer manipulator 1433 conveys the display screen on the second discharging platform 1431 located at the second discharging low position 14311 to the second discharging transfer platform 1434 located at the second discharging receiving position 14341;

4.14, after the second blanking transfer platform 1434 located at the second blanking receiving position 14341 receives the display screen, sliding the second blanking receiving position 14341 to the second blanking transfer position 14342, and detecting the position of the display screen on the second blanking transfer platform 1434 through the second CCD blanking vision system;

4.15, if the display screen on the second blanking transit platform 1434 of the second blanking middle indexing 14342 is Demura-successful, waiting for blanking, and if the display screen on the second blanking transit platform 1434 of the second blanking middle indexing 14342 is Demura-failed, transferring to the second NG cache platform 1435;

4.16, after the display screen on the second blanking platform 1431 at the second blanking low position 14311 is taken away, the second blanking platform 1431 slides from the second blanking low position 14311 to the second blanking middle position;

4.17, the second jacking blanking diversion platform 1432 positioned below the second blanking platform 1431 rises, so that the second blanking platform 1431 rises from the second blanking middle position to a second blanking high position 14312;

4.18, conveying the display screen after Demura to a second blanking platform 1431 at a second blanking high position 14312;

4.19, after the display screen is received on the second blanking platform 1431 located at the second blanking high position 14312, the second jacking blanking diversion platform 1432 located below the second blanking platform 1431 descends, so that the second blanking platform 1431 is located at the second blanking middle position;

4.20, the second blanking platform 1431 slides from the second blanking middle position to the second blanking low position 14311;

4.21, the second discharging transfer manipulator 1433 conveys the display screen on the second discharging platform 1431 at the second discharging low position 14311 to the second discharging transfer platform 1434 at the second discharging receiving position 14341, and the position of the display screen on the second discharging transfer platform 1434 is detected through a second CCD discharging vision system in the sliding process;

4.22, if the display screen on the second blanking transit platform 1434 of the second blanking middle indexing 14342 is Demura-successful, waiting for blanking, and if the display screen on the second blanking transit platform 1434 of the second blanking middle indexing 14342 is Demura-failed, transferring to the second NG cache platform 1435.

The above steps are repeatedly executed.

5. Terminal blanking mechanism 15 for blanking display screen (please refer to fig. 5 and 7)

The terminal blanking mechanism 15 includes a terminal blanking carrier 151, an empty carrier tray transport module 152, a first full carrier tray transport module 153, a second full carrier tray transport module 154, an NG transport module 155, a blanking take-out device, and an empty carrier tray handling structure.

The blanking bearing frame is horizontally arranged and connected with the transfer bearing frame, and the length direction of the blanking bearing frame is consistent with that of the transfer bearing frame. The empty tray transfer module 152, the first full tray transfer module 153, the second full tray transfer module 154, and the NG transfer module 155 are sequentially disposed on the blanking carrier along a length direction of the blanking carrier.

The empty tray transport module 152 includes an empty tray transport line 1521 and an empty tray lift platform 1522.

The length direction of the empty carrier tray transport assembly line 1521 is the same as the width direction of the blanking carriers. The empty carrier tray transport line 1521 includes an empty carrier tray loading position 15211 and an empty carrier tray ascent position 15212 in its transport direction. An empty carrier tray loading position 15211 is used for placing a plurality of empty carrier trays, and an empty carrier tray transport line 1521 is used for transporting the plurality of empty carrier trays from the empty carrier tray loading position 15211 to an empty carrier tray raising position 15212. The empty carrier tray transport line 1521 may be a conveying structure in which a driving wheel and a conveying belt are combined, or may be a structure in which the conveying is performed by a slide rail. A code scanner for scanning all empty carrier trays integrally is arranged above the empty carrier tray loading position 15211.

The empty tray lift platform 1522 is vertically slidably disposed above the empty tray lift position 15212, and is configured to lift a plurality of empty trays located at the empty tray lift position 15212 one by one. The empty correction device that bears the dish and carry out correction one by one is provided with above bearing the dish lift platform 1522 empty, and four correction piece of correction device correspond and bear four limits of dish.

The first full tray transfer module 153 includes a first full tray transfer line 1531 and a first full tray lift platform 1532.

The first full carrier tray transfer line 1531 is adjacent to and parallel to the empty carrier tray transfer line 1521, the first full carrier tray transfer line 1531 includes a first full carrier tray level drop position and a first full carrier tray level drop position 15312 in the transfer direction, the first full carrier tray level drop position is adjacent to the empty carrier tray level 15211, the first full carrier tray level drop position 15312 is adjacent to the empty carrier tray level 15212, and the first full carrier tray transfer line 1531 is configured to transfer a full carrier tray located at the first full carrier tray level drop position 15312 to the first full carrier tray level drop position. The first full tray conveying line 1531 may be configured as a conveying structure in which a driving wheel and a conveying belt are combined, or may be configured as a structure in which a sliding rail conveys the full tray.

The first full tray lift platform 1532 is disposed above the first full tray lower 15312 in a vertical direction to receive empty trays lifted by the empty tray lift platform 1522 one by one, and after a display screen is placed in the empty tray, the full tray is lowered to the first full tray lower 15312 one by one. A code scanner for scanning the loading tray one by one is further disposed above the first full loading tray lifting platform 1532.

The second full tray transport module 154 includes a second full tray transport line 1541 and a second full tray lift platform 1542.

The second full load tray transfer line 1541 is adjacent to and parallel to the first full load tray transfer line 1531, the second full load tray transfer line 1541 includes a second full load tray lowering position and a second full load tray lowering position 15412 in the transfer direction, the second full load tray lowering position is adjacent to the first full load tray lowering position, the second full load tray lowering position 15412 is adjacent to the first full load tray lowering position 15312, and the second full load tray transfer line 1541 is configured to transfer a full load tray located in the second full load tray lowering position 15412 to the second full load tray lowering position. The second full tray conveying line 1541 may be configured as a conveying structure in which a driving wheel is combined with a conveyor belt, or may be configured as a structure in which a slide rail conveys the tray.

The second full-load tray lift platform 1542 is slidably disposed vertically above the second full-load tray lowering position 15412 for receiving empty load trays lifted by the empty-load tray lift platform 1522 one by one, and after a display screen is placed in the empty load trays, the full-load trays are lowered one by one to the second full-load tray lowering position 15412. A code scanner for scanning the code of the bearing disc one by one is further arranged above the second full bearing disc lifting platform 1542.

NG transmission module 155 includes NG transmission pipeline 1551 and NG lift platform 1552.

The NG transmission assembly line 1551 is adjacent to and parallel to the second full-tray transmission assembly line 1541, the NG transmission assembly line 1551 comprises an NG descending position 15512 and an NG blanking position 15511 in the transmission direction, the NG blanking position 15511 is adjacent to the second full-tray descending position, the NG descending position 15512 is adjacent to the second full-tray descending position 15412, and the NG transmission assembly line 1551 is used for transmitting the full trays located at the NG descending position 15512 to the NG blanking position 15511.NG transport line 1551 may be configured as a combined conveyor configuration of a drive wheel and a conveyor belt, or may be configured as a skid conveyor configuration.

NG lift platform 1552 is arranged above NG descending position 15512 in a sliding mode in the vertical direction and used for receiving empty bearing discs lifted by empty bearing disc lift platform 1522 one by one, and full bearing discs are lowered to NG descending position 15512 one by one after display screens are placed in the empty bearing discs. A code scanner for scanning the bearing disc one by one is further arranged above the NG lifting platform 1552.

Empty bearing plate carrying structures are arranged above the empty bearing plate lifting platform 1522, the first full bearing plate lifting platform 1532, the second full bearing plate lifting platform 1542 and the NG lifting platform 1552 in a sliding mode and used for carrying empty bearing plates lifted by the empty bearing plate lifting platform 1522 to the first full bearing plate lifting platform 1532, the second full bearing plate lifting platform 1542 and the NG lifting platform 1552 one by one respectively.

The blanking and taking device comprises a blanking and taking portal frame and a blanking and taking manipulator 156. The blanking taking portal frame is vertically arranged on the terminal blanking bearing frame 151, the blanking taking manipulator 156 is arranged on the blanking taking portal frame in a sliding mode along the XYZ direction, and the blanking taking manipulator 156 is used for conveying display screens on the first blanking transfer platform 1424 and the second blanking transfer platform 1434 to an empty bearing disc of the first full bearing disc lifting platform 1532 and an empty bearing disc of the second full bearing disc lifting platform 1542 respectively. The blanking material taking manipulator 156 can be set to one or two, and when the blanking material taking manipulator is set to two, the display screen on the first empty tray 1522 and the display screen on the second empty tray 1522 are taken correspondingly.

