KR100793169B1 - A cylinder for improvement and sand production of construction wastes shaped screw drum bell - Google Patents

Abstract

A cylindrical screw drum bell for improving the particle size of construction wastes, removing mortar, and producing sand is provided to remove mortar by bumping the construction waste against a hitting projection unit with passing along the inner peripheral part of a body unit and to increase the mixing and crushing efficiency by spirally combining a guide with the inner peripheral part of the body unit between the hitting projection units. In a cylindrical screw drum bell(100) for treating construction wastes, a fixing ring(120) joined with a rotary shaft(121) is combined at one side of the screw drum bell and a support ring(130) is combined on the other side. A reinforcing ring(140) is joined between the fixing ring and the support ring. Plural perforated holes(160) penetrating through the inner and outer sides are integrally formed at a body unit(150) of the screw drum bell. A hitting projection unit(170) is combined between the perforated holes. A guide(180) is joined in a spiral form at the inner peripheral part of the body unit.

Description

A cylinder for improvement and sand production of construction wastes shaped screw drum bell}

1 is a perspective view of a drum bell according to the prior art.

Figure 2 is a perspective view of a screw drum bell according to the present invention.

Figure 3 is an exploded perspective view of a screw drum bell according to the present invention.

Figure 4 is a longitudinal sectional view of a screw drum bell according to the present invention.

<Brief description of symbols for the main parts of the drawings>

100: screw drum bell 120: retaining ring

121: rotating shaft 130: support ring

140: reinforcing ring 150: body

160: Perforation 170: Strike Projection

180: Guide

The present invention relates to a cylindrical screw drum bell for particle size improvement mortar removal and sand production of construction waste, in particular formed between perforations while passing the construction waste crushed along the inner periphery of the body portion having a cylindrical shape perforated By colliding with the striking protrusion, it is finely crushed to remove mortar and improve the particle size, and also to re-mix and combine the guide with the other striking protrusion coupled to the inner periphery of the body between the striking protrusion. The higher the crushing rate, the more quality sand is obtained.

In general, construction wastes generated in the course of redevelopment or road repair are crushed to a suitable size using a crusher, and various foreign matters contained in the crushed crushed matter are collected through the drum bell, which is a foreign matter sorting device. To be separated.

As shown in Figure 1, the drum bell 200 is composed of a body 210 having a cylindrical shape that is supported by both sides by a support roller installed in the frame not shown in the front of the body 210 A perforation 211 is formed, and support rings 212 and 213 are coupled to both ends of the outer periphery of the body 210, and a connecting rod 214 having a cross shape to one support ring 212. The fixed ring 216 having the rotating shaft 215 supported by the is configured to be coupled.

The body 210 is configured to be connected to the welded joint portion of the round iron plate having a flat plate shape formed with a perforation 211.

The rotating shaft 215 is configured to be coupled to the driven sprocket wheel (not shown) to be connected to the drive sprocket wheel coupled to the drive motor in a chain.

The drum bell 200 having this configuration has a connecting rod 214 and a support coupled to the rotating shaft 215 as the rotating force of the driving motor rotates the rotating shaft 215 through the driving sprocket wheel, the chain and the driven sprocket wheel. As the ring 212 is rotated, the body 210 is rotated together.

In addition, while the body 210 is rotated, the construction waste crushed through the input conveyor belt (not shown) is introduced into the body and the construction waste introduced into the body 210 is mixed with the body ( Due to the inclination angle of the 210 is transferred in the opposite direction.

At this time, a small aggregate (sand) contained in the construction waste crushed through a plurality of perforations 211 formed in the body 210 is dropped to the bottom to be loaded on the discharge conveyor belt (not shown) to obtain pure sand sorted with foreign matter. It becomes possible.

However, the drum bell simply rolls the perforated iron plate into a cylindrical shape so that the inner circumferential edge is formed flat so that the crushed construction wastes injected into the inside are mixed and are not finely crushed in the process of being transported. According to the size of the perforations formed on the body, only the small particle size (sand) contained in the pulverized product is separated and the mortar adhered to the surface cannot be removed and there is a problem in that sand products having an improved shape cannot be obtained. .

In addition, there was another problem in that the productivity of the crushed construction waste was reduced by reducing the amount of sand exiting the perforations as only the friction or wear occurred but the impact force required for crushing was not generated. .

The present invention has been created to solve such a problem, and is more finely crushed by hitting the striking protrusion formed between the perforations while passing the construction waste crushed along the inner periphery of the body portion having a cylindrical perforated form As a result, the mortar is removed and the particle size is improved, and the guide combined with the other striking protrusion is spirally coupled to the inner periphery of the body between the striking protrusions, thereby increasing the mixing and crushing rate to obtain more high quality sand. The purpose of the present invention is to provide a cylindrical screw drum bell for mortar removal and sand production which can improve the size of construction waste.

In order to achieve the above object, the present invention provides a cylindrical screw drum bell (100) for construction waste treatment, wherein one side of the screw drum bell (100) has a fixed ring (120) coupled with a rotating shaft (121). The other side of the support ring 130 is coupled and the reinforcing ring 140 is coupled between the fixing ring 120 and the support ring 130, the body portion 150 of the screw drum bell 100 A plurality of perforations 160 penetrating the inside and the outside are integrally formed, and the striking protrusion 170 is coupled between the perforations 160 and the guide 180 at the inner periphery of the body 150. ) Is combined in a spiral shape.

And the striking protrusion 170 is a screw rod 172 is integrally formed on the striking head 171, the fixing nut 173 is coupled to the screw rod 172, the striking head 141 is It is characterized in that the tip is pointed.

Hereinafter, the cylindrical screw drum bell 100 for particle size improvement mortar removal and sand production of the construction waste according to the present invention, as shown in Figures 2 to 4, a plurality of perforations 160 penetrating inside and outside One side of the body portion 150 is formed integrally is a fixed ring 120 is coupled to the rotating shaft 121 is coupled by a bolt or welded joint, etc., of the body portion 150 is coupled to the fixed ring 120 The support ring 130 is coupled to the other side by a bolt or welded joint, and the reinforcement ring 140 prevents the middle portion of the body portion 150 from being deformed between the fixing ring 120 and the support ring 130. ) Is configured to be combined.

In addition, between the perforations (160) formed in the body portion 150 by applying a predetermined impact to the crushed construction waste passing through the inside is finely crushed to improve the shape and at the same time the mortar attached to the surface is removed It is configured to be coupled to a plurality of hitting protrusions 170 having a function to make.

The striking protrusion 170 is formed of high manganese resistant to abrasion and impact, and a screw rod 172 having a predetermined length is integrally formed in the striking head 171, and a perforation formed in the body portion 150 ( The screw rod 172 is inserted into the through groove 151 formed separately between the 160, and the fixing nut 173 is coupled to the screw rod 172 exposed by the through groove 151 so that the body portion 150 is formed. Strike protrusion 170 is configured to be fixed to.

The striking head 171 is configured to increase the crushing efficiency by the pointed end is formed, the shape of the striking head 171 can be used to have a hemispherical, cylindrical and other various forms.

On the other hand, the guide 180 is coupled to the inner periphery of the body portion 150 in a helical shape in the process of being further mixed and mixed with the crushed construction waste that is conveyed along the inner edge of the body portion 150 It is configured to increase the crushing rate by giving extra impact force.

To this end, the guide 180 is formed with a plurality of fixing grooves 181 having a predetermined interval or irregular intervals on the front, and is coupled between the perforations 160 of the body portion 150 to the fixing groove 181 The other hitting protrusions 170 having the same shape or structure as the hitting protrusions 170 are configured to be coupled.

More preferably, the striking head 171 of each striking protrusion 170 coupled to the fixing groove 181 of the guide 180 has a zigzag shape to protrude convexly in both directions. In the drawings, reference numeral 300 denotes a drive motor, 310 denotes a driving sprocket wheel, 320 denotes a driven sprocket wheel, and 330 denotes a chain.

The process of obtaining sand from the construction waste crushed using the screw drum bell having such a configuration is as follows.

First, the rotary shaft 121 is coupled to the driven sprocket wheel 320 as the rotational force is transmitted to the driving sprocket wheel 310, the chain 330, and the driven sprocket wheel 320 due to the rotation of the driving motor 300. This will be rotated at a constant speed.

Next, the rotating shaft 121 is rotated by the driving motor 300 so that the fixed ring 120 connected to the rotating shaft 121 and the body 150 coupled to the fixed ring 120 are rotated.

Next, the aggregate (sand) having a size smaller than the diameter or cross-sectional area of the perforations 160 formed in the body portion 150 is mixed with the construction waste crushed through the inlet conveyor belt (not shown). It is separated by falling down through the perforations 160, the pulverized material in the interior of the body portion 150 is coupled between the perforations 160 in the process of being transported along the inner periphery of the body portion 150 By hitting or colliding by a plurality of hitting protrusions 170, the crushed construction waste is shredded more finely, the shape is improved.

At this time, the sand having a small particle size to be crushed is discharged to the bottom through the perforations 160 formed in the body portion 150 as described above, and as the above-described process is repeated, the crushed construction waste initially introduced therein is Again in the crushed sand increases the productivity of the sand.

On the other hand, the crushed construction waste that is transported while being crushed by the striking protrusion 170 coupled to the inner peripheral portion of the body portion 150 guide 180 coupled to the inner peripheral portion of the body portion 150 As the transportation is stopped for a while and is crushed again by the process of being crushed again by a plurality of other striking protrusions 170 coupled to the guide 180, the productivity of the sand is further increased. The large amount of crushed construction waste being transported along the body 150 is mixed to be turned upside down by the guide 180 so that the sand that has not escaped through the perforation 160 can escape again. .

As described above, the present invention strikes the construction crushed construction waste once again by hitting the striking protrusion formed between the perforations while the construction waste crushed along the inner periphery of the body portion having the cylindrical shape with the perforation is passed. As the mortar on the surface is removed, it is possible to obtain high quality sand with improved particle size.

In addition, a guide combined with the other hitting protrusions in the circumferential portion of the body between the hitting protrusions is coupled in a spiral form to increase the mixing and crushing rate to obtain a larger amount of sand.

Claims (2)

In the cylindrical screw drum bell 100 for construction waste treatment, One side of the screw drum bell 100 is coupled to the fixed ring 120 is coupled to the rotary shaft 121 and the other side is coupled to the support ring 130 and between the fixing ring 120 and the support ring 130 The reinforcing ring 140 is coupled to the body portion 150 of the screw drum bell 100 is formed integrally with a plurality of perforations 160 penetrating inside and outside, the perforations 160 The blow protrusion 170 is coupled between, and the guide 180 is coupled to the inner periphery of the body portion 150 in a spiral shape of the particle size improvement mortar removal and sand production of the construction waste, characterized in that the spiral Screw drumbell. The method of claim 1, The striking protrusion 170 is a screw rod 172 is integrally formed on the striking head 171, the fixing nut 173 is coupled to the screw rod 172, the striking head 141 is the end Cylindrical screw drum bell for improving the size of mortar and sand production of construction waste, characterized in that the sharply formed.

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