CN216656301U - Aluminum liquid quantitative heat preservation furnace device with gravity feedback - Google Patents
Aluminum liquid quantitative heat preservation furnace device with gravity feedback Download PDFInfo
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- CN216656301U CN216656301U CN202122787478.1U CN202122787478U CN216656301U CN 216656301 U CN216656301 U CN 216656301U CN 202122787478 U CN202122787478 U CN 202122787478U CN 216656301 U CN216656301 U CN 216656301U
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Abstract
The utility model discloses a gravity-fed molten aluminum quantitative holding furnace device, which comprises a gravity liquid level feedback system, an aluminum adding port, a holding furnace, a heating system, a closed launder, a pressure control system and a furnace body lifting mechanism, wherein the aluminum adding port is arranged on the bottom of the holding furnace; the heat preservation furnace is arranged on the furnace body lifting mechanism, so that the heat preservation furnace is lifted or descended to adapt to different casting machine equipment; the gravity liquid level feedback system is arranged between the heat preservation furnace and the furnace body lifting mechanism; an aluminum adding port is formed in one side above the heat preservation furnace, aluminum liquid is added into the heat preservation furnace, a heating system is arranged on a furnace body of the heat preservation furnace, and a closed flow groove is formed in the other side above the heat preservation furnace; a ceramic heating module, a heat insulation layer and a thermocouple are arranged on the outer side of the closed launder; the holding furnace is also provided with a pressure control system; the gravity liquid level feedback system is used for detecting and feeding back the liquid level to the pressure control system to realize pressurization and pressure relief in the heat preservation furnace. The full closed-loop control system can deal with small weight change of the furnace body, abnormal change of the liquid level of the aluminum liquid and the like, saves more energy and reduces the burning loss rate of the aluminum liquid.
Description
Technical Field
The utility model relates to the technical field of aluminum liquid quantitative holding furnace equipment in pressure casting, in particular to a gravity feedback aluminum liquid quantitative holding furnace device.
Background
Pressure casting, or high-pressure casting, is a casting method in which a liquid or semi-solid metal or alloy, or a liquid metal or alloy containing a reinforcement phase, is filled into a cavity of a die casting mold at a high pressure and at a high speed, and the metal or alloy is solidified under pressure to form a casting. The pressure used in die casting is 4-500 MPa, and the metal filling rate is 0.5-120 m/s.
The low-pressure casting is a casting method in which a casting mold is generally placed above a sealed crucible, compressed air is introduced into the crucible, a low pressure (0.06 to 0.15MPa) is generated on the surface of molten metal, and the molten metal is lifted from a lift tube to fill the casting mold and control solidification. The low-pressure casting method has good feeding and compact casting structure, is easy to cast large thin-wall complex castings, does not need a riser, and has the metal yield of 95 percent. No pollution and easy automation. The low-pressure casting equipment generally comprises a main machine, a hydraulic system, a holding furnace, a liquid level pressurizing device, an electrical control system, a casting mold cooling system and the like.
In the current casting process, a casting machine such as a high-pressure casting machine, a gravity casting machine and the like needs equipment for quantitatively supplying molten aluminum, and the current mainstream equipment is a machine side furnace with an opening, wherein a manipulator drives a ladle to take molten aluminum from the machine side furnace and pour the molten aluminum into a casting machine equipment mold. The problems exist that the heat loss of the open machine side furnace is serious, the burning loss of the aluminum liquid is serious, the quality of the aluminum liquid is not high, the rejection rate of castings is high, the service life of the machine side furnace is short, and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a gravity feedback aluminum liquid quantitative holding furnace device.
The complete technical scheme of the utility model comprises the following steps:
a gravity-fed aluminum liquid quantitative holding furnace device comprises a gravity liquid level feedback system, an aluminum adding port, a holding furnace, a heating system, a closed launder, a pressure control system and a furnace body lifting mechanism;
the heat preservation furnace is arranged on a furnace body lifting mechanism, the furnace body lifting mechanism is used for lifting or descending the heat preservation furnace, and the height of the heat preservation furnace is adjusted to adapt to different casting machine equipment;
the gravity liquid level feedback system is arranged between the heat preservation furnace and the furnace body lifting mechanism;
an aluminum adding port is formed in one side above the heat preservation furnace and used for adding aluminum liquid into the heat preservation furnace, a heating system is arranged on a furnace body of the heat preservation furnace and used for heating the heat preservation furnace, and a closed flow groove is formed in the other side above the heat preservation furnace; the closed launder is used for outputting the aluminum liquid in the heat preservation furnace to casting machine equipment;
a ceramic heating module is arranged on the outer side of the closed flow groove, a heat insulation layer is arranged on the outer side of the ceramic heating module, and a thermocouple for detecting the temperature of the ceramic heating module is arranged on the ceramic heating module;
the heat preservation furnace is also provided with a pressure control system; the pressure control system realizes pressurization and pressure relief in the heat preservation furnace; the gravity liquid level feedback system is used for detecting the quality of the aluminum liquid and feeding back the current liquid level to the pressure control system.
Compared with the prior art, the device of the utility model has the advantages that:
1. the utility model detects the liquid level through the gravity liquid level feedback system, provides the liquid level to the pressure control system, accurately extrudes the aluminum liquid through the pressure control system, and guides the aluminum liquid into the casting machine through the closed chute, thereby realizing the full closed-loop control. The full closed-loop control system can deal with small weight change of the furnace body, abnormal change of the liquid level of the aluminum liquid and the like.
2. The furnace body lifting mechanism adjusts the height of the heat preservation furnace to adapt to the casting machine, and the applicability of the device is improved.
3. The closed heat preservation system saves more electric energy and can save about half compared with an open machine side furnace. And the quality of the aluminum liquid is better ensured, and the oxide skin is greatly reduced. The heat preservation performance is good, the heating time is reduced, and the burning loss rate of the aluminum liquid is correspondingly reduced.
Drawings
FIG. 1 is a schematic view of a gravity-fed molten aluminum quantitative holding furnace device.
In the figure: 1-gravity liquid level feedback system, 2-aluminum feeding port, 3-heat preserving furnace, 4-heating system, 5-closed launder, 6-pressure control system and 7-furnace body lifting mechanism.
Detailed Description
The specific structure and working mode of the aluminum liquid quantitative holding furnace device with gravity feedback provided by the utility model are explained in detail below with reference to the accompanying drawings.
As shown in figure 1, the aluminum liquid quantitative heat preservation furnace device with gravity feedback comprises a gravity liquid level feedback system 1, an aluminum adding port 2, a heat preservation furnace 3, a heating system 4, a closed launder 5, a pressure control system 6, a furnace body lifting mechanism 7 and the like.
The heat preservation furnace 3 is arranged on a furnace body lifting mechanism 7, the furnace body lifting mechanism 7 is used for lifting or descending the heat preservation furnace, and the height of the heat preservation furnace is adjusted through the furnace body lifting mechanism 7 so as to adapt to casting machine equipment with different heights.
The gravity liquid level feedback system 1 is arranged between the heat preservation furnace 3 and the furnace body lifting mechanism 7.
An aluminum adding opening 2 is formed in one side above the holding furnace 3, a heating system 4 is arranged on a furnace body of the holding furnace 3, and a closed flow groove 5 is formed in the other side above the holding furnace 3. The ceramic heating module 3 is wrapped on the outer side of the closed flow groove 5, the heat preservation layer 4 is wrapped on the outer side of the ceramic heating module 3, and the thermocouple 6 detects the temperature of the ceramic heating module 3.
The holding furnace 3 is also provided with a pressure control system 6.
Adding aluminum liquid into the holding furnace 3 through the aluminum adding port 2, and outputting the 3 kinds of aluminum liquid in the holding furnace to casting machine equipment through the closed launder 5.
Pressurization and pressure relief in the holding furnace 3 can be realized through the pressure control system 6, aluminum liquid in the holding furnace 3 can be output to casting machine equipment along the closed launder 5 by pressurization, and aluminum liquid conveying is immediately suspended by pressure relief.
The gravity liquid level feedback system 1 can detect parameters related to the quality of the aluminum liquid through a proper installation position, the parameters can feed back the current liquid level through conversion, a high-precision proportional valve in the pressure control system 6 provides accurate pressure control according to the current liquid level, quantitative aluminum liquid is extruded, and the system automatically adjusts the data detected by the gravity liquid level detection system 1 to realize full-closed loop control according to the amount of the aluminum liquid detected by extrusion. The full closed-loop control system can deal with small weight change of the furnace body, abnormal change of the liquid level of the aluminum liquid and the like.
The holding furnace 3 is provided with heating by a heating system 4. The heat preservation system closed by the heat preservation furnace 3 realizes more electric energy saving, and can save about half compared with an open machine side furnace. And the quality of the aluminum liquid in the closed heat preservation furnace 3 system is better ensured, and the oxide skin is greatly reduced. The heat preservation performance is good, the heating time is reduced, and the burning loss rate of the aluminum liquid is correspondingly reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (1)
1. A gravity-fed aluminum liquid quantitative holding furnace device is characterized by comprising a gravity liquid level feedback system, an aluminum adding port, a holding furnace, a heating system, a closed launder, a pressure control system and a furnace body lifting mechanism;
the heat preservation furnace is arranged on a furnace body lifting mechanism, the furnace body lifting mechanism is used for lifting or descending the heat preservation furnace, and the height of the heat preservation furnace is adjusted to adapt to different casting machine equipment;
the gravity liquid level feedback system is arranged between the heat preservation furnace and the furnace body lifting mechanism;
an aluminum adding port is formed in one side above the heat preservation furnace and used for adding aluminum liquid into the heat preservation furnace, a heating system is arranged on a furnace body of the heat preservation furnace and used for heating the heat preservation furnace, and a closed flow groove is formed in the other side above the heat preservation furnace; the closed launder is used for outputting the aluminum liquid in the heat preservation furnace to casting machine equipment;
a ceramic heating module is arranged on the outer side of the closed flow groove, a heat insulation layer is arranged on the outer side of the ceramic heating module, and a thermocouple for detecting the temperature of the ceramic heating module is arranged on the ceramic heating module;
the heat preservation furnace is also provided with a pressure control system; the pressure control system realizes pressurization and pressure relief in the heat preservation furnace; the gravity liquid level feedback system is used for detecting the quality of the aluminum liquid and feeding back the current liquid level to the pressure control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787478.1U CN216656301U (en) | 2021-11-15 | 2021-11-15 | Aluminum liquid quantitative heat preservation furnace device with gravity feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787478.1U CN216656301U (en) | 2021-11-15 | 2021-11-15 | Aluminum liquid quantitative heat preservation furnace device with gravity feedback |
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| Publication Number | Publication Date |
|---|---|
| CN216656301U true CN216656301U (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122787478.1U Active CN216656301U (en) | 2021-11-15 | 2021-11-15 | Aluminum liquid quantitative heat preservation furnace device with gravity feedback |
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| Country | Link |
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| CN (1) | CN216656301U (en) |
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2021
- 2021-11-15 CN CN202122787478.1U patent/CN216656301U/en active Active
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