CN105598534B - A kind of worm gear transmission accuracy clinical test apparatus and detection method - Google Patents
A kind of worm gear transmission accuracy clinical test apparatus and detection method Download PDFInfo
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- CN105598534B CN105598534B CN201610158332.1A CN201610158332A CN105598534B CN 105598534 B CN105598534 B CN 105598534B CN 201610158332 A CN201610158332 A CN 201610158332A CN 105598534 B CN105598534 B CN 105598534B
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- erecting bed
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- base
- worm screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
- B23F23/1218—Checking devices for controlling workpieces in machines for manufacturing gear teeth
Abstract
The invention discloses a kind of worm gear transmission accuracy clinical test apparatus, its turntable for including installing worm gear and the frock of installation worm screw, the worm gear angular displacement sensor of the detection worm gear anglec of rotation is installed in turntable, the worm screw angular displacement sensor of the detection worm screw anglec of rotation is installed in frock, worm gear angular displacement sensor and the output of worm screw angular displacement sensor are connected with worm gear detector, frock has bracket, slide plate and a pair of back dead centres for supporting worm screw both ends above bracket, bracket is provided with motor, motor driving has gear transmission group, the rotor of worm screw angular displacement sensor and end gear are coaxial, synchronous axial system is to measure the anglec of rotation of worm screw；Turntable includes the erecting bed and base that can be relatively rotated, and the rotor coaxial of angular displacement sensor is arranged on the projection of erecting bed, and stator is connected with base.The invention also discloses a kind of worm gear transmission accuracy clinical testing procedure.The present invention solves the problems, such as the transmission accuracy clinical detection of worm gear.
Description
Technical field
The present invention relates to worm gear detection field, specifically a kind of worm gear transmission accuracy clinical test apparatus and detection side
Method.
Background technology
The general program of current worm gear processing is：In spiral case making lathe（Gear-hobbing machine）Upper machining worm wheel, ground in worm screw
Machining worm on bed, then by worm gear, worm screw on special worm gear somascope match grinding contact surface, detect transmission accuracy and difference of circular pitch
Deng.
The worm and gear meshing device as disclosed in the A of CN 102435432, it realizes big worm gear, snail using second-hand gear-hobbing machine
Bar engages the worm and gear meshing device of condition detection, and it includes second-hand gear-hobbing machine, and worm screw frock is arranged on the big method of second-hand gear-hobbing machine
Lan Shang, the integral installation of worm gear frock position on second-hand gear hobbing machine base and with axle center.The technical scheme can no doubt be realized greatly
Worm gear, worm engaging situation inspection, but equipment manufacturing cost is high, and medium-sized and small enterprises' buying is difficult, is unfavorable for promoting.
Therefore, the A of CN 103213032, which disclose a kind of worm gear, engages high-precision synthetic inspection tester, it is in workbench
The horizontal linear guide rail of two longitudinal directions is installed, assembly pedestal is slidably connected on horizontal linear guide rail and is connected with horizontal rolling on face
Ballscrew, the detection device assembly are made up of worm screw fixture cross beam, worm screw frock, and turbine is there is also mounted on horizontal linear guide rail
Base, clearance measurement table and dial gauge are connected with turbine base.The somascope be not only able to accurately detect out worm gear centre-to-centre spacing,
The sideshake deviation of field of conjugate action situation and worm gear, also solving traditional somascope can not engagement of the inspection center away from larger worm gear
With detecting step it is troublesome the problem of.
But in instrument disclosed in above-mentioned patent document, very large worm gear need to repeatedly be carried, installs, corrected in detection process
Deng, it is not only very troublesome, especially influence overall precision to the end.And the overall precision of worm gear should also contain worm gear
Transmission accuracy.And in the A of CN 103213032, directly drive worm screw to rotate by shaking handwheel or motor, worm and wheel is nibbled
Close transmission, this detection process of no transmission accuracy.These incomplete detection means, make the current worm gear production precision one in China
As only below the class precisions of worm gear standard GB/T 10089-88 five, had a strong impact on China's worm gear precision entirety water
Flat raising, constrain development of China's worm gear in precision.
The content of the invention
It is an object of the invention to provide a kind of worm gear transmission accuracy clinical test apparatus and detection method, and it can be solved
The alignment error problem that certainly repeatedly installation introduces in worm gear detection process.
Technical scheme is as follows：
A kind of worm gear transmission accuracy clinical test apparatus, including for installing the turntable of worm gear and the work of installation worm screw
Fill, the worm gear angular displacement sensor for detecting the worm gear anglec of rotation is installed in turntable, is provided with frock for detecting snail
The bar anglec of rotation
Worm screw angular displacement sensor, worm gear angular displacement sensor and worm screw angular displacement sensor output be connected with worm gear inspection
Survey instrument, between turntable and frock can tangential displacement worm and wheel is engaged.The frock has bracket, above bracket
Slide plate and be used to for a pair support the back dead centre at worm screw both ends, wherein back dead centre one is fixed on bracket, and back dead centre two is fixed on
On the spindle motor bracket of lathe, slide plate can be slided to adjust the distance between back dead centre one and back dead centre two；Bracket is set
There is motor, motor driving has gear transmission group, driving lever component, driving lever are fixed with the end gear of gear drive group
Component drives worm screw to rotate and makes that worm screw and end gear be coaxial, synchronous axial system, and the stator of worm screw angular displacement sensor is fixed on
On bracket, the rotor of worm screw angular displacement sensor and end gear are coaxial, synchronous axial system is to measure the anglec of rotation of worm screw；It is described
Turntable includes the erecting bed and base that can be relatively rotated, and erecting bed is used to connect worm gear and is connected to base, in erecting bed
Center portion has projection directed downwardly, and projection and erecting bed, base are coaxial, and the rotor coaxial of the angular displacement sensor is arranged on projection
On, stator and the base of angular displacement sensor are connected；Centripetal thrust force is also equipped with projection between erecting bed and base
Bearing, radial thrust bearing support erecting bed and the axiality of holding erecting bed and base.
Further, the gear drive group includes the top gear being connected with motor, top gear and the end
Hold direct geared ratcheting, the centre bore of end gear is arranged on by bearing one on the installation cylinder of bracket side wall evagination, worm screw
The rotor of angular displacement sensor is fixed on installation cylinder by bearing two；Driving lever component includes being vertically fixed on end gear
The second driving lever and one end the first fixed driving lever vertical with the second driving lever on end face, the other end of the first driving lever are cased with ring set,
Ring set is interspersed to be fixed in the bar portion of worm screw.
Further, the base has centre bore for the cavity body structure of lower ending opening and upper end, and the bottom of projection is worn
Cross the centre bore to be located in the cavity of base, the rotor of worm gear angular displacement sensor is fixed on bottom and the stator of projection
It is fixedly connected on the upper end bottom surface of base；Groove is located at the outside of radial thrust bearing；The upper surface of base is equal around central shaft
Several grooves are furnished with, these grooves are circumferentially distributed, and south poles and turntable axially magnet in the same direction are provided with groove, magnet
Length is more than the distance between erecting bed bottom surface and base upper surface.
Further, the erecting bed is provided with about three through holes run through, and three through holes are uniformly distributed in center of circle position
In on the circumference on erecting bed central shaft, the upper end of through hole is counterbore, and the upper surface of base is provided with the screw thread of corresponding through hole
Detachable in hole, through hole and screwed hole to be provided with a pin, erecting bed can be fixed on base by the pin, pin dismounting
When erecting bed can freely be rotated relative to base.
Further, the bottom of the base has the arc-shaped step outside radially towards cavity, the edge part of arc-shaped step
Six U type grooves for being used for connecting machine tool workbench are evenly equipped with, U type grooves opening is outwardly.
