CN217290334U - High-pressure casting electromagnetic control vacuum extraction valve - Google Patents
High-pressure casting electromagnetic control vacuum extraction valve Download PDFInfo
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- CN217290334U CN217290334U CN202220152675.8U CN202220152675U CN217290334U CN 217290334 U CN217290334 U CN 217290334U CN 202220152675 U CN202220152675 U CN 202220152675U CN 217290334 U CN217290334 U CN 217290334U
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Abstract
The utility model discloses a high pressure casting electromagnetic control vacuum bleeder valve, including the casting mould, the upper end fixedly connected with vacuum exhaust tube of casting mould, the one end fixedly connected with vacuum aspiration pump of vacuum exhaust tube, the middle part of vacuum exhaust tube is provided with two-position three-way solenoid valve, two-position three-way solenoid valve signal connection has the electromagnetic controller, electromagnetic controller signal connection has the encoder, two-position three-way solenoid valve's inside is provided with first solenoid valve and second solenoid valve, two-position three-way solenoid valve's right side wall is provided with signal processing device, first controller and second controller. The utility model discloses in, realized the vacuum valve open, closed with press the linkage of penetrating position signal, closing time that can the accurate control vacuum valve to ensure that aluminium liquid can not get into the case, in order to ensure the continuous stable work of vacuum valve.
Description
Technical Field
The utility model relates to an aluminum alloy high pressure casting technical field especially relates to a high pressure casting electromagnetic control vacuum bleeder valve.
Background
In the field of aluminum alloy high-pressure casting, air entrainment and air holes caused by unsmooth exhaust and vortex in the process of filling aluminum liquid in a die cavity at high speed are fatal defects of aluminum alloy die-casting products. In order to overcome the problem, the mechanical vacuum valve and the hydraulic vacuum valve which are on the market at present basically trigger a cylinder or an oil cylinder through the pressure of aluminum liquid in a cavity to complete the opening and closing actions of the vacuum valve so as to ensure that the mold cavity achieves proper vacuum degree.
However, the efficiency of controlling the opening and closing of the vacuum valve through the aluminum liquid pressure is too low, the precision is not accurate enough, and the production efficiency of high-pressure casting is adversely affected.
Therefore, in order to solve the above technical problems, there is a need to provide a high-pressure casting electromagnetic control vacuum suction valve, which overcomes the above-mentioned drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-pressure casting electromagnetic control vacuum extraction valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a casting mould, wherein a vacuum exhaust pipe is fixedly connected to the upper end of the casting mould, a vacuum exhaust pump is fixedly connected to one end of the vacuum exhaust pipe, a two-position three-way electromagnetic valve is arranged in the middle of the vacuum exhaust pipe, and is connected with an electromagnetic controller in a signal mode, and the electromagnetic controller is connected with an encoder in a signal mode;
the two-position three-way electromagnetic valve is characterized in that a first electromagnetic valve and a second electromagnetic valve are arranged inside the two-position three-way electromagnetic valve, and a signal processing device, a first controller and a second controller are arranged on the right side wall of the two-position three-way electromagnetic valve.
As a further description of the above technical solution:
the encoder is fixedly connected with the signal output end of the die casting machine.
As a further description of the above technical solution:
and the vacuum air pump is connected with the cavity of the casting mold through a vacuum air exhaust pipe.
As a further description of the above technical solution:
the left side wall of the two-position three-way electromagnetic valve is fixedly connected with an air outlet branch pipe, and the first electromagnetic valve is arranged inside the air outlet branch pipe.
As a further description of the above technical solution:
the first controller is electrically connected with the first electromagnetic valve.
As a further description of the above technical solution:
the second controller is electrically connected with the second electromagnetic valve.
As a further description of the above technical solution:
the two-position three-way electromagnetic valve is in signal connection with the electromagnetic controller through a signal processing device, and the signal processing device is electrically connected with the first controller and the second controller.
As a further description of the above technical solution:
the second electromagnetic valve is arranged inside the upper end of the two-position three-way electromagnetic valve, and an air pressure sensor is arranged on the inner side wall of the lower end of the two-position three-way electromagnetic valve.
The utility model discloses following beneficial effect has:
compared with the prior art, the high-pressure casting electromagnetic control vacuum extraction valve realizes linkage of opening and closing of the vacuum valve and injection position signals, can accurately control closing time of the vacuum valve to ensure that molten aluminum does not enter a valve core and ensure continuous and stable work of the vacuum valve, and the electromagnetic valve is opened and closed forcibly through the injection signals of a die casting machine, the position signals propelled by a punch and transmission of an electromagnetic controller, so that pollution to molten aluminum particles and the like in a die cavity is avoided, the high-pressure casting electromagnetic control vacuum extraction valve has high containment degree, maintenance frequency of the vacuum valve is effectively reduced, and die casting efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a high-pressure casting electromagnetic control vacuum extraction valve provided by the utility model;
fig. 2 is a schematic front view of a high-pressure casting electromagnetic control vacuum extraction valve provided by the utility model;
fig. 3 is a back schematic view of a high-pressure casting electromagnetic control vacuum extraction valve provided by the utility model;
fig. 4 is the internal schematic diagram of the two-position three-way valve of the high-pressure casting electromagnetic control vacuum air exhaust valve provided by the utility model.
Illustration of the drawings:
1. casting a mold; 2. a vacuum exhaust tube; 3. an encoder; 4. an electromagnetic controller; 5. a vacuum pump; 6. a two-position three-way electromagnetic valve; 601. a first solenoid valve; 602. a second solenoid valve; 603. an air outlet branch pipe; 604. a first controller; 605. a second controller; 606. a signal processing device; 7. an air pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: including casting mould 1, the upper end fixedly connected with vacuum exhaust tube 2 of casting mould 1, the one end fixedly connected with vacuum air pump 5 of vacuum exhaust tube 2, the middle part of vacuum exhaust tube 2 is provided with two-position three way solenoid valve 6, 6 signal connection of two-position three way solenoid valve have electromagnetic controller 4, 4 signal connection of electromagnetic controller have encoder 3, the signal output end fixed connection of encoder 3 and die casting machine, vacuum air pump 5 is connected with the die cavity of casting mould 1 through vacuum exhaust tube 2.
A first electromagnetic valve 601 and a second electromagnetic valve 602 are arranged inside the two-position three-way electromagnetic valve 6, a signal processing device 606, a first controller 604 and a second controller 605 are arranged on the right side wall of the two-position three-way electromagnetic valve 6, an air outlet branch pipe 603 is fixedly connected to the left side wall of the two-position three-way electromagnetic valve 6, the first electromagnetic valve 601 is arranged inside the air outlet branch pipe 603, the first controller 604 is electrically connected with the first electromagnetic valve 601, the second controller 605 is electrically connected with the second electromagnetic valve 602, the two-position three-way electromagnetic valve 6 is in signal connection with the electromagnetic controller 4 through the signal processing device 606, the signal processing device 606 is electrically connected with the first controller 604 and the second controller 605, the second electromagnetic valve 602 is arranged inside the upper end of the two-position three-way electromagnetic valve 6, an air pressure sensor 7 is arranged on the inner side wall of the lower end of the two-position three-way electromagnetic valve 6, the air pressure sensor 7 can detect the air pressure inside the mold cavity, the staff of being convenient for knows the inside atmospheric pressure condition of die cavity.
The working principle is as follows: an electromagnetic control unit in the electromagnetic controller 4 is in signal connection with an encoder 3 of the die casting machine, and can acquire injection position signals of each stage of the die casting machine, so that accurate vacuum degree control of a die cavity of the die casting mould is realized, opening and closing of a two-position solenoid valve core can be controlled by electromagnetic force accurately, when die casting production is carried out, through opening and closing control of a control unit, when gas in the casting mould 1 needs to be extracted, a signal processing device 606 controls a first solenoid valve 601 to be closed through a first controller 604, and controls a second solenoid valve 602 to be opened through a second controller 605, so that a vacuum air pump 5 can extract the gas in the casting mould 1 through a vacuum air extraction pipe 2, a mechanism for achieving the purpose of vacuum air extraction is realized, so that the requirement of the vacuum degree of the die cavity of the aluminum liquid is realized, the production requirement of high-quality die casting pieces is met, after casting work is finished, the signal processing device 606 controls the first electromagnetic valve 601 to be opened through the first controller 604, controls the second electromagnetic valve 602 to be closed through the second controller 605, enables the outside to enter the casting mold 1 through the vacuum exhaust pipe 2, enables the casting mold 1 to be filled with gas, and facilitates taking out of a cast part, and the electromagnetic valve is opened and closed forcibly through an injection signal of a die casting machine, a position signal pushed by a punch and transmission of the electromagnetic controller 4, so that pollution to molten aluminum particles and the like in a mold cavity is avoided, the containment degree is high, the maintenance frequency of the vacuum valve is effectively reduced, and the die casting efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, and all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a high pressure casting electromagnetic control vacuum air extraction valve, includes casting mould (1), its characterized in that: the upper end of the casting mold (1) is fixedly connected with a vacuum exhaust pipe (2), one end of the vacuum exhaust pipe (2) is fixedly connected with a vacuum exhaust pump (5), the middle part of the vacuum exhaust pipe (2) is provided with a two-position three-way electromagnetic valve (6), the two-position three-way electromagnetic valve (6) is in signal connection with an electromagnetic controller (4), and the electromagnetic controller (4) is in signal connection with an encoder (3);
the two-position three-way electromagnetic valve (6) is internally provided with a first electromagnetic valve (601) and a second electromagnetic valve (602), and the right side wall of the two-position three-way electromagnetic valve (6) is provided with a signal processing device (606), a first controller (604) and a second controller (605).
2. A high-pressure casting solenoid-operated vacuum extraction valve as claimed in claim 1, wherein: and the encoder (3) is fixedly connected with a signal output end of the die casting machine.
3. A high-pressure casting solenoid-operated vacuum extraction valve as claimed in claim 1, wherein: the vacuum air pump (5) is connected with the cavity of the casting mould (1) through a vacuum air pumping pipe (2).
4. A high-pressure casting solenoid-operated vacuum extraction valve as claimed in claim 1, wherein: the left side wall of the two-position three-way electromagnetic valve (6) is fixedly connected with an air outlet branch pipe (603), and the first electromagnetic valve (601) is arranged inside the air outlet branch pipe (603).
5. The high-pressure casting solenoid-operated vacuum extraction valve of claim 1, wherein: the first controller (604) is electrically connected with the first electromagnetic valve (601).
6. A high-pressure casting solenoid-operated vacuum extraction valve as claimed in claim 1, wherein: the second controller (605) is electrically connected with the second electromagnetic valve (602).
7. A high-pressure casting solenoid-operated vacuum extraction valve as claimed in claim 1, wherein: the two-position three-way electromagnetic valve (6) is in signal connection with the electromagnetic controller (4) through a signal processing device (606), and the signal processing device (606) is electrically connected with the first controller (604) and the second controller (605).
8. A high-pressure casting solenoid-operated vacuum extraction valve as claimed in claim 1, wherein: the second electromagnetic valve (602) is arranged inside the upper end of the two-position three-way electromagnetic valve (6), and an air pressure sensor (7) is arranged on the inner side wall of the lower end of the two-position three-way electromagnetic valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220152675.8U CN217290334U (en) | 2022-01-20 | 2022-01-20 | High-pressure casting electromagnetic control vacuum extraction valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220152675.8U CN217290334U (en) | 2022-01-20 | 2022-01-20 | High-pressure casting electromagnetic control vacuum extraction valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217290334U true CN217290334U (en) | 2022-08-26 |
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ID=82924781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220152675.8U Active CN217290334U (en) | 2022-01-20 | 2022-01-20 | High-pressure casting electromagnetic control vacuum extraction valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217290334U (en) |
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2022
- 2022-01-20 CN CN202220152675.8U patent/CN217290334U/en active Active
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