WO2017157043A1 - Measurement system based on point laser imaging - Google Patents

Measurement system based on point laser imaging Download PDF

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Publication number
WO2017157043A1
WO2017157043A1 PCT/CN2016/106475 CN2016106475W WO2017157043A1 WO 2017157043 A1 WO2017157043 A1 WO 2017157043A1 CN 2016106475 W CN2016106475 W CN 2016106475W WO 2017157043 A1 WO2017157043 A1 WO 2017157043A1
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WO
WIPO (PCT)
Prior art keywords
assembly
bracket
disposed
rail
ccd camera
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PCT/CN2016/106475
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French (fr)
Chinese (zh)
Inventor
吴加富
缪磊
吴旭东
周平
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苏州富强科技有限公司
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Publication of WO2017157043A1 publication Critical patent/WO2017157043A1/en

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    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • 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
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning

Definitions

  • the present invention relates to a non-contact size measurement system, and more particularly to a point laser imaging based measurement system.
  • the non-contact size measuring device is based on photoelectric, electromagnetic, ultrasonic and other technologies.
  • the measuring element of the instrument When the measuring element of the instrument is not in contact with the surface of the object to be measured, various appearance or intrinsic dimensional data characteristics of the measured object can be obtained.
  • the non-contact size measuring system Compared with the traditional contact distance measuring system, the non-contact size measuring system has higher precision, more convenient operation, higher safety factor, higher cleanliness, less pollution to the measured object during measurement, and thus is applied to the industry. Multiple areas of production and scientific research.
  • Typical non-contact size measurement methods such as laser triangulation, eddy current method, ultrasonic measurement, visual imaging measurement, ultrasonic measurement, etc.
  • visual imaging measurement refers to the adoption of machine vision products (ie, image acquisition devices, Two kinds of CMOS cameras and CCD cameras, CMOS camera pixels are high, about 25 million pixels, CCD camera pixels are low, about 1.5 million pixels)
  • the target is converted into an image signal, and transmitted to a dedicated image processing system, according to Pixel distribution and brightness, color and other information are converted into digital signals.
  • the image system performs various operations on these signals to extract the features of the target, and then controls the on-site device actions according to the result of the discrimination, and measures the defects and prevents defective products from being distributed. It is immeasurable in terms of the function of the consumer.
  • the laser imaging type measuring system in the prior art has certain limitations for measuring the complex shape of the surface of the object to be tested, for example, it is necessary to measure the complex curved surface, the inclined surface, the groove, the circular hole and the like on the surface of the product, and the steps requiring manual auxiliary operations are many.
  • the degree of automation is low, which leads to the entire measurement process taking too long and the measurement is not accurate.
  • the object of the present invention is to provide a measurement system based on point laser imaging, which optimizes and improves the existing non-contact measurement system, and ensures that the manual is reduced while ensuring measurement accuracy. Steps to assist in operations to increase automation, resulting in Reduce the time spent on the entire measurement process.
  • a point laser imaging based measurement system comprising:
  • test object fixing component disposed on the workbench
  • the rail assembly comprises an upper rail, left and right rails disposed in parallel and at a distance, the upper rail slidably spanning between the left rail and the right rail, and the upper rail is
  • a detecting assembly is provided to reciprocally slide, and the rail assembly and the detecting assembly are electrically connected to the control system, respectively.
  • the detecting component comprises a bracket sleeved on the upper rail and reciprocally slidable, a CCD camera disposed on one side of the bracket and slidable up and down, and a reading disposed on a side of the CCD camera a coder and a laser emitter disposed on the other side of the CCD camera.
  • the outer ring of the lens of the CCD camera is provided with an annular light source, and an L-shaped connecting arm is connected below the bracket.
  • the end of the connecting arm is provided with a camera backlight opposite to the CCD camera, the bracket, the CCD camera, the code reader, the laser emitter, the ring light source, and the camera backlight and the control system Electrical connection.
  • the object to be tested fixing component is disposed under the upper rail, between the left rail and the right rail, and the object to be tested fixing component comprises a bracket assembly, and a fixing disc assembly disposed on the bracket assembly. And a pressure plate fixedly mounted on the fixed disk assembly.
  • the bracket assembly includes a bracket plate provided with a mounting slot and a left leg and a right leg for supporting the bracket plate, the left leg being disposed in parallel with the right leg.
  • the fixed disk assembly includes a fixed disk with a weight reducing slot and a fixed clamp assembly disposed around the weight reducing slot.
  • the fixing jig assembly includes at least one vertical fixing jig for fixing a position in a vertical direction of the object to be tested and at least one horizontal fixing jig for fixing a position in a horizontal direction of the object to be tested.
  • the pressure plate comprises a closed platen frame for pressing the outer peripheral edge of the object to be tested, At least one support strip inside the closed platen frame, and a compression strip provided on an outer circumference of the closed platen frame.
  • the support strip and the compression strip are integrally formed with the closed platen frame, and the number of the compression bars is equal to the number of the vertical fixing jigs.
  • the invention has the following beneficial effects:
  • the rail assembly comprises an upper rail, left and right rails arranged in parallel and at a distance, the upper rail slidably spans between the left rail and the right rail, above the upper rail
  • a detection assembly is slidably disposed such that the detection assembly can achieve a displacement of two degrees of freedom.
  • the detecting assembly includes a bracket sleeved on the upper rail and reciprocally slidable, a CCD camera disposed on one side of the bracket and slidable up and down, and a reading code disposed on a side of the CCD camera And a laser emitter disposed on the other side of the CCD camera, such that the CCD camera can realize a third degree of freedom, that is, a displacement movement in a vertical direction, so that the CCD camera can be adjusted in the bracket Adjusting the focal length to improve the sharpness of the shooting, the reader can also scan the barcode on the product during the CCD camera shooting, and the laser emitter can emit the laser beam to the surface of the object to be tested.
  • the lens outer ring of the CCD camera is provided with an annular light source
  • an L-shaped connecting arm is connected below the bracket, and the end of the connecting arm is provided with a camera backlight opposite to the CCD camera
  • a bracket, a CCD camera, a code reader, a laser emitter, a ring light source, and a camera backlight are electrically coupled to the control system such that the bracket, CCD camera, code reader, laser emitter, ring light source, and camera backlight
  • the source can automatically adjust the focal length of the bracket and the CCD camera under the synergistic effect of the control system; for different environmental light sources, the corresponding lighting mode, such as light, is adjusted by mutual coordination between the camera backlight and the ring light source.
  • the test object fixing component includes a bracket assembly and a fixed disk assembly disposed on the bracket assembly, wherein the object to be tested fixing component is disposed under the upper rail and between the left rail and the right rail.
  • the detecting component can conveniently perform shooting measurement during the moving process, thereby improving measurement efficiency.
  • the fixing jig assembly includes at least one vertical fixing jig for fixing a position in a vertical direction of the object to be tested and at least one horizontal fixing jig for fixing a position in a horizontal direction of the object to be tested, thereby enabling the object to be tested to be Constrained positioning in the vertical and horizontal directions reduces the measurement error due to unstable positioning during measurement.
  • the pressure plate comprises a closed platen frame for pressing the outer peripheral edge of the object to be tested, at least one support strip provided inside the closed platen frame, and the closed platen frame is provided
  • the peripheral compression strips are such that the pressure plate can utilize the edge regions and the central region of the object to be tested that do not require measurement of the dimensional features to securely compress the object to be tested over the fixed disk.
  • FIG. 1 is a perspective view of an embodiment of a point laser imaging based measurement system in accordance with the present invention
  • FIG. 2 is a front elevational view of an embodiment of a point laser imaging based measurement system in accordance with the present invention
  • FIG. 3 is a top plan view of an embodiment of a point laser imaging based measurement system in accordance with the present invention.
  • FIG. 4 is an isometric view of an upper rail and a detection assembly in an embodiment of a point laser imaging based measurement system in accordance with the present invention
  • FIG. 5 is an isometric view of an analyte fixing assembly in an embodiment of a point laser imaging based measurement system in accordance with the present invention
  • FIG. 6 is an exploded view of a fixture fixing assembly in an embodiment of a point laser imaging based measurement system in accordance with the present invention
  • FIG. 7 is a top plan view of a displacement trajectory of a CCD camera in a specific measurement method in an embodiment of a point laser imaging based measurement system according to the present invention
  • Figure 8 is a point diagram of a CCD camera on a cross section of a test object in a specific measurement method in an embodiment of a point laser imaging based measurement system in accordance with the present invention.
  • the point laser imaging based measurement system 100 includes: a control system (slightly drawn), a table assembly 110, a rail assembly, a detection assembly 120, and a test object fixing assembly 130, wherein
  • the table assembly 110 includes a table 111.
  • the rail assembly is disposed on the table 111.
  • the rail assembly includes an upper rail 114, and a left rail 112 and a right rail 113 disposed in parallel and spaced apart from each other.
  • the upper rail 114 is slidably spanned across Between the left rail 112 and the right rail 113, the detecting component 120 is reciprocally slidably disposed on the upper rail 114, and the workpiece fixing component 130 is disposed on the table 111.
  • the rail component and the detecting component 120 are respectively The control system is electrically connected.
  • the detecting assembly 120 includes a bracket 121 sleeved on the upper rail 114 and reciprocally slidable, a CCD camera 122 disposed on one side of the bracket 121 and slidable up and down, and a reading disposed on the side of the CCD camera 122.
  • the encoder 124 and the laser emitter 123 provided on the other side of the CCD camera 122 are further provided with an annular light source 122a on the outer lens ring of the CCD camera 122.
  • the up and down sliding of the CCD camera 122 is driven by the driving cylinder 121a.
  • an L-shaped connecting arm 125 is connected below the bracket 121.
  • the end of the connecting arm 125 is provided with a camera backlight 126 opposite to the CCD camera 122.
  • the bracket 125, the CCD camera 122, the code reader 124, Laser emitter 123, annular source 122a, drive cylinder 121a ⁇ , and camera backlight 126 are electrically coupled to the control system.
  • the object to be tested fixing component 130 is disposed under the upper rail 114 , between the left rail 112 and the right rail 113 , and the object to be tested fixing component 130 includes a bracket assembly and is disposed on the bracket assembly.
  • the upper fixed disk assembly 134 and the pressure plate 135 fixedly mounted on the fixed disk assembly 134, wherein the bracket assembly includes a bracket plate 133 provided with a mounting groove 133a and a left leg 131 and a right for supporting the bracket plate 133
  • the leg 132, the left leg 131 is disposed in parallel with the right leg 132
  • the fixed disk assembly 134 includes a fixed disk with a weight reducing groove 134a and a fixing clamp assembly disposed around the weight reducing groove 134a
  • the fixing clamp assembly including for fixing At least one vertical fixing jig 134b at a position in the vertical direction of the object and at least one horizontal fixing jig 134c for fixing a position in a horizontal direction of the object to be tested. As shown in FIG.
  • the platen 135 includes a closed platen frame for pressing the outer peripheral edge of the object to be tested, at least one support strip 135a disposed inside the closed platen frame, and is disposed at the closed type pressure.
  • the outer peripheral pressing bars 135b, 135c, the support bars 135a and the pressing bars 135b, 135c are integrally formed with the closed platen frame.
  • the support bar 135a is provided with two, symmetrically disposed about the horizontal longitudinal symmetry of the pressure plate 135; the compression bar is provided with four, wherein the compression bar 135b is provided with two, and is disposed at the closed
  • the rear side of the platen frame is clamped by two vertical fixing jigs 134b located on the rear side of the weight reducing groove 134a
  • the pressing bar 135c is provided with two, respectively disposed on the left and right sides of the closed platen frame The sides are respectively clamped by the vertical fixing jigs 134b on the left and right sides of the weight reducing groove 134a.
  • the detecting component 120 can realize displacement in three degrees of freedom under the driving of the left and right rails 112, 113 and the upper rail 114, thereby laying a structural transmission foundation for the photographing measurement of the CCD camera, and the CCD camera is in the driving system.
  • the outer ring of the object to be tested clamped on the object to be tested 130 is taken for a plurality of turns, and the size data is collected while walking, and finally the outer ring size data of the object to be tested is collected.
  • the object to be tested 200 includes a base plate 210.
  • the base plate 210 is provided with a groove portion 220.
  • the groove portion 220 is sequentially adjacent to the inclined surface S1, the inclined surface S2, the inclined surface S3, and the inclined surface S4, and is required to be measured by the inclined surface S1.
  • the upper surface of the object to be tested which is composed of the inclined surface S1, the inclined surface S2, the inclined surface S3, the inclined surface S4 and the groove portion 220, is divided into several sections along the section line thereof, and each small section is driven by the laser emitter to be spotted thereon, and The CCD camera captures these points in sequence.
  • the upper surface of the object to be tested 200 is equally divided into 20 segments along the section line direction, and P1, P2, P3, P4, ... P20 can be taken equidistantly on each segment for a total of 20 equal parts.
  • Point, in order to sequentially measure these points, the CCD camera can be sequentially measured in accordance with the trajectory shown in FIG.
  • the measurement trajectories R1, R2, ... R10 are equidistantly set on the surface of the object to be tested, wherein P1, P2, P3, P4, ... P20 total 20 aliquots
  • P1 and P20 are located on the measurement track line R1
  • P2 and P19 are located on the measurement track line R2, P3 and P18.
  • the CCD camera can complete two measurement points on the same section line by taking one circle around the measurement trajectory. If the CCD camera makes a circle around the measurement trajectory R1, the measurement of the point P2 and the point P19 can be completed. Therefore, for the measurement points on different section lines, the CCD camera can complete all the section lines by one round around the measurement trajectory.
  • the CCD camera can complete the measurement along R1 to R10 in turn, or sequentially complete the measurement along R10 to R1, and after measuring all the points to be measured, it can be determined whether the size feature of the surface of the object to be tested satisfies the setting requirement.
  • the rail assembly includes an upper rail 114, and a left rail 112 and a right rail 113 disposed in parallel and spaced apart from each other, the upper rail 114 slidably straddles between the left rail 112 and the right rail 113, and the upper rail 114
  • the detection assembly 120 is slidably disposed such that the detection assembly 120 can achieve two degrees of freedom of displacement motion.
  • the detecting component 120 includes a bracket 121 that is sleeved on the upper rail 114 and reciprocally slidable, a CCD camera 122 that is disposed on one side of the bracket 121 and can slide up and down, and a code reader 124 disposed on the side of the CCD camera 122.
  • the laser emitter 123 disposed on the other side of the CCD camera 122, so that the CCD camera 122 can realize a third degree of freedom, that is, a displacement movement in the vertical direction, so that the CCD camera 122 can adjust the focal length under the adjustment of the bracket 121.
  • the code reader 124 can also scan the barcode on the product during the shooting of the CCD camera 122, and the laser emitter 123 can emit a laser beam to the surface of the object to be tested.
  • the lens outer ring of the CCD camera 122 is provided with the annular light source 122a
  • the L-shaped connecting arm 125 is connected below the bracket 121
  • the end of the connecting arm 125 is provided with a camera backlight 126 opposite to the CCD camera 122, the bracket 121, a CCD camera 122, a code reader 124, a laser emitter 123, an annular light source 122a, and a camera backlight 126 and the control system Electrically connected, such that the bracket 121, the CCD camera 122, the code reader 124, the laser emitter 123, the annular light source 122a, and the camera backlight 126 can achieve the focal length of the bracket 121 and the CCD camera 122 under the synergy of the control system.
  • the camera backlight 126 and the ring light source 122a are coordinated with each other to adjust the corresponding lighting mode, such as the intensity of the light, the direction of the light, etc., so that the image is not overexposed Or insufficient exposure to fully guarantee the measurement accuracy.
  • the test object fixing component 130 is disposed under the upper rail 114 and between the left rail 112 and the right rail 113.
  • the object to be tested fixing component 130 includes a bracket assembly, a fixed disk assembly 134 disposed on the bracket assembly, And a pressure plate 135 fixedly mounted on the fixed disk assembly 134, so that the detecting component 120 can conveniently perform shooting measurement during the moving process, thereby improving measurement efficiency.
  • the fixing jig assembly includes at least one vertical fixing jig 134b for fixing a position in a vertical direction of the object to be tested and at least one horizontal fixing jig 134c for fixing a position in a horizontal direction of the object to be tested, thereby causing the object to be tested It can be constrained and positioned in the vertical and horizontal directions, reducing the measurement error caused by unstable positioning during measurement.
  • the pressure plate 135 includes a closed platen frame for pressing the outer peripheral edge of the object to be tested, at least one support bar 135a disposed inside the closed platen frame, and the closed platen frame
  • the outer peripheral pressing strips 135b, 135c, the supporting strips 135a and the pressing strips 135b, 135c are integrally formed with the closed pressing plate frame, so that the pressing plate can utilize the unmeasured dimensional characteristics of the object to be tested. Some edge regions and a central region are used to securely press the object to be pressed against the fixed disk.

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

Abstract

A measurement system based on point laser imaging, comprising: a control system; a workbench (110); a fastening assembly (140) for an object to be measured and being provided on the workbench (110); and a guide rail assembly (120) fixed to the workbench (110), wherein the guide rail assembly (120) comprises an upper guide rail (123), and a left guide rail (121) and right guide rail (122) arranged in parallel and spaced apart by a certain distance, the upper guide rail (123) slidably stretches across the left guide rail (121) and the right guide rail (122), and is provided with a measuring assembly (130) slidable in both directions thereon. The guide rail assembly (120) and the measuring assembly (130) are electrically connected to the control system. By reducing the number of steps involving manual assist operation, the system improves the level of automation while ensuring measurement accuracy, thus reducing time consumption of the entire measurement process.

Description

一种基于点激光成像的测量***A point laser imaging based measurement system 技术领域Technical field
本发明涉及一种非接触式尺寸测量***，更具体地，涉及一种基于点激光成像的测量***。The present invention relates to a non-contact size measurement system, and more particularly to a point laser imaging based measurement system.
背景技术Background technique
非接触式尺寸测量装置以光电、电磁、超声波等技术为基础，在仪器的测量元件不与被测物体表面接触的情况下，即可获得被测物体的各种外表或内在的尺寸数据特征。非接触式尺寸测量***与传统的接触式测距***相比精度更高、操作更方便、安全系数更高、洁净度高、测量过程中对被测物的污染程度小，从而被应用于工业生产及科学研究的多个领域。The non-contact size measuring device is based on photoelectric, electromagnetic, ultrasonic and other technologies. When the measuring element of the instrument is not in contact with the surface of the object to be measured, various appearance or intrinsic dimensional data characteristics of the measured object can be obtained. Compared with the traditional contact distance measuring system, the non-contact size measuring system has higher precision, more convenient operation, higher safety factor, higher cleanliness, less pollution to the measured object during measurement, and thus is applied to the industry. Multiple areas of production and scientific research.
典型的非接触式尺寸测量方法如激光三角法、电涡流法、超声测量法、视觉成像测量法、超声波测量法等等，其中视觉成像测量法是指通过机器视觉产品(即图像摄取装置，分CMOS相机和CCD相机两种，CMOS相机像素较高，大约为2500万像素，CCD相机像素较低，大约为150万像素)将被摄取目标转换成图像信号，传送给专用的图像处理***，根据像素分布和亮度、颜色等信息，转变成数字化信号，图像***对这些信号进行各种运算来抽取目标的特征，进而根据判别的结果来控制现场的设备动作，在测量缺陷和防止缺陷产品被配送到消费者的功能方面具有不可估量的价值。Typical non-contact size measurement methods such as laser triangulation, eddy current method, ultrasonic measurement, visual imaging measurement, ultrasonic measurement, etc., wherein visual imaging measurement refers to the adoption of machine vision products (ie, image acquisition devices, Two kinds of CMOS cameras and CCD cameras, CMOS camera pixels are high, about 25 million pixels, CCD camera pixels are low, about 1.5 million pixels), the target is converted into an image signal, and transmitted to a dedicated image processing system, according to Pixel distribution and brightness, color and other information are converted into digital signals. The image system performs various operations on these signals to extract the features of the target, and then controls the on-site device actions according to the result of the discrimination, and measures the defects and prevents defective products from being distributed. It is immeasurable in terms of the function of the consumer.
现有技术中的激光成像式测量***对于测量待测物表面的复杂形状具有一定的局限性，例如需要测量产品表面的复杂曲面、斜面、槽、圆孔等尺寸，需要人工辅助操作的步骤多、自动化程度低，从而导致整个测量过程耗费时间过长，且测量不精确。The laser imaging type measuring system in the prior art has certain limitations for measuring the complex shape of the surface of the object to be tested, for example, it is necessary to measure the complex curved surface, the inclined surface, the groove, the circular hole and the like on the surface of the product, and the steps requiring manual auxiliary operations are many. The degree of automation is low, which leads to the entire measurement process taking too long and the measurement is not accurate.
