CN109940151B - Die-casting die multi-path high-vacuum valve action control device and control method - Google Patents
Die-casting die multi-path high-vacuum valve action control device and control method Download PDFInfo
- Publication number
- CN109940151B CN109940151B CN201910271720.4A CN201910271720A CN109940151B CN 109940151 B CN109940151 B CN 109940151B CN 201910271720 A CN201910271720 A CN 201910271720A CN 109940151 B CN109940151 B CN 109940151B
- Authority
- CN
- China
- Prior art keywords
- vacuum
- valve
- die
- oil
- vacuum valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a die-casting die multi-path high-vacuum valve action control device, wherein: the die casting machine die is respectively connected with the vacuum machine through three vacuum valves and the vacuum pipes of respective branches; the three vacuum valves are also connected with the same independent neutron hydraulic system through hydraulic oil paths of all branches respectively, the three vacuum valves are closed and opened by the independent neutron hydraulic system to provide oil pressure, and the oil supply action of the independent neutron hydraulic system and the opening and closing actions of the three vacuum valves are controlled by the die-casting machine control system in a unified manner. According to the invention, the equipment composition can be greatly reduced, the production preparation work can be shortened, and the production efficiency can be improved. The invention also provides multi-path vacuum control, shortens the reaction process of the vacuum valve, greatly improves the vacuum degree in the die cavity and improves the product quality and stability.
Description
Technical Field
The invention belongs to the field of die-casting vacuum processes, and particularly relates to a multi-path high-vacuum valve action control device and a multi-path high-vacuum valve action control method for a die-casting die.
Background
In order to successfully extract air in the die cavity of the die-casting die in the process of filling the die cavity with the aluminum material, a hydraulically-driven valve is required to be arranged at the exhaust end of the die. After the filling of the aluminum material is started, opening the valve and pumping out air; before the filling of the aluminum material is finished, the valve is closed to prevent the aluminum material from splashing to block the air exhaust channel.
As shown in fig. 1, chinese patent CN201810287498 discloses a control device for a high vacuum valve of a die casting mold, which utilizes a PLC of a die casting machine to send a control command, and utilizes a die casting machine system to provide oil pressure, utilizes an external manifold block to complete oil circuit connection, and is further connected with an air bag type energy accumulator to shorten the action response time of the valve.
This kind of die casting die vacuum valve control device can only control a vacuum valve return circuit, can't realize the multiloop vacuum pumping control of higher requirement, and production or when changing the platform at every turn all need install again and connect the oil circuit integrated package and connect relevant signal moreover, has influenced production efficiency greatly. And the die casting machine PCL is not the solenoid valve of direct control manifold block, but carries out the transfer through the relay, can have time delay influence to the action reaction time of vacuum valve.
The requirement on high vacuum degree of a die-casting die is higher and higher, and the requirement cannot be met by the conventional single-channel vacuumizing control device; at present, the vacuum control oil way needs to be frequently disassembled and assembled, so that the production efficiency is influenced; the control oil way and the control device are separately designed, and the response time of the vacuum valve is influenced.
Disclosure of Invention
Aiming at least one of the defects or improvement requirements in the prior art, the invention provides a die-casting die multi-path high-vacuum valve action control device, wherein a die cavity is respectively connected with a vacuum machine through 3 vacuum valves, the closing and opening of the vacuum valves are provided with oil pressure by an independent hydraulic system, and the oil supply action of the independent hydraulic system and the opening and closing action of the vacuum valves are uniformly controlled by a die-casting machine control system. According to the invention, the equipment composition can be greatly reduced, the production preparation work can be shortened, and the production efficiency can be improved. The invention also provides multi-path vacuum control, shortens the reaction process of the vacuum valve, greatly improves the vacuum degree in the die cavity and improves the product quality and stability.
To achieve the above object, according to one aspect of the present invention, there is provided a multi-path high vacuum valve operation control apparatus for a die casting mold, wherein:
the die casting machine die is respectively connected with the vacuum machine through three vacuum valves and the vacuum pipes of respective branches; the three vacuum valves are also connected with the same independent neutron hydraulic system through hydraulic oil paths of all branches respectively, the three vacuum valves are closed and opened by the independent neutron hydraulic system to provide oil pressure, and the oil supply action of the independent neutron hydraulic system and the opening and closing actions of the three vacuum valves are controlled by the die-casting machine control system in a unified manner.
Preferably, the three vacuum valves are a first vacuum valve, a second vacuum valve and a third vacuum valve;
the three vacuum valves comprise three-position four-way valves, valve cores and oil cylinders, a piston is arranged in each oil cylinder, one end of each oil cylinder is connected with the valve core and used for controlling the opening and closing of the branch of each vacuum pipe, and the other end of each oil cylinder is connected with the independent neutron hydraulic system through a hydraulic oil path branch.
Preferably, the hydraulic oil path branches of the first vacuum valve, the second vacuum valve and the third vacuum valve are respectively provided with a two-position two-way valve, namely a first two-position two-way valve, a second two-position two-way valve and a third two-position two-way valve.
Preferably, the independent neutron hydraulic system further comprises a motor, an oil pump and an air bag energy accumulator; the three two-position two-way valves and the air bag energy accumulator are respectively connected with the oil pump through one-way valves.
Preferably, the vacuum machine comprises a vacuum machine control system and a vacuum tank;
the vacuum tank is respectively communicated with the first vacuum valve, the second vacuum valve and the third vacuum valve through vacuum pipe branches;
and the vacuum machine control system is respectively connected with the first two-position two-way valve, the second two-position two-way valve and the third two-position two-way valve through signal connecting cables.
Preferably, the die casting machine control system is respectively connected with the independent neutron hydraulic system and the vacuum machine control system through signal communication cables.
Preferably, the first vacuum valve, the second vacuum valve and the third vacuum valve are all positioned on a movable die or a fixed die of the die.
Preferably, the first vacuum valve and the third vacuum valve are communicated with the inner cavity of the mold through openings on the mold;
and the second vacuum valve is communicated with the inner cavity of the mould through a vacuum function thimble.
Preferably, the first two-position two-way valve, the second two-position two-way valve and the third two-position two-way valve are all vacuum solenoid valves.
In order to achieve the above object, according to another aspect of the present invention, there is provided a method for controlling a multi-path high vacuum valve operation control device for a die casting mold, including the steps of:
(1) when the die casting machine is matched with the die, the three vacuum valves are opened;
(2) when the injection is started, the punch pushes the aluminum liquid to exceed the first position, the die casting machine control system sends a signal to the vacuum machine control system, and the vacuum machine starts to pump air;
(3) at the moment, the independent neutron hydraulic system supplies oil, the air bag energy accumulator charges oil, and the oil pressure reaches the front of the three-position four-way valve;
(4) when the punch pushes the aluminum liquid to pass through the second position, the corresponding three-position four-way valve of the first vacuum valve is opened, the oil pressure pushes the oil cylinder piston of the first vacuum valve to move forward, and the first vacuum valve is closed;
(5) when the punch pushes the aluminum liquid to pass through the second position, the corresponding three-position four-way valve of the second vacuum valve is opened, the oil pressure pushes the oil cylinder piston of the second vacuum valve to move forward, and the second vacuum valve is closed;
(6) when the punch pushes the aluminum liquid to pass through the third position, the three-position four-way valve corresponding to the third vacuum valve is opened, the oil pressure pushes the oil cylinder piston of the third vacuum valve to advance, and the third vacuum valve is closed;
(7) at the moment, the vacuum machine control system receives a signal of the die casting machine control system and stops pumping air;
(8) when the mold is opened in place, the die-casting machine control system sends a signal, the three-position four-way valves act, the piston retracts, the three vacuum valves are opened, and the process is repeated.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
the multi-path high-vacuum valve action control device for the die-casting die is characterized in that a die cavity of the die is connected with a vacuum machine through 3 vacuum valves respectively, the closing and opening of the vacuum valves are provided with oil pressure by an independent hydraulic system, and the oil supply action of the independent hydraulic system and the opening and closing action of the vacuum valves are controlled by a die-casting machine control system in a unified manner. According to the invention, the equipment composition can be greatly reduced, the production preparation work can be shortened, and the production efficiency can be improved. The invention also provides multi-path vacuum control, shortens the reaction process of the vacuum valve, greatly improves the vacuum degree in the die cavity and improves the product quality and stability.
