CN114285333B - Automatic feeding magnetic base drilling machine control circuit - Google Patents
Automatic feeding magnetic base drilling machine control circuit Download PDFInfo
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- CN114285333B CN114285333B CN202111590577.9A CN202111590577A CN114285333B CN 114285333 B CN114285333 B CN 114285333B CN 202111590577 A CN202111590577 A CN 202111590577A CN 114285333 B CN114285333 B CN 114285333B
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- 238000005553 drilling Methods 0.000 title claims abstract description 37
- 230000006698 induction Effects 0.000 claims abstract description 18
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 177
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 26
- 229910052710 silicon Inorganic materials 0.000 claims description 26
- 239000010703 silicon Substances 0.000 claims description 26
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 5
- -1 resistor R29 Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses an automatic feeding magnetic base drilling machine control circuit, which comprises: the power supply circuit module is used for converting external high-voltage alternating current into low-voltage direct current; the main motor starting and closing circuit module is used for starting or closing the main motor B1; the magnetic seat power supply circuit module supplies power to the magnetic seat P3; the main motor overcurrent protection circuit module is connected to the main motor starting and closing circuit module to prevent the main motor B1 from overcurrent; the magnetic induction display circuit module is used for inducing the attraction force of the magnetic seat P3; a feeding rotation speed adjusting circuit module for adjusting the speed of the feeding motor B2; an intermittent feeding control circuit module for controlling the intermittent starting of the feeding motor B2; and the feeding motor overcurrent protection circuit module is used for controlling the main motor B1. The control circuit of the automatic feeding magnetic base drilling machine realizes the purpose of automatic feeding drilling by controlling the feeding motor. The drilling is fed automatically, manual operation is not needed, and automatic stop is achieved after drilling is completed.
Description
Technical Field
The invention relates to an automatic feeding magnetic base drilling machine control circuit.
Background
The magnetic base drilling machine is called a magnetic drilling machine and a magnetic drilling machine, and a plurality of calling methods such as a magnet drill, a steel plate drill, an iron-absorbing drill, a suction drill, a steel plate tapping machine and the like are also on the market. The magnetic drill is characterized in that an electromagnet of a magnetic drill base generates a magnetic field after being electrified and is adsorbed on a steel piece, and then a magnetic drill motor runs at a high speed to drive a drill bit so as to drill or process threads on a steel plate.
With the development of magnetic base drilling machines, the types of the drilling machines are also increasing. At present, when most of domestic magnetic base drilling machines drill holes, a feeding handle needs to be manually operated, so that the labor intensity of users is greatly increased, and particularly, the larger the cutter specification is, the larger the torque required for feeding is, and the labor intensity of the users is also higher.
Disclosure of Invention
The invention provides an automatic feeding magnetic base drilling machine control circuit which solves the technical problems, and specifically adopts the following technical scheme:
an automatic feed magnetic stand drill control circuit comprising: the device comprises a power supply circuit module, a main motor starting and closing circuit module, a magnetic seat power supply circuit module, a main motor overcurrent protection circuit module, a magnetic induction display circuit module, a feeding rotation speed adjusting circuit module, an intermittent feeding control circuit module, a feeding motor overcurrent protection circuit module and a main motor drill through and stopping circuit module;
The power circuit module is used for converting external high-voltage alternating current into low-voltage direct current;
the power supply circuit module is connected to the main motor starting and closing circuit module, the magnetic seat power supply circuit module, the main motor overcurrent protection circuit module, the magnetic force induction display circuit module, the feeding rotation speed adjusting circuit module, the intermittent feeding control circuit module, the feeding motor overcurrent protection circuit module and the main motor drill through stop circuit module.
The main motor starting and closing circuit module is connected to the main motor B1 to start or close the main motor B1;
the magnetic seat power supply circuit module supplies power to the magnetic seat P3;
the main motor overcurrent protection circuit module is connected to the main motor starting and closing circuit module to prevent the main motor B1 from overcurrent;
the magnetic induction display circuit module is used for inducing the magnetic force of the magnetic seat P3 and carrying out prompt and early warning according to the induction result;
the feeding rotation speed adjusting circuit module is connected to the feeding motor B2 and used for adjusting the speed of the feeding motor B2;
the intermittent feeding control circuit module is connected to the feeding rotation speed adjusting circuit module to control the intermittent starting of the feeding motor B2;
the feed motor overcurrent protection circuit module is connected to the feed rotation speed adjustment circuit module to prevent the feed motor B2 from overcurrent;
The main motor drill through shutdown circuit module is connected to the main motor start shutdown circuit module for controlling the main motor B1 through the main motor start shutdown circuit module.
Further, the power circuit module includes: the power converter P1, the fuse BW1, the resistor R1, the light-emitting diode D1, the three-terminal voltage-stabilizing tube IC3 and the electrolytic capacitor C6;
the first input end of the power converter P1 is connected with a phase line of 220V alternating current and the second input end of the power converter P1 is connected with a zero line of 220V alternating current through a fuse BW 1;
the first output end of the power converter P1 is grounded, and the second output end outputs 13V direct current voltage;
one end of the first resistor R1 is connected with the second output end of the power converter P1, the other end of the first resistor R1 is connected with the positive electrode of the light emitting diode D1, and the negative electrode of the light emitting diode D1 is connected with the first output end of the power converter P1;
the input end of the three-terminal voltage stabilizing tube IC3 is connected with the second output end of the power converter P1, the output end of the three-terminal voltage stabilizing tube IC outputs 5V direct current voltage, and the last end of the three-terminal voltage stabilizing tube IC is grounded;
the positive electrode of the electrolytic capacitor C6 is connected with the output end of the three-terminal voltage stabilizing tube IC3, and the other end of the electrolytic capacitor C is grounded.
Further, the main motor start-up shutdown circuit module includes: the power-on button switch S1, the power-off button switch S2, the relay J2, the triode Q1, the diode D2, the optocoupler U1, the resistor R2, the capacitor C1, the capacitor C3, the diode D11 and the relay J1;
One end of the power-on button switch S1 is connected with 13V voltage, and the other end is connected with the coil anode of the relay J2;
the coil negative electrode of the relay J2 is connected with the collector electrode of the triode Q1;
the two ends of the switch of the relay J2 are respectively connected with the coil anode of the relay J1 and 13V voltage;
the coil cathode of the relay J1 is connected with the anode of the diode D11, and the cathode of the diode D11 is grounded;
two ends of a switch of the relay J1 are respectively connected with a phase line of 220V alternating current and the main motor B1;
the other end of the main motor B1 is connected with a zero line of 220V alternating current;
the base electrode of the triode Q1 is connected with the cathode of the diode D2, and the emitter electrode of the triode Q is grounded;
one end of the capacitor C3 is connected with the base electrode of the triode Q1, and the other end of the capacitor C is grounded;
the positive electrode of the diode D2 is connected with one end of the shutdown button switch S2, and the other end of the shutdown button switch S2 is grounded;
the positive electrode of the diode D3 is connected with the negative electrode of the coil of the relay J2, and the negative electrode of the diode D3 is connected with the positive electrode of the coil of the relay J2;
the 3 pin of the optocoupler U1 is connected with the positive electrode of the diode D2, the 4 pin of the optocoupler U is connected with the resistor R2 and one end of the capacitor C1, the other end of the resistor R2 is connected with 13V voltage, and the other end of the capacitor C1 is grounded.
