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Cooling device for precoated sand

A cooling device and technology of coated sand, which are applied in foundry molding equipment, machinery for cleaning/processing of casting materials, metal processing equipment, etc. Convenience, ensure cooling effect and product quality, reduce the effect of force

Active Publication Date: 2020-11-13
台州市三门中兴铸造材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the coated sand is cooled, the coated sand is usually accumulated at the bottom wall of the drum, and the contact area with the drum is limited, so it will affect the cooling efficiency of the coated sand, which needs to be improved

Method used

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  • Cooling device for precoated sand
  • Cooling device for precoated sand
  • Cooling device for precoated sand

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Experimental program
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Effect test

Embodiment Construction

[0036] The application will be described in further detail below in conjunction with the accompanying drawings.

[0037] Such as figure 1 As shown, a cooling device for coated sand includes a pair of racks 1 distributed at right angles, and each rack 1 is provided with a strip-shaped drum 2 . The drum 2 is horizontally rotatably connected to the frame 1, and a connecting funnel 3 is arranged between a pair of drums 2 .

[0038] Such as figure 1 As shown, the frame 1 is provided with a water spray pipe 11 directly above the drum 2 , and the length direction of the water spray pipe 11 is the same as that of the drum 2 . The outer wall of the lower end of the water spray pipe 11 is provided with a water spray port 12 , and the frame 1 is provided with a pool 13 directly below the drum 2 .

[0039] When the above cooling device is used, the coated sand is poured into the drum 2, and the coated sand is transported by the drum 2 at the same time. After the coated sand is transfe...

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Abstract

The invention discloses a cooling device for precoated sand, and relates to the field of precoated sand production. The cooling device comprises a rack and a strip roller, the roller is horizontally and rotationally connected with the rack, and a reamer is arranged on an inner wall of the roller; a pair of support frames respectively located at the two ends of the roller are arranged on the rack,a support rod penetrating through the roller is horizontally arranged on the support frames, the support rod is hinged with a plurality of scrapers that abut against the inner wall of the roller, anda drive mechanism for controlling the scrapers to turn is arranged in the roller. Accorrding to the invention, the cooling device has the following advantages and effects: the automatic lifting of theprecoated sand is realized by setting the scrapers capable of turning back and forth, so that the precoated sand can be more dispersed and contact the inner wall of the roller in a large area, the quicking cooling and temperature reduction of the precoated sand can be realized, and the cooling efficiency of the precoated sand is improved.

Description

technical field [0001] The application relates to the field of coated sand production, in particular to a cooling device for coated sand. Background technique [0002] Coated sand is molding sand or core sand whose surface is covered with a layer of solid resin film before molding. During the production and processing of coated sand, the sand is usually preheated to a certain temperature by thermal method, then resin is added to melt it, stirred to coat the resin on the surface of the sand grains, and coated sand is obtained after cooling. [0003] Chinese patent CN208743613U discloses a coated sand cooling device, which includes a drum and a base. The inside of the drum is provided with helical teeth, the drum is covered with a protective cover, and the top of the protective cover is provided with a water distribution pipe. A water outlet is arranged under the cover. [0004] When the cooling device in the related art is working, cold water is used to spray the outer wall...

Claims

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Application Information

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IPC IPC(8): B22C5/08
CPCB22C5/08
Inventor 阮士友阮晓菡阮思诚
Owner 台州市三门中兴铸造材料有限公司
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