CN104075660B - Working table used for fixing magnetic conductive workpiece and optimeter thereof - Google Patents
Working table used for fixing magnetic conductive workpiece and optimeter thereof Download PDFInfo
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- CN104075660B CN104075660B CN201410345894.8A CN201410345894A CN104075660B CN 104075660 B CN104075660 B CN 104075660B CN 201410345894 A CN201410345894 A CN 201410345894A CN 104075660 B CN104075660 B CN 104075660B
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Abstract
The invention discloses a working table used for fixing magnetic conductive workpiece and optimeter thereof, which aims at solving the problem that high difficulty is existed in stability control of the movement process of a workpiece to be measured due to that the workpiece is manually controlled during the measurement, the accuracy of measurement cannot reach the measurement accuracy designed by an optimeter when the optimeter is adopted for measurement, and measuring point data cannot be read accurately by measurement personnel. The working table comprises a fixing base, a controllable magnetic device and a positioning device. The working table used for fixing the magnetic conductive workpiece provided by the invention plays a role in fixing the magnetic conductive workpiece, so that the workpiece to be measured always remains relatively stationary relative to the working table surface during the movement and measurement process of the workpiece to be measured, and through the coordination of a movement mechanism, slow and stable movement of the workpiece to be measured can be realized; besides, the invention further provides an optimeter on the basis of the working table used for fixing the magnetic conductive workpiece, the measurement accuracy is high, the operation is convenient, and through the improvement of the invention, the optimeter can reach the designed measurement accuracy, and the measurement result is accurate, stable and reliable.
Description
Technical field
The present invention relates to mechanical field, especially measuring instrument field, specially a kind of work for fixing magnetic conductivity workpiece
Station and its optics meter.
Background technology
In recent years, along with the fast development of modern manufacturing industry, certainty of measurement and measurement efficiency for metrical instrument carry
Go out higher requirement.Optics meter is a kind of higher optical-mechanic one instrument of degree of accuracy, is that a kind of high-precision contact is surveyed
Measuring appratus, are widely used to enterprise-quality detection department and Scientific Research in University Laboratory at present.
At present, optics meter adopts contact type measurement mostly.Measurement in the measurement process of optics meter, to tested part
Journey relies primarily on manual control mode and completes.The scale division value of common optics meter: 1 μm, indicating value variation: 0.1 μm, reading model
Enclose: ± 100 μm, larger to the stability contorting difficulty of tested part motion process using manual control mode.In measurement process,
Part is controlled to occur the problem that using manual mode
1) Non-follow control is difficult to ensure that tested part keeps being in close contact with workbench all the time in whole measurement process, obtains
The measurement result obtaining differs farther out with the true value of part, and accuracy of measurement does not reach the certainty of measurement of Instrument Design；
2) in measurement process, need by hand control part, make part on the table with survey cap and contact, thus to zero
Part measures, and hand cannot accomplish stability contorting to the motion of tested part, leads to the data in optics meter display window
Fluctuation is larger, and survey crew cannot accurately read measurement point data, or even because hand is unstable to part control, occurs multiple
The situation of maximum of points；
3) due to adopting manual control mode, measurement process is difficult to control to, and the phenomenon such as the data being led to is unstable is given and surveyed
Amount process brings repetition and unnecessary operation, reduces measurement efficiency, also significantly impacts measurement Instrumental operation simultaneously
Convenience.
In consideration of it, it is intended that providing a kind of new workbench for fixing magnetic conductivity workpiece and adopt its optics
Meter, to solve foregoing problems.
Content of the invention
It is an object of the invention to: for workpiece in measurement process, manual control mode is controlled to part, tested
The stability contorting difficulty of workpiece motion s process is larger, and during using optical instrumentation amount, accuracy of measurement does not reach the survey of Instrument Design
Accuracy of measurement, survey crew cannot accurately read measurement point data, exist repeat often, measurement efficiency is low, convenience
The problem of difference, is provided based on a kind of workbench by fixing magnetic conductivity workpiece and its optics.The workbench of the present invention passes through composition
Cooperating between part, can play the fixation to magnetic conductivity workpiece, make measured workpiece in the process moving, measure
In, keep geo-stationary and between working face all the time, by routing motion mechanism, be capable of steady, the slow fortune of tested part
OK, thus meeting the demand of the instruments such as optics meter.Meanwhile, the present invention also provides the light of the workbench based on fixing magnetic conductivity workpiece
Learn meter, this optics meter can not only the window data of stably measured data point show, the degree of accuracy of raising measurement data, Er Qieneng
The enough convenient observation to experimental data and record, improve instrument operating performance.Certainty of measurement of the present invention is high, disclosure satisfy that optics
The design requirement of meter, favorable repeatability, measurement result is stable, accurate, reliable, has preferable application prospect.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of workbench for fixing magnetic conductivity workpiece, including fixed pedestal, can produce magnetic with eliminate magnetic can
Control magnetic devices, be arranged on for fixing the positioner of magnetic conductivity workpiece on controllable magnetic device, described positioner includes
Horizontal catch, the vertical catch being connected with horizontal catch, described fixed pedestal is prepared from by non-magnet material, described positioning dress
Put and be prepared from by permeability magnetic material, described controllable magnetic device is arranged on fixed pedestal, the upper end of described controllable magnetic device
Face is working face, and described horizontal catch is arranged on working face.
The magnetic line of force that described controllable magnetic device opens generation passes through positioner, make magnetic work and positioner against
Together.
Using being integrally formed between described horizontal catch and vertical catch and mutually vertical between horizontal catch and vertical catch
Directly.
Described positioner is l type.
Between described horizontal catch and controllable magnetic device using activity or be fixedly connected.
Described controllable magnetic device is magneto controllable magnetic device or electric-controlled type controllable magnetic device.
Described controllable magnetic device is one of Magnetic gauge stand, permanent magnetic chuck, electromagnet.
Described fixed pedestal is prepared from by aluminium alloy or stainless steel non-permeable material, and described positioner is by silicon steel sheet
Make.
Also include the slide mechanism that controllable magnetic device can be made to be relatively fixed pedestal movement.
Rail plate that described slide mechanism includes being arranged on fixed pedestal, it is arranged on controllable magnetic device lower surface
Groove, described rail plate and fit depressions；
Or described slide mechanism include being arranged on fixed pedestal groove, be arranged on controllable magnetic device lower surface and with
The rail plate of fit depressions.
Described rail plate is line slide rail, dovetail groove guide rail, one kind of t shape groove guide rail.
Described rail plate is dovetail groove guide rail, is provided with reed between described dovetail groove guide rail and groove.
Also include motion control mechanism, described motion control mechanism is lead-screw drive mechanism or rack and pinion drive mechanism.
Described motion control mechanism is linear motion controlling organization.
Described lead-screw drive mechanism is threaded screw rod transmission mechanism, t type lead-screw drive mechanism, in ball-screw transmission mechanism
One kind.
Described lead-screw drive mechanism be threaded screw rod transmission mechanism, described threaded screw rod transmission mechanism include threaded screw rod,
The nut matching with threaded screw rod, also includes bracing frame, actuator, and support frame as described above is arranged on fixed pedestal, described spiral shell
Line leading screw is arranged on bracing frame, and described actuator is connected with threaded screw rod and threaded screw rod relative support frame can be driven to rotate,
Described nut is connected with controllable magnetic device and constitutes screw thread pair, and controllable magnetic device can be driven to be relatively fixed base by screw thread pair
Seat is mobile.
Described actuator drives handwheel or l type to drive handwheel for column type.
Using the optics meter of aforementioned operation platform, including workbench, the leveling frustum that is arranged on fixed pedestal lower surface, described
Workbench is arranged on optics meter pedestal by leveling frustum；
Or including workbench, horizontal mobile mechanism, leveling frustum, the fixed pedestal in described workbench is arranged on level and moves
On motivation structure and fixed pedestal energy relative level travel mechanism moves, described horizontal mobile mechanism is arranged on light by leveling frustum
Learn on meter pedestal.
Also include levelling gear, working face holding level can be made by levelling gear.Levelling gear can be screw.
