CN207028120U - Fervent hydraulic control system in a kind of high pressing mold - Google Patents
Fervent hydraulic control system in a kind of high pressing mold Download PDFInfo
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- CN207028120U CN207028120U CN201720562763.4U CN201720562763U CN207028120U CN 207028120 U CN207028120 U CN 207028120U CN 201720562763 U CN201720562763 U CN 201720562763U CN 207028120 U CN207028120 U CN 207028120U
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Abstract
The utility model discloses fervent hydraulic control system in a kind of high pressing mold, the system includes:Low-pressure hydraulic system；It is connected with the low-pressure hydraulic system, for controlling low-pressure hydraulic system to provide the solenoid directional control valve of hydraulic oil flow direction；It is connected with the low-pressure hydraulic system and solenoid directional control valve, conveys the hydraulic fluid pressure come for continuously improving solenoid directional control valve, and conveying high-pressure hydraulic oil is extremely die cut the continuous hydraulic booster of oil cylinder；It is connected with the continuous hydraulic booster, for after continuous hydraulic booster institute conveying high-pressure hydraulic oil is received, providing high pressure by high pressure liquid force feed, making the cross cutting oil cylinder of mould inside cutting knife circulation work.Fervent hydraulic control system in high pressing mold provided by the utility model, avoids the sealing to piston so that and the hydraulic fluid oil pressure of output is high, flow velocity is fast, and driving cutting knife is quickly run, meanwhile, improve whole system working life and reduce system bulk, be easily installed.
Description
Technical field
It the utility model is related to fervent hydraulic control system in hydraulic control system field, more particularly to a kind of high pressing mold
System.
Background technology
Injection molding forming method master is the plastic material by melting by injection machine, die cavity is injected with high pressure, through cooling and solidifying
Afterwards, the method for obtaining products formed.Need to cut cast gate by the cutter of mould inside before product is ejected by push rod, should
Method is exactly fervent method in mould.The energy of cutter at work is mainly to be provided by hydraulic pressure or pneumatic control system.
Fervent control system in mould of the prior art, its generally use pneumatic pressure cylinder or hydraulic pressure booster cylinder supercharging,
Wherein pressurized cylinder piston is sealed by seal, is influenceed by seal characteristic, and piston seal pressure can not be too big, motion speed
Degree can not be too high, therefore earnestly the pressure of control system, speed and life-span are generally relatively low in whole mould, wherein, pneumatic pressure cylinder
Output pressure is in 0-50MPa or so, and control accuracy is low, and speed is slow, short life；Hydraulic pressure booster cylinder output pressure is left in 0-100MPa
The right side, speed is slow, short life.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide fervent hydraulic pressure in a kind of high pressing mold
Control system, it is intended to which the hydraulic fluid pressure for solving fervent hydraulic control system output in mould of the prior art is not high enough, it is impossible to
Meet the use demand of bigger pressure, hydraulic pressure oil flow rate is not fast enough, short life.
The technical solution of the utility model is as follows：
Fervent hydraulic control system in a kind of high pressing mold, wherein, the system includes:
For providing the low-pressure hydraulic system of hydraulic oil；
It is connected with the low-pressure hydraulic system, for controlling low-pressure hydraulic system to provide the electromagnetic switch of hydraulic oil flow direction
Valve；
It is connected with the low-pressure hydraulic system and solenoid directional control valve, the liquid come is conveyed for continuously improving solenoid directional control valve
Oil pressure, and conveying high-pressure hydraulic oil is extremely die cut the continuous hydraulic booster of oil cylinder；
It is connected with the continuous hydraulic booster, for receiving continuous hydraulic booster institute conveying high-pressure hydraulic oil
Afterwards, provide high pressure by high pressure liquid force feed, make the cross cutting oil cylinder of mould inside cutting knife circulation work.
In the further preferred embodiment of the utility model, the low-pressure hydraulic system is provided with an output circuit, and one
Oil return circuit；
It is provided with the output circuit：
Fuel tank, for storing low-pressure hydraulic oil；
Oil pump, it is connected with the fuel tank, for extracting low-pressure hydraulic oil and defeated to continuous hydraulic booster out from fuel tank
Send；
3rd check valve, it is arranged between oil pump and continuous hydraulic booster；
The oil return circuit includes：
Overflow valve, it is arranged between the 3rd check valve and fuel tank.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the solenoid directional control valve include PO interfaces,
TO interfaces, AO interfaces and BO interfaces；
When magnet coil is powered on the right side of solenoid directional control valve, PO interfaces and AO orifices, BO interfaces and TO orifices；
When magnet coil is powered on the left of solenoid directional control valve, PO interfaces and BO orifices, AO interfaces and TO orifices.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the continuous hydraulic booster is provided with：
P interfaces, T interfaces and HP interfaces；
The P interfaces and T interfaces are arranged on low pressure, input end, and the HP interfaces are arranged on high-voltage output end；
The low pressure, input end is connected with solenoid directional control valve, and high-voltage output end is connected with cross cutting oil cylinder.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the continuous hydraulic booster and cross cutting oil
A pressometer is provided between cylinder, the pressometer is used for the high pressure liquid force feed for detecting the output of continuous hydraulic booster
Pressure.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the pressometer is pressure gauge, institute
State pressure gauge and be provided with dial plate, the dial plate is used to show high-pressure and hydraulic oil pressure numerical value.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the pressometer is pressure inverting
Device, the pressure transmitter are connected with an electrical equipment, and the electrical equipment receives the electric signal of pressure transmitter output again
High-pressure and hydraulic oil pressure numerical value, control signal of the electric signal as fervent hydraulic control system in high pressing mold are shown afterwards.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the continuous hydraulic booster and cross cutting oil
A quick connector is provided between cylinder.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the solenoid directional control valve, continuous hydraulic increase
Depressor and cross cutting oil cylinder are provided with one or more, realize in a set of high pressing mold fervent hydraulic control system control one or
Multistation injection molding machine works.
Compared with prior art, fervent hydraulic control system in high pressing mold provided by the utility model, due to using company
Continuous hydraulic intensifier, avoids the sealing to piston so that the hydraulic fluid oil pressure of output is high（Maximum reachable 200MPa）, flow velocity it is fast,
Driving cutting knife is quickly run, meanwhile, fervent hydraulic control system working life in whole high pressing mold is improved, reduces volume, is easy to
Installation.
Brief description of the drawings
Fig. 1 is the fervent structural representation of hydraulic control system preferred embodiment in high pressing mold in the utility model.
Embodiment
The utility model provides fervent hydraulic control system in a kind of high pressing mold, to make the purpose of this utility model, technology
Scheme and effect are clearer, clear and definite, referring to the drawings and give an actual example to the utility model further description.It should manage
Solution, specific embodiment described herein only to explain the utility model, are not used to limit the utility model.
As shown in figure 1, fervent hydraulic control system in a kind of high pressing mold that the utility model embodiment provides, wherein, institute
Stating fervent hydraulic control system in high pressing mold includes:
For providing the low-pressure hydraulic system 100 of hydraulic oil；
It is connected with the low-pressure hydraulic system 100, for controlling low-pressure hydraulic system 100 to provide the electricity of hydraulic oil flow direction
Magnetic reversal valve 200；
It is connected with the low-pressure hydraulic system 100 and solenoid directional control valve 200, for continuously improving the institute of solenoid directional control valve 200
The hydraulic fluid pressure that conveying comes, and conveying high-pressure hydraulic oil is extremely die cut the continuous hydraulic booster 300 of oil cylinder 400；
It is connected with the continuous hydraulic booster 300, for receiving 300 conveying high-pressure liquid of continuous hydraulic booster
After force feed, provide high pressure by high pressure liquid force feed, make the cross cutting oil cylinder 400 of mould inside cutting knife circulation work.
When it is implemented, solenoid directional control valve 200 is three position four-way electromagnetic valve or two-position four-way solenoid valve, or other can reach
To the valve of similar functions, its valve element form selects according to low-pressure hydraulic system requirements, preferably O-shaped valve element or H type valve element.
The whole work process of continuous hydraulic booster 300 is broadly divided into low pressure topping up stage, pressurization stages, automatic pressure-maintaining rank
Section and release stage.
Each component in described high pressing mold in fervent hydraulic control system is all attached by oil pipe.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the low-pressure hydraulic system 100 is provided with
One output circuit, and an oil return circuit；
It is provided with the output circuit：
Fuel tank 101, for storing low-pressure hydraulic oil；
Oil pump 102, it is connected with the fuel tank 101, for extracting low-pressure hydraulic oil out from fuel tank 101 and to continuous hydraulic
Booster 200 conveys；
3rd check valve 103, it is arranged between oil pump 102 and continuous hydraulic booster 200；
The oil return circuit includes：
Overflow valve 104, it is arranged between the 3rd check valve 103 and fuel tank 101.
When it is implemented, low-pressure hydraulic system 100, which is mainly whole hydraulic control system, provides low-pressure hydraulic oil, the low pressure
Hydraulic oil is that the hydraulic oil suction belts in fuel tank 101 are gone out into the low-pressure hydraulic oil with certain pressure, low pressure liquid by oil pump 102
Force feed is flowed into solenoid directional control valve 200 by the 3rd check valve 103.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the solenoid directional control valve 200 connects including PO
Mouth, TO interfaces, AO interfaces and BO interfaces；
When the right side magnet coil of solenoid directional control valve 200 is powered, PO interfaces and AO orifices, BO interfaces connect with TO interfaces
It is logical；
When the left side magnet coil of solenoid directional control valve 200 is powered, PO interfaces and BO orifices, AO interfaces connect with TO interfaces
It is logical.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the continuous hydraulic booster 300 is set
Have：P interfaces, T interfaces and HP interfaces；
The P interfaces and T interfaces are arranged on low pressure, input end, and the HP interfaces are arranged on high-voltage output end；
The low pressure, input end is connected with solenoid directional control valve 200, and high-voltage output end is connected with cross cutting oil cylinder 400.
The major parameter of continuous hydraulic booster 300 is flow and pressure and pressure ratio of the hydraulic oil in low pressure, input end,
The mainly unidirectional continuous supercharging of supercharging mode.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the continuous hydraulic booster 300 is set
There are the first oil circuit, the second oil circuit, the 3rd oil circuit and the 4th oil circuit；
The first oil circuit head end is connected to P interfaces, and tail end is connected to HP interfaces, and hydraulic control one-way valve 302 is passed through in centre；
The second oil circuit head end is connected to P interfaces, and tail end is connected to HP interfaces, and the first check valve is passed through in centre successively
303 and second check valve 304；
The 3rd oil circuit head end is connected to P interfaces, and tail end is connected to HP interfaces, it is middle successively by pressurized cylinder 301 and
Second check valve 304；
The 4th oil circuit head end is connected to T interfaces, and tail end is connected to hydraulic control one-way valve 302.
When it is implemented, the right side magnet coil of solenoid directional control valve 200 is powered, the hydraulic oil in fuel tank 101 is by oil
Pump 102 extract out low-pressure hydraulic oil, PO interfaces are input to by output circuit, into solenoid directional control valve 200 after from AO interfaces flow out,
Continuous hydraulic booster 300 is flowed into by P interfaces again, the hydraulic oil of low pressure presses pressure ratio by continuous hydraulic booster 300
Example supercharging（Supercharging ratio has 2.5,3.4,3.4,4 etc., is selected according to load, and mainly low-pressure hydraulic oil is from P interface streams here
Enter to continuous hydraulic intensifier 300 by being pressurized）, it is transformed into after high pressure liquid force feed and is output to mould from continuous hydraulic booster HP interfaces
Cut oil cylinder 400, driving cross cutting oil cylinder presses 400 contracting spring movements so that with being die cut cutter that oil cylinder is connected by products formed and the mouth of a river
Separation.
The right side magnet coil power-off of solenoid directional control valve 200, due to the check valve 304 of hydraulic control one-way valve 302 and second
Reverse cut-off effect so that the high-pressure and hydraulic oil stream in cross cutting oil cylinder 400 can not be back to the first oil circuit, second after entering HP interfaces
In oil circuit and the 3rd oil circuit, the cross cutting automatic pressure-maintaining of oil cylinder 400 is realized；
The left side magnet coil of solenoid directional control valve 200 powers off, and the hydraulic oil in fuel tank 101 is extracted out low by oil pump 102
Hydraulic fluid is pressed oil, and PO interfaces are input to by output circuit, into solenoid directional control valve 200 after flowed out from BO interfaces, then pass through T interfaces
Continuous hydraulic booster 300 is flowed into, low-pressure hydraulic oil is flowed into hydraulic control one-way valve 302 by the 4th oil circuit, due to low pressure
The effect of hydraulic fluid pressure so that hydraulic control one-way valve 302 is turned on, and the high pressure liquid force feed being die cut in oil cylinder 400 is returned by HP interfaces
Continuous hydraulic booster 300 is flowed to, then flows out continuous hydraulic booster 300 by the first oil circuit, then flow into by AO interfaces
To solenoid directional control valve 200, flowed out by TO interfaces, be back to finally by oil return circuit in fuel tank 101, is die cut in oil cylinder 400
High pressure liquid force feed gradually decrease so that cross cutting oil cylinder in 400 pressure reduce, back-moving spring promote cross cutting oil cylinder 400 piston
Reset.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the continuous hydraulic booster 300 and mould
Cut and a pressometer 500 is provided between oil cylinder 400, the pressometer 500 is used to detect continuous hydraulic booster 300
The high-pressure and hydraulic oil pressure of output.
