CN109752317A - A kind of Mobile phone screen defect detecting device and its detection method - Google Patents
A kind of Mobile phone screen defect detecting device and its detection method Download PDFInfo
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- CN109752317A CN109752317A CN201910148078.0A CN201910148078A CN109752317A CN 109752317 A CN109752317 A CN 109752317A CN 201910148078 A CN201910148078 A CN 201910148078A CN 109752317 A CN109752317 A CN 109752317A
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- mobile phone
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Abstract
The invention discloses a kind of Mobile phone screen defect detecting device and its detection methods, belong to mobile phone detection field.Including support component, moving assembly, fixation kit, six part of four axis robots, pressing assembly and detection components.Wherein, moving assembly includes stepper motor, the ball screw connecting with stepper motor, fixed guide rail, and the mobile platform being sleeved on the ball screw；Fixation kit is installed on the mobile platform；Pressing assembly includes cylinder, the lower lock block connecting with the cylinder；Detection components include the second fixing support rack, and the horizontal mobile mechanism on the crossbeam of fixing support rack is arranged in, two groups of photodetectors on the output shaft of the horizontal mobile mechanism are arranged in.The present invention drives photodetector by the way that mobile phone to be detected to be fixed on moving assembly, by the screw rod in moving assembly, detects to entire Mobile phone screen to be measured；Existing detection device is solved to undetectable problem in the damage of mobile phone internal layer and fault in material.
Description
Technical field
The invention belongs to mobile phone detection field, especially a kind of Mobile phone screen defect detecting device and its detection method.
Background technique
Handset touch panel is a kind of touch panel, is the induction type liquid crystal display dress of the input signals such as receivable contact
It sets, when contacting the graphic button on screen, the haptic feedback system on screen can drive each according to the formula of preprogramming
Kind connection device, is substituted for mechanical push button panel, and lively visual and sound effects are produced by liquid crystal display picture.
Chemically reinforced glass is generally used, main material is special sodium silicate glass material, is exchanged by sodium potassium ion to mention
Self-strength is risen, there is preferable surface hardness and impact resistance.
Existing Mobile phone screen detection device mainly takes glass components surface with CCD camera cooperation light projector lamp group
Picture forms data, compares with normal data, and the physical imperfection of scratch or other surfaces on mobile phone is examined in realization
It surveys, but has part Mobile phone screen in process, stress is excessively concentrated, and mobile phone internal layer is caused to damage；It simultaneously may be by
In process of production in chemically reinforced glass, it goes wrong on material composition in some materials, these problems cannot pass through
Existing detection device detected.
Summary of the invention
Goal of the invention: a kind of Mobile phone screen defect detecting device and its detection method are provided, to solve existing detection device pair
Undetectable problem in the damage of mobile phone internal layer and fault in material.
Technical solution: a kind of Mobile phone screen defect detecting device, comprising: support component, moving assembly, fixation kit, four axis
Six part of robot, pressing assembly and detection components.
Support component is fixed on working face, comprising: substrate, be arranged multiple location holes on the substrate and
Board on the pedestal is set.
Moving assembly, comprising: the stepper motor on the board is set, is subtracted with what the stepper motor output shaft was connect
The fixation guide rail of the ball screw two sides, Yi Jitong is arranged in fast device, the ball screw connecting with the reducer output shaft
Cross that ball bearing is sleeved on the ball screw, two sides are mounted on mobile platform on fixed guide rail.
Fixation kit, comprising: the fixed plate on the mobile platform is set, is fixedly mounted on by bolt or nut
It is in the fixed plate and match with Mobile phone screen profile and fixed groove, be fixed in the fixed plate by sliding slot, with
Fixed groove alignment and there are three movable grooves of preset distance, be connected to the movable groove with fixed groove
Shrinking connecting-rod, and the adjusting nut being arranged on the shrinking connecting-rod.
Four axis robots, comprising: the turntable on the rotary cylinder is arranged in rotary cylinder, is arranged in the rotation
Rotating electric machine on platform, the level-one mechanical arm connecting with the motor are connect with the level-one mechanical arm by turning joint
Secondary mechanical arm, and the mechanical grip being fixedly mounted on the secondary mechanical arm.
