CN204783902U - Synchronous servo control system device of double oil cylinder - Google Patents
Synchronous servo control system device of double oil cylinder Download PDFInfo
- Publication number
- CN204783902U CN204783902U CN201520412143.3U CN201520412143U CN204783902U CN 204783902 U CN204783902 U CN 204783902U CN 201520412143 U CN201520412143 U CN 201520412143U CN 204783902 U CN204783902 U CN 204783902U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- pressure
- oil cylinder
- pump
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a synchronous servo control system device of double oil cylinder. It includes mechanism of first hydro -cylinder system, mechanism of second hydro -cylinder system, first hydro -cylinder, second hydro -cylinder, industrial computer and terminal control module, and first hydro -cylinder is connected to mechanism of first hydro -cylinder system one end, and the second hydro -cylinder is connected to mechanism of second hydro -cylinder system one end, and the industrial computer is connected respectively to the other end of mechanism of first hydro -cylinder system and mechanism of second hydro -cylinder system, and the terminal control module is connected to industrial computer one end. The advantage is design benefit, and simple structure is compact, and system's operation precision is high, and stability is good, and the location is accurate, and the response is fast, and speed is steady, carry out flow control during the motion of two pneumatic cylinders, when the load pressure reachd more than the pressure setting value, the automation reduced the rotational speed of motor, gets into the pressure control state, made the system pressure no longer than target pressure, so can reach the control of high accuracy.
Description
Technical field
The utility model relates to oil cylinder servo-control system field, is specifically related to a kind of two oil cylinder synchronous servo control system device.
Background technique
Traditional two oil cylinder synchronization control are adoption rate valves, and pressure valve controls, and its control accuracy and poor performance are not energy-conservation, can not realize Complete Synchronization.
Summary of the invention
In order to solve above-mentioned model utility problem, the utility model proposes a kind of two oil cylinder synchronous servo control system device, design ingenious, simple and compact for structure, energy-conservation, realize the stationary problem that two independent oil cylinders run, precise control, precision is high.
In order to reach above-mentioned model utility object, the utility model proposes following technological scheme:
A kind of two oil cylinder synchronous servo control system device, it comprises the first cylinder system mechanism, the second cylinder system mechanism, the first oil cylinder, the second oil cylinder, process control machine and terminal control module, first cylinder system mechanism one end connects the first oil cylinder, second cylinder system mechanism one end connects the second oil cylinder, first cylinder system mechanism is connected process control machine respectively with the other end of the second cylinder system mechanism, and process control machine one end connects terminal control module.
The first described cylinder system mechanism comprises servopump body, servocontroller, and servopump body comprises pump, motor, pressure transducer and digital controller, and the speeds control function of built-in motor can reach the object of pressure and flow control by this function.Servocontroller built-in encoder instruction module, flow and pressure command module, flow and pressure monitor module and start-stop signal, motor connects pump by coupling, pump one end connects the first oil cylinder, pump the connection of hydraulic fluid port side and pressure transducer is housed, rotating shaft one end of pump connects is equipped with digital controller, pressure transducer on servopump body and digital controller are connected the encoder instruction module in servocontroller by data signal line, flow and pressure command module, flow and pressure monitor module.Start-stop signal connects process control machine by data signal line.
The second described cylinder system mechanism comprises servopump body, servocontroller, and servopump body comprises pump, motor, pressure transducer and digital controller, and the speeds control function of built-in motor can reach the object of pressure and flow control by this function.Servocontroller built-in encoder instruction module, flow and pressure command module, flow and pressure monitor module and start-stop signal, motor connects pump by coupling, pump one end connects the second oil cylinder, pump the connection of hydraulic fluid port side and pressure transducer is housed, rotating shaft one end of pump connects is equipped with digital controller, pressure transducer on servopump body and digital controller are connected the encoder instruction module in servocontroller by data signal line, flow and pressure command module, flow and pressure monitor module.Start-stop signal connects process control machine by data signal line.
Described pump is high precision gear wheel pump.Described motor is ipm motor.
The first described cylinder system mechanism and the second cylinder system mechanism are two system authority of same structure.The control command of pressure and flow is by analog input.Oil cylinder 1 and oil cylinder 2 carry out flow control when moving, and when induced pressure arrives more than pressure set points, automatically reduce the rotating speed of motor, enter pressure control state, make system pressure be no more than goal pressure.
The utility model has the advantages that design is ingenious, simple and compact for structure, energy-conservation, system cloud gray model precision is high, good stability, accurate positioning, and response is fast, and speed is steady; Two oil cylinders synchronous, utilize two groups of servo-control systems, when oil cylinder runs, flow-rate ratio flow control comparatively on one side on one side, allow the action of two oil cylinders is synchronous and precision is accurate, servo-control system built-in encoder and pressure transducer, flow control is controlled by the rotating speed of encoder testing pump, and Stress control is controlled by the pressure of pressure transducer testing pump oil outlet.Carry out flow control during hydraulic cylinder, when induced pressure arrives more than pressure set points, automatically reduce the rotating speed of motor, enter pressure control state, make system pressure be no more than goal pressure, so high-precision control can be reached.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
In order to further illustrate the utility model, introduce below in conjunction with Figure of description:
With reference to accompanying drawing, a kind of two oil cylinder synchronous servo control system device, it comprises the first cylinder system mechanism, the second cylinder system mechanism, the first oil cylinder 1, second oil cylinder 2, process control machine 3 and terminal control module 4, first cylinder system mechanism one end connects the first oil cylinder 1, second cylinder system mechanism one end connects the second oil cylinder 2, first cylinder system mechanism is connected process control machine 3 respectively with the other end of the second cylinder system mechanism, and process control machine 3 one end connects terminal control module 4.
The first described cylinder system mechanism comprises servopump body 5, servocontroller 6, servopump body 5 comprises pump 51, motor 52, pressure transducer 53 and digital controller 54, servocontroller 6 built-in encoder instruction module 61, flow and pressure command module 62, flow and pressure monitor module 63 and start-stop signal 64, motor 52 control connection pump 51, pump 51 one end connects the first oil cylinder 1, pump 51 oil outlet side connects is equipped with pressure transducer 53, rotating shaft one end of pump 51 connects is equipped with digital controller 54, pressure transducer 53 on servopump body 5 is connected servocontroller 6 built-in encoder instruction module 61 with digital controller 54 by data signal line, the built-in flow of servocontroller and pressure command module 62, flow is connected process control machine 3 with pressure monitor module 63 and start-stop signal 64 by data signal line.
The second described cylinder system mechanism comprises servopump body 5, servocontroller 6, servopump body 5 comprises pump 51, motor 52, pressure transducer 53 and digital controller 54, servocontroller 6 built-in encoder instruction module 61, flow and pressure command module 62, flow and pressure monitor module 63 and start-stop signal 64, motor 52 control connection pump 51, pump 51 one end connects the second oil cylinder 2, pump 51 oil outlet side connects is equipped with pressure transducer 53, rotating shaft one end of pump 51 connects is equipped with digital controller 54, pressure transducer 53 on servopump body 5 is connected servocontroller 6 built-in encoder instruction module 61 with digital controller 54 by data signal line, flow in servocontroller and pressure command module 62, flow is connected process control machine 3 with pressure monitor module 63 and start-stop signal 64 by data signal line.
The first described cylinder system mechanism and the second cylinder system mechanism are two system authority of same structure.
The signal that the utility model control system is sent by process control machine is through the flow of servocontroller control oil pump and pressure size, the control of oil cylinder be can be implemented in stroke and adjust arbitrarily, and can by the feedback monitoring of controller to actual flow and force value, for the error between given and feedback, servo driver adopts various control algorithm, generate the control signal to actuating motor, realize the two close cycles of Flow of Cylinder and pressure.Two oil cylinders synchronous utilizes two groups of servo-control systems, and when oil cylinder runs, flow-rate ratio flow control comparatively on one side, allows the action of two oil cylinders is synchronous and precision is accurate.Wherein process control machine possesses the ordering calculation speed of (0.1 ~ 0.6 μ s) at a high speed, and floating point arithmetic effectively realizes complex calculations more.The control command of pressure and flow is controlled by analog output module, signal stabilization, is applicable to distant control.Servo-control system built-in encoder and pressure transducer, flow control is controlled by the rotating speed of encoder testing pump, and Stress control detects that the pressure of hydraulic fluid port controls by pressure transducer.Carry out flow control during hydraulic cylinder, when induced pressure arrives more than pressure set points, automatically reduce the rotating speed of motor, enter pressure control state, make system pressure be no more than goal pressure, so high-precision control can be reached.
When the first oil cylinder 1 is asynchronous with the second oil cylinder 2, for the speed of the first oil cylinder 1 soon: when the speed of the first oil cylinder 1 is greater than the speed of the second oil cylinder 2, the rotating speed of each self-pumping measured by the encoder that servopump body carries, the rotary speed data receiving two servopumps compares by process control machine, as long as the result compared is greater than the specified deviation of setting, process control machine sends the rotating speed that signal reduces pump one.Adopt action on one side while compare, the rotating speed of real-time testing pump one and pump two, so the speed of the first oil cylinder 1 and the second oil cylinder 2 ensures synchronous; It is adjustable that servo-control system can be down to time of minimum speed from maximum speed, and moment cut-off valve, do not allow oil pump feed, so the control accuracy of two oil cylinders is high.If the pressure of the first oil cylinder 1 is greater than the pressure of the second oil cylinder 2, same as above, the pressure pumping hydraulic fluid port separately measured by the pressure transducer that servopump body carries, the pressure on the number amount received compares by process control machine, according to the specified deviation of pressure of setting, send instruction to the driver of servo-system by process control machine, control the Simultaneous Pressure of the first oil cylinder 1 and the second oil cylinder 2.
Claims (4)
1. a two oil cylinder synchronous servo control system device, it comprises the first cylinder system mechanism, the second cylinder system mechanism, the first oil cylinder, the second oil cylinder, process control machine and terminal control module, it is characterized in that first cylinder system mechanism one end connects the first oil cylinder, second cylinder system mechanism one end connects the second oil cylinder, first cylinder system mechanism is connected process control machine respectively with the other end of the second cylinder system mechanism, and process control machine one end connects terminal control module.
2. the two oil cylinder synchronous servo control system device of one according to claim 1, it is characterized in that the first described cylinder system mechanism comprises servopump body, servocontroller, servopump body comprises pump, motor, pressure transducer and digital controller, servocontroller built-in encoder instruction module, flow and pressure command module, flow and pressure monitor module and start-stop signal, motor connects pump by coupling, pump one end connects the first oil cylinder, pump the connection of hydraulic fluid port side and pressure transducer is housed, rotating shaft one end of pump connects is equipped with digital controller, pressure transducer on servopump body and digital controller are connected the encoder instruction module in servocontroller by data signal line, flow and pressure command module, flow and pressure monitor module, start-stop signal connects process control machine by data signal line.
3. the two oil cylinder synchronous servo control system device of one according to claim 1, it is characterized in that the second described cylinder system mechanism comprises servopump body, servocontroller, servopump body comprises pump, motor, pressure transducer and digital controller, servocontroller built-in encoder instruction module, flow and pressure command module, flow and pressure monitor module and start-stop signal, motor connects pump by coupling, pump one end connects the second oil cylinder, pump the connection of hydraulic fluid port side and pressure transducer is housed, rotating shaft one end of pump connects is equipped with digital controller, pressure transducer on servopump body and digital controller are connected the encoder instruction module in servocontroller by data signal line, flow and pressure command module, flow and pressure monitor module, start-stop signal connects process control machine by data signal line.
4. the two oil cylinder synchronous servo control system device of one according to claim 1, is characterized in that the first described cylinder system mechanism and the second cylinder system mechanism are two system authority of same structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412143.3U CN204783902U (en) | 2015-06-16 | 2015-06-16 | Synchronous servo control system device of double oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412143.3U CN204783902U (en) | 2015-06-16 | 2015-06-16 | Synchronous servo control system device of double oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204783902U true CN204783902U (en) | 2015-11-18 |
Family
ID=54523958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520412143.3U Expired - Fee Related CN204783902U (en) | 2015-06-16 | 2015-06-16 | Synchronous servo control system device of double oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204783902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912856A (en) * | 2015-06-16 | 2015-09-16 | 南通市腾达锻压机床厂 | Double oil cylinder synchronous servo control system device |
-
2015
- 2015-06-16 CN CN201520412143.3U patent/CN204783902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912856A (en) * | 2015-06-16 | 2015-09-16 | 南通市腾达锻压机床厂 | Double oil cylinder synchronous servo control system device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103334973B (en) | The controlling method of a kind of multi-hydraulic-cylinder synchro system and multi-hydraulic-cylinder synchro system | |
| CN104912856A (en) | Double oil cylinder synchronous servo control system device | |
| CN103660359B (en) | Hydraulic control system and method for passive type four-corner-leveling hydraulic press | |
| CN102606786A (en) | Electric-hydraulic valve as well as control device and control method thereof | |
| CN103615436A (en) | Numerical control electric-hydraulic proportioning system of steel tube straightening machine | |
| CN103123042A (en) | Variable air-capacitor device | |
| CN102862094B (en) | Hydraulic servo system controlled by numerical control system | |
| CN102878152B (en) | Power control method and device of hydraulic system, and the hydraulic system | |
| CN113483138A (en) | Digital valve with shaft motion controller | |
| CN204783902U (en) | Synchronous servo control system device of double oil cylinder | |
| CN104295543A (en) | Hybrid power engineering machine composite motion control method | |
| CN203641174U (en) | Pressure and speed synchronous and composite controller for hydraulic cylinders of machine tool | |
| CN207554470U (en) | A kind of machine tool hydraulic chuck clamping force control device | |
| CN104100508A (en) | Use of a motor-driven speed-variable hydraulic pump as a hydrostatic transmission | |
| CN109508051B (en) | Dynamic negative pressure servo control system and method based on symmetrical air cylinders | |
| CN108050112B (en) | A kind of control pressurer system and its control method of asymmetrical hydraulic cylinder | |
| CN101210580A (en) | Star-wheel synchronization hydraulic system for tunneling machine | |
| CN102588649B (en) | Servo valve and zero compensation method for same | |
| CN105666813B (en) | A kind of control method of injection molding machine, hydraulic swivel head system and hydraulic swivel head | |
| CN103775322A (en) | Sensing feedback programmable servo variable hydraulic pump | |
| CN100588835C (en) | Double pumps displacement water turbine speed regulating means | |
| CN205078879U (en) | Intelligent electricity regulation butterfly valve that surges | |
| CN213176223U (en) | Oil cylinder control loop and injection molding machine | |
| CN204755440U (en) | Many pneumatic cylinders synchronous control system | |
| CN203685776U (en) | Numerical control electric-hydraulic proportional system of steel pipe straightening machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20170616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |