CN202545429U - Segmental pressure release control system for vulcanizing machine - Google Patents
Segmental pressure release control system for vulcanizing machine Download PDFInfo
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- CN202545429U CN202545429U CN201220174025XU CN201220174025U CN202545429U CN 202545429 U CN202545429 U CN 202545429U CN 201220174025X U CN201220174025X U CN 201220174025XU CN 201220174025 U CN201220174025 U CN 201220174025U CN 202545429 U CN202545429 U CN 202545429U
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Abstract
The utility model discloses a segmental pressure release control system for a vulcanizing machine. The control system comprises a control system unit, a detection display system unit and a hydraulic loop system unit, wherein the hydraulic loop system unit consists of a main pressure release loop and an auxiliary pressure release loop connected through a pipeline between a main oil cylinder and an oil return tank; a large-flow pressure release valve is arranged on the main pressure release loop; a small-flow pressure release valve, a pressure guiding and adjusting valve and a proportional pressure guiding and pressure release valve are arranged on the auxiliary pressure release loop; the detection display system unit is used for detecting the hydraulic pressure of the hydraulic loop system unit, and can be used for feeding a detected pressure signal back to the control system unit; the control system unit can be used for inputting a command signal and outputting an execution proportional electric signal after performing internal operation on the command signal and the pressure signal; and the proportional pressure guiding and pressure release valve is opened proportionally for controlling the pressure release speed according to the execution proportional electric signal output by the control system unit to realize segmental pressure release at different speeds.
Description
Technical field
The utility model relates to technical field of hydraulic, particularly a kind of pressure discharge control technology that is used for rubber vulcanizing machine, specifically vulcanizer sectional pressure relief control system.
Background technique
In the existing technology; The pressure relief system of vulcanizer is owing to all be to control compression relief cock generally; Can not control its pressure release flow, thus can't control accurately pressure release speed, thus make whole pressure leak process can't reach the purpose of the force value of pressure release to appointment in the time of appointment.And along with the develop rapidly of current rubber industry; The different renewal of various novel product days; In order to guarantee that product has higher quality standard to satisfy the use under the different working conditions; Its requirement to production technology is also increasingly high, more and more thinner, so original pressure release mode can not satisfy the production demand of current part product.Therefore market in urgent need has pressure release precision height and can replace traditional relief mode by stage a kind of novel pressure relief system adjustable, speed-controllable, to guarantee to satisfy the demand of various product technologies.
Summary of the invention
The utility model technical problem to be solved is to above-mentioned existing technology present situation, has control diversification, applicability vulcanizer sectional pressure relief control system wide and easy and simple to handle and provide.This system cost is cheap, high, the harmonious good practicability that also can significantly promote board of control accuracy.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: vulcanizer sectional pressure relief control system, this control system comprise control system unit, detection display system unit and the hydraulic circuit system unit that circuit links to each other; The hydraulic circuit system unit connects main pressure release loop of setting up and the auxiliary pressure release loop of playing the assistant regulating and controlling effect by difference pipeline between master cylinder and oil sump tank and forms; Big flow Decompression valves is installed in the main pressure release loop; The combination brake switch and proporting that the small flow Decompression valves is installed successively and forms in the auxiliary pressure release loop by pilot pressure regulator valve and proportion expression pilot Decompression valves; Detecting the display system unit is installed on the pipeline of hydraulic circuit system unit; Detecting the display system unit can detect the hydraulic pressure in the hydraulic circuit system unit pipeline and show also and can the pressure signal that detect be fed back to the control system unit; Execution ratio electrical signal can also can be exported with this command signal and the pressure signal that detects display system unit feedback by input instruction signal in the control system unit after internal arithmetic; Proportion expression pilot Decompression valves is opened control pressure release speed in proportion according to the execution ratio electrical signal of control system unit output, realizes the segmented pressure release of friction speed.
For optimizing technique scheme, the measure of taking also comprises:
Add enable manual in the pipeline in the above-mentioned auxiliary pressure release loop between small flow Decompression valves and combination brake switch and proporting and regulate the throttle valve of pressure release flow.
Above-mentioned detection display system unit is made up of pressure gauge and pressure transducer, and the pressure data that pressure gauge can display of visually, pressure transducer extend in the pipeline of hydraulic circuit system unit detected pressure signal circuit is fed back to the control system unit.
Touch screen, programmable controller and the ratio plate of above-mentioned control system unit pack vinculum Shu Xianglian; Proportion expression pilot Decompression valves is connected with the programmable controller line with the ratio plate respectively with pressure transducer, and programmable controller inside is provided with Operations Control Procedure.
Above-mentioned touch screen manually is that unit of time sets pressure release time command signal with the second; The programmable controller can be exported suitable ratio control signal to ratio plate according to the pressure release time command signal of touch screen input and the pressure signal of pressure transducer feedback after the accurate computing in inside, the ratio plate amplifies output execution ratio electrical signal to proportion expression pilot Decompression valves with the ratio control signal of receiving.
Compared with prior art; Contain main pressure release loop and auxiliary pressure release loop in the hydraulic circuit system unit of the utility model; Manually the hydraulic oil in the master cylinder can directly flow back into oil sump tank through the big flow Decompression valves in the main pressure release loop during pressure release; Reach the effect of quick pressure releasing dispensing; The small flow Decompression valves is installed for master's pressure release loop and auxiliary pressure release loop ability operate together during releasing pressure automatically, auxiliary pressure release loop and proportion expression pilot Decompression valves can keep master cylinder in any force value through the execution ratio electrical signal control pressure release speed of control system unit input.The utility model can also be through touch screen specified page control pressure release scope, and it is more directly perceived that it has operation, and the characteristics of hommization can be accomplished the requirement of sectional pressure relief control easily more.
Description of drawings
Fig. 1 is the utility model control principle figure;
Fig. 2 is the fundamental diagram of the hydraulic circuit system unit of the utility model.
Embodiment
Embodiment to the utility model describes in further detail below in conjunction with accompanying drawing.
Fig. 1 is extremely shown in Figure 2 to be the structural representation of the utility model.
Reference character wherein is: control system unit 1, touch screen 11, programmable controller 12, ratio plate 13, detection display system unit 2, pressure gauge 21, pressure transducer 22, hydraulic circuit system unit 3, master cylinder 31, oil sump tank 32, big flow Decompression valves 33, small flow Decompression valves 34, combination brake switch and proporting 35, pilot pressure regulator valve 351, proportion expression pilot Decompression valves 352, throttle valve 36.
To shown in Figure 2, the vulcanizer sectional pressure relief control system of the utility model, this control system comprise control system unit 1, detection display system unit 2 and the hydraulic circuit system unit 3 that circuit links to each other like Fig. 1; Hydraulic circuit system unit 3 connects main pressure release loop of setting up and the auxiliary pressure release loop of playing the assistant regulating and controlling effect by difference pipeline between master cylinder 31 and oil sump tank 32 and forms; Big flow Decompression valves 33 is installed in the main pressure release loop; The combination brake switch and proporting 35 that small flow Decompression valves 34 is installed successively and forms in the auxiliary pressure release loop by pilot pressure regulator valve 351 and proportion expression pilot Decompression valves 352; Detecting display system unit 2 is installed on the pipeline of hydraulic circuit system unit 3; This detection display system unit 2 can detect the hydraulic pressure in hydraulic circuit system unit 3 pipelines and show and can the pressure signal that detect be fed back to control system unit 1; Execution ratio electrical signal can also can be exported with this command signal and the pressure signal that detects display system unit 2 feedbacks by input instruction signal in control system unit 1 after internal arithmetic; Proportion expression pilot Decompression valves 352 is opened control pressure release speed in proportion according to the execution ratio electrical signal of control system unit 1 output, realizes the segmented pressure release of friction speed.Contain two pressure release loops in the hydraulic circuit system unit 3 of the utility model, the one tunnel is main pressure release loop, and one the tunnel is auxiliary pressure release loop.Traditional pressure release mode can be realized in main pressure release loop, can be through manually controlling, and it has the big and fireballing characteristics of pressure release of pressure release flow, but its pressure release speed in pressure leak process is difficult to control, and the pressure release precision is relatively low.Auxiliary pressure release loop is one of major technique characteristic of the utility model; Auxiliary pressure release loop can remedy the deficiency in main pressure release loop; Play the effect of accurate control pressure release speed; Auxiliary pressure release loop can be opened before according to the progressively decompression needs of product technology under the program control of control system unit 1 in main pressure release loop or kept the pressure needs; The decompression rate of master cylinder 31 is controlled in the action of formula in proportion of Flow-rate adjustment through small flow Decompression valves 34 and proportion expression pilot Decompression valves 352 respectively, makes master cylinder 31 when pressure release, can satisfy the pressure demand of different product technology.Control system unit 1 can be according to the require input instruction signal of product technology to pressure release speed in the control system of the utility model; Can also the command signal of current pressure signal that detects display system unit 2 feedbacks and input be carried out the suitable execution ratio electrical signal of internal arithmetic output simultaneously; Through carrying out the ratio electrical signal proportion expression pilot Decompression valves 352 is opened in proportion; Thereby can guarantee accurate control to the falling speed of master cylinder 31; The pressure release speed of different time points can be set in control system unit 1 in whole pressure leak process, after the program of setting executes, main pressure release loop and auxiliary pressure release loop are opened fully.The utility model has the advantages that control accuracy is high, operation is directly perceived simple, human oriented design can be accomplished the requirement of sectional pressure relief control easily.
For further optimizing this systematic function, promote the competitiveness of product in market, the measure of taking also comprises:
Add enable manual in the pipeline in the above-mentioned auxiliary pressure release loop between small flow Decompression valves 34 and combination brake switch and proporting 35 and regulate the throttle valve 36 of pressure release flow.Throttle valve 36 enable manual are regulated and control, and its main purpose is to be used to prevent that proportion expression pilot Decompression valves 352 from occurring when throwing open under the pressure too fast or slow excessively phenomenon.
As can be seen from Figure 2; Detecting display system unit 2 is made up of pressure gauge 21 and pressure transducer 22; Pressure gauge 21 can display of visually pressure data, pressure transducer 22 extend in the pipeline of hydraulic circuit system unit 3 detected pressure signal circuit is fed back to control system unit 1.
Among the embodiment, as shown in Figure 1, control system unit 1 comprises touch screen 11, programmable controller 12 and the ratio plate 13 that wire harness links to each other; Proportion expression pilot Decompression valves 352 is connected with programmable controller 12 circuits with ratio plate 13 respectively with pressure transducer 22, and programmable controller 12 inside are provided with Operations Control Procedure.
Among the embodiment; Touch screen 11 manually is that unit of time sets pressure release time command signal with the second; Programmable controller 12 can be exported suitable ratio control signal to ratio plate 13 according to the pressure release time command signal of touch screen 11 inputs and the pressure signal of pressure transducer 22 feedbacks after the accurate computing in inside, ratio plate 13 amplifies output execution ratio electrical signal to proportion expression pilot Decompression valves 352 with the ratio control signal of receiving.
The auxiliary pressure release loop of the utility model is controlled by control system unit 1 automatically; 1 master pressure release loop when starting releasing pressure automatically and auxiliary pressure release loop can cooperate running jointly in the control system unit; Its concrete method of work is: at first send signal by programmable controller 12 passing ratio plates 13 and give proportion expression pilot Decompression valves 352, make it reach the effect of complete throttling.Control small flow Decompression valves 34 then and open, can set the pressure release time according to actual decompression technique needs this moment through touch screen 11, and touch screen 11 adopts man-machine interface control; Convenient touch screen 11 inputs to programmable controller 12 with the pressure release time command signal of setting and directly perceived, 12 pressure release times of setting according to the pressure signal and the touch screen 11 of pressure transducer 22 feedbacks of programmable controller; Calculate a suitable ratio and this ratio control signal is delivered to ratio plate 13, ratio plate 13 amplifies output execution ratio electrical signal with the ratio control signal of receiving and gives proportion expression pilot Decompression valves 352, and 352 of proportion expression pilot Decompression valvess are opened according to ratio; The speed of the final pressure release of passing ratio formula pilot Decompression valves 352 controls; Pressure is slowly let out removed, after the time of setting arrived, proportion expression pilot Decompression valves 352 was also just in time opened fully; The pressure of technological requirement has been let out fully; Opening big flow Decompression valves 33 this moment jointly, main pressure release loop conducting work, and master cylinder 31 begins to descend.
The utility model most important character is can be through several sections pressure releases of the continuous friction speed of touch screen 11 planning.For example, set from pressure 1 to pressure 2,5 seconds times spent; Pressure 2 is to pressure 3, and 3 seconds times spent, the ratio of the automatic resize ratio formula pilot Decompression valves 352 of programmable controller 12 meetings reaches this effect, realizes the segmented pressure release purpose of friction speed.
The utility model operation is intuitively easy, pressure release speed is even and the time is accurate, has the advantages that applicability is wide, practical and control accuracy is high.
Claims (5)
1. vulcanizer sectional pressure relief control system is characterized in that: this control system comprises control system unit (1) that circuit links to each other, detects display system unit (2) and hydraulic circuit system unit (3); Described hydraulic circuit system unit (3) connects main pressure release loop of setting up and the auxiliary pressure release loop of playing the assistant regulating and controlling effect by difference pipeline between master cylinder (31) and oil sump tank (32) and forms; Described main pressure release is equipped with big flow Decompression valves (33) in the loop; The combination brake switch and proporting (35) that small flow Decompression valves (34) is installed in the described auxiliary pressure release loop successively and forms by pilot pressure regulator valve (351) and proportion expression pilot Decompression valves (352); Described detection display system unit (2) is installed on the pipeline of described hydraulic circuit system unit (3), and this detection display system unit (2) can detect the hydraulic pressure in described hydraulic circuit system unit (3) pipeline and show and can the pressure signal that detect be fed back to described control system unit (1).
2. vulcanizer sectional pressure relief control system according to claim 1 is characterized in that: add the throttle valve (36) that enable manual is regulated the pressure release flow in the pipeline in the described auxiliary pressure release loop between described small flow Decompression valves (34) and combination brake switch and proporting (35).
3. vulcanizer sectional pressure relief control system according to claim 2; It is characterized in that: described detection display system unit (2) is made up of pressure gauge (21) and pressure transducer (22), and described pressure transducer (22) extend in the pipeline of described hydraulic circuit system unit (3) detected pressure signal circuit is fed back to described control system unit (1).
4. vulcanizer sectional pressure relief control system according to claim 3 is characterized in that: described control system unit (1) comprises touch screen (11), programmable controller (12) and the ratio plate (13) that wire harness links to each other; Described proportion expression pilot Decompression valves (352) is connected with described programmable controller (12) circuit with described ratio plate (13) respectively with described pressure transducer (22).
5. vulcanizer sectional pressure relief control system according to claim 4; It is characterized in that: described touch screen (11) manually is that unit of time sets pressure release time command signal with the second; Described programmable controller (12) can be exported suitable ratio control signal to ratio plate (13) according to the pressure release time command signal of touch screen (11) input and the pressure signal of pressure transducer (22) feedback after the accurate computing in inside, described ratio plate (13) amplifies output execution ratio electrical signal to proportion expression pilot Decompression valves (352) with the ratio control signal of receiving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220174025XU CN202545429U (en) | 2012-04-24 | 2012-04-24 | Segmental pressure release control system for vulcanizing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220174025XU CN202545429U (en) | 2012-04-24 | 2012-04-24 | Segmental pressure release control system for vulcanizing machine |
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| CN202545429U true CN202545429U (en) | 2012-11-21 |
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| CN201220174025XU Expired - Fee Related CN202545429U (en) | 2012-04-24 | 2012-04-24 | Segmental pressure release control system for vulcanizing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362494A (en) * | 2020-10-15 | 2021-02-12 | 中国特种设备检测研究院 | Hydraulic bulging test system |
| CN112856004A (en) * | 2020-12-30 | 2021-05-28 | 江苏安泰安全技术有限公司 | Proportional control safety valve pressure relief method and device |
-
2012
- 2012-04-24 CN CN201220174025XU patent/CN202545429U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362494A (en) * | 2020-10-15 | 2021-02-12 | 中国特种设备检测研究院 | Hydraulic bulging test system |
| CN112856004A (en) * | 2020-12-30 | 2021-05-28 | 江苏安泰安全技术有限公司 | Proportional control safety valve pressure relief method and device |
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| 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: 20121121 Termination date: 20180424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |