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.

Inactive Publication Date: 2013-01-09
兰佩&莫斯纳有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The consequences can be rejects, production stoppages and high cleaning costs for the entire plant (from the mixing unit to the mold making unit)

Method used

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  • Method and device by which moulding compound to be processed is kept moist during the production of moulds or cores

Examples

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Embodiment Construction

[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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Abstract

In order to produce moulds or cores for foundry purposes from a mixture (M) of moulding compound or sand and at least one binder, the mixture is mixed (M) by means of a mixing device (20) and is fed with the aid of a feeding system (30) to at least one sand storage unit (40) of a core or mould production device (50), wherein the mixture-free region (21) of the mixing device (20), at least at times, and / or the feeding system (30) located between the mixing device (20) and the core or mould production device (50), and / or the sand storage unit (40) downstream of the feeding system (30) and upstream of the core or mould production device (50), is moistened or kept moist by means of a liquid (71), wherein the liquid (71) used for moistening is atomised by at least one ultrasonic atomiser (60) to form a suspended aerosol and is fed to the mixing device (20) and / or the feeding system (30); and / or the sand storage unit (40) via pipes (81, 82, 83).

Description

technical field [0001] The invention relates to a method for producing molds or cores, in particular for casting purposes, wherein mold material or molding sand and at least one at least predominantly inorganic, water-soluble and / or hygroscopic The binder is mixed by means of a mixing device, and the mixture is conveyed by means of a conveying device to at least one molding sand storage unit of a core or mold manufacturing device. [0002] Furthermore, the present invention relates to an apparatus for producing molds or cores, in particular for casting purposes, with a mixture of mold material or molding sand and at least predominantly inorganic, water-soluble and / or or hygroscopic binder mixing device with a conveying device for conveying the mixture to a sand storage unit of a core or mold making device. Background technique [0003] Such methods and comparable devices are known and proven from practice. [0004] However, it can happen that the moisture originally contai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C19/00B22C23/00
CPCB22C23/00B22C19/00B22C5/04B22C15/24
Inventor R·温特根斯M·法勒
Owner 兰佩&莫斯纳有限公司
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