CN201318937Y - High-precision article size measuring device - Google Patents

High-precision article size measuring device Download PDF

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Publication number
CN201318937Y
CN201318937Y CNU2008201442042U CN200820144204U CN201318937Y CN 201318937 Y CN201318937 Y CN 201318937Y CN U2008201442042 U CNU2008201442042 U CN U2008201442042U CN 200820144204 U CN200820144204 U CN 200820144204U CN 201318937 Y CN201318937 Y CN 201318937Y
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CN
China
Prior art keywords
datum plate
floating junction
fixed
falsework
contiguous block
Prior art date
Application number
CNU2008201442042U
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Chinese (zh)
Inventor
严若伟
何越明
杨华通
Original Assignee
天津力神电池股份有限公司
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Publication date
Application filed by 天津力神电池股份有限公司 filed Critical 天津力神电池股份有限公司
Priority to CNU2008201442042U priority Critical patent/CN201318937Y/en
Application granted granted Critical
Publication of CN201318937Y publication Critical patent/CN201318937Y/en

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Abstract

The utility model discloses a high-precision article size measuring device, and aims to provide an article size measuring device which can conduct stable test and has high precision. A lower datum plate is fixed on a work bench, linear shaft sleeves with low friction are fixed at four corners of the work bench, a guiding shaft with low friction is mounted in each linear shaft sleeve, an upper datum plate is fixedly connected at the end part of the guiding shaft, and a connecting block is fixedly connected on the upper datum plate; a floating adapter which is in contact with the connecting block is in floated connection with the upper datum plate when the connecting block and the upper datum plate are lifted, a lift cylinder is fixed on the work bench, and a push rod of the lift cylinder is fixedly connected with the floating adapter; a displacement transducer is fixedly connected on the upper datum plate, and a detection datum plate is fixed on the work bench. The cylinder just provides ascending power on the upper datum plate, therefore, when the article is measured, the cylinder is not in contact with the upper datum plate, and the article just receives the gravity pressure of the upper datum plate; the measuring pressure is stable and consistent, the measuring repeatability is good, and the measuring precision is high.

Description

A kind of high precision item sizes measurement mechanism

Technical field

The utility model relates to a kind of item sizes measurement mechanism, in particular, relates to a kind of measurement mechanism that utilizes action of gravity to measure item sizes.

Background technology

In the manufacturing, process testing process, often need measure the size of article.Present widely used dimension measurement method mainly contains: manually use kind of calliper; The non-contact 3-D scanning survey; Cylinder pressure is measured.

The artifical influence factor of artificial kind of calliper is more, and therefore each gaging pressure can not be consistent, and it is poor to cause measuring repeatable accuracy.Simultaneously, kind of calliper generally is line contact or partial face contact, and some shapes are had the size measuring of the article of projection slightly, is difficult to determine the test benchmark face.

Non-contact 3-D scanning survey precision height, applied widely, but equipment price height often, the test duration is long.Therefore be applicable to small-lot testing or lab investigation; In article test occasion application difficult in enormous quantities.

The cylinder pressure measuring principle is to use cylinder to promote datum plate, and extruding contact article are measured item sizes by the length that displacement sensor moves then.This mode is subjected to the influence of air pressure fluctuation, and measuring accuracy is not high.

The utility model content

The utility model is in order to overcome weak point of the prior art, and a kind of stable testing, item sizes measurement mechanism that precision is high are provided.

The utility model is achieved through the following technical solutions:

A kind of high precision item sizes measurement mechanism, it is characterized in that, on falsework, be fixed with datum plate down, four bights on falsework are fixed with low friction linear axle sleeve respectively, the low friction axis of guide is installed in each linear axle sleeve, be fixedly connected with datum plate in the end of the axis of guide, on last datum plate, be fixedly connected with contiguous block, described contiguous block with when promoting datum plate, be connected with the floating junction of contiguous block contact is unsteady, be fixed with lift cylinder on falsework, the push rod of described lift cylinder is fixedlyed connected with floating junction; On last datum plate, be fixedly connected with displacement transducer, on falsework, the detection reference plate arranged with the corresponding stationkeeping of the detecting head of described displacement transducer.

Be connected by the adjustment bolt between described down datum plate and the falsework.

Described floating junction comprises cylindrical floating junction body, and the lower end of described floating junction body is provided with cylindrical boss, and described floating junction body is connected with the push rod of lift cylinder; Described contiguous block middle part is provided with cylindrical cavity, and the upper end of described cavity is provided with the floating junction hole, and described floating junction body passes the floating junction hole, and the cylindrical boss on the floating junction places in the cavity.

The utlity model has following technique effect:

1. friction force influence is little: 4 low friction axis of guides are connected with low friction linear axle sleeve fit, have both guaranteed the level of last datum plate reference field, guarantee to go up datum plate again in the process that moves up and down with the article measurement, not influenced by friction force.

2. gaging pressure is stable, the precision height: cylinder only provides datum plate rising power, when article are measured, cylinder does not contact with last datum plate, article only are subjected to the gravity pressure of datum plate, guarantee the stable and consistent of gaging pressure, thereby solve the existing unsettled difficult problem of measuring technique gaging pressure, measuring repeatability is good, the measuring accuracy height.

3. measuring accuracy height, functional diversities: adopt high accuracy displacement sensor to carry out dimension of object and measure measuring accuracy 0.001mm.Sensor can the Measuring Object size, also can carry out the tolerance setting on sensor, realizes the size separation of object.

4. applied widely: as to adopt the plane test mode, can be used for distance detection between each face of regular article, also can be applied to the detection of the end-point distances of irregular article.

5. the depth of parallelism is adjusted facility: the adjustment bolt is arranged, the depth of parallelism adjustment between convenient datum plate down and the last datum plate under the following datum plate.

Description of drawings

Fig. 1 is the structural representation of a kind of high precision item sizes of the utility model measurement mechanism;

Fig. 2 is that a kind of high precision item sizes of the utility model measurement mechanism is measured the state cut-open view.

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in detail.

The synoptic diagram of a kind of high precision item sizes of the utility model measurement mechanism as depicted in figs. 1 and 2, on falsework 12, be fixed with datum plate 1 down, four bights on falsework are fixed with low friction linear axle sleeve 6 respectively, the low friction axis of guide 7 is installed in each linear axle sleeve, is fixedly connected with datum plate 2 in the end of the axis of guide 7.On last datum plate 2, be fixedly connected with contiguous block 5, contiguous block 5 with when promoting datum plate with 9 unsteady connections of floating junction of contiguous block contact, on falsework, be fixed with lift cylinder 8, the push rod 13 of lift cylinder is fixedlyed connected with floating junction.On last datum plate, be fixedly connected with displacement transducer 11, on falsework, detection reference plate 10 arranged with the corresponding stationkeeping of the detecting head of described displacement transducer.

Floating junction contact with contiguous block when measuring, and only on promoting during datum plate, lift cylinder drives floating junction, and floating junction drives contiguous block, goes up the datum plate rising thereby drive.Floating junction in the present embodiment comprises cylindrical floating junction body 14, and the lower end of floating junction body is provided with cylindrical boss 15, and the floating junction body is connected with the push rod 13 of lift cylinder.Described contiguous block middle part is provided with cylindrical cavity 16, and the upper end of cavity 16 is provided with the floating junction hole, and described floating junction body passes the floating junction hole, and the cylindrical boss 15 on the floating junction places in the cavity 16.

Be connected by adjustment bolt 4 between the depth of parallelism adjustment between datum plate and the last datum plate for convenience down, described datum plate down and falsework.

Before use, go up earlier datum plate and the adjustment of the following datum plate depth of parallelism.Before use, the push rod of lift cylinder is in the upper end of falsework, at this moment, and the last end in contact of the cylindrical boss of floating junction and contiguous block, thereby, make datum plate also in the upper end of falsework.Cylinder moves, and boss and contiguous block that the push rod of cylinder drives floating junction break away from, owing to there is not the supporting role of floating junction, contiguous block and connected upward datum plate and the axis of guide lean on the gravity free-falling together, and contact with following datum plate.Use clearance gauge to measure the gap of going up between datum plate 2 and the following datum plate 1, manually bolt 4 is adjusted in rotation, and consistent with gap around the following datum plate 1 up to last datum plate 2, bolt 4 is adjusted in locking, and depth of parallelism adjustment is finished.Lift cylinder resets, and the boss of floating junction contacts with contiguous block, raises thereby drive last datum plate 2.

Afterwards, displacement sensor zero point is set.After the depth of parallelism adjustment of upper and lower datum plate was finished, sensor 11 detecting heads contacted with detection reference plate 10, and detecting head has decrement, adjusted button by sensor, and the sensor indicating value is set to " 0 ".

After the correction of last datum plate, following datum plate and displacement transducer, carry out the measurement of item sizes.Article 3 are placed on down on the datum plate 1, and lift cylinder 8 push rods stretch out, and the boss of floating junction and contiguous block break away from, and last datum plate 2 is pressed on the article 3 by the gravity free-falling, and at this moment, floating junction 9 does not contact with contiguous block 5.Sensor 11 detecting heads contact with detection reference plate 10, and detecting head has decrement, and sensor 11 is judged the item sizes value voluntarily, and numeral demonstration item sizes, and measurement is finished.

Claims (3)

1, a kind of high precision item sizes measurement mechanism, it is characterized in that, on falsework, be fixed with datum plate down, four bights on falsework are fixed with low friction linear axle sleeve respectively, the low friction axis of guide is installed in each linear axle sleeve, be fixedly connected with datum plate in the end of the axis of guide, on last datum plate, be fixedly connected with contiguous block, described contiguous block with when promoting datum plate, be connected with the floating junction of contiguous block contact is unsteady, be fixed with lift cylinder on falsework, the push rod of described lift cylinder is fixedlyed connected with floating junction; On last datum plate, be fixedly connected with displacement transducer, on falsework, the detection reference plate arranged with the corresponding stationkeeping of the detecting head of described displacement transducer.
2, high precision item sizes measurement mechanism according to claim 1 is characterized in that, is connected by the adjustment bolt between described down datum plate and the falsework.
3, high precision item sizes measurement mechanism according to claim 1 and 2, it is characterized in that, described floating junction comprises cylindrical floating junction body, and the lower end of described floating junction body is provided with cylindrical boss, and described floating junction body is connected with the push rod of lift cylinder; Described contiguous block middle part is provided with cylindrical cavity, and the upper end of described cavity is provided with the floating junction hole, and described floating junction body passes the floating junction hole, and the cylindrical boss on the floating junction places in the cavity.
CNU2008201442042U 2008-12-09 2008-12-09 High-precision article size measuring device CN201318937Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201442042U CN201318937Y (en) 2008-12-09 2008-12-09 High-precision article size measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201442042U CN201318937Y (en) 2008-12-09 2008-12-09 High-precision article size measuring device

Publications (1)

Publication Number Publication Date
CN201318937Y true CN201318937Y (en) 2009-09-30

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CN (1) CN201318937Y (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102809359A (en) * 2011-06-02 2012-12-05 常州数控技术研究所 Claw pole boss height measuring device
CN103203327A (en) * 2013-04-15 2013-07-17 机科发展科技股份有限公司 Intelligent gasket thickness and parallel degree detecting and sorting machine
CN103206941A (en) * 2013-04-11 2013-07-17 机科发展科技股份有限公司 Axial differential positioning measurement mechanism
CN103230877A (en) * 2013-04-15 2013-08-07 机科发展科技股份有限公司 Intelligent detection and separation machine of backing ring thickness and parallelism
CN104422414A (en) * 2013-09-11 2015-03-18 江苏肯帝亚木业有限公司 Wood floor size measurement device
CN106493608A (en) * 2016-10-08 2017-03-15 连云港杰瑞自动化有限公司 A kind of automation cell self-adapting detecting device
CN107449366A (en) * 2017-07-10 2017-12-08 张真真 A kind of amorphous alloy iron core thickness measurement online device
CN108311401A (en) * 2018-01-20 2018-07-24 浙江爱易特智能技术有限公司 A kind of heart wheel detection method
CN109323644A (en) * 2018-10-16 2019-02-12 方志兰 A kind of shaft-like workpiece surface roundness detection instrument and shaft-like workpiece roundness measurement method
CN109405717A (en) * 2018-10-16 2019-03-01 方志兰 A kind of shaft-like workpiece circularity automatic checkout system
CN110132210A (en) * 2019-05-15 2019-08-16 上海大学 A kind of center of long spacing boss is away from on-line measurement device

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102809359B (en) * 2011-06-02 2015-03-25 常州数控技术研究所 Claw pole boss height measuring device
CN102809359A (en) * 2011-06-02 2012-12-05 常州数控技术研究所 Claw pole boss height measuring device
CN103206941A (en) * 2013-04-11 2013-07-17 机科发展科技股份有限公司 Axial differential positioning measurement mechanism
CN103206941B (en) * 2013-04-11 2016-06-08 机科发展科技股份有限公司 A kind of axial differential location survey mechanism
CN103230877B (en) * 2013-04-15 2014-09-24 机科发展科技股份有限公司 Intelligent detection and separation machine of backing ring thickness and parallelism
CN103203327B (en) * 2013-04-15 2015-02-04 机科发展科技股份有限公司 Intelligent gasket thickness and parallel degree detecting and sorting machine
CN103203327A (en) * 2013-04-15 2013-07-17 机科发展科技股份有限公司 Intelligent gasket thickness and parallel degree detecting and sorting machine
CN103230877A (en) * 2013-04-15 2013-08-07 机科发展科技股份有限公司 Intelligent detection and separation machine of backing ring thickness and parallelism
CN104422414A (en) * 2013-09-11 2015-03-18 江苏肯帝亚木业有限公司 Wood floor size measurement device
CN106493608B (en) * 2016-10-08 2019-03-01 连云港杰瑞自动化有限公司 A kind of automation cell self-adapting detecting device
CN106493608A (en) * 2016-10-08 2017-03-15 连云港杰瑞自动化有限公司 A kind of automation cell self-adapting detecting device
CN107449366A (en) * 2017-07-10 2017-12-08 张真真 A kind of amorphous alloy iron core thickness measurement online device
CN107449366B (en) * 2017-07-10 2019-09-24 辽宁秉航非晶科技有限公司 A kind of amorphous alloy iron core thickness measurement online device
CN108311401A (en) * 2018-01-20 2018-07-24 浙江爱易特智能技术有限公司 A kind of heart wheel detection method
CN109323644A (en) * 2018-10-16 2019-02-12 方志兰 A kind of shaft-like workpiece surface roundness detection instrument and shaft-like workpiece roundness measurement method
CN109405717A (en) * 2018-10-16 2019-03-01 方志兰 A kind of shaft-like workpiece circularity automatic checkout system
CN109323644B (en) * 2018-10-16 2020-06-23 芜湖双翼航空装备科技有限公司 Shaft workpiece surface roundness detection tool and shaft workpiece roundness detection method
CN110132210A (en) * 2019-05-15 2019-08-16 上海大学 A kind of center of long spacing boss is away from on-line measurement device

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Granted publication date: 20090930