CN206703585U - A kind of servo-pressing machine control system - Google Patents
A kind of servo-pressing machine control system Download PDFInfo
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- CN206703585U CN206703585U CN201720311557.6U CN201720311557U CN206703585U CN 206703585 U CN206703585 U CN 206703585U CN 201720311557 U CN201720311557 U CN 201720311557U CN 206703585 U CN206703585 U CN 206703585U
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Abstract
A kind of servo-pressing machine control system, including servo-pressing machine, the servo-pressing machine includes servomotor, servo controller, transmission mechanism, sliding block, workbench and grating scale, servo controller is connected by network and motion controller communication, I/O interface modules are connected with the motion controller, guidance panel and man-machine interface, the input of servo controller is connected with capacitive energy storage device, the output end of servo controller is connected with servomotor, servomotor is connected with transmission mechanism, sliding block is connected with transmission mechanism, man-machine interface is connected by network and motion controller communication.The utility model can be according to different working conditions, meet the different process curve demand of slide block movement, and ensure torque requirement of the sliding block in certain position, can also be according to the difference of workpiece, slider stroke is adjusted, top dead-centre need not be moved to every time in a cycle, shorten circulation time, reduce meaningless stroke to greatest extent, substantially increase productivity ratio.
Description
Technical field
The utility model patent belongs to forcing press SERVO CONTROL field, and system is controlled more particularly to a kind of servo-pressing machine
System.
Background technology
In recent years, a new direction of Forming Equipments development is turned into AC servo machinery driving.In this context, with
Servomotor substitutes common asynchronous moter, by screw rod, crank connecting link, toggle link or other mechanisms by the convert rotational motion of motor
Servo-pressing machine for sliding block linear motion achieves tremendous development.It can not only keep the advantages of Mechanical Driven, Er Qiegai
The nonadjustable shortcoming of its working characteristics is become, the former of Mechanical Driven is possessed flexibility, intelligentized feature, worked
Performance and Technological adaptability greatly improve.
The key of forcing press forming technique is the control on slide block movement track, that is, rationally, accurately to be controlled
Drive the motor of press motion.However, the planning of the high speed of heavily loaded large inertia system, high-precision motion curve and low speed are big
Capacity of moment of torsion servomotor etc. constrains the development of high performance servo forcing press.Therefore high performance servo-pressing machine control is researched and developed
System processed is most important, and the field has become the study hotspot of forcing press, and enterprise and research institution both domestic and external are all positive
Carry out the research of forcing press NC postprocessing, but it is domestic also it is untapped go out performance maturation servo-pressing machine control system product, need to enter
The improvement of one step is perfect.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of servo-pressing machine control system, according to different work
Situation, meets the different process curve demand of slide block movement, and ensures torque requirement of the sliding block in certain position.
In order to solve the above-mentioned technical problem, the utility model takes following technical scheme：
A kind of servo-pressing machine control system, including servo-pressing machine, the servo-pressing machine include servomotor, servo
Controller, transmission mechanism, sliding block, workbench and grating scale, servo controller are connected by network and motion controller communication, should
I/O interface modules, guidance panel and man-machine interface are connected with motion controller, the input of servo controller is connected with electric capacity
Energy storage device, the output end of servo controller are connected with servomotor, and servomotor is connected with transmission mechanism, sliding block and driver
Structure is connected, and man-machine interface is connected by network and motion controller communication, and detection slide position amount is provided with motion controller
High speed counting module and analog-to-digital conversion module.
The servomotor also attaching has encoder, and the encoder is connected with servo controller.
The capacitive energy storage device is made up of power cabinet, capacitor box and switch board, capacitor box to being provided with some groups of capacitance groups,
Every group of capacitance group includes at least two capacitors being connected in series, and between each group capacitance group and connects, and power cabinet connects with capacitor box
Connect and be used to charge to capacitance group, controller is connected to communicate to the user of capacitor box with capacitor box and signal transacting behaviour
Make.
Be provided with the power cabinet total power switch being sequentially connected by circuit, charging resistor case, pre-charge contactor,
Charging current sensor and counnter attack diode.
The grating scale is absolute value formula structure, and the displacement for gathering sliding block feeds back to drive control device.
The output port of the motion controller is connected by the input port of cable and servomotor and carries out high speed string
Row communication.
Press operation mode selection switch, operation, stopping and scram button are provided with the guidance panel.
The man-machine interface is installed on guidance panel, including function selection interface, sliding block adjustment interface, host setting circle
Face, dynamic monitoring interface, warning message interface, production information interface and calling mold interface.
The utility model has above beneficial effect：
1st, by motion controller monitor on-line sliding block, real-time display current slide absolute position values, pressure value it is true
Data, trickle position or pressure value changes can monitor；Positional repeatability 0.05mm, pressure repeatable accuracy 0.05%F.S,
The accurate press-loading process requirement of the overwhelming majority can be met.
