CN205904781U - Digit control machine tool cutter measurement system - Google Patents
Digit control machine tool cutter measurement system Download PDFInfo
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- CN205904781U CN205904781U CN201620761979.9U CN201620761979U CN205904781U CN 205904781 U CN205904781 U CN 205904781U CN 201620761979 U CN201620761979 U CN 201620761979U CN 205904781 U CN205904781 U CN 205904781U
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- 238000005259 measurement Methods 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims description 29
- 238000007689 inspection Methods 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 19
- 230000011664 signaling Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 6
- 201000007227 lymph node tuberculosis Diseases 0.000 claims description 3
- 238000003801 milling Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
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- 238000010586 diagram Methods 0.000 description 5
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- 210000001367 artery Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- Machine Tool Sensing Apparatuses (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model belongs to the field of the cutter detection technique and discloses a digit control machine tool cutter measurement system, this system includes: a pulse count for detecting cutter location State's sword examine the sensor, along with the displacement of digit control machine tool platform produce the pulse position detecting device and based on the sword detection and control system card of FPGA platform design, sword detection and control system card includes the main control unit, the signal that sensor and position detecting device were examined to the sword is received to the main control unit, examines sensor signal to position detecting device according to the sword to obtain digit control machine tool platform displacement volume and the cutter parameter that awaits measuring according to this count volume. The utility model discloses through the optimization processing of sword detection and control system card, can realize cutter diameter and measurement of lengths such as milling cutter, drill bit on the digit control machine tool, its is fast, the precision is high, the commonality is strong, has higher price / performance ratio.
Description
Technical field
This utility model belongs to the technical field of Tool monitoring, more particularly, to a kind of cutting tool for CNC machine measuring system.
Background technology
Tool diameter detection has important application in machining, circuit board industry, and tool diameter affects product matter
Amount and the level of automatization, but Tool monitoring is higher to system requirements.
A kind of is that card module examined by the knife adopting dedicated control system on the basis of existing equipment, and such as s＆m system, in it
Portion typically adopts high speed io system, and the method versatility is not high, can only be directed to particular system, and price comparison is expensive.
Another kind is the inside plc module using motion control card, writes knife inspection motor program, but motion control card is deposited
Long in the scan period, the problems such as certainty of measurement is high.
Therefore, it is necessary to a kind of new general cutting tool for CNC machine measuring system of design.
Utility model content
The purpose of this utility model is to provide a kind of common diameter of the cutters such as milling cutter, drill bit to measure, it is higher to have
The cutting tool for CNC machine measuring system of cost performance.
This utility model provides a kind of cutting tool for CNC machine measuring system it is characterised in that this system includes: for detecting
The knife of tool position state is examined sensor, is produced the position detecting device of pulse with Digit Control Machine Tool platform displacement and be based on
The knife prosecution fabrication of fpga Platform Designing, described knife prosecution fabrication includes main control unit, and described main control unit receives knife inspection sensing
Device and the signal of position detecting device, examine the step-by-step counting to position detecting device for the sensor signal according to knife, and according to this meter
Quantity obtains Digit Control Machine Tool platform displacement amount and cutter parameter to be measured.
Further, described position detecting device includes being arranged at the x-axis grating scale of Digit Control Machine Tool platform x-axis, described master
When control unit moves according to Digit Control Machine Tool platform x-axis, knife is examined in the interval of sensor detected tool position state-change,
The pulsimeter quantity of x-axis grating scale, obtains Digit Control Machine Tool platform x-axis displacement and tool diameter.
Further, described position detecting device also includes being arranged at the z-axis grating scale of Digit Control Machine Tool platform z-axis, described
When main control unit moves according to Digit Control Machine Tool platform z-axis, knife examines sensor detected tool position state-change and numerical control
Platform of machine tool z-axis reaches in the interval setting coordinate, and the pulsimeter quantity of z-axis grating scale obtains Digit Control Machine Tool platform z-axis displacement
Amount and tool length.
Further, described knife prosecution fabrication also includes position signalling process circuit, and described position signalling process circuit sets
It is placed between position detecting device and main control unit, the signal of its receiving position detection means, it is filtered, perforated scrofula of neck detects
And after denoising, transmit it to main control unit.
Further, described position signalling process circuit includes wave filter, and described wave filter is fir wave filter.
Further, whether described position signalling process circuit includes each for test position detection means is mutually difference letter
Number, each axle of Digit Control Machine Tool whether be the leakage phase detecting circuit of differential signal.
Further, described position signalling process circuit is included at the x-axis grating scale signal that is connected with x-axis grating scale respectively
Reason circuit and the z-axis grating scale signal processing circuit being connected with z-axis grating scale.
