CN104567749A - Method and device for detecting linearity and perpendicularity of equipment - Google Patents
Method and device for detecting linearity and perpendicularity of equipment Download PDFInfo
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- CN104567749A CN104567749A CN201310507811.6A CN201310507811A CN104567749A CN 104567749 A CN104567749 A CN 104567749A CN 201310507811 A CN201310507811 A CN 201310507811A CN 104567749 A CN104567749 A CN 104567749A
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Abstract
The invention is applied to the technical field of detection, and particularly relates to a method and device for detecting the linearity and perpendicularity of equipment. The method comprises the following steps of fitting and generating a mark point straight line of an X axis according to pixel coordinates of mark points in M1 acquired images, and generating a linearity testing result of the X axis of the equipment; fitting and generating a mark point straight line of a Y axis according to the pixel coordinates of the mark points in the M1 acquired images, and generating a linearity testing result of the Y axis of the equipment; generating an included angle Thetaxy between the X axis and the Y axis according to Thetax and Thetay, and generating a perpendicularity testing result of the X axis and the Y axis of the equipment. According to the method and the device, the existing problems of low equipment linearity and perpendicularity detection efficiency and high cost are solved, the application range of equipment linearity and perpendicularity detection is widened, and the equipment linearity and perpendicularity detection efficiency is improved.
Description
Technical field
The invention belongs to detection technique field, particularly relate to detection method, the device of a kind of equipment linearity and verticality.
Background technology
Equipment is in the process of producing assembling, due to the reason of machining, assembling, applied environment etc., cause equipment XY axle to there is certain linearity and the deviation of verticality, the linearity of XY axle and verticality directly affect detection perform and the accuracy of detection of whole equipment.Straight line degree measurement is the most basic project in geometry metrology field, and it is the basis of the dimensional measurements such as flatness, the depth of parallelism, verticality, right alignment.Straight line degree measurement is also very important content in machinery manufacturing industry, and with dimensional accuracy, circularity and roughness with being called the 4 large key elements affecting product quality, this rationality use for commercial production and product has extremely important meaning.
At present, more method is adopted to have both at home and abroad: method of laser alignment, circularity method, lever method etc.Wherein method of laser alignment is using the center of energy of collimated laser beam as measuring basis, the laser that laser instrument sends is directive measuring sensor after collimation, the change of measuring sensor perceived position, the linearity of axle is obtained after software process, the method principle is simple, and equipment is simple, and precision is higher, but the object measured is comparatively large by the impact of hardware size, and range of application is very little.Circularity method requires also higher to measurand, and its precision is lower.Lever method belongs to approximate measure, and measuring equipment is heavy, is also not easy to use.For the measurement of verticality, most of producer does not all have good measuring method, can only be simple ensure by machining accuracy, homogeneity of product is bad, bring a lot of inconvenience to the detection of equipment linearity and verticality, cause the problem that the detection efficiency of equipment linearity and verticality is low, cost is high.
Summary of the invention
The object of the embodiment of the present invention is the detection method providing a kind of equipment linearity and verticality, is intended to the problem that detection efficiency is low, cost is high solving existing equipment linearity and verticality.
The embodiment of the present invention is achieved in that the detection method of a kind of equipment linearity and verticality, comprising:
The initial position of the X-axis of equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described X-axis and described scaling board, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described X-axis and described scaling board, and the M taken
1in width image, obtain the pixel coordinate of the gauge point corresponding with described X-axis, described M
1for being more than or equal to the integer of 1;
According to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of described equipment;
The initial position of the Y-axis of equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described Y-axis and described scaling board, after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps M altogether
2width comprises the image of the gauge point of described Y-axis and described scaling board, and the M taken
2in width image, obtain the pixel coordinate of the gauge point corresponding with described Y-axis, described M
2for being more than or equal to the integer of 1;
According to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment;
Obtain the gauge point straight line of described X-axis and the angle theta x of described X-axis of matching generation, and obtain the gauge point straight line of described Y-axis and the angle theta y of described Y-axis of matching generation, generate the angle theta xy of described X-axis and described Y-axis according to described θ x and described θ y, generate the verticality test result between described equipment X-axis and Y-axis.
Another object of the embodiment of the present invention is the pick-up unit providing a kind of equipment linearity and verticality, comprising:
First acquiring unit, initial position for the X-axis by equipment is arranged on the position of gauge point in scaling board, and capture apparatus claps the image that a width comprises the gauge point of described X-axis and described scaling board, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described X-axis and described scaling board, and the M taken
1in width image, obtain the pixel coordinate of the gauge point corresponding with described X-axis, described M
1for being more than or equal to the integer of 1;
First generation unit, according to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of described equipment;
Second acquisition unit, initial position for the Y-axis by equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described Y-axis and described scaling board, after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described Y-axis and described scaling board, and the M taken
2in width image, obtain the pixel coordinate of the gauge point corresponding with described Y-axis, described M
2for being more than or equal to the integer of 1;
Second generation unit, gets described M for basis
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment;
Adjustment unit, for obtaining the gauge point straight line of described X-axis and the angle theta x of described X-axis of matching generation, and obtain the gauge point straight line of described Y-axis and the angle theta y of described Y-axis of matching generation, generate the angle theta xy of described X-axis and described Y-axis according to described θ x and described θ y, generate the verticality test result between described equipment X-axis and Y-axis.
In the present embodiment, according to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of described equipment; According to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment; The angle theta xy of described X-axis and described Y-axis is generated according to described θ x and described θ y, generate the verticality test result between described equipment X-axis and Y-axis, make existing equipment without the need to the measuring equipment of additional heaviness, and simplify measuring process, thus solve existing equipment linearity and measuring for verticality efficiency is low, cost is high problem, increase the range of application of checkout equipment linearity and verticality, and improve the detection efficiency of equipment linearity and verticality.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the detection method of a kind of equipment linearity of providing of the embodiment of the present invention and verticality;
Fig. 2 is the preferably sample figure of scaling board in actual applications that the embodiment of the present invention provides;
Fig. 3 is the better sample figure of gauge point 1 in the X-axis that provides of the embodiment of the present invention;
Fig. 4 is the linearity matched curve figure of preferably X-axis provided by the invention;
Fig. 5 is the X-axis side-play amount curve map that the embodiment of the present invention provides;
Fig. 6 is that the X-axis of the piece image that provides of the embodiment of the present invention and the second width image to synthesize after piece image preferably schematic diagram;
Fig. 7 is the better sample figure of the gauge point 3 in the Y-axis that provides of the embodiment of the present invention;
Fig. 8 is the preferably Y-axis linearity matched curve figure that the embodiment of the present invention provides;
Fig. 9 is the preferably Y-axis side-play amount curve map that the embodiment of the present invention provides;
The Y-axis of the piece image that Figure 10 inventive embodiments provides and the second width image to synthesize after piece image preferably sample figure;
Figure 11 is the acquisition θ x preferably schematic diagram that the embodiment of the present invention provides;
Figure 12 is the acquisition θ y preferably schematic diagram that the embodiment of the present invention provides;
Figure 13 is the preferably schematic diagram can obtaining the angle theta xy between X-axis and Y-axis according to angle theta x and angle theta y that the embodiment of the present invention provides;
Figure 14 is the angle theta xy preferably sample figure of X-axis and Y-axis when practical application that the invention process provides;
Figure 15 is the implementing procedure of the linearity test result of X-axis after the generation equipment calibration that provides of the embodiment of the present invention and Y-axis;
Figure 16 is the present invention preferably implementing procedure figure in actual applications;
Figure 17 is the structure of the detecting device figure of the equipment linearity that provides of the embodiment of the present invention and verticality;
Figure 18 is the pick-up unit of the equipment linearity that provides of the embodiment of the present invention and verticality, for the preferably schematic diagram of the detection of the X of arbitrary equipment, the Y-axis linearity and verticality.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Be the realization flow figure of the detection method of a kind of equipment linearity of providing of the embodiment of the present invention and verticality with reference to figure 1, Fig. 1, details are as follows:
In step S101, the initial position of the X-axis of equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described X-axis and described scaling board, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described X-axis and described scaling board, and the M taken
1in width image, obtain the pixel coordinate of the gauge point corresponding with described X-axis, described M
1for being more than or equal to the integer of 1;
In the present embodiment, obtain the pixel coordinate of the gauge point corresponding with described X-axis, wherein, the real-time pixel coordinate obtaining a pixel is in the picture prior art, and specific implementation process, does not repeat at this.Pixel coordinate comprises horizontal ordinate and ordinate, by Real-time Obtaining to the ordinate of pixel and horizontal ordinate record storage, so that subsequent calls.
In the present embodiment, xmm is predeterminable range, and predeterminable range can be system default, also can for user is from establishing, and preferably, predeterminable range is the distance that on scaling board, two marks (Mark) are put.
The preferably sample figure of scaling board in actual applications that the embodiment of the present invention provides with reference to figure 2, Fig. 2.
With reference to the better sample figure of gauge point 1 that figure 3, Fig. 3 is in the X-axis that provides of the embodiment of the present invention.
In the present embodiment, X-axis initial position is arranged on the position of gauge point 1 in the scaling board shown in Fig. 3, claps piece image, clap piece image again after setting X-axis motion xmm by kinetic control system, guarantee that the second width image can photograph gauge point 1.If the pixel coordinate of the first width image tagged point 1 is (x1, y1), in the second width image of shooting after motion, the pixel coordinate of gauge point 1 is (x2, y2), can calculate the accuracy of detection=x/(x2-x1 of camera in X-axis).X-axis often walks xmm, claps piece image, guarantees there is gauge point in every width image.
In step s 102, according to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of described equipment;
In the present embodiment, owing to all comprising gauge point in every width image, therefore the pixel coordinate of gauge point can be extracted from image, obtain the pixel coordinate of multiple gauge point, pixel coordinate comprises horizontal ordinate and ordinate, according to ordinate and the horizontal ordinate of Real-time Obtaining gauge point, fit to a gauge point straight line, thus generate the linearity test result of the X-axis of described equipment.
Such as, clapped 8 width images altogether, the gauge point of the 1st width image is respectively (x1 to the pixel coordinate of the gauge point of the 8th image, y1) ... (x8, y8), with the 1st width image for benchmark, this 8 width image mosaic is become piece image, take out the new pixel coordinate of 8 gauge points and be respectively (x1 ', y1 ') ... (x8 ', y8 '), straight line is simulated according to these 8 coordinate points, that is: y=kx+b, so that subsequently through parameter k, the angle obtaining gauge point and X-axis is: θ x=atan(k).
With reference to the linearity matched curve figure that figure 4, Fig. 4 is the preferably X-axis that the embodiment of the present invention provides.
Wherein, the linearity matched curve of X-axis is the linearity test result of X-axis.
The X-axis side-play amount curve map that the embodiment of the present invention provides with reference to figure 5, Fig. 5, so that the side-play amount of X-axis is intuitively shown.
As a preferred embodiment of the present invention, described basis gets described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, comprising:
With described M
1piece image in width image is benchmark, by described M
1width image mosaic becomes piece image;
Extract M
1the pixel coordinate of gauge point in width image, generates the gauge point straight line of X-axis according to the pixel coordinate matching of described gauge point.
Preferably schematic diagram is synthesized after piece image with reference to figure 6, Fig. 6 X-axis that is the piece image that provides of the embodiment of the present invention and the second width image.
In step s 103, the initial position of the Y-axis of equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described Y-axis and described scaling board, after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps M altogether
2width comprises the image of the gauge point of described Y-axis and described scaling board, and the M taken
2in width image, obtain the pixel coordinate of the gauge point corresponding with described Y-axis, described M
2for being more than or equal to the integer of 1;
In the present embodiment, obtain the pixel coordinate of the gauge point corresponding with described Y-axis, wherein, the real-time pixel coordinate obtaining a pixel is in the picture prior art, and specific implementation process, does not repeat at this.Pixel coordinate comprises horizontal ordinate and ordinate, by Real-time Obtaining to the ordinate of pixel and horizontal ordinate record storage, so that subsequent calls.
In the present embodiment, ymm is predeterminable range, and predeterminable range can be system default, also can for user is from establishing, and preferably, predeterminable range is the distance that on scaling board, two marks (Mark) are put.
With reference to the better sample figure that figure 7, Fig. 7 is the gauge point 3 in the Y-axis that provides of the embodiment of the present invention.
In the present embodiment, Y-axis initial position is arranged on the position of gauge point 3 in the scaling board shown in Fig. 7, claps piece image, clap piece image again after setting Y-axis motion ymm by kinetic control system, guarantee that the second width image can photograph gauge point 3.If the pixel coordinate of gauge point 3 is (x3, y3) in piece image, in the second width image, the pixel coordinate of gauge point 3 is (x4, y4), can calculate the accuracy of detection=y/(y4-y3 of camera in Y-axis).Y-axis often walks ymm, claps piece image, guarantees there is gauge point in every width image.
In step S104, according to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment;
In the present embodiment, owing to all comprising gauge point in every width image, therefore the pixel coordinate of gauge point can be extracted from image, obtain the pixel coordinate of multiple gauge point, pixel coordinate comprises horizontal ordinate and ordinate, according to ordinate and the horizontal ordinate of Real-time Obtaining gauge point, fits to a gauge point straight line, this gauge point straight line covers most gauge point, can obtain the angle theta y of gauge point straight line and described Y-axis according to the slope of gauge point straight line.
Such as, clapped 8 width images altogether, the gauge point of the 1st width image is respectively (x1 to the pixel coordinate of the gauge point of the 8th image, y1) ... (x8, y8), with the 1st width image for benchmark, this 8 width image mosaic is become piece image, take out the new pixel coordinate of 8 gauge points and be respectively (x1 ', y1 ') ... (x8 ', y8 '), straight line is simulated according to these 8 coordinate points, that is: y=ky+b, so that subsequently through parameter k, the angle obtaining gauge point and Y-axis is: θ y=atan(k).
The preferably Y-axis linearity matched curve figure that the embodiment of the present invention provides with reference to figure 8, Fig. 8.
In the present embodiment, the matched curve of the Y-axis linearity is the linearity test result of the Y-axis of equipment.
The preferably Y-axis side-play amount curve map that the embodiment of the present invention provides with reference to figure 9, Fig. 9, so that the side-play amount of Y-axis is intuitively shown.
As a preferred embodiment of the present invention, described basis gets described M
2the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, comprising:
With described M
2piece image in width image is benchmark, by described M
2width image mosaic becomes piece image;
Extract M
2the pixel coordinate of gauge point in width image, generates the gauge point straight line of Y-axis according to the pixel coordinate matching of described gauge point.
The piece image provided with reference to Figure 10, Figure 10 inventive embodiments and the Y-axis of the second width image to synthesize after piece image preferably sample figure.
In the present embodiment, with M
2piece image in width image is benchmark, can adopt and carry out rim detection to image, then by M
2width image mosaic becomes piece image.
In step S105, obtain the gauge point straight line of described X-axis and the angle theta x of described X-axis of matching generation, and obtain the gauge point straight line of described Y-axis and the angle theta y of described Y-axis of matching generation, generate the angle theta xy of described X-axis and described Y-axis according to described θ x and described θ y, generate the verticality test result between described equipment X-axis and Y-axis.
Reference Figure 11, Figure 11 are the acquisition θ x preferably schematic diagrams that the embodiment of the present invention provides.
In the present embodiment, the gauge point straight line of this X-axis covers most gauge point, can obtain the angle theta x of gauge point straight line and X-axis according to the slope of the gauge point straight line of X-axis.
Reference Figure 12, Figure 12 are the acquisition θ y preferably schematic diagrams that the embodiment of the present invention provides.
In the present embodiment, the gauge point straight line of this Y-axis covers most gauge point, can obtain the angle theta y of gauge point straight line and Y-axis according to the slope of the gauge point straight line of Y-axis.
In the present embodiment, after getting θ x and θ y, due to θ x, θ
ytriangle is defined, θ x, θ with θ xy
yfor leg-of-mutton two interior angles, the angle of θ xy therefore directly can be got.
Reference Figure 13, Figure 13 are the preferably schematic diagram can obtaining the angle theta xy between X-axis and Y-axis according to angle theta x and angle theta y that the embodiment of the present invention provides.
As a preferred embodiment of the present invention, generate the angle theta xy of described X-axis and described Y-axis according to described θ x and described θ y, when described θ xy is different from predetermined angle, adjust described θ xy to predetermined angle.
The angle theta xy preferably sample figure of X-axis and Y-axis when practical application that the invention process provides with reference to Figure 14, Figure 14.
In the present embodiment, when θ xy is different from predetermined angle, adjustment θ xy is to predetermined angle.Such as, when the θ xy in Figure 14 is not predetermined angle, adjustable θ xy is to predetermined angle.Make equipment to its verticality, automatic calibration can be carried out, save the time of calibration, improve the efficiency of calibration.
In the present embodiment, predetermined angle can, for user is from establishing, also can be system default.Preferably, predetermined angle is 90 degree, so that the linearity test result of follow-up X-axis is one be parallel to X-axis straight line, the linearity test result of Y-axis is a straight line being parallel to Y-axis.
In the present embodiment, by the kinetic control system of equipment platform, first set the X of equipment platform, Y-axis needs the interval of taking pictures, after X, Y-axis move to the initial position of setting, every fixing interval, by light source for ccd image acquisition system provides illumination, and CCD carries out image acquisition to grid scaling board.
Suppose that the image that CCD collects is image coordinate system, the coordinate of kinetic control system is world coordinate system, and above the image collected by CCD, the coordinate of object and the coordinate of kinetic control system are one to one.Processed by the consecutive image collected CCD, just can measure X, the linearity of Y-axis and verticality.
Be the implementing procedure figure of the linearity test result of X-axis after the generation equipment calibration that provides of the embodiment of the present invention and Y-axis with reference to Figure 15, Figure 15, details are as follows:
In step S1501, described X-axis initial position is arranged on the position of gauge point, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps N altogether
1width comprises the image of the gauge point of X-axis and described scaling board, and after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps N continuously
2width comprises the image of the gauge point of Y-axis and described scaling board, described N
1for being more than or equal to the integer of 1, described N
2for being more than or equal to the integer of 1;
In step S1502, to the N that described X-axis is taken
1the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis after described equipment calibration;
In step S1503, to the N that described Y-axis is taken
2the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis after described equipment calibration.
To the N that described Y-axis is taken
2the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment.
As a preferred embodiment of the present invention,
Obtain user preset or the regulation time of system default;
When arriving regulation time, perform the step of the position initial position of the X-axis of equipment platform being arranged on gauge point in scaling board.
In the embodiment of the present invention, regulation time also can be set by user, also by default, can not limit at this.
For ease of explanation, for practical application, when user-selected regulation time is 5 hours, when starting the timer preset, the initial position not performing the X-axis obtaining equipment platform in 5 hours is arranged on the step of the position of gauge point in scaling board, until the timer preset reaches 5 hours, just the initial position of the X-axis of actuating equipment platform is arranged on the gauge point step of scaling board, thus decrease the operation thread of machine, improve the processing speed of machine.
Be the present invention preferably implementing procedure figure in actual applications with reference to Figure 16, Figure 16, details are as follows:
Step 1: tested scaling board is fixed in the Y-axis of kinetic control system;
Step 2: opening movement control system also finds zero-bit;
Step 3: open light source;
Step 4: make X-axis move to the position of gauge point by kinetic control system, claps 1 width image, and X-axis is often moved after xmm and clapped piece image, claps 8 width images altogether;
Step 5: process 8 width images, calculates the angle theta x between gauge point and X-axis got;
Step 6: make Y-axis move to the position of Y direction gauge point by kinetic control system, claps 1 width image, and Y-axis is often moved after ymm and clapped piece image, claps 8 width images altogether;
Step 7: process 8 width images, calculates the angle theta y between gauge point and Y-axis got;
Step 8: go out the angle theta xy between X-axis and Y-axis by the gauge point got and the angle of X-axis and the angle calcu-lation of the gauge point got and Y-axis;
Step 9: position X-axis initial position being arranged on gauge point, clap piece image, set X-axis by kinetic control system often to move after xmm and clap piece image, continuous bat M1 width image, fixing X-axis is motionless, set Y-axis by kinetic control system often to move after ymm and clap piece image, clap M2 width image continuously;
Step 10: the M1 width image of X-axis shooting is processed, obtains the linearity test result of X-axis;
Step 11: the M2 width image of Y-axis shooting is processed, obtains the linearity test result of Y-axis.
With reference to the pick-up unit that Figure 17, Figure 17 are a kind of equipment linearity of providing of the embodiment of the present invention and verticality, this device can run on the equipment possessing X-axis and Y-axis.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Figure 17, the pick-up unit of this equipment linearity and verticality, comprising:
First acquiring unit 171, initial position for the X-axis by equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described X-axis and described scaling board, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described X-axis and described scaling board, and the M taken
1in width image, obtain the pixel coordinate of the gauge point corresponding with described X-axis, described M
1for being more than or equal to the integer of 1;
First generation unit 172, according to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of described equipment;
Second acquisition unit 173, initial position for the Y-axis by equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described Y-axis and described scaling board, after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described Y-axis and described scaling board, and the M taken
2in width image, obtain the pixel coordinate of the gauge point corresponding with described Y-axis, described M
2for being more than or equal to the integer of 1;
Second generation unit 174, gets described M for basis
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment;
Adjustment unit, for obtaining the gauge point straight line of described X-axis and the angle theta x of described X-axis of matching generation, and obtain the gauge point straight line of described Y-axis and the angle theta y of described Y-axis of matching generation, generate the angle theta xy of described X-axis and described Y-axis according to described θ x and described θ y, generate the verticality test result between described equipment X-axis and Y-axis.
Further, in the apparatus, also comprise:
Adjustment unit, for when described θ xy is different from predetermined angle, adjusts described θ xy to predetermined angle, the verticality described in calibration between equipment X-axis and Y-axis.
Further, in the apparatus, also comprise:
Second acquisition unit, for described X-axis initial position being arranged on the position of gauge point, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps N altogether
1width comprises the image of the gauge point of X-axis and described scaling board, and after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps N continuously
2width comprises the image of the gauge point of Y-axis and described scaling board, described N
1for being more than or equal to the integer of 1, described N
2for being more than or equal to the integer of 1;
3rd generation unit, for the N taken described X-axis
1the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of the described equipment after calibration;
4th generation unit, for the N taken described Y-axis
2the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of the described equipment after calibration.
Further, in the apparatus, described first generation unit 172, also comprises:
First splicing subelement, for described M
1piece image in width image is benchmark, by described M
1width image mosaic becomes piece image;
First matching subelement, for extracting M
1the pixel coordinate of gauge point in width image, generates the gauge point straight line of X-axis according to the pixel coordinate matching of described gauge point.
Further, in the apparatus, described second generation unit 174, also comprises:
Second splicing subelement, for described M
2piece image in width image is benchmark, by described M
1width image mosaic becomes piece image;
Second matching subelement, for extracting M
2the pixel coordinate of gauge point in width image, generates the gauge point straight line of X-axis according to the pixel coordinate matching of described gauge point.
Show the pick-up unit of equipment linearity that the embodiment of the present invention provides and verticality with reference to Figure 18, Figure 18, it is for detecting the X of arbitrary equipment, the Y-axis linearity and verticality preferably schematic diagram.
Checkout equipment of the present invention is not used to invention and is restricted to these preferred detection equipment, and more specifically enables those skilled in the art to detect, measure and use the present invention.
In the present embodiment, according to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of described equipment; According to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment; The angle theta xy of described X-axis and described Y-axis is generated according to described θ x and described θ y, generate the verticality test result between described equipment X-axis and Y-axis, make existing equipment without the need to the measuring equipment of additional heaviness, and simplify measuring process, solve existing equipment linearity and measuring for verticality efficiency is low, cost is high problem, increase the range of application of checkout equipment linearity and verticality, and improve the detection efficiency of equipment linearity and verticality.
The device that the embodiment of the present invention provides can be applied in the embodiment of the method for aforementioned correspondence, and details, see the description of above-described embodiment, do not repeat them here.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a detection method for equipment linearity and verticality, is characterized in that, comprising:
The initial position of the X-axis of equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described X-axis and described scaling board, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described X-axis and described scaling board, and the M taken
1in width image, obtain the pixel coordinate of the gauge point corresponding with described X-axis, described M
1for being more than or equal to the integer of 1;
According to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of described equipment;
The initial position of the Y-axis of equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described Y-axis and described scaling board, after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps M altogether
2width comprises the image of the gauge point of described Y-axis and described scaling board, and the M taken
2in width image, obtain the pixel coordinate of the gauge point corresponding with described Y-axis, described M
2for being more than or equal to the integer of 1;
According to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment;
Obtain the gauge point straight line of described X-axis and the angle theta x of described X-axis of matching generation, and obtain the gauge point straight line of described Y-axis and the angle theta y of described Y-axis of matching generation, generate the angle theta xy of described X-axis and described Y-axis according to described θ x and described θ y, generate the verticality test result between described equipment X-axis and Y-axis.
2. the method for claim 1, is characterized in that, also comprises:
When described θ xy is different from predetermined angle, adjust described θ xy to predetermined angle, the verticality described in calibration between equipment X-axis and Y-axis.
3. method as claimed in claim 2, is characterized in that, also comprise:
Described X-axis initial position is arranged on the position of gauge point, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps N altogether
1width comprises the image of the gauge point of X-axis and described scaling board, and after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps N continuously
2width comprises the image of the gauge point of Y-axis and described scaling board, described N
1for being more than or equal to the integer of 1, described N
2for being more than or equal to the integer of 1;
To the N that described X-axis is taken
1the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described X-axis, generates the linearity test result of X-axis after the calibration of described equipment;
To the N that described Y-axis is taken
2the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis after described equipment calibration.
4. the method for claim 1, is characterized in that, described basis gets described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, comprising:
With described M
1piece image in width image is benchmark, by described M
1width image mosaic becomes piece image;
Extract M
1the pixel coordinate of gauge point in width image, generates the gauge point straight line of X-axis according to the pixel coordinate matching of described gauge point.
5. the method for claim 1, is characterized in that, described basis gets described M
2the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, comprising:
With described M
2piece image in width image is benchmark, by described M
2width image mosaic becomes piece image;
Extract M
2the pixel coordinate of gauge point in width image, generates the gauge point straight line of Y-axis according to the pixel coordinate matching of described gauge point.
6. a pick-up unit for equipment linearity and verticality, is characterized in that, comprising:
First acquiring unit, initial position for the X-axis by equipment is arranged on the position of gauge point in scaling board, and capture apparatus claps the image that a width comprises the gauge point of described X-axis and described scaling board, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described X-axis and described scaling board, and the M taken
1in width image, obtain the pixel coordinate of the gauge point corresponding with described X-axis, described M
1for being more than or equal to the integer of 1;
First generation unit, according to getting described M
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of described equipment;
Second acquisition unit, initial position for the Y-axis by equipment is arranged on the position of gauge point in scaling board, capture apparatus claps the image that a width comprises the gauge point of described Y-axis and described scaling board, after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps M altogether
1width comprises the image of the gauge point of described Y-axis and described scaling board, and the M taken
2in width image, obtain the pixel coordinate of the gauge point corresponding with described Y-axis, described M
2for being more than or equal to the integer of 1;
Second generation unit, gets described M for basis
1the pixel coordinate of gauge point in width image, matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of described equipment;
Adjustment unit, for obtaining the gauge point straight line of described X-axis and the angle theta x of described X-axis of matching generation, and obtain the gauge point straight line of described Y-axis and the angle theta y of described Y-axis of matching generation, generate the angle theta xy of described X-axis and described Y-axis according to described θ x and described θ y, generate the verticality test result between described equipment X-axis and Y-axis.
7. device as claimed in claim 6, is characterized in that, also comprise:
Adjustment unit, for when described θ xy is different from predetermined angle, adjusts described θ xy to predetermined angle, the verticality described in calibration between equipment X-axis and Y-axis.
8. device as claimed in claim 7, is characterized in that, also comprise:
Second acquisition unit, for described X-axis initial position being arranged on the position of gauge point, after the initial position of described X-axis moves xmm, described capture apparatus claps piece image, claps N altogether
1width comprises the image of the gauge point of X-axis and described scaling board, and after the initial position of described Y-axis moves ymm, described capture apparatus claps piece image, claps N continuously
2width comprises the image of the gauge point of Y-axis and described scaling board, described N
1for being more than or equal to the integer of 1, described N
2for being more than or equal to the integer of 1;
3rd generation unit, for the N taken described X-axis
1the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described X-axis, generates the linearity test result of the X-axis of the described equipment after calibration;
4th generation unit, for the N taken described Y-axis
2the pixel coordinate of the gauge point in image described in width processes, and matching generates the gauge point straight line of described Y-axis, generates the linearity test result of the Y-axis of the described equipment after calibration.
9. device as claimed in claim 6, it is characterized in that, described first generation unit, also comprises:
First splicing subelement, for described M
1piece image in width image is benchmark, by described M
1width image mosaic becomes piece image;
First matching subelement, for extracting M
1the pixel coordinate of gauge point in width image, generates the gauge point straight line of X-axis according to the pixel coordinate matching of described gauge point.
10. device as claimed in claim 6, it is characterized in that, described second generation unit, also comprises:
Second splicing subelement, for described M
2piece image in width image is benchmark, by described M
1width image mosaic becomes piece image;
Second matching subelement, for extracting M
2the pixel coordinate of gauge point in width image, generates the gauge point straight line of X-axis according to the pixel coordinate matching of described gauge point.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441163A (en) * | 2016-10-13 | 2017-02-22 | 中国科学院上海技术物理研究所 | Non-contact column verticality detection method and device |
| CN109682326A (en) * | 2018-12-19 | 2019-04-26 | 河南科技大学 | Pot seedling upright degree detection device and detection method based on depth image |
| CN110057555A (en) * | 2019-05-28 | 2019-07-26 | 易思维（杭州）科技有限公司 | Laser line generator flatness detection method and system |
| CN110307829A (en) * | 2019-06-27 | 2019-10-08 | 浙江大学 | A kind of lifting equipment measuring for verticality method and system based on UAV Video |
| CN110440690A (en) * | 2019-07-30 | 2019-11-12 | 华中科技大学 | A kind of device and method for single-point diamond lathe linear axis error measure |
| CN113029046A (en) * | 2021-03-11 | 2021-06-25 | 精英数智科技股份有限公司 | Method and device for detecting straightness of scraper conveyor based on video identification |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060203254A1 (en) * | 2005-03-14 | 2006-09-14 | Dtechxion Ltd. | Measurements of an axisymmetric part including helical coil springs |
| CN101709957A (en) * | 2009-12-14 | 2010-05-19 | 上海应用技术学院 | Straightness automatic measurement method based on machine vision |
| CN102353346A (en) * | 2011-06-23 | 2012-02-15 | 东华大学 | Method and system for detection of verticality of CCD installation of laser cutting machine with automatically edge searching performance |
| CN102519400A (en) * | 2011-12-15 | 2012-06-27 | 东南大学 | Large slenderness ratio shaft part straightness error detection method based on machine vision |
| CN102607467A (en) * | 2012-03-07 | 2012-07-25 | 上海交通大学 | Device and method for detecting elevator guide rail perpendicularity based on visual measurement |
| CN103017690A (en) * | 2012-11-26 | 2013-04-03 | 中国科学院长春光学精密机械与物理研究所 | Method for measuring straightness of super-long guide rail |
| CN103063159A (en) * | 2012-12-31 | 2013-04-24 | 南京信息工程大学 | Part size measurement method based on charge coupled device (CCD) |
| US9156496B2 (en) * | 2007-03-21 | 2015-10-13 | Ford Global Technologies, Llc | Vehicle maneuvering aids |
-
2013
- 2013-10-24 CN CN201310507811.6A patent/CN104567749A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060203254A1 (en) * | 2005-03-14 | 2006-09-14 | Dtechxion Ltd. | Measurements of an axisymmetric part including helical coil springs |
| US9156496B2 (en) * | 2007-03-21 | 2015-10-13 | Ford Global Technologies, Llc | Vehicle maneuvering aids |
| CN101709957A (en) * | 2009-12-14 | 2010-05-19 | 上海应用技术学院 | Straightness automatic measurement method based on machine vision |
| CN102353346A (en) * | 2011-06-23 | 2012-02-15 | 东华大学 | Method and system for detection of verticality of CCD installation of laser cutting machine with automatically edge searching performance |
| CN102519400A (en) * | 2011-12-15 | 2012-06-27 | 东南大学 | Large slenderness ratio shaft part straightness error detection method based on machine vision |
| CN102607467A (en) * | 2012-03-07 | 2012-07-25 | 上海交通大学 | Device and method for detecting elevator guide rail perpendicularity based on visual measurement |
| CN103017690A (en) * | 2012-11-26 | 2013-04-03 | 中国科学院长春光学精密机械与物理研究所 | Method for measuring straightness of super-long guide rail |
| CN103063159A (en) * | 2012-12-31 | 2013-04-24 | 南京信息工程大学 | Part size measurement method based on charge coupled device (CCD) |
Non-Patent Citations (3)
| Title |
|---|
| 李跃晖: "大长度导轨直线度视觉测量方法的研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 王生怀，徐风华，陈育荣，谢铁邦: "基于三维精密位移工作台的显微图像拼接测量系统", 《机械设计与制造》 * |
| 王阳恩: "一种小行程导轨垂直度测量方法", 《光电子*激光》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441163A (en) * | 2016-10-13 | 2017-02-22 | 中国科学院上海技术物理研究所 | Non-contact column verticality detection method and device |
| CN106441163B (en) * | 2016-10-13 | 2019-11-26 | 中国科学院上海技术物理研究所 | A kind of contactless column measuring for verticality method and device |
| CN109682326A (en) * | 2018-12-19 | 2019-04-26 | 河南科技大学 | Pot seedling upright degree detection device and detection method based on depth image |
| CN110057555A (en) * | 2019-05-28 | 2019-07-26 | 易思维（杭州）科技有限公司 | Laser line generator flatness detection method and system |
| CN110057555B (en) * | 2019-05-28 | 2020-09-04 | 易思维（杭州）科技有限公司 | Method for detecting flatness of line laser |
| CN110307829A (en) * | 2019-06-27 | 2019-10-08 | 浙江大学 | A kind of lifting equipment measuring for verticality method and system based on UAV Video |
| CN110307829B (en) * | 2019-06-27 | 2020-12-11 | 浙江大学 | Hoisting equipment perpendicularity detection method and system based on unmanned aerial vehicle video |
| CN110440690A (en) * | 2019-07-30 | 2019-11-12 | 华中科技大学 | A kind of device and method for single-point diamond lathe linear axis error measure |
| CN113029046A (en) * | 2021-03-11 | 2021-06-25 | 精英数智科技股份有限公司 | Method and device for detecting straightness of scraper conveyor based on video identification |
| CN113029046B (en) * | 2021-03-11 | 2021-12-14 | 精英数智科技股份有限公司 | Method and device for detecting straightness of scraper conveyor based on video identification |
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