CN109254427B - Lamp box turnover mechanism - Google Patents
Lamp box turnover mechanism Download PDFInfo
- Publication number
- CN109254427B CN109254427B CN201811195915.7A CN201811195915A CN109254427B CN 109254427 B CN109254427 B CN 109254427B CN 201811195915 A CN201811195915 A CN 201811195915A CN 109254427 B CN109254427 B CN 109254427B
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- Prior art keywords
- driving
- lamp box
- plate
- rotating
- driven
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000007306 turnover Effects 0.000 title claims abstract description 25
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention relates to a lamp box turnover mechanism, which is characterized in that a fixing plate is driven by a driving device to move along a sliding rail, a driving rotary rod and a driven rotary rod are driven by a connecting rod to rotate together, and the size of a drivable lamp box is enlarged by the driving rotary rod, the driven rotary rod and a lamp box, so that the lamp box driven by the lamp box turnover mechanism can be suitable for a large-size liquid crystal panel.
Description
Technical Field
The invention relates to a lamp box overturning mechanism, and belongs to the technical field of display panel detection equipment.
Background
In recent years, liquid crystal displays and liquid crystal televisions have been rapidly popularized, and consumers have made higher demands on the size and quality of liquid crystal panels, which have been required to perform related detection during the production process of large-sized liquid crystal panels, so as to ensure the quality of outgoing products. The liquid crystal panel is positioned at different angles and has different picture effects, so that the liquid crystal panel needs to be overturned for a certain angle to comprehensively detect pictures. With the current large-sized liquid crystal panels, a lamp box for detecting a larger liquid crystal panel is becoming larger and larger.
The existing turnover mechanism is complex in structure, and when the lamp box mechanism is pushed to turn over, the transmission efficiency is low, so that the existing turnover mechanism is difficult to drive a large-size lamp box to turn over.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the technical problems, the lamp box overturning mechanism which can adapt to a large-size lamp box and has the advantages of simple driving structure and high driving efficiency is provided.
The technical scheme adopted for solving the technical problems is as follows:
the invention provides a lamp box turnover mechanism, comprising:
a fixing plate;
two parallel sliding rails arranged on the fixed plate;
the bottom of the driving plate is provided with sliding blocks respectively arranged on the two sliding rails;
the driving device is arranged on the fixed plate and used for driving the driving plate to move along the sliding rail;
one ends of the two connecting rods are respectively and rotatably arranged at two sides of the driving plate;
the middle parts of the two driving rotating rods are respectively connected with the other end of the connecting rod in a rotating way;
the two driven rotating rods are respectively adjacent to the driving rotating rods positioned on the same side of the driving plate and are in linkage arrangement with the driving rotating rods;
the rotating shaft is fixedly connected with the driving rotating rod and the driven rotating rod which are adjacent to each other;
the bearing pedestal is arranged on the fixed plate and used for fixing the rotating shaft.
Preferably, in the lamp box turnover mechanism, the fixed plate is provided with the limit switch, the driving plate is provided with the trigger piece, and the driving device is stopped when the limit switch senses the trigger piece.
Preferably, in the lamp box turnover mechanism of the invention, a fixing groove is arranged on the fixing plate in a direction parallel to the sliding rail, and the limit switch is arranged on the fixing groove.
Preferably, in the lamp box overturning mechanism, two limiting pieces are arranged on the fixed plate in the moving direction of the driving plate, and a limiting plate arranged between the two limiting pieces is arranged at the bottom of the driving plate.
Preferably, the rotating shaft of the lamp box turnover mechanism comprises a rod body and fixing rings positioned on two sides of the rod body.
Preferably, the driving device of the lamp box turnover mechanism is a servo motor or an air cylinder.
Preferably, in the lamp box turnover mechanism of the present invention, the driving rotating rod includes a first trapezoid part and a first rectangular part connected in a conjoined manner, and the first trapezoid part is provided with a connecting hole for rotationally connecting the other end of the connecting rod.
Preferably, in the lamp box turnover mechanism of the present invention, the driven rotating rod includes a second trapezoid part and a second rectangle part which are integrally connected; the end of the first trapezoid part is provided with a first shaft hole, the end of the second trapezoid part is provided with a second shaft hole, and the first shaft hole and the second shaft hole are respectively connected with two ends of the rotating shaft.
Preferably, in the lamp box turnover mechanism of the present invention, the rotation angle of the driving rotation rod and the driven rotation rod ranges from 0 ° to 90 °.
The beneficial effects of the invention are as follows: according to the lamp box turnover mechanism, the driving device drives the fixed plate to move along the sliding rail, the driving rotary rod and the driven rotary rod are driven to rotate together through the connecting rod, and the size of the drivable lamp box is enlarged through the driving rotary rod, the driven rotary rod and the installation lamp box, so that the lamp box driven by the lamp box turnover mechanism can be suitable for large-size liquid crystal panels.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of a lamp box turnover mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of a lamp box turnover mechanism according to an embodiment of the present invention with a drive plate removed;
FIG. 3 is a schematic structural view of a limiting structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of an embodiment of an active rotary lever;
fig. 5 is a schematic structural view of a driven rotary lever according to an embodiment of the present invention;
FIG. 6 is a schematic view of a spindle according to an embodiment of the present invention;
fig. 7 is a schematic view of the lamp box turnover mechanism according to the embodiment of the present invention when the driving rotary rod and the driven rotary rod are rotated to 0 °.
The reference numerals in the figures are:
1. the device comprises a fixed plate, a fixed groove, a limit switch, a trigger piece, a sliding rail, a driving plate, a limit piece, a driving device, a screw rod, a 42, a 5 connecting rod, a 6 driving rotary rod, a 61 first trapezoid part, a 62 first rectangular part, a 63 connecting hole, a 64 first shaft hole, a 7 driven rotary rod, a 71 second trapezoid part, a 72 second rectangular part, a 73 second shaft hole, a 8 rotary shaft, a 81 rod body, a 82 fixing ring and a 9 bearing seat.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides a light box turning mechanism, including: a fixing plate 1; two parallel slide rails 2 arranged on the fixed plate 1; the bottom of the driving plate 3 is provided with sliding blocks respectively arranged on the two sliding rails 2; the driving device 4 is arranged on the fixed plate 1, the driving plate 3 is driven to move along the sliding rail 2 through the screw rod 41, the screw rod 41 is connected with the driving plate 3 through a coupler 42, the driving device 4 can be a servo motor or an air cylinder, preferably a servo motor, and is connected with the air cylinder through the coupler, the driving device 4 transmits torque to the screw rod 41, and the ball screw transmission pair converts the rotary motion of the motor into linear motion so as to drive the linear motion of the driving plate 3;
the two connecting rods 5, one ends of the two connecting rods 5 are respectively and rotatably arranged at two sides of the driving plate 3;
the middle parts of the two driving rotary rods 6 are respectively and rotatably connected with the other ends of the connecting rods 5;
the two driven rotating rods 7 are respectively adjacent to the driving rotating rods 6 positioned on the same side of the driving plate 3 and are in linkage arrangement with the driving rotating rods 6; the number of driven rotating rods 7 may be 2, 3 or more; the rotation angle of the driving rotation lever 6 and the driven rotation lever 7 ranges from 0 ° to 90 °, i.e., the front ends of the driving rotation lever 6 and the driven rotation lever 7 are movable between the horizontal direction and the vertical direction.
A rotating shaft 8 fixedly connecting the driving rotating rod 6 and the driven rotating rod 7 which are adjacent to each other, wherein the driving rotating rod 6 and the driven rotating rod 7 rotate around the rotating shaft 8;
the bearing seat 9 is arranged on the fixed plate 1 and is used for fixing the rotating shaft 8;
in one embodiment, the rotating shaft 8 includes a rod 81 and fixing rings 82 located at two sides of the rod 81.
