CN109129014A - A kind of high efficiency smart device for monitoring temperature of numerically controlled lathe - Google Patents
A kind of high efficiency smart device for monitoring temperature of numerically controlled lathe Download PDFInfo
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- CN109129014A CN109129014A CN201811070645.7A CN201811070645A CN109129014A CN 109129014 A CN109129014 A CN 109129014A CN 201811070645 A CN201811070645 A CN 201811070645A CN 109129014 A CN109129014 A CN 109129014A
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- 238000009423 ventilation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
- B23Q17/0985—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining by measuring temperature
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Abstract
In numerically controlled lathe high efficiency smart device for monitoring temperature of the invention, the data processing module makes a policy according to the temperature data received and issues corresponding temperature regulation and control instruction to temperature regulation module or issue PLC system from control instruction to numerically controlled lathe or NC digital control system, the temperature regulation module includes several temperature regulation submodule, each temperature regulation submodule carries out temperature regulation to the corresponding position that is adjusted according to the temperature regulation and control instruction received, each temperature regulation submodule is to regulation intensity proportional when being adjusted position progress temperature regulation in the unit time temperature increment Δ Ts at corresponding tested position, each temperature regulation submodule is by taking away the heat for being adjusted position to reduce the temperature for being adjusted position to being adjusted position and spray low temperature medium.The present invention can intelligent monitoring numerically controlled lathe temperature of key part promptly and accurately, and can it is reliable, effectively, low cost, intelligently reduce temperature rise and influence of thermal deformation.
Description
Technical field
The present invention relates to the Temperature monitoring technology field of numerically controlled lathe, in particular to a kind of high precision digital control lathe it is efficient
Intelligent temperature monitoring and control device.
Background technique
Numerically controlled lathe is the precision manufactureing equipment of a kind of high-precision, high automation, high flexibility.With numerically controlled lathe and correlation
The fast development of manufacturing technology, more stringent requirements are proposed for precision and precision stability of the metal turning processing to numerically controlled lathe.
In precision turning processing, the foozle as caused by numerically controlled lathe thermal deformation accounts for the 40%~70% of overall error.In numerical control
In lathe, the principal element for influencing lathe thermal deformation has the thermal deformation of electro spindle, thermal deformation of cutter etc..Electro spindle and cutter are equal
Belong to the important spare part of numerically controlled lathe, the thermal deformation of electro spindle and cutter be numerically controlled lathe thermal deformation significant effects because
Element, and directly affect the machining accuracy of numerically controlled lathe and the quality of product to be processed.Therefore, in order to effectively control numerically controlled lathe
Thermal deformation, need to the significant points such as electro spindle and cutter carry out temperature monitoring, then using various ways eliminate thermal deformation or
Influence of thermal deformation.However, ordinary temperature monitoring mode cannot find key temperatures information so as to cause the stagnant of temperature monitoring in time
Afterwards, the problems such as unstable, low precision, for example automatic thermal distortion compensation method of conventional Control Thermal Deformation method are often at high cost, steady
It is qualitative it is poor, effect is limited.In particular, the intelligence degree of conventional method is low during eliminating thermal deformation or influence of thermal deformation, need
It manually to participate in the overall process or repeatedly participate in, low efficiency, reliability is limited with actual effect.
Summary of the invention
It is an object of that present invention to provide a kind of high efficiency smart device for monitoring temperature of numerically controlled lathe, solve in the prior art
Foregoing problems.For this purpose, technical solution provided by the invention is as follows.
In one embodiment, a kind of high efficiency smart device for monitoring temperature of numerically controlled lathe is described, it includes that temperature passes
Feel module, signal conditioning module, data acquisition module, data processing module and temperature and regulates and controls module, the temperature sensing module
Including the electro spindle temperature sensor on electric spindle motor for monitoring electric spindle motor temperature is arranged in and is arranged in point of a knife
For monitoring the tool temperature sensor of point of a knife temperature, the temperature information at tested position is converted to electricity by the temperature sensing module
Data acquisition module is reached through signal conditioning module after signal, and the data acquisition module is completed temperature data after analog-to-digital conversion
Data processing module is reached, the data processing module makes a policy according to the temperature data received and sends out to temperature regulation module
Out corresponding temperature regulation and control instruction or to the PLC system or NC digital control system of numerically controlled lathe issue control instruction, the temperature
Regulation module includes several temperature regulation submodule, and each temperature regulation submodule is according to the temperature regulation and control instruction received
Temperature regulation is carried out to position is adjusted accordingly, and each temperature regulation submodule is to being adjusted when position carries out temperature regulation
Regulate and control intensity proportional in the unit time temperature increment Δ Ts at corresponding tested position, each temperature regulates and controls submodule by being adjusted
Sprinkling low temperature medium in control position takes away the heat for being adjusted position to reduce the temperature for being adjusted position.
In a kind of embodiment, the regulation intensity proportional is in the product of the medium temperature difference and medium flow, the medium temperature
Difference is the temperature difference absolute value between the medium temp value and ambient temperature value of temperature regulation module output, and the medium temp value is less than
Or it is equal to ambient temperature value, the medium flow is the flow for the low temperature medium that temperature regulates and controls module output.
In a kind of embodiment, the data processing module is previously provided with several low temperature ratings, each low temperature ratings point
It Dui Ying not a medium temperature difference.If the corresponding medium temperature difference of i-stage low temperature ratings is Ti, room temperature Tn, the temperature regulation
When module freezes by medium temperature difference Ti and continues to export low temperature medium, the low temperature medium temp of output is (Tn-Ti), exports low temperature
Real-time media flow Qsi when medium is proportional to unit time temperature increment Δ Ts i.e. Qsi=Ki Δ Ts at corresponding tested position,
Wherein Ki is the corresponding preset flow coefficient of medium temperature difference Ti in the data processing module.
In a kind of embodiment, when the unit time temperature increment Δ Ts at tested position is greater than the corresponding critical list in the position
When the time-temperature increment Delta Tz of position, the temperature regulation module starts to carry out temperature regulation to the corresponding position that is adjusted；Work as quilt
When surveying the unit time temperature increment Δ Ts at position and being less than or equal to the corresponding critical unit time temperature increment Δ Tz in the position,
The temperature regulation module stops regulating and controlling the temperature for being accordingly adjusted position.
In a kind of embodiment, real-time media flow Qsi is greater than the corresponding maximum medium flow Qmi of i-stage low temperature ratings
When, low temperature ratings increase level-one is obtained the corresponding medium temperature difference Ti of new low temperature ratings and preset flow by the data processing module
COEFFICIENT K i, and new real-time media flow Qsi is obtained according to Qsi=Ki Δ Ts by new low temperature ratings, by new low temperature ratings
Corresponding new medium temperature difference Ti obtains new medium temp (Tn-Ti).
In a kind of embodiment, when tested position unit time temperature increment Δ Ts is greater than or equal to what tested position allowed
When maximum unit time-temperature increment Delta Tsm, data processing module is issued to the PLC system or NC digital control system of numerically controlled lathe and is reported
Alert instruction and complete machine halt instruction, the PLC system or NC digital control system of numerically controlled lathe receive after alarm command activation alarm lamp and
Alarm buzzer simultaneously records time of fire alarming and relevant information, receives all to numerically controlled lathe band corons after complete machine halt instruction
Module carries out power operation and stops all processing actions.
In a kind of embodiment, when low temperature ratings are that highest and real-time media flow Qsi is greater than maximum medium temperature difference Tm
When corresponding maximum medium flow Qmm, data processing module issues PLC system from alarm to numerically controlled lathe or NC digital control system and refers to
It enables and to position cut-offing instruction is adjusted, the PLC system or NC digital control system of numerically controlled lathe activates alarm after receiving alarm command
Lamp and alarm buzzer simultaneously record time of fire alarming and relevant information, receive to being adjusted after the cut-offing instruction of position to being adjusted position
The electrification motion module being related to carries out power operation.
In a kind of embodiment, the corresponding maximum medium flow Qmi of the i grades of medium temperature difference is equal to relevant temperature regulator
Maximum medium flow Qm of the module when the medium temperature difference is equal to zero is corresponding multiplied by the i grade medium temperature difference of temperature regulation submodule
Medium flow power coefficient Kp, the i grades of medium flow power coefficient Kp are equal to the temperature and regulate and control the submodule i grades of medium temperature difference pair
The medium output power Pqi answered regulates and controls submodule general power Pa, i.e. Qmi=Qm Kp=Qm (Pqi/Pa) divided by the temperature；It is described
Preset flow COEFFICIENT K i be equal to flow constant Kq multiplied by after the corresponding maximum medium flow Qmi of the i-stage medium temperature difference divided by i-stage
The medium temperature difference corresponding maximum unit time-temperature increment Delta Tsmi, i.e. Ki=Kq Qmi/ Δ Tsmi, the flow constant Kq is small
In 1 and be greater than 0.
In a kind of embodiment, following intelligence is used when the data processing module makes a policy according to the temperature data received
Algorithm can be regulated and controled to make a policy:
(1) circulation starts, into next step；
(2) judge whether tested position unit time temperature increment Δ Ts is less than the maximum unit time-temperature increasing of position permission
Δ Tsm is measured, if it is not, then PLC system from data processing module to numerically controlled lathe or NC digital control system issues alarm command and whole
Machine halt instruction, circulation terminate；If so, entering in next step；
(3) judge whether the unit time temperature increment Δ Ts at tested position is greater than the corresponding critical unit time temperature in the position
Increment Delta Tz and returns to step if it is not, then data processing module issues to temperature regulation module and stops temperature regulation and control instruction
Suddenly (1)；If so, entering in next step；
(4) according to low temperature ratings preset in data processing module and the corresponding unit time temperature increment range of each rank, choosing
It selects low temperature ratings i and then determines the corresponding medium temperature difference Ti and preset flow COEFFICIENT K i of the low temperature ratings, into next step；
(5) data processing module issues temperature regulation and control instruction to temperature regulation module, and temperature regulates and controls the corresponding temperature of module
Regulation submodule freezes by medium temperature difference Ti and exports low temperature medium by medium flow Qsi=Ki Δ Ts, into next step；
(6) judge whether real-time media flow Qsi is greater than the corresponding maximum medium flow Qmi of the i-stage medium temperature difference, if so,
Low temperature ratings increase level-one is obtained the corresponding medium temperature difference Ti of new low temperature ratings and preset flow system by the data processing module
Number Ki, returns again to step (5)；If it is not, then entering in next step；
(7) judge whether to meet the following conditions: low temperature ratings are greater than highest low-temperature level for highest and real-time media flow Qsi
Not corresponding maximum medium flow Qmm, if so, data processing module is sent out to the PLC system or NC digital control system of numerically controlled lathe
Alarm command and to position cut-offing instruction is adjusted out, circulation terminates；If it is not, then return step (1).
In a kind of embodiment, the temperature control device includes two cold air regulation devices, a cold air regulation device
Temperature regulation is carried out to electric spindle motor, a cold air regulation device carries out temperature regulation to point of a knife.
The advantages of beneficial effects of the present invention and other aspects, will be become apparent by detailed description with reference to the accompanying drawing
Understand, attached drawing describes the principle of the present invention by way of example.
Detailed description of the invention
Described embodiment by and description with reference to the accompanying drawing it can be readily appreciated that reference label similar in attached drawing
It indicates similar structural detail, is illustrating for each attached drawing below.
Fig. 1 is that the overall structure of the numerically controlled lathe high efficiency smart device for monitoring temperature main view direction of the embodiment of the present invention 1 is shown
It is intended to；
Fig. 2 is the general structure schematic diagram of the numerically controlled lathe high efficiency smart device for monitoring temperature overlook direction of the embodiment of the present invention 1；
Fig. 3 is the partial enlarged view of tooling system in Fig. 2；
Fig. 4 is the electro spindle base interior structural schematic diagram of the embodiment of the present invention 1；
Fig. 5 is platinum-rhodium wire temperature sensor group point position and layout drawing；
Fig. 6 is the general frame figure of the numerically controlled lathe high efficiency smart device for monitoring temperature of the embodiment of the present invention 1；
Fig. 7 is that the temperature of the numerically controlled lathe high efficiency smart device for monitoring temperature of the embodiment of the present invention 1 regulates and controls module principle figure；
Fig. 8 is the KTY84 resistance temperature change curve of the embodiment of the present invention 1；
Fig. 9 is the electro spindle monitoring temperature principle signal of the numerically controlled lathe high efficiency smart device for monitoring temperature of the embodiment of the present invention 1
Figure；
Figure 10 is the electro spindle monitoring temperature principle signal of the numerically controlled lathe high efficiency smart device for monitoring temperature of the embodiment of the present invention 4
Figure；
Figure 11 is the intelligent control algorithm flow chart of the numerically controlled lathe high efficiency smart device for monitoring temperature of the embodiment of the present invention 1；
Figure 12 is intelligent control algorithm major parameter specific example in Figure 11.
Specific embodiment
In following specific descriptions, a large amount of details are set forth former for the basis of described embodiment to provide
The thorough understanding of reason.It will be apparent to a person skilled in the art that described embodiment is not having these specific thin
It also can be implemented in some or all of situation of section.During the description of embodiment, it is known that processing step not by
It specifically describes, to avoid ultimata is unnecessarily obscured.
Below by way of attached drawing detailed description of the present invention embodiment.However, it should be appreciated by those skilled in the art that herein
It is exemplary purpose with reference to the specific descriptions that these attached drawings provide, the present invention exceeds these limited embodiments.
Embodiment 1.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the numerically controlled lathe 100 of one embodiment of the present of invention includes electro spindle 110, knife
Tool system 120, PLC system 130, multi-jaw chuck 140, electro spindle pedestal 150, power control cabinet component 160 etc..
The electro spindle 110 includes electric spindle motor 111 and electro spindle driver 112.
The tooling system 120 includes knife rest 121, knife handle 122 and point of a knife 123.
The electro spindle pedestal 150 includes electro spindle base body 151.
The power control cabinet component 160 includes the hardware components of the main electric-control system of the numerically controlled lathe 110, such as motor
Hardware components and relevant cable, converter that driver, controller, NC digital control system, PLC system 130 etc. are related to etc.
Other hardware components.The power control cabinet component 160 further includes being mainly used for accommodating, supporting, protect the numerically controlled lathe 110 main
Want the electric-control cabinet body of system hardware components.
About the function of each components of numerically controlled lathe 100 and main modular, connection relationship, working principle, working method and
Other specific implementation methods have the numerically controlled lathe prior art of numerous maturations to directly adopt and implement for those skilled in the art, herein
It is not described in detail 100 specific embodiment of numerically controlled lathe of the prior art, to avoid the basic original of the present invention is unnecessarily obscured
Reason, but when 100 specific embodiment of numerically controlled lathe of the present invention and the prior art are had any different, it will be described in.
The numerically controlled lathe high efficiency smart device for monitoring temperature 200 of one embodiment of the present of invention include temperature sensing module,
Signal conditioning module 230, data acquisition module 240, data processing module 250 and temperature regulate and control module 260.
The temperature information at tested position is converted to and is passed after electric signal through signal conditioning module 230 by the temperature sensing module
To data acquisition module 240, temperature data is reached into data processing module after the completion of data acquisition module 240 analog-to-digital conversion
250, the data processing module 250 makes a policy according to the temperature data received and issues accordingly to temperature regulation module 260
Temperature regulation and control instruction or issue corresponding control instruction, PLC system 130 from the temperature to numerically controlled lathe or NC digital control system
Degree regulation module 260 includes that several temperature regulate and control submodule, and each temperature regulation submodule is according to the temperature tune received
Control instruction carries out temperature regulation to position is adjusted accordingly, and each temperature regulation submodule carries out temperature tune to position is adjusted
In the unit time temperature increment Δ Ts at corresponding tested position, each temperature regulation submodule passes through regulation intensity proportional when control
The heat for being adjusted position is taken away to position sprinkling low temperature medium is adjusted to reduce the temperature for being adjusted position.
In a kind of embodiment, the regulation intensity proportional is in the product of the medium temperature difference and medium flow, the medium temperature
Difference is the temperature difference absolute value between the medium temp value and ambient temperature value of relevant temperature regulation submodule output, the medium temp
Value is less than or equal to ambient temperature value, and the medium flow is the flow for the low temperature medium that relevant temperature regulates and controls submodule output.
The regulation intensity can also use other definition modes, such as the regulation intensity proportional is in medium flow.
In a kind of embodiment, the data processing module 250 is previously provided with several low temperature ratings, each low temperature ratings
Respectively correspond a specific medium temperature difference.If the corresponding medium temperature difference of i-stage low temperature ratings be Ti, room temperature Tn, accordingly
When temperature regulation submodule freezes by medium temperature difference Ti and continues to export low temperature medium, the low temperature medium temp of output is (Tn-
), Ti the real-time media flow Qsi of output is proportional to unit time temperature increment Δ Ts i.e. Qsi=Ki Δ at corresponding tested position
Ts, wherein Ki is the corresponding preset flow coefficient of medium temperature difference Ti in the data processing module 250.
The quantity of the low temperature ratings is greater than or equal to one.
In specific implementation process, it is thus necessary to determine that, can be according to all kinds of components to be processed when specific low temperature ratings quantity
Allow maximum temperature, the relevant temperature at corresponding tested position to regulate and control submodule in process and regulates and controls efficiency, data processing mould
250 calculation process speed of block and the comprehensive determination of operating comfort.
Then, each low-temperature level is selected by test method and according to the corresponding maximum medium flow Qmi of the i-stage medium temperature difference
Not optimal medium temperature difference Ti and preset flow COEFFICIENT K i.Wherein, the corresponding maximum medium flow Qmi of the i grades of medium temperature difference is equal to
Relevant temperature regulates and controls maximum medium flow Qm of the submodule when the medium temperature difference is equal to zero multiplied by the i grade of temperature regulation submodule
The medium temperature difference corresponding medium flow power coefficient Kp, the i grades of medium flow power coefficient Kp are equal to the temperature and regulate and control submodule
The corresponding medium output power Pqi of i grades of medium temperature difference of block regulates and controls submodule general power Pa divided by the temperature, is also equal to the temperature tune
Regulate and control submodule general power divided by the temperature after refrigeration work consumption Pci needed for control submodule general power Pa subtracts the i grades of medium temperature difference
Pa, i.e. Qmi=Qm Kp=Qm (Pqi/Pa)=Qm (Pa-Pci)/Pa.Preset flow COEFFICIENT K i is equal to flow constant Kq multiplied by the
Divided by the corresponding maximum unit time-temperature increment of the i-stage medium temperature difference after the corresponding maximum medium flow Qmi of the i grades of medium temperature difference
Δ Tsmi, i.e. Ki=Kq Qmi/ Δ Tsmi.
The flow constant Kq is less than 1 and is greater than 0.
When the unit time temperature increment Δ Ts at tested position is greater than the corresponding critical unit time temperature increment in the position
When Δ Tz, the temperature regulation module starts to carry out temperature regulation to the corresponding position that is adjusted；When the unit at tested position
Between temperature increment Δ Ts when being less than or equal to the corresponding critical unit time temperature increment Δ Tz in the position, the temperature regulates and controls mould
Block stopping regulates and controls the temperature for being accordingly adjusted position and restarts monitoring circulation.
When real-time media flow Qsi is greater than the i-stage medium temperature difference corresponding maximum medium flow Qmi, the data processing
Low temperature ratings increase level-one is obtained new low temperature ratings corresponding medium temperature difference Ti and preset flow COEFFICIENT K i by module 250, and is pressed
New low temperature ratings obtain new real-time media flow Qsi according to Qsi=Ki Δ Ts, by the new corresponding new matchmaker of low temperature ratings
Jie's temperature difference Ti obtains new medium temp (Tn-Ti).
When low temperature ratings are that highest and real-time media flow Qsi is greater than highest low temperature ratings (that is, maximum medium temperature
Poor Tm) corresponding maximum medium flow Qmm when, PLC system 130 or NC numerical control system of the data processing module 250 to numerically controlled lathe
System issues alarm command and to position cut-offing instruction is adjusted, and the PLC system 130 or NC digital control system of numerically controlled lathe receive alarm
Alarm lamp and alarm buzzer are activated after instruction and records time of fire alarming and relevant information, are received to being adjusted position cut-offing instruction
Power operation is carried out to being adjusted the electrification motion module that position is related to afterwards.
When tested position unit time temperature increment Δ Ts is greater than or equal to the maximum unit time temperature that tested position allows
Spend increment Delta Tsm when, PLC system 130 from data processing module 250 to numerically controlled lathe or NC digital control system issue alarm command and
Complete machine halt instruction, the PLC system 130 or NC digital control system of numerically controlled lathe receive activation alarm lamp and alarm bee after alarm command
Ring device simultaneously records time of fire alarming and relevant information, receive all to numerically controlled lathe electrification motion modules after complete machine halt instruction into
Row power operation simultaneously stops any processing action.
It needs when the data processing module 250 makes a policy according to the temperature data received using based on above-mentioned technical side
The intelligent control algorithm of case makes a policy, and Figure 11 gives the numerically controlled lathe high efficiency smart monitoring temperature dress of the embodiment of the present invention 1
The intelligent control algorithm flow chart set, the intelligent control algorithm detailed process are as described below.
(1) circulation starts, into next step.
(2) judge whether tested position unit time temperature increment Δ Ts is less than the maximum unit time temperature of position permission
Increment Delta Tsm is spent, if it is not, then data processing module 250 is reported to the sending of the PLC system 130 or NC digital control system of numerically controlled lathe
Alert instruction and complete machine halt instruction, circulation terminate；If so, entering in next step.
(3) judge whether the unit time temperature increment Δ Ts at tested position is greater than the position corresponding critical unit time
Temperature increment Δ Tz, if it is not, then data processing module 250 refers to the temperature regulation sending stopping temperature regulation of module 260
It enables, and return step (1)；If so, entering in next step.
(4) according to preset low temperature ratings in data processing module 250 and the corresponding unit time temperature increment of each rank
Range selects low temperature ratings i and then determines that the corresponding medium temperature difference Ti of the low temperature ratings and preset flow COEFFICIENT K i, entrance are next
Step.
(5) data processing module 250 issues temperature regulation and control instruction to temperature regulation module 260, and temperature regulates and controls module
260 corresponding temperature regulation submodules freeze by medium temperature difference Ti and export low temperature medium by medium flow Qsi=Ki Δ Ts, into
Enter in next step.
(6) judge whether real-time media flow Qsi is greater than the corresponding maximum medium flow Qmi of the i-stage medium temperature difference, if
It is that then low temperature ratings increase level-one is obtained the corresponding medium temperature difference Ti of new low temperature ratings and pre- by the data processing module 250
If flow coefficient k i, return again to step (5)；If it is not, then entering in next step.
(7) judge whether to meet the following conditions: low temperature ratings are greater than highest low for highest and real-time media flow Qsi
The corresponding maximum medium flow Qmm of warm rank (that is, maximum medium temperature difference Tm), if so, data processing module 250 is to numerical control
The PLC system 130 or NC digital control system of lathe issue alarm command and to position cut-offing instruction are adjusted, and circulation terminates；If no
It is, then return step (1).
Above-mentioned intelligent control algorithm can directly prevent spot temperature abnormal belt to be regulated and controled caused by various accidents or failure
The unnecessary temperature come regulates and controls loss, the numerical control caused by Delayed shutdown due to temperature regulation when can substantially reduce system exception
Lathe system is damaged or burns risk, can be not required to manual intervention and realize that intelligent temperature regulates and controls, and has intelligent water well
Flat, reliability and validity.
Based on above-mentioned intelligent control algorithm, those skilled in the art can be with the specific intelligent control algorithm of direct organization and under combining
It states content and obtains specific software and hardware structure realization required function, this is not described in detail here.
In a kind of embodiment, the temperature sensing module includes electro spindle temperature sensor 210 and tool temperature sensing
Device 220.
The electro spindle temperature sensor 210 is arranged on electro spindle 110 for monitoring the real time temperature of electro spindle 110.
In a kind of embodiment, the electro spindle temperature sensor 210 is arranged on electric spindle motor 111 for monitoring electricity
The real time temperature of spindle motor 111.
The tool temperature sensor 220 is arranged in tooling system 120 for monitoring the real-time temperature of tooling system 120
Degree.
In a kind of embodiment, the tool temperature sensor 220 is arranged on point of a knife 123 for monitoring point of a knife 123
Real time temperature.
In a kind of embodiment, the general frame figure of numerically controlled lathe high efficiency smart device for monitoring temperature as shown in fig. 6, this
Under structure, the temperature information at tested position is converted to telecommunications by the electro spindle temperature sensor 210 and tool temperature sensor 220
Data acquisition module 240 is reached through signal conditioning module 230 after number, the data acquisition module 240 will after completing analog-to-digital conversion
Temperature data reaches data processing module 250, the data processing module 250 made a policy according to the temperature data received and to
Temperature regulation module 260 issues corresponding temperature regulation and control instruction, and the temperature regulation module 260 refers to according to the temperature regulation received
It enables and temperature regulation is carried out to the corresponding position that is adjusted.
Consider the convenience of temperature sensor installation and disassembly, consideration avoids temperature sensor damage bring sensor difficult
Electro spindle temperature sensor 210 is usually set to outer surface or the electricity of electric spindle motor 111 by replacement problem, those skilled in the art
Main shaft pedestal 150 is close to the position of electric spindle motor 111.At this point, temperature and non-electrical that electro spindle temperature sensor 210 monitors
The actual temperature change curve of the true temperature of spindle motor 111, the actual temperature curve monitored and electric spindle motor 111 is not
Unanimously, so that the real-time accurate temperature of electric spindle motor 111 cannot be monitored accurately, it is difficult to guarantee the timeliness and standard of temperature regulation
True property.
For the accurate temperature of 111 nucleus of real-time perception electric spindle motor, 111 monitoring temperature of electric spindle motor is improved
For real-time accuracy to guarantee the timeliness and accuracy of temperature regulation, the electro spindle temperature sensor 210 is located at electro spindle
The stator interior of motor 111.
In a kind of embodiment, the electro spindle temperature sensor 210 be located at 111 stator interior of electric spindle motor and not with
Space interference occurs for other components in stator.
In a kind of embodiment, the electro spindle temperature sensor 210 includes that monitoring temperature thermistor 211 and temperature are protected
Protect thermistor 212.
In a kind of embodiment, monitoring temperature thermistor 211 be located in 111 stator of electric spindle motor not in stator its
The temperature rise highest position of space interference occurs for his components, to most accurately most timely prevent 111 temperature rise of electric spindle motor super
Mark, and then influence 111 performance of electric spindle motor, energy efficiency, stability, reliability and service life.
In a kind of embodiment, constant current is passed through for a period of time such as 3 minutes or 10 by tentative before motor encapsulation
It can directly measure using infrared thermography instrument after minute and determine temperature rise highest position.
In a kind of embodiment, the number of phases of electric spindle motor 111 is N phase, and it is hot that temperature protection thermistor 212 shares N group
Quick resistance series connection, every group of temperature protection thermistor 212 are closely attached on the highest temperature ascending part of the highest coil of temperature rise in every phase winding
Position to most accurately most timely prevent certain the phase winding temperature rise of electric spindle motor 111 exceeded, and then influences electric spindle motor 111
Performance, energy efficiency, stability, reliability and service life even result in electric spindle motor 111 and burn.
When some winding temperature of 111 certain phase of electric spindle motor is more than the reaction temperature of temperature protection thermistor 212,
The data processing module 250 makes the power-off decision of electric spindle motor 111 according to the temperature data received and regulates and controls mould to temperature
Block 260 issues corresponding temperature regulation and control instruction, and the temperature regulation module 260 is according to the temperature regulation and control instruction received to corresponding
It is adjusted position and carries out temperature regulation, meanwhile, PLC system 130 or NC digital control system automatically cut off 111 electric current of electric spindle motor and make
Electric spindle motor 111 is in no current state.
For example, as shown in Figure 9, Figure 10, the number of phases of electric spindle motor 111 is three-phase, temperature protection thermistor 212 is shared
Three groups of thermistor series connection, every group of temperature protection thermistor 212 are closely attached on the temperature rise of every highest coil of phase winding temperature rise most
High-order bit.
In a kind of embodiment, constant current is passed through for a period of time such as 3 minutes or 10 by tentative before motor encapsulation
It can directly measure using infrared thermography instrument after minute and determine the highest coil of every phase winding temperature rise and the coil temperature rise most
High-order bit.
Consider 111 temperature change of electric spindle motor and the regularity of distribution, consider the range of temperature of electric spindle motor 111,
In a kind of embodiment, monitoring temperature thermistor 211 uses KTY84, and temperature protection thermistor 212 is using PTC temperature-sensitive electricity
Resistance.
As shown in figure 8, the resistance of KTY84 changes and tested position temperature when monitoring temperature thermistor 211 is using KTY84
Degree, which changes, has extraordinary linear characteristic, can be with the temperature change of the monitoring electric spindle motor 111 of degree of precision.
In the actual implementation process, the early warning temperature setting range of KTY84 can choose 120 °C ± 5 °C, 110 °C ±
5°C、100°C ±5°C、90°C ±5°C、80°C ±5°C、115°C ±5°C、105°C ±5°C、95°C ±5°C、85°C
Any early warning temperature ranges such as ± 5 °C, 75 °C ± 5 °C, main shaft stalling temperature range can choose 155 °C ± 5 °C, 145 °C
±5°C、135°C ±5°C、125°C ±5°C、115°C ±5°C、110°C ±5°C、100°C ±5°C、90°C ±5°C、
Any stalling temperature ranges such as 150 °C ± 5 °C, 140 °C ± 5 °C, 130 °C ± 5 °C, 120 °C ± 5 °C.Wherein, main shaft stops
The temperature value for turning temperature range is above the temperature value of early warning temperature setting range.
When the tested spot temperature value that KTY84 is monitored is located within the scope of early warning temperature setting, in a kind of embodiment,
Data processing module 250 is to PLC system 130 or the sending early warning of NC digital control system and automatic by PLC system 130 or NC digital control system
Record saves time and the actual temperature numerical value for the early warning occur.
When the tested spot temperature value that KTY84 is monitored is located in main shaft stalling temperature range, in a kind of embodiment,
Data processing module 250 issues instruction to electro spindle driver 112 through PLC system 130 or NC digital control system and directly makes electric master
Spindle motor 111 stops operating and in off-position.
When temperature protection thermistor 212 is using PTC thermistor, reaction temperature selection according to actual needs has phase
Answer the PTC thermistor of reaction temperature.For example, a kind of cold-state resistance of PTC thermistor (20 °C)≤750, hot resistance
(180 °C) >=1710,180 °C of reaction temperature, characteristic curve meets the 303rd part DINVDE 0660, DIN44081,
DIN44082.When the actual temperature that electric spindle motor 111 is tested position reaches the reaction temperature of PTC thermistor, Yi Zhongshi
It applies in mode, data processing module 250 issues instruction and straight to electro spindle driver 112 through PLC system 130 or NC digital control system
Connecing makes electric spindle motor 111 stop operating and in off-position.
Consider the convenience of temperature sensor installation and disassembly, consideration avoids temperature sensor damage bring sensor difficult
Tool temperature sensor 220 is usually set to 123 outer surface of point of a knife but far from point of a knife 123 by replacement problem, those skilled in the art
Processing department.At this point, the temperature that tool temperature sensor 220 monitors not is the true temperature of 123 processing department of point of a knife, monitor
Actual temperature curve and the actual temperature change curve of 123 processing department of point of a knife are inconsistent, add so that point of a knife 123 cannot be monitored accurately
The real-time accurate temperature of the Ministry of worker, it is difficult to guarantee the timeliness and accuracy of temperature regulation.
For the accurate temperature of 123 processing department nucleus of real-time perception point of a knife, the real-time standard of 123 monitoring temperature of point of a knife is improved
For true property to guarantee the timeliness and accuracy of temperature regulation, the tool temperature sensor 220 is located at 123 outer surface of point of a knife simultaneously
The interval within 1mm or more 20mm is kept with the processing department of point of a knife 123.
For the real-time and accuracy for further increasing 123 processing department nucleus monitoring temperature of point of a knife, the cutter temperature
Degree 220 gauge head of sensor and 123 processing department of point of a knife between interval can choose within 1mm or more 18mm, 1mm or more 17mm with
Within interior, 1mm or more 16mm, within 1mm or more 15mm, within 1mm or more 12mm, within 1mm or more 10mm, 1mm or more 8mm
Within, within 1mm or more 5mm, within 1mm or more 3mm, within 1mm or more 2mm, within 2mm or more 18mm, 2mm or more 17mm
Within, within 2mm or more 16mm, within 2mm or more 15mm, within 2mm or more 12mm, within 2mm or more 10mm, 2mm or more
Within 8mm, within 2mm or more 5mm, within 2mm or more 3mm, within 3mm or more 18mm, within 3mm or more 17mm, 3mm or more
Within 16mm, within 3mm or more 15mm, within 3mm or more 12mm, within 3mm or more 10mm, within 3mm or more 8mm, 3mm with
Within upper 5mm, within 5mm or more 18mm, within 5mm or more 17mm, within 5mm or more 16mm, within 5mm or more 15mm, 5mm
Within the above 12mm, within 5mm or more 10mm, within 5mm or more 8mm, range at equal intervals within 5mm or more 6mm.
In a kind of embodiment, the tool temperature sensor 220 includes platinum-rhodium wire temperature sensor group 221.
Consider that 123 processing department of point of a knife relates generally to three machined surfaces, the tool temperature sensor 220 includes three groups of platinum rhodiums
Silk temperature sensor group 221.The point position of each group platinum-rhodium wire temperature sensor group 221 is as shown in Figure 5.
Letter needed for monitoring temperature thermistor 211, temperature protection thermistor 212, platinum-rhodium wire temperature sensor group 221
Number conditioning module 230, data acquisition module 240, data processing module 250 have numerous prior arts such as Siemens 840D numerical control system
System and corresponding lathe, CN201010599119.7 etc. can refer to, those skilled in the art combine the prior art can with Rapid Implementation,
This is not described in detail.
It should be noted that the 211 signal condition submodule number of monitoring temperature thermistor that signal conditioning module 230 includes
Measure it is corresponding with the characteristic of the quantity of monitoring temperature thermistor 211 and monitoring temperature thermistor 211, including temperature protection it is hot
The quantity and temperature protection thermistor 212 of quick 212 signal condition submodule quantity of resistance and temperature protection thermistor 212
Characteristic is corresponding, including 221 signal condition submodule quantity of platinum-rhodium wire temperature sensor group and platinum-rhodium wire temperature sensor group 221
Quantity and platinum-rhodium wire temperature sensor group 221 characteristic it is corresponding.
It should be noted that the 211 data-acquisition submodule number of monitoring temperature thermistor that data acquisition module 240 includes
Measure it is corresponding with the characteristic of the quantity of monitoring temperature thermistor 211 and monitoring temperature thermistor 211, including temperature protection it is hot
The quantity and temperature protection thermistor 212 of quick 212 data-acquisition submodule quantity of resistance and temperature protection thermistor 212
Characteristic is corresponding, including 221 data-acquisition submodule quantity of platinum-rhodium wire temperature sensor group and platinum-rhodium wire temperature sensor group 221
Quantity and platinum-rhodium wire temperature sensor group 221 characteristic it is corresponding.
It should be noted that in a kind of embodiment, monitoring temperature thermistor 211 that data processing module 250 includes
Data processing submodule quantity is corresponding with the characteristic of the quantity of monitoring temperature thermistor 211 and monitoring temperature thermistor 211,
Including temperature protection thermistor 212 data processing submodule quantity and temperature protection thermistor 212 quantity and temperature
Protect the characteristic of thermistor 212 corresponding, including 221 data processing submodule quantity of platinum-rhodium wire temperature sensor group and platinum rhodium
The quantity of silk temperature sensor group 221 and the characteristic of platinum-rhodium wire temperature sensor group 221 are corresponding.
It is general that high-temperature part is waited using shutdown after obtaining each temperature of key part data of numerically controlled lathe in routine techniques
The mode of natural cooling carries out temperature regulation, and under which, cost is minimum, is almost not required to put into.However, which needs to wait
Long period substantially increases process time, reduces processing efficiency.
To reduce temperature rise and influence of thermal deformation and guaranteeing processing efficiency, the prior art such as CN201010599119.7 etc. is usual
Consider directly to carry out thermal distortion compensation, so that maximizing while not influencing processing efficiency reduces temperature rise and influence of thermal deformation.
However, this kind of technology generally requires higher cost, system is excessively complicated, and system stability, reliability are often relatively limited,
Actual effect is undesirable.
To guarantee processing efficiency and the efficient elimination temperature rise of highly reliable and low-cost and influence of thermal deformation, temperature of the present invention
Degree regulation module 260 includes cold air regulation device 261 and cold water regulation device 262.
Cold air regulation device 261 or/and cold water regulation device 262 of the invention can treat temperature regulation position and be dropped
Temperature, cooling mechanism be based primarily upon the i.e. system of the first law of thermodynamics it is interior can increment be equal to its heat for transmitting of outer bound pair and outer
The sum of its work done of bound pair, i.e. Δ U=Q+W, wherein Δ U is the knots modification of interior energy, and Q is the extraneous energy transmitted to system, W
The function and the second law of thermodynamics i.e. heat done for outer bound pair system can be spontaneously from the high object transfer of temperature to colder
Object, but can not the spontaneously object high to temperature from the low object transfer of temperature.In other words, cold air regulation device 261
With the cooling function of cold water regulation device 262, it is primarily based on the second law of thermodynamics and allows and be adjusted the heat transfer at position to low
The low-temperature cold water of warm medium, that is, cold air regulation device 261 cold gas or/and cold water regulation device 262 realizes the external world to numerical control
The heat that lathe 100 transmits is negative, to make to can be reduced i.e. temperature reduction in system based on the first law of thermodynamics.
Based on the law of thermodynamics, cold air regulation device 261 of the invention or/and cold water regulation device 262 can guarantee to add
Work efficiency rate, and system is simple, stability and high reliablity, at low cost, has easy implementation feature and good practical value.
The cold air regulation device 261 can use small air-conditioning system, and the sky of fan can also be added using cold air generator
Fan device is adjusted, other cold air generating devices can also be used.
The cold air regulation device 261 close to electro spindle pedestal 150 and to electro spindle pedestal 150 inject air cold air to
The cooling of electric spindle motor 111 is realized, temperature regulation is carried out to electric spindle motor 111.
The electro spindle pedestal 150 includes electro spindle base body 151, ventilation strainer 152 and air duct 153.
The electro spindle base body 151 is for fixed and supporting electric main shaft motor 111 and multi-jaw chuck 140.
The ventilation strainer 152 is used to receive the cold air of the offer of cold air regulation device 261 and prevents extraneous dust impurity etc.
Into 150 inside of the electro spindle pedestal to prevent electric spindle motor 111, multi-jaw chuck 140 and relevant bearing by
Dust influences.
The gap that the air duct 153 is formed between 151 inner cavity of electro spindle base body and electric spindle motor 111, and
Airflow channel between 140 vestibule of 151 inner cavity of electro spindle base body and multi-jaw chuck.
In a kind of embodiment, as shown in figure 4, the cold air that the cold air regulation device 261 provides is divulged information after strainer 152
111 outer surface of electric spindle motor is acted on through air duct 153 to cool down to electric spindle motor 111 to realize, meanwhile, it is described cold
The cold air that gas regulation device 261 provides passes through multi-jaw chuck 140 through air duct 153 and then flows out from electro spindle pedestal 150 to take away
The heat of electric spindle motor 111.In addition, from electro spindle pedestal 150 flow out cold air can also stepless action in workpiece, point of a knife 123
And tooling system 120 plays certain temperature to carry out a degree of cooling to workpiece, point of a knife 123 and tooling system 120
Spend regulating and controlling effect.
The cold water regulation device 262 includes cooling water tank 262-1 and water-cooling-sprayer 262-2.The cooling water tank
262-1 has numerous prior arts and matured product available, and especially many mature cooling water tank 262-1 products can root
According to the cooling water temperature for needing to set output.
In a kind of embodiment, the water-cooling-sprayer 262-2 is fixedly installed in tooling system 120 and can be with tooling system
120 move along the x-axis, and the cooling water tank 262-1 is immobilized or is fixedly connected with the ground with respect to 100 position of numerically controlled lathe or quiet
Ground is terminated in, is connected between the cooling water tank 262-1 and water-cooling-sprayer 262-2 using cooling water pipe, low-temperature cold water is by institute
It states cooling water tank 262-1 to be pushed out through cooling water pipe arrival water-cooling-sprayer 262-2, and is sprayed from water-cooling-sprayer 262-2.
The cooling water pipe and 221 signal wire of platinum-rhodium wire temperature sensor group with the X-axis power line of numerically controlled lathe 100,
Data line etc. by the fixed support of same drag chain and realizes movement protection jointly, and the prior art being related to can be directly used.
In a kind of embodiment, 123 processing department of water-cooling-sprayer 262-2 face point of a knife, the low-temperature cold water is through cold
But sprinkler head 262-2 acts on 123 processing department of point of a knife, realizes the cooling to 123 processing department of point of a knife.
In a kind of embodiment, the temperature of numerically controlled lathe high efficiency smart device for monitoring temperature regulates and controls module principle figure such as Fig. 7
Shown, under the principle, data processing module 250 issues temperature regulation and control instruction to numerically controlled lathe PLC system 130, PLC system 130
Control on and off, the cold air regulation device of cold air regulation device 261 and cold water regulation device 262 respectively according to command adapted thereto
261 can carry out temperature regulation and be attached to carry out cooling appropriate, cold water regulation device 262 to workpiece to electric spindle motor 111
Temperature regulation can be carried out to tooling system 120 and subsidiary to workpiece progress cooling appropriate.
It is described herein it is subsidiary to workpiece carry out cooling appropriate refer to cold air after electric spindle motor 111 some stay
Workpiece is flow to through 120 part of tooling system to workpiece or low-temperature cold water.
As shown in figure 9, in a kind of embodiment, signal conditioning module 230, data acquisition module 240, data processing module
250 are integrated into the total module of software and hardware jointly, so that temperature data is obtained from corresponding temperature sensor respectively on the whole, and
Cold air regulation device 261, cold water regulation device 262 and electro spindle driver 112 are controlled respectively by PLC system 130.At this point,
The temperature signal of monitoring temperature thermistor 211 is through signal conditioning module 230, data acquisition module 240, data processing module
250 it is common integrated made of the total module of software and hardware obtain control instruction, which controls cold air tune by PLC system 130
Device 261, cold water regulation device 262 and electro spindle driver 112 are controlled, and then controls cold air regulation device 261, cold water regulation dress
Set 262 and electric spindle motor 111.Control routine, line connection in specific implementation process, software and hardware structure, Zhong Duoxian
There are technology such as Siemens 840 D in NC and corresponding lathe, CN201010599119.7, CN201611146489.9 etc. can be with
It directlys adopt, those skilled in the art combine the prior art that can be not described in detail herein with Rapid Implementation.
In a kind of embodiment, the unit time select 0.1 second, 0.2 second, 0.5 second, 1 second, 1.5 seconds, 2 seconds, 2.5 seconds,
3 seconds, 4 seconds, 5 seconds, 6 seconds, 8 seconds, 10 seconds, 12 seconds, 15 seconds, 16 seconds, 18 seconds, 20 seconds, 25 seconds, 28 seconds, 30 seconds, 36 seconds, 48 seconds, 60
Any one time span of second.Preferably, can select 2 seconds or 5 seconds the unit time general numerically controlled lathe.
In a specific example of Figure 12, flow constant Kq takes 0.98, and data processing module 250 presets that there are three low
Warm rank, the corresponding medium temperature difference T1 of first order low temperature ratings is 10 °C, unit time temperature increment range is 3.1 to 9.0 °C,
Preset flow 1=0.98*Qm1/9 of COEFFICIENT K, the corresponding medium temperature difference T2 of second level low temperature ratings are 18 °C, unit time temperature increases
Measuring range is 9.1 to 12.0 °C, preset flow 2=0.98*Qm2/12 of COEFFICIENT K, the corresponding medium temperature difference T3 of third level low temperature ratings
For 23 °C, unit time temperature increment range be 12.1 to 15.0 °C, 3=0.98*Qm3/15 of preset flow COEFFICIENT K.At this point, facing
Boundary unit time temperature increment Δ Tz=3.0 °C, being tested the maximum unit time-temperature increment Delta Tsm that position allows is 15.1 °C.
In a kind of embodiment, the cold air regulation device 261 carries out regulation when temperature regulation to electric spindle motor 111
Intensity proportional is in the unit time temperature increment measured by the electro spindle temperature sensor, the data processing module 250
It is made a policy according to the temperature data measured by electro spindle temperature sensor 210 using aforementioned intelligent regulation algorithm and realizes efficient intelligence
It can temperature regulation.
In a kind of embodiment, the regulation when cold water regulation device 262 carries out temperature regulation to tooling system 120 is strong
Degree is proportional to the unit time temperature increment measured by the tool temperature sensor, 250 basis of data processing module
The temperature data measured by tool temperature sensor 220 is made a policy using aforementioned intelligent regulation algorithm and realizes high efficiency smart temperature
Regulation.
Embodiment 2.
Unlike the first embodiment, the temperature control device 260 of the present embodiment include two cold air regulation devices 261, one
A cold air regulation device 261 carries out temperature regulation to electric spindle motor 111, and a cold air regulation device 261 carries out point of a knife 123
Temperature regulation.The cold air regulation device 261 for carrying out temperature regulation to point of a knife 123 includes the gas of a face point of a knife 123
Mouth, the cold air regulation device 261 for carrying out temperature regulation to electric spindle motor 111 include a face ventilation strainer 152
Gas nozzle.The cold gas can directly cool down to being adjusted position through the gas nozzle.
For save the cost, two cold air regulation devices 261 share a cold air generating device.
Described further includes a tracheae, the tracheae and platinum to the cold air regulation device 261 of the progress temperature regulation of point of a knife 123
221 signal wire of rhodium silk temperature sensor group is consolidated by same drag chain with the X-axis power line of numerically controlled lathe 100, data line etc. jointly
Support and realize movement protection calmly, the prior art being related to can be directly used.
Since two cold air regulation devices are using Cryogenic air as medium, there is no pollute and recycle problem, thus cost
It is minimum, most environmentally friendly, most energy saving, most useful for simplied system structure.
Embodiment 3.
Unlike the first embodiment, the temperature control device 260 of the present embodiment include two cold water regulation devices 262, one
A cold water regulation device 262 carries out temperature regulation to electric spindle motor 111, and a cold water regulation device 262 carries out point of a knife 123
Temperature regulation.
Described carries out the cold water regulation device 262 of temperature regulation with embodiment 1 to point of a knife 123.
The cold water regulation device 262 for carrying out temperature regulation to electric spindle motor 111 includes that several cooling waters are logical
Road, each cooling water path is close to higher 111 stator winding of electric spindle motor of temperature rise and can drop to electric spindle motor 111
Temperature.At this point, electro spindle pedestal 150 is not required to setting electro spindle base body 151, ventilation strainer 152 and air duct 153 etc., it is only necessary to mention
Through-hole needed for Cooling Water access or vallecular cavity, can be with reference to the external cooling line installation of multiclass industrial equipment in the prior art
With fixed structure, this is not described in detail here.
For save the cost, two cold water regulation devices 262 share a cooling water tank 262-1.
Embodiment 4.
Unlike the first embodiment, as shown in Figure 10, the signal conditioning module 230 of the present embodiment, data acquisition module
240, data processing module 250 is integrated into the total module of software and hardware jointly, thus on the whole respectively from temperature protection temperature-sensitive electricity
Resistance 212 and/or such as platinum-rhodium wire temperature sensor group 221 of tool temperature sensor 220 obtain temperature data, are then integrated in PLC
The further structure of system 130 is integral, then controls cold air regulation device 261, cold water regulation device respectively by PLC system 130
262.At this point, the temperature of temperature protection thermistor 212 and/or tool temperature sensor 220 such as platinum-rhodium wire temperature sensor group 221
Spend signal through signal conditioning module 230, data acquisition module 240, data processing module 250 it is jointly integrated made of software and hardware it is total
Module obtains control instruction, which controls cold air regulation device 261 and cold water regulation device by PLC system 130
262, and then control cold air regulation device 261 and cold water regulation device 262；And the temperature signal of monitoring temperature thermistor 211
Directly it is sent to electro spindle driver 112 and through 112 internal signal conditioning module of electro spindle driver, acquisition module and data processing
Show that the real time temperature data of control instruction and electric spindle motor 111, the control instruction pass through electro spindle driver 112 after module
Electric spindle motor 111 is directly controlled, at this point, PLC system 130 directly obtains electric spindle motor 111 from electro spindle driver 112
Real time temperature data simultaneously issue control instruction control cold air regulation device 261 and cold water regulation dress according to these real time temperature data
Set 262.Monitoring temperature thermistor 211 directly controls electro spindle electricity by electro spindle driver 112 through electro spindle driver 112
The specific embodiment of machine 111 can be embodied with reference to Siemens 840D series numerically controlled lathe, and this is not described in detail here.
Related description and description have been carried out to above scheme in conjunction with specific embodiments above.It should be understood that above-described embodiment is
It is not limited the scope of the invention for illustrating the present invention.Implementation condition used in the examples can be according to the item of specific producer
Part does further adjustment, and the implementation condition being not specified is usually the condition in routine experiment.
The foregoing examples are merely illustrative of the technical concept and features of the invention, its object is to allow person skilled in the art's energy
The solution contents of the present invention much of that are simultaneously implemented accordingly, and it is not intended to limit the scope of the present invention.It is all spiritual according to the present invention
The equivalent transformation or modification that essence is done, should be covered by the protection scope of the present invention.
Technical solution of the present invention is described in detail in embodiment described above, it should be understood that the above is only
For specific embodiments of the present invention, it is not intended to restrict the invention, all any modifications made in spirit of the invention,
Supplement or similar fashion substitution etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of high efficiency smart device for monitoring temperature of numerically controlled lathe, which is characterized in that including temperature sensing module, signal condition
Module, data acquisition module, data processing module and temperature regulate and control module, and the temperature sensing module includes being arranged in electro spindle
For monitoring the electro spindle temperature sensor of electric spindle motor temperature and being arranged on point of a knife for monitoring point of a knife temperature on motor
Tool temperature sensor, the temperature sensing module is converted to the temperature information at tested position after electric signal through signal condition
Module reaches data acquisition module, and the data acquisition module completes that temperature data is reached data processing mould after analog-to-digital conversion
Block, the data processing module make a policy according to the temperature data received and issue corresponding temperature tune to temperature regulation module
Control instruction issues PLC system from control instruction to numerically controlled lathe or NC digital control system, if temperature regulation module includes
Dry temperature regulates and controls a submodule, and each temperature regulation submodule is according to the temperature regulation and control instruction received to being adjusted accordingly
Position carries out temperature regulation, each temperature regulation submodule to the regulation intensity proportional being adjusted when position carries out temperature regulation in
The unit time temperature increment Δ Ts at corresponding tested position, each temperature regulation submodule is by spraying low temperature to being adjusted position
Medium takes away the heat for being adjusted position to reduce the temperature for being adjusted position.
2. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 1, which is characterized in that the regulation intensity
It is proportional to the product of the medium temperature difference Yu medium flow, the medium temperature difference is medium temp value and the room that temperature regulates and controls module output
Temperature difference absolute value between warm temperature value, the medium temp value are less than or equal to ambient temperature value, and the medium flow is temperature
Regulate and control the flow of the low temperature medium of module output.
3. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 2, which is characterized in that the data processing
Module is previously provided with several low temperature ratings, and each low temperature ratings respectively correspond a medium temperature difference.If i-stage low temperature ratings
The corresponding medium temperature difference is Ti, room temperature Tn, and the temperature regulation module freeze by medium temperature difference Ti and continues output low temperature matchmaker
When Jie, the low temperature medium temp of output is (Tn-Ti), and real-time media flow Qsi when exporting low temperature medium is proportional to accordingly quilt
The unit time temperature increment Δ Ts, that is, Qsi=Ki Δ Ts at position is surveyed, wherein Ki is the medium temperature difference in the data processing module
The corresponding preset flow coefficient of Ti.
4. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 1, which is characterized in that when tested position
When unit time temperature increment Δ Ts is greater than the corresponding critical unit time temperature increment Δ Tz in the position, the temperature regulates and controls mould
BOB(beginning of block) carries out temperature regulation to the corresponding position that is adjusted；When the unit time temperature increment Δ Ts at tested position is less than or waits
When the corresponding critical unit time temperature increment Δ Tz in the position, the temperature regulation module stops being adjusted position to corresponding
Temperature regulation.
5. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 3, which is characterized in that real-time media flow
When Qsi is greater than i-stage low temperature ratings corresponding maximum medium flow Qmi, the data processing module is by low temperature ratings increase by one
Grade obtains new low temperature ratings corresponding medium temperature difference Ti and preset flow COEFFICIENT K i, and by new low temperature ratings according to Qsi=Ki
Δ Ts obtains new real-time media flow Qsi, obtains new medium temperature by the new corresponding new medium temperature difference Ti of low temperature ratings
It spends (Tn-Ti).
6. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 1, which is characterized in that when tested position is single
When position time-temperature increment Delta Ts is greater than or equal to the maximum unit time-temperature increment Delta Tsm that tested position allows, at data
It manages module and issues alarm command and complete machine halt instruction, PLC system from the PLC of numerically controlled lathe to numerically controlled lathe or NC digital control system
System or NC digital control system activate alarm lamp and alarm buzzer after receiving alarm command and record time of fire alarming and relevant information,
All to numerically controlled lathe electrification motion modules after complete machine halt instruction are received to carry out power operation and stop all processing actions.
7. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 3, which is characterized in that when low temperature ratings are
When highest and real-time media flow Qsi is greater than maximum medium temperature difference Tm corresponding maximum medium flow Qmm, data processing module
Alarm command is issued to the PLC system or NC digital control system of numerically controlled lathe and to being adjusted position cut-offing instruction, numerically controlled lathe
PLC system or NC digital control system receive after alarm command activation alarm lamp and alarm buzzer and record time of fire alarming and related believe
Breath receives and carries out power operation to being adjusted the electrification motion module that position is related to being adjusted after the cut-offing instruction of position.
8. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 3, which is characterized in that the i grades of medium
The corresponding maximum medium flow Qmi of the temperature difference is equal to maximum media flow of the relevant temperature regulation submodule when the medium temperature difference is equal to zero
Qm is measured multiplied by the corresponding medium flow power coefficient Kp of the i grade medium temperature difference of temperature regulation submodule, the i grades of medium flow
Power coefficient Kp is equal to the temperature and regulates and controls the corresponding medium output power Pqi of the submodule i grades of medium temperature difference divided by temperature regulation
Submodule general power Pa, i.e. Qmi=Qm Kp=Qm (Pqi/Pa)；The preset flow COEFFICIENT K i is equal to flow constant Kq multiplied by the
Divided by the corresponding maximum unit time-temperature increment of the i-stage medium temperature difference after the corresponding maximum medium flow Qmi of the i grades of medium temperature difference
Δ Tsmi, i.e. Ki=Kq Qmi/ Δ Tsmi, the flow constant Kq is less than 1 and is greater than 0.
9. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 8, which is characterized in that the data processing
It is made a policy when module makes a policy according to the temperature data received using following intelligent control algorithm:
(1) circulation starts, into next step；
(2) judge whether tested position unit time temperature increment Δ Ts is less than the maximum unit time-temperature increasing of position permission
Δ Tsm is measured, if it is not, then PLC system from data processing module to numerically controlled lathe or NC digital control system issues alarm command and whole
Machine halt instruction, circulation terminate；If so, entering in next step；
(3) judge whether the unit time temperature increment Δ Ts at tested position is greater than the corresponding critical unit time temperature in the position
Increment Delta Tz and returns to step if it is not, then data processing module issues to temperature regulation module and stops temperature regulation and control instruction
Suddenly (1)；If so, entering in next step；
(4) according to low temperature ratings preset in data processing module and the corresponding unit time temperature increment range of each rank, choosing
It selects low temperature ratings i and then determines the corresponding medium temperature difference Ti and preset flow COEFFICIENT K i of the low temperature ratings, into next step；
(5) data processing module issues temperature regulation and control instruction to temperature regulation module, and temperature regulates and controls the corresponding temperature of module
Regulation submodule freezes by medium temperature difference Ti and exports low temperature medium by medium flow Qsi=Ki Δ Ts, into next step；
(6) judge whether real-time media flow Qsi is greater than the corresponding maximum medium flow Qmi of the i-stage medium temperature difference, if so,
Low temperature ratings increase level-one is obtained the corresponding medium temperature difference Ti of new low temperature ratings and preset flow system by the data processing module
Number Ki, returns again to step (5)；If it is not, then entering in next step；
(7) judge whether to meet the following conditions: low temperature ratings are greater than highest low-temperature level for highest and real-time media flow Qsi
Not corresponding maximum medium flow Qmm, if so, data processing module is sent out to the PLC system or NC digital control system of numerically controlled lathe
Alarm command and to position cut-offing instruction is adjusted out, circulation terminates；If it is not, then return step (1).
10. numerically controlled lathe high efficiency smart device for monitoring temperature according to claim 1, which is characterized in that the temperature tune
Controlling device includes two cold air regulation devices, and a cold air regulation device carries out temperature regulation, a cold air to electric spindle motor
Regulation device carries out temperature regulation to point of a knife.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378640A (en) * | 2021-03-23 | 2022-04-22 | 中国航发南方工业有限公司 | On-line measuring device for temperature and size change of workpiece in turning process |
| CN114952414A (en) * | 2022-05-19 | 2022-08-30 | 杭州华遨科技有限公司 | Dynamic temperature control method, system, device, computer equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155143A (en) * | 1982-03-08 | 1983-09-14 | Toshiba Corp | Main spindle load controller of machine tool |
| CN102166722A (en) * | 2010-12-22 | 2011-08-31 | 西安交通大学苏州研究院 | Comprehensive monitoring system and method for temperature and thermal deformation of high-speed numerically-controlled lathe |
| CN103341782A (en) * | 2013-06-27 | 2013-10-09 | 苏州边枫电子科技有限公司 | Automatic drill temperature control device of drilling machine |
| CN105538039A (en) * | 2016-02-05 | 2016-05-04 | 河南正航主轴科技有限公司 | Intelligent electric spindle control implementation method |
| CN107052378A (en) * | 2017-04-13 | 2017-08-18 | 福建工程学院 | The adaptive lathe tool temperature-adjusting device of Two-way Cycle honeycomb fashion and method of work |
| CN107160237A (en) * | 2017-07-14 | 2017-09-15 | 西安交通大学 | A kind of real-time cooling system of the electro spindle of flow automatic regulation and control method |
| CN206998447U (en) * | 2017-07-19 | 2018-02-13 | 昆山西港五金机械有限公司 | A kind of cooling control system with more recanalization cooling effectiveness |
-
2018
- 2018-09-13 CN CN201811070645.7A patent/CN109129014A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155143A (en) * | 1982-03-08 | 1983-09-14 | Toshiba Corp | Main spindle load controller of machine tool |
| CN102166722A (en) * | 2010-12-22 | 2011-08-31 | 西安交通大学苏州研究院 | Comprehensive monitoring system and method for temperature and thermal deformation of high-speed numerically-controlled lathe |
| CN103341782A (en) * | 2013-06-27 | 2013-10-09 | 苏州边枫电子科技有限公司 | Automatic drill temperature control device of drilling machine |
| CN105538039A (en) * | 2016-02-05 | 2016-05-04 | 河南正航主轴科技有限公司 | Intelligent electric spindle control implementation method |
| CN107052378A (en) * | 2017-04-13 | 2017-08-18 | 福建工程学院 | The adaptive lathe tool temperature-adjusting device of Two-way Cycle honeycomb fashion and method of work |
| CN107160237A (en) * | 2017-07-14 | 2017-09-15 | 西安交通大学 | A kind of real-time cooling system of the electro spindle of flow automatic regulation and control method |
| CN206998447U (en) * | 2017-07-19 | 2018-02-13 | 昆山西港五金机械有限公司 | A kind of cooling control system with more recanalization cooling effectiveness |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378640A (en) * | 2021-03-23 | 2022-04-22 | 中国航发南方工业有限公司 | On-line measuring device for temperature and size change of workpiece in turning process |
| CN114952414A (en) * | 2022-05-19 | 2022-08-30 | 杭州华遨科技有限公司 | Dynamic temperature control method, system, device, computer equipment and storage medium |
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