Further, the upper surface of the erecting bed is provided with 12 threaded mounting holes, and these threaded mounting holes uniformly divide
It is distributed on the circumference that the center of circle is located on erecting bed central shaft, threaded mounting hole is located on the inside of through hole, and screwed hole is used for worm gear
Or the mold of worm gear is fixed on erecting bed.
Further, the bracket uses the knife rest bracket of lathe, and the slide plate uses the sliding carriage of lathe.
Further, the built-in shaft coupling of worm gear angular displacement sensor and worm screw angular displacement sensor.
The invention also discloses a kind of worm gear transmission accuracy clinical testing procedure, it comprises the following steps：
1. installing turntable on platen before machine tooling worm gear, the base of turntable is passed through into its U type groove spiral shell
Bolt is fixed on
On platen, make turret base and platen with one heart, synchronous revolving.
2. installing pin, make to be fixed together between the erecting bed of turntable and base.
3. mold, which is installed on the erecting bed of turntable, makes mold be integrally formed with erecting bed, adjusted by mold in worm gear
The height of the heart, worm gear to be processed is installed in mold and adjusts it and turntable is concentric turns round.
4. after the completion of spiral case making, cutter of backing off, changing worm screw frock, back dead centre one is installed on spindle motor bracket
With back dead centre two, the distance between knife rest bracket and spindle motor bracket are adjusted to install worm screw, then the first driving lever is installed.
5. removing the pin between the erecting bed of turntable and base, erecting bed is set freely to be rotated relative to base.
6. follow rest slide plate, adjustment platen position, make worm gear be in optimal engagement position.
7. starting the motor of worm screw frock, driving lever component drives worm screw to rotate, and is adjusted by stirring magnet number
Frictional force between the erecting bed and base of turntable, enables worm screw to drive worm gear and erecting bed smooth rotation.
8. by turntable angular displacement sensor and worm screw angular displacement sensor, the transmission accuracy of worm gear is detected.
9. according to the transmission accuracy situation detected, if desired it is processed further correcting worm gear, then pulls down worm screw and worm screw
It frock, will be fixed between the erecting bed and base of turntable by pin, lathe parameter then adjusted according to transmission accuracy situation, to snail
Wheel set is processed amendment；If accuracy situation meets to require, the processing of worm gear is completed.
The worm screw frock of worm gear transmission accuracy clinical test apparatus in the present invention, solves worm gear and is being driven well
The mounting structure of worm screw in accuracy detection, it supports worm screw by a pair of back dead centres, avoids in worm screw rotation process, support knot
Frictional force between structure and worm screw turns into the resistance that worm screw rotates.It is also low to provide worm screw by the form of motor-driven gear group
The controllable moment of torsion of speed.And the anglec of rotation of worm screw is conveniently measured by the anglec of rotation of angular transducer measurement end gear,
It is convenient for measuring the anglec of rotation of worm screw.The turntable of worm gear transmission accuracy clinical test apparatus in the present invention so that worm gear is in snail
Can arbitrarily it be turned round under the drive of bar, and the central shaft turned round is because the effect of radial thrust bearing keeps constant；It is and centripetal to push away
The erecting bed that power bearing is installed to worm gear has supporting role, and due to the rolling friction very little of bearing face, can ensure worm gear
And rotating accuracy and the flexibility of erecting bed.
The worm gear transmission accuracy clinical test apparatus of the present invention simultaneously designs magnet arrangement to adjust between erecting bed and base
Frictional force, avoid producing the situation rocked and cause to measure distortion because of inertia when worm-drive detects, its not only structure letter
It is single, and the resistance rotated to erecting bed is easy to adjust, it is not necessary to which that traditional dynamical system changes resistance, and controllability has obtained bright
It is aobvious to improve.
It is reasonable that this turntable structure is set, and Stability Analysis of Structures is easy to operate.And this structure is utilized, after achievable spiral case making not
Dismounting, and directly detected.
