CN105277750A - Display screen detection device - Google Patents

Display screen detection device Download PDF

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Publication number
CN105277750A
CN105277750A CN201510869417.6A CN201510869417A CN105277750A CN 105277750 A CN105277750 A CN 105277750A CN 201510869417 A CN201510869417 A CN 201510869417A CN 105277750 A CN105277750 A CN 105277750A
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China
Prior art keywords
display screen
mounting base
tool
detection
camera
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Application number
CN201510869417.6A
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Chinese (zh)
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CN105277750B (en
Inventor
蔡万盛
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Huizhou Desay Automation Technology Co Ltd
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Huizhou Desay Automation Technology Co Ltd
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Priority to CN201510869417.6A priority Critical patent/CN105277750B/en
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Abstract

The invention relates to a display screen detection device. The display screen detection device comprises a camera detection mechanism and a display screen detection jig. The camera detection mechanism comprises a camera mounting rack, a main camera and at least two auxiliary cameras, wherein a photographing area is prearranged at the bottom of the camera mounting rack, the main camera is arranged above the photographing area, and the auxiliary cameras are distributed on the periphery of the photographing area. The display screen detection jig comprises a jig body arranged under the photographing area, a light-emitting module, a detection probe group and a signal connector, wherein the surface of the jig body is provided with a display screen accommodating cavity, the light-emitting module is arranged at the bottom of the display screen accommodating cavity, the detection probe group is arranged on one side of the display screen accommodating cavity, and the signal connector is fixed to the jig body and is connected with the light-emitting module and the detection probe group. When display screen detection is performed, the display screen accommodating cavity is located in the shooting ranges of the main camera and the auxiliary cameras through the photographing area. By the adoption of the the camera detection mechanism and the display screen detection jig, the detection accuracy can be improved, and the problems of artificial secondary damage and relatively inaccurate detection results caused by manual detection are avoided.

Description

A kind of display screen checkout equipment
Technical field
The present invention relates to a kind of checkout equipment, particularly relate to a kind of display screen checkout equipment.
Background technology
In electronic product display screen as in the testing process of mobile phone screen, bad point, dim spot, bright spot, crackle and cut are the least favorable factor affecting display screen yields, so the detection of the bad point of series products, dim spot, bright spot, crackle and cut all seems of crucial importance, and in testing process, the checkout equipment adopted also must seem most important, by the control of checkout equipment, yields and the quality of product export also can be guaranteed well.
One of detection method of current bad point, dim spot, bright spot, crackle and cut is for observe in naked eyes by means of the equipment being similar to magnifier and so on by testing staff.The mode of this kind of manual detection, Detection results is inaccurate on the one hand, and on the other hand, detection efficiency can not control very well, and detect with the manual display screen arresting electronic product, easily forming people is the secondary damage caused simultaneously.
Summary of the invention
For deficiency of the prior art, the object of this invention is to provide a kind of display screen checkout equipment.
In order to solve the problems of the technologies described above, present invention is disclosed a kind of display screen checkout equipment, it comprises:
Camera calibration mechanism, comprising:
Camera erecting frame, is preset with a photograph region bottom it;
Be located at the principal phase machine of photograph overlying regions; And,
Be distributed at least two auxiliary cameras of photograph area peripheral edge;
Display screen detects tool, and display screen detects tool and comprises:
Be located at the jig body below photograph region, its surface has display screen accommodating cavity;
Luminescence component, is located at bottom display screen accommodating cavity;
Detector probe group, is located at display screen accommodating cavity side; And,
Signal connector, is fixed on jig body, and connects luminescence component and detector probe group;
Wherein, when carrying out display screen and detecting, through photograph region, display screen accommodating cavity is positioned at principal phase machine and auxiliary camera coverage.
According to an embodiment of the present invention, wherein camera calibration mechanism also comprises a polarisation part, and polarisation part covers photograph region.
According to an embodiment of the present invention, detector probe group comprises:
Probe installing plate; And, be divided into two groups of probe bodies at probe installing plate two ends;
Probe installing plate is located at display screen accommodating cavity side;
Often organize probe bodies to arrange along display screen accommodating cavity with side frame.
According to an embodiment of the present invention, display screen detection tool also comprises:
First actuator, the first actuator is fixed on jig body, the longitudinal reciprocating action of its drive end interlock probe installing plate.
According to an embodiment of the present invention, display screen detects tool and also comprises the second actuator, and the second actuator is fixed on jig body, and its drive end is the action of interlock probe installing plate transverse reciprocating then.
