CN104965490B - Wood milling processing electro spindle real-time monitoring system - Google Patents

Wood milling processing electro spindle real-time monitoring system Download PDF

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Publication number
CN104965490B
CN104965490B CN201510378334.7A CN201510378334A CN104965490B CN 104965490 B CN104965490 B CN 104965490B CN 201510378334 A CN201510378334 A CN 201510378334A CN 104965490 B CN104965490 B CN 104965490B
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electro spindle
milling processing
sensor
wood milling
bearing
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CN104965490A (en
Inventor
张伟
张鹏飞
何海龙
金征
王双永
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BEIJING FOREST MACHINERY INST STATE FOREST BUREAU
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BEIJING FOREST MACHINERY INST STATE FOREST BUREAU
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065Monitoring tool breakage, life or condition
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/34Director, elements to supervisory
    • G05B2219/34294Diagnostic, locate failures
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/34Director, elements to supervisory
    • G05B2219/34477Fault prediction, analyzing signal trends
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/37Measurements
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/45Nc applications

Abstract

The invention discloses a kind of real-time monitoring system for wood milling processing electro spindle, including controller, controller and the first temperature sensor for being used to detect rotor temperature rise being arranged on wood milling processing electro spindle, before detection, the second temperature sensor of bearing temperature rise afterwards, before detection, the acceleration transducer of bear vibration afterwards, for detecting the rotating speed coder of the speed of mainshaft, for detect the action of loose tool-broaching mechanism whether proximity switch group in place, for detecting the pressure sensor of cylinder air pressure, for detecting the voltage of wood milling processing electro spindle respectively, the voltage sensor of electric current, current sensor is connected.The present invention can realize and monitor effectively in real time that look-ahead is out of order and the generation of damage, reaches the purpose accelerated job schedule, improve production efficiency to the performance indications of wood milling processing electro spindle.

Description

Wood milling processing electro spindle real-time monitoring system
Technical field
The present invention relates to a kind of automatic control system for being used to monitor wood milling processing electro spindle in real time, belong to timber milling Cut machining of electric main shaft monitoring field.
Background technology
Timber processing is mainly characterized by high-speed milling, and wood milling processing electro spindle is the processing head of wood craft machines, It is integrated with traditional machine tool main axle structure and Modern High-Speed motor technology, has the characteristics that compact-sized, efficient energy-saving, wide General application.
In long-term use it can be found that the performance of wood milling processing electro spindle is to the overall processing water of wood craft machines It is flat to have a direct impact.Specifically, because timber belongs to organic anisotropic material, there is certain intensity and hardness, And timber has the defects of natural knot, thus, timber is during high-rate wireless LAN, wood milling processing electro spindle meeting Trigger vibration because of factors such as unbalance stress, long time running, assembly problems, the situations such as lasting overheat occur, and timber milling Cut the parts such as the front and back bearings of machining of electric main shaft, stator, rotor easily broken down after long-time is in overload operation or Damage, these all can produce considerable influence to the processing characteristics and service life of wood milling processing electro spindle.
Way traditional at present is after wood milling processing electro spindle breaks down or damaged, and shutdown is overhauled.This The defects of kind of way is:On the one hand, it is time-consuming to take if wood milling processing electro spindle searches failure cause again after breaking down Power, production efficiency is reduced, on the other hand, when wood milling processing electro spindle, which is damaged, to be needed to change, it is necessary to stop life Production, job schedule certainly will be delayed, reduce production efficiency.
The content of the invention
It is an object of the invention to provide a kind of wood milling processing electro spindle real-time monitoring system, and it can be to wood milling The performance indications of machining of electric main shaft realize and monitored effectively in real time that look-ahead is out of order and the generation of damage, reaches quickening work Make progress, improve the purpose of production efficiency.
To achieve these goals, present invention employs following technical scheme:
A kind of wood milling processing electro spindle real-time monitoring system, for wood milling processing electro spindle, wood milling adds Work electro spindle includes main shaft, and fore bearing, rear bearing are respectively fitted with the front and back ends of main shaft, and axle, which takes up, fits over bearing block It is interior and fixed via bearing block and outer shell phase, rotor is installed, the periphery of rotor is correspondingly provided with stator, and stator is solid in the middle part of main shaft It is scheduled on outer casing inner wall and is wound with stator coil, the rear end of main shaft is provided with cylinder and, its feature corresponding with the pull bar of cylinder It is:Real-time monitoring system includes controller, and controller is used to detect fixed turn with being arranged on wood milling processing electro spindle First temperature sensor of sub- temperature rise, the second temperature sensor for detecting forward and backward bearing temperature rise, for detecting axle Hold the acceleration transducer of vibration, the rotating speed coder for detecting the speed of mainshaft, for whether detecting loose tool-broaching mechanism action Proximity switch group in place, the pressure sensor for detecting cylinder air pressure, for detecting wood milling processing electro spindle respectively Voltage, voltage sensor, the current sensor of electric current be connected.
It is preferred that with the stator the both ends respectively relative outer casing inner wall, it is equal along the circumference of the outer casing inner wall Multiple first temperature sensors are furnished with, and the sensing range of first temperature sensor is described outer more than or equal to where it The radius of shell inwall circumference.
It is preferred that on the relative bearing block inwall in gap between two bearings forming the fore bearing, edge The bearing block inwall is evenly distributed in multiple second temperature sensors, with form it is described after bearing two bearings it Between the relative bearing block inwall in gap on, passed along multiple second temperatures that are evenly distributed in of the bearing block inwall Sensor, and the sensing range of the second temperature sensor is more than or equal to the radius of the bearing block inwall circumference where it.
It is preferred that the acceleration transducer be fixed in the recessed counterbore of the bearing block outer wall and with the fore bearing Or the rear bearing is affixed closely.The acceleration transducer is three-axis acceleration sensor.
It is preferred that the rotating speed coder is made up of photoelectric sensor and code-disc, wherein, code-disc is fixed on the main shaft On rear end, photoelectric sensor corresponds to code-disc setting.
It is preferred that the proximity switch group is by corresponding to the stretching of the back end of tie rod relative set on the cylinder in place Detect proximity switch and retract and detect proximity switch composition in place.
It is preferred that the pressure sensor is arranged at the air intake of the cylinder.
It is preferred that A, B that the voltage sensor is connected in parallel on the stator coil connect between line end, the current sense The C that device is connected on the stator coil connects on line end.
It is an advantage of the invention that:
The present invention can monitor in real time, effectively to the performance indications realization of wood milling processing electro spindle, the performance being related to Index have rotor temperature rise, front and back bearings temperature rise, front and back bearings vibration, the speed of mainshaft, loose tool-broaching mechanism action whether in place, gas Cylinder atmospheric pressure value, electro spindle three-phase voltage, electric current and working time under power, different rotating speeds and net cycle time etc., so that By the monitoring to performance indications, carry out look-ahead and have imminent failure and damage, so as to main to wood milling processing electricity Axle, which is taken, to carry out the control measure such as stalling in advance, avoid failure or damage occur and cause job schedule delay and production efficiency Reduction.
Brief description of the drawings
Fig. 1 is the composition schematic diagram of real-time monitoring system of the present invention.
Fig. 2 is installation settings explanation figure of the real-time monitoring system of the present invention on wood milling processing electro spindle.
Fig. 3 A- Fig. 3 C are the instance graphs of the first temperature sensor arrangement.
Embodiment
Real-time monitoring system of the present invention is used for wood milling processing electro spindle, as Fig. 1 and Fig. 2, wood milling processing electricity are main Axle includes the main shaft 11 for installing loose tool-broaching mechanism 10, and fore bearing 13, rear bearing 14 are respectively fitted with the front and back ends of main shaft 11, Forward and backward bearing 13,14 is respectively assembled in bearing block 131,141 and each fixed via bearing block 131,141 and the phase of shell 16, The middle part of main shaft 11, i.e., rotor 12 is installed between forward and backward bearing 13,14, the periphery of rotor 12 is correspondingly provided with stator 15, stator 15 are fixed on the inwall of shell 16 and are wound with stator coil (not shown), the rear end of main shaft 11 be provided with cylinder 17 and with gas The 171 corresponding setting of pull bar of cylinder 17, stator coil, cylinder 17 are each connected with respective drive system (not shown).
Such as Fig. 1 and Fig. 2, real-time monitoring system of the present invention includes controller 20, and controller 20 adds with being arranged on wood milling It is the first temperature sensor 21 for being used to detect rotor temperature rise on work electro spindle (hereinafter referred to as electro spindle), front and rear for detecting The second temperature sensor 22 of bearing temperature rise, for detect front and back bearings vibration acceleration transducer 24, for detecting main shaft The rotating speed coder 25 of rotating speed, for detect the action of loose tool-broaching mechanism whether proximity switch group 28 in place, for detecting cylinder The pressure sensor 23 of air pressure, the voltage sensor for detecting electro spindle voltage, the electric current biography for detecting electro spindle electric current Sensor is connected.
Substantial amounts of dust can be produced during wood milling processing, therefore the working environment of electro spindle is compared with metal cutting electricity Main shaft is more severe, and temperature survey is had a great influence by the structural factor of working environment and electro spindle.Thus, the present invention is to the first temperature Degree sensor 21, the temperature measurement location of second temperature sensor 22 are rationally designed, and are explained in detail below:
In order to which the temperature rise more accurately to stator 15, rotor 12 measures, with the both ends of stator 15 relative shell respectively On 16 inwalls, multiple first temperature sensors 21 are evenly distributed in along the inwall of shell 16.That is, respectively end is relative for stator 15 Should multiple first temperature sensors 21 of the ground provided with the circumference uniform distribution along the inwall of shell 16 on the inwall of shell 16.Such as Fig. 2, in figure The first temperature sensor 21 being correspondingly arranged on the one end of stator 15 is illustrate only, and the first temperature that the other end of stator 15 is correspondingly arranged Degree sensor is not shown.
And it is preferred that the sensing range of the first temperature sensor 21 is more than or equal to the half of its place inwall circumference of shell 16 Footpath.In order to avoid each temperature point on the same inwall circumference of shell 16 interferes and ensured temperature measurement data accuracy, In the present invention, the quantity of the first temperature sensor 21 being distributed on the same inwall circumference of shell 16 can be 2,3,4 or More, respectively as shown in Fig. 3 A to Fig. 3 C, in figure, label 30 represent the first temperature sensor 21 sensing range (referring to Fine rule circle), label 40 represents the inwall circumference of shell 16 (referring to thick line circle).In view of sensing the coincidence degree of area to the The influence of the sensing effect and cost of one temperature sensor 21, in actual use, it is in a manner of being evenly arranged shown in Fig. 3 B Preferably, i.e., uniform 3 the first temperature sensors 21 and the sensing range of the first temperature sensor 21 is made on the inwall circumference of shell 16 More than or equal to the radius of the inwall circumference of shell 16 where it, such setting can be realized circumferentially whole to the inwall of electro spindle shell 16 Comprehensive accurate measurements in individual region, are not in monitoring blind area.
In order to avoid forward and backward bearing temperature rise is disturbed by electro spindle internal grease, dust, two with forming fore bearing 13 On the relative inwall of bearing block 131 in gap between bearing, passed along multiple second temperatures that are evenly distributed in of the inwall of bearing block 131 On the relative inwall of bearing block 141 in gap between sensor 22, and two bearings of bearing after composition 14, along bearing block 141 Wall is evenly distributed in multiple second temperature sensors 22.
And with the first temperature sensor 21 similarly, it is preferred that the sensing range of second temperature sensor 22 should be greater than Equal to the radius of the inwall circumference of bearing block 131 or 141 where it.In order to avoid on the same inwall circumference of bearing block 131 or 141 Each temperature point interferes and ensured temperature measurement data accuracy, is distributed on the same inwall circumference of bearing block 131 or 141 The quantity of second temperature sensor 22 can be 2,3,4 or more, wherein, it is contemplated that sense the coincidence degree pair of area The sensing effect of second temperature sensor 22 and the influence of cost, each uniform 3 second on bearing block 131,141 inwall circumference Temperature sensor 22 and make second temperature sensor 22 sensing range be more than or equal to its where bearing block 131 or 141 inwall circle The radius in week is advisable, and such setting can realize comprehensive and accurate monitoring, be not in monitoring blind area.In the present invention, The arrangement of two temperature sensors 22 refers to Fig. 3 A to Fig. 3 C to understand.
In actual use, acceleration transducer 24 is preferably fixed in counterbore 18 recessed on the outer wall of bearing block 131 And press close to the phase of fore bearing 13, or, acceleration transducer 24 is preferably fixed in counterbore recessed on the outer wall of bearing block 141 And press close to the rear phase of bearing 14.In actual applications, the vibration state of any one in fore bearing 13 or rear bearing 14 is measured Both can, the vibration state of fore bearing 13 detected by acceleration transducer 24 or rear bearing 14 can represent fore bearing 13 and after The Vibration Condition that bearing 14 is jointly subjected to, such design can make acceleration transducer 24 accurately to fore bearing 13 or rear axle When holding 14 Vibration Condition vibration deformation data are measured out, its own will not shaking because of fore bearing 13 or rear bearing 14 Move and be damaged.
It is preferred that acceleration transducer 24 selects three-axis acceleration sensor.Three-axis acceleration sensor can be simultaneously Detect horizontal direction of the bearing (fore bearing 13 or rear bearing 14) in the vertical plane vertical with the axial direction of main shaft 11, Vertical Square Vibration deformation on the upward and axial direction of main shaft 11, so as to which event nearby whether occur to forward and backward bearing 13,14 in electro spindle Barrier is judged.
Such as Fig. 2, rotating speed coder 25 is made up of photoelectric sensor 252 and code-disc 251, wherein, code-disc 251 is fixed on main shaft On 11 rear end, the corresponding code-disc 251 of photoelectric sensor 252 is set.The per revolution of main shaft 11, code-disc 251 are directed at photoelectric sensing Device 252 once, so as to by measuring the time interval (i.e. cycle) between two neighboring pulse obtain the rotating speed of main shaft 11, to master Axle 11 is rotated, halted state is judged, so that it is guaranteed that carrying out tool changing action under halted state, and is combined under certain rotating speed The working time of detection judges rotation position of main shaft 11 etc..
In practice, it is one of important indicator for weighing wood craft machines to change the speed of loose tool-broaching mechanism and quality, and its is straight The use reliability for affecting electro spindle, precision and service life are connect, and then affects the processing efficiency and workpiece of wood craft machines Quality.Proximity switch group 28 in such a situation, the present invention is by the rear end relative set of pull bar 171 on corresponding cylinder 17 Stretch out detection proximity switch 26 in place and detection proximity switch 27 in place of retracting is formed.Stretch out detect proximity switch 26 in place can be with Detect whether the loose tool-broaching mechanism 10 in the hole of main shaft 11 is stretched out in place by pull bar 171, after stretching out in place, pull bar 171 can be protected Loose tool-broaching mechanism state of withstanding is held, and detection proximity switch 27 in place of retracting can detect whether pull bar 171 retracts in place.In reality Border is in use, the loose tool-broaching mechanism 10 in the hole of main shaft 11 needs that cutter just can be achieved in master after successfully completing stretching, retract action Successful replacing on axle 11.
In practice, proximity switch group 28 is combined with judgement of the rotating speed coder 25 to the rotating speed of main shaft 11, may further be used to Ensure that loose tool-broaching mechanism 10 carries out automatic tool changer action under the stop state of main shaft 11.
Such as Fig. 2, pressure sensor 23 may be provided at the air intake of cylinder 17, and it is mainly used in the air pressure for measuring cylinder 17 Whether loose tool-broaching mechanism 10 is stretched out enough and retract action.
Such as Fig. 2, it is preferable that A, B that voltage sensor 291 is connected in parallel on stator coil connect between line end, current sensor 292 C for being connected on stator coil connect on line end.Certainly, voltage sensor 291, current sensor 292 connected mode not It is confined to above-mentioned.
In the present invention, the first temperature sensor 21, second temperature sensor 22 are common temperature sensor, are controlled Device 20 is technology known in the art.First temperature sensor 21, second temperature sensor 22, acceleration transducer 24, rotating speed Encoder 25, proximity switch group 28, pressure sensor 23, voltage sensor 291, current sensor 292 detect for performance indications Device, the signal terminal of these performance indications detection device are connected with the corresponding signal terminal of controller 20 respectively.
In actual use, after electro spindle starts and enters stable operation stage, controller 20 of the invention starts Carry out the detection of property indices, and the collection letter that each performance indications detection device transmission of the real-time reception of controller 20 comes Number, carry out calculating analysis and store after these signals are carried out with A/D conversion process.Specifically:First temperature sensor 21 is examined Temperature near measure 15, so as to calculate the temperature rise of rotor.Second temperature sensor 22 detects forward and backward bearing 13,14 Temperature, so as to calculate the temperature rise of forward and backward bearing 13,14.The detection fore bearing 13 of acceleration transducer 24 or afterwards bearing 14 Vibration, so as to which to fore bearing 13, whether rear bearing 14 breaks down makes analysis.Rotating speed coder 25 detects turning for main shaft 11 Speed, so as to be rotated to main shaft 11, halted state progress discriminatory analysis, on the one hand it can combine work in the case where main shaft 11 is in certain rotating speed Time data is judged the rotation position of main shaft 11, on the other hand can coordinate proximity switch group 28 to ensure loose broaching tool machine Structure 10 carries out safe tool changing action under the halted state of main shaft 11.For proximity switch group 28, when main shaft 11 stops carrying out tool changing When, stretch out in place detection proximity switch 26 detect loose tool-broaching mechanism 10 in the hole of main shaft 11 whether by pull bar 171 stretch out in place, when After stretching out in place, pull bar 171 can keep withstanding loose tool-broaching mechanism state, retract detect the detection pull bar of proximity switch 27 in place immediately Whether 171 retract in place, detects the detection of proximity switch 27 in place so as to detect proximity switch 26 in place according to stretching with retracting As a result tool changing action whether is successfully completed to electro spindle to judge.And during cylinder 17 is run, pressure sensor 23 The atmospheric pressure value of detection cylinder 17 in real time, whether complete to stretch out enough to carry out with loose tool-broaching mechanism 10 of retracting with the air pressure to cylinder 17 Judge.Also, voltage sensor 291 obtains three-phase voltage signal in real time, and current sensor 292 obtains electric current letter in real time Number, calculated with the actual motion power to electro spindle, and electro spindle is calculated in different rotating speeds according to current signal Under working time and net cycle time, so as to coordinate related performance indicators detection device electro spindle relevant operational state is entered Row monitoring.
In practice, the normal range (NR) of each performance indications can be set, if controller 20 calculates certain analyzed The numerical value of performance indications will exceed normal range (NR), then do the trending early warning for being out of order or damaging.Fault trend early warning content bag Containing type, reason, location point and the extent of injury that may be broken down, damage trending early warning content includes what may be damaged Type, reason, location point and the extent of injury.
For example, if the temperature data gathered by the first temperature sensor 21 judges that the temperature rise of rotor will exceed just Normal scope, or the temperature data gathered by second temperature sensor 22 judge that the temperature rise of forward and backward bearing 13,14 will surpass Normal range (NR) is crossed, or the vibration data gathered by acceleration transducer 24 judges that fore bearing 13 or rear bearing 14 may go out Existing failure, or the barometric information gathered by pressure sensor 23 judge that the air pressure of cylinder 17 will be not enough to carry out loose broaching tool Mechanism 10 stretches out and retract action, or the electro spindle three-phase electricity calculated by voltage sensor 291, current sensor 292 Pressure value and current value and judge that the actual motion power of electro spindle will exceed rated maximum power, then controller 20 can be sent out Go out pre-warning signal, so that the measures such as stalling are carried out electro spindle in advance.
If the numerical value that controller 20 calculates certain performance indications analyzed exceedes normal range (NR), it should immediately do and be out of order Or (accident analysis includes fault type, failure cause, abort situation point and the fault harm degree of determining, damage point to Failure analysis Analysis includes determination types of damage, the source of damage, damage location point and the damage extent of injury), and alarmed in time.
In practice, the change of property indices can be real-time transmitted to the correlation of control electro spindle operation by controller 20 System, to realize the adaptive adjustment to electro spindle working condition, so as to realize the intelligent monitoring of electro spindle and control.
In addition, controller 20 can also give performance indications data to Surveillance center either related personnel by network transmission In the terminals such as mobile phone, remote technical support system is realized.
The present invention can monitor in real time, effectively to the performance indications realization of wood milling processing electro spindle, the performance being related to Index have rotor temperature rise, front and back bearings temperature rise, front and back bearings vibration, the speed of mainshaft, loose tool-broaching mechanism action whether in place, gas Cylinder atmospheric pressure value, electro spindle three-phase voltage, electric current and working time under power, different rotating speeds and net cycle time etc., so that By the monitoring to performance indications, carry out the generation that look-ahead is out of order with damage, so as to be adopted to wood milling processing electro spindle Take and carry out the control measure such as stalling in advance, avoid failure or damage from occurring and cause the drop delayed with production efficiency of job schedule It is low.
The technical principle described above for being presently preferred embodiments of the present invention and its being used, for those skilled in the art For, without departing from the spirit and scope of the present invention, any equivalent change based on the basis of technical solution of the present invention Change, the simply obvious change such as replacement, belong within the scope of the present invention.

Claims (7)

  1. A kind of 1. wood milling processing electro spindle real-time monitoring system, for wood milling processing electro spindle, wood milling processing Electro spindle includes main shaft, and fore bearing, rear bearing are respectively fitted with the front and back ends of main shaft, and axle, which takes up, to be fitted in bearing block And fixed via bearing block and outer shell phase, rotor is installed, the periphery of rotor is correspondingly provided with stator, and stator is fixed in the middle part of main shaft On outer casing inner wall and it is wound with stator coil, the rear end of main shaft is provided with cylinder and corresponding with the pull bar of cylinder, and its feature exists In:Real-time monitoring system includes controller, controller and be arranged on wood milling processing electro spindle be used for detect rotor First temperature sensor of temperature rise, the second temperature sensor for detecting forward and backward bearing temperature rise, for detecting forward and backward bearing The acceleration transducer of vibration, the rotating speed coder for detecting the speed of mainshaft, for detecting whether the action of loose tool-broaching mechanism arrives Position proximity switch group, the pressure sensor for detecting cylinder air pressure, for detecting wood milling processing electro spindle respectively Voltage, the voltage sensor of electric current, current sensor are connected;With on the stator the both ends respectively relative outer casing inner wall, Along multiple first temperature sensors that are evenly distributed in of the outer casing inner wall, and the sensing model of first temperature sensor Enclose the radius more than or equal to the outer casing inner wall circumference where it;Proximity switch group is accordingly set by the back end of tie rod on corresponding cylinder The stretching put detects proximity switch and retracted in place detects proximity switch composition in place, stretches out detection proximity switch in place and detects Whether the loose tool-broaching mechanism in spindle hole is stretched out in place by pull bar, and after stretching out in place, pull bar keeps withstanding loose tool-broaching mechanism shape State, and whether detection proximity switch detection pull bar in place of retracting retracts in place, wherein, the loose tool-broaching mechanism in spindle hole has succeeded Successful replacing of the cutter on main shaft is just realized after into stretching, retract action.
  2. 2. wood milling processing electro spindle real-time monitoring system as claimed in claim 1, it is characterised in that:
    On the relative bearing block inwall in the gap between two bearings forming the fore bearing, along the bearing block Wall is evenly distributed in multiple second temperature sensors, and the gap between two bearings with forming the rear bearing is relative The bearing block inwall on, be evenly distributed in multiple second temperature sensors along the bearing block inwall, and described The sensing range of second temperature sensor is more than or equal to the radius of the bearing block inwall circumference where it.
  3. 3. wood milling processing electro spindle real-time monitoring system as claimed in claim 1, it is characterised in that:
    The acceleration transducer be fixed in the recessed counterbore of the bearing block outer wall and with the fore bearing or the rear axle Hold and mutually press close to.
  4. 4. wood milling processing electro spindle real-time monitoring system as claimed in claim 3, it is characterised in that:
    The acceleration transducer is three-axis acceleration sensor.
  5. 5. wood milling processing electro spindle real-time monitoring system as claimed in claim 1, it is characterised in that:
    The rotating speed coder is made up of photoelectric sensor and code-disc, wherein, code-disc is fixed on the rear end of the main shaft, photoelectricity Sensor corresponds to code-disc setting.
  6. 6. wood milling processing electro spindle real-time monitoring system as claimed in claim 1, it is characterised in that:
    The pressure sensor is arranged at the air intake of the cylinder.
  7. 7. wood milling processing electro spindle real-time monitoring system as claimed in claim 1, it is characterised in that:
    A, B that the voltage sensor is connected in parallel on the stator coil connect between line end, and the current sensor is connected on institute The C for stating stator coil connects on line end.
CN201510378334.7A 2015-07-01 2015-07-01 Wood milling processing electro spindle real-time monitoring system Active CN104965490B (en)

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CN105537629B (en) * 2016-02-05 2018-08-10 河南正航主轴科技有限公司 A kind of intelligence electro spindle
CN105538039B (en) * 2016-02-05 2018-01-30 河南正航主轴科技有限公司 Intelligent electro spindle controls implementation
CN105865767A (en) * 2016-04-14 2016-08-17 西安交通大学 Electric spindle with remote vibration monitoring function, and testing system thereof
CN105807716B (en) * 2016-05-18 2019-04-19 福建工程学院 Remanufacture lathe health monitoring systems
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