A pressometer 500 is set to be advantageous to monitor constantly between continuous hydraulic booster 300 and cross cutting oil cylinder 400
The pressure that high pressure liquid by the supercharging of continuous boost fluid depressor presses oil.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, in the 3rd check valve 103 and electromagnetic switch
Output circuit between valve 200 is provided with a low pressure measuring appliance, and the low pressure measuring appliance is used to measure low-pressure hydraulic
The low-pressure hydraulic oil pressure for being flowed into solenoid directional control valve of system.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the pressometer 500 is pressure gauge
501, the pressure gauge 501 is provided with dial plate, and the dial plate is used to show high-pressure and hydraulic oil pressure numerical value.
Pressure gauge 501 intuitively can include pressure value on dial plate very much, be advantageous to constantly to hydraulic fluid pressure
Adjustment.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the pressometer 500 becomes for pressure
Device 502 is sent, the pressure transmitter 502 is connected with an electrical equipment, and the electrical equipment receives pressure transmitter output again
Electric signal after show high-pressure and hydraulic oil pressure numerical value, control of the electric signal as fervent hydraulic control system in high pressing mold
Signal.
Pressure transmitter 502 is pressure sensor, can be used as by the electric signal of output and control other components
Control signal, for example the information for needing to be pressurized have issued by the electric signal, or send other control instructions.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the continuous hydraulic booster 300 and mould
Cut and be provided with a quick connector 600 between oil cylinder 400.
Quick connector 600 is the connected mode of the plug and play of most convenient, it is not necessary to can be realized as pipeline using instrument
The joint assembled and disassembled rapidly, it is especially very convenient in the connection of some pipelines.
Preferably, fervent hydraulic control system in described high pressing mold, wherein, the solenoid directional control valve, continuous hydraulic increase
Depressor and cross cutting oil cylinder are provided with one or more, realize in a set of high pressing mold fervent hydraulic control system control one or
Multistation injection molding machine works.
When it is implemented, can be connected with one or more reversal valves in the low-pressure hydraulic simultaneously, individually control
Hydraulic intensifier works, and so as to control cross cutting oil cylinder, realizes an equipment, controls one or more injection machine to work.
In summary, fervent hydraulic control system in high pressing mold provided by the utility model, due to using continuous hydraulic
Booster, avoid the sealing to piston so that the hydraulic fluid oil pressure of output is high（Maximum reachable 200MPa）, flow velocity it is fast, driving is cut
Knife is quickly run, meanwhile, fervent hydraulic control system working life in whole high pressing mold is improved, reduces volume, is easily installed.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit requires.
Claims (9)
- A kind of 1. fervent hydraulic control system in high pressing mold, it is characterised in that fervent hydraulic control system bag in the high pressing mold Include:For providing the low-pressure hydraulic system of hydraulic oil；It is connected with the low-pressure hydraulic system, for controlling low-pressure hydraulic system to provide the solenoid directional control valve of hydraulic oil flow direction；It is connected with the low-pressure hydraulic system and solenoid directional control valve, the hydraulic oil come is conveyed for continuously improving solenoid directional control valve Pressure, and conveying high-pressure hydraulic oil is extremely die cut the continuous hydraulic booster of oil cylinder；It is connected with the continuous hydraulic booster, for after continuous hydraulic booster institute conveying high-pressure hydraulic oil is received, leading to High pressure liquid force feed is crossed high pressure is provided, makes the cross cutting oil cylinder of mould inside cutting knife circulation work.
- 2. fervent hydraulic control system in high pressing mold according to claim 1, it is characterised in that the low-pressure hydraulic system It is provided with an output circuit, and an oil return circuit；It is provided with the output circuit：Fuel tank, for storing low-pressure hydraulic oil；Oil pump, it is connected with the fuel tank, for extracting low-pressure hydraulic oil out from fuel tank and being conveyed to continuous hydraulic booster；3rd check valve, it is arranged between oil pump and continuous hydraulic booster；The oil return circuit includes：Overflow valve, it is arranged between the 3rd check valve and fuel tank.
- 3. fervent hydraulic control system in high pressing mold according to claim 1, it is characterised in that the solenoid directional control valve bag Include PO interfaces, TO interfaces, AO interfaces and BO interfaces；When magnet coil is powered on the right side of solenoid directional control valve, PO interfaces and AO orifices, BO interfaces and TO orifices；When magnet coil is powered on the left of solenoid directional control valve, PO interfaces and BO orifices, AO interfaces and TO orifices.
- 4. fervent hydraulic control system in high pressing mold according to claim 1, it is characterised in that the continuous hydraulic supercharging Device is provided with：P interfaces, T interfaces and HP interfaces；The P interfaces and T interfaces are arranged on low pressure, input end, and the HP interfaces are arranged on high-voltage output end；The low pressure, input end is connected with solenoid directional control valve, and high-voltage output end is connected with cross cutting oil cylinder.
- 5. fervent hydraulic control system in high pressing mold according to claim 1, it is characterised in that the continuous hydraulic supercharging A pressometer is provided between device and cross cutting oil cylinder, the pressometer is used to detect the output of continuous hydraulic booster High-pressure and hydraulic oil pressure.
- 6. fervent hydraulic control system in high pressing mold according to claim 5, it is characterised in that the pressometer is Pressure gauge, the pressure gauge are provided with dial plate, and the dial plate is used to show high-pressure and hydraulic oil pressure numerical value.
- 7. fervent hydraulic control system in high pressing mold according to claim 5, it is characterised in that the pressometer is Pressure transmitter, the pressure transmitter are connected with an electrical equipment, and the electrical equipment is receiving pressure transmitter output Electric signal after, show high-pressure and hydraulic oil pressure numerical value, control of the electric signal as fervent hydraulic control system in high pressing mold Signal processed.
- 8. fervent hydraulic control system in high pressing mold according to claim 1, it is characterised in that the continuous hydraulic supercharging A quick connector is provided between device and cross cutting oil cylinder.
- 9. fervent hydraulic control system in high pressing mold according to claim 1, it is characterised in that the solenoid directional control valve, Continuous hydraulic booster and cross cutting oil cylinder are provided with one or more, realize fervent hydraulic control system in a set of high pressing mold One or more injection machine is controlled to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720562763.4U CN207028120U (en) | 2017-05-19 | 2017-05-19 | Fervent hydraulic control system in a kind of high pressing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720562763.4U CN207028120U (en) | 2017-05-19 | 2017-05-19 | Fervent hydraulic control system in a kind of high pressing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207028120U true CN207028120U (en) | 2018-02-23 |
Family
ID=61479211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720562763.4U Expired - Fee Related CN207028120U (en) | 2017-05-19 | 2017-05-19 | Fervent hydraulic control system in a kind of high pressing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207028120U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799217A (en) * | 2018-08-03 | 2018-11-13 | 广州番禺职业技术学院 | A kind of booster |
| CN112762029A (en) * | 2021-01-06 | 2021-05-07 | 中国铁建重工集团股份有限公司 | Ultrahigh pressure hydraulic system |
| CN113334708A (en) * | 2021-06-07 | 2021-09-03 | 鱼肠模内切科技(深圳)有限公司 | Hot cutting control module in injection molding machine die and control method |
-
2017
- 2017-05-19 CN CN201720562763.4U patent/CN207028120U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799217A (en) * | 2018-08-03 | 2018-11-13 | 广州番禺职业技术学院 | A kind of booster |
| CN112762029A (en) * | 2021-01-06 | 2021-05-07 | 中国铁建重工集团股份有限公司 | Ultrahigh pressure hydraulic system |
| CN112762029B (en) * | 2021-01-06 | 2023-03-10 | 中国铁建重工集团股份有限公司 | Ultrahigh pressure hydraulic system |
| CN113334708A (en) * | 2021-06-07 | 2021-09-03 | 鱼肠模内切科技(深圳)有限公司 | Hot cutting control module in injection molding machine die and control method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20190519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |