CN110864639B - High-precision shaft diameter measuring device and measuring method - Google Patents
High-precision shaft diameter measuring device and measuring method Download PDFInfo
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- CN110864639B CN110864639B CN201911251675.2A CN201911251675A CN110864639B CN 110864639 B CN110864639 B CN 110864639B CN 201911251675 A CN201911251675 A CN 201911251675A CN 110864639 B CN110864639 B CN 110864639B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a high-precision shaft diameter measuring device and a measuring method, and the device comprises a supporting plate, a servo motor, a double telecentric lens, a CCD camera and a telecentric parallel light source, wherein an installation plate is arranged at the left upper part of the supporting plate, an adjusting block is connected to the top end of a threaded rod, a threaded sleeve is installed on the outer side of the threaded rod, a connecting block is installed inside the connecting rod, a fixture block is arranged at the right side of the connecting block, an upper press block is fixed at the tail end of the fixed rod, an installation block is connected to the outer side of a lower press block, a movable block is arranged at the tail end of the connecting band, a protective block is installed on the outer side of the movable block, a connecting plate is fixed behind the placing plate, the output end of the. This high accuracy diameter of axle measuring device, the not unidimensional axle of being convenient for is fixed, and is convenient for prevent that the axle from taking place to drop, is convenient for improve measurement accuracy moreover.
Description
Technical Field
The invention relates to the technical field of shaft diameter measurement, in particular to a high-precision shaft diameter measuring device and a measuring method.
Background
The shaft part is one of the fittings frequently encountered in hardware fittings, and is mainly used for supporting transmission parts such as gears, belt wheels and the like, and when the shaft part is used, the shaft diameter accuracy of the shaft part directly influences the installation and use, so that a high-accuracy shaft diameter measuring device is required to accurately measure the shaft diameter of the shaft part;
however, the axle diameter measuring device on the market is inconvenient for fixing axles with different sizes, preventing the axles from falling off, and improving the measuring precision, so a high-precision axle diameter measuring device is proposed to solve the problems mentioned above.
Disclosure of Invention
The invention aims to provide a high-precision shaft diameter measuring device and a measuring method, which solve the problems that shafts with different sizes cannot be fixed conveniently, the shafts cannot be prevented from falling off conveniently, and the measuring precision cannot be improved conveniently in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-precision shaft diameter measuring device comprises a supporting plate, a servo motor, a double telecentric lens, a CCD camera and a telecentric parallel light source, wherein a mounting plate is arranged at the upper left of the supporting plate, a threaded rod is arranged inside the mounting plate, the top end of the threaded rod is connected with an adjusting block, a limiting block is arranged above the adjusting block, a threaded sleeve is arranged outside the threaded rod, a connecting rod is fixed at the right side of the threaded sleeve, a connecting block is arranged inside the connecting rod, a fixing rod penetrates through the connecting block, a clamping block is arranged at the right side of the connecting block, an adjusting rod is connected above the clamping block, a clockwork spring is arranged outside the adjusting rod, an upper pressing block is fixed at the tail end of the fixing rod, a lower pressing block is arranged below the upper pressing block, an installation block is connected outside the lower pressing block, and a connecting, the end of connecting band is provided with the movable block, and reset spring is installed in the outside of movable block, the protective block is installed in the outside of movable block, and the below of protective block is connected with places the board, the rear of placing the board is fixed with the connecting plate, and the top internally mounted of connecting plate has servo motor, servo motor's output is connected with the lead screw, and the outside of lead screw is provided with the fixed plate to the inside installation pole that is provided with in rear of fixed plate, two telecentric mirror heads are installed on the place ahead right side of fixed plate, and the right side of two telecentric mirror heads is connected with the CCD camera, and the left side of two telecentric mirror heads is provided with telecentric parallel light.
Preferably, the threaded rod and the adjusting block are welded to form an integrated structure, the inside of the adjusting block is of a hole-shaped structure, and the adjusting block is connected with the limiting block in a clamping mode.
Preferably, the threaded sleeve and the connecting rod form a lifting structure, and the fixing rod is connected with the connecting rod in a clamping manner through a connecting block.
Preferably, the outer surface of the connecting block is of a toothed structure, the connecting block is connected with the clamping block in a clamping manner, and the fixing rod and the connecting block form a rotating structure.
Preferably, the connecting band is elastic structure, and the connecting band is in the outer surface of installation piece and is the equidistance setting to the movable block of connecting band end connection constitutes sliding construction in the inside of protection piece, and protection piece constitutes rotating-structure with placing the board moreover.
Preferably, the fixed plate forms a lifting structure at the outer side of the screw rod, and the mounting rods are symmetrically arranged about the central axis of the fixed plate.
Compared with the prior art, the invention has the beneficial effects that: the high-precision shaft diameter measuring device is convenient for fixing shafts with different sizes, preventing the shafts from falling off and improving the measuring precision;
1. the shaft clamping device is provided with a threaded sleeve and a connecting rod, the connecting rod drives the upper pressing block to lift under the action of the threaded sleeve, and the limiting block is clamped into the inner hole of the adjusting block when the shaft part is clamped, so that shafts with different sizes can be fixed conveniently;
2. the shaft part clamping device is provided with a connecting belt and a protective block, the shaft part is placed above the lower pressing block, the lower pressing block drives the shaft part to move downwards in the clamping process, the movable block slides through the connecting belt in an elastic structure, so that the protective block rotates to be in a vertical state, the clamping stability of the shaft part is improved, and the shaft is prevented from falling conveniently;
3. the device is provided with a screw rod and a fixed plate, a servo motor is started, the fixed plate is driven to lift under the rotating action of the screw rod, shaft parts are moved and scanned under the action of a double telecentric lens, a CCD camera and a telecentric parallel light source, real and accurate image acquisition is realized, and the purpose of improving the measurement precision is achieved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic top view of the connection between the mounting block and the connecting band of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1. a support plate; 2. mounting a plate; 3. a threaded rod; 4. an adjusting block; 5. a limiting block; 6. a threaded sleeve; 7. a connecting rod; 8. connecting blocks; 9. fixing the rod; 10. a clamping block; 11. an adjusting lever; 12. a clockwork spring; 13. pressing the blocks; 14. pressing the block; 15. mounting blocks; 16. a connecting belt; 17. a movable block; 18. a return spring; 19. a protection block; 20. placing the plate; 21. a connecting plate; 22. a servo motor; 23. A screw rod; 24. a fixing plate; 25. a double telecentric lens; 26. a CCD camera; 27. a telecentric parallel light source; 28. and (5) installing a rod.
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. 1-5, the present invention provides a technical solution: a high-precision shaft diameter measuring device comprises a supporting plate 1, a mounting plate 2, a threaded rod 3, an adjusting block 4, a limiting block 5, a threaded sleeve 6, a connecting rod 7, a connecting block 8, a fixing rod 9, a clamping block 10, an adjusting rod 11, a clockwork spring 12, an upper pressing block 13, a lower pressing block 14, a mounting block 15, a connecting band 16, a movable block 17, a reset spring 18, a protective block 19, a placing plate 20, a connecting plate 21, a servo motor 22, a lead screw 23, a fixing plate 24, a double telecentric lens 25, a CCD camera 26, a telecentric parallel light source 27 and a mounting rod 28, wherein the mounting plate 2 is arranged above the left side of the supporting plate 1, the threaded rod 3 is arranged in the mounting plate 2, the top end of the threaded rod 3 is connected with the adjusting block 4, the outer side of the threaded rod 3 is provided with a threaded sleeve 6, the right side of the threaded sleeve 6 is fixed with a connecting rod 7, the inside of the connecting rod 7 is provided with a connecting block 8, a fixing rod 9 penetrates through the inside of the connecting block 8, the right side of the connecting block 8 is provided with a clamping block 10, an adjusting rod 11 is connected above the clamping block 10, the outside of the adjusting rod 11 is provided with a clockwork spring 12, the tail end of the fixing rod 9 is fixed with an upper pressing block 13, the lower pressing block 14 is arranged below the upper pressing block 13, the outer side of the lower pressing block 14 is connected with an installation block 15, the outer side of the installation block 15 is connected with a connecting belt 16, the tail end of the connecting belt 16 is provided with a movable block 17, the outer side of the movable, and the below of protection piece 19 is connected with places board 20, the rear of placing board 20 is fixed with connecting plate 21, and the top internally mounted of connecting plate 21 has servo motor 22, servo motor 22's output is connected with lead screw 23, and the outside of lead screw 23 is provided with fixed plate 24, and the inside installation pole 28 that is provided with in rear of fixed plate 24, two telecentric lens 25 are installed on the place ahead right side of fixed plate 24, and the right side of two telecentric lens 25 is connected with CCD camera 26, and the left side of two telecentric lens 25 is provided with telecentric parallel light source 27.
As shown in fig. 1 and 4, the threaded rod 3 and the adjusting block 4 are welded to form an integrated structure, the adjusting block 4 is internally provided with a hole-shaped structure, the adjusting block 4 is connected with the limiting block 5 in a clamping manner, so that accidental rotation of the threaded rod 3 is prevented, stable clamping of shaft parts is guaranteed, the threaded sleeve 6 and the connecting rod 7 form a lifting structure, the fixing rod 9 is connected with the connecting rod 7 in a clamping manner through the connecting block 8, so that the shaft parts with different sizes can be effectively clamped, the outer surface of the connecting block 8 is in a tooth-shaped structure, the connecting block 8 is connected with the clamping block 10 in a clamping manner, and the fixing rod 9 and the connecting block 8 form a rotating structure, so that the clamped shaft parts can be rotated conveniently, and multi;
as shown in fig. 2, 3 and 5, the connecting band 16 is an elastic structure, the outer surface of the mounting block 15 of the connecting band 16 is arranged at an equal angle, the movable block 17 connected to the end of the connecting band 16 forms a sliding structure inside the protective block 19, the protective block 19 and the placing plate 20 form a rotating structure, so that the clamping stability of the shaft part is increased, the shaft is prevented from dropping, the fixing plate 24 forms a lifting structure outside the screw rod 23, the mounting rods 28 are symmetrically arranged about the central axis of the fixing plate 24, the lifting stability of the fixing plate 24 is increased, and meanwhile, the shaft part is convenient to move and scan, so that the real and accurate image acquisition is realized, and the purpose of improving the measurement precision is achieved.
A measuring method of a high-precision shaft diameter measuring device comprises the following steps: when the high-precision shaft diameter measuring device is used, a shaft part to be measured is firstly placed above a lower pressing block 14 in a drawing 1, a threaded rod 3 in a mounting plate 2 is rotated, a connecting rod 7 in the drawing 4 drives an upper pressing block 13 to lift under the action of a threaded sleeve 6, a limiting block 5 in the drawing 1 is clamped into an inner hole of an adjusting block 4 when the shaft part is clamped, the threaded rod 3 is prevented from rotating accidentally, shafts with different sizes are fixed conveniently, the lower pressing block 14 drives the shaft part to move downwards in the clamping process of the shaft part, a movable block 17 is made to slide through a connecting belt 16 which is in an elastic structure in the drawing 5, a protective block 19 is made to rotate to a vertical state, the clamping stability of the shaft part is improved, and the shaft is prevented from falling, and after the shaft parts are taken down, the movable block 17 is arranged at
The slide is under the action of the return spring 18, so that the protective block 19 is reset;
starting a servo motor 22 with the type IHSS57-36-20 in the figure 1, enabling a screw rod 23 to start rotating, so that a fixing plate 24 stably ascends and descends in front of a connecting plate 21 under the action of symmetrically arranged mounting rods 28, and movably scans shaft parts under the action of a double telecentric lens 25, a CCD camera 26 and a telecentric parallel light source 27 to achieve real and accurate image acquisition and achieve the purpose of improving the measurement precision, wherein a fixing rod 9 and a connecting block 8 in the figure 4 form a rotating structure, an adjusting rod 11 is pressed backwards to separate a fixture block 10 from the connecting block 8 with the tooth-shaped outer surface, the shaft parts are driven to rotate through the rotation of the fixing rod 9, and after the rotation is finished, the adjusting rod 11 is loosened to enable the fixture block 10 to be re-clamped with the connecting block 8 under the action of a clockwork spring 12, the shaft part which is convenient to rotate and clamp is measured in multiple directions, so that a series of operations of the high-precision shaft diameter measuring device are completed.
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 (2)
1. The utility model provides a high accuracy diameter of axle measuring device, includes backup pad (1), servo motor (22), two telecentric mirror head (25), CCD camera (26) and telecentric parallel light source (27), its characterized in that: the upper left side of the supporting plate (1) is provided with a mounting plate (2), the interior of the mounting plate (2) is provided with a threaded rod (3), the top end of the threaded rod (3) is connected with an adjusting block (4), a limiting block (5) is installed above the adjusting block (4), a threaded sleeve (6) is installed on the outer side of the threaded rod (3), a connecting rod (7) is fixed on the right side of the threaded sleeve (6), a connecting block (8) is installed inside the connecting rod (7), a fixing rod (9) penetrates through the inside of the connecting block (8), a clamping block (10) is arranged on the right side of the connecting block (8), an adjusting rod (11) is connected above the clamping block (10), a clockwork spring (12) is installed on the outer side of the adjusting rod (11), an upper pressing block (13) is fixed at the tail end of the fixing rod (9), and a lower pressing block (, the outer side of the lower pressing block (14) is connected with an installation block (15), the outer side of the installation block (15) is connected with a connecting belt (16), the tail end of the connecting belt (16) is provided with a movable block (17), a reset spring (18) is installed on the outer side of the movable block (17), a protection block (19) is installed on the outer side of the movable block (17), a placement plate (20) is connected to the lower portion of the protection block (19), a connecting plate (21) is fixed to the rear portion of the placement plate (20), a servo motor (22) is installed inside the upper portion of the connecting plate (21), the output end of the servo motor (22) is connected with a screw rod (23), a fixing plate (24) is arranged on the outer side of the screw rod (23), an installation rod (28) is arranged inside the rear portion of the fixing plate (24), and a double telecentric lens (25, and the right side of the double telecentric lens (25) is connected with a CCD camera (26), and the left side of the double telecentric lens (25) is provided with a telecentric parallel light source (27), the threaded rod (3) and the adjusting block (4) are welded to form an integrated structure, the inside of the adjusting block (4) is of a hole-shaped structure, and the adjusting block (4) is connected with the limiting block (5) in a clamping way, the threaded sleeve (6) and the connecting rod (7) form a lifting structure, the fixing rod (9) is connected with the connecting rod (7) in a clamping way through the connecting block (8), the outer surface of the connecting block (8) is of a tooth-shaped structure, the connecting block (8) is connected with the clamping block (10) in a clamping way, the fixing rod (9) and the connecting block (8) form a rotating structure, the connecting belt (16) is of an elastic structure, and the connecting belt (16) is arranged at equal angle on the outer surface of, and the movable block (17) connected with the tail end of the connecting belt (16) forms a sliding structure in the protective block (19), the protective block (19) and the placing plate (20) form a rotating structure, the fixed plate (24) forms a lifting structure at the outer side of the screw rod (23), and the mounting rods (28) are symmetrically arranged relative to the central axis of the fixed plate (24).
2. A measuring method of a high-precision shaft diameter measuring device according to claim 1, characterized in that: the measuring method of the measuring device comprises the following steps: when the high-precision shaft diameter measuring device is used, shaft parts to be measured are firstly placed above a lower pressing block (14), a threaded rod (3) in a mounting plate (2) is rotated, a connecting rod (7) drives an upper pressing block (13) to lift under the action of a threaded sleeve (6), a limiting block (5) is clamped into an inner hole of an adjusting block (4) when the shaft parts are clamped, accidental rotation of the threaded rod (3) is prevented, fixing of shafts with different sizes is facilitated, the lower pressing block (14) drives the shaft parts to move downwards in the clamping process of the shaft parts, a movable block (17) slides through a connecting belt (16) in an elastic structure, a protective block (19) is rotated to be in a vertical state, the clamping stability of the shaft parts is improved, the shafts are prevented from falling, and after the shaft parts are taken down, the movable block (17) slides under the action of a reset spring (18), resetting the guard block (19); starting a servo motor (22) with the type IHSS57-36-20 to enable a screw rod (23) to start rotating, so that a fixing plate (24) stably ascends and descends in front of a connecting plate (21) under the action of symmetrically arranged mounting rods (28), and movably scans shaft parts under the action of a double telecentric lens (25), a CCD camera (26) and a telecentric parallel light source (27), so as to achieve real and accurate image acquisition and achieve the purpose of improving the measurement precision, a fixing rod (9) and a connecting block (8) form a rotating structure, an adjusting rod (11) is pressed backwards to separate a fixture block (10) from the connecting block (8) with the outer surface in a tooth shape, the rotation of the shaft parts is driven by the rotation of the fixing rod (9), after the rotation is completed, the adjusting rod (11) is loosened, so that the fixture block (10) is re-clamped with the connecting block (8) under the action of a clockwork spring (12), the shaft parts which are convenient to rotate and clamp are measured in multiple directions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911251675.2A CN110864639B (en) | 2019-12-09 | 2019-12-09 | High-precision shaft diameter measuring device and measuring method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911251675.2A CN110864639B (en) | 2019-12-09 | 2019-12-09 | High-precision shaft diameter measuring device and measuring method |
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| Publication Number | Publication Date |
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| CN110864639A CN110864639A (en) | 2020-03-06 |
| CN110864639B true CN110864639B (en) | 2021-06-15 |
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| CN201911251675.2A Active CN110864639B (en) | 2019-12-09 | 2019-12-09 | High-precision shaft diameter measuring device and measuring method |
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| CN116538940B (en) * | 2023-07-06 | 2023-09-26 | 苏州次源科技服务有限公司 | High-precision measuring device and measuring method based on multidirectional high-precision camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010085341A (en) * | 2008-10-02 | 2010-04-15 | Ntn Corp | Spherical shape measuring device and spherical shape measuring method |
| CN204128509U (en) * | 2014-10-17 | 2015-01-28 | 山西迪迈沃科光电工业有限公司 | A kind of diameter measurement device |
| CN105571456A (en) * | 2014-10-29 | 2016-05-11 | 西安群丰电子信息科技有限公司 | Measuring jig |
| CN208068102U (en) * | 2018-04-19 | 2018-11-09 | 商洛市三佳塑胶有限公司 | A kind of tubular object extruding clamping device |
| CN208902085U (en) * | 2018-10-10 | 2019-05-24 | 浙江兴红建设工程检测有限公司 | A kind of architectural engineering heterotype tubing external diameter detection device |
| CN209043253U (en) * | 2018-12-29 | 2019-06-28 | 郑州航空工业管理学院 | A kind of small-sized orifice aperture measurement device of Industrial Engineering |
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Non-Patent Citations (1)
| Title |
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| 一种弹体类零件综合自动检测装置;赵兴俭等;《新技术新工艺》;20141231(第10期);第120-123页 * |
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Effective date of registration: 20231108 Address after: 230000 b-1018, Woye Garden commercial office building, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee after: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20231108 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 130032 No. 677 Jibei Road, Changchun City, Jilin Province Patentee before: CHANGCHUN NORMAL University |
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