CN106863000A - A kind of online detection and control system of deep hole drill temperature - Google Patents
A kind of online detection and control system of deep hole drill temperature Download PDFInfo
- Publication number
- CN106863000A CN106863000A CN201510914862.XA CN201510914862A CN106863000A CN 106863000 A CN106863000 A CN 106863000A CN 201510914862 A CN201510914862 A CN 201510914862A CN 106863000 A CN106863000 A CN 106863000A
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- control
- deep hole
- temperature
- drilling
- control system
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- 238000001514 detection method Methods 0.000 title claims abstract description 10
- 238000005553 drilling Methods 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims abstract description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 11
- 239000010432 diamond Substances 0.000 claims description 11
- 238000010835 comparative analysis Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/34—Arrangements for removing chips out of the holes made; Chip- breaking arrangements attached to the tool
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
A kind of online detection and control system of deep hole drill temperature, using PLC controls, during work, gases at high pressure are pressed into drilling and drill bit are cooled down the control system by air compressor machine, and drilling cuttings is taken out of, and temperature sensor PT100 is placed at drilling rod crumb mouth.The control program is set to control and automatically control two modes manually.The Real-time Collection of data is completed using PT100 thermal modules, and according to the size of temperature signal, by the running status of PLC adjust automatically deep hole drills, realizes the functions such as automatic temperature-adjusting regulation control, the manual/auto pattern switching of deep hole drilling system.The system is with good expansibility, flexibility and reliability and stability, with preferable application value.
Description
Technical field
The present invention relates to a kind of online detection and control system of deep hole drill temperature, it is adaptable to mechanical field.
Background technology
The machining accuracy of deep hole drilling machine has substantial connection with the deflection of main shaft drill bit and workpiece, and thermal deformation is most important of which composition.So, the thermal deformation for improving drill bit and workpiece just seems especially prominent.Thermal Analysis are carried out to dry type inner-chip removal deep-hole drill using ANSYS softwares, dry Deep drill bit knife face cutting temperature and rotating speed, the change curve of the amount of feeding can be given, the control method of dry Deep drill bit is given accordingly：Make cooling medium with compressed air, take the rotating speed of cutter to control the feeding control associative mechanism with cutter to coordinate the cooling of cutter, can reach the more satisfactory cooling-down effect of cutter.
The content of the invention
The present invention proposes a kind of online detection and control system of deep hole drill temperature, the Real-time Collection of data is completed using PT100 thermal modules, and according to the size of temperature signal, by the running status of PLC adjust automatically deep hole drills, the functions such as automatic temperature-adjusting regulation control, the manual/auto pattern switching of deep hole drilling system are realized.
The technical solution adopted in the present invention is：Using PLC controls, during work, gases at high pressure are pressed into drilling and drill bit are cooled down the control system by air compressor machine, and drilling cuttings is taken out of, and temperature sensor PT100 is placed at drilling rod crumb mouth.PLC passes through FX2N- 4AD-PT thermal modules obtain the temperature value of drill bit, after comparative analysis by frequency converter and feeding motor driver control respectively spindle drive motor and feeding motor, control the speed of mainshaft and drill bit the amount of feeding, with up to reduce temperature of diamond bit purpose.
The control program is set to control and automatically control two modes manually.
In the operation of manual gear, first determine that system is opened, indices are normally and in standby mode." automatic/to stop/manual " knob is placed on " manual " position on the touchscreen, system manual work under PLC cooperations, the frequency converter of auger axis motor is not involved in work.Manually operated maintenance mode and frequency converter suitable for deep hole drilling machine is used when being out of order, also can directly drilling shallow bore hole when use.Manually boot and stop being completed by its corresponding " startup " and " stopping " button respectively, and light or extinguish indicator lamp.
In automatic catch operation, the button on touch screen operation panel is placed on " automatic " position, now system works automatically under PLC controls, only need to adjust " rotating speed " and " amount of feeding " on front panel come the drilling parameter selection required for carrying out.PLC can automatically work according to the drilling rotating speed of setting and feeding value, and when temperature of diamond bit is less than 600 DEG C, PLC need not adjust the running parameter of main shaft electric frequency conversion device and the drive parameter of feed motor;When temperature of diamond bit is more than 600 DEG C, PLC reduces the working frequency of frequency converter and the number of drive pulses of feed motor automatically, to reduce drill speed and reduce the amount of feeding.When temperature of diamond bit continues more than 600 DEG C, PLC reduces the working frequency of frequency converter and the number of drive pulses of feed motor again, until reducing drill speed and the amount of feeding to null value, protection drill bit will not be damaged because temperature is too high.If temperature of diamond bit is reduced and is reduced to when under 600 DEG C, rotating speed and the amount of feeding are returned to normal value by PLC.If " automatic/to stop/manual " knob is placed on " stopping " position, the automatic mode of system stops, into holding state.
The beneficial effects of the invention are as follows：System application PT100 thermal modules complete the Real-time Collection of data, and according to the size of temperature signal, by the running status of PLC adjust automatically deep hole drills, realize the functions such as automatic temperature-adjusting regulation control, the manual/auto pattern switching of deep hole drilling system.The system is with good expansibility, flexibility and reliability and stability, with preferable application value.
Brief description of the drawings
Fig. 1 is deep hole machining schematic diagram of the invention.
Fig. 2 is PT100 placement locations schematic diagram of the invention.
In figure：1. deep hole drilling machine；2. workpiece；3. centre frame；4. inlet duct；5. high-pressure air hose；6. air compressor machine；7. drilling rod；8. drill rod connector；9. saddle；10. chuck；11. workpiece；12. inlet ducts；13. drilling rods；14.PT100；15. plankers；16. spindle drive motors；17. feeding motors.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Such as Fig. 1, workpiece to be machined is positioned and clamped by the centre frame 3 on lathe.During Drilling operation, workpiece 2 is clamped by the chuck of main shaft and rotated under main shaft drive, and drilling rod 7 is then by saddle 9 with action feed motion.Inlet duct 4 is mounted with platen, and is tightly connected with workpiece right side by 0 shape sealing ring.Compressed air by inlet duct 4 air inlet inject, by drilling rod 7 external diameter and hole wall between gap flow into cutting region, cutter is cooled down, chip with compressed air by drill pipe bore by drilling rod afterbody export discharge.Compressed air pressure is not less than 150kPa, and cutting data can select rotating speed n=600 ~ 900 r/min, the amount of feedingf=0.05~0.09mm/r.Because drilling rod is more long, be easily deformed, thus on machine tool guideway can installation activity centre bearing, the optional position of drilling rod can be supported.
Such as Fig. 2, using PLC controls, during work, gases at high pressure are pressed into drilling and drill bit are cooled down control system by air compressor machine, and drilling cuttings is taken out of, and temperature sensor PT100 is placed at drilling rod crumb mouth.PLC passes through FX2N- 4AD-PT thermal modules obtain the temperature value of drill bit, after comparative analysis by frequency converter and feeding motor driver control respectively spindle drive motor and feeding motor, control the speed of mainshaft and drill bit the amount of feeding, with up to reduce temperature of diamond bit purpose.
Smooth to ensure cooling effect and chip removal, compressed air should keep appropriate pressure and flow.High pressure, low discharge can be used during processing Small-deep Hole；Low-pressure, big flow can be used during processing large diameter, deep borehole.Chip and hot-air are discharged from the middle of chip removal bar, and this mode chip removal effect is good.
The control program of the system is set to control and automatically control two modes manually.
In the operation of manual gear, first determine that system is opened, indices are normally and in standby mode." automatic/to stop/manual " knob is placed on " manual " position on the touchscreen, system manual work under PLC cooperations, the frequency converter of auger axis motor is not involved in work.Manually operated maintenance mode and frequency converter suitable for deep hole drilling machine is used when being out of order, also can directly drilling shallow bore hole when use.Manually boot and stop being completed by its corresponding " startup " and " stopping " button respectively, and light or extinguish indicator lamp.
In automatic catch operation, the button on touch screen operation panel is placed on " automatic " position, now system works automatically under PLC controls, only need to adjust " rotating speed " and " amount of feeding " on front panel come the drilling parameter selection required for carrying out.PLC can automatically work according to the drilling rotating speed of setting and feeding value, and when temperature of diamond bit is less than 600 DEG C, PLC need not adjust the running parameter of main shaft electric frequency conversion device and the drive parameter of feed motor;When temperature of diamond bit is more than 600 DEG C, PLC reduces the working frequency of frequency converter and the number of drive pulses of feed motor automatically, to reduce drill speed and reduce the amount of feeding.When temperature of diamond bit continues more than 600 DEG C, PLC reduces the working frequency of frequency converter and the number of drive pulses of feed motor again, until reducing drill speed and the amount of feeding to null value, protection drill bit will not be damaged because temperature is too high.If temperature of diamond bit is reduced and is reduced to when under 600 DEG C, rotating speed and the amount of feeding are returned to normal value by PLC.If " automatic/to stop/manual " knob is placed on " stopping " position, the automatic mode of system stops, into holding state.
Claims (5)
1. a kind of online detection and control system of deep hole drill temperature, it is characterized in that：Using PLC controls, during work, gases at high pressure are pressed into drilling and drill bit are cooled down the control system by air compressor machine, and drilling cuttings is taken out of, and temperature sensor PT100 is placed at drilling rod crumb mouth.
2. the online detection and control system of a kind of deep hole drill temperature according to claim 1, it is characterized in that：The PLC passes through FX2N- 4AD-PT thermal modules obtain the temperature value of drill bit, after comparative analysis by frequency converter and feeding motor driver control respectively spindle drive motor and feeding motor, control the speed of mainshaft and drill bit the amount of feeding, with up to reduce temperature of diamond bit purpose.
3. the online detection and control system of a kind of deep hole drill temperature according to claim 1, it is characterized in that：The control program is set to control and automatically control two modes manually.
4. the online detection and control system of a kind of deep hole drill temperature according to claim 1, it is characterized in that：In the operation of the manual gear, first determine system unlatching, be placed in " automatic/to stop/manual " knob on " manual " position on the touchscreen normally and in standby mode by indices, system manual work under PLC cooperations, the frequency converter of auger axis motor is not involved in work.
5. the online detection and control system of a kind of deep hole drill temperature according to claim 1, it is characterized in that：In the automatic catch operation, the button on touch screen operation panel is placed on " automatic " position, now system works automatically under PLC controls, only need to adjust " rotating speed " and " amount of feeding " on front panel come the drilling parameter selection required for carrying out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510914862.XA CN106863000A (en) | 2015-12-13 | 2015-12-13 | A kind of online detection and control system of deep hole drill temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510914862.XA CN106863000A (en) | 2015-12-13 | 2015-12-13 | A kind of online detection and control system of deep hole drill temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106863000A true CN106863000A (en) | 2017-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510914862.XA Pending CN106863000A (en) | 2015-12-13 | 2015-12-13 | A kind of online detection and control system of deep hole drill temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112166005A (en) * | 2018-07-18 | 2021-01-01 | 艾沛克斯品牌公司 | Portable power drill with pump |
| CN117102539A (en) * | 2023-10-19 | 2023-11-24 | 江苏维美轻工机械有限公司 | Punching device for drying cylinder body |
-
2015
- 2015-12-13 CN CN201510914862.XA patent/CN106863000A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112166005A (en) * | 2018-07-18 | 2021-01-01 | 艾沛克斯品牌公司 | Portable power drill with pump |
| CN117102539A (en) * | 2023-10-19 | 2023-11-24 | 江苏维美轻工机械有限公司 | Punching device for drying cylinder body |
| CN117102539B (en) * | 2023-10-19 | 2023-12-26 | 江苏维美轻工机械有限公司 | Punching device for drying cylinder body |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170620 |
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| WD01 | Invention patent application deemed withdrawn after publication |