CN104551850A - Numerical control machine tool spindle intelligent cooling system and working process thereof - Google Patents
Numerical control machine tool spindle intelligent cooling system and working process thereof Download PDFInfo
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- CN104551850A CN104551850A CN201510034385.8A CN201510034385A CN104551850A CN 104551850 A CN104551850 A CN 104551850A CN 201510034385 A CN201510034385 A CN 201510034385A CN 104551850 A CN104551850 A CN 104551850A
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- main shaft
- oil
- cooling
- spindle
- machine tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Control Of Machine Tools (AREA)
Abstract
The invention discloses a numerical control machine tool spindle intelligent cooling system and a working process thereof. The working process includes the steps of (1) performing temperature field simulation analysis on a spindle according to the actual structural size of the spindle to determine a thermosensitive area; (2) machining a spiral cutting groove in the outer surface of the thermosensitive area, forming an oil circulation cavity of an annular groove with a spindle oil cooling sleeve, and arranging a seal ring for sealing; (3) mounting a wireless acquisition transmitting module inside the spindle, and transmitting temperature information to a wireless receiving module outside the spindle; (4) determining through the wireless receiving module according to the received information, and starting an alarm device and an oil pump if the temperature exceeds a set threshold value, wherein the cooling oil enters a spindle oil cooling channel through a filter and finally returns to an oil tank from an oil outlet to form a closed-loop control circulation cooling system. The numerical control machine tool spindle intelligent cooling system and the working process thereof can perform intelligent control of the oil pump opening and closing according to the actually-measured temperature of the thermosensitive area of the spindle to achieve quick and effective cooling of the spindle and have the advantages of being low in energy consumption and high in efficiency and the like.
Description
Technical field
The present invention relates to a kind of cooling system, be specifically related to a kind of main shaft of numerical control machine tool Intelligence Cooling System and workflow thereof.
Background technology
Along with the fast development of manufacturing technology, the location repeatable accuracy of Digit Control Machine Tool and cutting performance obtain and improve constantly, geometric error common in lathe and cutting force-induced error also obtain good solution to a certain extent, and become one of principal element affecting machine finish just gradually due to the main shaft High Rotation Speed Thermal Error caused that generates heat.
At present, the main shaft of numerical control machine tool type of cooling mainly contains three kinds: (1) to form cooling cavities, adopts recirculated water cooling or oil cooling to reduce main shaft temperature rise at whole main shaft outside or inside processing helicla flute.At spindle axis internal layer cover outer surface processing helicla flute, such as patent " numerical control machine spindle axis cooling device " (CN 101941162 A) ensures that main shaft Internal and external cycle is cooled simultaneously, this method solves main shaft thermal deformation problem to a certain extent, but exist monoblock type grooving processing capacity large, without specific aim, high in cost of production problem.(2) adopt air cooling way to cool, namely on main shaft, install fan additional, make air produce convection current by fan rotation and reduce the temperature rise of main shaft.Such as patent " a kind of machine tool mainshaft bearing cooling structure " (CN 104141698 A) increases a radiator fan in machine tool mainshaft bearing rear end, the blade of this fan is to lopsidedness, and the heat that bearing rotary produces distributes by the air-flow that can be formed when rotated perpendicular to end face.This method structure is simple, rapid heat dissipation, but fan self also can produce heat in the process rotated with main shaft, and when main shaft is in middle low speed, rotation speed of the fan slows down, and radiating effect is deteriorated.(3) matured product main shaft oil cold is adopted to cool, such as patent " a kind of spindle cooling device " (CN 202701905 U) discloses a kind of oil cooling machine, adopt this equipment that main shaft temperature can be made to control all the time to work being less than in the environment of 20 DEG C, extend the service life of main shaft.Although the method rapid heat dissipation, stability are high, this type of equipment price costly, and once start just carries out periodicity oil cooling to main shaft, can not adjust cool time in real time according to main shaft temperature, add energy consumption.
For the deficiencies in the prior art, the present invention proposes a kind of main shaft of numerical control machine tool intelligence cooling means and system, this system can carry out wireless monitor and transmission to main shaft heat sensitive area, and carries out judging thus the opening and closing of control oil pump according to the threshold value of setting, realizes the intelligent circulation cooling of main shaft.System has the features such as energy consumption is low, efficiency is high, structure is simple, can be suitable for the cooling of main shaft of numerical control machine tool.
Summary of the invention
Goal of the invention: in order to solve the deficiencies in the prior art, the invention provides a kind of energy consumption is low, oil cooling efficiency is high main shaft of numerical control machine tool intelligence cooling means and system.
Technical scheme: a kind of main shaft of numerical control machine tool Intelligence Cooling System: comprise main shaft, helical cutting, oil cooling cover, sealing ring, fuel feed hole, oil outlet, wireless temperature acquisition sending module, wireless receiving module, oil pump controller, oil pump, filter and fuel tank;
Described helical cutting obtains in the processing of main shaft heat sensitive area outer surface, and main shaft oil cooling cover is installed on main shaft, described helical cutting and oil cooling overlap to coordinate and form annular oil circuit, and oil cooling puts and has fuel feed hole and oil outlet, and two ends are equipped with sealing ring and are sealed;
Described main shaft is inner installs wireless temperature acquisition sending module near position, heat sensitive area, outside placement wireless receiving module; Described wireless receiving module is connected with oil pump controller and oil pump in turn, and cold oil is transported to the fuel feed hole of main shaft oil cooling gallery by oil pump through filter, after circulating cooling, return fuel tank.
As optimization: it is inner that described wireless temperature acquisition sending module is placed in main shaft heat sensitive area, primarily of temperature sensing unit, wireless transmission unit, signal processing unit, memory cell and power supply unit composition, wherein, memory cell be mainly used in memory module run time parameter and measurement data.
As optimization: described wireless receiving module is placed in main shaft outside, form primarily of radio receiving unit, memory cell, relay control unit, power supply unit and alarm unit, wherein, relay control unit connects oil pump controller, and relay control unit is responsible for opening and closing oil pump.
Before cooling, parameter configuration is carried out to radio receiving transmitting module, mainly comprise the sample rate of sensor, sampling interval, the transmitting-receiving speed of temperature threshold and wireless communication unit, transmitting-receiving frequency and transmitted power etc.
The workflow of described main shaft of numerical control machine tool Intelligence Cooling System, comprises the steps:
(1) according to main shaft practical structures, carry out temperature field simulate analysis, draw heat sensitive area;
(2) at heat sensitive area outer surface processing helical cutting, cannelure and main shaft oil cooling overlap and form oil circulation cavity, are equipped with sealing ring sealing;
(3) simultaneously, wireless temperature acquisition sending module is arranged on main shaft heat sensitive area inner, wireless receiving module is placed on main shaft outside, and configuration operation parameter, Control delivery outlet is connected with oil pump controller meanwhile; During work, the temperature sensor in wireless temperature acquisition sending module carries out real time temperature measurement to main shaft heat sensitive area, and temperature information is transferred to wireless receiving module by wireless transmission unit;
(4) then, wireless receiving module judges according to the threshold value of setting, if exceed the threshold value of setting, then start alarm and open oil pump by relay, the fuel feed hole that cold oil flows to annular oil circuit through filter is entered main shaft oil cooling gallery by oil pump, after circulating cooling, finally return fuel tank by oil outlet, form the circulating cooling system of closed-loop control.
As optimization: in described step (1), be specially: before oil cooling, first three-dimensional modeling is carried out to main shaft, according to main shaft practical structures and Size calculation main shaft thermal boundary parameter, imported in finite element emulation software and carried out temperature field analysis, utilize Probe pointer functionality in conjunction with main shaft practical structures size determination main shaft heat sensitive area.
As optimization: in described step (2), be specially: heat sensitive area outer surface is processed into spiral helicine annular grooving, and on this region of main shaft, main shaft oil cooling cover is installed, main shaft oil cooling puts and has fuel feed hole and oil outlet, and two ends are equipped with sealing ring and seal.