Drawings
FIG. 1 is a schematic diagram of the prior art;
fig. 2 is a schematic structural view of the multi-path high vacuum valve action control device of the die casting die of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to specific embodiments.
As a preferred embodiment of the present invention, as shown in fig. 2, the present invention provides a multi-way high vacuum valve operation control device for a die casting mold, wherein:
the die casting machine die 1 is connected to a vacuum machine 20 through three vacuum valves and respective branched vacuum pipes 14, preferably a first vacuum valve 4, a second vacuum valve 7 and a third vacuum valve 8. The first vacuum valve 4, the second vacuum valve 7 and the third vacuum valve 8 are all positioned on a movable die or a fixed die of the die 1. The first vacuum valve 4 and the third vacuum valve 8 are communicated with the inner cavity of the mould through openings on the mould 1; and the second vacuum valve 7 is communicated with the inner cavity of the mould through a vacuum function thimble 3. A common mould thimble 2 is also arranged in the inner cavity of the mould.
The three vacuum valves are also connected with the same independent neutron hydraulic system 12 through hydraulic oil paths 13 of each branch respectively, the independent neutron hydraulic system 12 provides oil pressure for closing and opening of the three vacuum valves, and the die-casting machine control system 17 is used for controlling the oil supply action of the independent neutron hydraulic system 12 and the opening and closing actions of the three vacuum valves in a unified mode.
The three vacuum valves comprise three-position four-way valves, valve cores 5 and oil cylinders 6, a piston is arranged in each oil cylinder 6, one end of each oil cylinder 6 is connected with the valve cores 5 and used for controlling the opening and closing of the branches of the vacuum pipes 14, and the other end of each oil cylinder 6 is connected with the independent neutron hydraulic system 12 in a branch mode through a hydraulic oil circuit 13.
The hydraulic oil path 13 branches of the first vacuum valve 4, the second vacuum valve 7 and the third vacuum valve 8 are respectively provided with a two-position two-way valve, namely a first two-position two-way valve 9, a second two-position two-way valve 10 and a third two-position two-way valve 11. Preferably, the first two-position two-way valve 9, the second two-position two-way valve 10 and the third two-position two-way valve 11 are all vacuum solenoid valves.
The independent neutron hydraulic system 12 further comprises a motor, an oil pump and an air bag energy accumulator; the three two-position two-way valves and the air bag energy accumulator are respectively connected with the oil pump through one-way valves.
The vacuum machine 20 comprises a vacuum machine control system 18 and a vacuum tank 19; the vacuum tank 19 is respectively communicated with the first vacuum valve 4, the second vacuum valve 7 and the third vacuum valve 8 through the branch of the vacuum pipe 14;
the vacuum machine control system 18 is respectively connected with the first two-position two-way valve 9, the second two-position two-way valve 10 and the third two-position two-way valve 11 through signal connecting cables 15. The die casting machine control system 17 is respectively connected with the independent neutron hydraulic system 12 and the vacuum machine control system 18 through signal communication cables 16.
