CN201915133U - Hydraulic driving system of high-temperature aluminium slag pressing machine - Google Patents
Hydraulic driving system of high-temperature aluminium slag pressing machine Download PDFInfo
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- CN201915133U CN201915133U CN2010206233604U CN201020623360U CN201915133U CN 201915133 U CN201915133 U CN 201915133U CN 2010206233604 U CN2010206233604 U CN 2010206233604U CN 201020623360 U CN201020623360 U CN 201020623360U CN 201915133 U CN201915133 U CN 201915133U
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Abstract
The utility model discloses a hydraulic driving system of a high-temperature aluminium slag pressing machine, which is used in the field of non-ferrous metal cold-smelting, and comprises a dosing pump, a two-position four-way solenoid directional valve, a relief valve, a three-position four-way solenoid directional valve, a two-way hydraulic lock, a balance valve, a one-way throttle valve, a pressure relay, a position switch, hydraulic cylinders and an oil return filter. In the utility model, the hydraulic cylinders are synchronically controlled through an inlet throttle speed-regulation loop, a pressing head is stably pressed by the balance valve, the two-way hydraulic lock locks the pressing head and maintains the pressure, when the pressing head is pressed to be in place, the pressure relay gives out a pressure maintaining signal, the position switch controls the pressing head to lightly press a rollback position and gives out a pressing head downlink signal. The whole hydraulic pressure system is controlled by a PLC (Programmable Logic Controller) and has mutual and automatic control functions.
Description
1. affiliated technical field
The present invention relates to the liquid pressure executive system, be applied to the non-ferrous metal metallurgy industry.
2. background technology
In the smelting of aluminium and aluminium alloy, heavily refine and the regeneration process of useless assorted aluminium in, the generation of slag is inevitably, and along with the day by day increase of the increasing of primary aluminum consumption with secondary aluminum output, slag amount is also correspondingly increasing year by year.The aluminium slag treating processes of China almost all depends on manual operations, and labour intensity is big, and working space dust, smog are many, and environmental pollution is also bigger.Extrusion process is domestic and international a kind of advanced person's an aluminium slag treatment technology, cooled slag or can reclaim aluminium at short notice in nonoxidizing atmosphere, and good work environment, the level of automation height, also harmless to environment, can improve the rate of recovery of aluminium greatly.
Pressing the slag machine based on the high temperature aluminum slag of extrusion process principle design, is that the aluminium slag is packed in the slag pan, and exert pressure in top then, and molten aluminum is pushed out.Its fluid power system is the core component of pressing the slag machine equipment, directly affects high temperature aluminum and presses best pressure values in the slag process, dwell time and press the slag number of times, finally influences the rate of recovery of aluminium.In pressing the slag process, high temperature aluminum is cooled off gradually, and the load that imposes on pressure head increases gradually, therefore needs to improve the force value of topworks; And slag irregular distribution, speed of cooling and physical factor in slag pan differ, and makes pressure head be subjected to force unbalance, forms a big upsetting moment, needs to improve the ram movement stationarity, avoids the local pressure inequality; For simple to operate, guarantee reliability and security simultaneously, require to possess automatically and manual function.
3. summary of the invention
The objective of the invention is at present state of the art and present Research, design the twin-tub drive system that a kind of high temperature aluminum slag is pressed the slag machine, can realize the requirement of synchronization control, bigger pressure is provided simultaneously, improve the overall work efficient of whole hydraulic efficiency system.
The technical solution used in the present invention: pump of constant delivery type, two-position four-way solenoid operated directional valve, surplus valve, 3-position 4-way solenoid operated directional valve, bidirectional hydraulic lock, equilibrium valve, one-way throttle valve, pressure relay, travel switch, hydro-cylinder, purolator, fuel tank; The oil-in of pump of constant delivery type is communicated with fuel tank; The oil outlet of pump of constant delivery type is communicated with the oil inlet P of 3-position 4-way solenoid operated directional valve, the oil-in of surplus valve, the oil-in of two-position four-way solenoid operated directional valve respectively; The oil outlet of surplus valve is communicated with fuel tank respectively with the oil outlet of two-position four-way solenoid operated directional valve; The oil return inlet T of 3-position 4-way solenoid operated directional valve is communicated with the oil-in of purolator; The oil outlet of purolator is communicated with fuel tank; Oil outlet A, the B of 3-position 4-way solenoid operated directional valve is communicated with the oil-in of bidirectional hydraulic lock respectively; The oil outlet of bidirectional hydraulic lock is communicated with the oil-in of one-way throttle valve respectively; The oil outlet of one-way throttle valve is communicated with the rodless cavity of hydro-cylinder; Pressure relay is placed on the oil outlet of one-way throttle valve; The check valve oil-in end of one-way throttle valve is communicated with the rod chamber of hydro-cylinder; The check valve oil outlet end of one-way throttle valve is communicated with the oil-in of equilibrium valve; The oil outlet of equilibrium valve is communicated with the oil outlet of bidirectional hydraulic lock; Travel switch is installed on the frame of certain altitude position, slag pan top.
The two-position four-way solenoid operated directional valve guarantees that pump of constant delivery type starts under unloading condition, surplus valve is used for setting up the system pressure value, one-way throttle valve is adjusted two hydro-cylinder oil-in flow velocitys, thereby control pressure head travelling speed, realize two hydraulic cylinder synchronous, the 3-position 4-way solenoid operated directional valve of y-function and bidirectional hydraulic lock guarantee that pressure head is in pressure slag peak pressure place's locking and pressurize, pressure relay is pressing slag peak pressure place to send the pressurize signal, travel switch is installed in the certain altitude position, when touching, sends pressure head spacing electrical signal, the machinery stop is eliminated the progressive error in the travel of piston, guarantees the synchronization accuracy of two hydro-cylinders.
The favourable benefit that the present invention has:
1) this fluid power system adopts the inlet throttle speed governing that mechanical stop is set simultaneously and eliminates progressive error, guarantees that two hydro-cylinders are synchronous in real time, compares single cylinder and drives, and can obtain bigger more stable thrust.
2) whole hydraulic efficiency system adopts PLC control, has automatically and manual controlled function.Pressure head presses down when putting in place, and pressure relay sends the pressurize signal; According to factors such as aluminium slag ingredient, physical propertys,, thereby reach the highest metal recovery rate by PLC programmed settings dwell time and squeezing number of times.
This open-loop hydraulic system, simple in structure, the synchronization accuracy height, device fabrication, maintenance cost are low, and operational safety is pressed slag efficient height, and environmental protection and energy saving more can adapt to engineering and use actual needs.
Description of drawings
Hydraulic system principle figure
Embodiment
As shown in drawings, the present invention includes pump of constant delivery type (1), two-position four-way solenoid operated directional valve (2), surplus valve (3), 3-position 4-way solenoid operated directional valve (4), unidirectional speed-regulating valve (7), bidirectional hydraulic lock (5), equilibrium valve (6), pressure relay (8), travel switch (9), hydro-cylinder (10), purolator (11), fuel tank (12); The oil-in of pump of constant delivery type (1) is communicated with fuel tank; The oil outlet of pump of constant delivery type (1) is communicated with the oil inlet P of 3-position 4-way solenoid operated directional valve (4), the oil-in of surplus valve (3), the oil-in of two-position four-way solenoid operated directional valve (2) respectively; The oil outlet of surplus valve (3) is communicated with fuel tank (12) respectively with the oil outlet of two-position four-way solenoid operated directional valve (2); The oil return inlet T of 3-position 4-way solenoid operated directional valve (4) is communicated with the oil-in of purolator (11); The oil outlet of purolator (11) is communicated with fuel tank (12); Oil outlet A, the B of 3-position 4-way solenoid operated directional valve (4) is communicated with the oil-in of bidirectional hydraulic lock (5) respectively; The oil outlet of bidirectional hydraulic lock (5) is communicated with the oil-in of one-way throttle valve (7) respectively; The oil outlet of one-way throttle valve (7) is communicated with the rodless cavity of hydro-cylinder (10); Pressure relay (8) is placed on the oil outlet of one-way throttle valve (7); The check valve oil-in end of one-way throttle valve (7) is communicated with the rod chamber of hydro-cylinder (10,11); The check valve oil outlet end of one-way throttle valve (7) is communicated with the oil-in of equilibrium valve (6); The oil outlet of equilibrium valve (6) is communicated with the oil outlet of bidirectional hydraulic lock (5); Travel switch (9) is installed on the frame of certain altitude position, slag pan top.
Principle of work of the present invention is as follows:
When pressure head (13) when starting working, pressure head (13) descends, and should make two-position four-way solenoid operated directional valve (2) 1YA energising earlier.System pressure oil enters the oil inlet P of 3-position 4-way solenoid operated directional valve (4), 3-position 4-way solenoid operated directional valve (4) 3YA energising this moment, switch to the working order right-hand member, the oil inlet P of 3-position 4-way solenoid operated directional valve (5) is communicated with oil outlet A, oil return inlet T communicates with oil outlet B, pressure oil flows out through the oil outlet A of three position four-way directional control valve (4), enter one-way throttle valve (7.1) respectively after entering bidirectional hydraulic lock (5), (7.2), flow out from the oil outlet of speed-regulating valve, enter hydro-cylinder (10.1), (10.2) rodless cavity, the piston rod that promotes hydro-cylinder moves downward, the pressure oil of the rod chamber of hydro-cylinder is by one-way throttle valve (7.3), (7.4) check valve flows into the oil-in of equilibrium valve (6), equilibrium valve (6) Long-distance Control mouth connects the preceding throttling speed-regulating valve oil inlet end of rodless cavity, make the rod chamber of hydro-cylinder form certain back pressure, when opening equilibrium valve, make pressure oil flow out equilibrium valve (6), enter into bidirectional hydraulic lock (5), after bidirectional hydraulic lock (5) outflow, enter the oil outlet B of 3-position 4-way solenoid operated directional valve (4), oil return inlet T from 3-position 4-way solenoid operated directional valve (4) flows out then, flows back to fuel tank (12) at last after filtering by strainer (11).When the piston of hydro-cylinder moves downward, after pressure head (13) touches the high temperature aluminum slag, load increases gradually, pressure relay (8) is used for detecting in real time the propelling pressure of hydro-cylinder (10), when detected propelling pressure equaled predefined ultimate pressure value, 3-position 4-way solenoid operated directional valve (4) 3YA outage was in meta, bidirectional hydraulic lock (5) locking, the piston rod of hydro-cylinder is fixed, and pressure head (13) keeps certain pressure that the high temperature aluminum slag is carried out press filtration.
After the downward press filtration action of pressure head (13) is finished, in the time of need getting back to zero position, pressure head (13) gos up, 3-position 4-way solenoid operated directional valve (4) 2YA energising, switch to the working order left end, 3-position 4-way solenoid operated directional valve (4) oil inlet P be communicated with oil outlet B, oil return inlet T communicates with oil outlet A, pressure oil flows out through the oil outlet A of 3-position 4-way solenoid operated directional valve (4), enter the check valve of bidirectional hydraulic lock (5) back by equilibrium valve (6), enter one-way throttle valve (7.1) respectively, (7.2), flow out from the oil outlet of throttling valve, enter hydro-cylinder (10.1), (10.2) rod chamber, the piston rod that promotes hydro-cylinder moves upward, the pressure oil of the rodless cavity of hydro-cylinder is by one-way throttle valve (7.1), (7.2) check valve flows into bidirectional hydraulic lock (5), after bidirectional hydraulic lock (5) outflow, enter the oil outlet A of 3-position 4-way solenoid operated directional valve (4), oil return inlet T from 3-position 4-way solenoid operated directional valve (4) flows out then, flows back to fuel tank (12) at last after filtering by purolator (11).Behind the block depression stroke switch (9.1) on the piston rod, (9.2), meta is got back in 3-position 4-way solenoid operated directional valve (4) 2YA outage.
Claims (1)
1. the hydraulic drive Controlling System of a high temperature aluminum slag pressure slag machine is characterized in that comprising: pump of constant delivery type (1), two-position four-way solenoid operated directional valve (2), surplus valve (3), 3-position 4-way solenoid operated directional valve (4), bidirectional hydraulic lock (5), equilibrium valve (6), one-way throttle valve (7), pressure relay (8), travel switch (9), hydro-cylinder (10), purolator (11), fuel tank (12); The oil-in of pump of constant delivery type (1) is communicated with fuel tank (12); The oil outlet of pump of constant delivery type (1) is communicated with the oil inlet P of 3-position 4-way solenoid operated directional valve (4), the oil-in of surplus valve (3), the oil-in of two-position four-way solenoid operated directional valve (2) respectively; The oil outlet of surplus valve (3) is communicated with fuel tank (12) respectively with the oil outlet of two-position four-way solenoid operated directional valve (2); The oil return inlet T of 3-position 4-way solenoid operated directional valve (4) is communicated with the oil-in of purolator (11); The oil outlet of purolator (11) is communicated with fuel tank (12); Oil outlet A, the B of 3-position 4-way solenoid operated directional valve (4) is communicated with the oil-in of bidirectional hydraulic lock (5) respectively; The oil outlet of bidirectional hydraulic lock (5) is communicated with the oil-in of one-way throttle valve (7) respectively; The oil outlet of one-way throttle valve (7) is communicated with the rodless cavity of hydro-cylinder (10); Pressure relay (8) is placed on the oil outlet of one-way throttle valve (7); The check valve oil-in end of one-way throttle valve (7) is communicated with the rod chamber of hydro-cylinder (10); The check valve oil outlet end of one-way throttle valve (7) is communicated with the oil-in of equilibrium valve (6); The oil outlet of equilibrium valve (6) is communicated with the oil outlet of bidirectional hydraulic lock (5); Travel switch (9) is installed on the frame of certain altitude position, slag pan top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206233604U CN201915133U (en) | 2010-11-25 | 2010-11-25 | Hydraulic driving system of high-temperature aluminium slag pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206233604U CN201915133U (en) | 2010-11-25 | 2010-11-25 | Hydraulic driving system of high-temperature aluminium slag pressing machine |
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| CN201915133U true CN201915133U (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206233604U Expired - Fee Related CN201915133U (en) | 2010-11-25 | 2010-11-25 | Hydraulic driving system of high-temperature aluminium slag pressing machine |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330712A (en) * | 2011-10-16 | 2012-01-25 | 西安建筑科技大学 | Sectional hydraulic synchronous circuit |
| CN102628459A (en) * | 2012-04-12 | 2012-08-08 | 中联重科股份有限公司 | Multi-oil-cylinder synchronous control system and engineering vehicle |
| CN102897687A (en) * | 2012-09-27 | 2013-01-30 | 浙江大学 | Pure water hydraulic drive system of lifting platform |
| CN104155231A (en) * | 2014-04-02 | 2014-11-19 | 山东省鲁北地质工程勘察院 | Corrosion performance testing device and method for deep brine formation filter pipe |
| CN104613035A (en) * | 2014-12-18 | 2015-05-13 | 成都佳美嘉科技有限公司 | Hydraulic control system of rubber sealing strip corner jointing machine |
| CN104988323A (en) * | 2015-06-11 | 2015-10-21 | 深圳市阿尔泰克铝业设备制造有限公司 | Hot aluminum slag treatment equipment circuit and control method of thereof |
| CN108071629A (en) * | 2017-12-14 | 2018-05-25 | 北京航天发射技术研究所 | A kind of double multi-stage oil cylinder synchronous lifting hydraulic systems |
| CN108087369A (en) * | 2016-11-22 | 2018-05-29 | 重庆大江工业有限责任公司 | A kind of hydraulic pressure support leveling system for vehicle |
| CN108953279A (en) * | 2018-08-21 | 2018-12-07 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of double formula synchronous hydraulic cylinders out of double piston-rod |
| CN109026907A (en) * | 2018-10-26 | 2018-12-18 | 杭州先力液压机械有限公司 | Oil cylinder special test platform and its test method |
| CN110862047A (en) * | 2019-11-20 | 2020-03-06 | 江苏力维液压装备有限公司 | Hydraulic control device and method for explosion-proof synchronous circuit for elevator |
| CN111102258A (en) * | 2020-01-15 | 2020-05-05 | 天津市中重科技工程有限公司 | Tear roller manipulator hydraulic control system open |
| CN112392801A (en) * | 2019-08-02 | 2021-02-23 | 上海梅山钢铁股份有限公司 | Device for preventing oil from being bundled by hydraulic system |
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2010
- 2010-11-25 CN CN2010206233604U patent/CN201915133U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330712B (en) * | 2011-10-16 | 2013-11-20 | 西安建筑科技大学 | Sectional hydraulic synchronous circuit |
| CN102330712A (en) * | 2011-10-16 | 2012-01-25 | 西安建筑科技大学 | Sectional hydraulic synchronous circuit |
| CN102628459B (en) * | 2012-04-12 | 2015-06-17 | 中联重科股份有限公司 | Multi-oil-cylinder synchronous control system and engineering vehicle |
| CN102628459A (en) * | 2012-04-12 | 2012-08-08 | 中联重科股份有限公司 | Multi-oil-cylinder synchronous control system and engineering vehicle |
| CN102897687A (en) * | 2012-09-27 | 2013-01-30 | 浙江大学 | Pure water hydraulic drive system of lifting platform |
| CN104155231B (en) * | 2014-04-02 | 2017-07-14 | 山东省鲁北地质工程勘察院 | A kind of Deep Formation Brine stratum filter pipe corrosive nature test device and method of testing |
| CN104155231A (en) * | 2014-04-02 | 2014-11-19 | 山东省鲁北地质工程勘察院 | Corrosion performance testing device and method for deep brine formation filter pipe |
| CN104613035A (en) * | 2014-12-18 | 2015-05-13 | 成都佳美嘉科技有限公司 | Hydraulic control system of rubber sealing strip corner jointing machine |
| CN104988323A (en) * | 2015-06-11 | 2015-10-21 | 深圳市阿尔泰克铝业设备制造有限公司 | Hot aluminum slag treatment equipment circuit and control method of thereof |
| CN108087369A (en) * | 2016-11-22 | 2018-05-29 | 重庆大江工业有限责任公司 | A kind of hydraulic pressure support leveling system for vehicle |
| CN108071629A (en) * | 2017-12-14 | 2018-05-25 | 北京航天发射技术研究所 | A kind of double multi-stage oil cylinder synchronous lifting hydraulic systems |
| CN108071629B (en) * | 2017-12-14 | 2020-06-19 | 北京航天发射技术研究所 | Synchronous lifting hydraulic system with double multi-stage oil cylinders |
| CN108953279A (en) * | 2018-08-21 | 2018-12-07 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of double formula synchronous hydraulic cylinders out of double piston-rod |
| CN109026907A (en) * | 2018-10-26 | 2018-12-18 | 杭州先力液压机械有限公司 | Oil cylinder special test platform and its test method |
| CN109026907B (en) * | 2018-10-26 | 2023-12-19 | 浙江匠心液压科技有限公司 | Test bench special for oil cylinder and test method thereof |
| CN112392801A (en) * | 2019-08-02 | 2021-02-23 | 上海梅山钢铁股份有限公司 | Device for preventing oil from being bundled by hydraulic system |
| CN110862047A (en) * | 2019-11-20 | 2020-03-06 | 江苏力维液压装备有限公司 | Hydraulic control device and method for explosion-proof synchronous circuit for elevator |
| CN111102258A (en) * | 2020-01-15 | 2020-05-05 | 天津市中重科技工程有限公司 | Tear roller manipulator hydraulic control system open |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20121125 |