JPH07275725A - Crusher - Google Patents

Abstract

PURPOSE:To provide a crusher in which crushed powder formed in a crushing chamber is all discharged from a discharge port. CONSTITUTION:In a crusher having a circular rotating crushing plate 11, a casing 12 surrounding the rotating crushing plate 11 to form a crushing chamber H, and a discharge port 20 communicating with the lower part of the crushing chamber H, on the extension of the line J of the horizontal diameter I of the rotating crushing plate 11 in the casing 12, extension parts 19 extending downwards almost vertically from corresponding places are provided to form a discharge port 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to raw materials such as food waste,
The present invention relates to a crushing device used to crush coffee bean lees, livestock manure, and the like.

[0002]

2. Description of the Related Art FIG. 3 is a front sectional view of a conventional crushing device C,
FIG. 4 is a side sectional view taken along the line AA of FIG.

Reference numeral 100 denotes a casing having a circular vertical section, and the casing 100 forms a crushing chamber B. Crushing room B
The rotary crushing plate 101 and the fixed crushing plate 102 are concentrically arranged, and the casing 100 surrounds the rotary crushing plate 101 and the fixed crushing plate 102.

The rotary crush plate 101 is fixed to the end of the rotary shaft 103, and the fixed crush plate 102 is fixed to the casing 100.

A discharge port 104 communicates with the lower part of the crushing chamber B, and the raw material conveying pipe 1 provided on the side surface of the casing 100.
A screw 106 is provided in 05.

In the crushing apparatus C, when a raw material (not shown) is fed into the raw material conveying pipe 105, the raw material is crushed by the screw 106 rotated by the motor 107.
Is supplied to.

The rotary crushing plate 101 is rotated by a motor 108, and the supplied raw material is crushed between the rotary crushing plate 101 and the fixed crushing plate 102 to become crushed powder, and the centrifugal force causes an outer peripheral side of the crushing chamber B. While moving to, the inner surface of the casing 101 is moved by the rotational force of one or more scraping blades 200 attached to the outer peripheral portion of the rotary crushing plate 101, and is discharged from the discharge port 104.

[0008]

In the conventional crushing apparatus C, since the vertical cross section of the casing 100 is circular, the lower part in the crushing chamber B, which is downstream of the discharge port 104 in the rotation direction D, that is, the region. There was a problem that the crushed powder moved to E remained as it was, resulting in poor discharge, or the discharge area of the discharge port 104 was too small to discharge the crushed powder.

Further, there is a problem that the rotational force of the rotary crushing plate 101 is impaired by the resistance of the crushed powder remaining as described above, resulting in defective crushing of the newly supplied raw material.

The present invention is intended to solve the above problems, and an object of the present invention is to provide a crushing apparatus capable of discharging all the crushed powder generated in the crushing chamber from the discharge port.

[0011]

In order to achieve the above object, the present invention provides a circular rotary crushing plate, a casing surrounding the rotary crushing plate to form a crushing chamber, and a discharge port communicating with the lower part of the crushing chamber. In the crushing device having the above, the discharge port is formed by providing an extending portion that extends downward substantially vertically from a position corresponding to the horizontal diameter of the rotary crushing plate in the casing.

[0012]

In the present invention, since the flat area of the crushing chamber and the flat area of the discharge port are substantially the same, the generated crushed powder is entirely discharged from the discharge port by its own weight without remaining in the crushing chamber.

[0013]

1 is a front sectional view of a crushing apparatus F according to an embodiment of the present invention, and FIG. 2 is a side sectional view taken along the line GG of FIG.

A motor 2 is provided inside the base 1,
A device body 3 is provided on the upper portion of the base 1. Device body 3
The bearing 4 provided on the inner circumference of the movable block 3A holds the rotating shaft 5 horizontally.

The movable block 3A is horizontally movable in the axial direction of the rotary shaft 5 by a moving mechanism (not shown), while the pulley 6 provided at one end of the rotary shaft 5 and the pulley 7 of the motor 2 are provided.
A belt 8 is hung on and.

The other end of the rotary shaft 5 is exposed to the outside of the device body 3 through a shaft hole 9 in a side wall 8 of the device body 3. A space between the shaft hole 9 and the rotary shaft 5 is sealed by a sealing means such as a mechanical seal 10. A circular rotary crush plate 11 is attached to the other end of the rotary shaft 5.

On the side of the side wall, there is provided a casing surrounding the rotary crushing plate 11, for example, a lid 12, and the apparatus main body 3
A crushing chamber H is formed between the lid and the lid 12. The lid 11 can be opened and closed by a hinge 13.

The lid 12 has an outer peripheral plate 14 located on the outer peripheral side of the rotary crushing plate 11, and a side plate 15 that closes a region facing the rotary crushing plate 11. The side plate 15 is provided with a supply port 16 on an extension of the rotary shaft 5, and an annular fixed crush plate 17 having the same diameter as the rotary crush plate 11 is fixed to the inner surface of the side plate 15.

The outer peripheral plate 14 has a semicircular portion 18 located above the rotary crushing plate 11 and a portion corresponding to an extension line J of the horizontal diameter I of the rotary crushing plate 11, that is, substantially from both ends of the semicircular portion 18. By providing the extending portion 19 extending vertically downward, the discharge port 20 communicating with the lower portion of the crushing chamber H was formed.

A raw material conveying pipe 21 communicating with the supply port 16 is attached to a side surface of the lid 12, and a screw 22 held by a bearing 21A is horizontally provided inside the raw material conveying pipe 21. The screw 22 is arranged concentrically with the rotating shaft 5, and the pulley 2 is provided at the end exposed to the outside of the raw material transport pipe 21.
3 is attached.

A motor 24 is provided below the raw material conveying pipe 21, and a belt 26 is wound around the pulley 25 and the pulley 23 of the motor 24.

In the crushing device F, the rotation of the motor 2 is transmitted to the rotary shaft 5 via the pulley 7, the belt 8 and the pulley 6,
While the rotary crush plate 11 rotates in a predetermined direction, the motor 24
The rotation of the screw rotates the screw 22 in a predetermined direction.

Raw materials charged through the charging port 27 of the raw material conveying pipe 21 (eg, raw garbage, coffee bean meal, green tea meal, black tea meal,
Animal dung etc.) is conveyed rightward in the figure by the rotation of the screw 22, passes through the supply port 16 and is supplied inside the crushing chamber H, specifically between the rotary crushing plate 11 and the fixed crushing plate 17. It is ground and crushed powder is produced.

The crushed powder moves to the outside by the centrifugal force generated by the rotation of the rotary crushing plate 11, and its own weight and the rotary crushing plate 11
By the rotational force of the scraping blade 50 attached to the outer peripheral portion of the above, it moves to the lower portion of the crushing chamber H and is discharged from the discharge port 20 to the outside.

In this embodiment, since the plane area of the crushing chamber H and the plane area of the discharge port 20 are substantially the same due to the presence of the extending portion 19, the crushing chamber irrespective of the rotation direction of the rotary crushing plate 11. The crushed powder generated in H does not remain in the crushing chamber H and is entirely discharged from the discharge port by its own weight.

Therefore, the discharge efficiency can be maintained excellent,
A stable crushing function can be secured without impairing the rotational force of the rotary crushing plate 11.

The rotating shaft 5 is moved by a moving mechanism (not shown).
Is moved horizontally to rotate the crush plate 11 and the fixed crush plate 17.
It is needless to say that the size of the crushed powder can be arbitrarily changed by adjusting the gap between and.

[0028]

INDUSTRIAL APPLICABILITY As described above, the present invention has a crushing device having a circular rotary crushing plate, a casing surrounding the rotary crushing plate to form a crushing chamber, and a discharge port communicating with the lower part of the crushing chamber. In the above, the discharge port was formed by providing an extending portion that extends substantially vertically downward from a location corresponding to the horizontal diameter of the rotary crush plate in the casing.

Therefore, since the flat area of the crushing chamber and the flat area of the discharge port are almost the same due to the presence of the extending portion, the crushed powder produced in the crushing chamber does not remain in the crushing chamber. It is discharged from the discharge port under its own weight.

Therefore, the discharge efficiency can be maintained excellent,
A stable crushing function can be secured without impairing the rotating force of the rotary crushing plate.

[Brief description of drawings]

FIG. 1 is a front sectional view of an embodiment of the present invention.

FIG. 2 is a side sectional view taken along the line GG in FIG.

FIG. 3 is a front sectional view of a conventional example.

FIG. 4 is a side sectional view taken along line AA of FIG.

[Explanation of symbols]

 11 Rotating Crush Plate 12 Casing 19 Extending Part 20 Discharge Port H Crushing Chamber I Diameter of Rotating Crush Plate

Claims (1)

[Claims] 1. A crushing device having a circular rotary crushing plate, a casing surrounding the rotary crushing plate to form a crushing chamber, and a discharge port communicating with a lower portion of the crushing chamber, wherein the rotary crushing plate in the casing. The crushing device characterized in that the discharge port is formed by providing an extending portion that extends downward substantially vertically from a position corresponding to the horizontal diameter of the crushing device.