CN206248057U - Air supporting rotating disk of the coordinate detector with rotating shaft automatic balance function - Google Patents
Air supporting rotating disk of the coordinate detector with rotating shaft automatic balance function Download PDFInfo
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- CN206248057U CN206248057U CN201621300383.5U CN201621300383U CN206248057U CN 206248057 U CN206248057 U CN 206248057U CN 201621300383 U CN201621300383 U CN 201621300383U CN 206248057 U CN206248057 U CN 206248057U
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- float
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Abstract
The utility model discloses a kind of air supporting rotating disk of coordinate detector with rotating shaft automatic balance function,Including air-float turntable housing,Motor is provided with it,The output shaft of motor is connected by bevel gear transmission with rotating shaft,Eddy current sensor is provided with the air-float turntable base of air-float turntable housing,The balance nozzle being fixedly connected with air-float turntable base is also suitably provided with the bottom of rotating shaft,The combined radial ball bearing of two row is provided with air-float turntable base below rotating shaft,Thimble is provided with the two combined radial ball bearings of row,The top of thimble withstands on the bottom of rotating shaft,Turntable card is provided with the top of air-float turntable housing,At least three circumferentially equally distributed air supporting nozzles are provided with below turntable card,The air inlet end of described air supporting nozzle is connected with air pressure balance room,Air pressure balance room is connected with air supply system,Spring is additionally provided with the bottom of described thimble.
Description
Technical field
The utility model is related to a kind of coordinate detector auxiliary body, and particularly a kind of coordinate detector is used has rotating shaft certainly
The air supporting rotating disk of dynamic balancing function.
Background technology
At present, traditional measuring instrument is all special purpose.For example:Profile tolerance instrument can only detection object appearance profile,
Roundness measuring equipment can only measure the circularity of object, cylindricity, and roughmeter can only detection object surface roughness degree etc..Want to make
The processing and fabricating of the complicated workpiece of one design comparison is consistent with design requirement, just must to work pieces process after various data enter
Row measurement.Such as the linearity of individual features, flatness, position degree, cylindricity, axiality, perpendicularity, circle bounce on workpiece
Etc..And critically measured using these data as aim parameter, it is desirable to more high-accuracy instrument is operated.
Common mode is inside the industry:Using different accuracy, different types of instrument, Polling.Do so both increases cost,
Big quantity space is taken again, wastes a large amount of manpower and materials.Because measurement procedure is too many, accuracy of detection does not reach ideal effect yet, inspection
Result difference is surveyed than larger.Therefore a kind of device that above-mentioned measurement work can be completed on a machine, but this are needed now
Kind of device needs to configure turntable structure, and for turntable operating when turntable card operate when stability requirement it is higher, such as
There is skew and vibration in horizontal direction in fruit rotating disk when operating, then can directly affect testing result.Simultaneously traditional turntable exists
Can cause extra power consumption because there is frictional force during rotation.Therefore a kind of method or dress that can solve the problem that above mentioned problem is needed now
Put.
The content of the invention
The utility model is, in order to solve the above-mentioned deficiency existing for prior art, to propose a kind of simple structure, and design is skilful
It is wonderful, with automatic detection and rotating shaft dynamic balancing can be adjusted, and the air-float turntable of frictional force when rotating disk is rotated can be substantially reduced.
Technical solution of the present utility model is:A kind of coordinate detector is with rotating shaft dynamic balancing automatic regulation function
Air-float turntable, including air-float turntable housing 11, it is characterised in that:Driving electricity is provided with described air-float turntable housing 11
Machine 1, the output shaft of motor 1 is connected by bevel gear transmission 2 with rotating shaft 3, and in the output shaft and umbrella of motor 1
Shaft coupling 4 is additionally provided between gear driving pair 2, vortex is provided with the air-float turntable base 12 of air-float turntable housing 11 and is passed
Sensor 5, described eddy current sensor 5 is four, and is circumferentially uniformly distributed as axle with the axis of rotating shaft 3, in rotating shaft 3
Bottom is also suitably provided with the balance nozzle 6 being fixedly connected with air-float turntable base 12, and described balance nozzle 6 is four,
Equally circumferentially it is uniformly distributed as axle with the axis of rotating shaft 3, the air inlet end and automatically controlled voltage-regulating system phase of the balance nozzle 6
Even, automatically controlled voltage-regulating system is connected with air supply system, and it is corresponding to balance bottom radial direction of the outlet side of nozzle 6 then with rotating shaft 3,
The combined radial ball bearing 7 of two row is provided with the air-float turntable base 12 of the lower section of rotating shaft 3, in the two combined radial ball bearings of row
Thimble 8 is provided with 7, the top of the thimble 8 is withstood in the cone-shaped groove of the bottom of rotating shaft 3, and the top of thimble 8 is also circle
Taper, turntable card 9 is provided with the top of described air-float turntable housing 11, the top of described rotating shaft 3 and turntable card 9
Center of circle connection, the lower section of turntable card 9 is provided with least three circumferentially equally distributed air supporting nozzles 10, and to turn
The axle center of platform is the center of circle, with the center of circle of air supporting nozzle 10 to the distance in the axle center of turntable as radius is scored with air slot 13, and institute
The port of export of the air supporting nozzle 10 stated is located in air slot 13, the air inlet end and air pressure balance room phase of described air supporting nozzle 10
Even, air pressure balance room is connected with air supply system, and spring is additionally provided with the bottom of described thimble 8.
The utility model compared with the existing technology, has the following advantages that:
Air supporting rotating disk of this kind of coordinate detector of structure type with rotating shaft dynamic balancing automatic regulation function, its structure
Simply, design ingenious, it is rationally distributed.In some finish machining equipments, particularly in some precision detecting instruments, for some turns
Stability requirement when axle is operated is very high.But in real work, due to reasons such as discontinuity equalizations, rotating shaft is often difficult to protect
The perpendicularity of degree of precision is demonstrate,proved, the bad problem of dynamic balancing such as vibration or deflection occurs in operation process.Asked for above-mentioned
Topic, the application devises a kind of air-float turntable structure, and the structure is provided with four in the rotating shaft bottom of air-float turntable, and to prolong circumference equal
The eddy current sensor of even distribution, while being additionally provided with four balance nozzles for prolonging even circumferential distribution.Once eddy current sensor is examined
Measure rotating shaft and deflection occur, signal will be sent from trend control system, control system then controls corresponding balance nozzle work
Make, drive shaft returns to equilbrium position, it is ensured that its perpendicularity.It is also arranged on the gas below turntable card by multiple simultaneously
Floating nozzle come allow turntable card bottom formed a layer of air film, such turntable card rotate when, avoid as far as possible friction
The generation of power, makes rotation more smooth, it is to avoid extra power consumption ensure that the operating stability of turntable.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the F-F in Fig. 1 to sectional view.
Specific embodiment
Below in conjunction with brief description of the drawings specific embodiment of the present utility model.As shown in Figure 1 and Figure 2:A kind of coordinate measurement
Air supporting rotating disk of the instrument with rotating shaft dynamic balancing automatic regulation function, including air-float turntable housing 11, in described air-float turntable
Motor 1 is provided with housing 11, the output shaft of motor 1 is connected by bevel gear transmission 2 with rotating shaft 3;And
Shaft coupling 4 is additionally provided between the output shaft and bevel gear transmission 2 of motor 1;The bottom of air-float turntable housing 11 is gas
Floating turntable base 12, is provided with eddy current sensor 5 on air-float turntable base 12, and described eddy current sensor 5 is four, and
And be circumferentially uniformly distributed as axle with the axis of rotating shaft 3;Also suitably it is provided with and air-float turntable base in the bottom of rotating shaft 3
The 12 balance nozzles 6 being fixedly connected, described balance nozzle 6 is four, equally circumferentially uniform as axle with the axis of rotating shaft 3
Distribution;And the air inlet end of the balance nozzle 6 is connected with automatically controlled voltage-regulating system, automatically controlled voltage-regulating system is connected with air supply system, and
Balance bottom of the outlet side of nozzle 6 then with rotating shaft 3 radially corresponding.Above-mentioned eddy current sensor 5, air supply system and electric adjustable
Pressure system is uniformly controlled by control system;
The combined radial ball bearing 7 of two row is provided with air-float turntable base 12 below rotating shaft 3, it is combined in two row
Thimble 8 is provided with radial ball bearing 7.The top of the thimble 8 is withstood in the cone-shaped groove of the bottom of rotating shaft 3, and thimble 8
Top is provided with turntable card 9 also for coniform at the top of described air-float turntable housing 11, the top of described rotating shaft 3
The center of circle with turntable card 9 is connected, and the lower section of turntable card 9 is provided with least three(Preferably 6)It is circumferentially uniform
The air supporting nozzle 10 of distribution, and with the axle center of turntable as the center of circle, the distance with the axle center in the center of circle of air supporting nozzle 10 to turntable is
Radius is scored with the air slot of one fixed width, and the port of export of described air supporting nozzle 10 is located in air slot 13.Described gas
The air inlet end of floating nozzle 10 is connected with air pressure balance room, and air pressure balance room is connected with air supply system, in the lower end of described thimble 8
Portion is additionally provided with spring.
The coordinate detector of the utility model embodiment is worked with the air supporting rotating disk with rotating shaft automatic balance function
Journey is as follows:Motor 1 starts, and motor 1 delivers torque to bevel gear transmission 2 by shaft coupling 4, and finally drives
Rotating shaft 3 is rotated.If rotating shaft 3 is after stress, its axis is deflected, and the eddy current sensor 5 for being arranged on its bottom can be detected
To this deflection, and the vector value of the deflection is sent in control system.Control system is controlled corresponding by air supply system
Balance nozzle 6 work, while adjusting the flow velocity of the air-flow for blowing out by electric pressure regulating system.Using the air-flow for blowing out
The bottom of countershaft 3 is finely adjusted, and allows the axis of rotating shaft 3 to be readjusted to plumbness, and then to ensure the water of turntable card 9
Flat degree.Because thimble 8 is connected by the two combined radial ball bearings 7 of row with air-float turntable base 12, air-float turntable base
12 firm with other equipment are connected.I.e. thimble 8 can within the specific limits swing relative to air-float turntable base 12.It is so above-mentioned
During, when rotating shaft 3 is rotated, according to gyro principle, you can realize the automatic centering regulation of countershaft.
When rotating shaft 3 is rotated, rotating shaft 3 can drive turntable card 9 together to rotate, now control system control air supply system to
Supplied in air pressure balance room.Pressure air is sprayed by all of air supporting nozzle 10, and the discharge pressure of each air supporting nozzle 10 and
Delivery flow is equal.The air that air supporting nozzle 10 sprays UNICOM in air slot 13, eventually in the formed below of turntable card 9
One very thin air film, farthest reduces the frictional force that the lower section of turntable card 9 is born, so as to make rotation more suitable
Freely, while extra power consumption and unnecessary vibration can also be avoided the occurrence of;In above process, due to the unbalanced meeting of load
Causing turntable card 9 and rotating shaft 3 can upward do a small displacement, but because the bottom of thimble 8 is provided with spring, therefore top
Pin 8 can all the time withstand on the bottom of rotating shaft 3 under the action of the spring, and Auxiliary support is carried out to it.
Claims (1)
1. a kind of air supporting rotating disk of coordinate detector with rotating shaft automatic balance function, including air-float turntable housing(11), its
It is characterised by:In described air-float turntable housing(11)Inside it is provided with motor(1), motor(1)Output shaft pass through
Bevel gear transmission(2)With rotating shaft(3)It is connected, and in motor(1)Output shaft and bevel gear transmission(2)Between also
It is provided with shaft coupling(4), in air-float turntable housing(11)Air-float turntable base(12)On be provided with eddy current sensor(5), institute
The eddy current sensor stated(5)It is four, and with rotating shaft(3)Axis be circumferentially uniformly distributed for axle, in rotating shaft(3)Bottom
Portion is also suitably provided with and air-float turntable base(12)The balance nozzle being fixedly connected(6), described balance nozzle(6)It is four
It is individual, equally with rotating shaft(3)Axis be circumferentially uniformly distributed for axle, the balance nozzle(6)Air inlet end and automatically controlled pressure regulation
System is connected, and automatically controlled voltage-regulating system is connected with air supply system, and balances nozzle(6)Outlet side then with rotating shaft(3)Bottom
It is radially corresponding, in rotating shaft(3)The air-float turntable base of lower section(12)In be provided with the combined radial ball bearing of two row(7), two
Arrange combined radial ball bearing(7)In be provided with thimble(8), the thimble(8)Top withstand on rotating shaft(3)The cone of bottom
In groove, and thimble(8)Top also for coniform, in described air-float turntable housing(11)Top be provided with turntable card
(9), described rotating shaft(3)Top and turntable card(9)The center of circle connection, in turntable card(9)Lower section be provided with least
Three circumferentially equally distributed air supporting nozzles(10), and with the axle center of turntable as the center of circle, with air supporting nozzle(10)The center of circle
Distance to the axle center of turntable is scored with air slot for radius(13), and described air supporting nozzle(10)The port of export be located at air guide
Groove(13)Interior, described air supporting nozzle(10)Air inlet end be connected with air pressure balance room, air pressure balance room is connected with air supply system,
In described thimble(8)Bottom be additionally provided with spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621300383.5U CN206248057U (en) | 2016-11-30 | 2016-11-30 | Air supporting rotating disk of the coordinate detector with rotating shaft automatic balance function |
Applications Claiming Priority (1)
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CN201621300383.5U CN206248057U (en) | 2016-11-30 | 2016-11-30 | Air supporting rotating disk of the coordinate detector with rotating shaft automatic balance function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110102791A (en) * | 2019-05-09 | 2019-08-09 | 苏州三德精密机械有限公司 | Rotating chuck mechanism |
-
2016
- 2016-11-30 CN CN201621300383.5U patent/CN206248057U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110102791A (en) * | 2019-05-09 | 2019-08-09 | 苏州三德精密机械有限公司 | Rotating chuck mechanism |
CN110102791B (en) * | 2019-05-09 | 2024-03-12 | 苏州三德精密机械有限公司 | Rotary chuck mechanism |
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