CN114719707A - Device and method for detecting cylinder cylindrical surface slot line precision based on projection track restoration - Google Patents

Device and method for detecting cylinder cylindrical surface slot line precision based on projection track restoration Download PDF

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Publication number
CN114719707A
CN114719707A CN202210633099.3A CN202210633099A CN114719707A CN 114719707 A CN114719707 A CN 114719707A CN 202210633099 A CN202210633099 A CN 202210633099A CN 114719707 A CN114719707 A CN 114719707A
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China
Prior art keywords
cylindrical surface
cylinder
marking
groove line
surface groove
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CN202210633099.3A
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CN114719707B (en
Inventor
杨洪涛
陈卫宁
张广栋
程塨
王长青
彭建伟
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Northwestern Polytechnical University
XiAn Institute of Optics and Precision Mechanics of CAS
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Northwestern Polytechnical University
XiAn Institute of Optics and Precision Mechanics of CAS
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/0242Testing optical properties by measuring geometrical properties or aberrations

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention relates to detection equipment and a detection method of an optical precision instrument, in particular to a cylinder groove line precision detection device and a detection method based on projection track restoration, which are used for solving the defects that the existing cylinder groove line precision detection method is complex in operation, low in intelligent degree, low in efficiency and unstable in test precision, and cannot meet the requirements of high-precision and batch detection. The cylinder cylindrical surface groove line precision detection device based on projection track restoration comprises an annular rotary table, a marking plate, a marking pen, a translation table and an adjusting assembly; the invention adopts the marking pen as the leading point of the cylindrical grooved line to perform track restoration on the cylindrical grooved line on the marking plate, can realize the effects of automatic intelligent operation and whole-course stable test, and can meet the high-precision detection requirements of various optical loads on the cylindrical grooved line. Meanwhile, the invention discloses a cylinder cylindrical surface slot line precision detection method based on projection track restoration.

Description

Device and method for detecting cylinder cylindrical surface slot line precision based on projection track restoration
Technical Field
The invention relates to detection equipment and a detection method for an optical precision instrument, in particular to a cylinder cylindrical surface groove line precision detection device and a detection method based on projection track restoration.
Background
With the increasing imaging demands in the terrestrial and aerospace fields, the development of precision optical loads for imaging is also increasingly urgent. In order to meet the requirements of field change and the like of precision optical load, the interval between partial optical elements needs to be accurately adjusted and changed, and the guide pillar is driven by the cylindrical groove line to drive the optical elements to move, so that the common innovative application mode meeting the requirements of high integration and high precision of a precision optical load system is provided.
The processing of the cylindrical surface groove line needs to be designed according to technical indexes, but in the actual processing process, the processing is influenced by the characteristics of metal materials of parts, the processing technology and the like, so that the parts are deformed in the processing process or after being processed, the processing precision of the cylindrical surface groove line is reduced, the accurate adjustment of the cylindrical surface groove line on the interval between optical elements cannot be ensured, the use effect of an optical load and a precision instrument is further influenced, and therefore, the precision of the processed cylindrical surface groove line is accurately detected, and the method is a very important link for confirming the processing precision of the cylindrical surface groove line.
In the prior art, the method for detecting the precision of the cylindrical groove line comprises multiple precision detection of the cylindrical groove line by three-coordinate equipment, a linear displacement meter, grating detection, image detection and other equipment, and has the defects of complex operation, low intelligent degree, low efficiency, unstable test precision and the like in the detection process.
Disclosure of Invention
The invention aims to solve the defects that the high-precision and batch detection requirements cannot be met due to the fact that the existing cylindrical surface slot line precision detection method is complex in operation, low in intelligent degree, low in efficiency and unstable in test precision, and provides a cylindrical surface slot line precision detection device and method based on projection track restoration.
In order to solve the defects of the prior art, the invention provides the following technical solutions:
a cylinder groove line precision detection device based on projection track restores, its special character lies in: the marking device comprises an annular rotary table, a marking plate, a marking pen, a translation table and an adjusting assembly;
the cylinder to be detected is of a hollow structure and is provided with at least one cylindrical surface groove line, the cylinder to be detected comprises at least one equal-diameter section, and each cylindrical surface groove line is positioned in the same equal-diameter section;
the marking plate is arranged on the fixed base on one side of the translation table;
the upper surface of the translation table is provided with the annular turntable and the adjusting assembly, the adjusting assembly comprises an adjusting table positioned in the annular turntable, a central shaft arranged on the adjusting table, and a plurality of annular sliding frames sleeved on the central shaft, the central shaft is perpendicular to the movement direction of the translation table and parallel to the marking surface of the marking plate, and the rotating shaft of the annular turntable is superposed with the central shaft;
wait to set up one in every cylinder slot line of examining the cylinder marker pen, every marker pen include mark portion, connecting portion to and be located the elastic component between mark portion and the connecting portion, connecting portion are connected with the cyclic annular balladeur train that corresponds, and stretch into the setting in the epaxial spout of center, and the spout is on a parallel with the center pin axis.
Furthermore, the connecting part is matched with the width of the cylindrical surface groove line, the connecting part penetrates through the cylindrical surface groove line to be in threaded connection with the corresponding annular sliding frame, and a lubricating medium is arranged on the part, located in the cylindrical surface groove line, of the connecting part.
Further, the fit clearance between the connecting part and the side wall of the groove line of the cylindrical surface is smaller than 0.01 mm.
Further, the flatness of the marking surface of the marking plate is not more than 0.01 mm.
Meanwhile, the invention provides a cylinder cylindrical surface groove line precision detection method based on projection track restoration, which is characterized in that the cylinder cylindrical surface groove line precision detection device based on projection track restoration comprises the following steps:
step 1, arranging a cylinder to be detected on an annular turntable through an adjusting assembly, and enabling the cylinder to be detected to be coaxial with the annular turntable and a central shaft;
step 2, arranging a marking pen in each cylindrical surface groove line of the cylinder to be detected, and placing the marking pen at the starting end of the cylindrical surface groove line, wherein the marking pen is positioned on the central line of the cylindrical surface groove line and the central axis of the marking pen is vertical to the marking surface of the marking plate; adjusting the position of the marking plate to enable the length of the marking pen to meet the requirement that the marking part is in contact with the marking surface of the marking plate;
step 3, starting the translation table and the annular rotary table simultaneously, wherein the translation table drives the annular rotary table to move parallel to the marking surface of the marking plate, and the annular rotary table drives the cylinder to be detected to rotate, so that the marking pen in each cylindrical groove line marks the track of the cylindrical groove line on the marking surface of the marking plate, and a plane track restoration image of the cylindrical groove line of the cylinder to be detected is obtained;
and 4, guiding the plane track restoration image of the cylindrical surface groove line of the cylinder to be detected obtained in the step 3 into drawing software, and performing superposition comparison on the plane track of the theoretical cylindrical surface groove line to obtain the error value of each cylindrical surface groove line.
Further, in step 3, the moving speed of the translation table is not more than 2cm/s, and the rotating speed of the annular rotary table is not more than 30 degrees/s.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention relates to a cylinder cylindrical surface groove line precision detection device based on projection track restoration, which comprises an annular rotary table, a marking plate, a marking pen, a translation table and an adjusting assembly, wherein the annular rotary table is provided with a plurality of grooves; the invention adopts the marking pen as the leading point of the cylindrical grooved line to perform track restoration on the cylindrical grooved line on the marking plate, can realize the effects of automatic intelligent operation and whole-course stable test, and can meet the high-precision detection requirements of various optical loads on the cylindrical grooved line.
(2) The invention relates to a cylinder cylindrical surface groove line precision detection method based on projection track restoration. The whole testing process can finish the detection of the processing precision of the cylindrical surface groove line only by carrying out primary reference adjustment before measurement and final data importing comparison, and has the advantages of high adjustment speed, convenience in operation, high measurement efficiency and simplicity and easiness in measurement data processing.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a device for detecting the groove line accuracy of a cylindrical surface of a cylinder based on projection trajectory restoration according to the present invention (adjustment components are not shown);
FIG. 2 is a schematic diagram of an adjustment assembly of the embodiment of FIG. 1 according to the present invention;
fig. 3 is a diagram illustrating a restoration image of a cylindrical groove line plane track of a cylinder to be inspected according to the embodiment of the present invention shown in fig. 1.
The reference numerals are explained below: 01-a cylinder to be detected; 02-cylindrical grooved lines; 1-an annular turntable; 2-a marking plate; 3-marker pen, 31-marker part, 32-elastic part, 33-connecting part; 4-a translation stage; 5-adjustment assembly, 51-adjustment table, 52-central shaft, 53-annular carriage, 54-chute.
Detailed Description
The invention will be further described with reference to the drawings and exemplary embodiments.
Referring to fig. 1 and 2, a cylinder cylindrical groove line precision detection device based on projection trajectory restoration comprises an annular turntable 1, a marking plate 2, two marking pens 3, a translation table 4 and an adjusting assembly 5.
The cylinder 01 to be detected is a hollow structure, at least one cylindrical surface groove line 02 is arranged on the cylinder 01 to be detected, the cylinder 01 to be detected comprises at least one equal-diameter section, and each cylindrical surface groove line 02 is positioned in the same equal-diameter section; in this embodiment, the cylinder 01 to be inspected is an equal-diameter cylinder, and two cylindrical groove lines 02 are arranged on the cylinder 01 to be inspected.
The marking plate 2 is arranged on the fixed base at one side of the translation table 4; translation platform 4 upper surface sets up annular revolving stage 1 and adjustment subassembly 5, adjustment subassembly 5 are including being located annular revolving stage 1 adjustment platform 51, the center pin 52 of setting on adjustment platform 51 to and the cover is established at two cyclic annular balladeur trains 53 on center pin 52, the direction of motion of center pin 52 perpendicular to translation platform 4 and be on a parallel with the mark face of marking plate 2, the cover is equipped with on the center pin 52 and waits to examine cylinder 01, waits to examine cylinder 01 bottom surface and annular revolving stage 1 fixed connection, waits to examine cylinder 01, annular revolving stage 1 all with the coaxial setting of center pin 52.
A marking pen 3 is arranged in each cylindrical groove line 02 of the cylinder 01 to be detected, and each marking pen 3 comprises a marking part 31 for recording the track of the cylindrical groove line 02 of the cylinder 01 to be detected, a connecting part 33 for fixing with the annular sliding frame 53 and an elastic part 32 positioned between the marking part 31 and the connecting part 33. The connecting part 33 penetrates through the cylindrical surface slot line 02 to be in threaded connection with the annular sliding frame 53 in the cylinder 01 to be detected, and extends into the sliding groove 54 formed in the central shaft 52, the sliding groove 54 is parallel to the axis of the central shaft 52, so that the connecting part 33 slides in the cylindrical surface slot line 02, the fit clearance between the connecting part 33 and the side wall of the cylindrical surface slot line 02 is smaller than 0.01mm, and a lubricating medium is arranged on the part, located in the cylindrical surface slot line 02, of the connecting part 33.
By adopting the device for detecting the accuracy of the cylindrical surface slot line of the cylinder based on projection track restoration, the invention provides a method for detecting the accuracy of the cylindrical surface slot line of the cylinder based on projection track restoration, which comprises the following steps:
step 1, arranging a cylinder to be detected 01 on an annular turntable 1 through an adjusting assembly 5, and enabling the cylinder to be detected 01 to be coaxial with the annular turntable 1 and a central shaft 52;
step 2, arranging a marking pen 3 in each cylindrical surface groove line 02 of the cylinder 01 to be detected, arranging the marking pen 3 at the starting end of the cylindrical surface groove line 02, and arranging the marking pen 3 on the central line of the cylindrical surface groove line 02 and enabling the central axis of the marking pen 3 to be perpendicular to the marking surface of the marking plate 2; adjusting the position of the marking plate 2 to enable the length of the marking pen 3 to be enough to enable the marking part 31 to be in contact with the marking surface of the marking plate 2;
step 3, starting the translation table 4 and the annular rotary table 1 simultaneously, wherein the translation table 4 drives the annular rotary table 1 to move parallel to the marking surface of the marking plate 2, and the annular rotary table 1 drives the cylinder to be detected 01 to rotate, so that the marking part 31 of the marking pen 3 in each cylindrical groove line 02 can slide in the sliding groove 54 and the cylindrical groove line 02 at the same time, and the track of the cylindrical groove line 02 at the marking surface of the marking plate 2 is marked, so that a plane track restoration image of the cylindrical groove line 02 of the cylinder 01 to be detected is obtained, as shown in fig. 3; in order to ensure the track recovery precision, the moving speed of the translation table 4 is not more than 2cm/s, and the rotating speed of the annular rotary table 1 is not more than 30 degrees/s;
and 4, importing the plane track restoration image of the cylindrical surface grooved lines 02 of the cylinder 01 to be detected obtained in the step 3 into drawing software, and performing superposition comparison on the plane track of the theoretical cylindrical surface grooved lines 02 to obtain error values of the cylindrical surface grooved lines 02.
The above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for a person skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to substitute part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.

Claims (6)

1. The utility model provides a cylinder groove line precision detection device based on projection orbit recovers which characterized in that: comprises an annular turntable (1), a marking plate (2), a marking pen (3), a translation table (4) and an adjusting assembly (5);
the cylinder to be detected (01) is of a hollow structure, at least one cylindrical surface groove line (02) is arranged on the cylinder to be detected, the cylinder to be detected (01) comprises at least one equal-diameter section, and each cylindrical surface groove line (02) is located in the same equal-diameter section;
the marking plate (2) is arranged on the fixed base at one side of the translation table (4);
the upper surface of the translation table (4) is provided with the annular turntable (1) and an adjusting assembly (5), the adjusting assembly (5) comprises an adjusting table (51) positioned in the annular turntable (1), a central shaft (52) arranged on the adjusting table (51) and a plurality of annular sliding carriages (53) sleeved on the central shaft (52), the central shaft (52) is perpendicular to the movement direction of the translation table (4) and parallel to the marking surface of the marking plate (2), and the rotating shaft of the annular turntable (1) is overlapped with the central shaft (52);
set up one in waiting to examine every cylinder slotline (02) of cylinder (01) marker pen (3), every marker pen (3) are including mark portion (31), connecting portion (33) to and be located the elasticity portion between mark portion (31) and connecting portion (33), connecting portion (33) are connected with corresponding cyclic annular balladeur train (53), and stretch into spout (54) of setting on center pin (52) in, spout (54) are on a parallel with center pin (52) axis.
2. The apparatus for detecting the groove line accuracy of a cylindrical surface of a cylinder based on projection trajectory restoration of claim 1, wherein: the connecting part (33) is matched with the width of the cylindrical surface groove line (02), the connecting part (33) penetrates through the cylindrical surface groove line (02) to be in threaded connection with the corresponding annular sliding frame (53), and a lubricating medium is arranged on the part, located in the cylindrical surface groove line (02), of the connecting part (33).
3. The apparatus for detecting the groove line accuracy of a cylindrical surface based on projection trajectory reconstruction as claimed in claim 2, wherein: the fit clearance between the connecting part (33) and the side wall of the cylindrical surface groove line (02) is less than 0.01 mm.
4. The apparatus for detecting the groove line accuracy of a cylindrical surface of a cylinder based on projection trajectory restoration of claim 3, wherein: the flatness of the marking surface of the marking plate (2) is not more than 0.01 mm.
5. A method for detecting the accuracy of a cylindrical surface groove line of a cylinder based on projection track restoration is characterized in that the device for detecting the accuracy of the cylindrical surface groove line of the cylinder based on projection track restoration, which is disclosed by claim 1, is adopted, and the method comprises the following steps:
step 1, arranging a cylinder to be detected (01) on an annular turntable (1) through an adjusting assembly (5), and enabling the cylinder to be detected (01) to be coaxial with the annular turntable (1) and a central shaft (52);
step 2, arranging a marking pen (3) in each cylindrical surface groove line (02) of the cylinder (01) to be detected, placing the marking pen (3) at the starting end of the cylindrical surface groove line (02), wherein the marking pen (3) is positioned on the central line of the cylindrical surface groove line (02) and the central axis of the marking pen (3) is perpendicular to the marking surface of the marking plate (2); the position of the marking plate (2) is adjusted to ensure that the length of the marking pen (3) can meet the requirement that the marking part (31) is contacted with the marking surface of the marking plate (2);
step 3, starting the translation table (4) and the annular rotary table (1) at the same time, wherein the translation table (4) drives the annular rotary table (1) to move parallel to the marking surface of the marking plate (2), and the annular rotary table (1) drives the cylinder to be detected (01) to rotate, so that the marking pen (3) in each cylindrical surface groove line (02) marks the track of the cylindrical surface groove line (02) on the marking surface of the marking plate (2), and thus the plane track restoration image of the cylindrical surface groove line (02) of the cylinder to be detected (01) is obtained;
and 4, guiding the plane track restoration image of the cylindrical surface groove lines (02) of the cylinder (01) to be detected obtained in the step 3 into drawing software, and performing superposition comparison on the plane track of the theoretical cylindrical surface groove lines (02) to obtain error values of all the cylindrical surface groove lines (02).
6. The method for detecting the groove line accuracy of the cylindrical surface of the cylinder based on projection trajectory restoration of claim 5, wherein the method comprises the following steps: in the step 3, the moving speed of the translation table (4) is not more than 2cm/s, and the rotating speed of the annular rotary table (1) is not more than 30 DEG/s.
CN202210633099.3A 2022-06-07 2022-06-07 Device and method for detecting cylinder cylindrical surface slot line precision based on projection track restoration Active CN114719707B (en)

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US4786219A (en) * 1985-05-06 1988-11-22 Electricite De France Method and apparatus for machining the wall of a cylindrical tube by milling a groove therein
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CN106773189A (en) * 2017-03-27 2017-05-31 武汉华星光电技术有限公司 The method that macroscopical automatic check machine and lifting display abnormal area measure efficiency
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CN114216384A (en) * 2021-12-01 2022-03-22 肖旭迪 Device and method for detecting surface of automobile hub capable of avoiding dislocation slippage

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