CN208496713U - A kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine - Google Patents
A kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine Download PDFInfo
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- CN208496713U CN208496713U CN201820927677.3U CN201820927677U CN208496713U CN 208496713 U CN208496713 U CN 208496713U CN 201820927677 U CN201820927677 U CN 201820927677U CN 208496713 U CN208496713 U CN 208496713U
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Abstract
A kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine, gas hydrostatic slideway includes track base, the gentle static pressure module of supporting plate, channel-shaped track is symmetrically arranged on track base, supporting plate bottom end is equipped with the guide rod to match with channel-shaped track, and supporting plate is slidably connected by guide rod and channel-shaped track；The two sides of supporting plate are uniformly provided with multiple mounting holes along channel-shaped track length direction, gas static pressure module is separately positioned in mounting hole, gas static pressure module includes axle sleeve, flow controller, gas nozzle, sealing cover and gas supply mechanism, and axle sleeve one end is closed, one end open, air inlet is uniformly provided on axle sleeve wall, axis is set in mounting hole, and flow controller is arranged in axle sleeve, and the outer end of axle sleeve is arranged in gas nozzle, and axle sleeve is sealed by sealing cover, gas supply mechanism is connected to gas nozzle；The utility model using gas static pressure grinding wheel electro spindle, X-axis gas hydrostatic slideway, Y-axis gas hydrostatic slideway and reaches three axis air bearings control by high-precision numerical control system, realizes the high-precision processing of gas static pressure grinding machine.
Description
Technical field
The utility model relates to surface grinding machine field, specifically a kind of gas static pressure for triaxial numerical control plane grinding machine
Guide rail.
Background technique
Currently, domestic, generally use to the grinding of precision metallic components plane, attrition process is ball bearing spindle,
And the hard guide rail of oil lubrication or linear guide grinding machine, the bearing in ball bearing spindle is using high-precision P4 grades of angular contact
Bearing, since the high-precision P4 grades of angular contact bearing required precision is high, so the accuracy standard of P4 grades of bearings is limited to
1um, synthesis precision of the main shaft after manufacture processing and assembly is usually 2~3um；Therefore, the revolution essence of ball bearing spindle
Degree also can only achieve 2~3um.The linear guide of grinding machine ultraprecise is also because of the limitation of the accuracy of manufacture, and parallelism precision is preferably
It is difficult more than 3um/m, that is to say, that the machining accuracy of domestic existing grinding machine itself only up to reach 2-3um/m.With science
The progress of technology and the development of social economy, the requirement to machining accuracy is higher and higher, more and more high-accuracy products
The planarity requirements of workpiece even up to≤0.5um, existing ball bearing spindle grinding machine be far from satisfying now and
The demand of the following processing industry development.
The movement of the main shaft of Ultra-precision Turning grinding machine direct supporting workpiece or cutter in process, therefore the revolution of main shaft
Precision directly influences the machining accuracy of workpiece, it can be said that main shaft is a most important portion in Ultra-precision Turning grinding machine
Part can evaluate the precision of grinding machine itself by the precision and characteristic of grinding machine spindle.Currently, domestic flat to precision metallic components
Aforementioned precision is not achieved in the grinding in face, the process equipment of grinding, so can only take a large amount of foreign exchange passes through import high-precision
Process equipment meet production requirement.
Utility model content
Purpose of the utility model is to solve the deficiencies of above-mentioned technical problem, and the utility model proposes one kind to be used for three
The gas hydrostatic slideway of Shaft and NC Machining Test surface grinding machine, simultaneously using gas static pressure grinding wheel electro spindle, X-axis gas hydrostatic slideway, Y-axis gas hydrostatic slideway
Reach three axis air bearings control by high-precision numerical control system, makes traditional ball bearing electro spindle, sliding and rolling guide grinding machine
Air spindle, gas hydrostatic slideway grinding machine are changed into, machining accuracy effectively improves, and realizes the high-precision of gas static pressure grinding machine
Degree processing.
The utility model deficiency to solve above-mentioned technical problem and the technical solution adopted is that: one kind being used for three-axis numerical control
The gas hydrostatic slideway of surface grinding machine, the gas hydrostatic slideway include track base, the gentle static pressure module of supporting plate, right on the track base
Claim to be equipped with channel-shaped track, the supporting plate bottom end is equipped with the guide rod to match with the channel-shaped track, and the supporting plate is led by described
Bar is slidably connected with the channel-shaped track；The two sides of the supporting plate are uniformly provided with multiple installations along channel-shaped track length direction
Hole, the gas static pressure module are respectively set in the mounting hole, and the gas static pressure module includes axle sleeve, flow controller, gas nozzle, close
Capping and gas supply mechanism, described axle sleeve one end is closed, one end open, and air inlet, the axle sleeve are uniformly provided on the axle sleeve wall
In the mounting hole, the flow controller is arranged in the axle sleeve, and the opening of the axle sleeve is arranged in the gas nozzle for setting
One end, and the axle sleeve is sealed by the sealing cover, the gas supply mechanism is connected to the gas nozzle.
Further, the side of the supporting plate is connected with servo motor by lead screw, and the servo motor drives the support
Plate moves on the channel-shaped track.
Further, the gas supply mechanism includes air compressor, pneumatic filter, pressure regulator valve, gas circuit distribution pipe, described
The output end of air compressor is connected to the input terminal of the pneumatic filter, the output end of the pneumatic filter and the tune
The input terminal of pressure valve is connected to, and the output end of the pressure regulator valve is connected with multiple gas circuit distribution pipes, the gas circuit distribution pipe respectively with
The gas nozzle connection.
Further, the servo motor has control system by cable connection.
Further, the channel-shaped track includes symmetrically arranged square groove track and V-groove track, and the guide rod includes
The column guide rod to match with the square groove track and the V-type guide rod to match with the V-groove.
The beneficial effects of the utility model are:
(1) gas static pressure module, including axle sleeve, flow controller, gas are symmetrically and evenly equipped in the gas hydrostatic slideway of the utility model
Mouth, sealing cover and gas supply mechanism are uniformly provided with air inlet on axle sleeve wall, and flow controller is arranged in axle sleeve, and gas nozzle is arranged in axle sleeve
One end, and being sealed by sealing cover to axle sleeve, compressed air is input in axle sleeve by gas supply mechanism by gas nozzle, and from into
Stomata sprays, and makes guide rod during mobile on guide rail, forms air film between guide rod and guide rail, form contactless sliding, rises
Kinetic moment is small, no to rub, is lossless, pollution-free, is greatly reduced coefficient of friction, reduces wear rate, and long-time service is not sent out
Raw viscosity change, it is without friction in motion process, smoothly, stablize, which is used for triaxial numerical control plane grinding machine, keeps X-axis mobile
Mechanism, Y-axis moving mechanism, Z axis mobile mechanism are in moving process with dynamic characteristic is good, accuracy life is long, does not generate vibration
The advantages that, while making electro spindle that there is good whirling precision, the running accuracy for improving electro spindle is high, so that grinding machine itself
Machining accuracy reach≤0.1 μm of technical indicator；
(2) the gas hydrostatic slideway of the utility model includes square groove track and V-groove track, cooperates V using V-groove track
Type guide rod, V-type guide rod and the contact of V-groove track belong to line contact, at a high speed close to orbital plane, instant contact, then leave at a high speed,
It can achieve very high linear velocity, while " scraping " ceaselessly carried out to orbital plane by " line " of V-type guide rod, it can be well
The cleaning for guaranteeing guide pass, improves the precision of guide rail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of track base；
Fig. 2 is the structural schematic diagram of supporting plate；
Fig. 3 is the structural schematic diagram of gas static pressure module；
Fig. 4 is the structural schematic diagram of gas supply mechanism；
Appended drawing reference: 1, track base, 2, supporting plate, 201, mounting hole, 3, gas static pressure module, 301, axle sleeve, 302, flow controller,
303, gas nozzle, 304, sealing cover, 4, channel-shaped track, 401, square groove track, 402, V-groove track, 5, guide rod, 501, column leads
Bar, 502, V-type guide rod, 6, air inlet, 7, lead screw, 8, servo motor, 9, air compressor, 10, pneumatic filter, 11, pressure regulation
Valve, 12, gas circuit distribution pipe.
Specific embodiment
The utility model is further elaborated combined with specific embodiments below.
Specific embodiment:
A kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine, the gas hydrostatic slideway include track base 1, supporting plate 2
Gentle static pressure module 3 makes three axis mobile mechanisms of triaxial numerical control plane grinding machine by the way that gas static pressure module is arranged in guide rail structure
Homogenization in moving process due to pressure membrane has many advantages, such as that dynamic characteristic is good, accuracy life is long, does not generate vibration, makes
The machining accuracy for obtaining grinding machine itself reaches≤0.1 μm of technical indicator, in plane super-precision grinding, the grinding to metal parts
In manufacture field, promotes traditional ball bearing spindle grinding machine machining accuracy within 0.5um from 2~3um, change China
There is no ultraprecise plane machining to equip and be difficult to produce the situation of machining accuracy within flatness 0.5um, has filled up the country and existed
Blank in Ultra-precision Turning manufacturing equipment field；
Wherein, channel-shaped track 4 is symmetrically arranged on the track base 1,2 bottom end of supporting plate is equipped with and the channel-shaped track 4
The guide rod 5 to match, the supporting plate 2 are slidably connected by the guide rod 5 and the channel-shaped track 4；The side of the supporting plate 2 is logical
It crosses lead screw 7 and is connected with servo motor 8, the servo motor 8 has control system by cable connection, and the servo motor 8 drives
The supporting plate 2 moves on the channel-shaped track 4；
The two sides of the supporting plate 2 are uniformly provided with multiple mounting holes 201, the gas static pressure along 4 length direction of channel-shaped track
Module 3 is separately positioned in the mounting hole 201, the gas static pressure module 3 include axle sleeve 301, flow controller 302, gas nozzle 303,
Sealing cover 304 and gas supply mechanism, described 301 one end of axle sleeve is closed, one end open, is uniformly provided with air inlet on 301 wall of axle sleeve
Hole 6, the axle sleeve 301 are arranged in the mounting hole 201, and the flow controller 302 is arranged in the axle sleeve 301, the gas
The outer end of the axle sleeve 301 is arranged in mouth 303, and is sealed by the sealing cover 304 to the axle sleeve 301, the confession
Mechanism of qi structure is connected to the gas nozzle 303；Flow controller 302 is arranged in axle sleeve 301, and gas nozzle 303 is arranged in 301 one end of axle sleeve, and
Axle sleeve 301 is sealed by sealing cover 304, compressed air is input in axle sleeve 301 by gas supply mechanism by gas nozzle 303,
And sprayed from air inlet 6, make guide rod 5 during mobile on channel-shaped track 4, form air film between guide rod 5 and channel-shaped track 4,
Contactless sliding is formed, starting torque is small, and it is no to rub, is lossless, pollution-free, it is greatly reduced coefficient of friction, is reduced
Wear rate is used for a long time and viscosity change does not occur, without friction in motion process, smoothly, stablizes, which is used for three-axis numerical control
Surface grinding machine, make three axis mobile mechanisms in moving process have dynamic characteristic is good, accuracy life is long, do not generate vibration etc. it is excellent
Point, so that the machining accuracy of grinding machine itself reaches≤0.1 μm of technical indicator；
The gas supply mechanism includes air compressor 9, pneumatic filter 10, pressure regulator valve 11, gas circuit distribution pipe 12, the sky
The output end of air compressor 9 is connected to the input terminal of the pneumatic filter 10, the output end of the pneumatic filter 10 and institute
The input terminal connection of pressure regulator valve 11 is stated, the output end of the pressure regulator valve 11 is connected with multiple gas circuit distribution pipes 12, the gas circuit point
Piping 12 is connected to the gas nozzle 303 respectively；
The channel-shaped track 4 includes symmetrically arranged square groove track 401 and V-groove track 402, and the guide rod 5 includes
The column guide rod 501 to match with the square groove track 401 and the V-type guide rod 502 to match with the V-groove track 402；
V-type guide rod is cooperated using V-groove track, V-type guide rod belongs to line contact with the contact of V-groove track, at a high speed close to orbital plane, wink
When contact, then leave at a high speed, can achieve very high linear velocity, at the same by " line " of V-type guide rod ceaselessly to orbital plane into
Row " scraping ", can guarantee the cleaning of guide pass well, improve the precision of guide rail；
The utility model is using gas static pressure grinding wheel electro spindle, X-axis gas hydrostatic slideway, Y-axis gas hydrostatic slideway and passes through high-precision
Close digital control system reaches three axis air bearings control, and traditional ball bearing electro spindle, sliding and rolling guide grinding machine is made to change into gas
Static pressure electric main shaft, gas hydrostatic slideway grinding machine, machining accuracy effectively improve, and realize the high-precision processing of gas static pressure grinding machine.
