CN107218912A - A kind of three coordinate measuring machine positioned based on expansible support inner chamber formula and measuring method - Google Patents
A kind of three coordinate measuring machine positioned based on expansible support inner chamber formula and measuring method Download PDFInfo
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- CN107218912A CN107218912A CN201710642584.6A CN201710642584A CN107218912A CN 107218912 A CN107218912 A CN 107218912A CN 201710642584 A CN201710642584 A CN 201710642584A CN 107218912 A CN107218912 A CN 107218912A
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- Prior art keywords
- stop collar
- side wall
- swelling
- mandrel
- circumferential side
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of three coordinate measuring machine positioned based on expansible support inner chamber formula and measuring method, measuring machine includes：Gauge head, travel mechanism, control device and tubular elements location division, the tubular elements location division include mandrel, are symmetricly set on the swelling detent mechanism of the mandrel left and right ends；Swelling detent mechanism includes, swelling stop collar, and it is installed on mandrel, and the swelling stop collar includes the circumferential side wall towards outward opening, and the circumferential side wall is coaxially disposed with mandrel in a ring；Movable stop collar, its axial direction driven along mandrel is retreated, and the swelling stop collar is provided with the surrounding place side wall towards inner opening；Surrounding place side wall can match the circumferential side wall described in insertion；Swelling portion, including the raised breach with formation in circumferential side wall of cambered surface in circumferential side wall outer rim is formed, when surrounding place side wall inserts circumferential side wall, described circumferential side wall distending, cambered surface projection is held with tubular elements inner chamber, is formed many strong points realizations and is positioned.The present invention, which has, positions simple advantage.
Description
Technical field
The present invention relates to technical field of mechanical design, more particularly to a kind of three seats positioned based on expansible support inner chamber formula
Co-ordinate measuring machine and measuring method.
Background technology
Tubular elements are common Machine Design products, for the physical dimensions such as its diameter, circularity, perpendicularity and form and position tolerance
Measurement, it usually needs positioning is measured to it by some positioners, conventional positioning method can be roughly divided into cylindrical
Positioning and inner chamber position two kinds, particularly when need on the basis of inner chamber, when external Circle Parameters are evaluated, it is necessary to inner chamber
Firm support is carried out, so as to set up shaft centerline measurement benchmark, moreover, when required detection Workpiece length is larger, more needing one kind
The positioner that can be achieved to fix inner chamber measures positioning to tubular elements.Therefore, a kind of detection positioning tool need to be designed to tubular
Part measures auxiliary positioning, so as to complete the accurate measurement to each geometric sense.
The content of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide one kind is based on expansible support inner chamber
The three coordinate measuring machine and measuring method of formula positioning, it is possible to achieve to the auxiliary positioning of tubular elements Geometrical Parameter Testing.
To realize that the technical scheme that the purpose of the present invention is used is：
A kind of three coordinate measuring machine positioned based on expansible support inner chamber formula, including：Gauge head, it is used to measure measured
Thing；Travel mechanism, it moves above-mentioned gauge head；Control device, it controls above-mentioned travel mechanism；And tubular elements location division, its
For fixing tubular elements；
The tubular elements location division includes mandrel, is symmetricly set on the swelling detent mechanism of the mandrel left and right ends；
The swelling detent mechanism includes,
Swelling stop collar, it is installed on mandrel, and to be interior in the middle part of mandrel, two ends are outer, and the swelling stop collar includes
Towards the circumferential side wall of outward opening, the circumferential side wall is coaxially disposed with mandrel in a ring；
Movable stop collar, on the outside of swelling stop collar, its axial direction driven along mandrel is retreated, the swelling stop collar
It is provided with the surrounding place side wall towards inner opening；Surrounding place side wall can match the circumferential side wall described in insertion；
Swelling portion, including the breach that cambered surface is raised and formation is in circumferential side wall in circumferential side wall outer rim is formed, wherein,
When surrounding place side wall inserts described circumferential side wall, described circumferential side wall distending, cambered surface projection is held with tubular elements inner chamber, shape
Realize and position into many strong points.
It is preferred that, the tubular elements location division is arranged on the top of marble flat board by v-shaped bearing frame, and the gauge head is set
Put in the bottom of crossbeam, the crossbeam is arranged on the surface of the marble flat board by air-float guide rail.
It is preferred that, the breach includes the inner circular breach and outside bar v notch v of integrative-structure.
It is preferred that, stage clip is provided between the movable stop collar and swelling stop collar, for promoting movable stop collar to make it
Depart from out of swelling stop collar.
It is preferred that, the movable stop collar is promoted by locking nut, and locking nut is connected with mandrel thread.
It is preferred that, the breach is evenly distributed in circumferential side wall in a ring, circumferential side wall is formed equidistant flap
Structure.
It is preferred that, the mandrel two ends set locating centre hole, for by mandrel positioning clamping in V-type bearing bracket stand.
It is preferred that, the mandrel is multi-diameter shaft, including centrally-disposed interlude, and the two ends of the interlude are set
There are functional section and active section that diameter is sequentially reduced, the active section is supported on the active section of V-type bearing bracket stand for positioning tool.
It is preferred that, the center interference of the swelling stop collar is arranged on functional section, and its axial location is by interlude end
Face is limited, and the swelling stop collar gap is arranged on functional section.
It is preferred that, the movable stop collar and swelling stop collar are On The Quality of Bearing Steels, and pass through Quenching Treatment.
It is preferred that, the conical surface is provided with the outside of the outer rim of the movable stop collar, the conical surface includes the first cone positioned at bottom
Face and superposed second conical surface, first conical surface are assembling guide cone, for being oriented to, and second conical surface is cooperation
Cone, for controlling axial rigging position.
On the other hand, the localization method of the three coordinate measuring machine positioned based on expansible support inner chamber formula, including following
Step：
(1) swelling stop collar is packed on mandrel, movable stop collar is enclosed on mandrel；
(2) tubular elements are put, are determined behind positioning swelling position, the propulsion activity stop collar into swelling stop collar is circumferential
Swollen outside the wall of side, cambered surface projection offsets with tubular elements inner chamber, is advanced into untill tubular elements can not jump vertically under external force,
Realize positioning；
(3) by mandrel positioning clamping on v-shaped bearing frame；
(4) gauge head is driven by air-float guide rail and measures sampling site, and the measurement element collected is intended by control system
Computing is closed, all kinds of physical dimensions and Form and position error of tubular elements are finally given.
It is preferred that, in the step (1), activity limit in locking nut, the step (2) is screwed on the outside of movable stop collar
Position set is promoted by locking nut.
Compared with prior art, the beneficial effects of the invention are as follows：
Swelling stop collar of the present invention with cambered surface petal-like protrusion, can be achieved to contact fixed simultaneously to the multiple spot of tubular elements
Position, makes tubular elements uniform force, and tension force can be adjusted by the screw-in length of locking nut, and stage clip can make movable stop collar fast
Speed is rebounded, and cambered surface projection is withdrawn, and realizes the rapid-mounted of tubular elements, is improved detection and is loaded efficiency.
Brief description of the drawings
Fig. 1 is three coordinate measuring machine structure chart.
Fig. 2 is the structure chart of tubular elements location division.
Fig. 3 is the structural representation of mandrel.
Fig. 4 is the external view of swelling stop collar.
Fig. 5 is the side view of swelling stop collar.
Fig. 6 is the enlarged drawing of the movable stop collar outer rim conical surface.
