JP3090555B2 - Quantitative feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a powdery material quantitative feeder which realizes high-precision quantitative supply of not only powders having good fluidity but also powders having poor fluidity. The present invention relates to a discharge device that can be used in all fields that handle powders such as the food industry.

[0002]

2. Description of the Related Art In a conventional continuous-measuring-type fixed-quantity feeder, in the case of powder having poor fluidity, the continuous-measuring material cannot be filled and cannot be used. In addition, even powders that could be filled somehow could not be evenly cut because the fixed blade was used for cutting, and the supply accuracy was poor. In addition, such a type of feeder has a complicated structure, and cleaning is not easily performed, which is a drawback.

[0003]

SUMMARY OF THE INVENTION According to the present invention, even a powdery or granular material having poor fluidity can be accommodated in a continuous cell, and a smooth and continuous uniform cutting can be performed to obtain a fixed-quantity feeder with good supply accuracy. It is an object of the present invention to provide a continuous quantitative feeder having a simple structure and easy cleaning of a continuous measuring section.

[0004]

In order to achieve the above object, the present invention is formed by inner and outer cylinders sharing a center line,
A center rotation provided on an upright rotating shaft protruding from the center of the bottom plate, with a gap between the bottom plate of the outer tube and the lower end of the inner tube, and a ring-shaped transfer space for the granular material provided between the inner and outer tubes. An outer peripheral rotating ring provided along the inner periphery of the outer cylinder is connected to the tip of the blade, and a plurality of outer peripheral rotating blades facing the inside are provided on the ring. In the discharging mechanism, a rotating disk having an upper surface in the same plane as the upper surface of the bottom plate is provided, and a powder discharge groove concentric with the disk is formed on the upper surface of the disk, and the grooves are formed inside and outside the outer cylinder. The fixed-quantity feeder according to the invention, in which a powdery material discharge scraper is inserted into the groove outside the outer cylinder, and a cutting edge is formed on the inner peripheral edge of the outer peripheral rotating ring, and the annular transfer is performed. In the space, the cutting edge of the powdery material is cut by the cutting edge. The first, second, or third baffle plate provided on the inner surface of the inner cylinder of the quantitative feeder according to the first or second aspect of the invention, the baffle plate avoiding pressure of the granular material to the granular material discharge groove. The quantitative feeder according to the first, second, third or fourth invention, wherein the outer end sides of the central rotating blade and the outer peripheral rotating blade intersect with the diametric direction in the rotational direction. It is constituted by the fixed-quantity feeder according to the first, second, third, fourth or fifth invention, wherein the rotating disk and its supporting device are detachably supported from the bottom plate.

[0005]

According to the present invention, the granular material e is charged into the inner cylinder 1 and the upright rotating shaft 13 is rotated in the direction of arrow a to thereby rotate the central rotating blade 11, the outer circumferential rotating ring 8 and the outer circumferential rotating blade 12.
Is rotated in contact with the upper surface of the bottom plate 3 and the upper surface of the rotating disk 4, and at the same time, the rotating disk 4 is rotated in the direction of arrow b.

In this manner, the granular material e in the inner cylinder 1 fills the granular material discharge groove 6 on the upper surface of the disk 4, and in this state, the groove 6 is turned from the inside of the outer cylinder 2 to the outside. The inner peripheral edge of the outer peripheral rotating ring 8 rotating in the direction of the arrow a is slid in the inner peripheral direction, and the granular material e is disposed outside the outer cylinder 2.
Can be continuously taken out of the machine from the groove 6.

The unloading can be discharged out of the groove 6 by a discharge scraper 7 inserted into the groove 6 outside the outer cylinder 2. Also, the above-mentioned cutting is performed by using the rotating ring 8.
The cutting can be performed by sliding the cutting edge 8 'formed in the direction of arrow a (direction of the cutting edge 8') (just like cutting an object with a sword).

If a compaction phenomenon of the granular material e into the groove 6 due to the influence of the weight of the granular material e in the inner cylinder 1 is observed, the lower end of the baffle plate 10 provided on the inner surface of the inner cylinder 1 The particles e formed at an angle of repose and discharged to the outside of the plate 10 are supplied into the groove 6, and the particles e transferred through the annular transfer space 9 are supplied into the groove 6. be able to.

