CN102430957A - Machine tool operating temperature control system and method - Google Patents
Machine tool operating temperature control system and method Download PDFInfo
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- CN102430957A CN102430957A CN2011104012678A CN201110401267A CN102430957A CN 102430957 A CN102430957 A CN 102430957A CN 2011104012678 A CN2011104012678 A CN 2011104012678A CN 201110401267 A CN201110401267 A CN 201110401267A CN 102430957 A CN102430957 A CN 102430957A
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Abstract
The invention provides a machine tool operating temperature control system and method. The machine tool operating temperature control system comprises an oil temperature detection sensor, a master controller and an oil cooling machine, wherein the oil temperature detection sensor is connected with accumulated oil in an oil accumulation region inside the machine tool, and is used for detecting the temperature of lubricating oil after parts are cooled through a sensor probe and sending a detection signal according to the detected temperature; the master controller is connected with the oil temperature detection sensor and is used for receiving and sending the detection signal; and the oil cooling machine comprises an oil temperature controller, the oil temperature controller is connected with the master controller and is used for adjusting the temperature of the lubricating oil after receiving the detection signal sent by the master controller. According to the invention, the oil temperature sensor is used for detecting the oil temperature, and the oil temperature controller of the oil cooling machine is used for automatically adjusting the oil temperature, thus the influence of the temperature of the operating machine tool on the processing precision of the machine tool is overcome and the processing precision of the machine tool is further improved.
Description
Technical field
The present invention relates to the machining technique field, relate in particular to a kind of lathe running temperature control system and method.
Background technology
China is a lathe demand big country, and every year all need be from a large amount of lathes of external import, particularly large-scale, heavy machine tool and precision finishing machine.The machining accuracy of lathe is except depend on the design accuracy also with the residing working environment of lathe direct correlation is arranged greatly.Some famous lathe manufacturing firms, its assembly shop is isoperibol, and purpose is exactly for guaranteeing the machining accuracy and the assembly precision of lathe.
But lathe exists between each driving-chain to be meshing with each other and rubbing action in running, also can produce certain heat, that is to say that operating lathe itself also is a pyrotoxin.Though cooling effect through lubricating fluid; Heat in the lathe running can be pulled away a part, but most of heat has still got into the inside of institute's processing parts, and under continuous running status; Heat can constantly accumulate in part inside, and then causes the thermal deformation of part.Can find out through above-mentioned analysis, operating lathe, the temperature of itself also can impact the machining accuracy of lathe.
Summary of the invention
The objective of the invention is to propose a kind of lathe running temperature control system and method, lathe produces the problem of too high temperature rise in the lathe running to solve, and then improves the machining accuracy of lathe.
First aspect, lathe running temperature control of the present invention system comprises: oily temperature detecting sensor, control total system device and oily cooler.Wherein, the long-pending oil phase in the inner Ji You district of oily temperature detecting sensor and lathe is connected, is used for detecting through sensor probe the temperature of the lubricating oil behind the cooling part, and detected this temperature of foundation, the transmission detection signal; Master controller is connected with oily temperature detecting sensor, is used to receive concurrent censorship and surveys signal; The oil cooler comprises oily temperature controller, and oily temperature controller is connected with master controller, is used for behind the detection signal that the reception master controller sends, the temperature of lubricating oil being regulated.And, between inner Ji You district of lathe and oily cooler, be connected with oil-feed oil circuit and oil return circuit.
Preferably, in the above-mentioned lathe running temperature control system, also be connected with the first fuel-flow control device in the oil-feed oil circuit; And the first fuel-flow control device also is connected with master controller.
Preferably, in the above-mentioned lathe running temperature control system, also be connected with the second fuel-flow control device in the oil return circuit; And the second fuel-flow control device also is connected with master controller.
Preferably, in the above-mentioned lathe running temperature control system, detection signal comprises first detection signal; First detection signal does, the signal that the detected temperature value of oily temperature detecting sensor sends during greater than the preset temperature higher limit.
Preferably, in the above-mentioned lathe running temperature control system, detection signal also comprises second detection signal; Second detection signal does, the signal that the detected temperature value of oily temperature detecting sensor sends during less than the preset temperature lower limit.
Preferably, in the above-mentioned lathe running temperature control system, master controller is connected with the digital control system of lathe.
Preferably, in the above-mentioned lathe running temperature control system, master controller is the digital control system of lathe.
Lathe running temperature of the present invention is controlled system and is detected the oil temperature according to oil temperature sensor; And utilize oily temperature controller in the oily cooler to the oily temperature oil that automatically adjusts; The temperature that has overcome operating lathe itself can be to the influence of the machining accuracy of lathe, and then has improved the machining accuracy of lathe.
Second aspect, lathe running temperature control method of the present invention comprises the steps: to detect step, temperature adjustment step and oil-feed step.Wherein, detect step and be the temperature of the lubricating oil behind the detection cooling part; And the temperature of the detected lubricating oil of foundation is sent detection signal; Temperature adjustment step is according to detection signal, through the oily temperature controller in the control oil cooling machine, the oily temperature that does not get into the lubricating oil in the oil-feed oil circuit as yet to be regulated, and then regulate the lathe running temperature.
Preferably; In the above-mentioned lathe running temperature control method; Also comprise second temperature adjustment step, this step flows in the oil-feed oil circuit of lathe at lubricating oil, and the fuel-flow control device is set; Regulate flow rate of lubricating oil by the fuel-flow control device, through augmented flow or reduce the temperature that the mode of flow is further regulated the lathe operation.
Preferably, in the above-mentioned lathe running temperature control method, detection signal comprises first detection signal and/or second detection signal; Wherein, first detection signal is the signal that when the temperature that detects is higher than the demarcation higher limit, sends; Second detection signal is the signal that when the temperature that detects is lower than the demarcation lower limit, sends.
Lathe running temperature control method of the present invention is passed through the concurrent censorship of temperature of the lubricating oil behind the detection cooling part and is surveyed signal; The oily temperature control mode that oily temperature is automatically adjusted according to detection signal by the oily temperature controller in the oily cooler then; The temperature that has overcome operating lathe itself can be to the influence of the machining accuracy of lathe, and then has improved the machining accuracy of lathe.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of lathe running temperature control first embodiment of system of the present invention;
Fig. 2 is the structural representation of lathe running temperature control second embodiment of system of the present invention;
Fig. 3 is the structural representation of lathe running temperature control method the 3rd embodiment of the present invention;
Fig. 4 is the structural representation of lathe running temperature control method the 4th embodiment of the present invention.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
First embodiment
With reference to Fig. 1, Fig. 1 is the structural representation of lathe running temperature control first embodiment of system of the present invention.
Among this embodiment, lathe running temperature control system comprises: oily temperature detecting sensor 1, master controller 2 and oily cooler 5.
Wherein, the long-pending oil phase in the inner Ji You district 7 of oily temperature detecting sensor 1 and lathe is connected, is used for cooling off through sensor probe 6 detections the temperature of the lubricating oil behind the parts; And, send detection signal according to detected temperature; Master controller 2 is connected with oily temperature detecting sensor 1, is used to receive concurrent censorship and surveys signal; Oil cooler 5 comprises oily temperature controller 4, and oily temperature controller 4 is connected with master controller 2, is used for behind the detection signal that reception master controller 2 sends, the temperature of lubricating oil being regulated.And, between inner Ji You district 7 of lathe and oily cooler 5, be connected with oil-feed oil circuit 10 and oil return circuit 11.
For precision machine tool, variation of temperature is a lethal factor to the precision of lathe, and the rising of temperature can cause the distortion of key components and parts, and the end that changes part is jumped and precision.Therefore the temperature in the time of will trying one's best the controller bed operating.Because lathe inner body temperature constantly accumulates; The temperature of the lubricating oil of each process part also is constantly to raise; And the lathe inner product has a certain amount of lubricating oil, and the lubricating oil that constantly heats up just can play reaction to the bulk temperature of lathe, and the lathe bulk temperature is raise; Reduce machine tool accuracy, and then reduce the machining accuracy of workpiece.
And in the present embodiment; Detect the oil temperature according to oil temperature sensor; And utilize oily temperature controller in the oily cooler to the oily temperature oil that automatically adjusts, the temperature that has overcome operating lathe itself can be to the influence of the machining accuracy of lathe, and then has improved the machining accuracy of lathe.
Further, the detection signal among this embodiment can comprise first detection signal and second detection signal.
Wherein, first detection signal does, the signal that oily temperature detecting sensor 1 detected temperature value sends during greater than the preset temperature higher limit.Through first detection signal, can avoid lathe to make the too high defective that influences machining accuracy of temperature of lathe itself because of reasons such as frictions at running, promptly can controller bed operating temperature in the reasonable scope, guarantee the lathe running precision.
Second detection signal does, the signal that said oil temperature detecting sensor 1 detected temperature value sends during less than the preset temperature lower limit.Through second detection signal, when guaranteeing machine tool accuracy, accomplish not waste energy, arrive environment protecting.
In the above-mentioned lathe running temperature control system, master controller 2 can be a controller independently, during practical implementation; Can be connected with the digital control system of lathe; Certainly, also can be realized the function of controller by the digital control system of lathe, promptly master controller 2 is a digital control system.
Second embodiment
With reference to Fig. 2, Fig. 2 is the structural representation of lathe running temperature control second embodiment of system of the present invention.
Among this embodiment, comprise oily temperature detecting sensor 1, digital control system 21, the first fuel-flow control device 3, oily temperature controller 4, oily cooler 5, sensor probe 6, lathe inner product oil district 7, lathe inner product the oil 8 and second fuel-flow control device 9.
Oil warm detecting sensor 1 and lathe are connected in the inner Ji You district 7, are used for cooling off through sensor probe 6 detections the temperature of the lubricating oil behind the parts; And, send detection signal according to detected temperature; Controller 2 is connected with oily temperature detecting sensor 1, is used to receive concurrent censorship and surveys signal; Oil cooler 5 is connected with controller 2, is used for behind the detection signal that reception controller 2 sends, the temperature of lubricating oil being regulated.And, between inner Ji You district 7 of lathe and oily cooler 5, be connected with oil-feed oil circuit 10 and oil return circuit 11.
Wherein, Oil temperature controller 4 directly is loaded in the oily cooler 5; Be used for controlling the chilling temperature of oily cooler 5 cold oils, the first fuel-flow control device 3 and the second fuel-flow control device 9 are arranged at respectively in oil-feed oil circuit 10 and the oil return circuit 11, are used to control the oil mass of oil-feed oil circuit 10 and oil return circuit 11.
During use, the sensor probe 6 of oil temperature detecting sensor 1 is positioned in the lathe inner product oil 8 in lathe inner product oil district 7, detects the temperature of the lubricating oil behind the inner cooling of the lathe part.
When temperature is higher than the demarcation higher limit; Oil temperature sensor 1 sends signal, and signal passes to digital control system 21, and digital control system 21 is sent signal oil supply temperature controller 4, the first fuel-flow control device 3 and the second fuel-flow control device 9 simultaneously; Increase the oil mass of oil-feed oil circuit when reducing the oil temperature; So just can strengthen the cooling-down effect of lubricating oil, the running temperature of control lathe guarantees the lathe running precision in the reasonable scope.Because lubricants capacity increases, lathe inside certainly will have a large amount of long-pending oil, therefore, also will increase the oil mass of oil return oil mass, avoids lathe inside that long-pending oil is arranged too much.
When temperature was lower than the demarcation lower limit, oil temperature sensor 1 sent signal, and signal passes to digital control system 21; Digital control system 21 is sent signal oil supply temperature controller 4 simultaneously, the first fuel-flow control device 3 reaches and the second fuel-flow control device 9, reduces the oil mass of oil-feed oil circuit when increasing the oil temperature, when the lathe running temperature is within zone of reasonableness; With less oil mass and higher oil temperature; Also can arrive the effect that cools, the running temperature that so not only can control lathe guarantees the lathe running precision in the reasonable scope; Can also promote environmental protection, practice thrift cost.Because lubricants capacity reduces, lathe inner product oil will certainly reduce, and therefore, also will reduce the oil mass of oil return oil mass, avoids scavenge oil pump sky to occur and takes out phenomenon, shortens its service life.
In the present embodiment lathe running temperature control system, adopt temperature controller and fuel-flow control device control temperature simultaneously; And, in oil-feed and oil return, be equipped with the fuel-flow control device, guarantee that the inner oil mass of lathe is moderate.