Wherein：1- mandrels, 2- swelling stop collars, 3- activity stop collars, 4- locking nuts, 5- stage clips, 6- active sections, 7- work(
Can section, 8- interludes, 9- cambered surfaces projection, 10- breach；
12- marble flat boards, 13- air-float guide rails, 14- crossbeams, 15- gauge heads, 16-V type bearing supports.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
As shown in figures 1 to 6, the invention discloses a kind of three coordinate measuring machine positioned based on expansible support inner chamber formula, bag
Include：Gauge head 15, it is used to measure measured object；Travel mechanism, it moves above-mentioned gauge head；Control device, it controls above-mentioned shifting
Motivation structure；And tubular elements location division, it is used to fix tubular elements；
The tubular elements location division is arranged on the top of marble flat board 12 by v-shaped bearing frame 16, and the gauge head is set
In the bottom of crossbeam 14, the crossbeam is arranged on the top of marble flat board by air-float guide rail 13；
The tubular elements location division includes mandrel 1, is symmetricly set on the swelling detent mechanism of the left and right ends of mandrel 1；
The swelling detent mechanism includes,
Swelling stop collar 2, it is installed on mandrel 1, is interior with the middle part of mandrel 1, two ends are outer, the swelling stop collar 2
Including the circumferential side wall towards outward opening, the circumferential side wall is coaxially disposed with mandrel 1 in a ring；
Movable stop collar 3, positioned at the outside of swelling stop collar 2, its axial direction advance and retreat driven along mandrel 1, the swelling limit
Position set 2 is provided with the surrounding place side wall towards inner opening；Described surrounding place side wall can match the circumferential side wall described in insertion；
Swelling portion, including form the breach 10 in the cambered surface projection 9 of circumferential side wall outer rim and formation in circumferential side wall.
The movable stop collar 3 and swelling stop collar 2 are On The Quality of Bearing Steels, and pass through Quenching Treatment.Hardness is improved, is increased
Plus wearability.
Preferred mode, the breach 10 includes the inner circular breach and outside bar v notch v of integrative-structure, such
The setting of breach, is easy to the quick distending of circumferential side wall and withdrawal.
Preferred mode, is provided with stage clip 5 between the movable stop collar 3 and swelling stop collar 2, stage clip 5 is used to promote
Movable stop collar 3 makes it depart from out of swelling stop collar 2.The setting of stage clip 5, makes movable stop collar 3 quickly rebound, and cambered surface is raised
9 quick withdrawals, are easy to tubular elements to dismantle.
Preferred mode, the movable stop collar 3 is promoted by locking nut 4, and locking nut 4 is threadedly coupled with mandrel 1.
So when being screwed inwardly into locking nut 4, can stable propulsion activity stop collar 3, when locking nut 4 is screwed with the external screw thread of mandrel 1
Afterwards, with its continuous precession, promotion activity stop collar 3 is in axial direction fed, make the flap cambered surface projection 9 of swelling stop collar 2 to
Open outside, so that swelling tubular elements, meanwhile, movable stop collar 3 compresses stage clip 5；When locking nut 4 is retracted, stage clip 5 times
Bullet, movable stop collar 3 is retracted, and the flap cambered surface of swelling stop collar 2 projection 9 is withdrawn, and can remove tubular elements.
The conical surface is provided with the outside of preferred mode, the outer rim of the movable stop collar 3.So that movable stop collar 3 can be smooth
Be inserted into swelling stop collar 2.The conical surface includes two sections of conical surfaces, the assembling positioned at bottom on the outside of the outer rim of the movable stop collar
Guide cone and superposed cooperation cone, the assembling guide cone are used to be oriented to, described to coordinate cone, for controlling axially assembling position
Put.
Preferred mode, the breach is evenly distributed in circumferential side wall in a ring, between circumferential side wall is formed etc.
Away from valvular structure.It can be achieved to contact positioning simultaneously to the multiple spot of tubular elements, make tubular elements uniform force, and tension force can pass through lock
The screw-in length regulation of tight nut.
Preferred mode, the two ends of mandrel 1 set locating centre hole, for by the positioning clamping of mandrel 1 in V-type bearing
Frame, mandrel 1 is processed using high-precision grinding, and both ends of the surface are machined with the locating centre hole for meeting national standard, after machining, with two ends
Center hole positioning clamping measures the radial beat eccentricity of each diameter segment on the V-type bearing bracket stand of three coordinate measuring machine, is respectively less than
0.01mm。
Preferred mode, the mandrel 1 is multi-diameter shaft, including centrally-disposed interlude 8, the interlude
Two ends be provided with the diameter functional section 7 and active section 6 that are sequentially reduced, the active section 6 is supported on V-type bearing bracket stand for positioning tool
Active section.Active section 6 is used to screw locking nut 4 provided with thread segment, realizes the tool locating, the swelling stop collar 2
Center interference is arranged on functional section, and its axial location is limited by interlude end face, and the gap of swelling stop collar 2 is arranged on
Functional section.
On the other hand, the localization method of the three coordinate measuring machine positioned based on expansible support inner chamber formula, including following
Step：
(1) swelling stop collar is packed on mandrel 1, movable stop collar 3 is enclosed on mandrel 1.
(2) tubular elements are put, are determined behind positioning swelling position, the propulsion activity stop collar 3 into swelling stop collar is circumferential
Swollen outside the wall of side, cambered surface projection 9 offsets with tubular elements inner chamber, be advanced into tubular elements can not jump vertically under external force for
Only, positioning is realized.
(3) by the positioning clamping of mandrel 1 on v-shaped bearing frame；
(4) gauge head is driven by air-float guide rail and measures sampling site, and the measurement element collected is intended by control system
Computing is closed, all kinds of physical dimensions and Form and position error of tubular elements are finally given.Whole measurement process forms special survey by programming
Range sequence, operation program is automatically performed measurement.
Preferred mode, two swelling stop collars 2 are assembled by interference mode with mandrel 1, axially with mandrel 1
Between the end face of section 8 it is spacing, two stage clips 5 are put respectively, after two movable stop collars 3 are enclosed on mandrel 1, two ends screw in locking
Nut 4, screws in position and is not flared out being defined by the cambered surface projection 9 of swelling stop collar 2, put tubular elements, determine positioning swelling
Behind position, continue to screw in locking nut 4 respectively, finally, will untill tubular elements can not jump vertically under external force
The tubular elements having good positioning are positioned on v-shaped bearing frame, can carry out the Geometrical Parameter Testing of tubular elements.
Described above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of three coordinate measuring machine positioned based on expansible support inner chamber formula, it is characterised in that including：Gauge head, it is used to survey
Measure measured object；Travel mechanism, it moves above-mentioned gauge head；Control device, it controls above-mentioned travel mechanism；And tubular elements are fixed
Position portion, it is used to fix tubular elements；
The tubular elements location division includes mandrel, is symmetricly set on the swelling detent mechanism of the mandrel left and right ends；
The swelling detent mechanism includes,
Swelling stop collar, it is installed on mandrel, and to be interior in the middle part of mandrel, two ends are outer, and the swelling stop collar is included outwardly
The circumferential side wall of opening, the circumferential side wall is coaxially disposed with mandrel in a ring；
Movable stop collar, on the outside of swelling stop collar, its axial direction driven along mandrel is retreated, and is set on the swelling stop collar
There is the surrounding place side wall towards inner opening；Surrounding place side wall can match the circumferential side wall described in insertion；
Swelling portion, including the breach that cambered surface is raised and formation is in circumferential side wall in circumferential side wall outer rim is formed, wherein, work as ring
When the week side of boss wall inserts described circumferential side wall, described circumferential side wall distending, cambered surface projection is held with tubular elements inner chamber, is formed many
The strong point realizes positioning.
2. the three coordinate measuring machine as claimed in claim 1 positioned based on expansible support inner chamber formula, it is characterised in that the cylinder
Shape part location division is arranged on the top of marble flat board by v-shaped bearing frame, and the gauge head is arranged on the bottom of crossbeam, the horizontal stroke
Beam is arranged on the surface of the marble flat board by air-float guide rail.
3. the three coordinate measuring machine as claimed in claim 1 positioned based on expansible support inner chamber formula, it is characterised in that the work
It is dynamic that stage clip is provided between stop collar and swelling stop collar, for promoting movable stop collar it is departed from out of swelling stop collar.
4. the three coordinate measuring machine as claimed in claim 1 positioned based on expansible support inner chamber formula, it is characterised in that the work
Dynamic stop collar is promoted by locking nut locking nut, and locking nut is connected with mandrel thread.
5. the three coordinate measuring machine as claimed in claim 1 positioned based on expansible support inner chamber formula, it is characterised in that described to lack
Mouth includes the inner circular breach and outside bar v notch v of integrative-structure.
6. the three coordinate measuring machine as claimed in claim 1 positioned based on expansible support inner chamber formula, it is characterised in that described to lack
Mouth is evenly distributed in circumferential side wall in a ring so that circumferential side wall must form equidistant valvular structure.
7. the three coordinate measuring machine as claimed in claim 1 positioned based on expansible support inner chamber formula, it is characterised in that the core
Axle two ends set locating centre hole, for by mandrel positioning clamping in V-type bearing bracket stand.
8. the three coordinate measuring machine as claimed in claim 1 positioned based on expansible support inner chamber formula, it is characterised in that the core
Axle is multi-diameter shaft, including centrally-disposed interlude, and the two ends of the interlude are provided with the function that diameter is sequentially reduced
Section and active section, the active section are supported on the active section of V-type bearing bracket stand for positioning tool.
9. the three coordinate measuring machine as claimed in claim 8 positioned based on expansible support inner chamber formula, it is characterised in that described swollen
The center interference of tight stop collar is arranged on functional section, and its axial location is limited by interlude end face, the swelling stop collar
Gap is arranged on functional section.
10. the three coordinate measuring machine as claimed in claim 1 positioned based on expansible support inner chamber formula, it is characterised in that described
The conical surface is provided with the outside of the outer rim of movable stop collar, the conical surface includes first conical surface and superposed second cone positioned at bottom
Face, first conical surface is assembling guide cone, for being oriented to, and second conical surface is bored to coordinate, for controlling axially assembling position
Put.
11. the measuring method of the three coordinate measuring machine as described in claim any one of 1-10, it is characterised in that including following step
Suddenly：
(1) swelling stop collar is packed on mandrel, movable stop collar is enclosed on mandrel；
(2) tubular elements are put, are determined behind positioning swelling position, propulsion activity stop collar, circumferential side wall into swelling stop collar
Outer swollen, cambered surface projection offsets with tubular elements inner chamber, is advanced into untill tubular elements can not jump vertically under external force, realization
Positioning；
(3) by mandrel positioning clamping on v-shaped bearing frame；
(4) gauge head is driven by air-float guide rail and measures sampling site, and the measurement element collected is fitted fortune by control system
Calculate, finally give all kinds of physical dimensions and Form and position error of tubular elements.
12. measuring method as claimed in claim 10, it is characterised in that in the step (1), the sidespin outside movable stop collar
Enter movable stop collar in locking nut, the step (2) to be promoted by locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642584.6A CN107218912B (en) | 2017-07-31 | 2017-07-31 | Three-coordinate measuring machine and measuring method based on expandable support intracavity type positioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642584.6A CN107218912B (en) | 2017-07-31 | 2017-07-31 | Three-coordinate measuring machine and measuring method based on expandable support intracavity type positioning |
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| CN107218912A true CN107218912A (en) | 2017-09-29 |
| CN107218912B CN107218912B (en) | 2021-05-04 |
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Cited By (2)
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| CN109596037A (en) * | 2018-06-26 | 2019-04-09 | 嘉兴学院 | Manipulator isolation ring testing agency and detection method |
| CN117367337B (en) * | 2023-12-08 | 2024-02-20 | 太原中金天威不锈钢管股份有限公司 | Stainless steel pipe size measuring device and method based on machine vision |
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| CN117367337B (en) * | 2023-12-08 | 2024-02-20 | 太原中金天威不锈钢管股份有限公司 | Stainless steel pipe size measuring device and method based on machine vision |
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| Publication number | Publication date |
|---|---|
| CN107218912B (en) | 2021-05-04 |
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