Taking a 2500-ton die casting machine as an example, the control method of the die casting die multi-path high vacuum valve action control device comprises the following steps:
when an automatic production cycle is started, the die-casting machine control system 17 sends an instruction, a motor and an oil pump of the independent neutron hydraulic system 12 are started, oil is filled into the air bag type energy accumulator, the energy storage pressure reaches 160bar, the oil filling amount is 160 liters, after the oil filling is finished, the first two-position two-way valve 9 is powered on, the valve core is positioned on the left side, and oil liquid flows. When the die casting machine stops the manual mode of the automatic production mode, the first two-position two-way valve 9 is powered off, the valve core is positioned on the right side, and oil does not circulate. When the die casting machine is matched with the die in place, the 3 three-position four-way valves are electrified, the valve core is leftward, the oil ports P are communicated with the oil ports A, the oil ports B are communicated with the oil ports T, hydraulic oil is quickly released through the air bag energy storage device, the valve core of the vacuum valve is pushed to retreat, and the three vacuum valves are opened. When the punch pushes the molten aluminum to exceed the material pipe pouring port P1, the die casting machine control system 17 sends a pulse signal to the vacuum machine control system 18, and the vacuum machine starts to pump air. When the punch reaches a position P2, at the moment, molten aluminum in the die cavity is quickly filled into the first vacuum valve 4, the die casting machine control system 17 sends out a control signal, the three-position four-way valve of the first vacuum valve 4 is electrified, the valve core is rightward, the oil way ports P and B are communicated, the oil way ports A and T are communicated, hydraulic oil pushes the valve core of the vacuum valve to advance, and the first vacuum valve 4 is closed. When the punch reaches a position P3, at the moment, molten aluminum in the die cavity is quickly filled into the second vacuum valve 7, the die casting machine control system 17 sends out a control signal, the three-position four-way valve of the second vacuum valve 7 is electrified, the valve core is rightward, the oil way ports P and B are communicated, the oil way ports A and T are communicated, hydraulic oil pushes the valve core of the vacuum valve to advance, and the second vacuum valve 7 is closed. When the punch reaches a position P4, at the moment, molten aluminum in the die cavity is quickly filled into the third vacuum valve 8, the die casting machine control system sends out a control signal, the three-position four-way valve of the third vacuum valve 8 is electrified, the valve core is rightward, the oil way ports P and B are communicated, the oil way ports A and T are communicated, hydraulic oil pushes the valve core of the vacuum valve to advance, and the third vacuum valve is closed. At the same time, the die-casting machine control system 17 sends a pulse signal to the vacuum machine control system 18, and the vacuum machine stops pumping air. When the die casting machine opens in place, the 3 three-position four-way valves are powered on, the valve core is leftward, the oil ports P are communicated with A, and the oil ports B are communicated with T, hydraulic oil is quickly released through the air bag energy storage device to push the valve core of the vacuum valve to retreat, the three vacuum valves are opened, meanwhile, the die casting machine controls to send pulse signals to a vacuum machine control system, the vacuum machine blows air, and aluminum powder of the vacuum valve is removed. And the process is circulated.
The multi-path high-vacuum valve action control device for the die-casting die is characterized in that a die cavity of the die is connected with a vacuum machine through 3 vacuum valves respectively, the closing and opening of the vacuum valves are provided with oil pressure by an independent hydraulic system, and the oil supply action of the independent hydraulic system and the opening and closing action of the vacuum valves are controlled by a die-casting machine control system in a unified manner. According to the invention, the equipment composition can be greatly reduced, the production preparation work can be shortened, and the production efficiency can be improved. The invention also provides multi-path vacuum control, shortens the reaction process of the vacuum valve, greatly improves the vacuum degree in the die cavity and improves the product quality and stability.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A control method of a die-casting die multi-path high vacuum valve action control device is characterized in that,
in the multi-path high-vacuum valve action control device for the die-casting die, a die (1) of the die-casting die is respectively connected with a vacuum machine (20) through three vacuum valves (4, 7 and 8) and respective branched vacuum pipes (14); the three vacuum valves (4, 7 and 8) are also respectively connected with the same independent neutron hydraulic system (12) through hydraulic oil paths (13) of all branches, the closing and opening of the three vacuum valves (4, 7 and 8) are provided with oil pressure by the independent neutron hydraulic system (12), and the oil supply action of the independent neutron hydraulic system (12) and the opening and closing actions of the three vacuum valves (4, 7 and 8) are uniformly controlled by a die-casting machine control system (17);
the three vacuum valves are a first vacuum valve (4), a second vacuum valve (7) and a third vacuum valve (8);
the three vacuum valves comprise three-position four-way valves, valve cores (5) and oil cylinders (6), a piston is arranged in each oil cylinder (6), one end of each oil cylinder (6) is connected with the valve core (5) and used for controlling the opening and closing of the branch of a vacuum pipe (14), and the other end of each oil cylinder (6) is connected with the independent neutron hydraulic system (12) in a branch mode through a hydraulic oil circuit (13);
the hydraulic oil paths (13) of the first vacuum valve (4), the second vacuum valve (7) and the third vacuum valve (8) are respectively provided with a two-position two-way valve, namely a first two-position two-way valve (9), a second two-position two-way valve (10) and a third two-position two-way valve (11);
the independent neutron hydraulic system (12) further comprises a motor, an oil pump and an air bag energy storage device; the three two-position two-way valves and the air bag energy storage device are respectively connected with the oil pump through one-way valves;
the vacuum machine (20) comprises a vacuum machine control system (18) and a vacuum tank (19);
the vacuum tank (19) is respectively communicated with the first vacuum valve (4), the second vacuum valve (7) and the third vacuum valve (8) through the branch of the vacuum pipe (14);
the vacuum machine control system (18) is respectively connected with the first two-position two-way valve (9), the second two-position two-way valve (10) and the third two-position two-way valve (11) through signal connecting cables (15);
the die-casting machine control system (17) is respectively connected with the independent neutron hydraulic system (12) and the vacuum machine control system (18) through signal communication cables (16);
the control method of the die-casting die multi-path high-vacuum valve action control device comprises the following steps:
(1) when the die casting machine is matched, the three vacuum valves (4, 7 and 8) are opened;
(2) when the injection is started, the punch pushes the aluminum liquid to exceed the first position, the die casting machine control system (17) sends a signal to the vacuum machine control system (18), and the vacuum machine starts to pump air;
(3) at the moment, the independent neutron hydraulic system (12) supplies oil, the air bag energy accumulator is filled with oil, and the oil pressure reaches the front of the three-position four-way valve;
(4) when the punch pushes the aluminum liquid to pass through the second position, the corresponding three-position four-way valve of the first vacuum valve (4) is opened, the oil pressure pushes the oil cylinder piston of the first vacuum valve (4) to move forward, and the first vacuum valve (4) is closed;
(5) when the punch pushes the aluminum liquid to pass through the second position, a corresponding three-position four-way valve of the second vacuum valve (7) is opened, the oil pressure pushes an oil cylinder piston of the second vacuum valve (7) to move forward, and the second vacuum valve (7) is closed;
(6) when the punch pushes the aluminum liquid to pass through the third position, a corresponding three-position four-way valve of the third vacuum valve (8) is opened, the oil pressure pushes an oil cylinder piston of the third vacuum valve (8) to move forward, and the third vacuum valve (8) is closed;
(7) at the moment, the vacuum machine control system (18) receives a signal of the die casting machine control system (17) and stops pumping;
(8) when the die is opened in place, the die-casting machine control system sends a signal, the three-position four-way valves act, the piston retracts, the three vacuum valves (4, 7 and 8) are opened, and the process is circulated.
