CN107505912B - Electric control system of hydraulic turntable and control method thereof - Google Patents
Electric control system of hydraulic turntable and control method thereof Download PDFInfo
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- CN107505912B CN107505912B CN201710923621.0A CN201710923621A CN107505912B CN 107505912 B CN107505912 B CN 107505912B CN 201710923621 A CN201710923621 A CN 201710923621A CN 107505912 B CN107505912 B CN 107505912B
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000003921 oil Substances 0.000 claims description 53
- 238000005086 pumping Methods 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/188—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by special applications and not provided for in the relevant subclasses, (e.g. making dies, filament winding)
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/41—Servomotor, servo controller till figures
- G05B2219/41318—Electro hydraulic drive, electric motor drives hydraulic actuator
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an electric control system of a hydraulic turntable and a control method thereof, wherein the electric control system comprises a numerical control system, a hydraulic station, a hydraulic turntable, an I/O module, a servo driving device and a servo motor, wherein the I/O module is connected with a relay module; the hydraulic tool structure is provided with a workpiece clamping in-place proximity switch and a workpiece loosening in-place proximity switch. The invention can effectively solve the problems that a large amount of mechanical operation and control are still used in the operation of the existing fixture, the operation mode not only increases the labor capacity of workers, but also can not fully exert the efficient processing characteristic of the numerical control machine tool, and the resource is wasted.
Description
Technical Field
The invention relates to the field of hydraulic turntable control, in particular to an electric control system and a control method of a hydraulic turntable.
Background
At present, in the operation of the existing fixture, a large amount of mechanical operation and control are still used, and the operation mode not only increases the labor capacity of workers, but also cannot fully exert the efficient processing characteristics of the numerical control machine tool, so that the resource waste is caused.
Disclosure of Invention
The invention aims to provide an electric control system of a hydraulic turntable and a control method thereof, which solve the problems that a large number of mechanical operations and controls are still used in the operation of the existing fixture, the operation mode not only increases the labor capacity of workers, but also can not fully exert the efficient processing characteristics of a numerical control machine tool and cause the waste of resources.
The technical scheme adopted for solving the technical problems is as follows: the electric control system of the hydraulic turntable comprises a numerical control system, a hydraulic station and a hydraulic turntable, wherein the numerical control system is connected with an I/O module and a servo driving device, the servo driving device is connected with a servo motor, the I/O module is connected with a relay module, the hydraulic station is provided with a hydraulic motor, the power input end of the hydraulic motor is connected with an alternating current contactor, the hydraulic turntable is provided with a turntable clamping structure connected with the servo motor, and the hydraulic turntable is further provided with a turntable clamping in-place proximity switch and a turntable loosening in-place proximity switch for judging the conditions of clamping in place and loosening in place of the turntable; the hydraulic turntable is also provided with a hydraulic tool structure matched with the workpiece to be processed, and the hydraulic tool structure is provided with a workpiece clamping in-place proximity switch and a workpiece loosening in-place proximity switch for judging the conditions of clamping in-place and loosening in-place of the workpiece; the hydraulic station is also provided with a turntable clamping loosening electromagnetic valve which is connected with the hydraulic motor and used for controlling the turntable clamping structure to clamp and loosen, and a tool clamping loosening electromagnetic valve which is connected with the hydraulic motor and used for controlling the hydraulic tool structure to clamp and loosen; the turntable clamping in-place proximity switch, the turntable loosening in-place proximity switch, the workpiece clamping in-place proximity switch, the workpiece loosening in-place proximity switch and the relay module are connected.
Further, the input end of the alternating current contactor is connected with a breaker for controlling the working state of the alternating current contactor, and the signal input end of the breaker is connected to a power grid power supply.
Further, the hydraulic tool structure comprises a tool clamp which is arranged on the turntable and is matched with the workpiece to be processed, the tool clamp is an oil cylinder, and the clamping and loosening action of the workpiece to be processed is realized through the movement of a piston of the oil cylinder; the hydraulic motor shaft end connection is provided with a pumping, the tool clamping loosening electromagnetic valve and the rotary table clamping loosening electromagnetic valve are connected through a hydraulic pipeline and the pumping, the hydraulic oil cylinder is provided with a tool loosening oil way and a tool clamping oil way which are connected with an oil outlet on the tool clamping loosening electromagnetic valve, and the rotary table is provided with a rotary table clamping loosening oil way which is connected with the oil outlet on the rotary table clamping loosening electromagnetic valve.
Furthermore, the electric control system of the hydraulic turntable further comprises a group of buttons which are connected with the input end of the relay module and used for controlling the turntable clamping structure and the hydraulic tool structure to clamp and loosen.
Preferably, the turntable clamping structure is a planar brake pad.
Furthermore, the relay module is an integrated electrical component, the structure is that a plurality of current relays are integrated on a PCB, diodes are inserted into the control lines of the coils of the relays, the unidirectional conduction performance is achieved, the wiring modes are divided into two types, one type is 0V, the other type is 24V, the cathodes of all the diodes are connected together, and the other type is 24V, and the anodes of all the diodes are connected together.
An electrical control method of a hydraulic turntable,
when the electric control system works, the hydraulic motor is connected through the circuit breaker and the contactor, the hydraulic motor drives the pumping to work, the pumping pumps hydraulic oil in the hydraulic station into related oil ways to provide hydraulic energy for clamping and loosening of the turntable and the clamp, and when the electric control system works, the hydraulic motor must work all the time to ensure enough hydraulic energy, and the oil ways comprise a tool clamping oil way, a tool loosening oil way and a turntable clamping and loosening oil way;
when the hydraulic turntable is required to rotate, the control system outputs a turntable loosening signal to the relay module through the I/O module, the relay module receives the signal and then turns on a relay coil of the relay module, then turns on an output contact of the relay module, and then turns on a turntable clamping and loosening electromagnetic valve; the system sends a pulse instruction to the servo drive, after the servo drive receives the instruction, the output end of the servo drive power supply outputs voltage to the servo motor, the servo motor rotates to drive the hydraulic turntable to rotate, the numerical control system outputs a turntable clamping signal to the relay module through the I/O module after the hydraulic turntable rotates in place, the relay module turns off a relay coil after receiving the signal and then turns off an output contact of the relay module, further turns off a turntable clamping and loosening electromagnetic valve, the turntable clamping and loosening electromagnetic valve is powered off, a turntable clamping and loosening oil way is turned off, hydraulic energy is turned off, the hydraulic turntable returns to a clamping state, after the hydraulic turntable is clamped in place, a turntable clamping and loosening approaching switch transmits a turntable clamping in place signal to the control system through the relay module and the I/O module, and after the numerical control system receives the turntable clamping in place signal, the hydraulic turntable clamping process is finished;
and (3) loosening the tool clamp: the control system outputs a tool loosening signal to the relay module through the I/O module, the relay module receives the signal and then turns on a relay coil of the relay module, then turns on an output contact of the relay module, and then turns on a tool clamping loosening electromagnetic valve, the tool clamping loosening electromagnetic valve is electrified, a tool loosening oil way is turned on, hydraulic energy is input to the oil cylinder, the tool clamp enters a loosening state, after the tool clamp is loosened in place, a workpiece loosening in place proximity switch transmits the tool loosening in place signal to the control system through the relay module and the I/O module, and after the control system receives the tool clamp loosening in place signal, the tool clamp loosening process is ended;
and (3) clamping the tool clamp: the system outputs a turntable clamping signal to the relay module through the I/O module, the relay module receives the signal and then turns on a relay coil of the relay module, then turns on an output contact of the relay module, then turns on a fixture clamping and loosening electromagnetic valve, the fixture clamping and loosening electromagnetic valve is electrified, a fixture clamping oil way is turned on, hydraulic energy is turned on, the fixture is in a clamping state, after the fixture is clamped in place, a workpiece clamping in place proximity switch transmits a fixture clamping in place signal to the control system through the relay module and the I/O module, and after the control system receives the fixture clamping in place signal, the fixture clamping process is ended;
when the electric control system of the hydraulic turntable works, whether the hydraulic turntable and the tool clamp are in a clamping state or not is firstly judged, if the clamping in-place signal of the hydraulic turntable and the clamping signal of the tool clamp are not in the clamping state, the clamping process of the hydraulic turntable and the clamping process of the tool clamp are firstly executed, and after the clamping process is finished, the system can enter normal machining; after the machining is finished, the system can execute the work fixture and hydraulic state loosening process, and the user can replace the workpiece to start the machining from the new point.
The invention has the beneficial effects that: the clamping and loosening mechanisms of the existing hydraulic turntable and the existing tool clamp are improved in electric control, and through electric automatic control and adjustment, the operation of the feeding mechanism of the machine tool is more convenient and visual, the labor capacity of operators is reduced, and the burden of workers is reduced; semi-automatic operation is realized, and the machine tool control system is a direction of future development.
The invention will be described in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 and 2 are schematic structural views of the present invention.
Fig. 2 is a schematic structural view of the hydraulic turntable and the hydraulic tooling. Wherein the triangular arrow points to the connection location.
In the figure: 1. the hydraulic control system comprises a numerical control system 2, a hydraulic station 3, a hydraulic turntable, a circuit breaker 5, a contactor 6, a turntable clamping and loosening electromagnetic valve 7, a tool clamping and loosening electromagnetic valve 8, a hydraulic motor 9, a pump 10, a servo drive 11, a relay module 12, a servo motor 13, an I/O module 14, a turntable clamping and in-place proximity switch 15, a turntable clamping and loosening in-place proximity switch 16, a workpiece clamping and loosening in-place proximity switch 17, a workpiece clamping and in-place proximity switch 18, an oil cylinder 19, a workpiece to be machined 20, a hydraulic tool structure 21, a tool loosening oil path 22, a tool clamping oil path 23 and a turntable clamping and loosening oil path.
Detailed Description
The embodiment is shown in the fig. 1 and 2, an electric control system of a hydraulic turntable 3 comprises a numerical control system 1, a hydraulic station 2 and the hydraulic turntable 3, wherein the numerical control system 1 is connected with an I/O module 13 and a servo drive 10 device, the servo drive 10 device is connected with a servo motor 12, the I/O module 13 is connected with a relay module 11, the hydraulic station 2 is provided with a hydraulic motor 8, the power input end of the hydraulic motor 8 is connected with an alternating current contactor 5, the hydraulic turntable 3 is provided with a turntable clamping structure connected with the servo motor 12, and the hydraulic turntable 3 is also provided with a turntable clamping in-place proximity switch 14 and a turntable loosening in-place proximity switch 15 for judging the conditions of clamping and loosening the turntable in place; the hydraulic turntable 3 is also provided with a hydraulic tooling structure 20 which is matched with a workpiece 19 to be processed, and the hydraulic tooling structure 20 is provided with a workpiece clamping in-place proximity switch 17 and a workpiece loosening in-place proximity switch 16 for judging the conditions of clamping in-place and loosening in-place of the workpiece; the hydraulic station 2 is also provided with a turntable clamping loosening electromagnetic valve 6 which is connected with a hydraulic motor 8 and used for controlling the turntable clamping structure to clamp and loosen, and a tool clamping loosening electromagnetic valve 7 which is connected with the hydraulic motor 8 and used for controlling the hydraulic tool structure 20 to clamp and loosen; the turntable clamping in-place proximity switch 14, the turntable unclamping in-place proximity switch 15, the workpiece clamping in-place proximity switch 17, the workpiece unclamping in-place proximity switch 16 and the relay module 11 are connected.
