Device for forming hole in casting mold

Abstract

The invention discloses a device for forming a hole in a casting mold. The device comprises a hole model, a support and a magnetic assembly; the hole model is a cylinder, is provided with an outer surface and an inner surface and is used for being fixed to the surface of the interior of the casting mold, the support is arranged to be attached to the outer of the hole model and the upper surface of a mold body through screws, and makes contact with the outer surface of the mold body, the magnetic assembly located on the upper surface is composed of multiple magnets, multiple pole pieces and an outer sleeve, the depth of a groove provided by the magnetic assembly is the same with the thickness of the support, the magnetic assembly is used for fixing the position of the support, and in the casting process, magnetic force of the magnetic assembly prevents the support and the hole model from moving. The device has the beneficial effects that the structural design is simple, the magnetic assembly is used for attaching the support to the mold body, through magnetic stress, hoe model mismatching in the curing process can be prevented, positioning is accurate, and the hole model is fixed to the mold body so as to enable the outer area to be filled with casting materials.

Description

technical field [0001] The invention relates to a device for forming holes in casting moulds. Background technique [0002] Hole patterns are known to be used in concrete pours to define and precisely locate hole locations in concrete cast structures. Typical cast iron components are buried at depths of up to 30 feet in the ground. This depth is necessary to avoid expensive cost and adjustments with castings. For pipe fittings, the precise location of the holes is critical. Traditionally, the hole pattern is positioned within the concrete pour. When the concrete is poured, the end cap of the hole pattern is attached to the formwork body against one wall of the formwork, and a hole is drilled through the hole pattern. The end cap enters the formwork, and then the wires pass through the corresponding holes to connect the hole pattern to the formwork, however different concrete structures often require holes in various positions, which will result in the need to drill various h...

AI Technical Summary

Problems solved by technology

[0002] Hole patterns are known to be used in concrete pours to define and precisely locate hole locations in concrete cast structures. Typical cast iron components are buried at depths of up to 30 feet in the ground. This depth is necessary to avoid expensive cost and adjustments with castings. For pipe fittings, the precise location of the holes is critical. Traditionally, the hole pattern is positioned within the concrete pour. When the concrete is poured, the end cap of the hole pattern is attached to the formwork body against one wall of the formwork, and a hole is drilled through the hole pattern. The end cap enters the formwork, and then the wires pass through the corresponding holes to connect the hole pattern to the formwork, however different concrete structures often require holes in various positions, which will result in the need to drill various holes on the formwork. holes to fit and place accurately, this excessive drilling weakens the structural stability of the mold body, resulting in notched edges around the unused holes, and the holes that are not placed into the hole model become casting material pools, making it difficult to remove and easy to cause Damage the casting, thereby increasing production time and cost. In addition, the hole pattern has a tendency to float in the casting medium. The lines used to connect the hole pattern to the mold body often cause the hole pattern to move, so that the final position of the hole in the casting is different from the prefabricated The parts do not correspond, therefore, the holes in the casting cannot be connected accurately with the pipe

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