CN107179279B - A kind of three axis test tables detecting assembly line automatically for mobile phone screen - Google Patents
A kind of three axis test tables detecting assembly line automatically for mobile phone screen Download PDFInfo
- Publication number
- CN107179279B CN107179279B CN201710294276.9A CN201710294276A CN107179279B CN 107179279 B CN107179279 B CN 107179279B CN 201710294276 A CN201710294276 A CN 201710294276A CN 107179279 B CN107179279 B CN 107179279B
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- pedestal
- axis
- bearing
- part housing
- mounting bracket
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of to detect three axis test tables of assembly line for mobile phone screen automatically, including pedestal, middle part housing, housing upper cover, pitching frame, end bearing mounting bracket and end effector mounting bracket, wherein the pedestal is equipped with the shaft shoulder for bearing installation and installs the jump-ring slot of bearing snap spring, the middle part housing is mounted on pedestal upper end, it is connect by pedestal double row angular contact bearing with pedestal, the pedestal upper end is equipped with pedestal gear wheel, the pedestal gear wheel is connect with the axis of pedestal rotation stepper motor of middle part casing interior, it is rotated by axis of pedestal rotation stepper motor band moving base, axis of pedestal rotation stepper motor and pitching shaft step motor are symmetrically installed at left and right sides of the base interior central axes, the middle part housing nock is equipped with pitching frame parking leg, middle part housing upper end is equipped with pitch axis.The present invention can make actuator reach more angles and spatial attitude, and turntable can be made to reach the pitch angle of 180 degree.
Description
Technical field
The invention belongs to Mechanical Industry Technology fields, detect the three of assembly line automatically for mobile phone screen more particularly to a kind of
Axis test table.
It is specifically a kind of mobile phone screen when detecting to rotate to be arbitrarily designated angle so that further tests sets
It is standby, it is applied to mobile phone screen automatic detection assembly line.
Background technique
The quality inspection of high definition screen is essential link in mobile phone manufacturing process.Mobile phone screen manufacturer, the current country
Screen test is completed generally by artificial quality inspection, and it is to make to shield by manpower rotation that factory, which carries out detection to mobile phone screen, at present
Curtain reaches special angle, visually carrys out viewing screen with the presence or absence of qualification.Due to growing screen demand and mobile phone screen
Huge shipment amount, this detection means are no longer satisfied industrial production to LCD screen defects detection rapidity accuracy
It is required that and this having that at high cost, low efficiency, precision be low, rapid wear bad person by way of eye-observation mobile phone screen quality inspection
The disadvantages of eye, the production cost and efficiency of enterprise are seriously affected.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of detected automatically for mobile phone screen assembly line three axis survey
Mobile phone liquid crystal screen is installed in end effector mounting bracket by preliminary operation platform, manpower Rotation screen can be replaced to reach specified angle
Detection efficiency and accuracy are improved with spatial attitude so as to further progress screen energization test and image procossing.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of for the automatic detection stream of mobile phone screen
Three axis test tables of waterline, including pedestal, middle part housing, housing upper cover, pitching frame, end bearing mounting bracket and end are held
Row device mounting bracket, wherein the pedestal is equipped with the shaft shoulder for bearing installation and installs the jump-ring slot of bearing snap spring, it is described
Middle part housing is mounted on pedestal upper end, is connect by pedestal double row angular contact bearing with pedestal, and the pedestal upper end is equipped with pedestal
Gear wheel, the pedestal gear wheel connect with the axis of pedestal rotation stepper motor of middle part casing interior, are walked by axis of pedestal rotation
It is rotated into motor band moving base, axis of pedestal rotation stepper motor is symmetrically installed at left and right sides of the base interior central axes and is bowed
Shaft step motor is faced upward, middle part housing (2) rear and front end is equipped with radiating groove, and the middle part housing nock is equipped with pitching frame
Parking leg, middle part housing upper end are equipped with pitch axis, are equipped with pitch axis gear wheel, the pitch axis among the pitch axis
The output axis connection of gear wheel and pitching shaft step motor, the pitch axis upper end, middle part housing are equipped with housing upper cover, described
Pitch axis left and right ends are connect with pitching frame, and pitching frame upper end is equipped with end bearing mounting bracket, the end bearing peace
It fills the intermediate end that is equipped on the inside of pedestal upper end and rotates shaft step motor, the end rotation shaft step motor passes through yielding coupling
It is connect with end support installation axle with end effector mounting bracket, the end effector mounting bracket is pacified by end support
Dress axis and end support installation axle bearing are mounted in end effector mounting bracket.
