CN111322957A - Measuring mechanism for measuring inner hole diameter by using color confocal method - Google Patents
Measuring mechanism for measuring inner hole diameter by using color confocal method Download PDFInfo
- Publication number
- CN111322957A CN111322957A CN202010319862.6A CN202010319862A CN111322957A CN 111322957 A CN111322957 A CN 111322957A CN 202010319862 A CN202010319862 A CN 202010319862A CN 111322957 A CN111322957 A CN 111322957A
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- China
- Prior art keywords
- measuring
- tray
- inner hole
- fixedly connected
- color confocal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
- G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
Abstract
The invention discloses a measuring mechanism for measuring the diameter of an inner hole by using a color confocal method, and relates to the technical field of measuring tools. Including base and fixed plate, the upper surface of base is used for the mounting panel of installation component through first set screw fixedly connected with, the last fixed surface of mounting panel is connected with two linear guide that are parallel to each other, a plurality of locating holes have been seted up to linear guide's equidistant on the body, linear guide's top sliding connection has the tray, the top of tray has been placed and has been measured the annular work piece of volume of awaiting measuring, the fixed position that corresponds the locating hole of one side corner of tray is pegged graft and is had the locating pin, the guide post of four symmetries of second set screw and support fixedly connected with is passed through to the top back half of base. The diameter of the inner hole can be measured by using a color confocal method through the three color confocal sensors, the measurement is accurate, the measurement error caused by using a traditional measurement tool is avoided, and the whole structure of the device is simple.
Description
Technical Field
The invention relates to the technical field of measuring tools, in particular to a measuring mechanism for measuring the diameter of an inner hole by using a color confocal method.
Background
The diameter of the circle inside a circular object is called the inner diameter, and in the conventional measurement technique, the diameter is usually measured directly by a micrometer or a vernier caliper. In daily production, when a hole is measured by an inner diameter ruler, a measuring contact measuring surface of the hole is supported on a measured surface, a micro-drum is adjusted to enable the measuring surface on one side of the micro-drum to swing in a radial section of the hole, the minimum size is found, and then a fixing screw is screwed to take out and read. In industrial measurement, an inside dial gauge is generally used, which is a combination of an inside lever-type measuring stand and a dial gauge, and measures or inspects the diameters of an inner hole and a deep hole of a part and the shape accuracy thereof by a comparative measurement method using a measuring instrument that changes the linear displacement of a probe into the angular displacement of a pointer.
For some workpieces with extremely high precision requirements, a micrometer or a vernier caliper and an inner diameter dial indicator cannot meet the requirement for measuring high precision, so that a device for measuring the diameter of an inner hole of the workpiece with high precision needs to be designed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the measuring mechanism for measuring the diameter of the inner hole by using the color confocal method, which has the advantages of convenience in operation, high measuring accuracy and the like, and solves the problem that the conventional workpiece inner hole is inaccurate in high-accuracy measurement.
(II) technical scheme
In order to realize the purposes of convenient operation and high measurement accuracy, the invention provides the following technical scheme: a measuring mechanism for measuring the diameter of an inner hole by using a color confocal method comprises a base and a fixing plate, wherein the upper surface of the base is fixedly connected with a mounting plate for mounting a component through a first fixing screw, the upper surface of the mounting plate is fixedly connected with two parallel linear guide rails, a plurality of positioning holes are formed in the bodies of the linear guide rails at equal intervals, the tops of the linear guide rails are slidably connected with a tray, an annular workpiece to be measured is placed on the top of the tray, positioning pins are fixedly inserted into the positions, corresponding to the positioning holes, of the corners on one side of the tray, and the rear half section of the top of the base is fixedly connected with four symmetrical guide posts through a second fixing screw and a support;
sliding sleeve, spring and support piece have cup jointed in proper order down supreme on the cylinder of guide post, two oblique top fixedly connected with screw thread posts of right guide post wherein of guide post, threaded connection has the stationary blade on the cylinder of screw thread post, the top fixedly connected with reference column of two other oblique right guide posts of guide post, the fixed orifices has all been seted up to four corners of fixed plate, the top of four guide posts is inserted respectively in the fixed orifices and is fixed through the stationary blade, through the three colored confocal sensor of fixed block fixedly connected with on the plate body of fixed plate.
As a preferred technical scheme of the invention, two ends of the top of the plate body of the mounting plate are fixedly connected with limiting columns for limiting the tray.
As a preferred technical scheme of the invention, one side of the top of the plate body of the fixing plate is fixedly connected with a handle, and an anti-skid rubber sleeve is sleeved outside the handle.
As a preferable technical scheme of the invention, one side of the tray is fixedly connected with a handle, and an anti-skid rubber sleeve is sleeved outside the handle.
As a preferable technical scheme of the invention, the three color confocal sensors are arranged in a regular triangle structure.
As a preferable technical scheme of the invention, a limiting groove for preventing the displacement of the annular workpiece is formed on the tray body of the tray.
As a preferable technical scheme of the invention, the bottom of the tray is provided with two sliding grooves matched with the linear guide rails.
(III) advantageous effects
Compared with the prior art, the invention provides a measuring mechanism for measuring the diameter of an inner hole by using a color confocal method, which has the following beneficial effects: the diameter of the inner hole can be measured by using a color confocal method through the three color confocal sensors, the measurement is accurate, the measurement error caused by using a traditional measurement tool is avoided, the whole structure of the device is simple, the operation is convenient, and the device is suitable for popularization and use.
Drawings
FIG. 1 is a schematic structural diagram of a measuring mechanism for measuring the diameter of an inner hole by using a color confocal method according to the present invention;
fig. 2 is a schematic structural diagram of an annular workpiece portion of a measuring mechanism for measuring the diameter of an inner hole by using a color confocal method according to the present invention.
In the figure: 1. a base; 2. mounting a plate; 3. a linear guide rail; 4. positioning holes; 5. a tray; 6. an annular workpiece; 7. positioning pins; 8. a limiting column; 9. a support; 10. a sliding sleeve; 11. a spring; 12. a fixing plate; 13. a fixing hole; 14. a fixing sheet; 15. a fixed block; 16. a chromatic confocal sensor; 17. a handle; 18. a handle; 19. a first set screw; 20. a second set screw; 21. a guide post; 22. a support sheet; 23. a threaded post; 24. and a positioning column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a measuring mechanism for measuring an inner hole diameter by using a color confocal method includes a base 1 and a fixing plate 12, an installation plate 2 for installing a component is fixedly connected to an upper surface of the base 1 through a first fixing screw 19, two parallel linear guide rails 3 are fixedly connected to an upper surface of the installation plate 2, a plurality of positioning holes 4 are equidistantly formed in a body of each linear guide rail 3, a tray 5 is slidably connected to a top of each linear guide rail 3, an annular workpiece 6 to be measured is placed on a top of the tray 5, a positioning pin 7 is fixedly inserted into a position of a corner of one side of the tray 5 corresponding to the positioning hole 4, four symmetrical guide posts 21 are fixedly connected to a rear half section of the top of the base 1 through a second fixing screw 20 and a support 9, and a sliding sleeve 10, a sliding sleeve and a sliding sleeve, The device comprises a spring 11 and a supporting sheet 22, wherein the top parts of two oblique guide posts 21 of the guide posts 21 are fixedly connected with a threaded post 23, the post bodies of the threaded posts 23 are connected with a fixing sheet 14 in a threaded manner, the top parts of the other two oblique guide posts 21 of the guide posts 21 are fixedly connected with a positioning post 24, four corners of a fixing plate 12 are provided with fixing holes 13, the top parts of the four guide posts 21 are respectively inserted into the fixing holes 13 and are fixed through the fixing sheet 14, three color confocal sensors 16 are fixedly connected onto the plate body of the fixing plate 12 through fixing blocks 15, the three confocal color sensors 16 are mounted in a regular triangle structure, the diameter of an inner hole can be measured by using a color confocal method through the three color confocal sensors 16, the measurement is accurate, the measurement error caused by using a traditional measuring tool is avoided, and the whole structure of the device is simple, the operation is convenient, and the utility model is suitable for popularization and application.
As a specific technical scheme of this embodiment, two ends of the top of the plate body of the mounting plate 2 are fixedly connected with a limiting column 8 for limiting the tray 5.
In this embodiment, the limiting column 8 limits the tray 5 and prevents the tray from sliding out of the base 1.
As a specific technical solution of this embodiment, a handle 17 is fixedly connected to one side of the top of the plate body of the fixing plate 12, an anti-slip rubber sleeve is sleeved outside the handle 17, a handle 18 is fixedly connected to one side of the tray 5, and an anti-slip rubber sleeve is sleeved outside the handle 18.
In this embodiment, the handle 17 and the handle 18 facilitate the movement of the fixing plate 12 and the tray 5, and the anti-slip rubber sleeve increases the friction force to avoid slipping.
As a specific technical solution of this embodiment, a limiting groove for preventing the annular workpiece 6 from displacing is formed on the tray body of the tray 5.
In this embodiment, the limiting groove can prevent the annular workpiece 6 from displacing when the tray 5 is pulled.
As a specific technical solution of this embodiment, the bottom of the tray 5 is provided with two sliding grooves matched with the linear guide 3.
In this embodiment, the chute is matched with the linear guide 3, so that the moving stability of the tray 5 is improved.
The working principle and the using process of the invention are as follows: when the device is used, a circle is positioned at three points through the color confocal sensor 16, the diameter of the circle is measured, the color confocal sensor 16 measures 90 degrees and can measure displacement in the radial direction, when the measurement is started, the tray 5 is pulled out through the handle 18, the annular workpiece 6 to be measured is placed on the tray 5, the positioning pin 7 is arranged on the tray 5 for accurate positioning and radial movement, after the fixing is completed, the handle 18 of the tray 5 is pushed into the measuring position, the sensor measuring mechanism is pressed down, the three color confocal sensors 16 can radially measure the inner wall position of the annular workpiece 6 to be measured, through subsequent data processing, three points are fitted into a circle, the diameter of the circle is calculated, after the detection is completed, the sensor measuring mechanism is reset to the initial position, the tray 5 is pulled out through the handle 17 of the tray 5, and the next workpiece to be measured is manually disassembled and installed.
In summary, the measuring mechanism for measuring the diameter of the inner hole by using the color confocal method can realize the measurement of the diameter of the inner hole by using the color confocal method through the three color confocal sensors 16, has accurate measurement, avoids measurement errors caused by using a traditional measuring tool, has a simple integral structure, is convenient to operate, and is suitable for popularization and use.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A measuring mechanism for measuring an inner hole diameter using a color confocal method, comprising a base (1) and a fixed plate (12), characterized in that: the upper surface of base (1) is connected with mounting panel (2) that are used for installing the part through first set screw (19) fixedly, the upper surface fixed connection of mounting panel (2) has two linear guide (3) that are parallel to each other, a plurality of locating holes (4) have been seted up to equidistant on the body of linear guide (3), the top sliding connection of linear guide (3) has tray (5), the top of tray (5) has been placed and has been waited to measure annular work piece (6), the fixed position that one side corner of tray (5) corresponds locating hole (4) is pegged graft and is had locating pin (7), the second half section in top of base (1) is through second set screw (20) and support (9) fixedly connected with four symmetrical guide posts (21;)
Sliding sleeve (10), spring (11) and support piece (22) have been cup jointed from supreme down in proper order on the cylinder of guide post (21), guide post (21) wherein two oblique top fixedly connected with screw thread post (23) of guide post (21), threaded connection has stationary blade (14) on the cylinder of screw thread post (23), guide post (21) other two oblique top fixedly connected with reference column (24) of guide post (21) to, fixed orifices (13) have all been seted up to four corners of fixed plate (12), the top of four guide posts (21) is inserted respectively in fixed orifices (13) and is fixed through stationary blade (14), through three confocal color sensor (16) of fixed block (15) fixedly connected with on the plate body of fixed plate (12).
2. A measuring mechanism for measuring an inner hole diameter using a color confocal method according to claim 1, characterized in that: the mounting plate is characterized in that two ends of the top of the plate body of the mounting plate (2) are fixedly connected with limiting columns (8) used for limiting the tray (5).
3. A measuring mechanism for measuring an inner hole diameter using a color confocal method according to claim 1, characterized in that: one side of the top of the plate body of the fixing plate (12) is fixedly connected with a handle (17), and an anti-slip rubber sleeve is sleeved outside the handle (17).
4. A measuring mechanism for measuring an inner hole diameter using a color confocal method according to claim 1, characterized in that: one side of the tray (5) is fixedly connected with a handle (18), and an anti-skid rubber sleeve is sleeved outside the handle (18).
5. A measuring mechanism for measuring an inner hole diameter using a color confocal method according to claim 1, characterized in that: the three color confocal sensors (16) are arranged in a regular triangle structure.
6. A measuring mechanism for measuring an inner hole diameter using a color confocal method according to claim 1, characterized in that: and a limiting groove for preventing the annular workpiece (6) from displacing is formed in the tray body of the tray (5).
7. A measuring mechanism for measuring an inner hole diameter using a color confocal method according to claim 1, characterized in that: the bottom of the tray (5) is provided with two sliding grooves matched with the linear guide rails (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319862.6A CN111322957A (en) | 2020-04-22 | 2020-04-22 | Measuring mechanism for measuring inner hole diameter by using color confocal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319862.6A CN111322957A (en) | 2020-04-22 | 2020-04-22 | Measuring mechanism for measuring inner hole diameter by using color confocal method |
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| CN111322957A true CN111322957A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010319862.6A Pending CN111322957A (en) | 2020-04-22 | 2020-04-22 | Measuring mechanism for measuring inner hole diameter by using color confocal method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117095771A (en) * | 2023-10-18 | 2023-11-21 | 昆山尚瑞智能科技有限公司 | High-precision spectrum measurement data optimization processing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210220973U (en) * | 2019-08-12 | 2020-03-31 | 无锡盛科创智能科技有限公司 | Measurement structure for measuring shape and position parameters of shaft parts by adopting color confocal method |
| CN210220993U (en) * | 2019-08-12 | 2020-03-31 | 无锡盛科创智能科技有限公司 | Measuring mechanism for measuring inner hole diameter by using color confocal method |
-
2020
- 2020-04-22 CN CN202010319862.6A patent/CN111322957A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210220973U (en) * | 2019-08-12 | 2020-03-31 | 无锡盛科创智能科技有限公司 | Measurement structure for measuring shape and position parameters of shaft parts by adopting color confocal method |
| CN210220993U (en) * | 2019-08-12 | 2020-03-31 | 无锡盛科创智能科技有限公司 | Measuring mechanism for measuring inner hole diameter by using color confocal method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117095771A (en) * | 2023-10-18 | 2023-11-21 | 昆山尚瑞智能科技有限公司 | High-precision spectrum measurement data optimization processing method |
| CN117095771B (en) * | 2023-10-18 | 2024-02-06 | 昆山尚瑞智能科技有限公司 | High-precision spectrum measurement data optimization processing method |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201210 Address after: 272000 complex building of laser research institute, Shandong Academy of Sciences, No.46 Haichuan Road, high tech Zone, Jining City, Shandong Province Applicant after: LASER INSTITUTE,SHANDONG ACADEMY OF SCIENCES Address before: A10, 4 / F, 168 Chunxu Road, Kunshan Development Zone, Suzhou City, Jiangsu Province 215300 (cluster registration) Applicant before: Kunshan shangrui Intelligent Technology Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200623 |
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| RJ01 | Rejection of invention patent application after publication |