JPH11221522A - Valuable waste recovering device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable performing continuous operation over a long time without frequently stopping operation and further, to enable surely and separately recovering broken pieces of bags and valuable waste. SOLUTION: This device is provided with a belt conveyor 1 for conveying broken pieces of bags B and valuable waste P forward and making the waste P fall at the termination of a conveying route 1A and a waste recovering part 2 for recovering the waste P that has fallen from the termination of the conveying route 1A. Above the conveyor 1, an endless mesh belt 5 is arranged which is hung on front and rear belt wheels 3, 4 positioned in the front and rear parts from the termination of the conveying route 1A. The belt 5 moves forward in a lower belt movement route 5A. In the range form the termination part of the conveying route 1A to a part in front of the waste recovering part 2, a sucking means 7 for sucking the broken pieces of bags B on the back surface of the belt 5 of the lower belt movement route 5A is provided. In front of the waste recovering part 2 and below the endless mesh belt 5, a bag broken pieces recovering part 8 for recovering the broken pieces of bags B that fell by applying no suction force of the sucking means 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for taking out and collecting useful waste collected in a bag from a bag, and more particularly to an apparatus for collecting useful waste from broken bags and useful waste. The present invention relates to an apparatus for removing bag fragments from a mixture and collecting only useful waste.

In this specification, the right side of FIG. 1 is referred to as front, the opposite side is referred to as rear, and the left and right of FIG. 2 are referred to as left and right.

[0003]

2. Description of the Related Art The recycling law was enacted in 1997, and useful waste such as plastic containers such as plastic bottles and plastic trays, metal cans and glass bottles is collected and reused. Was obliged to do so. Therefore, these valuable wastes are collected separately in a bag made of, for example, synthetic resin such as polyethylene, and the valuable waste in a bag is transported to a recycling facility where it is taken out of the bag and the valuable waste is removed from plastic. It is sorted into containers, metal cans, glass bottles, etc., and after reducing the volume of each, it is collected as recycled resources.

[0004] As a device for collecting only useful waste by removing bag fragments from a mixture of broken waste bag and useful waste after the bag containing useful waste is torn (broken). Transport means for transporting, for example, broken bag fragments and useful waste taken out of the bag along the transport path and dropping the useful waste from the transport path at the end of the transport path, and a transport path of the transport means A waste collection unit that collects useful waste that has fallen from the end of the unit, a suction hood arranged above the transport path of the transport unit, a suction fan connected to the suction hood via a duct, and The one provided with a provided cyclone is known.

In this apparatus, bag fragments on the transport path of the transport means are sucked into a duct from a suction hood by a suction fan, and the bag fragments are separated and collected in a cyclone.

However, in the case of this device, since the duct is easily clogged with bag fragments, it is necessary to frequently stop the operation of the recovery device to remove the clogged bag fragments, which is troublesome and useful. There is a problem that waste collection efficiency is poor. . Further, since the weight of the bag fragments is small, there is a problem that the bag fragments cannot be completely separated and collected in the cyclone.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, to enable continuous operation for a long time without frequently stopping the operation, and to reliably collect bag fragments and useful waste separately. It is an object of the present invention to provide a useful waste collection device that can be used.

[0008]

Means for Solving the Problems and Effects of the Invention A useful waste recovery apparatus according to the present invention is an apparatus for removing useful waste collected in a bag from a bag and recovering the waste. Transport means for transporting the waste fragments and the useful waste taken out of the bags forward along the transport path and dropping the useful waste from the transport path at the end of the transport path, and from the end of the transport path of the transport means. A waste collection section for collecting dropped useful waste, and a large number of through-holes extending over front and rear belt wheels disposed at a portion in front of and behind the end of the conveyance path above the conveyance means. And an endless belt made to move forward in the lower belt moving path, and in a range from the end of the conveying path of the conveying means to the front part of the waste collection section, Suction means for adsorbing bag fragments on the lower surface of the belt in the lower belt movement path of the end belt, and disposed below the endless belt in front of the waste collection unit, and the suction force of the suction means does not work. And a bag fragment collecting unit for collecting bag fragments dropped by the method.

According to the apparatus of the present invention, the mixture of bag fragments and useful waste is transported forward along the transport path of the transport means, and the bag fragments are sucked through the through holes of the endless belt at the end of the transport path. The endless belt is sucked on the lower surface of the belt in the lower belt movement path of the endless belt. The useful waste falls from the end of the transport path of the transport means and is collected by the waste collection unit. The bag fragments adsorbed on the endless belt are transported forward along the lower belt movement path,
When it comes to a position where the suction force by the suction means does not act, it falls from the belt and is collected by the bag fragment collection part.

Since the device of the present invention has no portion where bag fragments are clogged, continuous operation over a long period of time is possible. In addition, bag fragments and useful waste can be reliably collected separately.

In the apparatus of the present invention, the suction force of the suction means is applied to the bag fragments dropped from the belt at a portion below the endless belt and in front of a range where the bag fragments are sucked to the lower surface of the belt by the suction means. In some cases, a suction force blocking means that does not affect is provided.

In this case, since the suction force of the suction means does not affect the bag fragments dropped from the belt by the suction force blocking means, the bag fragments do not float in the air forever, and the bag fragment collection section is surely prevented. Will be collected.

The suction force blocking means is provided on the outer peripheral surface of the endless belt at intervals in the length direction of the belt, has a length equal to the width of the belt, and the length direction is the width direction of the belt. , And the plate-like body may be made to hang down when the belt moves along the lower belt moving path.

The above-mentioned plate-like body is attached to the belt so as to be able to move up and down, so that the belt becomes drooping by its own weight when moving along the lower belt moving path, and the belt falls down when moving the upper belt moving. Is preferred. In this case, when the belt moves on the upper belt, the plate-like body falls down, so that space can be saved.

In the apparatus of the present invention, the suction means may have a suction hood disposed between the upper and lower belt movement paths of the endless belt.

In the apparatus according to the present invention, the bag fragments which have fallen due to the suction force of the suction device being stopped from acting on the portion in front of the area where the bag fragments are adsorbed to the lower surface of the belt by the suction device are returned to the bag fragment collection portion. It is preferable that a blow-down means for blowing down is provided.

In this case, the bag fragments dropped from the belt can be quickly collected in the bag fragment collecting section.

The blow-off means may have an air injection nozzle located between the upper and lower belt movement paths of the endless belt.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings.

In FIG. 1 and FIG. 2, the useful waste collecting apparatus is configured to forward the broken bag fragments (B) and the useful waste (P) taken out of the bag forward along the transport path (1A). A belt conveyor (1) (transporting means) that transports and drops useful waste (P) from the transport path (1A) at the end of the transport path (1A), and from the end of the transport path (1A) of the belt conveyor (1) A waste collection section (2) for collecting the dropped useful waste (P).

Above the belt conveyor (1), it is located forward of the end of the transport path (1A), and is behind the end of the transport path (1A), like the front belt wheel (3) whose axis is oriented in the left-right direction. Rear belt wheel located in the right and left direction
An endless mesh belt (5), which is stretched over (4), has a large number of meshes (through holes), and moves forward in the lower belt moving path (5A) is arranged.

On the outer peripheral surface of the endless mesh belt (5), a plurality of plate-like bodies (6) made of rubber, for example, are attached at intervals in the longitudinal direction of the belt (5) so as to be able to move up and down. Each plate-like body (6) has a length equal to the width of the belt (5), and is attached to the belt (5) so that its length direction is in the width direction of the belt (5). Each plate (5) is a belt
When the belt (5) moves along the lower belt moving path (5A), the belt (5) becomes drooping due to its own weight, and the belt (5) becomes the upper belt moving path (5A).
B) It is made to fall when moving.

Further, the useful waste collecting apparatus is provided with a waste collecting section extending from the end of the conveying path (1A) of the belt conveyor (1).
Suction means (7) for adsorbing bag fragments (B) to the lower surface of the belt (5) in the lower belt movement path (5A) of the endless mesh belt (5) in a range up to the portion ahead of (2). ,
Endless mesh belt ahead of the area where the bag fragments (B) are adsorbed to the lower surface of the belt (5) by the suction means (7)
The bag debris collection section (8), which is disposed below (5) and collects the bag fragments (B) that have fallen because the suction force of the suction means (7) does not work, and the bag by the suction means (7) The portion in front of the area where the fragments (B) are adsorbed to the lower surface of the belt (5), that is, in front of the suction means (7), and the suction means (7)
Bag fragments that have fallen due to the inactive suction force
(B) is blown down toward the bag debris collecting section (8).

The suction means (7) is an endless mesh belt
(5) a suction hood (10) arranged between the upper and lower belt movement paths (5A), and a suction pipe (11) connected to left and right ends of the suction hood (10). I have. The suction pipe (11) extends from a suction pump (not shown) and has a suction hood (1).
0).

The blow-off means (9) is disposed between the upper and lower belt moving paths (5A) of the endless mesh belt (5), and extends in the left-right direction and is closed at the right end. An air supply pipe (13) connected to the left end of the trachea (12).
A plurality of downwardly directed air jet nozzles (14) are formed in the lower part of the peripheral wall of the air diffuser (12) at intervals in the left-right direction. The air supply pipe (13) extends from a compressor (not shown) and has a distal end connected to the air diffusion pipe (12).

In the recovery device having the above-mentioned structure, the bag fragments (B)
The mixture of waste and useful waste (P) is transported forward along the transport path (1A) of the belt conveyor (1), and the bag fragments (B) are transferred to the endless mesh belt (B) at the end of the transport path (1A). The suction belt (5) is sucked through the mesh of (5) by the suction hood (10) of the suction means (7), and the lower belt moving path of the endless mesh belt (5) is moved.
It is attracted to the lower surface of the belt (5) in (5A). Useful waste
(P) falls from the end of the conveyor path (1A) of the belt conveyor (1) and is collected by the waste collection section (2).

The bag fragments (B) adsorbed on the endless mesh belt (5) are transported forward along the lower belt moving path (5A), and are sucked by the suction hood (10) of the suction means (7). When it comes to a position where no force acts, it falls from the belt (5). At this time, the suction force of the suction hood (10) is applied to the bag fragments (B) dropped from the belt (5) by the plate-like body (6) located between the suction hood (10) and the air diffuser (12). Has no effect. Moreover,
The bag fragments (B) that have fallen from the belt (5) are blown down toward the bag fragment collection section (8) by compressed air injected from the air injection nozzle (14) of the air diffuser (12), and as a result, the bags are removed. Debris
(B) is quickly and reliably collected by the bag fragment collection section (8).

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a useful waste recovery apparatus according to the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

[Explanation of symbols]

 (1): Belt conveyor (transportation means) (1A): Transport route (2): Waste collection unit (3): Front belt wheel (4): Rear belt wheel (5): Endless mesh belt (5A) : Lower moving path (7): Suction means (8): Bag fragment collection unit

Claims (7)

[Claims] 1. A device for taking out and collecting useful waste collected in a bag from a bag, wherein the broken waste of the bag and the useful waste taken out of the bag are transferred along a transport path. Transport means for transporting the useful waste forward from the transport path at the end of the transport path, and a waste collection unit for recovering the useful waste dropped from the end of the transport path of the transport means; An endless belt that is stretched over the front and rear belt wheels disposed at the front and rear portions of the conveyance path end, has a large number of through holes, and moves forward in the lower belt movement path. Bag fragments are adsorbed on the lower surface of the belt in the lower belt movement path of the endless belt in a range from the end of the belt and the conveyance path of the conveyance means to a portion in front of the waste collection section. And a bag fragment collection unit disposed below the endless belt in front of the waste collection unit and collecting bag fragments that have fallen due to the absence of suction force of the suction unit. Useful waste recovery equipment. 2. The suction force of the suction means does not affect the bag fragments dropped from the belt at a portion below the endless belt and in front of a range where the bag fragments are sucked to the lower surface of the belt by the suction means. 2. The apparatus for collecting useful waste according to claim 1, further comprising a suction force blocking unit. 3. A suction force blocking means is provided on the outer peripheral surface of the endless belt at intervals in the length direction of the belt, has a length equal to the width of the belt, and has a length direction equal to the width of the belt. The useful waste recovery apparatus according to claim 2, wherein the plurality of plate-like members are oriented in a direction, and the plate-like members hang down when the belt moves along the lower belt moving path. 4. A plate-like body is attached to the belt so as to be able to move up and down, so that the belt becomes drooping by its own weight when moving along the lower belt moving path, and the belt falls down when moving the upper belt moving. The useful waste recovery apparatus according to claim 3, which is provided. 5. The useful waste recovery apparatus according to claim 1, wherein the suction means has a suction hood disposed between upper and lower belt movement paths of the endless belt. 6. A bag fragment that has fallen due to the suction force of the suction device no longer acting on a portion in front of a range in which the bag fragment is adsorbed on the lower surface of the belt by the suction device, and blows down the bag fragment toward the bag fragment collection section. 6. The useful waste recovery apparatus according to claim 1, further comprising blow-down means. 7. The useful waste recovery apparatus according to claim 6, wherein the blow-down means has a downward air jet nozzle located between upper and lower belt movement paths of the endless belt.