Beneficial effect: concrete advantage of the present invention is as follows:
1. solve existing oil cooling machine on market and can not adjust the problem of cool time according to main shaft temperature in real time, reduce energy consumption.
2. avoid and helicla flute is opened to whole main shaft carry out oil cooling, improve cooling effectiveness, decrease oil cooling cost.
3. solve the problem such as wiring complexity, maintenance circuit difficulty that line monitoring system exists.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is working-flow figure of the present invention;
Fig. 3 is wireless temperature acquisition sending module schematic diagram;
Fig. 4 is wireless receiving module schematic diagram.
Label title in figure: 1. sealing ring, 2. fuel feed hole, 3. helical cutting, 4. main shaft oil cooling cover, 5. main shaft, 6. wireless collection sending module, 7. oil outlet, 8. wireless receiving module, 9. oil pump controller, 10. filter, 11. oil pumps, 12. fuel tanks.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment
As shown in Figure 1, a kind of main shaft of numerical control machine tool Intelligence Cooling System: comprise main shaft 5, helical cutting 3, oil cooling cover 4, sealing ring 1, fuel feed hole 2, oil outlet 7, wireless temperature acquisition sending module 6, wireless receiving module 8, oil pump controller 9, oil pump 11, filter 10 and fuel tank 12.Described helical cutting 3 obtains in the processing of main shaft 5 heat sensitive area outer surface, and main shaft oil cooling cover 4 is installed on main shaft 5, described helical cutting 3 and oil cooling overlap 4 and coordinate and form annular oil circuit, and oil cooling cover 4 has fuel feed hole 2 and oil outlet 7, and two ends are equipped with sealing ring 1 and are sealed.Described main shaft 5 is inner installs wireless temperature acquisition sending module 6 near position, heat sensitive area, outside placement wireless receiving module 8; Described wireless receiving module 8 is connected with oil pump controller 9 and oil pump 11 in turn, and cold oil is transported to the fuel feed hole 2 of main shaft oil cooling gallery by oil pump 11 through filter 10, return fuel tank 12 after circulating cooling.It is inner that described wireless temperature acquisition sending module 6 is placed in main shaft 5 heat sensitive area, primarily of temperature sensing unit, wireless transmission unit, signal processing unit, memory cell and power supply unit composition, wherein, memory cell be mainly used in memory module run time parameter and measurement data.Described wireless receiving module 8 is placed in main shaft outside, form primarily of radio receiving unit, memory cell, relay control unit, power supply unit and alarm unit, wherein, relay control unit connects oil pump controller 9, and relay control unit is responsible for opening and closing oil pump.Before cooling, parameter configuration is carried out to radio receiving transmitting module, mainly comprise the sample rate of sensor, sampling interval, the transmitting-receiving speed of temperature threshold and wireless communication unit, transmitting-receiving frequency and transmitted power etc.
The workflow of described main shaft of numerical control machine tool Intelligence Cooling System, comprises the steps:
(1) according to main shaft 5 practical structures, carry out temperature field simulate analysis, draw heat sensitive area; Be specially: before oil cooling, first three-dimensional modeling is carried out to main shaft (5), according to main shaft 5 practical structures and Size calculation main shaft thermal boundary parameter, imported in finite element emulation software and carried out temperature field analysis, utilize Probe pointer functionality in conjunction with main shaft practical structures size determination main shaft heat sensitive area.
(2) at heat sensitive area outer surface processing helical cutting 3, cannelure and main shaft oil cooling overlap 4 and form oil circulation cavity, are equipped with sealing ring 1 and seal; Be specially: be processed into by heat sensitive area outer surface with spiral helicine annular grooving 3, and on this region of main shaft, install main shaft oil cooling cover 4, main shaft oil cooling cover 4 has fuel feed hole 2 and oil outlet 7, and two ends are equipped with sealing ring 1 and seal.
