JPH06339641A - Apparatus for reducing volume of waste - Google Patents

Abstract

PURPOSE:To make it easy to replace cutting knives to make maintenance and initial assembly work easy regarding an apparatus for crushing plastic wastes such as PET bottles to reduce the volume of the wastes. CONSTITUTION:Rotary blade attachment stands 6a, 6b are fixed in a rotary axis 1 and rotary blades 2 are attached to the stands in the way blades can be detached freely. Meanwhile, fixed blades 3, as common parts with the rotary blades 2, are attached to fixed blade attachment stands 15 in the same way. With the attachment means, maintenance of the rotary blades 2 and the fixed blades 3 and assembly work of them in the initial stage are simplified.

Description

Detailed Description of the Invention

[0001]

[Industrial field of application] There is a means of reducing the volume of industrial waste such as PET bottles by crushing to reduce the cost. The present invention relates to this volume reducing device, and particularly provides a device which can be performed by a cutter method for volume reduction.

[0002]

2. Description of the Related Art As a device for reducing the volume of waste by a cutter method, the same applicant (Japanese Patent Application No. 4-50154).
No. Name of invention Waste volume reduction device). As shown in FIGS. 1 and 2, this device is composed of an ax-shaped rotary blade 2 arranged side by side on a rotary shaft 1, and fixed blades 3 provided on both left and right sides of the rotation range of the rotary blade 2. As shown in FIG. 2, from the disassembled state shown in FIG. 1, the blade portions 4 and 5 are engaged with each other so that the cutter action is performed. In this device, waste is put in from the upper side of FIG.
Rotate to shred waste such as plastic bottles.

[0003]

However, in the above-mentioned conventional apparatus, since the rotary blade 2 and the fixed blade 3 are tapered from the respective bases toward the tip, they have an acute angle. Costly and expensive, and maintenance is troublesome. On the other hand, when assembling the device,
There was a drawback that was difficult to adjust. The present invention aims to overcome the drawbacks of conventional devices.

[0004]

The volume-reducing device of the present invention enables the rotary blade 2 and the fixed blade 3 to be detachably attached to their respective blade mounts and has a small number of processing steps. The simple shape enables cost reduction, easy maintenance, and easy assembly and adjustment.

[0005]

In the volume reducing device of the present invention, when a waste such as a PET bottle is put in from above the cutter device shown in FIG. 1, the rotary blade 2 captures the waste and presses it against the fixed blade 3 side. , To cut into small pieces. When attaching the rotary blade 2 and the fixed blade 3 to the rotary shaft 1, the blade mounting base is fixed in advance, and the rotary blade 2 and the fixed blade 3 formed as separate pieces are detachably fixed to the rotary blade 1 with screws or the like. To wear. When mounting this, firmly fix it using a tapered pusher.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG.
A plurality of rotary blade mounts 6a are fitted to the keys (not shown).
It is fixed by being displaced by a predetermined angle by such means. Another rotary blade mounting base 6b is fixed to one side of the rotary blade mounting base 6a with screws 7 and 8 in a taper-fitted state. The rotary blades 2 are fixed to the upper and lower surfaces of the rotary blade mounts 6a and 6b with screws 9 and 10, respectively, and a pusher 11 is taper-fitted to the rear end of the rotary blades to further secure the fixed state with screws 12. It's solid.

As shown in FIG. 6, the rotary blade 2 has a drum-shaped cross section, and a blade 13 is formed on this side edge portion, and the upper and lower surfaces can be exchanged for use. Reference numeral 14 indicates a through hole for screwing. Fixed blades 3 are fixed to the fixed blade mounting base 15 on the left and right sides of the rotary blade 2 by the same means as the rotary blade 2. This fixed blade 3 has the same parts as the rotary blade 2 and
In the figure, 16 is a pusher, and 17 is a screw. Fixed blade 3
Are installed in the gaps between the rotary blades 2 so that they engage with the rotary blades 2 and perform a cutter action in both forward and reverse rotations of the rotary shaft 1.

[0008]

Since the present invention has the above-mentioned structure, the rotary blade 2 and the fixed blade 3 can be easily removed, and maintenance and initial assembly adjustment can be easily performed. Further, since the rotary blade 2 and the fixed blade 3 are common parts, the cost can be reduced.

[0009]

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a conventional device.

FIG. 2 is a plan view of a conventional device.

FIG. 3 is a front view of the device of the present invention.

FIG. 4 is a front view showing a mounting state of a rotary blade.

FIG. 5 is a sectional view of the same.

FIG. 6 is a perspective view of a rotary blade.

FIG. 7 is a plan view showing a mounting state of a rotary blade.

FIG. 8 is a sectional view taken along line AA of FIG.

[Explanation of symbols]

1 ... Rotary shaft 2 ... Rotating blade 3 ... Fixed blade 6a, 6b ... Rotating blade mount 15 ... Fixed blade mount

Claims (1)

[Claims] 1. A rotary blade mounting base in which a rotary blade mounting base is continuously installed in parallel and fixed to a rotary shaft horizontally extending on a machine frame, and the rotary blade having a taper acute angle outward from the rotary shaft. Is removably attached to the side end in the rotation direction of the rotary blade, and on the other hand, fixed blade mounts provided on both the left and right sides of the rotation range of the rotary shaft face the space between the rotary blades and engage with the rotary blades. A waste volume reduction device characterized in that the fixed blade is detachably attached in this way.