CN211890433U - Control circuit for honing machine - Google Patents
Control circuit for honing machine Download PDFInfo
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- CN211890433U CN211890433U CN201922486480.8U CN201922486480U CN211890433U CN 211890433 U CN211890433 U CN 211890433U CN 201922486480 U CN201922486480 U CN 201922486480U CN 211890433 U CN211890433 U CN 211890433U
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Abstract
The utility model relates to a honing process technical field is a control circuit for honing machine particularly, including controller and touch-sensitive screen, still be connected with a plurality of ways of switch between touch-sensitive screen and the controller to the controller still is connected to two way converters, and spindle motor, spindle motor braking resistor and mechanical type time-recorder are connected to the converter of the same kind, and stroke motor braking resistor are connected to another way converter, and two way converters still are connected to a voltage signal simulation chip respectively. The utility model provides a control circuit for honing machine has solved the program line fault rate of original use height, components and parts are special, can't show after the trouble that detailed trouble content restores the difficult problem, has newly increased touch-sensitive screen structure and a plurality of ways of switch, can control and operate each part of lathe, and the circuit structure is clear, is convenient for change and adjust each part, has satisfied the control requirement of present stage lathe and the redevelopment of lathe function from now on.
Description
Technical Field
The utility model relates to a honing processing technology field is a control circuit for honing machine particularly.
Background
Compared with other honing machines, the American ML-2100 honing machine has the characteristics of small volume, flexible processing, excellent performance and the like, and is widely applied to the honing processing industry, and the maximum processing workpiece diameter of the ML-2100 honing machine is 165.1mm (51 mm when an automatic measuring device ASC is used). A motor M1 with power of 3HP and rotation speed of 1450r/min is used to drive the main shaft of machine tool to rotate in single direction. The stroke movement of the machine is driven by a motor M2 with a power of 1.5HP and a speed of 1450 r/min. Also, during the honing process, the honing tool generates a large amount of heat, and needs to be cooled by the coolant, so that it needs to be cooled by a 0.3HP cooling pump M3.
Therefore, it is necessary to provide a dedicated PLC control circuit for each component of the ML-2100 type honing machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the not enough of prior art, provide a control circuit for honing machine, realize the control to ML-2100 type honing machine effectively.
In order to achieve the above object, a control circuit for a honing machine is designed, which comprises a controller and a touch screen, the controller is connected with the touch screen through an RS-422 interface, a plurality of switches are connected between the touch screen and the controller to control the honing machine through the touch screen, and the controller is also connected with two paths of frequency converters, one path of frequency converter is connected with the spindle motor, the spindle motor braking resistor and the mechanical timer, the other path of frequency converter is connected with the stroke motor and the stroke motor braking resistor, the two frequency converters are also respectively connected to a voltage signal simulation chip, the controller, the touch screen and the two frequency converters are respectively connected to the fusing integrated switch through a three-phase circuit and then connected to a power supply, and the rear side of the fusing integrated switch is also connected with a three-phase thermal relay and then connected to a cooling pump.
The three-phase output end of the power supply is connected with a fusing integrated switch, the fusing integrated switch controls the switch of the fusing integrated switch, a three-phase circuit is arranged on the rear side of the fusing integrated switch and is respectively connected with the controller, the touch screen and the two paths of frequency converters, the three-phase circuit is respectively connected with an industrial power supply connector after being sequentially connected with a fuse, a main power supply contactor and a three-phase thermal relay in series, and a power supply wiring of the cooling pump can be connected onto the industrial power supply connector in an inserting mode.
And a circuit is led out from a three-phase circuit at the rear side of the fusing integrated switch and is connected with the honing oil filter after being connected with the fuse.
The positive end of the touch screen is connected with one end of a plurality of paths of switches and then connected between a power on key and a power off key and one end of a main power contactor 1M-4, a circuit is led out to serve as a TB30-4 connecting end, the other ends of the plurality of paths of switches are connected to the controller, the other end of the main power contactor 1M-4 is connected between an emergency stop button and the power on key, the emergency stop button, the power on key and the power off key are sequentially connected in series front and back, a TB30-2 connecting end is arranged at the front end of the emergency stop button, the negative end of the touch screen is connected to one end of a machine tool power indicator, and the other end of the machine tool power indicator is connected to the TB.
The TB30-4 connecting end is further connected to the voltage input end of the differential transformer control panel, the differential transformer control panel is connected with a differential transformer, the differential transformer control panel is respectively connected with the positive pole and the negative pole of a panel indicator through two-way ports and is connected to a four-way wiring machine through four-way ports, the output end of the four-way wiring machine is connected to the positive pole of the panel indicator to switch the measuring range of the indicator, meanwhile, the differential transformer control panel is further connected with the input signal of the controller, and one port of the differential transformer control panel is connected to one end of the machine tool power indicator.
One end of the machine tool power supply indicator lamp is also connected with one end of a power supply contactor with a reverse surge protector, two ends of the power supply contactor with the reverse surge protector are connected with LED indicator lamps in parallel, and the other end of the power supply contactor with the reverse surge protector is connected to the TB30-2 connecting end.
The machine tool power supply indicator lamp is characterized in that one end of the machine tool power supply indicator lamp is also provided with a circuit which is sequentially connected with a main power supply contactor and a cooling pump heat protection contact in series and then is connected to one ends of the switches which are far away from the controller.
A line led OUT from a three-phase circuit on the rear side of the fusing integrated switch is connected with a fuse and then connected to a switching power supply 1PS, an OUT + end of the switching power supply 1PS is connected to a TB30-2 connecting end, and an OUT-end of the switching power supply 1PS is grounded.
A line is led out from a three-phase circuit at the rear side of the fusing integrated switch and is connected with a main power supply contactor and a fuse, a three-phase circuit is led out between the main power supply contactor and the fuse and is connected with three-phase input ends of two paths of frequency converters, a three-phase output end of a first path of frequency converter is connected with a main shaft motor, a main shaft motor braking resistor is connected in series between a port B1 and a port B2 of the first path of frequency converter, the rear side of a port P1 of the first path of frequency converter is connected in series with a mechanical timer and then is connected to a connecting end TB30-4, a PC end and an SC end of the first path of frequency converter are connected and then are connected with a PC end of a second path of frequency converter and one end of a normally closed contact 9CR-NC and are grounded, a end P2 of the first path of frequency converter is connected with the other end of the normally closed contact 9CR-NC, an end S3 end of the, the other end of the normally closed contact 1M-NC is connected to the controller, the S1 end of the first inverter is connected to the Y7 end of the controller, the A1 end and the AC end of the first inverter are respectively connected to the CH 1V + end and the CH 1V-end of the voltage signal simulation chip, the SHIELD end of the first inverter is connected between the A1 end and the AC end of the first inverter through shielded cables, the stroke motor braking resistor is connected in series between the B1 end and the B2 end of the second inverter, the three-phase output end of the second inverter is connected to the stroke motor, the A1 end and the AC end of the second inverter are respectively connected to the CH 2V + end and the CH 2V-end of the voltage signal simulation chip, the SHIELD end of the second inverter is connected between the A1 end and the AC end of the second inverter through shielded cables, and the S1 end of the second inverter is connected to the Y6 end of the controller, the S7 end of the second path of frequency converter is connected to the Y5 end of the controller, and the shielded cable is used for transmitting 0-10V analog quantity to the frequency converter.
Beneficial effects of the utility model
The utility model provides an advantage of a control circuit for honing machine includes but not limited to: the utility model provides a control circuit for honing machine has solved the program line fault rate of original use height, components and parts are special, can't show after the trouble that detailed trouble content restores the difficult problem, has newly increased touch-sensitive screen structure and a plurality of ways of switch, can control and operate each part of lathe, and the circuit structure is clear, is convenient for change and adjust each part, has satisfied the control requirement of present stage lathe and the redevelopment of lathe function from now on.
Drawings
Fig. 1 is an electrical schematic diagram 1 of a control circuit for a honing machine according to the present invention.
Fig. 2 is an electrical schematic diagram 2 of a control circuit for a honing machine according to the present invention.
Detailed Description
The structure and principle of the circuit will be apparent to those skilled in the art, and for convenience of drawing the circuit diagram, the ports of some components are separately drawn at different places, for example, the ports of the controller are respectively drawn at three places, FX3U-32MT1/3, FX3U-32MT2/3, and FX3U-32MT 3/3. Moreover, the description drawing contains a plurality of jump marks, such as to-page 2A-4, which refer to jump to the position with the abscissa A and the ordinate 4 in FIG. 1; for another example to 9-Z, the user jumps to a position with ordinate 9 and abscissa Z in the figure. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, in the present embodiment, the main components of the circuit include a controller, a touch screen, a two-way frequency converter, a voltage signal analog chip, and the like, the controller uses a mitsubishi FX3U-32MT/DS programmable controller as a controller, and the I/O distribution of the controller is shown in table 1.
TABLE 1
In the embodiment, the model of the two-way frequency converter is Anchuan V1000, and the 0-10V speed analog voltage signals required by the 1VFD and the 2VFD of the two-way frequency converter are provided by an FX3U-4DA special function module of Mitsubishi corporation, which is a module for converting 16-bit 2-system digital signals (0 to 64000) into analog voltage and outputting the analog voltage, and has two output modes, namely voltage output and current output. In the present embodiment, voltage output is used, and the technical parameters thereof are shown in table 2.
TABLE 2
The touch screen adopts a GS2107-WTBD 7 inch TFT color touch screen of Mitsubishi company, has clear picture, large visible area and reasonable price, and can be used as a machine tool operation man-machine interface.
The controller and the touch screen are connected through RS-422 interfaces of the controller and the touch screen through data connecting lines so as to realize connection, a plurality of switches are connected between the touch screen and the controller so as to control the honing machine through the touch screen, the controller is also connected to two paths of frequency converters Anchuan V1000, one path of frequency converter is connected with a spindle motor, a spindle motor braking resistor and a mechanical timer, the other path of frequency converter is connected with a stroke motor and a stroke motor braking resistor, the two paths of frequency converters Anchuan V1000 are also respectively connected to a voltage signal simulation chip, shielding cables are respectively arranged between the two paths of frequency converters Anchuan V1000 and the voltage signal simulation chip, the controller, the touch screen and the two paths of frequency converters Anchuan V1000 are respectively connected to a fusing integrated switch through three-phase circuits and then are connected to a power supply, and the rear side of the fusing integrated switch is also connected with a three-phase thermal relay and then connected to a cooling pump.
The positive end of the touch screen is connected with one end of a plurality of paths of switches and then connected between a power on key and a power off key and one end of a main power contactor 1M-4, a circuit is led out to serve as a TB30-4 connecting end, the other ends of the plurality of paths of switches are connected to the controller, the other end of the main power contactor 1M-4 is connected between an emergency stop button and the power on key, the emergency stop button, the power on key and the power off key are sequentially connected in series front and back, a TB30-2 connecting end is arranged at the front end of the emergency stop button, the negative end of the touch screen is connected to one end of a machine tool power indicator, and the other end of the machine tool power indicator is connected to the TB.
The TB30-4 connecting end is also connected to the voltage input end of the differential transformer control board, the differential transformer control board is connected with a differential transformer, the differential transformer control board is respectively connected with the positive pole and the negative pole of a panel indicator through two-way ports TB42-4 and TB42-3, and is connected to a four-way wire connector through four-way ports TB42-5, TB42-6, TB42-7 and TB42-8, the output end of the four-way wire connector is connected to the positive pole of the panel indicator to switch the range of the indicator, meanwhile, the differential transformer control board is also connected with a COM1 end, a COM2 end, a COM3 end, a COM4 end, an S/S end and a-end of the controller through a TB42-10 port, and the TB42-10 port of the differential transformer control board is also connected to one end of the machine tool power indicator lamp. And preferably, the TB42-10 port of the differential transformer control board is further connected with one end of a power contactor with a reverse surge protector, two ends of the power contactor with the reverse surge protector are connected in parallel with an LED indicator lamp, and the other end of the power contactor with the reverse surge protector is connected to the TB30-2 connection end.
The switches are respectively connected with corresponding ports of the controller, so as to perform functions of zero-position shutdown, tool rising and starting, automatic measurement of ASC aperture and the like, and the functions are shown in table 1. One end of each of the switches is connected to the controller, and the other end of each of the switches is connected to the TB30-4 connection end after being connected with one end of the cooling pump thermal protection contact. And the other end of the cooling pump thermal protection contact is connected with one end of the machine tool power indicator lamp after being connected with a main power contactor in series.
And the TB30-2 connection end is connected in series with a fuse and then connected to the OUT + end of the switching power supply 1PS, the OUT-end of the switching power supply 1PS is grounded, and the L1, L2 and L3 ends of the switching power supply 1PS are respectively connected to the fusing integrated switch through outgoing lines.
In this embodiment, a line is led out from a three-phase circuit on the rear side of the fusing integrated switch, the fusing integrated switch is connected to a three-phase thermal relay after being connected with a main power contactor, the three-phase thermal relay is connected to an industrial power connector after being connected with the main power contactor, and a power connection wire of the cooling pump can be plugged in the industrial power connector, so that the cooling pump is connected with the control circuit.
In addition, a three-phase circuit is led out between a fuse and a main power supply contactor, wherein the fuse is connected with a line on a three-phase circuit at the rear side of the fusing integrated switch, the three-phase circuit is connected with the ends L1, L2 and L3 of the switching power supply, the three-phase input ends of the two paths of frequency converters Anchuan V1000, the main power supply contactor and the fuse are further connected in series between the three-phase input ends of the two paths of frequency converters Anchuan V1000, the three-phase output end of the first path of frequency converter is connected with a spindle motor, a spindle motor braking resistor 387 is connected in series between the port B1 and the port B2 of the first path of frequency converter, the rear side of the port P2 of the first path of frequency converter is connected with a mechanical timer in series and then connected with a connecting end 30-4, the PC end and the end SC end of the first path of frequency converter are connected with the port PC end of the second path of the frequency converter and one end of a normally, An S3 end of the first frequency converter, one end of a normally closed contact 1M-NC, a P2 end of the second frequency converter and a PB1-4 end of the controller, the other end of the normally closed contact 1M-NC is connected on the controller, an S1 end of the first frequency converter is connected to a Y7 end of the controller, an A1 end and an AC end of the first frequency converter are respectively connected to a CH 1V + end and a CH 1V-end of the voltage signal simulation chip, a SHIELD end of the first frequency converter is connected between the A1 end and the AC end of the first frequency converter through a shielded cable, a stroke motor braking resistor is connected in series between a B1 end and a B2 end of the second frequency converter, a three-phase output end of the second frequency converter is connected to a stroke motor, an A1 end and an AC end of the second frequency converter are respectively connected to a CH 2V + end and a CH 2V-end of the voltage signal simulation chip, and a SHIELD end of the second frequency converter is connected between a1 end and the AC end of the second frequency converter through a shielded cable, and the S1 end of the second channel of frequency converter is connected to the Y6 end of the controller, the S7 end of the second channel of frequency converter is connected to the Y5 end of the controller, and the shielded cable is used for transmitting 0-10V analog quantity to the frequency converter.
In the embodiment, the type of the fusing integrated switch is 1DISC, which is used as a main switch of a machine tool power supply, the type of the three-phase thermal relay is 10L, which is used for providing thermal protection for a cooling pump, the type of the mechanical timer is 1TMR, which is used for recording the running time of the machine tool, the type of the normally closed contact of the power contactor is 1M-NC, which is used for transmitting a power-off emergency stop signal (such as under the condition of sudden power failure) to a frequency converter, the type of the switching power supply is 1PS, which is used for converting AC380V supplied power to a complete machine control circuit into a DC24V switching power supply, the type of the emergency stop button is PB1, which is used for emergency stop in an abnormal state, the type of the intermediate relay is 9CR, which is used as a power-off delay relay to delay the power-off of the frequency converter power supply when the power is off, so that a motor can effectively brake the emergency, the power supply contactor with the reverse surge protector is 1M in model and used as a main power supply contactor.
Claims (9)
1. A control circuit for a honing machine is characterized by comprising a controller and a touch screen, wherein the controller and the touch screen are connected through an RS-422 interface, a plurality of switches are connected between the touch screen and the controller to control the honing machine through the touch screen, and the controller is also connected with two paths of frequency converters, one path of frequency converter is connected with the spindle motor, the spindle motor braking resistor and the mechanical timer, the other path of frequency converter is connected with the stroke motor and the stroke motor braking resistor, the two frequency converters are also respectively connected to a voltage signal simulation chip, the controller, the touch screen and the two frequency converters are respectively connected to the fusing integrated switch through a three-phase circuit and then connected to a power supply, and the rear side of the fusing integrated switch is also connected with a three-phase thermal relay and then connected to a cooling pump.
2. The control circuit for the honing machine according to claim 1, wherein the three-phase output terminal of the power supply is connected to a fuse-integrated switch, and the switch of the fuse-integrated switch is controlled by the fuse-integrated switch, the rear side of the fuse-integrated switch is connected to the controller, the touch screen and the two-way inverter, respectively, and the three-phase circuit is connected to an industrial power supply connector after being sequentially connected to the fuse, the main power contactor and the three-phase thermal relay in series, respectively, and the power connection of the cooling pump is pluggable to the industrial power supply connector.
3. The control circuit for the honing machine according to claim 1, wherein the three-phase circuit at the rear side of the fusing integrated switch is connected with the honing oil filter after being connected with the fuse.
4. The control circuit for the honing machine as claimed in claim 1, wherein the positive terminal of the touch screen is connected to one terminal of a plurality of switches and then connected between the power on button and the power off button and one terminal of the main power contactor 1M-4, and a wiring is led out as a TB30-4 connection terminal, the other terminals of the plurality of switches are connected to the controller, the other terminal of the main power contactor 1M-4 is connected between the emergency stop button and the power on button, the emergency stop button, the power on button and the power off button are sequentially connected in series, and the front terminal of the emergency stop button is provided with a TB30-2 connection terminal, the negative terminal of the touch screen is connected to one terminal of the machine tool power indicator, and the other terminal of the machine tool power indicator is connected to the TB30-4 connection terminal.
5. The control circuit for honing machine of claim 4, wherein the TB30-4 connection terminal is further connected to a voltage input terminal of a differential transformer control board, the differential transformer control board is connected to a differential transformer, and the differential transformer control board is connected to the positive and negative poles of a panel indicator through two ports, respectively, and is connected to a four-way wiring machine through four ports, an output terminal of the four-way wiring machine is connected to the positive pole of the panel indicator to switch the range of the indicator, and the differential transformer control board is further connected to a signal input terminal of the controller, and a port of the differential transformer control board is connected to one end of the power indicator lamp of the machine tool.
6. The control circuit for a honing machine according to claim 5, wherein one end of the machine tool power supply indicator lamp is further connected with one end of a power supply contactor with a reverse surge protector, both ends of the power supply contactor with the reverse surge protector are connected in parallel with an LED indicator lamp, and the other end of the power supply contactor with the reverse surge protector is connected to the TB30-2 connection terminal.
7. The control circuit of claim 5, wherein the machine tool power indicator is further wired at one end thereof to an end of the plurality of switches remote from the controller after being serially connected to a main power contactor and a cooling pump thermal protection contact in sequence.
8. The control circuit for the honing machine according to claim 4, wherein the three-phase circuit at the rear side of the fusing integrated switch is connected to a switching power supply 1PS by leading OUT a line connection fuse, an OUT + terminal of the switching power supply 1PS is connected to a TB30-2 connection terminal, and an OUT-terminal of the switching power supply 1PS is grounded.
9. The control circuit for honing machine of claim 4, wherein the three-phase circuit at the rear side of the fuse-integrated switch is connected to a main power contactor and a fuse, the three-phase circuit between the main power contactor and the fuse is connected to three-phase input terminals of two-way frequency converters, the three-phase output terminal of the first frequency converter is connected to the spindle motor, the spindle motor braking resistor is connected in series between the port B1 and the port B2 of the first frequency converter, the mechanical timer is connected in series at the rear side of the port P1 of the first frequency converter and then connected to the connection terminal TB30-4, the PC terminal and the SC terminal of the first frequency converter are connected and then connected to the PC terminal of the second frequency converter and one end of the normally closed contact 9CR-NC and then connected to the ground, the P2 terminal of the first frequency converter is connected to the other end of the normally closed contact 9CR-NC, the end S3 terminal of the first frequency converter, one end of a normally closed contact 1M-NC, a P2 end of a second path of frequency converter and a PB1-4 end of a controller, the other end of the normally closed contact 1M-NC is connected on the controller, an S1 end of the first path of frequency converter is connected to a Y7 end of the controller, an A1 end and an AC end of the first path of frequency converter are respectively connected to a CH 1V + end and a CH 1V-end of a voltage signal simulation chip, a SHIELD end of the first path of frequency converter is connected between an A1 end and an AC end of the first path of frequency converter through shielded cables, a stroke motor braking resistor is connected in series between a B1 end and a B2 end of the second path of frequency converter, a three-phase output end of the second path of frequency converter is connected to a stroke motor, an A1 end and an AC end of the second path of frequency converter are respectively connected to a CH 2V + end and a CH 2V-end of the voltage signal simulation chip, and a SHIELD end of the second path of frequency converter is connected between an A1 end and an, and the S1 end of the second channel of frequency converter is connected to the Y6 end of the controller, the S7 end of the second channel of frequency converter is connected to the Y5 end of the controller, and the shielded cable is used for transmitting 0-10V analog quantity to the frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922486480.8U CN211890433U (en) | 2019-12-31 | 2019-12-31 | Control circuit for honing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922486480.8U CN211890433U (en) | 2019-12-31 | 2019-12-31 | Control circuit for honing machine |
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| Publication Number | Publication Date |
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| CN211890433U true CN211890433U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922486480.8U Active CN211890433U (en) | 2019-12-31 | 2019-12-31 | Control circuit for honing machine |
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| CN (1) | CN211890433U (en) |
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2019
- 2019-12-31 CN CN201922486480.8U patent/CN211890433U/en active Active
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