(3) simultaneously, wireless temperature acquisition sending module 6 is arranged on main shaft heat sensitive area inner, wireless receiving module 8 is placed on main shaft outside, and configuration operation parameter, Control delivery outlet is connected with oil pump controller (9) meanwhile; During work, the temperature sensor in wireless temperature acquisition sending module 6 carries out real time temperature measurement to main shaft heat sensitive area, and temperature information is transferred to wireless receiving module 8 by wireless transmission unit.
(4) then, wireless receiving module 8 judges according to the threshold value of setting, if exceed the threshold value of setting, then start alarm and open oil pump 11 by relay, the fuel feed hole 2 that cold oil flows to annular oil circuit through filter 10 is entered main shaft oil cooling gallery by oil pump 11, after circulating cooling, finally return fuel tank 12 by oil outlet 7, form the circulating cooling system of closed-loop control.
The invention provides a kind of main shaft of numerical control machine tool intelligence cooling means and system.Above content is the main axle structure further description made for the present invention in conjunction with a kind of vertical machining centre, and specific embodiment of the invention is not only confined to these explanations.Under the prerequisite not departing from design of the present invention and method, any simple modification made or alternative, all should at protection category of the present invention.
Claims (6)
1. a main shaft of numerical control machine tool Intelligence Cooling System, is characterized in that:
Comprise main shaft (5), helical cutting (3), oil cooling cover (4), sealing ring (1), fuel feed hole (2), oil outlet (7), wireless temperature acquisition sending module (6), wireless receiving module (8), oil pump controller (9), oil pump (11), filter (10) and fuel tank (12);
Described helical cutting (3) obtains in the processing of main shaft (5) heat sensitive area outer surface, and at main shaft (5) upper installation main shaft oil cooling cover (4), described helical cutting (3) coordinates with oil cooling cover (4) and forms annular oil circuit, sealing ring (1) is equipped with oil cooling cover (4) has fuel feed hole (2) and oil outlet (7), and two ends and are sealed;
Described main shaft (5) is inner installs wireless temperature acquisition sending module (6) near position, heat sensitive area, outside placement wireless receiving module (8); Described wireless receiving module (8) is connected with oil pump controller (9) and oil pump (11) in turn, and cold oil is transported to the fuel feed hole (2) of main shaft oil cooling gallery by oil pump (11) through filter (10), return fuel tank (12) after circulating cooling.
2. main shaft of numerical control machine tool Intelligence Cooling System according to claim 1, it is characterized in that: it is inner that described wireless temperature acquisition sending module (6) is placed in main shaft (5) heat sensitive area, primarily of temperature sensing unit, wireless transmission unit, signal processing unit, memory cell and power supply unit composition, wherein, memory cell be mainly used in memory module run time parameter and measurement data.
3. main shaft of numerical control machine tool Intelligence Cooling System according to claim 1, it is characterized in that: described wireless receiving module (8) is placed in main shaft outside, form primarily of radio receiving unit, memory cell, relay control unit, power supply unit and alarm unit, wherein, relay control unit connects oil pump controller (9), and relay control unit is responsible for opening and closing oil pump.
4. the workflow of main shaft of numerical control machine tool Intelligence Cooling System according to claim 1, is characterized in that:
Comprise the steps:
(1) according to main shaft (5) practical structures, carry out temperature field simulate analysis, draw heat sensitive area;
(2) at heat sensitive area outer surface processing helical cutting (3), cannelure and main shaft oil cooling cover (4) form oil circulation cavity, are equipped with sealing ring (1) sealing;
(3) simultaneously, wireless temperature acquisition sending module (6) is arranged on main shaft heat sensitive area inner, wireless receiving module (8) is placed on main shaft outside, and configuration operation parameter, meanwhile, Control delivery outlet is connected with oil pump controller (9); During work, the temperature sensor in wireless temperature acquisition sending module (6) carries out real time temperature measurement to main shaft heat sensitive area, and temperature information is transferred to wireless receiving module (8) by wireless transmission unit;
(4) then, wireless receiving module (8) judges according to the threshold value of setting, if exceed the threshold value of setting, then start alarm and open oil pump (11) by relay, the fuel feed hole (2) that cold oil flows to annular oil circuit through filter (10) is entered main shaft oil cooling gallery by oil pump (11), after circulating cooling, finally return fuel tank (12) by oil outlet (7), form the circulating cooling system of closed-loop control.
5. the workflow of main shaft of numerical control machine tool Intelligence Cooling System according to claim 4, it is characterized in that: in described step (1), be specially: before oil cooling, first three-dimensional modeling is carried out to main shaft (5), according to main shaft (5) practical structures and Size calculation main shaft thermal boundary parameter, imported in finite element emulation software and carried out temperature field analysis, utilize Probe pointer functionality in conjunction with main shaft practical structures size determination main shaft heat sensitive area.
6. the workflow of main shaft of numerical control machine tool Intelligence Cooling System according to claim 4, it is characterized in that: in described step (2), be specially: heat sensitive area outer surface is processed into spiral helicine annular grooving (3), and on this region of main shaft, main shaft oil cooling cover (4) is installed, main shaft oil cooling cover (4) has fuel feed hole (2) and oil outlet (7), two ends are equipped with sealing ring (1) and seal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510034385.8A CN104551850A (en) | 2015-01-23 | 2015-01-23 | Numerical control machine tool spindle intelligent cooling system and working process thereof |
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| CN201510034385.8A CN104551850A (en) | 2015-01-23 | 2015-01-23 | Numerical control machine tool spindle intelligent cooling system and working process thereof |
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Cited By (7)
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| CN108067959A (en) * | 2016-11-10 | 2018-05-25 | 天津市昊航复合管业有限公司 | Temperature quickly cooling device in a kind of composite steel tube bruting process |
| CN108274300A (en) * | 2018-03-20 | 2018-07-13 | 东莞市台克机械有限公司 | A kind of cold oil case of machining center |
| CN108356601A (en) * | 2017-01-26 | 2018-08-03 | 永进机械工业股份有限公司 | Comprehensive process main shaft system adaptability cooling controller and method |
| CN108527162A (en) * | 2018-04-08 | 2018-09-14 | 南通大学 | A kind of adaptive cooling system of grinding machine spindle temperature wireless and method |
| CN109227221A (en) * | 2018-11-09 | 2019-01-18 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Double helix main shaft temperature control system and its control method |
| CN110712064A (en) * | 2019-11-04 | 2020-01-21 | 上海交通大学 | Intelligent numerical control machine tool lubricating system |
| CN115401520A (en) * | 2022-08-29 | 2022-11-29 | 世合精密制品(深圳)有限公司 | Full-automatic numerical control lathe |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067959A (en) * | 2016-11-10 | 2018-05-25 | 天津市昊航复合管业有限公司 | Temperature quickly cooling device in a kind of composite steel tube bruting process |
| CN108356601A (en) * | 2017-01-26 | 2018-08-03 | 永进机械工业股份有限公司 | Comprehensive process main shaft system adaptability cooling controller and method |
| CN108274300A (en) * | 2018-03-20 | 2018-07-13 | 东莞市台克机械有限公司 | A kind of cold oil case of machining center |
| CN108527162A (en) * | 2018-04-08 | 2018-09-14 | 南通大学 | A kind of adaptive cooling system of grinding machine spindle temperature wireless and method |
| CN109227221A (en) * | 2018-11-09 | 2019-01-18 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Double helix main shaft temperature control system and its control method |
| CN110712064A (en) * | 2019-11-04 | 2020-01-21 | 上海交通大学 | Intelligent numerical control machine tool lubricating system |
| CN115401520A (en) * | 2022-08-29 | 2022-11-29 | 世合精密制品(深圳)有限公司 | Full-automatic numerical control lathe |
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Address after: 226000 Jiangsu city of Nantong province Gangzha Yongtong Road Economic Development Zone No. 2 Applicant after: Nantong Guosheng Intelligent Technology Group Limited by Share Ltd Applicant after: Nantong University Address before: 226000 Jiangsu province Nantong city Gangzha District Gangzha Yongtong Road Economic Development Zone No. 2 Applicant before: Nantong Guosheng Electromechanical Group Co., Ltd. Applicant before: Nantong University |
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