JPS6227051A - Frozen feed crusher - 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 [Field of Industrial Application] The present invention relates to a frozen feed crusher for finely crushing frozen feed.

[Prior art and its problems]

Generally, frozen feed prepared by freezing sardines and the like is used as feed for fish farming, pig farming, and the like. This is because frozen feed can be stored for long periods of time and is convenient to handle, as it can be crushed and used in the required amount when needed.

Frozen feed crushers have conventionally been used to efficiently crush frozen feed into fine pieces.

Conventional frozen feed crushers can be classified according to the movement of the cutter blade, and are broadly divided into vertically moving types and 2@rotary types.

On the other hand, the vertically moving type is configured to move the cutter blade up and down to slice and crush the frozen feed. However, the II4 structure was complicated and generated a lot of noise during operation.

In addition, the other 2@rotary type has rod-shaped cutter blades that protrude radially on a pair of parallel rotating shafts, and each rotating shaft is rotated in the opposite direction to crush the frozen bait into minced pieces. has been done.

However, it has a complicated structure, is difficult to assemble, repair, and clean, is heavy, and is expensive.

[Purpose of the invention]

The present invention has been made in view of these points, and has a simple structure, can be easily assembled, repaired, and stationed, is convenient to carry with a small weight, and can be operated with low noise. An object of the present invention is to provide a frozen feed crusher capable of crushing frozen feed finely and well.

[Summary of the invention]

The frozen feed crusher of the present invention includes a rotating shaft in the crushing chamber,
A plurality of cutter blades whose radius to the cutting edge increases as the center angle increases in the rotational direction are fixed in parallel to the rotating shaft with axial intervals, and the frozen feed is crushed with these cutter blades. It is characterized by being formed by positioning the blade between the cutter blades.

(Embodiments of the Invention) Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 4.

1 to 3 show one embodiment of the present invention, with FIGS. 1 and 2 showing the whole, and FIG. 3 showing details of the cutter blade.

In this embodiment, a crushing chamber 1 having an input port 2 at the top is used.
One rotary shaft 3 is rotatably supported in the horizontal direction. A pulley 4 is attached to the end of the rotating shaft 3 outside the crushing chamber 1.
is fixed. Further, a drive mechanism 5 such as a pressure oil servo motor or an electric motor is fixed to the outside of the crushing chamber 1, and a pulley 7 fixed to an output shaft 6 of the drive mechanism 5 and the pulley 4 are connected via an endless belt 8. has been done. Further, a plurality of cutter blades 9, 9 are fixed to a portion of the rotating shaft 3 inside the crushing chamber 1 in parallel with an axial interval.

In this cutter blade 9, the cutting edge 9a is formed so that as the central angle θ with respect to the crushing chamber 1 increases in the rotational direction (counterclockwise in FIG. 3), the radius r to the tip thereof increases. In this embodiment, one cutter blade 9 is formed by connecting the cutter blades 9 so that the blade edges 9a are rotationally symmetrical with a phase difference of 180 degrees. Further, each cutting edge 9a is provided with a plurality of notches to form a plurality of notch blades 10, so that the frozen feed can be crushed more finely.

A plurality of plate-shaped fixed blades 11, 11 are fixedly installed in parallel between each cutter blade 9 so as to face the notch blades 10, 10 of the rotating cutter blade 9. NaJ
3. In FIG. 3, main parts of the cutter blade 9 and fixed blade 11 are shown for ease of understanding.

Next, the operation of this embodiment will be explained.

First, the drive mechanism 5 is operated to rotate the output shaft 6, and the output shaft 3 is rotated through the pulley 7, endless belt 8, and pulley 4.
, and rotate the cutter blade 9 in the direction of the thick arrow in Figure 3. Thereafter, the chunks of frozen feed are introduced into the crushing chamber 1 through the input port 2. The lump of frozen feed introduced into the crushing chamber 1 moves downward toward the fixed blade 11.11 due to its own weight, and the cutting edge 9a of the cutter blade 9 whose radius increases as it rotates and each notch blade io. , io is forcibly pressed onto the fixed blades 11, 11. Then, as each cutter blade 9 passes between the fixed blades 11 while meshing with each other, the frozen feed is finely crushed.

To explain further, the cutting edge 9a of the cutter blade 9 and the fixed blade 11
As the cutter blade 9 rotates, the meshing position with the rotating shaft 3
Since the frozen bait gradually moves away from the fixed blade 11, the frozen bait is sheared while moving the shearing position in the length direction of the cutting edge of the fixed blade 11. As a result, the frozen feed is finely crushed with low noise and a small shearing force. Also,
At the same time, the frozen bait is forcibly pressed toward the fixed blade 11 by the cutout blade 10 formed on the cutting edge 9a, so that it is reliably crushed and sheared into strips by the cutting edge 9a and the fixed blade 11. After that, it is further cut into small pieces by the notch blade 10 and crushed into extremely fine pieces. In this embodiment, the cutting edge 9a of the cutter blade 9 is formed so that its radius becomes larger as it rotates, and the cutting edge 9a is formed with a plurality of notch edges 10° 10, which work together. , Frozen feed can be reliably, efficiently and quickly crushed into small pieces with small force and low TA sound.

The frozen feed that has been finely crushed in this way is transported to the fixed blade 11.
The pellets fall downward through the holes, are taken out from an outlet (not shown), and are used as bait.

FIG. 4 shows another embodiment of the cutter blade 9 of the present invention, in which a through hole 13 is bored in the blade portion between the center hole 12 attached to the rotating shaft 3 and the cutting edge 9a, and the cutter blade 9 In addition to reducing the weight of the cutter blade 9, the fixed blade 11, and the frozen bait, the contact area between the cutter blade 9, the fixed blade 11, and the frozen bait is reduced, so that the frozen bait can be crushed effectively with a smaller driving force. As shown in the cross section of the same figure, each notch blade 1
The tip of the notched blade 10 is formed into a tapered shape to increase the efficiency of crushing frozen feed by the notched blade 10.

In the embodiment shown in FIG. 3, a plurality of cutter blades 9
, 9 are fixed at the same phase in the circumferential direction of the rotating shaft 3, but they are fixed at different phases in the circumferential direction so as to equally divide the circumference, and each cutter blade 9 is fixed at a different phase. Blade 1
1 and meshing V, the fixed blade 11 and cutter blade 9 as a whole
They may be formed so that they always mesh with each other, so that the frozen feed is continuously crushed and the zero load acting on the rotating shaft 3 is always kept constant.

Further, each cutter blade 9 in the embodiment shown in FIG. 3 may be formed of only one cutting edge 9a, and adjacent cutter blades 9 may be arranged in parallel with respect to the rotating shaft 3 with a phase difference of 180 degrees.

Further, in the present invention, a set of rotating cutter blades 9
and a fixed blade 11, and the operating parts are only one rotary shaft 3 and the cutter blade 9 attached to it, so the structure is simple and assembly, repair, and disassembly cleaning can be easily performed. can.

〔Effect of the invention〕

Since the frozen feed crusher of the present invention is configured and operates in this manner, the structure is l! ! It is simple and easy to assemble, repair, and clean, and its small weight makes it convenient to carry.Furthermore, it has the advantage of being able to crush frozen feed finely and efficiently with low noise. .

[Brief explanation of drawings]

The drawing shows an embodiment of the frozen tfIF+ crusher of the present invention,
Fig. 1 is a side view of one embodiment, Fig. 2 is a left side view of Fig. 1, Fig. 3 is a perspective view of the cutter blade portion, and Fig. 4 is a front view showing another embodiment of the cutter blade. be. DESCRIPTION OF SYMBOLS 1... Crushing chamber, 3... Rotating shaft, 9... Cutter blade, 9a... Cutting edge, 10... Notch blade, 11... Fixed blade, 13... Through hole. Figure 1 Figure 2

Claims (1)

[Claims] 1) A rotating shaft is provided in the crushing chamber, and a plurality of cutter blades whose radius to the cutting edge increases as the center angle increases in the rotational direction are fixed to the rotating shaft in parallel with an axial interval. A frozen bait crusher characterized in that a plurality of fixed blades are positioned between the cutter blades and crush the frozen bait with these cutter blades. 2) The frozen feed crusher according to claim 1, wherein the cutter blade has a plurality of notched blades formed at its cutting edge. 3) The frozen feed crusher according to claim 1 or 2, wherein the cutter blade has a through hole bored in its blade portion.