CN203532378U - Hydraulic device of water expansion machine - Google Patents
Hydraulic device of water expansion machine Download PDFInfo
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- CN203532378U CN203532378U CN201320546687.XU CN201320546687U CN203532378U CN 203532378 U CN203532378 U CN 203532378U CN 201320546687 U CN201320546687 U CN 201320546687U CN 203532378 U CN203532378 U CN 203532378U
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Abstract
The utility model discloses a hydraulic device of a water expansion machine. The hydraulic device of the water expansion machine can accurately control the speed and the pressure of hydraulic oil in a hydraulic system in an outside digital manner. The hydraulic device of the water expansion machine comprises a main oil cylinder, a pressure cylinder, a water cylinder used for injecting water into a mold and a water pump of the water cylinder. A piston of the pressure cylinder is connected with a piston of the water cylinder, and the main cylinder and the pressure cylinder are communicated with an oil cylinder. The hydraulic device of the water expansion machine further comprises an external electrical apparatus element capable of digitally inputting orders, and an oil way where the main cylinder, the pressure cylinder and the oil pump are connected is provided with a specific current and specific pressure valve which is provided with a signal input end used for receiving control signals generated by the external electrical apparatus element.
Description
Technical field
The utility model relates to a kind of water swelling machine hydraulic equipment.
Background technique
Water swelling machine is all to move to complete various process cycles by the control of hydraulic system and electrical system at present.Its working principle is as working medium by specific hydraulic fluid, by oil pump as power source, active force by oil pump makes hydraulic oil enter master cylinder by hydraulic plumbing system, utilizes the pressure of liquid to promote piston movement, then coordinates the water filling of water vat to complete various technique.Hydraulic plumbing system under prior art, by general solenoid valve, to control flow and the direction of hydraulic oil mostly, but the control response speed of general solenoid valve is slow, and this mode can not be controlled the speed of hydraulic oil, so the mode of conventional art is difficult to speed and the pressure of hydraulic oil in accurate oil circuit control, easily cause the working pressure of master cylinder not reach specified value, and pressure stability is poor, finally cause technological action precision low, homogeneity of product and the difficult quality produced meet production requirement.
Model utility content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of and can accurately control the speed of hydraulic oil in hydraulic system and the water swelling machine hydraulic equipment of pressure by extraneous digitized mode.
The technical solution of the utility model is: the water swelling machine hydraulic equipment that the utility model relates to comprises master cylinder, pressurized cylinder and for water vat and water pump thereof to mould water filling, the piston of described pressurized cylinder is connected in the piston of water vat, described master cylinder, pressurized cylinder are all communicated with oil pump, described water swelling machine hydraulic equipment also comprise one can digitizing the external electrical apparatus element of input instruction, on the oil circuit that described master cylinder, pressurized cylinder are connected with oil pump, be provided with one than flowing than pressure valve, this has the signal input part of the control signal of the described external electrical apparatus element generation of a reception than pressure valve than stream.
Further, described than flowing than being provided with the first three-position electromagnetic selector valve between pressure valve and master cylinder, one of them outlet is communicated to the cavity of resorption of master cylinder, and another outlet is communicated to epicoele and the fast cylinder of master cylinder.
Further, described the first three-position electromagnetic selector valve is communicated on the pipeline of epicoele of master cylinder and is provided with an electromagnetic speed-adjusting valve.
Further, described than flowing than being provided with the second three-position electromagnetic selector valve between pressure valve and pressurized cylinder, two outlet is communicated to respectively the chamber, left and right of pressurized cylinder.
Further, described water swelling machine hydraulic equipment also comprises a material returned cylinder, and described than flowing than being provided with the 3rd three-position electromagnetic selector valve between pressure valve and material returned cylinder, two outlet is communicated to respectively the chamber, left and right of material returned cylinder.
Further, the input front end of described oil pump and water pump is equipped with filter screen.
The beneficial effects of the utility model are: due to the hydraulic pressure installation in the utility model comprise one can digitizing the external electrical apparatus element of input instruction, described master cylinder, on the oil circuit that pressurized cylinder is connected with oil pump, be provided with one and compare pressure valve than stream, this has the signal input part of the control signal of the described external electrical apparatus element generation of a reception than pressure valve than stream, these external electrical apparatus element can show pressure and the speed of hydraulic oil in hydraulic system in real time, and can digital quantitative input instruction, the control signal that external electrical apparatus element produce acts on than stream and compares pressure valve, according to need of work, regulate in real time pressure and the speed of hydraulic oil in oil line pipe.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation.
It is as follows that critical piece indicates title:
1 cooler, 2,28 filter screens, 3 level meters, 4 oil pumps, 5,30 motor, 6 than flowing than pressure valve, 7,15,24,32 pressure gauges, 8 air-strainer, 9,10,11 three-position electromagnetic selector valves, 12 Decompression valvess, 13 material returned cylinders, 14,20 Pilot operated check valves, 15 pressure gauges, 16,23,33 pressure relayes, 17 sutaining valves, 18 pressurized cylinders, 19,25 two solenoid directional control valves, 21 electromagnetic speed-adjusting valves, 22,34 one-way valves, 26 master cylinders, 27 liquid-filling valves, 29 water pumps, 31 relief valves, 35 water vats, 36 fast cylinders.
Embodiment
Below just with specific embodiment, structure of the present utility model and working principle are further elaborated:
As shown in Figure 1, the water swelling machine hydraulic equipment that the utility model relates to, comprise master cylinder 26, pressurized cylinder 18 and for water vat 35 and water pump 29 thereof to mould water filling, the piston of described pressurized cylinder 18 is connected in the piston of water vat 35, described master cylinder 26, pressurized cylinder 18 are all communicated with oil pump 4, at the input front end of described oil pump 4 and water pump 29, are equipped with filter screen 28,2.Described water swelling machine hydraulic equipment also comprise one can digitizing the external electrical apparatus element of input instruction, on the oil circuit that described master cylinder 26, pressurized cylinder 18 are connected with oil pump 4, be provided with one than flowing than pressure valve 6, this has the signal input part of the control signal of the described external electrical apparatus element generation of a reception than pressure valve 6 than stream.Described than flowing than being provided with the first three-position electromagnetic selector valve 9 between pressure valve 6 and master cylinder 26, one of them outlet is communicated to the cavity of resorption of master cylinder 26, another outlet is communicated to epicoele and the fast cylinder 36 of master cylinder 26, and described the first three-position electromagnetic selector valve 9 is communicated on the pipeline of epicoele of master cylinder 26 and is provided with an electromagnetic speed-adjusting valve 21.Described than flowing than being provided with the second three-position electromagnetic selector valve 10 between pressure valve 6 and pressurized cylinder 18, two outlet is communicated to respectively the chamber, left and right of pressurized cylinder 18.Described water swelling machine hydraulic equipment also comprises a material returned cylinder 13, and described than flowing than being provided with the 3rd three-position electromagnetic selector valve 11 between pressure valve 6 and material returned cylinder 13, two outlet is communicated to respectively the chamber, left and right of material returned cylinder 13.
Above-mentioned ratio stream than pressure valve 6 by external electrical apparatus element flow and the pressure in can Digitizing And Control Unit, realize the controllable visible object of speed and pressure, to solve the pressing speed of water swelling oil hydraulic press and the problem that pressure on the numberization is controlled, its water swelling facility body running flow process is as follows:
Motor drives oil pump 4 fuel feeding, and fluid is through controlling flow and pressure than stream than pressure valve 6, and while YA2 obtains electric, through the first three-position electromagnetic selector valve 9, Pilot operated check valve 20, injects fast cylinder 36, opens liquid-filling valve 27 simultaneously, and master cylinder 26 is descending fast; Descending encounter turn slow switch after sender to YA9, fluid is by electromagnetic speed-adjusting valve 21, the rear epicoele that injects master cylinder 26 of one-way valve 22 simultaneously, when pressure rise to pressure relay switch 23 the force value of adjusting or encounter after descending limit switch YA2 dead electricity, master cylinder 26 pressurizes.Then through water pump 29 after water vat 35, mould moisturizing (3-10 second not etc.); fluid process is than flowing than pressure valve 6; YA4 obtains electric simultaneously; through the second three-position electromagnetic selector valve 10, inject the left chamber of pressurized cylinder 18; pressurized cylinder 18 pistons are advanced to the right; water supercharging in water vat 35 is injected to mould, and 31 safety protections of relief valve are used.When pressure increases to pressure relay 16 force value of adjusting or after encountering limit switch YA10, obtain electricly, master cylinder 26 upper cavity pressure oil are through solenoid valve 25 pressure releases.Then YA3 obtains electricly, and fluid injects the cavity of resorption of master cylinders 26 through sutaining valve 17, and Pilot operated check valve 20 pressurizeds are opened liquid-filling valve 27 simultaneously, and master cylinder 26 is realized quick return.Then YA5 obtains the right chamber that electric fluid injects pressurized cylinder 18, and pressurized cylinder 18 drives water vat 35 pistons to move to left simultaneously, arrives YA5 dead electricity when spacing that moves to left, and pressurized cylinder 18 is static.Now fluid, through than flowing than pressure valve 6 off-loads, flows into fuel tank by cooler 1.YA6 obtains electric subsequently, fluid injects material returned cylinder 13 through the 3rd three-position electromagnetic selector valve 11, material returned cylinder 13 is pushed away to the right, static after arrival lead limit switch, sender is to YA7, and fluid injects the right chamber of material returned cylinder 13 through the 3rd three-position electromagnetic selector valve 11, material returned cylinder 13 pistons are moved to left, arrival moves to left static after limit switch, and Decompression valves 12 is as reducing pressure.So far complete a whole set of do action.
Claims (6)
1. a water swelling machine hydraulic equipment, comprise master cylinder, pressurized cylinder and for water vat and water pump thereof to mould water filling, the piston of described pressurized cylinder is connected in the piston of water vat, described master cylinder, pressurized cylinder are all communicated with oil pump, it is characterized in that: described water swelling machine hydraulic equipment also comprise one can digitizing the external electrical apparatus element of input instruction, on the oil circuit that described master cylinder, pressurized cylinder are connected with oil pump, be provided with one than flowing than pressure valve, this has the signal input part of the control signal of the described external electrical apparatus element generation of a reception than pressure valve than stream.
2. water swelling machine hydraulic equipment according to claim 1, it is characterized in that: described than flowing than being provided with the first three-position electromagnetic selector valve between pressure valve and master cylinder, one of them outlet is communicated to the cavity of resorption of master cylinder, and another outlet is communicated to epicoele and the fast cylinder of master cylinder.
3. water swelling machine hydraulic equipment according to claim 2, is characterized in that: described the first three-position electromagnetic selector valve is communicated on the pipeline of epicoele of master cylinder and is provided with an electromagnetic speed-adjusting valve.
4. water swelling machine hydraulic equipment according to claim 1, is characterized in that: described than flowing than being provided with the second three-position electromagnetic selector valve between pressure valve and pressurized cylinder, two outlet is communicated to respectively the chamber, left and right of pressurized cylinder.
5. water swelling machine hydraulic equipment according to claim 1, it is characterized in that: described water swelling machine hydraulic equipment also comprises a material returned cylinder, described than flowing than being provided with the 3rd three-position electromagnetic selector valve between pressure valve and material returned cylinder, two outlet is communicated to respectively the chamber, left and right of material returned cylinder.
6. the water swelling machine hydraulic equipment described in any one according to claim 1 to 5, is characterized in that: the input front end at described oil pump and water pump is equipped with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546687.XU CN203532378U (en) | 2013-09-04 | 2013-09-04 | Hydraulic device of water expansion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546687.XU CN203532378U (en) | 2013-09-04 | 2013-09-04 | Hydraulic device of water expansion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532378U true CN203532378U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320546687.XU Expired - Lifetime CN203532378U (en) | 2013-09-04 | 2013-09-04 | Hydraulic device of water expansion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173483A (en) * | 2019-06-28 | 2019-08-27 | 北京三一智造科技有限公司 | Hydraulic system and rotary drilling rig |
-
2013
- 2013-09-04 CN CN201320546687.XU patent/CN203532378U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173483A (en) * | 2019-06-28 | 2019-08-27 | 北京三一智造科技有限公司 | Hydraulic system and rotary drilling rig |
| CN110173483B (en) * | 2019-06-28 | 2024-01-23 | 北京三一智造科技有限公司 | Hydraulic system and rotary drilling rig |
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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: 528000, No. 33, Taoyuan East Road, Songgang Industrial Park, lion Town, Nanhai District, Guangdong, Foshan (workshop two) Patentee after: GUANGDONG SIHAO HYDROFORMING TECHNOLOGY CO.,LTD. Address before: No. 33, Taoyuan East Road, Shishan Songgang Industrial Park, Nanhai District, Nanhai District, Foshan, Guangdong Patentee before: GUANGDONG SIHAO HYDRAULIC MACHINERY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |