JPS6078648A - Ore milling machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a polishing machine for friction cleaning various granular solid materials, specifically sand and gravel for aggregates, catalysts for chemical reactions, plating materials, etc. This invention relates to a device for friction cleaning large granular materials.

Generally, as aggregate sand for civil engineering and construction, impurities such as organic matter on the sand surface are removed and washed. Good cleaning performance is required.

In addition, since the desired effect cannot be obtained unless the surface of the reaction catalyst is clean, it is necessary to use one that has been thoroughly washed. Furthermore, inorganic chemical industrial raw materials such as plating materials or organic chemical raw materials are subjected to treatments such as cleaning, surface polishing, and surface peeling prior to their processing steps.

Among these granular materials, for example, sand for aggregate,
A sand washer has been proposed in which a pressurized water injection nozzle is installed in a rotary classifier, and pressurized water is sprayed or sprayed onto the sand after one classification for rinsing. Substances that are easily attached to the sand can be removed, but there is a problem in that it is almost impossible to remove substances that are firmly attached to the sand. Such impurities must be removed by rubbing the sand interface with a hard material.

In addition, when cleaning plating materials, for example, they are washed batchwise by putting them into a cleaning tank on the stirring side netsuke, but there are drawbacks such as the cleaning effect being insufficient considering the large amount of power consumed for stirring. there were.

The object of the present invention is to eliminate the drawbacks of these conventional methods and to provide a grinding machine that can produce granular material with extremely good cleanliness with a simple configuration.

The present invention provides a rotary body capable of relative movement with respect to a central axis within a vertical container having a supply section for ground ore material in the upper part and a discharge part for the ground ore material in the lower part. The grinding machine is characterized in that it is arranged so as to be able to rotate while maintaining an appropriate gap between it and the inner surface of the container.

Next, an embodiment of the present invention aimed at cleaning earth and sand will be described based on FIG. 1. The upper part is cylindrical, the lower part is inverted conical, and the bottom is completely open.

A hollow rotating body 2 having an inverted conical shape (a cylindrical shape is also effective) is disposed in a bottomless vertical container 1.

This rotary body 2 has a metal plate coated with an elastic material such as a rubber plate to make its outer surface rough, thereby increasing the polishing effect by reducing slip with the ore material to be polished. Another feature is to form irregularities on the outer surface,
It may be coated with a material having a large coefficient of friction. The rotary body 2 is movable relative to a central shaft 6 disposed through it, and is movable around the center line 4 of the container 1 while maintaining an appropriate gap between its outer surface and the inner surface of the container 1. It is arranged so that it precesses, that is, the central axis 6 describes an inverted cone.

A circular plate-like body 5 forming the bottom plate of the container 1 is integrally formed at the bottom of the rotating body 2, and when the rotating body 2 precesses, the wall of the container 11iE portion and the plate-like body 5 are integrated. It is mounted in such a way that a discharge opening 5' for the ground sludge material is partially formed by the gap.

The upper part of the central shaft 3 is supported by a rotating member 6 and bearings 7 and 8 provided on the rotating body 2, and the lower part is supported by a rotating member 6 and bearings 7 and 8 provided on the rotating body 2.
It is supported by a bearing 9 provided on the body 2 and a spherical bearing 1o fixedly disposed below the rotating body 2.

The rotating member 6 includes a rotating shaft 11 provided in the vertical direction, a pulley 12 fitted to the rotating shaft 11, a bearing 16, and the rotating shaft 1.
When the pulley 12 is rotated by a motor (not shown), the bearing 7 swings and the body 2 makes a rotational movement, that is, a precession movement. It is configured to be ℃.

In FIG. 1, reference numeral 21 denotes an earth and sand supply section, and 22 represents a washing water supply section, which are provided in close proximity to each other, and arranged so that the earth and sand and washing water are supplied into the container 1 in a combined state. There is. Reference numeral 23 denotes an overflow discharge port for washing wastewater, which is provided at a position facing the earth and sand supply section. 24 is a cleaning sand discharge member, which has a conical shape.