According to an embodiment of the present invention, detect the same number of motion platform of tool with display screen, motion platform comprises:
First mounting base;
Be arranged at the first guide member on the first mounting base, the first guide member interlock display screen detects tool; And,
3rd actuator, is located at the first mounting base, in order to drive the first guide member, makes the first guide member driving display screen detect tool and moves along the first mounting base.
According to an embodiment of the present invention, motion platform also comprises:
Second mounting base, is fixed on above the first guide member, and display screen detects tool and is located on the second mounting base;
Second guide member, the second guide member interlock display screen detects tool; And,
Fourth drive member, for driving the second guide member, making the second guide member interlock display screen detect tool and moving along the second mounting base;
Wherein, display screen detection tool is mutually vertical with its direction of motion along the second installing plate along the direction of motion of the first installing plate.
According to an embodiment of the present invention, motion platform also comprises:
First origin switch, detects tool in order to make display screen and returns back to reference position; And,
Second origin switch, detects tool in order to make display screen and moves in the first preset strokes of the first mounting base;
First origin switch and the second origin switch are divided into the two ends of the first mounting base, and connect the 3rd actuator respectively.
According to an embodiment of the present invention, motion platform also comprises:
Initial point sensing chip, detects tool in order to make display screen and moves in the second preset strokes of the second mounting base;
Initial point sensing chip is located at jig body, and connects fourth drive member.
According to an embodiment of the present invention, also comprise: draw feeding distribution mechanism, be located at the top of the first mounting base and the second mounting base, comprise:
X-axis drives module, is fixed on camera erecting frame;
Z axis drives module, is linked in X-axis and drives module;
Wobble drive part, is fixed on Z axis and drives module, have swing output terminal;
Vacuum cup, is connected to swing output terminal;
Vacuum generator, is connected with vacuum cup;
Wherein, vacuum cup to-and-fro movement is in the end of the first mounting base and the second mounting base.
Compared with prior art, the present invention can obtain and comprise following technique effect:
Detect tool by camera calibration mechanism and display screen, can accuracy of detection be improved, the relatively inaccurate problem of the artificial secondary damage avoiding manual detection to occur and testing result.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the display screen checkout equipment of an embodiment of the present invention;
Fig. 2 is the stereographic map of the camera calibration mechanism of an embodiment of the present invention;
Fig. 3 is the stereographic map of the display screen detection tool of an embodiment of the present invention;
Fig. 4 is that the display screen of an embodiment of the present invention detects tool motion platform structural representation;
Fig. 5 is the cut-open view that second mounting base of Fig. 4 and display screen detect tool coupling part;
Fig. 6 is the absorption feeding distribution mechanism stereographic map of an embodiment of the present invention.
Description of reference numerals:
10, camera calibration mechanism; 20, display screen detects tool; 30, display screen detects tool motion platform; 40, feeding distribution mechanism is drawn; 50, scram button; 60, control knob; 70, non-defective unit travelling belt; 80, defective products travelling belt; 90, panel; 101, camera erecting frame; 102, photograph region; 103, principal phase machine; 104, the first auxiliary camera; 105, the second auxiliary camera; 106, the 3rd auxiliary camera; 107, polarisation part; 108, the 4th auxiliary camera; 109, principal phase machine height adjustment mechanism; 110, auxiliary camera height adjustment mechanism; 111, auxiliary camera angle adjusting mechanism; 112, polarisation part lifting regulating mechanism; 301, the first mounting base; 302, stopper slot; 303, line rail; 304, the first motor; 305, Timing Belt; 306, the first origin switch; 307, the second origin switch; 308, the second mounting base; 309, the second motor; 310, initial point sensing chip; 311, drag chain; 312, gear; 201, jig body; 202, display screen accommodating cavity; 203, luminescence component; 204, probe bodies; 205, probe installing plate; 206, Signal connector; 207, the first actuator; 208, the second actuator; 401, the first base plate; 402, the first stepper motor; 403, the first ball screw; 404, pressure switch; 405, oscillating cylinder; 406, vacuum cup installing plate; 407, electronic product display screen; 408, vacuum cup; 409, vacuum generator; 410, the second base plate; 411, the second stepper motor; 412, the second ball screw.
