CN204639796U - A kind of coaxiality deviation measures digital display device - Google Patents
A kind of coaxiality deviation measures digital display device Download PDFInfo
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- CN204639796U CN204639796U CN201520254346.4U CN201520254346U CN204639796U CN 204639796 U CN204639796 U CN 204639796U CN 201520254346 U CN201520254346 U CN 201520254346U CN 204639796 U CN204639796 U CN 204639796U
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Abstract
A kind of coaxiality deviation of the utility model measures digital display device, can be installed on machine tool chief axis, solve machine tool chief axis in the problem loaded down with trivial details relative to the aligning method on the position of workpiece, critical piece comprises electronic measuring device, Measurement and Data Processing circuit, display screen, power supply, grip shank and apparatus main body, the parts such as Measurement and Data Processing circuit, display screen, power supply are directly or indirectly connected on apparatus main body, make it to hold together; Measurement and Data Processing circuit measures the data of gained for storing and calculate electronic measuring device.
Description
Technical field
The utility model relates to a kind of measurement digital display device, particularly relate to a kind of coaxiality deviation and measure digital display device.
Background technology
In the prior art, known technology has: displacement transducer can measurement mechanical displacement mechanical displacement is converted into electronic data signals, and conventional displacement transducer has potentiometer type, condenser type, difference induction formula, resistance-strain type, differential transformer type, eddy current type, Hall-type, grating, appearance grid, magnetic grid, inductosyn and laser displacement sensor etc.The various displacement transducers such as current various digital display meter (digital display lever meter, digital display centimeter, digital display dial gauge etc.), linear micrometer, appearance grid micrometer, grating scale can accurately measure the displacement of testee by measuring contact, and by shift value display or can export.Laser displacement sensor can the change such as position, displacement of accurate non-cpntact measurement testee, is mainly used in the measurement of the geometric sense such as displacement, thickness, vibration, distance, diameter detecting thing.According to measuring principle, laser displacement sensor principle is divided into laser triangulation and return laser beam analytic approach, and laser triangulation is generally applicable to high accuracy, short-range measurement, and return laser beam analyzes rule for telemeasurement.
In order to determine the spatial relation between workpiece coordinate system and lathe coordinate system in machining, the some features on workpiece can be utilized to come the position of centering machine tool chief axis, existing aligning method has two planes utilized on seeking border detection workpiece, obtains the X of machine tool chief axis relative to workpiece, Y-coordinate position, or utilize lever meter, dial gauge, an axle in amesdial measuring workpieces, the position of centering machine tool chief axis is come in pin or hole, and usual way is lever meter (or dial gauge, amesdial) be fixed on machine tool chief axis with magnetic stand, and manual rotation machine tool chief axis, make lever meter (or dial gauge, amesdial) gauge head repeatedly repeated measurement hole or axle, in pin, cylindrical, according to (or the dial gauge of lever meter in measuring process, amesdial) change of reading repeatedly adjusts lathe main spindle's, finally makes lever meter at measured hole or axle, in pin, in cylindrical process, reading changing value goes to zero, thus thinks machine tool chief axis central axis and hole or axle, pin is coaxial, obtains the X of machine tool chief axis relative to workpiece, Y-coordinate position.
Summary of the invention
The utility model relates to a kind of coaxiality deviation and to measure in digital display device and a kind of space the computational methods of two characteristic points a coordinate system upper/lower positions deviation.
In a kind of space that the utility model relates to, two characteristic points are in the computational methods of a coordinate system upper/lower positions deviation, principle is: a well-known arbitrary triangle, if known wherein two length of side a, b and bottom side length D can utilize Pythagorean theorem to calculate distance D1, the D2 of this leg-of-mutton high H and high intersection point 2 to base in conjunction with mathematical equation.According to triangular shaped difference, for the distance D2 of one of them summit on base to intersection point and the calculating of high H, following three kinds can be summarized:
Shape one (accompanying drawing 1):
Shape two (accompanying drawing 2):
Shape three (accompanying drawing 3):
According to three kinds of result of calculations, triangular shaped be one and two time, D2 result is
, when shape is three, D2 result is
, wherein calculate same being suitable for when triangle is right angled triangle.
