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A method and equipment for compacting materials

A kind of equipment and molding technology, applied in the direction of material forming presses, casting molding equipment, metal processing equipment, etc., can solve problems such as failure

Inactive Publication Date: 2008-09-03
NORSK HYDRO ASA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Experiments with a hydraulic cylinder were carried out, but failed for the reasons mentioned above

Method used

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  • A method and equipment for compacting materials
  • A method and equipment for compacting materials
  • A method and equipment for compacting materials

Examples

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Embodiment Construction

[0023] Figure 2-5 is a simplified diagram of the vibrating device when vibrating, when the object m a compressed or compacted. Figure 6 yes Figure 4 An implementation diagram of a simplified graph. Figure 2-6 The following definitions will be used to explain:

[0024] definition:

[0025] U: Bottom plate.

[0026] m a : An object (mass) compressed by a vibrating device.

[0027] k 2 : object m a of the spring constant.

[0028] d 2 : object m a damping. Damping can be in the form of hysteresis, viscous damping, friction, etc. (only one symbol is used for damping in the diagram, although we can combine different forms of damping).

[0029] m 1 : the mass of the plumb bob, or in the object m a and have a spring constant k 3 The mass oscillates between objects. Vibration devices for plumb vibrations are included in this mass. In some installations, there is also a yoke included in the plumb mass, such as image 3 , 4 and 6. Such as Figure 6 As seen in ,...

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PUM

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Abstract

The present invention concerns a method and equipment for compacting a material. In particular, the present invention relates to the vibration of 'green mass' in a moulding process for the creation of mould bodies for the production of electrodes for the melting industry, in particular the alumini um electrolysis industry. The equipment comprises two mould parts (ml, mb) th at are mutually integrated with a spring force, which may consist of one or mor e springs (k3). At least one of the mould parts is equipped with means design ed to generate vibration. In one embodiment, the equipment consists of a lower table with mould walls and an upper plumb. In a preferred embodiment, vibration is applied via the plumb. During vibration, the plumb will move downwards towards the table as a consequence of the intermediate mass being compacted. The table may be supported by a base in which at least one spring (k1) and possibly a damper element (d1) are arranged between the table and t he base. The springs of the equipment may be designed in such a way that the plumb and the table are allowed to oscillate at one or more given frequencie s that produce maximum gain against the mass to be compacted. The damper eleme nt (d1) will have a stabilising and insulating function. The compaction may tak e place at a specific vacuum for the removal of gas.

Description

technical field [0001] The invention relates to methods and apparatus for compacting materials, more precisely the invention relates to the vibration of "wet material" during molding for the production of molded bodies for the production of electrodes in the melting industry, especially in the aluminum electrolysis industry use. Background technique [0002] Such electrodes, especially anodes, are produced by means of "wet materials" subjected to compaction in a vibrating device, which may consist of a molded box with a base and side walls mounted on a table, with the addition of a plumb weight, which Allow sliding down between the mold walls (side walls of the molded box). There are mainly two types of vibration equipment for molded anodes available in the market; equipment with plumb vibration and equipment with table vibration. The main difference between them is the location of the vibrating device that generates a dynamic vertical input force to the device. For equip...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B3/02B30B11/02B22C15/10
CPCB30B11/022B22C15/10
Inventor 达格·H·安德森拉尔斯·M·布约贝克
Owner NORSK HYDRO ASA
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