Fully automatic sand box crusher

Abstract

The invention relates to a full-automatic sand box crushing machine.The full-automatic sand box crushing machine comprises a support and a crushing box.The crushing box is fixedly installed on the support.A feeding funnel is connected to the top end of the crushing box.A plurality of rows of smashing rollers are rotationally installed on the upper side in the crushing box.The rollers in each row are sequentially arranged from top to bottom.The distance between every two smashing rollers in each row sequentially reduces from top to bottom.Every two smashing rollers in each row rotate oppositely.A first crushing roller and a second crushing roller are arranged in the middle in the crushing box side by side, and the distance between the first crushing roller and the second crushing roller is adjustable.A material distributing board is fixedly installed on the lower side in the crushing box.Two oblique screening nets are fixedly installed below the two sides of the material distributing board in the crushing box and are arranged in a V shape.A first discharge port is formed in the bottom of the crushing box and located between the two screening nets.Second discharging ports are formed below the two screening nets.A sand box conveying mechanism is connected with the feeding funnel.By means of the full-automatic sand box crushing machine, crushing is uniform, and the crushing efficiency and quality are high.

Description

technical field [0001] The invention relates to the technical field of sand casting, in particular to a fully automatic sand box crusher. Background technique [0002] The basic raw materials for making sand molds are foundry sand and sand binder. The most commonly used foundry sand is siliceous sand. When the high-temperature performance of silica sand cannot meet the requirements of use, special sand such as zircon sand, chromite sand, and corundum sand are used. In order to make the sand molds and cores have a certain strength and not be deformed or damaged when handling, fitting and pouring liquid metal, it is generally necessary to add molding sand binders in the casting to bond loose sand particles together to form molding sand. The molding sand is also called the sand box, and the casting process can be carried out after the molding sand is made. [0003] In traditional foundry processing, in order to prevent waste of resources, the used sand box needs to be broken...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in order to overcome the crushing of sand boxes in the prior art, which is mostly performed manually by staff, the efficiency of sand box crushing is low, the uniformity of crushing is poor, and the uneven crushing of sand and gravel is remanufactured. After the sand box is formed, the quality of the sand box is poor, which affects the quality of the casting. A fully automatic sand box crusher is provided.

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