Embodiment
Below will with graphic exposure multiple embodiment of the present invention, as clearly stated, the details in many practices will be explained in the following description.But should be appreciated that, the details in these practices is not applied to limit the present invention.That is, in some embodiments of the present invention, the details in these practices is non-essential.In addition, for the purpose of simplicity of illustration, some known usual structures and assembly illustrate it by the mode simply illustrated in the drawings.
About used herein it " ", " the 2nd " etc., the not special meaning of censuring order or cis-position, is also not used to limit the present invention, and it is only used to distinguish the assembly or operation that describe with constructed term.
The present invention has the design about a kind of display screen checkout equipment, and this display screen checkout equipment can be applicable in electronic product display screen detection.
Fig. 1 is the stereographic map of the display screen checkout equipment of an embodiment of the present invention.As shown in the figure, display screen checkout equipment comprise panel 90, camera calibration mechanism 10 above panel 90, bottom panel 90 and camera calibration mechanism 10 between the display screen scram button 50 that detects tool 20, control knob 60 be on the faceplate 10 set and arrange on panel 90.During detection, the display screen being placed with electronic product display screen is detected tool 20 to be placed on panel 90, and make in its sensing range being in camera calibration mechanism 10, detecting the automatic transport of tool 20 in order to realize display screen, also comprising display screen and detecting tool motion platform 30, wherein, display screen detects tool motion platform 30 and is located on panel 90, and pass below camera calibration mechanism 10, partial denudation is outside camera calibration mechanism 10, and part is positioned at below camera calibration mechanism.In order to realize detecting the non-defective unit of rear electronic product display screen and the classification of defective products, the end detecting tool motion platform 30 at display screen is also provided with absorption feeding distribution mechanism 40.Control knob 60 supplies operator's starting outfit, emergent stopping when scram button 50 is in order to break down in equipment use process.
Further, Fig. 2 is the stereographic map of the camera calibration mechanism of an embodiment of the present invention.As shown in the figure, camera calibration mechanism comprises camera erecting frame 101, principal phase machine 103 and at least two auxiliary cameras.The bottom of camera erecting frame 101 is formed with a photograph region 102, and the top in photograph region 102 is provided with principal phase machine 103, first auxiliary camera 104 and the 3rd auxiliary camera 106 is distributed in photograph region 102 periphery.During detection, electronic product display screen is positioned at below photograph region 102, and through photograph region 102, electronic product display screen is in the coverage of principal phase machine 103 and the first auxiliary camera 104 and the 3rd auxiliary camera 106.Further, when embody rule, the size in photograph region 102 and shape can be determined according to the size of electronic product display screen and shape, and in Fig. 2, the shape in photograph region 102 is border circular areas.In order to make testing result more accurate, in photograph area peripheral edge, arranging four auxiliary cameras, is the first auxiliary camera 104, second auxiliary camera the 105, three auxiliary camera 106 and the 4th auxiliary camera 108.Four auxiliary cameras are evenly distributed in circular photograph region 102 periphery, and electronic product display screen is in the coverage of principal phase machine 103 and four auxiliary cameras.
Further, above photograph region 102, be also coated with a polarisation part 107, during embody rule, be polaroid, it is more obvious that polaroid makes the bad point on electronic product display screen, dim spot, bright spot, cut and crackle manifest, and is more conducive to the detection after camera shooting.Correspondingly, polarisation part 107 also connects polarisation part lifting regulating mechanism 112, and polarisation part lifting regulating mechanism 112 to be located on camera erecting frame 101, and interlock polarisation part 107 back and forth vertically moves.Polarisation part lifting regulating mechanism 112 is specially lift cylinder, or is that servomotor and screw mandrel module coordinate realization lifting, or is that handwheel and screw mandrel module coordinate realization lifting.
In Another Application example, camera calibration mechanism also comprises principal phase machine height adjustment mechanism 109, and principal phase machine height adjustment mechanism 109 is located on camera erecting frame 101, and interlock principal phase machine 103 back and forth vertically moves.Said longitudinal direction in camera calibration mechanism, refers to the direction that vertically moves up and down in Fig. 2.Concrete, principal phase machine height adjustment mechanism 109 comprises the first actuator and the first height adjusting part, first actuator and the first height adjusting part are located at drive end pivot joint first height adjusting part of camera erecting frame 101, first actuator, the first height adjusting part interlock principal phase machine.During practical application, the first actuator can select handwheel or servomotor, and the first height adjusting part can be screw mandrel module, then or, the height of principal phase machine directly can be regulated by lift cylinder.Principal phase machine highly regulates the actual needs of Main Basis in testing process the need of carrying out, and conveniently takes clear photograph more.