A further technical scheme of the invention is that in jump-ring slot on the pedestal double row angular contact bearing upper end, pedestal
Equipped with double row angular contact bearing snap spring.
Further technical solution of the invention is the pedestal double row angular contact bearing lower end, pedestal and middle part housing
Double row angular contact hubcap, the axially position for pedestal double row angular contact bearing are equipped between lower end.
Further technical solution of the invention is that end cap is equipped between the double row angular contact hubcap and middle part housing
Gasket.
Further technical solution of the invention is that support plate, the axis of pedestal rotation are equipped among the middle part housing
Stepper motor output shaft passes through support plate and connect with pedestal gear wheel, and the pitching shaft step motor installs branch by stepper motor
Frame is installed on the supporting plate.
Further technical solution of the invention is at left and right sides of middle part housing upper end and housing upper cover lower part two sides
Semi-circular recesses corresponding with pitch axis are respectively equipped with, and pitch axis is mounted on the housing of middle part by pitching axle bearing, it is described
End cap gasket and end cap are equipped on the outside of pitching axle bearing, at left and right sides of middle part housing and housing upper cover.
Further technical solution of the invention is that the pitch axis left and right ends are separately mounted to the axis of pitching frame two sides
Kong Shang, and pitching frame two sides lower end is equipped with semicircular ring, the pitching frame is fixed on pitch axis by semicircular ring and sunk screw.
Further technical solution of the invention is that the pitch axis two sides and centre are respectively equipped with the gear shaft shoulder and screw
Hole, be respectively used to pitch axis be mounted on middle part housing on and pitch axis gear wheel be fixed on pitch axis.
Further technical solution of the invention is that the pitching frame is " ㄇ " shape structure, the top angle Liang Ge is respectively equipped with
Reinforcing rib, the end bearing mounting bracket are that trapezium structure, the pitching frame and end bearing mounting bracket are connected by bolt
It connects.
Further technical solution of the invention is that the end support installation axle outer layer is equipped with terminal shaft axle sleeve, institute
It states end support installation axle and bearing installation in end is mounted on by end bearing, end bearing end lid gasket and end bearing (ball) cover
On bracket, the end support installation axle is fixedly connected with end effector mounting bracket by nut.
Beneficial effect
Compared with prior art, the three axis test tables for detecting assembly line automatically provided by the present invention for mobile phone screen increase
Add an end rotary shaft, actuator can be made to reach more angles and spatial attitude；Motor is provided on housing and housing
Slot can make turntable reach the pitch angle of 180 degree；Part and structural member are all with symmetric design and installation, and dynamic balance performance is good, work
Work is stablized；42 type stepper motors and biggish tooth ratio are selected, the precision of turntable and load capacity can be made higher；By special
Structure design can make to assemble simpler quick, and modularized design can make all components all can independent dismounting and change；It is hard
Reinforcing the structure member design leaned on and housing radiating groove can be such that turntable is suitable under severe operating condition, long service life.
Detailed description of the invention
Fig. 1 is three dimensional structure diagram of the invention.
Fig. 2 is cross-sectional view of the invention.
Fig. 3 is pedestal assembly effect picture of the present invention.
Fig. 4 is casing interior structure of the present invention and assembly effect picture.
Fig. 5 is that housing of the present invention and pedestal assemble effect picture.
Fig. 6 is pitch axis assembly effect picture of the present invention.
Fig. 7 is that housing upper cover of the present invention and pitch axis assemble effect picture.
Fig. 8 is the rack-mounted method of completing the square of pitching of the present invention and assembly effect picture.
Fig. 9 is pedestal of the present invention and middle part housing installation diagram.
Figure 10 is casing structure schematic diagram in the middle part of the present invention.
Figure 11 is Figure 10 top view.
