Drum-type cleaning machine for trimming of small and medium sized castings

Abstract

The invention relates to a drum-type cleaning machine for trimming of small and medium sized castings. The drum-type cleaning machine comprises a drum, a driving mechanism and cleaning mechanisms, thedriving mechanism is installed in the middle of the drum, the cleaning mechanisms are evenly arranged on the outer side of the driving mechanism in the circumferential direction and installed on theinner wall of the drum, feeding openings are evenly formed in the upper end of the drum in the circumferential direction, discharging openings are evenly formed in the lower end of the drum in the circumferential direction, installation openings and chip discharging openings are evenly formed in the side wall of the drum in the circumferential direction, and installation grooves and the chip discharging openings are formed in an alternate mode. According to the drum-type cleaning machine, the cleaning mechanisms are driven to trim the surface of each casting through the driving mechanism, friction is achieved among the castings and between each casting and the corresponding cleaning mechanism during cleaning, the waste materials such as sticky sand and flanging on the surface of each casting can be removed, the waste materials and the castings can drop into different positions after cleaning, each cleaning mechanism is of a sealed structure during working, and the dust and debris are effectively prevented from scattering around.

Description

technical field [0001] The invention relates to the field of casting equipment, in particular to a drum-type cleaning machine for trimming small and medium-sized castings. Background technique [0002] Casting cleaning is the process of taking the casting out of the mold, removing excess parts other than the body, and grinding and repairing the inner and outer surfaces of the casting. It mainly includes removing the core and core iron, removing gates, risers, tendons and fleshing, removing sticky sand and foreign objects on the surface of castings, shoveling and cutting protrusions such as ribs, seams and burrs, and grinding and finishing castings Work on the surface etc. [0003] Casting cleaning methods are divided into dry method and wet method. Dry cleaning is to use mechanical equipment to clean castings. Wet cleaning is to use water as a medium to clean the surface of castings. There are some problems in these two cleaning methods: [0004] (1) When mechanical cleani...

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Problems solved by technology

[0004] (1) When mechanical cleaning equipment (such as drum shot blasting machine) is working, the surface of the casting is trimmed by the mutual friction between the casting and the projectile, which will generate a lot of dust, and the waste that falls off after cleaning will be mixed with the casting, so It is necessary to use separation equipment to separate waste chips and castings after cleaning, which increases work steps and production costs;

[0005] (2) Although wet cleaning equipment (such as hydraulic sand cleaning equipment) does not have dust during cleaning, because water is used as the medium, the surface of the casting is prone to rust and dirt, and a large amount of sewage and cemented sand will be produced during the operation, which brings Issues such as sand and water regeneration and sludge treatment

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