CN107367236B - Level gauge - Google Patents

Level gauge Download PDF

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Publication number
CN107367236B
CN107367236B CN201710753763.7A CN201710753763A CN107367236B CN 107367236 B CN107367236 B CN 107367236B CN 201710753763 A CN201710753763 A CN 201710753763A CN 107367236 B CN107367236 B CN 107367236B
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CN
China
Prior art keywords
contact block
lens
seat
glass
light source
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Active
Application number
CN201710753763.7A
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Chinese (zh)
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CN107367236A (en
Inventor
何昌勇
何子唯
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Dongguan Tai Cheng Photoelectric Co ltd
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Dongguan Tai Cheng Photoelectric Co ltd
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Priority to CN201710753763.7A priority Critical patent/CN107367236B/en
Publication of CN107367236A publication Critical patent/CN107367236A/en
Application granted granted Critical
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0608Height gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention relates to the technical field of voice coil motor production equipment, in particular to a horizontal height measuring instrument for producing a lens module of a voice coil motor; the light source cavity, the glass seat, the vertical tube and the lens seat are sequentially and longitudinally connected; a reticle mark plate is arranged between the light source cavity and the glass seat, a CCD connector which is horizontally arranged is arranged on the side surface of the glass seat, a glass plate is arranged in the glass seat, the glass plate is positioned right below the reticle mark plate, the glass plate is obliquely arranged towards the CCD connector, and the included angle between the glass plate and the horizontal line is 45 degrees; a height gauge is arranged in the vertical pipe; a lens is arranged in the lens seat, the lens is horizontally arranged, a through hole is formed in the middle of the lens, and the altimeter is vertically arranged and penetrates through the through hole; the lower end of the lens seat is connected with a contact block fixing seat, a contact block is placed in the contact block fixing seat, the bottom of the contact block is provided with a convex part, and the convex part protrudes out of the contact block fixing seat; the bottom end of the altimeter is contacted with the top surface of the contact block; the object to be measured contacts with the contact block, so that the horizontal height can be rapidly and accurately judged.

Description

Level gauge
Technical Field
The invention relates to the technical field of voice coil motor production equipment, in particular to a level gauge for producing a lens module of a voice coil motor.
Background
In the production of voice coil motor, the relative levelness of camera lens and sensor, the relative height (focal length) of camera lens and sensor influence the imaging quality of product, at present few instrument that can carry out accurate measurement to levelness and height when assembling the camera lens, and the deviation in levelness and the height of camera lens assembly can be very fine, will produce a large amount of disqualified products because of unable detection like this, influence product quality.
Therefore, based on the above-mentioned drawbacks of the existing voice coil motor lens module production, improvements are needed to the existing voice coil motor lens module production.
Disclosure of Invention
The invention aims to provide a horizontal height measuring instrument for overcoming the defects in the prior art, which solves the problems in the production of the traditional voice coil motor lens module: and the levelness and height of the lens assembly cannot be measured.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the light source cavity, the glass seat, the vertical pipe and the lens seat are sequentially and longitudinally connected; a reticle mark plate is arranged between the light source cavity and the glass seat, a CCD connector which is horizontally arranged is arranged on the side surface of the glass seat, a glass plate is arranged in the glass seat, the glass plate is positioned right below the reticle mark plate, the glass plate is obliquely arranged towards the CCD connector, and the included angle between the glass plate and the horizontal line is 45 degrees; a height gauge is arranged in the vertical pipe; a lens is arranged in the lens seat, the lens is horizontally arranged, a through hole is formed in the middle of the lens, and the altimeter is vertically arranged and penetrates through the through hole; the lower end of the lens seat is connected with a contact block fixing seat, a contact block is placed in the contact block fixing seat, the bottom of the contact block is provided with a convex part, and the convex part protrudes out of the contact block fixing seat; the bottom of the altimeter is contacted with the top surface of the contact block.
Specifically, a light source is arranged in the light source cavity, and the reticle mark plate is positioned below the light source.
Specifically, the CCD connector is connected with a CCD.
More specifically, the top surface and the bottom surface of the contact block are smooth planes, and the top surface and the bottom surface are parallel.
Further, the bottommost end of the altimeter is a spherical surface.
Further, the top surface of the lens is an outer convex surface, which is opposite to the glass plate.
Further, the bottommost end of the contact block fixing seat is provided with a circular bottom edge, and the outer periphery of the contact block is lapped on the circular inner edge.
The invention has the beneficial effects that: the object to be measured is contacted with the contact block, the cross and the CCD reflected back are compared, if the cross and the CCD are offset, the lens is not horizontally placed, subsequent adjustment is needed, and meanwhile, the height of the lens is measured through the contact altimeter, so that the levelness and the height of the assembly of the object to be measured can be rapidly and accurately judged, and the product quality is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, the level gauge of the present invention includes: a light source cavity 1, a reticle mark 2, a CCD (Charge-coupled Device) connector 3, a glass base 4, a vertical tube 5, a light source 6, a CCD7, a glass plate 8, a lens base 9, a lens 10, an altimeter 11, a contact block 12 and an altimeter fixing base 13.
The invention comprises a light source cavity 1, a reticle mark plate 2, a CCD connector 3, a glass seat 4 and a vertical tube 5, wherein a light source 6 is arranged in the light source cavity 1, and the light source cavity 1, the glass seat 4, the vertical tube 5 and a lens seat 9 are sequentially and longitudinally connected. A reticle mark plate 2 is arranged between the light source cavity 1 and the glass seat 4, and the reticle mark plate 2 is positioned below the light source 6. The side of glass seat 4 has the CCD connector 3 that the level set up, and CCD connector 3 is connected with CCD7, installs glass board 8 in the glass seat 4, and glass board 8 inclines towards CCD7 to set up, and glass board 8 is 45 degrees with the horizontal line contained angle. A height gauge 11 is installed in the vertical pipe 5. The lens 10 is installed in the lens seat 9, the lens 10 is horizontally installed, a through hole is formed in the middle of the lens 10, the altimeter fixing seat 13 is installed in the through hole, and the altimeter 11 is vertically installed and penetrates through the altimeter fixing seat 13. The lower extreme of lens holder 9 is connected with the contact block fixing base, has placed contact block 12 in the contact block fixing base, and the bottom of contact block 12 has the convex part, and the convex part is protruding outside the contact block fixing base. The bottom end of the altimeter 11 is in contact with the top surface of the contact block 12.
The bottommost end of the altimeter 11 is a spherical surface, the convex part of the bottom surface of the contact block 12 is contacted with an object to be measured, the top surface and the bottom surface of the contact block 12 are smooth planes, and the top surface and the bottom surface are ensured to be parallel.
As shown in fig. 2, the lens 10 of the present invention is horizontally placed in the lens holder 9, and the top surface of the lens 10 is an outer convex surface, opposite to the glass plate 8.
The light source 6 emits light, the object to be measured is contacted with the contact block 12, the reflected cross is compared by the CCD7, and if the reflected cross is deviated, the lens is not horizontally arranged and the subsequent adjustment is needed. Meanwhile, the contact block 12 is lifted up by contact with the object to be measured, the bottom end of the altimeter 11 is lifted up by the upper surface of the contact block, and the altimeter 11 measures the height.
The inner side wall of the lens holder 9 of the present invention forms a platform for placing the lens 10, on which the periphery of the lens 10 is placed.
The vertical tube 5 of the present invention also has a positioning plane through which the altimeter 11 is inserted, and will not be described herein.
The glass plate 8 of the invention is arranged in the glass seat 4 at an included angle of 45 degrees with the horizontal plane.
The inner bottom end of the contact block fixing seat is provided with the contact block 12, the inner bottom of the contact block fixing seat is provided with an annular inner edge, the periphery of the contact block 12 is lapped on the annular inner edge, the contact block 12 can move, and when the contact block 12 is contacted with different lenses which are not horizontally arranged, the contact block 12 can rotate by a certain angle along with the contact block, so that the cross is reflected by the contact block 12 to generate offset imaging.
The invention can be matched with a mechanical arm for use or can be independently used, and the application is mainly described for optical and mechanical structures, and the related circuit part, the output part of the judging and comparing structure and the like are not repeated here.
The invention can judge the position of the product more accurately and intuitively, and can ensure the quality of the product.
It is understood that the above-described embodiments are merely preferred examples of the present invention and are not intended to limit the scope of the present invention, so that all equivalent changes or modifications of the structure, features and principles described in the claims are intended to be included in the scope of the present invention.

Claims (5)

1. The level gauge, its characterized in that: the light source cavity, the glass seat, the vertical tube and the lens seat are sequentially and longitudinally connected; a reticle mark plate is arranged between the light source cavity and the glass seat, a CCD connector which is horizontally arranged is arranged on the side surface of the glass seat, a glass plate is arranged in the glass seat, the glass plate is positioned right below the reticle mark plate, the glass plate is obliquely arranged towards the CCD connector, and the included angle between the glass plate and the horizontal line is 45 degrees; a height gauge is arranged in the vertical pipe; a lens is arranged in the lens seat, the lens is horizontally arranged, a through hole is formed in the middle of the lens, and the altimeter is vertically arranged and penetrates through the through hole; the lower end of the lens seat is connected with a contact block fixing seat, a contact block is placed in the contact block fixing seat, the bottom of the contact block is provided with a convex part, and the convex part protrudes out of the contact block fixing seat; the bottom end of the altimeter is contacted with the top surface of the contact block;
the light source emits light, the object to be measured is contacted with the contact block, the reflected cross is compared by the CCD, if the reflected cross is offset, the lens is not horizontally placed, the subsequent adjustment is needed, meanwhile, the contact block is jacked up due to the contact with the object to be measured, the bottom end of the altimeter is jacked up by the upper surface of the contact block, and the altimeter measures the height;
the top surface and the bottom surface of the contact block are smooth planes, and the top surface and the bottom surface are parallel; the bottommost end of the altimeter is a sphere.
2. The level gauge of claim 1, wherein: a light source is arranged in the light source cavity, and the reticle mark plate is positioned below the light source.
3. The level gauge of claim 1, wherein: the CCD connector is connected with a CCD.
4. The level gauge of claim 1, wherein: the top surface of the lens is an outer convex surface and is opposite to the glass plate.
5. The level gauge of claim 1, wherein: the bottom end of the contact block fixing seat is provided with a circular inner edge, and the outer periphery of the contact block is lapped on the circular inner edge.
CN201710753763.7A 2017-08-29 2017-08-29 Level gauge Active CN107367236B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710753763.7A CN107367236B (en) 2017-08-29 2017-08-29 Level gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710753763.7A CN107367236B (en) 2017-08-29 2017-08-29 Level gauge

Publications (2)

Publication Number Publication Date
CN107367236A CN107367236A (en) 2017-11-21
CN107367236B true CN107367236B (en) 2024-01-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710753763.7A Active CN107367236B (en) 2017-08-29 2017-08-29 Level gauge

Country Status (1)

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CN (1) CN107367236B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002250673A (en) * 2001-02-26 2002-09-06 Kimio Komata Measuring instrument
CN105044921A (en) * 2015-09-08 2015-11-11 江苏艺佳精密仪器制造有限公司 Collimation instrument for lens detection
CN205067831U (en) * 2015-10-23 2016-03-02 茂莱(南京)仪器有限公司 A adjusting device for making camera camera lens optical axis accuracy turns to 90
CN206351346U (en) * 2016-12-30 2017-07-25 东莞市泰诚光电有限公司 Active torsion measuring instrument
CN207113802U (en) * 2017-08-29 2018-03-16 东莞市泰诚光电有限公司 Level height measuring instrument

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102829953B (en) * 2012-09-14 2015-03-18 爱佩仪光电技术(深圳)有限公司 Method for rapidly and comprehensively detecting lens actuator
JP6027286B2 (en) * 2014-02-26 2016-11-16 富士フイルム株式会社 Imaging module manufacturing method and imaging module manufacturing apparatus
WO2015129119A1 (en) * 2014-02-26 2015-09-03 富士フイルム株式会社 Method and device for manufacturing imaging module

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002250673A (en) * 2001-02-26 2002-09-06 Kimio Komata Measuring instrument
CN105044921A (en) * 2015-09-08 2015-11-11 江苏艺佳精密仪器制造有限公司 Collimation instrument for lens detection
CN205067831U (en) * 2015-10-23 2016-03-02 茂莱(南京)仪器有限公司 A adjusting device for making camera camera lens optical axis accuracy turns to 90
CN206351346U (en) * 2016-12-30 2017-07-25 东莞市泰诚光电有限公司 Active torsion measuring instrument
CN207113802U (en) * 2017-08-29 2018-03-16 东莞市泰诚光电有限公司 Level height measuring instrument

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