CN105841637B - Machine tool drive chain detection device and detection method - Google Patents
Machine tool drive chain detection device and detection method Download PDFInfo
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- CN105841637B CN105841637B CN201610156087.0A CN201610156087A CN105841637B CN 105841637 B CN105841637 B CN 105841637B CN 201610156087 A CN201610156087 A CN 201610156087A CN 105841637 B CN105841637 B CN 105841637B
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- angular displacement
- displacement sensor
- workbench
- stator
- machine tool
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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Abstract
The invention discloses a kind of machine tool drive chain detection device, it includes knife bar angular displacement sensor and workbench angular displacement sensor, and knife bar angular displacement sensor and workbench angular displacement sensor are connected to revolution transmission accuracy measuring instrument.The stator of workbench angular displacement sensor is mounted in the centre bore of a disc leaf spring and both are concentric, the edge part of leaf spring is fixed on the fuselage of lathe by Magnetic gauge stand, and workbench angular displacement sensor is supported by sensor base and its rotor is rotated coaxially with platen and is connected.The invention also discloses a kind of machine tool drive chain detection method.The present invention solves：1st, workbench angular displacement sensor stator finds satisfactory the problem of installing position location in difficulty on lathe, avoids destruction of the frock to lathe of fixed stator, shortens the time of installation；2nd, the problem of angular displacement sensor is in indexable measurement process repeatedly, and the front stator of each measurement needs repeated disassembled and assembled to clamp, improves measurement accuracy and the convenience operated.
Description
Technical field
The present invention relates to precision machine tool field, is specifically a kind of machine tool drive chain detection device and detection method.
Background technology
The detection present situation of the mechanical drive trains such as current related gear making machine (rolling, insert, grind), worm gear, gear-box is：Using
Transmission accuracy measuring instrument is turned round, round induction synchrometer formula machine tool drive precision measurer, is passing as disclosed in 86210172 U of CN
An angular displacement sensor (grid, grating, magnetic grid, encoder when such as) is respectively installed in dynamic first-in-chain(FIC) end, its rotor is same with driving member
Step revolution.Wherein, the stator of angular displacement sensor must be relatively fixed, and can never be rigidly fixed, and otherwise stator, rotor will be because
Center displacement and axial displacement during to install produce strength and pull, and bring especially big measurement error, or even be damaged.The problem is outstanding
Its more aobvious protrusion on the extra-high driving-chain of big speed ratio, required precision, such as worm transmission pair, gear-hobbing machine, gear shapping machine, screw vehicle
Bed etc..For this reason, forefathers have made substantial amounts of work：Wherein Czech Si Tepannike and Shanghai Machine Tool Plant HYQ010A are ground jointly
The parallel steel band method (IMOS) of hair is totally repudiated；In the CYQ003 instruments that Czech TOCNMO and Chongqing Machine Tool Factory research and develop jointly
Using six spring structures, though more than ten years are affirmed by market, must frequent clamping again, remeasure, verify again, there is shakiness eventually
Part, very big inconvenience is brought to user；German OPTON company models be GPG05 machine tool drive precision measurer simply
German HANDHAIN gratings are employed, which is to be mounted with shaft coupling between rotor stator, it is desirable to rotor and stator installation
Nonconcentricity≤0.02mm, axial displacement deviation≤± 0.1mm, GPG05 measuring instruments directly give this installation requirement to use
Family is settled a dispute by the parties concerned themselves, therefore when user uses this instrument, to survey a kind of lathe must just manufacture and design a set of frock, to user with
Carry out greatly inconvenience.These incomplete detection means constrain development of China's gear making machine in precision.
The content of the invention
It is an object of the invention to provide a kind of machine tool drive chain detection device and detection method, it can solve driving-chain
The installation question of the stator of angular transducer in detection, and can solve the problems, such as that repeatedly indexing improves measurement accuracy to sensor.
Technical scheme is as follows：
A kind of machine tool drive chain detection device, including the knife bar angular displacement sensor of measurement lathe knife bar rotation angle and survey
Measure the workbench angular displacement sensor of platen rotation angle, knife bar angular displacement sensor and workbench angular displacement sensor
It is connected to single-revolution transmission accuracy measuring instrument.The stator of workbench angular displacement sensor is mounted in a disc leaf spring and both
With one heart, the edge part of leaf spring is fixed on the fuselage of lathe by Magnetic gauge stand, and workbench angular displacement sensor is by a sensor
Support base supports and its rotor is rotated coaxially with platen and is connected.
Further, the workbench bolt of sensor support base and lathe is fixed, and sensor support base has one to erect
Vertical mandrel, the rotor of workbench angular displacement sensor is fixed on mandrel top and both are coaxial, and end face is provided with mandrel
Bearing, the stator of the ball support workbench angular displacement sensor of end face bearing.
Further, sensor support base includes the connecting base plate positioned at lower end, and connecting base plate is equipped with perforative up and down
Connecting hole, connecting hole are angularly uniformly distributed around mandrel, connecting base plate by connecting hole installation bolt be coaxially fixed on
On platen.
Further, sensor support base includes the pallet being fixedly mounted on mandrel, and end face bearings are in pallet
On.
Further, shaft coupling built in workbench angular displacement sensor, is connected between its stator and rotor by shaft coupling.
Further, leaf spring is held between two Magnetic gauge stands, two Magnetic gauge stand relative to platen central shaft
Symmetrically.
Further, the edge part of leaf spring be equipped with four for Magnetic gauge stands clamping rectangle jaws, jaw opening outwardly, phase
Center between two adjacent jaws with respect to leaf spring is in 90 degree of angles.
Present invention also offers a kind of machine tool drive chain detection method, it includes the following steps：
1. installment work platform angular displacement sensor and knife bar angular displacement sensor, debugging revolution transmission accuracy measuring instrument makes it
Initialization.
2. determine that relative to the position of lathe fuselage, work is realized by rotating leaf spring for the stator of workbench angular displacement sensor
Make the stator of corner of table displacement sensor relative to bed piece indexing for several times, once restart platen and knife per indexing
Bar once, and detects the transmission accuracy of a machine tool drive chain.
3. detection is completed, dismounting Magnetic gauge stand, workbench angular displacement sensor and knife bar angular displacement sensor.
Further, step 2. in, 0 °, 90 °, 180 ° and 270 ° of the indexing successively of the stator of workbench angular displacement sensor,
The precision of four measurement lathes.
Detection device provided by the invention is using Magnetic gauge stand come the basis of the stator of stationary work-table angular displacement sensor
Part, and the connecting piece of disc leaf spring as the stator of Magnetic gauge stand and workbench angular displacement sensor between the two is used, one
Aspect, the stand end of Magnetic gauge stand can be firmly adsorbed on the fuselage of lathe, it is not necessary to extra connection structure, absorption position
Energy free variation, had not only facilitated self structure that is general, but also will not destroying lathe；On the other hand, since leaf spring is disc, in work
When making the stator of corner of table displacement sensor needs indexing, it is not necessary to dismantle leaf spring, in the case that leaf spring is constant at center, appoint
Meaning rotation can be seen as not rotating, as long as keeping Magnetic gauge stand and its clip position constant, then magnetic after stator switchs to
The bare terminal end clamping leaf spring of gauge stand can be considered as that both relative positions are constant, be easy for the clamping bias one for meeting Magnetic gauge stand
Fixed, the rotor of workbench angular displacement sensor and the axial displacement deviation and nonconcentricity of stator remain at claimed range
It is interior.Thus, solve：1st, workbench angular displacement sensor stator hardly possible on lathe finds satisfactory installation position location
Problem, avoids destruction of the installation stator to lathe, shortens the time of installation；2nd, angular displacement sensor is in indexing measurement repeatedly
During, the problem of front stator of each measurement needs repeated disassembled and assembled to clamp, improve measurement accuracy and the convenience operated.
In addition, this detection device is different from the prior art to the supporting structure of workbench angular displacement sensor, employ
End face bearing reaches to workbench angular displacement sensor without friction support.The supporting structure is simple, and platen turns
The dynamic stator for not interfering with sensor.And jaw is set in leaf spring, it can both indicate that stator and leaf spring turn relative to bed piece
Dynamic angle, and facilitate Magnetic gauge stand to clamp, make the bare terminal end of Magnetic gauge stand and the clamping stable and consistent of leaf spring.Work as transmission accuracy
Detection is completed, and after Magnetic gauge stand is dismantled, the bolt that dismantling connection chassis is fixed on platen can conveniently unload this
Detection device.
Detection method provided by the invention, exempts the measurement error that angular transducer repeated disassembled and assembled is brought, and passes through four times
Indexing measurement, so as to driving-chain precision that is accurate, easily and quickly measuring lathe.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of specific embodiment of detection device of the present invention；
Fig. 2 is the structure diagram of leaf spring in Fig. 1；
Fig. 3 is the system block diagram of revolution transmission accuracy measuring instrument；
Fig. 4 is the software processing block diagram of revolution transmission accuracy measuring instrument.
In figure：1- workbench angular displacement sensors；2- leaf springs；3- Magnetic gauge stands；4- end faces bearing；20- platens；
The stator of 101- workbench angular displacement sensors；The rotor of 102- workbench angular displacement sensors；103- shaft couplings；104- connections
Chassis；105- mandrels；106- pallets；107- bolts；201- jaws.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
A kind of machine tool drive chain detection device, for detecting lathe driving-chain transmission accuracy.
This detection device includes knife bar angular displacement sensor, workbench angular displacement sensor 1 and revolution transmission accuracy measurement
Instrument, revolution transmission accuracy measuring instrument carry out the detection of driving error, the system composition of measuring instrument according to synchronous shift comparison principle
As shown in figure 3, its software processing block diagram is as shown in Figure 4.Knife bar angular displacement sensor is installed on the output terminal of lathe knife bar, is used for
Measure the rotation angle of lathe knife bar, the spindle motor trigger shaft (not shown) of lathe.Workbench angular displacement sensor 1 is outstanding to be set
In the surface of platen 20, for measuring the rotation angle of platen 20.Platen 20 and knife bar are synchronous
Rotate, the rotary angle signal measured is delivered to revolution transmission accuracy measuring instrument by above-mentioned two sensors.Lathe works
Platform 20 turns round certain angle every time, and general to turn round four times to improve accuracy of detection, revolution transmission accuracy measuring instrument may finally be counted
Platen 20 and the synchro angle displacement relation of knife bar rotation angle are calculated, so as to obtain the driving-chain transmission accuracy of lathe.
The present invention detection device to be solved be：As the workbench angular displacement sensor 1 of sophisticated sensor, sensor
Difficulty finds satisfactory installation position location on lathe when stator is installed；During indexing measurement repeatedly, survey every time
Before amount, its stator needs indexing clamping repeatedly.Exemplified by using Germany's HANDHAN RON886 gratings, which compiles for angle
Code device, is built-in with shaft coupling 103, during installation, it is desirable to the axial displacement of rotor 102 and stator 101 deviation≤0.1mm, decentraction
Degree≤0.02mm.To solve the installation requirement, detection device of the invention is used as stationary work-table angular displacement using Magnetic gauge stand 3
The basic part of the stator 101 of sensor, using disc leaf spring 2 as Magnetic gauge stand 3 and the connecting piece of stator 101.Such as Fig. 1 institutes
Show, the stator 101 of workbench angular displacement sensor is mounted in a disc leaf spring 2 and both are concentric, the side of disc leaf spring 2
Edge is fixed on the fuselage of lathe by Magnetic gauge stand 3, makes the rotor 102 and platen of workbench angular displacement sensor
20 being capable of coaxial synchronous rotation.In the structure, because the arbitrary coordinate that leaf spring 2 is gone in addition to revolution all can be considered not dynamic,
Clamping bias≤the 0.02mm for meeting each Magnetic gauge stand 3 is easy for, repeatedly indexing measurement is then easily achieved, so that significantly
Improve measurement accuracy, it might even be possible to more than the precision of lenticular product in itself.And Magnetic gauge stand 3 it is generally applicable, it is omnipotent, easily make work
The stator 101 and leaf spring 2 for making corner of table displacement sensor grip, in each release and clamping leaf spring 2, on Magnetic gauge stand 3
Clamper external force is not brought to leaf spring 2, it is ensured that the stator 101 of workbench angular displacement sensor in a free state indexing after
Clamp or loosen again.This detection device avoids destruction of the frock to lathe of fixed stator 101 in the prior art, stator 101
Need not indexing clamping repeatedly.
Workbench angular displacement sensor 1 additionally uses a kind of end face bearing in addition to the support for having leaf spring 2 and Magnetic gauge stand 3
Structure type, as shown in Figure 1, sensor support base have one erect mandrel 105, workbench angular displacement sensor 1
Rotor 102 is fixed on 105 top of mandrel and both are coaxial.A pallet 106 is fixed on the mandrel 105 of sensor support base, is held
Spherical bearing 4 is supported on pallet 106, the stator 101 of the ball support workbench angular displacement sensor 1 of end face bearing 4.With it is general
Bearing is used to solve fixed position and the concentric connection of motion parts is different, which is used on the table smoothly
The stationary part of workbench angular displacement sensor 1 is held, the weight of support workbench angular displacement sensor 1, makes work corner of table position
Displacement sensor 1 can be as suspending in the air, even if stator 101 does not rotate, platen 20 rotates, due to end face axis
Hold 4 ball it is minimum to the frictional force of workbench angular displacement sensor 1, stator 101 is also hardly by some frictional influences.
Connecting base plate 104 is equipped with upper and lower perforative connecting hole, and connecting hole is angularly uniformly distributed around mandrel 105, is ensured
Attachment force is balanced, connecting base plate 104 by connecting hole installation bolt 107 be coaxially fixed on platen 20, examining
After the completion of survey, this detection device can be separated platen 20 by demounting bolt 107.
Opposite two edge of disc leaf spring 2 are clamped by the bare terminal end of Magnetic gauge stand 3, with the central shaft of platen 20
Symmetrically.For convenience of clamping and indexing, the edge part of leaf spring 2 is equipped with four rectangle jaws 201 for Magnetic gauge stand clamping, jaw
Outwardly, the center between two adjacent jaws 201 with respect to leaf spring is in 90 degree of angles to 201 openings.
The detection device that corresponding above-described embodiment provides, present invention also offers a kind of detection method of machine tool drive chain,
It includes the following steps：
1. installment work platform angular displacement sensor and knife bar angular displacement sensor, debugging revolution transmission accuracy measuring instrument makes it
Initialization；
2. determine that relative to the position of lathe fuselage, work is realized by rotating leaf spring for the stator of workbench angular displacement sensor
Make the stator of corner of table displacement sensor relative to bed piece indexing for several times, once restart platen and knife per indexing
Bar once, and detects the transmission accuracy of a machine tool drive chain；
3. detection is completed, dismounting Magnetic gauge stand, workbench angular displacement sensor and knife bar angular displacement sensor.
Above-mentioned steps 2. in, 0 °, 90 °, 180 ° and 270 ° of the indexing successively of the stator 101 of workbench angular displacement sensor 1,
The precision of four measurement lathes improves the reliability of testing result.Even more repeatedly measurement, to improve instrument long-period error
Measurement accuracy.In theory, precision can be improvedTimes, n is indexable number.
Claims (8)
1. a kind of machine tool drive chain detection device, including the knife bar angular displacement sensor of measurement lathe knife bar rotation angle and measurement
The workbench angular displacement sensor of platen rotation angle, knife bar angular displacement sensor and workbench angular displacement sensor connect
It is connected to single-revolution transmission accuracy measuring instrument, it is characterised in that：The stator of workbench angular displacement sensor is mounted in a disc piece
In the centre bore of spring and both are concentric, and the edge part of leaf spring is fixed on the fuselage of lathe by Magnetic gauge stand, work corner of table position
Displacement sensor is supported by a sensor support base and its rotor is rotated coaxially with platen and is connected；The disc leaf spring
Opposite two edge clamped by the bare terminal end of Magnetic gauge stand, with the substantially symmetrical about its central axis of platen；The sensor support bottom
Seat tool has the mandrel of a setting, and the rotor of workbench angular displacement sensor is fixed on mandrel top and both are coaxial, sensor branch
Support and a pallet is fixed on the mandrel of base, for end face bearings on pallet, the ball of end face bearing supports workbench angular displacement
The stator of sensor.
2. the machine tool drive chain detection device according to claim 1, it is characterised in that：Sensor support base and lathe
Workbench bolt fix.
3. the machine tool drive chain detection device according to claim 1, it is characterised in that：Sensor support base includes position
Connecting base plate in lower end, connecting base plate are equipped with upper and lower perforative connecting hole, and connecting hole is angularly uniformly distributed around mandrel, even
Connect chassis by connecting hole installation bolt be coaxially fixed on platen.
4. the machine tool drive chain detection device according to claim 1, it is characterised in that：In workbench angular displacement sensor
Shaft coupling is put, is connected between its stator and rotor by shaft coupling.
5. the machine tool drive chain detection device according to claim 1, it is characterised in that：The edge part of leaf spring is equipped with four
For the rectangle jaw of Magnetic gauge stand clamping, outwardly, the center between two adjacent jaws with respect to leaf spring is in 90 degree to jaw opening
Angle.
6. the machine tool drive chain detection device according to any one in claim 1 to 5, it is characterised in that：Workbench
Angular displacement sensor after leaf spring installation with being integral formula structure.
7. the detection method that a kind of machine tool drive chain detection device using any one of claim 1 to 6 carries out,
It is characterised in that it includes following steps：
1. installment work platform angular displacement sensor and knife bar angular displacement sensor, debugging revolution transmission accuracy measuring instrument makes its initial
Change；
2. determine that relative to the position of lathe fuselage, workbench is realized by rotating leaf spring for the stator of workbench angular displacement sensor
The stator of angular displacement sensor for several times, once restarts platen and knife bar one relative to bed piece indexing per indexing
It is secondary, and detect the transmission accuracy of a machine tool drive chain；
3. detection is completed, dismounting Magnetic gauge stand, workbench angular displacement sensor and knife bar angular displacement sensor.
8. the detection method that machine tool drive chain detection device according to claim 7 carries out, it is characterised in that：Step is 2.
In, stator 0 °, 90 °, 180 ° and 270 ° of the indexing successively of workbench angular displacement sensor, the biography of four measurement lathe driving-chains
Dynamic precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156087.0A CN105841637B (en) | 2016-03-18 | 2016-03-18 | Machine tool drive chain detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156087.0A CN105841637B (en) | 2016-03-18 | 2016-03-18 | Machine tool drive chain detection device and detection method |
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| CN105841637B true CN105841637B (en) | 2018-05-11 |
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| CN201610156087.0A Active CN105841637B (en) | 2016-03-18 | 2016-03-18 | Machine tool drive chain detection device and detection method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106568398A (en) * | 2016-11-15 | 2017-04-19 | 北京北机床股份有限公司 | Swing axle revolution precision measure method of pivot angle head and similar type product |
| CN107339971B (en) * | 2017-07-27 | 2023-07-07 | 天津工程机械研究院有限公司 | Dynamic self-adaptive angle measuring device |
| CN107844119A (en) * | 2017-12-14 | 2018-03-27 | 中国计量大学 | Visual guidance method and visual guidance car based on space-time conversion |
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|---|---|---|---|---|
| CN86210172U (en) * | 1986-12-08 | 1987-09-12 | 山东工业大学 | Circular induction synchronizism device type measuring instrument for driving accuracy of machine |
| CN102322450A (en) * | 2011-09-07 | 2012-01-18 | 杭州微光电子股份有限公司 | Horizontal fan blade balancing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002267492A (en) * | 2001-03-13 | 2002-09-18 | Japan Servo Co Ltd | Magnetic pole position detector and its manufacturing method |
| US20040217758A1 (en) * | 2003-05-02 | 2004-11-04 | Leonard John R. | Electromagnetic shaft position sensor and method |
-
2016
- 2016-03-18 CN CN201610156087.0A patent/CN105841637B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210172U (en) * | 1986-12-08 | 1987-09-12 | 山东工业大学 | Circular induction synchronizism device type measuring instrument for driving accuracy of machine |
| CN102322450A (en) * | 2011-09-07 | 2012-01-18 | 杭州微光电子股份有限公司 | Horizontal fan blade balancing device |
Non-Patent Citations (2)
| Title |
|---|
| 时栅位移传感器原理与发展历程;彭东林等;《重庆理工大学学报》;20101031;第24卷(第10期);第40-45页 * |
| 用于极端和特殊条件下机械传动误差检测的寄生式时栅研究;彭东林等;《仪器仪表学报》;20130228;第34卷(第2期);第359-365页 * |
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