CN113311604B - Special positioner of liquid crystal module kludge - Google Patents

Special positioner of liquid crystal module kludge Download PDF

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Publication number
CN113311604B
CN113311604B CN202110548791.1A CN202110548791A CN113311604B CN 113311604 B CN113311604 B CN 113311604B CN 202110548791 A CN202110548791 A CN 202110548791A CN 113311604 B CN113311604 B CN 113311604B
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China
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positioning
turntable
backlight
station
cylinder
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CN113311604A (en
Inventor
陈磊
李铁
吴洪坤
菅卫娟
任世伟
巩天翼
白杨
潘强强
杨宝春
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CETC Fenghua Information Equipment Co Ltd
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CETC Fenghua Information Equipment Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303Apparatus specially adapted to the manufacture of LCDs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses a special positioning device for a liquid crystal module assembling machine, which comprises: the device comprises a turntable mechanism, an air supply air path and a backlight four-side mechanical positioning mechanism, wherein the turntable mechanism is provided with a turntable power motor, a power output shaft of the turntable power motor is connected with an input shaft of a turntable power transmission reducer, an output shaft of the turntable power transmission reducer is connected with an input shaft of a 90-degree operation cam divider, the 90-degree operation cam divider is installed on a turntable mechanism installation base, a four-station turntable is installed on an output shaft of the 90-degree operation cam divider, four stations are uniformly distributed on the four-station turntable, and each station is provided with a negative pressure workbench. The mechanism provided by the invention realizes perfect fit among backlight mechanical positioning, a backlight film tearing and laminating process and backlight material circulation, so that the positioning function is separated from the stations, the defect of deviation of four mechanical positioning caused by movement of the positioning mechanism along with the stations is avoided, and the consistency of mechanical positioning on a single station can be ensured.

Description

Special positioner of liquid crystal module kludge
Technical Field
The invention relates to the field of display manufacturing of LED liquid crystal panels in electronic communication technology, in particular to a special positioning device for a liquid crystal module assembling machine.
Background
In the field of LED liquid crystal panel display manufacturing, liquid crystal glass is display glass which adopts a liquid crystal transmittance control technology to realize colors. The backlight is a back plate that reflects off the back of the liquid crystal glass and provides a source of illumination. The LED liquid crystal display screen is the combination of the two. The liquid crystal module assembling machine is a key device for manufacturing the liquid crystal display module, adopts the technologies of an image alignment system, precise motion control and the like, and realizes the electrical and mechanical connection between a backlight source and a liquid crystal display screen through the process flows of glass film tearing, backlight film tearing, glass backlight laminating assembly and the like.
In the prior art, the backlight positioning and station transfer in the liquid crystal module assembling machine mainly have the following methods and disadvantages: (1) the backlight positioning adopts an image system for positioning, the station material circulation adopts a turntable type station layout mode, the image system is expensive in manufacturing cost, meanwhile, the requirements on the precision of mechanical parts, the light transmittance of materials and the like are higher in order to obtain clear image quality, if the mechanical positioning is adopted, the mechanical positioning cannot be separated from the turntable, so that the mechanical positioning can move along with the turntable, errors exist in the mechanical positioning on four stations, and the consistency of each positioning on a single position cannot be ensured; (2) the location of being shaded adopts mechanical positioning mode, and station material circulation adopts orthoscopic station layout mode, and this kind of mode is because mechanical positioning can't with tear the membrane, technology stations coincidence such as laminating, and it carries out tear film and laminating to go the technology station again after the completion of needs location, causes the waste of space and efficiency, can't realize the function of multistation simultaneous operation simultaneously.
Disclosure of Invention
The invention discloses a special positioning device for a liquid crystal module assembling machine, which can realize the function of combining a backlight mechanical positioning station with a backlight film tearing and laminating process operation station, and simultaneously, the turntable type station distribution can provide a multi-station simultaneous operation mode, thereby greatly saving the layout space and improving the production efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme: a special positioner of liquid crystal module kludge, the device includes:
the turntable mechanism is provided with a turntable power motor, a power output shaft of the turntable power motor is connected with an input shaft of a turntable power transmission speed reducer, an output shaft of the turntable power transmission speed reducer is connected with an input shaft of a 90-degree operation cam divider, the 90-degree operation cam divider is installed on a turntable mechanism installation base, a four-station turntable is installed on an output shaft of the 90-degree operation cam divider, four stations are uniformly distributed on the four-station turntable, and a negative pressure workbench is arranged on each station; and
the air supply air circuit is provided with an upper frame, a slip ring mounting seat is arranged on the upper frame, an air circuit separating rotating slip ring is arranged on the lower end face of the slip ring mounting seat, the axis of the air circuit separating rotating slip ring is overlapped with the axis of the four-station turntable, and the air circuit separating rotating slip ring provides negative pressure for each negative pressure workbench; and
the backlight four-side mechanical positioning mechanism is provided with a lower rack, a lower positioning mechanism mounting seat is mounted on the lower rack, a lower positioning cylinder is mounted on the lower positioning mechanism mounting seat, a right positioning fixed flange is mounted on the lower positioning cylinder, a front positioning fixed flange is mounted on the right side of the right positioning fixed flange, a square notch is formed in the front positioning fixed flange, a rear positioning cylinder is mounted on the upper portion of the right positioning fixed flange, and a rear positioning movable flange is mounted on the rear positioning cylinder; and the left positioning cylinder mounting seat is mounted on the upper frame, a left positioning cylinder is mounted on the lower end face of the left positioning cylinder mounting seat, and a left positioning movable flange is mounted on the left positioning cylinder.
In the structure, the four stations are respectively a backlight feeding positioning station, a backlight film tearing station, a backlight positioning and laminating station and a blanking station.
In the structure, the rear positioning movable baffle edge is provided with a row of pinch rollers.
In the structure, the left positioning movable baffle edge is provided with a row of pinch rollers.
In the above structure, the upper end surface of the right positioning fixed rib and the upper end surface of the front positioning fixed rib are at the same horizontal height.
In the structure, when the lower positioning cylinder is in an initial state, the upper end surface of the right positioning fixed flange is lower than the lower end surface of the four-station turntable.
In the structure, when the backlight product reaches the backlight feeding positioning station, the lower positioning cylinder rises, the right positioning fixed flange and the front positioning fixed flange respectively limit the right side and the front side of the backlight product, then the left positioning cylinder extends out, the pressing wheel arranged on the left positioning movable flange limits the left side of the backlight product, and the rear positioning cylinder extends out and limits the rear side of the backlight product by the pressing wheel arranged on the rear positioning movable flange.
In the structure, the four-station turntable is provided with lightening holes.
Compared with the prior art, the invention has the beneficial effects that:
the mechanism realizes perfect conjunction among backlight mechanical positioning, a backlight film tearing and laminating process and backlight material circulation, so that the positioning function is separated from the stations, the defect of deviation of four mechanical positioning caused by the movement of the positioning mechanism along with the stations is avoided, and the consistency of the mechanical positioning on a single station can be ensured; the mechanism of the invention realizes more reasonable layout in space, saves space and simplifies the flow of the carrying process; the mechanism realizes backlight positioning by using mechanical positioning instead of an image system, and provides a more reliable positioning mode for the lamination of backlight and glass; compared with a positioning mode that the positioning mechanism moves along with the stations, the invention has lower requirement on the station position precision of the four stations of the turntable, adopts a mode of operating the cam divider at 90 degrees to replace a DD motor, can greatly reduce the production cost and improve the production efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the present invention;
fig. 2 is a perspective view of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all 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 application.
As shown in fig. 1-2, a positioning device dedicated for a liquid crystal module assembling machine comprises:
the rotary table mechanism is provided with a rotary table power motor 7, a power output shaft of the rotary table power motor 7 is connected with an input shaft of a rotary table power transmission speed reducer 8, an output shaft of the rotary table power transmission speed reducer 8 is connected with an input shaft of a 90-degree operation cam divider 6, the 90-degree operation cam divider 6 is installed on a rotary table mechanism installation base 5, a four-station rotary table 9 is installed on an output shaft of the 90-degree operation cam divider 6, four stations are uniformly distributed on the four-station rotary table 9, and a negative pressure workbench 15 is arranged on each station; and
the air supply air path is provided with an upper frame 13, a slip ring mounting seat 12 is mounted on the upper frame 13, an air path separation rotating slip ring 11 is mounted on the lower end face of the slip ring mounting seat 12, the axis of the air path separation rotating slip ring 11 is overlapped with the axis of the four-station turntable 9, and the air path separation rotating slip ring 11 provides negative pressure for each negative pressure workbench 15; and
the backlight four-side mechanical positioning mechanism is provided with a lower rack, a lower positioning mechanism mounting seat 1 is mounted on the lower rack, a lower positioning cylinder 2 is mounted on the lower positioning mechanism mounting seat 1, a right positioning fixed flange 3 is mounted on the lower positioning cylinder 2, a front positioning fixed flange 4 is mounted on the right side of the right positioning fixed flange 3, a square notch 20 is formed in the front positioning fixed flange 4, a rear positioning cylinder 19 is mounted on the upper portion of the right positioning fixed flange 3, and a rear positioning movable flange 18 is mounted on the rear positioning cylinder 19; and a left positioning cylinder mounting seat 14 mounted on the upper frame 13, a left positioning cylinder 16 is mounted on the lower end surface of the left positioning cylinder mounting seat 14, and a left positioning movable flange 17 is mounted on the left positioning cylinder 16. The square notch 20 is designed to avoid the tear tape corner without affecting the orientation.
The four stations are respectively a backlight feeding positioning station, a backlight film tearing station, a backlight positioning and laminating station and a blanking station.
A row of pinch rollers are mounted on the rear positioning movable flange 18.
And a row of pinch rollers are arranged on the left positioning movable flange 17.
The upper end surface of the right positioning fixed rib 3 and the upper end surface of the front positioning fixed rib 4 are at the same horizontal height.
When the lower positioning cylinder 2 is in an initial state, the upper end surface of the right positioning fixed flange 3 is lower than the lower end surface of the four-station turntable 9.
When the backlight product 10 reaches the backlight feeding positioning station, the lower positioning cylinder 2 rises, the right positioning fixed rib 3 and the front positioning fixed rib 4 respectively limit the right side and the front side of the backlight product 10, then the left positioning cylinder 16 extends out, the pressing wheel arranged on the left positioning movable rib 17 limits the left side of the backlight product 10, and the rear positioning cylinder 19 extends out of the pressing wheel arranged on the rear positioning movable rib 18 and limits the rear side of the backlight product 10.
Lightening holes are formed in the four-station turntable 9.
The working principle of the invention is as follows:
the positioning mechanism is divided into two parts, one part is positioned above the four-station turntable 9, and a left positioning air cylinder 16 is fixed on an upper frame 13 through a left positioning air cylinder mounting seat 14; the other part is positioned below the four-station turntable 9, and the lower positioning cylinder 2 is fixed on the lower frame through the lower positioning mechanism mounting seat 1, so that the positioning mechanism cannot move along with the turntable. When the four-station turntable 9 needs to move, the turntable power motor 7 realizes the station rotation of the turntable through the turntable power transmission speed reducer 8 and the 90-degree operation cam divider 6, and no other interference mechanism exists in the movement space of the turntable. After the backlight product 10 is placed on the negative pressure workbench 15, the air path on the upper frame 13 provides a negative pressure adsorption function for the negative pressure workbench 15 through the air path separation rotating slip ring 11, the bottom of the air path separation rotating slip ring 11 is fixed on the four-station turntable 9 and can rotate along with the turntable, the top of the air path separation rotating slip ring is fixed on the upper frame 13 through the slip ring mounting seat 12, and a switching function of a movable air path and a fixed air path can be realized.
The positioning process of the invention comprises: after the product 10 in a poor light adsorbs on negative pressure workstation 15, be located the lower location cylinder 2 of quadruplex position carousel 9 below and rise, can provide two fixed limits that the product 10 in a poor light was fixed a position like this: the right positioning fixed flange 3 and the front positioning fixed flange 4 simultaneously enable the rear positioning cylinder 19 mechanism to be in an upper working position; then the left positioning movable rib 17 extends out through the left positioning cylinder 16 to realize the left clamping and positioning functions of the backlight product 10; the rear positioning movable rib 18 retracts through the rear positioning cylinder 19 to realize the rear clamping and positioning functions of the backlight product. After the four sides of the backlight product 10 are positioned, the positioning cylinders of the backlight four-side mechanical positioning mechanism sequentially return to the original initial state in a reverse order, and the four-station turntable 9 rotates to perform the next cycle of operation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a special positioner of liquid crystal module kludge which characterized in that, the device includes:
the turntable mechanism is provided with a turntable power motor, a power output shaft of the turntable power motor is connected with an input shaft of a turntable power transmission speed reducer, an output shaft of the turntable power transmission speed reducer is connected with an input shaft of a 90-degree operation cam divider, the 90-degree operation cam divider is installed on a turntable mechanism installation base, a four-station turntable is installed on an output shaft of the 90-degree operation cam divider, four stations are uniformly distributed on the four-station turntable, and a negative pressure workbench is arranged on each station; the four stations are respectively a backlight feeding positioning station, a backlight film tearing station, a backlight positioning and laminating station and a blanking station; and
the air supply air circuit is provided with an upper frame, a slip ring mounting seat is arranged on the upper frame, an air circuit separating rotating slip ring is arranged on the lower end face of the slip ring mounting seat, the axis of the air circuit separating rotating slip ring is overlapped with the axis of the four-station turntable, and the air circuit separating rotating slip ring provides negative pressure for each negative pressure workbench; and
the backlight four-side mechanical positioning mechanism is provided with a lower rack, a lower positioning mechanism mounting seat is mounted on the lower rack, a lower positioning cylinder is mounted on the lower positioning mechanism mounting seat, a right positioning fixed flange is mounted on the lower positioning cylinder, a front positioning fixed flange is mounted on the right side of the right positioning fixed flange, a square notch is formed in the front positioning fixed flange, a rear positioning cylinder is mounted on the upper portion of the right positioning fixed flange, a rear positioning movable flange is mounted on the rear positioning cylinder, and a row of pressing wheels are mounted on the rear positioning movable flange; the lower end surface of the left positioning cylinder mounting seat is provided with a left positioning cylinder, the left positioning cylinder is provided with a left positioning movable flange, and the left positioning movable flange is provided with a row of pressing wheels;
after the product adsorbs on the negative pressure workstation in a poor light, the lower location cylinder that is located the quadruplex position carousel below rises, can provide two fixed limits of product location in a poor light like this: the right positioning fixed flange and the front positioning fixed flange are used for positioning the rear positioning cylinder mechanism at an upper working position; then the left positioning movable flange extends out through the left positioning cylinder to realize the left clamping and positioning function of the backlight product; the rear positioning movable flange retracts through the rear positioning cylinder to realize the rear clamping and positioning functions of the backlight product; after the four sides of the backlight product are positioned, the positioning cylinders of the backlight four-side mechanical positioning mechanism sequentially return to the original initial state in a reverse order, and the four-station turntable rotates to perform the operation of the next cycle.
2. The positioning device special for a liquid crystal module assembling machine according to claim 1, wherein the upper end surface of said right positioning fixing rib and the upper end surface of said front positioning fixing rib are at the same level.
3. The positioning device special for the liquid crystal module assembling machine according to claim 1, wherein when the lower positioning cylinder is in an initial state, the upper end surface of the right positioning fixing rib is lower than the lower end surface of the four-station turntable.
4. The positioning device special for the liquid crystal module assembling machine according to claim 3, wherein when the backlight product reaches the backlight loading positioning station, the lower positioning cylinder rises, the right positioning fixed rib and the front positioning fixed rib respectively limit the right side and the front side of the backlight product, then the left positioning cylinder extends out, the pressing wheel installed on the left positioning movable rib limits the left side of the backlight product, and the rear positioning cylinder extends out of the pressing wheel installed on the rear positioning movable rib to limit the rear side of the backlight product.
5. The special positioning device for the liquid crystal module assembling machine according to claim 1, wherein a lightening hole is formed on the four-station turntable.
CN202110548791.1A 2021-05-20 2021-05-20 Special positioner of liquid crystal module kludge Active CN113311604B (en)

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CN202110548791.1A CN113311604B (en) 2021-05-20 2021-05-20 Special positioner of liquid crystal module kludge

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Application Number Priority Date Filing Date Title
CN202110548791.1A CN113311604B (en) 2021-05-20 2021-05-20 Special positioner of liquid crystal module kludge

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CN113311604B true CN113311604B (en) 2022-06-07

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205890146U (en) * 2016-07-21 2017-01-18 湖南安冠智能科技有限公司 Device of automatic accurate positioning of panel material and rotatory transport
CN210365626U (en) * 2019-07-03 2020-04-21 东莞京川精密机械设备有限公司 Rotary disc mechanism
CN210720666U (en) * 2018-12-28 2020-06-09 苏州思达通自动化科技有限公司 Battery explosion-proof piece equipment and electrical property test integrated device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210476083U (en) * 2019-08-09 2020-05-08 昆山江润电子有限公司 Multi-station clamping mechanism
CN110716332A (en) * 2019-11-14 2020-01-21 江苏聚泰科技有限公司 3LCM backlight sticking film machine subassembly
CN211263910U (en) * 2019-12-25 2020-08-14 苏州博古特智造有限公司 Positioning carrier
CN112397760A (en) * 2020-11-21 2021-02-23 东莞市钜升智能机械有限公司 Aluminum-shell battery cover plate assembling all-in-one machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205890146U (en) * 2016-07-21 2017-01-18 湖南安冠智能科技有限公司 Device of automatic accurate positioning of panel material and rotatory transport
CN210720666U (en) * 2018-12-28 2020-06-09 苏州思达通自动化科技有限公司 Battery explosion-proof piece equipment and electrical property test integrated device
CN210365626U (en) * 2019-07-03 2020-04-21 东莞京川精密机械设备有限公司 Rotary disc mechanism

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