Extrusion casting device and method using same to produce castings
An extrusion type, driving device technology, applied in the field of metallurgical casting, can solve the problem of not being able to produce titanium or titanium alloy castings, and achieve the effects of dense organization, smooth surface and uniform thickness
Active Publication Date: 2013-03-20
PANZHIHUA LIYU MINING
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Problems solved by technology
Qualified titanium or titanium alloy castings that meet relevant standards cannot be produced according to the existing hot extrusion technology
Method used
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[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0022] Such as figure 1 As shown, the extrusion casting device of the present invention includes a melting furnace 1, an inner mold 7 and an outer mold base 15, and also includes a container 11 arranged below the melting furnace 1, and the container 11 is provided with an inlet for taking The object port is sealed by a cover 5 detachably connected to the container, and an inert gas input interface 17 is also provided on the container 11; a molten metal receiving station 18 and an extrusion molding station 19 are arranged in the container 11, and the melting furnace 1 A conduit 16 is arranged below the outlet of the conduit, and the lower end of the conduit is located at the molten metal receiving station 18 in the container 11; the outer mold base 15 is located in the container, and the outer mold base 15 is connected with the outer mold base d...
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The invention discloses an extrusion casting device and a method using the extrusion casting device to produce cylindrical castings that are high in quality, compact in texture, uniform in thickness, smooth in surfaces, free from weld repairs and shot blasting and resistant against chemical corrosion. The device comprises a smelting furnace, an inner mold, an outer mold holder and a container, wherein a fetching port formed in the container is sealed by a cover body that is detachably connected with the container; the container is provided with an inert gas input interface and internally provided with a molten metal receiving station and an extrusion forming station; an outlet of the smelting furnace is toward a conduit; the lower end of the conduit is located at the molten metal receiving station in the container; the outer mold holder is located in the container and connected with an outer mold holder driving device; the outer mold holder is provided with an outer mold holder temperature control device; the inner mold is arranged at the extrusion forming station in the container and connected with an inner mold driving device; when the inner mold is located in the internal cavity of the outer mold holder, an extrusion forming cavity is formed at the clearance between the outer wall of the inner mold and the inner wall of the outer mold holder; and the inner mold is provided with an inner mold cooling device.
Description
technical field [0001] The invention relates to a squeeze casting device in the field of metallurgical casting, and also relates to a method for producing castings by using the device. Background technique [0002] Because titanium and titanium alloys have excellent properties such as low density, high specific strength, corrosion resistance, small linear expansion coefficient, and good biocompatibility, they are indispensable in aviation, aerospace, ocean transportation, chemical industry, metallurgy, medical and health industries, etc. Therefore, its consumption and application have been increasing at a rate of 20% per year since the end of the last century. In the forming of titanium and titanium alloys, the production process of deformed parts has long been abandoned. One is the update and upgrade of smelting process and equipment, and the other is the exploration and research of molding technology and its special molding materials. At present, the basic positioning of ...
Claims
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IPC IPC(8): B22D18/02
Inventor 何德武桑曙光
Owner PANZHIHUA LIYU MINING