CN201224050Y - Apparatus for automatically detecting cracking of deep hole drill borer and automatically retracting tool - Google Patents
Apparatus for automatically detecting cracking of deep hole drill borer and automatically retracting tool Download PDFInfo
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- CN201224050Y CN201224050Y CNU2008200710316U CN200820071031U CN201224050Y CN 201224050 Y CN201224050 Y CN 201224050Y CN U2008200710316 U CNU2008200710316 U CN U2008200710316U CN 200820071031 U CN200820071031 U CN 200820071031U CN 201224050 Y CN201224050 Y CN 201224050Y
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Abstract
Disclosed is an automatic tool collision detection and tool withdrawing device for a deep hole drilling and boring machine, which comprises a sampling circuit used to acquire the current signal of a main circuit of a tool feed system, a sampled signal rectification circuit, a current and voltage converting circuit, a first signal amplifying circuit, a threshold value comparison circuit, and a control signal output circuit; wherein the sampling circuit, the sampled signal rectification circuit, the current and voltage converting circuit, the first signal amplifying circuit, the threshold value comparison circuit, and the control signal output circuit are connected in sequence. The control signal output circuit comprises a forward feed pause control device and a quick backward movement control device which are respectively arranged at a forward feed signal control end and a quick backward movement signal control end of the tool feed system. In the case of collision of the tool, the automatic tool collision detection and tool withdrawing device controls the tool feed system to stop the tool from moving forward and to enable the tool to move backward, thus reducing waste and saving manpower.
Description
Technical field
The utility model relates to deep hole drilling and boring machine tool feeding control technology field, relates in particular to a kind of deep hole drilling and boring machine and forges a knife and automatically detect and automatic tool retracting unit.
Background technology
At present, deep hole drilling and boring machine is the main mechanical of the various holes of processing class workpiece, as two kinds of Q1-024 commonly used and Q1-010, their tool feeding system is by dc motor of controllable silicon Direct Current Governor System haul, drives leading screw by dc motor by mechanical gear box again and rotates the feed motion that realizes cutter; Have in the controllable silicon Direct Current Governor System and march forward, use the gauge tap on the related circuit to carry out corresponding operating by the direct labor to control circuit, feeding control circuit, fast shifter control circuit, fast shifter control circuit and enable control circuit backward forward backward; In addition, also have two mechanical gears of high, low speed on the mechanical gear box, when satisfying the processing different workpieces to the requirement of feed speed.When with the top gear processing work, the feed system main circuit current is bigger, and when with the low or first gear processing work, the feed system main circuit current is less relatively.
In use, the cutter working condition of deep hole drilling and boring machine can't with the naked eye be observed.If the operating position of GPRS cutter judges whether to forge a knife, must change by the electric current that touches drilling rod and observation drilling rod ammeter or spindle motor current table by the direct labor and judge.This not only brings inconvenience to work, has also increased direct labor's labour intensity simultaneously greatly.Sometimes do not note slightly, in time find to forge a knife phenomenon, will cause drill pipe buckling, distortion, damage, fracture, the cutter hub loss, can not continue to use; Big tripe appears in workpiece to be machined, influences product quality, will cause device damage when serious.For eliminating the variety of issue that causes because of forging a knife, reduce the loss, must accurately detect and forge a knife, in time withdrawing.Forge a knife and automatically detect and the automatic withdrawal control device if can propose a kind of deep hole drilling and boring machine,, not only can reduce the labour intensity that loss can also alleviate the direct labor to address these problems.
The utility model content
The purpose of this utility model provides a kind of deep hole drilling and boring machine and forges a knife and automatically detect and automatic tool retracting unit, can run into when forging a knife situation, automatically the cutter of control deep hole drilling and boring machine feed system halts and cutter is retreated, to reduce loss, to save manually.
A kind of deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, wherein: it comprises and is used to gather tool feeding system main circuit current signals sampling circuit, sampled signal rectification circuit, current-to-voltage converting circuit, first signal amplification circuit, threshold value comparison circuit, control signal output circuit, wherein, sample circuit, sampled signal rectification circuit, current-to-voltage converting circuit, first signal amplification circuit, threshold value comparison circuit, control signal output circuit connect successively; Include in the control signal output circuit and stop the forward feed control device, control rapid traverse device backward, correspondingly respectively be arranged on the marching forward of tool feeding system to signal controlling end, the end of rapid traverse signal controlling backward.
Described deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, wherein: it also comprises the low or first gear signal amplification circuit, be provided with between the signal output part of the signal input part of this low or first gear signal amplification circuit and first signal amplification circuit have normally closed/often drive first selector switch of two-way contact, the signal output part of first signal amplification circuit connects the input of this first selector switch, and the signal input part of low or first gear signal amplification circuit connects the normal opened contact of this first selector switch output; Be provided with between the signal input part of the signal output part of low or first gear signal amplification circuit and threshold value comparison circuit have normally closed/often drive second selector switch of two-way contact, the signal output part of low or first gear signal amplification circuit connects the normal opened contact of the second selector switch input, and the signal input part of threshold value comparison circuit connects the output of second selector switch; The normally closed contact of first, second selector switch is connected; First, second selector switch interlock.
Described deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, wherein: described first signal amplification circuit comprises first, second two amplifiers, the signal output part of first amplifier connects the in-phase signal input of second amplifier, the equal ground connection of inversion signal input of first, second amplifier, the in-phase signal input of first amplifier connects the signal output part of current-to-voltage converting circuit, and the signal output part of second amplifier connects the input of first selector switch.
Described deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, wherein: described low or first gear signal amplification circuit comprises the 3rd amplifier, the inversion signal input end grounding of the 3rd amplifier, its in-phase signal input connects the normal opened contact of the first selector switch output, and the signal output part of the 3rd amplifier connects the normal opened contact of the second selector switch input.
Described deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, wherein: described threshold value comparison circuit comprises comparator, switch triode, the in-phase signal input of this comparator connects the output of second selector switch, its inversion signal input is connected to a constant pressure source by a resistance adjustable voltage division circuit, the signal output part of this comparator is connected to the base stage of switch triode by divider resistance, and negative pole, the colelctor electrode that the emitter stage of switch triode is connected to a direct current power supply is connected to the signal input part of described control signal output circuit.
Described deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, wherein: described control signal output circuit comprises first, second relay, wherein, the coil one end ground connection of first relay, the other end connect the colelctor electrode of switch triode in the threshold value comparison circuit; The coil of second relay be connected on the power supply after one group of normally opened contact of first relay is connected, first group of normally opened contact of second relay is in parallel with this group normally opened contact of first relay, first group of normally-closed contact of second relay is used to be serially connected in marching forward to the signal controlling end of tool feeding system, and second group of normally opened contact of second relay is used to be serially connected in the end of rapid traverse signal controlling backward of tool feeding system.
Described deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, and wherein: described control signal output circuit also includes the 3rd relay, limit switch, and the coil of the 3rd relay and the series circuit of this limit switch are connected on the power supply; Described first, second selector switch be first group of the 3rd relay, second group normally closed/often open double-throw contact, this first group, second group be normally closed/normally-closed contact often opened in the double-throw contact is connected.
Described deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, wherein: also comprise a time-delay disconnecting circuit in the control signal output circuit, this time-delay disconnecting circuit comprises time-delay relay, the time-delay break contact of this time-delay relay is connected in series with second relay coil, also is connected with one between the coil of this time-delay relay and the power supply and gets whether electric the 3rd gauge tap of controlling keying by the control signal output circuit.
Described deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, and wherein: described the 3rd gauge tap is the 3rd a group of normally opened contact of second relay.
The utility model adopts technique scheme will reach following technique effect:
Deep hole drilling and boring machine of the present utility model is forged a knife and is detected automatically and automatic tool retracting unit, by sample circuit the tool feeding system main circuit current signal that collects is sent into the sampled signal rectification circuit and carry out rectification, send into current-to-voltage converting circuit afterwards and be converted to voltage signal, again this voltage signal is sent into and sent into the threshold value comparison circuit after first signal amplification circuit amplifies and compare, because the electric current of tool feeding system main circuit is steady when not forging a knife, signal after aforementioned each processing of circuit output low level signal after threshold ratio is than processing of circuit, the control signal output circuit is failure to actuate; In case the phenomenon of forging a knife occurs, the electric current of tool feeding system main circuit raises suddenly, thereby the signal after aforementioned each processing of circuit will be above the threshold value of threshold value comparison circuit setting, the threshold value comparison circuit compares handles back output high level signal, then drive control signal output circuit action, the described power supply that stops the cutter forward feeding control circuit of forward feed control device disconnection tool feeding system, stop forward feeding cutter, simultaneously, control the cutter power supply of fast shifter control circuit backward of rapid traverse device connection tool feeding system backward, cutter is moved rapidly backward; In addition, here first, second selector switch of low or first gear signal amplification circuit of She Zhiing and interlock, when cutter needs the low or first gear operation, with first, second selector switch the low or first gear signal amplification circuit is connect and to be located between first signal amplification circuit and the threshold value comparison circuit, send into the threshold value comparison circuit after further the output signal of first signal amplification circuit being amplified, when phenomenon appears forging a knife in low or first gear, also can in time stop the forward feed like this, and simultaneously cutter be moved after fast; As fully visible, the deep hole drilling and boring machine that the utility model provides is forged a knife and is detected automatically and automatic tool retracting unit, no matter at top grade, when situation appears forging a knife in low grade, all can control deep hole drilling and boring machine tool feeding system automatically cutter is halted, prevent that situations such as big tripe from appearring in processed workpiece, reduce the failed part rate, cutter is retreated fast, avoid cutter, drilling rod to damage, thereby can reduce loss, also saved artificial.
Description of drawings
Fig. 1 forges a knife for deep hole drilling and boring machine and automatically detects and the circuit theory diagrams of automatic tool retracting unit;
Fig. 2 is the schematic diagram of feeding and fast shifter control circuit in the tool feeding system.
The specific embodiment
Embodiment:
A kind of deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, its circuit theory diagrams as shown in Figure 1, it is connected in power supply, comprise and be used to gather tool feeding system main circuit current signals sampling circuit, sampled signal rectification circuit, current-to-voltage converting circuit, first signal amplification circuit, threshold value comparison circuit, control signal output circuit, wherein, sample circuit, sampled signal rectification circuit, current-to-voltage converting circuit, first signal amplification circuit, threshold value comparison circuit, control signal output circuit connect successively; Include in the control signal output circuit and stop the forward feed control device, control rapid traverse device backward, correspondingly respectively be arranged on the marching forward of tool feeding system to signal controlling end, the end of rapid traverse signal controlling backward.This deep hole drilling and boring machine is forged a knife and is automatically detected and automatic tool retracting unit.
Described deep hole drilling and boring machine is forged a knife and is automatically detected and automatic tool retracting unit also comprises the low or first gear signal amplification circuit, be provided with between the signal output part of the signal input part of this low or first gear signal amplification circuit and first signal amplification circuit have normally closed/often open the first selector switch J11 ' of two-way contact, the signal output part of first signal amplification circuit connects the input a joint of this first selector switch J11 ', and the signal input part of low or first gear signal amplification circuit connects the normal opened contact c joint of this first selector switch J11 ' output; Be provided with between the signal input part of the signal output part of low or first gear signal amplification circuit and threshold value comparison circuit have normally closed/often open the second selector switch J12 ' of two-way contact, the signal output part of low or first gear signal amplification circuit connects the normal opened contact c ' joint of the second selector switch J12 ' input, and the signal input part of threshold value comparison circuit connects the output a ' joint of the second selector switch J12 '; The normally closed contact b joint of the first selector switch J11 ' is connected with the normally closed contact b ' joint of the second selector switch J12 '; First, second selector switch J11 ', J12 ' interlock.
Described sample circuit is a current transformer L1, its elementary winding is serially connected with in the tool feeding system main circuit, the two ends of its secondary windings are connected on two signal input parts of rectification circuit (only showing the annexation of the secondary windings of current transformer L1 among Fig. 1), rectification circuit is the rectifier bridge that is made of four diode V1 ~ V4, between two outputs of this rectifier bridge and be connected to two parallel resistor R1, R2, electric current is to convert voltage signal to via these two resistance, these two parallel resistance R1, R2 all has an end ground connection, and the other end connects and be connected to by divider resistance R3 the signal input part of first signal amplification circuit altogether.
Described first signal amplification circuit comprises first, second two amplifier N1, N2, signal output part 1 pin of the first amplifier N1 connects in-phase signal input 5 pin of the second amplifier N2 by divider resistance R5, inversion signal input 2 pin of first, second amplifier N1, N2,6 pin are respectively by adjustable resistance RP1, RP2 ground connection, the in-phase signal input 3 pin serial connection divider resistance R3 of the first amplifier N1, be used for receiving and treat amplifying signal, signal output part 7 pin of the second amplifier N2 connect the input a joint of the first selector switch J11 '; The normally closed contact b joint of the first selector switch J11 ' output is connected with the normally closed contact b ' joint of the second selector switch J12 ' input, and the output a ' joint of the second selector switch J12 ' connects the signal input part of threshold value comparison circuit; In addition, the normal opened contact c joint of the first selector switch J11 ' output connects the signal input part of low or first gear signal amplification circuit, and the signal output part of low or first gear signal amplification circuit connects the normal opened contact c ' joint of the second selector switch J12 ' input.
Described low or first gear signal amplification circuit comprises the 3rd amplifier N3, inversion signal input 9 pin of the 3rd amplifier N3 are by an adjustable resistance RP3 ground connection, its in-phase signal input 10 pin connect the normal opened contact c joint of the first selector switch J11 ' output by a divider resistance R7, and signal output part 8 pin of the 3rd amplifier N3 connect the normal opened contact c ' joint of the second selector switch J12 ' input.
Described threshold value comparison circuit comprises comparator N4, switch triode V6, in-phase signal input 12 pin of comparator N4 connect the output a ' joint of the second selector switch J12 ' by divider resistance R9, its inversion signal input 13 pin are connected to+the 15V constant pressure source by a resistance adjustable voltage division circuit, the signal output part of this comparator N4 is connected in series to the base stage of switch triode V6 by voltage-stabiliser tube V5, divider resistance R12, and the emitter stage of switch triode is connected to-and the dc source of 24V, colelctor electrode be connected to the signal input part of described control signal output circuit.Described resistance adjustable voltage division circuit is serially connected with+is constituted between 15V power supply and the ground by adjustable resistance RP4 and two resistance R 10, R11, inversion signal input 13 pin of comparator N4 are connected on the intermediate contact of two resistance R 10, R11, like this, regulate the adjustable terminal of adjustable resistance RP4, can change the voltage that is added on comparator N4 inversion signal input 13 pin, that is to say by regulating the adjustable terminal of adjustable resistance RP4, the compare threshold of threshold value comparison circuit can be set.
Described control signal output circuit comprises first relay J, second relay J 2, wherein, the coil one end ground connection of first relay J, the other end connect the colelctor electrode of switch triode V6 in the threshold value comparison circuit, also are parallel with a diode V7 at the two ends of the first relay J coil; The second relay coil J2 be connected contact 102 after one group of normally opened contact J ' of first relay J connects, between 100, contact 102,100 is two wiring points of 110V AC power, first group of normally opened contact J21 ' of second relay J 2 is in parallel with this group normally opened contact J ' of first relay J, in addition, first group of normally-closed contact J23 ' of second relay J 2 is used to be serially connected in marching forward to the signal controlling end of tool feeding system, second group of normally opened contact J24 ' of second relay J 2 is used to be serially connected in the end of rapid traverse signal controlling backward of tool feeding system, see the schematic diagram of feeding in the tool feeding system shown in Figure 2 and fast shifter control circuit, among this Fig. 2, circuit A is marching forward to control circuit of tool feeding system, circuit E is fast shifter control circuit backward, other be fast shifter control circuit forward as circuit D, circuit C is for enabling control circuit, circuit B is feeding control circuit backward, and foregoing circuit all is connected on the AC power of 110V.
