CN109596036A - A kind of glass sample right angle test device and its test method - Google Patents
A kind of glass sample right angle test device and its test method Download PDFInfo
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- CN109596036A CN109596036A CN201811456104.8A CN201811456104A CN109596036A CN 109596036 A CN109596036 A CN 109596036A CN 201811456104 A CN201811456104 A CN 201811456104A CN 109596036 A CN109596036 A CN 109596036A
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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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
- G01B5/0004—Supports
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- General Physics & Mathematics (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
本发明的名称为一种玻璃样品直角测试装置及其测试方法，主要用于光学玻璃折射率测试用直角样品的角度检测，对抛光及细磨样品都适用。具有简便、快速、准确测定直角样品角度偏差值的特点。本发明主要是解决现采用折射率样品角度测试方法，人为因素大，测试判定不准确的问题。它的主要特征是：该装置包括底座、活动支架、数显千分表、样品台、直角标准块五部分组成。活动支架可以上下移动，根据待测样品边长调整高度。通过数显千分表的读数，简便、准确测定样品角度偏差值。样品台可在水平面两垂直方向前后移动，实现样品不同位置的角度测试。
The name of the invention is a glass sample right-angle testing device and its testing method, which are mainly used for angle detection of right-angle samples for optical glass refractive index testing, and are applicable to both polished and finely ground samples. It has the characteristics of simple, rapid and accurate determination of the angle deviation value of right-angle samples. The present invention mainly solves the problems of inaccurate test determination due to large human factors and inaccurate test determination in the current method for measuring the angle of the refractive index sample. Its main features are: the device includes a base, a movable bracket, a digital dial indicator, a sample stage, and a right-angle standard block. The movable stand can be moved up and down, and the height can be adjusted according to the side length of the sample to be tested. Through the reading of the digital dial indicator, the angle deviation value of the sample can be easily and accurately determined. The sample stage can be moved back and forth in two vertical directions on the horizontal plane to realize angle testing of different positions of the sample.
Description
Technical field
The invention belongs to sample angle the field of test technology, and in particular to a kind of glass sample right angle test device and its survey
Method for testing, be mainly used for optical glass refractive index test in right angle sample angle detection, can quickly, accurately determine glass
The angu-lar deviation at sample right angle, so that the accurate test for the glass sample refractive index provides reliable guarantee.
Background technique
In recent years, with the development of modern photoelectric technology, client is the imaging for pursuing high quality, to optical material refractive index
Measuring accuracy require it is higher and higher, and to the international refraction index test method of optical glass product be right-angle prism test
Method, national standard GB/T7962.1-2010 " colouless optical glass test method part 1 refractive index and abbe numbers " are to the method
Dictate, for the measuring accuracy for guaranteeing refractive index, test sample is processed into: the cube of side length 15mm has no less than one
Other solids at a accurate right angle.As sample refractive index nd≤1.70, two light pass surfaces with W14 diamond dust fine grinding it is in 90 ° ±
1 ' right angle；As nd > 1.70, two light pass surfaces should be polished, the right angle of two light pass surface structures ± 30 " in 90 °.Now generally use knife
Bicker ruler detects sample right angle, human eye under incandescent lamp, observe between light pass surface and knife edge angle square whether light leakage, according to
The size of light slit gap determines whether sample angle is qualified.Although such angle determination method is easy, quick, human factor is too
Greatly, accuracy is lower, has been unable to meet the high precision measurement demand of present refractive index, because of a kind of optical glass right angle of the invention angle
Degree test device and its test method are just very necessary.
Summary of the invention
The purpose of the present invention is to above-mentioned shortcoming, a kind of suitable optical glass refractive index sample test is provided
Right angle test device and its test method are all suitable for polishing and fine grinding sample, can it is easy, fast and accurately measure
The angle of right angle sample provides a strong guarantee for the refractive index high precision measurement of such sample.
The technical solution of test device of the present invention is: a kind of glass sample right angle test device, it is characterised in that: packet
Include pedestal, movable support, digital display dial gauge, sample stage, five part of right angle calibrated bolck；The pedestal includes its medial surface and level
The vertical left side stabilizer blade of work top；The sample stage includes upper sample stage and lower sample stage, upper sample stage and lower sample stage it
Between, being equipped between lower sample stage and horizontal countertop can make sample stage opposing left stabilizer blade medial surface make left and right, front and back moves
Dynamic control mechanism, the side of adjacent left-hand stabilizer blade medial surface is equipped with the plectane of band rotation and positioning mechanism on upper sample stage, justifies
The upper plane of plate is equipped with sample locking device；The upper plane of the plectane is lower than the top surface of left side stabilizer blade medial surface, left side branch
The part that foot top is higher than upper sample stage forms baffle；The movable support is mounted on chassis left side stabilizer blade by assembling item,
Movable support is equipped with the idler wheel with the groove item cooperation on assembly item；The digital display dial gauge is mounted on the upper of movable support
Portion.
Scale, activity are equipped with along short transverse on left side stabilizer blade described in the technical solution of test device of the present invention
Bracket is equipped with the reading pointer cooperated with scale.
Control mechanism described in the technical solution of test device of the present invention includes being arranged in upper sample stage and lower sample
The groove between lower sample stage and pedestal horizontal countertop is arranged in groove item between sample platform and the screw rod with top knob
Item and screw rod with lower part knob, the screw rod with top knob, the screw rod with lower part the knob medial surface with left side stabilizer blade respectively
Vertically, in parallel.
Sample locking device described in the technical solution of test device of the present invention includes two pieces opposite in vertical side
To the fixation plate of setting, one of fixed plate is fixedly mounted on plectane, and another piece of fixed plate passes through mobile chute
And fixing bolt is mounted on plectane.
Left side stabilizer blade and movable support described in the technical solution of test device of the present invention are cuboid；It is described
Digital display dial gauge is mounted in the positioning round orifice on movable support top；The reading pointer, idler wheel are located at movable support
Middle part and lower part.
Scale described in the technical solution of test device of the present invention is the scale that scale division value is 1mm.
The height of left side stabilizer blade described in the technical solution of test device of the present invention is higher than plane 2mm on plectane.
The scale division value of digital display dial gauge described in the technical solution of test device of the present invention is 0.001mm；It is described
The angle value of right angle calibrated bolck is 90 ° ± 2 ".
The technical solution of test method of the present invention is: a kind of glass sample right angle test method, it is characterised in that packet
Include following steps: firstly, determining the zero-bit of digital display dial gauge using right angle calibrated bolck；Then, by the work face paste of sample to be tested one
It is tightly locked in plectane plane, another working face of sample to be tested is made to be close to baffle, plectane is locked by rotation and positioning mechanism；Again
Then, swing roller faces digital display dial gauge at the top of sample to be tested；Followed by keeping sample to be tested parallel by control mechanism
In baffle (8) direction, level is moved left and right, and records reading x1, x2, x3 ... of digital display dial gauge；Finally, by reading x1, x2,
X3 ... is compared with the reading maximum permissible value for deciding through consultation sample to be tested qualification, and reading x1, x2, x3 ... is in reading maximum permissible value
It is qualified to determine in range, otherwise unqualified.
The technical solution of test method of the present invention may also is that a kind of glass sample right angle test method, feature
Be the following steps are included:
Firstly, two working faces of right angle calibrated bolck are adjacent on plectane and baffle respectively and are locked, digital display dial gauge is adjusted
So that its probe vertical is contacted right angle calibrated bolck working face, when digital display dial gauge reading is between 100~200, locks digital display thousand
Divide table, and digital display dial gauge reading is returned to zero, as null positions, the corresponding angle value of zero-bit is 90 °；
Then, one working face of sample to be tested is adjacent to and is locked in plectane plane, armature and control mechanism make sample to be tested
Another working face is close to baffle, locks plectane by rotation and positioning mechanism；
Followed by swing roller faces reading pointer at scale indicating value corresponding to sample to be tested side length；
Followed by making sample to be tested be parallel to baffle direction level by control mechanism and move left and right, record digital display dial gauge
Read x1, x2, x3 ...；
Finally, reading x1, x2, x3 ... is compared with the reading maximum permissible value for deciding through consultation sample to be tested qualification, reading x1,
X2, x3 ... are then determined as qualification in the range between positive and negative reading maximum permissible value, are otherwise unqualified.
Optical glass right angle test device of the invention, by pedestal, movable support, digital display dial gauge, sample stage, straight
Five part of angle calibrated bolck composition, obtains the angle-data of sample to be tested by the reading of digital display dial gauge.Specific test method is:
Calibrated bolck one working face in right angle is adjacent to and is locked in plectane plane, specimen rotating holder lower part knob and plectane make right angle standard
Another working face of block is close to baffle, locks plectane at this time.Adjust anteroposterior position of the digital display dial gauge in movable support positioning round orifice
It sets, its probe vertical is made to contact one working face of right angle calibrated bolck, make digital display dial gauge reading between 100~200, at this time
Digital display dial gauge is locked, digital display dial gauge reading is returned to zero, as null positions, the corresponding angle value of zero-bit is 90 °.It removes
Sample to be tested is close to baffle locking by right angle calibrated bolck, and swing roller connects the probe of digital display dial gauge with sample to be tested top
The position of rule of touching, reading pointer instruction is the side length of sample working face.According to the side length of sample to be tested working face and its most
Wide-angle controlling value calculates the reading maximum value of digital display dial gauge, this value is calculated as max.Difference can be made for convenience of operation
Length and the corresponding max table of different angle controlling value, test, which need to only table look-up just, later can be obtained max value.Specimen rotating holder top
Knob is moved forward and backward sample to be tested, records reading x1, x2, x3 ... of digital display dial gauge, if these readings are said between ± max
Bright sample to be tested angle is met the requirements；If the reading of amesdial is greater than max, sample to be tested angle is greater than maximum controlling value at this time；
If reading is less than negative max, sample to be tested angle is less than minimum controlling value at this time.The reading of digital display dial gauge can be used as sample to be tested
Reprocess foundation.Easy it can determine whether sample to be tested angle meets the requirements according to above method, accuracy determines big compared to human eye
It is big to improve, and data support is provided to sample need to be reprocessed.In addition the fluctuation range that we can read from digital display dial gauge, sentences
The face form quality amount of disconnected sample working face, the reference frame for whether needing to adjust as sample processing tool and equipment.
Beneficial effects of the present invention: the optical glass right angle test device and test method overcome existing using dress
Set and method in deficiency.Equipment operation is simple, and test jobs are easy, quick, and milling and polishing sample are all suitable for.Sample
Angle determines that accuracy is high, lays a solid foundation for the high precision measurement of sample refractive index.Digital display dial gauge reading may be used also
It is reprocessed for sample and data support is provided.Fluctuation range is read furthermore with digital display dial gauge, can determine whether the face shape of sample working face
Quality, the reference frame for whether needing to adjust as sample processing tool and equipment.
Detailed description of the invention
Fig. 1 is optical glass right angle test device schematic diagram.
In figure: 1. left side stabilizer blades；2. idler wheel；3. reading pointer；4. scale；5. digital display dial gauge；6. activity branch
Frame；7. positioning round orifice；8. baffle；9. sample locking device；10. plectane；11. sample stage；12. top knob；Under 13.
Portion's knob.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Optical glass right angle test device of the invention is as shown in Figure 1, mainly by pedestal, movable support 6, digital display thousand
Divide table 5, sample stage 11, five part of right angle calibrated bolck composition.
The high 2mm of height of 1 height of left side stabilizer blade of pedestal and 11 highest point of sample stage, the raised area is as baffle 8；
It is the scale 4 of 1mm that, which there is scale division value in stabilizer blade 1 front in left side, and there are one and the matched assembly item of movable support 6 in side, assemble in item
Between have a groove item.
There are idler wheel 2, reading pointer 3, positioning round orifice 7 on movable support 6.Idler wheel 2 is located at 6 bottom of movable support, can be 360 °
It rotates, has in the middle part of idler wheel 2 and be located at 6 middle part of movable support with the matched groove of groove item, reading pointer 3, positioning round orifice 7, which is located at, lives
Dynamic 6 top of bracket.Digital display dial gauge 5 is fixed on movable support 6 by positioning round orifice 7.Swing roller 2, about 6 movable support
Mobile, the probe of digital display dial gauge 5 is vertical with plane locating for baffle 8 always in moving process.It is indicated by reading pointer 3
4 position of scale can read the side length of sample working face.
The scale division value of digital display dial gauge 5 is 0.001mm, is fixed on movable support 6 by positioning round orifice 7.In its range
Any position in range can return to zero operation to reading, facilitate test.Its connects vertical with the working face of sample to be tested of popping one's head in
Touching, obtains corresponding sample to be tested angle-data by the reading on its dial plate.It also can be using the reading of digital display dial gauge 5 as not
Qualified samples reprocess dimension data, provide help for sample processing.
Sample stage 11 is made of upper sample stage, lower sample stage two parts, and upper sample stage and lower sample stage have band knob respectively
Screw rod.Lower sample stage is assembled together by the groove on screw rod with groove item on pedestal horizontal plane is fixed on, and rotation is passed through
Lower part knob 13 can make sample stage 11 in the direction back-and-forth motion perpendicular to baffle 8.Upper sample stage by groove on screw rod with
It is fixed on groove item in lower horizontal surface to be assembled together, by rotating top knob 12, sample stage 11 can be made to be parallel to gear
The direction of plate 8 moves left and right.There is one can rotate horizontally close to 8 side of baffle among the upper sample stage horizontal plane of sample stage 11
Plectane 10,10 center of plectane are positioned by being fixed on the bearing of upper sample stage, rotate horizontally plectane 10 can.10 plane of plectane with
8 plane of baffle is vertical.There is sample locking device 9 on plectane 10, sample locking device 9 includes two pieces and sets relatively in vertical direction
The fixation plate set, one of fixed plate are fixedly mounted on plectane 10, another piece of fixed plate by mobile chute and
Fixing bolt is mounted on plectane 10, and one working face of sample is adjacent to and is locked in 10 plane of plectane, pivot bottom knob 13 makes
Another working face of sample ajusts sample close to baffle, armature 10, so that another working face of sample is close to baffle 8, locks at this time
Determine plectane 10, realizes the accurate positionin of sample.11 top knob 12 of specimen rotating holder, sample is relative to 8 parallel direction water of baffle
It is flat to be moved forward and backward, the face form quality amount of sample working face can be understood by the fluctuation range that digital display dial gauge 5 is read.
Calibrated bolck its angle value in right angle is 90 ° ± 2 ", main function is to debug the digital display thousand as datum plane and divide
The position of table 5 obtains suitable null positions.
The testing procedure of sample to be tested angle is:
1, calibrated bolck one working face in right angle is adjacent to and is locked in 10 plane of plectane, 11 lower part knob 13 of specimen rotating holder and plectane
10, so that calibrated bolck another working face in right angle is close to baffle, locks plectane 10 at this time.Digital display dial gauge 5 is adjusted to push up in movable support 6
Front-rear position in portion's positioning round orifice 7 makes its probe vertical contact right angle calibrated bolck working face.When the reading of digital display dial gauge 5 exists
When between 100~200, digital display dial gauge 5 is locked, the probe of digital display dial gauge 5 and the line and 10 plane of plectane of baffle 8 hang down at this time
Directly, the reading of digital display dial gauge 5 is returned to zero, as null positions, the corresponding angle value of zero-bit is 90 °.
2, it tables look-up and 1 show that (with sample working face side length for 15mm, 90 ° ± 1 ' of angle control range is corresponding max value
Example, value=4.4 max).
3, one working face of sample to be tested is adjacent to and is locked in 10 plane of plectane, armature 10 and lower part knob 13 make
Another working face of sample is close to baffle 8, locks plectane 10 at this time.
5, swing roller 2 faces reading pointer 3 at the 15mm of scale 4.
6,11 top knob 12 of specimen rotating holder is moved forward and backward sample to be tested vertical direction, record digital display dial gauge 5
Read x1, x2, x3 ....
7, further, if these readings illustrate that sample to be tested angle is met the requirements between -4.4~4.4.
8, further, if the reading of amesdial is greater than 4.4, sample to be tested angle is greater than 90 ° 1 ' at this time, this reading can be used as
Sample to be tested reprocesses foundation.
9, further, if the reading of amesdial is less than -4.4, less than 89 ° 59 ', this reading can be done sample to be tested angle at this time
Foundation is reprocessed for sample to be tested.
Table 1: sample length and amesdial allow the range of readings table of comparisons
In table, the totally 21 sample to be tested angle control ranges for listing sample to be tested side length difference 10-30 mm correspond to amesdial
Reading maximum permissible value max, wherein one group is angle control range 90 ° ± 30, " corresponding amesdial reads maximum permissible value
Max, another group is the reading of amesdial corresponding to 90 ° of ± 1 ' max of angle control range maximum permissible value max.
90 ° ± 30 " calculation formula of max value is as follows:
Max value=TAN (30 ") × d × 1000
In formula: d sample length, mm.
Claims (10)
1. a kind of glass sample right angle test device, it is characterised in that: including pedestal, movable support (6), digital display dial gauge (5),
Five part of sample stage (11) and right angle calibrated bolck；The pedestal includes its medial surface left side stabilizer blade vertical with horizontal countertop
(1)；The sample stage (11) includes upper sample stage and lower sample stage, between upper sample stage and lower sample stage, lower sample stage and water
The control mechanism that sample stage opposing left stabilizer blade (1) medial surface can be made to make left and right, be moved forward and backward is equipped between flat work top,
The side of adjacent left-hand stabilizer blade (1) medial surface is equipped with the plectane (10) with rotation and positioning mechanism, plectane (10) on upper sample stage
Upper plane be equipped with sample locking device (9)；The upper plane of the plectane (10) is lower than the top of left side stabilizer blade (1) medial surface
Face, the part that stabilizer blade (1) top in left side is higher than upper sample stage form baffle (8)；The movable support (6) passes through assembly item installation
On left side stabilizer blade (1), movable support (6) is equipped with the idler wheel (2) with the groove item cooperation on assembly item；The digital display thousand divides
Table (5) is mounted on the top of movable support (6).
2. a kind of glass sample right angle test device according to claim 1, it is characterised in that: the left side stabilizer blade
(1) scale (4) are equipped with along short transverse on, movable support (6) is equipped with the reading pointer (3) cooperated with scale (4).
3. a kind of glass sample right angle test device according to claim 1 or 2, it is characterised in that: the control mechanism
Screw rod including the groove item being arranged between upper sample stage and lower sample stage and with top knob (12) is arranged in lower sample stage
Groove item between pedestal horizontal countertop and the screw rod with lower part knob (13), screw rod, band with top knob (12)
The screw rod of lower part knob (13) is vertical, parallel with the medial surface of left side stabilizer blade (1) respectively.
4. a kind of glass sample right angle test device according to claim 1 or 2, it is characterised in that: the sample lock
Tight device (9) includes two pieces of opposite fixation plates in vertical direction setting, and one of fixed plate is fixedly mounted on plectane
(10) on, another piece of fixed plate is mounted on plectane (10) by mobile chute and fixing bolt.
5. a kind of glass sample right angle test device according to claim 2, it is characterised in that: the left side stabilizer blade
(1) and movable support (6) is cuboid；The digital display dial gauge (5) is mounted on the positioning round orifice on movable support (6) top
(7) in；Reading pointer (3), idler wheel (2) are located at the middle part and lower part of movable support (6).
6. a kind of glass sample right angle test device according to claim 2, it is characterised in that: the scale (4) is
Scale division value is the scale of 1mm.
7. a kind of glass sample right angle test device according to claim 1 or 2, it is characterised in that: the left side stabilizer blade
(1) height is higher than plane 2mm on plectane (10).
8. a kind of glass sample right angle test device according to claim 1 or 2, it is characterised in that: the digital display thousand
The scale division value for dividing table (5) is 0.001mm；The angle value of the right angle calibrated bolck is 90 ° ± 2 ".
9. a kind of glass sample right angle using the test device of any glass sample right angle described in claim 1-8 is tested
Method, it is characterised in that the following steps are included: firstly, determining the zero-bit of digital display dial gauge (5) using right angle calibrated bolck；Then,
One working face of sample to be tested is adjacent to and is locked in plectane (10) plane, so that another working face of sample to be tested is close to baffle (8), leads to
Cross rotation and positioning mechanism locking plectane (10)；Followed by swing roller (2) makes digital display dial gauge (5) face sample to be tested
Top；Followed by, so that sample to be tested is parallel to baffle (8) direction level by control mechanism and move left and right, record digital display thousand divide
Reading x1, x2, x3 ... of table；Finally, by reading x1, x2, x3 ... and the reading maximum permissible value for deciding through consultation sample to be tested qualification
(max) it is compared, it is qualified that reading x1, x2, x3 ... determines in reading maximum permissible value (max) range, otherwise unqualified.
10. glass sample right angle according to claim 9 test method, it is characterised in that the following steps are included:
Firstly, two working faces of right angle calibrated bolck are adjacent on plectane (10) and baffle (8) respectively and are locked, digital display is adjusted
Amesdial (5) makes its probe vertical contact right angle calibrated bolck working face, when digital display dial gauge (5) reading is between 100~200
When, it locks digital display dial gauge (5), and digital display dial gauge (5) reading is returned to zero, as null positions, the corresponding angle value of zero-bit
It is 90 °；
Then, one working face of sample to be tested is adjacent to and is locked in plectane (10) plane, armature (10) and control mechanism make
Another working face of sample to be tested is close to baffle (8), passes through rotation and positioning mechanism locking plectane (10)；
Followed by swing roller (2) faces reading pointer (3) at scale corresponding to sample to be tested side length (4) indicating value；
Followed by, so that sample to be tested is parallel to baffle (8) direction level by control mechanism and moves left and right, record digital display dial gauge
(5) reading x1, x2, x3 ...；
Finally, reading x1, x2, x3 ... is compared with the reading maximum permissible value (max) for deciding through consultation sample to be tested qualification, read
Number x1, x2, x3 ... are then determined as qualification, are otherwise unqualified in the range between positive and negative reading maximum permissible value (max).
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| CN110806164A (en) * | 2019-09-18 | 2020-02-18 | 湖北新华光信息材料有限公司 | A device and method for detecting the angle of a small-sized sample block |
| CN113483621A (en) * | 2021-06-06 | 2021-10-08 | 中国长江电力股份有限公司 | Device and method for accurately adjusting mechanical over-speed flying motion value of hydroelectric generating set |
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