CN107228648A - The method that testee is fixed from bottom surface - Google Patents

The method that testee is fixed from bottom surface Download PDF

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Publication number
CN107228648A
CN107228648A CN201710428937.2A CN201710428937A CN107228648A CN 107228648 A CN107228648 A CN 107228648A CN 201710428937 A CN201710428937 A CN 201710428937A CN 107228648 A CN107228648 A CN 107228648A
Authority
CN
China
Prior art keywords
testee
hole
negative pressure
fixed
dimensional measurement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710428937.2A
Other languages
Chinese (zh)
Inventor
刘宁
李德维
徐俊
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
API ZC Chengdu Precision Instrument Co Ltd
Original Assignee
API ZC Chengdu Precision Instrument Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by API ZC Chengdu Precision Instrument Co Ltd filed Critical API ZC Chengdu Precision Instrument Co Ltd
Priority to CN201710428937.2A priority Critical patent/CN107228648A/en
Publication of CN107228648A publication Critical patent/CN107228648A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/20Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring contours or curvatures, e.g. determining profile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/0002Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G01B5/0004Supports

Abstract

The invention discloses the method that testee is fixed from bottom surface, comprise the following steps:(a) workbench for placing testee is set, several through holes connected up and down are opened up in table surface;(b) testee is placed on the table, makes testee covering through hole as much as possible;(c) air is extracted since covered through hole lower section, testee bottom is produced negative pressure, adsorbed testee in table surface by negative pressure.It is an object of the invention to provide the method that testee is fixed from bottom surface, to solve during three-dimensional measurement in the prior art using fixture clamping object, take body surface area, need to change the problem of retaining part could complete entirely to measure work, realize the disposable purpose for completing three-dimensional measurement.

Description

The method that testee is fixed from bottom surface
Technical field
The present invention relates to three-dimensional measurement field, and in particular to the method that testee is fixed from bottom surface.
Background technology
With the continuous progress of science and technology, three-dimensional measurement technology has been increasingly becoming the research field in forward position.At this stage three Tieing up e measurement technology still can not be applied to large-scale measurement, but more suitable for small-scale measurement, especially high-end product A small amount of customization in.Therefore this just proposes higher requirement to the personalization level of 3-D measuring apparatus.Existing three-dimensional survey Measure equipment, need rotate by side article when, be to be rotated on base, base be divided into as needed rotatably or can not Rotation.It is that base rotation is directly driven by drive device, then three-dimensional is carried out in submounts for the base of rotatable type Measurement.During three-dimensional measurement, in order to ensure object is firm, need to use fixture that object is stabilized on base often.And Fixture clamping object mode can take the area of side of the object, lead to not directly holding portion is measured, it is necessary to Changing retaining part could complete entirely to measure work, made troubles to three-dimensional measurement process, cause inefficiency.
The content of the invention
It is an object of the invention to provide the method that testee is fixed from bottom surface, to solve three-dimensional measurement in the prior art When clamp object using fixture, take body surface area, need to change retaining part the problem of could complete entirely to measure work, Realize the disposable purpose for completing three-dimensional measurement.
The present invention is achieved through the following technical solutions:
The method that testee is fixed from bottom surface, comprises the following steps:
(a) workbench for placing testee is set, several through holes connected up and down are opened up in table surface;
(b) testee is placed on the table, makes testee covering through hole as much as possible;
(c) air is extracted since covered through hole lower section, testee bottom is produced negative pressure, will be tested by negative pressure Object is adsorbed in table surface.
Object is clamped using fixture during for three-dimensional measurement in the prior art, body surface area is taken, leads to not directly Holding portion is measured, it is necessary to changing retaining part could complete entirely to measure work, brought to three-dimensional measurement process Inconvenience, the problem of cause inefficiency, the present invention proposes a kind of method that testee is fixed from bottom surface, sets and places measured object The workbench of body, several through holes connected up and down are opened up in table surface, by testee place on the table, make by Object covering through hole as much as possible is surveyed, air is extracted since covered through hole lower section, produces testee bottom negative Pressure, is adsorbed testee in table surface by negative pressure.Due to being evacuated to through hole, so as to be opposite to the thing on workbench Body bottom surface provides suction all the time, and object bottom surface is in negative pressure state all the time, so as to ensure that object can be in work by atmospheric pressure Keep firm on platform, three-dimensional measurement is carried out so as to convenient, and will not take side of the object area, without again ceaselessly Change retaining part, hence it is evident that improve operating efficiency.
It is preferred that, air is extracted in step (c) and is carried out by vavuum pump.Ensure that providing enough negative pressure progress pressure consolidates.
It is preferred that, filter screen is set in the through hole.Pass through strainer filtering air, it is to avoid debris enters the device for extracting air Inside result in blockage, improve service life.
It is preferred that, a diameter of 2~5mm of the through hole.It is excessive by diameter, gas velocity spend it is slow, persistently produce negative pressure Effect be deteriorated, it is too small by diameter, but easily by air dust and other impurities block.Therefore through-hole diameter 2~5mm it Between when with optimal using effect, can overcome above mentioned problem, obtain optimal balance.
The present invention compared with prior art, has the following advantages and advantages:
The method that the present invention fixes testee from bottom surface, the object bottom surface being opposite on workbench provides suction all the time, Object bottom surface is in negative pressure state all the time, so that ensure that object can keep firm on the table by atmospheric pressure, so as to Enough convenient progress three-dimensional measurements, and side of the object area will not be taken, without ceaselessly changing retaining part again, hence it is evident that carry High operating efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of the specific embodiment of the invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make For limitation of the invention.
Embodiment 1:
The method that testee is fixed from bottom surface as shown in Figure 1, comprises the following steps:(a) set and place testee Workbench, several through holes connected up and down are opened up in table surface;(b) testee is placed on the table, made Testee covering through hole as much as possible;(c) air is extracted since covered through hole lower section, produces testee bottom Raw negative pressure, is adsorbed testee in table surface by negative pressure.Air is extracted in step (c) to be carried out by vavuum pump.It is described logical Filter screen is set in hole.A diameter of 2~5mm of the through hole.The present invention table surface open up connect up and down several lead to Hole, testee is placed on the table, makes testee covering through hole as much as possible, is opened below covered through hole Begin to extract air, testee bottom is produced negative pressure, adsorbed testee in table surface by negative pressure.Due to through hole It is evacuated, so that the object bottom surface being opposite on workbench provides suction all the time, object bottom surface is in negative pressure state all the time, from And ensure that object can keep firm on the table by atmospheric pressure, three-dimensional measurement is carried out so as to convenient, and not Side of the object area can be taken, without ceaselessly changing retaining part again, hence it is evident that improve operating efficiency.It is empty by strainer filtering Gas, it is to avoid debris enters to result in blockage in the device for extracting air, improves service life.Have when through-hole diameter is between 2~5mm There is optimal using effect.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included Within protection scope of the present invention.

Claims (4)

1. the method for testee is fixed from bottom surface, it is characterised in that comprise the following steps:
(a) workbench for placing testee is set, several through holes connected up and down are opened up in table surface;
(b) testee is placed on the table, makes testee covering through hole as much as possible;
(c) below the covered through hole extract air, testee bottom is produced negative pressure, by negative pressure by testee Absorption is in table surface.
2. the method according to claim 1 that testee is fixed from bottom surface, it is characterised in that extracted in step (c) empty Gas is carried out by vavuum pump.
3. the method according to claim 1 that testee is fixed from bottom surface, it is characterised in that filter is set in the through hole Net.
4. it is according to claim 1 from bottom surface fix testee method, it is characterised in that the through hole it is a diameter of 2~5mm.
CN201710428937.2A 2017-06-08 2017-06-08 The method that testee is fixed from bottom surface Pending CN107228648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710428937.2A CN107228648A (en) 2017-06-08 2017-06-08 The method that testee is fixed from bottom surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710428937.2A CN107228648A (en) 2017-06-08 2017-06-08 The method that testee is fixed from bottom surface

Publications (1)

Publication Number Publication Date
CN107228648A true CN107228648A (en) 2017-10-03

Family

ID=59935810

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710428937.2A Pending CN107228648A (en) 2017-06-08 2017-06-08 The method that testee is fixed from bottom surface

Country Status (1)

Country Link
CN (1) CN107228648A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010231216A (en) * 2010-04-23 2010-10-14 Dainippon Printing Co Ltd Method and device for manufacturing color filter
JP2013207128A (en) * 2012-03-29 2013-10-07 Dainippon Screen Mfg Co Ltd Substrate holding device and substrate processing device
CN204222367U (en) * 2014-10-28 2015-03-25 昆山濡鑫光电科技有限公司 A kind of print nest
CN204914925U (en) * 2015-08-20 2015-12-30 苏州创轩激光科技有限公司 Marking machine vacuum adsorption fixing device
CN205201654U (en) * 2015-11-24 2016-05-04 中国工程物理研究院化工材料研究所 Bipeltate section processing vacuum fixing device
CN105628068A (en) * 2014-10-30 2016-06-01 宁波舜宇光电信息有限公司 Fixture preventing measurement deviation and manufacturing method thereof
CN105922043A (en) * 2016-07-13 2016-09-07 四川明日宇航工业有限责任公司 Multi-station quick positioning device and method applicable to aviation sheet metal parts

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010231216A (en) * 2010-04-23 2010-10-14 Dainippon Printing Co Ltd Method and device for manufacturing color filter
JP2013207128A (en) * 2012-03-29 2013-10-07 Dainippon Screen Mfg Co Ltd Substrate holding device and substrate processing device
CN204222367U (en) * 2014-10-28 2015-03-25 昆山濡鑫光电科技有限公司 A kind of print nest
CN105628068A (en) * 2014-10-30 2016-06-01 宁波舜宇光电信息有限公司 Fixture preventing measurement deviation and manufacturing method thereof
CN204914925U (en) * 2015-08-20 2015-12-30 苏州创轩激光科技有限公司 Marking machine vacuum adsorption fixing device
CN205201654U (en) * 2015-11-24 2016-05-04 中国工程物理研究院化工材料研究所 Bipeltate section processing vacuum fixing device
CN105922043A (en) * 2016-07-13 2016-09-07 四川明日宇航工业有限责任公司 Multi-station quick positioning device and method applicable to aviation sheet metal parts

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Application publication date: 20171003

RJ01 Rejection of invention patent application after publication