Further, described knife prosecution fabrication also includes knife footpath signal processing circuit, and described knife footpath signal processing circuit sets
It is placed between knife inspection sensor and main control unit, it receives knife inspection sensor signal, and capture is corresponding to the arteries and veins of cutter actual diameter
Rush signal and transmit it to main control unit.
Further, the multichannel that sensor includes being respectively arranged on the multiple processing head of Digit Control Machine Tool examined by described knife, described
Knife footpath signal processing circuit includes multiple with what multichannel knife inspection sensor was connected respectively.
Further, this system also includes the host computer for sending knife inspection instruction and display cutting tools measurement result, described
Knife prosecution fabrication also includes being connected with host computer and main control unit respectively, realizes the serial communication module of both communications.
This utility model through the optimization processing of knife prosecution fabrication, enables the cutters such as milling cutter on Digit Control Machine Tool, drill bit
Diameter and measurement of length；Knife prosecution fabrication is based on fpga Platform Designing, due to fpga have in field of signal processing stronger
Advantage, speed is fast, high precision, highly versatile, and therefore, it is straight that this cutting tool for CNC machine measuring system can preferably optimize cutter
Footpath and measurement of length precision, and there is higher cost performance.
Brief description
Fig. 1 is the schematic diagram of this utility model cutting tool for CNC machine measuring system；
Fig. 2 is the schematic diagram of the noise processing circuit of cutting tool for CNC machine measuring system shown in Fig. 1；
Fig. 3 is the schematic diagram of the knife footpath signal processing circuit of cutting tool for CNC machine measuring system shown in Fig. 1.
Figure number illustrates:
100- knife prosecution fabrication, 101- knife footpath signal processing circuit, 103-x axle grating scale signal processing circuit,
104-z axle grating scale signal processing circuit, 105- serial communication module, 106- main control unit,
10- knife inspection sensor, 20- host computer, 30-x axle grating scale, 31-z axle grating scale.
Specific embodiment
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Cutting tool for CNC machine measuring system of the present utility model, is based on fpga (field-programmable gate
Array, programmable hardware logic circuit) hardware circuit universal numerical control machine tool measuring system, this cutter refers to numerical control
The cutters such as the milling cutter on lathe, drill bit.
Refer to Fig. 1, this cutting tool for CNC machine measuring system is used for tool diameter or length or simultaneously to tool diameter
And length measures, comprising: knife inspection sensor 10, position detecting device and knife prosecution fabrication 100.Knife inspection sensor 10 wraps
Include multichannel, the location status being respectively used to multiple cutters on many heads to Digit Control Machine Tool detect；Position detecting device is with number
Control platform of machine tool displacement produces pulse；Knife prosecution fabrication 100 receives the signal that knife examines sensor 10 and position detecting device, according to
The signal detected by sensor 10 examined by knife, and the pulse to position detecting device counts, and obtains number according to this count number
Control platform of machine tool displacement, and then obtain the amount of the parameters to be measured such as tool diameter, length.The system is also included for knife prosecution
Fabrication 100 sends the host computer 20 of knife inspection instruction and display cutting tools measurement result, and host computer 20 is computer.
Wherein, knife prosecution fabrication 100 is based on fpga Platform Designing, because fpga is as programmable hardware logic electricity
, there is stronger advantage on road in field of signal processing, and speed is fast, high precision, highly versatile, and therefore, this cutting tool for CNC machine measures
The knife prosecution fabrication 100 of system can preferably optimize tool diameter and measurement of length precision.
Knife prosecution fabrication 100 specifically includes: knife footpath signal processing circuit 101, position signalling process circuit, main control unit
106 and serial communication module 105.Knife footpath signal processing circuit 101 includes multiple, respectively with multichannel knife inspection sensor 10 even
Connect, receive the signal that sensor 10 examined by knife, after it is detected by the pulse signal transmission corresponding to cutter actual diameter extremely
Main control unit 106；Position signalling process circuit is connected with position detecting device, the signal of receiving position detection means, and it is entered
Main control unit 106 is transmitted it to after row filtering, perforated scrofula of neck detection and denoising；The knife that main control unit 106 is received according to it
Inspection sensor signal, carries out step-by-step counting to the signal of position detecting device, thus obtaining Digit Control Machine Tool platform displacement amount and knife
Tool diameter, tool length, this main control unit 106 is the processor with calculation processing power；Serial communication module 105 is arranged at
Between main control unit 106 and host computer 20, for realizing both communications.
Below by the specific descriptions of above-mentioned each part, the work to this utility model cutting tool for CNC machine measuring system is former
Reason is explained.
The electro spindle of high-speed rotation is provided with Digit Control Machine Tool platform z-axis, main shaft clamps cutter, moves with z-axis；Knife inspection passes
Sensor 10 is arranged on x-axis workbench, moves with Digit Control Machine Tool platform x-axis, it is formed to the laser tube penetrated by a pair, can be by
It is logic level signal that cutter has unscreened condition conversion to laser.
The laser that sensor 10 examined by knife, when tool diameter is measured, Digit Control Machine Tool is not blocked under cutter original state
Platform z-axis is motionless, and x-axis band moving knife inspection sensor 10 is mobile, when mobile to cutter, laser is formed block when, sensor 10 examined by knife
There is saltus step in output level, until continuing to move to no longer block laser, knife inspection sensor 10 output level occurs saltus step again,
Between level saltus step twice, the distance of Digit Control Machine Tool platform x-axis movement is tool diameter.Cutter is different, then level saltus step twice
Interval time is different, and the period distance of Digit Control Machine Tool platform x-axis movement is also different.
When tool length is measured, Digit Control Machine Tool platform x-axis is motionless, and z-axis band cutter moves, when mobile to cutter
When laser formation is blocked, there is saltus step in knife inspection sensor 10 output level.It is moved to the z-axis setting by this saltus step to cutter
During coordinate, the distance of cutter movement is knife length that is to say, that this intersegmental distance every interior Digit Control Machine Tool platform z-axis movement is knife
Long.Cutter is different, then the start position difference of level saltus step occurs, and level saltus step reaches between the coordinate of setting to platform z-axis
Every difference, the period distance of Digit Control Machine Tool platform z-axis movement is also different.
Because cutter is provided with chip area, when tool diameter is measured, chip area may affect knife inspection sensor
10 detection signal, result causes the error of tool diameter measurement.In order to exclude the impact of cutter chip area, cutting tools measurement be by
The main shaft of Digit Control Machine Tool, with carry out in cutter rotary course, its objective is for cutter to form an approximate cylinder, more can
Reflect actual tool diameter.
Affected by cutter chip area, cutter often rotates a circle, light is interrupted release, two circulations of blocking release,
Form the square wave in two cycles.Knife footpath signal processing circuit 101 receives the logic level signal that sensor 10 examined by knife, and to this letter
Number detected, to identify the square wave and the pulse signal corresponding to cutter actual diameter wherein being caused by chip area.
When the principle of knife footpath signal processing circuit 101 is to find Digit Control Machine Tool platform x-axis to move, sensor 10 is examined by knife and examines
The first time level saltus step measuring and last level saltus step, can be on first trailing edge pulse signal and last
Rise along pulse signal, or first rising edge pulse signal and last trailing edge pulse signal.It adopts slip monitoring
Method, due to the frequency of noise square wave be tool diameter measure rotating speed one times or twice, therefore, until detecting continuous three
In the case that individual square-wave cycle is noise frequency, knife footpath signal processing circuit 101 choose first time level saltus step and last
Secondary level saltus step, as the signal corresponding to cutter actual diameter, carries out step-by-step counting to position detecting device signal and touches
Signal input to main control unit 106.
Fig. 3 is the schematic diagram of knife footpath signal processing circuit 101, and the c shown in figure is first trailing edge pulse signal, d
For last rising edge pulse signal, c and d is capture point.I.e. this knife footpath signal processing circuit 101 capture knife inspection sensor
First trailing edge pulse signal of 10 output signals and last rising edge pulse signal, and transmit it to main control unit
106.
Position detecting device can be grating scale or encoder, and position signalling process circuit can be grating scale signal processing
Circuit or encoder signal processing circuit.Because optical grating ruler measurement precision is higher, the present embodiment selects grating scale to be used for numerical control
The platform displacement of lathe carries out step-by-step counting.The position detecting device of the present embodiment includes being respectively arranged at Digit Control Machine Tool x-axis and z
The x-axis grating scale 30 of axle and z-axis grating scale 31；Position signalling process circuit include respectively with x-axis grating scale 30 and z-axis grating scale
The x-axis grating scale signal processing circuit 103 of 31 connections and z-axis grating scale signal processing circuit 104.
Position signalling process circuit includes: wave filter, leakage phase detecting circuit and noise processing circuit.
The present embodiment used fir wave filter, it will currently be calculated data and be rung with finite impulse with n-bit data below
Answer multiplication to add up, as the current value calculating data, have that frequency characteristic error is little, fast operation, easily design etc.
Advantage.
Leakage phase detecting circuit is used for whether test position detection means passage a and passage b is biphase leakage phase, sense channel a
Whether the signal with passage b is differential signal, and whether each axle of Digit Control Machine Tool is differential signal, if ineligible,
Error identification is provided by position signalling process circuit 103.
Noise processing circuit schematic diagram is as shown in Fig. 2 it is according to the phase sequence of position detecting device, and count pulse order is sentenced
Breaking and whether there is clutter, once there being clutter to produce, on hardware circuit, this clutter being removed.
The detailed process of this utility model cutting tools measurement is as follows:
Host computer 20 sends knife inspection instruction to main control unit 106, simultaneously by connected moving control module for controlling
The inspection instruction of Digit Control Machine Tool each cutter this knife of action response.
Each cutter action, multichannel knife examine sensor 10 detect respectively multiple cutters location status, through knife footpath signal at
Reason circuit 101 is detected to be sent to main control unit 106 with the pulse signal corresponding to cutter actual diameter.
The pulse signal that main control unit 106 examines sensor to each road knife received by it is respectively processed, and it will be each
The threshold as measurement corresponding cutters diameter and knife length for the pulse signal of sensor 10 examined by road knife.
For the measurement of tool diameter, when main control unit 106 receives first pulse signal, start to x-axis grating
The pulse of chi 30 is counted, and when it receives second pulse signal, stops its pulse being counted, according to two pulses
The step-by-step counting of x-axis grating scale 30 between sigtnal interval, you can calculate this interim Digit Control Machine Tool platform x-axis movement away from
From.
For the measurement of knife length, when main control unit 106 receives first pulse signal, start to z-axis grating scale 31
Pulse counted, when Digit Control Machine Tool platform z-axis be moved to set coordinate when, stop it being counted, according to upper
State pulse signal and Digit Control Machine Tool platform z-axis reaches it and sets between the interval of coordinate, the step-by-step counting of z-axis grating scale 31, that is,
The distance of this interim Digit Control Machine Tool platform z-axis movement can be calculated.
According to above-mentioned distance and from host computer read cutter parameters, compensated information, you can calculate tool diameter and
Length.
It is completed, host computer 20 calls the testing result of main control unit 106 by intrinsic function and shown.Wait
Test next time.
This utility model through the optimization processing of knife prosecution fabrication, enables the cutters such as milling cutter on Digit Control Machine Tool, drill bit
Common diameter measurement；The knife footpath signal processing circuit of this cutting tool for CNC machine measuring system can preferably optimize the straight of cutter
Footpath the measuring precision, and there is higher cost performance.
In the above-described embodiments, only exemplary description has been carried out to this utility model, but those skilled in the art are not
In the case of departing from the scope and spirit that this utility model is protected, various embodiment party can be designed according to different being actually needed
Formula.
Preferred implementation of the present utility model described in detail above, but this utility model is not limited to above-mentioned enforcement
Detail in mode, in range of the technology design of the present utility model, can be carried out to the technical solution of the utility model
Multiple equivalents, these equivalents belong to protection domain of the present utility model.
Claims (10)
1. a kind of cutting tool for CNC machine measuring system is it is characterised in that this system includes: for detecting the knife of tool position state
Inspection sensor, the position detecting device with the generation pulse of Digit Control Machine Tool platform displacement and the knife inspection based on fpga Platform Designing
Control card, described knife prosecution fabrication includes main control unit, and described main control unit receives knife and examines sensor and position detecting device
Signal, examines the step-by-step counting to position detecting device for the sensor signal according to knife, and it is flat to obtain Digit Control Machine Tool according to this count number
Platform displacement and cutter parameter to be measured.
2. cutting tool for CNC machine measuring system according to claim 1 it is characterised in that: described position detecting device includes
It is arranged at the x-axis grating scale of Digit Control Machine Tool platform x-axis, when described main control unit moves according to Digit Control Machine Tool platform x-axis, knife inspection passes
In the interval of sensor detected tool position state-change, the pulsimeter quantity of x-axis grating scale, obtain Digit Control Machine Tool platform
X-axis displacement and tool diameter.
3. cutting tool for CNC machine measuring system according to claim 2 it is characterised in that: described position detecting device also wraps
Include the z-axis grating scale being arranged at Digit Control Machine Tool platform z-axis, when described main control unit moves according to Digit Control Machine Tool platform z-axis, knife is examined
Sensor detected tool position state-change and Digit Control Machine Tool platform z-axis reach in the interval setting coordinate, z-axis grating
The pulsimeter quantity of chi, obtains Digit Control Machine Tool platform z-axis displacement and tool length.
4. cutting tool for CNC machine measuring system according to claim 3 it is characterised in that: described knife prosecution fabrication also includes
Position signalling process circuit, described position signalling process circuit is arranged between position detecting device and main control unit, its reception
The signal of position detecting device, it is filtered, perforated scrofula of neck detection and denoising after transmit it to main control unit.
5. cutting tool for CNC machine measuring system according to claim 4 it is characterised in that: described position signalling process circuit
Including wave filter, described wave filter is fir wave filter.
6. cutting tool for CNC machine measuring system according to claim 4 it is characterised in that: described position signalling process circuit
Including each for test position detection means be whether mutually whether differential signal, each axle of Digit Control Machine Tool are the leakage phase of differential signal
Testing circuit.
7. according to the arbitrary described cutting tool for CNC machine measuring system of claim 4-6 it is characterised in that: at described position signalling
Reason circuit includes the x-axis grating scale signal processing circuit being connected respectively and the z-axis light being connected with z-axis grating scale with x-axis grating scale
Grid chi signal processing circuit.
8. according to the arbitrary described cutting tool for CNC machine measuring system of claim 1-4 it is characterised in that: described knife prosecution fabrication
Also include knife footpath signal processing circuit, described knife footpath signal processing circuit is arranged between knife inspection sensor and main control unit, its
Receive knife inspection sensor signal, capture the pulse signal corresponding to cutter actual diameter and transmit it to main control unit.
9. cutting tool for CNC machine measuring system according to claim 8 it is characterised in that: described knife inspection sensor includes point
It is not arranged at the multichannel on the multiple processing head of Digit Control Machine Tool, described knife footpath signal processing circuit includes examining sensing with multichannel knife respectively
It is multiple that device connects.
10. according to the arbitrary described cutting tool for CNC machine measuring system of claim 1-3 it is characterised in that: this system also includes
For send knife inspection instruction and display cutting tools measurement result host computer, described knife prosecution fabrication also include respectively with host computer and
Main control unit connects, and realizes the serial communication module of both communications.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620761979.9U CN205904781U (en) | 2016-07-18 | 2016-07-18 | Digit control machine tool cutter measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620761979.9U CN205904781U (en) | 2016-07-18 | 2016-07-18 | Digit control machine tool cutter measurement system |
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| CN205904781U true CN205904781U (en) | 2017-01-25 |
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| CN201620761979.9U Ceased CN205904781U (en) | 2016-07-18 | 2016-07-18 | Digit control machine tool cutter measurement system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735637A (en) * | 2017-04-01 | 2017-05-31 | 广东商鼎智能设备有限公司 | Signal processing apparatus and spark machine control system |
| CN109015919A (en) * | 2018-08-14 | 2018-12-18 | 江苏国全自动化科技有限公司 | A kind of control method and device of abnormal shape archwire molding machine |
| CN112361975A (en) * | 2020-10-28 | 2021-02-12 | 浙江中茂科技有限公司 | Method for detecting diameter of miniature milling cutter of PCB (printed circuit board) |
| CN115060179A (en) * | 2022-03-31 | 2022-09-16 | 苏州维嘉科技股份有限公司 | Tool diameter detection system and method, machining equipment and computer storage medium |
-
2016
- 2016-07-18 CN CN201620761979.9U patent/CN205904781U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735637A (en) * | 2017-04-01 | 2017-05-31 | 广东商鼎智能设备有限公司 | Signal processing apparatus and spark machine control system |
| CN109015919A (en) * | 2018-08-14 | 2018-12-18 | 江苏国全自动化科技有限公司 | A kind of control method and device of abnormal shape archwire molding machine |
| CN112361975A (en) * | 2020-10-28 | 2021-02-12 | 浙江中茂科技有限公司 | Method for detecting diameter of miniature milling cutter of PCB (printed circuit board) |
| CN115060179A (en) * | 2022-03-31 | 2022-09-16 | 苏州维嘉科技股份有限公司 | Tool diameter detection system and method, machining equipment and computer storage medium |
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Effective date of registration: 20200713 Address after: 518000 workshop 5 / F, 1 / 2 / F, 14 / F, 17 / F, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 518000 No. 9988 Shennan Avenue, Shenzhen, Guangdong, Nanshan District Co-patentee before: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |
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Address after: 518000 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's CNC Technology Co.,Ltd. Address before: 518000 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. |
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Decision date of declaring invalidation: 20231013 Decision number of declaring invalidation: 563925 Granted publication date: 20170125 |
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