发明内容Summary of the invention
针对上述技术中存在的不足之处，本发明的目的是提供一种基于点激光成像的测量***，对现有的非接触式测量***进行优化改进，确保在保证测量精度的前提下通过减少人工辅助操作的步骤来提高自动化程度，从而导致 减少整个测量过程所耗费的时间。为了实现根据本发明的这些目的和其他优点，提供了一种基于点激光成像的测量***，其特征在于，包括：In view of the deficiencies in the above techniques, the object of the present invention is to provide a measurement system based on point laser imaging, which optimizes and improves the existing non-contact measurement system, and ensures that the manual is reduced while ensuring measurement accuracy. Steps to assist in operations to increase automation, resulting in Reduce the time spent on the entire measurement process. In order to achieve these and other advantages in accordance with the present invention, a point laser imaging based measurement system is provided, comprising:
控制***；Control System;
工作台；Workbench
设于所述工作台上的待测物固定组件；以及a test object fixing component disposed on the workbench;
固定在所述工作台上的导轨组件，a rail assembly fixed to the workbench,
其中，所述导轨组件包括上导轨、平行设置且相距一定距离的左导轨与右导轨，所述上导轨可滑动地横跨于所述左导轨与右导轨之间，所述上导轨之上可往复滑动地设有检测组件，所述导轨组件及所述检测组件分别与所述控制***电连接。Wherein, the rail assembly comprises an upper rail, left and right rails disposed in parallel and at a distance, the upper rail slidably spanning between the left rail and the right rail, and the upper rail is A detecting assembly is provided to reciprocally slide, and the rail assembly and the detecting assembly are electrically connected to the control system, respectively.
优选的是，所述检测组件包括套设在所述上导轨上并且可往复滑动的支架、设于所述支架的一侧并且可上下滑动的CCD相机、设于所述CCD相机旁侧的读码器、以及设于所述CCD相机另一侧的激光发射器。Preferably, the detecting component comprises a bracket sleeved on the upper rail and reciprocally slidable, a CCD camera disposed on one side of the bracket and slidable up and down, and a reading disposed on a side of the CCD camera a coder and a laser emitter disposed on the other side of the CCD camera.
优选的是，所述CCD相机的镜头外圈设置有环形光源，所述支架的下方连接有L形的连接臂。Preferably, the outer ring of the lens of the CCD camera is provided with an annular light source, and an L-shaped connecting arm is connected below the bracket.
优选的是，所述连接臂的末端设有与所述CCD相机相对的相机背光源，所述支架、CCD相机、读码器、激光发射器、环形光源、以及相机背光源与所述控制***电连接。Preferably, the end of the connecting arm is provided with a camera backlight opposite to the CCD camera, the bracket, the CCD camera, the code reader, the laser emitter, the ring light source, and the camera backlight and the control system Electrical connection.
优选的是，所述待测物固定组件设于所述上导轨之下、左导轨与右导轨之间，所述待测物固定组件包括支架组件、设于所述支架组件上的固定盘组件、以及固定安装于所述固定盘组件上的压盘。Preferably, the object to be tested fixing component is disposed under the upper rail, between the left rail and the right rail, and the object to be tested fixing component comprises a bracket assembly, and a fixing disc assembly disposed on the bracket assembly. And a pressure plate fixedly mounted on the fixed disk assembly.
优选的是，所述支架组件包括设有安装槽的支架板以及用于支持所述支架板的左支脚与右支脚，所述左支脚与右支脚平行设置。Preferably, the bracket assembly includes a bracket plate provided with a mounting slot and a left leg and a right leg for supporting the bracket plate, the left leg being disposed in parallel with the right leg.
优选的是，所述固定盘组件包括带有减重槽的固定盘以及设于所述减重槽周围的固定夹具组件。Preferably, the fixed disk assembly includes a fixed disk with a weight reducing slot and a fixed clamp assembly disposed around the weight reducing slot.
优选的是，所述固定夹具组件包括用于固定待测物竖直方向位置的至少一个竖直固定夹具与用于固定待测物水平方向位置的至少一个水平固定夹具。Preferably, the fixing jig assembly includes at least one vertical fixing jig for fixing a position in a vertical direction of the object to be tested and at least one horizontal fixing jig for fixing a position in a horizontal direction of the object to be tested.
优选的是，所述压盘包括用于压紧待测物外周边缘的闭型压盘框架、设 于所述闭型压盘框架的内部的至少一条支撑条、设于所述闭型压盘框架的外周的压紧条。Preferably, the pressure plate comprises a closed platen frame for pressing the outer peripheral edge of the object to be tested, At least one support strip inside the closed platen frame, and a compression strip provided on an outer circumference of the closed platen frame.
优选的是，所述支撑条及压紧条均与所述闭型压盘框架一体成型，所述压紧条的数目与所述竖直固定夹具的数目相等。Preferably, the support strip and the compression strip are integrally formed with the closed platen frame, and the number of the compression bars is equal to the number of the vertical fixing jigs.
本发明与现有技术相比，其有益效果是：Compared with the prior art, the invention has the following beneficial effects:
1.由于所述导轨组件包括上导轨、平行设置且相距一定距离的左导轨与右导轨，所述上导轨可滑动地横跨于所述左导轨与右导轨之间，所述上导轨之上可滑动地设有检测组件，从而使得所述检测组件可实现两个自由度的位移运动。1. Since the rail assembly comprises an upper rail, left and right rails arranged in parallel and at a distance, the upper rail slidably spans between the left rail and the right rail, above the upper rail A detection assembly is slidably disposed such that the detection assembly can achieve a displacement of two degrees of freedom.
2.由于所述检测组件包括套设在所述上导轨上并且可往复滑动的支架、设于所述支架的一侧并且可上下滑动的CCD相机、设于所述CCD相机旁侧的读码器、以及设于所述CCD相机另一侧的激光发射器，使得所述CCD相机可实现第三个自由度即竖直方向上的位移运动，从而使得所述CCD相机可在支架的调整下来调整焦距，提高拍摄清晰度，读码器亦可在CCD相机拍摄过程中对产品上的条码进行扫描，而激光发射器可发射点激光束至待测物表面。2. Since the detecting assembly includes a bracket sleeved on the upper rail and reciprocally slidable, a CCD camera disposed on one side of the bracket and slidable up and down, and a reading code disposed on a side of the CCD camera And a laser emitter disposed on the other side of the CCD camera, such that the CCD camera can realize a third degree of freedom, that is, a displacement movement in a vertical direction, so that the CCD camera can be adjusted in the bracket Adjusting the focal length to improve the sharpness of the shooting, the reader can also scan the barcode on the product during the CCD camera shooting, and the laser emitter can emit the laser beam to the surface of the object to be tested.
3.由于所述CCD相机的镜头外圈设置有环形光源，所述支架的下方连接有L形的连接臂，所述连接臂的末端设有与所述CCD相机相对的相机背光源，所述支架、CCD相机、读码器、激光发射器、环形光源、以及相机背光源与所述控制***电连接，使得所述支架、CCD相机、读码器、激光发射器、环形光源、以及相机背光源可在所述控制***的协同作用下，实现支架与CCD相机的焦距自动调节；实现对于不同的环境光源，通过相机背光源与环形光源的相互协调来调整相应的打光方式，如光线的强弱、打光的方向等等，使得成像图片不至于曝光过度或曝光不够，充分保证测量精度。3. Since the lens outer ring of the CCD camera is provided with an annular light source, an L-shaped connecting arm is connected below the bracket, and the end of the connecting arm is provided with a camera backlight opposite to the CCD camera, A bracket, a CCD camera, a code reader, a laser emitter, a ring light source, and a camera backlight are electrically coupled to the control system such that the bracket, CCD camera, code reader, laser emitter, ring light source, and camera backlight The source can automatically adjust the focal length of the bracket and the CCD camera under the synergistic effect of the control system; for different environmental light sources, the corresponding lighting mode, such as light, is adjusted by mutual coordination between the camera backlight and the ring light source. The strength and weakness, the direction of lighting, and the like, so that the image is not overexposed or insufficiently exposed, fully ensuring measurement accuracy.
4.由于所述待测物固定组件设于所述上导轨之下、左导轨与右导轨之间，所述待测物固定组件包括支架组件、设于所述支架组件上的固定盘组件，从而使得检测组件在移动过程中可方便地进行拍摄测量，提高测量效率。 4. The test object fixing component includes a bracket assembly and a fixed disk assembly disposed on the bracket assembly, wherein the object to be tested fixing component is disposed under the upper rail and between the left rail and the right rail. Thereby, the detecting component can conveniently perform shooting measurement during the moving process, thereby improving measurement efficiency.
5.由于所述固定夹具组件包括用于固定待测物竖直方向位置的至少一个竖直固定夹具与用于固定待测物水平方向位置的至少一个水平固定夹具，从而使得待测物能够在竖直及水平方向上受到约束定位，减少测量过程中由于定位不稳固出现的测量误差。5. Since the fixing jig assembly includes at least one vertical fixing jig for fixing a position in a vertical direction of the object to be tested and at least one horizontal fixing jig for fixing a position in a horizontal direction of the object to be tested, thereby enabling the object to be tested to be Constrained positioning in the vertical and horizontal directions reduces the measurement error due to unstable positioning during measurement.
6.由于所述压盘包括用于压紧待测物外周边缘的闭型压盘框架、设于所述闭型压盘框架的内部的至少一条支撑条、设于所述闭型压盘框架的外周的压紧条，从而使得所述压盘可利用待测物的不需要测量尺寸特征的一些边缘区域及中心区域来将待测物固定压紧于所述固定盘之上。6. Since the pressure plate comprises a closed platen frame for pressing the outer peripheral edge of the object to be tested, at least one support strip provided inside the closed platen frame, and the closed platen frame is provided The peripheral compression strips are such that the pressure plate can utilize the edge regions and the central region of the object to be tested that do not require measurement of the dimensional features to securely compress the object to be tested over the fixed disk.
本发明的其他优点、目标和特征将部分通过下面的说明体现，部分还将通过对本发明的研究和实践而为本领域的技术人员所理解。Other advantages, objects, and features of the invention will be set forth in part in the description in the description which
附图说明DRAWINGS
图1是根据本发明的基于点激光成像的测量***的一实施例的轴测图；1 is a perspective view of an embodiment of a point laser imaging based measurement system in accordance with the present invention;
图2是根据本发明的基于点激光成像的测量***的一实施例的正视图；2 is a front elevational view of an embodiment of a point laser imaging based measurement system in accordance with the present invention;
图3是根据本发明的基于点激光成像的测量***的一实施例的俯视图；3 is a top plan view of an embodiment of a point laser imaging based measurement system in accordance with the present invention;
图4是根据本发明的基于点激光成像的测量***的一实施例中的上导轨与检测组件的轴测图；4 is an isometric view of an upper rail and a detection assembly in an embodiment of a point laser imaging based measurement system in accordance with the present invention;
图5是根据本发明的基于点激光成像的测量***的一实施例中的待测物固定组件的轴测图；5 is an isometric view of an analyte fixing assembly in an embodiment of a point laser imaging based measurement system in accordance with the present invention;
图6是根据本发明的基于点激光成像的测量***的一实施例中的待测物固定组件的***图；6 is an exploded view of a fixture fixing assembly in an embodiment of a point laser imaging based measurement system in accordance with the present invention;
图7是根据本发明的基于点激光成像的测量***的一实施例中的具体测量方法中CCD相机的位移轨迹俯视图；7 is a top plan view of a displacement trajectory of a CCD camera in a specific measurement method in an embodiment of a point laser imaging based measurement system according to the present invention;
图8是根据本发明的基于点激光成像的测量***的一实施例中的具体测量方法中CCD相机在待测物截面上的取点图。Figure 8 is a point diagram of a CCD camera on a cross section of a test object in a specific measurement method in an embodiment of a point laser imaging based measurement system in accordance with the present invention.
具体实施方式 detailed description
下面结合附图对本发明做进一步的详细说明，本发明的前述和其它目的、特征、方面和优点将变得更加明显，以令本领域技术人员参照说明书文字能够据以实施。The above and other objects, features, aspects and advantages of the present invention will become more apparent from
参照图1、图2及图3，基于点激光成像的测量***100包括：控制***(略画)、工作台组件110、导轨组件、检测组件120、以及待测物固定组件130，其中，所述工作台组件110包括工作台111，导轨组件设于工作台111上，导轨组件包括上导轨114、平行设置且相距一定距离的左导轨112与右导轨113，上导轨114可滑动地横跨于左导轨112与右导轨113之间，检测组件120可往复滑动地设于上导轨114之上，待测物固定组件130设于工作台111之上，所述导轨组件及检测组件120分别与所述控制***电连接。1, 2 and 3, the point laser imaging based measurement system 100 includes: a control system (slightly drawn), a table assembly 110, a rail assembly, a detection assembly 120, and a test object fixing assembly 130, wherein The table assembly 110 includes a table 111. The rail assembly is disposed on the table 111. The rail assembly includes an upper rail 114, and a left rail 112 and a right rail 113 disposed in parallel and spaced apart from each other. The upper rail 114 is slidably spanned across Between the left rail 112 and the right rail 113, the detecting component 120 is reciprocally slidably disposed on the upper rail 114, and the workpiece fixing component 130 is disposed on the table 111. The rail component and the detecting component 120 are respectively The control system is electrically connected.
参照图4，所述检测组件120包括套设在上导轨114上并且可往复滑动的支架121、设于支架121的一侧并且可上下滑动的CCD相机122、设于CCD相机122旁侧的读码器124、以及设于CCD相机122另一侧的激光发射器123，此外CCD相机122的镜头外圈设置有环形光源122a。作为一种实施方式，CCD相机122的上下滑动由驱动气缸121a驱动。Referring to FIG. 4, the detecting assembly 120 includes a bracket 121 sleeved on the upper rail 114 and reciprocally slidable, a CCD camera 122 disposed on one side of the bracket 121 and slidable up and down, and a reading disposed on the side of the CCD camera 122. The encoder 124 and the laser emitter 123 provided on the other side of the CCD camera 122 are further provided with an annular light source 122a on the outer lens ring of the CCD camera 122. As an embodiment, the up and down sliding of the CCD camera 122 is driven by the driving cylinder 121a.
再次参照图4，支架121的下方连接有L形的连接臂125，连接臂125的末端设有与CCD相机122相对的相机背光源126，所述支架125、CCD相机122、读码器124、激光发射器123、环形光源122a、驱动气缸121a\以及相机背光源126与所述控制***电连接。Referring again to FIG. 4, an L-shaped connecting arm 125 is connected below the bracket 121. The end of the connecting arm 125 is provided with a camera backlight 126 opposite to the CCD camera 122. The bracket 125, the CCD camera 122, the code reader 124, Laser emitter 123, annular source 122a, drive cylinder 121a\, and camera backlight 126 are electrically coupled to the control system.
参照图1、图5及图6，待测物固定组件130设于上导轨114之下、左导轨112与右导轨113之间，待测物固定组件130包括支架组件、设于所述支架组件上的固定盘组件134、以及固定安装于固定盘组件134上的压盘135，其中，所述支架组件包括设有安装槽133a的支架板133以及用于支持支架板133的左支脚131与右支脚132，左支脚131与右支脚132平行设置，固定盘组件134包括带有减重槽134a的固定盘以及设于减重槽134a周围的固定夹具组件，所述固定夹具组件包括用于固定待测物竖直方向位置的至少一个竖直固定夹具134b与用于固定待测物水平方向位置的至少一个水平固定夹具134c。作为一种实施方式，如图5、图6所示，竖直固定夹具134b共有四个，分别设于减重槽134a左右两侧各一个以及减重槽134a后侧两个，水平固定 夹具134c共有三个，分别设于减重槽134a的前侧两个以及减重槽134a的右侧一个。Referring to FIG. 1 , FIG. 5 and FIG. 6 , the object to be tested fixing component 130 is disposed under the upper rail 114 , between the left rail 112 and the right rail 113 , and the object to be tested fixing component 130 includes a bracket assembly and is disposed on the bracket assembly. The upper fixed disk assembly 134 and the pressure plate 135 fixedly mounted on the fixed disk assembly 134, wherein the bracket assembly includes a bracket plate 133 provided with a mounting groove 133a and a left leg 131 and a right for supporting the bracket plate 133 The leg 132, the left leg 131 is disposed in parallel with the right leg 132, and the fixed disk assembly 134 includes a fixed disk with a weight reducing groove 134a and a fixing clamp assembly disposed around the weight reducing groove 134a, the fixing clamp assembly including for fixing At least one vertical fixing jig 134b at a position in the vertical direction of the object and at least one horizontal fixing jig 134c for fixing a position in a horizontal direction of the object to be tested. As shown in FIG. 5 and FIG. 6 , there are four vertical fixing jigs 134 b , which are respectively disposed on one of the left and right sides of the weight reducing groove 134 a and the rear side of the weight reducing groove 134 a , and are horizontally fixed. There are three clamps 134c, which are respectively disposed on the front side of the weight reduction groove 134a and the right side of the weight reduction groove 134a.
再次参照图6，压盘135包括用于压紧待测物外周边缘的闭型压盘框架、设于所述闭型压盘框架的内部的至少一条支撑条135a、设于所述闭型压盘框架的外周的压紧条135b、135c，支撑条135a及压紧条135b、135c均与所述闭型压盘框架一体成型。作为一种实施方式，支撑条135a设有两条，关于压盘135的水平纵向对称轴对称设置；压紧条设有4条，其中，压紧条135b设有两条，设于所述闭型压盘框架的后侧，并由位于减重槽134a后侧的两个竖直固定夹具134b夹紧，压紧条135c设有两条，分别设于所述闭型压盘框架的左右两侧，并分别由减重槽134a左右两侧的竖直固定夹具134b夹紧。Referring again to FIG. 6, the platen 135 includes a closed platen frame for pressing the outer peripheral edge of the object to be tested, at least one support strip 135a disposed inside the closed platen frame, and is disposed at the closed type pressure. The outer peripheral pressing bars 135b, 135c, the support bars 135a and the pressing bars 135b, 135c are integrally formed with the closed platen frame. As an embodiment, the support bar 135a is provided with two, symmetrically disposed about the horizontal longitudinal symmetry of the pressure plate 135; the compression bar is provided with four, wherein the compression bar 135b is provided with two, and is disposed at the closed The rear side of the platen frame is clamped by two vertical fixing jigs 134b located on the rear side of the weight reducing groove 134a, and the pressing bar 135c is provided with two, respectively disposed on the left and right sides of the closed platen frame The sides are respectively clamped by the vertical fixing jigs 134b on the left and right sides of the weight reducing groove 134a.
工作原理：检测组件120在左右导轨112、113及上导轨114的带动下可实现三个自由度方向上的位移，从而为CCD相机的拍摄测量奠定结构上的传动基础，CCD相机在驱动***的作用下，围绕夹装于待测物固定组件130的待测物外圈走多圈，边走边采集尺寸数据，最终完成待测物外圈尺寸数据的采集。参照图7与图8，待测物200包括基盘210，基盘210上设有槽部220，槽部220依次邻接有斜面S1、斜面S2、斜面S3以及斜面S4，现需要测量由斜面S1、斜面S2、斜面S3、斜面S4以及槽部220构成的剖面轮廓。Working principle: the detecting component 120 can realize displacement in three degrees of freedom under the driving of the left and right rails 112, 113 and the upper rail 114, thereby laying a structural transmission foundation for the photographing measurement of the CCD camera, and the CCD camera is in the driving system. Under the action, the outer ring of the object to be tested clamped on the object to be tested 130 is taken for a plurality of turns, and the size data is collected while walking, and finally the outer ring size data of the object to be tested is collected. Referring to FIG. 7 and FIG. 8, the object to be tested 200 includes a base plate 210. The base plate 210 is provided with a groove portion 220. The groove portion 220 is sequentially adjacent to the inclined surface S1, the inclined surface S2, the inclined surface S3, and the inclined surface S4, and is required to be measured by the inclined surface S1. The cross-sectional profile formed by the inclined surface S2, the inclined surface S3, the inclined surface S4, and the groove portion 220.
具体的测量步骤如下：The specific measurement steps are as follows:
1.预先将由斜面S1、斜面S2、斜面S3、斜面S4以及槽部220构成的待测物上表面沿其剖面线等分成若干段，每个小段由激光发射器打出光斑于其上，并由CCD相机拍摄依次采集这些点。1. The upper surface of the object to be tested, which is composed of the inclined surface S1, the inclined surface S2, the inclined surface S3, the inclined surface S4 and the groove portion 220, is divided into several sections along the section line thereof, and each small section is driven by the laser emitter to be spotted thereon, and The CCD camera captures these points in sequence.
2.具体地，如图8所示，待测物200的上表面沿剖面线方向等分成20段，可在每段上等距取出P1、P2、P3、P4……P20共计20个等分点，为了依次测量出这些点，可将CCD相机按如图7所示的轨迹线依次测量这些点。2. Specifically, as shown in FIG. 8, the upper surface of the object to be tested 200 is equally divided into 20 segments along the section line direction, and P1, P2, P3, P4, ... P20 can be taken equidistantly on each segment for a total of 20 equal parts. Point, in order to sequentially measure these points, the CCD camera can be sequentially measured in accordance with the trajectory shown in FIG.
3.具体地，如图9所示，在待测物表面上等距地设定测量轨迹线R1、R2……R10，其中，P1、P2、P3、P4……P20共计20个等分点沿其中一条剖面线各自分散于待测物表面上的测量轨迹线上，即：P1与P20位于测量轨迹线R1上，P2与P19位于测量轨迹线R2上，P3与P18 位于测量轨迹线R3上，P4与P17位于测量轨迹线R4上，P5与P16位于测量轨迹线R5上，P6与P15位于测量轨迹线R6上，P7与P14位于测量轨迹线R7上，P8与P13位于测量轨迹线R8上，P9与P12位于测量轨迹线R9上，P10与P11位于测量轨迹线R10上，CCD相机绕测量轨迹线走一圈即可完成同一剖面线上的前后两个测量点，如CCD相机绕测量轨迹线R1走一圈，即可完成对点P2与点P19的测量，因此对于不同的剖面线上的测量点，CCD相机绕测量轨迹线走一圈就能完成所有剖面线上的测量点的测量。如此，CCD相机可依次沿R1至R10完成测量，或者依次沿R10至R1完成测量，测量出所有待测点之后，就可得出待测物表面的尺寸特征是否满足设定要求。3. Specifically, as shown in FIG. 9, the measurement trajectories R1, R2, ... R10 are equidistantly set on the surface of the object to be tested, wherein P1, P2, P3, P4, ... P20 total 20 aliquots One of the section lines is scattered on the measurement track line on the surface of the object to be tested, that is, P1 and P20 are located on the measurement track line R1, and P2 and P19 are located on the measurement track line R2, P3 and P18. Located on the measurement trajectory R3, P4 and P17 are located on the measurement trajectory R4, P5 and P16 are located on the measurement trajectory R5, P6 and P15 are located on the measurement trajectory R6, P7 and P14 are located on the measurement trajectory R7, P8 and P13 Located on the measurement trajectory R8, P9 and P12 are located on the measurement trajectory R9, P10 and P11 are located on the measurement trajectory R10, and the CCD camera can complete two measurement points on the same section line by taking one circle around the measurement trajectory. If the CCD camera makes a circle around the measurement trajectory R1, the measurement of the point P2 and the point P19 can be completed. Therefore, for the measurement points on different section lines, the CCD camera can complete all the section lines by one round around the measurement trajectory. Measurement of the measurement points on. In this way, the CCD camera can complete the measurement along R1 to R10 in turn, or sequentially complete the measurement along R10 to R1, and after measuring all the points to be measured, it can be determined whether the size feature of the surface of the object to be tested satisfies the setting requirement.
这里说明的设备数量和处理规模是用来简化本发明的说明的。对本发明的应用、修改和变化对本领域的技术人员来说是显而易见的。The number of devices and processing scales described herein are intended to simplify the description of the present invention. Applicability, modifications, and variations of the present invention will be apparent to those skilled in the art.
如上所述，根据本发明，能够取得如下有益效果：As described above, according to the present invention, the following advantageous effects can be obtained:
1.由于所述导轨组件包括上导轨114、平行设置且相距一定距离的左导轨112与右导轨113，上导轨114可滑动地横跨于左导轨112与右导轨113之间，上导轨114之上可滑动地设有检测组件120，从而使得检测组件120可实现两个自由度的位移运动。1. Since the rail assembly includes an upper rail 114, and a left rail 112 and a right rail 113 disposed in parallel and spaced apart from each other, the upper rail 114 slidably straddles between the left rail 112 and the right rail 113, and the upper rail 114 The detection assembly 120 is slidably disposed such that the detection assembly 120 can achieve two degrees of freedom of displacement motion.
2.由于检测组件120包括套设在上导轨114上并且可往复滑动的支架121、设于支架121的一侧并且可上下滑动的CCD相机122、设于CCD相机122旁侧的读码器124、以及设于CCD相机122另一侧的激光发射器123，使得CCD相机122可实现第三个自由度即竖直方向上的位移运动，从而使得CCD相机122可在支架121的调整下来调整焦距，提高拍摄清晰度，读码器124亦可在CCD相机122拍摄过程中对产品上的条码进行扫描，而激光发射器123可发射点激光束至待测物表面。2. Since the detecting component 120 includes a bracket 121 that is sleeved on the upper rail 114 and reciprocally slidable, a CCD camera 122 that is disposed on one side of the bracket 121 and can slide up and down, and a code reader 124 disposed on the side of the CCD camera 122. And the laser emitter 123 disposed on the other side of the CCD camera 122, so that the CCD camera 122 can realize a third degree of freedom, that is, a displacement movement in the vertical direction, so that the CCD camera 122 can adjust the focal length under the adjustment of the bracket 121. To improve the sharpness of the shooting, the code reader 124 can also scan the barcode on the product during the shooting of the CCD camera 122, and the laser emitter 123 can emit a laser beam to the surface of the object to be tested.
3.由于CCD相机122的镜头外圈设置有环形光源122a，支架121的下方连接有L形的连接臂125，连接臂125的末端设有与CCD相机122相对的相机背光源126，支架121、CCD相机122、读码器124、激光发射器123、环形光源122a、以及相机背光源126与所述控制*** 电连接，使得支架121、CCD相机122、读码器124、激光发射器123、环形光源122a、以及相机背光源126可在所述控制***的协同作用下，实现支架121与CCD相机122的焦距自动调节；实现对于不同的环境光源，通过相机背光源126与环形光源122a的相互协调来调整相应的打光方式，如光线的强弱、打光的方向等等，使得成像图片不至于曝光过度或曝光不够，充分保证测量精度。3. Since the lens outer ring of the CCD camera 122 is provided with the annular light source 122a, the L-shaped connecting arm 125 is connected below the bracket 121, and the end of the connecting arm 125 is provided with a camera backlight 126 opposite to the CCD camera 122, the bracket 121, a CCD camera 122, a code reader 124, a laser emitter 123, an annular light source 122a, and a camera backlight 126 and the control system Electrically connected, such that the bracket 121, the CCD camera 122, the code reader 124, the laser emitter 123, the annular light source 122a, and the camera backlight 126 can achieve the focal length of the bracket 121 and the CCD camera 122 under the synergy of the control system. Automatic adjustment; for different ambient light sources, the camera backlight 126 and the ring light source 122a are coordinated with each other to adjust the corresponding lighting mode, such as the intensity of the light, the direction of the light, etc., so that the image is not overexposed Or insufficient exposure to fully guarantee the measurement accuracy.
4.由于待测物固定组件130设于上导轨114之下、左导轨112与右导轨113之间，待测物固定组件130包括支架组件、设于所述支架组件上的固定盘组件134、以及固定安装于固定盘组件134上的压盘135，从而使得检测组件120在移动过程中可方便地进行拍摄测量，提高测量效率。4. The test object fixing component 130 is disposed under the upper rail 114 and between the left rail 112 and the right rail 113. The object to be tested fixing component 130 includes a bracket assembly, a fixed disk assembly 134 disposed on the bracket assembly, And a pressure plate 135 fixedly mounted on the fixed disk assembly 134, so that the detecting component 120 can conveniently perform shooting measurement during the moving process, thereby improving measurement efficiency.
5.由于所述固定夹具组件包括用于固定待测物竖直方向位置的至少一个竖直固定夹具134b与用于固定待测物水平方向位置的至少一个水平固定夹具134c，从而使得待测物能够在竖直及水平方向上受到约束定位，减少测量过程中由于定位不稳固出现的测量误差。5. Since the fixing jig assembly includes at least one vertical fixing jig 134b for fixing a position in a vertical direction of the object to be tested and at least one horizontal fixing jig 134c for fixing a position in a horizontal direction of the object to be tested, thereby causing the object to be tested It can be constrained and positioned in the vertical and horizontal directions, reducing the measurement error caused by unstable positioning during measurement.
6.由于压盘135包括用于压紧待测物外周边缘的闭型压盘框架、设于所述闭型压盘框架的内部的至少一条支撑条135a、设于所述闭型压盘框架的外周的压紧条135b、135c，支撑条135a及压紧条135b、135c均与所述闭型压盘框架一体成型，从而使得所述压盘可利用待测物的不需要测量尺寸特征的一些边缘区域及中心区域来将待测物固定压紧于所述固定盘之上。6. Since the pressure plate 135 includes a closed platen frame for pressing the outer peripheral edge of the object to be tested, at least one support bar 135a disposed inside the closed platen frame, and the closed platen frame The outer peripheral pressing strips 135b, 135c, the supporting strips 135a and the pressing strips 135b, 135c are integrally formed with the closed pressing plate frame, so that the pressing plate can utilize the unmeasured dimensional characteristics of the object to be tested. Some edge regions and a central region are used to securely press the object to be pressed against the fixed disk.
尽管本发明的实施方案已公开如上，但其并不仅限于说明书和实施方式中所列运用，它完全可以被适用于各种适合本发明的领域，对于熟悉本领域的人员而言，可容易地实现另外的修改，因此在不背离权利要求及等同范围所限定的一般概念下，本发明并不限于特定的细节和这里示出与描述的图例。 Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the embodiments, and are fully applicable to various fields suitable for the present invention, and can be easily made by those skilled in the art. The invention is not limited to the specific details and the details shown and described herein, without departing from the scope of the appended claims.

Claims (10)

  1. 一种基于点激光成像的测量***，其特征在于，包括：A point laser imaging based measurement system, comprising:
    控制***；Control System;
    工作台；Workbench
    设于所述工作台上的待测物固定组件；以及a test object fixing component disposed on the workbench;
    固定在所述工作台上的导轨组件，a rail assembly fixed to the workbench,
    其中，所述导轨组件包括上导轨、平行设置且相距一定距离的左导轨与右导轨，所述上导轨可滑动地横跨于所述左导轨与右导轨之间，所述上导轨之上可往复滑动地设有检测组件，所述导轨组件及所述检测组件分别与所述控制***电连接。Wherein, the rail assembly comprises an upper rail, left and right rails disposed in parallel and at a distance, the upper rail slidably spanning between the left rail and the right rail, and the upper rail is A detecting assembly is provided to reciprocally slide, and the rail assembly and the detecting assembly are electrically connected to the control system, respectively.
  2. 如权利要求1所述的基于点激光成像的测量***，其特征在于，所述检测组件包括套设在所述上导轨上并且可往复滑动的支架、设于所述支架的一侧并且可上下滑动的CCD相机、设于所述CCD相机旁侧的读码器、以及设于所述CCD相机另一侧的激光发射器。A point laser imaging-based measuring system according to claim 1, wherein said detecting assembly comprises a bracket sleeved on said upper rail and reciprocally slidable, disposed on one side of said bracket and movable up and down a sliding CCD camera, a code reader disposed beside the CCD camera, and a laser emitter disposed on the other side of the CCD camera.
  3. 如权利要求2所述的基于点激光成像的测量***，其特征在于，所述CCD相机的镜头外圈设置有环形光源，所述支架的下方连接有L形的连接臂。The point laser imaging-based measuring system according to claim 2, wherein the lens outer ring of the CCD camera is provided with an annular light source, and an L-shaped connecting arm is connected below the bracket.
  4. 如权利要求3所述的基于点激光成像的测量***，其特征在于，所述连接臂的末端设有与所述CCD相机相对的相机背光源，所述支架、CCD相机、读码器、激光发射器、环形光源、以及相机背光源与所述控制***电连接。The point laser imaging-based measuring system according to claim 3, wherein the end of the connecting arm is provided with a camera backlight opposite to the CCD camera, the bracket, the CCD camera, the code reader, and the laser A transmitter, a ring light source, and a camera backlight are electrically coupled to the control system.
  5. 如权利要求1所述的基于点激光成像的测量***，其特征在于，所述待测物固定组件设于所述上导轨之下、左导轨与右导轨之间，所述待测物固定组件包括支架组件、设于所述支架组件上的固定盘组件、以及固定安装于所述固定盘组件上的压盘。The point laser imaging-based measuring system according to claim 1, wherein the object to be tested fixing component is disposed under the upper rail, between the left rail and the right rail, and the object to be tested is fixed. A bracket assembly, a fixed disk assembly disposed on the bracket assembly, and a pressure plate fixedly mounted to the fixed disk assembly.
  6. 如权利要求5所述的基于点激光成像的测量***，其特征在于，所述支架组件包括设有安装槽的支架板以及用于支持所述支架板的左支脚与右支脚，所述左支脚与右支脚平行设置。A point laser imaging based measurement system according to claim 5, wherein said bracket assembly includes a bracket plate provided with a mounting slot and left and right legs for supporting said bracket plate, said left leg Set in parallel with the right leg.
  7. 如权利要求6所述的基于点激光成像的测量***，其特征在于，所述固定盘组件包括带有减重槽的固定盘以及设于所述减重槽周围的固定夹具组件。 A point laser imaging based measurement system according to claim 6 wherein said fixed disk assembly includes a fixed disk with a weight reducing slot and a fixed clamp assembly disposed about said weight reducing slot.
  8. 如权利要求7所述的基于点激光成像的测量***，其特征在于，所述固定夹具组件包括用于固定待测物竖直方向位置的至少一个竖直固定夹具与用于固定待测物水平方向位置的至少一个水平固定夹具。A point laser imaging-based measuring system according to claim 7, wherein said fixing jig assembly includes at least one vertical fixing jig for fixing a position in a vertical direction of the object to be tested and for fixing a level of the object to be tested At least one horizontal fixing fixture of the directional position.
  9. 如权利要求8所述的基于点激光成像的测量***，其特征在于，所述压盘包括用于压紧待测物外周边缘的闭型压盘框架、设于所述闭型压盘框架的内部的至少一条支撑条、设于所述闭型压盘框架的外周的压紧条。A point laser imaging-based measuring system according to claim 8, wherein said pressure plate comprises a closed platen frame for pressing a peripheral edge of the object to be tested, and is provided in said closed platen frame. At least one inner support bar, a compression strip disposed on an outer circumference of the closed platen frame.
  10. 如权利要求9所述的基于点激光成像的测量***，其特征在于，所述支撑条及压紧条均与所述闭型压盘框架一体成型，所述压紧条的数目与所述竖直固定夹具的数目相等。 The point laser imaging-based measuring system according to claim 9, wherein the support bar and the compression bar are integrally formed with the closed platen frame, the number of the compression bars and the vertical The number of straight fixtures is equal.
PCT/CN2016/106475 2016-03-16 2016-11-19 Measurement system based on point laser imaging WO2017157043A1 (en)

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