CN104214146A - Novel pressurized hydraulic device - Google Patents
Novel pressurized hydraulic device Download PDFInfo
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- CN104214146A CN104214146A CN201310210865.6A CN201310210865A CN104214146A CN 104214146 A CN104214146 A CN 104214146A CN 201310210865 A CN201310210865 A CN 201310210865A CN 104214146 A CN104214146 A CN 104214146A
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- control valve
- directional control
- solenoid directional
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- hydraulic fluid
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Abstract
The invention discloses a novel pressurized hydraulic device which comprises a power oil cylinder and a hydraulic control assembly connected with the power oil cylinder. The novel pressurized hydraulic device is characterized in that the hydraulic control assembly is mainly composed of a pressurizing oil cylinder, a first electromagnetic reversing valve, a second electromagnetic reversing valve and a third electromagnetic reversing valve, a first oil port of the first electromagnetic reversing valve is connected with a rodless cavity of the power oil cylinder, a second oil port of the first electromagnetic reversing valve is connected with a rod cavity of the pressurizing oil cylinder, a first oil port of the second electromagnetic reversing valve is connected with the second oil port of the first electromagnetic reversing valve, a second oil port of the second electromagnetic reversing valve is connected with a system pressure oil path, a third oil port of the second electromagnetic reversing valve is connected with a rodless cavity of the pressurizing oil cylinder, a first oil port of the third electromagnetic reversing valve is connected with the system pressure oil path, and a second oil port of the third electromagnetic reversing valve is connected with a rod cavity of the power oil cylinder. The novel pressurized hydraulic device is compact in structure, linkage between the two oil cylinders can be achieved, and the hydraulic pressure of the power oil cylinder can be increased when needed.
Description
Technical field
The invention belongs to technical field of hydraulic, be specifically related to a kind of hydraulic pressure installation being mainly used in realizing the supercharging of cooker forming press ejection cylinder.
Background technique
At present, in cooker forming press, ejection cylinder is placed on the base of press, after cooker has been suppressed, eject cooker.But some producer proposes to wish can by the pressure increase one times of ejection cylinder, using mould is counter fill after use as flanging oil cylinder.So the oil circuit that ejects of cooker forming press only provides system pressure when ejection cylinder is as liftout attachment, and eject oil path high-pressure when ejection cylinder uses as flanging oil cylinder and realize ejecting pressure and doubling.But there is no a kind of hydraulic pressure installation at present can meet above-mentioned requirements.
Summary of the invention
The object of the present invention is to provide the simple new type pressurized hydraulic pressure installation of a kind of structure, to solve the deficiencies in the prior art part.
For achieving the above object, the present invention adopts following technological scheme:
New type pressurized hydraulic pressure installation, the Hydraulic Conirol Unit comprising power cylinder and be connected with power cylinder, it is characterized in that, described Hydraulic Conirol Unit forms primarily of pressurizing cylinder, the first solenoid directional control valve, the second solenoid directional control valve and the 3rd solenoid directional control valve, first hydraulic fluid port of described first solenoid directional control valve is connected with the rodless cavity of described power cylinder, and its second hydraulic fluid port is connected with the rod chamber of described pressurizing cylinder; First hydraulic fluid port of described second solenoid directional control valve is connected with the second hydraulic fluid port of described first solenoid directional control valve, and its second hydraulic fluid port is connected with system pressure oil oil circuit, and its 3rd hydraulic fluid port is connected with the rodless cavity of described pressurizing cylinder; First hydraulic fluid port of described 3rd solenoid directional control valve is connected with described system pressure oil oil circuit, and its second hydraulic fluid port is connected with the rod chamber of described power cylinder.
As preferably, described first solenoid directional control valve is a two-position four-way solenoid directional control valve; Described second solenoid directional control valve is a three-position four-way electromagnetic directional valve; Described 3rd solenoid valve is a two-position four-way solenoid directional control valve.
As preferably, the 4th hydraulic fluid port of described second solenoid directional control valve is connected with oil return pond.
As preferably, the 3rd hydraulic fluid port of described first solenoid directional control valve is connected with oil return pond.
As preferably, the first hydraulic fluid port of described second solenoid directional control valve is connected in series an one-way valve with between the second hydraulic fluid port of described first solenoid directional control valve.
As preferably, between the 3rd hydraulic fluid port of described second solenoid directional control valve and the rodless cavity of described pressurizing cylinder, be connected in series one first one-way throttle valve.
As preferably, the 3rd hydraulic fluid port of described 3rd solenoid directional control valve is connected with oil return pond, and its connecting pipeline is connected in series one second one-way throttle valve.
As preferably, the rod chamber of described power cylinder is connected with oil return pond, its connecting pipeline is connected in series a safety valve.
The present invention, by adopting said structure, has following beneficial effect: (1) compact structure, can realize the interlock between two oil cylinders; Action between (2) two oil cylinders can not interfere with each other; (3) in two oil cylinder linkage processes, the present invention can realize the automatic repairing of oil cylinder, and each cylinder action switches steadily, eliminates hydraulic shock phenomenon; (4) electrical system adds corresponding interlocking, time delays, can realize flexible control.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
In figure:
1-power cylinder; 2-pressurizing cylinder; 3-the first solenoid directional control valve; 4-the second solenoid directional control valve; 5-the three solenoid directional control valve; 6-oil return pond; 7-one-way valve; 81-the first one-way throttle valve; 82-the second one-way throttle valve; 9-safety valve.
Now in conjunction with the accompanying drawings and embodiments the present invention is described in further detail.
Embodiment
As shown in Figure 1, new type pressurized hydraulic pressure installation of the present invention, forms primarily of power cylinder 1, pressurizing cylinder 2, first solenoid directional control valve 3, second solenoid directional control valve 4, the 3rd solenoid directional control valve 5, oil return pond 6, one-way valve 7, first one-way throttle valve 81, second one-way throttle valve 82 and safety valve 9.
Described power cylinder 1 is the ejection cylinder of cooker forming press, is placed on the base of press.The rod chamber of power cylinder is connected with oil return pond 6, and connecting pipeline is connected in series safety valve 9.
The first described solenoid directional control valve 3 is two-position four-way solenoid directional control valve, and its first hydraulic fluid port is connected with the rodless cavity of power cylinder 1, and its second hydraulic fluid port is connected with the rod chamber of pressurizing cylinder 2; Its 3rd hydraulic fluid port is connected with oil return pond 6.
The second described solenoid directional control valve 4 is three-position four-way electromagnetic directional valve, its first hydraulic fluid port is connected with the second hydraulic fluid port of the first solenoid directional control valve 3, its second hydraulic fluid port is connected with system pressure oil oil circuit, and its 3rd hydraulic fluid port is connected with the rodless cavity of pressurizing cylinder 2, and its 4th hydraulic fluid port is connected with oil return pond 6.
The 3rd described solenoid directional control valve 5 is two-position four-way solenoid directional control valve, its first hydraulic fluid port is connected with system pressure oil oil circuit, its second hydraulic fluid port is connected with the rod chamber of power cylinder 1, and its 3rd hydraulic fluid port is connected with oil return pond, and connecting pipeline is connected in series the second one-way throttle valve 82.
Described one-way valve 7 is serially connected on the pipeline between the first hydraulic fluid port of the second solenoid directional control valve and the second hydraulic fluid port of described first solenoid directional control valve.
The first described one-way throttle valve 81 is serially connected on the 3rd pipeline between hydraulic fluid port and the rodless cavity of pressurizing cylinder of the second solenoid directional control valve.
Working procedure of the present invention is as follows:
1, when ejection cylinder uses as liftout attachment:
The YV1 of the second solenoid directional control valve and the YV3 of the first solenoid directional control valve obtains electric, the YV4 dead electricity of the second solenoid directional control valve YV2 and the 3rd solenoid directional control valve, system pressure oil enters ejection cylinder rodless cavity with system pressure through the second solenoid directional control valve, one-way valve and the first solenoid directional control valve and drives ejection cylinder to eject cooker.The hydraulic oil of ejection cylinder rod chamber enters oil return pond through the 3rd solenoid directional control valve and the second one-way throttle valve; If when the hydraulic fluid pressure of rod chamber exceedes safety valve setting value, safety valve is opened, hydraulic oil enters oil return pond through safety valve.
The YV4 of the 3rd solenoid directional control valve obtains electric, YV1, YV2 of second solenoid directional control valve and the YV3 dead electricity of the first solenoid directional control valve, system pressure oil enters ejection cylinder rod chamber with system pressure through the 3rd solenoid directional control valve and drives ejection cylinder backhaul, and the hydraulic oil of ejection cylinder rodless cavity enters oil return pond through the first solenoid directional control valve.
2, ejection cylinder as flanging oil cylinder use need supercharging time:
The YV2 of the second solenoid directional control valve and the YV3 of the first solenoid directional control valve obtains electric, system pressure oil enters pressurizing cylinder rodless cavity with system pressure through the first one-way throttle valve, and the rodless cavity that the high pressure oil that pressurizing cylinder exports enters ejection cylinder through the first solenoid directional control valve realizes ejection cylinder supercharging.The hydraulic oil of ejection cylinder rod chamber enters oil return pond through the 3rd solenoid directional control valve and the second one-way throttle valve; If when the hydraulic fluid pressure of rod chamber exceedes safety valve setting value, safety valve is opened, hydraulic oil enters oil return pond through safety valve.
The YV4 of the 3rd solenoid directional control valve obtains electric, YV1 and YV2 of the second solenoid directional control valve and the YV3 dead electricity of the first solenoid directional control valve, and system pressure oil enters ejection cylinder rod chamber with system pressure and drives ejection cylinder backhaul; The hydraulic oil of ejection cylinder rodless cavity enters oil return pond through the first solenoid directional control valve.
Claims (8)
1. new type pressurized hydraulic pressure installation, the Hydraulic Conirol Unit comprising power cylinder and be connected with power cylinder, is characterized in that, described Hydraulic Conirol Unit forms primarily of pressurizing cylinder, the first solenoid directional control valve, the second solenoid directional control valve and the 3rd solenoid directional control valve,
First hydraulic fluid port of described first solenoid directional control valve is connected with the rodless cavity of described power cylinder, and its second hydraulic fluid port is connected with the rod chamber of described pressurizing cylinder;
First hydraulic fluid port of described second solenoid directional control valve is connected with the second hydraulic fluid port of described first solenoid directional control valve, and its second hydraulic fluid port is connected with system pressure oil oil circuit, and its 3rd hydraulic fluid port is connected with the rodless cavity of described pressurizing cylinder;
First hydraulic fluid port of described 3rd solenoid directional control valve is connected with described system pressure oil oil circuit, and its second hydraulic fluid port is connected with the rod chamber of described power cylinder.
2. new type pressurized hydraulic pressure installation according to claim 1, is characterized in that, described first solenoid directional control valve is a two-position four-way solenoid directional control valve; Described second solenoid directional control valve is a three-position four-way electromagnetic directional valve; Described 3rd solenoid valve is a two-position four-way solenoid directional control valve.
3. new type pressurized hydraulic pressure installation according to claim 2, is characterized in that, the 4th hydraulic fluid port of described second solenoid directional control valve is connected with oil return pond.
4. new type pressurized hydraulic pressure installation according to claim 2, is characterized in that, the 3rd hydraulic fluid port of described first solenoid directional control valve is connected with oil return pond.
5. new type pressurized hydraulic pressure installation according to claim 1 and 2, is characterized in that, the first hydraulic fluid port of described second solenoid directional control valve is connected in series an one-way valve with between the second hydraulic fluid port of described first solenoid directional control valve.
6. new type pressurized hydraulic pressure installation according to claim 1 and 2, is characterized in that, is connected in series one first one-way throttle valve between the 3rd hydraulic fluid port of described second solenoid directional control valve and the rodless cavity of described pressurizing cylinder.
7. new type pressurized hydraulic pressure installation according to claim 1 and 2, the 3rd hydraulic fluid port of described 3rd solenoid directional control valve is connected with oil return pond, and its connecting pipeline is connected in series one second one-way throttle valve.
8. new type pressurized hydraulic pressure installation according to claim 7, is characterized in that, the rod chamber of described power cylinder is connected with oil return pond, its connecting pipeline is connected in series a safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210865.6A CN104214146B (en) | 2013-05-30 | 2013-05-30 | Pressurization hydraulic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210865.6A CN104214146B (en) | 2013-05-30 | 2013-05-30 | Pressurization hydraulic device |
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| CN104214146A true CN104214146A (en) | 2014-12-17 |
| CN104214146B CN104214146B (en) | 2017-08-04 |
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| CN201310210865.6A Active CN104214146B (en) | 2013-05-30 | 2013-05-30 | Pressurization hydraulic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246422A (en) * | 2017-05-24 | 2017-10-13 | 晋中浩普液压设备有限公司 | A kind of reciprocating-type supercharger reversing arrangement and its application |
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| GB2159605A (en) * | 1984-06-01 | 1985-12-04 | Ming Chuan Shieh | Regenerating reflux valve |
| CN201173223Y (en) * | 2007-12-21 | 2008-12-31 | 洛阳锐腾机械技术有限公司 | Hydraulic control mechanism of fastening device suitable for screw-on of ordinary buckle and special buckle |
| US20090165450A1 (en) * | 2007-12-27 | 2009-07-02 | Cherney Mark J | Hydraulic system |
| CN201501119U (en) * | 2009-09-10 | 2010-06-09 | 郑州人造金刚石及制品工程技术研究中心有限公司 | A continuous pressurizing hydraulic control system of cubic press pressurizer |
| CN201650928U (en) * | 2010-03-15 | 2010-11-24 | 北汽福田汽车股份有限公司 | Hydraulic system |
| CN101941305A (en) * | 2009-09-21 | 2011-01-12 | 邵阳维克液压股份有限公司 | Hydraulic system of 4800T press machine |
| CN202123142U (en) * | 2011-06-16 | 2012-01-25 | 中国科学院金属研究所 | Extra high pressure system for realizing hydraulic forming of pipes in fluctuated loading |
| CN203348187U (en) * | 2013-05-30 | 2013-12-18 | 广东科达机电股份有限公司 | Novel supercharging hydraulic apparatus |
-
2013
- 2013-05-30 CN CN201310210865.6A patent/CN104214146B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2159605A (en) * | 1984-06-01 | 1985-12-04 | Ming Chuan Shieh | Regenerating reflux valve |
| CN201173223Y (en) * | 2007-12-21 | 2008-12-31 | 洛阳锐腾机械技术有限公司 | Hydraulic control mechanism of fastening device suitable for screw-on of ordinary buckle and special buckle |
| US20090165450A1 (en) * | 2007-12-27 | 2009-07-02 | Cherney Mark J | Hydraulic system |
| CN201501119U (en) * | 2009-09-10 | 2010-06-09 | 郑州人造金刚石及制品工程技术研究中心有限公司 | A continuous pressurizing hydraulic control system of cubic press pressurizer |
| CN101941305A (en) * | 2009-09-21 | 2011-01-12 | 邵阳维克液压股份有限公司 | Hydraulic system of 4800T press machine |
| CN201650928U (en) * | 2010-03-15 | 2010-11-24 | 北汽福田汽车股份有限公司 | Hydraulic system |
| CN202123142U (en) * | 2011-06-16 | 2012-01-25 | 中国科学院金属研究所 | Extra high pressure system for realizing hydraulic forming of pipes in fluctuated loading |
| CN203348187U (en) * | 2013-05-30 | 2013-12-18 | 广东科达机电股份有限公司 | Novel supercharging hydraulic apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246422A (en) * | 2017-05-24 | 2017-10-13 | 晋中浩普液压设备有限公司 | A kind of reciprocating-type supercharger reversing arrangement and its application |
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| CN104214146B (en) | 2017-08-04 |
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Effective date of registration: 20191209 Address after: 314300 Qinshan Industrial Park, Qinshan Street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Haiyan Shengyu Hardware Co., Ltd. Address before: 528313, No. 1, West Road, Guang Long Industrial Park, Chencun Town, Shunde District, Guangdong, Foshan Patentee before: KEDA CLEAN ENERGY CO., LTD. |
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Effective date of registration: 20201127 Address after: 233000 No.10, building 32, Zone 8, Guangcai market, bengshan District, Bengbu City, Anhui Province Patentee after: Bengbu Shangwei Intellectual Property Operations Co.,Ltd. Address before: 314300 Qinshan Industrial Park, Qinshan Street, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Haiyan Shengyu Hardware Co.,Ltd. |