CN203110191U - Roll spacing adjustment and safe disengagement hydraulic system for open mill - Google Patents
Roll spacing adjustment and safe disengagement hydraulic system for open mill Download PDFInfo
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- CN203110191U CN203110191U CN 201320016139 CN201320016139U CN203110191U CN 203110191 U CN203110191 U CN 203110191U CN 201320016139 CN201320016139 CN 201320016139 CN 201320016139 U CN201320016139 U CN 201320016139U CN 203110191 U CN203110191 U CN 203110191U
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- control valve
- valve
- pressure
- fuel tank
- pressure sensor
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Abstract
The utility model discloses a roll spacing adjustment and safe disengagement hydraulic system for an open mill. the system is characterized by comprising a hydraulic pump station, a control valve set and a synchronous oil cylinder, wherein the hydraulic pump station comprises an oil tank, an oil pump motor set, a high-pressure filter, an energy accumulator and a return oil filter; the oil pump motor set is connected with a special block which is connected with a control valve set; the special block comprises a high-pressure filter, an electromagnetic directional valve, a pressure sensor a and a pressure measuring joint; the control valve set comprises a proportional servo valve, a closed loop controller, an electromagnetic valve and a pressure sensor b; the synchronous oil cylinder is fixed on host equipment through a position sensor; and the synchronous oil cylinder is provided with an oil port. The system has the advantages that adjustment is convenient and reliable; the working performance of the open mill is improved; the structure is simple; the power output density is large; the control precision is high, the action response is quick, the spacing change rubber milling process is achieved, the performance is reliable, and the service life is long.
Description
Technical field
The utility model relates to a kind of mill roll spacing adjusting and safe escape hydraulic system.
Background technology
Mill is that tire is processed very important equipment, aspect the large-scale mill of tire production, mainly tire product is plasticated technologies such as mixing, whole refining, compressing tablet, heat refining.During mill work, rotation by rotating relatively two rollers, formation is to frictional force and the adhesion of sizing material, with the sizing material that forms between two rollers in the roll spacing slit, produce and shear and roll effect, under the effect of mechanical compressing tablet and temperature rising, make the oxidation of sizing material strand, the sizing material strand disconnects and differentiation, reaches out the required sizing material of sweetening process requirement.
Requirement of mill is to adopt mechanical roll-setting gear.Move by roller after the mechanical adjustment, keep roll gap between two rollers.Also use the machine security sheet to play the load pressure overload protective function simultaneously, when when overload, the machine security sheet is fracture earlier, and roller is moved, can be because of refining glue unusual or pressure overload damage mill.Can prevent that also overload or hard foreign matter from entering between two rollers roller surface is damaged.But mechanical roll-setting gear is because of the little inapplicable large-scale mill of its anti-load capacity, and the machine security sheet is tried hard to keep to protect to overload and had uncertain problem.
Therefore, be badly in need of a kind of improved technology and solve existing this problem in the prior art.
Summary of the invention
The purpose of this utility model provides a kind of mill roll spacing adjusting and safe escape hydraulic system.
The technical solution adopted in the utility model is:
A kind of mill roll spacing adjusting and safe escape hydraulic system is characterized in that: comprise hydraulic power unit, control valve group and synchronous fuel tank,
Described hydraulic power unit comprises fuel tank, the Oil pump electrical machinery group, high pressure filter, accumulator and return filter, described fuel tank connects Oil pump electrical machinery group and return filter, described Oil pump electrical machinery group connects dedicated block, described dedicated block connects the control valve group, described dedicated block comprises high pressure filter, solenoid directional control valve, pressure sensor a and pressure measuring tie-in, connect solenoid directional control valve successively between described high pressure filter and the control valve group, pressure sensor a and pressure measuring tie-in, be provided with check valve between described solenoid directional control valve and the pressure sensor a, connect accumulator between described check valve and the pressure sensor a, described pressure measuring tie-in connects Pressure gauge, be provided with miniature pressure measurement flexible pipe between described Pressure gauge and the pressure measuring tie-in, described solenoid directional control valve is provided with overflow valve, described solenoid directional control valve connects return filter, be provided with water cooler between described return filter and the solenoid directional control valve
Described control valve group comprises proportional servo valve, closed loop controller, magnetic valve, pressure sensor b, described proportional servo valve connects closed loop controller, magnetic valve, pressure sensor b, dedicated block, water cooler and synchronous fuel tank, described proportional servo valve is provided with amplifier, described magnetic valve is provided with overflow valve, described closed loop controller connects pressure sensor b, described pressure sensor b is fixed on the oil drain pan, and described oil drain pan is fixed on the main process equipment by reinforcement
Described synchronous fuel tank is fixed on the main process equipment by position sensor, and described synchronous fuel tank is provided with hydraulic fluid port, and described position sensor connects closed loop controller.
Also be provided with liquid level gauge, air filter, electric contact thermometer, fluid level controller on the described fuel tank.
Described Oil pump electrical machinery group is fixed on the fuel tank by vibration proof mounting.
