Single-column sodium silicate-bonded sand molding machine and molding technology thereof

A water glass sand and molding machine technology, applied in molding machines, manufacturing tools, casting and molding equipment, etc., can solve problems such as increased investment and inconvenient organization, and achieve the effects of increased labor productivity, low labor intensity, and simple process operations.

Active Publication Date: 2015-05-20
SHANDONG JIANZHU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process CO 2 Less consumption, good collapsibility of old sand, but need a specially designed vacuum chamber, which increases investment and brings inconvenience to production organization

Method used

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  • Single-column sodium silicate-bonded sand molding machine and molding technology thereof
  • Single-column sodium silicate-bonded sand molding machine and molding technology thereof

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Embodiment Construction

[0024] For traditional CO 2 The hardened water glass sand process has the problems of large amount of water glass added, unstable hardening process, prone to "overblown" phenomenon, poor collapsibility of old sand, and VRH process needs to set up a special hardening room and large investment in equipment. The present invention provides A suitable for CO 2 The single-column water glass sand molding machine of the hardened water glass sand process includes a base 1, a frame 15 arranged on the rear side of the base 1, a mold ejecting mechanism, a lifting mechanism and a vibration mechanism arranged on the base 1, and the frame 15 The upper end is provided with a rotary arm 11, and a workbench 5 is arranged above the vibrating mechanism. The upper surface of the workbench 5 is sunken inward to form a cavity. There is a vacuum chamber interface 16, and the vacuum chamber interface 16 is connected with the vacuum system through a vacuum valve, and the rotary arm 11 is provided with...

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Abstract

The invention discloses a single-column sodium silicate-bonded sand molding machine and a molding technology thereof. The molding machine comprises a base and a frame, wherein a pattern drawing mechanism, a lifting mechanism and a vibrating mechanism are arranged on the base; a rotary arm is arranged at the upper end of the frame; a work bench is arranged on the vibrating mechanism; the upper surface of the work bench sinks to form a cavity; a template arranged at the upper end face of the work bench and the work bench form a vacuum chamber; the vacuum chamber is connected with a vacuum system; and a CO2 blowing device is arranged on the rotary arm. The single-column sodium silicate-bonded sand molding machine has the beneficial effects that stand-alone mechanization of sodium silicate-bonded sand molding can be achieved; the technological operation is simple; the labor intensity of working personnel is reduced; and the labor productivity is improved.

Description

technical field [0001] The invention relates to the field of casting in the machinery manufacturing industry, in particular to a single-column water glass sand molding machine and a molding process thereof. Background technique [0002] The water glass sand casting process is one of the three most commonly used sand casting processes and has been widely used. CO 2 The hardened water glass sand process is one of the commonly used water glass sand processes, according to blowing CO 2 Different ways can be divided into ordinary CO 2 Water glass sand process and vacuum blowing CO 2 Hardened water glass sand process. Ordinary CO 2 The water glass sand process inserts a pipe into the compacted mold (core) or covers the compacted mold (core) with a blowing hood and then blows CO 2 The gas hardens the water glass sand mold. The water glass added in this process is large, the hardening process is unstable, and the phenomenon of "overblowing" is easy to occur, and the old s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C15/276
Inventor 孙清洲张普庆韩勇
Owner SHANDONG JIANZHU UNIV
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