CN203957401U - A kind of linkage hydraulic press synchronous control system - Google Patents
A kind of linkage hydraulic press synchronous control system Download PDFInfo
- Publication number
- CN203957401U CN203957401U CN201420256369.4U CN201420256369U CN203957401U CN 203957401 U CN203957401 U CN 203957401U CN 201420256369 U CN201420256369 U CN 201420256369U CN 203957401 U CN203957401 U CN 203957401U
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- CN
- China
- Prior art keywords
- oil cylinder
- control valve
- proportional control
- hydraulic press
- programmable logic
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Abstract
The utility model discloses a kind of linkage hydraulic press synchronous control system, comprise multiple displacement transducers and the Programmable Logic Controller being connected with each displacement transducer respectively, Programmable Logic Controller connects display setting operating terminal; Described Programmable Logic Controller connects multi-channel proportional control valve, and Programmable Logic Controller is controlled respectively the corresponding oil cylinder of each proportional control valve by every road proportional control valve.The synchronous control system of this linkage hydraulic press applies to feedback control technology the Synchronization Control of oil cylinder position, controlled quentity controlled variable adopts standard PLC analog module to detect and control output, the corresponding oil cylinder slide block of proportional control valve control, realize the Synchronization Control of multi-slide linkage hydraulic press, improve degree of regulation, controlled convenient and reliable.
Description
Technical field
The utility model relates to a kind of synchronous control system, and specifically a kind of synchronous control system of linkage hydraulic press is applicable to the regulation and control of various proportional control valve control assemblies.
Background technology
The moving component of current many oil cylinders, cylinder etc., mainly the manual mode controls such as the artificial adjusting by speed regulation throttle valve, gate valve, this control method has certain limitation and unreliability on regulating, each adjust flux all needs manual intervention, and the concept of the concrete amount of shortage, particularly, in the time of motion state, operation regulates more difficult.
Utility model content
The problem existing for above-mentioned prior art, the utility model provides a kind of synchronous control system of linkage hydraulic press, linkage hydraulic press is realized to the Synchronization Control of Multi-cylinder, improves degree of regulation, controls convenient and reliable.
To achieve these goals, the synchronous control system of this linkage hydraulic press comprises multiple displacement transducers and the Programmable Logic Controller being connected with each displacement transducer respectively, and Programmable Logic Controller connects display setting operating terminal; Multiple displacement transducers are installed in respectively on the each detected oil cylinder that a kind of linkage hydraulic press synchronous control system is corresponding;
Described Programmable Logic Controller connects multi-channel proportional control valve, and Programmable Logic Controller is controlled respectively the corresponding oil cylinder of each proportional control valve by every road proportional control valve.
Further, described displacement transducer is provided with three.Each displacement transducer and Programmable Logic Controller and proportional control valve form feedback Sesvo-control mechanism.
Further, described proportional control valve comprises proportional control valve A, proportional control valve B and proportional control valve C, and proportional control valve A, proportional control valve B and proportional control valve C control respectively the movement velocity of oil cylinder A, oil cylinder B and oil cylinder C.
Further, described oil cylinder comprises oil cylinder A, oil cylinder B and oil cylinder C, and oil cylinder A, oil cylinder B and oil cylinder C drive the slide block movement of oneself separately, and wherein oil cylinder B is benchmark oil cylinder, oil cylinder A and oil cylinder C are with reference to the action of oil cylinder B and servo-actuated, and the speed of three oil cylinders is by three corresponding proportion control valve regulation.
The speed that middle displacement transducer is surveyed oil cylinder B is as benchmark, the oil cylinder A that other two displacement transducers are surveyed and the speed of oil cylinder C speed and middle oil cylinder B compare, the flow of the corresponding proportional control valve of oil cylinder of speed reduces, thereby reduces oil cylinder speed; Otherwise controlled quentity controlled variable that must scaling up control valve, improves flow, accelerates oil cylinder speed.Both sides oil cylinder and middle oil cylinder speed are consistent, thereby reach synchronous.
Compared with manual control mode of the prior art, the synchronous control system of this linkage hydraulic press applies to feedback control technology the Synchronization Control of oil cylinder position, controlled quentity controlled variable adopts standard PLC analog module to detect and control output, the corresponding oil cylinder slide block of proportional control valve control, realize the Synchronization Control of multi-slide linkage hydraulic press, improve degree of regulation, controlled convenient and reliable.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the synchronous control system of this linkage hydraulic press comprises multiple displacement transducers and the Programmable Logic Controller being connected with each displacement transducer respectively, and Programmable Logic Controller connects display setting operating terminal; Multiple displacement transducers are installed in respectively on corresponding detected oil cylinder;
Described Programmable Logic Controller connects multi-channel proportional control valve, and Programmable Logic Controller is controlled respectively the corresponding oil cylinder of each proportional control valve by every road proportional control valve, and three oil cylinders drive corresponding slide block action.
Further, described displacement transducer is provided with three.Each displacement transducer and Programmable Logic Controller and proportional control valve form feedback Sesvo-control mechanism.
Further, described proportional control valve comprises proportional control valve A, proportional control valve B and proportional control valve C, and proportional control valve A, proportional control valve B and proportional control valve C control respectively the movement velocity of oil cylinder A, oil cylinder B and oil cylinder C.
Further, described oil cylinder comprises oil cylinder A, oil cylinder B and oil cylinder C, and oil cylinder A, oil cylinder B and oil cylinder C drive the slide block movement of oneself separately, and wherein oil cylinder B is benchmark oil cylinder, oil cylinder A and oil cylinder C are with reference to the action of oil cylinder B and servo-actuated, and the speed of three oil cylinders is by three corresponding proportion control valve regulation.
The speed that middle displacement transducer is surveyed oil cylinder B is as benchmark, the oil cylinder A that other two displacement transducers are surveyed and the speed of oil cylinder C and the speed of middle oil cylinder B compare, the flow of the corresponding proportional control valve of oil cylinder of speed reduces, thereby reduces oil cylinder speed; Otherwise controlled quentity controlled variable that must scaling up control valve, improves flow, accelerates oil cylinder speed.Both sides oil cylinder and middle oil cylinder speed are consistent, thereby reach synchronous.
Realize the FEEDBACK CONTROL of oil cylinder position by Programmable Logic Controller, thereby ensure the synchronous of each oil cylinder slide block; Programmable Logic Controller judges the speed of oil cylinder work according to the size of displacement signal, testing and setting is relatively processed to rear outputting standard analog signals, use again analog signals control ratio control valve aperture, realize the synchronization action of each corresponding oil cylinder slide block, this position feedback control can be used for the Position Control such as oil cylinder, cylinder.
The synchronous control system of this linkage hydraulic press applies to feedback control technology the Synchronization Control of oil cylinder position, controlled quentity controlled variable adopts standard PLC analog module to detect and control output, the corresponding oil cylinder slide block of proportional control valve control, realize the Synchronization Control of multi-slide linkage hydraulic press, improve degree of regulation, controlled convenient and reliable.
Claims (5)
1. a linkage hydraulic press synchronous control system, is characterized in that, comprises multiple displacement transducers and the Programmable Logic Controller being connected with each displacement transducer respectively, and Programmable Logic Controller connects display setting operating terminal; Multiple displacement transducers are installed in respectively on the each detected oil cylinder that hydraulic press is corresponding;
Described Programmable Logic Controller connects multi-channel proportional control valve, and Programmable Logic Controller is controlled respectively the corresponding oil cylinder of each proportional control valve by every road proportional control valve.
2. a kind of linkage hydraulic press synchronous control system according to claim 1, is characterized in that, described displacement transducer is provided with three.
3. a kind of linkage hydraulic press synchronous control system according to claim 1 and 2, is characterized in that, described each displacement transducer and Programmable Logic Controller and proportional control valve form feedback Sesvo-control mechanism.
4. a kind of linkage hydraulic press synchronous control system according to claim 1, it is characterized in that, described proportional control valve comprises proportional control valve A, proportional control valve B and proportional control valve C, and proportional control valve A, proportional control valve B and proportional control valve C control respectively the movement velocity of oil cylinder A, oil cylinder B and oil cylinder C.
5. according to a kind of linkage hydraulic press synchronous control system described in claim 1 or 4, it is characterized in that, described oil cylinder comprises oil cylinder A, oil cylinder B and oil cylinder C, oil cylinder A, oil cylinder B and oil cylinder C drive the slide block movement of oneself separately, wherein oil cylinder B is benchmark oil cylinder, oil cylinder A and oil cylinder C are with reference to the action of oil cylinder B and servo-actuated, and the speed of three oil cylinders is by three corresponding proportion control valve regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256369.4U CN203957401U (en) | 2014-05-19 | 2014-05-19 | A kind of linkage hydraulic press synchronous control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256369.4U CN203957401U (en) | 2014-05-19 | 2014-05-19 | A kind of linkage hydraulic press synchronous control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203957401U true CN203957401U (en) | 2014-11-26 |
Family
ID=51918033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420256369.4U Expired - Fee Related CN203957401U (en) | 2014-05-19 | 2014-05-19 | A kind of linkage hydraulic press synchronous control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203957401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821906A (en) * | 2019-11-18 | 2020-02-21 | 北京特种机械研究所 | Hydraulic synchronous control system with multiple two-stage cylinders |
| CN113983013A (en) * | 2021-09-27 | 2022-01-28 | 上海宝冶冶金工程有限公司 | Blast furnace overhaul position synchronous adjustment method and system |
-
2014
- 2014-05-19 CN CN201420256369.4U patent/CN203957401U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821906A (en) * | 2019-11-18 | 2020-02-21 | 北京特种机械研究所 | Hydraulic synchronous control system with multiple two-stage cylinders |
| CN113983013A (en) * | 2021-09-27 | 2022-01-28 | 上海宝冶冶金工程有限公司 | Blast furnace overhaul position synchronous adjustment method and system |
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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: 20141126 Termination date: 20150519 |
|
| EXPY | Termination of patent right or utility model |