JP3809070B2 - Holes for plastic bottles, volume reduction, cap remover - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a machine capable of effectively and appropriately performing operations such as drilling, volume reduction and uncapping of used PET bottles, and volume reduction of empty cans.
[0002]
[Prior art]
In the past, PET bottles (polyethylene terephthalate, abbreviated PET bottles) have been used as a very convenient container for consumers as well as in the container industry. In recent years, the demand has been increasing and the amount of use has been enormous. The disposal of used plastic bottles has become a social problem.
[0003]
In recent years, small and medium-sized processing facilities with a volume reduction (bale) dimension of 600 mm long x 400 mm wide x 300 mm to 600 mm high cannot meet the demand, so the bale dimensions are 1000 mm long x 1000 mm wide x 1000 mm high. A large volume reduction machine has been forced to change. Moreover, the conventional plastic bottle punching machine has been removed without any function, or has become unusable.
[0004]
From the current situation, troubles at facilities that have already introduced large-scale volume reduction machines are the biggest challenge, mainly among the work processes up to the introduction, and manual cap removal. The time was long and the mechanical ability could not be fully exhibited.
[0005]
In addition, there is a conventional example of a needle that is applied to the punching mechanism shown in FIG. 14A by a needle drum system, but the needle is often stuck in a PET bottle and cannot be removed, and the needle attached to the drum When the cap of the PET bottle was previously positioned, it was necessary to keep the gap of the cap size 30 mm to 40 mm between the counterpart drum and prevent the needle from being damaged. For this reason, the probability of successful drilling of 500 ml size PET bottles was very low. In addition, there is a conventional example of the punching mechanism shown in FIG. In this conventional example, a plastic bottle was poured on an iron apron conveyor, and a drum with a needle shown in FIG. 14 (B) was rotated on the upper part. However, since the needle was hard to stick, it was removed after the test operation.
[0006]
Small to medium-sized volume reduction machines have a built-in mechanism for punching PET bottles with caps, and operate them to release air. Since these air venting operations are added to the pressing process, when making one bale with a bale size of 600 mm long x 400 mm wide x 300 mm high, the operation of the main push cylinder and the charging operation of the plastic bottle must be repeated about 3 times. Any model takes about 6 minutes or more.
[0007]
In order to recycle PET bottles as raw materials, it is necessary to remove PET bottle caps and other foreign substances to ensure quality. Conventionally, there is a cap removal machine in addition to manual work, but all of them have poor work efficiency and can only handle a very small amount.
[0008]
Currently, packer cars, press pack cars or flat body cars with press capability are mainly used to collect PET bottles with caps, and they are carried into intermediate processing facilities. Since the volume cannot be reduced unless it is removed, the transportation cost is very high.
[0009]
Problems to be Solved by the Invention
Therefore, in order to efficiently collect PET bottles with caps, reduce transportation costs, do not require manual cap removal work, have no waiting time for machine operation, and make full use of machine capabilities. Automatic, safe, smooth, quick, efficient and inexpensive bottle drilling, drilling and volume reduction, cap removal, volume reduction of single bottles without caps, and volume reduction of empty cans. It is an object of the present invention to provide a device that has a simple structure and good operability and durability.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, a machine according to the first aspect of the present invention includes a plastic bottle charging hopper, a rotating drum, a box-shaped case in which the rotating drum is installed, a driving device for driving the rotating drum, and a driving device for the driving device. PET bottle punching, volume reduction, cap remover comprising a control device for controlling rotation speed, operation start / end, etc. In the PET bottle, the rotating drum is the same number of PET bottles as the number of punching needles (2). Two rotators having the same cylindrical shape and a circular hole with a circular hole-shaped cap relief hole (3) having a necessary and sufficient area for loosely inserting the caps. The tip of the piercing needle (2) which is pivotally mounted in parallel to the box-shaped case at a predetermined interval and synchronously reversely rotates inward and downward, and protrudes from each rotating body during the reverse rotation. Opened at corresponding positions on the other-side rotating body Cap spill port (3) rotating needle drum is formed so as to match continuously in the center of (1), the holes of the plastic bottle opening comprising by volume reduction, a cap off machine.
[001 1 ]
In order to achieve the above object, the machine according to the invention of claim 2 is characterized in that the rotating drum is formed by a combination of the upper and lower rotating needle drums (1). It is a cap remover.
[001 2 ]
In order to achieve the above object, the machine according to the invention of claim 3 is characterized in that the rotating needle drum (1) has a plurality of generatrixes drawn at equal intervals on the side surface of the right cylindrical cylindrical rotating body and a plane perpendicular to the axis. The perforating needles (2) and the cap relief holes (3) are alternately and evenly arranged at the intersections with a plurality of cut lines cut at equal intervals, and the side surface density is 3 per 100 square meters. A plastic bottle piercing, volume reducing, and cap removing machine according to claim 1 or 2, wherein the number is .84.
[001 3 ]
To achieve the above object, the machine according to the invention of claim 4 is characterized in that the cap relief hole (3) is a circular hole having a diameter of 45 mm. Opening, volume reduction, cap removal machine.
[001 4 ]
In order to achieve the above object, the machine according to the invention of claim 5 is characterized in that the perforated needle (2) has a bottom surface of a conical tip needle portion (21) and a top surface of a central hexagon nut portion (22). A step (24) is formed therebetween, a screw thread (23) is provided around the lower screw portion (23), and the tip needle portion (21) and the hexagon nut portion (22) are quenched. Item 5. A bottle punching, volume reducing, and cap removing machine according to item 2, claim 3 or claim 4 .
[001 5 ]
In order to achieve the above object, the machine according to the invention of claim 6 is characterized in that the predetermined interval of the rotary needle drum (1) can adjust the length of the interval according to the purpose. claim 2, claim 3, drilling according to claim 4 or claim 5, wherein the plastic bottle, volume reduction, a cap off machine.
[001 6 ]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic diagram viewed from the front of the rotating needle drum (1) during operation, and FIG. 2 is a schematic diagram viewed from the side thereof. FIGS. 3 and 4 are explanatory views of positioning of the punch needle (2) and the cap relief hole (3) on the side surface of the rotating body of the rotary needle drum (1).
[001 7 ]
In this embodiment, the rotating body of the rotating needle drum (1) is formed into a cylindrical shape having a height of 620 mm using an STPY steel pipe having an outer diameter of 450 mm and a side surface thickness of 6.35 mm, and disks having a thickness of 12 mm are welded to the upper and lower bottom surfaces. It was fixed and given strength. The rotary shaft (4) was fitted through the center of the upper and lower bottom surfaces, and the central rotating body and the gear mechanism at the outermost end of the shaft were fastened and integrated by a pin and a key. The rotating shaft (4) had an outer diameter of 50 mm and a length of 1011 mm, and the shaft support portions at both ends were precisely finished. As shown in FIG. 4, the center angle of 360 degrees is divided into 40 parts every 9 degrees (arc length 35.3 mm) on the outer periphery of the bottom as shown in FIG. ... Are drawn through the dividing points and parallel to the rotation axis (4). Next, two points 70 mm from the both ends on the bus line α1 are determined, and the length of 480 mm between the two points is divided into 12 points. The 12 divided points and the 70 mm position point are 2 points, 13 points in total. Cut through lines β1, β2,..., Β13 that are parallel to the bottom surface.
[00 18 ]
Thus, 520 intersections of the buses α1, α2,..., Α40 and the cut lines β1, β2,. At these 520 intersections, the perforated needle (2) and the cap relief hole (3) are arranged alternately on the bus line α1... Α40 and on the cut line β1. As a result, the same number 260 of the piercing needle (2) and the cap relief hole (3) are arranged at a uniform density on the side surface of the rotating body without excess or deficiency. The total area where the piercing needle (2) and the cap relief hole (3) are arranged is 45 cm × π × 48 cm = 6786 square meters, and 260 pieces are arranged in this total area, so the arrangement density is 100 square meters. 3.84 per unit. The area of the side surface of the 500 ml plastic bottle that is one of the objects of the drilling operation is about 200 square meters. As a result of the drilling work using 500 ml PET bottles, an average of 6 to 10 holes per PET bottle was opened, which almost coincided with the arrangement density.
[00 19 ]
When the tip of the piercing needle (2) hits the cap of a plastic bottle with a cap, the material of the cap is hard (there is a soft cap, but the material of the drinking mouth of the plastic bottle into which the cap is screwed is always hard) Damaged and not durable. Therefore, the cap escape hole (3) was opened so that the cap would escape even if the tip hit the cap, and the tip of the piercing needle (2) was not damaged. It has been found that a circular relief hole with a diameter of 45 mm is necessary and sufficient for the 500 ml to 4 l PET bottle cap to be securely inserted and escaped. With this as a starting point, the above-described rotating needle drum (1) outer diameter and other dimensions were determined in consideration of the processing amount. Therefore, if the object and the amount of processing are different, naturally the dimensions are different. 1 and 3, the shape of the cap relief hole (3) is indicated by a circle for the sake of convenience, and the α1, α2... Line and the β1, β2.
[00 20 ]
When the rotary needle drum (1) is set horizontally at a predetermined interval between the rotating bodies and rotated backward inwardly of the rotating body, the tip of the punch needle (2) on each drum and the cap relief hole In order for the centers of (3) to coincide with each other, the α1 line of the first rotating body and the α2 line of the second rotating body are set to coincide with each other at the contact point, that is, in a state where the angles are shifted by 9 from each other What is necessary is just to reversely rotate using a mechanism etc., maintaining this state. As a result, even if the tip of the piercing needle (2) of the second rotating body hits the cap of the plastic bottle, the cap is loosely inserted into the cap relief hole (3) of the first rotating body and escapes. The durability of the needle is improved without damaging the needle.
[00 21 ]
FIG. 5 is a front view of the punch needle (2), and FIG. 6 is a plan view thereof. The piercing needle (2) is made of S45C steel and consists of a tip needle portion (21), a central nut portion (22), and a screw portion (23). The distal needle portion (21) is a cone having a diameter of a bottom circle of 6 mm and a height of 10 mm, and the width of the top of the head is 0.3 mm. The central nut portion (22) was formed as a 13 mm hexagon nut. The tip needle portion (21) and the central nut portion (22) were quenched to increase the strength and durability. The step (24) formed between the bottom surface of the tip needle portion (21) and the 13 mm hexagon nut can be easily removed after punching the PET bottle and does not hinder the operation. FIG. 7 is a schematic diagram showing the effectiveness of the stepped hole needle (2). An M10 screw is cut on the outer periphery of the screw portion (23), and this portion is screwed and fixed to the screw hole (5) of the rotary needle drum (1) through a spring washer.
[002 2 ]
FIG. 8 and FIG. 9 are schematic views showing the operating state of the rotating needle drum (1). FIG. 8 shows the case where the distance between the rotating bodies of the rotating needle drum (1) is set to 45 mm, and FIG. 9 shows the case where it is set to 18 mm. As shown in FIG. 8, since the space | interval of a rotary body is larger than the outer diameter of a cap (P), the thread part of the PET bottle in which the cap (P) is screwed by a needle | hook is not broken. Further, FIG. 8 shows that the tip of the piercing needle (2) hits the cap (P) at the position where the interval between the rotating bodies is the smallest while the rotating body of the rotating needle drum (1) is rotating in the direction of the arrow. The cap (P) is shown loosely inserted into the cap relief hole (3). On the other hand, in the case of FIG. 9, since the interval between the rotating bodies of the rotating needle drum (1) is smaller than the outer diameter of the cap (P), the screw portion of the PET bottle in which the cap (P) is screwed by the needle. If the needle is broken and the needle sticks into the drinking mouth of the plastic bottle, the cap (P) is blown off by the impact force. The screw part of a PET bottle is strong against static pressure but weak against impact force. In the case of a soft cap (P), there is elasticity per se, but the screw part of a plastic bottle is weak against impact force, so it is crushed by a needle and then blown away.
[002 3 ]
(In Figure 1 1, the display in the rotation shaft of the dashed line (4)) 1 1 rotating needle drum (1) is a perspective view of the collection vehicle equipped with, and FIG. 1. 2 is a schematic diagram showing the operation. Although the collection vehicle has a pressing capability, a PET bottle with a cap cannot be reduced unless the air inside is removed. By installing the rotating needle drum (1) installed in the box-type case (8) with the tray (8) at the rear of the packer car and press pack car of the collecting vehicle, it is possible to quickly reach 100% of the PET bottles with caps. A hole is drilled in and flows into the vehicle and is reduced in volume by a press device in the vehicle. The driving force of the rotating needle drum (1) is easily connected to the hydraulic motor used by the vehicle. The residual liquid in the PET bottle is discharged from the hole opened by the rotating needle drum (1), flows into the vehicle-side sewage tank (11) through the sewage hose (10), and does not stain the inside of the vehicle. In this embodiment, the box-type case (8) with the tray (9) on which the rotating needle drum (1) is mounted is provided outside the collection vehicle, but it can also be a drawer-type interior.
[002 4 ]
Although the rotary drum of the rotary needle drum (1) has been mainly described above, a box-type case that pivotally supports and stores them, a hopper attached to the top of the box-type case, the rotary needle drum (1), and an automobile tire 2.2KW motor (3 horsepower) for driving the drum (6), a driving force transmission roller chain, a gear mechanism, a bearing and other driving devices, and a control device for controlling the rotational speed, operation start / end, etc. of the driving device The dependent components of the present invention were constructed and implemented using conventional techniques.
[002 5 ]
【The invention's effect】
As explained above, in the plastic bottle punching, volume reduction and cap removing machine according to the invention of claim 1, the rotating needle drum (1) smoothly swallows the plastic bottle without dancing, In addition, 6 to 10 holes can be automatically and quickly opened in a small 500 ml PET bottle main body, thus facilitating volume reduction. Since this rotary needle drum (1) has a simple structure, it can easily cope with the required processing amount of the PET bottle processing facility.
[002 6 ]
A cap of a PET bottle with a cap by a rotary drum in which the interval between the first rotary needle drum (1) and the second rotary needle drum (1) according to the invention of claim 2 is combined and narrowed. Can be removed. Conventionally, the cap is manually removed and there are machines for removing the cap. However, all of them have poor work efficiency and can only handle a very small amount. Therefore, by letting the rotating needle drum (1) pass before putting the plastic bottle into the large volume reducer, the operation waiting time of the large volume reducer is eliminated and full operation becomes possible. About 60% of cap bottles pass through the first rotating needle drum (1) and are then dropped into the second rotating needle drum (1), about 30% of the remaining 40%. % Cap is removed. Plastic bottle caps are flexible enough to be crushed even when a very strong force is applied.
[002 7 ]
According to the rotating needle drum (1) according to the invention of claim 3 , for example, in the case of a 500 ml plastic bottle, the punching needle (2) and the cap relief that are sufficient to make 6 to 10 holes in the plastic bottle are provided. The arrangement surface density of the holes (3) can be secured, and while the two rotating bodies of the rotating needle drum (1) are rotating in the reverse direction, the tip of all the punching needles (2) on each rotating body is rotated on the other side. Align continuously with the center of all cap relief holes (3) on the body to prevent damage to the tip of the piercing needle (2).
[002 8 ]
According to the cap relief hole (3) of the invention of claim 4 , by adopting a diameter of 45 mm, the cap of the PET bottle with a 500 to 4000 ml cap can be easily loosely inserted and escaped, and the tip of the piercing needle (2) Prevent damage.
[002 9 ]
According to the piercing needle (2) according to the invention of claim 5 , it is durable and hard to be worn by quenching, can be quickly replaced with a hexagon box wrench, and the maintenance workability is improved. Even if the cap of the PET bottle hits the tip of the tip needle portion (21) of the piercing needle (2), the cap portion escapes into the cap relief hole (3) of the counterpart rotating body, so the needle does not wear. Further, the step between the tip needle portion (21) and the hexagon nut portion (22) makes it easy to remove the needle and does not hinder driving.
[003 0 ]
The predetermined interval between the rotating bodies of the rotating needle drum (1) according to the invention of claim 6 is configured such that the interval can be freely adjusted, so that the probability of opening a plastic bottle by the rotating needle drum (1) is increased. 100%.
[003 1 ]
[Brief description of the drawings]
FIG. 1 is a schematic view (partially omitted) viewed from the front of a rotating needle drum (1) during operation.
FIG. 2 is a schematic view (partially omitted) viewed from the side of the rotating needle drum (1) during operation.
FIG. 3 is an explanatory view of positioning of a punch needle (2) and a cap relief hole (3) on a side surface (upper half is a cross-sectional view) of a rotating needle drum (1).
FIG. 4 is an explanatory view of positioning of a piercing needle (2) and a cap relief hole (3) on a side surface of a rotating needle drum (1).
FIG. 5 is a front view of a piercing needle (2).
FIG. 6 is a plan view of a piercing needle (2).
FIG. 7 is a schematic diagram showing a step of a piercing needle (2).
FIG. 8 is a schematic view showing an operating state of the rotating needle drum (1).
FIG. 9 is a schematic view showing an operating state of the rotating needle drum (1).
Figure 1 0 is a perspective view of a vehicle equipped with a rotating needle drum (1).
FIG. 1 1 is a schematic diagram showing the operation of a vehicle equipped with a rotating needle drum (1).
Figure 1 2 is an explanatory diagram showing a conventional example of a drilling needle.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Rotating needle drum 2 Hole piercing needle 3 Cap relief hole 4 Rotating shaft 5 Screwing hole 8 Box-shaped case 9 Tray 10 Sewage hose 11 Vehicle side sewage tank 21 Tip needle part 22 Central nut part 23 Screw part 24 Step
P plastic bottle
C PET bottle caps α1, α2... Α40 The generatrix β1, β2… β13 α1, α2… α40 parallel to the axis of rotation (4) on the side surface passing through the dividing point 40 on the outer periphery of the bottom surface of the rotating needle drum (1) Cut line that divides the center 480mm part into 12 at right angles to the rotation axis (4)

Claims (6)

PET bottle comprising a hopper for charging a PET bottle, a rotating drum, a box-shaped case that houses the rotating drum, a driving device that drives the rotating drum, and a control device that controls the rotational speed, operation start / end, etc. of the driving device In the drilling, volume reduction and cap removal machine of
The rotary drum is provided with a number of perforated needles (2) and the same number of round cylinders having a circular cap relief hole (3) having an area necessary and sufficient for loosely inserting a cap of a PET bottle. Two rotating bodies having the same shape, the two rotating bodies being pivotally mounted in parallel to each other in a box-shaped case at predetermined intervals, and synchronously rotating inward and downward, During reverse rotation, the tip of the piercing needle (2) projecting from each rotating body is continuously aligned with the center of each cap relief hole (3) opened at the corresponding position on the counterpart rotating body. A bottle punching, volume reduction and cap removing machine characterized by comprising a rotating needle drum (1) formed.   The bottle punching, volume reduction, and cap removing machine according to claim 1, wherein the rotating drum is a combination of the upper and lower rotating needle drums (1).   The rotating needle drum (1) is formed at the intersection of a plurality of generatrix lines drawn at equal intervals on the side surface of the right cylindrical cylindrical rotating body and a plurality of cut lines cut at equal intervals on the axis perpendicular plane. 3. The PET bottle according to claim 1, wherein the open needles (2) and the cap relief holes (3) are alternately and evenly disposed, and each side surface density is 3.84 per 100 square meters. Hole drilling, volume reduction, cap remover.   4. The bottle punching, volume reduction and cap removing machine according to claim 1, wherein the cap relief hole (3) is a circular hole having a diameter of 45 mm. The hole-piercing needle (2) has a step (24) formed between the bottom surface of the conical tip needle portion (21) and the upper surface of the central hexagon nut portion (22), and a lower screw portion (23). 6. A plastic bottle piercing according to claim 1, 2, 3 or 4 , wherein a screw thread is circumferentially provided and a tip needle portion (21) and a hexagonal nut portion (22) are quenched. , Volume reduction, cap remover. 6. The bottle according to claim 1, 2, 3, 4, or 5 , wherein the predetermined interval can be adjusted according to the purpose. , Cap remover.

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