CN115077342A - Outer diameter detection device and detection method thereof - Google Patents
Outer diameter detection device and detection method thereof Download PDFInfo
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- CN115077342A CN115077342A CN202210743210.4A CN202210743210A CN115077342A CN 115077342 A CN115077342 A CN 115077342A CN 202210743210 A CN202210743210 A CN 202210743210A CN 115077342 A CN115077342 A CN 115077342A
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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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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Abstract
本发明涉及一种检测装置，尤其是一种外径检测装置及其检测方法。一种外径检测装置，包括检测表，检测表包括千分表或百分表，还包括：检测架，检测架上设有检测槽，检测表安装在检测槽的一侧；侧面定位销，侧面定位销固定在检测槽的另一侧，且与检测表同轴线设置；及底部定位销，底部定位销固定在检测槽的底部；被测轴的外圆面分别与侧面定位销、底部定位销和检测表的检测杆接触，且侧面定位销的轴线与被测轴的轴线垂直相交，底部定位销的轴线与被测轴的轴线垂直相交。该装置通过外径标准规校准外径检测装置的尺寸，然后插到被测轴上快速测量被测轴的外径，并且检测的精度高、准确性好，并且能够检测多种规格的轴，检测范围广，通用性好。
The invention relates to a detection device, in particular to an outer diameter detection device and a detection method thereof. An outer diameter detection device includes a detection table, the detection table includes a dial indicator or a dial indicator, and further comprises: a detection frame, a detection groove is arranged on the detection frame, the detection table is installed on one side of the detection groove; a lateral positioning pin, The side locating pin is fixed on the other side of the detection slot, and is arranged coaxially with the detection table; and the bottom locating pin, which is fixed at the bottom of the detection slot; The positioning pin is in contact with the detection rod of the detection table, and the axis of the lateral positioning pin is perpendicular to the axis of the measured shaft, and the axis of the bottom positioning pin is perpendicular to the axis of the measured shaft. The device calibrates the size of the outer diameter detection device through the outer diameter standard gauge, and then inserts it into the shaft to be measured to quickly measure the outer diameter of the shaft to be measured. Wide detection range and good versatility.
Description
Technical Field
The invention relates to a detection device, in particular to an outer diameter detection device and a detection method thereof.
Background
The precision spindle of high-hardness and brittle material cutting equipment such as photovoltaic silicon crystals, sapphires, semiconductor silicon carbide and the like has the characteristics of high dimensional requirement precision, large size and high precision of the outer diameter of a sleeve of the spindle, the tolerance of the precision is generally in micron-scale precision, and how to quickly and accurately measure the size of the outer diameter of the sleeve in the production process is a problem to be solved urgently. The traditional detection method is to use an outside micrometer to detect, and has the following difficulties:
1. the center size of the product is difficult to position, and the inaccurate positioning in the diameter direction can cause larger deviation of the detection result;
2. the measurement speed is slow, and the rapid size detection is difficult to carry out.
Disclosure of Invention
In order to solve the problems, the invention provides an outer diameter detection device with accurate detection result, good accuracy and high detection speed, and the specific technical scheme is as follows:
the utility model provides an external diameter detection device, includes the detection table, the detection table includes amesdial or percentage table, still includes: the detection frame is provided with a detection groove, and the detection meter is arranged on one side of the detection groove; the side positioning pin is fixed on the other side of the detection groove and is arranged coaxially with the detection meter; the bottom positioning pin is fixed at the bottom of the detection groove; the outer circle surface of the measured shaft is respectively contacted with the side positioning pin, the bottom positioning pin and the detection rod of the detection meter, the axis of the side positioning pin is vertically intersected with the axis of the measured shaft, and the axis of the bottom positioning pin is vertically intersected with the axis of the measured shaft.
Preferably, the detection device further comprises an adjusting screw, wherein the adjusting screw is installed on the detection frame, is respectively arranged opposite to the side positioning pin, the bottom positioning pin and the detection meter, and is used for fixing the side positioning pin, the bottom positioning pin and the detection meter.
Preferably, the top of the side positioning pin and the top of the bottom positioning pin are arc-shaped.
An outer diameter detection method comprises the following steps:
inserting an outer diameter standard gauge with the same diameter as the measured shaft into a detection groove of the outer diameter detection device to calibrate the outer diameter detection device, enabling the axes of the side positioning pin and the detection meter to be vertically intersected with the axis of the outer diameter standard gauge, enabling the axis of the bottom positioning pin to be vertically intersected with the axis of the outer diameter standard gauge, adjusting a dial plate of the detection meter, and enabling the pointer to point to a zero position; the detection device comprises a detection frame, a side positioning pin, a bottom positioning pin, a dial indicator and a dial indicator, wherein the detection frame is provided with a detection groove, the side positioning pin and the detection indicator are respectively arranged on two sides of the detection groove and are arranged coaxially, the bottom positioning pin is arranged at the bottom of the detection groove, and the detection indicator comprises the dial indicator or the dial indicator;
the measured shaft is vertically placed on the detection platform, the detection groove is inserted into the measured shaft, the outer circular surface of the measured shaft is respectively contacted with the side positioning pin, the bottom positioning pin and the detection rod of the detection meter, the side positioning pin and the bottom positioning pin are tightly pressed on the measured shaft, and the detection data of the detection meter are read.
Preferably, the detection frame is placed on the equal-height blocks, the middle part and the top part of the detected shaft are respectively detected, and the detection data are read.
Preferably, the side positioning pin, the bottom positioning pin and the detection meter are fixed on the detection frame through adjusting screws.
Preferably, the top of the side positioning pin and the top of the bottom positioning pin are arc-shaped.
Compared with the prior art, the invention has the following beneficial effects:
the outer diameter detection device provided by the invention has the advantages that the size of the outer diameter detection device is calibrated through the outer diameter standard gauge, then the outer diameter detection device is inserted into a detected shaft to quickly measure the outer diameter of the detected shaft, the detection precision is high, the accuracy is good, shafts of various specifications can be detected, the detection range is wide, and the universality is good.
Drawings
FIG. 1 is a schematic view of an outer diameter measuring device calibrated using an outer diameter standard gauge;
FIG. 2 is a schematic view of an outer diameter detecting apparatus for detecting a shaft to be measured;
fig. 3 is a schematic diagram of a front table.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 3, the outer diameter detection device comprises a dial indicator, a detection frame 2, a side positioning pin 3, a bottom positioning pin 3 and an adjusting screw 4.
Wherein, be equipped with on the testing jig 2 and detect the groove, the both sides and the bottom of detecting the groove all are equipped with the through-hole, adjusting screw 4 installs on testing jig 2, and set up with three through-hole relatively respectively, and side locating pin 3 and front square meter are all installed in the through-hole of detecting the groove both sides, and the coaxial line sets up, and bottom locating pin 3 installs in the through-hole of detecting the tank bottom portion, and adjusting screw 4 fixed side locating pin 3, bottom locating pin 3 and amesdial, adjusting screw 4 can adjust the diameter that detects.
The tops of the side positioning pin 3 and the bottom positioning pin 3 are arc surfaces, and the arc surfaces can submit detection precision and avoid crushing a measured shaft.
When the measured shaft is a main shaft sleeve, the outer diameter is 256, and the tolerance is 0/-0.01.
When in detection, the precision of the detection is firstly used
According to the principle that a circle is determined by three points, the axes of the side positioning pin 3, the bottom positioning pin 3 and the dial indicator are standard detection positions when the axes are intersected with the axis of the outer diameter standard gauge 1, the axes of the side positioning pin 3 and the dial indicator are vertically intersected with the axis of the outer diameter standard gauge 1, and the axis of the bottom positioning pin 3 is vertically intersected with the axis of the outer diameter standard gauge 1. The outer diameter detection device is pushed into the outer diameter standard gauge 1 in the horizontal direction, the dial indicator swings left and right, and the pointer points to a zero position by adjusting the dial indicator. At this time, the outer diameter detection device completes calibration.
As shown in fig. 2, the measured shaft is vertically placed on the detection platform, then the outer diameter detection device is pushed into the detection groove, the outer diameter dimension of the measured shaft is measured, at this time, the dial indicator will change, as can be seen from fig. 3, the 6 th lattice that the pointer points to the left side is shown as-0.006 mm, and the product dimension is
The dimensions are within tolerances. Since the spindle sleeve is generally long, the outer diameter of the upper, middle, and lower three sections are usually measured to prevent the outer diameter from being deviated. Lower segment position measurement is measured as described above,and the middle section and the upper section are provided with equal-height blocks, the outer diameter detection device is placed on the equal-height blocks, and then the equal-height blocks are pushed into the outer diameter position of the shaft to be detected for measurement. When the sizes of the three positions are confirmed to be within the tolerance range, the product size can be judged to be qualified.
As shown in FIG. 3, the left side of the hands of the dial indicator is 0 to 100, which means-0.001 mm to-0.1 mm, and the right side is 0 to 100, which means +0.001mm to +0.1 mm.
Each outer diameter detection device can measure the outer diameter of a certain range of sizes, such as
The shaft of (a). If now the outer diameter is to be switched to
Sleeve of, use of
The outer diameter standard gauge 1 adjusts the positions of the side positioning pin 3, the bottom positioning pin 3 and the dial indicator through loosening three adjusting screws 4, and the outer diameter standard gauge 1 with 258 between the side positioning pin, the bottom positioning pin and the dial indicator is calibrated, after the calibration is completed, the locking screws are screwed, and therefore the outer diameter can be measured
The sleeve of (1).
Example two
As shown in fig. 1 to 3, an outer diameter detection method using the outer diameter detection apparatus of the first embodiment includes the following steps:
inserting an outer diameter standard gauge 1 with the same diameter as the measured shaft into a detection groove of the outer diameter detection device to calibrate the outer diameter detection device, enabling the axes of the side positioning pin 3 and the detection meter 5 to be vertically intersected with the axis of the outer diameter standard gauge 1, enabling the axis of the bottom positioning pin 3 to be vertically intersected with the axis of the outer diameter standard gauge 1, adjusting a dial plate of the detection meter 5, and enabling the pointer to point to a zero position;
vertically placing a measured shaft on a detection platform, inserting a detection groove on the measured shaft, respectively contacting the outer circular surface of the measured shaft with a side positioning pin 3, a bottom positioning pin 3 and a detection rod of a detection meter 5, pressing the side positioning pin 3 and the bottom positioning pin 3 on the measured shaft, and reading detection data of the detection meter 5;
the detection frame 2 is placed on the equal-height blocks, the middle part and the top part of the detected shaft are respectively detected, and detection data are read.
The technical principles of the present invention have been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210743210.4A CN115077342A (en) | 2022-06-28 | 2022-06-28 | Outer diameter detection device and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210743210.4A CN115077342A (en) | 2022-06-28 | 2022-06-28 | Outer diameter detection device and detection method thereof |
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| CN115077342A true CN115077342A (en) | 2022-09-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212805Y (en) * | 2008-06-20 | 2009-03-25 | 江苏飞船股份有限公司 | Stepped shaft double-journal checking fixture |
| CN203337061U (en) * | 2013-07-18 | 2013-12-11 | 福建龙生机械有限公司 | Thin-walled cylinder sleeve diameter and circularity rapid detection device |
| CN204421793U (en) * | 2015-03-06 | 2015-06-24 | 汉中米克隆工量具实业有限公司 | A kind of quantitative measurment calliper |
| CN107063048A (en) * | 2017-06-26 | 2017-08-18 | 江苏三能动力总成有限公司 | The method that piston group portion's size detection is detected with cubing and using the cubing |
| CN208458628U (en) * | 2018-08-03 | 2019-02-01 | 杭州杰途传动部件有限公司 | A kind of vehicle differential gear shell object table rank outer circle measurement special gauge |
| CN214892998U (en) * | 2021-04-16 | 2021-11-26 | 大连计量检测中心有限公司 | External diameter caliper gauge |
-
2022
- 2022-06-28 CN CN202210743210.4A patent/CN115077342A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212805Y (en) * | 2008-06-20 | 2009-03-25 | 江苏飞船股份有限公司 | Stepped shaft double-journal checking fixture |
| CN203337061U (en) * | 2013-07-18 | 2013-12-11 | 福建龙生机械有限公司 | Thin-walled cylinder sleeve diameter and circularity rapid detection device |
| CN204421793U (en) * | 2015-03-06 | 2015-06-24 | 汉中米克隆工量具实业有限公司 | A kind of quantitative measurment calliper |
| CN107063048A (en) * | 2017-06-26 | 2017-08-18 | 江苏三能动力总成有限公司 | The method that piston group portion's size detection is detected with cubing and using the cubing |
| CN208458628U (en) * | 2018-08-03 | 2019-02-01 | 杭州杰途传动部件有限公司 | A kind of vehicle differential gear shell object table rank outer circle measurement special gauge |
| CN214892998U (en) * | 2021-04-16 | 2021-11-26 | 大连计量检测中心有限公司 | External diameter caliper gauge |
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Application publication date: 20220920 |