Same, each auxiliary camera can be equipped with an auxiliary camera height adjustment mechanism 110, and each auxiliary camera height adjustment mechanism 110 is located on camera erecting frame 101 respectively, and the corresponding auxiliary camera of interlock makes reciprocating longitudinal motion respectively.Concrete, each supplementary height governor motion 110 comprises actuator and height adjusting part, and actuator and height adjusting part are located at camera erecting frame 101, the drive end pivot joint height adjusting part of actuator, the corresponding auxiliary camera of height adjusting part interlock.During practical application, actuator can select handwheel or servomotor equally, and height adjusting part can be screw mandrel module, then or, the height of auxiliary camera also directly can be regulated by lift cylinder.Auxiliary camera regulates the need of carrying out height, and the actual needs of Main Basis in testing process, conveniently takes clear photograph more.
In addition, camera calibration mechanism also comprises the same number of auxiliary camera angle adjusting mechanism 111 with auxiliary camera, and each auxiliary camera angle adjusting mechanism 111 is located on camera erecting frame 101, and connects corresponding auxiliary camera respectively and carry out shooting angle adjustment.During practical application, auxiliary camera angle adjusting mechanism 111 comprises an adjusting screw, and auxiliary camera is located at camera erecting frame by adjusting screw.When carrying out angular setting, adjusting screw is unscrewed, manually correct shooting angle.
Fig. 3 is the stereographic map of the display screen detection tool 20 of an embodiment of the present invention.As shown in the figure, display screen detection tool 20 comprises jig body 201, luminescence component 203, detector probe and Signal connector 206.Wherein, jig body 201 outside surface caves inward, be formed with a display screen accommodating cavity 202, for holding electronic product display screen, the electronic product display screen that the shape of display screen accommodating cavity 202 and size detect according to reality and determining, such as, display screen accommodating cavity 202 is designed to the shape of lateral cross section as shown in Figure 1 in " convex " font, length is consistent with electronic product display screen, is convenient to picking and placeing of electronic product display screen.In the bottom of display screen accommodating cavity 202, be provided with two groups of luminescence components 203, luminescence component 203 can be LED lamp bead, provides light source for detecting; Be provided with detector probe in the side of display screen accommodating cavity 202, as shown in Figure 1, detector probe is located at the left side of display screen accommodating cavity 202.In addition, Signal connector 206 is fixed in jig body 201, and be electrically connected luminescence component 203 and detector probe simultaneously, Signal connector 206 also for connecting external detection instrument, in order to electronic product display screen signal feedback that detector probe is detected to external detection instrument.
Further, detector probe comprises probe installing plate 205 and is divided into two groups of probe bodies 204 at probe installing plate 205 two ends; Probe installing plate 205 is located at display screen accommodating cavity 202 side; Often organize probe bodies 204 to arrange along display screen accommodating cavity 202 with side frame.As shown in Figure 1, probe installing plate 205 is located on the left of display screen accommodating cavity 202, and often organize probe bodies 204 along the arrangement of display screen accommodating cavity 202 left border, each probe is uniformly distributed.In jig body 201, the drive end being also fixed with the first actuator 207, first actuator 207 longitudinally moves back and forth in order to interlock detector probe.Specifically, in practical application, first actuator 207 can be cylinder, the piston rod linking probe installing plate 205 of cylinder, when detecting, by the longitudinal reciprocating action of the piston rod of the first actuator 207, probe bodies 204 and electronic product display screen close contact can be made, longitudinally namely refer to jig body 201 height bearing of trend herein.In another embodiment, in jig body 201, the drive end being also fixed with the second actuator 208, second actuator 208 moves in order to interlock detector probe transverse reciprocating.Specifically, in practical application, second actuator 208 can be cylinder, the piston rod linking probe installing plate 205 of cylinder, when detecting, by the piston rod transverse reciprocating action of the second actuator 208, probe bodies 204 can be made to move into below electronic product display screen or below electronic product display screen and to shift out, laterally namely refer to the direction perpendicular to longitudinal direction herein.
