JP2002210692A - Cutting device and method for used pet (polyethylene terephthalate) bottle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compact and economical cutting device capable of crashing and cutting a PET bottle at a first cutting part, further cutting the same at a second cutting part to efficiently cut the PET bottle in chips, smoothly executing the continuous cutting work, and being useful for automation with simple constitution, high durability and easy maintenance. SOLUTION: A pair of cashing plates 1, 5 are mounted in a properly inclined state, the upper crashing plate 5 is provided with a stopper 10, the PET bottle P is crashed, and cut approximately in parallel along the predetermined direction in the first cutting part A1, a stopper projection 12 is formed on an upper face of the lower crashing plate to form a clearance between a lower end part of the stopper 10 and an upper face of the lower crashing plate 1 in raising the upper crashing plate 5, and in the second cutting part A2, the PET bottle is cut approximately in parallel along the direction intersecting the cutting direction in the first cutting part A1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended to facilitate the recycling of collected used PET bottles as a raw material resource (thermoplastic polyester resin material). The present invention relates to a used PET bottle cutting device and a cutting method devised so as to be cut.

[0002]

2. Description of the Related Art Conventionally, various proposals have been made regarding the recycling of used PET bottles due to the recycling law and the problem of waste reduction. In particular, one of the methods is to use recovered plastic bottles as a raw material resource (thermoplastic polyester resin material). In this case, for example, the PET bottle is cut by a cutter having a plurality of rotating blades to remove small pieces. (For example, Japanese Unexamined Patent Publication No. 9-174551).

[0003]

However, in the above-described means, continuous cutting can be relatively easily performed by dropping a plastic bottle on the cutter portion, but the plurality of rotary blades of the cutter are worn. In addition, when the rotary blade is worn, the cutting ability is significantly reduced. In addition, compatible mounting of a cutter having a plurality of rotary blades is troublesome, and there is a problem that it takes time and cost for the compatible mounting work. Therefore, the applicant of the present application
Attention has been paid to a so-called press-type cutting means using a pair of crushed plates capable of exhibiting excellent cutting ability over a long period of time. However, this cutting means has difficulties such as difficulty in cutting PET bottles continuously.

[0004]

Therefore, the present invention, of course, can solve the above-mentioned difficulties and the like.
Continuous cutting work can be performed smoothly, PET bottles can be efficiently cut into chip pieces, the configuration is simple, durable, compact, easy to maintain,
It is easy to automate, economical, and can contribute to the reuse of used PET bottles supplied in large quantities, so that the effective use of used PET bottles as a raw material resource and the reduction of garbage can be achieved steadily little by little. The apparatus for cutting used PET bottles according to claim 1 is a cutting apparatus for cutting used PET bottles P collected for recycling as a raw material resource into chips. A pair of crushing plates 1 and 5 that can crush and cut P are disposed in an inclined state as appropriate, and the upper side of the crushing plate 1 where the PET bottle P is located is facing the PET bottle P supply and facing the PET bottle P collection. It is configured to slide by gravity, and a stop stopper 10 for temporarily stopping the plastic bottle P is attached to the crush plate 5 of the upper limb to supply the supplied bottle. The bottle P is formed so as to be stopped at the first cutting portion A1. In the first cutting portion A1, the PET bottle P is crushed by the lowering of the crush plate 5 of the upper limb, and the crushed PET is crushed. Bottle P
Is formed so that it can be cut substantially parallel along the predetermined direction,
The stop stopper 10 allows the plastic bottle P crushed and cut by the first cutting portion A1 to pass between the lower end portion and the upper surface of the lower crush plate 1 when the upper crush plate 5 rises. A stopper projection 12 for temporarily stopping the crushed and cut PET bottle P that has passed through the gap is formed on the upper surface of the lower crush plate 1. And the crushed and cut PET bottle P is formed so as to be stopped at the second cutting portion A2. In the second cutting portion A2,
A means for forming the crushed and cut PET bottle P so as to be cut substantially parallel along a direction intersecting the cutting direction at the first cutting portion A1 is employed.

Further, in the apparatus for cutting used PET bottles according to the second aspect, the PET bottles connected to the raising and lowering operation of the crushing plate 5 of the upper gawa are connected to the supply of the PET bottle P to the pair of crushing plates 1 and 5. A means for supplying P is provided so that the PET bottles P can be continuously supplied to the cutting device one by one in accordance with the elevating operation of the crushing plate 5 of the upper limb.

Further, a method for cutting used PET bottles according to claim 3 is a cutting method for cutting used PET bottles P collected into a chip shape for recycling as a raw material resource. A pair of crush plates 1 and 5 which can be crushed and cut and which are arranged at an appropriate inclination.
The PET bottle P is slid by gravity on the upper surface of the lower crushing plate 1 in FIG.
Is stopped at the first cutting portion A1 by the stop stopper 10 attached to the crushing plate 5 of the upper limb, and the crushing plate 5 of the upper limb is lowered at the first cutting portion A1 to remove the plastic bottle P. While being crushed, the crushed PET bottle P is cut in a substantially parallel direction along a predetermined direction, and the crush plate 5 of the upper limb is raised to raise the stop stopper 10, and the lower end of the stop stopper 10 and the lower A clearance space is appropriately provided between the upper surface of the crush plate 1 and the plastic bottle P which has been crushed and cut at the first cutting portion A1 and then crushed and cut through the clearance space. The plastic bottle P is held in the second position by a stopper projection 12 projecting from the upper surface of the crush plate 1 of the lower leg.
The cutting section A2 is stopped, and in this second cutting section A2, the crushed plate 5 of the upper limb is lowered, and the crushed and cut PET bottle P is cut in the cutting direction at the first cutting section A1. The PET bottle P is cut into a plurality of chip pieces by cutting substantially in parallel along the crossing direction, and means for allowing these chip pieces to collect around the stopper projection 12 is adopted.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on illustrated examples. The present invention provides a recycling system that reuses used PET bottles P as a raw material resource (a thermoplastic polyester resin material, for example, polyethylene terephthalate) so that the collected used PET bottles P can be cut into chip pieces. The present invention relates to a cutting device as described above.

The cutting device is formed so that the PET bottle P can be crushed and cut by the raising and lowering operation of the crushing plate 5 and the raising and lowering operation of the cutting slide 6 provided on the crushing plate 5. A pair of crush plates 1 and 5, which are appropriately inclined, and are mounted on the upper crush plate 5 so as to be slidable substantially vertically, and the supply is slid (or rolled). Stopper 1 for temporarily stopping the moving PET bottle P
0, the PET bottle P stopped by the stop stopper 10 is crushed by the lowering of the crushing plate 5 and the PET bottle P crushed by the lowering of the appropriate number of cutting slides 6 is removed. A first cutting portion A1 formed so as to be cut substantially parallel along a predetermined direction;
The PET bottle P, which is protruded upward from the upper surface of the lower crush plate 1 and is crushed and cut at the first cutting portion A1 and temporarily slides on the upper surface of the lower crush plate 1, is temporarily stopped. The plurality of stopper projections 12 to be crushed, and the crushed and cut PET bottle P stopped by the stopper projections 12 are lowered by the crushing plate 5 of the upper limb and the cutting slide 6 provided on the crushing plate 5.
And a second cutting portion A2 that can be cut substantially in parallel along a direction intersecting (for example, orthogonally or intersecting at an appropriate angle) with the cutting direction at the first cutting portion A1. is there. That is, by the raising and lowering operation of the upper crushing plate 5, the first cutting portion A1 can reliably crush and cut the plastic bottle P, and the second cutting portion A2 can cut the plastic bottle P in the cutting direction at the first cutting portion A1. This makes it possible to perform reliable cutting in the direction in which the plastic bottle P intersects, efficiently cut the PET bottle P into chip pieces, and smoothly perform continuous cutting work. The stop stopper 10
Is formed such that a clearance space is formed between the lower end portion of the upper crush plate 5 and the upper surface of the lower crush plate 1.
When the clearance space becomes wider than the thickness of the plastic bottle P crushed and cut at the first cutting portion A1 due to the rise of
The crushed and cut PET bottle P is configured to be able to slide on the upper surface of the crush plate 1 to the second cut portion A2 through the clearance space.

The pair of crush plates 1 and 5 are, for example, a substantially thick rectangular plate-shaped crush plate 1 which is immovable and arranged on a lower leg, and can be raised and lowered toward the lower crush plate 1. And a substantially thick rectangular plate-shaped crushing plate 5 arranged on the upper limb, and the pair of crushing plates 1 and 5 are appropriately inclined (see FIGS. 1 to 5). The PET bottle P located on the upper surface of the lower crushing plate 1 is supplied (from a high position on the left in the drawing) to recovery (from a low position on the right in the drawing). Glide smoothly toward the river (or
(Rolling). In some cases,
The lower crush plate 1 may also be configured to move up and down.

In the first cut portion A1 and the second cut portion A2 of the crush plate 1 for lower leg, for example, an appropriate number of sliding body indentation concave portions 2 each having a substantially elongated rectangular parallelepiped shape are provided on an upper surface thereof.
A substantially elongated rectangular receiving plate 3 is provided in the sliding body indentation concave portion 2 so as to be able to move up and down, and the receiving plate 3 is always pressed upward by a plurality of resilient springs 4 (see FIG. 1). 12 to 14). The size, shape, arrangement position, number of arrangements, and the like of the sliding body entry recess 2 and the receiving plate 3 are determined so as to match the cutting sliding body 6 described later.

The first cut portion A1 and the second cut portion A2 of the crush plate 5 have, for example, a substantially slender block which matches the slide member intrusion recess 2 and penetrates into the slide member ingress recess 2. The cutting slide 6 is provided so as to be movable up and down. The cutting slide 6 descends together with the crush plate 5 to crush the PET bottle P to some extent. 6 is further lowered, and its tip end surface portion slightly penetrates into the opening portion of the sliding body intrusion concave portion 2, so that the crushed plastic bottle P can be cut into the contour shape of the cutting sliding body 6 (for example, left and right). It is configured to be able to reliably and neatly cut into parallel lines formed by long side portions (see FIGS. 12 to 14). The elastic force of the plurality of elastic springs 7 is constantly urged downward on the upper crush plate 5. By the way, for example, in the first cutting portion A1, two cutting sliding bodies 6 are arranged so that the longitudinal direction thereof is parallel to the longitudinal direction of the plastic bottle P, and the plastic bottle P is It is formed so that it can be cut in five parallel along the length direction, and in the second cut part A2, three pieces are made so that the longitudinal direction is parallel to the width direction of the PET bottle P. The plastic bottle P is arranged so as to be cut into seven pieces in parallel along the width direction (see FIGS. 5 to 10).

The receiving plate 3 and the resilient spring 4 are connected to the PET bottle P
Is configured to be pushed up with the lifting of the cutting sliding body 6 without remaining in the sliding body indentation concave portion 2 so that it can be smoothly shifted to the cutting of the next PET bottle P. It is a thing.

The stop stopper 10 is formed of, for example, a metal material or the like as appropriate, and a part thereof is loosely inserted into a plurality of cutting slides 6 formed in the crushing plate 5 at an appropriate interval. The plastic bottle P is projected under the lower surface of the crushing plate 5 of the upper wing by gravity and is not crushed.
Is formed so as to be reliably stopped at the first cutting portion A1. In addition, when the upper crush plate 5 descends, the stop stopper 10 comes into contact with the lower end of the lower crush plate 1 and the upper end thereof projects above the upper crush plate 5. Is formed.

The stopper projections 12 are formed of, for example, a metal rod or the like having a relatively small diameter, and a plurality of stopper projections 12 (three in the illustrated example) are provided on the upper surface of the crush plate 1 of the lower leg.
Are arranged. That is, the stopper projection 12
The plastic bottle P crushed and cut at the first cutting portion A1 is formed so as to be reliably stopped at the second cutting portion A2,
Moreover, the stopper projections 12 are formed so that when the crush plate 5 on the upper side descends, the stopper projections 12 can be accommodated in the projection relief portions 13 formed in the crush plate 5. in addition,
The stopper projection 12 is formed by the plastic bottle P cut into chips at the second cutting portion A2.
Thus, the collection of the plastic bottle P can be smoothly slid between the stopper projections 12 without being stopped.

In the cutting device of the present invention, the supply of the PET bottle P to the pair of crush plates 1 and 5 and the supply means of the PET bottle P linked to the elevating operation of the crush plate 5 on the upper side. Is provided, and the PET bottles P can be continuously supplied to the cutting device one by one in accordance with the elevating operation of the crushing plate 5 of the upper limb.

The PET bottle P supply means shown in FIGS. 15 and 16 is, for example, a lower crush plate 1.
Near the end of the plastic bottle P supply on the upper surface, one end of which is swingably supported, and the other end of which is formed so that the waist can swing vertically. An oscillating body 20, a pull-back spring 22 having the other end of the feeding oscillating body 20 fixed to an alligator, and the other end of the feeding oscillating body 20 elastically pulling the allotment downward; When the other end of the moving body 20 is lowered, a stopper 23 projecting into the feeding rocking body 20 from the spout through hole 21 formed in the bottom plate of the feeding rocking body 20 and the other end are fed with the feeding rocking body. Moving body 2
0, one end of which is fixed to an appropriate position (for example, the lower crush plate 1), and a central portion thereof is fixed to the upper crush plate 5. By moving the crush plate 5 up and down, the central portion of the cord 24 is moved up and down so that the feeding rocking body 20 can be rocked. In addition, the oscillator for feeding 2
When swinging so that 0 descends, the stopper 23 protrudes upward from the through-hole 21 and the other end of the feeding swinging body 20 accommodates only one PET bottle P (FIG. 16). On the other hand, when the feed rocking body 20 is rocking so as to rise, the spout through hole 21
The stopper 23 comes out of the plastic bottle P
The cutting device slides (or rolls) the feeding rocking body 20 so that it can be fed (see FIG. 15).

The PET bottle P supply means shown in FIGS. 17 and 18 is, for example, provided near the end of the PET bottle P supply on the upper surface of the lower crush plate 1 so that one end of the PET bottle P can swing freely. A substantially plate-shaped feeding rocking body 20 that is supported and has the other end formed to be swingable in the vertical direction, and the other end of the feeding rocking body 20 is fixed to the rock. A retraction spring 22 for resiliently pulling the other end of the feed rocker 20 downward, and a feed rocker 20
When the other end of the oscillating body 20 descends, a stopper 23 projecting upward from the oscillating body 20 for feeding through the through-hole 21 formed in the oscillating body 20 for feeding, and the other end of the oscillating body 20
And a cord portion 24 whose one end is fixed to the upper crush plate 5 and whose central portion is locked to an upper end portion of an appropriately erected mast. By moving up and down 5, the one end portion of the cord 24 is moved up and down so that the feeding rocking body 20 can be rocked. Moreover, when the feeding rocking body 20 is rocking so as to descend, the stopper 23 projects upward from the through-hole 21 and the other end of the feeding rocking body 20 is connected to one PET bottle P. Is placed (see FIG. 17).
On the other hand, when the feeding rocking body 20 is rocking so as to rise, the stopper 23 comes out of the through-hole 21 and the PET bottle P cuts the feeding rocking body 20 by the cutting device. (See FIG. 18).

Further, the supply means of the PET bottle P shown in FIGS. 19 and 20 is, for example, arranged such that the supply of the PET bottle P of the crush plate 1 of the lower limb is arranged below the lower rim and the other end is turned downward. An approximately L-shaped plate-shaped feed rocking body 30 having an extended stopper 32, and when the other end of the feed rocking body 30 falls, the feed rocking body 30
A stopper 33 protruding above the feeding rocking body 30 from the spout through hole 31 formed in the upper portion and a plastic bottle P supply of the upper crush plate 5 are connected to the lower end of the lower portion.
An elevating plate 34 provided below the end of the crushing plate 1 for feeding the PET bottle P, and the elevating plate 34 is moved up and down by the raising and lowering of the crushing plate 5 for feeding. The upper end of the oscillating body 30 is raised and lowered, and the feeding oscillating body 30
Is configured to be able to be swung. In addition, when the other end of the feed rocking body 30 is rocking so that the wag is lowered (when the lifting plate 34 is raised),
The stopper 33 protrudes upward from the through-hole 31 and only one PET bottle P is placed around the other end of the feeding rocking body 30 (see FIG. 19). When the other end is swinging so as to raise the waist (when the elevating plate 34 descends and presses one end portion of the feeding swinging body 30 downward), the stopper 33 is moved from the through hole 31 to the stopper 33. As the PET bottle P comes off, the elevating plate 34 slides (or rolls) along the feeding rocking body 30 (see FIG. 20), and the PET bottle on the elevating plate 34 is raised by the next ascent of the elevating plate 34. P is configured to be supplied to the cutting device (see FIG. 19).

The PET bottle P supply means shown in FIG. 21 is provided, for example, in such a manner that the PET bottle P supply of the lower crush plate 1 is allotted, and the PET bottle P is rolled around a drum arranged vertically. A free feeding rotary body 40 and a plurality of partition plates 4 protruding from the feeding rotary body 40 at appropriate intervals (for example, intervals corresponding to the thickness of one PET bottle P).
1, a gear 42 connected to the lower drum to rotate the feeding rotary body 40 and rotate only in a predetermined direction with a built-in one-way clutch, and a PET bottle P supplied from the upper crush plate 1. A rack 43 is connected to the end and meshes with the gear 42 to rotate the gear 42. The rack 43 is moved up and down by moving up and down (falling) the crush plate 5 on the upper side to move the gear 42. Rotate it,
Further, the feeding rotary body 40 is rotated by the gear 42,
The configuration is such that a portion of the PET bottle P partitioned by the partition plate 41 can be supplied to the cutting device.

Incidentally, the specific configuration, shape,
Dimensions, material, specific configuration of the first cutting part A1, arrangement position,
Specific configuration, disposition position, specific configuration, shape, size, material, support means, specific configuration, shape, dimensions, disposition position, number of sliding body intrusion recess 2 of second crushing plate 1 ,
The specific configuration, shape, size, material, support means of the receiving plate 3, the specific configuration, shape, size, material, arrangement position, number, specific configuration, shape, dimensions of the crush plate 5, Material, support means, specific configuration, shape, size, material, support means, arrangement position, number of cutting slide 6, specific configuration, shape, dimension, material, arrangement position, number of resilient spring 7 , The specific configuration, shape, size, material, arrangement position of the stop stopper 10, the specific configuration, shape, dimension, arrangement position, number of the stopper insertion holes 11, the specific configuration, shape, dimensions of the stopper protrusion 12, Material, arrangement position, number, specific configuration, shape, size, arrangement position, number of the protrusion relief portion 13, specific configuration of the supply means of the plastic bottle P, arrangement position, specific configuration of the feeding rocking body 20 Configuration, shape, size, material, arrangement position, through hole 21 Specific configuration, shape, size, arrangement position, number, specific configuration, shape, dimension, material, arrangement position, number of the return spring 22, specific configuration, shape, dimension, material, arrangement position of the stopper 23 , Number, cords 24
Specific configuration, shape, size, material, arrangement position, specific configuration, shape, size, material, arrangement position of the rocking body 30 for feeding,
Specific configuration, shape, size, arrangement position, number of the through-hole 31, specific configuration, shape, dimension, material of the stopper 32, arrangement position, number, specific configuration, shape, dimension, material of the stopper 33 , Disposition position, number, specific configuration, shape, dimensions, material, disposition position, specific configuration, shape, dimension, material, disposition position, partition plate 41 of the rotary feeder 40
Specific configuration, shape, size, arrangement position, number of gears 42, specific configuration, shape, dimensions, material, arrangement position, rack 43
The specific configuration, shape, dimensions, material, disposition position, etc. of the device are not limited to those in the illustrated example, and can be freely set and changed as appropriate.

The method for cutting used PET bottles P according to the present invention is as follows.
The PET bottle P is slid by gravity on the upper surface of the lower crush plate 1 in FIG.

Then, the PET bottle P is stopped at the first cutting portion A1 by the stop stopper 10 attached to the crush plate 5 of the upper limb.

Next, the crushed plastic bottle 5 is lowered by lowering the crushed plastic bottle 5 at the first cutting portion A1, and the sliding body 6 for cutting is further lowered. P is cut substantially parallel along a predetermined direction (for example, the longitudinal direction of the PET bottle P).

Then, the upper crush plate 5 is raised to raise the stop stopper 10, and a clearance space is appropriately provided between the lower end of the stop stopper 10 and the upper surface of the lower crush plate 1.

Then, the plastic bottle P crushed and cut by the first cutting portion A1 passes through this gap space (slids).

Thereafter, the crushed and cut PET bottle P having passed through the gap space is subjected to a second cutting portion A by a stopper projection 12 protruding from the upper surface of the lower crush plate 1.
Stop at 2.

Then, the upper crushing plate 5 is lowered, the crushed and cut PET bottle P is crushed in the second cutting portion A2, and the cutting slide 6 is further lowered. The PET bottle P is cut into a plurality of chip pieces by being cut substantially parallel along a direction intersecting the cutting direction at the one cut portion A1.

These chip pieces can be collected on the upper surface of the crush plate 1 by sliding over the stopper projection 12 by sliding.

[0029]

According to the present invention, there is provided a used PET bottle cutting apparatus for cutting used PET bottles P collected for recycling as raw material resources into chips. A pair of crushing plates 1 and 5 that can crush and cut P are disposed in an inclined state as appropriate, and the upper surface of the crushing plate 1 in which the PET bottle P is lowered is used to supply the PET bottle P and to collect the PET bottle P. The crushing plate 5 is provided with a stop stopper 10 for temporarily stopping the PET bottle P, and the supplied PET bottle P is cut into the first cutting portion A1. In the first cut portion A1, the PET bottle P is crushed by the lowering of the crush plate 5 of the upper limb, and the crushed PET is formed. The torque P substantially formed so as to be parallel along the predetermined direction, the stop stopper 10
When the upper crush plate 5 rises, a first cut portion A1 is provided between the lower end of the upper crush plate 1 and the upper surface of the lower crush plate 1.
Is formed so as to provide a gap space through which the crushed and cut PET bottle P can pass, and the crushed and cut PET bottle P that has passed through the gap space is provided on the upper surface of the lower crush plate 1. Of the crushed and cut PET bottle P
Is formed so that it can be stopped by the second cutting portion A2. In the second cutting portion A2, the crushed and cut PET bottle P is oriented in a direction crossing the cutting direction at the first cutting portion A1. Is formed so as to be able to be cut substantially in parallel along the line.
In the cutting section A1, the PET bottle P can be securely crushed and cut, and in the second cutting section A2, the crushed and cut PET bottle P can be further reliably cut, and the PET bottle P can be efficiently cut into chips. It is possible to perform continuous cutting work smoothly. As a result, it is useful for automation of the cutting device.

In addition, the structure of the cutting device itself is simplified, the durability is excellent, the structure can be made compact, the maintenance is easy, and the cutting device is economically excellent. As a result, it is possible to contribute to the reuse of used PET bottles P supplied in large quantities, and to use the used PET bottles P as raw material resources.
It will help to make effective use of waste and reduce garbage even if little by little.

In particular, the stop stopper 10 allows the PET bottle P to be reliably stopped at the first cutting portion A1, and the lower end of the stop stopper 10 and the lower end of the stop stopper 10 when the crush plate 5 of the upper limb rises. The plastic bottle P crushed and cut at the first cutting portion A1 can smoothly move (slide) toward the second cutting portion A2 by the gap space formed between the upper surface of the crushing plate 1 and the first cutting portion A1. The plastic bottle P crushed and cut by the stopper projection 12 can be reliably stopped at the second cutting portion A2.

Further, in the apparatus for cutting used PET bottles according to the present invention, the PET bottles connected to the supply of the PET bottles P to the pair of crush plates 1 and 5 and the lifting and lowering operation of the upper crush plate 5 are connected. Since the supply means of P is provided so that the PET bottles P can be continuously supplied to the cutting device one by one in accordance with the elevating operation of the crushing plate 5 of the upper limb, the PET bottles P are surely addressed to the cutting device one by one. And the cutting operation efficiency can be further improved, and it becomes easier to automate.

Further, the method for cutting used PET bottles according to claim 3 is a cutting method for cutting used PET bottles P collected into a chip shape for recycling as a raw material resource. A pair of crush plates 1 and 5 that can be crushed and cut and that are appropriately arranged in an inclined state.
The upper surface of the lower crush plate 1 is slid on the upper surface of the lower crush plate 1 by gravity from the supply of the plastic bottle P to the lower crush plate of the plastic bottle P. 5, the first cutting portion A1 is stopped by the stop stopper 10 attached to the first cutting portion A1.
At the cutting portion A1, the PET bottle P is crushed by lowering the crush plate 5 of the upper limb, and the crushed PET bottle P is cut substantially parallel along a predetermined direction. The crushing plate 5 is raised to raise the stop stopper 10, and a clearance space is appropriately provided between the lower end of the stop stopper 10 and the upper surface of the lower crush plate 1, and the clearance space is crushed by the first cutting portion A1. Then, the cut PET bottle P passes, and thereafter, the crushed PET bottle P that has passed through the gap space is cut by the stopper projection 12 protruding from the upper surface of the lower crush plate 1 by the second stopper projection 12.
The cutting section A2 is stopped, and in this second cutting section A2, the crushed plate 5 of the upper limb is lowered, and the crushed and cut PET bottle P is cut in the cutting direction at the first cutting section A1. The PET bottle P is cut into a plurality of chip pieces along the crossing direction, and the chip pieces can be collected around the stopper protrusions 12. By the lifting / lowering operation of No. 5, the PET bottle P can be reliably crushed and cut in the first cutting section A1, and the PET bottle P can be reliably cut in the second cutting section A2. It can be cut into pieces and collected. As a result, the method is easy to automate. In addition, it is possible to contribute to the reuse of the used PET bottles P supplied in a large amount, and the effective use of the used PET bottles P as the raw material resources and the reduction of the garbage can be steadily useful for the drawing.

In particular, at the first cutting portion A1, the PET bottle P is crushed by lowering the crush plate 5 of the upper limb, and the crushed PET bottle P is cut substantially parallel along a predetermined direction. The crushed and cut PET bottle P that has passed through the gap space is crushed by lowering the crush plate 5 in the second cut section A2, and the crushed and cut PET bottle P is cut into the first cut section. Since the cutting is performed substantially parallel along the direction intersecting the cutting direction at A1, the PET bottle P can be efficiently cut into a plurality of small chip pieces.

In addition, the stop stopper 10 is raised by raising the crush plate 5 of the upper limb so that a clearance space is appropriately provided between the lower end portion of the stop stopper 10 and the upper surface of the crush plate 1 of the lower limb. Therefore, the plastic bottle P before being crushed can be reliably stopped by the stop stopper 10, and the plastic bottle P crushed and cut by the first cutting portion A1 smoothly passes through the gap space.
It is possible to move (slide) to the second cutting portion A2.

[Brief description of the drawings]

FIG. 1 is a schematic front view of a cutting device portion illustrating a process of cutting a plastic bottle.

FIG. 2 is a schematic front view of a cutting device portion illustrating a process of cutting the PET bottle.

FIG. 3 is a schematic front view of a cutting device portion illustrating a process of cutting the PET bottle.

FIG. 4 is a schematic front view of a cutting device portion illustrating a process of cutting the PET bottle.

FIG. 5 is a schematic front view of a cutting device portion illustrating a process of cutting the PET bottle.

FIG. 6 is a schematic plan sectional view of a cutting device portion illustrating a process of cutting the PET bottle.

FIG. 7 is a schematic plan sectional view of a cutting device portion illustrating a step of cutting the PET bottle.

FIG. 8 is a schematic plan sectional view of a cutting device portion illustrating a process of cutting the PET bottle.

FIG. 9 is a schematic plan sectional view of a cutting device portion illustrating a step of cutting the PET bottle.

FIG. 10 is a schematic plan sectional view of a cutting device portion illustrating a step of cutting the PET bottle.

FIG. 11 is a schematic perspective view illustrating a cutting device part.

FIG. 12 is a partially omitted vertical sectional front view illustrating a cutting device;

FIG. 13 is a partially omitted longitudinal front view illustrating a cutting device portion.

FIG. 14 is a partially omitted vertical sectional front view illustrating a cutting device portion.

FIG. 15 is a schematic front view illustrating a supply device portion.

FIG. 16 is a schematic front view illustrating a supply device portion.

FIG. 17 is a partially cutaway schematic front view illustrating another supply device part.

FIG. 18 is a partially cutaway schematic front view illustrating another supply device portion.

FIG. 19 is a partially cutaway schematic front view illustrating another supply device part.

FIG. 20 is a partially cutaway schematic front view illustrating another supply device portion.

FIG. 21 is a schematic front view illustrating another supply device part.

[Explanation of symbols]

A1 First cutting part A2 Second
Cutting part 1 Crush plate 2 Sliding body indentation concave part 3 Receiving plate 4 Resilient spring 5 Crush plate 6 Cutting slide body 7 Resilient spring 10 Stop stopper 11 Stopper insertion hole 12 Stopper protrusion 13 Protrusion relief part 20 Feeding oscillator 21 Supper through-hole 22 Pull-back spring 23 Stopper 24 Cordage 30 Swinging body for feeding 31 Supper through-hole 32 Stopper 33 Stopper 34 Lifting plate 40 Feeding rotary body 41 Partition plate 42 Gear 43 Rack P PET bottle

Claims (3)

[Claims] 1. A cutting device for cutting used PET bottles collected for recycling as a raw material resource into chip pieces, wherein the PET bottles are crushed, and a pair of crushable plates that can be cut are arranged in an appropriately inclined state. The plastic bottle is configured to slide on the upper surface of the lower crush plate by the gravity from the PET bottle supply to the PET bottle collection, and the PET bottle is temporarily stopped on the upper crush plate. The supplied PET bottle is formed so as to be stopped at the first cutting portion, and the PET bottle is crushed by the lowering of the crush plate of the upper part in the first cutting portion. And at the same time, the crushed plastic bottle is formed so as to be cut substantially in parallel along a predetermined direction, and the stop stopper is provided on the upper crush plate. At the time of ascending, a gap space is formed between the lower end portion and the upper surface of the lower crush plate so that the plastic bottle crushed and cut by the first cutting portion can pass therethrough. On the upper surface of the crushing plate, a stopper projection for temporarily stopping the crushed and cut PET bottle that has passed through the gap space is protruded, and the crushed and cut PET bottle is stopped by the second cutting portion. In the second cutting portion, the crushed and cut plastic bottle is formed so as to be cut substantially parallel to a direction intersecting the cutting direction in the first cutting portion. A used PET bottle cutting device, characterized in that: 2. A pet bottle supply means linked to the raising and lowering operation of the upper crushing plate is provided near the plastic bottle supply of the pair of crushing plates, and the pet is supplied with the raising and lowering operation of the upper crushing plate. 2. The used PET bottle cutting device according to claim 1, wherein the bottle is continuously supplied to the cutting device one by one. 3. A cutting method for cutting used PET bottles collected for recycling as a raw material resource into chips, wherein the PET bottles are crushed and cut, and a pair of crushes which are cut and arranged at an appropriate inclination. The upper surface of the lower crush plate in the plate is slid by gravity toward the plastic bottle collection from the plastic bottle feeder and the plastic bottle is slid by the stopper, which is mounted on the upper crush plate. In the first cutting portion, the plastic bottle is crushed by lowering the crushing plate of the upper part in the first cutting portion, and the crushed plastic bottle is cut substantially parallel along a predetermined direction. Then, raise the stop stopper by raising the crush plate of the upper limb, the lower end of the stop stopper and the upper surface of the crush plate of the lower gawa. A gap space is appropriately provided between the first and second cut portions, and the crushed and cut PET bottle passes through the gap space, and then the crushed and cut PET bottle that has passed through the gap space is removed from the lower bottle. Stop at the second cutting part by the stopper projection protruding from the upper surface of the crush plate,
In the second cutting section, the crushed plate of the upper limb is lowered, and the crushed and cut PET bottle is cut substantially parallel to the direction crossing the cutting direction in the first cutting section. A method of cutting a used PET bottle, wherein the PET bottle is formed into a plurality of chip pieces, and the chip pieces can be collected around the stopper projection.