Method and device by which moulding compound to be processed is kept moist during the production of moulds or cores
A technology for manufacturing molds and cores, which is used in the field of mold materials and equipment for moisturizing to be processed when manufacturing molds or cores, can solve problems such as production stoppage, waste products, and high cleaning costs, and achieve the effect of avoiding drying.
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[0022] An apparatus for the manufacture of molds or cores, generally designated 1 , is used in this embodiment for the manufacture of cores for casting purposes, the apparatus having: a mixing device 20 with mixing means 22 for mixing the mold material Or molding sand and a binder to make mixture M; a conveying device 30 for conveying the mixture M to a molding sand storage unit 40 with a locking device 42 and a core or mold making device 50.
[0023] A humidifying device 2 is used to humidify the air in the device 1 , with two ultrasonic nebulizers 60 for water or for a liquid 71 , in particular containing water, and with a liquid container 70 . The liquid 71 can be atomized into fine aerosols by means of these ultrasonic nebulizers 60 . The aerosol is represented in the figure by two cloud bacteria 61 in the interior of the liquid container 70 .
[0024] However, a not-shown embodiment of the device can also provide that three ultrasonic nebulizers 60 are provided, one of w...
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