CN208467280U - A kind of gas static super-precision numerically controlled lathe - Google Patents
A kind of gas static super-precision numerically controlled lathe Download PDFInfo
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- CN208467280U CN208467280U CN201820927637.9U CN201820927637U CN208467280U CN 208467280 U CN208467280 U CN 208467280U CN 201820927637 U CN201820927637 U CN 201820927637U CN 208467280 U CN208467280 U CN 208467280U
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Abstract
The utility model provides a kind of gas static super-precision numerically controlled lathe, including lathe bed, X-axis mobile system, Z axis mobile system, X-axis mobile system includes X-axis pedestal, X-axis driving linear motor, X-axis air-float guide rail, mainshaft mechanism, X-axis air-float guide rail includes X-axis guide rail, slide carriage I, the output end of slide carriage I and X-axis driving linear motor is connected, and mainshaft mechanism includes spindle motor and the electro spindle that is connected with spindle motor output end；Z axis mobile system includes Z axis pedestal, Z axis driving linear motor, Z axis air-float guide rail, carriage saddle, Z axis air-float guide rail includes Z axis guide rail, the top that Z axis guide rail is arranged in and the slide carriage II matched with Z axis guide rail, and slide carriage II is connected with the output end of Z axis driving linear motor；The utility model using Air spindle, X-axis gas hydrostatic slideway, Z axis gas hydrostatic slideway and reaches three axis air bearings control by high-precision numerical control system, and machining accuracy is made to effectively improve, and realizes the high-precision processing of gas static pressure lathe.
Description
Technical field
The utility model relates to a kind of Metal Cutting Machine Tools, and in particular to a kind of gas static super-precision numerically controlled lathe.
Background technique
Currently, domestic, that generally use to the turnery processing of the inside and outside circle end face of precision metallic components is ball bearing master
Axis and the hard guide rail of oil lubrication or linear guide lathe, the bearing in ball bearing spindle is using the high-precision angle P4 grades of
Contact bearing, since the high-precision P4 grades of angular contact bearing required precision is high, so the accuracy standard limit of P4 grades of bearings
It is made as 1um, synthesis precision of the main shaft after manufacture processing and assembly is usually 2~3um；Therefore, time of ball bearing spindle
Turn precision also and can only achieve 2 ~ 3um(to be detailed in: JB/T 10801.2-2007).The linear guide of lathe ultraprecise is also because of manufacture essence
The limitation of degree, parallelism precision are preferably also difficult more than 3um/m, that is to say, that the machining accuracy of domestic existing lathe itself is most
Height can only achieve 2-3um/m.With the progress of science and technology and the development of social economy, the requirement to machining accuracy is more next
Higher, the circularity of more and more high-accuracy product workpiece requires even up to≤0.5um, and existing ball bearing spindle lathe is
Through the demand for being far from satisfying the present and following processing industry development.
Currently, domestic be not achieved aforementioned precision to the process equipment of precision metallic components inside and outside circle facing, it can only
A large amount of foreign exchange is taken by the high-precision process equipment of import to meet production requirement.
Utility model content
For the deficiency of existing equipment, the purpose of this utility model is to provide a kind of gas static super-precision numerically controlled lathe,
Using Air spindle, X-axis gas hydrostatic slideway, Z axis gas hydrostatic slideway and three axis air bearings are reached by high-precision numerical control system
Control, makes that traditional ball bearing electro spindle, sliding and rolling guide lathe change into gas static pressure workpiece electro spindle, gas static pressure is led
Trailer bed, machining accuracy effectively improve, and realize the high-precision processing of gas static pressure lathe.
The utility model to solve above-mentioned technical problem the technical solution adopted is that: a kind of gas static super-precision numerical control lathe
Bed, including lathe bed, X-axis mobile system, Z axis mobile system, the X-axis mobile system and the Z axis mobile system are arranged at
On the upper surface of the lathe bed, the axis of the X-axis mobile system is vertical with the axis of the Z axis mobile system, and the X-axis is moved
Dynamic system includes X-axis pedestal, the X-axis being arranged in above X-axis pedestal driving linear motor, is arranged on the X-axis pedestal
The X-axis air-float guide rail of side, the mainshaft mechanism being arranged in above the X-axis air-float guide rail, the X-axis air-float guide rail includes that X-axis is led
Rail, the top that the X-axis guide rail is arranged in and the slide carriage I matched with the X-axis guide rail, the slide carriage I drive with the X-axis
The output end of linear motor is connected, and the mainshaft mechanism is arranged on the upper surface of the slide carriage I, and the mainshaft mechanism includes master
Spindle motor and the electro spindle being connected with the spindle motor output end, the electro spindle is by being arranged in I upper surface of slide carriage
Collet seat be mounted on the top of the slide carriage I；
The Z axis mobile system includes Z axis pedestal, the Z axis being arranged in above Z axis pedestal driving linear motor, sets
Set Z axis air-float guide rail above the Z axis pedestal, the carriage saddle in setting above the Z axis air-float guide rail, the Z axis gas
Floating guide rail includes Z axis guide rail, the top that the Z axis guide rail is arranged in and the slide carriage II matched with the Z axis guide rail, described to slip
Plate II is connected with the output end of Z axis driving linear motor, and the carriage saddle is arranged on the upper surface of the slide carriage II.
Further, the X-axis air-float guide rail is aerostatic guide way.
Further, the Z axis air-float guide rail is aerostatic guide way.
Further, the electro spindle is pressure-feed air bearing main shaft.
Further, the X-axis mobile system axis and the electro spindle axis angle in 90 °.
Further, the X-axis pedestal is mounted on the top of the lathe bed by air spring I.
Further, the Z axis pedestal is mounted on the top of the lathe bed by air spring II.
The beneficial effects of the utility model are mainly manifested in the following aspects:
1, the electro spindle of the utility model uses pressure-feed air bearing main shaft, and air bearing spindles are returned with good runout
Turn precision, current high-precision air bearing spindles rotating accuracy reaches as high as 0.03um up to 0.05um, due to supporting in bearing
The homogenization of the pressure membrane of rotating shaft, air bearing spindles can obtain the precision higher than bearing parts itself；Air bearing
Main shaft also has that dynamic characteristic is good, accuracy life is long, do not generate vibration, rigidity/load capacity has the value to match with use condition
The advantages that；
2, the linear guide as cutter and workpiece relative positioning mechanism is the important component for being only second to main shaft, X-axis air bearing
Guide rail and Z axis air-float guide rail are aerostatic guide way, which is contactless guide rail, completely there is no concern that the production creeped
Raw, aerostatic guide way has flexible movements, without the continuous actions such as creep；Meanwhile the linear precision of aerostatic guide way is good, it is high
Calorific value is few when speed movement, and maintenance is easy, and aerostatic guide way is the best guide rail of current precision, and static air pressure is straight at present
The straightness of line guide rail is up to 0.1~0.2um/250mm；
3, the utility model provides a kind of gas static super-precision numerically controlled lathe, quiet using gas static pressure workpiece electro spindle, X-axis gas
Pressure guide rail, Z axis gas hydrostatic slideway simultaneously reach three axis air bearings control by high-precision numerical control system, make traditional ball bearing electricity master
Axis, sliding and rolling guide lathe change into gas static pressure workpiece electro spindle, gas hydrostatic slideway lathe, and machining accuracy is effectively mentioned
Height realizes the high-precision processing of gas static pressure lathe.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the utility model；
Marked in the figure: 1, lathe bed, 101, air spring I, 102, air spring II, 2, X-axis pedestal, 201, X-axis guide rail,
202, slide carriage I, 2021, collet seat, 203, X-axis driving linear motor, 3, spindle motor, 301, electro spindle, 4, Z axis pedestal,
401, Z axis guide rail, 402, slide carriage II, 5, carriage saddle.
Specific embodiment
The utility model embodiment is described in detail in conjunction with attached drawing, the present embodiment is with technical solutions of the utility model
Premise, the detailed implementation method and specific operation process are given, but the protection scope of the utility model be not limited to it is following
Embodiment.
As shown in the picture, a kind of gas static super-precision numerically controlled lathe, including the mobile system of lathe bed 1, X-axis mobile system, Z axis
System, the X-axis mobile system and the Z axis mobile system are arranged on the upper surface of the lathe bed 1, the mobile system of the X-axis
The axis of system is vertical with the axis of the Z axis mobile system, and the X-axis mobile system includes X-axis pedestal 2, is arranged in the X-axis
The X-axis driving linear motor 203 of 2 top of pedestal, is arranged in the X X-axis air-float guide rail that 2 top of X-axis pedestal is arranged in
Mainshaft mechanism above axis air-float guide rail, the X-axis pedestal 2 are mounted on the top of the lathe bed 1, institute by air spring I 101
X-axis air-float guide rail is stated to include X-axis guide rail 201, the top that the X-axis guide rail 201 is arranged in and match with the X-axis guide rail 201
The slide carriage I 202 of conjunction, the slide carriage I 202 are connected with the output end of X-axis driving linear motor 203, and the mainshaft mechanism is set
Set on the upper surface of the slide carriage I 202, the mainshaft mechanism include spindle motor 3 and with the 3 output end phase of spindle motor
Electro spindle 301 even, the X-axis mobile system axis and 301 axis of electro spindle angle in 90 °, the electro spindle 301 are
Pressure-feed air bearing main shaft, the electro spindle 301 are mounted on by the way that the collet seat 2021 of I 202 upper surface of slide carriage is arranged in
The top of the slide carriage I 202；The electro spindle 301 of the utility model uses pressure-feed air bearing main shaft, and air bearing spindles have
Good whirling precision, current high-precision air bearing spindles rotating accuracy reach as high as 0.03um up to 0.05um, by
The homogenization of the pressure membrane of supporting rotating shaft in bearing, air bearing spindles can obtain the essence higher than bearing parts itself
Degree；Air bearing spindles also have that dynamic characteristic is good, accuracy life is long, do not generate vibration, rigidity/load capacity has and uses item
The advantages that value that part matches；
The utility model is provided with and carries out the first cooling cooling water recirculation system to workpiece, and workpiece and electro spindle 301 connect
It connects, the first cooling water recirculation system includes first circulation water tank, the drip tray that is arranged on lathe bed 1, and first circulation water tank goes out
The first booster water pump is provided on water pipe, the water outlet of outlet pipe is located above workpiece, and drip tray and cyclic water tank pass through return water
Pipe connection；The drip tray is placed on lathe bed 1；
The utility model, which is additionally provided with, carries out the second cooling cooling water recirculation system to electro spindle 301, and electro spindle 301 is cold
But water circulation system includes second circulation water tank, and the second booster water pump, outlet pipe are provided on the outlet pipe of second circulation water tank
Water outlet be connected to the water inlet at 301 rear portion of electro spindle；The return pipe of cyclic water tank and the water outlet at 301 rear portion of electro spindle connect
It is logical；
The Z axis mobile system include Z axis pedestal 4, the Z axis driving linear motor that 4 top of the Z axis pedestal is set,
Z axis air-float guide rail above the Z axis pedestal 4, the carriage saddle 5 in setting above the Z axis air-float guide rail, the Z are set
Axis pedestal 4 is mounted on the top of the lathe bed 1 by air spring II 102, and X-axis air-float guide rail and Z axis air-float guide rail are sky
Gas hydrostatic slideway, the Z axis air-float guide rail include Z axis guide rail 401, the top that the Z axis guide rail 401 is set and with the Z
The slide carriage II 402 that axis rail 401 matches, the slide carriage II 402 are connected with the output end of Z axis driving linear motor, institute
Carriage saddle 5 is stated to be arranged on the upper surface of the slide carriage II 402, as the linear guide of cutter and workpiece relative positioning mechanism,
It is the important component for being only second to electro spindle 301, X-axis air-float guide rail and Z axis air-float guide rail are aerostatic guide way, which is
Contactless guide rail, completely there is no concern that the generation creeped, aerostatic guide way has flexible movements, continuous dynamic without creeping etc.
Make；Meanwhile the linear precision of aerostatic guide way is good, calorific value is few when high-speed motion, and maintenance is easy, aerostatic guide way
It is the best guide rail of current precision, the straightness of static air pressure linear guide is up to 0.1~0.2um/250mm at present；
It is servo motor that X-axis, which drives linear motor 203 and Z axis driving linear motor 403, is controlled by controller, main shaft
The input terminal of motor 3 is connected with frequency converter, and frequency converter is connected with controller, the operation panel phase of controller and accurate digital control system
Even；
The utility model provides a kind of gas static super-precision numerically controlled lathe, utilizes gas static pressure workpiece electro spindle, X-axis gas static pressure
Guide rail, Z axis gas hydrostatic slideway simultaneously reach three axis air bearings control by high-precision numerical control system, make traditional ball bearing electricity master
Axis, sliding and rolling guide lathe change into gas static pressure workpiece electro spindle, gas hydrostatic slideway lathe, and machining accuracy is effectively mentioned
Height realizes the high-precision processing of gas static pressure lathe.
Technical solution cited by the utility model and embodiment and non-limiting, with skill cited by the utility model
Art scheme and embodiment be equivalent or effect same approach is all in the range of the utility model is protected.Also need to illustrate
Be, herein, such as I, II, III relational terms be used merely to by an entity or operation with another entity or operating space
It separates, without necessarily requiring or implying between these entities or operation, there are any actual relationship or orders.
Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that including one
The process, method, article or equipment of list of elements not only includes those elements, but also other including being not explicitly listed
Element, or further include for elements inherent to such a process, method, article, or device.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that include the process, method of the element, article or
There is also other identical elements in person's equipment.
Claims (7)
1. a kind of gas static super-precision numerically controlled lathe, including lathe bed (1), X-axis mobile system, Z axis mobile system, the X-axis is moved
Dynamic system and the Z axis mobile system are arranged on the upper surface of the lathe bed (1), the axis of the X-axis mobile system with
The axis of the Z axis mobile system is vertical, it is characterised in that: the X-axis mobile system includes X-axis pedestal (2), is arranged described
X-axis above X-axis pedestal (2) drives linear motor (203), the X-axis air-float guide rail being arranged above the X-axis pedestal (2), sets
The mainshaft mechanism above the X-axis air-float guide rail is set, the X-axis air-float guide rail includes X-axis guide rail (201), is arranged in the X
The top of axis rail (201) and the slide carriage I (202) matched with the X-axis guide rail (201), the slide carriage I (202) and the X
Axis drives the output end of linear motor (203) to be connected, and the mainshaft mechanism is arranged on the upper surface of the slide carriage I (202), institute
The electro spindle (301) that mainshaft mechanism includes spindle motor (3) and is connected with the spindle motor (3) output end is stated, the electricity is main
Collet seat (2021) of the axis (301) by setting in slide carriage I (202) upper surface is mounted on the upper of the slide carriage I (202)
Side；
The Z axis mobile system include Z axis pedestal (4), be arranged above the Z axis pedestal (4) Z axis driving linear motor,
Z axis air-float guide rail above the Z axis pedestal (4), the carriage saddle (5) in setting above the Z axis air-float guide rail, institute are set
State Z axis air-float guide rail include Z axis guide rail (401), setting the Z axis guide rail (401) top and with the Z axis guide rail
(401) slide carriage II (402) matched, the slide carriage II (402) are connected with the output end of Z axis driving linear motor, institute
Carriage saddle (5) are stated to be arranged on the upper surface of the slide carriage II (402).
2. a kind of gas static super-precision numerically controlled lathe according to claim 1, it is characterised in that: the X-axis air-float guide rail
For aerostatic guide way.
3. a kind of gas static super-precision numerically controlled lathe according to claim 1, it is characterised in that: the Z axis air-float guide rail
For aerostatic guide way.
4. a kind of gas static super-precision numerically controlled lathe according to claim 1, it is characterised in that: the electro spindle (301)
For pressure-feed air bearing main shaft.
5. a kind of gas static super-precision numerically controlled lathe according to claim 1, it is characterised in that: the X-axis mobile system
Axis and the electro spindle (301) axis angle in 90 °.
6. a kind of gas static super-precision numerically controlled lathe according to claim 1, it is characterised in that: the X-axis pedestal (2) is logical
Cross the top that air spring I (101) is mounted on the lathe bed (1).
7. a kind of gas static super-precision numerically controlled lathe according to claim 1, it is characterised in that: the Z axis pedestal (4) is logical
Cross the top that air spring II (102) is mounted on the lathe bed (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820927637.9U CN208467280U (en) | 2018-06-15 | 2018-06-15 | A kind of gas static super-precision numerically controlled lathe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820927637.9U CN208467280U (en) | 2018-06-15 | 2018-06-15 | A kind of gas static super-precision numerically controlled lathe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215646A (en) * | 2019-12-09 | 2020-06-02 | 北京海普瑞森超精密技术有限公司 | Horizontal ultra-precise optical lens centering lathe |
| CN112894275A (en) * | 2021-01-18 | 2021-06-04 | 焦作市陆创光电有限责任公司 | Micro-channel heat sink substrate superfinishing method |
| CN113400098A (en) * | 2021-06-18 | 2021-09-17 | 江苏集萃精凯高端装备技术有限公司 | Double-shaft air-floating platform and air static pressure multi-shaft machine tool |
-
2018
- 2018-06-15 CN CN201820927637.9U patent/CN208467280U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215646A (en) * | 2019-12-09 | 2020-06-02 | 北京海普瑞森超精密技术有限公司 | Horizontal ultra-precise optical lens centering lathe |
| CN111215646B (en) * | 2019-12-09 | 2021-05-25 | 北京海普瑞森超精密技术有限公司 | Horizontal ultra-precise optical lens centering lathe |
| CN112894275A (en) * | 2021-01-18 | 2021-06-04 | 焦作市陆创光电有限责任公司 | Micro-channel heat sink substrate superfinishing method |
| CN112894275B (en) * | 2021-01-18 | 2024-02-20 | 焦作市陆创光电有限责任公司 | Micro-channel heat sink substrate superfinishing method |
| CN113400098A (en) * | 2021-06-18 | 2021-09-17 | 江苏集萃精凯高端装备技术有限公司 | Double-shaft air-floating platform and air static pressure multi-shaft machine tool |
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