WO2022068182A1 - 一种高精度闪测仪 - Google Patents
一种高精度闪测仪 Download PDFInfo
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- WO2022068182A1 WO2022068182A1 PCT/CN2021/088150 CN2021088150W WO2022068182A1 WO 2022068182 A1 WO2022068182 A1 WO 2022068182A1 CN 2021088150 W CN2021088150 W CN 2021088150W WO 2022068182 A1 WO2022068182 A1 WO 2022068182A1
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- measurement
- lifting
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- 238000005259 measurement Methods 0.000 title claims abstract description 85
- 230000000007 visual effect Effects 0.000 claims abstract description 20
- 230000033001 locomotion Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 10
- 238000011161 development Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 239000000306 component Substances 0.000 description 5
- 238000005286 illumination Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Definitions
- the utility model relates to a flash measuring instrument, in particular to a high-precision flash measuring instrument.
- ROI has developed an optical image probe, which can replace the contact probe on the coordinate measuring machine for non-contact measurement. Since then, this optical accessory has become one of the basic components of the imaging equipment.
- image measuring instruments with higher magnification microscope eyepieces appeared on the market.
- the utility model provides a high-precision flash measuring instrument.
- the utility model provides a high-precision flash measuring instrument, comprising a frame base module, an electric high-precision two-dimensional stage module, a ring-shaped lighting module, a Z-axis vision measurement module, and a coaxial lighting module, which are used for measuring the thickness of workpieces.
- the height measurement module and image display module wherein the electric high-precision two-dimensional stage mold is fixed on the frame base module, and the Z-axis vision measurement module is installed on the rear bottom plate of the frame base module
- the height measurement module is installed on the Z-axis vision measurement module
- the Z-axis vision measurement module includes a Z-axis lift module
- the annular lighting module and the coaxial lighting module are respectively installed on the Z-axis lift
- the image display module is installed on the Z-axis visual measurement module
- the Z-axis lifting module is suspended above the electric high-precision two-dimensional stage module
- the movement axis of the Z-axis lifting module perpendicular to the motorized high-precision two-dimensional stage module.
- the electric high-precision two-dimensional stage module is fixedly connected to the frame base module through the stage mounting seat.
- the image display module is connected to the front and outer sides of the Z-axis vision measurement module through a pitch rotation mechanism.
- the rack base module includes a base plate, the base plate is a main mounting plate, a regulator for adjusting the horizontal state of the instrument is installed below the base plate, and a load is installed above the base plate A stage mounting seat, a telecentric parallel transmission light source is installed inside the object stage mounting seat, and the electric high-precision two-dimensional object stage module is installed on the object stage mounting seat.
- a control handwheel is installed on the bottom plate, and the control handwheel is electrically connected to the Z-axis lifting module.
- the annular lighting module includes an anti-collision block, an annular zero-degree light source and an automatic lifting module, the annular zero-degree light source is installed on the lower end of the push rod of the automatic lifting module, and the anti-collision block
- the push rod of the automatic lift module is connected with the push rod of the automatic lift module through a spring, and the push rod of the automatic lift module is connected with a travel switch matched with the anti-collision block.
- the coaxial lighting module includes a coaxial light source, a rotating fixing base, and a rotating fixing rod, the coaxial light source is connected to the rotating fixing rod, and the rotating fixing rod is connected to the rotating fixing rod.
- the coaxial light source forms a rotating pair with the rotating fixing base through the rotating fixing rod.
- the Z-axis visual measurement module includes a Z-axis column, the Z-axis column is fixed on the frame base module, and the Z-axis lifting module is connected with an image acquisition module.
- the Z-axis lifting module includes a fixed part and a Z-axis lifting slide
- the image acquisition module is mounted on the Z-axis lifting slide
- the Z-axis lifting slide is connected to the Z-axis column or the Z-axis lifting slide.
- a Z-axis anti-skid module is connected between the fixed parts of the shaft lifting module, and the Z-axis anti-skid module includes two left and right tension springs for tightening the Z-axis lifting slide.
- a heat dissipation module is provided at the rear of the Z-axis vision measurement module, and the heat dissipation module is installed above the fixed part of the Z-axis lift module.
