JP2590180Y2 - Dust remover - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a dust remover.

[0002]

2. Description of the Related Art For example, in a sand basin, a dust remover for collecting and removing a flowing residue is installed. For this purpose, a conveyer type that circulates is generally used.

[0003]

The conveyor-type dust remover can scoop up the residue, but does not have a compression function. Therefore, it is necessary to add a compression device before discharging. This leads to structural complexity and is disadvantageous for the user. There is also a screw shaft type with such a compression function. However, the conventional screw-shaft type has a compression function, but it has the disadvantage of overloading, raising power consumption, and increasing durability and other troubles such as abrasion because the residue is lifted with the large size. There is.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in order to solve such problems, and the invention according to claim 1 has a screw shaft having an inclined or vertical shaft shape, and the screw shaft is rotatable. A casing having an opening at the lower front portion serving as an inlet for residue and water and a drain port at the rear side and an opening at the upper end, and a drive source for rotating and driving the screw shaft. In a dust remover, a rotary cutter is provided on an outer periphery of the screw shaft, and a fixed cutter is provided on an inner periphery of the casing. In the invention according to claim 2, the rotary cutter also serves as a scraper of the drain port. According to the third aspect of the present invention, a twin cutter is provided at a position before the attraction port so as to bite the residue and guide the residue toward the attraction port.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the illustrated embodiments. 1 and 2 show a first embodiment of the present invention. In this embodiment, 1 is a sand basin, 2
Denotes a flowing water surface, and 3 denotes an upper road surface. The dust remover is installed in the sand basin 1. This dust remover includes a screw shaft 5 and a casing 6.

The screw shaft 5 comprises a shaft portion 7 and a screw 8
The shaft portion 7 includes a lower large diameter portion and an upper small diameter portion. The screw 8 also has a large diameter part at the lower part and a small diameter part at the upper part.

The screw 8 has a different configuration in the lower, middle and upper sections. The lower section has a larger diameter than the middle section, and the upper section has a smaller pitch but a smaller pitch than the middle section. Part.

[0008] Reference numeral 10 denotes a port for inducing residue and water. The port 10 is opened at a lower front portion of the casing 6. As shown in FIG. 2, the attraction port 10 opens about 90 °,
It flows on the water surface 2 and attracts the residue and water to the screw 8. A drain port 11 which is long in the circumferential direction is
Are opened in parallel at the top and bottom.

The screw shaft 5 is rotated in the direction of the arrow by a drive source 12 fixed to the upper end of the casing, whereby the rotary cutters 13 attached to the lower outer periphery of the screw 8 also rotate. Fixed cutters 14 are provided on the inner periphery of the casing 6 corresponding to the rotary cutters 13.

In addition to the cutting function of the rotary cutters 13, the rotary cutters 13 also have a function of passing through the drainage ports 11 to be clogged therein and scraping the residue. For this reason, as shown in FIG. 2, the drain port 11 is arranged so as to be on the rotation trajectory of the rotary cutter 13.

On the front side of the casing 6, a control plate 15 having a semi-cylindrical shape is provided. This control plate 15 is connected to the entrance 1
The casing 6 is vertically movable so that the casing 6 always comes to the water surface 2.
It is provided in. That is, the control plate 15 is provided with rollers 17 at both ends, and these rollers 17 can be moved up and down along a guide rail 18 fixed to the outer periphery of the casing 6. The float 19 is configured to follow the water surface 2.

When the water surface 2 goes up and down and the water level fluctuates, the float 19 goes up and down, whereby the control plate 15 goes up and down,
The inlet 16 will always be at the water surface 2. The control plate 15 may be operated by the manual means 20 in some cases.

[0013] The residue and water enter the casing 6 through the inlet port 10, in which the rotary cutters 13 ...
And fixed cutters 14... The water is discharged backward through the drain 11. The cut residue is lifted upward by the screw 8, compressed by the upper compression unit, and put into the storage container 22 through the outlet 21.

Reference numeral 23 denotes a gantry, reference numeral 24 denotes a fulcrum, and reference numeral 25 denotes an angle changing means which is a turnbuckle.

FIG. 3 shows a second embodiment. In this embodiment, the lower half of the screw shaft 5 has a large diameter portion, and the upper portion thereof is a residue cutting portion. That is, in the above-described embodiment, the cutting is performed at the lower end of the screw shaft 5, but in this embodiment, the rotary cutters 13 and the fixed cutters 14 are provided slightly above the screw shaft 5,
It is configured to cut the residue that is being lifted after being drained.

FIGS. 4 and 5 show a third embodiment. In this embodiment, the residue cutting function is performed at a stage before the induction port 10, and the screw shaft 5 exclusively performs the lifting and compressing functions. That is, an auxiliary casing 27 is provided in the front part of the casing 6 so as to expand forward, and a twin cutter 28 is provided therein. The twin cutter 28 rotates on two shafts parallel to the screw shaft 5, and the residue is cut by the rotating blades 29. The twin cutter 28
Are linked via the gear 30 from the lower end of the screw shaft 5.

In the third embodiment, in addition to the twin cutter 28, a rotary cutter and a fixed cutter may be combined between the screw shaft 5 and the casing 6.

FIG. 6 shows a fourth embodiment. In this embodiment, an auxiliary casing 33 extending toward the upper front part of the casing 6 is provided, and a twin cutter 34 is provided in the casing 33. A cylindrical elevating cylinder 35 is provided on the outer periphery of the upper end of the auxiliary casing 33 so that it can move up and down. A notch-shaped groove 36 is provided on the outer periphery of the elevating cylinder 35, and a float 37 is attached to the outer periphery of the elevating cylinder 35 so that the groove 36 is always below the water surface 2.

The residue and water from the grooves 36 are cut by the twin cutter 34 and then guided into the casing 6,
It is lifted by the screw shaft 5, compressed and discharged from the discharge port 21. Water is removed from the drain 11.

FIG. 7 shows an additional example. In this example, reference numeral 40 denotes a drive source, which makes a vertical screw shaft 41 rotatable in a casing 42. Casing 4
An elevating cylinder 45 capable of following the water surface 44 with a float 43 is provided at the upper end of the lift 2, and the residue that has entered the elevating cylinder 45 is rotated by rotation provided on the outer periphery of the screw shaft 41 and the inner periphery of the casing 42. Cutter 46 and fixed cutter 4
While being cut by 7, it is brought down with water.

A pump 48 is attached to the casing 42, and is pumped upward through a pipe 49 by the pump 48. Above, a push plate 51 with a spring 50 is provided, so that the residue is compressed, water is removed through the drain port 52, and only the dewatered residue is discharged from the discharge port 53. Has become. In addition,
The casing 42 is fixed.

[0022]

[Effect of the invention] This invention is as described above.
Not only does it have a compression function, but it also cuts the residue finely beforehand and then lifts it up, so that the residue is finely lifted and no load is applied, resulting in very low power consumption. In addition, there is an advantage that troubles such as wear and the like are reduced in durability.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an apparatus showing a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a side sectional view of an apparatus showing a second embodiment.

FIG. 4 is a side sectional view of an apparatus showing a third embodiment.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

FIG. 6 is a side sectional view of an apparatus showing a fourth embodiment.

FIG. 7 is a side sectional view of an apparatus showing an additional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sand basin 2 Water surface 5 Screw shaft 6 Casing 10 Induction port 11 Drain port 12 Drive source 13 Rotary cutter 14 Fixed cutter 21 Discharge port 28,34 Twin cutter

Claims (3)

(57) [Scope of request for utility model registration] 1. A screw shaft having an inclined or vertical shaft shape, a screw shaft rotatably accommodated therein, an opening at a lower front portion serving as an inlet for sediment and water, and a rear portion serving as a drain port. And a dust remover including a casing having a discharge port opened at an upper portion, and a drive source that rotationally drives the screw shaft, wherein a rotary cutter is provided on an outer periphery of the screw shaft, while an inner periphery of the casing is provided. Is a dust remover provided with a fixed cutter. 2. The dust remover according to claim 1, wherein the rotary cutter also serves as a scraper for the water outlet. 3. The dust remover according to claim 1, wherein a twin cutter is provided at a position before the attraction port so as to bite the residue and guide the residue toward the attraction port.