Molding apparatus and method for molding using same
A molding equipment and molding method technology, applied in casting molding equipment, metal processing equipment, cores, etc., can solve the problems of sufficient gas discharge and gas retention, and achieve the effect of improving strength
Active Publication Date: 2021-05-14
FCC KK
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Problems solved by technology
However, there are cases where the gas generated in the cavity cannot be sufficiently discharged by the overflow port or the discharge port, and there is a concern that the gas remains in the molded product and becomes air bubbles
Method used
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[0044]Hereinafter, embodiments of the present invention will be specifically described with reference to the accompanying drawings.
[0045]The molding apparatus according to the present embodiment is a casting apparatus for obtaining a ring forming article (ring cast article) by casting a molten metal such as molten aluminum into the cavity. Such asFigure 1 to 13 As shown in the molding apparatus, the molding apparatus includes: a fixed mold D1 (first molding mold) and a movable mold D2 (second molding die); and a first block B1 (fixed plug-in) installed in the fixed mold D1, The second block B2 (movable plug-in) in the mold D2 is moved.
[0046]The fixing mold D1 and the movable mold D2 are composed of a mold for molding a plurality of the same types of forms (for simultaneous molding of plurality of forming articles), and these fixing die D1 And the movable mold D2 matches each other, thereby in which the ring forming article W (refer toFigure 14 withFigure 15 Multiple cavities C (refe...
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Provided are: a molding apparatus whereby gas that occurs in a cavity can be smoothly and adequately discharged to the outside through a discharge hole, and molten metal can be restrained from reaching the discharge hole; and a method for molding using the molding apparatus. A molding apparatus for obtaining an annular molded article, the molding apparatus comprising: a fixed die D1 and a movable die D2 whereby an annular cavity C can be formed; a first block B1 and a second block B2 which are formed on the inside of the cavity C in the fixed die D1 and the movable die D2 and are configured so as to be able to form a flow channel R communicated with the cavity C, and in which molten metal and gas that occurs in the cavity C can flow through the flow channel R; and a discharge hole B2b which is formed in the second block B2 and which can discharge, to the outside, gas that flows through the flow channel R; wherein the surfaces of the first block B1 and the second block B2 that form the flow channel R are configured so as to have an outer circumferential shape following the inner circumferential shape of the cavity C.
Description
Technical field[0001]The present invention relates to a molding apparatus of a cyclic molded article and a molding method using a molding apparatus by casting a molten metal into a cavity.Background technique[0002]A molding device (casting apparatus) having a fixing die and removable mold generally includes a portion, a portion of the overflow port or discharge port that can be discharged to the outside of the cavity, fixed mold and movable molds are close or adjacent to each other. It is thus possible to form a cavity, which is used to obtain a molded article by casting a molten metal such as aluminum into a cavity. However, there is a case where the gas generated in the cavity cannot be sufficiently discharged by the overflow port or the discharge port, and is worried that the gas remains in the forming article and becomes a bubble.[0003]In particular, when the form is formed, since the air tends to remain in the cavity, it is conventionally proposed in the cavity to discharge the...
Claims
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IPC IPC(8): B22D17/22B22C9/06B29C33/10
CPCB22C9/06B29C33/10B22D17/22B22D17/2263
Inventor 栗田幸典神原真
Owner FCC KK