Applicant on the basis of long-term practice, finds after being furtherd investigate, existing manual mode is surveyed to workpiece
During amount, first standard gauge block is placed on the workbench of optics meter, after optics meter is calibrated, then with hand, workpiece is placed
On the position of standard gauge block, tested part is measured.Due to most tested part be cylinder, polygon etc., its
In measurement process, tested part axis and the parastate of working face are more easily damaged, and the window of optics meter be only ±
0.1mm, thus slight movement, you can make workpiece deviate measurement range, thus the problem occurring reading data；And survey
During amount, it usually needs with hand, workpiece is controlled, and the slight deviation of hand also occurs foregoing problems, and hand cannot simultaneously
Keep absolute balance, thus in fact it could happen that the situation of multiple maximum during duplicate measurements；Therefore, for workpiece
Fixation is the key solving foregoing problems.In this regard, applicant provides a kind of workbench (letter below for fixing magnetic conductivity workpiece
Claim workbench).
The workbench of the present invention includes fixed pedestal, controllable magnetic device, positioner；Wherein, positioner is arranged on
On controllable magnetic device, it includes horizontal catch, the vertical catch being connected with horizontal catch, is used for fixing magnetic conductivity workpiece；Gu
Determine pedestal to be prepared from by non-magnet material, positioner is prepared from by permeability magnetic material, controllable magnetic device is arranged on fixation
On pedestal, the upper surface of controllable magnetic device is working face, and horizontal catch is arranged on working face.Controllable magnetic device can produce
Magnetisation and elimination magnetic, and then show diamagnetism and paramagnetism.In the present invention, controllable magnetic device be located at fixed pedestal with
Between positioner, fixed pedestal is prepared from by non-magnet material, and positioner is prepared from by permeability magnetic material, thus under certainly
And upper formed non-magnetic layer, controlled magnetic layer, magnetic layer be similar to " sandwich " structure, and positioner include horizontal catch,
Vertically catch；Under normal circumstances, controllable magnetic device is closed, and does not have magnetic force, magnetic conductivity workpiece energy on working face
It is enough that easily from working face handling, when controllable magnetic device is in open mode, controllable magnetic device externally shows magnetic force, this
When, non-magnetic layer can not transmit magnetic field, and the magnetic line of force passes through positioner, and positioner plays the effect collecting the magnetic line of force, fixed
Magnetic force the strongest is produced, thus tested part is tightly adsorbed on the positioning device on the device of position.In the present invention, positioner bag
Include horizontal catch, vertical catch, its tested part is played positioning, prevent measured workpiece deflection effect it is most important that rise
To suction-operated, tested part is made tightly to adsorb on the positioning device.Due to positioner to the absorption affinity of tested part relatively
Greatly, even if thus during device is mobile, tested part still can be well fixed on the working face of controllable magnetic device
On, slight movement is also difficult to occur.
In experimentation, after fixed pedestal is removed by applicant, controllable magnetic device is directly anchored to optics meter base
On seat, and optics meter pedestal is magnetic conductive material, and through measuring, in this condition, the magnetic force of positioner is the weakest, tested
Part cannot effectively be fixed on working face, and during tested part is contacted with survey cap, tested part frequently moves
Dynamic, similar to the measurement result of manual mode.Meanwhile, applicant adopts fixed pedestal, controllable magnetic device, does not adopt positioning dress
Put, tested, experiment finds: when controllable magnetic device is in open mode, tested part can occur certainly on working face
Dynamic rotation, and static in certain position, and this allows for tested part and is in non-measured position.Meanwhile, there is no positioner, to circle
When cylindrical workpiece measures, or even the situation that cylindrical tested part does not stop to rotate on working face occurs, only work as cylinder
When shape is just at the n pole of controllable magnetic device or s pole, it could remains stationary state.When positioner adopts non-magnetic material
When material is made, it cannot play the purpose assembling the magnetic line of force, and during for measuring part, tested part position does not still know, and surveys
Determine result nonsensical.It can be seen that, fixed pedestal, controllable magnetic device, " sandwich structure " of positioner composition, and this
Bright middle fixed pedestal, the material of positioner are the necessary parts realizing the present invention, are exactly based on the phase interworking between each several part
Close, finally achieve present invention purpose.If the cooperation in the present invention is destroyed, arise that multiple maximums, that
The measurement result of sample is just nonsensical.
Controllable magnetic device in the present invention be a kind of can produce and the device that loses magnetism, can for Magnetic gauge stand, forever
One of magnetic-disc, electromagnet., its shell is two pieces of magnetic conductors taking magnetic stand as a example, middle with non-magnetic copper coin every
Open, inside it, have a rotatable magnet, this magnet is diametrically n, s pole.When magnet rotates to centre position, magnetic
The line of force forms open circuit respectively in two pieces of magnetic conductors, and now workpiece can be taken away easily；After ratating 90 degrees, ns pole is respectively toward to two
Block magnetic conductor, now to guide rail to another piece of magnetic conductor to s pole from n pole to magnetic conductor, forms magnetic line of force closure, can be firmly
By absorption of workpieces on working face.
Using being integrally formed between horizontal catch and vertical catch, and it is mutually perpendicular between horizontal catch and vertical catch.
Fixed pedestal is prepared from by aluminium alloy or stainless steel non-permeable material, and positioner is prepared from by silicon steel sheet.Positioning dress
Put and can be made using l type silicon steel sheet.Between horizontal catch and controllable magnetic device using activity or be fixedly connected, the present embodiment
In, even if fixing device is placed on working face, also can play the positioning action to tested part, using screw by positioner
It is fixed on controllable magnetic device, positioner can be made to remain at same position, so that measurement result has can weigh
Renaturation is good, the accurate feature of measurement result.Preferably, horizontal catch is located at the n level of controllable magnetic device on working face to s pole
Center line on.
Controllable magnetic device is magneto controllable magnetic device or electric-controlled type controllable magnetic device.Controllable magnetic device is magnetic
One of property gauge stand, permanent magnetic chuck, electromagnet.Also include the skate machine that controllable magnetic device can be made to be relatively fixed pedestal movement
Structure.Slide mechanism includes the rail plate being arranged on fixed pedestal, the groove being arranged on controllable magnetic device lower surface, slides
Guide rail and fit depressions；Or slide mechanism include being arranged on fixed pedestal groove, be arranged on controllable magnetic device lower end
Face and the rail plate with fit depressions.By both cooperations, controllable magnetic device can be made to be relatively fixed pedestal and to move.
Rail plate is line slide rail, dovetail groove guide rail, one kind of t shape groove guide rail.One of which, rail plate is dovetail groove guide rail,
It is provided with reed between dovetail groove guide rail and groove.Dovetail groove guide rail structure is simple, and it ensure that the stability of the present invention,
Reed between the two can adjust fit clearance makes present invention operation more steady.
Also include motion control mechanism, motion control mechanism is lead-screw drive mechanism or rack and pinion drive mechanism.Motion
Controlling organization is linear motion controlling organization.Lead-screw drive mechanism is threaded screw rod transmission mechanism, t type lead-screw drive mechanism, rolling
One of ballscrew transmission mechanism.Motion control mechanism can make controllable magnetic device be relatively fixed pedestal movement.Wherein one
Plant example as follows: lead-screw drive mechanism is threaded screw rod transmission mechanism, threaded screw rod transmission mechanism includes threaded screw rod and screw thread
The nut that leading screw matches, also includes bracing frame, actuator.Bracing frame is arranged on fixed pedestal, and threaded screw rod is arranged on and props up
On support, actuator is connected with threaded screw rod and actuator can drive the rotation of threaded screw rod relative support frame, nut and controllable magnetic
Property device be connected, and drive controllable magnetic device to be relatively fixed pedestal movement by the cooperation of threaded screw rod and nut.Actuator
Handwheel or l type is driven to drive handwheel for column type.
Meanwhile, also by aforementioned operation platform based on optics, it includes workbench, is arranged on fixed pedestal lower end the present invention
The leveling frustum in face, workbench is arranged on optics meter pedestal by leveling frustum；Or include workbench, horizontal mobile mechanism,
Leveling frustum, the fixed pedestal in workbench is arranged on horizontal mobile mechanism and fixed pedestal energy relative level travel mechanism moves
Dynamic, horizontal mobile mechanism is arranged on optics meter pedestal by leveling frustum.Levelling gear in the present invention then can adjust work
Face and the plumbness of optical instrumentation head.
The optics of the workbench to be used for fixing magnetic conductivity workpiece using the present invention is calculated as example, and its course of work is as follows.Survey
Before amount, first adopt standard gauge block " zeroing ".During measurement, open controllable magnetic device so as to produce magnetic, tested part is adsorbed onto
On the working face of controllable magnetic device, and be closely packed together with positioner, adjust motion control mechanism, make tested part and
Controllable magnetic device slow transits through survey cap, reads the fine motion difference of tested part, calculate the reality of tested part from form
Size.The motion of the workbench that controllable magnetic device is formed with fixed pedestal replaces the motion of tested part, motion control mechanism
Replace Non-follow control, by the cooperation of each several part, by the tested part of magnetic conductivity tightly be adsorbed onto table surface, it is to avoid people
The directly control to measurement part, larger human error is converted to the microsystem error that frame for movement is brought, and improves and surveys
The precision of amount, the accuracy of measurement result and repeatability.By motion control mechanism, realize slow and stable control, with
Meet the requirement to data stability.The design of this programme, improves the operating performance of instrument, i.e. amateur survey crew
Can complete to measure, reach certainty of measurement.
Optics meter in the present invention guarantee the design of optics meter original structure under conditions of constant it is ensured that quilt in measurement process
Survey axis of workpiece to be in close contact and keeping parallelism with working face, make measurement result close to true value, there is simple to operation, data
Stable feature.In addition, also workbench can be used for linearity, flatness, circularity and cylindricity etc. with reference to optics meter
The detection of part geometry form tolerance.
Applicant is respectively adopted existing equipment and (using manual mode, part is controlled, is then entered using optics meter
Row measurement), improve equipment (i.e. assembly of the invention is coordinated with optics meter by this device, then measures), three sit
Co-ordinate measuring machine measures to two kinds of magnetic conductivity parts (being designated as magnetic conductivity part one, magnetic conductivity part two respectively).Magnetic conductivity zero
The test effect comparison figure of part one is as shown in fig. 6, the test effect comparison figure of magnetic conductivity part two is as shown in Figure 7.By contrast,
It can be found that, using the method can significantly improve the certainty of measurement of optics meter, improve the accuracy of measurement result.Meanwhile, test
Result also further demonstrates that, using the optics meter of the present invention, its measurement result stability is better than the measurement knot of three coordinate measuring machine
Really, illustrate that the present invention has significantly to improve.
Brief description
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation front view that in optics meter of the present invention, workbench is combined with optics meter base.
Fig. 2 is mechanism's diagrammatic side view that in optics meter of the present invention, workbench is combined with optics meter base.
Fig. 3 is the rail plate schematic diagram of Workbench base and the cooperation of controllable magnetic device.
Fig. 4 is optics meter original measurement conceptual scheme.
Fig. 5 is the close-up schematic view of i in Fig. 4.
Fig. 6 is the test effect comparison figure of magnetic conductivity part one.
Fig. 7 is the test effect comparison figure of magnetic conductivity part two.
In figure marks: 1 is fixed pedestal, and 2 is controllable magnetic device, and 3 is positioner, and 4 is horizontal catch, and 5 is vertical
Catch, 6 is working face, and 7 is rail plate, and 8 is groove, and 9 is threaded screw rod, and 10 is bracing frame, and 11 is actuator, and 12 is leveling
Frustum, 13 is optics meter pedestal, and 14 is levelling gear, and 15 is magnetic switch, and 16 is tested part, and 17 is to survey cap.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature or step beyond, all can combine by any way.
Any feature disclosed in this specification, unless specifically stated otherwise, all can be equivalent or there is similar purpose by other
Alternative features are replaced, i.e. unless specifically stated otherwise, and each feature is a series of equivalent or one of similar characteristics example
?.
Embodiment 1
The optics meter of the present invention is the important of the axial workpieces such as optical instrumentation amount plain limit gage and cylinder diameter
Link.Below in conjunction with the accompanying drawings, the present invention will be described.
A kind of optics meter, including the workbench for fixing tested part, leveling frustum, levelling gear, workbench passes through
Leveling frustum is arranged on optics meter pedestal.Levelling gear adopts screw, by the cooperation of screw and optics meter pedestal, adjusts work
Station.Wherein, workbench includes fixed pedestal, controllable magnetic device, positioner, slide mechanism, motion control mechanism, setting
In upper support frame, the actuator of fixed pedestal, positioner includes horizontal catch, the vertical catch being connected with horizontal catch, Gu
Determine pedestal to be prepared from by non-magnet material, positioner is prepared from by permeability magnetic material, controllable magnetic device is arranged on fixation
On pedestal, the upper surface of controllable magnetic device is working face, and horizontal catch is arranged on working face.
In the present embodiment, controllable magnetic device adopts Magnetic gauge stand, by the magnetic switch of spin magnetization gauge stand, makes magnetic
Gauge stand produces magnetic and eliminates magnetic.In the present embodiment, fixed pedestal is made using aluminium alloy, and positioner adopts l type silicon steel
Piece, horizontal catch is mutually perpendicular to vertical catch, and it is arranged on controllable magnetic device, and to be used for fixed magnetic workpiece (i.e. tested
Part).When controllable magnetic device is opened, because fixed pedestal is prepared from by non-magnet material, thus fixed pedestal is non-leading
Magnetosphere, the magnetic line of force that controllable magnetic device produces passes through positioner, and positioner produces powerful magnetic force, make magnetic work with
Positioner is closely packed together.Horizontal catch is located at the n level of controllable magnetic device on working face to the line of s pole, and level gear
Piece is fixed by screws on controllable magnetic device.
Rail plate that slide mechanism includes being arranged on fixed pedestal, it is arranged on the recessed of controllable magnetic device lower surface
Groove, rail plate and fit depressions, so that controllable magnetic device can be relatively fixed pedestal slide.Motion control mechanism is adopted
Use threaded screw rod transmission mechanism, it includes threaded screw rod, nut, threaded screw rod is matched with nut, by rotating threaded screw rod,
Nut opposite thread leading screw can be made to move.Threaded screw rod is arranged on bracing frame, and actuator is connected with threaded screw rod and drives
Part can drive threaded screw rod relative support frame to rotate, and nut is connected with controllable magnetic device, and by threaded screw rod and nut
Cooperation can drive controllable magnetic device to be relatively fixed pedestal and move.During use, threaded screw rod is driven to rotate by rotary drive,
Under the cooperation with nut for the threaded screw rod, nut drives fixed pedestal to move, thus realizing tested part fortune in the horizontal direction
Dynamic.In the present embodiment, actuator drives handwheel for l type, and rail plate is dovetail groove guide rail, sets between dovetail groove guide rail and groove
It is equipped with reed, reed can adjust the fit clearance between rail plate and groove, so that both is more preferably coordinated, thus ensureing
Tested part traveling comfort.
In the present embodiment, the l type silicon steel sheet magnetic conductivity that positioner adopts is high, can constrain controllable magnetic device upper surface
The magnetic line of force, by the magnetic line of force collected by tested part being adsorbed on working face tightly.When controllable magnetic device is in screw thread silk
During the control lower edge rail plate motion of thick stick, tested part is moved together with controllable magnetic device.Controllable magnetic device and fixation
Adopted oat tail groove structure is connected as shown in figure 3, rail plate also can be slided using line slide rail, t shape groove etc. between pedestal
Guide rail.
In conjunction with Fig. 1-3, the course of work of the present invention is described as follows.
Before measurement, complete " zeroing " using standard gauge block to surveying the height between cap and working face.Then by tested part
Be installed on the working face of controllable magnetic device, open magnetic switch, tested part be adsorbed onto on working face and tightly with fixed
The vertical catch of position device is close together.Rotating drive part, controls stable the passing through together with tested part of controllable magnetic device
Survey cap, complete the measurement to tested part fine motion difference.
Measure through many experiments, result shows: when being measured using the optics meter of the present invention, measurement result repeatability
Good, accurately and reliably, measurement accuracy is high for test result.
The present invention passes through to provide a kind of new device, during it can avoid normal optical meter Parts Measurement completely
Method error and random error, avoid gross error, improve certainty of measurement, operating characteristics can be improved it is ensured that measurement result simultaneously
Repeatability and accuracy.
Contrast experiment one
Fig. 4 is optics meter original measurement conceptual scheme, and Fig. 5 is the close-up schematic view of i in Fig. 4.By the ratio of Fig. 4, Fig. 5
Relatively, can be clear that, tested part be controlled using manual mode, when measuring by optics meter, part is often difficult to
Keep fixing, thus the situation of Fig. 5 occurs.In measurement process, multiple maximums often occur.
Contrast experiment two
Fixed pedestal is not comprised, other are same as Example 1 in the workbench that contrast experiment two adopts.
After measured, when tested part being placed on the working face in contrast experiment two, between tested part and working face
Magnetic force is weaker, can deflect during movement.Cap is surveyed in tested part contact, larger movement occurs and surveys it is impossible to meet
Provisioning request.
Contrast experiment three
Positioner is not comprised, other are same as Example 1 in the workbench that contrast experiment three adopts.
After measured, when tested part being placed on the working face in contrast experiment three, tested part deflects, according to quilt
Survey part dimension, the difference of size, static position is different.Contact the process surveying cap and fixed pedestal movement in tested part
In, there is larger movement and require it is impossible to meeting and measuring in tested part.
Contrast experiment four
In the workbench that contrast experiment four adopts, positioner is made using aluminum alloy materials, and other are same as Example 1.
The measurement result of contrast experiment four is similar to contrast experiment three, also cannot meet the requirement of Accurate Determining.
Invented by contrast, between each several part of the present invention, there is the effect of cooperating, once cooperation is destroyed, will go out
Existing magnetic force is weaker, workpiece deflects, the situation of multiple maximums, and then makes measurement result lose meaning." the three of the present invention
Mingzhi's structure ", the material of each several part, and baffle structure, are the keys realizing the present invention.The effect of wherein catch, be first
The fixation of position, next to that prevent measured workpiece mobile it is most important that collecting magnetic force according to the characteristic that near line is walked in magnetic field
Line, part can be automatically close to positioner simultaneously.In actual test, when measuring cylindrical work, work as cylindrical work
After being placed in working face, cylindrical work can move from trend positioner, and is tightly close together with positioner, is made with hand
Strength also is difficult to separate both, and during tested part is contacted with survey cap, it also will not deflect.Repeatedly measure table
Bright, its measurement result is accurately and reliably.
The invention is not limited in aforesaid specific embodiment.The present invention expands to and any discloses in this manual
New feature or any new combination, and the arbitrary new method of disclosure or the step of process or any new combination.
Claims (10)
1. a kind of workbench for fixing magnetic conductivity workpiece is it is characterised in that including fixed pedestal, producing magnetic and elimination
The controllable magnetic device of magnetic, it is arranged on controllable magnetic device and is used for fixing the positioner of magnetic conductivity workpiece, described positioning
Device includes horizontal catch, the vertical catch being connected with horizontal catch, and described controllable magnetic device is arranged on fixed pedestal, institute
The upper surface stating controllable magnetic device is working face, and described horizontal catch is arranged on working face；
Described fixed pedestal, controllable magnetic device, positioner form non-magnetic layer, controlled magnetic layer, magnetic layer from bottom to top
Structure；
Described fixed pedestal is prepared from by aluminium alloy or stainless steel non-permeable material, and described positioner is by silicon steel sheet system
Become.
2. the workbench for fixing magnetic conductivity workpiece according to claim 1 it is characterised in that described horizontal catch with
Vertically using being integrally formed between catch, and it is mutually perpendicular between horizontal catch and vertical catch.
3. the workbench for fixing magnetic conductivity workpiece according to any one of claim 1-2 is it is characterised in that described can
Control magnetic devices are magneto controllable magnetic device or electric-controlled type controllable magnetic device.
4. the workbench for fixing magnetic conductivity workpiece according to claim 3 is it is characterised in that described controllable magnetic fills
It is set to one of Magnetic gauge stand, permanent magnetic chuck, electromagnet.
5. the workbench for fixing magnetic conductivity workpiece according to claim 1-2,4 any one is it is characterised in that also wrap
Include the slide mechanism that controllable magnetic device can be made to be relatively fixed pedestal movement.
6. the workbench for fixing magnetic conductivity workpiece according to claim 5 is it is characterised in that described slide mechanism bag
Include the rail plate being arranged on fixed pedestal, be arranged on the groove of controllable magnetic device lower surface, described rail plate with recessed
Groove matches；
Or described slide mechanism include being arranged on fixed pedestal groove, be arranged on controllable magnetic device lower surface and and groove
The rail plate matching.
7. the workbench for fixing magnetic conductivity workpiece according to claim 3 it is characterised in that also include can make controlled
Magnetic devices are relatively fixed the slide mechanism of pedestal movement.
8. the workbench for fixing magnetic conductivity workpiece according to claim 6 is it is characterised in that also include motion control
Mechanism, described motion control mechanism is lead-screw drive mechanism or rack and pinion drive mechanism.
9. the workbench for fixing magnetic conductivity workpiece according to claim 8 is it is characterised in that described lead screw transmission machine
Structure is threaded screw rod transmission mechanism, and described threaded screw rod transmission mechanism includes the nut that threaded screw rod is matched with threaded screw rod,
Also include bracing frame, actuator, support frame as described above is arranged on fixed pedestal, described threaded screw rod is arranged on bracing frame, institute
State actuator to be connected with threaded screw rod and the rotation of threaded screw rod relative support frame, described nut and controllable magnetic device phase can be driven
Even constitute screw thread pair, and controllable magnetic device can be driven to be relatively fixed pedestal by screw thread pair and move.
10. adopt the optics meter of workbench described in aforementioned any one of claim 1-9 it is characterised in that including workbench, setting
In the leveling frustum of fixed pedestal lower surface, described workbench is arranged on optics meter pedestal by leveling frustum；
Or including workbench, horizontal mobile mechanism, leveling frustum, the fixed pedestal in described workbench is arranged on the machine of moving horizontally
On structure and fixed pedestal energy relative level travel mechanism moves, described horizontal mobile mechanism is arranged on optics meter by leveling frustum
On pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345894.8A CN104075660B (en) | 2014-07-21 | 2014-07-21 | Working table used for fixing magnetic conductive workpiece and optimeter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345894.8A CN104075660B (en) | 2014-07-21 | 2014-07-21 | Working table used for fixing magnetic conductive workpiece and optimeter thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075660A CN104075660A (en) | 2014-10-01 |
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| CN2690846Y (en) * | 2003-10-21 | 2005-04-06 | 万向钱潮股份有限公司 | Bell shape shell eccentricity detector |
| CN101598538A (en) * | 2008-06-04 | 2009-12-09 | 鸿富锦精密工业（深圳）有限公司 | Workpiece detecting device |
| CN201397112Y (en) * | 2009-05-11 | 2010-02-03 | 天津力神电池股份有限公司 | Device for measuring thickness of pole piece of lithium ion battery |
| CN101696866A (en) * | 2009-10-27 | 2010-04-21 | 大连卓远重工有限公司 | Magnetic base assisting measurement block |
| CN102147228B (en) * | 2010-02-09 | 2012-10-24 | 方君伟 | Concentric inclined measuring device |
| CN201662373U (en) * | 2010-03-22 | 2010-12-01 | 惠州市华阳思维精密部件有限公司 | Screw rod jitter and coaxiality detection device |
| JP5513443B2 (en) * | 2011-05-27 | 2014-06-04 | ジャパンマリンユナイテッド株式会社 | Laser measurement system |
| CN204064239U (en) * | 2014-07-21 | 2014-12-31 | 西南科技大学 | A kind of worktable for fixing magnetic conductivity workpiece and optics meter thereof |
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