CN107367857B - Aligning device - Google Patents
Aligning device Download PDFInfo
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- CN107367857B CN107367857B CN201710571706.7A CN201710571706A CN107367857B CN 107367857 B CN107367857 B CN 107367857B CN 201710571706 A CN201710571706 A CN 201710571706A CN 107367857 B CN107367857 B CN 107367857B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The invention provides an alignment device, comprising: the positioning device comprises a motor, a screw rod connected with the motor, a first moving piece and a second moving piece which are arranged on the screw rod and can move along the length direction of the screw rod, and a first alignment part and a second alignment part which are respectively fixed above the first moving piece and the second moving piece; the first aligning part and the second aligning part are respectively provided with a first spring and a second spring, so that the contact between the first aligning part and the substrate to be aligned and the contact between the second aligning part and the substrate to be aligned are changed into elastic contact, and therefore, the first spring and the second spring can effectively buffer the acting force between the substrate and the first aligning part and the acting force between the substrate and the second aligning part, the substrate cannot be clamped and broken, and the production yield is improved. In addition, the aligning device has simple structure, easy processing and manufacturing and easy operation.
Description
Technical Field
The invention relates to the technical field of display, in particular to an aligning device.
Background
With the development of Display technology, flat panel Display devices such as liquid Crystal displays (L liquid Crystal displays, L CDs) have advantages such as high image quality, power saving, thin body, and wide application range, and thus are widely used in various consumer electronics products such as mobile phones, televisions, personal digital assistants, digital cameras, notebook computers, and desktop computers, and are becoming the mainstream of Display devices.
Most of the existing liquid crystal display devices in the market are Backlight liquid crystal displays (lcds), which include a liquid crystal display panel and a Backlight Module (Backlight Module). The liquid crystal display panel has the working principle that liquid crystal molecules are placed in two parallel glass substrates, a plurality of vertical and horizontal fine wires are arranged between the two glass substrates, and the liquid crystal molecules are controlled to change directions by electrifying or not, so that light rays of the backlight module are refracted out to generate pictures.
Generally, a liquid Crystal display panel comprises a Color Film (CF) substrate, a Thin Film Transistor (TFT) substrate, liquid Crystal (L C, L liquid Crystal) sandwiched between the Color film substrate and the Thin film transistor substrate, and a Sealant frame (Sealant), and the forming process generally comprises a front Array process (film, yellow light, etching, and stripping), a middle Cell process (TFT substrate and CF substrate bonding), and a rear module assembly process (driving IC and printed circuit board bonding), wherein the front Array process mainly forms the TFT substrate to control the movement of liquid Crystal molecules, the middle Cell process mainly adds liquid Crystal between the TFT substrate and the CF substrate, and the rear module assembly process mainly drives the integration of IC bonding and printed circuit board to drive the liquid Crystal molecules to rotate, thereby displaying images.
At present, in a manufacturing process of a liquid crystal display panel, a large number of processing processes of substrates such as an array substrate, a color film substrate and the like are involved, such as a photolithography process, a film pasting process, performance detection and the like. In the alignment process, the substrate is placed in the process chamber, and the substrate which is possibly deflected is pushed to the middle from two sides by the alignment device and is moved to an accurate position.
As shown in fig. 1 to 3, a conventional alignment apparatus includes: the positioning device comprises a motor 100, a screw 200 connected with the motor 100, a first moving part 310 and a second moving part 320 which are arranged on the screw 200 and can move along the length direction of the screw, and a first alignment part 500 and a second alignment part 600 which are respectively fixed above the first moving part 310 and the second moving part 320;
the first positioning member 500 includes a first carrier 540 fixed to the first moving member 310, and a plurality of first positioning posts 550 fixed to the first carrier 540; the second positioning member 600 includes a second carrier 640 fixed on the second moving member 320, and a plurality of second positioning posts 650 fixed on the second carrier 640;
the first positioning posts 550 and the second positioning posts 650 are respectively arranged on the first carrier 540 and the second carrier 640 in sequence along a direction perpendicular to the screw 200.
In the alignment process, the substrate 400 is firstly transported and placed between the first alignment part 500 and the second alignment part 600, then the motor 100 is started, the motor 100 drives the screw 200 to rotate, the first moving part 310 and the second moving part 320 move relatively on the screw 200, the first alignment part 500 and the second alignment part 600 are driven to move relatively on the screw 200, the first positioning posts 550 on the first alignment part 500 and the second positioning posts 650 on the second alignment part 600 respectively push the substrate 400 from two sides of the substrate 400 to a set position, and thus, the alignment operation is completed.
However, in the alignment apparatus, since the first alignment part 500 and the second alignment part 600 are in rigid contact with the substrate 400 during use, when a parameter setting error occurs, which causes an excessively small setting of the distance parameter between the first alignment part 500 and the second alignment part 600, the substrate 400 is easily damaged, and especially, the substrate 400 aligned in the display field is usually a glass substrate, and is easily broken when an external force is applied, which brings a great loss to production.
Disclosure of Invention
The invention aims to provide an alignment device, which can effectively improve the production yield without breaking a substrate in the alignment process of the substrate.
To achieve the above object, the present invention provides an aligning apparatus, including: the positioning device comprises a motor, a screw rod connected with the motor, a first moving piece and a second moving piece which are arranged on the screw rod and can move along the length direction of the screw rod, and a first alignment part and a second alignment part which are respectively fixed above the first moving piece and the second moving piece;
the first positioning part comprises a first bearing table fixed on the first moving part, a first sliding rail fixed on the first bearing table, a first sliding block arranged on the first sliding rail, a first carrier fixed on the first sliding block, a plurality of first positioning columns fixed on the first carrier, a first upright fixed on the first bearing table, and a first spring fixed between the first sliding block and the first upright;
the second aligning part comprises a second bearing table fixed on the second moving part, a second sliding rail fixed on the second bearing table, a second sliding block arranged on the second sliding rail, a second carrier fixed on the second sliding block, a plurality of second positioning columns fixed on the second carrier, a second upright fixed on the second bearing table, and a second spring fixed between the second sliding block and the second upright;
the first positioning columns and the second positioning columns are respectively arranged on the first carrier and the second carrier in sequence along the direction vertical to the screw rod.
The first upright post and the first spring are positioned on one side of the first sliding block, which is far away from the second sliding block, and the second upright post and the second spring are positioned on one side of the second sliding block, which is far away from the first sliding block.
The first upright post and the first spring are positioned on one side of the first sliding block close to the second sliding block, and the second upright post and the second spring are positioned on one side of the second sliding block close to the first sliding block.
The screw rod is provided with a first thread part positioned on one side of the first contraposition part and a second thread part positioned on one side of the second contraposition part, the thread directions of the first thread part and the second thread part are opposite, the first moving part is provided with an internal thread matched with the first thread part, and the second moving part is provided with an internal thread matched with the second thread part.
When the screw rod rotates, the first moving piece and the second moving piece move on the screw rod at the same speed.
The motor is a servo motor.
The first carrier and the second carrier are both straight strips, and the length directions of the first carrier and the second carrier are both perpendicular to the length direction of the screw.
The first positioning column and the second positioning column are rigid rod bodies.
The number of the first positioning columns and the number of the second positioning columns are four.
The alignment device further comprises a first force sensor connected with the first spring, a second force sensor connected with the second spring, a controller respectively connected to the first force sensor and the second force sensor, and an alarm connected with the controller.
The invention has the beneficial effects that: according to the alignment device provided by the invention, the first spring and the second spring are respectively arranged in the first alignment part and the second alignment part, so that the contact between the first alignment part and the substrate to be aligned and the contact between the second alignment part and the substrate to be aligned are changed into elastic contact, and therefore, the first spring and the second spring can effectively buffer the acting force between the substrate and the first alignment part and the second alignment part, the substrate cannot be broken, and the production yield is improved. In addition, the aligning device has simple structure, easy processing and manufacturing and easy operation.
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
In the drawings, there is shown in the drawings,
FIG. 1 is a schematic top view of a conventional alignment apparatus;
FIG. 2 is a schematic view illustrating the alignment device of FIG. 1 aligning a substrate;
FIG. 3 is a front view of a conventional alignment apparatus;
FIG. 4 is a schematic top view of a first embodiment of an alignment device of the present invention;
FIG. 5 is a schematic view illustrating a substrate being aligned by the alignment apparatus according to the first embodiment of the present invention;
FIG. 6 is a front view of a first embodiment of the aligning device of the present invention;
FIG. 7 is a schematic top view of a second embodiment of the aligning device of the present invention;
FIG. 8 is a diagram illustrating a second embodiment of an aligning apparatus for aligning a substrate according to the present invention;
fig. 9 is a front view of a second embodiment of the aligning device of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
As shown in fig. 4 to 6, a first embodiment of the aligning apparatus of the present invention includes: the positioning device comprises a motor 10, a screw rod 20 connected with the motor 10, a first moving part 31 and a second moving part 32 which are arranged on the screw rod 20 and can move along the length direction of the screw rod, and a first alignment part 50 and a second alignment part 60 which are respectively fixed above the first moving part 31 and the second moving part 32;
the first alignment component 50 includes a first bearing table 51 fixed on the first moving member 31, a first slide rail 52 fixed on the first bearing table 51, a first slide block 53 disposed on the first slide rail 52, a first carrier 54 fixed on the first slide block 53, a plurality of first positioning posts 55 fixed on the first carrier 54, a first upright post 56 fixed on the first bearing table 51, and a first spring 57 fixed between the first slide block 53 and the first upright post 56;
the second aligning member 60 includes a second bearing table 61 fixed on the second moving member 32, a second slide rail 62 fixed on the second bearing table 61, a second slide block 63 disposed on the second slide rail 62, a second carrier 64 fixed on the second slide block 63, a plurality of second positioning posts 65 fixed on the second carrier 64, a second column 66 fixed on the second bearing table 61, and a second spring 67 fixed between the second slide block 63 and the second column 66;
the first positioning posts 55 and the second positioning posts 65 are respectively arranged on the first carrier 54 and the second carrier 64 in sequence along a direction perpendicular to the screw 20.
In the alignment process, the substrate 40 is firstly transported and placed between the first alignment part 50 and the second alignment part 60, then the motor 10 is started, the motor 10 drives the screw 20 to rotate, the first moving part 31 and the second moving part 32 move relatively on the screw 20, the first alignment part 50 and the second alignment part 60 are driven to move relatively on the screw 20, the first positioning posts 55 on the first alignment part 50 and the second positioning posts 65 on the second alignment part 60 respectively push the substrate 40 from two sides of the substrate 40 to a set position, and thus, the alignment operation is completed.
In the alignment process, since the first spring 57 is disposed between the first slider 53 and the first column 56, and the second spring 67 is disposed between the second slider 63 and the second column 66, the contact between the first positioning column 55 and the second positioning column 65 and the substrate 40 is changed into elastic contact, so that when a parameter setting error occurs and the distance parameter between the first positioning member 50 and the second positioning member 60 is set too small, the first spring 57 and the second spring 67 can effectively buffer the acting force between the substrate 40 and the first positioning column 55 and the second positioning column 65, and thus the substrate 40 is not pinched.
Specifically, in the first embodiment of the alignment device of the present invention, the first upright 56 and the first spring 57 are located on a side of the first slider 53 away from the second slider 63, and the second upright 66 and the second spring 67 are located on a side of the second slider 63 away from the first slider 53; thus, when the distance between the first positioning column 55 and the second positioning column 65 is smaller than the width of the substrate 40 during the alignment process, the first positioning column 55 and the second positioning column 65 respectively receive the acting force from the substrate 40, and further respectively drive the first slider 53 and the second slider 63 to be away from the substrate 40, so as to prevent the substrate 40 from being pinched, and at this time, the first spring 57 and the second spring 67 are respectively compressed and are in a compressed state.
Specifically, the screw 20 is provided with a first thread portion 21 located on one side of the first aligning member 50 and a second thread portion 22 located on one side of the second aligning member 60, the thread directions of the first thread portion 21 and the second thread portion 22 are opposite, the first moving member 31 has an internal thread matching with the first thread portion 21, and the second moving member 32 has an internal thread matching with the second thread portion 22, so that when the screw 20 rotates during the aligning process, the first moving member 31 and the second moving member 32 can move in opposite directions to gradually approach the substrate 40 from both sides, respectively, and after the aligning process, the screw 20 rotates in an opposite direction, and the first moving member 31 and the second moving member 32 move in opposite directions to gradually get away from the substrate 40.
Specifically, when the screw 20 rotates, the first moving member 31 and the second moving member 32 move on the screw 20 at the same speed.
During the alignment of the substrate 40, the rotation speed of the screw 20 can be controlled by adjusting the parameters of the motor 10, so as to control the moving speed of the first moving member 31 and the second moving member 32 on the screw 20.
Preferably, the motor 10 is a servo motor.
Specifically, the first carrier 54 and the second carrier 64 are both straight strips, and the length directions of the first carrier 54 and the second carrier 64 are both perpendicular to the length direction of the screw 20.
Specifically, the first positioning column 55 and the second positioning column 65 are rigid rods.
As shown in fig. 4 and 5, the number of the first positioning posts 55 and the number of the second positioning posts 65 are preferably four.
Specifically, the alignment device further includes a first force sensor 71 connected to the first spring 57, a second force sensor 72 connected to the second spring 67, a controller 80 connected to the first force sensor 71 and the second force sensor 72, respectively, and an alarm 90 connected to the controller 80. The first force sensor 71 and the second force sensor 72 respectively sense the acting forces borne by the first spring 57 and the second spring 67, and transmit the values to the controller 80, and when the acting forces borne by the first spring 57 and the second spring 67 reach a certain value, the controller 80 controls the alarm 90 to send an alarm signal to remind a worker to stop the operation of the alignment device, and check whether the distance parameter between the first alignment part 50 and the second alignment part 60 arranged in the alignment device is too small.
As shown in fig. 7 to 9, a second embodiment of the aligning apparatus of the present invention is different from the first embodiment in that, in the second embodiment, the first column 56 and the first spring 57 are located on a side of the first slider 53 close to the second slider 63, and the second column 66 and the second spring 67 are located on a side of the second slider 63 close to the first slider 53; thus, when the distance between the first positioning column 55 and the second positioning column 65 is smaller than the width of the substrate 40 during the alignment process, the first positioning column 55 and the second positioning column 65 respectively receive the acting force from the substrate 40, so as to respectively drive the first slider 53 and the second slider 63 to be away from the substrate 40, thereby preventing the substrate 40 from being pinched, and at this time, the first spring 57 and the second spring 67 are respectively stretched and are in an extended state.
In summary, the present invention provides an alignment apparatus, including: the positioning device comprises a motor, a screw rod connected with the motor, a first moving piece and a second moving piece which are arranged on the screw rod and can move along the length direction of the screw rod, and a first alignment part and a second alignment part which are respectively fixed above the first moving piece and the second moving piece; the first aligning part and the second aligning part are respectively provided with a first spring and a second spring, so that the contact between the first aligning part and the substrate to be aligned and the contact between the second aligning part and the substrate to be aligned are changed into elastic contact, and therefore, the first spring and the second spring can effectively buffer the acting force between the substrate and the first aligning part and the acting force between the substrate and the second aligning part, the substrate cannot be clamped and broken, and the production yield is improved. In addition, the aligning device has simple structure, easy processing and manufacturing and easy operation.
As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications are intended to fall within the scope of the appended claims.
Claims (9)
1. An alignment device, comprising: the device comprises a motor (10), a screw (20) connected with the motor (10), a first moving part (31) and a second moving part (32) which are arranged on the screw (20) and can move along the length direction of the screw, and a first alignment part (50) and a second alignment part (60) which are respectively fixed above the first moving part (31) and the second moving part (32);
the first alignment part (50) comprises a first bearing table (51) fixed on the first moving part (31), a first slide rail (52) fixed on the first bearing table (51), a first slide block (53) arranged on the first slide rail (52), a first carrier (54) fixed on the first slide block (53), a plurality of first positioning columns (55) fixed on the first carrier (54), a first upright column (56) fixed on the first bearing table (51), and a first spring (57) fixed between the first slide block (53) and the first upright column (56);
the second alignment part (60) comprises a second bearing table (61) fixed on the second moving part (32), a second slide rail (62) fixed on the second bearing table (61), a second slide block (63) arranged on the second slide rail (62), a second carrier (64) fixed on the second slide block (63), a plurality of second positioning columns (65) fixed on the second carrier (64), a second upright column (66) fixed on the second bearing table (61), and a second spring (67) fixed between the second slide block (63) and the second upright column (66);
the first positioning columns (55) and the second positioning columns (65) are respectively arranged on the first carrier (54) and the second carrier (64) in sequence along the direction vertical to the screw rod (20);
the first carrier (54) and the second carrier (64) are straight strips, and the length directions of the first carrier (54) and the second carrier (64) are perpendicular to the length direction of the screw (20).
2. The aligning apparatus according to claim 1, wherein the first upright (56) and the first spring (57) are located on a side of the first slider (53) away from the second slider (63), and the second upright (66) and the second spring (67) are located on a side of the second slider (63) away from the first slider (53).
3. The aligning apparatus according to claim 1, wherein the first upright (56) and the first spring (57) are located on a side of the first slider (53) adjacent to the second slider (63), and the second upright (66) and the second spring (67) are located on a side of the second slider (63) adjacent to the first slider (53).
4. The aligning apparatus according to claim 1, wherein the screw rod (20) is provided with a first thread portion (21) on a side of the first aligning member (50) and a second thread portion (22) on a side of the second aligning member (60), the first thread portion (21) and the second thread portion (22) have opposite thread directions, the first moving member (31) has an internal thread engaged with the first thread portion (21), and the second moving member (32) has an internal thread engaged with the second thread portion (22).
5. The aligning apparatus according to claim 1, wherein said first moving member (31) and said second moving member (32) move on said screw (20) at the same speed when said screw (20) rotates.
6. The aligning apparatus of claim 1 wherein said motor (10) is a servo motor.
7. The alignment device as claimed in claim 1, wherein the first positioning post (55) and the second positioning post (65) are rigid rods.
8. The aligning apparatus according to claim 1, wherein the number of the first positioning posts (55) and the second positioning posts (65) is four.
9. The aligning apparatus of claim 1, further comprising a first force sensor (71) connected to the first spring (57), a second force sensor (72) connected to the second spring (67), a controller (80) connected to the first force sensor (71) and the second force sensor (72), respectively, and an alarm (90) connected to the controller (80).
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| CN201710571706.7A CN107367857B (en) | 2017-07-13 | 2017-07-13 | Aligning device |
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| CN201710571706.7A CN107367857B (en) | 2017-07-13 | 2017-07-13 | Aligning device |
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| CN107367857B true CN107367857B (en) | 2020-07-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108134492A (en) * | 2018-01-30 | 2018-06-08 | 三集团有限公司北京分公司 | For the molding machine and winding assembly of winding |
| CN109230404A (en) * | 2018-10-20 | 2019-01-18 | 安徽工程大学 | A kind of automatic contraposition device and its working method |
| CN114675438B (en) * | 2022-03-29 | 2024-04-26 | 东莞市优米佳自动化设备有限公司 | Vision alignment rigging machine |
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| JPH08113284A (en) * | 1994-10-14 | 1996-05-07 | Metsukusu:Kk | Device for positioning and holding sheet work |
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