CN2542376Y - Automatic Drilling Device controlled by microprocessor - Google Patents
Automatic Drilling Device controlled by microprocessor Download PDFInfo
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- CN2542376Y CN2542376Y CN 02231545 CN02231545U CN2542376Y CN 2542376 Y CN2542376 Y CN 2542376Y CN 02231545 CN02231545 CN 02231545 CN 02231545 U CN02231545 U CN 02231545U CN 2542376 Y CN2542376 Y CN 2542376Y
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- microprocessor
- feeding motor
- motor
- switch
- relay
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Abstract
The utility model provides an automatic drilling device controlled by a microprocessor, which makes use of a micro processor to control the operation of a drilling motor and the running direction of a feeding motor, and converts drilling motor current induced by a current transformer to digital signals, which are then transmitted to process conditions in the microprocessor and a memory for calculation and judgment, and then which is transmitted to the feeding motor control unit in the style of a speed command to control the running speed of the feeding motor that is transmitted as feedback to the control unit of the feeding motor and is compared with the speed command. And, the conduction change of a bidirectional triode thyristor can be used to change the running speed of the feeding motor, which makes the drilling device adjust the running speed of the feeding motor duly according to different processing situations and processed material property, in order to enhance drilling quality and reduce drilling tools consumption, and achieve the purposes of high speed and automatic drilling.
Description
Technical field
The utility model is relevant a kind of drilling equipment, particularly a kind of automatic drilling device of microprocessor control.
Background technology
Manufacturing industry use now is with the drilling machine of electromagnetic base, be to utilize electromagnetic base that drilling machine is adsorbed on the machined object, and drilling machine is provided with a drill motor, this drill motor possesses has ring knife cutting drill head in order to boring, and utilize manual mode to press down the feeding push rod, drill bit is applied in the machined object holes, after boring is finished, again with manual mode with the involution of feeding push rod in the home position, but this kind drilling machine must press down strength and speed with what the personal work experience was adjusted the feeding push rod in good time, if the operator lacks experience or influenced by individual mood, when causing to adjust the strength of feeding push rod and speed in good time, promptly directly have influence on the processing quality of machined object and production efficiency etc., and as when running into the machined object of hard material, if can't be in time the strength and the speed of feeding push rod be slowed down, its process tool may pass too fast because of penetration rate and that the machined object material is harder be, make cutter be subjected to severe attrition and necessary the replacing, cause the relative raising of processing cost, high slightly because of present cost of labor in addition, it is real in being difficult for to employ its experienced worker, also becomes one of manufacturer's puzzlement.Thereafter, promptly the someone improves the shortcoming of habit formula drilling machine, adopt the Electronic Control manner of execution, by the rotation of electronic loop control motor, motor drives manual push rod boring processing again, and can be after the boring action be finished, automatically make the cutter involution in initial state, but the motor rotary speed during owing to hole is also for fixing, can't change motor rotary speed according to the material difference of machined object in good time, therefore cutter is when running into the machined object of hard material, its proportion of goods damageds relatively improve, and processing cost still can't be reduced, and the chip breaking after the machined object boring also residual packing around the machined object position, and the follow-up boring that influences process is moved, also very inconvenience concerning the user; Thereafter, there is the dealer to improve habit formula drilling machine again, be Taiwan application case number the 7920672 No. two, [with the used control device of arranging of electromagnetic base] that No. the 1, notification number, it is when utilizing comparator and gate to make each different boring action, change along with voltage, the output of comparator and gate is also inequality, control this control device boring beginning and reach with potential drop, in the boring, or the various starts of boring end of a period return period initial equilibrium state, but it is with electronic circuit control, not only the shared volumetric spaces of circuit is bigger, and also can't find spot failure fast during obstacle to some extent at electronic circuit, other is the person, this control device does not cut the control device of chip breaking, when machined object was harder material, the chip breaking that the boring back is produced was more, if do not removed with manual type, for also influence to some extent, very inconvenience of follow-up processing action.
Because aforesaid drawbacks, this creator spy is studied and is improved, to improve above-mentioned disappearance.
Summary of the invention
Technology to be solved in the utility model is to provide a kind of at the above-mentioned deficiency of prior art can in time revise feeding motor running speed in response to various processing environment and machined object material, hole quality and reduce the drilling tool loss to improve, and reach the automatic drilling device of the microprocessor control of bore operation high speed and automation.
Above-mentioned technical problem of the present utility model is realized by following technical scheme.
The automatic drilling device of a kind of microprocessor control comprises: connect the adsorbent equipment of power supply, drill motor by the second switch and the first switch connection power supply and feeding motor etc. by first switch, it is characterized in that:
Be provided with microprocessor, a processing environment detecting unit and a feeding motor control unit of a keyhole motor running and feeding motor running;
The output termination step-down rectifying circuit of this second switch, the output of step-down rectifying circuit connects microprocessor via filter regulator circuit, supply with power supply of microprocessor, make the microprocessor action, the output of microprocessor connects first relay and second relay, the switch series of this first relay is connected between first switch, second switch, drill motor and the power supply, and its output also taps into to motor by the switch of the rectification circuit BD2 and second relay; When first actuating of relay, the first relay switch closure, drill motor is connected with power supply, makes drill motor entry into service action; When second actuating of relay, the switch closure of second relay is rotated in the forward the feeding motor, and start downwards;
This processing environment detecting unit comprises: above-mentioned microprocessor, a comparator, are serially connected with drill motor current in loop transformer; Power supply behind the above-mentioned step-down rectifying circuit step-down rectifier export a load current with reference to and input in this microprocessor through the judgement that a comparator is made low-voltage, this output that is serially connected with drill motor current in loop transformer connects the analog/digital conversion module via amplification, rectification, filter circuit, and the output of analog/digital conversion module connects microprocessor; The electric current of current transformer induction drill motor, this electric current process is amplified, rectification, filter transmission is to the analog/digital conversion module, convert to digital signal transfer in the microprocessor with the external world and memory in processing conditions contrast calculation, do a preferable judgement output, the signal of output is through digital-to-analog conversion module, and transfer to the feeding motor control unit in a speed command mode, this feeding motor control unit then records the running speed of present feeding motor by the feedback circuit that is serially connected with rectification circuit BD2 input, and do one with speed command and compare, to utilize the running speed that is serially connected with the bidirectional triode thyristor conducting degree correction feeding motor in the feedback circuit at any time, and the numerical value after electric current that drill motor is sensed is through the conversion of analog/digital conversion module is during less than the setting value in the microprocessor, behind certain hour, export a null speed command and give the feeding motor, allow the feeding motor shut down, and ask when postponing one section, the coasting of feeding motor is stopped, at this moment, microprocessor sends a signal and makes the second relay conducting, and send a maximum speed order and give the feeding motor control unit, make the feeding motor at full throttle griffe the tool involution to initial state on the reverse mode fast.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
Wherein, also set one in the feeding motor control unit and compare running speed, when the running speed of feedback was higher than this comparison running speed, the feeding motor control unit promptly sent a signal to microprocessor, so that microprocessor can be done the safeguard measure of strain.
Wherein, first switch is control one solenoid, and when first switch closure, this solenoid promptly produces magnetic and is adsorbed on the machined object, reaches the fixedly purpose of machined object.
Wherein, between the output of current transformer and analog/digital conversion module, be connected to a signal level and make up for circuit, the electric current that current transformer is sensed is before transferring to the analog/digital conversion module, earlier make up for circuit through this signal level, the signal of input analog/digital conversion module was zero when drill motor was shut down, then have during the drill motor running in the signal input analog/digital conversion module, to reach the certain purpose of action.
Wherein, microprocessor connects a plurality of indicator lamps, and present load current and functional status are shown with indicator lamp, understands the purpose of current state so that the user to be provided.
Wherein, before transferring to the feeding motor control unit, the speed command that microprocessor sends connects an integral filter circuit, to reach the purpose that prevents that noise from disturbing.
Wherein, establish a manual switch in this device outside, when this hand switch closure was imported a signal to microprocessor, microprocessor sent a signal keyhole motor quick acting, chip breaking is cut off, to reach the purpose of avoiding chip breaking to influence processing action.
Wherein, microprocessor connects an involution reference-junction switch, and this contact of conducting when making cutter return back to initial state is to reach the purpose of cutter initial equilibrium state of certain return period.
The utility model utilizes an environmental detection unit to learn the material of present processing environment and machined object, and do one relatively with the feeding motor speed in the running, in time revise the feeding motor speed, to improve the boring quality and to reduce the drilling tool loss, reach the purpose of boring action high speed and automation.
The benefit that the utility model can be reached is as follows:
1; because the utility model is to utilize a current transformer (CT) ceaselessly to respond to the electric current of drill motor; therefore when drill motor runs into the machined object of hard material; drill motor speed is slower; its electric current of sensing is bigger; the rotating speed of feeding motor is also slower; make the unlikely severe attrition of cutter; otherwise; softer when the material of machined object, drill motor speed is very fast, senses principal current hour; make the rotating speed of feeding motor very fast; shorten the required time of boring, can adjust the speed of feeding motor by this automatically, to reach the protection cutter and to shorten process time in response to the unlike material of machined object; reduce the purpose of manufacturing cost.
2, the utility model also rises cutter in a quick reverse mode after machining, and judgement returns back to initial position after the conducting of involution reference-junction, replys the certain purpose of action to reach to save the stand-by period and make.
3, since the utility model all with the extraneous processing environment of automatic detection, input microprocessor does that the result judges and rotating speed output, does not therefore need to operate by rule of thumb, can reduce the scarce fraud that causes manufacturing cost to improve because of human factor.
4, the utility model also connects the switch of establishing a cutting chip breaking function in the external world, when switch open, can utilize the high-speed running of drill motor with cutter chip breaking to be cut off, and reaches to make the unlikely purpose that influences the following process action of chip breaking.
Understand a following preferred embodiment and conjunction with figs. detailed description as the back of lifting now for having the utility model further:
Description of drawings
Fig. 1 is an action calcspar of the present utility model.
Fig. 2 is a line map one of the present utility model.
Fig. 3 is line map two of the present utility model.
Fig. 4 is a line map three of the present utility model.
The specific embodiment
See also accompanying drawing, the utility model is made up of adsorbent equipment 1, microprocessor 2, processing environment detecting unit 3, feeding motor control unit 5, drill motor A and feeding motor B, wherein:
One adsorbent equipment 1 (shown in Figure 2): it is when utilizing first switch, 11 closures, and power supply makes a solenoid 13 produce powerful magnetic this device is adsorbed on the machined object through the Voltage pulsating direct-current supply that ac rectifier 12 is produced:
One microprocessor 2 (shown in Figure 3): it is to connect first relay 21 of keyhole motor A running and second relay 22 of control feeding motor B rotation direction, and the processing environments that processing environment detecting unit 3 is measured are judged output according to doing calculation in this microprocessor 2 of input, and microprocessor 2 connects a plurality of indicator lamps 23 in addition, with with present machining state and current capacity with indicator lamp 23 expressions, and connect an involution reference-junction 25 at microprocessor 2.
One processing environment detecting unit 3 (shown in Figure 2): its be with second switch 31 power supply when closed through step-down rectifying circuit 32, to become a load current reference frame, in the input microprocessor 2, and this voltage is made low-voltage through a comparator 33 and is judged, and comparative result imported in the emblem processor 2, this power supply behind step-down rectifier is then again through filtering, mu balanced circuit 34, supply with first relay 21, second relay 22 and microprocessor 2 power supplys, drill motor A then ceaselessly responds to its electric current with a current transformer (CT) 35 in addition, and through amplifying 36, rectification, filtering 37 and signal make up for circuit such as 38, transfer to analog/digital conversion module 39 with a linear analogue voltage system, the data signal of its output is through microprocessor 2 and load current reference frame, after the processing conditions of institute-memory is done a calculation judgement in low-voltage judged result and the memory 24, change module 40 through digital-to-analog in a speed command mode, integral filter circuit 41 conducts to (see figure 4) in the feeding motor control unit 5;
One feeding horse speed control system unit 5: it is to connect a two-way controllable silicon (TRIAC) 51, when speed command arrives feeding motor control unit 5, promptly utilize the conducting of this bidirectional triode thyristor (TRIAC) 51 to make feeding motor B running, the power supply of this feeding motor B then utilizes a rectification circuit 52 to convert AC power to direct-current power supply, and the rotation direction of this feeding motor B is by 22 controls of second relay, in addition, the running speed of feeding motor B utilizes a feedback circuit 53 to feed back in the feeding motor control unit 5, make with the speed command of microprocessor 2 and do one relatively, in time change bidirectional triode thyristor (TRIAC) 51 conducting degree, to revise the running speed of feeding motor B, and with one set running speed 54 relatively, judge whether that the transmission abnormality signal is to microprocessor 2;
See also accompanying drawing, when power supply of the present utility model enters, operating personnel with manual mode with first switch, 11 closures, this power supply promptly produces Voltage pulsating direct-current supply via an ac rectifier 12 and supplies with a solenoid 13, making solenoid 13 produce powerful magnetic force is adsorbed on the machined object, and when second switch 31 closures, power supply one end is through a step-down rectifying circuit 32, make power supply export a load current reference frame and the low-voltage judged result done through a comparator 33 transfers in the microprocessor 2, simultaneously, this power supply is again through filter regulator circuit 34, first relay 21 is supplied with in output, second relay 22 and microprocessor 2 power supplys, make microprocessor 2 send a signal and make 21 conductings of first relay and second relay, 22 closures, when 21 actions of first relay, drill motor A is connected with power supply, begin rotation, and second relay 22 is when closed, feeding motor B then is rotated in the forward beginning action downwards, when drill motor A rotates, it utilizes a current transformer (CT) 35 induced-currents, and induced-current amplified through amplifying circuit 36, and through rectification, after filtering 37 and signal level are made up for 38 circuit, in linear analogue voltage input analog/digital conversion module 39, when if drill motor A does not rotate, the signal of its input is zero, then there is signal to import into during rotation, this after conversion signal and enter microprocessor 2 in and memory 24 in processing conditions and external environment (be brownout, load current is excessive or running speed is unusual) do to judge and company's degree calculation, and transfer in the feeding motor control unit 5 in a speed command mode through digital-to-analog conversion module 40, utilize a sharp two-way controllable silicon (TRIAC) the 51 conducting degree of feeding motor control unit 5 controls, to change the running speed of feeding motor B, present running speed is fed back in the feeding motor control unit 5 in addition and make comparisons, change in the hope of in response to the induced-current of drill motor A and extraneous factor feeding motor B being made speed at any time with speed command by a feedback circuit 53.When just turning to down, feeding motor B adds man-hour, the drill motor A electric current that current transformer (CT) 35 is sensed begins to increase, 2 of microprocessors judge that drill motor A cutter has begun processing, accelerate feeding motor B speed in good time, to raise the efficiency, and the arithmetic speed order that sets according to microprocessor 2 memories 24 inside calculates preferable speed, in time utilize bidirectional triode thyristor (TRIAC) to revise feeding motor B speed, the speed of feeding motor B can be changed to some extent according to the drilling tool of the machined object of unlike material or different sizes, if the numerical value that the current conversion of sensing becomes is less than the setting value in the memory 24, and after reaching certain hour, microprocessor 2 judgement processing are finished, export a null speed command and give feeding motor B, make feeding motor B stop just to change, and postponing a period of time, after waiting for that feeding motor B coasting stops, microprocessor 2 sends an order and makes 22 conductings of second relay, feeding motor B then at full throttle reverses the rising cutter, to save process time, and judgement has returned back to initial state behind conducting involution reference-junction 25, so that first relay 21 cuts out, stop drill motor A and feeding motor B running, finish the action of time processing.
In addition, when the running speed of feeding motor B feedback has when unusual, feeding motor control unit 5 sends an abnormal signal and transfers in the microprocessor 2, makes the strain safeguard measure with judgement.And when the switch 25 of a cutting chip breaking function starts, microprocessor 2 also can send a signal and make drill motor A running, utilize its cutting drilling spot facing cutter of installing that chip breaking is cut off, make unlikely processing action, the hard and more particular job occasion of chip breaking of influencing of chip breaking in response to the machined object material.
In sum; because though the automatic drilling device of the formula of habit can reach the action of automatic drilling processing; but it can't in time change feeding motor running speed according to the material of machined object; make to shorten process time; operating efficiency can not improve; and the iron filings after the cutting also are deposited in around the machined object easily; the program of influence processing; the utility model then utilizes a current transformer (CT) induction drill motor electric current; do one relatively with the feeding motor running speed of feedback; in time change the feeding motor speed; so that cutter is when the quilt that runs into unlike material such as worker's thing; can change feeding motor running speed according to the soft or hard of material; and can after machining, at full throttle cutter be returned back to initial position; the purpose that reaches the protection cutter and shorten process time, it really has substantial benefit than the habit formula promotes, therefore specially for filing an application.
Claims (8)
1, the automatic drilling device of a kind of microprocessor control comprises: connect the adsorbent equipment of power supply, drill motor by the second switch and the first switch connection power supply and feeding motor etc. by first switch, it is characterized in that:
Be provided with microprocessor, a processing environment detecting unit and a feeding motor control unit of a keyhole motor running and feeding motor running;
The output termination step-down rectifying circuit of this second switch, the output of step-down rectifying circuit connects microprocessor via filter regulator circuit, supply with power supply of microprocessor, make the microprocessor action, the output of microprocessor connects first relay and second relay, the switch series of this first relay is connected between first switch, second switch, drill motor and the power supply, and its output also taps into to motor by the switch of the rectification circuit BD2 and second relay; When first actuating of relay, the first relay switch closure, drill motor is connected with power supply, makes drill motor entry into service action; When second actuating of relay, the switch closure of second relay is rotated in the forward the feeding motor, and start downwards;
This processing environment detecting unit comprises: above-mentioned microprocessor, a comparator, are serially connected with drill motor current in loop transformer; Power supply behind the above-mentioned step-down rectifying circuit step-down rectifier export a load current with reference to and input in this microprocessor through the judgement that a comparator is made low-voltage, this output that is serially connected with drill motor current in loop transformer connects the analog/digital conversion module via amplification, rectification, filter circuit, and the output of analog/digital conversion module connects microprocessor; The electric current of current transformer induction drill motor, this electric current process is amplified, rectification, filter transmission is to the analog/digital conversion module, convert to digital signal transfer in the microprocessor with the external world and memory in processing conditions contrast calculation, do a preferable judgement output, the signal of output is through digital-to-analog conversion module, and transfer to the feeding motor control unit in a speed command mode, this feeding motor control unit then records the running speed of present feeding motor by the feedback circuit that is serially connected with rectification circuit BD2 input, and do one with speed command and compare, to utilize the running speed that is serially connected with the bidirectional triode thyristor conducting degree correction feeding motor in the feedback circuit at any time, and the numerical value after electric current that drill motor is sensed is through the conversion of analog/digital conversion module is during less than the setting value in the microprocessor, behind certain hour, export a null speed command and give the feeding motor, allow the feeding motor shut down, and ask when postponing one section, the coasting of feeding motor is stopped, at this moment, microprocessor sends a signal and makes the second relay conducting, and send a maximum speed order and give the feeding motor control unit, make the feeding motor at full throttle griffe the tool involution to initial state on the reverse mode fast.
2, the automatic drilling device of microprocessor control according to claim 1; it is characterized in that: wherein; also set the comparator of a comparison running speed in the feeding motor control unit; when the running speed of feedback is higher than this comparison running speed; the feeding motor control unit promptly sends a signal to microprocessor, so that microprocessor can be done the safeguard measure of strain.
3, the automatic drilling device of microprocessor control according to claim 1 is characterized in that: wherein, first switch is control one solenoid, and when first switch closure, this solenoid promptly produces magnetic and is adsorbed on the machined object.
4, the automatic drilling device of microprocessor control according to claim 1, it is characterized in that: wherein, between the output of current transformer and analog/digital conversion module, be connected to a signal level and make up for circuit, the electric current that current transformer is sensed is before transferring to the analog/digital conversion module, earlier make up for circuit through this signal level, the signal of input analog/digital conversion module was zero when drill motor was shut down, then have during the drill motor running in the signal input analog/digital conversion module, to reach action really.
5, the automatic drilling device of microprocessor control according to claim 1, it is characterized in that: wherein, microprocessor connects a plurality of indicator lamps, and present load current and functional status are shown with indicator lamp.
6, the automatic drilling device of microprocessor control according to claim 1 is characterized in that: wherein, connect an integral filter circuit before the speed command that microprocessor sends transfers to the feeding motor control unit, prevent that to reach noise from disturbing.
7, the automatic drilling device of microprocessor control according to claim 1, it is characterized in that: wherein, establish a manual switch in this device outside, when this hand switch closure is imported a signal to microprocessor, microprocessor sends a signal keyhole motor quick acting, chip breaking is cut off, avoided chip breaking to influence processing action to reach.
8, the automatic drilling device of microprocessor according to claim 1 control, it is characterized in that: wherein, microprocessor connects an involution reference-junction switch, and this contact of conducting when making cutter return back to initial state is to reach cutter initial equilibrium state of certain return period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231545 CN2542376Y (en) | 2002-04-22 | 2002-04-22 | Automatic Drilling Device controlled by microprocessor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231545 CN2542376Y (en) | 2002-04-22 | 2002-04-22 | Automatic Drilling Device controlled by microprocessor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2542376Y true CN2542376Y (en) | 2003-04-02 |
Family
ID=33707223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02231545 Expired - Lifetime CN2542376Y (en) | 2002-04-22 | 2002-04-22 | Automatic Drilling Device controlled by microprocessor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2542376Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230779B (en) * | 2007-01-23 | 2011-09-14 | 福田雷沃国际重工股份有限公司 | Electric control gear for safely using rotary drilling machine |
| CN105562753A (en) * | 2016-02-25 | 2016-05-11 | 成都亨通兆业精密机械有限公司 | Precision drilling machine |
| CN106053128A (en) * | 2016-05-26 | 2016-10-26 | 淮南市宜留机械科技有限公司 | Drill hoisting speed and direction control assembly for core-drilling machine |
| CN107378052A (en) * | 2017-09-08 | 2017-11-24 | 桂林加宏汽车修理有限公司 | A kind of drilling equipment and method based on MEMS |
-
2002
- 2002-04-22 CN CN 02231545 patent/CN2542376Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230779B (en) * | 2007-01-23 | 2011-09-14 | 福田雷沃国际重工股份有限公司 | Electric control gear for safely using rotary drilling machine |
| CN105562753A (en) * | 2016-02-25 | 2016-05-11 | 成都亨通兆业精密机械有限公司 | Precision drilling machine |
| CN106053128A (en) * | 2016-05-26 | 2016-10-26 | 淮南市宜留机械科技有限公司 | Drill hoisting speed and direction control assembly for core-drilling machine |
| CN107378052A (en) * | 2017-09-08 | 2017-11-24 | 桂林加宏汽车修理有限公司 | A kind of drilling equipment and method based on MEMS |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120422 Granted publication date: 20030402 |