- a temperature sensing module for measuring its temperature is installed on the side of the image acquisition module.
- FIG. 1 is an exploded view of a high-precision flash tester of the present invention.
- FIG. 2 is a schematic diagram of a frame base module of a high-precision flash tester of the present invention.
- FIG. 3 is a schematic diagram of the annular lighting control module of a high-precision flash tester of the present invention.
- FIG. 4 is a schematic diagram of a coaxial lighting module of a high-precision flash tester of the present invention.
- FIG. 5 is a schematic diagram of a Z-axis visual measurement module of a high-precision flash tester of the present invention.
- FIG. 6 is a schematic diagram of the Z-axis visual measurement module of a high-precision flash tester of the present invention after the casing is removed.
- FIG. 7 is a schematic diagram of a height measurement module of a high-precision flash tester of the present invention.
- FIG. 8 is a schematic diagram of an image display module of a high-precision flash tester of the present invention.
- a high-precision flash tester is mainly composed of a frame base module 1, an electric high-precision two-dimensional stage module 2, an annular lighting control module 3, a coaxial lighting module 5, Z It is composed of seven structural modules, including axis vision measurement module 4, height measurement module 6, and image display module 7.
- the frame base module 1 is mainly composed of a dust cover 8 , a telecentric parallel transmission light source 9 , a carrier mount 10 , a casing 11 , a print button 12 , a measurement button 13 , a power button 14 , and an instrument
- the regulator 15, the control hand wheel 16, and the bottom plate 34 are composed.
- the bottom plate 34 is the main mounting plate of the module, and six instrument regulators 15 are installed below the bottom plate 34, three of which are main regulators, and the others are auxiliary regulators.
- the system is an important component that provides a good measurement environment for the whole machine; the casing 11 and the dust cover 8 are installed around the bottom plate 34.
- the button 13 is an external execution button of the one-key operation of the instrument, through which a quick flash measurement operation can be performed on the workpiece; the top of the base plate 34 is equipped with a control handwheel 16, which is an auxiliary part, and the operator can measure according to the specific situation. Determine whether it is manual focusing or automatic focusing. If manual focusing is required, the Z-axis lifting module 22 can be manually controlled to move up and down and position automatically by rotating the handwheel to reach a suitable focus position, so as to reach the image acquisition module 19 The clearest image state can be achieved when capturing images.
- the telecentric parallel transmission light source 9 and the stage mounting base 10 are designed and installed, and the flatness requirements of the stage mounting base 10 are guaranteed structurally, which is the installation of the electric high-precision two-dimensional stage module 2 Provide a platform.
- the annular lighting control module 36 is mainly composed of an annular zero-degree light source 25 , an anti-collision block 26 , an automatic lifting module 27 , and a travel switch 35 .
- the annular zero-degree light source 25 is installed on the lower end of the push rod of the automatic lifting module 27, and is in a floating state after installation.
- the automatic lifting module 27 drives the annular zero-degree light source 25 to descend, it may collide with other workpieces.
- the anti-collision block 26 rises and communicates with the travel switch 35 to sense the movement to stop the movement, so as to achieve the purpose of protecting the workpiece and the light source.
- the inside of the ring-shaped zero-degree light source 25 is composed of a four-segmented ring-shaped shadowless light source and a zero-degree light source capable of zero-degree illumination.
- the zero-degree light source is located at the bottom and the ring-shaped shadowless light source is located at the top.
- the movement axes of the automatic lifting module 27 and the Z-axis lifting module 22 are basically kept in a parallel state; the design allows the ring-shaped light source 25 to be in a free up and down state to avoid misoperation of the instrument, so as to achieve the purpose of protecting the workpiece and the light source; automatic lifting
- the module 27 adopts a large lead screw drive structure, the motor speed is reduced, the motion noise is reduced, the lifting speed is accelerated, and the overall measurement efficiency is improved.
- the coaxial lighting module 5 is mainly composed of a coaxial light source 28 , a rotating fixing base 29 and a rotating fixing rod 39 .
- the coaxial light source 28 forms a rotating pair with the rotating fixing base 29 through the rotating fixing rod 39 .
- the sensing element is in contact, and the coaxial light source 28 is on the left side of the instrument, which is in a non-working state.
- the annular lighting module 3 can rise and fall freely;
- the front sensing element is in contact, and the coaxial light source is in the working state directly below the Z-axis vision measurement module 4.
- the automatic lifting module 27 of the annular lighting module 3 controls the annular zero-degree light source 25 to move to the top and cannot descend.
- the optical axis of the coaxial light source 28 and the glass surface of the electric high-precision two-dimensional stage 2 should be kept in a substantially vertical state, and the rotating auxiliary structure should be reliable.
- the Z-axis visual measurement module 4 is mainly composed of a head casing 18 , an image acquisition module 19 , a Z-axis anti-skid module 20 , a heat dissipation module 21 , a Z-axis lifting module 22 , a temperature sensing module 23 , and a power supply connector.
- the module 24 and the Z-axis column 32 are composed.
- the Z-axis column 32 is the base of the module, which carries the installation of all other parts;
- the power patch panel module 24 is installed inside the rear of the Z-axis column 32, as the coaxial light source module 5 , the height measurement module 6 and the power supply module of the whole machine;
- the head shell 18 is installed above the Z-axis column 32 as a decorative protective shell for the entire module;
- the Z-axis lifting module 22 is fixed on the top surface of the Z-axis column 32, the image
- the acquisition module 19 is installed on the horizontal slide plate that can move up and down the Z-axis lifting module 22.
- the central axis of the image acquisition module 19 is basically parallel to the movement axis of the Z-axis lifting module 22.
- the image acquisition module 19 mainly includes double telecentric double magnification.
- the precision lens and two high-resolution industrial cameras are the core modules of the whole machine; the Z-axis anti-skid module 20 is installed above the Z-axis lifting module 22.
- This module mainly uses two left and right tension springs to tighten the Z-axis lifting module 22.
- the movable part prevents the image acquisition module 19 from descending by itself when the instrument is powered off.
- the Z-axis anti-skid module 20 can reduce the Z-axis motion load due to the upward pulling force; when the image acquisition module 19 moves downward with the Z-axis lifting module 22, It will reduce the movement continuity of the Z-axis, and at the same time, the Z-axis anti-skid module 20 can eliminate the movement gap of the Z-axis, so the design of the Z-axis anti-skid module 20 is also beneficial to the control effect of the Z-axis lifting and lowering of the height measurement module 6. Measurement accuracy is also beneficial.
- the heat dissipation module 21 is installed above the fixed end of the Z-axis lift module 22 , mainly to dissipate heat inside the entire module and keep the internal temperature basically stable.
- a temperature sensing module 23 is installed on the right side of the image acquisition module 19 for measuring the temperature of the image acquisition module 19 for the measurement of the whole machine.
- the inside of the Z-axis lifting module 22 is equipped with standard components such as a precision grating ruler, a precision guide rail, a precision lead screw, and a stepping motor, which is a precision lead screw transmission mechanism.
- the movement accuracy of the Z-axis lifting module 22 is ensured, so that the movement axis of the Z-axis and the optical axis of the image acquisition module are basically parallel; the movement axis of the Z-axis and the bottom surface of the Z-axis column are basically vertical.
- the image acquisition module is also a replaceable module. For different measurement requirements, only need to replace different types of core modules to meet different measurement requirements.
- the height measurement module 6 is mainly composed of a height probe 30 and a probe base 31 .
- the main component is the height measuring head 30, and the height measuring head 30 is fixed in the hole of the measuring head seat 31.
- This module is an essential part for measuring thickness, and can also be replaced with different types.
- the height measurement module is installed on the whole machine.
- the structure ensures that the axis of the height measuring head 30 and the movement axis of the Z-axis lifting module 22 are substantially parallel.
- the image display module 7 is mainly composed of an LCD display 36 , a standard rotating shaft 37 and a fixing base 38 .
- the image display module 7 its main components are the LCD display 36 and the standard rotating shaft 37, and the standard rotating shaft 36 is connected between the LCD display 36 and the fixed seat 38 to form a rotatable and have a larger damping rotation fulcrum,
- the operator can adjust the pitch angle of the LCD display 36 within a certain range according to the needs of the visual angle, so as to better observe the image.
- the standard rotating shaft is used as the rotating fulcrum of the LCD display 36, the structure is reliable, and it will not shake when used for a long time.
- the rack base module 1 is the stable frame of the whole machine, and the other modules use the rack base module 1 as the installation base, which is an indispensable module in the whole machine; electric high-precision
- the two-dimensional stage module 2 is connected and fixed with the frame base module 1 through the stage mounting seat 10;
- the Z-axis vision measurement module 4 is installed on the rear bottom plate of the frame base module 1;
- the annular lighting module 3 is installed on the Z-axis
- the coaxial lighting module 5 is installed at the lower left side of the Z-axis lifting module 22 inside the Z-axis vision measurement module 4;
- the height measurement module 6 is installed in the Z-axis Outside the right side of the axis vision measurement module 4;
- the coaxial lighting module 5 and the annular lighting module 3 can follow the Z-axis lifting module 22 to move up and down and position;
- the image display module 7 is installed in front of the Z-axis vision measurement module 4 On the non-mov
- the rack base module 1 is the installation cornerstone of the whole machine structure, wherein the upper surface of the carrier mount 10 of the rack base module 1 is the upper surface of the electric high-precision two-dimensional stage module 2
- the rack base module 1 is the installation cornerstone of the whole machine structure, wherein the upper surface of the carrier mount 10 of the rack base module 1 is the upper surface of the electric high-precision two-dimensional stage module 2
- the movement accuracy of the two-dimensional stage module 2 is affected; when the telecentric parallel transmission light source 9 is installed at the same time, ensure that its optical axis and the glass surface of the motorized high-precision two-dimensional stage module 2 are basically vertical; Z-axis vision In the measurement module 4, it is necessary to ensure that the movement axis of the Z-axis lifting module 22 is perpendicular to the glass surface of the electric high-precision two-dimensional stage module 2, and at the same time, the optical axis of the lens in the image acquisition module 19 and the electric high-precision two-dimensional stage The glass surface of the module 2 is vertical, which also makes the optical axis of the coaxial lighting module 5 and the glass surface of the electric high-precision two-dimensional stage module 2 substantially vertical.
- the movement axis of the Z-axis lifting module 22 is basically kept parallel; the central axis of the surface glass of the electric high-precision two-dimensional stage module 2 is kept parallel to the telecentric transmission light source 9, the double telecentric lens of the image acquisition module 19, the annular zero-degree
- the axis of the light source 25 is substantially coaxial.
- a high-precision flash measuring instrument provided by the utility model has the following advantages: 1) Taking the movable Z-axis vision measurement module as the fulcrum, the annular lighting module equipped with automatic lifting and the coaxial lighting module that can be rotated are designed to ensure that the movement axis of the Z-axis and the automatic lifting movement axis of the annular lighting module are basically parallel. At the same time, it provides a variety of different forms of controllable lighting systems for the whole machine.
- the vertical installation of double telecentric high-resolution optical lenses and high-resolution industrial cameras are designed as the core components of the whole machine for image size measurement.
- the shape lighting module, the high-precision telecentric transmission lighting system, and the coaxial lighting module are in a substantially coaxial state and structure.
- the automatic lifting module in the Z-axis vision measurement module drives the vertically installed bi-telecentric high-resolution optical lens and high-resolution industrial camera to move, its optical axis is always in line with the glass surface of a new type of high-precision stage. Maintain vertical position and motion structure.
- Both the coaxial lighting module and the annular lighting module adopt the anti-collision structure and anti-collision protection function, which effectively avoids the malfunction of the Z-axis lifting module during autofocus, and improves the safety of the instrument.