Described control signal output circuit also includes the 3rd relay J 1, limit switch SQ, and the series circuit of the coil of the 3rd relay J 1 and this limit switch SQ is connected between two wiring points 102,100 of 110V AC power; Described first, second selector switch J11 ', J12 ' be first group of the 3rd relay J 1, second group normally closed/often open double-throw contact, this first group, second group be normally closed/often open normally-closed contact among double-throw contact J11 ', the J12 ' be connected (the normally closed joint b, the b ' that are first, second selector switch link to each other).
Also comprise a time-delay disconnecting circuit in the control signal output circuit, this time-delay disconnecting circuit comprises time-delay relay JS, the time-delay break contact JS ' of this time-delay relay JS and the coil tandem of second relay J 2, the coil of this time-delay relay JS is connected between two wiring points 102,100 of 110V AC power with series circuit after the 3rd group of normally opened contact J22 ' of second relay J 2 is connected in series.
When the tool feeding system is in top gear work, the current signal that current transformer L1 collects is delivered to through its secondary windings and reloads in resistance R 1 after carrying out rectification on the rectifier bridge, be converted to voltage signal on the R2, this voltage signal is introduced into and is delivered to the second amplifier N2 again after the first amplifier N1 amplifies and amplifies processing, afterwards through first, the second selector switch J11 ', the b that J12 ' is connected, b ' joint is delivered to in-phase signal input 12 pin of comparator N4, compare with the voltage of comparator N4 inversion signal input 13 pin input, under the normal condition during if do not forge a knife, sample circuit collects current signal stably, after comparator N4 compares processing, its output 14 pin output low level signals, this low level signal deficiency is so that triode V6 conducting, thereby the control circuit of back is failure to actuate, and the tool feeding system also is in normal operating conditions; In case the phenomenon of forging a knife, electric current in the tool feeding system main circuit raises significantly with instantaneous, thereby will improve greatly through the amplitude that first amplifying circuit is handled the voltage signal obtain, thereby drive comparator N4 output high level signal and make triode V6 conducting, then, the first relay J coil gets, its normally opened contact J ' is communicated with, the coil of second relay J 2 is got, first group of normally opened contact J21 ' of second relay J 2 is communicated with, constitute latching circuit, (delayed contact of time-delay relay JS is a normally-closed contact), simultaneously, second relay J 2 first group of normally-closed contact J23 ' disconnect and marching forward to the relay J in the control circuit 3, see shown in Fig. 2, after this relay J 3 disconnects, Enable Pin signal (Enable Pin is connected with the normally opened contact J33 ' of relay J 3) and cutter march forward and are cut off to signal, and the feed system main circuit current reduces to zero, stops feed forward; After system's main circuit current reduces to zero, current transformer L1 no signal current output in the sample circuit, therefore comparator N4 output becomes low level again, triode V6 transfers cut-off state again to, the coil losing electricity of first relay J that connects on its colelctor electrode, the normally opened contact J ' of first relay J disconnects, and this moment second relay J 2 under the effect of its latching point (the second normally opened contact J21 ' of its closure), continue electric work; Second group of normally opened contact J24 ' of second relay J 2 (seeing among Fig. 2 the normally opened contact J24 ' in the fast backward shifter control circuit) closure, it is electric that rapid traverse contactor KA2 is got, and makes cutter start rapid traverse backward, leaves workpiece to be processed; The 3rd group of normally opened contact J22 ' closure of second relay J 2, it is electric that the coil of time-delay relay JS is got, and after time-delay relay JS worked setting-up time, its time-delay break contact JS ' disconnected, the coil losing electricity of second relay J 2, its normally opened contact J21 ', J22 ', J24 ' disconnect, normally-closed contact J23 ' closure, and cutter rapid traverse backward stops, during to time-delay relay JS dead electricity, the technical program circuit quits work, and recovers as before, carries out equipment for working on later on.
When with the low or first gear processing work, feed system major loop operating current is lower, the signal voltage that the technical program circuit sampling obtains is also lower, for making the technical program circuit still can operate as normal, need to increase one-level amplifier N3, be used for improving the signal voltage that collects, the sampled signal voltage that reaches when working with top gear is approaching, and other circuit parameter need not made any change and just can realize control to low or first gear like this; The adding of this amplifier N3 is to realize by near the limit switch that is loaded on the mechanical speed change handle.When gear change hand lever is removed to low or first gear, limit switch is depressed, the normally opened contact SQ of limit switch is communicated with, the 3rd relay J 1 is started working, after 1 work of the 3rd relay J, it is first years old, second normally closed/as often to open double-throw contact J11 ', the normally-closed contact of J12 ' disconnects simultaneously, be connected to simultaneously on the corresponding normally opened contact, the in-phase signal input of amplifier N3 and the signal output part of amplifier N2 are connected, the in-phase signal input of comparator N4 and the output of amplifier N3 are connected, amplifier N3 just begins to carry out duty like this, realized control to low or first gear, after amplifier N3 added, the process that the technical program circuit carries out work was identical with top gear, promptly repeats no more here.
Claims (9)
1, a kind of deep hole drilling and boring machine is forged a knife and is detected automatically and automatic tool retracting unit, it is characterized in that: it comprises and is used to gather tool feeding system main circuit current signals sampling circuit, sampled signal rectification circuit, current-to-voltage converting circuit, first signal amplification circuit, threshold value comparison circuit, control signal output circuit, wherein, sample circuit, sampled signal rectification circuit, current-to-voltage converting circuit, first signal amplification circuit, threshold value comparison circuit, control signal output circuit connect successively; Include in the control signal output circuit and stop the forward feed control device, control rapid traverse device backward, correspondingly respectively be arranged on the marching forward of tool feeding system to signal controlling end, the end of rapid traverse signal controlling backward.
2, deep hole drilling and boring machine as claimed in claim 1 is forged a knife and is detected automatically and automatic tool retracting unit, it is characterized in that: it also comprises the low or first gear signal amplification circuit, be provided with between the signal output part of the signal input part of this low or first gear signal amplification circuit and first signal amplification circuit have normally closed/often drive first selector switch of two-way contact, the signal output part of first signal amplification circuit connects the input of this first selector switch, and the signal input part of low or first gear signal amplification circuit connects the normal opened contact of this first selector switch output; Be provided with between the signal input part of the signal output part of low or first gear signal amplification circuit and threshold value comparison circuit have normally closed/often drive second selector switch of two-way contact, the signal output part of low or first gear signal amplification circuit connects the normal opened contact of the second selector switch input, and the signal input part of threshold value comparison circuit connects the output of second selector switch; The normally closed contact of first, second selector switch is connected; First, second selector switch interlock.
3, deep hole drilling and boring machine as claimed in claim 2 is forged a knife and is detected automatically and automatic tool retracting unit, it is characterized in that: described first signal amplification circuit comprises first, second two amplifiers, the signal output part of first amplifier connects the in-phase signal input of second amplifier, the equal ground connection of inversion signal input of first, second amplifier, the in-phase signal input of first amplifier connects the signal output part of current-to-voltage converting circuit, and the signal output part of second amplifier connects the input of first selector switch.
4, deep hole drilling and boring machine as claimed in claim 3 is forged a knife and is detected automatically and automatic tool retracting unit, it is characterized in that: described low or first gear signal amplification circuit comprises the 3rd amplifier, the inversion signal input end grounding of the 3rd amplifier, its in-phase signal input connects the normal opened contact of the first selector switch output, and the signal output part of the 3rd amplifier connects the normal opened contact of the second selector switch input.
5, deep hole drilling and boring machine as claimed in claim 4 is forged a knife and is detected automatically and automatic tool retracting unit, it is characterized in that: described threshold value comparison circuit comprises comparator, switch triode, the in-phase signal input of this comparator connects the output of second selector switch, its inversion signal input is connected to a constant pressure source by a resistance adjustable voltage division circuit, the signal output part of this comparator is connected to the base stage of switch triode by divider resistance, and the grounded emitter of switch triode, colelctor electrode are connected to the signal input part of described control signal output circuit.
6, deep hole drilling and boring machine as claimed in claim 5 is forged a knife and is detected automatically and automatic tool retracting unit, it is characterized in that: described control signal output circuit comprises first, second relay, wherein, the coil one end ground connection of first relay, the other end connect the colelctor electrode of switch triode in the threshold value comparison circuit; Second relay coil be connected on the power supply after one group of normally opened contact of first relay is connected, first group of normally opened contact of second relay is in parallel with this group normally opened contact of first relay, first group of normally-closed contact of second relay is used to be serially connected in marching forward to the signal controlling end of tool feeding system, and second group of normally opened contact of second relay is used to be serially connected in the end of rapid traverse signal controlling backward of tool feeding system.
7, deep hole drilling and boring machine as claimed in claim 6 is forged a knife and is detected automatically and automatic tool retracting unit, it is characterized in that: described control signal output circuit also includes the 3rd relay, limit switch, and the coil of the 3rd relay and the series circuit of this limit switch are connected on the power supply; Described first, second selector switch be first group of the 3rd relay, second group normally closed/often open double-throw contact, this first group, second group be normally closed/normally-closed contact often opened in the double-throw contact is connected.
8, deep hole drilling and boring machine as claimed in claim 7 is forged a knife and is detected automatically and automatic tool retracting unit, it is characterized in that: also comprise a time-delay disconnecting circuit in the control signal output circuit, this time-delay disconnecting circuit comprises time-delay relay, the time-delay break contact of this time-delay relay is connected in series with second relay coil, also is connected with one between the coil of this time-delay relay and the power supply and gets whether electric the 3rd gauge tap of controlling keying by the control signal output circuit.
9, deep hole drilling and boring machine as claimed in claim 7 is forged a knife and is detected automatically and automatic tool retracting unit, and it is characterized in that: described the 3rd gauge tap is the 3rd a group of normally opened contact of second relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200710316U CN201224050Y (en) | 2008-06-16 | 2008-06-16 | Apparatus for automatically detecting cracking of deep hole drill borer and automatically retracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200710316U CN201224050Y (en) | 2008-06-16 | 2008-06-16 | Apparatus for automatically detecting cracking of deep hole drill borer and automatically retracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201224050Y true CN201224050Y (en) | 2009-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200710316U Expired - Lifetime CN201224050Y (en) | 2008-06-16 | 2008-06-16 | Apparatus for automatically detecting cracking of deep hole drill borer and automatically retracting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201224050Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271873A (en) * | 2016-08-31 | 2017-01-04 | 天津市鸿远电气股份有限公司 | LGA 158 switch board boring machine control system |
| CN106625241A (en) * | 2016-12-27 | 2017-05-10 | 北京市电加工研究所 | Quick cutter feeding/retreating and constant-pressure feeding mechanism |
| CN117505976A (en) * | 2023-12-11 | 2024-02-06 | 江苏海宇机械有限公司 | Automatic broaching angle adjusting system for internal spline of crank |
-
2008
- 2008-06-16 CN CNU2008200710316U patent/CN201224050Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271873A (en) * | 2016-08-31 | 2017-01-04 | 天津市鸿远电气股份有限公司 | LGA 158 switch board boring machine control system |
| CN106625241A (en) * | 2016-12-27 | 2017-05-10 | 北京市电加工研究所 | Quick cutter feeding/retreating and constant-pressure feeding mechanism |
| CN117505976A (en) * | 2023-12-11 | 2024-02-06 | 江苏海宇机械有限公司 | Automatic broaching angle adjusting system for internal spline of crank |
| CN117505976B (en) * | 2023-12-11 | 2024-04-16 | 江苏海宇机械有限公司 | Automatic broaching angle adjusting system for internal spline of crank |
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