Further, the magnetic seat power supply circuit module includes: rectifier bridge D9, resistor R3, diode D5, diode D6, diode D7, diode D8, diode D10, and magnetic pedestal P3;
The input end of the rectifier bridge D9 is connected with 220V alternating current, the output negative electrode of the rectifier bridge D9 is respectively connected with one end of the magnetic seat P3 and the positive electrode of the diode D10, and the output positive electrode of the rectifier bridge D9 is respectively connected with the negative electrode of the diode D5, the positive electrode of the diode D6 and the pin 1 of the optocoupler U1;
the phase line of 220V alternating current at the positive electrode of the diode D5;
the anode of the diode D7 is connected with the cathode of the diode D6, and the cathode of the diode D7 is connected with the anode of the diode D8;
the cathode of the diode D8 is respectively connected with one end of the resistor R3, the cathode of the diode D8 and the other end of the magnetic seat P3;
the other end of the resistor R3 is connected with the 2 pin of the optocoupler U1.
Further, the main motor overcurrent protection circuit module includes: the transformer L2, the diode D12, the resistor R4, the electrolytic capacitor C4, the resistor R15, the comparator U4A, the potentiometer R5, the diode D13, the resistor R6, the silicon controlled rectifier Q2, the light emitting diode D14, the resistor R7, the diode D15, the optocoupler U2, the comparator U3A, the resistor R18, the electrolytic capacitor C8, the capacitor C5, the resistor R16 and the resistor R17;
one end of the transformer L2 is grounded, the other end of the transformer L2 is connected with the anode of the diode D12, and the cathode of the diode D12 is respectively connected with one end of the resistor R15, one end of the resistor R4 and the anode of the electrolytic capacitor C4;
the cathode of the electrolytic capacitor C4 is grounded;
the other end of the resistor R4 is connected with the positive input end of the comparator U4A, the reverse input end of the comparator U4A is connected with the sliding end of the potentiometer R5, and the output end of the comparator U4A is connected with the positive electrode of the diode D13;
The other two ends of the potentiometer R5 are respectively grounded and have 5V voltage;
the negative electrode of the diode D13 is connected with the control electrode of the controlled silicon Q2 through a resistor R6, the positive electrode of the controlled silicon Q2 is connected with the negative electrode of the light-emitting diode D14, and the negative electrode of the controlled silicon Q2 is connected with the positive electrode of the diode D15 through a resistor R7;
the positive electrode of the light-emitting diode D14 is connected with 13V voltage;
the cathode of the diode D15 is connected with the 1 pin of the optical coupler U2, the 2 pin and the 3 pin of the optical coupler U2 are grounded, and the 4 pin of the optical coupler U2 is connected between the shutdown button switch S2 and the anode of the diode D2;
the other end of the resistor R15 is connected with the positive input end of the comparator U3A, the reverse input end of the comparator U3A is grounded through the resistor R16, the output end of the comparator U3A is connected with the resistor R18, and the reverse input end of the comparator U3A is connected to the output end of the comparator U3A through the resistor R17;
the positive electrode of the electrolytic capacitor C8 is connected with the other end of the resistor R18, and the negative electrode of the electrolytic capacitor C is grounded;
one end of the capacitor C5 is grounded and the other end is connected to the positive input end of the comparator U4A.
Further, the magnetic induction display circuit module comprises: the Hall sensor P2, the resistor R8, the capacitor C7, the comparator U4B, the potentiometer R9, the resistor R10, the triode Q3, the resistor R13, the resistor R11, the resistor R14, the triode Q4, the light emitting diode D16, the resistor R12 and the light emitting diode D17;
The 1 port of the Hall sensor P2 is connected with 5V voltage, the 2 port is grounded, and the 3 port is connected to the reverse input end of the comparator U4B through a resistor R8;
the positive input end of the comparator U4B is connected with the sliding end of the potentiometer R9, and the other two ends of the potentiometer R9 are respectively grounded and have 5V voltage;
one end of the capacitor C7 is connected with the reverse input end of the comparator U4B, and the other end of the capacitor C is grounded;
the output end of the comparator U4B is connected with the base electrode of the triode Q3 through a resistor R10, the emitter electrode of the triode Q3 is grounded, and the collector electrode of the triode Q3 is connected with the base electrode of the triode Q4 and the negative electrode of the light-emitting diode D16 through a resistor R13 and a resistor R11 respectively;
the positive electrode of the light-emitting diode D16 is connected with 13V voltage;
resistor R12 is connected with two ends of light-emitting diode D16;
the emitter of the triode Q4 is grounded, the collector of the triode Q4 is connected to the cathode of the light-emitting diode D17 through a resistor R14, and the anode of the light-emitting diode D17 is connected with 13V voltage.
Further, the feeding rotation speed adjusting circuit module comprises an adjustable power supply U5, a resistor R19, a diode D19, a band switch S3, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a diode D18, a diode D20, a capacitor C9, an electrolytic capacitor C10 and a capacitor C11;
the input end of the adjustable power supply U5 is connected with the coil positive electrode of the relay J1, and the adjustment end is connected with the band switch S3;
Two ends of the resistor R19 are respectively connected to the output end and the adjusting end of the adjustable power supply U5;
the anode and the cathode of the diode D19 are respectively connected with the adjusting end and the output end of the adjustable power supply U5;
each gear of the band switch S3 is grounded through a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24 and a resistor R25 respectively;
one end of the resistor R26 is connected with the adjusting end of the adjustable power supply U5, and the other end of the resistor R is connected with the ground;
the negative electrode of the diode D18 is connected with the input end of the adjustable power supply U5, and the positive electrode of the diode D is connected with the output end of the adjustable power supply U5;
the negative electrode of the diode D20 is connected with the output end of the adjustable power supply U5, and the positive electrode is grounded;
one end of the capacitor C9 is connected with the input end of the adjustable power supply U5, and the other end of the capacitor C is grounded;
the positive electrode of the electrolytic capacitor C10 is connected with the output end of the adjustable power supply U5, and the negative electrode is grounded;
one end of the capacitor C11 is connected with the adjusting end of the adjustable power supply U5, and the other end of the capacitor C is connected with the ground.
Further, the intermittent feed control circuit module includes: darlington tube Q5, time base circuit chip U7, capacitor C12, resistor R29, capacitor C14, resistor R28, resistor R27, electrolytic capacitor C13, and resistor R30;
the 1 pin of the time base circuit chip U7 is grounded, the 2 pin and the 6 pin are connected with a capacitor C14, the 3 pin is connected to the base electrode of the Darlington tube Q5 through a resistor R29, the 4 pin and the 8 pin are connected with 5V voltage, and the 5 pin is grounded through a capacitor C12;
The other end of the capacitor C14 is grounded;
two ends of the resistor R28 are respectively connected with the 6 pin and the 7 pin of the time base circuit chip U7;
two ends of the resistor R27 are respectively connected with the pin 7 and the pin 8 of the time base circuit chip U7;
the positive electrode of the electrolytic capacitor C13 is connected with the 4 pin of the time base circuit chip U7, and the negative electrode is grounded;
the collector of the Darlington tube Q5 is connected with the feed motor B2, and the emitter of the Darlington tube Q is grounded through a resistor R30;
the other end of the feeding motor B2 is connected with the output end of the adjustable power supply U5.
Further, the feed motor overcurrent protection circuit module includes: resistor R31, operational amplifier U9A, resistor R45, resistor R46, electrolytic capacitor C16, electrolytic capacitor C15, resistor R47, diode D21, resistor R32, resistor R33, electrolytic capacitor C17, comparator U6B, resistor R36, diode D22, resistor R34, resistor R35 and capacitor C18;
the positive input end of the operational amplifier U9A is connected to the emitter of the Darlington tube Q5 through a resistor R31, and the negative input end of the operational amplifier U9A is grounded through a resistor R45 and is connected with the output end of the operational amplifier U9A through a resistor R46;
the positive electrode of the electrolytic capacitor C15 is connected with the emitter electrode of the Hurlington tube Q5 and the negative electrode is grounded;
the positive electrode of the electrolytic capacitor C16 is connected with the positive input end of the operational amplifier U9A, and the negative electrode of the electrolytic capacitor C is grounded;
the output end of the operational amplifier U9A is connected with the anode of the diode D21 through the resistor R47;
The cathode of the diode D21 is grounded through a resistor R32 and a resistor R33;
the positive electrode of the electrolytic capacitor C17 is connected with the positive input end of the comparator U6B, and the negative electrode is grounded;
the positive input end of the comparator U6B is connected between the resistor R32 and the resistor R33, the reverse input end of the comparator U6B is respectively connected with 5V voltage and ground through the resistor R34 and the resistor R35, one end of the capacitor C18 is grounded, the other end of the capacitor C18 is connected with 5V voltage, the output end of the comparator U6B is connected with the positive electrode of the diode D22 through the resistor R36, and the negative electrode of the diode D22 is connected with the 1 pin of the optocoupler U2.
Further, the main motor drill-through stop circuit module includes: comparator U6A, diode D23, resistor R38, resistor R37, resistor R39, resistor R40, electrolytic capacitor C19, resistor R41, diode D24, thyristor Q6, capacitor C20, comparator U8A, resistor R42, capacitor C21, resistor R44, diode D25, potentiometer R43 and capacitor C22;
the positive input end of the comparator U6A is grounded through a resistor R38 and a resistor R37;
the positive electrode of the diode D23 is connected with the positive electrode of the diode D21, and the negative electrode of the diode D is connected between the resistor R38 and the resistor R37;
the positive electrode of the electrolytic capacitor C19 is connected with the positive input end of the comparator U6A, and the negative electrode of the electrolytic capacitor C is grounded;
the reverse input end of the comparator U6A is respectively connected with 5V voltage through a resistor R39 and grounded through a resistor R40, and the output end of the comparator U6A is connected with the anode of the diode D24 through a resistor R41;
The negative electrode of the diode D24 is connected with the control electrode of the controllable silicon Q6;
one end of the capacitor C20 is connected with the control electrode of the silicon controlled rectifier Q6, and the other end of the capacitor C is grounded;
the positive electrode of the controlled silicon Q6 is connected with the positive electrode of the coil of the relay J1, the negative electrode of the controlled silicon Q6 is respectively connected with the power supply end of the comparator U8A, one end of the resistor R42 and one end of the capacitor C21, and the other ends of the resistor R42 and the capacitor C21 are grounded;
the output end of the comparator U8A is connected with the positive electrode of the diode D25 through the resistor R44, the negative electrode of the diode D25 is connected with the 1 pin of the optocoupler U2, the reverse input end of the comparator U8A is connected with the positive electrode of the electrolytic capacitor C8, and the positive input end of the comparator U8A is connected with the sliding end of the potentiometer R43;
one end of the other two ends of the potentiometer R43 is grounded, and the other end of the potentiometer R43 is connected with 5V voltage;
one end of the capacitor C22 is grounded and the other end is connected to 5V voltage.
The control circuit of the automatic feeding magnetic base drilling machine has the advantage that the purpose of automatic feeding drilling is achieved by controlling the feeding motor. A step of
The invention has the advantages that the control circuit of the automatic feeding magnetic base drilling machine is provided, the drilling is automatically fed, manual operation is not needed, and the automatic stop is performed after the drilling is completed.
The invention has the advantages that the provided control circuit of the automatic feeding magnetic seat drilling machine can automatically detect the magnetic force of the magnetic seat and display and early warn.
The invention has the advantages that the control circuit of the automatic feeding magnetic base drilling machine can control the feeding part to intermittently perform during drilling, is beneficial to cutting scraps of the cutter and prolongs the service life of the cutter.
Drawings
FIG. 1 is a partial circuit diagram of an automatic feed magnetic stand drill control circuit of the present invention;
fig. 2 is another partial circuit diagram of an automatic feed magnetic stand drill control circuit of the present invention.
Detailed Description
The invention is described in detail below with reference to the drawings and the specific embodiments.
An automatic feed magnetic chuck drill control circuit for controlling an automatic feed magnetic chuck drill is shown in fig. 1 and 2. The automatic feeding magnetic seat drilling machine mainly comprises two parts: the first part is a drilling part, the steel structure is mainly drilled and tapped through a drill bit running at a high speed, and the drill bit is driven by a main motor. The second part is an adsorption steel structure part, and the magnetic drill base part is provided with a magnetic seat. After the magnetic seat is electrified, a magnetic field is generated through the changed current and is firmly adsorbed on the steel structure, so that the magnetic drill is ensured not to move. The third section is the feed section. The manual feed during drilling is replaced with a motor drive, which contains a feed motor. In the drilling process, the feeding speed of the drill bit has a certain relation with the service life of the drill bit and the quality of drilling, so that different feeding speeds are set to adapt to different drill bits; the suction force of the magnetic seat is related to drilling quality and drilling safety, and the stronger the suction force of the magnetic seat is, the more stable the machine body of the magnetic seat drill can be in operation, and the higher the drilling precision is. The automatic feeding magnetic seat drilling machine also comprises a magnetic induction display part, so that an operator can know the attraction condition of the magnetic seat in time, and the problem caused by the attraction of the magnetic seat is solved in time.
Specifically, the automatic feed magnetic seat drilling machine control circuit of the application comprises: the device comprises a power circuit module, a main motor starting and closing circuit module, a magnetic seat power supply circuit module, a main motor overcurrent protection circuit module, a magnetic force induction display circuit module, a feeding rotation speed adjusting circuit module, an intermittent feeding control circuit module, a feeding motor overcurrent protection circuit module and a main motor drill through and stopping circuit module.
The power circuit module is used for converting external high-voltage alternating current into low-voltage direct current. The power supply circuit module is connected to the main motor starting and closing circuit module, the magnetic seat power supply circuit module, the main motor overcurrent protection circuit module, the magnetic force induction display circuit module, the feeding rotation speed adjusting circuit module, the intermittent feeding control circuit module, the feeding motor overcurrent protection circuit module and the main motor drill through stop circuit module.
The main motor start-up shut-down circuit module is connected to the main motor B1 to start up or shut down the main motor B1.
The magnetic seat power supply circuit module supplies power to the magnetic seat P3.
The main motor overcurrent protection circuit module is connected to the main motor starting and closing circuit module to prevent the main motor B1 from overcurrent.
The magnetic force induction display circuit module is used for inducing the magnetic force of the magnetic seat P3 and carrying out prompt and early warning.
The feed rotation speed adjusting circuit module is connected to the feed motor B2 for adjusting the speed of the feed motor B2.
The intermittent feeding control circuit module is connected to the feeding rotation speed adjusting circuit module to control the intermittent starting of the feeding motor B2.
The feed motor overcurrent protection circuit module is connected to the feed rotation speed adjustment circuit module to prevent the feed motor B2 from overcurrent. The feeding part is intermittently carried out during drilling, which is beneficial to cutting scraps of the cutter and prolongs the service life of the cutter.
The main motor through-drill shutdown circuit module is connected to the main motor start-up shutdown circuit module for controlling the main motor B1 through the main motor start-up shutdown circuit module. The main motor drill through stop circuit module is used for controlling the automatic stop of the automatic feeding magnetic seat drilling machine after the automatic feeding magnetic seat drilling machine is drilled.
As a preferred embodiment, the power circuit module includes: the power converter P1, the fuse BW1, the resistor R1, the light emitting diode D1, the three-terminal voltage regulator IC3 and the electrolytic capacitor C6.
Specifically, the power converter P1 outputs 13VDC with 20W power, and the main components are DK125 power chip, electrolytic capacitor 330uF/25V, optocoupler PC817 and rectifier bridge DB157S. The first input end of the power converter P1 is connected with a phase line of 220V alternating current and the second input end of the power converter P1 is connected with a zero line of 220V alternating current through a fuse BW 1. The fuse functions to prevent the input voltage from being cut off when the current is too large. The first output terminal of the power converter P1 is grounded and the second output terminal outputs a 13V dc voltage. One end of the first resistor R1 is connected with the second output end of the power converter P1, the other end of the first resistor R1 is connected with the positive electrode of the light emitting diode D1, and the negative electrode of the light emitting diode D1 is connected with the first output end of the power converter P1. The input end of the three-terminal voltage stabilizing tube IC3 is connected with the second output end of the power converter P1, the output end of the three-terminal voltage stabilizing tube IC outputs 5V direct current voltage, and the last end of the three-terminal voltage stabilizing tube IC is grounded. The positive electrode of the electrolytic capacitor C6 is connected with the output end of the three-terminal voltage stabilizing tube IC3, and the other end of the electrolytic capacitor C is grounded. The electrolytic capacitor C6 filters the 5V dc voltage.
As a preferred embodiment, the main motor start-up and shut-down circuit module includes: the power-on button switch S1, the power-off button switch S2, the relay J2, the triode Q1, the diode D2, the optocoupler U1, the resistor R2, the capacitor C1, the capacitor C3, the diode D11 and the relay J1.
Specifically, one end of the on button switch S1 is connected to a 13V voltage and the other end is connected to the coil positive electrode of the relay J2. The coil negative electrode of the relay J2 is connected with the collector electrode of the triode Q1. The two ends of the switch of the relay J2 are respectively connected with the coil anode of the relay J1 and 13V voltage. The coil negative electrode of the relay J1 is connected with the positive electrode of the diode D11, and the negative electrode of the diode D11 is grounded. The two ends of the switch of the relay J1 are respectively connected with a phase line of 220V alternating current and the main motor B1. The other end of the main motor B1 is connected with a zero line of 220V alternating current. The base of the triode Q1 is connected with the cathode of the diode D2, and the emitter of the triode Q is grounded. One end of the capacitor C3 is connected with the base electrode of the triode Q1 and the other end is grounded. The positive pole of the diode D2 is connected with one end of the shutdown button switch S2, and the other end of the shutdown button switch S2 is grounded. The positive pole of the diode D3 is connected with the coil negative pole of the relay J2, and the negative pole of the diode D3 is connected with the coil positive pole of the relay J2. Diode D3 acts as a freewheeling function. The 3 pin of the optocoupler U1 is connected with the positive electrode of the diode D2, the 4 pin of the optocoupler U is connected with the resistor R2 and one end of the capacitor C1, the other end of the resistor R2 is connected with 13V voltage, and the other end of the capacitor C1 is grounded. When the power-on button switch S1 is pressed, the relay J2 is closed, the voltage on VDD is 13VDC, the VDD is connected with the coil positive pole of the relay J2 through the diode D3, and the self-locking of the relay J2 is completed and the relay is continuously conducted. The coil positive electrode of the relay J1 is connected with the VDD, and when the VDD is 13VDC, the relay J1 is conducted, so that the main motor B1 operates. When the shutdown button switch S2 is pressed, the base voltage of the triode Q1 is changed to 0V, the triode Q1 is cut off, the relays J1 and J2 are disconnected, and the main motor B1 is shut down.
As a preferred embodiment, the magnetic seat power supply circuit module includes: rectifier bridge D9, resistor R3, diode D5, diode D6, diode D7, diode D8, diode D10, and magnetic pedestal P3.
Specifically, the input end of the rectifier bridge D9 is connected to 220V ac, the output negative electrode of the rectifier bridge D9 is connected to one end of the magnetic seat P3 and the positive electrode of the diode D10, and the output positive electrode of the rectifier bridge D9 is connected to the negative electrode of the diode D5, the positive electrode of the diode D6 and the 1 pin of the optocoupler U1. The positive pole of diode D5 is the phase line of 220V ac. The anode of the diode D7 is connected with the cathode of the diode D6, and the cathode of the diode D7 is connected with the anode of the diode D8. The negative pole of diode D8 connects one end of resistance R3, negative pole of diode D8 and another end of magnetic seat P3 respectively. The other end of the resistor R3 is connected with the 2 pin of the optocoupler U1. The resistor R3 is a current limiting resistor and plays a role in current limiting. When the magnetic seat circuit is disconnected, the optocoupler U1 is disconnected, the triode Q1 is not conducted, and the main motor B1 cannot be started.
As a preferred embodiment, the main motor overcurrent protection circuit module includes: the transformer L2, the diode D12, the resistor R4, the electrolytic capacitor C4, the resistor R15, the comparator U4A, the potentiometer R5, the diode D13, the resistor R6, the thyristor Q2, the light emitting diode D14, the resistor R7, the diode D15, the optocoupler U2, the comparator U3A, the resistor R18, the electrolytic capacitor C8, the capacitor C5, the resistor R16 and the resistor R17.
Specifically, one end of the transformer L2 is grounded, and the other end is connected to the anode of the diode D12, and the cathode of the diode D12 is connected to one end of the resistor R15, one end of the resistor R4, and the anode of the electrolytic capacitor C4, respectively. The cathode of the electrolytic capacitor C4 is grounded. The other end of the resistor R4 is connected with the positive input end of the comparator U4A, the reverse input end of the comparator U4A is connected with the sliding end of the potentiometer R5, and the output end of the comparator U4A is connected with the positive electrode of the diode D13. The other two ends of the potentiometer R5 are respectively grounded and are respectively at 5V voltage. The negative electrode of the diode D13 is connected with the control electrode of the controlled silicon Q2 through a resistor R6, the positive electrode of the controlled silicon Q2 is connected with the negative electrode of the light-emitting diode D14, and the negative electrode of the controlled silicon Q2 is connected with the positive electrode of the diode D15 through a resistor R7. The positive electrode of the LED D14 is connected with 13V voltage. The negative pole of diode D15 connects 1 foot of opto-coupler U2, and 2 feet and 3 feet of opto-coupler U2 ground connection, and 4 feet of opto-coupler U2 connect between shut down button switch S2 and the positive pole of diode D2. The other end of the resistor R15 is connected with the positive input end of the comparator U3A, the reverse input end of the comparator U3A is grounded through the resistor R16, the output end of the comparator U3A is connected with the resistor R18, and the reverse input end of the comparator U3A is connected to the output end of the comparator U3A through the resistor R17. The positive electrode of the electrolytic capacitor C8 is connected to the other end of the resistor R18, and the negative electrode thereof is grounded. One end of the capacitor C5 is grounded and the other end is connected to the positive input end of the comparator U4A. When the induced current of the transformer L2 rises to a set value, the comparator U4A outputs high voltage to drive the silicon controlled rectifier Q2 to be conducted, the silicon controlled rectifier Q2 is conducted to lead the optocoupler U2 to be conducted, the light emitting diode D14 is always on, and the motors B1 and B2 are stopped.
As a preferred embodiment, the magnetic induction display circuit module includes: hall sensor P2, resistor R8, capacitor C7, comparator U4B, potentiometer R9, resistor R10, transistor Q3, resistor R13, resistor R11, resistor R14, transistor Q4, light emitting diode D16, resistor R12, and light emitting diode D17.
Specifically, the 1 port of the hall sensor P2 is connected to a 5V voltage, the 2 port is grounded, and the 3 port is connected to the inverting input terminal of the comparator U4B through the resistor R8. The positive input end of the comparator U4B is connected with the sliding end of the potentiometer R9, and the other two ends of the potentiometer R9 are respectively grounded and at 5V voltage. One end of the capacitor C7 is connected to the inverting input end of the comparator U4B, and the other end is grounded. The output end of the comparator U4B is connected with the base electrode of the triode Q3 through a resistor R10, the emitter electrode of the triode Q3 is grounded, and the collector electrode of the triode Q3 is connected with the base electrode of the triode Q4 and the negative electrode of the light-emitting diode D16 through a resistor R13 and a resistor R11 respectively. The positive electrode of the LED D16 is connected with 13V voltage. Resistor R12 is connected across led D16. The emitter of the triode Q4 is grounded, the collector of the triode Q4 is connected to the cathode of the light-emitting diode D17 through a resistor R14, and the anode of the light-emitting diode D17 is connected with 13V voltage. The output voltage of the hall sensor P2 is compared with a set value through the comparator U4B, when the output voltage of the hall sensor P2 is lower than the set value, the comparator U4B outputs a high voltage, the triode Q3 is turned on, and the light emitting diode D16 is turned on to emit light. Because the triode Q3 is conducted, the base electrode of the triode Q4 is low voltage, the triode Q4 is cut off, and the light emitting diode D17 is extinguished. When the output voltage of the Hall sensor P2 is higher than the set value, the comparator U4B outputs low voltage, the triode Q3 is cut off, the base electrode of the triode Q4 is high voltage, the triode Q4 is conducted, and the light emitting diode D17 emits light. At this time, the light emitting diode D16 is turned off because the current flowing through the light emitting diode D16 is small.
As a preferred embodiment, the feeding speed adjusting circuit module includes an adjustable power supply U5, a resistor R19, a diode D19, a band switch S3, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a diode D18, a diode D20, a capacitor C9, an electrolytic capacitor C10, and a capacitor C11.
Specifically, the input end of the adjustable power supply U5 is connected to the coil positive electrode of the relay J1, and the band switch S3 is adjusted. The two ends of the resistor R19 are respectively connected to the output end and the adjusting end of the adjustable power supply U5. The positive pole and the negative pole of the diode D19 are respectively connected with the adjusting end and the output end of the adjustable power supply U5. Each gear of the band switch S3 is grounded through a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24 and a resistor R25. Resistor R26 has one end connected to the regulated end of adjustable power supply U5 and the other end connected to ground. The negative electrode of the diode D18 is connected with the input end of the adjustable power supply U5, and the positive electrode of the diode D is connected with the output end of the adjustable power supply U5. The negative electrode of the diode D20 is connected with the output end of the adjustable power supply U5, and the positive electrode is grounded. One end of the capacitor C9 is connected with the input end of the adjustable power supply U5, and the other end of the capacitor C is connected with the ground. The positive electrode of the electrolytic capacitor C10 is connected with the output end of the adjustable power supply U5, and the negative electrode is grounded. One end of the capacitor C11 is connected with the adjusting end of the adjustable power supply U5, and the other end of the capacitor C is connected with the ground. The diodes D18, D20 function as freewheels. The output end and the input end of the adjustable power supply U5 are grounded through capacitors C9 and C10 respectively, and the capacitors C9 and C10 are used for filtering.
As a preferred embodiment, the intermittent feed control circuit module includes: darlington tube Q5, time base circuit chip U7, capacitor C12, resistor R29, capacitor C14, resistor R28, resistor R27, electrolytic capacitor C13, and resistor R30.
The Darlington tube Q5 is driven by a square wave to realize intermittent operation of the feed motor B2, and the square wave circuit is built by taking a time base circuit chip U7 as a main body. Specifically, pin 1 of the time-base circuit chip U7 is grounded, pins 2 and 6 are connected with a capacitor C14, pin 3 is connected to the base electrode of the Darlington tube Q5 through a resistor R29, pins 4 and 8 are connected with 5V voltage, and pin 5 is grounded through a capacitor C12. The other end of the capacitor C14 is grounded. Two ends of the resistor R28 are respectively connected with 6 pins and 7 pins of the time base circuit chip U7. Two ends of the resistor R27 are respectively connected with the 7 pin and the 8 pin of the time base circuit chip U7. The positive electrode of the electrolytic capacitor C13 is connected with the 4 pin of the time base circuit chip U7 and the negative electrode is grounded. The collector of the darlington tube Q5 is connected to the feed motor B2, and the emitter thereof is grounded via a resistor R30. The other end of the feeding motor B2 is connected with the output end of the adjustable power supply U5.
As a preferred embodiment, the feed motor overcurrent protection circuit module includes: resistor R31, operational amplifier U9A, resistor R45, resistor R46, electrolytic capacitor C16, electrolytic capacitor C15, resistor R47, diode D21, resistor R32, resistor R33, electrolytic capacitor C17, comparator U6B, resistor R36, diode D22, resistor R34, resistor R35, and capacitor C18.
The positive input end of the operational amplifier U9A is connected to the emitter of the Darlington tube Q5 through a resistor R31, and the negative input end of the operational amplifier U9A is grounded through a resistor R45 and is connected with the output end of the operational amplifier U9A through a resistor R46. The positive electrode of the electrolytic capacitor C15 is connected to the emitter electrode of the Hurlington tube Q5 and the negative electrode is grounded. The positive electrode of the electrolytic capacitor C16 is connected with the positive input end of the operational amplifier U9A and the negative electrode is grounded. The output end of the operational amplifier U9A is connected with the anode of the diode D21 through the resistor R47. The negative electrode of the diode D21 is grounded via the resistor R32 and the resistor R33. The positive electrode of the electrolytic capacitor C17 is connected with the positive input end of the comparator U6B and the negative electrode is grounded. The positive input end of the comparator U6B is connected between the resistor R32 and the resistor R33, the reverse input end of the comparator U6B is respectively connected with 5V voltage and ground through the resistor R34 and the resistor R35, one end of the capacitor C18 is grounded, the other end of the capacitor C18 is connected with 5V voltage, the output end of the comparator U6B is connected with the positive electrode of the diode D22 through the resistor R36, and the negative electrode of the diode D22 is connected with the 1 pin of the optocoupler U2.
