JP2000296387A - Treating apparatus for empty can, waste plastic container or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To subject empty cans, plastic containers, etc., to a sorting or compression volume reduction treatment. SOLUTION: This apparatus is provided with a transporting conveyor 7 for transporting the empty cans, empty bottles and waste plastic containers. The steel cans among the empty cans transported by the transporting conveyor 7 are attracted and recovered by magnetic force by means of a steel can sorting machine 16. The aluminum cans are sorted and recovered by an aluminum can sorting machine 20. The empty bottles and the waste plastic containers are sorted by blasting generated by a blower 22. The sorted steel cans, aluminum cans, empty bottles and waste plastic containers are respectively recovered in recovering boxes 17, 21, 23 and 24. The recovered steel cans, aluminum cans and waste plastic containers are respectively discretely fed into a press machine 30 by a feed conveyor and are subjected to volume reduction compression. The press machine is constructed as the press machine for common use for the empty cans and the waste plastic containers by disposing needles 46 for piercing the waste plastic containers retractably in a press hopper 37.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing apparatus for separating empty cans, empty bottles, waste plastic containers and the like to reduce the volume of the empty cans and waste plastic containers.

[0002]

2. Description of the Related Art Empty cans and bottles such as soft drinks generated in vending machines and homes are collected and reused, and the collected cans and empty bottles are sorted by type. The empty cans are compressed and reduced in volume by a press machine.

Further, plastic containers such as PET bottles are often separated and collected separately from empty cans and empty bottles, and the waste plastic containers are also subjected to compression and volume reduction by a dedicated press machine.

[0004]

However, it is expected that empty cans, empty bottles and plastic containers will be collected without being separated, and if such plastic containers also produce mixed garbage, such conventional methods will be used. Since there is no apparatus for sorting and reducing the volume of waste, it is conceivable that an apparatus for sorting and reducing the volume of the dust is required. In addition, if an empty can and a plastic container are selected by one apparatus and compression and volume reduction processing is performed, a press machine that can perform both volume reduction processing on both of them is expected to be required.

In view of the above, it is an object of the present invention to provide a processing apparatus for sorting or compressing and reducing volume of collected empty cans, plastic containers and the like, such as empty cans and waste plastic containers.

[0006]

According to the present invention, in order to solve the above-mentioned problems, a processing apparatus for empty cans, waste plastic containers and the like according to claim 1 transports collected empty cans, empty bottles and waste plastic containers. Transport means, a steel can sorter for separating and collecting the steel cans in the empty cans conveyed by the transport means by magnetic force, an aluminum can sorter for sorting and recovering aluminum cans, an empty bottle and a waste plastic container. Blowing means for sorting, a collection box for collecting each of the sorted steel cans, aluminum cans, empty bottles, and waste plastic containers, and a press for compressing and reducing the volume of the steel cans, aluminum cans, and waste plastic containers, Supply means for supplying each of the steel can, the aluminum can, and the waste plastic stored in the collection box to a press machine is provided.

In the apparatus for processing empty cans, waste plastic containers and the like according to the second aspect of the present invention, the press machine has a pusher disposed at one end of a press hopper, and the pusher or the press hopper wall on the opposite side is provided with a pusher. A plurality of through-holes are drilled in one of the holes, and a needle for piercing a waste plastic container is made to face the through-hole, and advance / retreat means for allowing the needle to freely enter and exit the press hopper from the through-hole is provided. Features.

In the processing apparatus for empty cans, waste plastic containers and the like according to the third aspect, a pusher is provided at one end of the press hopper, and either one of the pusher and the wall surface of the opposing press hopper is provided. A plurality of through-holes are formed, and a needle for piercing a waste plastic container is made to face the through-holes, and advance / retreat means for allowing the needles to freely enter and exit the press hopper through the through-holes are provided.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The empty can according to claim 1 of the present invention,
In a processing apparatus for waste plastic containers and the like, recovered empty cans, empty bottles, and waste plastic containers are transported by transport means, and during transport, first, steel cans are sorted by a steel can sorter. Subsequently, the aluminum cans are sorted by the aluminum can sorter, and the remaining empty bottles and waste plastic containers are sorted by blowing the lightweight waste plastic containers far away by the wind sent from the blowing means while falling from the transport means. I do. The selected steel cans, aluminum cans, empty bottles, and waste plastic containers are collected in their respective collection boxes. Then, when the steel can, aluminum can, or waste plastic container in the collection box becomes full, the contents in the collection box are individually supplied to the press by the supply means to perform compression and volume reduction processing. As a result, trash mixed with steel cans, aluminum cans, empty bottles, and waste plastic containers can be sorted out and subjected to compression and volume reduction processing.

Further, in the processing apparatus for empty cans, waste plastic containers and the like according to the second aspect of the present invention, a large number of the pushers of the press hopper of the press machine or the wall surface of the press hopper on the opposite side are provided. A through-hole was formed, and a needle for piercing a waste plastic container was made to face the through-hole, so that the needle could be retracted by an advancing / retreating means. When compressing a steel can or an aluminum can, the needle was retracted from inside the press hopper. In this state, the pusher is advanced to reduce the compression volume, and when compressing the waste plastic container, the pusher is advanced while the needle is projected into the press hopper. The waste plastic container is crushed by the pusher, and the volume of the waste plastic container is reduced while being pierced by a protruding needle. As a result, even if the waste plastic container is left with a stopper, the container is compressed while piercing the container with a needle, so that the container does not burst, and even if a waste plastic container with a stopper is mixed, there is no problem. Without compression and volume reduction.

Further, in the processing apparatus for empty cans, waste plastic containers and the like according to the third aspect of the present invention, a large number of through holes are formed in one of the press hopper and the opposing press hopper wall. A needle for piercing a waste plastic container is made to face the through-hole so that the needle can be retracted by an advancing / retracting means. When compressing a steel can or an aluminum can, the needle is retracted from the press hopper and the pusher is advanced in a state of being compressed to reduce the volume. When compressing waste plastic containers,
With the needle protruding into the press hopper, the pusher is advanced to compress and reduce the volume of the waste plastic container while piercing the waste plastic container while crushing the waste plastic container. As a result, even if the waste plastic container is left with a stopper, the container is compressed while piercing the container with a needle, so that the container does not burst, and even if a waste plastic container with a stopper is mixed, there is no problem. It can be used as a press for both empty cans and waste plastic containers.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

In the drawing, reference numeral 1 denotes a bag-breaking table for breaking the collected garbage bags, which has a receiving hopper 3 having an opening at the top and a discharge port at the bottom on the frame 2. At the upper open part of the receiving hopper 3, a table surface 4 for bag breaking operation is provided.

The base surface 4 has a plurality of flat bars or bars arranged substantially in parallel at a predetermined interval to form a slender shape. At this time, the gap between the flat steels should be as wide as possible while preventing empty cans, empty bottles, and waste plastic containers from passing through.

Further, a bag-breaking blade 5 composed of a sheathed heater is provided at the peripheral portion of the base surface 4 so that a garbage bag is melted to form a linear hole. Below the discharge port at the lower part of the receiving hopper 3, a residual liquid collecting pallet 6 for collecting the residue and residual liquid accompanying the empty cans and the like received in the receiving hopper 3 is provided.

On the side of the bag-breaking table 1, there is a conveyor 7 serving as a conveying means for conveying empty cans and the like taken out of the bag that has been broken.
The conveyor 7 has an endless belt 10 with a fin wound around a head pulley 8 at the upper end and a tail pulley 9 at the lower end, and the frame 11 is arranged with an inclination. The upper portion is bent so as to be substantially horizontal, and the drive motor 12 rotates the tail pulley 9 to rotate the endless belt 10.

Above the horizontal portion of the conveyor 7, a magnet 15 is disposed inside a belt 14 circulating in a direction perpendicular to the conveyor 7 by a motor 13, and a steel can sorter 16 for adsorbing the steel can is arranged. At the end of the steel can sorter 16, a steel can storage hopper 17 for storing the selected steel cans is disposed.

The head pulley 8 at the end of the conveyor 7 has a built-in rotary rotor 18 around which magnets are arranged.
An aluminum can sorter 20 that repels a magnetic field generated by rotating the rotating rotor 18 by the motor 19 and a magnetic field due to an eddy current generated in the aluminum can by the magnetic field to flip the aluminum can forward is formed. An aluminum can storage hopper 21 for storing aluminum cans is disposed in front of the aluminum can sorter 20.

Further, a blower 22 serving as an air blowing means is disposed below and forward of the head pulley 8, and is installed so as to blow air from the blower 22 from the lower front to the rear of the head pulley 8, and is provided with a conveyor. In addition to blowing out the light waste plastic containers falling from the transport end of the head 7 and separating them from empty bins, an empty bin storage hopper 23 for storing empty bins is provided below the head pulley 8.
A waste plastic container storage hopper 24 for storing the waste plastic container is provided beside it.

Each of the storage hoppers 17, 21, 2
Discharge gates 25, 26, 27, 28 are located below 3 and 24.
, And a drawer conveyor 29 is disposed below the drawer. The drawer conveyor 29 conveys empty cans and the like discharged from the storage hoppers 17, 21, 23, and 24 to the press machine 30, and includes a conveyor 7.
In the same manner as described above, a finless endless belt 33 is wound around a head pulley 31 at the upper end and a tail pulley 32 at the lower end, and the frame 34 is disposed horizontally, and is bent in the middle so as to be inclined. The tail pulley 32 is rotated by the drive motor 35 to rotate the endless belt 33.

The press machine 30 includes a press hopper 37 into which empty cans and waste plastic containers placed on a gantry 36 are fed.
A pusher 39 having one end connected to a cylinder 38 is disposed therein. The pusher 39 is slidable in the press hopper 37 by driving the cylinder 38, and the empty can put in the press hopper 37. And waste plastic containers can be compressed and reduced in volume.

Reference numeral 40 denotes a charging chute for charging empty cans and waste plastic containers into the press hopper 37,
It is connected to the transport end of the drawer conveyor 29, and a damper 41 for allocating empty bins is disposed in the middle thereof, so that empty bins can be put into the empty bin hopper 43 via the distribution chute 42. Has become. If the empty bins collected in the storage hopper 23 can be collected and disposed on another line, they need not be conveyed by the drawer conveyor 29, so that the sorting chute 42 can be eliminated.

A large number of through holes 44 are formed in the wall surface of the press hopper 37 facing the pusher 39.
A needle 46 for piercing the waste plastic container fixed to the support plate 45 faces from the outside of the press hopper 37, and the needle 46 is made to be able to move into and out of the press hopper 37 from the through hole 44 by a cylinder 47 as a reciprocating means.

The needle 46 for piercing the waste plastic container is protruded into the press hopper 37 when compressing and reducing the volume of the waste plastic container. A hole is made in the waste plastic container compressed by the pusher 39, and the waste plastic container is plugged. Even if it is still attached, it is designed not to rupture. For example, the supply signal of the waste plastic container is recognized by an open signal of the discharge gate 28 of the waste plastic container storage hopper 24 of the waste plastic container. In addition to the above, if there is a lowering signal of the pusher 39, the cylinder 47 is extended to cause the needle 46 to protrude into the press hopper 37, and the cylinder 47 is reduced by the raising signal of the pusher 39 to move the needle 46 to the press hopper 37. It is good to make control to retreat from inside.

Reference numeral 48 denotes a pusher for sending the block A of an empty can or a waste plastic container which has been compressed and reduced in volume from inside the press hopper 37 onto a binding conveyor 49.
In addition, a discharge gate 51 for discharging the block A is disposed at a position facing the pusher 48 so as to be freely openable and closable by a cylinder 52. The forward and backward operation of the pusher 48 and the opening and closing operation of the discharge gate 51 are linked. In advance,
When pushing the block A forward by pushing the pusher 48 forward, the discharge gate 51 is opened.

The binding conveyor 49 includes a head pulley 5
The endless belt 55 is wound around the endless belt 3 and the tail pulley 54, and the head pulley 53 is rotated by the drive motor 56 to rotate the endless belt 55. A portal-type tying machine 57 is installed so as to straddle the endless belt 55, and the tying machine 57 hangs a resin or steel band over the empty can or the waste plastic container block A on the bundling conveyor 49. The blocks A are bound so that they do not collapse.

Next, an operation procedure for selectively compressing the collected empty cans, empty bottles, and waste plastic containers by the above-described processing apparatus will be described.

The garbage collected in the garbage bag is
First, the garbage is supplied to the bag-breaking table 1, and the worker grasps the garbage bag, presses the sack-breaking blade 5 to tear the garbage bag, takes out empty contents such as cans, and sends the contents to the conveyor 7.

At this time, the remaining liquid such as soft drinks remaining in the empty cans and the residue such as labels and general garbage are dropped from the gap of the slender base 4 of the bag-breaking table 1 to the lower receiving hopper 3 to remove the remaining liquid. It is collected on the collection pallet 6.

When the contents sent to the conveyor 7 reach the lower part of the steel can sorter 16, the circulating belt 1
Only the steel can is attracted by the magnet 15 into the inside 4 and collected in the steel can storage hopper 17.

Further, when the contents reach the leading end of the conveyor 7, the magnetic field generated by the rotating rotor 18 of the aluminum can sorter 20 disposed on the head pulley 8 and the eddy current generated in the aluminum can by the magnetic field. The magnetic field is repelled, and the aluminum can is flipped forward and collected in the aluminum can storage hopper 21.

The empty bottles and the waste plastic containers fall downward from the end of the conveyor 7.
By blowing air from 2, the lightweight waste plastic container is blown off and collected in waste plastic container storage hopper 24. The empty bins which are hardly affected by the blowing fall down as they are and are collected in the empty bin storage hopper 23.

A level sensor (not shown) is attached to each of the storage hoppers 17, 21, 23, and 24.
When a predetermined amount is accumulated in any of the hoppers, the discharge gate is opened and the hopper is conveyed to the press machine 30 via the drawer conveyor 29.

At this time, when an empty bin is paid out from the storage hopper 23, the damper 41 of the input chute 40 is operated to guide the empty bin to the empty bin hopper 43 via the sorting chute 42 and to collect the empty bin.

A predetermined amount of steel cans, aluminum cans, and waste plastic containers other than empty bottles are put into the press hopper 37 of the press machine 30 to reduce the volume.
In the case of a waste plastic container, when compressed by the pusher 39, the cylinder 47 is extended to move the needle 46 into the through hole 44.
From the cylinder 3
8 is extended to lower the pusher 39, and the waste plastic container is gradually compressed while making a hole in the waste plastic container with a needle 46 to form a block shape.

When the molding is completed, the pusher 39 is raised, and at the same time, the cylinder 47 is contracted to retract the needle 46 from the inside of the press hopper 37. Next, the cylinder 53
Is operated to extend the cylinder 50 to open the discharge gate 51, and then the cylinder 50 is extended to send the block A compressed and reduced by the pusher 48 onto the bundling conveyor 49. And the binding conveyor 49
During the transportation, the blocks of the waste plastic containers are bound by a band by a binding machine 57 and collected.

In the case of a steel can or an aluminum can, the pusher 39 is lowered in the same manner as described above with the needle 46 retracted from the press hopper 37, and the volume is reduced by compression. Will be recovered.

In the above-described embodiment, the contents of the storage hoppers 17, 21, 23, 24 are drawn out of the conveyor 2.
9 was conveyed to the press machine 30, but the present invention is not limited to this structure. For example, the press machine 30 is installed below the storage hoppers 17, 21, 23, and 24, and the contents are pressed by a chute. You may make it fall into the machine 30 and throw it in. In addition, a needle 46 for piercing a waste plastic container is disposed so as to be able to protrude and retract so as to face a through hole 44 formed in a wall surface of the press hopper 37 facing the pusher 39. Instead, a through hole is formed in the pusher 39 itself. And the needle for piercing the waste plastic container may be arranged so as to be able to pass through the through hole by the cylinder from the side opposite to the pressing surface side of the pusher so as to be able to protrude and retract. However, the pusher 39 may be pressed in the horizontal direction as well.

[0039]

As described above, the conveying means for conveying the empty can, the collected empty can, the empty bottle, and the waste plastic container according to the first aspect of the present invention, and the steel can in the empty can conveyed by the conveying means are magnetized. Steel can sorter that adsorbs and sorts and collects aluminum cans, aluminum can sorter that sorts and collects aluminum cans, air blowing means that sorts empty bottles and waste plastic containers, and the sorted steel cans, aluminum cans, and empty bottles , A collection box for collecting each waste plastic container, a press machine for compressing and reducing the volume of steel cans, aluminum cans, and waste plastic containers, and a press for each of the steel cans, aluminum cans, and waste plastic stored in the collection box. It is equipped with a supply means to supply to the machine, so it sorts garbage mixed with waste plastic containers in steel cans, aluminum cans, empty bottles , Steel cans, aluminum cans, waste plastic containers can be compressed volume reduction processing.

According to the apparatus for processing empty cans, waste plastic containers and the like according to claim 2 of the present invention, the press machine has a pusher disposed at one end of the press hopper and the pusher or the press hopper on the opposite side. A plurality of through-holes are formed in any one of the wall surfaces, and a needle for perforating a waste plastic container is made to face the through-hole, and advance / retreat means for allowing the needle to freely enter and exit the press hopper from the through-hole is provided. So, even if the waste plastic container remains with a stopper, the container does not burst because it compresses while piercing the container with a needle,
Even if a waste plastic container with a stopper is mixed, compression and volume reduction can be performed without any problem.

According to the apparatus for treating empty cans, waste plastic containers and the like according to the third aspect of the present invention, a pusher is provided at one end of the press hopper, and either the pusher or the wall surface of the opposing press hopper is disposed. On the other hand, a large number of through-holes are bored, and a needle for piercing a waste plastic container is made to face the through-hole, and advance / retreat means for allowing the needle to freely enter and exit the press hopper from the through-hole is provided. Even if the container remains with a stopper, the container is compressed while piercing the container with a needle so that the container does not burst, and even if a waste plastic container with a stopper is mixed, the compression volume reduction process can be performed without any problem. It can be used as a press for both empty cans and waste plastic containers.

[Brief description of the drawings]

FIG. 1 is a front view of an apparatus for processing empty cans, waste plastic containers and the like according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a partially cutaway view of the press of FIG. 1;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Bag breaker 7 ... Conveyor 16 ... Steel can sorter 20 ... Aluminum can sorter 22 ... Blower (blowing means) 30 ... Press machine 37 ... Press hopper 39 ... Pusher 44 ... Through-hole 46 ... Needle 57 ... Binding machine

Claims (3)

[Claims] 1. A conveying means for conveying collected empty cans, empty bottles, and waste plastic containers, a steel can sorter for separating and collecting the steel cans in the empty cans conveyed by the conveying means by magnetic force, and an aluminum can. Aluminum can sorter for sorting and collecting cans, air blowing means for sorting empty bottles and waste plastic containers, collection boxes for collecting each of the selected steel cans, aluminum cans, empty bottles, waste plastic containers, and steel A press machine for compressing and reducing the volume of cans, aluminum cans and waste plastic containers, and supply means for supplying each of the steel cans, aluminum cans and waste plastic stored in the collection box to the press machine, Processing equipment for empty cans and waste plastic containers. 2. The press machine has a pusher disposed at one end of a press hopper, and a plurality of through-holes formed in one of the pusher and an opposing press hopper wall. 2. A processing apparatus for empty cans, waste plastic containers and the like according to claim 1, further comprising a reciprocating means for allowing a needle for container piercing to face and allowing the needle to freely enter and exit the press hopper through the through hole. 3. A pusher is provided at one end of the press hopper, and a large number of through holes are formed in one of the pusher and the opposing press hopper wall surface. A processing apparatus for empty cans, waste plastic containers, and the like, characterized by comprising advance / retreat means for allowing the needle to face and allowing the needle to freely enter and exit the press hopper through the through hole.