2. The utility model provides a die casting die multichannel high vacuum valve action controlling means which characterized in that:
the die casting machine die (1) is respectively connected with a vacuum machine (20) through three vacuum valves (4, 7, 8) and respective branched vacuum pipes (14); the three vacuum valves (4, 7 and 8) are also respectively connected with the same independent neutron hydraulic system (12) through hydraulic oil paths (13) of all branches, the closing and opening of the three vacuum valves (4, 7 and 8) are provided with oil pressure by the independent neutron hydraulic system (12), and the oil supply action of the independent neutron hydraulic system (12) and the opening and closing actions of the three vacuum valves (4, 7 and 8) are uniformly controlled by a die-casting machine control system (17);
the three vacuum valves are a first vacuum valve (4), a second vacuum valve (7) and a third vacuum valve (8);
the three vacuum valves comprise three-position four-way valves, valve cores (5) and oil cylinders (6), a piston is arranged in each oil cylinder (6), one end of each oil cylinder (6) is connected with the valve core (5) and used for controlling the opening and closing of the branch of a vacuum pipe (14), and the other end of each oil cylinder (6) is connected with the independent neutron hydraulic system (12) in a branch mode through a hydraulic oil circuit (13);
the hydraulic oil paths (13) of the first vacuum valve (4), the second vacuum valve (7) and the third vacuum valve (8) are respectively provided with a two-position two-way valve, namely a first two-position two-way valve (9), a second two-position two-way valve (10) and a third two-position two-way valve (11);
the independent neutron hydraulic system (12) further comprises a motor, an oil pump and an air bag energy storage device; the three two-position two-way valves and the air bag energy storage device are respectively connected with the oil pump through one-way valves;
the vacuum machine (20) comprises a vacuum machine control system (18) and a vacuum tank (19);
the vacuum tank (19) is respectively communicated with the first vacuum valve (4), the second vacuum valve (7) and the third vacuum valve (8) through the branch of the vacuum pipe (14);
the vacuum machine control system (18) is respectively connected with the first two-position two-way valve (9), the second two-position two-way valve (10) and the third two-position two-way valve (11) through signal connecting cables (15);
the die-casting machine control system (17) is respectively connected with the independent neutron hydraulic system (12) and the vacuum machine control system (18) through signal communication cables (16);
when an automatic production cycle is started, the die-casting machine control system (17) sends an instruction, a motor and an oil pump of the independent neutron hydraulic system (12) are started, oil is filled into the airbag type energy accumulator, the energy storage pressure reaches 160bar, the oil filling amount is 160 liters, after the oil filling is finished, the first two-position two-way valve (9) is electrified, the valve core is positioned on the left side, and oil liquid flows; when the die casting machine stops the manual mode of the automatic production mode, the first two-position two-way valve (9) is powered off, the valve core is positioned on the right side, and oil does not circulate; when the die casting machine is matched with the die in place, the 3 three-position four-way valves are electrified, the valve core is leftward, the oil ports P are communicated with the oil ports A, the oil ports B are communicated with the oil ports T, hydraulic oil is quickly released through the air bag energy storage device, the valve core of the vacuum valve is pushed to retreat, and the three vacuum valves are opened; when the punch pushes the aluminum liquid to exceed a material pipe pouring port P1, the die casting machine control system (17) sends a pulse signal to the vacuum machine control system (18), and the vacuum machine starts to pump air; when the punch reaches a position P2, at the moment, aluminum liquid in the die cavity is quickly filled into the first vacuum valve (4), the die-casting machine control system (17) sends a control signal, the three-position four-way valve of the first vacuum valve (4) is electrified, the valve core is rightward, the oil way ports P and B are communicated, the A and T are communicated, hydraulic oil pushes the valve core of the vacuum valve to advance, and the first vacuum valve (4) is closed; when the punch reaches a position P3, at the moment, aluminum liquid in the die cavity is quickly filled into the second vacuum valve (7), the die-casting machine control system (17) sends a control signal, the three-position four-way valve of the second vacuum valve (7) is electrified, the valve core is rightward, the oil way ports P and B are communicated, the A and T are communicated, hydraulic oil pushes the valve core of the vacuum valve to advance, and the second vacuum valve (7) is closed; when the punch reaches a position P4, at the moment, molten aluminum in the die cavity is quickly filled into the third vacuum valve (8), a control system of the die casting machine sends a control signal, a three-position four-way valve of the third vacuum valve (8) is electrified, the valve core is rightwards, oil way ports P and B are communicated, A and T are communicated, hydraulic oil pushes the valve core of the vacuum valve to advance, and the third vacuum valve is closed; meanwhile, the die casting machine control system (17) sends a pulse signal to the vacuum machine control system (18), and the vacuum machine stops pumping air; when the die casting machine opens in place, the 3 three-position four-way valves are powered on, the valve core is leftward, the oil ports P are communicated with A, B are communicated with T, hydraulic oil is quickly released through the air bag energy storage device to push the valve core of the vacuum valve to retreat, the three vacuum valves are opened, meanwhile, the die casting machine controls to send pulse signals to a vacuum machine control system, the vacuum machine blows air, and aluminum powder of the vacuum valve is removed; and the process is circulated.
3. The multi-path high-vacuum valve operation control device for the die casting mold as claimed in claim 2, wherein:
the first vacuum valve (4), the second vacuum valve (7) and the third vacuum valve (8) are all located on a movable die or a fixed die of the die (1).
4. The multi-path high-vacuum valve operation control device for the die casting mold as claimed in claim 2, wherein:
the first vacuum valve (4) and the third vacuum valve (8) are communicated with the inner cavity of the mould through openings on the mould (1);
and the second vacuum valve (7) is communicated with the inner cavity of the mould through a vacuum function thimble (3).
5. The multi-path high-vacuum valve operation control device for the die casting mold as claimed in claim 2, wherein:
the first two-position two-way valve (9), the second two-position two-way valve (10) and the third two-position two-way valve (11) are all vacuum solenoid valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271720.4A CN109940151B (en) | 2019-04-04 | 2019-04-04 | Die-casting die multi-path high-vacuum valve action control device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271720.4A CN109940151B (en) | 2019-04-04 | 2019-04-04 | Die-casting die multi-path high-vacuum valve action control device and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109940151A CN109940151A (en) | 2019-06-28 |
| CN109940151B true CN109940151B (en) | 2021-08-31 |
Family
ID=67013852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271720.4A Active CN109940151B (en) | 2019-04-04 | 2019-04-04 | Die-casting die multi-path high-vacuum valve action control device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109940151B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605726B (en) * | 2023-11-28 | 2024-04-16 | 肇庆铸技科技有限公司 | Control device and control method for die-casting machine die hydraulic vacuum valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1550273A (en) * | 2003-05-16 | 2004-12-01 | 丰田自动车株式会社 | Electromagnetic drive-type die casting decompression valve, drive method for such a valve, and a die casting unit |
| CN1607053A (en) * | 2003-09-25 | 2005-04-20 | 东芝机械株式会社 | Die casting device and method |
| CN102979917A (en) * | 2012-11-05 | 2013-03-20 | 华中科技大学 | Vacuum stop valve and hydraulic drive device and vacuumizing device formed by vacuum stop valve and hydraulic drive device |
| KR20130111879A (en) * | 2012-04-02 | 2013-10-11 | 동남정밀 주식회사 | High vacuum die-casting method |
| CN105414515A (en) * | 2015-11-26 | 2016-03-23 | 广东鸿图科技股份有限公司 | Die-casting mechanism of horizontal freezing chamber vacuum die-casting machine and method for using die-casting mechanism for die-casting operation |
| CN206145260U (en) * | 2016-10-27 | 2017-05-03 | 浙江德昱汽车零部件有限公司 | Die casting die high vacuum valve structure |
| WO2018110024A1 (en) * | 2016-12-13 | 2018-06-21 | 宇部興産機械株式会社 | Injection device for casting device and casting method |
| CN108480597A (en) * | 2018-05-28 | 2018-09-04 | 华中科技大学 | A kind of condition of high vacuum degree of die casting fast implements device |
| CN108580833A (en) * | 2018-04-03 | 2018-09-28 | 广东鸿图南通压铸有限公司 | A kind of control device and control method of die casting high vacuum valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202031895U (en) * | 2011-01-29 | 2011-11-09 | 马保庆 | Oil-way system of a mould locking oil cylinder |
| CN105170938B (en) * | 2015-08-14 | 2017-06-16 | 厦门理工学院 | A kind of evacuated die-casting process assistant formation system |
| JP6730822B2 (en) * | 2016-03-16 | 2020-07-29 | 株式会社Ｓｕｂａｒｕ | Vacuum die casting equipment |
| CN109434065B (en) * | 2018-12-17 | 2024-04-19 | 昆山盛事达机械有限公司 | Hydraulic safety door interlocking device of magnesium alloy semi-solid injection molding machine |
-
2019
- 2019-04-04 CN CN201910271720.4A patent/CN109940151B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1550273A (en) * | 2003-05-16 | 2004-12-01 | 丰田自动车株式会社 | Electromagnetic drive-type die casting decompression valve, drive method for such a valve, and a die casting unit |
| CN1607053A (en) * | 2003-09-25 | 2005-04-20 | 东芝机械株式会社 | Die casting device and method |
| KR20130111879A (en) * | 2012-04-02 | 2013-10-11 | 동남정밀 주식회사 | High vacuum die-casting method |
| CN102979917A (en) * | 2012-11-05 | 2013-03-20 | 华中科技大学 | Vacuum stop valve and hydraulic drive device and vacuumizing device formed by vacuum stop valve and hydraulic drive device |
| CN105414515A (en) * | 2015-11-26 | 2016-03-23 | 广东鸿图科技股份有限公司 | Die-casting mechanism of horizontal freezing chamber vacuum die-casting machine and method for using die-casting mechanism for die-casting operation |
| CN206145260U (en) * | 2016-10-27 | 2017-05-03 | 浙江德昱汽车零部件有限公司 | Die casting die high vacuum valve structure |
| WO2018110024A1 (en) * | 2016-12-13 | 2018-06-21 | 宇部興産機械株式会社 | Injection device for casting device and casting method |
| CN108580833A (en) * | 2018-04-03 | 2018-09-28 | 广东鸿图南通压铸有限公司 | A kind of control device and control method of die casting high vacuum valve |
| CN108480597A (en) * | 2018-05-28 | 2018-09-04 | 华中科技大学 | A kind of condition of high vacuum degree of die casting fast implements device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109940151A (en) | 2019-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102083568B (en) | Apparatus and method for making casting mold | |
| CN109940151B (en) | Die-casting die multi-path high-vacuum valve action control device and control method | |
| CN102979917B (en) | Vacuum stop valve and hydraulic drive device and vacuumizing device formed by vacuum stop valve and hydraulic drive device | |
| CN106132593A (en) | Casting method and casting device | |
| CN105415731A (en) | Water hydraulic die-casting machine and hydraulic system thereof | |
| CN201061823Y (en) | Press-ejecting oilway device of hot room die casting machine | |
| CN115889731B (en) | Material beating control method and material beating system of large die casting machine | |
| JP2000334798A (en) | Hydraulic circuit for mold clamping device provided with freely movable core mold | |
| CN105465457B (en) | A kind of evacuated die-casting process system | |
| CN210880725U (en) | Unlocking die hydraulic control system and compression molding equipment | |
| CN207064350U (en) | A kind of differential liftout attachment of injection machine | |
| CN203751283U (en) | Hydraulic transmission system for hydraulic overturning pattern drawing machine | |
| CN202028755U (en) | Supercharging cylinder oil-way plate of a die casting machine | |
| CN104368768B (en) | A kind of hydraulic system, vertical parting molding machine and control method | |
| CN113561433A (en) | Mould hydraulic circuit opens and shuts of injection molding machine | |
| US2620528A (en) | Die casting machine | |
| CN210501266U (en) | Mould oil circuit that opens and shuts of injection molding machine | |
| CN115846614B (en) | Automatic oil return die casting machine material beating system and control method | |
| CN209223153U (en) | A kind of oil piping system of die casting machine quick clamping | |
| CN215257038U (en) | Hydraulic station for realizing plugging and unplugging of positioning pin on die changing trolley | |
| CN205533493U (en) | Remote synchronous hydraulic control system | |
| CN215151162U (en) | Foaming anchor clamps curb plate clamping mechanism | |
| CN211820217U (en) | Pressure relief device of injection molding machine oil cylinder | |
| CN218030861U (en) | Pressure return pressure control oil circuit for injection molding machine mold core | |
| CN217495308U (en) | Automatic pendulum pipe machine dog production mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |