CN108151686B - Measuring projector standard picture drawing method based on three-coordinate measuring machine - Google Patents
Measuring projector standard picture drawing method based on three-coordinate measuring machine Download PDFInfo
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- CN108151686B CN108151686B CN201711367744.7A CN201711367744A CN108151686B CN 108151686 B CN108151686 B CN 108151686B CN 201711367744 A CN201711367744 A CN 201711367744A CN 108151686 B CN108151686 B CN 108151686B
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a method for drawing a standard picture of a measuring projector based on a three-coordinate measuring machine, which is used for drawing the standard picture of the measuring projector by using the three-coordinate measuring machine, wherein the three-coordinate measuring machine comprises a cross beam of the three-coordinate measuring machine, a measuring head frame of the three-coordinate measuring machine, a measuring head of the three-coordinate measuring machine, a vertical column of the three-coordinate measuring machine and a platform of the three-coordinate measuring machine; the invention adopts the three-coordinate measuring machine to draw the standard picture used by the measuring projector, has simple and easy operation, can realize the drawing of the standard picture used by the high-precision measuring projector, and solves the problem that the high-precision standard picture is difficult to draw.
Description
Technical Field
The invention belongs to the technical field of machining geometric quantity detection, and particularly relates to a measuring projector standard picture drawing method based on a three-coordinate measuring machine.
Background
At present, a standard picture used by a measuring projector is a semi-transparent special paper, and a part contour enlarged according to a certain proportion is drawn on the semi-transparent special paper to compare and detect whether the part contour and the surface shape are qualified or not. When the device is used, the standard picture is fixed on an observation screen of a measurement projector, the measurement projector projects the outline and the surface shape of the part to be measured onto the standard picture by utilizing the principle of optical projection, and the standard picture is compared with the standard picture, so that the detection of the outline and the surface shape of the part to be measured is completed, and the device can be used for detecting the outline and the surface shape of parts such as templates, stamping parts, cams, threads, gears and the like. The method has high detection efficiency, but has higher drawing precision requirement on the standard picture used by the measurement projector, and the insufficient drawing precision can cause part inspection false detection and is difficult to ensure the use precision of the measurement projector.
Disclosure of Invention
In order to solve the technical problem, the invention provides a method for drawing a standard picture of a measuring projector based on a three-coordinate measuring machine, so that the standard picture used by the high-precision measuring projector is drawn, and the false detection of part inspection caused by insufficient drawing precision is avoided.
The invention is realized by the following technical scheme.
A measuring projector standard picture drawing method based on a three-coordinate measuring machine is characterized in that the measuring projector standard picture is drawn by using the three-coordinate measuring machine, the three-coordinate measuring machine comprises a three-coordinate measuring machine beam, a three-coordinate measuring machine head frame, a three-coordinate measuring machine measuring head, a three-coordinate measuring machine column and a three-coordinate measuring machine platform, the three-coordinate measuring machine beam is fixedly arranged at the upper end of the three-coordinate measuring machine column, the three-coordinate measuring machine column is arranged on two sides of the three-coordinate measuring machine platform, the upper end of the three-coordinate measuring machine head frame is arranged on the three-coordinate measuring machine beam, the lower end of the three-coordinate measuring machine measuring head frame is provided with the three-coordinate measuring machine measuring head, a carbon pen is arranged on the three-coordinate measuring machine measuring head, and the three-coordinate measuring machine is electrically connected with a computer; the standard picture drawing method comprises the following steps:
firstly, mounting a standard flat plate on a three-coordinate measuring machine platform;
replacing a measuring pin of the three-coordinate measuring machine with a carbon pen, and fixedly installing the carbon pen on a measuring head of the three-coordinate measuring machine;
drawing the graph of the part to be measured on a computer of a three-coordinate measuring machine according to a specified amplification ratio through software;
fourthly, after the graph of the part to be measured in the third step is drawn, fixing the standard picture on a standard flat plate, and descending a measuring head rack of the three-coordinate measuring machine to enable a carbon pen arranged on a measuring head of the three-coordinate measuring machine to be in contact with the standard picture;
starting the program of the three-coordinate measuring machine to automatically draw the standard picture used by the measuring projector;
and (3) fixedly mounting the standard flat plate on the three-coordinate measuring machine platform through a standard flat plate support, and keeping the upper surface of the standard flat plate parallel to the upper surface of the three-coordinate measuring machine platform.
And the measured part graph comprises the outline and the surface shape of the measured part.
The three-coordinate measuring machine measuring head frame is arranged on a cross beam of the three-coordinate measuring machine through a transverse driving mechanism, and the transverse driving mechanism realizes driving control through software arranged on a computer, so that the three-coordinate measuring machine measuring head frame can move along the cross beam of the three-coordinate measuring machine, the three-coordinate measuring machine measuring head frame can realize transverse movement with a three-coordinate measuring machine measuring head, and further a carbon pen can finish transverse drawing of a standard picture.
The three-coordinate measuring machine upright post is arranged on two sides of a three-coordinate measuring machine platform through a longitudinal driving mechanism, and the longitudinal driving mechanism realizes driving control through software arranged on a computer, so that the three-coordinate measuring machine upright post can move along the three-coordinate measuring machine platform, the three-coordinate measuring machine upright post drives a three-coordinate measuring machine cross beam to move longitudinally, and a carbon pen finishes longitudinally drawing a standard picture.
And the software in the step (c) is AutoCAD or UG.
The program of the three-coordinate measuring machine in the step (five) is pc-dmis, blade or bladeruns.
The invention has the beneficial effects that:
compared with the prior art, the method and the device have the advantages that the standard picture used by the measurement projector is drawn by adopting the three-coordinate measuring machine, the operation is simple and easy, the drawing of the standard picture used by the high-precision measurement projector can be realized, the precision can reach more than 0.003mm, the problem that the high-precision standard picture is difficult to draw is solved, and the use precision of the measurement projector is ensured.
Drawings
FIG. 1 is a schematic diagram of a three-coordinate measuring system according to the present invention.
In the figure: the measuring method comprises the following steps of 1-a cross beam of the three-coordinate measuring machine, 2-a measuring head rack of the three-coordinate measuring machine, 3-a measuring head of the three-coordinate measuring machine, 4-a carbon pen, 5-a standard flat plate, 6-a standard flat plate support, 7-a stand column of the three-coordinate measuring machine and 8-a platform of the three-coordinate measuring machine.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of the claimed invention is not limited thereto.
As shown in fig. 1, the method for drawing a standard picture of a measurement projector based on a three-coordinate measuring machine according to the present invention draws a standard picture of a measurement projector by using a three-coordinate measuring machine, wherein the three-coordinate measuring machine comprises a three-coordinate measuring machine beam 1, a three-coordinate measuring machine headstock 2, a three-coordinate measuring machine measuring head 3, a three-coordinate measuring machine column 7 and a three-coordinate measuring machine platform 8, the three-coordinate measuring machine beam 1 is fixedly installed at the upper end of the three-coordinate measuring machine column 7, the three-coordinate measuring machine column 7 is installed at two sides of the three-coordinate measuring machine platform 8, the upper end of the three-coordinate measuring machine measuring head headstock 2 is installed on the three-coordinate measuring machine beam 1, the lower end thereof is installed with the three-coordinate measuring machine measuring head 3, the three-coordinate measuring machine measuring head 3 is installed with a carbon pen 4, and the three-coordinate measuring machine is electrically connected with a computer; the invention mainly adopts a carbon pen 4 to replace a three-coordinate measuring machine measuring needle on a three-coordinate measuring machine, converts the measuring function of the three-coordinate measuring machine into a picture drawing function and further finishes the drawing of the standard picture of the measuring projector, and the standard picture drawing method comprises the following steps:
firstly, a standard flat plate 5 is arranged on a three-coordinate measuring machine platform 8;
replacing a measuring needle of the three-coordinate measuring machine with a carbon pen 4, and fixedly installing the carbon pen 4 on a measuring head 3 of the three-coordinate measuring machine;
drawing the graph of the part to be measured on a computer of a three-coordinate measuring machine according to a specified amplification ratio through software; the software is drawing software such as AutoCAD, UG and the like;
fourthly, after the graph of the part to be measured in the third step is drawn, fixing the standard picture on a standard flat plate 5, and descending the measuring head frame 2 of the three-coordinate measuring machine to enable a carbon pen 4 arranged on a measuring head 3 of the three-coordinate measuring machine to be in contact with the standard picture;
starting the program of the three-coordinate measuring machine to automatically draw the standard picture used by the measuring projector; the program of the three-coordinate measuring machine is pc-dmis, blade or bladeruns;
the standard flat plate 5 in the step I is fixedly arranged on a three-coordinate measuring machine platform 8 through a standard flat plate support 6, and the upper surface of the standard flat plate 5 is kept parallel to the upper surface of the three-coordinate measuring machine platform 8.
And the measured part graph comprises the outline and the surface shape of the measured part.
The three-coordinate measuring machine measuring head frame 2 is arranged on a three-coordinate measuring machine beam 1 through a transverse driving mechanism, the transverse driving mechanism realizes driving control through software arranged on a computer, so that the three-coordinate measuring machine measuring head frame 2 can move along the three-coordinate measuring machine beam 1, the three-coordinate measuring machine measuring head frame 2 drives a three-coordinate measuring machine measuring head 3 to realize transverse movement, and a carbon pen 4 finishes transverse drawing of a standard picture, wherein the transverse driving mechanism can be cylinder driving, hydraulic driving, gear and rack driving and motor driving.
The three-coordinate measuring machine upright post 7 is arranged on two sides of a three-coordinate measuring machine platform 8 through a longitudinal driving mechanism, the longitudinal driving mechanism realizes driving control through software arranged on a computer, so that the three-coordinate measuring machine upright post 7 can move along the three-coordinate measuring machine platform 8, the three-coordinate measuring machine upright post 7 drives the three-coordinate measuring machine cross beam 1 to move longitudinally, and further the carbon pen 4 finishes longitudinally drawing a standard picture, and the transverse driving mechanism can be cylinder driving, hydraulic driving, gear and rack driving and motor driving.
As shown in FIG. 1, the following steps for further illustrating the invention are further described by using a three-coordinate measuring machine to draw a compressor blade tenon contour standard picture as an example:
firstly, a standard flat plate 5 is arranged on a three-coordinate measuring machine platform through a standard flat plate support 6;
secondly, replacing a measuring needle of the three-coordinate measuring machine by a carbon pen 4, and fixedly installing the carbon pen on a measuring head 3 of the three-coordinate measuring machine;
thirdly, drawing the tenon profile and other surface shapes of the measured compressor blade on a three-coordinate measuring computer according to a specified amplification scale through software;
fourthly, fixing the standard picture on a standard flat plate 5, and descending the measuring head frame 2 of the three-coordinate measuring machine to enable the carbon pen 4 to be in contact with the standard picture;
and fifthly, driving the beam 1 of the three-coordinate measuring machine, the measuring head frame 2 of the three-coordinate measuring machine and the upright post 7 of the three-coordinate measuring machine to move in a matched manner through software of the three-coordinate measuring machine to finish drawing of a standard picture.
Claims (6)
1. A method for drawing a standard picture of a measurement projector based on a three-coordinate measuring machine is characterized by comprising the following steps: drawing a standard picture of a measurement projector by using a three-coordinate measuring machine, wherein the three-coordinate measuring machine comprises a three-coordinate measuring machine cross beam (1), a three-coordinate measuring machine measuring head frame (2), a three-coordinate measuring machine measuring head (3), a three-coordinate measuring machine upright post (7) and a three-coordinate measuring machine platform (8), the three-coordinate measuring machine cross beam (1) is fixedly arranged at the upper end of the three-coordinate measuring machine upright post (7), the three-coordinate measuring machine upright post (7) is arranged at two sides of the three-coordinate measuring machine platform (8), the upper end of the three-coordinate measuring machine measuring head frame (2) is arranged on the three-coordinate measuring machine cross beam (1), the lower end of the three-coordinate measuring machine measuring head frame (3) is provided with the three-coordinate measuring machine measuring head (4), and the three-coordinate measuring machine is also electrically connected with a computer; the standard picture drawing method comprises the following steps:
firstly, a standard flat plate (5) is arranged on a three-coordinate measuring machine platform (8);
replacing a measuring needle of the three-coordinate measuring machine with a carbon pen (4), and fixedly installing the carbon pen (4) on a measuring head (3) of the three-coordinate measuring machine;
drawing the graph of the part to be measured on a computer of a three-coordinate measuring machine according to a specified amplification ratio through software;
fourthly, after the graph of the part to be measured in the third step is drawn, fixing the standard picture on a standard flat plate (5), and descending a measuring head frame (2) of the three-coordinate measuring machine to enable a carbon pen (4) arranged on a measuring head (3) of the three-coordinate measuring machine to be in contact with the standard picture;
starting the program of the three-coordinate measuring machine to automatically draw the standard picture used by the measuring projector;
the standard flat plate (5) in the step I is fixedly arranged on a three-coordinate measuring machine platform (8) through a standard flat plate support (6), and the upper surface of the standard flat plate (5) is kept parallel to the upper surface of the three-coordinate measuring machine platform (8).
2. The method for drawing a standard picture of a measuring projector based on a three-coordinate measuring machine as claimed in claim 1, wherein: and the measured part graph comprises the outline and the surface shape of the measured part.
3. The method for drawing a standard picture of a measuring projector based on a three-coordinate measuring machine as claimed in claim 1, wherein: the three-coordinate measuring machine measuring head frame (2) is arranged on a three-coordinate measuring machine cross beam (1) through a transverse driving mechanism, the transverse driving mechanism realizes driving control through software arranged on a computer, so that the three-coordinate measuring machine measuring head frame (2) can move along the three-coordinate measuring machine cross beam (1), the three-coordinate measuring machine measuring head frame (2) drives a three-coordinate measuring machine measuring head (3) to realize transverse movement, and a carbon pen (4) finishes transverse drawing of a standard picture.
4. The method for drawing a standard picture of a measuring projector based on a three-coordinate measuring machine as claimed in claim 1, wherein: the three-coordinate measuring machine is characterized in that the three-coordinate measuring machine upright posts (7) are arranged on two sides of a three-coordinate measuring machine platform (8) through a longitudinal driving mechanism, the longitudinal driving mechanism realizes driving control through software arranged on a computer, so that the three-coordinate measuring machine upright posts (7) can move along the three-coordinate measuring machine platform (8), the three-coordinate measuring machine upright posts (7) drive the three-coordinate measuring machine cross beam (1) to move longitudinally, and the carbon pen (4) finishes longitudinally drawing a standard picture.
5. The method for drawing a standard picture of a measuring projector based on a three-coordinate measuring machine as claimed in claim 1, wherein: and the software in the step (c) is AutoCAD or UG.
6. The method for drawing a standard picture of a measuring projector based on a three-coordinate measuring machine as claimed in claim 1, wherein: the program of the three-coordinate measuring machine in the step (five) is pc-dmis, blade or bladeruns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711367744.7A CN108151686B (en) | 2017-12-18 | 2017-12-18 | Measuring projector standard picture drawing method based on three-coordinate measuring machine |
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| CN201711367744.7A CN108151686B (en) | 2017-12-18 | 2017-12-18 | Measuring projector standard picture drawing method based on three-coordinate measuring machine |
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| CN108151686A CN108151686A (en) | 2018-06-12 |
| CN108151686B true CN108151686B (en) | 2022-04-19 |
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Citations (8)
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| WO1994024514A1 (en) * | 1993-04-16 | 1994-10-27 | Brown & Sharpe Manufacturing Company | Control axis mounted computer interface for coordinate measuring machines |
| CA1339155C (en) * | 1987-07-28 | 1997-07-29 | David M. Dundorf | Computer produced carved signs and method and apparatus for making same |
| AU2001266843A1 (en) * | 2000-06-28 | 2002-01-08 | Dental Mapping Systems Ltd. | Method and system for real time intra-orally acquiring and registering three-dimensional measurements and images of intra-oral objects and features |
| WO2011124943A1 (en) * | 2010-04-05 | 2011-10-13 | Vallejo Manyari Jorge Alfonso Jesus | Board describing or showing reality in four dimensions, a universal plotter and a scientific measurement and learning tool |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7880737B2 (en) * | 2005-03-22 | 2011-02-01 | Vijayvardhan Elchuri | Graphical method and system for making drawings directly in three-dimensions on a computer monitor or other display device |
| US20080107305A1 (en) * | 2006-11-02 | 2008-05-08 | Northern Digital Inc. | Integrated mapping system |
| DE102009008722A1 (en) * | 2009-02-06 | 2010-08-19 | Carl Zeiss Industrielle Messtechnik Gmbh | Coordinate measuring device for determining spatial coordinates on a measurement object and a probe system for such a coordinate measuring machine |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87200102U (en) * | 1987-01-09 | 1987-11-04 | 李四马 | Translational motion type multifunctional drafting scale |
| CA1339155C (en) * | 1987-07-28 | 1997-07-29 | David M. Dundorf | Computer produced carved signs and method and apparatus for making same |
| GB9101457D0 (en) * | 1991-01-23 | 1991-03-06 | Courtney William A | Computer-mouse,tracing and drawing aid |
| WO1994024514A1 (en) * | 1993-04-16 | 1994-10-27 | Brown & Sharpe Manufacturing Company | Control axis mounted computer interface for coordinate measuring machines |
| AU2001266843A1 (en) * | 2000-06-28 | 2002-01-08 | Dental Mapping Systems Ltd. | Method and system for real time intra-orally acquiring and registering three-dimensional measurements and images of intra-oral objects and features |
| WO2011124943A1 (en) * | 2010-04-05 | 2011-10-13 | Vallejo Manyari Jorge Alfonso Jesus | Board describing or showing reality in four dimensions, a universal plotter and a scientific measurement and learning tool |
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| CN107253423A (en) * | 2017-08-13 | 2017-10-17 | 重庆凌慧科技有限公司 | A kind of automatic auto-portrait robot |
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| CN108151686A (en) | 2018-06-12 |
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