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Positioning spring core support

A spring core and support piece technology, applied in the field of spring core support, can solve problems such as damage to the target part model, weak support, tilting of the core support, etc., so as to improve the yield, reduce production costs, and improve dimensional accuracy and shape and position accuracy. Effect

Inactive Publication Date: 2017-08-18
高州市金松铸造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although a great improvement has been made in preventing damage to the target part model, due to the carelessness of the staff or the slight impact of the outside world, the core support will tilt or fall, and the support is not firm, which will also cause damage to the target part model

Method used

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  • Positioning spring core support

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. As shown in the figure, a spring stay includes an upper stay 3 and a lower stay 2, and a connecting piece connecting the upper stay 3 and the lower stay 2, and the materials used for the upper stay 3 and the lower stay 2 and the casting The material is the same, and its melting point is slightly higher than that of the casting metal, so as to ensure that it has enough strength to support the sand core before the casting is completely solidified, and at the same time, it is well fused with the casting during the solidification process, and the surface is clean, oil-free, and rust-free , Anhydrous, preferably galvanized or tin-plated, strictly pickling before electroplating. The connecting piece includes an upper connecting rod 5 and a lower connecting pipe 4, the lower connecting pipe 4 is a metal pipe, the upper connecting rod 5 is connected to the upper ...

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Abstract

The invention relates to a spring core support for fixing a sand core, which belongs to the technical field of casting. A spring core stay, including an upper stay and a lower stay, and a connecting piece connecting the upper stay and the lower stay, characterized in that: the connecting piece includes an upper connecting rod and a lower connecting pipe, and the lower The connecting pipe is a metal pipe, the upper connecting rod is connected to the upper support piece, the lower connecting pipe is connected to the lower supporting piece, the upper connecting rod is sleeved in the lower connecting pipe and closely matched, the upper connecting rod A spring is also arranged between the lower connecting pipe. The invention has the beneficial effects of: solving the problems of folded cores and floating cores of such products, improving the yield of such products; improving product production efficiency, reducing production costs, and improving the market competitiveness of products.

Description

technical field [0001] The invention relates to a spring core support for fixing a sand core, which belongs to the technical field of casting. Background technique [0002] At present, it is a common practice to use special shaped supports, ie core supports, to assist sand cores in casting technology. The shape of the core support is various, such as flat, arc-shaped, U-shaped, etc., and the size and length are different. The core support should be selected according to the position of the core support in the casting, the shape of the cavity, and the wall thickness of the casting. shape, size. However, for complex cavity products with multiple cores, multiple compartments, broken chambers, and broken suspension cores, and products with strict requirements on wall thickness, size, and shape and position accuracy, it is necessary to design and manufacture many core supports with different shapes and sizes. The height of some core supports is very different, and the required ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C21/14
CPCB22C21/14
Inventor 邓锦志
Owner 高州市金松铸造有限公司
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