Flow meter housing casting piece

A flowmeter and shell technology, which is applied in the directions of casting molds, casting mold components, casting molding equipment, etc., can solve the problems of poor quality of flowmeter shell castings, and achieve the effect of improving product quality and avoiding shrinkage defects.

Inactive Publication Date: 2012-10-03
WUXI UNIVERSAL PRECISION CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, conventional flowmeter housing castings are of poor quality

Method used

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  • Flow meter housing casting piece
  • Flow meter housing casting piece

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Embodiment Construction

[0010] Such as figure 1 As shown, the casting of the flowmeter housing of the present invention includes a straight pipe 3, the two ends of the straight pipe 3 are cast with radial bosses 1, and the middle side of the straight pipe 3 is cast with a radial protrusion 2. During casting, a radial hole 4 for installing a flowmeter sensor is reserved on the radial projection 2 , and the radial hole 4 communicates with the inner cavity of the straight pipe 3 . Compared with the flowmeter casing castings in the background art, not only does it not need to process the sensor installation hole for installing the flowmeter after casting, which improves the processing efficiency, but also avoids the occurrence of shrinkage and porosity defects, so that the product quality is greatly improved.

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Abstract

The invention relates to a flow meter housing casting piece, in particular to a housing casting piece of a flow meter. The flow meter housing casting piece comprises a straight pipe, and is characterized in that radial bosses are formed at the both ends of the straight pipe; a radial hole for mounting a sensor is reserved in the middle of the straight pipe; a radial embossment is processed on one side in the middle of the straight pipe; and the radial hole is cast on the radial embossment. The flow meter housing casting piece is better in quality.

Description

technical field [0001] The present invention relates to a metal casting. Specifically, it is the casing casting of the flowmeter. Background technique [0002] It is well known in the foundry industry and the flowmeter production industry that traditional flowmeter housing castings include straight pipes with radial bosses at both ends and radial protrusions cast in the middle of the straight pipes. After casting, an inductor installation hole is processed on the radial projection by lathing, so as to install the inductor of the flowmeter. Since the radial protrusions are first cast on the casting, and then the sensor installation holes are processed on the radial protrusions, the straight pipe wall at the radial protrusions is relatively thick, and shrinkage defects are prone to occur. Once shrinkage defects appear, water leakage is prone to occur after the sensor is installed in the processed mounting hole. As a result, conventional flowmeter housing castings are of poo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/24
Inventor 劭建栋
Owner WUXI UNIVERSAL PRECISION CASTING
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