Therefore, the effect of this embodiment can be obtained by supplying a sufficient amount of soil a to the gaps in FIGS. The rotary body 2 is caused to precess, and the earth and sand a and the washing water basin are continuously supplied.

In this way, the rotating body 2 moves as shown by the two-dot chain line in FIG. 2, but the single rotating body 2 rolls against the earth and sand layer due to the frictional force between its outer surface and the earth and sand a.

In this case, the sediment gradually moves downward into the container 1 due to its sedimentation, but as is clear from FIG.
is eccentric with respect to the container 1, so the gap between the outer surface of the rotating body 2 and the inner surface of the container gradually decreases along the direction of movement of the rotating body 2, so that a squeezing force is applied to the earth and sand layer intermittently, and as a result, the earth and sand are separated from each other. By being rubbed and crushed, substances to be peeled off that adhere to the periphery of the particles are peeled off, angular particles are rounded, and brittle granules are ground, allowing for proper crushing or grinding. .

As the rotary body rotates 20 times, the opening position of the discharge port 5' formed in the gap between the bottom wall of the container 1 and the plate-shaped body 5 rotates as the rotary body rotates 20 times. The parts and the cleaning sand d are smoothly and evenly discharged in all directions from the bottom of the container 1, and the portion of the cleaning wastewater C that cannot be completely discharged from the bottom is discharged from the overflow discharge port 26.

In this embodiment, the rotary body 2 is arranged so that the apex of the inverted cone drawn by its central axis 6 is on the center line 4 of the container 1, so that cleaning sand with a more uniform cleaning degree is stabilized. However, if desired, the soil a may be evenly supplied from around the container 1.

Furthermore, in this embodiment, the angle of inclination of the slope of the rotating body 2 with respect to the horizontal plane is such that the gap between the inner surface of the container 1 and the outer surface of the rotating body 2 gradually decreases as it goes downward in a cross-sectional view of the container 1 taken along an arbitrary vertical plane. Since it is set, sediment a
This eliminates the possibility of a short bath occurring at the discharge port 5', which has the effect of improving the degree of cleaning of the cleaning sand.

Note that the center shaft 6 and the rotating shaft 11 may not be configured separately as shown in the drawings, but may be configured as a single rotating shaft, which has the advantage of simplifying the structure. Also, the discharge port 5'
Move the container 1 in at least one direction, either vertically or horizontally, so that the opening width can be adjusted according to the size of the material to be processed. 1I71 Fixedly arranged on an adjustable pedestal, configured so that the inclination angle θ of the rotating body 2 with respect to the center line 4 of the container 1 can be adjusted, or at least one of the outer surface of the rotating body 2 and the inner curve of the container 1. It is also effective to increase the polishing effect by filling the container with PPl ore media having a hardness greater than or equal to the hardness of the earth and sand.It is also effective to increase the polishing effect by filling the container 1 with a media for PPl ore having a hardness greater than or equal to the hardness of the earth and sand. In addition to opening the outlet, a member for adjusting the opening area of the outlet may be provided.

Furthermore, when crushing earth and sand, it may be treated by mixing media as described above (mixing 30 to 70 volumes), or it may be mixed with a liquid to give fluidity as in the example to make it slurry. It is also possible to process only the object to be processed (including a dry process, in which case the wash water supply section 22 and overflow discharge port 23 can be omitted). As the liquid, water, washing water, viscous liquid, and other liquids containing abrasives or meteas can be used. It is also possible to recycle the washed and separated media and liquid.

In the embodiment described above, the rotating body 2 performs a precession movement (a movement in which the top rotates while shaking its head), but the present invention is not limited to this.

It is also possible to use a device that rotates in a manner similar to that described above, and a similarly excellent polishing effect can be obtained.

In this case, when the lower part of the container is shaped like an inverted cone, it is preferable that the rotary body is shaped like an (erect) cone or cylinder, and when the container is shaped like a cylinder, the rotating body is preferably shaped like a cone.

In the above explanations, the rotary body has an upright or inverted conical shape or a cylindrical shape, but various shapes such as a pyramidal shape, a prismatic tube shape, a beer barrel shape, a hemispherical shape, etc. are possible.

However, it is not particularly limited by shape, size, specific gravity, or whether it is organic or inorganic.
It is effective on items with fine irregularities, items that cannot be cleaned sufficiently with normal washing with water or solvents, and items with a particle size as small as sand. Items with a specific gravity larger than water are suitable, but Even if it has a floating property (low density),
This can be cleaned effectively by dry processing and then cleaning with liquid.

As described above, according to the present invention, various granular materials can be efficiently rubbed or crushed for cleaning with a simple configuration in an energy-saving manner, and maintenance is also simple.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a plan view illustrating its operation. 1... Container, 2... Rotating body, 6... Central axis, 4
...Center line, 5...Plate-shaped body, 5'...Discharge port, 6
...Rotating member. 7.8, 9.16... Bearing, 10... Spherical bearing, 1
DESCRIPTION OF SYMBOLS 1... Rotating shaft, 12... Pulley, 21... Sediment supply part, 22... Washing water supply part, 26... Overflow discharge port, 24... Discharge member, θ... Inclination angle. Patent applicant: Terumi Hase Patent attorney: Tadashi Takagi Sen Yukuma 1) Maru Shiima Takao Yama

Claims (1)

[Scope of Claims] t. A rotating body capable of relative movement with respect to a central axis is placed in a vertical container having a supply section for ground ore material in the upper part and a discharge part for the ground ore material in the lower part, A grinding machine characterized in that it is arranged so as to be able to rotate with an appropriate gap maintained between its outer surface and the inner surface of the container. 2. The grinding machine according to claim 1, wherein the rotating body precesses around the center line of the container. 6. The grinding machine according to claim 2, wherein the container has a lower portion formed in the shape of an inverted cone, and the rotating body has the shape of an inverted cone or a cylinder. 4. The grinding machine according to claim 3, wherein the rotating body is arranged such that the apex of the inverted cone drawn by its central axis is on the center line of the container when the rotating body rotates. . 5. The rotating body has an inverted conical shape, and is arranged at an inclined angle such that the gap between the outer surface of the rotating body and the inner surface of the container gradually decreases downwardly of the container. 6. The grinding machine according to claim 4, wherein the rotary body is integrally provided with a plate-shaped body forming a bottom plate of the container in a lower part thereof. The ground ore according to any one of claims 2 to 5, wherein a gap between the bottom tank of the container and the plate-like body forms a discharge section for the ground ore material. The grinding machine according to claim 6, wherein the container is fixedly arranged on a pedestal that can move and adjust the container in at least one of vertical or horizontal directions. Claim 1, wherein the rotating body rotates with its central axis eccentric to the center line of the container, and the rotating body rotates so that the central axis describes a cylindrical body. 2. The grinding machine according to claim 8, wherein the container has a lower part formed in an inverted conical shape, and the rotating body has a conical or cylindrical shape. 1a. The grinding machine according to claim 8, wherein the container is formed in a cylindrical shape, and the rotating body is formed in a conical shape. 11. The grinding machine according to claim 8, wherein the rotating body has an outer surface 12. The grinding machine according to any one of claims 1 to 10, which is constructed with a rough surface. 12. The grinding machine according to claim 1, wherein the rotary body has an outer surface made of an elastic material. The ore polishing machine according to scope 11. 16. The container is provided with a supply part for the material to be ground and a supply part for the cleaning liquid at positions close to each other in an upper part of the container, and a supply part for the ore material to be polished and a supply part for the cleaning liquid at a position opposite to both supply parts. A grinding machine according to any one of claims 1S-12, which is provided with an overflow discharge section for cleaning waste liquid.