A kind of instruments used for education measuring circularity, concentricity and end face run-out
Technical field
The utility model relates to experiment teaching instrument field, specifically a kind of measurement circularity, concentricity and end face run-out
Instruments used for education.
Background technique
Axis class, sleeve part are slewing parts more conventional in machine-building, under normal circumstances, these components
It need to be used cooperatively, therefore in the process of production and processing, not only to meet its scale error range, while also to guarantee geometric tolerance
It is required that.The method of the geometric tolerances such as traditional measurement circularity, concentricity and end face run-out generally uses three coordinate measuring machine to be surveyed
Amount, this measuring device is complicated for operation, detection time is long, detection data fluctuation is larger, detection efficiency is low, higher cost, uncomfortable
It closes and is applied in teaching experiment, and circularity, concentricity and end face run-out can intuitively be reflected at present by lacking in teaching experiment
The instrument of measurement data.
Utility model content
In view of the shortcomings of the prior art, the technical issues of the utility model intends to solve is to provide a kind of measurement circularity, concentricity
And the instruments used for education of end face run-out.
The scheme that the utility model solves the technical problem is to provide a kind of measurement circularity, concentricity and end face run-out
Instruments used for education, it is characterised in that the instrument includes measuring piece, gauge head, positioning and clamping mechanism, supporting mechanism, measuring table, drive
Motivation structure, data collector and data processing equipment;The positioning and clamping mechanism is fixed on measuring table, driving mechanism installation
On measuring table;The datum level of the measuring piece, which is placed on positioning and clamping mechanism, to be positioned and clamps;The supporting mechanism one
End is fixed on measuring table, and the other end is equipped with gauge head;The data collector connects with gauge head and data processing equipment respectively
It connects;Gauge head and measuring piece cooperation obtain measurement numerical value;The surface of measuring piece, which has, measures circularity and end face run-out for gauge head
Structure.
Compared with prior art, the utility model beneficial effect is:
(1) apparatus structure is simple, measures part respectively by gauge head using the geometric tolerance feature of slewing parts
The numerical value such as circularity and end face run-out are suitble to teaching demonstration and student's hands-on, data processing equipment intuitively to show measurement number
According to, calculate data and error figure, be easy observation and understand, increase the interest of student's practice, reduce the difficulty of teachers' instruction
Degree.
(2) by it is contour top in pairs or in pairs the positioning of contour v block clamp measuring piece, can quickly adjust supporting mechanism and
Gauge head, and then variety classes and size slewing parts geometric tolerance are measured, it is easy to operate.
(3) by being replaced with to contour top or pairs of contour v block, can adapt to benchmark respectively is both ends of the surface centre bore
Axle center cable architecture or revolving body cylindrical structure different parts.
Detailed description of the invention
Fig. 1 is the whole knot that the utility model measures circularity, a kind of embodiment of instruments used for education of concentricity and end face run-out
Structure schematic diagram.
Fig. 2 is the measurement for the instruments used for education another kind embodiment that the utility model measures circularity, concentricity and end face run-out
Part scheme of installation.(in figure: 1, measuring piece;2, gauge head;3, positioning and clamping mechanism;4, supporting mechanism;5, measuring table;6, it drives
Motivation structure;7, data collector;8, data processing equipment;3-1, in pairs it is contour top;3-2, in pairs contour v block;4-1, company
Bar;4-2, joint;4-3, gauge head installation part;4-4, support;6-1, power device;6-2, driving wheel;7-1, data cable)
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail.Specific embodiment is only used for further in detail
It describes bright the utility model in detail, does not limit the protection scope of the claim of this application.
The utility model provide a kind of measurement circularity, concentricity and end face run-out instruments used for education (abbreviation instrument, referring to
Fig. 1-2), it is characterised in that the instrument includes measuring piece 1, gauge head 2, positioning and clamping mechanism 3, supporting mechanism 4, measuring table 5, drives
Motivation structure 6, data collector 7 and data processing equipment 8;The positioning and clamping mechanism 3 is fixed on measuring table 5, driving machine
Structure 6 is mounted on measuring table 5;The datum level of the measuring piece 1 is placed on positioning and clamping mechanism 3 and positions and clamp;It is described
One end of supporting mechanism 4 is fixed on measuring table 5, and the other end is equipped with gauge head 2;The data collector 7 passes through data electricity
Cable 7-1 is connect with gauge head 2 and data processing equipment 8 respectively;Several supporting mechanisms 4 and several can be installed on measuring table 5
A gauge head 2;Gauge head 2 and the cooperation of measuring piece 1 obtain measurement numerical value;
The supporting mechanism 4 includes connecting rod 4-1, joint 4-2, gauge head installation part 4-3 and support 4-4;The support 4-4 is solid
It is scheduled on measuring table 5;One end of the connecting rod 4-1 is fixed on support 4-4, and the other end is equipped with gauge head installation part 4-3;Institute
It states and is provided with joint 4-2 on connecting rod 4-1, connecting rod 4-1 can be made to realize the fixed other end bending in one end;The gauge head 2 is mounted on
On gauge head installation part 4-3.
The driving mechanism 6 includes power device 6-1 and driving wheel 6-2;The power device 6-1 is fixed by connector
On measuring table 5;The output axis connection of the driving wheel 6-2 and power device 6-1;The driving wheel 6-2 and measuring piece 1
Side surface cooperation, drives measuring piece 1 to rotate.
The driving method of the power device 6-1 can be driven by electricity, air pressure driving or hydraulic-driven;Power device 6-
1 preferred motor;
The material of the measuring piece 1 can be metal, be also possible to nonmetallic;The surface of the measuring piece 1 have for
The structure of gauge head 2 measurement circularity and end face run-out.
The material of the measuring table 5 can be metal, be also possible to nonmetallic, and there are parallel T-slot, T-type in upper surface
Rooved face has the threaded hole equidistantly arranged.
The positioning and clamping mechanism 3 plays the role of positioning and clamping to measuring piece 1, can be using pairs of contour top 3-
1 or pairs of contour v block 3-2;Pairs of contour top 3-1 is mounted on measurement by measuring piece 1 with a central hole for both ends of the surface
On platform 5, then the centre bore of 1 both ends of the surface of measuring piece is inserted in respectively on two top 3-1, positions and hold out against;For datum level
It is the measuring piece 1 on revolving body cylindrical surface, pairs of contour v block 3-2 is mounted on measuring table 5, then by revolving body cylindrical surface
It is placed on pairs of contour v block 3-2, positions and clamp;
The gauge head 2 is to can be contact with the sensor of electric signal output, be also possible to contactless.
The data collector 7 exports after the measurement data of one or more gauge heads 2 can be collected simultaneously to data processing
Device 8.
The data processing equipment 8 uses computer, measures numerical value by simultaneous display after LabVIEW software calculation processing
With calculate data, and draw out data profile, store numerical value, make the TOLERANCE ANALYSIS of circularity, concentricity and end face run-out.
LabVIEW software calculation processing belongs to the prior art.
The working principle and workflow of the instruments used for education of the utility model measurement circularity, concentricity and end face run-out are:
When measurement, if the benchmark of measuring piece 1 is the axial line of both ends of the surface centre bore, positioning and clamping mechanism 3 is using pairs of
Pairs of contour top 3-1 is mounted on measuring table 5, then the centre bore of 1 both ends of the surface of measuring piece is distinguished by contour top 3-1
It is inserted on two top 3-1, positions and hold out against;If the datum level of measuring piece 1 is revolving body cylindrical side, positioning and clamping mechanism
3, using pairs of contour v block 3-2, pairs of contour v block 3-2 are mounted on measuring table 5, then by the revolving body of measuring piece 1
Cylindrical surface is placed on v block 3-2 and positions and clamp;When gauge head 2 is contact, the measurement of the indicator and measuring piece 1 of gauge head 2
Face, which directly contacts, obtains numerical value;When gauge head 2 is contactless, gauge head 2 obtains in the case where not 1 measuring surface of contact measurement part
Measure numerical value.Then the side surface of driving wheel 6-2 and measuring piece 1 cooperates, when power device 6-1 drives driving wheel 6-2 rotation,
Measuring piece 1 generates rotary motion, it can be achieved that gauge head 2 is rotated along 1 side surface of measuring piece, with the determining survey of the beating scope of gauge head indicator
Measure the circularity and end face run-out of part 1;Data collector 7 obtains the measurement data of gauge head 2, and is passed by data cable 7-1
Transport to data processing equipment 8.After treatment, data processing equipment 8 shows measurement data and calculates data, concentricity data
It is calculated by existing formula, and draws out data profile, stored numerical value, make the public affairs of circularity, concentricity and end face run-out
Difference analysis.
The utility model does not address place and is suitable for the prior art.