The unloading material manipulator 156 includes unloading material main part 1561, unloading material rotation axis 1562, unloading material connecting plate 1563 and two sets of unloading material adsorption component 1564. The unloading is got material main part 1561 and is slided to set up on the unloading is got the material portal frame, and the unloading is got the one end of material axis of rotation 1562 and is got the material main part 1561 with the unloading and rotate the setting, and the other end is got the middle part of material connecting plate 1563 with the unloading and is connected. Unloading is got material adsorption component 1564 and is used for adsorbing display screen and FPC, and two sets of unloads material adsorption component 1564 set up respectively and get the both ends of material connecting plate 1563 at the unloading, and set up and get the material connecting plate 1563 and keep away from the unloading and get one side of material axis of rotation 1562 at the unloading. The unloading of this structure is got material axis of rotation 1562 and is made the material loading get material adsorption component rotatable to according to the skew angle of display screen, adsorb the display screen again after adjusting to suitable position.

Each group of blanking material taking adsorption components 1564 comprises a blanking material taking fixed sheet 15641, a blanking material taking connecting sheet 15642, a blanking material taking rotating sheet 15643 and a plurality of blanking material taking suction heads 15644. Unloading is got stationary blade 15641 and is the rectangle, and its end connection who gets material connecting plate 1563 with the unloading, and the level sets up. The unloading is got the unloading of being provided with the rectangular shape of a plurality of parallels on the material stationary blade 15641 and is got the material fixed orifices, and the unloading is got the length direction of material fixed orifices and the unloading and is got the length direction unanimity of material stationary blade 15641. The blanking and material taking suction head 15644 is movably arranged in the blanking and material taking fixing hole. The blanking and material taking sucker 15644 on the blanking and material taking fixing piece 15641 is used for adsorbing the display screen. The connecting piece 15642 is detachably and fixedly connected with one corner of the fixing piece 15641. The blanking taking connecting sheet 15642 is provided with a plurality of mounting holes along the length direction thereof. The unloading is got the material rotating plate 15643 and is got the mounting hole on the material connection piece 15642 through the unloading and is got the material and be connected with the rotation of unloading material connection piece 15642. The unloading is got and is got the unloading that all is provided with rectangular shape on the rotor 15643 and get the material locating hole, and the unloading is got the material suction head 15644 activity and is set up in the unloading is got the material locating hole. And a blanking material taking suction head 15644 on the blanking material taking rotary sheet 15643 is used for adsorbing the FPC. This structure makes the unloading get the unloading on the stationary blade 15641 and gets the material suction head 15644 can get the position of material suction head 15644 according to the corresponding unloading of size adjustment of display screen, and the unloading is got the unloading and is got the material suction head 15644 on the rotatable blade 15643 and can get the position of material suction head 15644 according to FPC's position and size adjustment corresponding unloading.

The feeding manipulator 156 further comprises a plurality of first feeding connectors 1565 and a plurality of second feeding connectors 1566, which are all used for connecting with the feeding suction head 15644 through an air pipe to supply air to the feeding suction head 15644. A plurality of first unloading connector 1565 distribute on unloading is got material main part 1561, and a plurality of first unloading connector 1565 sets up to two sets of symmetric distribution, and wherein a set of first unloading connector 1565 is close to one of them group of unloading and gets material adsorption component 1564 for get the unloading of material adsorption component 1564 and get material suction head 15644 air feed for this group of unloading, and another group of first unloading connector 1565 is close to another group of unloading and gets material adsorption component 1564, is used for getting the unloading of material adsorption component 1564 and get material suction head 15644 air feed for this group of unloading. A plurality of second unloading meet gas head 1566 distribute on unloading is got material connecting plate 1563, and a plurality of second unloading meet gas head 1566 and unloading are got material axis of rotation 1562 and are located the unloading and get same one side of material connecting plate 1563. A plurality of second unloading connector 1566 sets up to two sets of symmetric distribution, and wherein a set of second unloading connector 1566 is close to one of them group of unloading and gets material adsorption component 1564 for get the unloading of material adsorption component 1564 and get the material suction head 15644 air feed for this group of unloading, and another group of second unloading connector 1566 is close to another group of unloading and gets material adsorption component 1564, is used for getting the unloading of material adsorption component 1564 for this group of unloading and getting the material suction head 15644 air feed. Above-mentioned structure can select unloading to get the material suction head 15644 and receive first unloading connector 1565 or receive second unloading connector 1566 as required to when selecting first unloading connector 1565, the unloading of every group unloading is got the material suction head 15644 of material adsorption component 1564 and can be selected a set of first unloading connector 1565 that is close to, when selecting second unloading connector 1566, the unloading of every group unloading is got the material suction head 15644 of material adsorption component 1564 and can be selected a set of second unloading connector 1566 that is close to.

