JP3172357B2 - Case removal mechanism for tobacco raw material case - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rectangular cylindrical box forming a rectangular parallelepiped accommodating space, which is filled with tobacco raw material, and a plate is disposed at two openings of the box. By closing the periphery with a flap having a short folding length and packing, the tobacco raw material case that can save space and cost at the storage place, to remove the plate and box when unpacking the tobacco raw material case The present invention relates to a case removing mechanism for a tobacco raw material case.

[0002]

2. Description of the Related Art Conventionally, in a tobacco raw material factory, deboned leaves, which are raw materials of tobacco, are packed in a warehouse and stored in a warehouse. However, since such a raw material is wooden and heavy, there is a problem in energy saving during transportation. Further, since the barrel has the shape of a barrel and the barrel itself has a large volume, there is a problem in that space is saved in consideration of the storage amount of the raw material.

[0003] Therefore, it is also practiced to pack and remove boning leaves in a cardboard box. However, since the boxed ones are stacked and stored for a long time, the cardboard box is required to have a certain strength. For this reason, for example, the body and the lid of the cardboard box were made to the same depth, but such cardboard boxes require a lot of corrugated paper to have strength despite being disposable. There was a problem in terms of cost.

[0004]

On the other hand, as shown in FIG. 14, for example, a box having a rectangular parallelepiped facing opening formed by bending a single cardboard and having a flap f around the opening. B and 2 to protect the deboned leaves from moisture
The tobacco raw material case 1 is made up of two sheets of moisture-proof paper S and two sheets of, for example, wooden plywood P, which close the opening of the box B, and the bone removal leaf T is squeezed into the box B as shown in FIG. The above-mentioned problem is solved if the moisture-proof paper S and the plywood P are arranged and packed in the opening of the box B. In FIG. 15, a part is crushed and shown.

That is, since the box B can be made of cardboard or the like, the case itself does not occupy a large volume. Further, since the plywood P is disposed at the opening, the width of the flap f can be reduced. The strength of the tobacco raw material case 1 can be maintained.

However, when dealing with such tobacco raw material cases, it is required to automate the case unpacking process.

According to the present invention, as described above, a tobacco raw material is filled in a rectangular cylindrical box, a plate is disposed in an opening, and the periphery of the opening is closed by a flap having a short length and packed. It is an object of the present invention to provide a case removing mechanism suitable for automating the removal of a plywood or other plate and box in order to take out the tobacco raw material case.

[0008]

According to the present invention, there is provided a case removing mechanism for a tobacco raw material case which fills a rectangular cylindrical box forming a rectangular parallelepiped accommodating space with a tobacco raw material. A tobacco raw material having a plate disposed at two opening portions of the box body, and a flap formed by folding the opening portion around the opening portion and shortening the length to the inside to hold the periphery of the plate member. For the case, the tobacco raw material case is removed by removing the plate body of one opening, the tobacco raw material case is turned upside down, the opening is placed down, and the other plate located at the top of the tobacco raw material case A case removing mechanism for removing the body and the box from the tobacco material filled in the tobacco material case, wherein a pair of claw portions respectively penetrating upper portions of the side faces of the box in the tobacco material case. Yo Comprising a clamping and means for bitten the the box body, and the air introduction groove formed as claw portion in the through direction of the respective claw portions, and a lifting means for lifting said clamping and means Te,
The box body is held by the claw portion of the holding means, the box body and the upper plate body are held by the claw portions, and the holding means is raised by the lifting / lowering means, thereby lowering the box body. And wherein the plate and the box are removed from the tobacco material.

[0009]

The case removing mechanism of the tobacco raw material case of the present invention fills a tobacco raw material into a rectangular cylindrical box forming a rectangular parallelepiped accommodating space, and arranges a plate at two opening portions of the box. For the tobacco material case, in which the flap formed by shortening the length of the opening around the opening is bent inward to hold the periphery of the plate, the tobacco material case is removed from the plate of one opening. The tobacco material case is turned upside down, and the opening is placed downward, and the other plate and the box located at the top of the tobacco material case are filled with the tobacco material case. It is a mechanism to remove from the raw material.

[0010] The gripping means grips the box with a pair of claws penetrating the upper portions of the opposite sides of the box in the tobacco raw material case, and holds the box and the upper plate with the claws. . Then, when the lifting means raises the biting means, air is introduced into the inside of the box from the air introduction groove formed in the claw portion, and the tobacco raw material is extracted from the lower part of the box, and the plate and the box are removed. Is done.

The moisture-proof paper described with reference to FIG. 14 is removed in the same manner as the plate before turning the tobacco raw material case upside down, and further turning upside down. When the box and the plate are held by the claw, the moisture-proof paper is held together with the plate by the claw and can be removed together with the plate and the box.

[0012]

FIG. 1 is a view showing an example of an unpacking method using a case removing mechanism for a tobacco raw material case according to an embodiment of the present invention. This embodiment uses the tobacco raw material described with reference to FIGS. Disassemble the case. In addition,
The dimensions of the cardboard frame B of the tobacco raw material case (hereinafter, simply referred to as “raw material case” in this embodiment) 10 in this embodiment are, for example, as shown in the following Table 1 and FIG.

[0013]

[Table 1]

In the raw material case 10, the band is opened in the previous step, and as shown in FIG. 1, the raw material case 10 with the band opened is supplied with one opening upward. next,
The flap raising lever 144c is inserted into the gap between the flap f and the plywood P from between the opposing flaps f of the opening at the upper part of the raw material case 10 to raise the flap f. After the suction mechanism 145 is lowered and raised in the opening to suck and remove the plywood P in the opening, the suction mechanism 145 is lowered and raised again to suck and remove the moisture-proof paper S in the opening as shown in FIG. Then, the top of the raw material case 10 is opened so that the bone removal leaves T are exposed. Then, the flap f at the upper opening of the raw material case 10 is bent inward as shown in FIG.

When the plywood P and the moisture-proof paper S are removed and the flap f at the opening is closed, the pallet 20 is applied to the upper part of the raw material case 10 as shown in FIG. The raw material case 10 is turned upside down together with the pallet 20 as shown in FIG.

Then, by the case removing mechanism of the embodiment,
Raw material case 10 inverted on the pallet 20
The claw portion 43a is pierced into the upper side of the material box to open an air introduction hole, and the claw portion 43a penetrating through the side surface of the cardboard frame B of the raw material case 10 and the plywood on the upper portion of the raw material case 10 as shown in FIG. P and moistureproof paper S are held and lifted, and bone removal leaves T are extracted from the lower part of the cardboard frame B.

In this embodiment, since an air introduction hole is made in the side surface of the cardboard frame B by the claw 43a, the claw 43a holds and lifts the box B and the plywood P on the upper part of the raw material case 10. At the same time, air enters the inside of the cardboard frame B from the air introduction hole, and at the same time, the boning leaves T escape from the lower part of the cardboard frame B onto the pallet 20 by their own weight. Therefore, the cardboard frame B and the plywood P can be separated from the bone removal leaf T, and only the bone removal leaf T can be easily collected on the pallet 20.

In this embodiment, since the plywood P and the moisture-proof paper S on one side are removed by opening the flap f at the opening, they can be reliably removed by the suction mechanism 145. In the step of turning the raw material case 10 upside down together with the pallet 20, a conventional reversing machine for turning the raw material upside down can be used.

FIG. 2 is a plan view of the unpacking step provided with a case removing mechanism for the tobacco raw material case according to the embodiment of the present invention. This unwrapping step removes plywood and moisture-proof paper from the top of the raw material case 10. Opening device 1 to open the top
A reversing machine 2 for reversing the raw material case 10 from which the plywood and the moisture-proof paper have been removed, and a pallet feeder 3 for supplying a pallet 20 serving as a bottom plate of the raw material case, which has been turned upside down. A case removing device 4 is provided as a case removing mechanism for removing the bone removal leaf onto the pallet 20 by pulling up the frame, the remaining plywood and the moisture-proof paper.

Further, the raw material case 10 is provided for the carry-in conveyor 10.
By 0, it is carried in with the opening up and down, and is supplied onto the elevating conveyor 200. Further, the lifting conveyor 20
The raw material case 10 from which the plywood and the moisture-proof paper have been removed by the case opening device 1 is supplied to the reversing machine 2 by the lifting conveyor 200 and the connecting conveyor 300.

On the other hand, the pallet 20 is sent out onto the transfer conveyor 400 by the pallet feeder 3, and is supplied to the reversing machine 2 by the transfer conveyor 400 before the raw material case 10. Then, the pallet 20 inverted by the inverter 2
And the raw material case 10 are placed on the pallet 20.
Is transported from the reversing machine 2 to a position below the case removing device 4 by the transport conveyor 400 in a state where is placed.

FIG. 6 is a front view of the case opening device 1.
A column 12 is erected on a base 11 arranged beside the elevating conveyor 200, and a main arm 13 extending horizontally is attached to the column 12 so as to be able to move up and down. Is provided with an open suction device 14.

An auxiliary arm 15 which is substantially parallel to the main arm 13 is attached to the upper end of the column 12, and an open suction device 14 is provided at the tip of the auxiliary arm 15 to reduce the load on the main arm 13. The winch 16 is hung by a predetermined force.

The main arm 13 and the auxiliary arm 15
Is rotated in a range of approximately 90 degrees as shown by the arrow in FIG. 2, and the main arm 13 is moved up and down with respect to the column 12 while maintaining the horizontal state as shown by the arrow in FIG. . As a result, the open suction device 14 moves the lifting conveyor 200
The reciprocating movement is performed between the reciprocating unit and the collecting unit 500, and the unit is moved up and down above the elevating conveyor 200 and above the collecting unit 500.

FIG. 7 is a plan view of the open suction device 14, FIG. 8 is a front view, and FIG.
Is a base 141 attached to the tip of the main arm 13,
The flap holding substrate 14 provided on the base 141
2, and a vertical frame 143 erected in the center of the flap holding substrate 142 constitutes a frame of the main body.

Four slide shafts 142a are erected on the flap holding substrate 142. The flap holding substrate 142 and the vertical frame 143 are connected to the four bearings 1 of the base 141 through the slide shaft 142a through the spring 142b.
41a, and the upper end of the vertical frame 143 is hung by the winch 16 so that the base 141
Is mounted to be swingable.

On the left and right side surfaces of the vertical frame 143, a flap raising mechanism 144 is provided inside and a suction mechanism 145 is provided outside.

The flap raising mechanism 144 mounts a horizontal cylinder 144b on a drive shaft of a vertical cylinder 144a, and furthermore, a "C" at the lower part of the horizontal cylinder 144b.
A flap raising lever 144c, which is shaped like a letter and whose lower end extends horizontally, is attached to the drive shaft of a horizontal cylinder 144b. The horizontal cylinder 1
A flap bending plate 144d inclined downward and outward is attached to the drive shaft 44b.

The suction mechanism 145 is connected to the vertical cylinder 1
The bearing plate 145b is attached to the drive shaft 45a, and the bearing plate 1
A pair of suction pipes 145e are slidably supported on a bearing 145c of a 45b through a spring 145d, and a suction cup 145f is attached to the tip of the suction pipe 145e. The suction force is applied to the suction cup 145f by a suction device (not shown) via a suction pipe 145e.

FIG. 10 is a view for explaining the operation of the flap raising mechanism 144 and the suction mechanism 145. As shown in FIG. 10A, the flap raising mechanism 144 drives the vertical cylinder 144a to drive the horizontal cylinder 144b. And the horizontal cylinder 144b is driven to move the flap raising lever 144c and the flap bending plate 144d back and forth.

As shown in FIG. 10B, the suction mechanism 145 lowers the suction cup 145f and the suction pipe 145e by the elastic force of the spring 145d by driving the vertical cylinder 145a.
Contact. When the suction cup 145f contacts the plywood P, the suction pipe 145e rises relatively to the bearing 145c against the elastic force of the spring 145d.

FIG. 11 is a view for explaining the flap raising operation and the plywood removing operation by the flap raising mechanism 144 and the suction mechanism 145. In the same figure, the flap raising mechanism 144, the suction mechanism 145 and the raw material case 10
Is shown on only one side, but the other side performs the same operation.

First, the raw material case 10 is moved up and down the conveyor 20.
When the open suction device 14 is stopped at a predetermined position, the open suction device 14 descends and stops at the predetermined position, and drives the vertical cylinder 144a and the vertical cylinder 145a to drive the flap raising lever 14.
4c and the suction cup 145f are lowered and brought into contact with the plywood P as shown in FIG.

Next, a suction force is applied to the suction cup 145f to suck the plywood P, and the horizontal cylinder 144b of the flap raising mechanism 144 is driven to move the flap raising lever 144c to the plywood P as shown in FIG. 11B. And flap raising lever 144c inserted between flap f
Stops at a position where the leading end of is just before the base of the flap f.

Next, the vertical cylinders 144a and 145a are retracted, and the flap raising lever 144c is first raised as shown in FIG. 11C to raise the flap raising lever 144c.
Raise flap f at the tip of. At this time, the suction cup 1
45f is the suction tube 14 when it comes into contact with the plywood P.
5e is retracted to the bearing 145c side by the amount of the spring 14
The plywood P is in contact with the plywood P by the elastic force of 5d, and from the time when the vertical cylinder 145a is retracted by a predetermined amount, the plywood P is sucked by the suction cup 145f and rises.