The foregoing description of the disclosed embodiments, only for can be realized professional and technical personnel in the field or use this
Utility model.Various modifications to these embodiments will be readily apparent to those skilled in the art, herein
Defined in General Principle can be real in other embodiments without departing from the spirit or scope of the present utility model
It is existing.Therefore, the present invention will not be limited to the embodiments shown herein, and be to fit to it is disclosed herein
Principle and the consistent widest scope of features of novelty.
Claims (5)
1. a kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine, which is characterized in that the gas hydrostatic slideway includes guide rail
Seat, supporting plate gentle static pressure module are symmetrically arranged with channel-shaped track on the track base, and the supporting plate bottom end is equipped with and the channel-shaped rail
The guide rod that road matches, the supporting plate are slidably connected by the guide rod and the channel-shaped track；The two sides of the supporting plate along
Channel-shaped track length direction is uniformly provided with multiple mounting holes, and the gas static pressure module is respectively set in the mounting hole, described
Gas static pressure module includes axle sleeve, flow controller, gas nozzle, sealing cover and gas supply mechanism, and described axle sleeve one end is closed, one end open, institute
It states and is uniformly provided with air inlet on axle sleeve wall, in the mounting hole, the flow controller is arranged in the axle sleeve for the axle sleeve setting
Interior, one end of the opening of the axle sleeve is arranged in the gas nozzle, and is sealed by the sealing cover to the axle sleeve, described
Gas supply mechanism is connected to the gas nozzle.
2. a kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine as described in claim 1, which is characterized in that the support
The side of plate is connected with servo motor by lead screw, and the servo motor drives the supporting plate to move on the channel-shaped track.
3. a kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine as described in claim 1, which is characterized in that the confession
Mechanism of qi structure includes air compressor, pneumatic filter, pressure regulator valve, gas circuit distribution pipe, the output end of the air compressor and institute
The input terminal connection of pneumatic filter is stated, the output end of the pneumatic filter is connected to the input terminal of the pressure regulator valve, described
The output end of pressure regulator valve is connected with multiple gas circuit distribution pipes, and the gas circuit distribution pipe is connected to the gas nozzle respectively.
4. a kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine as claimed in claim 2, which is characterized in that described to watch
Taking motor has control system by cable connection.
5. a kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine as described in claim 1, which is characterized in that the slot
Shape track includes symmetrically arranged square groove track and V-groove track, and the guide rod includes matching with the square groove track
Column guide rod and the V-type guide rod that matches with the V-groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820927677.3U CN208496713U (en) | 2018-06-15 | 2018-06-15 | A kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820927677.3U CN208496713U (en) | 2018-06-15 | 2018-06-15 | A kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine |
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| CN208496713U true CN208496713U (en) | 2019-02-15 |
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| CN201820927677.3U Active CN208496713U (en) | 2018-06-15 | 2018-06-15 | A kind of gas hydrostatic slideway for triaxial numerical control plane grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551072A (en) * | 2020-12-03 | 2021-03-26 | 南通固邦数控机床有限公司 | Oil-gas mixture suspension support device |
-
2018
- 2018-06-15 CN CN201820927677.3U patent/CN208496713U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551072A (en) * | 2020-12-03 | 2021-03-26 | 南通固邦数控机床有限公司 | Oil-gas mixture suspension support device |
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