The feeding and taking manipulator 156 further comprises two sets of feeding and taking winding assemblies 1567, and each set of feeding and taking winding assembly 1567 comprises a feeding and taking fixing plate 15671 and a feeding and taking winding sheet 15672. Two unloading are got material fixed plate 15671 and are set up respectively in the vertical direction and get the both ends of material connecting plate 1563 in the unloading, get the same one side that material axis of rotation 1562 lies in unloading and get material connecting plate 1563 with the unloading. One end of the blanking taking fixing plate 15671 is connected with one end of the blanking taking connecting plate 1563, and the other end of the blanking taking fixing plate is provided with a plurality of mounting holes along the length direction. Unloading is got material winding piece 15672 and is got material winding part and unloading and get spacing portion including the unloading that connects gradually getting material connecting portion, unloading. One end of the feeding material taking connecting part is detachably connected with the feeding material taking fixing plate 15671 through a mounting hole of the feeding material taking fixing plate 15671, and the other end of the feeding material taking connecting part is vertically connected with one end of the feeding material taking winding part. The blanking and material taking winding part is used for winding an air pipe connected with a blanking and material taking suction head 15644. The other end of unloading is got material winding part and is got material spacing portion and the perpendicular connection of unloading, and the unloading is got the material spacing portion and is got the direction extension of material fixed plate 15671 to being close to the unloading. Above-mentioned structure can get the trachea winding that material suction head 15644 is connected with the unloading on the material winding portion is got to the unloading to get material spacing portion through the unloading and can get the trachea that material suction head 15644 is connected with the unloading and carry on spacingly, make the trachea of getting material suction head 15644 and being connected with the unloading be difficult for disturbing other parts, avoid causing the machine trouble. Meanwhile, the other end of the blanking material taking fixing plate 15671 is provided with a plurality of mounting holes along the length direction, and the height of the blanking material taking winding piece 15672 can be adjusted according to the length of an air pipe connected with the blanking material taking suction head 15644.

The process of blanking the display screen by the terminal blanking mechanism 15 is as follows:

5.1, placing a plurality of empty bearing trays on an empty bearing tray loading position 15211 of an empty bearing tray transmission flow line 1521, scanning the plurality of empty bearing trays integrally through a code scanner, and after the code scanning is finished, the empty bearing tray transmission flow line 1521 conveys the plurality of empty bearing trays to an empty bearing tray loading position 15212;

5.2, the empty bearing tray lifting platform 1522 lifts the empty bearing trays positioned at the empty bearing tray lifting position 15212 to the correction device above, and the correction device corrects the bearing trays one by one;

5.3, the empty carrier tray carrying structure carries the empty carrier tray corrected by the empty carrier tray ascending position 15212 to the first full carrier tray lifting platform 1532 above the first full carrier tray descending position 15312;

5.4, the correction device above the first full bearing tray lifting platform 1532 corrects the empty bearing tray again;

5.5, the code scanner above the first full carrier lift platform 1532 scans the empty carrier tray individually;

5.6, starting a first CCD blanking visual system and first blanking infrared light, rotating a blanking and taking manipulator 156 to a proper angle according to detection parameters of the first CCD blanking visual system, enabling a blanking and taking sucker 15644 on a blanking and taking fixing piece 15641 and a blanking and taking sucker 15644 on the blanking and taking fixing piece 15641 to correspond to a display screen and an FPC in a proper position, taking away the display screen on a first blanking transfer platform 1424 of a first blanking transfer position 14242, rotating the blanking and taking manipulator 156 to an initial position, then rotating the blanking and taking manipulator 156 clockwise by 90 degrees, and placing the two display screens in an empty bearing disc on a first full bearing disc lifting platform 1532;

5.7, the blanking and material taking manipulator 156 rotates 90 degrees counterclockwise and then returns to the initial position, and according to the detection parameters of the first CCD blanking visual system, the blanking and material taking manipulator 156 rotates to a proper angle to make the blanking and material taking suction head 15644 on the blanking and material taking fixing piece 15641 and the blanking and material taking suction head 15644 on the blanking and material taking fixing piece 15641 correspond to proper positions of the display screen and the FPC, and take away the display screen on the first blanking transfer platform 1424 of the first blanking transfer position 14242, after rotating 90 degrees counterclockwise after the blanking and material taking manipulator 156 rotates to the initial position, the two display screens are placed in the empty bearing tray on the first full bearing tray lifting platform 1532, so that the two display screens transported in this step and the two display screens transported in step 5.6 are arranged in a pairwise opposite manner.

5.8, the full tray is lowered to the first empty tray lowering position by the first full tray lifting platform 1532;

5.9, when the number of full trays at the first full tray drop position 15312 reaches a certain number, the first full tray transport line 1531 transports the full trays at the first full tray drop position 15312 to the first full tray drop position 15311;

5.10, the empty carrier tray carrying structure carries the empty carrier tray corrected at the empty carrier tray ascending position 15212 to a second full carrier tray lifting platform 1542 positioned above a second full carrier tray descending position 15412;

5.11, the correcting device above the second full carrier tray lifting platform 1542 corrects the empty carrier tray again;

5.12, the code scanner above the second full carrier plate lifting platform 1542 performs single code scanning on the empty carrier plate;

5.13, starting a second CCD blanking visual system and second blanking infrared light, rotating a blanking and taking manipulator 156 to a proper angle according to detection parameters of the second CCD blanking visual system, enabling a blanking and taking sucker 15644 on a blanking and taking fixing piece 15641 and a blanking and taking sucker 15644 on the blanking and taking fixing piece 15641 to correspond to proper positions of a display screen and an FPC, taking away the display screen on a second blanking transfer platform 1434 positioned at a second blanking transfer position 14342, rotating the blanking and taking manipulator 156 to an initial position, then rotating the blanking and taking manipulator clockwise by 90 degrees, and then placing the two display screens in an empty bearing disc on a second full bearing disc lifting platform 1542;

5.14, the unloading reclaimer manipulator 156 returns to the initial position after rotating 90 degrees anticlockwise, again according to the detection parameter of second CCD unloading vision system, the unloading reclaimer manipulator 156 rotates to a suitable angle, make the unloading reclaimer suction head 15644 on the unloading reclaimer stationary blade 15641 and the unloading reclaimer suction head 15644 on the unloading reclaimer stationary blade 15641 correspond to the display screen and the suitable position of FPC, and take away the display screen on the second unloading relay platform 1434 that is located the transposition 14342 in the second unloading, after the unloading reclaimer manipulator 156 rotates 90 degrees anticlockwise again after the initial position, place two display screens in the empty tray that bears on the tray lift platform 1542 fully of second, make two display screens that this step transported and two display screens that step 5.13 transported set up two pairs relatively.

5.15, the full carrier tray descends to a second empty carrier tray descending position through a second full carrier tray lifting platform 1542;

5.16, when the number of full trays located at the second full tray drop position 15412 reaches a certain number, the second full tray transport line 1541 transports the full trays located at the second full tray drop position 15412 to the second full tray drop position 15411;

5.17, the empty bearing tray carrying structure carries the empty bearing tray corrected by the empty bearing tray ascending position 15212 to an NG lifting platform 1552 positioned above an NG descending position 15512;

5.18, the correcting device positioned above the NG lifting platform 1552 corrects the empty bearing disc again;

5.19, the code scanner positioned above the NG lifting platform 1552 performs single code scanning on the empty bearing disc;

5.20, the blanking and taking manipulator 156 takes the display screen with Demura failure on the first blanking transfer platform 1424 of the first blanking transfer position 14242 away and places the display screen on the first NG cache platform 1425, and after the display screen is accumulated to two pieces, the blanking and taking manipulator 156 takes the two display screens on the first NG cache platform 1425 away and places the two display screens in the bearing disc on the NG lifting platform 1552;

5.21, the blanking and material taking manipulator 156 takes away the display screen with Demura failure on the second blanking transfer platform 1434 positioned on the second blanking transfer position 14342, and places the display screen on the second NG cache platform 1435, and after the display screen is accumulated to two pieces, the blanking and material taking manipulator 156 takes away the two display screens positioned on the second NG cache platform 1435 and places the two display screens in the bearing plate on the NG lifting platform 1552;

5.22, the full bearing tray descends to an NG descending position 15512 through an NG lifting platform 1552;

5.23, when the number of full bearing trays located at the NG descending position 15512 reaches a certain number, the NG transmission pipeline 1551 conveys the full bearing trays located at the NG descending position 15512 to the NG blanking position 15511.

The above steps are repeatedly executed.

The high-precision Demura equipment provided by the invention can be used for blanking a plurality of Demura workshop sections, effectively improves the Demura efficiency of the display screen, and has a compact structure and small occupied space.

In view of the foregoing, it is intended that the present invention cover the preferred embodiment of the invention and not be limited thereto, but that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The high-precision Demura equipment is characterized by being used for performing Demura operation on a display screen and comprising a feeding system, a compensating system and a discharging system;

unloading transfer mechanism includes:

the second blanking transfer unit is arranged opposite to the first blanking transfer unit, comprises a second blanking module, a second blanking transfer module and a second blanking transfer module which are sequentially distributed and are all linear, the second blanking module and the second blanking transfer module are parallel to each other, and the second blanking transfer module is vertically arranged between the second blanking module and the second blanking transfer module; the second blanking module comprises a second blanking platform which is arranged in a sliding mode in the horizontal direction and the vertical direction, the second blanking platform comprises a second blanking low position used for low-position blanking on a horizontal sliding track of the second blanking platform, and comprises a second blanking high position used for high-position blanking on a vertical sliding track of the second blanking platform, and the second blanking platform is used for conveying a display screen from the second blanking high position to the second blanking low position; the second blanking transfer-over module comprises a second blanking transfer-over mechanical arm which is arranged in a sliding mode, the second blanking transfer-over mechanical arm comprises a second blanking transfer-over feeding position and a second blanking transfer-over discharging position in the sliding direction, and the second blanking transfer-over mechanical arm is used for bearing a display screen of the second blanking platform positioned at the second blanking lower position and conveying the second blanking transfer-over feeding position to the second blanking transfer-over discharging position; the second blanking transfer module comprises a second blanking transfer platform which is arranged in a sliding mode, the second blanking transfer platform comprises a second blanking receiving position and a second blanking transfer position in the sliding direction, and the second blanking transfer platform is used for receiving a display screen clamped by the second blanking transfer manipulator and conveying the display screen from the second blanking receiving position to the second blanking transfer position; and (c) a second step of,

the terminal unloading mechanism comprises an unloading taking device, the unloading taking device comprises an unloading taking manipulator, the unloading taking manipulator is arranged above the first unloading transfer platform and the second unloading transfer platform in a sliding mode, and the unloading taking manipulator is used for conveying display screens on the first unloading transfer platform and the second unloading transfer platform.

2. A high precision Demura apparatus according to claim 1,

the feeding system comprises a feeding transfer mechanism, and the feeding transfer mechanism comprises a feeding transfer bearing frame;

the compensation system comprises:

the compensation bearing frame is arranged adjacent to the feeding transfer bearing frame;

a plurality of mura defect compensators disposed on the compensation carrier for performing Demura operations on a display screen; and the number of the first and second groups,

and the mura detection CCD cameras are respectively and correspondingly arranged above the mura defect compensators and used for shooting the display screen.

3. The high-precision Demura equipment as claimed in claim 2, wherein a rotating shaft is arranged below the mura defect compensator, the mura defect compensator sequentially comprises a feeding and discharging station, an IC eliminating station, a mura testing station and a burning station along the circumferential direction of rotation of the mura defect compensator, and the rotating shaft rotates to enable a display screen to be sequentially positioned on the feeding and discharging station, the IC eliminating station, the mura testing station and the burning station; the loading and unloading station is used for loading and unloading the display screen; the IC eliminating station is used for eliminating original data in the IC of the display screen; the mura detection CCD camera is arranged above the mura test station, and the mura test station is used for photographing a display screen through the mura detection CCD camera; the burning station is used for carrying out data compensation on the display screen.

4. A high precision Demura apparatus according to claim 1,

the first blanking platform comprises a first blanking middle position on the horizontal and vertical sliding tracks, the first blanking module further comprises a first jacking blanking shunting platform which is arranged in a sliding mode along the vertical direction, when the first blanking platform is located at the first blanking middle position, the first jacking blanking shunting platform is located below the first blanking platform, and the first jacking blanking shunting platform is used for enabling the first blanking platform to descend from the first blanking high position to be located at the first blanking middle position;

the second unloading platform all includes second unloading intermediate position on its level and vertical slip orbit, second unloading module still includes the second jacking unloading reposition of redundant personnel platform that slides along vertical direction and set up, works as second unloading platform is located when the second unloading intermediate position, second jacking unloading reposition of redundant personnel platform is located the below of second unloading platform, second jacking unloading reposition of redundant personnel platform be used for with second unloading platform by second unloading high-order decline makes it be located second unloading intermediate position.

5. The high-precision Demura equipment according to claim 4, wherein the first blanking platform is made of metal, and a magnet for attracting the first blanking platform is arranged on the surface of the first jacking blanking shunting platform; the second unloading platform sets up to the metal material, the surface of second jacking unloading reposition of redundant personnel platform is provided with and is used for holding the magnet of second unloading platform.

6. The high precision Demura apparatus of claim 1, wherein the display screen is rectangular with a protruding FPC at one end of its wide side;

the first discharging transfer robot includes:

a first discharging transfer main body part which is slidably provided; and the number of the first and second groups,

the first blanking transferring and adsorbing assemblies comprise first blanking transferring and fixing plates, first blanking transferring and connecting plates, first blanking transferring and rotating plates and a plurality of first blanking transferring and sucking heads; the first blanking transfer-to fixing plate is rectangular, is connected with the first blanking transfer-to main body part and is horizontally arranged, a plurality of parallel long-strip-shaped first blanking transfer-to fixing holes are formed in the first blanking transfer-to fixing plate, the length direction of the first blanking transfer-to fixing holes is consistent with that of the first blanking transfer-to fixing plate, and the first blanking transfer-to suction head is movably arranged in the first blanking transfer-to fixing holes and is used for adsorbing a display screen; the first blanking transfer-over connecting piece is detachably and fixedly connected with one corner of the first blanking transfer-over fixing piece, a plurality of mounting holes are formed in the first blanking transfer-over connecting piece in the length direction, the first blanking transfer-over rotating piece is rectangular and is in rotary connection with the first blanking transfer-over connecting piece through the mounting holes in the first blanking transfer-over connecting piece, a first blanking transfer-over positioning hole in a long strip shape is formed in the first blanking transfer-over rotating piece, the length direction of the first blanking transfer-over positioning hole is consistent with that of the first blanking transfer-over rotating piece, and the first blanking transfer-over suction head is movably arranged in the first blanking transfer-over positioning hole and used for adsorbing FPC.

7. The high-precision Demura apparatus of claim 1, wherein the display screen is placed in a tray for blanking, the terminal blanking mechanism further comprising:

the empty bearing disc transmission module comprises an empty bearing disc transmission assembly line and an empty bearing disc lifting platform; the empty carrier tray transmission assembly line comprises an empty carrier tray discharging position and an empty carrier tray ascending position in the horizontal conveying direction, the empty carrier tray discharging position is used for placing a plurality of empty carrier trays, and the empty carrier tray transmission assembly line is used for conveying the empty carrier trays from the empty carrier tray discharging position to the empty carrier tray ascending position; the empty bearing disc lifting platform is arranged above the empty bearing disc lifting position in a sliding mode along the vertical direction and used for lifting the empty bearing discs located at the empty bearing disc lifting position one by one;

the first full bearing disc transmission module comprises a first full bearing disc transmission assembly line and a first full bearing disc lifting platform; the first full carrier tray transmission assembly line and the empty carrier tray transmission assembly line are adjacent and parallel, the first full carrier tray transmission assembly line comprises a first full carrier tray level unloading level and a first full carrier tray descending level in the horizontal conveying direction, the first full carrier tray level unloading level is adjacent to the empty carrier tray level unloading level, the first full carrier tray descending level is adjacent to the empty carrier tray ascending level, and the first full carrier tray transmission assembly line is used for conveying full carrier trays located at the first full carrier tray descending level to the first full carrier tray level unloading level; the first full bearing disc lifting platform is arranged above the first full bearing disc descending position in a sliding mode along the vertical direction and used for bearing empty bearing discs lifted by the empty bearing disc lifting platform one by one, and after a display screen is placed in the empty bearing discs, the full bearing discs are descended to the first full bearing disc descending position one by one; the blanking and material taking manipulator is arranged above the first full bearing disc lifting platform in a sliding mode, and the first full bearing disc lifting platform is used for bearing a display screen conveyed by the blanking and material taking manipulator;

the second full bearing tray transmission module comprises a second full bearing tray transmission assembly line and a second full bearing tray lifting platform; the second full bearing tray transmission assembly line is adjacent to and parallel to the first full bearing tray transmission assembly line, the second full bearing tray transmission assembly line comprises a second full bearing tray level unloading level and a second full bearing tray level unloading level in the horizontal conveying direction, the second full bearing tray level unloading level is adjacent to the first full bearing tray level unloading level, and the second full bearing tray transmission assembly line is used for conveying full bearing trays located at the second full bearing tray level unloading level to the second full bearing tray level unloading level; the second full bearing disc lifting platform is arranged above the second full bearing disc descending position in a sliding mode along the vertical direction and used for bearing empty bearing discs lifted by the empty bearing disc lifting platform one by one, and after a display screen is placed in the empty bearing discs, the full bearing discs are descended to the second full bearing disc descending position one by one; the blanking and material taking manipulator is arranged above the second full bearing disc lifting platform in a sliding mode, and the second full bearing disc lifting platform is used for bearing a display screen conveyed by the blanking and material taking manipulator;

the empty bearing disc carrying structure is arranged above the empty bearing disc lifting platform, the first full bearing disc lifting platform and the second full bearing disc lifting platform in a sliding mode and is used for carrying empty bearing discs lifted by the empty bearing disc lifting platform to the first full bearing disc lifting platform and the second full bearing disc lifting platform one by one respectively; and (c) a second step of,

the unloading transfer bears the frame, empty bear set transmission module, first bear set transmission module full, the second bears set transmission module full, empty bear set transport structure with unloading extracting device all sets up the unloading transfer bears the frame.

8. A high precision Demura apparatus according to claim 7,

the first blanking transfer unit further comprises a first NG cache platform which is fixedly arranged on one side, away from the first blanking carrying position, of the first blanking transfer platform in a transposition manner, and the blanking material taking manipulator is further arranged above the first NG cache platform in a sliding manner and used for conveying a display screen with a Demura failure on the first blanking transfer platform to the first NG cache platform;

the second blanking transfer unit further comprises a second NG buffer platform which is fixedly arranged on one side, away from the second blanking receiving position, of the second blanking transfer position, and the blanking material taking manipulator is further arranged above the second NG buffer platform in a sliding mode and used for conveying a display screen with Demura failure on the second blanking transfer platform to the second NG buffer platform;

the terminal blanking mechanism also comprises an NG transmission module which comprises an NG transmission assembly line and an NG lifting platform; NG transmission assembly line with the second holds carrier plate transport assembly line adjacent and parallel arrangement completely, NG transmission assembly line includes NG decline position and NG material level down on its direction of delivery, NG material level down with the second holds carrier plate position down the material level adjacent completely, NG decline position with the second holds carrier plate decline position adjacent completely, NG transmission assembly line is used for will being located the full carrier plate that NG declined the position carries extremely NG material level down.

9. A high-precision Demura device according to claim 8, wherein a correction device for correcting the empty bearing discs one by one is arranged above the empty bearing disc lifting platform, and four correction blocks of the correction device correspond to four edges of each bearing disc; a correction device for correcting the empty bearing discs one by one is arranged above the first full bearing disc lifting platform, and four correction blocks of the correction device correspond to four edges of the bearing discs; a correcting device for correcting the empty bearing discs one by one is arranged above the second full bearing disc lifting platform, and four correcting blocks of the correcting device correspond to four edges of the bearing discs; and a correction device for correcting empty bearing discs one by one is arranged above the NG lifting platform, and four correction blocks of the correction device correspond to four edges of the bearing discs.

10. A high precision Demura apparatus according to claim 9,

the display screen is rectangular, and one end of the wide edge of the display screen is provided with a convex FPC (flexible printed circuit); the bearing plate is rectangular, four display screens 2*2 are symmetrically distributed in pairs during blanking, the length direction of the four display screens is consistent with that of the bearing plate, and the FPC on each display screen faces the display screen opposite to the FPC;

a first CCD blanking visual system is further arranged on one side of the first blanking middle transposition and is used for detecting the position of a display screen on the first blanking transit platform positioned on the first blanking middle transposition; a second CCD blanking visual system is further arranged on one side of the second blanking middle transposition and is used for detecting the position of a display screen on the second blanking transit platform in the second blanking middle transposition;

the blanking and taking manipulator comprises a blanking and taking main body part, a blanking and taking rotating shaft, a blanking and taking connecting plate and two groups of blanking and taking adsorption components; the material main part is got to the unloading sets up that slides, the unloading is got the one end of material axis of rotation with the unloading is got the material main part and is rotated and be connected, the unloading is got the material connecting plate with the unloading is got the other end of material axis of rotation and is connected, and is two sets of the unloading is got the material adsorption component and is set up respectively the both ends of material connecting plate are got to the unloading, and sets up the unloading is got the material connecting plate and is kept away from one side of material axis of rotation is got to the unloading, and is two sets of the unloading is got the material adsorption component and is used for adsorbing two display screens that the orientation is unanimous.