CN103528557A - High-precision sphere diameter measuring instrument - Google Patents
High-precision sphere diameter measuring instrument Download PDFInfo
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- CN103528557A CN103528557A CN201310460721.6A CN201310460721A CN103528557A CN 103528557 A CN103528557 A CN 103528557A CN 201310460721 A CN201310460721 A CN 201310460721A CN 103528557 A CN103528557 A CN 103528557A
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- measuring instrument
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- sphere diameter
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Abstract
The invention relates to a high-precision sphere diameter measuring instrument, which comprises a pulling-up device, a display device, a balance weight device and a measuring device, wherein the pulling-up device comprises clamp forceps, a vertical plate, a pulling plate, a screw rod and a connecting post, the balance weight device comprises a guide rail, a middle plate and a press block, the measuring device comprises a measuring head, a guide sleeve, a clamp seat and a sensor, the display device is used for displaying measuring results, the clamp forceps for towing the balance weight device are arranged on the pulling plate, the lower parts of the clamp forceps are connected with the screw rod passing through a middle through hole of the pulling plate, the connecting post is connected with a connecting screw rod through a screw nut and is connected with the upper part of the middle plate, the middle plate is towed to slide along the guide rail through the clamp forceps, the bottom of the vertical plate is fixedly arranged on the table top, and the top of the vertical plate fixedly supports the pull plate. The high-precision sphere diameter measuring instrument has the advantages that a display system, the balance weight device and a combined measuring head for sphere diameter measurement are organically combined, the requirements on the sizes of the measuring head, a standard workpiece and a guide sleeve as well as the matching relationship among the measuring head, the standard workpiece and the guide sleeve are extremely high, and the compact structure and the high precision of the whole sphere diameter measuring device are ensured.
Description
Technical field
The present invention relates to a kind of measuring instrument, particularly a kind of high-accuracy sphere diameter gauge, belongs to aerospace navigation application.
Background technology
Gyroscope and accelerometer are the critical components in the navigational system of satellite and rocket, wherein in gyroscope and accelerometer the critical component of used sphere diameter structure gyroscope and accelerometer, therefore the precision of sphere diameter structural member has directly determined the precision of gyroscope and accelerometer, in the production run of certain model Navsat, high especially to sphere diameter accuracy requirement, while making to measure sphere diameter due to equipment self accuracy limitations while adopting traditional three-coordinates measuring machine or spherometer to measure, there is very large difficulty.Under current this state, when in the face of the very high sphere diameter of accuracy requirement, adopt traditional three-coordinates measuring machine and spherometer helpless.Therefore, the utmost point is necessary to develop a kind of special measurement mechanism for this type of high precision sphere diameter, to realize the Measurement accuracy of high-accuracy sphere diameter.
Summary of the invention
Technical matters to be solved by this invention is: for overcoming the deficiencies in the prior art, a kind of high-precise ball cable diameter gauge is provided, spherical diameter measurement sensor and gauge head are combined into one, by the variable quantity between tested sphere diameter part and standard sphere diameter, complete the indirect measurement to ball part.
Technical solution of the present invention is:
A ball neck measuring instrument, comprises heaving mechanism, display device, counter weight device and measurement mechanism;
Heaving mechanism comprises clamp, riser, arm-tie, screw rod, joint pin; Counter weight device comprises guide rail, middle plate and briquetting; Measurement mechanism comprises gauge head, guide pin bushing, deck and sensor; Display device is for display measurement result;
The clamp that wherein draws counter weight device is arranged on arm-tie, clamp bottom is connected with the screw rod through arm-tie intermediate throughholes, joint pin is connected with connecting screw rod by nut, joint pin connecting middle plate top by clamp, draw in plate along guide rail, slide, riser bottom is fixed on table top, riser top fixed support arm-tie;
Guide rail is fixed on riser, and briquetting is fixedly connected with middle plate, and briquetting provides constant force value to measured workpiece and standard workpiece in spherical diameter measurement process;
For placing the standard workpiece of measuring basis parameter value and the guide pin bushing that is provided with hollow round tube hole of measured workpiece, be fixed on the table top under briquetting, the deck of hollow is positioned at table top below and passes table top and guide pin bushing coaxial cooperation, deck inner bottom part is provided with stage clip, gauge head is positioned on the stage clip of deck inside, and deck outer bottom is provided with the sensor contacting with stage clip.
Display device comprises display and PLC processor; PLC processor is connected with sensor and display by data line.
Gauge head is stretched out by the hollow round hole of guide pin bushing.
Between joint pin and screw rod, there is 1-5mm gap, guarantee that counter weight device is not subject to clamp interference effect.
Standard workpiece bottom ball is bowl-shape, gauge head top cylindrical sharp edge and manufacturing with standard workpiece bottom ball bowl, and gauge head and standard workpiece gap are in 0.005mm; Measured workpiece bottom is that ball is bowl-shape.
Cylindrical sharp edge Qie Tongqiuwan center, guide pin bushing top is coaxial, and axle deviation is in 0.005mm.
The present invention's advantage is compared with prior art:
(1) counterweight of the present invention provides constant force value to tested part and standardized element in spherical diameter measurement process, has eliminated in measuring process because pressure changes the stochastic error causing.
(2) the present invention organically combines combination gauge head, counter weight device and the display system of spherical diameter measurement, to the size of gauge head, standard workpiece and guide pin bushing and between matching relationship require high, make more than the precision of measurement mechanism self reaches 0.25 μ m, guarantee that whole spherical diameter measurement apparatus structure is compact, precision is high.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is side view of the present invention;
Fig. 3 is vertical view of the present invention;
Fig. 4 is the present invention's probe location schematic diagram while working;
Fig. 5 is stereographic map of the present invention;
Wherein: 1-clamp; 2-arm-tie; 3-screw rod; 4-joint pin; 5-nut; 6-riser; 7-table top; 8-guide rail; Plate in 9-; 10-briquetting; 11-gauge head; 12-guide pin bushing; 13-measuring staff; 14-sensor; 15-display.
Embodiment
As Figure 1-5, a kind of high-accuracy ball neck measuring instrument, comprises heaving mechanism, display device 15, counter weight device and measurement mechanism.
Heaving mechanism comprises clamp 1, riser 6, arm-tie 2, screw rod 3, joint pin 4; Counter weight device comprises guide rail 8, middle plate 9 and briquetting 10; Measurement mechanism comprises gauge head 11, guide pin bushing 12, deck 13 and sensor 14; Display device 15 is for display measurement result.
The clamp 1 that wherein draws counter weight device is arranged on arm-tie 2, clamp 1 bottom is connected with the screw rod 3 through arm-tie 2 intermediate throughholes, joint pin 4 is connected with connecting screw rod 3 by nut 5, slide along guide rail 8 by plate 9 in clamp 1 traction in joint pin 4 connecting middle plate 9 tops, riser 6 bottoms are fixed on table top 7, riser 6 top fixed support arm-ties 2.
For placing the standard workpiece of measuring basis parameter value and the guide pin bushing that is provided with hollow round tube hole 12 of measured workpiece, be fixed on the table top 7 under briquetting 10, the deck 13 of hollow is positioned at table top 7 belows and passes table top 7 and guide pin bushing 12 coaxial cooperation, deck 13 inner bottom parts are provided with stage clip, gauge head 11 is positioned on the stage clip of deck 13 inside, deck 13 outer bottoms are provided with the sensor 14 contacting with stage clip, the subtle change of gauge head 11 inductions measuring workpieces sphere diameter size is also conducted signal to sensor 14 by stage clip, by the data of PLC processor, calculate and the final difference that shows measured workpiece and standard workpiece sphere diameter on display of conversion, the final numerical value that demonstrates tested sphere diameter on display.
Gauge head stretches out the hollow round hole of guide pin bushing 12, probe part is contacted with workpiece, briquetting by constant mass is pressed on workpiece, and the object that adopts the briquetting of constant-quality is to keep repeatedly in measuring process gauge head identical with the pressure between workpiece, eliminates because pressure does not wait the measuring error causing.
Between joint pin 4 and screw rod 3, there is 1-5mm gap, guarantee that counter weight device is not subject to clamp 1 interference effect.
As shown in Figure 4, standard workpiece bottom ball is bowl-shape, gauge head 11 top cylindrical sharp edges and manufacturing with standard workpiece bottom ball bowl, gauge head 11 with standard workpiece gap in 0.005mm; Measured workpiece bottom is that ball is bowl-shape.
Guide pin bushing 12 cylindrical sharp edge Qie Tongqiuwan centers, top are coaxial, and axle deviation is in 0.005mm.
As shown in Figure 1, the measuring method of high-accuracy ball neck measuring instrument is: adopt the principle of difference measurement, measure the sphere diameter of tested ball by the difference between measured workpiece and standard workpiece, the precision of measurement is 0.25 μ m; Concrete grammar is for being successively put into guide pin bushing (12) for twice above by standard workpiece and measured workpiece, and clamp (1) guiding briquetting (10) provides constant pressure to measured workpiece and standard workpiece; Gauge head (11) is first measured standard workpiece, completes the zeroing setting to sensor (14); Gauge head (11) is measured measured workpiece afterwards, to measure numerical value and by sensor (14), be transferred to the difference of processing the twice measurement gained in front and back in PCL processor, and the data of finishing dealing with are presented on display, complete the measurement to measured workpiece size.
The unexposed technology of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (6)
1. a high-accuracy ball neck measuring instrument, is characterized in that: comprise heaving mechanism, display device (15), counter weight device and measurement mechanism;
Heaving mechanism comprises clamp (1), riser (6), arm-tie (2), screw rod (3), joint pin (4); Counter weight device comprises guide rail (8), middle plate (9) and briquetting (10); Measurement mechanism comprises gauge head (11), guide pin bushing (12), deck (13) and sensor (14); Display device (15) is for display measurement result;
The clamp (1) that wherein draws counter weight device is arranged on arm-tie (2), clamp (1) bottom is connected with the screw rod (3) through arm-tie (2) intermediate throughholes, joint pin (4) is connected with connecting screw rod (3) by nut (5), slide along guide rail (8) by plate (9) in clamp (1) traction in joint pin (4) connecting middle plate (9) top, it is upper that table top (7) is fixed in riser (6) bottom, riser (6) top fixed support arm-tie (2);
It is upper that guide rail (8) is fixed on riser (6), and briquetting (10) is fixedly connected with middle plate (9), and briquetting (10) provides constant force value to measured workpiece and standard workpiece in spherical diameter measurement process;
For placing the standard workpiece of measuring basis parameter value and the guide pin bushing that is provided with hollow round tube hole (12) of measured workpiece, be fixed on the table top (7) under briquetting (10), the deck of hollow (13) is positioned at table top (7) below and passes table top (7) and guide pin bushing (12) coaxial cooperation, deck (13) inner bottom part is provided with stage clip, gauge head (11) is positioned on the inner stage clip of deck (13), and deck (13) outer bottom is provided with the sensor (14) contacting with stage clip.
2. a kind of high-accuracy ball neck measuring instrument according to claim 1, is characterized in that: display device (15) comprises display and PLC processor; PLC processor is connected with sensor (14) and display by data line.
3. a kind of high-accuracy ball neck measuring instrument according to claim 1, is characterized in that: gauge head is stretched out by the hollow round hole of guide pin bushing (12).
4. a kind of high-accuracy ball neck measuring instrument according to claim 1, is characterized in that: between joint pin (4) and screw rod (3), have 1-5mm gap, guarantee that counter weight device is not subject to clamp (1) interference effect.
5. a kind of high-accuracy ball neck measuring instrument according to claim 1, is characterized in that: standard workpiece bottom ball is bowl-shape, gauge head (11) top cylindrical sharp edge and manufacturing with standard workpiece bottom ball bowl, gauge head (11) with standard workpiece gap in 0.005mm; Measured workpiece bottom is that ball is bowl-shape.
6. high-accuracy ball neck measuring instrument according to claim 1, is characterized in that: cylindrical sharp edge Qie Tongqiuwan center, guide pin bushing (12) top is coaxial, and axle deviation is in 0.005mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310460721.6A CN103528557B (en) | 2013-09-30 | 2013-09-30 | A kind of high-accuracy sphere diameter gauge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310460721.6A CN103528557B (en) | 2013-09-30 | 2013-09-30 | A kind of high-accuracy sphere diameter gauge |
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| Publication Number | Publication Date |
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| CN103528557A true CN103528557A (en) | 2014-01-22 |
| CN103528557B CN103528557B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310460721.6A Active CN103528557B (en) | 2013-09-30 | 2013-09-30 | A kind of high-accuracy sphere diameter gauge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091827A (en) * | 2015-04-29 | 2015-11-25 | 张家港海太精密量仪科技有限公司 | Sphere diameter measuring instrument |
| CN113108746A (en) * | 2021-04-15 | 2021-07-13 | 南通友腾自动化设备有限公司 | Automatic measuring device for ball diameter of steel ball |
Citations (5)
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| JPH03113304A (en) * | 1989-09-28 | 1991-05-14 | Pentel Kk | Method and device for noncontact shape measurement |
| CN2114155U (en) * | 1991-11-14 | 1992-08-26 | 开封轴承厂 | Bearing outer ball diameter measuring apparatus |
| US6314655B1 (en) * | 1999-12-02 | 2001-11-13 | United States Golf Association | Automatic ball sizing device |
| CN102353760A (en) * | 2011-03-22 | 2012-02-15 | 马鞍山钢铁股份有限公司 | On-site rapid detection method and apparatus for bentonite quality |
| CN202853592U (en) * | 2012-10-22 | 2013-04-03 | 无锡市迈日机器制造有限公司 | Alley minimum diameter flexible measuring and grouping measuring tool |
-
2013
- 2013-09-30 CN CN201310460721.6A patent/CN103528557B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03113304A (en) * | 1989-09-28 | 1991-05-14 | Pentel Kk | Method and device for noncontact shape measurement |
| CN2114155U (en) * | 1991-11-14 | 1992-08-26 | 开封轴承厂 | Bearing outer ball diameter measuring apparatus |
| US6314655B1 (en) * | 1999-12-02 | 2001-11-13 | United States Golf Association | Automatic ball sizing device |
| CN102353760A (en) * | 2011-03-22 | 2012-02-15 | 马鞍山钢铁股份有限公司 | On-site rapid detection method and apparatus for bentonite quality |
| CN202853592U (en) * | 2012-10-22 | 2013-04-03 | 无锡市迈日机器制造有限公司 | Alley minimum diameter flexible measuring and grouping measuring tool |
Non-Patent Citations (2)
| Title |
|---|
| 张耀辉等: "精密球径的在线测量", 《制造技术与机床》, no. 2, 28 February 1999 (1999-02-28) * |
| 陈祝: "一种微球球径测量的新方法", 《测试与校准》, vol. 26, no. 4, 30 April 2006 (2006-04-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091827A (en) * | 2015-04-29 | 2015-11-25 | 张家港海太精密量仪科技有限公司 | Sphere diameter measuring instrument |
| CN105091827B (en) * | 2015-04-29 | 2018-01-12 | 张家港海太精密量仪科技有限公司 | Diameter measuring instrument for sphere |
| CN113108746A (en) * | 2021-04-15 | 2021-07-13 | 南通友腾自动化设备有限公司 | Automatic measuring device for ball diameter of steel ball |
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| Publication number | Publication date |
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| CN103528557B (en) | 2016-02-10 |
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