Pressing assembly, comprising: setting is in first fixing support rack of " Jiong " shape on the substrate, in the fixed support
The first fixed connecting plate, the cylinder being fixedly mounted on first connecting plate, with the cylinder output shaft on the crossbeam of frame
The lower lock block of connection；
Detection components, comprising: setting is in second fixing support rack of " Jiong " shape on the substrate, and setting is in the fixed support
Horizontal mobile mechanism on the crossbeam of frame, is arranged in the second connecting plate on the horizontal mobile mechanism, is fixedly mounted described the
Two groups of photodetectors of front and rear sides are distributed on two connecting plates.
In a further embodiment, the horizontal mobile mechanism is identical as the structure of moving assembly.
In a further embodiment, the photodetector includes: that direct expansion light source beam, light beam diaphragm, focalizer, light intensity connect
Receive device；The standard parallel light emitted by the direct expansion light source beam of array arrangement, pass sequentially through light beam diaphragm, focalizer, to
Mobile phone screen is surveyed, then reflects, by light intensity receiver, electric signal is then converted optical signal by photovoltaic converter,
Pass through cable transmission to computer terminal.
In a further embodiment, cable-pulling chain is installed, used in the photodetector on the photodetector
Electric wire is all set in the cable-pulling chain.
In a further embodiment, the direct expansion light source beam includes: laser generator, for adjusting beam size peace
The collimator and beam expander of row degree.
In a further embodiment, the mechanical grip: fixing piece connect and pacifies with the servo motor output shaft
Gear set in the fixed plate, the first finger root being connect by one end gear part with gear set, refers to root with described first
Structure is identical and refers to that the gear part intermeshing second of root refers to root with described first, refers to that root and second refers to respectively at described first
Two finger joints that root is connected by pin, and the middle part of the finger joint and the connecting rod of fixed plate are connected by pin respectively.
In a further embodiment, pressure sensitive device is provided on the fixed groove and movable groove lower surface.
A kind of detection method of Mobile phone screen defect detecting device is as follows.
S1, the substrate is fixed on working face, pays attention to the horizontality for guaranteeing substrate.
S2, according to type of cell phone to be processed, adjust the distance of movable groove, guarantee mobile phone outer profile and mobile phone Internal periphery phase
Matching.
S3, by four axis robots will mobile phone to be measured or Mobile phone screen to be measured place on fixation kit.
S4, pressing assembly lower platen push mobile phone be bonded completely to mobile phone to be measured with fixed groove.
S5, check that the horizontality of mobile phone to be measured or Mobile phone screen to be measured is (i.e. complete with groove by the pressure sensor of bottom
Fitting).
S6, pass through stepper motor, fixation kit is transported to detection position, standard parallel light is launched by photodetector
Source, is irradiated on mobile phone and Mobile phone screen to be measured, reflexes to light intensity receiver by Mobile phone screen, and convert optical signal into telecommunications
Number, it is delivered in computer, calculates light intensity loss amount, by scattering principle, determine the mobile phone with the presence or absence of processing scratch or material
The defects of matter is damaged.
S7, photodetector is moved horizontally, detects light source by multiple groups and the region in a face is detected simultaneously, while
After detection, stepper motor drives fixation kit to travel forward preset distance.
After S8, detection, mobile phone to be measured or Mobile phone screen to be measured are taken out into fixation kit by four axis robots, are placed in
Appointed place.
The utility model has the advantages that the present invention relates to a kind of Mobile phone screen defect detecting devices, mobile group is fixed on by mobile phone to be detected
On part, photodetector is driven by screw rod, mobile phone to be measured is detected；Launch standard parallel light especially by photodetector
Source, is irradiated on mobile phone and Mobile phone screen to be measured, reflexes to light intensity receiver by Mobile phone screen, and convert optical signal into telecommunications
Number, it is delivered in computer, calculates light intensity loss amount, according to scattering principle, determine the mobile phone with the presence or absence of processing scratch or material
The defects of matter is damaged.Existing detection device is solved to undetectable problem in the damage of mobile phone internal layer and fault in material.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural scheme of mechanism of fixation kit of the invention.
Fig. 3 is the structural schematic diagram of four axis robots of the invention.
Fig. 4 is the partial enlarged view of mechanical grip of the invention.
Fig. 5 is the schematic illustration of optical detection device of the invention.
Appended drawing reference are as follows: substrate 1, location hole 2, board 3, stepper motor 4, retarder 5, ball screw 6, fixed guide rail 7,
Mobile platform 8, fixed plate 9, fixed groove 10, movable groove 11, shrinking connecting-rod 12, adjusting nut 13, rotary cylinder 14, rotation
Platform 15, rotating electric machine 16, level-one mechanical arm 17, secondary mechanical arm 18, mechanical grip 19, the first fixing support rack 20, first connect
Fishplate bar 21, cylinder 22, lower lock block 23, the second fixing support rack 24, the second connecting plate 25, horizontal mobile mechanism 26, photodetector
27, pressure sensitive device 28, cable-pulling chain 29, fixing piece 1901, gear set 1902, first refer to root 1903, second refer to root 1904,
Finger joint 1905, connecting rod 1906, direct expansion light source beam 2701, light beam diaphragm 2702, focalizer 2703, light intensity receiver 2704.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As shown in Fig. 1, a kind of Mobile phone screen defect detecting device, comprising: support component, moving assembly, fixation kit, four
Six part of axis robot, pressing assembly and detection components.
Support component includes: substrate 1, location hole 2, board 3.Substrate 1 is fixed on working face, on the substrate 1
Multiple location holes 2 are provided with, board 3 is arranged on the pedestal.Meanwhile be provided on the board 3 horizontal calibrator and
The high fine-tuning nut of board 3 Yu workbench junction is set, with the horizontality with adjustment board 3, the inspection of detection device
Survey precision.
Moving assembly includes: stepper motor 4, retarder 5, ball screw 6, fixed guide rail 7, mobile platform 8.Stepper motor
4 are arranged on the board 3, meanwhile, it is connected with retarder 5 in 4 output shaft of stepper motor, ball screw 6 subtracts with described
Fast device 5 exports axis connection, 6 two sides of ball screw is provided with fixed guide rail 7, mobile platform 8 is set with by ball bearing
On the ball screw 6, and two sides are mounted on fixed guide rail 7 by idler wheel.By adjusting 4 rotative power of stepper motor,
Realization moves on board 3 to mobile platform 8 and position is precisely controlled.
As shown in Fig. 2, fixation kit includes: fixed plate 9, fixed groove 10, movable groove 11, shrinking connecting-rod
190612, adjusting nut 13, pressure sensitive device 28.Fixed plate 9 is fixedly mounted on the mobile platform 8；Fixed groove 10
Match with Mobile phone screen profile, and is fixedly mounted in the fixed plate 9 by bolt or nut；Three movable grooves 11 with
The fixed groove 10 is aligned and there are preset distances, is fixed in the fixed plate 9 by sliding slot；Each movable groove 11 with
The adjusting nut for being respectively connected with shrinking connecting-rod 190612 between fixed groove 10, and being arranged on the shrinking connecting-rod 190612
13；The fixed groove 10 and movable groove are provided with pressure sensitive device 28 on 11 lower surface.Not according to mobile phone to be detected
Same model, by adjusting adjusting nut 13,11 phase fixed groove 10 of movable groove is transported in stretching for control shrinking connecting-rod 190612
It is dynamic, until the Internal periphery of four grooves just fits with mobile phone outer profile to be detected, finally, by being arranged on four grooves
Pressure sensor, detects whether mobile phone to be detected is bonded completely with groove.
As shown in attached drawing 2~3, four axis robots include；Rotary cylinder 2214, turntable 15, rotating electric machine 16, first-level machine
Tool arm 17, secondary mechanical arm 18, mechanical grip 19.Rotary cylinder 2214 is located at shown 1 lower part of substrate；Turntable 15 is arranged in institute
It states on rotary cylinder 2214, and concordant with substrate 1；Rotating electric machine 16, level-one mechanical arm 17 are provided on the turntable 15
It is connect with the motor, secondary mechanical arm 18 is connected by turning joint with the level-one mechanical arm 17, in the second level machine
Mechanical grip 19 is fixedly installed on tool arm 18.
Wherein, as shown in Fig. 4, mechanical grip 19 again include: fixing piece 1901, gear set 1902, first refer to root 1903,
Second refers to root 1904, finger joint 1905, connecting rod 1906.Fixing piece 1901 is used to support fixation, and gear set 1902 is mounted on described solid
In fixed board 9, and it is connected with the output shaft for the servo motor being fixed on secondary mechanical arm 18, passes through one end gear part and gear
The first of 1902 connection of group refers to root 1903, gear identical as first finger 1903 structure of root and with the first finger root 1903
Portion intermeshing second refers to root 1904, two connected with the second finger root 1904 by pin respectively at the first finger root 1903
A finger joint 1905, and the middle part of the finger joint 1905 and the connecting rod 1906 of fixed plate 9 are connected by pin respectively.When the machine
It when tool clamping jaw 19 clamps article, drives gear set 1902 to rotate by servo motor, while driving second to refer to root 1904 and second
Refer to that root 1904 is moved to 1901 central axis direction of fixing piece, article is clamped by finger joint 1905.Meanwhile in the finger joint 1905
Vacuum chuck can be set.
Pressing assembly includes: the first fixing support rack 20, the first connecting plate 21, cylinder 22, lower lock block 23.First fixed branch
Support 20 is arranged on the substrate 1 and across board 3, is in " Jiong " shape, the first connecting plate 21 is fixed on the fixing support rack
Crossbeam on, cylinder 22 is fixedly installed on first connecting plate 21, under being connected on the output shaft of the cylinder 22
Briquetting 23.After 22 pushing piston-rod of cylinder, drives lower lock block 23 to move downward, mobile phone is pressed in fixation kit.
Detection components include: the second fixing support rack 24, the second connecting plate 25, horizontal mobile mechanism 26, photodetector 27.
Second fixing support rack 24 is arranged on the substrate 1 and across board 3, is in " Jiong " shape, the second connecting plate 25 is fixed on described
On the crossbeam of fixing support rack, it is fixedly mounted on horizontal mobile mechanism 26 in second connecting plate 25, is connect with described first
Two groups of photodetectors 27 of forward and backward distribution are installed on plate 21；Wherein, the mechanism phase of horizontal mobile mechanism 26 and moving assembly
Together, by screw rod to 25 horizontal movement of the second connecting plate is driven, detection of the photodetector 27 to Mobile phone screen to be measured is realized.
Wherein, as shown in Fig. 5, the photodetector 27 includes: direct expansion light source beam 2701, light beam diaphragm 2702, focusing
Device 2703, light intensity receiver 2704, wherein direct expansion light source beam 2701 includes: again laser generator, collimator and beam expander.Its
Working principle be the laser emitted by the laser generator of array arrangement, pass through collimator and beam expander and adjust light
Then Shu great little and the depth of parallelism, standard parallel light subject to arrangement pass sequentially through light beam diaphragm 2702 and adjust beam size and shape,
Focalizer 2703 carries out zoom to light beam, is irradiated on Mobile phone screen to be measured, then reflects at a predetermined angle, is received by light intensity
Device 2704 receives, due to that due to photon random fluctuation, can send out on its direction of propagation after incident beam enters non-uniform dielectric
The scattering of raw multi-angle, leads to that light intensity becomes smaller and the position of reflection light shifts, then by photovoltaic converter by light
Signal is converted into electric signal, by cable transmission to computer terminal, compares with normal data, determines that Mobile phone screen to be detected is
It is no to there is the defects of processing scratch or Material damage, if to meet professional standard.Wherein, it is equipped on the photodetector 27
Cable-pulling chain 29, electric wire used in the photodetector 27 are all set in the cable-pulling chain 29.It can avoid photodetector
27 during moving back and forth, and cable and horizontal mobile mechanism 26 rub, and damages cable, the cable in cable-pulling chain 29 into
Row moves back and forth without easy to wear, can effectively protect cable.
For a further understanding of the technical solution of Mobile phone screen defect detecting device, brief description is made to its processing technology.
S1, the substrate 1 is fixed on working face, pays attention to the horizontality for detecting substrate 1；
S2, according to type of cell phone to be processed, adjust the distance of movable groove 11, guarantee mobile phone outer profile and mobile phone Internal periphery phase
Match；
S3, by four axis robots will mobile phone to be measured or Mobile phone screen to be measured place on fixation kit.
The lower platen pushing mobile phone of S4, pressing assembly, until mobile phone to be measured and fixed groove 10 and movable groove 11 are pasted completely
It closes.
S5, check that the horizontality of mobile phone to be measured or Mobile phone screen to be measured is (i.e. complete with groove by the pressure sensor of bottom
Fitting).
S6, pass through stepper motor 4, fixation kit is transported to detection position, it is flat to launch standard by photodetector 27
Line light source, is irradiated on mobile phone and Mobile phone screen to be measured, reflexes to light intensity receiver 2704 by Mobile phone screen, and optical signal is converted
It for electric signal, is delivered in computer, calculates light intensity loss amount, by scattering principle, determine the mobile phone with the presence or absence of machining wiper
The defects of trace or Material damage.
S7, photodetector 27 is moved horizontally, detects light source by multiple groups and the region in a face is detected simultaneously, simultaneously
After detection, stepper motor 4 drives fixation kit to travel forward preset distance.
After S8, detection, mobile phone to be measured or Mobile phone screen to be measured are taken out into fixation kit by four axis robots, are placed in
Appointed place.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
Claims (8)
1. a kind of Mobile phone screen defect detecting device characterized by comprising
Support component is fixed on working face, comprising: multiple location holes on the substrate and setting is arranged in substrate
Board on the pedestal；
Moving assembly, comprising: the stepper motor on the board is set, the deceleration connecting with the stepper motor output shaft
Device, the fixation guide rail of the ball screw two sides is arranged in the ball screw connecting with the reducer output shaft, and passes through
Ball bearing is sleeved on the ball screw, two sides are mounted on the mobile platform on fixed guide rail；
Fixation kit, comprising: the fixed plate on the mobile platform is set, is fixedly mounted on by bolt or nut described
It is in fixed plate and match with Mobile phone screen profile and fixed groove, be fixed in the fixed plate by sliding slot, with it is described
Fixed groove is aligned and there are three movable grooves of preset distance, and it is flexible with fixed groove to be connected to the movable groove
Connecting rod, and the adjusting nut being arranged on the shrinking connecting-rod；
Four axis robots, comprising: the turntable on the rotary cylinder is arranged in rotary cylinder, is arranged on the turntable
Rotating electric machine, the level-one mechanical arm being connect with the motor, the second level being connect with the level-one mechanical arm by turning joint
Mechanical arm, and the mechanical grip being fixedly mounted on the secondary mechanical arm；
Pressing assembly, comprising: setting is in first fixing support rack of " Jiong " shape on the substrate, in the fixing support rack
The first fixed connecting plate on crossbeam, the cylinder being fixedly mounted on first connecting plate export axis connection with the cylinder
Lower lock block；
Detection components, comprising: setting is in second fixing support rack of " Jiong " shape on the substrate, and setting is in the fixed support
Horizontal mobile mechanism on the crossbeam of frame, is arranged in the second connecting plate on the horizontal mobile mechanism, is fixedly mounted described the
Two groups of photodetectors of front and rear sides are distributed on two connecting plates.
2. Mobile phone screen defect detecting device according to claim 1, which is characterized in that the horizontal mobile mechanism and movement
The structure of component is identical.
3. Mobile phone screen defect detecting device according to claim 1, which is characterized in that the photodetector includes: direct expansion
Light source beam, light beam diaphragm, focalizer, light intensity receiver；The standard parallel emitted by the direct expansion light source beam of array arrangement
Light passes sequentially through light beam diaphragm, focalizer, Mobile phone screen to be measured, then reflects, by light intensity receiver, then passes through light
Electrotransformation device converts optical signal into electric signal, passes through cable transmission to computer terminal.
4. Mobile phone screen defect detecting device according to claim 3, which is characterized in that be equipped with electricity on the photodetector
Cable drag chain, electric wire used in the photodetector are all set in the cable-pulling chain.
5. Mobile phone screen defect detecting device according to claim 3, which is characterized in that the direct expansion light source beam includes: sharp
Optical generator, the collimator for adjusting beam size and the depth of parallelism and beam expander.
6. Mobile phone screen defect detecting device according to claim 1, which is characterized in that the mechanical grip: fixing piece, with
The gear set that the servo motor output shaft is connected and is mounted in the fixed plate is connected by one end gear part and gear set
First connect refers to root, refers to that root knot structure is identical and refers to that the gear part intermeshing second of root refers to described first with described first
Root respectively at two finger joints that the first finger root and the second finger root are connected by pin, and connects institute by pin respectively
State the middle part of finger joint and the connecting rod of fixed plate.
7. Mobile phone screen defect detecting device according to claim 1, which is characterized in that the fixed groove and movable groove
Pressure sensitive device is provided on lower surface.
8. a kind of detection method of Mobile phone screen defect detecting device, it is characterised in that:
S1, the substrate is fixed on working face, pays attention to the horizontality for guaranteeing substrate；
S2, according to type of cell phone to be processed, adjust the distance of movable groove, guarantee mobile phone outer profile and mobile phone Internal periphery phase
Match；
S3, by four axis robots will mobile phone to be measured or Mobile phone screen to be measured place on fixation kit；
S4, pressing assembly lower platen push mobile phone be bonded completely to mobile phone to be measured with fixed groove；
S5, check that the horizontality of mobile phone to be measured or Mobile phone screen to be measured (is pasted with groove completely by the pressure sensor of bottom
It closes)；
S6, pass through stepper motor, fixation kit transported to detection position, standard parallel light source is launched by photodetector,
It is irradiated on mobile phone and Mobile phone screen to be measured, light intensity receiver is reflexed to by Mobile phone screen, and convert optical signal into electric signal, it is defeated
It send into computer, calculates light intensity loss amount, by scattering principle, determine the mobile phone with the presence or absence of processing scratch or material damage
The defects of hurting；
S7, photodetector is moved horizontally, detects light source by multiple groups and one is detected in face of region simultaneously, while is examining
After survey, stepper motor drives fixation kit to travel forward preset distance；
After S8, detection, mobile phone to be measured or Mobile phone screen to be measured are taken out into fixation kit by four axis robots, are placed in specified
Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148078.0A CN109752317B (en) | 2019-02-28 | 2019-02-28 | Mobile phone screen defect detection device and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148078.0A CN109752317B (en) | 2019-02-28 | 2019-02-28 | Mobile phone screen defect detection device and detection method thereof |
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| Publication Number | Publication Date |
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| CN109752317A true CN109752317A (en) | 2019-05-14 |
| CN109752317B CN109752317B (en) | 2019-12-20 |
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|---|---|---|---|
| CN201910148078.0A Active CN109752317B (en) | 2019-02-28 | 2019-02-28 | Mobile phone screen defect detection device and detection method thereof |
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| CN112903584A (en) * | 2021-01-19 | 2021-06-04 | 西安奕斯伟硅片技术有限公司 | Device for adjusting position of detection light source relative to wafer to be detected |
| CN113341258A (en) * | 2021-06-18 | 2021-09-03 | 科大讯飞股份有限公司 | Screen test fixture, method and device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109752317B (en) | 2019-12-20 |
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