CN205089704U - Oil pressure turbocharging system of function block in mould - Google Patents
Oil pressure turbocharging system of function block in mould Download PDFInfo
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- CN205089704U CN205089704U CN201520895479.XU CN201520895479U CN205089704U CN 205089704 U CN205089704 U CN 205089704U CN 201520895479 U CN201520895479 U CN 201520895479U CN 205089704 U CN205089704 U CN 205089704U
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- oil
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- pilot operated
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Abstract
The utility model relates to an oil pressure turbocharging system of function block in mould, including electric motor, quantitative gear oil pump, oil tank, hydraulic control device and a plurality of hydro -cylinder, the quantitative gear oil pump of electric motor drive is communicate with a plurality of hydro -cylinders through high pressure fuel pipe respectively to hydraulic control device fuel feeding, hydraulic control device by the oil tank, hydraulic control device includes magenetic exchange valve and high -pressure booster pump, is equipped with control circuit open -closed state's hydraulically controlled check valve between magenetic exchange valve and the high -pressure booster pump, room, pumping chamber and piston are pressed including the collection to the high pressure booster pump, the pumping chamber presses the room intercommunication through outside oil pipe with the collection, and is equipped with the check valve on the outside oil pipe, the collection is pressed the room and is passed through high pressure fuel pipe and a plurality of hydro -cylinders intercommunication. The utility model has the characteristics of reduce equipment noise, prevent high, the quick benefit oil of oily temperature rise, increase fast pumping rate, still can protect the valve body not assaulted by the high pressure, reduce the loss, improve the life of oil hydraulic system, can practice thrift the cost simultaneously.
Description
Technical field
The utility model relates to the oil pressure valve configuring technical of functional unit in mould, particularly relates to the oil pressure pressurization system of functional unit in a kind of mould.
Background technique
The male and female mould of general plastic parts moulding machining, automatically cast gate or punching is cut in order to perform, the demand functionally such as extrusion molding glue, usual meeting in male and female mould installation kit containing slide core and high-voltage oil cylinder at interior functional unit, so that when melting plastic cement injection die cavity in and the pressure maintaining period solidified of not yet rising again, slide core can be utilized to be used as away the valve at the cast gate place in solation road, or the valve of the exhaust port of die cavity, or cut the superfluous limit clout of plastic product, or punching is carried out to hole required in plastic product or groove, after product being risen again solidify, the smooth degree on appearance surfaces can be possessed, and economize the operation removing cast gate or burr clout.The die sinking of male and female mould, mould assembling action, and slide core moving back and forth on mould, all must rely on the oil pressure unit of powerful driving force to provide, and its die sinking, matched moulds need 120-150KG/CM
2low oil pressure power; Slide core then needs 600-1500KG/CM
2high oil pressure.
Current two-part supercharging module initial pressure 120-150KG/CM
2too high, oil pump can be caused to burn, separately lack one-way valve protection oil pump, when can cause hydraulic work, hydraulic oil backflow causes the pump housing to damage.
Model utility content
Technical problem to be solved in the utility model is to provide the oil pressure pressurization system of functional unit in a kind of mould with Protective valve, can regulate oil pressure according to different demand, can prevent high pressure oil under holding state from flowing backwards or oil pressure too high and damage motor and oil pump.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: the oil pressure pressurization system of functional unit in a kind of mould, comprise electric motor, quantitatively gear oil pump, fuel tank, hydraulic control device and multiple oil cylinder, described in described electrical motor driven, quantitative gear oil pump is by described fuel tank to described hydraulic control device fuel feeding, and described hydraulic control device is communicated with multiple described oil cylinder respectively by high-pressure oil pipe; Described hydraulic control device comprises the solenoid directional control valve and high-pressure booster that are interconnected by oil pipe, is provided with the Pilot operated check valve of oil circuit control open and-shut mode between described solenoid directional control valve and described high-pressure booster; Described high-pressure booster comprises the collection pressure chamber and pumping chamber holding and carry fluid, the piston matched with described high-pressure booster inwall is provided with, described collection pressure chamber drive the area of thrust surface of described piston to be less than area of thrust surface that described pumping chamber drives described piston between described collection pressure chamber and described pumping chamber; Described pumping chamber is communicated with described collection pressure chamber by external oil pipe, and described external oil pipe is provided with one-way valve; Described collection pressure chamber is communicated with multiple described oil cylinder by high-pressure oil pipe.
Further: described Pilot operated check valve comprises high pressure resistant Pilot operated check valve and low noise Pilot operated check valve, the filler opening of described high pressure resistant Pilot operated check valve is connected to described fuel tank, the oil outlet of described high pressure resistant Pilot operated check valve is connected to described collection pressure chamber, and the oil circuit control of described high pressure resistant Pilot operated check valve is connected to described solenoid directional control valve; The filler opening of described low noise Pilot operated check valve is connected to a side outlet of described solenoid directional control valve, the oil outlet of described low noise Pilot operated check valve is by being connected to described high-pressure booster, and the oil circuit control of described low noise Pilot operated check valve is connected to the opposite side outlet of described solenoid directional control valve.Described low noise Pilot operated check valve can reduce equipment noise, and described high pressure resistant Pilot operated check valve can ensure the normal oil supply performance of equipment at high-pressure booster to during multiple oil cylinder fuel feeding.
Further: to be respectively equipped with oil circuit between described low noise Pilot operated check valve and the pumping chamber of described high-pressure booster and to flow to the first contrary one-way valve and the second one-way valve, the 3rd one-way valve is provided with between described low noise Pilot operated check valve and described collection pressure chamber, the filler opening of described 3rd one-way valve is connected to described low noise Pilot operated check valve, and the oil outlet of described 3rd one-way valve is connected to described collection pressure chamber.
Further: to be provided with the low pressure preventing fluid from refluxing between described quantitative gear oil pump and described solenoid directional control valve and to insert formula one-way valve, the oil outlet that described low pressure inserts formula one-way valve is communicated with the filler opening of described solenoid directional control valve, and the hydraulic oil when holding state can be avoided to flow backwards and cause damage to electric motor or quantitative gear oil pump.
Further: the oil outlet place of described quantitative gear oil pump is provided with and ensures entire system pressure stability and the guide of superpressure can not insert formula relief valve, and the oil outlet end that described guide inserts formula relief valve is communicated with described quantitative gear oil pump.Described guide inserts formula relief valve can ensure that the integral pressure of system is stable and can not superpressure, controls inlet pressure, mainly contains the effect of control system pressure, Unloading Effect protection oil pump.
Further: described solenoid directional control valve is low discharge high pressure customization solenoid directional control valve.
Further: described solenoid directional control valve is the three-position four-way electromagnetic directional valve of H type meta all-pass.The solenoid directional control valve of meta all-pass can reduce whole oil circuit back pressure, and increase pressurize effect, when high-pressure booster also can be made to be failure to actuate, electric motor and oil pump no-load running, reduce wear, avoid high oil temperature.
Further: the oil outlet place of described quantitative gear oil pump is also provided with pressure buffer and pressure gauge.
Further: described fuel tank is provided with observation window of liquid level, temperature transducer and liquid level sensor.Temperature transducer can be used for detecting in time oily the temperature inside the box, and observation window of liquid level and liquid level sensor can be convenient to carry out monitoring in time, accurately to the liquid level in fuel tank.
Further: the return opening of described fuel tank is provided with forced air cooling but device.
Based on technique scheme; the beneficial effects of the utility model are: the utility model adopts multiple one-way valve, relief valve, Pilot operated check valve and high-pressure booster; to pressurized oil system, there is reliable protective action; reduce device damage; there is reduction equipment noise, prevent oil temperature from raising, fast repairing, speed the feature of pumping rate, also can protect valve body not by impacting with high pressure, Loss reducing; improve the working life of pressurized oil system, simultaneously cost-saved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1. electric motor, 2. quantitative gear oil pump, 3. high pressure resistant Pilot operated check valve, 4. guide inserts formula relief valve, 5. low pressure inserts formula relief valve, 6. solenoid directional control valve, 7. low noise Pilot operated check valve, 8. high-pressure booster, 81. pumping chambers, 82. collection pressure chambers, 83. pistons, 9. pressure buffer, 10. pressure gauge, 11. oil cylinders, 12. observation window of liquid levels, 13. temperature transducers, 14. liquid level sensors, 15. forced air coolings but device, 16. fuel tanks, 17. first one-way valves, 18. second one-way valves, 19. the 3rd one-way valves.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, the oil pressure pressurization system of functional unit in a kind of mould, comprise electric motor 1, quantitatively gear oil pump 2, fuel tank 16, hydraulic control device and multiple oil cylinder 11, described electric motor 1 drives described quantitative gear oil pump 2 by described fuel tank 16 to described hydraulic control device fuel feeding, and described hydraulic control device is communicated with multiple described oil cylinder 11 respectively by high-pressure oil pipe; Described hydraulic control device comprises the solenoid directional control valve 6 and high-pressure booster 8 that are interconnected by oil pipe, is provided with the Pilot operated check valve of oil circuit control open and-shut mode between described solenoid directional control valve 6 and described high-pressure booster 8; Described high-pressure booster 8 comprises the collection pressure chamber 82 and pumping chamber 81 holding and carry fluid, the piston 83 matched with described high-pressure booster 8 inwall is provided with, described collection pressure chamber 82 drive the area of thrust surface of described piston 83 to be less than area of thrust surface that described pumping chamber 81 drives described piston 83 between described collection pressure chamber 82 and described pumping chamber 81; Described pumping chamber 81 is communicated with described collection pressure chamber 82 by external oil pipe, and described external oil pipe is provided with one-way valve; Described collection pressure chamber 82 is communicated with multiple described oil cylinder 11 by high-pressure oil pipe.
Further: described Pilot operated check valve comprises high pressure resistant Pilot operated check valve 3 and low noise Pilot operated check valve 7, the filler opening of described high pressure resistant Pilot operated check valve 3 is connected to described fuel tank 16, the oil outlet of described high pressure resistant Pilot operated check valve 3 is connected to described collection pressure chamber 82, and the oil circuit control of described high pressure resistant Pilot operated check valve 3 is connected to described solenoid directional control valve 6; The filler opening of described low noise Pilot operated check valve 7 is connected to a side outlet of described solenoid directional control valve 6, the oil outlet of described low noise Pilot operated check valve 7 is by being connected to described high-pressure booster 8, and the oil circuit control of described low noise Pilot operated check valve 7 is connected to the opposite side outlet of described solenoid directional control valve 6.Described low noise Pilot operated check valve 7 can reduce equipment noise, and described high pressure resistant Pilot operated check valve 3 can ensure the normal oil supply performance of equipment at high-pressure booster 8 to during multiple oil cylinder 11 fuel feeding.
Further: to be respectively equipped with oil circuit between described low noise Pilot operated check valve 7 and the pumping chamber 81 of described high-pressure booster 8 and to flow to the first contrary one-way valve 17 and the second one-way valve 18, the 3rd one-way valve 19 is provided with between described low noise Pilot operated check valve 7 and described collection pressure chamber 82, the filler opening of described 3rd one-way valve 19 is connected to described low noise Pilot operated check valve 7, and the oil outlet of described 3rd one-way valve 19 is connected to described collection pressure chamber 82.The cracking pressure setting the first one-way valve 17 is 10KG/CM
2, and its filler opening is communicated with low noise Pilot operated check valve 7; The filler opening of the second one-way valve 18 is communicated with pumping chamber 81, and the rodless cavity oil return as high-pressure booster 8 uses; The cracking pressure setting the 3rd one-way valve 19 is 5KG/CM
2, can to open prior to the first one-way valve 17 and to repairing in described collection pressure chamber 82.
Further: to be provided with the low pressure preventing fluid from refluxing between described quantitative gear oil pump 2 and described solenoid directional control valve 6 and to insert formula one-way valve 5, the oil outlet that described low pressure inserts formula one-way valve 5 is communicated with the filler opening of described solenoid directional control valve 6, and the hydraulic oil when holding state can be avoided to flow backwards and cause damage to electric motor 1 or quantitative gear oil pump 2.
Further: the oil outlet place of described quantitative gear oil pump 2 is provided with and ensures entire system pressure stability and the guide of superpressure can not insert formula relief valve 4, and the oil outlet end that described guide inserts formula relief valve 4 is communicated with described quantitative gear oil pump 2.Described guide inserts formula relief valve 4 can ensure that the integral pressure of system is stable and can not superpressure, controls inlet pressure, mainly contains the effect of control system pressure, Unloading Effect protection oil pump.
Further: described solenoid directional control valve 6 is low discharge high pressure customization solenoid directional control valve 6.
Further: described solenoid directional control valve 6 is the three-position four-way electromagnetic directional valve of H type meta all-pass.The solenoid directional control valve 6 of meta all-pass can reduce whole oil circuit back pressure, and increase pressurize effect, when high-pressure booster 8 also can be made to be failure to actuate, electric motor 1 and quantitative gear oil pump 2 no-load running, reduce wear, avoid high oil temperature.
Further: the oil outlet place of described quantitative gear oil pump 2 is also provided with pressure buffer 9 and pressure gauge 10.
Further: described fuel tank 16 is provided with observation window of liquid level 12, temperature transducer 13 and liquid level sensor 14.
Further: the return opening of described fuel tank 16 is provided with forced air cooling but device 15.
When the system is operating, after electric motor 1 starts, quantitative gear oil pump 2 starts fuel feeding, and guide inserts formula relief valve 4 according to climatic conditioning 1-1200KG/CM
2the hydraulic oil of pressure range:
Insert formula relief valve 4 when system hydraulic pressure by guide and be adjusted to 50KG/CM
2, during YA1 energising, the left position of solenoid directional control valve 6 is opened, and hydraulic oil is through low noise Pilot operated check valve 7, and first opening cracking pressure is 5KG/CM
2the 3rd one-way valve 19 to collection pressure chamber 82 fuel feeding, then to open cracking pressure be 10KG/CM
2the first one-way valve 17 to pumping chamber 81 fuel feeding, then promote piston 83 to the further supercharging of collection pressure chamber 82, then completed by high-pressure oil pipe perform an action separately to multiple oil cylinder 11 fuel feeding;
Insert formula relief valve 4 when system hydraulic pressure by guide and be adjusted to 50KG/CM
2, during YA1 energising, the right position of solenoid directional control valve 6 is opened, and hydraulic oil enters collection pressure chamber 82, and piston 83 starts to retreat, and in collection pressure chamber 82, oil pressure starts to reduce, and when piston 83 retreats to initial bit, in collection pressure chamber 82, oil pressure is by 600KG/CM
2be down to 50KG/CM
2left and right, high pressure resistant Pilot operated check valve 3 is opened, and in collection pressure chamber 82, hydraulic oil is back to fuel tank 16, each free spring playback of multiple oil cylinder 11.
Wherein, the adoptable PLC of this system controls: in mould, the subsidiary PLC of functional unit controls, when injection machine need carry out on-line job with functional unit in mould, in mould, function control system needs to penetrate with reference to injection machine to water, pressurize, cooling, the parameters such as die sinking set, matched moulds signal be produced in mould during functional unit when feature die matched moulds, mould inner assembly carries out on-line job according to parameter, treat that injection machine is penetrated to water pressurize and terminate electromagnetic switch valve events to produce pressure high pressure fuel-displaced and carry out pressurize action by low noise Pilot operated check valve, die sinking signal is carried out after the cooling of feature die sizing material terminates, start opposite side electromagnetic switch valve events, carry out high pressure oil to have refluxed a series of actions.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the oil pressure pressurization system of functional unit in a mould, it is characterized in that: comprise electric motor, quantitatively gear oil pump, fuel tank, hydraulic control device and multiple oil cylinder, described in described electrical motor driven, quantitative gear oil pump is by described fuel tank to described hydraulic control device fuel feeding, and described hydraulic control device is communicated with multiple described oil cylinder respectively by high-pressure oil pipe;
Described hydraulic control device comprises the solenoid directional control valve and high-pressure booster that are interconnected by oil pipe, is provided with the Pilot operated check valve of oil circuit control open and-shut mode between described solenoid directional control valve and described high-pressure booster;
Described high-pressure booster comprises the collection pressure chamber and pumping chamber holding and carry fluid, the piston matched with described high-pressure booster inwall is provided with, described collection pressure chamber drive the area of thrust surface of described piston to be less than area of thrust surface that described pumping chamber drives described piston between described collection pressure chamber and described pumping chamber;
Described pumping chamber is communicated with described collection pressure chamber by external oil pipe, and described external oil pipe is provided with one-way valve; Described collection pressure chamber is communicated with multiple described oil cylinder by high-pressure oil pipe.
2. the oil pressure pressurization system of functional unit in a kind of mould according to claim 1, it is characterized in that, described Pilot operated check valve comprises high pressure resistant Pilot operated check valve and low noise Pilot operated check valve, the filler opening of described high pressure resistant Pilot operated check valve is connected to described fuel tank, the oil outlet of described high pressure resistant Pilot operated check valve is connected to described collection pressure chamber, and the oil circuit control of described high pressure resistant Pilot operated check valve is connected to described solenoid directional control valve; The filler opening of described low noise Pilot operated check valve is connected to a side outlet of described solenoid directional control valve, the oil outlet of described low noise Pilot operated check valve is by being connected to described high-pressure booster, and the oil circuit control of described low noise Pilot operated check valve is connected to the opposite side outlet of described solenoid directional control valve.
3. the oil pressure pressurization system of functional unit in a kind of mould according to claim 2, it is characterized in that, be respectively equipped with oil circuit between described low noise Pilot operated check valve and the pumping chamber of described high-pressure booster and flow to the first contrary one-way valve and the second one-way valve, the 3rd one-way valve is provided with between described low noise Pilot operated check valve and described collection pressure chamber, the filler opening of described 3rd one-way valve is connected to described low noise Pilot operated check valve, and the oil outlet of described 3rd one-way valve is connected to described collection pressure chamber.
4. the oil pressure pressurization system of functional unit in a kind of mould according to claim 1, it is characterized in that, be provided with the low pressure preventing fluid from refluxing between described quantitative gear oil pump and described solenoid directional control valve and insert formula one-way valve, the oil outlet that described low pressure inserts formula one-way valve is communicated with the filler opening of described solenoid directional control valve.
5. the oil pressure pressurization system of functional unit in a kind of mould according to claim 1, it is characterized in that, the oil outlet place of described quantitative gear oil pump is provided with and ensures entire system pressure stability and the guide of superpressure can not insert formula relief valve, and the oil outlet end that described guide inserts formula relief valve is communicated with described quantitative gear oil pump.
6. the oil pressure pressurization system of functional unit in a kind of mould according to claim 1, is characterized in that, described solenoid directional control valve is low discharge high pressure customization solenoid directional control valve.
7. the oil pressure pressurization system of functional unit in a kind of mould according to claim 6, it is characterized in that, described solenoid directional control valve is the three-position four-way electromagnetic directional valve of H type meta all-pass.
8., according to the oil pressure pressurization system of functional unit in the arbitrary described a kind of mould of claim 1 to 7, it is characterized in that, the oil outlet place of described quantitative gear oil pump is also provided with pressure buffer and pressure gauge.
9., according to the oil pressure pressurization system of functional unit in the arbitrary described a kind of mould of claim 1 to 7, it is characterized in that, described fuel tank is provided with observation window of liquid level, temperature transducer and liquid level sensor.
10., according to the oil pressure pressurization system of functional unit in the arbitrary described a kind of mould of claim 1 to 7, it is characterized in that, the return opening of described fuel tank is provided with forced air cooling but device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520895479.XU CN205089704U (en) | 2015-11-11 | 2015-11-11 | Oil pressure turbocharging system of function block in mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520895479.XU CN205089704U (en) | 2015-11-11 | 2015-11-11 | Oil pressure turbocharging system of function block in mould |
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| CN205089704U true CN205089704U (en) | 2016-03-16 |
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| CN201520895479.XU Active CN205089704U (en) | 2015-11-11 | 2015-11-11 | Oil pressure turbocharging system of function block in mould |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039721A (en) * | 2019-04-23 | 2019-07-23 | 重庆稳稳科技有限公司 | High-precision injection molding mold drive system |
| CN110374946A (en) * | 2018-04-13 | 2019-10-25 | 波音公司 | Hydraulic system for aircraft |
| CN112483511A (en) * | 2020-12-08 | 2021-03-12 | 四川凌峰航空液压机械有限公司 | Variable pressure ratio hydraulic pressure boost test system |
-
2015
- 2015-11-11 CN CN201520895479.XU patent/CN205089704U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374946A (en) * | 2018-04-13 | 2019-10-25 | 波音公司 | Hydraulic system for aircraft |
| CN110039721A (en) * | 2019-04-23 | 2019-07-23 | 重庆稳稳科技有限公司 | High-precision injection molding mold drive system |
| CN112483511A (en) * | 2020-12-08 | 2021-03-12 | 四川凌峰航空液压机械有限公司 | Variable pressure ratio hydraulic pressure boost test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180312 Address after: 523000 Sha Tung Road, Sha tou community, Dongguan, Dongguan, Guangdong Province, 3 Patentee after: Dongguan Yuan Yuan Automation Technology Co., Ltd. Address before: 430048 Wuhan City, Wuhan, Hubei Province, Dongxihu Huan Lake Road watermarks Taoyuan 11 101 Patentee before: Chen Fang |
|
| TR01 | Transfer of patent right |