CN113865828A - Special calibrating device for reading microscope - Google Patents
Special calibrating device for reading microscope Download PDFInfo
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- CN113865828A CN113865828A CN202111135645.2A CN202111135645A CN113865828A CN 113865828 A CN113865828 A CN 113865828A CN 202111135645 A CN202111135645 A CN 202111135645A CN 113865828 A CN113865828 A CN 113865828A
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- 238000000034 method Methods 0.000 abstract description 11
- 239000011521 glass Substances 0.000 abstract description 7
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- 230000008859 change Effects 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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Abstract
The invention discloses a special calibrating device for a reading microscope, and belongs to the technical field of measuring instrument detection. Comprises a clamping structure, a lifting structure and an object stage; the upper end of the lifting structure is fixedly connected with the clamping structure; the objective table comprises a bottom plate, a middle plate, a top plate and a transparent round table, wherein the bottom plate is fixedly connected with the lower end of the lifting structure, a transverse guide structure is arranged between the bottom plate and the middle plate, a longitudinal guide structure is arranged between the middle plate and the top plate, and the top plate is connected with the transparent round table through a rotating shaft. Elevation structure can realize reading microscope and the change of placing the distance between the glass line rule on transparent round platform through the height of adjusting clamping structure for focus, this application has solved reading microscope clamping unstability and the difficult problem of alignment in actual verification process well.
Description
Technical Field
The invention relates to the technical field of measuring instrument detection, in particular to a special calibrating device for a reading microscope.
Background
In the process of calibrating the metering performance of the reading microscope according to the national metering and calibrating regulation JJJG 571-2014 reading and measuring microscope, firstly, the reading microscope needs to be clamped and fixed, a micrometer serving as a metering standard device is arranged under the reading microscope, then, the focal length is determined by adjusting the distance between the reading microscope and the micrometer, the scale mark of the micrometer is clearly imaged in an eyepiece under the condition of proper external light irradiation, then, the scale mark is aligned with the scale mark of the reading microscope and is differentiated from a plate by the micrometer, and finally, a drum wheel is rotated to slightly drive a reticle to compare and measure the scale mark, so that the calibrating process of the reading microscope is complex and cumbersome, and the reading microscope has a plurality of inconveniences;
the existing special calibrating device for the reading microscope has incomplete functions and cannot well solve the problem that the reading microscope is difficult to align in the actual calibrating process.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a special calibrating device for a reading microscope.
The invention provides a special calibrating device for a reading microscope, which comprises: the device comprises a clamping structure, a lifting structure and an objective table; the upper end of the lifting structure is fixedly connected with the clamping structure; the objective table comprises a bottom plate, a middle plate, a top plate and a transparent round table, wherein the bottom plate is fixedly connected with the lower end of the lifting structure, a transverse guide structure is arranged between the bottom plate and the middle plate, a longitudinal guide structure is arranged between the middle plate and the top plate, and the top plate is connected with the transparent round table through a rotating shaft.
Preferably, the clamping structure comprises a first plate body and a second plate body, a first notch for clamping the reading microscope is arranged in the middle of the first plate body, through holes are respectively formed in two ends of the first plate body, one end of a sliding shaft penetrates through each through hole, and the other end of the sliding shaft is fixed at two ends of the second plate body; and a tension spring is sleeved on the sliding shaft, the two ends of the tension spring are respectively connected with the first plate body and the second plate body, and the second plate body is fixed at the upper end of the lifting structure.
Preferably, the transverse guiding structure is a first ball screw, the first ball screw includes a first screw, a first nut and a first moving block, the bottom surface of the middle plate is provided with a first groove, two pairs of side walls of the first groove are respectively rotatably connected with two ends of the first screw, one end of the first screw is fixedly connected with the first nut, the first nut is located outside the first groove, the middle part of the first screw is in threaded connection with the first moving block, and the first moving block is fixedly connected with the upper surface of the bottom plate.
Preferably, the longitudinal guide structure is a second ball screw, the second ball screw includes a second screw, a second nut and a second moving block, a second groove is formed in the bottom surface of the top plate, two pairs of side walls of the second groove are rotatably connected to two ends of the second screw respectively, one end of the second screw is fixedly connected to the second nut, the second nut is located outside the second groove, the middle portion of the second screw is in threaded connection with the second moving block, and the second moving block is fixedly connected to the upper surface of the middle plate.
Preferably, the lifting structure comprises an upright post, a rack, a gear, a slider, a support rod, a third nut and a bolt, the upper surface of the bottom plate is fixedly connected with the upright post, the side wall of the upright post is fixedly connected with the rack, the rack is meshed with the gear, the gear is rotatably connected onto two opposite side walls of a sliding hole through a gear shaft, the sliding hole is formed in the slider, the sliding hole penetrates through two end faces of the slider, the slider is sleeved on the upright post through the sliding hole, the slider is fixedly connected with one end of the support rod, and the other end of the support rod is fixedly connected with the second plate body; one end of the gear shaft penetrates through the side wall of the sliding block and the end part of the gear shaft is fixedly connected with a third nut, a threaded hole is further formed in the sliding block, the threaded hole is in threaded connection with a bolt, and the end part of the bolt is abutted to the stand column.
Preferably, the LED lamp bank is arranged in the transparent circular truncated cone and serves as a light emitting source, the LED lamp bank is electrically connected with a knob for controlling the switch of the LED lamp bank, and the knob is arranged on the side wall of the top plate.
Preferably, a second notch is arranged on the second plate body, and the bottom surface of the second notch is a plane; the first notch is a V-shaped notch, and two side surfaces of the V-shaped notch and the bottom surface of the second notch are used as three surfaces for clamping the reading microscope.
Compared with the prior art, the invention has the beneficial effects that:
this device adopts first plate body and second plate body to exert the method of centre gripping through tension spring's shrink can realize quick tight reading microscope of clamp, fix the reading microscope at the middle part of first plate body, and the objective table that is located clamping structure under can realize the removal and the rotation of two directions, be convenient for find better and fix a position, elevation structure can be through adjusting clamping structure's height, realize the reading microscope and place the change of the distance between the glass line rule on transparent round platform, be used for focus regulation, the problem that the centre gripping of reading microscope is unstable and difficult to the line in actual verification process has been solved well in this application.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals:
1. the LED lamp comprises a base plate, 2, a first nut, 3, a middle plate, 4, a top plate, 7, a stand column, 8, a bolt, 9, a sliding block, 10, a rack, 11, a third nut, 12, a supporting rod, 13, a second plate, 14, the first plate, 15, a sliding shaft, 17, an LED lamp group, 18, a transparent circular truncated cone, 19, a second nut and 21, a knob.
Detailed Description
The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The special calibrating device for the reading microscope provided by the invention comprises the following components in percentage by weight: the device comprises a clamping structure, a lifting structure and an objective table; the upper end of the lifting structure is fixedly connected with the clamping structure; the objective table comprises a bottom plate 1, a middle plate 3, a top plate 4 and a transparent round table 18, wherein the bottom plate 1 is fixedly connected with the lower end of a lifting structure, a transverse guide structure is arranged between the bottom plate 1 and the middle plate 3, a longitudinal guide structure is arranged between the middle plate 3 and the top plate 4, and the top plate 4 is connected with the transparent round table 18 through a rotating shaft.
Preferably, the clamping structure comprises a first plate body 14 and a second plate body 13, a first notch for clamping the reading microscope is arranged in the middle of the first plate body 14, through holes are respectively arranged at two ends of the first plate body 14, one end of a sliding shaft 15 penetrates through each through hole, and the other end of the sliding shaft 15 is fixed at two ends of the second plate body 13; and a tension spring is sleeved on the sliding shaft 15, two ends of the tension spring are respectively connected with the first plate body 14 and the second plate body 13, and the second plate body 13 is fixed at the upper end of the lifting structure.
This device adopts first plate body 14 and second plate body 13 to exert the centre gripping method through tension spring's shrink can realize quick tight reading microscope's urceolus of pressing from both sides, fix the reading microscope at the middle part of first plate body 14, and the objective table that is located under the clamping structure can realize the removal and the rotation of two directions, be convenient for find better and fix a position, elevation structure can be through adjusting clamping structure's height, realize the reading microscope and place the change of the distance between the glass line chi on transparent round platform 18, be used for adjusting the focus, the unstable and difficult problem of alignment of centre gripping of reading microscope in actual verification process has been solved well in this application.
Preferably, the transverse guiding structure is a first ball screw, the first ball screw includes a first screw, a first nut 2 and a first moving block, a first groove is formed in the bottom surface of the middle plate 3, two pairs of side walls of the first groove are respectively rotatably connected to two ends of the first screw, one end of the first screw is fixedly connected to the first nut 2, the first nut 2 is located outside the first groove, the middle portion of the first screw is in threaded connection with the first moving block, and the first moving block is fixedly connected to the upper surface of the bottom plate 1.
Above-mentioned structure is used for adjusting the lateral shifting of objective table better, and through knob first nut 2, first nut 2 drives first screw rod and rotates, first screw rod and the first movable block spiro union and the meshing that are fixed in on bottom plate 1, and first movable block provides reverse thrust for first screw rod and medium plate 3, realizes the lateral shifting of medium plate 3.
Preferably, the longitudinal guide structure is a second ball screw, the second ball screw includes a second screw rod, a second nut 19 and a second moving block, a second groove is formed in the bottom surface of the top plate 4, two pairs of side walls of the second groove are respectively rotatably connected to two ends of the second screw rod, one end of the second screw rod is fixedly connected to the second nut 19, the second nut 19 is located outside the second groove, the middle portion of the second screw rod is in threaded connection with the second moving block, and the second moving block is fixedly connected to the upper surface of the middle plate 3.
The structure is used for better adjusting the longitudinal movement of the object stage, and the using method and the principle are the same as those of the transverse guiding structure.
Preferably, the lifting structure comprises an upright post 7, a rack 10, a gear, a slider 9, a support rod 12, a third nut 11 and a bolt 8, the upper surface of the bottom plate 1 is fixedly connected with the upright post 7, the side wall of the upright post 7 is fixedly connected with the rack 10, the rack 10 is meshed with the gear, the gear is rotatably connected to two opposite side walls of a sliding hole through a gear shaft, the sliding hole is formed in the slider 9 and penetrates through two end faces of the slider 9, the slider 9 is sleeved on the upright post 7 through the sliding hole, the slider 9 is fixedly connected with one end of the support rod 12, and the other end of the support rod 12 is fixedly connected with a second plate body 13; one end of the gear shaft penetrates through the side wall of the sliding block 9, the end part of the gear shaft is fixedly connected with a third nut 11, a threaded hole is further formed in the sliding block 9, the threaded hole is in threaded connection with a bolt 8, and the end part of the bolt 8 is abutted to the upright post 7.
The structure is used for better adjusting the height of the clamping structure and realizing the locking at any position; the third nut 11 of knob drives the gear revolve, and the gear meshes with the rack 10 of fixing on stand 7, realizes the altitude mixture control of slider 9, and after the altitude mixture control was good, the bolt 8 of screwing, the locking is realized on the surface of 8 butt stands 7 of bolt.
Preferably, an LED lamp set 17 is arranged inside the transparent circular truncated cone 18 as a light emitting source, the LED lamp set 17 is electrically connected to a knob 21 for controlling the on/off of the LED lamp set, and the knob 21 is arranged on the side wall of the top plate 4.
The purpose is to increase the light intensity inside the transparent circular truncated cone 18 and to be able to see clearer imaging in a reading microscope.
Preferably, a second notch is formed in the second plate body 15, and the bottom surface of the second notch is a plane; the first notch is a V-shaped notch, and two side surfaces of the V-shaped notch and the bottom surface of the second notch are used as three surfaces for clamping the reading microscope.
When the three surfaces clamp the reading microscope together, the reading microscope can be clamped quickly, and meanwhile, the center of the reading microscope can be quickly coincided with the center of the triangle formed by the three surfaces, so that the functions of quick centering and positioning are realized.
The use method of the special calibrating device for the reading microscope comprises the following steps:
1. the first plate body 14 is pulled in the direction away from the second plate body 13, so that the first plate body 14 is separated from the second plate body 13, the reading microscope is placed between the first plate body 14 and the second plate body 13, the first plate body 14 is released, the tension spring contracts, the first plate body 14 and the second plate body 13 clamp the cylinder wall of the reading microscope, then the glass linear ruler of the standard device is placed on the transparent circular table, the knob 21 is rotated, and the LED lamp bank 17 is turned on.
2. The third nut 11 is rotated to adjust the focal distance between the reading microscope and the glass linear ruler, so that the image is clearly displayed in the eyepiece of the reading microscope, and then the focal distance is fixed by screwing the bolt 8.
3. The first nut 2, the second nut 19 and the transparent circular truncated cone 18 are respectively rotationally adjusted to enable the reading microscope cross reticle marking to be horizontally aligned with the '0' scale marking of the glass linear scale.
4. And finally, according to the calibration requirements for the indication error of the reading microscope in the calibration procedure, rotating the drum wheel of the reading microscope to corresponding scales, and obtaining the indication error of the reading microscope according to the actual difference between the rotated drum wheel value and the glass linear ruler.
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. Special calibrating installation of reading microscope, its characterized in that includes:
a clamping structure;
the upper end of the lifting structure is fixedly connected with the clamping structure;
the objective table comprises a bottom plate (1), a middle plate (3), a top plate (4) and a transparent round table (18), wherein the bottom plate (1) is fixedly connected with the lower end of a lifting structure, a transverse guide structure is arranged between the bottom plate (1) and the middle plate (3), a longitudinal guide structure is arranged between the middle plate (3) and the top plate (4), and the top plate (4) is connected with the transparent round table (18) in a rotating mode.
2. The calibrating apparatus special for the reading microscope according to claim 1, wherein the clamping structure comprises a first plate body (14) and a second plate body (13), a first notch for clamping the reading microscope is arranged in the middle of the first plate body (14), through holes are respectively arranged at two ends of the first plate body (14), one end of a sliding shaft (15) is arranged in each through hole in a penetrating manner, and the other end of the sliding shaft (15) is fixed at two ends of the second plate body (13); and a tension spring is sleeved on the sliding shaft (15), two ends of the tension spring are respectively connected with the first plate body (14) and the second plate body (13), and the second plate body (13) is fixed at the upper end of the lifting structure.
3. The calibrating apparatus special for the reading microscope according to claim 1, wherein the lateral guiding structure is a first ball screw, the first ball screw comprises a first screw rod, a first nut (2) and a first moving block, the bottom surface of the middle plate (3) is provided with a first groove, two pairs of side walls of the first groove are respectively and rotatably connected with two ends of the first screw rod, one end of the first screw rod is fixedly connected with the first nut (2), the first nut (2) is located outside the first groove, the middle part of the first screw rod is in threaded connection with the first moving block, and the first moving block is fixedly connected with the upper surface of the bottom plate (1).
4. The calibrating apparatus special for the reading microscope according to claim 1, wherein the longitudinal guiding structure is a second ball screw, the second ball screw comprises a second screw rod, a second nut (19) and a second moving block, the bottom surface of the top plate (4) is provided with a second groove, two pairs of side walls of the second groove are respectively and rotatably connected with two ends of the second screw rod, one end of the second screw rod is fixedly connected with the second nut (19), the second nut (19) is located outside the second groove, the middle part of the second screw rod is in threaded connection with the second moving block, and the second moving block is fixedly connected with the upper surface of the middle plate (3).
5. The calibrating device special for the reading microscope according to claim 2, wherein the lifting structure comprises an upright post (7), a rack (10), a gear, a slider (9), a support rod (12), a third nut (11) and a bolt (8), the upper surface of the bottom plate (1) is fixedly connected with the upright post (7), the side wall of the upright post (7) is fixedly connected with the rack (10), the rack (10) is meshed with the gear, the gear is rotatably connected to two opposite side walls of a sliding hole through a gear shaft, the sliding hole is formed in the slider (9) and penetrates through two end faces of the slider (9), the slider (9) is sleeved on the upright post (7) through the sliding hole, the slider (9) is fixedly connected with one end of the support rod (12), and the other end of the support rod (12) is fixedly connected with the second plate body (13); one end of the gear shaft penetrates through the side wall of the sliding block (9) and the end part of the gear shaft is fixedly connected with the third nut (11), a threaded hole is further formed in the sliding block (9), the threaded hole is in threaded connection with the bolt (8), and the end part of the bolt (8) is abutted to the upright post (7).
6. The calibrating device special for the reading microscope as claimed in claim 1, wherein the transparent circular truncated cone (18) is internally provided with an LED lamp set (17) as a luminous source, the LED lamp set (17) is electrically connected with a knob (21) for controlling the switch of the LED lamp set, and the knob (21) is arranged on the side wall of the top plate (4).
7. The calibrating apparatus special for the reading microscope according to claim 2, wherein the second plate body (13) is provided with a second notch, and the bottom surface of the second notch is a plane; the first notch is a V-shaped notch, and two side surfaces of the V-shaped notch and the bottom surface of the second notch are used as three surfaces for clamping the reading microscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111135645.2A CN113865828A (en) | 2021-09-27 | 2021-09-27 | Special calibrating device for reading microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111135645.2A CN113865828A (en) | 2021-09-27 | 2021-09-27 | Special calibrating device for reading microscope |
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| Publication Number | Publication Date |
|---|---|
| CN113865828A true CN113865828A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111135645.2A Pending CN113865828A (en) | 2021-09-27 | 2021-09-27 | Special calibrating device for reading microscope |
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| CN (1) | CN113865828A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050162642A1 (en) * | 2004-01-28 | 2005-07-28 | Kabushiki Kaisha Topcon | Lens meter |
| CN206990896U (en) * | 2017-08-07 | 2018-02-09 | 重庆赛奥光电有限公司 | One kind lifting microscope |
| CN209175582U (en) * | 2018-08-28 | 2019-07-30 | 泰州市显达精密机械有限公司 | A kind of microscope or so lens barrel fixture for processing |
| CN210441817U (en) * | 2019-06-26 | 2020-05-01 | 王德岭 | Reading microscope detection clamp |
| CN213017546U (en) * | 2020-06-30 | 2021-04-20 | 浙江中轨传动科技有限公司 | Ball screw |
-
2021
- 2021-09-27 CN CN202111135645.2A patent/CN113865828A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050162642A1 (en) * | 2004-01-28 | 2005-07-28 | Kabushiki Kaisha Topcon | Lens meter |
| CN206990896U (en) * | 2017-08-07 | 2018-02-09 | 重庆赛奥光电有限公司 | One kind lifting microscope |
| CN209175582U (en) * | 2018-08-28 | 2019-07-30 | 泰州市显达精密机械有限公司 | A kind of microscope or so lens barrel fixture for processing |
| CN210441817U (en) * | 2019-06-26 | 2020-05-01 | 王德岭 | Reading microscope detection clamp |
| CN213017546U (en) * | 2020-06-30 | 2021-04-20 | 浙江中轨传动科技有限公司 | Ball screw |
Non-Patent Citations (2)
| Title |
|---|
| 刘想德: "现代机械运动控制技术", 机械工业出版社, pages: 23 - 24 * |
| 刘震: "读数显微镜检定夹具的设计及示值误差分析", 质量技术监督研究, pages 6 - 8 * |
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