JPS60241975A - Trommel - 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 (Industrial Application Field) The present invention relates to an improvement in a trommel (rotary sieve) used in bulky waste processing equipment, garbage incineration equipment, waste resource recovery equipment, and the like.

(Prior art) In general, in bulky waste processing equipment, bulky waste is first crushed using a rotary crusher, and then the crushed waste is passed through a trommel to sift out noncombustibles through the holes of the trommel, thereby separating combustible and noncombustible materials. We are sorting.

In addition, in garbage incineration facilities, the problem of mercury caused by dry batteries has come to the fore in recent years, and it has come to be seen as an important pollution problem. Therefore, garbage is first sorted using a trommel, and in particular, dry batteries are placed in the holes of the trommel at the same time as nonflammable items. Attempts have been made to sort out by sieving out.

Furthermore, in garbage resource recovery equipment, garbage bags are first torn, then sorted with a trommel to sieve out incombustible materials such as sand and glass pieces, and then in subsequent equipment, iron items are removed using magnets, and bottles are separated using a trommel. The materials are sorted by hand, combustibles are sorted by wind, and aluminum beams are separated and collected using a near-motor type magnetic separator.

As described above, the trommel is employed in important processes in various types of equipment, and is constructed as shown in FIG. 4, for example.

That is, the trommel 20 includes a base body 21, a drum body 23 having a cylindrical shape with a large number of holes 22, an annular sliding portion 24 provided on the drum body 23, and a rotary member connected to the annular sliding portion 24. The receiving roller 25 provided on the base body 21 and the drum body 2
3, a pinion 27 meshed with the ring gear 26 and rotatably provided on the base 21, a rotary drive machine (not shown) connected to the pinion 271ζ, and an inlet of the drum body 23. It consists of an input hopper 28 disposed on the side, an appropriate number of discharge hoppers 29 disposed below the peripheral surface of the drum body 23, and another discharge hopper 30 disposed below the outlet side of the drum body 23. ing.

The drum body 23 includes a ring sliding portion 24, a receiving roller 25, and a ring gear 2.
The pinion 2 is rotatably supported by the base body 21 via the pinion 27 and the pinion 27, and the operation of the rotary drive machine depends on the pinion 2.
7. Rotated via ring gear 26.

The material A to be sieved, such as garbage, is input from the input hopper 28 and reaches the drum body 23, where it is sieved by the rotation of the drum body 23, and fine materials to be sieved fall into the discharge hopper 29 and are , the remainder of the material to be sieved falls into the discharge hopper 30.

However, with such a trommel 20, if there is a cable B such as a wire or string mixed in the object to be sieved,
As shown in FIG. 5, these objects get entangled with the holes 22 of the drum body 23 in an outwardly projecting manner, which often causes clogging during continuous operation.

For this reason, in the past, the operation had to be stopped periodically and the removal had to be carried out manually.

However, such a manual removal work is unsanitary and dangerous, and requires a considerable amount of time and effort, which is problematic.

(Problems to be Solved by the Invention) The present invention was created in view of the above-mentioned problems and to solve them, and its purpose is to solve the problems without relying on human hands.
To provide a trommel which prevents clogging of holes in a drum body by removing cables such as wires and strings that are entangled in the holes of the drum body in an outwardly extending state.

(Means for Solving the Problems) The trommel of the present invention includes a base body, a drum body rotatable with respect to the base body lζ and having a cylindrical shape and having a large number of holes, and a drum body disposed close to the outer periphery of the drum body. The device is characterized in that it is comprised of a cutting device that can cut the cable that protrudes from the hole in the drum body.

That is, it is equipped with a conventional trommel cutting device.

(Function) By rotating the drum body relative to the base body, the material to be sieved is sieved, and by operating the cutting device, the cables protruding outward from the holes in the drum body are cut. .

When the cables are cut, they no longer become entangled with the holes in the drum body, thereby preventing the holes in the drum body from being clogged.

(Example) Next, embodiments of the present invention will be described based on the drawings.

FIG. 1 is a front view showing the structure of a trommel according to an embodiment of the present invention. FIG. 2 is a longitudinal side view of the same.

FIG. 3 is a perspective view of the cutting device.

The main parts of the trommel 1 include a base body 2, a drum body 3, and a cutting device 4.

The base body 2 is fixed at an installation location, and includes H-shaped frames 5 spaced apart from each other by Cζ in the longitudinal direction.

The drum body 3 is rotatable with respect to the base body 2 and has a cylindrical shape with a large number of holes 6.

A ring sliding part 7 is provided on the inlet side (right side in FIG. 1) of the drum body 3, and a ring gear 8 is provided on the outlet side, and the ring sliding part 7 is provided on the frame 5 on the inlet side. A receiving roller 9 is connected to and rotates, and a pinion 10 that meshes with a ring gear 8 is disposed on the frame 5 on the exit side, and a rotation drive machine (not shown) is connected to the pinion 0. .

The drum body 3 is divided into three parts by the ring sliding part 7 and the ring gear 8, and the diameter of the hole 6 formed in the outer periphery of each part increases toward the exit side.

A charging hopper 11 is provided on the inlet side of the drum body 3.
A discharge hopper 2 is disposed below each section, and another discharge hopper 13 is disposed below the exit side of the drum body 3.

The cutting device 4 is disposed close to the outer periphery of the drum body 3 and is capable of cutting the cable B protruding outward from the hole 6 of the drum body 3.

In this example, a long fixed body 14, a similarly long movable body 15 provided slidably in the longitudinal direction of the fixed body 4, and a serrated fixed body provided on the fixed body 14. Blade 1
6, a serrated movable blade 17 provided on the movable body 15,
It consists of a driving device 18 such as a fluid pressure cylinder that is interposed between the fixed body 14 and the movable body 15 and causes them to slide relative to each other.

As shown in FIGS. 1 and 2, the cutting device 4 is arranged so that its fixed blade 16 and movable blade 17 are close to the outer periphery of the drum body 3, and its fixed body 14 is attached to the base 2. etc. is supported on the fixed side.

The monthly pitch of the fixed blade 16 and the movable blade 17 of the cutting device 4 is set in accordance with the pitch of the holes 6 of the drum body 3, and the sliding speed of the movable body 15 with respect to the fixed body 14 is set in accordance with the pitch of the holes 6 of the drum body 3. It is set based on the rotational speed, the diameter of the holes 6, and the pitch between adjacent holes 6 in the circumferential direction, and is set so that one hole 6 slides at least once before passing through.

Next, the operation will be explained based on 1 [such a configuration].

When the rotary drive machine is operated, its rotational force is generated by the pinion 10.
→ Ring gear 8 → The drum body 3 is transmitted, and the drum body 3 is rotated in the direction of the arrow in FIG. 2 relative to the base body 2.

The material to be sieved A is supplied from the input hopper 11 and transferred to the drum body 3.
The waste reaches 1ζ, is sieved according to its size, and is discharged to each discharge hopper 12, while the remaining material is discharged to the discharge hopper 13.

When the drive machine 18 is operated, the movable body 15 slides back and forth with respect to the fixed body 14, and the fixed blade 16 and the movable blade 17 are similarly operated.

Therefore, even if a rope object B such as a wire or string is mixed in the object to be sieved and becomes entangled with the hole 6 of the drum body 3, the fixed blade 16 and the movable blade 17 of the cutting device 4 will be cut off. Therefore, the outer protruding portion is cut off. For this reason, the rope A is divided into inner and outer parts with the hole 6 as a boundary, from which they separate and fall.

Incidentally, the base body 2 and the drum body 3 are not limited to those in the previous embodiment.

The cutting device 4 is also not limited to the sliding type as in the previous embodiment.

In the previous embodiment, the cutting devices 4 were provided in one row on the outer periphery of the drum body 3, but the invention is not limited to this. It is also possible to specifically cut materials with different hardness, such as one for wire or the like and the other for string or the like. In this case, the shapes of the months of the cutting devices in the - and second rows are changed.

The shapes of the fixed blade 16 and the movable blade 17 are not limited to the double-edged and symmetrical shape as in the previous embodiment, but may be, for example, double-edged and asymmetrical, or single-edged.

(Effects of the Invention) As described above, according to the present invention, the following excellent effects can be achieved.

(1) Since a cutting device is provided, it is possible to cut and remove cables such as wires and strings that have become entangled in the holes of the drum body.

As a result, clogging of the holes in the drum body can be prevented without relying on manual labor.

(2) Since the holes in the drum body do not become clogged, continuous operation is possible, and good sieving can always be performed.

(3) Since the cutting device is provided outside the drum body rather than inside, its function is not hindered by objects to be screened.

(4) Can be easily applied to existing trommel.

(5) Since the structure is relatively simple, the cost is low.

[Brief explanation of the drawing]

FIG. 1 is a front view showing the structure of a trommel according to an embodiment of the present invention. FIG. 2 is a longitudinal side view of the same. FIG. 3 is a perspective view of the cutting device. FIG. 4 is a front view showing the structure of a conventional trommel. FIG. 5 is a longitudinal sectional side view of the main part showing a state in which the cable is entangled in the hole of the drum body. ■...Trommel 2...Base 3...Drum body 4...Cutting device

Claims (1)

[Claims] A base body, a drum body rotatable relative to the base body and having a cylindrical shape and having a large number of holes, and a cable arranged close to the outer periphery of the drum body and protruding outward from the holes of the drum body. A trommel characterized by comprising a cutting device for cutting.