Investment casting pouring system for K4951 high-temperature alloy stabilizer casting

Abstract

The utility model discloses an investment casting pouring system for a K4951 high-temperature alloy stabilizer casting. The investment casting pouring system comprises an investment casting pouring system body with alloy liquid capable of forming stable mold filling pressure for mold filling. Alloy liquid is accumulated at the static pressure head to form stable mold filling pressure, the narrow section of the ingate enables the alloy liquid to have larger mold filling pressure under the action of the static pressure head, the alloy liquid is forcefully and stably filled in a stepped mode, the defects of looseness and shrinkage cavities do not occur when a casting is formed, and due to the fact that a dead head is not installed, the casting quality is improved. And the problem that the casting is scrapped due to incomplete molding caused by mold filling turbulence is solved.

Description

Technical Field

[0001] The utility model relates to an investment casting pouring system for a K4951 high-temperature alloy stabilizer casting, and belongs to the technical field of investment casting. Background Art

[0002] When K4951 high-temperature alloy is melted and cast into stabilizer castings, due to the variable structure and complex shape of the stabilizer castings, looseness and shrinkage defects are more likely to occur after investment casting.

[0003] The prior art adopts setting risers to compensate for shrinkage to solve the defects of looseness and shrinkage (see Chinese patent announcement number CN116727614A). However, too many bonded risers may easily generate turbulence during the pouring and filling process, resulting in incomplete casting and subsequent scrapping. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a K4951 high-temperature alloy stabilizer casting investment casting system.

[0005] The utility model is realized through the following technical solutions.

[0006] The utility model provides a K4951 high temperature alloy stabilizer casting investment casting system, comprising:

[0007] The investment casting pouring system is a system in which alloy liquid can form a stable filling pressure for filling the mold.

[0008] The investment casting pouring system comprises:

[0009] There is a straight sprue with an extended section at the top;

[0010] The extended section at the top of the sprue is provided with a pouring cup, and the pouring cup and the extended section at the top of the sprue together form a static pressure head for the alloy liquid to form a stable filling pressure for filling.

[0011] A filter screen is installed at the bottom of the pouring cup, and the filter screen is located on the top of the extended section at the top of the sprue.

[0012] It also includes a wax mold corresponding to the shape of the stabilizer casting; the wax mold is connected to the sprue through an ingrate, and the sprue is located in the middle of the multiple ingrates.

[0013] The cross section of the ingates is smaller than that of the sprues.

[0014] The inner runners are multiple and connected to the wax mold in a stepped manner.

[0015] The beneficial effects of the utility model are as follows: the alloy liquid accumulates at the static pressure head to form a stable filling pressure, and the narrower inner runner section makes the alloy liquid have a greater filling pressure under the action of the static pressure head, so that the alloy liquid fills the mold in a step-by-step, powerful and stable manner, so that the defects of looseness and shrinkage holes will not appear during the molding of the casting. Since the riser is not installed, the problem of incomplete molding and subsequent scrapping of the casting caused by filling turbulence is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the utility model;

[0017] In the figure: 1- pouring cup; 2- filter screen; 3- sprue; 4- static pressure head; 5- ingrate; 6- wax mold. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.

[0019] like Figure 1 shown.

[0020] A K4951 high-temperature alloy stabilizer casting investment casting system of the present application comprises:

[0021] The wax mold 6 corresponds to the shape of the stabilizer casting, and the wax mold 6 is connected to the straight runner 3 through the ingates 5. The straight runner 3 is located in the middle of multiple ingates 5. The cross-section of the ingates 5 is smaller than that of the straight runner 3. The ingates 5 are multiple and connected to the wax mold 6 in a stepped manner.

[0022] The top of the sprue 3 has an extended section; the extended section at the top of the sprue 3 has a pouring cup 1, a filter screen 2 is installed at the bottom of the pouring cup 1, and the pouring cup 1 and the extended section at the top of the sprue 3 constitute a static pressure head 4.

[0023] After the K4951 high-temperature alloy is melted into liquid metal, the molten K4951 high-temperature alloy liquid metal enters the bottom of the sprue 3 from the pouring cup 1 and the filter screen 2, and then the alloy liquid enters the casting molding cavity of the wax mold 6 from the ingrowth 5. The continuously poured alloy liquid accumulates at the static pressure head 4 to form a stable filling pressure. The narrower cross-section of the ingrowth 5 gives the alloy liquid a greater filling pressure under the action of the static pressure head 4, so that the alloy liquid is filled in a step-by-step, powerful and stable manner, so that there are no defects such as looseness and shrinkage holes during casting molding. Since the riser is not installed, the problem of incomplete casting molding and subsequent scrapping caused by filling turbulence is solved.

Claims

1. A K4951 high temperature alloy stabilizer casting investment casting system, characterized in that: Investment casting pouring system in which alloy liquid can form a stable filling pressure for filling; The investment casting pouring system comprises: A sprue with an extended section at the top (3); The extended section at the top of the sprue (3) is provided with a pouring cup (1), and the pouring cup (1) and the extended section at the top of the sprue (3) together form a static pressure head (4) that enables the alloy liquid to form a stable filling pressure for filling; It also includes a wax mold (6) corresponding to the shape of the stabilizer casting; the wax mold (6) is connected to the sprue (3) through the ingates (5), and the sprue (3) is located in the middle of the multiple ingates (5); The cross section of the inner runner (5) is smaller than the cross section of the straight runner (3).

2. The K4951 high temperature alloy stabilizer casting investment casting system according to claim 1, characterized in that: A filter screen (2) is installed at the bottom of the pouring cup (1), and the filter screen (2) is located on the top of the extended section at the top of the sprue (3).

3. The K4951 high temperature alloy stabilizer casting investment casting system according to claim 1, characterized in that: The inner runner (5) is a plurality of runners connected to the wax mold (6) in a stepped manner.

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