When the central and outer peripheral rotating blades 11 and 12 rotate in the direction of the arrow a, the two blades 11 and 12 intersect with the diametrical direction, so that the powder particles e in the inner cylinder 1 and the ring-shaped transfer space 9 e.
Can be conveyed so as to be brought inward, and the eccentric movement to the outside can be prevented.

When cleaning the rotating disk 4, the supporting device 5 for the disk 4 can be slid and separated from the bottom plate 3 with the disk 4, and after cleaning, the supporting device 5 can be mounted at the original predetermined position by the opposite operation. Can be.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Upright circular inner and outer cylinders 1 and 2 sharing a center line c are integrally provided by a flange 14, and a bottom plate 3 is provided on the outer cylinder 2. A small gap t is interposed between the bottom plate 3 and the lower end of the inner cylinder 1 to form a ring-shaped transfer space 9 for the granular material between the inner and outer cylinders 1 and 2. The upper end of the upright rotation shaft 13 is protruded.

The upright rotary shaft 13 is provided with a base portion of a plurality of (four) spoke-shaped central rotary blades 11 which are in contact with the upper surface of the bottom plate 3, and the tips of the blades 11 extend through the gap t to form the outer cylinder 2.
Is connected to an outer peripheral rotating ring 8 which is in contact with the inner peripheral surface of the bottom plate 3.
It is provided in contact with the upper surface of.

The bottom plate 3 is provided with a rotating disk 4 having an upper surface in the same plane as the upper surface thereof and extending inward and outward of the outer cylinder 2, and having an upper surface on the outer periphery of the disk 4 in the same plane as the above-mentioned plane. The rectangular support device 5 having the same is bonded to the lower surface of the bottom plate 3 with bolts 15, and a rectangular discharge port 16 is opened outside the device 5.

As shown in FIG. 1, the support device 5 has a drive shaft 16 'at the lower portion of the rotary disk 4, and rotates the disk 4 in a horizontal direction around the drive shaft 16' so as to rotate through a speed reducer 17. A variable speed motor 18 such as an inverter.

On the upper surface of the rotary disk 4, there is formed a powdery material discharge groove 6 which is concentric with the disk 4, and its vertical cross section is shown in FIGS.
(C) Various types are used as shown in the figure. Then, outside the outer cylinder 2, the powder / particles e in the groove 6 are discharged to the discharge port 16 by obliquely inserting a powder / particle discharge scraper 7 having the same male shape as the oblique cross-sectional shape of the groove 6. be able to.

A single blade surface 8 "is formed on the inner peripheral edge of the outer peripheral rotary ring 8 and is rotated in the direction of arrow a, and is rotated in the direction of arrow b by the sharp edge 8 'at the tip of the single blade surface 8". The granular material e in the groove 6 can be abraded by sliding the cutting edge 8 'in the horizontal direction. The granular material e remaining after the cutting is transferred by the outer peripheral rotating blades 12 on the disk 4 in the direction of arrow a, and the scraper 7 is moved.
Can be thrown into the groove 6 on the opposite side that has been emptied and emptied. The unremoved residual particles e are repeatedly rotated and moved in the direction of arrow a by the outer peripheral rotating blades 12 in the annular transfer space 9.
The powders e in the inside are not compacted.

Consolidation due to the weight of the granular material e in the inner cylinder 1 due to its own weight is avoided by the baffle plate 10 provided on the inner cylinder 1 above the disk 4. Center and outer peripheral rotating blades 1
Since the outer ends 1 and 12 are obliquely oblique to the diametric direction in the direction of arrow a, the rotation of the blades 11 and 12 causes the granular material e.
Pivotally move so as to be brought inside the inner and outer cylinders 1 and 2.

Of course, in a large-sized apparatus in which the inner and outer cylinders 1 and 2 have a large diameter, the rotating disk 4 does not enter the inner cylinder 1 as shown in FIGS. Only the discharged powder can be discharged.

Reference numeral 12 'in FIG.
2, a cutting edge with a single blade surface formed on the rotation direction side of 11; 11 ', a cutting edge with a single blade surface formed on the rotation direction side of the central rotary blade 11; 17' in FIG. 1; a speed reducer; 18 ', a variable speed motor;
In FIG. 10, reference numeral 19 denotes a fitting portion for the support device 5 formed by cutting out the bottom plate 3, reference numeral 20 denotes a cover, and reference numeral 21 denotes a diameter direction of the inner and outer cylinders 1 and 2.

[0020]

Since the present invention is constructed as described above, there is no danger that not only powders having good fluidity but also powders having poor fluidity are compacted by the circular discharge groove 6 which can be continuously rotated. In addition, there is an effect that the cutting can be sharply sharpened by sliding in the direction of the cutting edge 8 ′, thereby realizing high-precision continuous quantitative supply. There is also an advantage that the device can be simply formed.

[Brief description of the drawings]

FIG. 1 is a vertical sectional front view showing a quantitative feeder of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a partially enlarged view of FIG. 2;

FIGS. 4 (a), (b) and (c) are enlarged vertical cross-sectional views of the granular material discharge groove.

FIG. 5 (a) is a longitudinal sectional view along the line AA in FIG. 3;
(B) The figure is (a) a longitudinal sectional view along the line BB in FIG. (C) The figure is a longitudinal sectional view taken along the line CC of FIG.

FIG. 6 is a plan view of a quantitative feeder provided with a baffle plate.

FIG. 7 is a longitudinal sectional view of FIG.

FIG. 8 is a plan view of a large quantitative feeder.

FIG. 9 is a longitudinal sectional view of FIG.

FIG. 10 is a plan view of a rotating disk separated state.

FIG. 11 is a longitudinal sectional view of a separation unit.

FIG. 12 is a plan view of a separated rotating disk.

FIG. 13 is a longitudinal sectional view of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inner cylinder 2 Outer cylinder 3 Bottom plate 4 Rotating disk 5 Supporting device 6 Granular material discharge groove 7 Granular material discharge scraper 8 Outer peripheral rotating ring 8 'Blade edge 9 Annular transfer space 10 Baffle plate 11 Center rotating blade 12 Outer rotating blade

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-3-166126 (JP, A) JP-A-64-56417 (JP, A) JP-A-4-37128 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) B65G 65/30-65/48

Claims (6)

(57) [Claims] 1. A space formed between an inner cylinder and an outer cylinder sharing a center line with a gap between a bottom plate of the outer cylinder and a lower end of the inner cylinder, and a ring-shaped transfer space for the granular material is provided between the inner cylinder and the outer cylinder. An outer peripheral rotating ring provided along the inner periphery of the outer cylinder is connected to the tip of a central rotating blade provided on an upright rotating shaft protruding from the center of the bottom plate, and a plurality of inwardly rotating outer rotating blades are connected to the ring. A rotating disk having an upper surface in the same plane as an upper surface of the bottom plate, wherein a powder particle concentric with the disk is provided on the upper surface of the disk. A fixed-quantity feeder having a body discharge groove formed therein, the groove being disposed inside and outside the outer cylinder. 2. The fixed-quantity feeder according to claim 1, wherein a powdery material discharging scraper is inserted into the groove outside the outer cylinder. 3. A cutting edge is formed on an inner peripheral edge of said outer peripheral rotating ring, and said powdery material discharge groove is cut off by said cutting edge in said annular transfer space.
Or the quantitative feeder according to (2). 4. A baffle plate is provided on the inner surface of the inner cylinder to avoid the pressure of the granular material to the granular material discharge groove.
The quantitative feeder according to (2) or (3), respectively. 5. The outer peripheral side of the central rotary blade and the outer peripheral rotary blade intersects the diametric direction in the direction of rotation.
(2) The quantitative feeder according to (3) or (4), respectively. 6. The disk (1), (2), (3) and (4), wherein the rotating disk and its supporting device are detachably supported from the bottom plate.
Or the quantitative feeder according to (5).