The driving rotary rod 6 and the driven rotary rod 7 are used for installing the lamp box.
The driving rotary lever 6 includes a first trapezoid part 61 and a first rectangular part 62 connected integrally, and the first trapezoid part 61 is provided with a connection hole 63 for rotatably connecting the other end of the link 5.
The driven rotating lever 7 includes a second trapezoidal portion 71 and a second rectangular portion 72 integrally connected; the end of the first trapezoid part 61 is provided with a first shaft hole 64, the end of the second trapezoid part 71 is provided with a second shaft hole 73, and the first shaft hole 64 and the second shaft hole 73 are respectively connected with two ends of the rotating shaft 8.
In one embodiment, the fixed plate 1 is provided with two limit switches 12, the limit switches 12 are divided into two groups corresponding to the two slide rails 2, each group of limit switches 12 is provided with a front part and a rear part, the driving plate 3 is also provided with a trigger piece 13, and the driving device 4 is stopped when the limit switches 12 sense the trigger piece 13; the rotation angles of the driving rotary rod 6 and the driven rotary rod 7 are controlled through the limit switch 12 so as to achieve the overturning effect of the lamp boxes on the driving rotary rod 6 and the driven rotary rod 7, and therefore the liquid crystal display on the lamp boxes can be observed from different directions.
In an embodiment, the fixing plate 1 is provided with a fixing groove 11 in a direction parallel to the sliding rail 2, the limit switch 12 is fixed on the fixing groove 11 by a screw, and the limit switch 12 can be installed along the fixing groove 11, so that the setting position of the limit switch 12 can be conveniently adjusted.
In an embodiment, two limiting members 32 are disposed on the fixing plate 1 in the moving direction of the driving plate 3, a limiting plate 31 (for conveniently displaying the driving plate 3 in fig. 2 is hidden) disposed at the bottom of the driving plate 3 and located on the two limiting members 32, the position of the limiting plate 31 is limited by the limiting members 32, so as to prevent the fixing plate 1 from moving excessively, and when the fixing plate 1 moves excessively, the limiting plate 31 will strike the limiting members 32, thereby stopping the fixing plate 1.
In one embodiment, the rotation angle of the driving rotation lever 6 and the driven rotation lever 7 ranges from 0 ° to 90 °, i.e., the flip angle of the flip mechanism ranges from 0 ° to 90 °, preferably from 0 ° (the state shown in fig. 7) to 85 ° (the state shown in fig. 1). In summary, according to the lamp box turnover mechanism disclosed by the invention, the driving device 4 drives the fixed plate 1 to move along the sliding rail 2, the driving rotary rod 6 and the driven rotary rod 7 are driven to rotate together through the connecting rod 5, and the size of the drivable lamp box is enlarged through the driving rotary rod 6 and the driven rotary rod 7 and the installation of the lamp box, so that the lamp box driven by the lamp box turnover mechanism can be suitable for a large-size liquid crystal panel.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A lamp house tilting mechanism, characterized in that includes:
a fixed plate (1);
two parallel sliding rails (2) arranged on the fixed plate (1);
the bottom of the driving plate (3) is provided with sliding blocks respectively arranged on the two sliding rails (2);
the driving device (4) is arranged on the fixed plate (1) and used for driving the driving plate (3) to move along the sliding rail (2);
one end of the two connecting rods (5) is respectively and rotatably arranged at two sides of the driving plate (3);
the middle parts of the two driving rotating rods (6) are respectively connected with the other ends of the connecting rods (5) in a rotating way;
the two driven rotating rods (7) are respectively adjacent to the driving rotating rods (6) positioned on the same side of the driving plate (3) and are in linkage arrangement with the driving rotating rods (6);
a rotating shaft (8) fixedly connected with the driving rotating rod (6) and the driven rotating rod (7) which are adjacent to each other;
the bearing seat (9) is arranged on the fixed plate (1) and is used for fixing the rotating shaft (8);
a limit switch (12) is arranged on the fixed plate (1), a trigger piece (13) is arranged on the driving plate (3), and the driving device (4) is stopped when the limit switch (12) senses the trigger piece (13);
a fixed groove (11) is formed in the fixed plate (1) in the direction parallel to the sliding rail (2), and the limit switch (12) is arranged on the fixed groove (11);
two limiting pieces (32) are arranged on the fixed plate (1) in the movement direction of the driving plate (3), and a limiting plate (31) arranged between the two limiting pieces (32) is arranged at the bottom of the driving plate (3).
2. Lamp box turnover mechanism according to claim 1, characterized in that the rotating shaft (8) comprises a rod body (81) and fixing rings (82) located at both sides of the rod body (81).
3. A light box tilting mechanism according to claim 1, characterized in that the driving means (4) are a servo motor or a cylinder.
4. Lamp box tilting mechanism according to claim 1, characterized in that the active rotating lever (6) comprises a first trapezoid part (61) and a first rectangular part (62) connected in a conjoined way, and that the first trapezoid part (61) is provided with a connecting hole (63) for rotating the other end of the connecting rod (5).
5. The lamp box turnover mechanism according to claim 4, wherein the driven rotating rod (7) comprises a second trapezoid part (71) and a second rectangle part (72) which are integrally connected; the tail end of the first trapezoid part (61) is provided with a first shaft hole (64), the tail end of the second trapezoid part (71) is provided with a second shaft hole (73), and the first shaft hole (64) and the second shaft hole (73) are respectively connected with two ends of the rotating shaft (8).
6. Lamp box tilting mechanism according to claim 1, characterized in that the rotation angle of the driving rotation lever (6) and the driven rotation lever (7) ranges from 0 ° to 90 °.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018107402865 | 2018-07-07 | ||
| CN201810740286 | 2018-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109254427A CN109254427A (en) | 2019-01-22 |
| CN109254427B true CN109254427B (en) | 2024-02-09 |
Family
ID=65045115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811195915.7A Active CN109254427B (en) | 2018-07-07 | 2018-10-15 | Lamp box turnover mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109254427B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340860A (en) * | 2019-07-01 | 2019-10-18 | 苏州精濑光电有限公司 | A kind of overturning workbench |
| CN110850613B (en) * | 2020-01-15 | 2020-07-10 | 武汉精立电子技术有限公司 | Display panel angle overturning device, detection equipment and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483765A (en) * | 2014-12-29 | 2015-04-01 | 昆山精讯电子技术有限公司 | Large-size liquid crystal panel detection device |
| US9651215B1 (en) * | 2014-05-07 | 2017-05-16 | Ronald E. Britten | Lightbox with storage for interchangeable graphic panels and related assemblies, components, and methods |
| CN107908028A (en) * | 2017-12-25 | 2018-04-13 | 昆山精讯电子技术有限公司 | A kind of switching mechanism |
| CN208969375U (en) * | 2018-07-07 | 2019-06-11 | 苏州精濑光电有限公司 | A kind of lamp box turnover mechanism |
-
2018
- 2018-10-15 CN CN201811195915.7A patent/CN109254427B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9651215B1 (en) * | 2014-05-07 | 2017-05-16 | Ronald E. Britten | Lightbox with storage for interchangeable graphic panels and related assemblies, components, and methods |
| CN104483765A (en) * | 2014-12-29 | 2015-04-01 | 昆山精讯电子技术有限公司 | Large-size liquid crystal panel detection device |
| CN107908028A (en) * | 2017-12-25 | 2018-04-13 | 昆山精讯电子技术有限公司 | A kind of switching mechanism |
| CN208969375U (en) * | 2018-07-07 | 2019-06-11 | 苏州精濑光电有限公司 | A kind of lamp box turnover mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109254427A (en) | 2019-01-22 |
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