The function mode of the display screen detection tool of the present embodiment is: electronic product display screen is placed in display screen accommodating cavity 202, subsequently display screen being detected tool is placed in below photograph region 102, make it to be in the coverage of principal phase machine 103, first auxiliary camera 104, second auxiliary camera 105, the 3rd auxiliary camera 106 and the 4th auxiliary camera 108, optimal location is position, middle, downward projection face, photograph region 102, start the first actuator 207 and the second actuator 208, probe bodies 204 is made to move to below electronic product display screen close contact with it, Signal connector 206 connects external detection instrument, luminescence component 203 is luminous, the shot detection of electronic product display screen can be started, in testing process, can also by adjustment principal phase machine height adjustment mechanism 109, auxiliary camera height adjustment mechanism 110, auxiliary camera angle adjusting mechanism 111 and polarisation part lifting regulating mechanism 112, make principal phase machine 103, first auxiliary camera 104, second auxiliary camera 105, 3rd auxiliary camera 106 and the 4th auxiliary camera 108 are in optimum photographing position and shooting angle, after detection completes, probe bodies 204 is under the driving of the first actuator 207 and the second actuator 208, return to the original position before detection, principal phase machine 103, first auxiliary camera 104, second auxiliary camera 105, 3rd auxiliary camera 106 and the 4th auxiliary camera 108 also need to take last electronic product display screen picture, for contrasting with the picture in testing process, and, in testing process, due to probe bodies 204 and electronic product display screen close contact, contact portion image taking can be affected, after detection terminates, probe bodies 204 returns to the original position before detection, be convenient to the complete image taking electronic product display screen.
Detect relative to Traditional Man, display screen detects tool in testing process, plays very important effect, on the one hand, contributes to the realization realizing detecting robotization, and improves accuracy of detection; On the other hand, the artificial secondary damage avoiding manual detection to bring and cross-contamination issue.
Please further refer to Figure 4 and 5, be respectively stereographic map and partial sectional view that display screen detects tool motion platform.Display screen detects tool motion platform and comprises display screen detection tool 20 and motion platform, and it is identical with above-mentioned Fig. 2 structure that display screen detects tool 20 structure, repeats no more in this embodiment.
Motion platform comprises: the first mounting base 301, first guide member and the 3rd actuator.First mounting base 301 is provided with stopper slot 302 along its length bearing of trend, first guide member is located at the first mounting base 301 further by stopper slot 302,3rd actuator is located at one end of the first mounting base 301, in order to drive the first guide member, the first guide member driving display screen is made to detect tool 20 along the first mounting base 301 length bearing of trend to-and-fro movement.In practice, the first guide member comprises: line rail 303 and the slide block (not shown) be fixed on line rail 303; Line rail 303 is arranged at the first mounting base 301 along stopper slot 302; 3rd actuator comprises: the first motor 304 and driven the Timing Belt 305 of reciprocating rotation by the first motor 304; Timing Belt 305 is moved along the first mounting base 301 in stopper slot 302 by a driving member (not shown) band moving-wire rail 303, and when line rail 303 moves, the slide block driving display screen on fixing online rail 303 detects tool 20 synchronization action.In addition, can also be arranged to line rail 103 and be fixed on the first mounting base 101, slide block is under the transmission of Timing Belt, and rail along the line moves, thus driving display screen detects tool 20 synchronization action.In addition, in the side of the first mounting base 301, be also provided with drag chain 311, drag chain 311 is for collecting the electric wire in display screen detection tool 20 and motion platform 3 between each parts connection.
Further, motion platform also comprises the second mounting base 308, second guide member and fourth drive member.Second mounting base 308 is fixed on above the first guide member, so that when the first guide member driving display screen detection tool 20 moves, and the second mounting base 308 synchronization action, display screen detects tool 20 and is located on the second mounting base 308; Second guide member interlock display screen detects tool 20; Fourth drive member, in order to drive the second guide member, makes the second guide member interlock display screen detect tool 20 and moves along the second mounting base 308; Wherein, display screen detection tool 20 is mutually vertical with its direction of motion along the second mounting base 302 along the direction of motion of the first mounting base 301.In actual applications, the second guide member comprises rack pinion portion; Fourth drive member comprises the second motor 309; Second mounting base 308 is fixed on above slide block; Gear 312 is located in jig body 201, and tooth bar (not shown) is layed on the second mounting base 308 along the second mounting base 308 length bearing of trend, and wheel and rack engages; Second motor 309 driven gear 312 rotates, gear 312 driving rack, drives display screen to detect tool 20 along the second mounting base 308 synchronization action.