Can find out from this embodiment, in the present embodiment lathe running temperature control system, adopt temperature detection sensor, oily temperature controller, fuel-flow control device to arrive the effect of automatic adjusting cold oil temperature; System can detect the oil temperature according to oil temperature sensor, regulates the oil mass in oily temperature and oil-feed oil circuit, the oil return circuit automatically, and whole process has realized automation; Convenient and swift; Guaranteed the lathe running temperature within zone of reasonableness, prevented that the inner correlated parts of lathe from producing excessive distortion, guaranteed part precision; Thereby also guaranteed the design accuracy of lathe, further guaranteed the machining accuracy of workpiece.
The 3rd embodiment
With reference to Fig. 3, the invention also discloses a kind of lathe running temperature control method, comprise the steps:
Detect step S310, the temperature of the lubricating oil behind the detection cooling part; And the temperature of the detected lubricating oil of foundation is sent detection signal; The first temperature adjustment step S320 according to said detection signal, through the oily temperature controller in the control oil cooling machine, regulates the oily temperature that does not get into the lubricating oil in the oil-feed oil circuit as yet, and then regulates the lathe running temperature.
Detection signal comprises can first detection signal and second detection signal.Wherein, said first detection signal is when carrying out the detection step, to detect the temperature of obtaining and be higher than the signal that sends when demarcating higher limit.Said second detection signal is when carrying out the detection step, to detect the temperature of obtaining and be lower than the signal that sends when demarcating lower limit.
In the present embodiment; Signal is surveyed in the concurrent censorship of temperature through the lubricating oil behind the detection cooling part; The oily temperature control mode that oily temperature is automatically adjusted according to detection signal by the oily temperature controller in the oily cooler then; The temperature that has overcome operating lathe itself can be to the influence of the machining accuracy of lathe, and then has improved the machining accuracy of lathe.
The 4th embodiment
With reference to Fig. 4, on the basis of the 3rd embodiment, do further improvement; Promptly behind the first temperature adjustment step S320; Also be provided with the second temperature adjustment step S330, this step flows in the oil-feed oil circuit of lathe at lubricating oil, and the fuel-flow control device is set; Regulate flow rate of lubricating oil by the fuel-flow control device, through augmented flow or reduce the temperature that the mode of flow is further regulated the lathe operation.
Certainly, during as if increase flow rate of lubricating oil in the oil-feed oil circuit, lathe inside certainly will have a large amount of long-pending oil, therefore, also will increase the flow in the oil return loop, keeps away in order to avoid there is too much long-pending oil lathe inside.On the contrary, if the oil-feed oil circuit reduces flow, then lathe inner product oil will certainly reduce, and therefore, also will reduce the flow of lubrication in the oil return circuit, avoids scavenge oil pump sky to occur and takes out phenomenon, causes the shortening in service life.
Present embodiment is regulated the oil mass in oily temperature and the oil-feed oil circuit automatically according to detected oil temperature, and whole process has realized automation; Convenient and swift; Guaranteed the lathe running temperature within zone of reasonableness, prevented that the inner correlated parts of lathe from producing excessive distortion, guaranteed part precision; Thereby also guaranteed the design accuracy of lathe, further guaranteed the machining accuracy of workpiece.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a lathe running temperature control system is characterized in that, comprising:
Oil warm detecting sensor (1) is connected with long-pending oil phase in the inner Ji You district (7) of lathe, is used for cooling off through sensor probe (6) detection the temperature of the lubricating oil behind the part; And, send detection signal according to detected this temperature;
Master controller (2) is connected with said oil temperature detecting sensor (1), is used for receiving and sending said detection signal;
Oil cooler (5) comprises oily temperature controller (4), and said oily temperature controller (4) is connected with said master controller (2), is used for behind the detection signal that the said master controller of reception (2) sends, the temperature of lubricating oil being regulated;
And, between inner Ji You district (7) of said lathe and said oily cooler (5), be connected with oil-feed oil circuit (10) and oil return circuit (11).
2. lathe running temperature according to claim 1 is controlled system, it is characterized in that,
Also be connected with the first fuel-flow control device (3) in the said oil-feed oil circuit; And,
The said first fuel-flow control device (3) also is connected with master controller (2).
3. lathe running temperature according to claim 2 is controlled system, it is characterized in that,
Also be connected with the second fuel-flow control device (9) in the said oil return circuit; And,
The said second fuel-flow control device (9) also is connected with master controller (2).
4. lathe running temperature according to claim 3 is controlled system, it is characterized in that,
Said detection signal comprises first detection signal;
Said first detection signal does, the signal that the detected temperature value of said oil temperature detecting sensor (1) sends during greater than the preset temperature higher limit.
5. lathe running temperature according to claim 4 is controlled system, it is characterized in that,
Said detection signal also comprises second detection signal;
Said second detection signal does, the signal that the detected temperature value of said oil temperature detecting sensor (1) sends during less than the preset temperature lower limit.
6. lathe running temperature according to claim 1 is controlled system, it is characterized in that,
Said master controller (2) is connected with the digital control system of lathe.
7. lathe running temperature according to claim 1 is controlled system, it is characterized in that,
Said master controller (2) is the digital control system of lathe.
8. a lathe running temperature control method is characterized in that, comprises the steps:
Detect step, the temperature of the lubricating oil behind the detection cooling part; And the temperature of the detected lubricating oil of foundation is sent detection signal;
First temperature adjustment step according to said detection signal, through the oily temperature controller in the control oil cooling machine, is regulated the oily temperature that does not get into the lubricating oil in the oil-feed oil circuit as yet, to regulate the lathe running temperature.
9. lathe running temperature control method according to claim 8 is characterized in that, also comprises:
Second temperature adjustment step flows in the oil-feed oil circuit of lathe at lubricating oil, and the fuel-flow control device is set, and regulates flow rate of lubricating oil by the fuel-flow control device, through augmented flow or reduce the temperature that the mode of flow is further regulated the lathe operation.
10. according to Claim 8 or 9 described lathe running temperature control methods, it is characterized in that,
Said detection signal comprises first detection signal and/or second detection signal; Wherein
Said first detection signal is when carrying out the detection step, to detect the temperature of obtaining and be higher than the signal that sends when demarcating higher limit; And
Said second detection signal is when carrying out the detection step, to detect the temperature of obtaining and be lower than the signal that sends when demarcating lower limit.
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| CN2011104012678A CN102430957A (en) | 2011-12-06 | 2011-12-06 | Machine tool operating temperature control system and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103144039A (en) * | 2013-02-19 | 2013-06-12 | 上海泉乐五金机械有限公司 | Temperature tracking system |
| CN104227502A (en) * | 2014-08-12 | 2014-12-24 | 东莞市润星机械科技有限公司 | Temperature controller with intelligent three-phase power phase sequence detection and judgment function |
| CN104354066A (en) * | 2014-09-30 | 2015-02-18 | 芜湖中驰机床制造有限公司 | Machine tool lubricating oil circulating device |
| CN105563228A (en) * | 2016-02-25 | 2016-05-11 | 成都亨通兆业精密机械有限公司 | Automatic service system for machine tool |
| CN105698421A (en) * | 2015-04-17 | 2016-06-22 | 北京凌工科技有限公司 | High-low-temperature oil cooling machine used in cooperation with test of traction motor |
| CN106826433A (en) * | 2017-01-17 | 2017-06-13 | 清华大学 | The Working piece positioning device and its temperature checking method of roll grinder |
| CN108526998A (en) * | 2017-03-01 | 2018-09-14 | 维嘉数控科技（苏州）有限公司 | A kind of machine tool environment control device and lathe |
| CN110000603A (en) * | 2019-04-18 | 2019-07-12 | 嘉兴宸轩管件制造科技有限公司 | A kind of Intelligent cooling device of numerically-controlled machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103144039A (en) * | 2013-02-19 | 2013-06-12 | 上海泉乐五金机械有限公司 | Temperature tracking system |
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| CN108526998A (en) * | 2017-03-01 | 2018-09-14 | 维嘉数控科技（苏州）有限公司 | A kind of machine tool environment control device and lathe |
| CN110000603A (en) * | 2019-04-18 | 2019-07-12 | 嘉兴宸轩管件制造科技有限公司 | A kind of Intelligent cooling device of numerically-controlled machine tool |
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Application publication date: 20120502 |