JP5956406B2 - Apparatus and method for breaking bag of packaging body such as container bag - Google Patents

Description

  The present invention relates to an apparatus and a method for breaking a large package wrapped in a bag represented by a flexible container bag and difficult to handle without using a machine in order to take out the contents.

  Flexible container bags (bags) are a bag-like packaging material for storing and transporting packages of powder and granular materials, and are also called flexible containers, container bags, and flexible container bags for short.

  It is composed of sheets and belts woven with strong chemical fibers such as polyethylene and polypropylene, and is suitable for packing and transporting pulverized substances such as grains, feed and earth and sand. Can be filled.

  A long loop part of a durable suspension belt that supports the entire bag is attached to the top, making it suitable for lifting a bag with a forklift or crane. The storage is performed from the upper opening, and the opening can be closed by a gusset portion.

  Regarding the unpacking of the bag, for example, in a bag containing powder, a zipper is provided on the bottom surface of the bag, the bag is lifted by a crane or the like through the suspension belt, and the zipper is opened to unpack the bag. In this case, the contents can be easily discharged and the bag can be reused.

  However, if the contents are not limited to powder, especially those containing materials removed and isolated by decontamination in the reconstruction work after the Great East Japan Earthquake, the contents are heterogeneous and partially solidified (silt, clay, etc. It is also assumed that fine particles are solidified by wetting, wetness of organic matter, or a mixture of these, etc.), and it is considered difficult to discharge the contents by opening the zipper.

  Also, in the case of containing items removed / isolated by decontamination, the bag itself may also be radioactively contaminated. Therefore, it is considered that the bag itself will be disposed of together as one-way use. Often used. In this case, as a pretreatment at the time of final disposal, it was necessary to take out the contents by breaking the bag.

The following Patent Documents 1 and 2 have been proposed to facilitate this take-out operation.
JP-A-10-167234 (one-way type container back opening device) JP-A-4-57728 (flexible container bag opening machine)

  In Patent Document 1, a pierced metal fitting for drilling a back in a hopper and a blade for bag breaking arranged in a flat star shape are provided, and the bag is broken just by suspending the bag in the hopper. It is designed to be taken out inside.

  That is, as shown in FIGS. 6 and 7, as a means for opening, the main body 1 is provided with a burr fitting 2 and a cutting fitting 3, and a wire mesh 4 is disposed below. Further, the upper half of the cutting bracket is provided with a blade portion 5.

  The opening method, as shown in FIG. 7, lowers the container back suspended by the hoist onto the opening device, pierces the bottom with the burr fitting installed at the top, and further spreads it with the cutting fitting, Perform unpacking work. In the figure, 6 is the hopper, and 7 is the contents of the container bag.

  Moreover, if the blade part 5 is provided in the upper half of the cutting bracket, the opening can be cut open, which is more efficient. When the container bag is torn, the contents are easily discharged by its own weight, so that the discharge operation is performed by a simple operation.

  Although illustration is abbreviate | omitted in patent document 2, the blade body for bag breakage is inserted in the side surface of the back | bag mounted in the process stand, and the baseplate of a process stand comes off, As a result, the bag is broken and the contents are broken. It can drop and take out its own weight.

  The bag-breaking methods described in Patent Document 1 and Patent Document 2 use mechanical means such as a bag-breaking machine, and it is necessary to hang bags individually and put them into a bag-breaking machine or the like for processing. The work will be intermittent.

  Further, since the bag itself remains after the contents are taken out, the processing procedure must be prepared separately. For this reason, there is a limit in obtaining improvement in throughput by continuous work.

  For example, as in the reconstruction work after the Great East Japan Earthquake, in the future, there will be a demand for mass processing of items removed and isolated by decontamination. It is desired that the bag itself can be disposed of at the same time.

  The object of the present invention is to eliminate the inconvenience of the conventional example, and to continuously perform the work, to efficiently take out the contents stored in the package, and to dispose of the package itself at the same time. An object of the present invention is to provide a bag breaking apparatus and method.

In order to achieve the above object, the present invention according to claim 1 has, as an apparatus, a continuous input port for a package , and a bag breaking means is provided below the input port, and the input package is dropped one by one. The gist consists of a vertical chute to be made and a crusher provided at the outlet of the chute below the bag breaking means .