In another embodiment, motion platform also comprises: the first origin switch 306, detects tool 20 be reset to reference position in order to make display screen; And the second origin switch 307, detects tool 20 in order to make display screen and moves in the first preset strokes of the first mounting base 301; First origin switch 106 and the second origin switch 307 are divided into the two ends of the first mounting base 301, and connect the 3rd actuator respectively.Wherein, the first preset strokes refers to that display screen detects tool 20 and is positioned at the reference position of the first mounting base 301 and the spacing of the second origin switch 307.
In another embodiment, motion platform also comprises: initial point sensing chip 310, detects tool 20 move in the second preset strokes of the second mounting base 308 in order to make display screen; Initial point sensing chip 310 is located at jig body 201, and connects fourth drive member.Wherein, the second preset strokes refers to the length of the second mounting base 308.In addition, initial point sensing chip is connected with fourth drive member, also in order to make display screen detect tool 20 in the enterprising horizontal reset of the second mounting base 108.
The function mode that display screen detects tool motion platform is: if display screen detects tool 20 be in reference position, first start the 3rd actuator, first guide member drives the second mounting base and the display screen detection tool be located on the second mounting base synchronously moves along the length bearing of trend of the first mounting base, when to be located on panel 90 and be positioned at senser element that photograph region 102 periphery goes out detect display screen detect tool move to photograph region 120 lower position time, 3rd actuator quits work, fourth drive member starts, second guide member driving display screen detects tool and moves along the second mounting base length bearing of trend, when to be located on panel 90 and another senser element being positioned at photograph region 102 downward projection middle position detect display screen detect tool move to optimal location immediately below photograph region 120 time, fourth drive member quits work, optimal location is position, middle, downward projection face, photograph region 102, camera calibration mechanism starts picture shooting, after completing shooting, fourth drive member is reworked, make display screen detect tool to reset, 3rd actuator is reworked subsequently, driving display screen detects tool 20 and moves to the second origin switch position, if it is not be in reference position that display screen detects tool, first control display screen detection tool by the first origin switch and initial point sensing chip and return to reference position, perform aforesaid operations subsequently.
Display screen detects tool motion platform and is used for, in electronic product display screen testing process, realizing the automatic transport of electronic product display screen, and certainly, the motion platform in the present embodiment can also be used for the conveying that other detect tool.
In present embodiment, as shown in Figure 1, detect tool motion platforms for two above-mentioned mutually isostructural display screens detection tools and two above-mentioned mutually isostructural display screens to be described.In other embodiments, do not need to limit the number that display screen detects tool 20 and display screen detection tool motion platform 30, the two can be all one, or is all two, even three.When display screen detects tool 20 and display screen detection tool motion platform 30 is respectively two, each display screen detects tool motion platform 30 and detects tool 20 for carrying a display screen respectively, course of conveying is interval one Preset Time in time, during to ensure that one of them display screen detection tool 20 is in camera site, another display screen electronic product display screen detected in tool 20 completed shooting or just in course of conveying to prepare to take, wherein, two or three or more display screen detect that a tool motion platform 30 is parallel to be arranged between panel 90 and camera calibration mechanism, two or three or more display screen detect the structure of tool motion platform and function mode same as described above, here repeat no more.In addition, the end of a display screen detection tool motion platform is also provided with non-defective unit travelling belt 70 wherein, the end detecting tool motion platform at another display screen is provided with defective products travelling belt 80, draws feeding distribution mechanism 40 and detects the end of tool motion platforms 30, the initiating terminal of non-defective unit travelling belt 70 and the initiating terminal to-and-fro movement of defective products travelling belt 80 at two display screens.
In another embodiment, as shown in Figure 6, be draw the design of feeding distribution mechanism, this absorption feeding distribution mechanism is applied to electronic product display screen as in the sub-material process of mobile phone display screen non-defective unit and defective products.For making to be easier to understand, following embodiment will bring the explanation of electronic product display screen in the lump, is then discussed in the benefit that electronic product display screen is drawn the effect in feeding distribution mechanism and brought again.Certainly, part is sent in the pickup that this absorption feeding distribution mechanism can also be applied to other frivolous sheet materials, as eyeglass, it will be appreciated by persons skilled in the art that the present invention not as limit.
Fig. 6 is the stereographic map of the absorption feeding distribution mechanism of an embodiment of the present invention.As shown in the figure, draw feeding distribution mechanism and comprise X-axis driving module, Z axis driving module, wobble drive part, vacuum cup 408 and vacuum generator 409.Wherein, X-axis drives module to be fixed on camera erecting frame 101, and itself and Z axis drive module interlock, by driving Z axis to drive module crosswise movement, drives vacuum cup 408 synchronization action.Wobble drive part is fixed on Z axis and drives module, it has a swing output terminal, swing output terminal and connect vacuum cup 408, vacuum cup 408 is for drawing or unclamp the electronic product display screen 407 of absorption, realize pickup or send part process, vacuum generator 409 is connected with vacuum cup 408, it is fixed on Z axis and drives on module, for vacuum cup 408 provides vacuum or non-vacuum environment, when vacuum generator 409 is communicated with vacuum cup 408, vacuum cup 408 draws electronic product display screen 407 under vacuum conditions, when vacuum generator 409 and vacuum cup 408 are in non-conducting state, the electronic product display screen 407 drawn by vacuum cup 408 just can be released.In the present embodiment, can be followed Z axis by the electronic product display screen that vacuum cup 408 is drawn drives module to carry out reciprocal longitudinal action, also can follow X-axis drives module to carry out reciprocal crosswise movement, the pendulum angle can also preset according to wobble drive part, reciprocating action within the scope of pendulum angle.In present embodiment, wobble drive part can be oscillating cylinder 405, but the present invention is not as limit.Further, draw feeding distribution mechanism and also comprise vacuum cup installing plate 406, vacuum cup 408 is fixed on vacuum cup installing plate 406, swings output terminal and connects vacuum cup 408 by vacuum cup installing plate 406.Draw in feeding distribution mechanism, the straight line longitudinally referring to as shown in Figure 6 moves up and down direction.
Further, Z axis drives module to comprise the first base plate 401, first stepper motor 402 and the first ball screw 403.First stepper motor 402 is longitudinally arranged at a wherein bottom surface of the first base plate 401, first ball screw 403 is arranged at the first base plate 401, with the first stepper motor 402 homonymy, and be articulated in the first stepper motor 402 output terminal, the first ball screw 403 connects wobble drive part.Vacuum generator 409 is fixed on another bottom surface of the first base plate 401.In the present embodiment, the first stepper motor 402 and the first ball screw 403 can also be replaced by cylinder, utilize cylinder to realize the reciprocating longitudinal motion of vacuum cup 408.
In another change mode, X-axis drives module to comprise: the second base plate 410, second stepper motor 411 and the second ball screw 412; Second stepper motor 411 is horizontally installed on the second base plate 410 wherein on a bottom surface, and the second ball screw 412 and the second stepper motor 411 homonymy, is located at the second base plate 410, and is articulated in the second stepper motor 411 output terminal; Second base plate 410 connects Z axis and drives module.X-axis drives module to drive module crosswise movement by driving Z axis, realizes the traverse motion of vacuum cup 408.Second stepper motor 411 and the second ball screw 413 can also be replaced by cylinder, utilize cylinder to realize the reciprocating transverse movement of vacuum cup.In this absorption feeding distribution mechanism, laterally refer to the direction moved up and down perpendicular to straight line as shown in Figure 6.
In addition, between vacuum generator 409 and vacuum cup 408, be also connected with pressure switch 404, pressure switch 404 is for automatically controlling the connecting and disconnecting of vacuum generator 409 and vacuum cup 408.
The electronic product display screen completing detection detects tool 20 in company with display screen and is doubly conveyed into the first mounting base 301 end, draw feeding distribution mechanism 40 to start, X-axis drives module to drive Z axis to drive module to detect tool 20 to display screen and moves, Z axis drives the downward action of module, wobble drive part interlock vacuum cup 408 turns to display screen accommodating cavity, vacuum cup 408 connected by vacuum generator 409, vacuum cup 408 draws electronic product display screen, wobble drive part interlock vacuum cup 408 turns to non-defective unit travelling belt 70 or defective products travelling belt 80 installation direction, vacuum generator 409 disconnects the connection with vacuum cup, electronic product display screen drops on non-defective unit travelling belt 70 or defective products travelling belt 80.
Feeding distribution mechanism is drawn when being applied to electronic product display screen pickup in the present invention, the automatic part picking of material can be realized by drawing feeding distribution mechanism or send part process, especially be similar to the pickup of electronic product display screen and send part, the cross-contamination issue avoided artificial pickup or send part to produce, and employing vacuum cup, avoid adopting mechanical grip pickup to send the problem that can form cut during part on electronic product display screen.
Be only embodiments of the present invention described in upper, be not limited to the present invention.To those skilled in the art, the present invention can have various modifications and variations.All do in spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within right of the present invention.

Claims (10)

1. a display screen checkout equipment, is characterized in that, comprising:
Camera calibration mechanism, comprising:
Camera erecting frame, is preset with a photograph region bottom it;
Be located at the principal phase machine of described photograph overlying regions; And,
Be distributed at least two auxiliary cameras of described photograph area peripheral edge;
Display screen detects tool, and described display screen detects tool and comprises:
Be located at the jig body below photograph region, its surface has display screen accommodating cavity;
Luminescence component, is located at bottom described display screen accommodating cavity;
Detector probe group, is located at described display screen accommodating cavity side; And,
Signal connector, is fixed on described jig body, and connects described luminescence component and detector probe group;
Wherein, when carrying out display screen and detecting, through described photograph region, described display screen accommodating cavity is positioned at described principal phase machine and auxiliary camera coverage.
2. display screen checkout equipment according to claim 1, is characterized in that:
Wherein said camera calibration mechanism also comprises a polarisation part, and described polarisation part covers described photograph region.
3. display screen checkout equipment according to claim 1, is characterized in that:
Described detector probe group comprises:
Probe installing plate; And,
Be divided into two groups of probe bodies at probe installing plate two ends;
Described probe installing plate is located at described display screen accommodating cavity side;
Often organize described probe bodies to arrange along described display screen accommodating cavity with side frame.
4. display screen checkout equipment according to claim 3, is characterized in that:
Described display screen detects tool and also comprises the first actuator, and described first actuator is fixed on jig body, the longitudinal reciprocating action of probe installing plate described in its drive end interlock.
5. display screen checkout equipment according to claim 3, is characterized in that:
Described display screen detects tool and also comprises the second actuator, and described second actuator is fixed on described jig body, the then probe installing plate transverse reciprocating action described in interlock of its drive end.
6. display screen checkout equipment according to claim 1, is characterized in that, also comprise:
Detect the same number of motion platform of tool with described display screen, described motion platform comprises:
First mounting base;
Be arranged at the first guide member on described first mounting base, display screen described in described first guide member interlock detects tool;
And,
3rd actuator, is located at described first mounting base, in order to drive described first guide member, makes the first guide member drive described display screen to detect tool and moves along described first mounting base.
7. display screen checkout equipment according to claim 6, is characterized in that:
Described motion platform also comprises:
Second mounting base, is fixed on above the first guide member, and described display screen detects tool and is located on described second mounting base;
Second guide member, display screen described in described second guide member interlock detects tool; And,
Fourth drive member, for driving described second guide member, making the second guide member interlock display screen detect tool and moving along described second mounting base;
Wherein, described display screen detection tool is mutually vertical with its direction of motion along described second installing plate along the direction of motion of described first installing plate.
8. display screen checkout equipment according to claim 7, is characterized in that:
Described motion platform also comprises:
First origin switch, detects tool in order to make described display screen and returns back to reference position; And,
Second origin switch, detects tool in order to make described display screen and moves in the first preset strokes of the first mounting base;
Described first origin switch and the second origin switch are divided into the two ends of described first mounting base, and connect the 3rd actuator respectively.
9. display screen checkout equipment according to claim 7, is characterized in that:
Described motion platform also comprises:
Initial point sensing chip, detects tool in order to make described display screen and moves in the second preset strokes of the second mounting base;
Described initial point sensing chip is located at described jig body, and connects described fourth drive member.
10. display screen checkout equipment according to claim 7, is characterized in that, also comprise:
Draw feeding distribution mechanism, be located at the top of described first mounting base and the second mounting base, comprise:
X-axis drives module, is fixed on described camera erecting frame;
Z axis drives module, is linked in described X-axis and drives module;
Wobble drive part, is fixed on described Z axis and drives module, have swing output terminal;
Vacuum cup, is connected to described swing output terminal;
Vacuum generator, is connected with described vacuum cup;
Wherein, described vacuum cup to-and-fro movement is in the end of the first mounting base and the second mounting base.
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CN108594483A (en) * 2018-04-04 2018-09-28 Oppo广东移动通信有限公司 The test method of display screen test fixture and display screen
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CN114778477A (en) * 2022-03-27 2022-07-22 合肥三利谱光电科技有限公司 Polaroid model identification method
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CN114740021A (en) * 2022-06-10 2022-07-12 苏州鼎纳自动化技术有限公司 Automatic glasses detection device and detection method

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