Recycling and circulating system for precoated sand production
A circulatory system, the technology of coated sand, which is used in casting molding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of poor cleaning effect and poor separation effect of coated sand metal particles, and achieve good and effective screening effect. Sealing separation, good separation effect
Pending Publication Date: 2022-08-05
安徽金丰迈机械制造有限公司
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[0003] According to the patent No. CN111957885A, a magnetic separation and iron removal device for coated sand recovery and crushing, by setting the magnetic suction device as detachable, it is convenient to remove the iron filings adsorbed on the magnetic ring in the later stage, but manual operation is required To remove iron filings, it needs to be shut down to clean up, the cleaning effect is poor, and the separation effect of metal particles in the coated sand is poor
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[0028] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific embodiments, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0029] see Figure 1-6 , the present invention provides a technical scheme: a production and recovery cycle system for coated sand, comprising a coarse separation box 1 and a subdivision conveyor belt 2, the coarse separation box 1 and the subdivision conveyor belt 2 are communicated through a conveyor belt 20, and the coarse separation The top of the box 1 is provided with a feeding port 3, the inner cavity of the coarse sub-box 1 is fixedly connected with a screening plate 5 through an elastic connecting belt 4, the bottom of the screening plate 5 is fixedly connected with a magnetic extension cylinder 7, and the bottom of the screenin...
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The precoated sand production recycling and circulating system comprises a coarse separation box and a fine separation conveying belt, the coarse separation box communicates with the fine separation conveying belt through a conveying belt, a feeding opening is formed in the top of the coarse separation box, and a screening plate is fixedly connected to an inner cavity of the coarse separation box through an elastic connecting belt; the invention relates to the technical field of precoated sand recovery. According to the precoated sand production recovery circulating system, a screening plate pulls an elastic connecting belt to vibrate, precoated sand is gradually and downwards shaken and conveyed, the precoated sand is shaken off into an adsorption tank during conveying, metal particles in the precoated sand are adsorbed by a magnetic extension cylinder, power supply of the magnetic extension cylinder is cut off, then a sealing rubber ring moves, and holes are formed in the bottom of the magnetic extension cylinder; and the metal particles losing suction force inside fall onto the inclined plane and roll into the metal block recovery tank to be recovered under the action of gravity, so that the precoated sand and the metal particles can be quickly separated, the separation effect is good, the metal particles can be taken out without shutdown, and the screening effect is better.
Description
technical field [0001] The invention relates to the technical field of film-coated sand recovery, in particular to a film-coated sand production and recycling system. Background technique [0002] Coated sand mainly uses high-quality selected natural quartz sand as raw sand, thermoplastic phenolic resin, urotropine and reinforcing agent as raw materials. According to the different technical requirements of users, the ratio is properly adjusted in terms of curing speed, release, fluidity, collapsibility, surface finish of castings, storage, etc. It is one of the best molding materials for automobiles, tractors, and hydraulic parts. The regeneration of old coated sand is an important measure to reduce the cost of castings, improve the quality of castings, reduce environmental pollution and save resources. The impurities and metal chips in the sand are removed, and the quality of the regenerated coated sand is improved. [0003] According to a magnetic separation iron removal...
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IPC IPC(8): B22C5/06B22C5/16
CPCB22C5/06B22C5/16
Inventor 郑幂涂凡
Owner 安徽金丰迈机械制造有限公司