The input end of the alternating current contactor 5 is connected with a circuit breaker 4 for controlling the working state of the alternating current contactor, and the signal input end of the circuit breaker 4 is connected to a power grid power supply. The hydraulic tooling structure 20 comprises a tooling fixture which is arranged on the turntable and is matched with the workpiece 19 to be processed, the tooling fixture comprises an oil cylinder 18, and the clamping and loosening action of the workpiece 19 to be processed is realized through the movement of a piston of the oil cylinder 18; the hydraulic motor 8 shaft end connection is provided with a pump 9, the tool clamping loosening electromagnetic valve 7 and the turntable clamping loosening electromagnetic valve 6 are connected with the pump 9 through a hydraulic pipeline, the hydraulic oil cylinder 18 is provided with a tool loosening oil way 21 and a tool clamping oil way 22 which are connected with an oil outlet on the tool clamping loosening electromagnetic valve 7, and the turntable is provided with a turntable clamping loosening oil way 23 which is connected with an oil outlet on the turntable clamping loosening electromagnetic valve 6.
The electrical control system further comprises a set of buttons connected to the input of the relay module 11 for controlling clamping and loosening of both the turntable clamping structure and the hydraulic tooling structure 20. The turntable clamping structure is a plane brake pad.
The relay module 11 is an integrated electrical component, and has a structure that a plurality of current relays are integrated on a PCB board, diodes are inserted into control lines of coils of the relays, and the relay module has unidirectional conduction performance, and the wiring modes are divided into two types, namely, 0V, 24V, and 24V, wherein the cathodes of all the diodes are connected together, and the anodes of all the diodes are connected together.
The electric control method of a hydraulic turntable, when the system works, connect the hydraulic motor 8 through the breaker 4, contactor 5, the hydraulic motor 8 drives the pumping 9 to work, the pumping 9 pumps the hydraulic oil in the hydraulic station 2 into the relevant oil way, provide the hydraulic energy for clamping and releasing of the turntable and clamp, while working, the hydraulic motor 8 must work all the time, guarantee sufficient hydraulic energy, the oil way includes the frock clamping oil way 22, frock releasing oil way 21, turntable clamping releasing oil way 23;
when the hydraulic turntable 3 needs to rotate, the control system outputs a turntable loosening signal to the relay module 11 through the I/O module 13, the relay module 11 receives the signal and then turns on a relay coil of the relay module, and then turns on an output contact of the relay module, and then turns on the turntable clamping and loosening electromagnetic valve 6, the turntable clamping and loosening electromagnetic valve 6 is electrified, the turntable clamping and loosening oil path 23 is turned on, hydraulic energy is input to the hydraulic turntable 3, the hydraulic turntable 3 enters a loosening state, after the turntable is loosened in place, the turntable loosening and loosening approaching switch 15 transmits a turntable loosening signal of the hydraulic turntable 3 to the numerical control system 1 through the relay module 11 and the I/O module 13, and after the numerical control system 1 receives the turntable loosening signal of the numerical control system 1, the turntable 3 loosening process is finished; the system sends a pulse instruction to the servo drive 10, after the servo drive 10 receives the instruction, the power supply output end of the servo drive 10 outputs voltage to the servo motor 12, the servo motor 12 rotates to drive the hydraulic turntable 3 to rotate, after the hydraulic turntable 3 rotates in place, the numerical control system 1 outputs a turntable clamping signal to the relay module 11 through the I/O module 13, the relay module 11 turns off a relay coil of the relay module after receiving the signal, and then turns off an output contact of the relay module, and then turns off the turntable clamping and loosening electromagnetic valve 6, the turntable clamping and loosening electromagnetic valve 6 is powered off, the turntable clamping and loosening oil circuit 23 is turned off, hydraulic energy is turned off, the hydraulic turntable 3 returns to a clamping state, after the hydraulic turntable 3 is clamped in place, the turntable clamping and loosening switch 14 transmits a turntable clamping and loosening signal to the control system through the relay module 11 and the I/O module 13, and after the numerical control system 1 receives the turntable clamping and loosening signal, the hydraulic turntable 3 clamping process is finished;
and (3) loosening the tool clamp: the control system outputs a tool loosening signal to the relay module 11 through the I/O module 13, the relay module 11 receives the signal and then turns on a relay coil of the relay module, then turns on an output contact of the relay module, then turns on the tool clamping loosening electromagnetic valve 7, the tool clamping loosening electromagnetic valve 7 is electrified, a tool loosening oil way 21 is turned on, hydraulic energy is input to the oil cylinder 18, the tool clamp enters a loosening state, after the tool clamp is loosened in place, a workpiece loosening in place approaching switch 16 transmits the tool loosening in place signal to the control system through the relay module 11 and the I/O module 13, and after the control system receives the tool clamp loosening in place signal, the tool clamp loosening process is finished;
and (3) clamping the tool clamp: the system outputs a turntable clamping signal to the relay module 11 through the I/O module 13, the relay module 11 receives the signal and then turns on a relay coil thereof, then turns on an output contact thereof, then turns on the fixture clamping loosening electromagnetic valve 7, the fixture clamping loosening electromagnetic valve 7 is electrified, the fixture clamping oil way 22 is turned on, hydraulic energy is turned on, the fixture is in a clamping state, after the fixture is clamped in place, the workpiece clamping in place proximity switch 17 transmits the fixture clamping in place signal to the control system through the relay module 11 and the I/O module 13, and after the control system receives the fixture clamping in place signal, the fixture clamping process is finished;
when the electric control system of the hydraulic turntable works, firstly, whether the hydraulic turntable 3 and the fixture are in a clamping state is judged, if the clamping in-place signal of the hydraulic turntable 3 and the clamping signal of the fixture are not in the clamping state, firstly, the clamping process of the hydraulic turntable 3 and the clamping process of the fixture are executed, and after the clamping process is finished, the system can enter normal machining; after the machining is finished, the system can execute the work fixture and hydraulic state loosening process, and the user can replace the workpiece to start the machining from the new point.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (2)
1. An electrical control system for a hydraulic turret, characterized by: the turntable clamping device comprises a numerical control system, a hydraulic station and a hydraulic turntable, wherein the numerical control system is connected with an I/O module and a servo driving device, the servo driving device is connected with a servo motor, the I/O module is connected with a relay module, the hydraulic station is provided with a hydraulic motor, the power input end of the hydraulic motor is connected with an alternating current contactor, the hydraulic turntable is provided with a turntable clamping structure connected with the servo motor, and the hydraulic turntable is further provided with a turntable clamping in-place proximity switch for judging the conditions of clamping and loosening the turntable, and a turntable loosening in-place proximity switch; the hydraulic turntable is also provided with a hydraulic tool structure matched with the workpiece to be processed, and the hydraulic tool structure is provided with a workpiece clamping in-place proximity switch and a workpiece loosening in-place proximity switch for judging the conditions of clamping in-place and loosening in-place of the workpiece; the hydraulic station is also provided with a turntable clamping loosening electromagnetic valve which is connected with the hydraulic motor and used for controlling the turntable clamping structure to clamp and loosen, and a tool clamping loosening electromagnetic valve which is connected with the hydraulic motor and used for controlling the hydraulic tool structure to clamp and loosen; the turntable clamping in-place proximity switch, the turntable loosening in-place proximity switch, the workpiece clamping in-place proximity switch, the workpiece loosening in-place proximity switch and the relay module are connected; the input end of the alternating current contactor is connected with a breaker for controlling the working state of the alternating current contactor, and the signal input end of the breaker is connected to a power grid power supply; the hydraulic tooling structure comprises a tooling fixture which is arranged on the turntable and is matched with a workpiece to be processed, wherein the tooling fixture is an oil cylinder, and the clamping and loosening action of the workpiece to be processed is realized through the movement of an oil cylinder piston; the hydraulic motor shaft end is connected with a pumping, the tool clamping loosening electromagnetic valve and the turntable clamping loosening electromagnetic valve are connected with the pumping through a hydraulic pipeline, the hydraulic oil cylinder is provided with a tool loosening oil way and a tool clamping oil way which are connected with an oil outlet on the tool clamping loosening electromagnetic valve, and the turntable is provided with a turntable clamping loosening oil way which is connected with the oil outlet on the turntable clamping loosening electromagnetic valve; the turntable clamping structure is used for clamping and loosening the turntable clamping structure and the hydraulic tool structure; the turntable clamping structure is a plane brake pad;
when the electric control system works, the hydraulic motor is connected through the circuit breaker and the contactor, the hydraulic motor drives the pumping to work, the pumping pumps hydraulic oil in the hydraulic station into related oil ways to provide hydraulic energy for clamping and loosening of the turntable and the clamp, and when the electric control system works, the hydraulic motor must work all the time to ensure that the hydraulic energy exists, and the oil ways comprise a tool clamping oil way, a tool loosening oil way and a turntable clamping and loosening oil way;
when the hydraulic turntable is required to rotate, the control system outputs a turntable loosening signal to the relay module through the I/O module, the relay module receives the signal and then turns on a relay coil of the relay module, then turns on an output contact of the relay module, and then turns on a turntable clamping and loosening electromagnetic valve; the system sends a pulse instruction to the servo drive, after the servo drive receives the instruction, the output end of the servo drive power supply outputs voltage to the servo motor, the servo motor rotates to drive the hydraulic turntable to rotate, the numerical control system outputs a turntable clamping signal to the relay module through the I/O module after the hydraulic turntable rotates in place, the relay module turns off a relay coil after receiving the signal and then turns off an output contact of the relay module, further turns off a turntable clamping and loosening electromagnetic valve, the turntable clamping and loosening electromagnetic valve is powered off, a turntable clamping and loosening oil way is turned off, hydraulic energy is turned off, the hydraulic turntable returns to a clamping state, after the hydraulic turntable is clamped in place, a turntable clamping and loosening approaching switch transmits a turntable clamping in place signal to the control system through the relay module and the I/O module, and after the numerical control system receives the turntable clamping in place signal, the hydraulic turntable clamping process is finished;
and (3) loosening the tool clamp: the control system outputs a tool loosening signal to the relay module through the I/O module, the relay module receives the signal and then turns on a relay coil of the relay module, then turns on an output contact of the relay module, and then turns on a tool clamping loosening electromagnetic valve, the tool clamping loosening electromagnetic valve is electrified, a tool loosening oil way is turned on, hydraulic energy is input to the oil cylinder, the tool clamp enters a loosening state, after the tool clamp is loosened in place, a workpiece loosening in place proximity switch transmits the tool loosening in place signal to the control system through the relay module and the I/O module, and after the control system receives the tool clamp loosening in place signal, the tool clamp loosening process is ended;
and (3) clamping the tool clamp: the system outputs a turntable clamping signal to the relay module through the I/O module, the relay module receives the signal and then turns on a relay coil of the relay module, then turns on an output contact of the relay module, then turns on a fixture clamping and loosening electromagnetic valve, the fixture clamping and loosening electromagnetic valve is electrified, a fixture clamping oil way is turned on, hydraulic energy is turned on, the fixture is in a clamping state, after the fixture is clamped in place, a workpiece clamping in place proximity switch transmits a fixture clamping in place signal to the control system through the relay module and the I/O module, and after the control system receives the fixture clamping in place signal, the fixture clamping process is ended;
when the electric control system of the hydraulic turntable works, whether the hydraulic turntable and the tool clamp are in a clamping state or not is firstly judged, if the clamping in-place signal of the hydraulic turntable and the clamping signal of the tool clamp are not in the clamping state, the clamping process of the hydraulic turntable and the clamping process of the tool clamp are firstly executed, and after the clamping process is finished, the system can enter normal machining; after the machining is finished, the system can execute the tool clamp and hydraulic state loosening process, and a user can replace a workpiece to restart the machining.
2. The hydraulic turret electrical control system of claim 1, wherein: the relay module is an integrated electrical component, and is structurally characterized in that a plurality of current relays are integrated on a PCB, diodes are led into a relay coil control circuit, the relay module has unidirectional conduction performance, the wiring modes are divided into two types, one type is 0V, the other type is 24V, the other type is 0V, the cathodes of all the diodes are connected together, and the other type is 24V, and the anodes of all the diodes are connected together.
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| CN201710923621.0A CN107505912B (en) | 2017-09-30 | 2017-09-30 | Electric control system of hydraulic turntable and control method thereof |
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| CN201710923621.0A CN107505912B (en) | 2017-09-30 | 2017-09-30 | Electric control system of hydraulic turntable and control method thereof |
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