Figure 12 is pitch attitude figure of the present invention.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
As shown in figs. 1-12, a kind of three axis test detecting assembly line automatically for mobile phone screen provided by the invention turns
Platform, including pedestal 1, middle part housing 2, housing upper cover 3, pitching frame 4, end bearing mounting bracket 5 and end effector installation branch
Frame 6, wherein the pedestal 1 is equipped with the shaft shoulder for bearing installation and installs the jump-ring slot of bearing snap spring, the middle part housing 2
It is mounted on 1 upper end of pedestal, connect by pedestal double row angular contact bearing 7 with pedestal 1,1 upper end of pedestal is equipped with pedestal canine tooth
Wheel 9, the pedestal gear wheel 9 is connect with the axis of pedestal rotation stepper motor 10 inside middle part housing 2, is walked by axis of pedestal rotation
It is rotated into motor 10 with moving base 1, is symmetrically installed with axis of pedestal rotation stepper motor at left and right sides of 1 axis line inside of pedestal
10 and pitching shaft step motor 19, middle part housing (2) rear and front end is equipped with radiating groove, 2 nock of middle part housing
Equipped with pitching frame parking leg 29,2 upper end of middle part housing is equipped with pitch axis 11, is equipped with pitch axis among the pitch axis 11
Gear wheel 17, the output axis connection of the pitch axis gear wheel 17 and pitching shaft step motor 19,11 upper end of pitch axis, in
Portion's housing 2 is equipped with housing upper cover 3, and 11 left and right ends of pitch axis are connect with pitching frame 4, and 4 upper end of pitching frame is equipped with
End bearing mounting bracket 5, the intermediate end that is equipped in 5 upper end of end bearing mounting bracket inside rotate shaft step motor 16,
The end rotation shaft step motor 16 passes through yielding coupling 13 and end support installation axle 14 and end effector installation branch
Frame 6 connects, and the end effector mounting bracket 6 is installed axle bearing 15 by end support installation axle 14 and end support and installed
In end effector mounting bracket 6.
As shown in Figure 3: pedestal 1 has the shaft shoulder for bearing installation, for installing the jump-ring slot of bearing snap spring, for installing
The shaft shoulder of gear, the screw hole for fixed pedestal gear；First by double row angular contact hubcap 21 and end cap gasket 22 when installation
It is put on pedestal, then double row angular contact bearing 7 is put on pedestal, the inner ring of bearing resists the shaft shoulder of pedestal, then uses Circlip tongs
Circlip 8 is put into jump-ring slot, thus completes the axially position of double row angular contact bearing；Pedestal gear wheel 9 is put into pedestal,
Gear resists the gear shaft shoulder of pedestal, is aligned the counter sink on gear with the screw hole on pedestal axis by rotation gear, then
Gear is completely fixed on the base using sunk screw.
It is as shown in Figure 4: the stepper motor 10 for axis of pedestal rotation to be put into the housing of middle part along guide groove, then therefrom
Stepper motor is fixed on middle part casing interior using four sunk screws by portion housing lower part；It will be first used for four sunk screws
The stepper motor 19 of pitching frame is mounted on motor mounting rack 20, then by stepper motor together with mounting bracket along leading
It is put into casing interior to slot, then is fixed on stepper motor in the housing of middle part from middle part housing lower part using four sunk screws
Pitching frame parking leg 29 is finally mounted on the concave station of side using screw by portion.
It is as shown in Figure 5: assembled middle part housing being put on double row angular contact bearing, the shaft shoulder pressure of casing interior is utilized
The firmly outer ring of double row angular contact bearing, rotating basis or housing by pedestal there are mounting hole be aligned with head bolts, will
The mounting hole that screwdriver protrudes into pedestal turns screw, and thus housing and pedestal are completely fixed.
As shown in Figure 6: pitch axis 11 designs the gear shaft shoulder and screw hole having for installing pitching shaft gear, for installing
The shaft shoulder of bearing, the annulus for installing the diamond shape slot of pitching frame, for the limit of pitching frame；First by pitch axis gear wheel when installation
17 are put on pitch axis, and gear resists the gear shaft shoulder on one side, will be on the counter sink and pedestal axis on gear by rotation gear
Screw hole alignment, recycle sunk screw gear is completely fixed on pitch axis, by two pitching axle bearings of pitch axis
(12,18) the side inner ring for being mounted on pitch axis upper bearing (metal) resists the bearing shaft shoulder of pitch axis.
As shown in Figure 7: the pitch axis that will be installed is put into above the housing of middle part, and then housing upper cover 3 is put on pitch axis,
End cap gasket 25 is respectively put into from two sides and end cap 24 recycles screw by end cap fixation and middle part housing and housing upper cover.
As shown in Figure 8: the limit annulus by pitching frame 4 along pitching frame is put on diamond shape slot, by having vee gutter
Lower semicircular ring 23 and sunk screw pitching frame is fixed on pitch axis.
As shown in Figure 2: pitching frame upper design has centrosymmetric stepper motor mounting screw holes and the end support of bearing
The stepper motor 16 for being used for end rotary shaft is fixed on pitching frame first with screw by mounting screw holes；Use elastic shaft coupling
Device 13 fixes end support installation axle 14 with step motor shaft, and end bearing 15 is put into end bearing mounting bracket 5, benefit
End bearing mounting bracket is mounted on pitching frame with bolt and nut, then is put into end bearing end Cover Gasket above the bearing of end
End cap is fixed in the bearing mounting bracket of end by piece 26 and end bearing (ball) cover 27 using screw.
As shown in Figure 2: 14 end of end support installation axle is tapped, is first put into terminal shaft axle sleeve 28 and recycles nut will
End effector mounting bracket 6 is fixed in end support installation axle, and actuator bracket can prevent from pacifying there are longer screw hole
Interfere when filling actuator with support shaft, actuator can be made to fix with mounting bracket using screw or bolt and nut.
Preferably, what the present invention selected is 42 type stepper motors, have compact, it is cheap, precision compared with
Feature that is high and keeping torque larger；Using single-chip microcontroller, the various controllers such as PLC, DSP are controlled, easy to use.In order to
Raising production efficiency, bearing according to the present invention, gasket, end cap, shaft coupling, the components such as screw-nut can all pass through buying
Standard component obtains, and greatly improves production maintenance efficiency.
Claims (10)
1. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen, including pedestal (1), middle part housing (2), cover
Shell upper cover (3), pitching frame (4), end bearing mounting bracket (5) and end effector mounting bracket (6), it is characterised in that: institute
It states pedestal (1) to be equipped with the shaft shoulder for bearing installation and the jump-ring slot of bearing snap spring is installed, the middle part housing (2) is mounted on
Pedestal (1) upper end is connect by pedestal double row angular contact bearing (7) with pedestal (1), and it is big that pedestal (1) upper end is equipped with pedestal
Gear (9), the pedestal gear wheel (9) the axis of pedestal rotation stepper motor (10) internal with middle part housing (2) are connect, and pass through base
Seat rotating axis stepper motor (10) band moving base (1) rotates, and is symmetrically installed with base at left and right sides of pedestal (1) axis line inside
Seat rotating axis stepper motor (10) and pitching shaft step motor (19), middle part housing (2) rear and front end are equipped with radiating groove, institute
It states middle part housing (2) nock and is equipped with pitching frame parking leg (29), middle part housing (2) upper end is equipped with pitch axis
(11), pitch axis gear wheel (17) are equipped among the pitch axis (11), the pitch axis gear wheel (17) and pitch axis stepping
The output axis connection of motor (19), pitch axis (11) upper end, middle part housing (2) are equipped with housing upper cover (3), the pitching
Axis (11) left and right ends are connect with pitching frame (4), and pitching frame (4) upper end is equipped with end bearing mounting bracket (5), the end
It is intermediate on the inside of end bearing mounting bracket (5) upper end to be equipped with end rotation shaft step motor (16), the end rotary shaft stepping electricity
Machine (16) is connect by yielding coupling (13) and end support installation axle (14) with end effector mounting bracket (6), described
End effector mounting bracket (6) is mounted on end by end support installation axle (14) and end support installation axle bearing (15)
In actuator mounting bracket (6).
2. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 1, feature
It is: is equipped with double row angular contact bearing snap spring in the jump-ring slot on pedestal double row angular contact bearing (7) upper end, pedestal (1)
(8)。
3. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 1, feature
It is: is equipped with double row angular contact between pedestal double row angular contact bearing (7) lower end, pedestal (1) and middle part housing (2) lower end
Hubcap (21) is used for the axially position of pedestal double row angular contact bearing (7).
4. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 3, feature
It is: is equipped with end cap gasket (22) between the double row angular contact hubcap (21) and middle part housing (2).
5. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 1, feature
It is: is equipped with support plate among the middle part housing (2), axis of pedestal rotation stepper motor (10) output shaft passes through support plate
It is connect with pedestal gear wheel (9), the pitching shaft step motor (19) is mounted on support by stepper motor mounting bracket (20)
On plate.
6. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 1, feature
Be: at left and right sides of middle part housing (2) upper end and housing upper cover (3) lower part two sides are respectively equipped with corresponding with pitch axis (11)
Semi-circular recesses, and pitch axis (11) is mounted on middle part housing (2) by pitching axle bearing (12,18), the pitch axis
Bearing (12,18) outside, middle part housing (2) and housing upper cover (3) left and right sides are equipped with end cap gasket (25) and end cap (24).
7. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 1, feature
Be: pitch axis (11) left and right ends are separately mounted on the axis hole of pitching frame (4) two sides, and under pitching frame (4) two sides
End is equipped with semicircular ring (23), and the pitching frame (4) is fixed on pitch axis (11) by semicircular ring (23) and sunk screw.
8. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 1, feature
Be: pitch axis (11) two sides are equipped with the gear shaft shoulder and screw hole, are mounted on middle part housing (2) for pitch axis (11)
On, it is equipped with the gear shaft shoulder and screw hole among the pitch axis (11), is fixed on pitch axis for pitch axis gear wheel (17).
9. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 1, feature
Be: the pitching frame (4) is " ㄇ " shape structure, the top angle Liang Ge is respectively equipped with reinforcing rib, the end bearing mounting bracket
It (5) is trapezium structure, the pitching frame (4) is bolted with end bearing mounting bracket (5).
10. a kind of three axis test tables for detecting assembly line automatically for mobile phone screen according to claim 1, feature
Be: end support installation axle (14) outer layer is equipped with terminal shaft axle sleeve (28), and the end support installation axle (14) is logical
It crosses end bearing (15), end bearing end lid gasket (26) and end bearing (ball) cover (27) and is mounted on end bearing mounting bracket
(5) on, the end support installation axle (14) is fixedly connected with end effector mounting bracket (6) by nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294276.9A CN107179279B (en) | 2017-04-28 | 2017-04-28 | A kind of three axis test tables detecting assembly line automatically for mobile phone screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294276.9A CN107179279B (en) | 2017-04-28 | 2017-04-28 | A kind of three axis test tables detecting assembly line automatically for mobile phone screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107179279A CN107179279A (en) | 2017-09-19 |
| CN107179279B true CN107179279B (en) | 2019-10-08 |
Family
ID=59831021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294276.9A Expired - Fee Related CN107179279B (en) | 2017-04-28 | 2017-04-28 | A kind of three axis test tables detecting assembly line automatically for mobile phone screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107179279B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942812A (en) * | 2018-10-16 | 2018-12-07 | 北京环境特性研究所 | A kind of dimensional turntable |
Citations (7)
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|---|---|---|---|---|
| KR100704186B1 (en) * | 2006-02-21 | 2007-04-06 | 강성일 | An apparatus for testing a flat panel display device |
| CN103760914A (en) * | 2014-01-25 | 2014-04-30 | 中国北方车辆研究所 | Three-axis rotary table multi-dimension swinging system |
| CN103995000A (en) * | 2014-05-15 | 2014-08-20 | 京东方科技集团股份有限公司 | Checking device and checking system of display substrate |
| CN104458751A (en) * | 2013-09-12 | 2015-03-25 | 韩东熙 | Inspecting apparatus of panel for display |
| CN204945057U (en) * | 2015-09-09 | 2016-01-06 | 山东华芯富创电子科技有限公司 | Touch-screen detecting tool |
| CN106198547A (en) * | 2016-06-24 | 2016-12-07 | 华为技术有限公司 | A kind of display screen detection device |
| CN106239443A (en) * | 2016-07-27 | 2016-12-21 | 北京机械设备研究所 | A kind of dimensional turntable based on parallelogram linkage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100053604A1 (en) * | 2008-08-31 | 2010-03-04 | Paul Rice | Broken screen detector |
-
2017
- 2017-04-28 CN CN201710294276.9A patent/CN107179279B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100704186B1 (en) * | 2006-02-21 | 2007-04-06 | 강성일 | An apparatus for testing a flat panel display device |
| CN104458751A (en) * | 2013-09-12 | 2015-03-25 | 韩东熙 | Inspecting apparatus of panel for display |
| CN103760914A (en) * | 2014-01-25 | 2014-04-30 | 中国北方车辆研究所 | Three-axis rotary table multi-dimension swinging system |
| CN103995000A (en) * | 2014-05-15 | 2014-08-20 | 京东方科技集团股份有限公司 | Checking device and checking system of display substrate |
| CN204945057U (en) * | 2015-09-09 | 2016-01-06 | 山东华芯富创电子科技有限公司 | Touch-screen detecting tool |
| CN106198547A (en) * | 2016-06-24 | 2016-12-07 | 华为技术有限公司 | A kind of display screen detection device |
| CN106239443A (en) * | 2016-07-27 | 2016-12-21 | 北京机械设备研究所 | A kind of dimensional turntable based on parallelogram linkage |
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|---|---|
| CN107179279A (en) | 2017-09-19 |
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Granted publication date: 20191008 |