CN106736858A - A kind of servo-actuated integrated form cutting force intelligent monitor system - Google Patents
A kind of servo-actuated integrated form cutting force intelligent monitor system Download PDFInfo
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- CN106736858A CN106736858A CN201611230695.8A CN201611230695A CN106736858A CN 106736858 A CN106736858 A CN 106736858A CN 201611230695 A CN201611230695 A CN 201611230695A CN 106736858 A CN106736858 A CN 106736858A
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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
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Abstract
A kind of servo-actuated integrated form cutting force intelligent monitor system, including handle of a knife servo-actuated module, wireless power transmitter module and data reception module, wireless power transmitter module and data reception module and the servo-actuated module wireless connection of handle of a knife；The servo-actuated module of handle of a knife includes handle of a knife, cutter connector and handle of a knife follower, handle of a knife follower and cutter connector are both connected to the lower end of handle of a knife, handle of a knife bottom sets force sensor, preposition conditioning module, data acquisition module, wireless communication module and wireless power receiver module are provided with handle of a knife follower, force snesor, preposition conditioning module, data acquisition module and wireless communication module are sequentially connected and are connected with wireless power receiver module, and photoelectric encoder module is additionally provided with handle of a knife follower.Be integrated into the module such as pressure sensor and its data processing, collection, transmission and power supply on handle of a knife by this, and cutting force measurement high precision can be servo-actuated monitor in real time, it is ensured that Cutting Force Signal intensity.
Description
Technical field
The present invention relates to a kind of for, to the system of the Cutting Force Signal real-time monitoring of handle of a knife, belonging in metal cutting process
Cutting force meansurement technical field.
Background technology
Cutting force is a kind of particularly important physical phenomenon in machining, directly affects stock-removing efficiency, working angles
Safety, machining deformation, machined surface quality and tool wear etc., the change of cutting force size can in real time reflect the abrasion of cutter
Situation, and theoretical foundation, therefore cutting force can be provided to improve machining accuracy, the research of metal cutting mechanism and Research on processing technology
Accurate, real-time monitoring have particularly important meaning to improving process technology level.
Most commonly used dynamic cutting force measuring system is should be at present for desk-top piezoelectric type cutting dynamometer, and it is arranged on machine
Between bed workbench and measured workpiece, Cutting Force Signal passes through data line transfer to signal amplifier, quilt after filtered and amplification
Data collecting card is received, and is then shown and is stored to PC terminals through data line transfer.This cutting dynamometer is generally all right
Workpiece size and installation constraint are restricted, further, since what the vibration of platen and the change of workpiece material removal amount caused
Inertia force will also result in the uncertainty of measurement.
The content of the invention
It is an object of the invention to propose a kind of servo-actuated integrated form cutting force intelligent monitor system, change existing cutting force
Measurement scheme, by force sensor integrated to Digit Control Machine Tool handle of a knife, rotates together with during test with cutter, and what now cutter was subject to cuts
Cutting power can act directly on force snesor, so as to break through to workpiece size, install the limitation such as constraint, realize the reality to cutting force
When monitor, the system has the advantages that sensitivity high, simple structure and easy installation and removal, easy to maintain.
To achieve the above object, servo-actuated integrated form cutting force intelligent monitor system of the invention, using following technical scheme：
The system, including handle of a knife servo-actuated module, wireless power transmitter module and data reception module；The handle of a knife is with dynamic model
Block includes handle of a knife, cutter connector and handle of a knife follower, and handle of a knife follower and cutter connector are both connected to the lower end of handle of a knife, knife
Handle follower is sleeved on the outside of cutter connector, and handle of a knife bottom sets force sensor, is provided with handle of a knife follower preposition
Conditioning module, data acquisition module, wireless communication module and wireless power receiver module, force snesor, preposition conditioning module, number
It is sequentially connected according to acquisition module and wireless communication module and is connected with wireless power receiver module, is also set up on handle of a knife follower
There is photoelectric encoder module；Wireless power transmitter module is connected wirelessly with wireless power receiver module, data reception module and nothing
Line communication module wireless connection.
The force snesor is fixed on the bottom of handle of a knife, and the axis in handle of a knife by pretension bolt.
The preposition conditioning module, data acquisition module and wireless communication module are installed on module carrier.
The photoelectric encoder module includes the grating reading head being arranged on the handle of a knife follower and is fixed on lathe master
The circular grating chi of axle lower end.
The upper surface of the handle of a knife follower is provided with gimbal.
The wireless power receiver module includes the first ferrite sheet, receiving coil, the first retainer, the first repeating coil
And shrouding, receiving coil and the first repeating coil are installed on the upper and lower surface of the first retainer, the first retainer and first respectively
Ferrite sheet and shrouding are fixed together.Wireless power receiver module is connected in handle of a knife follower by shrouding
The wireless power transmitter module includes that the second ferrite sheet, the second repeating coil, radiating circuit, second keep
Frame, transmitting coil and shell, the second ferrite sheet, the second repeating coil, radiating circuit, the second retainer and transmitting coil are by upper
It is successively set in shell under.
The transmitting coil, the second repeating coil, receiving coil and the first repeating coil by 3~5 layers of coils from parallel connection of coils around
Make and be plane dish-type gradually opening structure per layer line circle, this structure can increase the amplitude of space magnetic field intensity and reduce equivalent
The value of inductance.
In working angles, force snesor detects the Cutting Force Signal of cutter in real time, and original Cutting Force Signal is premenstrual
After putting conditioning module filtering and amplifying, A/D conversions and storage are received by data acquisition module and carried out.Data acquisition module is simultaneously
The cutter rotary angle signal of photoelectric encoder module collection is received, Cutting Force Signal and angle signal are then passed through into channel radio
Letter module sends, and is received by data reception module, processes and show in real time.
Cutting force measurement high precision of the present invention, can be servo-actuated monitor in real time, it is ensured that Cutting Force Signal intensity.Solve existing
There is cutting force measurement the measuring precision low, it is impossible to the problems such as servo-actuated monitor in real time, Cutting Force Signal decay serious.Compared to existing
There is the beneficial effect that technology is realized：
1. directly be integrated on handle of a knife force snesor by the present invention, breaches to workpiece size, installs the limitation such as constraint, realizes
To the real-time monitoring of cutting force, the system has sensitivity high, simple structure and easy installation and removal, easy to maintain etc. excellent
Point.
2. the present invention realizes being wirelessly transferred for electric energy using the humorous resonance principle of electromagnetic coupled, for electricity consumption module provides non-connecing
Touch, continuous energy is supplied, overcome the shortcomings of contact electric energy transmission carbon brush abrasion is fast, caloric value is big, cutter rotating speed is too low,
And compared to induction type wireless power transmission, the energy of the humorous resonance wireless power transmission of electromagnetic coupled is only capable of being transferred to identical
The receiving coil of resonant frequency, energy loss is small, is capable of achieving more high-transmission efficiency and longer transmission range, while to coil position
The limitation put is relatively less, is advantageously implemented equipment and simplifies and more free device layout, is easy to engineer applied.
3. the transmission of signal is realized using WiFi wireless signal transmission techniques, so that signal receiving end is without reusing
Data wire receives signal, breaches the limitation of sensor mounting means.
Brief description of the drawings
Fig. 1 is the overall structure principle schematic of the servo-actuated integrated form cutting force intelligent monitor system of the present invention.
Fig. 2 is the structural representation of the servo-actuated module of handle of a knife in the present invention.
Fig. 3 is the mounting structure schematic diagram of force snesor in the present invention.
Fig. 4 is the structural representation of assembly in the present invention.
Fig. 5 and Fig. 6 are the scheme of installations of photoelectric encoder module in the present invention.
Fig. 7 is the structural representation of wireless power receiver module in the present invention.
Fig. 8 is the structural representation of wireless power transmitter module in the present invention.
In figure：1. handle of a knife is servo-actuated module, 2. wireless power transmitter module, 3. cable, 4. power supply, 5. machine tool chief axis, 6. counts
According to receiver module, 7. handle of a knife, 8. cutter connector, 9. handle of a knife follower, 10. assembly, 11. wireless powers receive mould
Block, 12. force snesors, 13. pretension bolts, 14. wireless power receiving circuits, 15. preposition conditioning modules, 16. module carriers,
17. data acquisition modules, 18. wireless communication modules, 19. gimbals, 20. grating reading heads, 21. circular grating chis, 22. first iron
Oxysome piece, 23. receiving coils, 24. first retainers, 25. first repeating coils, 26. shroudings, 27. second ferrite sheets, 28.
Second repeating coil, 29. wireless power radiating circuits, 30. second retainers, 31. transmitting coils, 32. shells.
Specific embodiment
The servo-actuated integrated form cutting force intelligent monitor system of the application, as depicted in figs. 1 and 2, including the servo-actuated module of handle of a knife
1st, wireless power transmitter module 2 and data reception module 6.Wireless power transmitter module 2 is connected by cable 3 with power supply 4, wirelessly
Power supply transmitter module 2 and data reception module 6 are wirelessly connected with the servo-actuated module 1 of handle of a knife respectively.When using, handle of a knife is servo-actuated
Module 1 is arranged on machine tool chief axis 5.
As shown in Fig. 2 the servo-actuated module 1 of handle of a knife includes handle of a knife 7, cutter connector 8, handle of a knife follower 9, assembly 10
With wireless power receiver module 11, wireless power receiver module 11 is installed in the bottom of assembly 10, assembly 10
In handle of a knife follower 9, handle of a knife follower 9 and cutter connector 8 are both connected to the lower end of handle of a knife 7,9 sets of handle of a knife follower
Mounted in the outside of cutter connector 8.
As shown in figure 3, force snesor 12 is the main body for gathering Cutting Force Signal, using three axle piezoelectric force transducers, to adopt
Three Cutting Force Signals in direction in collection working angles, its small volume is desirably integrated into handle of a knife endoporus.Force snesor 12 passes through
Pretension bolt 13 is fixed on the bottom of handle of a knife 7.The measurement request of cutting force is met in order to ensure the test scope of force snesor 12,
Pretightning force is 70kN, and the end face of pretension bolt 13 is machined with inner hexagonal hole, convenient to install, and force snesor 12 is arranged on into handle of a knife 7
On axis, to avoid influence of the centrifugal force that rotation is produced at a high speed of handle of a knife 7 to horizontal direction Cutting Force Signal.The bottom of handle of a knife 7
Cutter connector 8 is provided with, force snesor 12 is wrapped in cutter connector 8.
As shown in figure 4, preposition conditioning module 15, data acquisition module 17, wireless communication module 18 and wireless power are received
Circuit 14 is arranged on module carrier 16 by screw respectively, constitutes assembly 10 (referring to Fig. 2).Preposition conditioning module
15th, data acquisition module 17 and wireless communication module 18 are connected in turn, and are connected with wireless power receiving circuit 14.
Module carrier 16 is together arranged on the lower surface of handle of a knife 7 by screw with handle of a knife follower 9.It is right that preposition conditioning module 15 is used for
The cutting force analog signal of the output of force snesor 12 is filtered and amplifies, using existing custom circuit.Data acquisition module 17
For receiving from the cutting force mode signals after the treatment of preposition modulate circuit plate 15, then carry out A/D and change and store, and connect
Receive the angle signal from photoelectric encoder module.Wireless communication module 18 uses wi fi transmission technologys, by cutting force and angle
Data signal transferred out by WiFi, then received by data reception module 6.Wireless power receiving circuit 14 is wireless confession
The rectifying and pressure-regulating module of electric receiver module 11, using existing common circuit, effect is that high-frequency alternating current is converted into stabilization
5V direct currents, it mainly includes rectification, filtering and mu balanced circuit, the height for receiving receiving coil 23 using full bridge rectifier
Frequency AC conversion is pulse direct current, uses RC- π types filter circuits to ensure more stable direct voltage output, then
Cause output voltage stabilization in 5V or so through ZM4751 type voltage-regulator diodes.Wireless power receiving circuit 14 respectively by wire with
Preposition conditioning module 15, data acquisition module 17, wireless communication module 18 are connected, for each module provides direct current.
Data acquisition module 6 uses the Cortex-M4 to carry out data acquisition for the STM32 single-chip microcomputers of kernel, by what is collected
Simulation cutting force signal is converted to data signal by the A/D converter that STM32 chips are embedded, then by Cutting Force Signal and angle
Degree signal is through the incoming wireless communication module 18 of spi bus.
It is core that wireless communication module 18 uses EL-M150 chips, the WLAN association based on IEEE802.11 standards
Discuss into row data communication, after Cutting Force Signal and angle signal is received, set up WiFi communication link, transfer data to number
According to receiver module (host computer), integration treatment then is carried out to data by data reception module 6.
As shown in Figure 5 and Figure 6, photoelectric encoder module of the invention uses Reni shaw Grating Reader Systems, by grating
Read head 20 is arranged on handle of a knife follower 9 by screw, while circular grating chi 21 to be fixed on the lower surface of machine tool chief axis 5
On.When cutter rotates, grating reading head 20 follows one piece of rotation of cutter, by reading the scale on annular grating scale 21, output
Digital angle signal.In order to ensure the dynamic balance property of handle of a knife follower 9, pacified by screw in the upper surface of handle of a knife follower 9
Dress gimbal 19, the weighting of removal handle of a knife is operated to carry out drilling etc. thereon when handle of a knife dynamic balancing measurement is done, and it is right to realize
The adjustment of handle of a knife amount of unbalance.
Electromagnetic coupled resonance electric energy transmission means is used in the present invention, is all modules and power in the servo-actuated module 1 of handle of a knife
Sensor 12 is powered.Including wireless power transmitter module 2, wireless power receiver module 11 and power supply 4.Wireless power receiver module
11 are connected (referring to Fig. 1) by cable 3 with power supply 4.
As shown in fig. 7, wireless power receiver module 11 includes the first ferrite sheet 22, receiving coil 23, the first retainer
24th, the first repeating coil 25 and shrouding 26.The repeating coil 25 of receiving coil 23 and first is installed on the first retainer 24 respectively
Upper and lower surface, is designed with arc-shaped slot and is respectively used to the relaying of fixed reception coil 23 and first on the tow sides of the first retainer 24
Coil 25.The end face and the first ferrite sheet 22 and shrouding 26 of the positive and negative draw-in groove of the first retainer 24 are fixed on one by glue
Rise, then shrouding 26 is threadingly attached in handle of a knife follower 9.First ferrite sheet 22 can shield handle of a knife 7 and lathe
Interference of the part metals barrier of main shaft 5 to wireless power receiver module 11, enhancing wireless induction signal is so as to reduce magnetic field energy
The loss of amount.
As shown in figure 8, wireless power transmitter module 2 includes the second ferrite sheet 27, the second repeating coil 28, wireless power
Radiating circuit 29, the second retainer 30, transmitting coil 31 and shell 32.It is second ferrite sheet 27, the second repeating coil 28, wireless
Power supply radiating circuit 29, the second retainer 30 and transmitting coil 31 are from top to bottom successively set in shell 32.Second junction line
Circle 28 and radiating circuit 29 are arranged on above the second retainer 30, and radiating circuit 29 is in the second repeating coil 28 and second and protects
Hold between frame 30, transmitting coil 31 is arranged at the bottom surface of the second retainer 30.It is designed with the tow sides of the second retainer 30
Arc-shaped slot is respectively used to the repeating coil 28 of fixed transmission coil 31 and second.Second ferrite sheet 27 is bonded on shell 32.
Wireless power radiating circuit 29 is high-frequency inverter circuit, and it passes through cable 3 and is connected with power supply 4, and and transmitting coil
23 are connected by wire, and the present invention uses E class inverter circuits, and its effect is the DC conversion that will be input into high-frequency exchange
Electricity.
Transmitting coil 31, the second repeating coil 28, receiving coil 23, the first repeating coil 25 are by 3~5 layers of coils from parallel connection of coils
Coiling and often layer line circle are plane dish-type gradually opening structure, and this structure can increase the amplitude of space magnetic field intensity and reduction etc.
Imitate the value of inductance.
After adjusting parameter needed for power supply 4, by cable 3 by DC power transmission to radiating circuit 29, radiating circuit and hair
Ray circle 31 is connected, and the high-frequency alternating current after high-frequency inversion is changed into high frequency magnetic energy by transmitting coil 31, by transmitting coil
31st, the humorous resonance of mutual electromagnetic coupling between the second repeating coil 28, receiving coil 23 and first repeating coil, 25 4 resonating body
The transmission of electric energy is carried out, high frequency magnetic field is converted into high-frequency alternating current by receiving coil 23, and wireless power receiving circuit 14 will be received
To high-frequency alternating current be converted into stabilization electric energy be supplied to all electricity consumption modules.
In working angles, force snesor 12 detects the Cutting Force Signal of cutter, original Cutting Force Signal warp in real time
After preposition conditioning module 15 is filtered and amplified, A/D conversions and storage are received by data acquisition module 17 and carried out.Data acquisition module
Block 17 receives the cutter rotary angle signal of photoelectric encoder module collection simultaneously, then leads to Cutting Force Signal and angle signal
Cross wireless communication module 18 to send, received by data reception module 6, processed and shown in real time.
Claims (8)
1. a kind of servo-actuated integrated form cutting force intelligent monitor system, including handle of a knife is servo-actuated module, wireless power transmitter module sum
According to receiver module；It is characterized in that：The servo-actuated module of the handle of a knife includes handle of a knife, cutter connector and handle of a knife follower, and handle of a knife is servo-actuated
Body and cutter connector are both connected to the lower end of handle of a knife, and handle of a knife follower is sleeved on the outside of cutter connector, and handle of a knife bottom sets
Force snesor is equipped with, preposition conditioning module, data acquisition module, wireless communication module and wireless confession are provided with handle of a knife follower
Electric receiver module, force snesor, preposition conditioning module, data acquisition module and wireless communication module be sequentially connected and with wirelessly
Power supply receiver module connection, is additionally provided with photoelectric encoder module on handle of a knife follower；Wireless power transmitter module and wireless confession
Electric receiver module wireless connection, data reception module and wireless communication module wireless connection.
2. servo-actuated integrated form cutting force intelligent monitor system according to claim 1, it is characterized in that：The force snesor leads to
Cross on the bottom that pretension bolt is fixed on handle of a knife, and the axis in handle of a knife.
3. servo-actuated integrated form cutting force intelligent monitor system according to claim 1, it is characterized in that：The preposition conditioning mould
Block, data acquisition module and wireless communication module are installed on module carrier.
4. servo-actuated integrated form cutting force intelligent monitor system according to claim 1, it is characterized in that：The photoelectric encoder
Module includes grating reading head and the circular grating chi for being fixed on machine tool chief axis lower end on the handle of a knife follower.
5. servo-actuated integrated form cutting force intelligent monitor system according to claim 1, it is characterized in that：The handle of a knife follower
Upper surface gimbal is installed.
6. servo-actuated integrated form cutting force intelligent monitor system according to claim 1, it is characterized in that：The wireless power connects
Receiving module includes wireless power receiving circuit, the first ferrite sheet, receiving coil, the first retainer, the first repeating coil and envelope
Plate, receiving coil and the first repeating coil are installed on the upper and lower surface of the first retainer, the first retainer and the first iron oxygen respectively
Body piece and shrouding are fixed together, and wireless power receiving circuit is connected with receiving coil.
7. servo-actuated integrated form cutting force intelligent monitor system according to claim 1, it is characterized in that：The wireless power hair
Penetrating module includes wireless power radiating circuit, the second ferrite sheet, the second repeating coil, the second retainer, transmitting coil and outer
Shell, the second ferrite sheet, the second repeating coil, wireless power radiating circuit, the second retainer and transmitting coil from top to bottom according to
Secondary to be arranged in shell, wireless power radiating circuit is connected with transmitting coil.
8. the servo-actuated integrated form cutting force intelligent monitor system according to claim 6 or 7, it is characterized in that：The emission lines
Circle, the second repeating coil, receiving coil and the first repeating coil are flat by 3~5 layers of coils from parallel connection of coils coiling and per layer line circle
Face type gradually opening structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611230695.8A CN106736858A (en) | 2016-12-28 | 2016-12-28 | A kind of servo-actuated integrated form cutting force intelligent monitor system |
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| CN201611230695.8A CN106736858A (en) | 2016-12-28 | 2016-12-28 | A kind of servo-actuated integrated form cutting force intelligent monitor system |
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| CN106736858A true CN106736858A (en) | 2017-05-31 |
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| CN201611230695.8A Pending CN106736858A (en) | 2016-12-28 | 2016-12-28 | A kind of servo-actuated integrated form cutting force intelligent monitor system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498389A (en) * | 2017-07-31 | 2017-12-22 | 成都飞机工业（集团）有限责任公司 | A kind of positioning accuracy detection device of Digit Control Machine Tool rotary shaft |
| CN108856765A (en) * | 2018-09-29 | 2018-11-23 | 广州汇专工具有限公司 | Ultrasonic wave knife handle component and the method for measuring the knife handle component center of gravity |
| CN108856763A (en) * | 2018-09-29 | 2018-11-23 | 广州汇专工具有限公司 | Ultrasonic wave knife handle |
| TWI651152B (en) * | 2017-12-08 | 2019-02-21 | 高聖精密機電股份有限公司 | Smart knife handle |
| CN113369995A (en) * | 2021-07-05 | 2021-09-10 | 浙江师范大学 | Cutting force measuring device |
| CN114378641A (en) * | 2022-03-25 | 2022-04-22 | 西南交通大学 | Four-component cutting force online monitoring intelligent knife handle |
| CN114749994A (en) * | 2022-02-23 | 2022-07-15 | 重庆大学 | Multi-sensor fusion intelligent tool handle monitoring device for measuring cutting force, vibration and cutting temperature in real time |
| TWI783691B (en) * | 2021-09-17 | 2022-11-11 | 國立虎尾科技大學 | Tool condition monitoring system and method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498389A (en) * | 2017-07-31 | 2017-12-22 | 成都飞机工业（集团）有限责任公司 | A kind of positioning accuracy detection device of Digit Control Machine Tool rotary shaft |
| TWI651152B (en) * | 2017-12-08 | 2019-02-21 | 高聖精密機電股份有限公司 | Smart knife handle |
| CN108856765A (en) * | 2018-09-29 | 2018-11-23 | 广州汇专工具有限公司 | Ultrasonic wave knife handle component and the method for measuring the knife handle component center of gravity |
| CN108856763A (en) * | 2018-09-29 | 2018-11-23 | 广州汇专工具有限公司 | Ultrasonic wave knife handle |
| CN113369995A (en) * | 2021-07-05 | 2021-09-10 | 浙江师范大学 | Cutting force measuring device |
| TWI783691B (en) * | 2021-09-17 | 2022-11-11 | 國立虎尾科技大學 | Tool condition monitoring system and method thereof |
| CN114749994A (en) * | 2022-02-23 | 2022-07-15 | 重庆大学 | Multi-sensor fusion intelligent tool handle monitoring device for measuring cutting force, vibration and cutting temperature in real time |
| CN114749994B (en) * | 2022-02-23 | 2024-01-30 | 重庆大学 | Multi-sensor fusion intelligent cutter handle monitoring device for measuring cutting force, vibration and cutting temperature in real time |
| CN114378641A (en) * | 2022-03-25 | 2022-04-22 | 西南交通大学 | Four-component cutting force online monitoring intelligent knife handle |
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