Now by leg-of-mutton base and high X, the Y-axis being considered as a coordinate system, calculate the relative position value of a known Atria summit under this coordinate system according to above.The computational methods of two characteristic points relative position deviation value under a plane coordinate system in space can be converted into: in space, utilize the distance value between two distance values of a characteristic point when two diverse locations and between another characteristic point and this two positions, to calculate the relative position deviation value under the known coordinate system of two characteristic points in a plane P in conjunction with mathematical equation according to Pythagorean theorem, this known coordinate was the coordinate system that the straight line X of these two diverse location points is formed with another characteristic point of mistake and perpendicular to the projection of straight line Y in plane P of straight line X, these three distance values are the projection value in plane P.
When leg-of-mutton base and height are considered as X, the Y-axis of a coordinate system, summit on its insole binding be can be considered to the calculating of two characteristic points relative position deviation value under a plane coordinate system to the distance D2 of intersection point and the calculating of high H, formula can be converted to:
Wherein can utilize Lx result of calculation positive and negative come the position of judging characteristic point 1 in X-axis, when Lx result of calculation be on the occasion of time, namely when triangle is shape three (accompanying drawing 3), represent that the characteristic point 1 on B position is positioned on the negative axle of X-axis, when Lx result of calculation is negative value, namely triangular shaped be one and two time (accompanying drawing 1, accompanying drawing 2), represent that the characteristic point 1 on B position is positioned on the positive axis of X-axis.
For existing machine tool chief axis in length loaded down with trivial details relative to the aligning method on the position of workpiece, consuming time, for the not wield problem of inexperienced processing staff, utilize the computational methods of above invention, can machine tool chief axis be found rapidly accurately relative to the coordinate position of workpiece.The technical scheme of technical solution problem is: suppose that on lathe, coordinate is X, Y, Z tri-axle compositions, machine tool chief axis central axial direction is the Z axis of lathe coordinate system, if need adjustment lathe alignment of shafts point relative to workpiece at X, position in Y-axis, only need first to measure machine tool chief axis on the A of position time alignment of shafts point and workpiece on the distance a of characteristic point on lathe XY coordinate plane, then by machine tool chief axis along X(or Y) direction of principal axis moves in-position B after a distance D, again measure the lathe alignment of shafts point distance b of characteristic point on lathe XY coordinate plane therewith, can according to a, b, D tri-distance values, utilize the formula that Pythagorean theorem is extrapolated in conjunction with mathematical equation
Formula 1
Formula 2
Calculate machine tool chief axis on the B of position time the central point of main shaft and workpiece on position deviation Lx, the Ly of this characteristic point under lathe XY plane coordinate system, machine operation person utilize these two numerical value of Lx, Ly can accurately machine tool chief axis to be navigated to rapidly on the position of this characteristic point on workpiece (wherein when Lx on the occasion of time, expression need according to moving direction along X(or Y) axle moves main shaft Lx distance, when Lx is negative value, representing need according to the rightabout of moving direction along X(or Y) axle moves main shaft Lx distance).The method does not only limit the use of in the location of machine tool chief axis on workpiece, and in any space, the relative position of two characteristic points under a coordinate system calculates and all can adopt the method.
A kind of coaxiality deviation of the utility model measures digital display device, can be installed on machine tool chief axis, for existing machine tool chief axis in length loaded down with trivial details relative to the aligning method on the position of workpiece, consuming time, for the not wield problem of inexperienced processing staff, the technical scheme that technical solution problem is taked is:
Critical piece comprises electronic measuring device, Measurement and Data Processing circuit, display screen, power supply, grip shank and apparatus main body, wherein electronic measuring device, grip shank, apparatus main body three parts, can be the individual components that separates separately and be rigidly connected between three, can be that any two parts are combined as a whole and are rigidly connected with the 3rd parts, can be three are combined into one; The parts such as Measurement and Data Processing circuit, display screen, power supply are directly or indirectly connected on apparatus main body, make it to hold together; Measurement and Data Processing circuit measures the data of gained for storing and calculate electronic measuring device, the circuit of Measurement and Data Processing circuit and electronic measuring device can be combined as a whole, and also can be two independent circuit and be connected by transmission line; Control button is comprised in Measurement and Data Processing circuit; Display screen is used for the data result that display measurement data processing circuit exports; Power supply is used for the power supply of device electric component, can adopt device internal battery powers, also can adopt external power source; Electronic measuring device is can measure displacement or distance and measured value is converted into the device of electronic signal, and electronic measuring device can be measured relative displacement on workpiece between point, line, surface feature and grip shank central axis or distance and measured value is converted into electronic signal.