The utility model has the advantages that: adopt the hydraulic distance-regulating oil cylinder to replace mechanical roll-setting gear, cancellation overload chip architecture, easy to adjust reliable, improve the mill service behaviour, it is simple in structure, the power output density is big, the control accuracy height, action response is fast, satisfies roll adjustment and changes rubber mixing technique, dependable performance, long service life.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is hydraulic system principle figure of the present utility model.
Fig. 2 is hydraulic power unit structural representation of the present utility model.
Fig. 3 is control valve group structural representation of the present utility model.
Fig. 4 is synchronous fuel tank structural representation of the present utility model.
Fig. 5 is fundamental diagram of the present utility model.
Wherein: 1, fuel tank, 2, liquid level gauge, 3, air filter, 4, electric contact thermometer, 5, fluid level controller, 6, the Oil pump electrical machinery group, 7, Pressure gauge, 8, miniature pressure measurement flexible pipe, 9, pressure measuring tie-in, 10, check valve, 11, high pressure filter, 12, overflow valve, 13, solenoid directional control valve, 14, amplifier, 15, return filter, 16, water cooler, 17, dedicated block, 18, pressure sensor a, 19, accumulator, 20, proportional servo valve, 21, closed loop controller, 22, magnetic valve, 23, oil drain pan, 24, pressure sensor b, 25, synchronous fuel tank, 26, position sensor, 27, hydraulic power unit, 28, the control valve group, 29, reinforcement, 30, main process equipment, 31, hydraulic fluid port, 32, vibration proof mounting.
The specific embodiment
Shown in Fig. 1-5, a kind of mill roll spacing adjusting of the present utility model and safe escape hydraulic system, comprise hydraulic power unit 27, control valve group 28 and synchronous fuel tank 25, described hydraulic power unit 27 comprises fuel tank 1, Oil pump electrical machinery group 6, high pressure filter 11, accumulator 19 and return filter 15, described fuel tank 1 connects Oil pump electrical machinery group 6 and return filter 15, described Oil pump electrical machinery group 6 connects dedicated block 17, described dedicated block 17 connects control valve group 28, described dedicated block 17 comprises high pressure filter 11, solenoid directional control valve 13, pressure sensor a18 and pressure measuring tie-in 9, connect solenoid directional control valve 13 successively between described high pressure filter 11 and the control valve group 28, pressure sensor a18 and pressure measuring tie-in 9, be provided with check valve 10 between described solenoid directional control valve 13 and the pressure sensor a18, connect accumulator 19 between described check valve 10 and the pressure sensor a18, described pressure measuring tie-in 9 connects Pressure gauge 7, be provided with miniature pressure measurement flexible pipe 8 between described Pressure gauge 7 and the pressure measuring tie-in 7, described solenoid directional control valve 13 is provided with overflow valve 12, described solenoid directional control valve 13 connects return filter 15, be provided with water cooler 16 between described return filter 15 and the solenoid directional control valve 13, described control valve group 28 comprises proportional servo valve 20, closed loop controller 21, magnetic valve 22, pressure sensor b24, described proportional servo valve 20 connects closed loop controller 21, magnetic valve 22, pressure sensor b24, dedicated block 17, water cooler 16 and synchronous fuel tank 25, described proportional servo valve 20 is provided with amplifier 14, described magnetic valve 22 is provided with overflow valve 12, described closed loop controller 21 connects pressure sensor b24, described pressure sensor b24 is fixed on the oil drain pan 23, described oil drain pan 23 is fixed on the main process equipment 30 by reinforcement 29, described synchronous fuel tank 25 is fixed on the main process equipment 30 by position sensor 26, described synchronous fuel tank 25 is provided with hydraulic fluid port 31, and described position sensor 26 connects closed loop controller 21.
Also be provided with liquid level gauge 2, air filter 3, electric contact thermometer 4, fluid level controller 5 on the described fuel tank 1.
Described Oil pump electrical machinery group 6 is fixed on the fuel tank 1 by vibration proof mounting 32.
Adopt the hydraulic distance-regulating oil cylinder to replace mechanical roll-setting gear, cancellation overload chip architecture, easy to adjust reliable, improve the mill service behaviour, it is simple in structure, and the power output density is big, the control accuracy height, and action response is fast, satisfy roll adjustment and change rubber mixing technique, dependable performance, long service life.
Operation principle:
Main frame PLC transmits control signal " equal mode " synchronous output order to servo proportion 20 and closed loop controller 21, amplifier 14 on the servo proportion 20 is directly controlled servo proportion 20 work, make hydraulic oil drive 25 motions of two synchronous fuel tanks, the variation of synchronous fuel tank 25 move distances is fed back in real time by position sensor 26, by closed loop controller correction deviation, to guarantee that two oil cylinders are synchronized with the movement and stop synchronously, reach control mill roll adjustment target.Pressure sensor 24 feeds back to main frame PLC with pressure feedback signal and monitors, in case that synchronous fuel tank 25 bears load force is excessive, pressure sensor 24 sends signal, and two synchronous fuel tanks 25 are return immediately simultaneously.The safety disc device of the similar mechanical roll adjustment mill of its effect.
It adopts proportioning valve and oil cylinder position sensor to form the closed loop Position Control.Provide the overload protection signal with pressure sensor.Realize synchronously and function treatment with controller.Roll spacing Position Control and Synchronization Control are regulated by proportioning valve.By zero-bit, the gain-adjusted of two closed loop proportional valves, the synchronization parameter fine setting is carried out at the scene.
Adopt the interior double-close-loop direct of proportioning valve to connect control mode, the user does not need to develop again servo-driver, or provide its closed-loop control signal, the user only need convert oil cylinder position sensor collection signal to normal voltage or form is sent in the electric current change, export to the instruction sampled signal end of servo proportion, and will control target (preset value is sent in the change of oil cylinder sensor) and export to another command signal end, proportioning valve namely can track to the goal-setting value automatically.Its control feature is to dispense a large amount of control interfaces and numerous and diverse control computing, thereby hardware requirement and the deployment cost of control system have been reduced greatly, adopt localized closed loop concurrent job mode, help significantly to promote the synchronous working frequency response, reduce system failure probability by simplified structure, make twin-tub become easy synchronously.
Claims (3)
1. a mill roll spacing adjusting and safe escape hydraulic system is characterized in that: comprise hydraulic power unit, control valve group and synchronous fuel tank,
Described hydraulic power unit comprises fuel tank, the Oil pump electrical machinery group, high pressure filter, accumulator and return filter, described fuel tank connects Oil pump electrical machinery group and return filter, described Oil pump electrical machinery group connects dedicated block, described dedicated block connects the control valve group, described dedicated block comprises high pressure filter, solenoid directional control valve, pressure sensor a and pressure measuring tie-in, connect solenoid directional control valve successively between described high pressure filter and the control valve group, pressure sensor a and pressure measuring tie-in, be provided with check valve between described solenoid directional control valve and the pressure sensor a, connect accumulator between described check valve and the pressure sensor a, described pressure measuring tie-in connects Pressure gauge, be provided with miniature pressure measurement flexible pipe between described Pressure gauge and the pressure measuring tie-in, described solenoid directional control valve is provided with overflow valve, described solenoid directional control valve connects return filter, be provided with water cooler between described return filter and the solenoid directional control valve
Described control valve group comprises proportional servo valve, closed loop controller, magnetic valve, pressure sensor b, described proportional servo valve connects closed loop controller, magnetic valve, pressure sensor b, dedicated block, water cooler and synchronous fuel tank, described proportional servo valve is provided with amplifier, described magnetic valve is provided with overflow valve, described closed loop controller connects pressure sensor b, described pressure sensor b is fixed on the oil drain pan, and described oil drain pan is fixed on the main process equipment by reinforcement
Described synchronous fuel tank is fixed on the main process equipment by position sensor, and described synchronous fuel tank is provided with hydraulic fluid port, and described position sensor connects closed loop controller.
2. a kind of mill roll spacing adjusting according to claim 1 and safe escape hydraulic system is characterized in that: also be provided with liquid level gauge, air filter, electric contact thermometer, fluid level controller on the described fuel tank.
3. a kind of mill roll spacing adjusting according to claim 1 and safe escape hydraulic system, it is characterized in that: described Oil pump electrical machinery group is fixed on the fuel tank by vibration proof mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016139 CN203110191U (en) | 2013-01-14 | 2013-01-14 | Roll spacing adjustment and safe disengagement hydraulic system for open mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016139 CN203110191U (en) | 2013-01-14 | 2013-01-14 | Roll spacing adjustment and safe disengagement hydraulic system for open mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203110191U true CN203110191U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016139 Expired - Lifetime CN203110191U (en) | 2013-01-14 | 2013-01-14 | Roll spacing adjustment and safe disengagement hydraulic system for open mill |
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| Country | Link |
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| CN (1) | CN203110191U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122150A (en) * | 2016-08-29 | 2016-11-16 | 大峘集团有限公司 | A kind of dosing control system |
| CN107725506A (en) * | 2017-10-23 | 2018-02-23 | 天津世仓工业设备有限公司 | A kind of numerical control press electrohydraulic servo-controlling system |
| CN114161606A (en) * | 2021-12-24 | 2022-03-11 | 泰兴市瑞兴橡塑机械有限公司 | Hydraulic adjusting tool of open mill |
-
2013
- 2013-01-14 CN CN 201320016139 patent/CN203110191U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122150A (en) * | 2016-08-29 | 2016-11-16 | 大峘集团有限公司 | A kind of dosing control system |
| CN107725506A (en) * | 2017-10-23 | 2018-02-23 | 天津世仓工业设备有限公司 | A kind of numerical control press electrohydraulic servo-controlling system |
| CN114161606A (en) * | 2021-12-24 | 2022-03-11 | 泰兴市瑞兴橡塑机械有限公司 | Hydraulic adjusting tool of open mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 749 Haimen seying Road, Haimen, Jiangsu, Jiangsu Patentee after: YOUWEILI HYDRAULIC TECHNOLOGY CO.,LTD. Address before: 226100 Jiangsu city of Nantong Province Haimen Haimen Town Road No. 749 Patentee before: Haimen Youweili Hydraulic Industry Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |