CN111929282A - Local light transmission performance testing mechanism for product - Google Patents
Local light transmission performance testing mechanism for product Download PDFInfo
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- CN111929282A CN111929282A CN202011015267.XA CN202011015267A CN111929282A CN 111929282 A CN111929282 A CN 111929282A CN 202011015267 A CN202011015267 A CN 202011015267A CN 111929282 A CN111929282 A CN 111929282A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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Abstract
The invention discloses a product local light transmission performance testing mechanism which comprises a jig unit, a clamp unit, a visual detection unit and a manipulator, wherein the jig unit comprises a jig, the jig comprises a bottom plate, a light source arranged on the bottom plate and a light shading cover body covering the light source and connected to the bottom plate, the light shading cover body is provided with at least one light transmission hole, light emitted by the light source is emitted from the light transmission hole and illuminates the light transmission part of a product, the visual detection unit comprises at least one visual detection device arranged above the jig and used for carrying out visual detection on the light transmission part of the product, and the manipulator comprises a grabbing device which is used for grabbing the product in a releasable and lifting mode. By arranging the light-transmitting jig and the visual detection device, the invention can ensure the polishing requirement of local characteristics and complete the performance test by a visual detection method.
Description
Technical Field
The invention relates to the field of product testing, in particular to a mechanism for testing local light transmittance of a product.
Background
Some products need set up the printing opacity portion, need detect the printing opacity performance of printing opacity portion, and among the prior art, the illuminating part through light source module provides an incident light and produces a transmission light to printing opacity portion, through the photosensitive resistance sensor response the intensity of transmission light produces an analog signal, converts analog signal into a digital signal through an AD conversion module, handles digital signal and calculates the luminousness (the transmittance) of the product that awaits measuring through a singlechip. The method is more suitable for detecting the light-transmitting part with a small area, and how to detect the light-transmitting part with a large area of the product is an urgent problem to be solved in the field.
Disclosure of Invention
The invention aims to provide a product local light transmission performance testing mechanism suitable for detecting a light transmission part with a large area of a product.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a local light transmission performance accredited testing organization of product for the light transmission performance to the printing opacity portion of product detects, local light transmission performance accredited testing organization of product includes:
the jig unit comprises a jig for bearing a product, the jig comprises a bottom plate, a light source arranged on the bottom plate and a light shading cover body covering the light source and connected to the bottom plate, the light shading cover body is provided with at least one light transmitting hole, and light emitted by the light source is emitted from the light transmitting hole and illuminates the light transmitting part of the product;
the clamp unit comprises a bedplate which is relatively fixed with the bottom plate and is arranged on the periphery of the shading cover body and a plurality of clamps which are arranged on the bedplate and are positioned on the periphery of the product, wherein at least one of the plurality of clamps is a movable clamp which can move along the direction close to or far away from the product;
the visual detection unit comprises at least one visual detection device which is arranged above the jig and is used for carrying out visual detection on the light transmission part of the product;
a robot arm comprising gripping means for releasably gripping a product and arranged to be elevated.
Furthermore, the clamp unit comprises four clamps which are uniformly distributed on the periphery of the product and are opposite in pairs, wherein one of the two opposite clamps is a fixed clamp, and the other clamp is the movable clamp.
Further, the position of the fixing clamp can be adjusted.
Further, the movable clamp moves in the direction of being close to the product at an elastic component's power of restoring to the throne effort, the movable clamp still with an unblock part relatively fixed, grabbing device still props claw relatively fixed with one, grabbing device is down so that prop the claw down and promote unblock part moves in the direction of keeping away from the product, unblock part moves in the direction of keeping away from the product in order to drive movable clamp overcomes elastic component's power of restoring to the throne effort moves in the direction of keeping away from the product, grabbing device goes upward so that prop the claw and release unblock part under elastic component's the power of restoring to the throne effect, unblock part moves in the direction of being close to the product in order to drive movable clamp moves in the direction of being close to the product.
Furthermore, one of the unlocking component and the supporting claw is provided with an inclined surface, the other one is a roller capable of rotating around the horizontal direction, and the inclined surface is matched with the roller.
Furthermore, the unlocking component is the roller, and the supporting claw is provided with an inclined plane.
Further, the light shading cover body is provided with a plurality of light holes, one of them the light hole is first light hole, and all the other the light hole is the second light hole, under product printing opacity portion was located to first light hole, the second light hole was located the periphery of first light hole, visual detection unit includes a plurality of visual detection device, one of them visual detection device is first visual detection device, all the other visual detection device is second visual detection device, the perpendicular downward printing opacity portion to the product of camera lens of first visual detection device, the camera lens of second visual detection device is oblique right the printing opacity portion of product, just the camera lens orientation of second visual detection device rather than the below jet out the light beam direction in the second light hole is parallel.
Furthermore, the jig is rotatably arranged in the vertical direction, and the lens of the second visual detection device faces and rotates to be parallel to the direction of the light beam emitted from the second light hole below the second visual detection device.
Further, the visual detection device is a CCD device.
Further, the gripping device is a vacuum suction head.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the product local light transmission performance testing mechanism disclosed by the invention, the light transmission jig and the visual detection device are arranged, so that the polishing requirement of local characteristics can be ensured, and the performance test is completed by a visual detection method.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that some of the drawings in the following description are embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of the position relationship between a jig unit and a vision inspection unit according to the present invention;
FIG. 2 is a top view of the position relationship between the jig unit and the clamp unit according to the present invention;
FIG. 3 is a front view showing the positional relationship among the jig unit, and the robot according to the present invention;
FIG. 4 is a top view of the position relationship of the jig unit, the clamping unit and the robot according to the present disclosure;
fig. 5 is a perspective view of the light shielding cover disclosed in the present invention.
Wherein, 11, the bottom plate; 12. a light-shielding cover body; 13. a first light-transmitting hole; 14. a second light-transmitting hole; 21. a platen; 22. a movable clamp; 23. fixing the clamp; 24. an elastic member; 25. an unlocking member; 31. a gripping device; 32. supporting claws; 33. a bevel; 41. a first visual inspection device; 42. and a second visual inspection device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 5, as shown in the drawings, a product partial light transmittance testing mechanism is used for detecting light transmittance of a light transmittance portion of a product, and includes:
the jig unit comprises a jig for bearing a product, the jig comprises a bottom plate 11, a light source (not shown in the figure) arranged on the bottom plate 11 and a light shielding cover body 12 covering the light source and connected to the bottom plate 11, the light shielding cover body 12 is provided with at least one light transmitting hole, and light emitted by the light source is emitted from the light transmitting hole and illuminates the light transmitting part of the product;
a clamp unit which comprises a bedplate 21 which is fixed relative to the bottom plate 11 and is arranged at the periphery of the shading cover body 12 and a plurality of clamps which are arranged on the bedplate 21 and are positioned at the periphery of the product, wherein at least one of the plurality of clamps is a movable clamp 22 which can move along the direction close to or far away from the product;
the visual detection unit comprises at least one visual detection device which is arranged above the jig and is used for carrying out visual detection on the light transmission part of the product;
a robot arm comprising gripping means 31 for releasably gripping the product and arranged elevationally.
In the preferred embodiment of the present invention, the clamp unit includes four clamps which are uniformly distributed around the product and are opposite to each other in pairs, wherein one of the two opposite clamps is a fixed clamp 23, and the other clamp is a movable clamp 22.
In the preferred embodiment of the present embodiment, the fixing jig 23 is provided with an adjustable position.
In the preferred embodiment of the present invention, the movable clamp 22 moves in the direction close to the product under the action of the resetting force of an elastic component 24, the movable clamp 22 is further fixed relative to an unlocking component 25, the gripping device 31 is further fixed relative to a supporting claw 32, the gripping device 31 moves downward to make the supporting claw 32 move downward and push the unlocking component 25 to move in the direction away from the product, the unlocking component 25 moves in the direction away from the product to drive the movable clamp 22 to move in the direction away from the product against the action of the resetting force of the elastic component 24, the gripping device 31 moves upward to make the supporting claw 32 move upward and release the unlocking component 25, and under the action of the resetting force of the elastic component 24, the unlocking component 25 moves in the direction close to the product and drives the movable clamp 22 to move in the direction close to the product.
In the preferred embodiment of the present embodiment, the unlocking member 25 is a roller rotatable in the horizontal direction, and the supporting claw 32 is provided with a slope 33.
In a preferred embodiment of this embodiment, the light shielding cover body 12 is provided with a plurality of light holes, one of the light holes is a first light hole 13, the other light holes are second light holes 14, the first light hole 13 is disposed right below the light transmitting portion of the product, the second light hole 14 is disposed at the periphery of the first light hole 13, the visual inspection unit includes a plurality of visual inspection devices, one of the visual inspection devices is a first visual inspection device 41, the other visual inspection devices is a second visual inspection device 42, a lens of the first visual inspection device 41 is vertically and downwardly aligned with the light transmitting portion of the product, a lens of the second visual inspection device 42 is obliquely aligned with the light transmitting portion of the product, and a lens of the second visual inspection device 42 faces a direction parallel to a light beam emitted from the second light hole 14 below the lens.
In the preferred embodiment of the present invention, the jig is rotatably disposed around the vertical direction, and the lens of the second visual inspection device 42 faces the direction parallel to the direction of the light beam emitted from the second light-transmitting hole 14 rotated to the lower side.
In a preferred embodiment of this embodiment, the visual inspection device is a CCD device.
In a preferred embodiment of this embodiment, the gripping means 31 is a vacuum suction head.
The following describes the working process of the local light transmittance testing mechanism of the product in this embodiment, including the following steps:
(1) the gripping device 31 grips the product and drives the supporting claws 32 to move downwards, the supporting claws 32 move downwards to push the unlocking part 25 to move along the direction far away from the product, and the unlocking part 25 moves along the direction far away from the product to drive the movable clamp 22 to overcome the reset force acting force of the elastic part 24 to move along the direction far away from the product;
(2) the gripping device 31 places the product on the jig, and the gripping device 31 releases the product;
(3) the gripping device 31 moves upwards and drives the supporting claw 32 to move upwards, the supporting claw 32 moves upwards and releases the unlocking part 25, and under the action of the resetting force of the elastic part 24, the unlocking part 25 moves along the direction close to the product and drives the movable clamp 22 to move along the direction close to the product and clamp the product;
(4) the first visual detection device 41 and the second visual detection device 42 perform photographing detection on the product, the jig is rotated by 90 degrees, 180 degrees and 270 degrees in sequence, and the first visual detection device 41 and the second visual detection device 42 perform photographing detection on the product every time the jig is rotated;
(5) the gripping device 31 moves downwards and drives the supporting claws 32 to move downwards, the supporting claws 32 move downwards to push the unlocking part 25 to move along the direction far away from the product, and the unlocking part 25 moves along the direction far away from the product to drive the movable clamp 22 to overcome the action force of the resetting force of the elastic part 24 to move along the direction far away from the product and loosen the product;
(6) the gripping device 31 is used for gripping the product from the jig and then moving upwards.
In this embodiment, shoot with the first visual detection device of cooperation through setting up first light trap, shoot with the cooperation second visual detection device through the second light trap, if not set up the second light trap, the shadow problem can appear when the second visual detection device shoots, unable accurate detection.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a local light transmission performance accredited testing organization of product for the light transmission performance to the printing opacity portion of product detects, a serial communication port, local light transmission performance accredited testing organization of product includes:
the jig unit comprises a jig for bearing a product, the jig comprises a bottom plate, a light source arranged on the bottom plate and a light shading cover body covering the light source and connected to the bottom plate, the light shading cover body is provided with at least one light transmitting hole, and light emitted by the light source is emitted from the light transmitting hole and illuminates the light transmitting part of the product;
the clamp unit comprises a bedplate which is relatively fixed with the bottom plate and is arranged on the periphery of the shading cover body and a plurality of clamps which are arranged on the bedplate and are positioned on the periphery of the product, wherein at least one of the plurality of clamps is a movable clamp which can move along the direction close to or far away from the product;
the visual detection unit comprises at least one visual detection device which is arranged above the jig and is used for carrying out visual detection on the light transmission part of the product;
a robot arm comprising gripping means for releasably gripping a product and arranged to be elevated.
2. The mechanism of claim 1, wherein the clamp unit comprises four clamps distributed around the product and opposite to each other in pairs, one of the two clamps is a fixed clamp, and the other clamp is the movable clamp.
3. The mechanism of claim 2, wherein the fixture is adjustably positionable.
4. The mechanism of claim 1, wherein the movable clamp is moved in a direction close to the product under a restoring force of an elastic member, the movable clamp is also relatively fixed with an unlocking part, the gripping device is also relatively fixed with a supporting claw, the gripping device descends to make the supporting claw descend and push the unlocking component to move in the direction far away from the product, the unlocking component moves along the direction far away from the product to drive the movable clamp to overcome the reset force acting force of the elastic component and move along the direction far away from the product, the grabbing device moves upwards to enable the supporting claw to move upwards and release the unlocking component, under the action of the reset force of the elastic component, the unlocking component moves along the direction close to the product so as to drive the movable clamp to move along the direction close to the product.
5. The mechanism for testing partial light transmittance of a product according to claim 4, wherein one of the unlocking member and the supporting claw is provided with an inclined surface, the other one is a roller rotatable around the horizontal direction, and the inclined surface is matched with the roller.
6. The mechanism for testing partial light transmittance of a product as claimed in claim 5, wherein the unlocking member is the roller, and the supporting claw is provided with a slant surface.
7. The mechanism for testing partial light transmittance of a product according to claim 1, wherein the light-shielding cover is provided with a plurality of light-transmitting holes, one of the light holes is a first light hole, the other light holes are second light holes, the first light hole is arranged under the light-transmitting part of the product, the second light hole is arranged at the periphery of the first light hole, the visual detection unit comprises a plurality of visual detection devices, wherein one of the visual inspection devices is a first visual inspection device, and the other visual inspection devices are second visual inspection devices, the lens of the first visual detection device is vertically and downwards opposite to the light transmission part of the product, the lens of the second visual detection device is obliquely opposite to the light transmission part of the product, and the lens of the second visual detection device faces to be parallel to the direction of the light beam emitted from the second light hole below the lens.
8. The mechanism of claim 7, wherein the fixture is rotatable in a vertical direction, and a lens of the second visual inspection device faces a direction parallel to a direction of the light beam emitted from the second light hole rotated therebelow.
9. The mechanism for testing partial light transmittance of a product according to claim 1, wherein the visual inspection device is a CCD device.
10. The mechanism for testing partial light transmittance of a product according to claim 1, wherein the gripping device is a vacuum suction head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015267.XA CN111929282B (en) | 2020-09-24 | 2020-09-24 | Local light transmission performance testing mechanism for product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015267.XA CN111929282B (en) | 2020-09-24 | 2020-09-24 | Local light transmission performance testing mechanism for product |
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| Publication Number | Publication Date |
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| CN111929282A true CN111929282A (en) | 2020-11-13 |
| CN111929282B CN111929282B (en) | 2021-04-20 |
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| CN202011015267.XA Active CN111929282B (en) | 2020-09-24 | 2020-09-24 | Local light transmission performance testing mechanism for product |
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| CN206311503U (en) * | 2017-01-04 | 2017-07-07 | 苏州市群友精密机械有限公司 | Device for detecting light transmittance |
| CN209559761U (en) * | 2019-02-27 | 2019-10-29 | 苏州鼎纳自动化技术有限公司 | Glass transmission rate testing agency |
| CN210547619U (en) * | 2019-05-28 | 2020-05-19 | 深圳市图谱锐科技有限公司 | Electronic components automatic clamping device that opens and shuts |
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2020
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201051076Y (en) * | 2007-06-14 | 2008-04-23 | 比亚迪股份有限公司 | Mobile phone key light penetration detection device |
| CN201876420U (en) * | 2010-11-17 | 2011-06-22 | 合肥美菱股份有限公司 | Light transmittance tester |
| CN104792741A (en) * | 2014-01-17 | 2015-07-22 | 宸鸿科技(厦门)有限公司 | Light transmittance measurement equipment |
| CN204422417U (en) * | 2014-12-29 | 2015-06-24 | 北京兴科迪科技有限公司 | Inside-automobile rear mirror button printing nonopaque pick-up unit |
| CN205049479U (en) * | 2015-10-16 | 2016-02-24 | 歌尔声学股份有限公司 | A light source module and luminousness detection device for luminousness detection device |
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| CN210547619U (en) * | 2019-05-28 | 2020-05-19 | 深圳市图谱锐科技有限公司 | Electronic components automatic clamping device that opens and shuts |
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| CN111929282B (en) | 2021-04-20 |
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