Electronic measuring device can utilize displacement transducer, realizes in conjunction with the parts such as gauge head, measuring staff.According to displacement transducer and gauge head measuring staff form difference, electronic measuring device can have multiple implementation.Displacement transducer can adopt the forms such as potentiometer type, condenser type, difference induction formula, resistance-strain type, differential transformer type, eddy current type, Hall-type, grating, appearance grid, magnetic grid, inductosyn and laser displacement sensor, gauge head form can change difformity as required, measuring staff can have the form such as orthoscopic, lever, and when adopting non-contact measurement form, (as laser displacement sensor etc.) can without the parts such as gauge head, measuring staff.Electronic measuring device also can adopt the existing electronics lever meter, electronic centigrade scale, electronic dial gauge, linear micrometer, appearance grid micrometer, grating scale etc. of product as band data output function made to realize wholly or in part.Circuit and the Measurement and Data Processing circuit of electronic measuring device can be combined as a whole, and also can be two independent circuit and be connected by transmission line, for data and charge transport.
Solution principle is:
Utilize the distance value between two distance values of a characteristic point when two diverse locations and between another characteristic point and this two positions, to calculate the relative position value under the known coordinate system of two characteristic points in a plane P in conjunction with mathematical equation according to Pythagorean theorem, this known coordinate was the straight line X of these two diverse location points and crossed another point and the coordinate system formed perpendicular to the projection of straight line Y in plane P of straight line X, and these three distance values are the projection value in plane P.
Suppose that on lathe, coordinate is X, Y, Z tri-axle compositions, machine tool chief axis central axial direction is the Z axis of lathe coordinate system, if need adjustment lathe alignment of shafts point relative to workpiece at X, position in Y-axis, only need first to measure machine tool chief axis on the A of position time alignment of shafts point and workpiece on the distance a of characteristic point in XY plane, then by machine tool chief axis along X(or Y) direction of principal axis moves in-position B after a distance D, again measure the lathe alignment of shafts point distance b of characteristic point in XY plane therewith, can according to a, b, D tri-distance values, utilize the formula that Pythagorean theorem is extrapolated in conjunction with mathematical equation
Formula 1
Formula 2
Calculate machine tool chief axis on the B of position time the central point of main shaft and workpiece on position deviation Lx, the Ly of this characteristic point under lathe XY coordinate system, machine operation person utilize these two numerical value of Lx, Ly can accurately machine tool chief axis to be navigated to rapidly on the position of this characteristic point on workpiece (wherein when Lx on the occasion of time, expression need according to moving direction along X(or Y) axle moves main shaft Lx distance, when Lx is negative value, representing need according to the rightabout of moving direction along X(or Y) axle moves main shaft Lx distance).
Accompanying drawing explanation
Fig. 1, Fig. 2, Fig. 3, Fig. 4 are the utility model solution principle figure, wherein Fig. 1, Fig. 2, Fig. 3 be respectively triangular shaped different time solution principle figure, Fig. 4 is the schematic diagrams of position deviation computational methods when locating for machine tool chief axis.
Fig. 5, Fig. 6 are the structural representation of this device in detailed description of the invention 1, and wherein 1 is grip shank, and 2 is display screen, and 3 is the circuit board of Measurement and Data Processing circuit, 4 is laser beam transmitter, and 5 for measuring contact, and 6 is measuring staff, 7 is guide pin bushing, and 8 is return spring, and 9 for keeping pressing plate, 10 for holding grid or grating displacement sensor, and 11 is guide pin bushing, and 12 is body, 13 is transmission line, and 14 is power supply, and 15 is shell, 16 is control button, and 17 for keeping bar, and 18 is the circuit board of displacement measurement circuit.Fig. 7 is to the schematic diagram of axle on workpiece (pin) category feature measurement and schematic diagram when in detailed description of the invention 1, this device is connected with machine tool chief axis, Fig. 8 is to the schematic diagram of workpiece Parapsida pattern measurement and schematic diagram when in detailed description of the invention 1, this device is connected with machine tool chief axis, wherein 5 for measuring contact, 101 is machine tool chief axis, 102 is axle (pin) on workpiece, and 103 is workpiece.
Fig. 9, Figure 10 are the structural representation of this device in detailed description of the invention 2, wherein 1 is grip shank, and 2 is display screen, and 3 is the circuit board of Measurement and Data Processing circuit, 4 is laser beam transmitter, 12 is body, and 13 is transmission line, and 14 is power supply, 16 is control button, 20 for being with the electronic digital display table of data output function, and 21 is retaining sleeve, and 22 is locking nut.
Figure 11 is the structural representation of this device in detailed description of the invention 3, and wherein 30 is micrometer.
Figure 12 is the structural representation of this device in detailed description of the invention 4, and wherein 1 is grip shank, and 12 is body, and 16 is control button, and 40 for being combined with the electronic digital display table of coaxiality deviation measurement function, and 21 is retaining sleeve, and 22 is locking nut.
Figure 13 is the structural representation of this device in detailed description of the invention 5, and wherein 1 is grip shank, and 2 is display screen, and 16 is control button.Figure 14 is that wherein 101 is machine tool chief axis, and 102 is axle (pin) on workpiece, and 103 is workpiece for the schematic diagram that axle on workpiece (pin), hole category feature are measured when in detailed description of the invention 5, this device is connected with machine tool chief axis.
Figure 15 be the structural representation of this device in detailed description of the invention 6 and be connected with machine tool chief axis time to axle on workpiece (pin), hole category feature measure schematic diagram, wherein 1 is grip shank, 2 is display screen, 16 is control button, 50 is laser displacement sensor, 101 is machine tool chief axis, and 102 is axle (pin) on workpiece, and 103 is workpiece.
Figure 16 is the structural representation of this device in detailed description of the invention 7, and wherein 7 is guide pin bushing, and 60 is V-type measurement contact.Figure 17 is the connection of detailed description of the invention 7 devices and machine tool chief axis and the schematic diagram measured workpiece top, line category feature, and wherein 101 is machine tool chief axis, and 103 is workpiece.
Figure 18 be the structural representation of this device in detailed description of the invention 8 and be connected with machine tool chief axis time to workpiece top, line category feature measure schematic diagram, wherein 1 is grip shank, and 12 is body, 7 is guide pin bushing, 60 is V-type measurement contact, and 101 is machine tool chief axis, and 103 is workpiece.
Figure 19 be the structural representation of this device in detailed description of the invention 9 and be connected with machine tool chief axis time to axle on workpiece (pin) category feature measure schematic diagram, wherein 1 is grip shank, 2 is display screen, 8 is return spring, and 12 is body, and 16 is control button, 70 is measuring staff, 101 is machine tool chief axis, and 102 is the axle (pin) on workpiece, and 103 is workpiece.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by several detailed description of the invention, and in conjunction with its accompanying drawing, this programme is set forth (note: in embodiment, workpiece for the sideline of machine tool chief axis location, axle, pin and hole category feature is and machine tool chief axis centerline axis parallel).
Embodiment 1:
Coaxiality deviation measures the measurement that digital display device is applied to axle on workpiece, pin and hole category feature, the outer relative displacement numerical value between (interior) disc feature and grip shank central axis of axle on workpiece, pin and hole class is measured by electronic measuring device, and calculation process is carried out to measurement data, the amount of deflection that the central point of the central point and axle, pin and hole class that finally obtain machine tool chief axis is fastened in machine coordinates, and show on a display screen.Coaxiality deviation measures that digital display device comprises grip shank 1, display screen 2, the circuit board 3 of Measurement and Data Processing circuit, laser beam transmitter 4, measures contact 5, measuring staff 6, guide pin bushing 7, return spring 8, keep pressing plate 9, hold grid or grating displacement sensor 10, guide pin bushing 11, body 12, transmission line 13, power supply 14, shell 15, control button 16, keep the circuit board 18 of bar 17, displacement measurement circuit.Wherein grip shank 1 and body 12 can be integral type or split type and be rigidly connected, and miscellaneous part is installed on body, makes it to hold together.Generating laser 4 can Emission Lasers bundle, wherein laser beam and grip shank 1 central axis conllinear, for the coarse positioning of this device.Guide pin bushing 7, guide pin bushing 11 are fixed on body, and measuring staff 6 can slide in guide pin bushing 7, guide pin bushing 11, and the central axis of measuring staff 6 central axis and grip shank 1 is mutually vertical and be positioned at same plane, and return spring 8 is for the return of measuring staff 6.Hold grid or grating displacement sensor 10 to be fixed on measuring staff 6, and combine with the circuit on the circuit board 18 of displacement measurement circuit and form displacement measurement system (specifically can with reference to existing electronic centigrade scale, amesdial frame for movement and Circuits System).Measuring contact 5 with measuring staff 6 can be monoblock type or split type, measure contact 5 and contact workpiece, mechanical displacement in measuring process is transmitted by measuring staff 6 and be electronic data signals by the circuit on the circuit board 18 that holds grid or grating displacement sensor 10 and displacement measurement circuit by the value of displacement revolution, electronic data signals is transferred to the circuit board 3 of Measurement and Data Processing circuit by transmission line 13, stores distance parameter D and computing formula in the circuit on the circuit board 3 of Measurement and Data Processing circuit:
Formula 1
Formula 2
Displacement electron signal data is gone out result by formulae discovery by Measurement and Data Processing circuit, and result is shown on the display screen 2.Power supply 14 is for supplying the electric power of whole system.Control button 16 is for the step control in measuring process, setting and switching on and shutting down etc.
When coaxiality deviation measures digital display device for measuring, be clamped on machine tool chief axis 101 by grip shank 1, first utilize laser beam transmitter 4 Emission Lasers bundle and be radiated on axle (pin) 102 end face, by machine tool chief axis 101 coarse positioning on the A of position, measurement contact 5 is made to touch axle (pin) 102 periphery, start Survey control button, displacement measurement system starts to record measurement data, manual rotation machine tool chief axis 101, by the cylindrical (ensureing that in measuring process measurement contact 5 contacts all the time with axle (pin) 102 periphery not depart from) measuring contact 5 and measure axle (pin) 102 in machine tool chief axis 360 degree of rotary courses, the displacement maximum obtained will be measured
with minimum of a value
be transferred in Measurement and Data Processing circuit and calculate
, the distance value between the central axis that can obtain machine tool chief axis central axis and axle (pin) 102 on the A of position
, and store for future use.Operation lathe makes machine tool chief axis 101 move a segment distance D along lathe coordinate system X to (or Y-direction), on the B of in-position, start Survey control button, manual rotation machine tool chief axis makes contact 360 degree measure the cylindrical (ensureing that in measuring process measurement contact 5 contacts all the time with axle (pin) 102 periphery not depart from) of axle (pin) 102 again, and in like manner Measurement and Data Processing circuit counting obtains the distance value between the central axis of machine tool chief axis central axis and axle (pin) 102 on out position B
.Measurement and Data Processing circuit utilizes a, b, D value and stores formulae discovery and obtains the central axis of machine tool chief axis 101 on out position B and the amount of deflection Lx of central axis in lathe coordinate system X, Y-direction, the Ly of axle (pin) 102, and show on the display screen 2, thus machine tool chief axis 101 can navigate on the position of axle (pin) 102 according to amount of deflection Lx, Ly by operator.
Embodiment 2:
The electronic digital display table (electronic digital centigrade indicator, Electronic Digital Micrometer) adopting existing band data output function in the present embodiment is measurement mechanism, is applied to the measurement of axle on workpiece, pin and hole category feature.Comprise grip shank 1, display screen 2, the circuit board 3 of Measurement and Data Processing circuit, laser beam transmitter 4, body 12, transmission line 13, power supply 14, control button 16, digital display meter 20, retaining sleeve 21, locking nut 22.Wherein grip shank 1 and body 12 can be integral type or split type and be rigidly connected, and miscellaneous part is installed on body, makes it to hold together.Laser beam transmitter 4 can Emission Lasers bundle, wherein laser beam and grip shank 1 central axis conllinear, for the coarse positioning of this device.Body 12 there is installing hole, the central axis of installing hole and the central axis of grip shank 1 are mutually vertical and be positioned at same plane, digital display meter 20 utilizes retaining sleeve 21 and locking nut 22 to be fixedly installed on body 12 by the installing hole on body 12, the data that digital display meter 20 is measured are transferred to the circuit board 3 of Measurement and Data Processing circuit by transmission line 13, store distance parameter D and computing formula in the Measurement and Data Processing circuit of the circuit board 3 of Measurement and Data Processing circuit:
Formula 1
Formula 2
Displacement electron signal data is gone out result by formulae discovery by Measurement and Data Processing circuit, and result is shown on the display screen 2.Power supply 14 is for supplying the electric power of whole system.Control button 16 is for the step control in measuring process, setting and switching on and shutting down etc.When in the present embodiment, coaxiality deviation measures digital display device for measuring, measuring method reference implementation mode 1.
Embodiment 3:
Adopt existing micrometer to count electronic measuring device in the present embodiment, be applied to the measurement of axle on workpiece, pin and hole category feature, structure composition in concrete structure composition reference implementation mode 2, unique difference is that digital display meter 20 is replaced by micrometer 30.When in the present embodiment, coaxiality deviation measures digital display device for measuring, measuring method reference implementation mode 1.
Embodiment 4:
In the present embodiment, section components in embodiment 2 is comprised display screen 2, the circuit board 3 of Measurement and Data Processing circuit, transmission line 13, power supply 14, control button 16 be combined with existing electronic digital display table internal circuitry, and by making existing electronic digital display table realize function of the present utility model with the combination of grip shank 1, body 12, be applied to the measurement of axle on workpiece, pin and hole category feature.Device comprises grip shank 1, body 12, retaining sleeve 21, locking nut 22 and is combined with the electronic digital display table 40 of coaxiality deviation measurement function.Wherein grip shank 1 and body 12 can be integral type or rigidly connected split type.Body 12 there is installing hole, the central axis of installing hole and the central axis of grip shank 1 are mutually vertical and be positioned at same plane, utilize retaining sleeve 21 and locking nut 22 to be fixedly installed on body 12 by the installing hole on body 12 with there being the electronic digital display table 40 of coaxiality deviation measurement function.When in the present embodiment, coaxiality deviation measures digital display device for measuring, measuring method reference implementation mode 1.
Embodiment 5:
In the present embodiment, the measuring staff of measurement mechanism is changed to lever form by straight-bar form, be applied to the measurement of axle on workpiece, pin and hole category feature.Measuring system concrete structure can with reference to existing electronic digital display lever indicator, and with existing digital display lever meter technology difference for increase grip shank 1, inside circuit increases Measurement and Data Processing circuit and the control button 16 for measuring.Wherein grip shank 1 and lever meter body can be integral type or split type and be rigidly connected, the central axis of grip shank 1 is arranged in the plane measured lever and formed by contact center point at rotary course, stores distance parameter D and computing formula in Measurement and Data Processing circuit:
Formula 1
Formula 2
Displacement electron signal data is gone out result by formulae discovery by Measurement and Data Processing circuit, and result is shown on the display screen 2.When in the present embodiment, coaxiality deviation measures digital display device for measuring, measuring method reference implementation mode 1.
Embodiment 6:
In the present embodiment, the measurement mechanism of coaxiality deviation measurement digital display device adopts existing laser displacement sensor, is applied to the measurement of axle on workpiece, pin and hole category feature.Part-structure in reference implementation mode 1, comprises grip shank 1, display screen 2, the circuit board 3 of Measurement and Data Processing circuit, body 12, transmission line 13, power supply 14, control button 16, laser displacement sensor 50.Wherein grip shank 1 and body 12 can be integral type or split type and be rigidly connected.Miscellaneous part is installed on body, makes it to hold together.Laser displacement sensor 50 is fixed on body 12, the displacement data signal of sensor measurement is transferred to the circuit board 3 of Measurement and Data Processing circuit by transmission line 13, store distance parameter D and computing formula in the Measurement and Data Processing circuit of the circuit board 3 of Measurement and Data Processing circuit:
Formula 1
Formula 2
Displacement electron signal data is gone out result by formulae discovery by Measurement and Data Processing circuit, and result is shown on the display screen 2.Power supply 14 is for supplying the electric power of whole system.Control button 16 is for the step control in measuring process, setting and switching on and shutting down etc.When in the present embodiment, coaxiality deviation measures digital display device for measuring, measuring method reference implementation mode 1.
Embodiment 7:
In the present embodiment, coaxiality deviation measures the measurement that digital display device can be applicable to axle on workpiece, pin and workpiece top, line category feature.Apparatus structure reference implementation mode 1, difference changes to V-type measure contact 60 for measuring contact 5, makes the measurement that it can realize axle class on workpiece and limit, line category feature.Wherein V-type measure contact 60 be moved into contact completely with guide pin bushing 7 do not move time, be zero position, now measuring system can realize displacement data zero.The spacing measuring contact 60 summit and grip shank central axis in zero position V-type is known C, and has been stored in Measurement and Data Processing circuit.Coaxiality deviation measures digital display device on workpiece when axle, the measurement of pin category feature, measuring method reference implementation mode 1.Coaxiality deviation is measured digital display device and is used for workpiece top, during the measurement of line category feature, first V-type is measured contact 60 and move to zero position and setting device measurement data zero, then device is clamped on machine tool chief axis 101 by grip shank 1, mobile machine tool main shaft to V-type measures the A position that contact 60 can touch a sideline on workpiece, make sideline and V-type measure contact 60 summit to fit, the distance a on workpiece between this sideline and machine tool chief axis central axis can be calculated according to measurement gained distance values and known distance C Measurement and Data Processing circuit, and store for future use.Operation lathe makes machine tool chief axis 101 move along lathe coordinate system X to (or Y-direction) on a segment distance D in-position B, again in like manner measure the distance b on workpiece between this sideline and machine tool chief axis central axis on B point, Measurement and Data Processing circuit utilizes and stores formula and can to calculate on the central axis of machine tool chief axis 101 on B point position and workpiece this sideline at lathe coordinate system X, amount of deflection Lx in Y-direction, Ly, and show on the display screen 2, thus operator can according to amount of deflection Lx, machine tool chief axis 101 navigates on the position in this sideline on workpiece by Ly.
Embodiment 8:
In the present embodiment, coaxiality deviation measures the measurement that digital display device can be applicable to workpiece top, line category feature.Apparatus structure reference implementation mode 1, difference changes to V-type measure contact 60 for measuring contact 5, makes the measurement that it can realize workpiece top, line category feature.Without generating laser 4, main body 12 shape changes to some extent, wherein V-type measure contact 60 be moved into contact completely with guide pin bushing 7 do not move time, be zero position, now measuring system can realize displacement data zero.The spacing measuring contact 60 summit and grip shank central axis in zero position V-type is known C, and has been stored in Measurement and Data Processing circuit.In the present embodiment coaxiality deviation measure digital display device be used for workpiece top, line category feature measurement time, measuring method reference implementation mode 7.
Embodiment 9:
In the present embodiment, coaxiality deviation measures the measurement that digital display device can be applicable to axle on workpiece, pin and workpiece top, line category feature.Part-structure in reference implementation mode 1, comprises grip shank 1, display screen 2, the circuit board 3 of Measurement and Data Processing circuit, measuring staff 70, return spring 8, displacement transducer 10, body 12, power supply 14, control button 16, wherein grip shank 1 and body 12 can be integral type or split type and be rigidly connected, miscellaneous part is installed on body, makes it to hold together.Measuring staff 70 can slide in body 12, and return spring 8 is for the return of measuring staff 70.Appearance grid or grating displacement sensor 10 are fixed on measuring staff 6, measuring staff 70 head is with measurement contact, mechanical displacement in measuring process is transmitted through measuring staff 6 and be electronic data signals by displacement transducer 10 by the value of displacement revolution, when not measuring, measuring staff 70 head measurement contact is positioned on zero position under the effect of return spring 8, now displacement transducer 10 numerical value can be made zero, and stores axle (pin) diameter parameters d, distance parameter D and computing formula in the circuit board 3 of Measurement and Data Processing circuit:
Formula 1
Formula 2
Wherein d value can carry out setting adjustment by control button 16, and displacement electron signal data is gone out result by formulae discovery by Measurement and Data Processing circuit, and result is shown on the display screen 2.Power supply 14 is for supplying the electric power of whole system.Control button 16 is for the step control in measuring process, setting and switching on and shutting down etc.When coaxiality deviation measures digital display device for the measurement of axle (pin) category feature in the present embodiment, adjust d value size by control button 16, make d value equal measured axis (pin) diameter.Before measurement, measuring staff 60 head measurement contact is positioned on zero position, is made zero by displacement transducer 10 numerical value.Then device is clamped on machine tool chief axis 101 by grip shank 1, on mobile machine tool main shaft to workpiece, axle (pin) is in the A position in the measurement category of measuring staff 60, measure contact with the inner edge of measuring staff 60 head and measure axle (pin), press control button 16 to start to measure, when measuring, rotate the minimum of a value that adjustment lathe main shaft angle makes to obtain measuring numerical value, circuit board 3 chips of Measurement and Data Processing circuit collects minimum measured value
, can utilize
calculate
and store for future use, operation lathe make machine tool chief axis 101 along lathe coordinate system X to (or Y-direction) a mobile segment distance D, on the B of in-position, again in like manner measure B position
value, Measurement and Data Processing circuit utilizes and stores formula and can calculate this axle (pin) amount of deflection Lx in lathe coordinate system X, Y-direction, Ly on the central point of machine tool chief axis 101 on B point position and workpiece, and show on the display screen 2, thus machine tool chief axis 101 can navigate on the position of this axle (pin) on workpiece according to amount of deflection Lx, Ly by operator.Coaxiality deviation measure digital display device be used for workpiece top, line category feature measurement time, diameter parameters d is set to 0.
Claims (3)
1. a coaxiality deviation measures digital display device, critical piece comprises electronic measuring device, Measurement and Data Processing circuit, display screen, power supply, grip shank and apparatus main body, wherein electronic measuring device, grip shank, apparatus main body three parts, can be the individual components that separates separately and be rigidly connected between three, can be that any two parts are combined as a whole and are rigidly connected with the 3rd parts, can be three are combined into one; The parts such as Measurement and Data Processing circuit, display screen, power supply are directly or indirectly connected on apparatus main body, make it to hold together; Measurement and Data Processing circuit measures the data of gained for storing and calculate electronic measuring device, the circuit of Measurement and Data Processing circuit and electronic measuring device can be combined as a whole, and also can be two independent circuit and be connected by transmission line; Control button is comprised in Measurement and Data Processing circuit; Display screen is used for the data result that display measurement data processing circuit exports; Power supply is used for the power supply of device electric component, can adopt device internal battery powers, also can adopt external power source; It is characterized in that: electronic measuring device, Measurement and Data Processing circuit, display screen, grip shank combine.
2. coaxiality deviation according to claim 1 measures digital display device, it is characterized in that: electronic measuring device is the device can measured displacement or distance and measured value is converted into electronic signal.
3. coaxiality deviation according to claim 1 measures digital display device, it is characterized in that: electronic measuring device is the device can measured relative displacement on workpiece between point, line, surface feature and grip shank central axis or distance and measured value is converted into electronic signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772652A (en) * | 2014-12-01 | 2015-07-15 | 鲁玉琼 | Coaxiality deviation measurement digital display device and position deviation calculation method |
| CN109945789A (en) * | 2019-04-08 | 2019-06-28 | 安庆帝伯粉末冶金有限公司 | A kind of valve guide bushing dimensional inspection device |
| CN111250802A (en) * | 2020-02-28 | 2020-06-09 | 重庆机床(集团)有限责任公司 | Double-station machine tool workpiece spindle positioning method and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772652A (en) * | 2014-12-01 | 2015-07-15 | 鲁玉琼 | Coaxiality deviation measurement digital display device and position deviation calculation method |
| CN109945789A (en) * | 2019-04-08 | 2019-06-28 | 安庆帝伯粉末冶金有限公司 | A kind of valve guide bushing dimensional inspection device |
| CN109945789B (en) * | 2019-04-08 | 2024-05-28 | 安庆帝伯粉末冶金有限公司 | Valve guide pipe size inspection device |
| CN111250802A (en) * | 2020-02-28 | 2020-06-09 | 重庆机床(集团)有限责任公司 | Double-station machine tool workpiece spindle positioning method and device |
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