Filtering method for evaporative pattern full-mold casting small part pouring system
A pouring system and solid casting technology, applied in casting equipment, casting molding equipment, casting molds, etc., can solve problems affecting the company's economic benefits and increase production costs, and achieve the effects of simplifying equipment, reducing waste, and reducing production costs.
Inactive Publication Date: 2020-07-28
WUHU RUYHOO CASTING
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Problems solved by technology
We calculate the required number of ingates according to the actual weight of the casting and the molten iron flow of a single ingate, and each ingate is equipped with a filter, but for small pieces, some small pieces are very small, and the castings made Only tens of kilograms, it is too small for a filtration system with a filtration capacity of several hundred kilograms. Using one small piece corresponds to one filter will increase the production cost and affect the company's economic benefits
Method used
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[0015] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with examples, which are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.
[0016] This embodiment provides a method for filtering the pouring system of small pieces of lost foam solid mold casting. The pouring system includes a sprue cup, a runner, a sprue, and an inner runner. The sprue is connected with the sprue, and the sprue is connected with the inner sprue. The sprue is a three-way ceramic pipe, and the filter 2 is set on the runner 1 to filter impurities in the molten iron. The filter and the three-way The pottery pipes 3 are connected;
[0017] Such as figure 1 As shown, when the casting is less than 100kg, the filter 2 filters the molten iron and casts two castings 4, the inlet end of the three-way ceramic pipe 3 is connected to the filter 2, and the ...
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The invention aims to provide a filtering method for an evaporative pattern full-mold casting small part pouring system. A filter is arranged on a transverse runner, when the filter filters iron liquid of two castings, a three-way ceramic tube is arranged on the filter, and then the three-way ceramic tube is connected with inner runners of the castings. When the filter filters iron liquid of fourcastings, the three-way ceramic tube is arranged on the filter, then the three-way ceramic tube is connected with two auxiliary three-way ceramic tubes, and then the outlet ends of the auxiliary three-way ceramic tubes are connected with inner runners of the castings. By means of the whole filtering method, one filter can filter the iron liquid of multiple castings, so that the production cost isgreatly reduced, equipment is simplified, superfluous waste is reduced, maximum utilization is achieved, and the method is suitable for the evaporative pattern full-mold casting small part pouring system.
Description
technical field [0001] The invention relates to the technical field of full mold casting, in particular to a filtering method for a gating system of small pieces of lost foam full mold casting. Background technique [0002] Casting refers to the processing method of melting solid metal into liquid and pouring it into a mold of a specific shape, and waiting for it to solidify and form. [0003] During the full mold casting process, molten iron enters the casting through the sprue cup, runner, sprue, and ingate, and a filter is placed between the sprue and the ingate to prevent inclusions from entering the casting. Ensuring the quality of castings is essential for the use of filters. We calculate the required number of ingates according to the actual weight of the casting and the molten iron flow of a single ingate, and each ingate is equipped with a filter, but for small pieces, some small pieces are very small, and the castings made It is only tens of kilograms, which is t...
Claims
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Login to View More IPC IPC(8): B22C9/08B22C9/04B22D43/00
CPCB22C9/04B22C9/086
Inventor 陶德亮王皖刘平左从军王咸珠
Owner WUHU RUYHOO CASTING