Abstract
Description
Claims (10)
- 一种高精度闪测仪,其特征在于:包括机架底座模块、电动高精度二维载物台模块、环状照明模块、Z轴视觉测量模块、同轴照明模块、用来测量工件厚度的高度测量模块、图像显示模块,其中,所述电动高精度二维载物台模固定在所述机架底座模块上,所述Z轴视觉测量模块安装在所述机架底座模块的后方底板上,所述高度测量模块安装在所述Z轴视觉测量模块上,所述Z轴视觉测量模块包括Z轴升降模块,所述环状照明模块、同轴照明模块分别安装在所述Z轴升降模块上,所述图像显示模块安装在所述Z轴视觉测量模块上,所述Z轴升降模块悬于所述电动高精度二维载物台模块的上方,所述Z轴升降模块的运动轴线垂直于所述电动高精度二维载物台模块。
- 根据权利要求1所述的高精度闪测仪,其特征在于:所述电动高精度二维载物台模块通过载物台安装座与所述机架底座模块固定连接。
- 根据权利要求1所述的高精度闪测仪,其特征在于:所述图像显示模块通过俯仰旋转机构与所述Z轴视觉测量模块的前方外侧连接。
- 根据权利要求1所述的高精度闪测仪,其特征在于:所述机架底座模块包括底板,所述底板为主安装板,所述底板的下方安装有调节仪器的水平状态的调节器,所述底板的上方安装有载物台安装座,所述载物台安装座的内部安装有远心平行透射光源,所述电动高精度二维载物台模块安装在所述载物台安装座上。
- 根据权利要求4所述的高精度闪测仪,其特征在于:所述底板安装有控制手轮,所述控制手轮与所述Z轴升降模块通过电连接。
- 根据权利要求1所述的高精度闪测仪,其特征在于:所述环状照明模块包括防撞块、环形零度光源和自动升降模块,所述环形零度光源安装在所述自动升降模块的推杆的下端,所述防撞块通过弹簧与所述自动升降模块的推杆连接,所述自动升降模块的推杆连接有与所述防撞块配合的行程开关。
- 根据权利要求1所述的高精度闪测仪,其特征在于:所述Z轴视觉测量模块包括Z轴立柱,所述Z轴立柱固定在所述机架底座模块上,所述Z轴升降模块连接有图像采集模块。
- 根据权利要求7所述的高精度闪测仪,其特征在于:所述Z轴升降模块包括固定部分和Z轴升降滑板,所述图像采集模块安装在所述Z轴升降滑板上,所述Z轴升降滑板与Z轴立柱或者Z轴升降模块的固定部分之间连接有Z轴防滑模块,所述Z轴防滑模块包括左右两条拉紧Z轴升降滑板的拉簧。
- 根据权利要求8所述的高精度闪测仪,其特征在于:所述Z轴视觉测量模块的内部后方设有散热模块,所述散热模块安装在所述Z轴升降模块的固定部分的上方,所述图像采集模块的侧边安装有测量其温度的温度感应模块。
- 根据权利要求1所述的高精度闪测仪,其特征在于:所述同轴照明模块包括同轴光源、旋转固定座、旋转固定杆,所述同轴光源与所述旋转固定杆连接,所述旋转固定杆与所述旋转固定座连接,所述同轴光源通过旋转固定杆与旋转固定座形成一个转动副。
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CN102538669A (zh) * | 2010-10-13 | 2012-07-04 | 株式会社三丰 | 精密阻焊剂配准检查方法 |
CN210774035U (zh) * | 2019-12-13 | 2020-06-16 | 珠海博明视觉科技有限公司 | 一种五金拼接光学影像测量仪 |
CN210773903U (zh) * | 2019-12-13 | 2020-06-16 | 珠海博明视觉科技有限公司 | 一种铸件桌面式光学闪测仪 |
CN212931323U (zh) * | 2020-09-29 | 2021-04-09 | 深圳市中图仪器股份有限公司 | 一种高精度闪测仪 |
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CN102538669A (zh) * | 2010-10-13 | 2012-07-04 | 株式会社三丰 | 精密阻焊剂配准检查方法 |
CN210774035U (zh) * | 2019-12-13 | 2020-06-16 | 珠海博明视觉科技有限公司 | 一种五金拼接光学影像测量仪 |
CN210773903U (zh) * | 2019-12-13 | 2020-06-16 | 珠海博明视觉科技有限公司 | 一种铸件桌面式光学闪测仪 |
CN212931323U (zh) * | 2020-09-29 | 2021-04-09 | 深圳市中图仪器股份有限公司 | 一种高精度闪测仪 |
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