CN116000261A - Diversified large-tonnage die casting machine vacuum system - Google Patents
Diversified large-tonnage die casting machine vacuum system Download PDFInfo
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- CN116000261A CN116000261A CN202211727454.XA CN202211727454A CN116000261A CN 116000261 A CN116000261 A CN 116000261A CN 202211727454 A CN202211727454 A CN 202211727454A CN 116000261 A CN116000261 A CN 116000261A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention belongs to the technical field of die casting systems, and particularly relates to a diversified large-tonnage die casting machine vacuum system. The die casting machine vacuum control system comprises a die cavity channel control system for controlling a die cavity channel of the die casting machine, a feed cylinder vacuumizing control system for controlling the feed cylinder to vacuumize and a thimble vacuumizing control monitoring system for controlling the ejector plate vacuumizing and detection of the die casting machine. The invention has the advantages that: according to the technical scheme, the diversified vacuumizing mode is adopted to cope with complex vacuumizing requirements of various die casting machines, the requirement of the large-tonnage die casting machine on vacuumizing of the vacuum machine is met, the vacuum pump of the vacuum machine is easily damaged due to high temperature of a die casting workshop, and the service life of the vacuum pump is prolonged.
Description
Technical Field
The invention belongs to the technical field of die casting systems, and particularly relates to a diversified large-tonnage die casting machine vacuum system.
Background
Along with the development of the new energy steam industry, the requirements on die-casting products are higher and higher, and the requirements on the proportion of the internal air holes and sand holes of the die-casting structural members are quite high, so that the yield of the product production is reduced greatly, and the production efficiency of the product is greatly influenced particularly for some products with high requirements.
In the prior art, through the mode of evacuation during die casting, reduce the proportion of gas pocket and trachoma, improve the qualification rate of product, and production efficiency, but the extra-large flow vacuum machine that does not deal with the more than 7500 tons of die casting machine evacuation demand matching among the prior art, and die casting workshop temperature is very high, leads to the vacuum pump to damage easily, life shortens greatly, and the vacuum machine evacuation mode is single, can not satisfy most die casting machines to the evacuation demand, consequently, need design a diversified large-tonnage die casting machine vacuum system and solve above problem.
Disclosure of Invention
The invention aims to provide a diversified large-tonnage die casting machine vacuum system so as to overcome the defects in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a diversified large-tonnage die casting machine vacuum system, its includes die casting machine vacuum control system, receives die casting machine mould that die casting machine vacuum control system controlled and meet, and the vacuum owner station system that provides the energy for die casting machine vacuum control system, its characterized in that: the vacuum control system of the die casting machine comprises a die cavity channel control system for controlling a die cavity channel, a feed cylinder vacuumizing control system for controlling feed cylinder vacuumizing and a thimble vacuumizing control monitoring system for controlling die thimble plate vacuumizing and detection, wherein the vacuum machine main station system comprises a plurality of vacuum pumps, filters respectively connected with the vacuum pumps, and a main solenoid valve arranged on the pipeline respectively through pipelines, a first vacuum tank connected with the main pipeline through two groups of pipelines which are connected outwards, the first vacuum tank is also connected with a second pipeline in an external mode, the second pipeline is connected with the main pipeline in an internal mode, an auxiliary pipeline is also connected with the auxiliary pipeline, the auxiliary pipeline is connected with the second vacuum tank, a third pipeline and a fourth pipeline are respectively connected with the auxiliary pipeline in an external mode, the second vacuum tank is connected with the second vacuum tank pipeline in an external mode, the third pipeline and the fourth pipeline are respectively connected with the second vacuum tank pipeline in an external mode, the third pipeline is connected with the vacuum tank, the auxiliary pipeline is connected with the vacuum tank, and the vacuum tank is connected with the vacuum control system in an external mode, and the vacuum tank is connected with the vacuum tank.
Preferably, the main pipeline is further provided with a pneumatic valve disc A14, two groups of external pipelines communicated with the first vacuum tank are respectively provided with a pneumatic valve disc A4 and a pneumatic valve disc A5, the pneumatic valve disc A14 is arranged at the position of the main pipeline and between the interfaces of the auxiliary pipeline and the second pipeline, the front end of the auxiliary pipeline is further provided with a solenoid valve A15, the position of the auxiliary pipeline connected with the second vacuum tank is provided with a starting valve disc A19, the end parts of the third pipeline and the fourth pipeline are respectively provided with a pneumatic valve disc A17 and a pneumatic valve disc A18, and the front ends of the junctions of the third pipeline and the fourth pipeline and the second vacuum tank pipeline are respectively provided with a pneumatic valve disc A21 and a pneumatic valve disc A20.
Preferably, the bottoms of the first vacuum tank and the second vacuum tank are externally connected with an electromagnetic valve A13.
Preferably, the cavity channel control system comprises a first filter communicated with the main pipeline, and a pneumatic shaft valve B1 arranged at the front end of the first filter, wherein a detection pipeline is externally connected to the main pipeline at the rear side of the first filter, a positive pressure sensor B2 and a negative pressure sensor B4 are sequentially arranged on the detection pipeline, a pneumatic shaft valve B5 is arranged on the detection pipeline, and the pneumatic shaft valve B4 is further connected with a negative pressure sensor B3.
Preferably, the charging barrel vacuumizing control system comprises a charging barrel communicated with the fifth pipeline, a second filter, a pneumatic shaft valve C1 arranged at the front end of the second filter, an air pipe externally connected with the fifth pipeline and arranged at the rear end of the second filter, a pneumatic butterfly valve C2 arranged on the air pipe, an external connection pipe externally connected with the front end of the charging barrel, a pneumatic valve disc C4 arranged on the external connection pipe and a negative pressure sensor C5.
Preferably, the ejector pin vacuumizing control and monitoring system comprises a mold ejector pin plate communicated with the sixth pipeline, a third filter arranged on the sixth pipeline, a pneumatic shaft disc D1 arranged in front of the third filter, an ejector pin plate pipeline externally connected with the sixth pipeline at the rear end of the third filter and a positive-negative pressure sensor D2 arranged on the ejector pin plate pipeline.
The beneficial effects of the invention are as follows: according to the technical scheme, the diversified vacuumizing mode is adopted to cope with complex vacuumizing requirements of various die casting machines, the requirement of the large-tonnage die casting machine on vacuumizing of the vacuum machine is met, the vacuum pump of the vacuum machine is easily damaged due to high temperature of a die casting workshop, and the service life of the vacuum pump is prolonged.
Drawings
FIG. 1 is a schematic diagram of a vacuum system of a multi-component large tonnage die casting machine according to the present invention;
FIG. 2 is a schematic diagram of a vacuum master station system of a multi-component large tonnage die casting machine vacuum system according to the present invention;
FIG. 3 is a schematic diagram of a die cavity channel control system of a vacuum system of a multi-component large tonnage die casting machine according to the present invention;
FIG. 4 is a schematic diagram of a cylinder vacuum control system of a multi-component large tonnage die casting machine vacuum system according to the present invention;
FIG. 5 is a schematic diagram of a part of a cylinder vacuum control system of a vacuum system of a multi-component large tonnage die casting machine according to the present invention;
FIG. 6 is a schematic diagram of a thimble vacuumizing control and monitoring system of the vacuum system of the diversified large-tonnage die casting machine of the present invention;
in the figure: 1. a vacuum control system of the die casting machine; 2. a die casting machine die; 3. a vacuum master station system; 11. a cavity channel control system; 12. a charging barrel vacuumizing control system; 13. the ejector pin vacuumizing control and monitoring system; 31. a vacuum pump; 32. a filter; 33. a main pipeline; 34. a main electromagnetic valve; 35. a pipeline; 36. a first vacuum tank; 37. a second pipeline; 38. an auxiliary pipeline; 39. a second vacuum tank; 310. a third pipeline; 311. a fourth pipeline; 312. a second vacuum tank line; 313. a fifth pipeline; 314. a sixth pipeline; 111. a first filter; 112. detecting a pipeline; 121. a charging barrel; 122. a second filter; 123. an air pipe; 124. an outer connecting pipe; 131. a die ejector plate; 132. a third filter; 133. thimble board pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 6, a diversified large-tonnage die casting machine vacuum system comprises a die casting machine vacuum control system 1, a die casting machine die 2 controlled by the die casting machine vacuum control system 1 and connected with the die casting machine die, and a vacuum machine master station system 3 for providing energy for the die casting machine vacuum control system;
the die casting machine vacuum control system 1 comprises a die cavity channel control system 11 for controlling a die cavity channel of a die, a feed cylinder vacuumizing control system 12 for controlling the vacuumizing of a feed cylinder and a thimble vacuumizing control and monitoring system 13 for controlling the vacuumizing and detection of a thimble plate of the die; external connection
The vacuum master station system 3 comprises a plurality of vacuum pumps 31, a filter 32 connected with the vacuum pumps 31 respectively, and a main electromagnetic valve 34 arranged on the filter 32 and connected with the main pipeline 33 respectively through pipelines, wherein the main pipeline 33 is externally connected with two groups of pipelines 35 and connected with a first vacuum tank 36, the main pipeline is also provided with a pneumatic valve disc A14, the main pipeline 33 is connected with the die cavity channel control system 11, two groups of external pipelines connected with the first vacuum tank 36 are respectively provided with a pneumatic valve disc A4 and a pneumatic valve disc A5, the bottom of the first vacuum tank 36 is externally connected with an electromagnetic valve A13, the first vacuum tank 36 is externally connected with a second pipeline 37 and mutually connected with the main pipeline 33, the upper part of the first vacuum tank is also provided with an electromagnetic valve A16, the main pipeline is externally connected with an auxiliary pipeline 38, the auxiliary pipeline 38 is connected with a second vacuum tank 39, the position of the external connection of the auxiliary pipeline 38 is arranged in front of the second pipeline 37, the pneumatic valve disc A14 is arranged between the joint of the auxiliary pipeline and the second pipeline at the position of the main pipeline, the front end of the auxiliary pipeline is also provided with a solenoid valve A15, the starting valve disc A19 is arranged at the position of the second vacuum tank, the middle position of the auxiliary pipeline 38 is respectively externally connected with a third pipeline 310 and a fourth pipeline 311, the ends of the third pipeline 310 and the fourth pipeline 311 are respectively provided with a pneumatic valve disc A17 and a pneumatic valve disc A18, the second vacuum tank 39 is externally connected with a second vacuum tank pipeline 312, the bottom of the second vacuum tank 39 is also externally connected with a solenoid valve A13, the third pipeline 310 and the fourth pipeline 311 are respectively communicated with the second vacuum tank pipeline 312, and the front ends of the junctions of the third pipeline 310, the fourth pipeline 311 and the second vacuum tank pipeline 312 are respectively provided with a pneumatic valve disc A21, the pneumatic valve disc A20 is externally connected with a fifth pipeline 313 which is mutually communicated with the charging barrel vacuumizing control system 12 in the middle of the third pipeline 310, and a sixth pipeline 314 which is mutually communicated with the thimble vacuumizing control monitoring system 13 in the middle of the fourth pipeline 311;
because the requirements of different products on vacuum are also different, some are suitable for small-flow vacuum and some are suitable for large-flow vacuum, the vacuum machine main station system 3 provides vacuum for matching with different conditions, and the vacuum machine main station system is specifically divided into the following two vacuumizing modes:
the high-flow vacuumizing mode is to store 4000L of vacuum through the first vacuum tank 36, when a signal is received, the control valve is opened and closed, and the vacuum in the storage tank is instantaneously released, so that the aim of vacuum is fulfilled, and the specific operation process is as follows: a14, A13, A16, A4, A5, vacuum pump 31 is opened, 3 vacuum pumps are started, and vacuumizing effect is realized.
The small flow vacuumizing mode is that 3 vacuum pumps are started, and only the vacuum pumps are used for vacuumizing, so that compared with tank vacuumizing, the vacuumizing is relatively mild, and the vacuumizing effect is achieved; the specific operation process is as follows: a16, A13, A4 and A5 are closed, A14 and the vacuum pump 31 are opened, and 3 vacuum pumps are started to realize the vacuumizing effect.
The main station system 3 of the vacuum machine is used for matching with the vacuum pumping of the charging barrel of the die casting machine, and is divided into two types, namely one type is suitable for rapid pumping and one type is suitable for slow pumping, the rapid pumping corresponds to some types of aluminum liquid after the charging barrel of the die casting machine is filled, the liquid level is relatively low, and the rapid pumping can lead the die casting machine to achieve the purpose of vacuum rapidly. The slow pumping is to some, the material jar, aluminium liquid behind the filler, the liquid level is very high, and the sudden pumping can take the aluminium liquid up, and suction feed cylinder control box causes the jam to select slow pumping, reach the purpose of evacuation, also can not block up the passageway case. The specific operation process of the emergency pumping is as follows: under the condition that the vacuum pump is started, A17, A13 are closed, A19, A21 are opened; the specific slow pumping operation process is as follows: under the condition that the vacuum pump is started, A21, A19 and A13 are closed, and A17 is opened.
The main station system 3 of the vacuum machine is used for matching with the ejector plate vacuumizing of the die casting machine to be divided into two vacuumizing modes, the vacuumizing leakage of the ejector plate is usually largest, the ejector plate can be used under the conditions that the vacuum machine meets the vacuumizing of a die cavity and the vacuumizing of a charging barrel, if no ejector plate is left, the vacuum pumping can be carried out in a relatively maintained mode, and the specific ejector plate saving emergency vacuumizing process is as follows: under the condition that the vacuum pump is started, A18, A13 are closed, A19, A20 are opened; and in the process of pumping slowly the ejector plate pump, under the condition that the vacuum pump is started, A20, A19 and A13 are closed, and A18 is opened.
The die cavity channel control system 11 is provided with a plurality of systems according to the shape of a die cavity, the systems are respectively communicated with a vacuum valve arranged in the die, the die cavity channel control system 11 mainly controls the rear end of the die vacuum valve, the vacuum valve is started and stopped, the vacuumizing effect is monitored, the purging effect is achieved, the vacuum valve is in a smooth state, the die cavity channel control system 11 specifically comprises a first filter 111 communicated with a main pipeline, a pneumatic shaft valve B1 arranged at the front end of the first filter 111, a detection pipeline 112 is externally connected to the main pipeline at the rear side of the first filter 111, a positive pressure sensor B2 and a pneumatic shaft valve B4 are sequentially arranged on the detection pipeline, a negative pressure sensor B3 is further connected to the pneumatic shaft valve B4, and the specific working principle is as follows: in the initial state, B1, B4 and B5 are closed, when the model needing to be vacuumized is received, B1 and B4 are opened to start vacuuming, B2 and B3 start monitoring vacuumizing effect, when a vacuumizing stop signal is received, B1 and B4 are closed, when a purging signal is received, B5 is opened to start purging, and when the purging signal is received, B5 is closed to finish a cycle, enter the initial state and wait for the next cycle.
The barrel vacuumizing control system 12 mainly aims at vacuumizing a material cylinder of a die casting machine, monitors vacuumizing effect of the material cylinder, the barrel vacuumizing control system 12 comprises a material barrel 121 communicated with a fifth pipeline 313, a second filter 122 is arranged in the fifth pipeline 313, a pneumatic shaft valve C1 arranged at the front end of the second filter 122, an air pipe 123 is externally connected with the fifth pipeline 313 arranged at the rear end of the second filter 122, a pneumatic butterfly valve C2 arranged on the air pipe 123, an external connection pipe 124 is externally connected in front of the end of the fifth pipeline 313 connected with the material barrel 121, a pneumatic valve disc C4 arranged on the external connection pipe 124 and a negative pressure sensor C5 are arranged in the fifth pipeline 313, and the concrete working principle is as follows: in the initial state, C1 and C2 are closed, when a charging barrel vacuumizing start signal is received, C1 and C4 are opened, vacuumizing is started, after a vacuumizing end signal is received, C1 and C4 are closed, after C1 is closed for 2 seconds, C2 is opened, and a charging barrel pipeline is purged and cleaned. And after the purging and cleaning are finished, the device enters an initial state and enters the next cycle. C5 is used for monitoring the vacuum value of the material cylinder and reflecting the vacuumizing effect;
the design of the charging barrel in the embodiment is respectively 3 channels, and one channel or 3 channels can be selectively opened according to the actual condition of the die casting machine. The opening and closing time can be set to be sequential or together, thereby greatly solving the complex die casting process and the requirement of vacuum
The ejector pin vacuumizing control monitoring system 13 mainly aims at vacuumizing the ejector pin plate of the die casting machine, and monitors vacuumizing effects, the ejector pin vacuumizing control monitoring system 13 comprises a die ejector pin plate 131 communicated with a sixth pipeline 314, a third filter 132 arranged on the sixth pipeline 314, a pneumatic shaft disk D1 arranged in front of the third filter 132, an ejector pin plate pipeline 133 externally connected with the rear end of the third filter 132 and arranged on the sixth pipeline 314, and a positive-negative pressure sensor D2 arranged on the ejector pin plate pipeline 133, wherein the specific working principle is as follows: in the initial state, D1 is closed, the ejector pin vacuumizing signal D1 is received to be opened, the ejector pin vacuumizing ending signal is received, and D1 is closed to enter the initial state to wait for the next cycle.
The invention has the advantages that the technical scheme is used for coping with complex vacuumizing requirements of various die casting machines by adopting a diversified vacuumizing mode, solving the requirement of the large-tonnage die casting machine on vacuumizing of the vacuum machine, ensuring that the vacuum pump of the vacuum machine is easy to damage due to high temperature of the die casting workshop, and prolonging the service life of the vacuum pump.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a diversified large-tonnage die casting machine vacuum system, its includes die casting machine vacuum control system, receives die casting machine mould that die casting machine vacuum control system controlled and meet, and the vacuum owner station system that provides the energy for die casting machine vacuum control system, its characterized in that: the vacuum control system of the die casting machine comprises a die cavity channel control system for controlling a die cavity channel, a feed cylinder vacuumizing control system for controlling feed cylinder vacuumizing and a thimble vacuumizing control monitoring system for controlling die thimble plate vacuumizing and detection, wherein the vacuum machine main station system comprises a plurality of vacuum pumps, filters respectively connected with the vacuum pumps, and a main solenoid valve arranged on the pipeline respectively through pipelines, a first vacuum tank connected with the main pipeline through two groups of pipelines which are connected outwards, the first vacuum tank is also connected with a second pipeline in an external mode, the second pipeline is connected with the main pipeline in an internal mode, an auxiliary pipeline is also connected with the auxiliary pipeline, the auxiliary pipeline is connected with the second vacuum tank, a third pipeline and a fourth pipeline are respectively connected with the auxiliary pipeline in an external mode, the second vacuum tank is connected with the second vacuum tank pipeline in an external mode, the third pipeline and the fourth pipeline are respectively connected with the second vacuum tank pipeline in an external mode, the third pipeline is connected with the vacuum tank, the auxiliary pipeline is connected with the vacuum tank, and the vacuum tank is connected with the vacuum control system in an external mode, and the vacuum tank is connected with the vacuum tank.
2. A multi-component large tonnage die casting machine vacuum system according to claim 1, wherein: the pneumatic valve disc A14 is further arranged on the main pipeline, the pneumatic valve disc A4 and the pneumatic valve disc A5 are respectively arranged on two groups of external pipelines communicated with the first vacuum tank, the pneumatic valve disc A14 is arranged at the position of the main pipeline and between the auxiliary pipeline and the interface of the second pipeline, the electromagnetic valve A15 is further arranged at the front end of the auxiliary pipeline, the starting valve disc A19 is arranged at the position of the auxiliary pipeline and connected with the second vacuum tank, the pneumatic valve disc A17 and the pneumatic valve disc A18 are respectively arranged at the end parts of the third pipeline and the fourth pipeline, and the pneumatic valve disc A21 and the pneumatic valve disc A20 are respectively arranged at the front end of the junction of the third pipeline and the fourth pipeline and the second vacuum tank pipeline.
3. A multi-component large tonnage die casting machine vacuum system according to claim 1, wherein: the bottom of the first vacuum tank and the bottom of the second vacuum tank are externally connected with an electromagnetic valve A13.
4. A multi-component large tonnage die casting machine vacuum system according to claim 1, wherein: the die cavity channel control system comprises a first filter communicated with the main pipeline, and a pneumatic shaft valve B1 arranged at the front end of the first filter, wherein a detection pipeline is externally connected to the main pipeline at the rear side of the first filter, a positive pressure sensor B2 and a negative pressure sensor B4 are sequentially arranged on the detection pipeline, a pneumatic shaft valve B5 is arranged on the detection pipeline, and the pneumatic shaft valve B4 is further connected with a negative pressure sensor B3.
5. A multi-component large tonnage die casting machine vacuum system according to claim 1, wherein: the charging barrel vacuumizing control system comprises a charging barrel communicated with a fifth pipeline, a second filter, a pneumatic shaft valve C1 arranged at the front end of the second filter, an air pipe externally connected with the fifth pipeline and arranged at the rear end of the second filter, a pneumatic butterfly valve C2 arranged on the air pipe, an external connection pipe externally connected with the front end of the charging barrel, a pneumatic valve disc C4 arranged on the external connection pipe and a negative pressure sensor C5.
6. A multi-component large tonnage die casting machine vacuum system according to claim 1, wherein: the ejector pin vacuumizing control monitoring system comprises a die ejector pin plate communicated with the sixth pipeline, a third filter arranged on the sixth pipeline, a pneumatic shaft disc D1 arranged in front of the third filter, an ejector pin plate pipeline externally connected with the sixth pipeline at the rear end of the third filter and a positive and negative pressure sensor D2 arranged on the ejector pin plate pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211727454.XA CN116000261A (en) | 2022-12-29 | 2022-12-29 | Diversified large-tonnage die casting machine vacuum system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211727454.XA CN116000261A (en) | 2022-12-29 | 2022-12-29 | Diversified large-tonnage die casting machine vacuum system |
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| Publication Number | Publication Date |
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| CN116000261A true CN116000261A (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211727454.XA Pending CN116000261A (en) | 2022-12-29 | 2022-12-29 | Diversified large-tonnage die casting machine vacuum system |
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| CN (1) | CN116000261A (en) |
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2022
- 2022-12-29 CN CN202211727454.XA patent/CN116000261A/en active Pending
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