The voltage on the sampling resistor R30 of the feeding motor B2 is amplified and then compared with a set value, the voltage value exceeds the set value, the comparator outputs high voltage, the optocoupler U2 is triggered to be conducted, and the motors B1 and B2 are closed. The emitter of the Darlington tube Q5 is connected with the forward input end of the operational amplifier U9A through a resistor R31, the reverse input end of the operational amplifier U9A is connected with the power ground through a resistor R45 and the output end through a resistor R46. The resistor R31 and the electrolytic capacitor C16 form a delay circuit, and the capacitor C15 functions as filtering.
As a preferred embodiment, the main motor drill-through shutdown circuit module comprises: comparator U6A, diode D23, resistor R38, resistor R37, resistor R39, resistor R40, electrolytic capacitor C19, resistor R41, diode D24, thyristor Q6, capacitor C20, comparator U8A, resistor R42, capacitor C21, resistor R44, diode D25, potentiometer R43, and capacitor C22.
Specifically, the positive input terminal of the comparator U6A is grounded via a resistor R38 and a resistor R37. The positive electrode of the diode D23 is connected to the positive electrode of the diode D21 and the negative electrode is connected between the resistor R38 and the resistor R37. The positive electrode of the electrolytic capacitor C19 is connected with the positive input end of the comparator U6A, and the negative electrode is grounded. The reverse input end of the comparator U6A is respectively connected with 5V voltage through a resistor R39 and grounded through a resistor R40, and the output end of the comparator U6A is connected with the anode of the diode D24 through a resistor R41. The negative electrode of the diode D24 is connected with the control electrode of the controllable silicon Q6. One end of the capacitor C20 is connected with the control electrode of the controllable silicon Q6, and the other end of the capacitor C is grounded. The positive pole of the controlled silicon Q6 is connected with the positive pole of the coil of the relay J1, the negative pole of the controlled silicon Q6 is respectively connected with the power supply end of the comparator U8A, one end of the resistor R42 and one end of the capacitor C21, and the other ends of the resistor R42 and the capacitor C21 are grounded. The output end of the comparator U8A is connected with the positive electrode of the diode D25 through the resistor R44, the negative electrode of the diode D25 is connected with the 1 pin of the optocoupler U2, the reverse input end of the comparator U8A is connected with the positive electrode of the electrolytic capacitor C8, and the positive input end of the comparator U8A is connected with the sliding end of the potentiometer R43. The other two ends of the potentiometer R43 are grounded at one end and are connected with 5V voltage at the other end. One end of the capacitor C22 is grounded and the other end is connected to 5V voltage.
The amplified voltage on the sampling resistor R30 of the feeding motor B2 is compared with a set value, when the voltage value is larger than the set value, the comparator U6A outputs high voltage to trigger the silicon controlled rectifier Q6 to be conducted, and then the comparator U8A works normally. And comparing the amplified current induction voltage of the main motor B1 with a set value, and when the current induction voltage is smaller than the set value, outputting high voltage by the comparator U6A to trigger the optical coupler U2 to be conducted so as to close the motors B1 and B2.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the invention in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.
Claims (1)
1. An automatic feed magnetic stand drill control circuit comprising: the device comprises a power supply circuit module, a main motor starting and closing circuit module, a magnetic seat power supply circuit module, a main motor overcurrent protection circuit module, a magnetic induction display circuit module, a feeding rotation speed adjusting circuit module, an intermittent feeding control circuit module, a feeding motor overcurrent protection circuit module and a main motor drill through and stopping circuit module;
the power circuit module is used for converting external high-voltage alternating current into low-voltage direct current;
The power supply circuit module is connected to the main motor starting and closing circuit module, the magnetic seat power supply circuit module, the main motor overcurrent protection circuit module, the magnetic force induction display circuit module, the feeding rotating speed adjusting circuit module, the intermittent feeding control circuit module, the feeding motor overcurrent protection circuit module and the main motor drill through stop circuit module;
the main motor starting and closing circuit module is connected to the main motor B1 to start or close the main motor B1;
the magnetic seat power supply circuit module supplies power to the magnetic seat P3;
the main motor overcurrent protection circuit module is connected to the main motor starting and closing circuit module to prevent the main motor B1 from overcurrent;
the magnetic induction display circuit module is used for inducing the magnetic force of the magnetic seat P3 and carrying out prompt and early warning according to the induction result;
the feeding rotation speed adjusting circuit module is connected to the feeding motor B2 and used for adjusting the speed of the feeding motor B2;
the intermittent feeding control circuit module is connected to the feeding rotation speed adjusting circuit module to control the intermittent starting of the feeding motor B2;
the feed motor overcurrent protection circuit module is connected to the feed rotation speed adjustment circuit module to prevent the feed motor B2 from overcurrent;
The main motor through-drilling shutdown circuit module is connected to the main motor starting shutdown circuit module and used for controlling the main motor B1 through the main motor starting shutdown circuit module;
the power circuit module includes: the power converter P1, the fuse BW1, the resistor R1, the light-emitting diode D1, the three-terminal voltage-stabilizing tube IC3 and the electrolytic capacitor C6;
the first input end of the power converter P1 is connected with a phase line of 220V alternating current and the second input end of the power converter P1 is connected with a zero line of 220V alternating current through the fuse BW 1;
the first output end of the power converter P1 is grounded, and the second output end of the power converter P1 outputs 13V direct current voltage;
one end of the resistor R1 is connected with the second output end of the power converter P1, the other end of the resistor R1 is connected with the positive electrode of the light emitting diode D1, and the negative electrode of the light emitting diode D1 is connected with the first output end of the power converter P1;
the input end of the three-terminal voltage stabilizing tube IC3 is connected with the second output end of the power converter P1, the output end of the three-terminal voltage stabilizing tube IC outputs 5V direct current voltage, and the last end of the three-terminal voltage stabilizing tube IC is grounded;
the positive electrode of the electrolytic capacitor C6 is connected with the output end of the three-terminal voltage-stabilizing tube IC3, and the other end of the electrolytic capacitor C is grounded;
the main motor starting and closing circuit module comprises: the power-on button switch S1, the power-off button switch S2, the relay J2, the triode Q1, the diode D2, the optocoupler U1, the resistor R2, the capacitor C1, the capacitor C3, the diode D11 and the relay J1;
One end of the power-on button switch S1 is connected with 13V voltage, and the other end of the power-on button switch S is connected with the coil anode of the relay J2;
the coil negative electrode of the relay J2 is connected with the collector electrode of the triode Q1;
the two ends of the switch of the relay J2 are respectively connected with the coil anode of the relay J1 and 13V voltage;
the coil negative electrode of the relay J1 is connected with the positive electrode of the diode D11, and the negative electrode of the diode D11 is grounded;
the two ends of the switch of the relay J1 are respectively connected with a phase line of 220V alternating current and the main motor B1;
the other end of the main motor B1 is connected with a zero line of 220V alternating current;
the base electrode of the triode Q1 is connected with the cathode of the diode D2, and the emitter electrode of the triode Q is grounded;
one end of the capacitor C3 is connected with the base electrode of the triode Q1, and the other end of the capacitor C is grounded;
the anode of the diode D2 is connected with one end of the shutdown button switch S2, and the other end of the shutdown button switch S2 is grounded;
the positive electrode of the diode D3 is connected with the negative electrode of the coil of the relay J2, and the negative electrode of the diode D is connected with the positive electrode of the coil of the relay J2;
the 3 pin of the optocoupler U1 is connected with the anode of the diode D2, the 4 pin of the optocoupler U is connected with the resistor R2 and one end of the capacitor C1, the other end of the resistor R2 is connected with 13V voltage, and the other end of the capacitor C1 is grounded;
The magnetic seat power supply circuit module comprises: rectifier bridge D9, resistor R3, diode D5, diode D6, diode D7, diode D8, diode D10 and said magnet holder P3;
the input end of the rectifier bridge D9 is connected with 220V alternating current, the output positive electrode and the negative electrode of the rectifier bridge D9 are respectively connected with one end of the magnetic seat P3 and the positive electrode of the diode D10, and the output positive electrode of the rectifier bridge D9 is respectively connected with the negative electrode of the diode D5, the positive electrode of the diode D6 and the 1 pin of the optocoupler U1;
the positive pole of the diode D5 is a phase line of 220V alternating current;
the anode of the diode D7 is connected with the cathode of the diode D6, and the cathode of the diode D7 is connected with the anode of the diode D8;
the negative electrode of the diode D8 is respectively connected with one end of the resistor R3, the negative electrode of the diode D10 and the other end of the magnetic seat P3;
the other end of the resistor R3 is connected with the 2 pin of the optical coupler U1;
the main motor overcurrent protection circuit module comprises: the transformer L2, the diode D12, the resistor R4, the electrolytic capacitor C4, the resistor R15, the comparator U4A, the potentiometer R5, the diode D13, the resistor R6, the silicon controlled rectifier Q2, the light emitting diode D14, the resistor R7, the diode D15, the optocoupler U2, the comparator U3A, the resistor R18, the electrolytic capacitor C8, the capacitor C5, the resistor R16 and the resistor R17;
One end of the transformer L2 is grounded, the other end of the transformer L2 is connected with the anode of the diode D12, and the cathode of the diode D12 is respectively connected with one end of the resistor R15, one end of the resistor R4 and the anode of the electrolytic capacitor C4;
the negative electrode of the electrolytic capacitor C4 is grounded;
the other end of the resistor R4 is connected with the positive input end of the comparator U4A, the reverse input end of the comparator U4A is connected with the sliding end of the potentiometer R5, and the output end of the comparator U4A is connected with the positive electrode of the diode D13;
the other two ends of the potentiometer R5 are respectively grounded and have 5V voltage;
the negative electrode of the diode D13 is connected with the control electrode of the controlled silicon Q2 through the resistor R6, the positive electrode of the controlled silicon Q2 is connected with the negative electrode of the light-emitting diode D14, and the negative electrode of the controlled silicon Q2 is connected with the positive electrode of the diode D15 through the resistor R7;
the positive electrode of the light-emitting diode D14 is connected with 13V voltage;
the cathode of the diode D15 is connected with the 1 pin of the optocoupler U2, the 2 pin and the 3 pin of the optocoupler U2 are grounded, and the 4 pin of the optocoupler U2 is connected between the shutdown button switch S2 and the anode of the diode D2;
the other end of the resistor R15 is connected with the positive input end of the comparator U3A, the reverse input end of the comparator U3A is grounded through the resistor R16, the output end of the comparator U3A is connected with the resistor R18, and the reverse input end of the comparator U3A is connected to the output end of the comparator U3A through the resistor R17;
The positive electrode of the electrolytic capacitor C8 is connected with the other end of the resistor R18, and the negative electrode of the electrolytic capacitor C is grounded;
one end of the capacitor C5 is grounded, and the other end of the capacitor C is connected with the positive input end of the comparator U4A;
the magnetic induction display circuit module comprises: the Hall sensor P2, the resistor R8, the capacitor C7, the comparator U4B, the potentiometer R9, the resistor R10, the triode Q3, the resistor R13, the resistor R11, the resistor R14, the triode Q4, the light emitting diode D16, the resistor R12 and the light emitting diode D17;
the 1 port of the Hall sensor P2 is connected with 5V voltage, the 2 port is grounded, and the 3 port is connected to the reverse input end of the comparator U4B through the resistor R8;
the positive input end of the comparator U4B is connected with the sliding end of the potentiometer R9, and the other two ends of the potentiometer R9 are respectively grounded and have 5V voltage;
one end of the capacitor C7 is connected with the reverse input end of the comparator U4B, and the other end of the capacitor C is grounded;
the output end of the comparator U4B is connected with the base electrode of the triode Q3 through the resistor R10, the emitter electrode of the triode Q3 is grounded, and the collector electrode of the triode Q3 is connected with the base electrode of the triode Q4 and the negative electrode of the light-emitting diode D16 through the resistor R13 and the resistor R11 respectively;
the positive electrode of the light-emitting diode D16 is connected with 13V voltage;
The resistor R12 is connected with two ends of the light-emitting diode D16;
the emitter of the triode Q4 is grounded, the collector of the triode Q4 is connected to the negative electrode of the light-emitting diode D17 through the resistor R14, and the positive electrode of the light-emitting diode D17 is connected with 13V voltage;
the feeding rotation speed adjusting circuit module comprises an adjustable power supply U5, a resistor R19, a diode D19, a band switch S3, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a diode D18, a diode D20, a capacitor C9, an electrolytic capacitor C10 and a capacitor C11;
the input end of the adjustable power supply U5 is connected with the coil positive electrode of the relay J1, and the adjustment end of the adjustable power supply U is connected with the band switch S3;
two ends of the resistor R19 are respectively connected to the output end and the adjusting end of the adjustable power supply U5;
the anode and the cathode of the diode D19 are respectively connected with the adjusting end and the output end of the adjustable power supply U5;
each gear of the band switch S3 is grounded through the resistor R20, the resistor R21, the resistor R22, the resistor R23, the resistor R24 and the resistor R25 respectively;
one end of the resistor R26 is connected with the adjusting end of the adjustable power supply U5, and the other end of the resistor R is grounded;
the negative electrode of the diode D18 is connected with the input end of the adjustable power supply U5, and the positive electrode of the diode D is connected with the output end of the adjustable power supply U5;
The negative electrode of the diode D20 is connected with the output end of the adjustable power supply U5, and the positive electrode of the diode D is grounded;
one end of the capacitor C9 is connected with the input end of the adjustable power supply U5, and the other end of the capacitor C is grounded;
the positive electrode of the electrolytic capacitor C10 is connected with the output end of the adjustable power supply U5, and the negative electrode of the electrolytic capacitor C is grounded;
one end of the capacitor C11 is connected with the adjusting end of the adjustable power supply U5, and the other end of the capacitor C is grounded;
the intermittent feed control circuit module includes: darlington tube Q5, time base circuit chip U7, capacitor C12, resistor R29, capacitor C14, resistor R28, resistor R27, electrolytic capacitor C13, and resistor R30;
the 1 pin and the 6 pin of the time base circuit chip U7 are grounded, the 2 pin and the 6 pin are connected with the capacitor C14, the 3 pin is connected to the base electrode of the Darlington tube Q5 through the resistor R29, the 4 pin and the 8 pin are connected with 5V voltage, and the 5 pin is grounded through the capacitor C12;
the other end of the capacitor C14 is grounded;
two ends of the resistor R28 are respectively connected with the 6 pin and the 7 pin of the time base circuit chip U7;
two ends of the resistor R27 are respectively connected with the pin 7 and the pin 8 of the time base circuit chip U7;
the positive electrode of the electrolytic capacitor C13 is connected with the 4 pin of the time-base circuit chip U7, and the negative electrode of the electrolytic capacitor C is grounded;
the collector of the Darlington tube Q5 is connected with the feed motor B2, and the emitter of the Darlington tube Q is grounded through the resistor R30;
The other end of the feeding motor B2 is connected with the output end of the adjustable power supply U5;
the feed motor overcurrent protection circuit module includes: resistor R31, operational amplifier U9A, resistor R45, resistor R46, electrolytic capacitor C16, electrolytic capacitor C15, resistor R47, diode D21, resistor R32, resistor R33, electrolytic capacitor C17, comparator U6B, resistor R36, diode D22, resistor R34, resistor R35 and capacitor C18;
the positive input end of the operational amplifier U9A is connected to the emitter of the Darlington tube Q5 through the resistor R31, and the negative input end of the operational amplifier U9A is grounded through the resistor R45 and is connected with the output end of the operational amplifier U9A through the resistor R46;
the positive electrode of the electrolytic capacitor C15 is connected with the emitter electrode of the Darlington tube Q5, and the negative electrode of the electrolytic capacitor C is grounded;
the positive electrode of the electrolytic capacitor C16 is connected with the positive input end of the operational amplifier U9A, and the negative electrode of the electrolytic capacitor C is grounded;
the output end of the operational amplifier U9A is connected with the anode of the diode D21 through the resistor R47;
the cathode of the diode D21 is grounded through the resistor R32 and the resistor R33;
the positive electrode of the electrolytic capacitor C17 is connected with the positive input end of the comparator U6B, and the negative electrode of the electrolytic capacitor C is grounded;
The positive input end of the comparator U6B is connected between the resistor R32 and the resistor R33, the negative input end of the comparator U6B is connected with 5V voltage and ground through the resistor R34 and the resistor R35 respectively, one end of the capacitor C18 is grounded, the other end of the capacitor C18 is connected with 5V voltage, the output end of the comparator U6B is connected with the positive electrode of the diode D22 through the resistor R36, and the negative electrode of the diode D22 is connected with the 1 pin of the optocoupler U2;
the main motor drill through shutdown circuit module comprises: comparator U6A, diode D23, resistor R38, resistor R37, resistor R39, resistor R40, electrolytic capacitor C19, resistor R41, diode D24, thyristor Q6, capacitor C20, comparator U8A, resistor R42, capacitor C21, resistor R44, diode D25, potentiometer R43 and capacitor C22;
the positive input end of the comparator U6A is grounded through the resistor R38 and the resistor R37;
the anode of the diode D23 is connected with the anode of the diode D21, and the cathode of the diode D is connected between the resistor R38 and the resistor R37;
the positive electrode of the electrolytic capacitor C19 is connected with the positive input end of the comparator U6A, and the negative electrode of the electrolytic capacitor C is grounded;
the reverse input end of the comparator U6A is respectively connected with 5V voltage through the resistor R39 and grounded through the resistor R40, and the output end of the comparator U6A is connected with the anode of the diode D24 through the resistor R41;
The negative electrode of the diode D24 is connected with the control electrode of the controllable silicon Q6;
one end of the capacitor C20 is connected with the control electrode of the controllable silicon Q6, and the other end of the capacitor C is grounded;
the positive electrode of the silicon controlled rectifier Q6 is connected with the positive electrode of the coil of the relay J1, the negative electrode of the silicon controlled rectifier Q6 is respectively connected with the power supply end of the comparator U8A, the resistor R42 and one end of the capacitor C21, and the resistor R42 and the other end of the capacitor C21 are grounded;
the output end of the comparator U8A is connected with the positive electrode of the diode D25 through the resistor R44, the negative electrode of the diode D25 is connected with the 1 pin of the optocoupler U2, the reverse input end of the comparator U8A is connected with the positive electrode of the electrolytic capacitor C8, and the positive input end of the comparator U8A is connected with the sliding end of the potentiometer R43;
one end of the other two ends of the potentiometer R43 is grounded, and the other end of the potentiometer R is connected with 5V voltage;
one end of the capacitor C22 is grounded, and the other end is connected with 5V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111590577.9A CN114285333B (en) | 2021-12-23 | 2021-12-23 | Automatic feeding magnetic base drilling machine control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111590577.9A CN114285333B (en) | 2021-12-23 | 2021-12-23 | Automatic feeding magnetic base drilling machine control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114285333A CN114285333A (en) | 2022-04-05 |
| CN114285333B true CN114285333B (en) | 2024-04-02 |
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| CN202111590577.9A Active CN114285333B (en) | 2021-12-23 | 2021-12-23 | Automatic feeding magnetic base drilling machine control circuit |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU968875A2 (en) * | 1980-12-29 | 1982-10-23 | Тульский Ордена Трудового Красного Знамени Политехнический Институт | Device for automatic protection of drilling machine rotating dvel motor from overload |
| CN2799134Y (en) * | 2005-06-30 | 2006-07-26 | 吴彤 | Dual-engine double-controlling magnetic drill |
| CN201018273Y (en) * | 2007-01-24 | 2008-02-06 | 升山工业股份有限公司 | Three-phase motor phase-lack protection and indication equipment of portable magnetic drill tapping machine |
| CN201234120Y (en) * | 2008-07-29 | 2009-05-06 | 吉增权 | Novel comprehensive protector for mining coal drill |
| CN201366528Y (en) * | 2009-01-09 | 2009-12-23 | 胡明强 | Double-unit automatic magnetic drill |
| CN104407543A (en) * | 2014-11-10 | 2015-03-11 | 乐清市杰拉华电器有限公司 | Speed regulating switch of electric tool |
| CN113224985A (en) * | 2021-05-07 | 2021-08-06 | 上海器外文化科技有限公司 | Electric drill and control circuit thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5534327B2 (en) * | 2010-05-19 | 2014-06-25 | 日立工機株式会社 | Electric tool |
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2021
- 2021-12-23 CN CN202111590577.9A patent/CN114285333B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU968875A2 (en) * | 1980-12-29 | 1982-10-23 | Тульский Ордена Трудового Красного Знамени Политехнический Институт | Device for automatic protection of drilling machine rotating dvel motor from overload |
| CN2799134Y (en) * | 2005-06-30 | 2006-07-26 | 吴彤 | Dual-engine double-controlling magnetic drill |
| CN201018273Y (en) * | 2007-01-24 | 2008-02-06 | 升山工业股份有限公司 | Three-phase motor phase-lack protection and indication equipment of portable magnetic drill tapping machine |
| CN201234120Y (en) * | 2008-07-29 | 2009-05-06 | 吉增权 | Novel comprehensive protector for mining coal drill |
| CN201366528Y (en) * | 2009-01-09 | 2009-12-23 | 胡明强 | Double-unit automatic magnetic drill |
| CN104407543A (en) * | 2014-11-10 | 2015-03-11 | 乐清市杰拉华电器有限公司 | Speed regulating switch of electric tool |
| CN113224985A (en) * | 2021-05-07 | 2021-08-06 | 上海器外文化科技有限公司 | Electric drill and control circuit thereof |
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| CN114285333A (en) | 2022-04-05 |
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