2nd, a tractor serves several purposes is realized；When production line is changed the line of production, different press fitting programs need only be called to put into production.
3rd, production efficiency can be effectively improved, can guarantee that highest is pressed precision.
4th, communication connection is carried out between each part, it is reliable and stable.
5th, there is the capacitance energy storage of quick charge electric discharge, it is possible to achieve energy-saving.
Brief description of the drawings
Accompanying drawing 1 is the utility model catenation principle schematic diagram.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model discloses a kind of servo-pressing machine control system, including servo-pressing machine, institute
Stating servo-pressing machine includes servomotor, servo controller, transmission mechanism, sliding block, workbench and grating scale, and servo controller leads to
Cross network to connect with motion controller communication, I/O interface modules, guidance panel and man-machine boundary are connected with the motion controller
Face, the input of servo controller are connected with capacitive energy storage device, and the output end of servo controller is connected with servomotor, servo
Motor is connected with transmission mechanism, and sliding block is connected with transmission mechanism, and man-machine interface is connected by network and motion controller communication, fortune
The high speed counting module and analog-to-digital conversion module of detection slide position amount are provided with movement controller.Man-machine interface and motion controller
Between connected with EPA, ICP/IP protocol based on modbus carries out data communication；I/O interface modules are by Siemens
ET200 slave stations form, and are connected by RS485 normal lines with motion controller.Man-machine interface can set the speed, OK of sliding block
Journey, process curve, the key parameter of each important component of real-time display.I/O interface modules can be connected with PLC device.
The servomotor also attaching has encoder, and the encoder is connected with servo controller.The encoder is high accuracy
Rotary encoder, servomotor have DRIVE-CLiQ serial connection interface, and carry band-type brake function.
The capacitive energy storage device is made up of power cabinet, capacitor box and switch board, capacitor box to being provided with some groups of capacitance groups,
Every group of capacitance group includes at least two capacitors being connected in series, and between each group capacitance group and connects, and power cabinet connects with capacitor box
Connect and be used to charge to capacitance group, controller is connected to communicate to the user of capacitor box with capacitor box and signal transacting behaviour
Make.The total power switch being sequentially connected by circuit, charging resistor case, pre-charge contactor, charging current are provided with power cabinet
Sensor and counnter attack diode.Dc bus is charged by charging resistor case to super capacitor, avoids dash current too big
Equipment is damaged, pre-charge contactor adhesive after charging complete, cuts off charging resistor case, stops charging.By switch board, with electric capacity
Cabinet carries out user's communication, and user can detect charging current, discharge current, busbar voltage, the working condition of capacitor box, temperature etc.
Signal, system forced electric discharge is carried out by this module, force to stop the operation such as electric discharge.If the energy of system does not release, can close
On release energy manually switch, discharge remaining energy.Panel is adjusted by magnitudes of voltage such as precharge, overvoltages, user can set
Determine precharge voltage value and over-pressed place value.
The grating scale is absolute value formula structure, and the displacement for gathering sliding block feeds back to drive control device.Grating scale
It is arranged in servo-pressing machine frame.
The output port of the motion controller is connected by the input port of cable and servomotor and carries out high speed string
Row communication.
The guidance panel is responsible for the execute-in-place of servo-pressing machine, and the choosing of press operation pattern is provided with guidance panel
Select switch, operation, stopping, scram button etc..Man-machine interface is installed on guidance panel, including function selection interface, sliding block are adjusted
Save interface, host setting interface, dynamic monitoring interface, warning message interface, production information interface, calling mold interface.
In the utility model, 1, using guidance panel, human-computer interaction interface as man-machine interactive platform master system.It is whole
After reason data parameters host computer is transmitted to using serial ports or network service（Such as computer）, explained and decoded by host computer, finally shown
Show in operation interface.Facilitate processing staff intuitively to observe machinery equipment machining state, while man-machine interface can be utilized real
When change working process parameter, visualize the operation of whole servo-pressing machine, more hommization.
2nd, the lower computer system using motion controller as core.At the main logic control for completing servo-pressing machine, failure
Reason performs with program, the real-time communication with host computer；The motion control of press ram is completed simultaneously, using AC servo motor
As executive component, by the control to motor corner and rotating speed, realize that sliding block is accurately positioned and variable speed drives, slave computer according to
Detection parameters situation adjusts control strategy in real time, forms a closed-loop control system, and detect pressure, load change, bed in real time
Situations such as body deforms.
High-precision grating scale is installed in the range of slider stroke, slide block movement displacement and speed are detected, supervised at any time
Slide position is controlled, the management information system of a closed-loop that core is detected as with grating scale is formed, makes shaping more stable, more smart
Really, all the time by bottom dead centre control within ± 0.05mm.Pass through angular displacement of the photoelectric encoder to crank and angle speed on crank
Degree is detected to form closed-loop system.User can be operated by the button of guidance panel to forcing press, pass through host computer
Interface carries out setting, debugging and the detection of forcing press, and is shown in real time.
The utility model is in use, need first fully charged to storage capacitor device, it is ensured that servo-pressing machine is worked
Workshop power network does not produce big pressure drop in journey.Then mode of operation is selected on guidance panel, by the manufacturing parameter of man-machine interface
（Such as position, speed, level of torque, motion process curve）Download in motion controller.Servo is electric at work for forcing press
Machine is accelerated to rotate with big detent torque by zero-speed, drives slide block movement by mechanical transmission mechanism, servomotor is in Acceleration of starting
During the energy that provides be stored in system rotary inertia.During pressure stroke, motor drops at full speed, discharges this energy, implements punching press.It is single
Under next state, when sliding block is close to top dead-centre, servomotor slows down, and brake implements braking, and sliding block is parked in top dead-centre, completes one
Individual working cycles.The encoder moment on servomotor feeds back the current location of the servomotor, speed, passes through servo-driver
Feed back in motion controller.The grating scale moment, motion controller was to being by the current location of sliding block to motion controller simultaneously
The various information of system carries out dynamic calculation, statistical analysis, processing, and output control is instructed to SERVO CONTROL in the form of pulse signal
Device, servo controller control servomotor work, servomotor drives transmission mechanism motion, so as to realize the pressure of servo-pressing machine
Power acts.
It should be noted that described above is not the restriction to technical solutions of the utility model, this practicality is not being departed from
It is any obviously to replace within the scope of protection of the utility model on the premise of new creation design.
Claims (8)
1. a kind of servo-pressing machine control system, including servo-pressing machine, it is characterised in that the servo-pressing machine includes servo
Motor, servo controller, transmission mechanism, sliding block, workbench and grating scale, servo controller are led to by network and motion controller
News are connected, and I/O interface modules, guidance panel and man-machine interface, the input of servo controller are connected with the motion controller
Capacitive energy storage device is connected with, the output end of servo controller is connected with servomotor, and servomotor is connected with transmission mechanism, sliding
Block is connected with transmission mechanism, and man-machine interface is connected by network and motion controller communication, and detection is provided with motion controller and is slided
The high speed counting module and analog-to-digital conversion module of block position quantity.
2. servo-pressing machine control system according to claim 1, it is characterised in that the servomotor also attaching has volume
Code device, the encoder are connected with servo controller.
3. servo-pressing machine control system according to claim 2, it is characterised in that the capacitive energy storage device is by power supply
Cabinet, capacitor box and switch board composition, capacitor box are connected in series to some groups of capacitance groups, every group of capacitance group is provided with including at least two
Capacitor, between each group capacitance group and connect, power cabinet is connected with capacitor box and is used to charge to capacitance group, controller
It is connected to communicate to the user of capacitor box with capacitor box and signal processing operations.
4. servo-pressing machine control system according to claim 3, it is characterised in that be provided with the power cabinet and pass through line
Total power switch, charging resistor case, pre-charge contactor, charging current sensor and the counnter attack diode that road is sequentially connected.
5. servo-pressing machine control system according to claim 4, it is characterised in that the grating scale is absolute value formula knot
Structure, the displacement for gathering sliding block feed back to drive control device.
6. servo-pressing machine control system according to claim 5, it is characterised in that the output end of the motion controller
Mouth passes through the input port of cable and servomotor and connects and carry out high speed serial communication.
7. servo-pressing machine control system according to claim 6, it is characterised in that pressure is provided with the guidance panel
Power machine operator scheme selecting switch, operation, stopping and scram button.
8. servo-pressing machine control system according to claim 7, it is characterised in that the man-machine interface is installed on operation
On panel, including function selection interface, sliding block adjustment interface, host setting interface, dynamic monitoring interface, warning message interface,
Production information interface and calling mold interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311557.6U CN206703585U (en) | 2017-03-28 | 2017-03-28 | A kind of servo-pressing machine control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720311557.6U CN206703585U (en) | 2017-03-28 | 2017-03-28 | A kind of servo-pressing machine control system |
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| CN206703585U true CN206703585U (en) | 2017-12-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881903A (en) * | 2017-03-28 | 2017-06-23 | 广东华中科技大学工业技术研究院 | A kind of servo-pressing machine control system |
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2017
- 2017-03-28 CN CN201720311557.6U patent/CN206703585U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881903A (en) * | 2017-03-28 | 2017-06-23 | 广东华中科技大学工业技术研究院 | A kind of servo-pressing machine control system |
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