The base of turntable can be installed on the workbench fixed to machining tool by U type grooves, in processing, erecting bed and bottom
Fixed between seat by pin, the mold of worm gear is mounted directly fixed on erecting bed, now regarding turntable and mold, workbench
It is integrated.
After the completion of spiral case making, it is not necessary to pull down mold and worm gear, it is not required that pull down the base of turntable, it is only necessary to pine
Open the erecting bed and base of turntable, you can detected in the state of worm gear does not depart from machining tool, avoid removing repeatedly
Fortune, the trueness error brought is installed, can also facilitate scene to match somebody with somebody worm gear progress in time and mutually correct.
Worm gear transmission accuracy clinical testing procedure provided by the invention, realize clinic of the worm gear in the case of not dismounting
Detection, transmission accuracy detection is become simple and easy, and ensure that worm gear overall precision is detected, it is possible to increase worm gear
The integral level of precision.
Brief description of the drawings
Fig. 1 is a kind of structural representation for specific embodiment that worm-drive of the present invention detects structure；
Fig. 2 is a kind of sectional structure chart of specific embodiment of turntable of the present invention；
Fig. 3 is overlooking structure figure of Fig. 2 intermediate stations on A-A directions；
Fig. 4 is the overlooking structure figure of Fig. 2 intermediate stations.
In figure：5- turntables；7- radial thrust bearings；8- slide plates；9- spindle motor brackets；901- spindle motors；10- snails
Bar；
14- ends gear；15- tops gear；16- brackets；17- motors；111- back dead centres one；112- back dead centres
Two；The driving levers of 130- second；The driving levers of 131- first；132- ring sets；140- bearings one；160- installs cylinder；180- bearings two；181-
The stator of worm screw angular displacement sensor；The rotor of 182- worm screw angular displacement sensors；501- bases；502- erecting beds；503- is recessed
Groove；504- magnet；505- screwed holes；506- threaded mounting holes；507- through holes；508-U type grooves；509- projections；601- worm gears angle
The stator of displacement transducer；The rotor of 602- worm gear angular displacement sensors.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Worm screw frock in the worm gear transmission accuracy clinical test apparatus of the present invention, detected for worm gear transmission accuracy
In worm screw installation, wherein worm screw 10 be arranged on frock on, be provided with frock for detecting the anglec of rotation of worm screw 10
Worm screw angular displacement sensor.As shown in Fig. 1, frock has bracket 16, the slide plate 8 above bracket 16 and a pair
For supporting back dead centre 1, the back dead centre 2 112 at the both ends of worm screw 10, wherein back dead centre 1 is fixed on bracket 16
On, back dead centre 2 112 is fixed on slide plate 8, and the both ends of worm screw 10 to be measured are respectively by back dead centre 1, back dead centre two
112 withstand flying shore, and slide plate 8 can be slided to adjust the distance between two back dead centres 1, back dead centre 2 112.
Bracket 16 is provided with motor 17, and the driving of motor 17 has gear transmission group, the end gear of gear drive group
Driving lever component is fixed with 14, driving lever component drives worm screw 10 to rotate and makes worm screw 10 coaxial, same with end gear 14
The anglec of rotation is rotated, and the stator 181 of worm screw angular displacement sensor is fixed on bracket 16, and worm screw angular displacement sensor turns
Son 182 and end gear 14 be coaxial, with anglec of rotation rotation to measure the anglec of rotation of worm screw 10.
The turntable of the present invention is used for the installation question for solving worm gear, and as shown in Fig. 2, the upper and lower part of turntable 5 is respectively
The erecting bed 502 and base 501 that can be relatively rotated, erecting bed 502 are used to connect worm gear and are connected to base 501,
The central part of erecting bed 502 has projection 509 directed downwardly, and projection 509 and erecting bed 502, base 501 are coaxial, the snail
Wheel angular displacement sensor rotor 602 be coaxially mounted on projection 509, the stator 601 of worm gear angular displacement sensor with
Base 501 is connected.Radial thrust bearing is also equipped with projection 509 between erecting bed 502 and base 501
7, the radial thrust bearing 7 supports erecting bed 502 and keeps the axiality of erecting bed 502 and base 501.Worm gear angle
The stator 601 of displacement transducer is coaxially fixed with the base 501 of turntable 5, the rotor 602 of worm gear angular displacement sensor
Rotate coaxially and be connected with the erecting bed 502 of turntable 5, occur between the erecting bed 502 and base 501 of turntable 5 relative
During rotation, worm gear angular displacement sensor measures displacement and the anglec of rotation of rotation.
A kind of specific embodiment, gear drive group include two gears, directly ratcheting top gear 15 and end
Gear 14, top gear 15 are connected with motor 17.The side wall evagination one of bracket 16 installs cylinder 160, terminal teeth
The centre bore of wheel 14 is arranged on installation cylinder 160 by bearing 1, the rotor 182 of worm screw angular displacement sensor
It is fixed on also by bearing 2 180 on installation cylinder 160.Driving lever component includes being vertically fixed on the end of end gear 14
The second driving lever 130 and one end and 130 vertical the first fixed driving lever 131 of the second driving lever, the first driving lever 131 on face
The other end be cased with ring set 132, ring set 132 is interspersed to be fixed in the bar portion of worm screw 10.
Because bearing operation is too flexible, may produce to rock because of inertia in the transmission detection of worm gear causes to measure
As a result distortion.Therefore, this case devises a kind of special damping structure, as shown in Fig. 2 and Fig. 3.The base of turntable 5
Circumferentially there are several grooves 503 501 upper surface, and it is axially in the same direction with turntable 5 that south poles are provided with groove 503
（That is vertical direction）Magnet 504, the length of magnet 504 is more than the bottom surface of erecting bed 502 and the upper surface of base 501
Between distance.When magnet 504 is allocated to top, adsorb in the bottom surface of erecting bed 502, erecting bed 502 and base
Frictional resistance will be produced by being relatively rotated between 501；Below magnet 504 is allocated to, 501 phases of erecting bed 502 and base
There is no frictional resistance during to rotating.Then can by adjust magnet 504 adsorb number number adjust erecting bed 502
Damping size between base 501, be when detecting worm-drive precision, it is big to adjust the damping that worm gear is subject to this
It is small.The quantity of groove 503 can be six, and six grooves 503 are distributed in turntable 5 along the substantially symmetrical about its central axis of turntable 5
Both sides, can also be uniformly multiple along whole circumference.
To realize that worm gear does not dismount on lathe（Under clinical state）In the case of carry out with mutually and detection, erecting bed 502
On set the through hole 507 run through up and down, the upper surface of base 501 corresponds to through hole 507 and sets screwed hole 505, can use pin will
Both are locked integral, after pulling out pin, recover to relatively rotate between the two, structural principle is as shown in Fig. 4.Through hole 507 has
Three, three through holes 507 are uniformly distributed on the circumference that the center of circle is located on the central shaft of erecting bed 502, through hole 507
Upper end be counterbore, make both stable connections of erecting bed 502 and base 501, the head of the pin of connection is contained in
In counterbore, non-bulging influence erecting bed 502 installs worm gear.The bottom of the base 501 has outside radially towards cavity
Arc-shaped step, the edge part of arc-shaped step are evenly equipped with six U type grooves 508 for being used to be connected, and U type grooves 508 are open
Outwardly, turntable 5 is bolted on the workbench of machining tool by U type grooves 508.Entirely process and detected
Journey, base 501 are fixed on the workbench of lathe all the time.The erecting bed 502 of turntable 5 is provided with threaded mounting hole on top
506, can be dead by the erecting bed 502 of turntable 5 and mold pin with pin for the mold for the worm gear that is connected, make turntable 5
Erecting bed 502 and mold it is integral.
Angular displacement sensor in the present apparatus is built-in using precision is higher, the angular displacement sensor of shaft coupling built in band
Joint avoids rigidly coordinating between rotor and stator, ensures coaxially concentric when the two is relatively rotated.
In examinations device, frock, turntable etc. can be both separately provided to detect the transmission accuracy of worm gear, can also
Using the structure of existing lathe, and realize the detection for not dismounted after the completion of spiral case making and can completing worm gear.Bracket 16
Using the knife rest bracket of lathe, slide plate 8 using lathe sliding carriage, after the completion of spiral case making, it is not necessary to worm gear is pulled down, in knife
A pair of back dead centres 1 are set on the end of frame torr seat and knife bar, back dead centre 2 112 supports worm screw 10, the back dead centre on knife bar
2 112 adjust its distance between back dead centre 1 by saddle slide plate, and the knife rest of lathe is cut by knife rest bracket
To displacement so that worm screw 10 engages with worm gear, and both are made to be in optimal engagement state, when detecting transmission accuracy, lathe
The no longer trigger shaft of spindle motor 901 rotates.
Hereby it is achieved that worm gear transmission accuracy clinical testing procedure can specifically include following step：
1. installing turntable 5 on platen before machine tooling worm gear, both are made to turn round with one heart, the peace of turntable 5
Fill platform 502
Fixed between base 501 by installing pin, mold, which is installed on turntable 5, makes mold and erecting bed 502
It is integrally formed, the height at worm gear center is adjusted by mold.
2. worm gear to be processed is installed in mold and adjusts it and turntable 5 is concentric turns round.
3. after the completion of spiral case making, cutter of backing off, change the bracket 16 of worm screw frock（Motor 17, the second driving lever
130th, worm screw angular displacement sensor, back dead centre 1 are already installed in bracket 16）, pacify on spindle motor bracket 9
Back dead centre 2 112 is loaded onto, follow rest slide plate, ring set 132, two back dead centres 1, back dead centre 2 112 are installed on worm screw
Between install worm screw 10 to be measured, the first driving lever 131 is installed.
4. removing the pin between the erecting bed 502 of turntable 5 and base 501, enable erecting bed 502 free
Rotate.
5. checking worm gear and the field of conjugate action of worm screw 10, follow rest slide plate, adjustment platen position, make worm gear
In optimal engagement position.
6. starting motor, driving lever component drives worm screw 10 to rotate, and is adjusted by stirring the number of magnet 504
Frictional force between the erecting bed 502 and base 501 of turntable 5, enables worm screw 10 to drive worm gear and erecting bed
502 smooth rotations.
7. by worm gear angular displacement sensor and worm screw angular displacement sensor, the transmission accuracy of worm gear is detected.
8. according to the transmission accuracy situation detected, if desired it is processed further correcting worm gear, pulls down worm screw, worm screw frock
Bracket, back dead centre, change the bracket of machining worm wheel.Fixed between the erecting bed and base of turntable by pin, Ran Hougen
Lathe parameter is adjusted according to transmission accuracy situation, amendment is processed to worm gear；If accuracy situation meets to require, snail is completed
The processing of wheel.
This method can realize processed worm gear once mounting, and worm gear is detected in the state of not departing from machining tool,
Exempt and be processed measurement error and mismachining tolerance that worm gear repeated disassembled and assembled is brought, so as to greatly improve the overall precision of worm gear,
Greatly shorten and simplify whole detection process.
The measurement error and worm gear, worm screw repeated disassembled and assembled that this method release angular displacement sensor repeated disassembled and assembled is brought are brought
Mismachining tolerance, so as to greatly improve the overall precision of worm gear（Precision without being singly worm gear）, greatly shorten and simplify whole
Detection process.
Claims (9)
1. a kind of worm gear transmission accuracy clinical test apparatus, including for installing the turntable of worm gear and the frock of installation worm screw,
Worm gear angular displacement sensor for detecting the worm gear anglec of rotation is installed in turntable, is provided with frock for detecting worm screw rotation
The worm screw angular displacement sensor of gyration, worm gear angular displacement sensor and the output of worm screw angular displacement sensor are connected with worm gear detection
Instrument, between turntable and frock can tangential displacement worm and wheel is engaged, it is characterised in that：The frock has bracket, position
Slide plate and a pair of back dead centres for supporting worm screw both ends above bracket, wherein back dead centre one are fixed on bracket, dead top
Point two is fixed on the spindle motor bracket of lathe, slide plate can slide adjust between back dead centre one and back dead centre two away from
From；Bracket is provided with motor, and motor driving has gear transmission group, is fixed with and dials on the end gear of gear drive group
Bar assembly, driving lever component drive worm screw to rotate and make that worm screw and end gear be coaxial, synchronous axial system, worm screw angular displacement sensor
Stator is fixed on bracket, and the rotor of worm screw angular displacement sensor and end gear are coaxial, synchronous axial system is to measure the rotation of worm screw
Gyration；The turntable includes the erecting bed and base that can be relatively rotated, and erecting bed is used to connect worm gear and is connected to base,
The central part of erecting bed has projection directed downwardly, and projection and erecting bed, base are coaxial, and the rotor of the worm gear angular displacement sensor is same
Axle is arranged on projection, and stator and the base of worm gear angular displacement sensor are connected；In machining worm wheel, erecting bed and base
It can be fixed as one, the mold of worm gear is mounted directly fixed on erecting bed, and after the completion of spiral case making, erecting bed and base can
Unclamp, erecting bed is rotated against with base, can detected in the state of worm gear does not depart from machining tool；In erecting bed and bottom
Radial thrust bearing is also equipped with projection between seat, radial thrust bearing support erecting bed and keeps erecting bed and base
Axiality.
2. the worm gear transmission accuracy clinical test apparatus according to claim 1, it is characterised in that：The gear drive
Group includes the top gear being connected with motor, and top gear and the end direct geared are ratcheting, the center of end gear
Hole is arranged on by bearing one on the installation cylinder of bracket side wall evagination, and the rotor of worm screw angular displacement sensor is solid by bearing two
It is scheduled on installation cylinder；Driving lever component includes the second driving lever being vertically fixed on the end face of end gear and one end and second group
The first driving lever that bar is vertically fixed, the other end of the first driving lever are cased with ring set, and ring set is interspersed to be fixed in the bar portion of worm screw.
3. the worm gear transmission accuracy clinical test apparatus according to claim 1 or 2, it is characterised in that：The bottom
Seat has centre bore for the cavity body structure of lower ending opening and upper end, and the bottom of projection is located at the cavity of base through the centre bore
In, the rotor of worm gear angular displacement sensor is fixed on the bottom of projection and stator is fixedly connected on the upper end bottom of base
Face；Groove is located at the outside of radial thrust bearing；The upper surface of base is evenly equipped with several grooves around central shaft, and these grooves are in
Circle distribution, is provided with south poles and turntable axially magnet in the same direction in groove, the length of magnet be more than erecting bed bottom surface with
Distance between base upper surface.
A kind of 4. worm gear transmission accuracy clinical test apparatus according to claim 3, it is characterised in that：The installation
Platform is provided with about three through holes run through, and three through holes are uniformly distributed in the circumference that the center of circle is located on erecting bed central shaft
On, the upper end of through hole is counterbore, and the upper surface of base is provided with the screwed hole of corresponding through hole, detachable in through hole and screwed hole
One pin is installed, erecting bed can be fixed on base by the pin, and erecting bed can be relative to base certainly when the pin is dismantled
By rotating.
A kind of 5. worm gear transmission accuracy clinical test apparatus according to claim 4, it is characterised in that：The base
Bottom there is arc-shaped step outside radially towards cavity, the edge part of arc-shaped step, which is evenly equipped with six and is used for connecting machine tool, to work
The U type grooves of platform, U type grooves opening is outwardly.
A kind of 6. worm gear transmission accuracy clinical test apparatus according to claim 4, it is characterised in that：The installation
The upper surface of platform is provided with 12 threaded mounting holes, and these threaded mounting holes are uniformly distributed in the center of circle and are located on erecting bed central shaft
A circumference on, threaded mounting hole is located on the inside of through hole, and screwed hole is used to the mold of worm gear or worm gear being fixed to erecting bed.
7. the worm gear transmission accuracy clinical test apparatus according to claim 1 or 2, it is characterised in that：The support
Seat uses the knife rest bracket of lathe, and the slide plate uses the sliding carriage of lathe.
A kind of 8. worm gear transmission accuracy clinical test apparatus according to claim 5 or 6, it is characterised in that：Institute
State worm gear angular displacement sensor and the built-in shaft coupling of worm screw angular displacement sensor.
9. a kind of worm gear transmission accuracy clinical testing procedure, it is characterised in that comprise the following steps：
1. installing turntable on platen before machine tooling worm gear, the base of turntable is consolidated by its U type groove bolt
Be scheduled on platen, make turret base and platen with one heart, synchronous revolving；
2. installing pin, make to be fixed together between the erecting bed of turntable and base；
3. mold, which is installed on the erecting bed of turntable, makes mold be integrally formed with erecting bed, worm gear center is adjusted by mold
Highly, worm gear to be processed is installed in mold and adjusts it and turntable is concentric turns round；
4. after the completion of spiral case making, cutter of backing off, changing worm screw frock, back dead centre one and dead is installed on spindle motor bracket
Top two, the distance between knife rest bracket and spindle motor bracket are adjusted to install worm screw, then the first driving lever is installed；
5. removing the pin between the erecting bed of turntable and base, erecting bed is set freely to be rotated relative to base；
6. follow rest slide plate, adjustment platen position, make worm gear be in optimal engagement position；
7. starting the motor of worm screw frock, driving lever component drives worm screw to rotate, and turntable is adjusted by stirring magnet number
Erecting bed and base between frictional force, worm screw is driven worm gear and erecting bed smooth rotation；
8. by worm gear angular displacement sensor and worm screw angular displacement sensor, the transmission accuracy of worm gear is detected；
9. according to the transmission accuracy situation detected, if desired it is processed further correcting worm gear, then pulls down worm screw and worm screw frock,
It will be fixed between the erecting bed and base of turntable by pin, lathe parameter then adjusted according to transmission accuracy situation, to worm gear
It is processed amendment；If accuracy situation meets to require, the processing of worm gear is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158332.1A CN105598534B (en) | 2016-03-18 | 2016-03-18 | A kind of worm gear transmission accuracy clinical test apparatus and detection method |
Applications Claiming Priority (1)
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| CN106404391B (en) * | 2016-11-22 | 2019-05-31 | 航天恒星科技有限公司 | Worm Wheel System drive system return difference measuring device |
| CN108927672A (en) * | 2017-05-27 | 2018-12-04 | 贺尔碧格（上海）有限公司 | A kind of cutter clamping and location dimension measuring device and clamp localization method |
| CN107598296B (en) * | 2017-10-20 | 2020-01-31 | 重庆理工大学 | Processing method and processing system for precision worm gear pairs |
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| CN114770201A (en) * | 2022-05-20 | 2022-07-22 | 山西风源机械制造有限公司 | Worm engagement detection device, detection method and numerical control cyclone milling machine tool |
| CN114700806B (en) * | 2022-06-07 | 2022-08-12 | 陕西高端机床创新研究有限公司 | Dynamic characteristic measuring device for workpiece shaft of worm grinding wheel gear grinding machine |
| CN117007304B (en) * | 2023-10-07 | 2023-12-01 | 常州德劢精密传动有限公司 | Worm pair meshing state detection equipment |
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