CN204154473U - A kind of LENS core shift testing fixture - Google Patents
A kind of LENS core shift testing fixture Download PDFInfo
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- CN204154473U CN204154473U CN201420639295.2U CN201420639295U CN204154473U CN 204154473 U CN204154473 U CN 204154473U CN 201420639295 U CN201420639295 U CN 201420639295U CN 204154473 U CN204154473 U CN 204154473U
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Abstract
The utility model relates to a kind of LENS core shift testing fixture.This core shift testing fixture comprise connection platform and can horizontal transmission to the backlight lamp bar on connection platform, X-axis motion, Y-axis motion, testing agency and display is sequentially provided with above connection platform, pick-up unit can move reciprocatingly along X-direction and Y direction respectively under the driving of X-axis motion, Y-axis motion, thus the actual detection position of adjustable pick-up unit.The utility model LENS core shift testing fixture, by the amplification of ccd image sensor and CCD camera lens, real-time image is shown on display, the LENS core shift inspection to the optional position on whole backlight lamp bar can be realized, improve the workability checked, also defective products can be revised by checking, decrease the quantity of final defective products, reduce fraction defective, improve quality.
Description
Technical field
The utility model relates to optical detection correlative technology field, particularly relates to a kind of LENS core shift testing fixture whether producing core shift for the geometric center of LENS in downward back light modulation bar and the luminescent center of LED.
Background technology
At present, downward back light modulation bar (is called for short: the core shift error requirements of geometric center LB LENS) and the luminescent center of LED is within ± 0.10mm, even higher, function detects core shift value market to have core shift check, but be after LENS mounts solidification, even if detecting product devious has been also defective products.But in attachment before LENS Post RDBMS, detect the core shift precision of the geometric center of LENS and the luminescent center of LED, the direction according to core shift is manually revised with how many again, reduces bad.Mode has two kinds, and one is by lightening LED lamp, and the only no uniformity come out after confirming light transmission LENS, whether the edge of LENS has exists light leakage phenomena.But the light leak that the slight core shift of the luminescent center of the geometric center of LENS and LED causes is very not obvious, people is visual cannot determine whether core shift by light leak, only has that comparatively serious light leak is visual just can be found out.The homogeneity that the second way is exposed in the central ring of LENS by four angles of visual confirmation LED.But the length at 4 angles of exposing due to LED also only has about 0.35mm, and across this translucent material of LENS, is comparatively difficult to see the uniformity consistency that four angles are exposed.These two kinds of operating types, workability is all poor, and the visual assurance to standard is very inaccurate, easily causes the bad outflow of core shift.
Summary of the invention
The purpose of this utility model is to provide a kind of LENS core shift testing fixture whether producing core shift for the geometric center of LENS in downward back light modulation bar and the luminescent center of LED.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of LENS core shift testing fixture, it comprises connection platform, and can horizontal transmission to the lamp batten on connection platform, described lamp batten comprises a substrate, and along Y direction array arrangement many backlight lamp bars on the substrate, described backlight lamp bar comprises one along the rectangular circuit board of X-direction, and the multiple LED be evenly arranged in along X-direction on described circuit board, the vertical direction of described LED LENS lens have been mounted respectively, described connection platform comprises platform, be arranged on the electric box on platform, two are vertically set on the location-plate above platform side by side along X-direction, and parallel two main guide rails being fixed on location-plate upper surface respectively, the cross section of described main guide rail is in " work " font, described core shift testing fixture also comprises: be arranged on above described main guide rail, and the X-axis motion that can move reciprocatingly along X-direction, to be arranged on above described X-axis motion and the Y-axis motion that can move reciprocatingly along Y direction, to be fixedly installed on above described Y-axis motion and the inspection body that can move reciprocatingly along Y direction, and the display to be electrically connected with described inspection body.
In a preferred embodiment, described X-axis motion comprises: multiple respectively symmetrical be fixed on described main guide rail upper surface and X-axis fixed block in L shape, longitudinal plate of described X-axis fixed block slides by the groove of securing member along main guide rail side, and its transverse plate is fixed on the upper surface of described main guide rail; Two are set in parallel in described main guide rail upper surface and the X-axis guide rail be fixedly connected with the upper surface of described X-axis fixed block respectively; And two to be separately positioned on above described X-axis guide rail and the X-axis movable block that can move reciprocatingly along described X-axis guide rail direction.
In a preferred embodiment, described Y-axis motion comprises: be fixed on X-axis mobile platform that is above two described X-axis guide rails and that be fixedly connected with described X-axis slide block along Y direction bridge joint; Two are disposed in parallel in the Y-axis guide rail above described X-axis mobile platform along Y direction; And two to be separately positioned on above described Y-axis guide rail and the Y-axis movable block that can move reciprocatingly along described Y-axis guide rail direction.
In a preferred embodiment, described inspection body comprises: the separable Y-axis mobile platform being fixed on described Y-axis movable block upper surface; Be fixed on the DOCK LEVELER of described Y-axis mobile platform upper surface; Be fixed on the handle of described Y-axis mobile platform upper surface; Be arranged on described DOCK LEVELER top and the set collar of vertical described DOCK LEVELER; Be fixed on the ccd image sensor above described set collar; And the CCD camera lens be vertically fixed on below described set collar.
In a preferred embodiment, the two ends of described X-axis mobile platform are formed respectively can first fixed orifice corresponding with the X-axis slide block above described X-axis guide rail and the second fixed orifice, and described first fixed orifice and/or described second fixed orifice are strip and parallel Y direction is arranged; The DOCK LEVELER of described inspection body is formed with the height adjusting holes that is strip, described height adjusting holes is arranged in vertical direction, and described set collar can be adjustable along described height adjusting holes upper-lower height position.
The beneficial effect of the utility model LENS core shift testing fixture is: the backlight lamp bar that this core shift testing fixture comprises connection platform and can be sent in the horizontal direction on connection platform, X-axis motion, Y-axis motion, testing agency and display is sequentially provided with above connection platform, pick-up unit can move reciprocatingly along X-direction and Y direction respectively under the driving of X-axis motion, Y-axis motion, thus the actual detection position of adjustable pick-up unit.The utility model LENS core shift testing fixture, by the amplification of ccd image sensor and CCD camera lens, real-time image is shown on display, the LENS core shift inspection to the optional position on whole backlight lamp bar can be realized, improve the workability checked, by checking, defective products is revised, decrease the quantity of final defective products, reduce fraction defective, improve quality.
Accompanying drawing explanation
Fig. 1 is the perspective view of LENS core shift testing fixture in an embodiment.
Fig. 2 is the perspective exploded view of LENS core shift testing fixture in an embodiment.
Fig. 3 is the perspective exploded view of inspection body in Fig. 2.
Fig. 4 is the perspective exploded view of Y-axis motion in Fig. 2.
Fig. 5 is the perspective exploded view of X-axis motion in Fig. 2.
Fig. 6 is the schematic perspective view of lamp batten in Fig. 2.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, LENS core shift testing fixture of the present utility model is described in further detail.
A kind of LENS core shift testing fixture, whether it produces core shift mainly in downward back light modulation bar, for the luminescent center of the geometric center and LED that check LENS.
Refer to Fig. 1, a kind of LENS core shift testing fixture, it lamp batten 10 comprising connection platform 60 and can be sent in the horizontal direction on connection platform 60, the display 50 being sequentially provided with X-axis motion 20, Y-axis motion 30, testing agency 40 and being electrically connected with testing agency 40 above connection platform 60.
Please simultaneously see Fig. 2 and Fig. 6, lamp batten 10 comprises a substrate 13 and along Y direction array arrangement many backlight lamp bars 14 on the substrate 13, backlight lamp bar 14 comprises a rectangular circuit board 12 and does not look along multiple LED(figure that X-direction is evenly arranged on circuit board 14), the vertical direction of LED has mounted LENS lens 11 respectively.
Connection platform 60 is common standard device, and it comprises platform 64, be arranged on electric box 63, two on platform 64 is vertically set on location-plate 62 above platform 64 and parallel two main guide rails 61 being fixed on location-plate 62 upper surface respectively side by side along X-direction; Lamp batten 10 is sent between two main guide rails 61 by belt, and the spacing between two main guide rails 61 regulates at least one location-plate 62, to make it change relative to the distance between another location-plate 62 by screw mandrel.
Preferably, X-axis motion 20 is arranged on the top of main guide rail 61 and can moves reciprocatingly along X-direction; Y-axis motion 30 is arranged on the top of X-axis motion 20 and can moves reciprocatingly along Y direction; Inspection body 40 is fixedly installed on the top of Y-axis motion 30 and can moves reciprocatingly along Y direction.
Please simultaneously see Fig. 5, X-axis motion 20 comprise multiple respectively symmetrical be fixed on main guide rail 61 upper surface and X-axis fixed block 23 in L shape, longitudinal plate of X-axis fixed block 23 is by groove slide, its transverse plate be fixed on main guide rail 61 the upper surface of securing member along main guide rail 61 side; The upper surface of main guide rail 61 is also arranged with two X-axis guide rails 21 respectively in parallel, and X-axis guide rail 21 is fixedly connected with the upper surface of X-axis fixed block 23; The top of X-axis guide rail 21 is also respectively arranged with two X-axis slide blocks 22, and X-axis slide block 22 can move reciprocatingly along X-axis guide rail 21 direction.
Please simultaneously see Fig. 4, Y-axis motion 30 comprises: be fixed on X-axis mobile platform 31 that is above two X-axis guide rails 21 and that be fixedly connected with X-axis slide block 22 along Y direction bridge joint; The top of X-axis mobile platform 31 is provided with two and is set up in parallel Y-axis guide rail 32 along Y direction; The top of Y-axis guide rail 32 is respectively arranged with two Y-axis movable blocks 33 that can move reciprocatingly along Y-axis guide rail 32 direction.The two ends of X-axis mobile platform 31 form the first fixed orifice 311 and the second fixed orifice 312 that can be corresponding with the X-axis slide block 22 above X-axis guide rail 32 respectively, first fixed orifice 311 and/or the second fixed orifice 312 are strip and the setting of parallel Y direction, when distance between two location-plates 62 below it changes, securing member can be utilized to position Y-axis motion 30 in the position of the first fixed orifice 311 and/or the second fixed orifice 312.
Please simultaneously see Fig. 3, inspection body 40 comprises a separable Y-axis mobile platform 41 being fixed on Y-axis movable block 33 upper surface; The top of Y-axis mobile platform 41 be vertically installed with respectively a DOCK LEVELER be fixed on described Y-axis mobile platform upper surface DOCK LEVELER 42 and for promoting the handle 46 of Y-axis mobile platform 41 along Y-axis guide rail 32 direction movement; The set collar 44 of a vertical height adjustable plate 42 is provided with on the top of DOCK LEVELER 42; The top of set collar 44 is fixed with a ccd image sensor 43, its downward vertical fixes a CCD camera lens 45.DOCK LEVELER 42 is formed the height adjusting holes 421 that is strip, this height adjusting holes 421 is arranged in vertical direction, set collar 44 can pump along height adjusting holes 421 direction, utilize a securing member through height adjusting holes 421 and be fixedly connected with set collar 44, the to-and-fro movement of set collar 44 on DOCK LEVELER 42 can be limited, thus make set collar 44 can be adjustable along the upper-lower height position of height adjusting holes 421.
During assembling, first according to the distance between width adjusting two location-plates of backlight lamp bar, then X-axis fixed block is separately fixed at the top of main guide rail, X-axis guide rail is separately fixed on the X-axis fixed block above main guide rail, X-axis slide block is fixed on above X-axis guide rail, X-axis mobile platform is fixed on X-axis slide block, Y-axis guide rail is fixed on the top of X-axis mobile platform, Y-axis movable block is separately fixed on Y-axis guide rail, then the Y-axis mobile platform of inspection body is fixed on Y-axis movable block, according to the position of LENS on backlight lamp bar to be measured, promotion handle can be taken advantage of a situation and be regulated the position of Y-axis mobile platform on Y-axis guide rail, and according to the area coverage of LENS, the height of adjustable CCD camera lens, LENS to be measured is covered completely to enable its image pickup scope.
During actual detection, first according to the position of LENS on backlight lamp bar to be measured, and the area coverage of LENS, regulate the position of inspection body in X-axis and Y-axis and realize location, and then regulate the height of CCD camera lens and locate, two edges relative when backlight lamp bar insert two main guide rails respectively, and when moving to immediately below CCD camera lens along main guide rail direction, CCD camera lens can the geometric center of the current LENS of Real-time Collection and the location drawing picture of the luminescent center of LED below it, by ccd image sensor, the image collected is shown over the display again, regulate the display multiple of display can be observed LENS geometric center and below it luminescent center of LED whether produce core shift, arrive this, detect and terminate.
To sum up, the utility model LENS core shift testing fixture, comprise connection platform and this connection platform backlight lamp bar can be inserted in the horizontal direction, X-axis motion, Y-axis motion, testing agency and display is sequentially provided with above connection platform, pick-up unit can move reciprocatingly along X-direction and Y direction respectively under the driving of X-axis motion, Y-axis motion, thus the actual detection position of adjustable pick-up unit.The utility model LENS core shift testing fixture, by ccd image sensor and CCD camera lens amplification real-time image is shown on display, the LENS core shift inspection to the optional position on whole backlight lamp bar can be realized, improve the workability checked, by checking, defective products is revised, decrease the quantity of final defective products, reduce fraction defective, improve quality.
Although carry out in conjunction with above specific embodiment description of the present utility model, those skilled in the art can carry out many replacements, modifications and variations, be apparent according to above-mentioned content.Therefore, all like this substitute, improve and change be all included in the spirit and scope of attached claim.
Claims (5)
1. a LENS core shift testing fixture, it comprises connection platform, and can horizontal transmission to the lamp batten on connection platform, described lamp batten comprises a substrate, and along Y direction array arrangement many backlight lamp bars on the substrate, described backlight lamp bar comprises one along the rectangular circuit board of X-direction, and the multiple LED be evenly arranged in along X-direction on described circuit board, the vertical direction of described LED LENS lens have been mounted respectively, described connection platform comprises platform, be arranged on the electric box on platform, two are vertically set on the location-plate above platform side by side along X-direction, and parallel two main guide rails being fixed on location-plate upper surface respectively, the cross section of described main guide rail is in " work " font, it is characterized in that, described core shift testing fixture also comprises:
To be arranged on above described main guide rail and the X-axis motion that can move reciprocatingly along X-direction;
To be arranged on above described X-axis motion and the Y-axis motion that can move reciprocatingly along Y direction;
To be fixedly installed on above described Y-axis motion and the inspection body that can move reciprocatingly along Y direction; And
The display be electrically connected with described inspection body.
2. LENS core shift testing fixture according to claim 1, is characterized in that, described X-axis motion comprises:
Multiple respectively symmetrical be fixed on described main guide rail upper surface and X-axis fixed block in L shape, longitudinal plate of described X-axis fixed block slides by the groove of securing member along main guide rail side, and its transverse plate is fixed on the upper surface of described main guide rail;
Two are set in parallel in described main guide rail upper surface and the X-axis guide rail be fixedly connected with the upper surface of described X-axis fixed block respectively; And
Two to be separately positioned on above described X-axis guide rail and the X-axis movable block that can move reciprocatingly along described X-axis guide rail direction.
3. LENS core shift testing fixture according to claim 2, is characterized in that, described Y-axis motion comprises:
X-axis mobile platform that is above two described X-axis guide rails and that be fixedly connected with described X-axis slide block is fixed on along Y direction bridge joint;
Two are disposed in parallel in the Y-axis guide rail above described X-axis mobile platform along Y direction; And
Two to be separately positioned on above described Y-axis guide rail and the Y-axis movable block that can move reciprocatingly along described Y-axis guide rail direction.
4. LENS core shift testing fixture according to claim 3, it is characterized in that, described inspection body comprises:
The separable Y-axis mobile platform being fixed on described Y-axis movable block upper surface;
Be fixed on the DOCK LEVELER of described Y-axis mobile platform upper surface;
Be fixed on the handle of described Y-axis mobile platform upper surface;
Be arranged on described DOCK LEVELER top and the set collar of vertical described DOCK LEVELER;
Be fixed on the ccd image sensor above described set collar; And
Be vertically fixed on the CCD camera lens below described set collar.
5. LENS core shift testing fixture according to claim 4, it is characterized in that, the two ends of described X-axis mobile platform are formed respectively can first fixed orifice corresponding with the X-axis slide block above described X-axis guide rail and the second fixed orifice, and described first fixed orifice and/or described second fixed orifice are strip and parallel Y direction is arranged; The DOCK LEVELER of described inspection body is formed with the height adjusting holes that is strip, described height adjusting holes is arranged in vertical direction, and described set collar can be adjustable along described height adjusting holes upper-lower height position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420639295.2U CN204154473U (en) | 2014-10-31 | 2014-10-31 | A kind of LENS core shift testing fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420639295.2U CN204154473U (en) | 2014-10-31 | 2014-10-31 | A kind of LENS core shift testing fixture |
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| CN204154473U true CN204154473U (en) | 2015-02-11 |
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| CN201420639295.2U Active CN204154473U (en) | 2014-10-31 | 2014-10-31 | A kind of LENS core shift testing fixture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106933257A (en) * | 2017-03-15 | 2017-07-07 | 无锡百立德自动化有限公司 | Chip intelligent check machine detent mechanism |
| CN109186755A (en) * | 2018-08-20 | 2019-01-11 | 北京国科世纪激光技术有限公司 | A kind of energy of lasers monitoring device |
| CN110389023A (en) * | 2019-08-20 | 2019-10-29 | 苏州天孚精密光学有限公司 | A kind of Lens scanning coupling measurement board |
-
2014
- 2014-10-31 CN CN201420639295.2U patent/CN204154473U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106933257A (en) * | 2017-03-15 | 2017-07-07 | 无锡百立德自动化有限公司 | Chip intelligent check machine detent mechanism |
| CN106933257B (en) * | 2017-03-15 | 2023-10-13 | 广西中科阿尔法科技有限公司 | Positioning mechanism of chip intelligent inspection machine |
| CN109186755A (en) * | 2018-08-20 | 2019-01-11 | 北京国科世纪激光技术有限公司 | A kind of energy of lasers monitoring device |
| CN109186755B (en) * | 2018-08-20 | 2021-02-12 | 北京国科世纪激光技术有限公司 | Laser energy monitoring device |
| CN110389023A (en) * | 2019-08-20 | 2019-10-29 | 苏州天孚精密光学有限公司 | A kind of Lens scanning coupling measurement board |
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