The present invention described in claim 6 has, as a method, providing a bag opening means under the vertical opening of the vertical chute, which has a continuous charging port for the package, and drops the packed packages one by one. Using a device provided with a crusher at the chute outlet part below the bag breaking means , the package is continuously conveyed to the chute inlet and below the inlet while falling inside the chute The package is torn by the bag breaking means, and the package that has been broken is stacked in the chute with the package and the contents integrated, and is inserted into the crusher at the chute outlet with an appropriate pressing force by its own weight. Is the gist.

  According to the first and sixth aspects of the present invention, the chute allows the package to fall, and the package can be continuously fed from the slot. The loaded package is broken by the bag breaking means below the loading port, and the contained items can be taken out efficiently, and the taken-out contained items and the package can be destroyed and destroyed at the same time by a crusher at the chute outlet. Alternatively, in the bag-breaking means, cuts are made in the package as necessary, and the package and contents are temporarily stored in a mixed state and continuously fed to the crusher at the outlet while sliding inside the chute under its own weight. It is done. Thus, even if the package is intermittently charged, the processed product can be continuously sent to the crusher, and the package after the bag breakage does not remain.

  In the present invention described in claim 2, the bag breaking means is a rotary cutting blade, in the present invention described in claim 3, the bag breaking means is a fixed cutting blade, and in the present invention described in claim 4, the bag breaking means The gist is that the means is a grater protrusion.

  According to the second aspect of the present invention, the bag breaking means can actively break the bag by rotating the blade as a rotary cutting blade. According to the third aspect of the present invention, the mechanism for rotating the blade. Without using a sack, the bag can be broken by using the momentum of the fall of the packaging body on the chute. According to the invention of claim 4, the momentum of the fall of the packaging body on the chute can be utilized regardless of the blade. The bag can be broken finely by tearing with a grater-like protrusion.

  The gist of the present invention described in claim 5 is that the crusher is a rotary breaker.

  According to this invention of Claim 5, continuous processing is attained by the crushing action which consists of a combination of a roller by using a rotary type breaker as a crusher.

  As described above, the bag breaking apparatus and method for a packaging body such as a container bag according to the present invention can continuously perform the bag breaking operation, efficiently take out the contents contained in the packaging body, and also provide the packaging body. It can be disposed of at the same time, and is ideal for, for example, mass processing of items removed and isolated by decontamination in the post-Great East Japan Earthquake reconstruction project.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal side view showing a first embodiment of a bag breaking apparatus for a packaging body such as a container bag of the present invention, FIG. 2 is a longitudinal side view showing a processing state of the same, and 8 in the figure is a packaging body such as a container bag. Show.

The apparatus of the present invention is mainly composed of a vertical chute 9 for dropping the packaging bodies 8 one by one. The chute 9 has a continuous inlet 10 for the packaging body, and the bag breaking means 11 is provided below the inlet 10. And a crusher 14 is provided at the outlet 13.

  The continuous charging port 10 opens at the upper end of the cylindrical chute body while spreading in a hopper shape. The continuous charging port 10 is provided with a feeding mechanism 15 for the package 8. The feeding mechanism 15 is of a slide type or of a belt conveyor type, and a gate 16 is provided at the boundary with the continuous inlet 10.

  As another embodiment, it is conceivable to directly insert the packaging body 8 suspended by a crane or the like without providing such a feeding mechanism 15. Control means such as a gate is provided so as to fall to the bag breaking means 11.

  The bag breaking means 11 is a rotary cutting blade 17 in this embodiment, and when an axical blade is rotated by a drive shaft as shown in the drawing, moves inside and outside the chute 9 and enters inside the chute 9. The package 8 is cut into pieces. Further, the rotary cutting blades 17 are provided in a pair of left and right, and the package 8 is sandwiched from both sides so as to be broken. Desirably, the drive is an electric type or a fluid type (pneumatic or hydraulic), but this is not limited as long as it can be driven.

  In the illustrated example, the rotary cutting blade 17 is rotated in the vertical direction, but may be in the horizontal direction.

  Furthermore, the rotary cutting blade 17 can be a disk-shaped one.

  FIG. 3 shows a second embodiment, and the bag breaking means 11 is a fixed cutting blade 18. This fixed cutting blade 18 projects from the inner wall surface of the chute 9, and in addition to a semicircular or arcuate blade as shown in the figure, a divergent triangular shape or a centrally shaped rhombus blade can be used. Arranged in pairs or radially.

  FIG. 3 shows a third embodiment, in which the bag breaking means 11 is provided with a grazing projection 19. The grazing projections 19 are torn rather than to cut the package 8, and are provided on the inner wall surface of the chute 9 so as to be arranged in a number of planes and in a plurality of stages in the vertical direction.

  In the first to third embodiments, the crusher 14 is a rotary type breaker, and various forms are conceivable. However, rollers 20a and 20b (illustrated) attached rotatably around a horizontal axis. Then, it consists of a combination of gears.

  As shown in FIG. 5, the bag breaking apparatus A for a packaging body such as a container bag according to the present invention can be installed in a processing plant and systemized. The primary processing α performs bag breaking and destruction, the secondary processing β classifies, and the tertiary processing γ classifies flammable and nonflammable. After that, it is divided into those sent to the intermediate treatment facility, those sent to the recycling facility after cleaning, and those sent to the incineration facility.

The specific work flow is as follows.
(1) The packaging body 8 (back) is carried in by a dump truck or the like, and the packaging body 8 is loaded and unloaded in the carry-in yard.

(2) The package 8 (back) is aligned in one or more carry-in lanes and sent to the chute 9 of the bag breaking device A provided in each lane.

(3) Put the package 8 (back) into the chute 9.

(4) The package 8 (back) drops the chute 9 and tears it from the surface by the bag breaking means 11. Alternatively, the entire chute 9 with blade body may be dropped while rotating like a dewatering tank. If the package 8 (back) is in a weathered and easily torn state, the bag can be broken only by the crusher 14 at the subsequent stage, so that the operation without the operation of the bag breaking means 11 is also possible.

(5) The cut package 8 (back) is mixed with the contents 21 and temporarily accumulated in the chute 9.

(6) The chute 9 may be vibrated so as to promote sliding at this time by sliding the mixture of the package 8 (back) and the contents 21 by its own weight by installing the chute 9 vertically or with an appropriate gradient. .

(7) At the exit portion 13 of the chute 9, the mixture is inserted into the crusher 14 with an appropriate weight as a pressing force.

(8) The mixture after crushing is sorted as separated garbage in a dry specific gravity separation plant.

It is a vertical side view which shows 1st Embodiment of the bag breaking apparatus of package bodies, such as a container bag of this invention. It is a vertical side view which shows the processing state which shows 1st Embodiment of the bag breaking apparatus of package bodies, such as a container bag of this invention. It is explanatory drawing which shows 2nd Embodiment of the bag breaking apparatus of packaging bodies, such as a container bag of this invention. It is explanatory drawing which shows 3rd Embodiment of the bag breaking apparatus of package bodies, such as a container bag of this invention. It is a top view of a processing yard. It is a vertical side view of a prior art example. It is a perspective view which shows the use condition of a prior art example.

DESCRIPTION OF SYMBOLS 1 ... Main body 2 ... Puncture metal fitting 3 ... Cutting metal fitting 4 ... Wire mesh 5 ... Blade part 6 ... Hopper 7 ... Contents of container bag 8 ... Packaging body 9 ... Chute 10 ... Continuous inlet 11 ... Bag breaking means 13 ... Outlet Part 14 ... Crusher 15 ... Feeding mechanism 16 ... Gate 17 ... Rotary cutting blade 18 ... Fixed cutting blade 19 ... Grater-like projections 20a, 20b ... Roller 21 ... Contents

Claims (6)

A continuous chute for the package , provided with a bag breaking means below the chute, a vertical chute for dropping the packed packages one by one , and an outlet for the chute below the bag breaking means A device for breaking bags of a packaging body such as a container bag, characterized by comprising a crusher provided in the container.   The bag breaking device for a package body such as a container bag according to claim 1, wherein the bag breaking means is a rotary cutting blade.   The bag breaking device for a package body such as a container bag according to claim 1, wherein the bag breaking means is a fixed cutting blade.   The bag breaking device for a package body such as a container bag according to claim 1, wherein the bag breaking means is a grater-like protrusion.   The crusher is a rotary type breaker, The bag-breaking device for a package body such as a container bag according to any one of claims 1 to 4. A bag breaking means is provided below the charging opening of the vertical chute that has a continuous charging opening for the packaging body and drops the loaded packaging bodies one by one , and a chute outlet portion is provided below the bag breaking means. Using a device equipped with a crusher, the package is continuously transported to the chute inlet, and the package is torn and broken by the bag breaking means below the inlet while dropping inside the chute. The package is packed in the chute and packed in the chute, and its own weight is inserted into the crusher at the chute outlet with an appropriate pressing force. Method.

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