When the retraction of the vertical cylinders 144a and 145a is completed, the open suction device 14 is raised, and FIG.
The plywood P is picked up from between the flaps f and removed from the raw material case 10 as shown in FIG. When the plywood P is held by the suction mechanism 145, the open suction device 14 is moved above the collection unit 500 by the rotation of the main arm 13, and the suction force of the suction cup 145g is released to release the plywood P.
And is collected by the collection unit 500.

Next, the open suction device 14 is moved up and down the conveyor 2
Then, the moisture-proof paper S is removed from the raw material case 10 by the suction mechanism 145 by performing the same operation as described with reference to FIG. to recover.

As described above, when the plywood and the moisture-proof paper are removed from the raw material case by the suction mechanism 145, the flap raising lever 144c of the flap raising mechanism 144 is used.
As a result, the plywood and the moisture-proof paper can be reliably removed.

When the plywood and the moisture-proof paper are removed as described above, the open suction device 14 is returned to a position above the raw material case 10 on the elevating conveyor 200, and as shown in FIG. Close the top flap.

That is, the vertical cylinder 144a of the flap raising mechanism 144 is driven while the vertical cylinder 145a of the suction mechanism 145 remains at the position of the return end, and FIG.
The flap f is bent inward by the flap bending plate 144d.

Next, the open suction device 14 is lowered and the vertical cylinder 144a is retracted, and the flap f is completely bent inward by the flap holding substrate 142 as shown in FIG. Then, the open suction device 14 is raised and returned to the origin position. Since the flap f is previously bent by the flap bending plate 144d opened downward and outward,
The flap f can be reliably bent only by lowering the flap holding substrate 142.

Through the above steps, the plywood and the moisture-proof paper are removed from the top of the raw material case, and the flap of the top is bent, and the raw material case is sent to the reversing machine 2. Since the top flap is reliably bent in this manner, damage to the raw material case can be prevented in the subsequent reversal step.

FIG. 13 is a view for explaining the structure and operation of the reversing machine 2. As shown in FIG. 13 (A), the reversing machine 2 includes a reversing drum 21 having openings on the connecting conveyor 300 side and the transfer conveyor 400 side. It is designed to rotate like the arrow 13 (A).

An elevating conveyor 22 on which a pallet is placed is provided below the reversing drum 21. A stopper 22 is provided before and after the elevating conveyor 22 to hold the front and rear of the pallet.
a holding claw 22b that presses the upper side of the pallet at the time of reversing,
Are arranged.

A carry-in conveyor 23 for carrying the raw material case is provided above the reversing drum 21. A stopper 23a for holding the bottom front and rear of the raw material case at the time of reversing is provided in the middle of the carry-in conveyor 23. It is arranged.

With the above configuration, as shown in FIG. 13A, the pallet 20 supplied to the transfer conveyor 400 is taken into the reversing drum 21 by the transfer conveyor 400 and the elevating conveyor 22, and the pallet 20 is stopped by the stopper 22a. The pallet 20 is positioned and fixed by pressing the upper side surface of the pallet 20 with the pressing claw 22b.

When the pallet 20 is fixed to the reversing drum 21, the reversing drum 21 is rotated by 90 degrees as shown in FIG. 13B, and the raw material case supplied to the connecting conveyor 300 is transferred to the connecting conveyor 300 and the loading conveyor 23. Then, the raw material case 10 is positioned by the stopper 23a.

Next, as shown by a two-dot chain line in FIG. 13 (B), the pallet 20 is lowered by the elevating conveyor 22 and the top of the raw material case 10 is covered with the pallet 20. Rotate 180 degrees. Then, 23a is released, and as shown in FIG.
Is lowered to release the stopper 22a and the holding claw 22b, and the pallet 20 and the raw material case 10 are transferred to the case removing device 4 side by the lifting conveyor 22 and the transfer conveyor 400.

FIG. 3 is a front view and a side view of the case removing device 4. The case removing device 4 hangs a disk-shaped elevating substrate 42 on the substrate 41 attached to the rail 5 so as to be able to move up and down freely, and hangs the elevating substrate 42 between a winch 41 a on the substrate 41 and a pulley 42 a on the elevating substrate 42. Wire 41b
And lift it up and down.

On the lifting board 42, a pair of gripping devices 43, which are diametrically opposed to each other, are disposed, and the gripping device 43 is a claw extending from the lower surface of the outer circumference of the lifting board 42. The bottom of the raw material case (the upper end portion of the inverted raw material case) is held by 43a. In addition, as shown in FIG. 1, the pair of holding devices 43 are disposed facing each other in a direction parallel to the rail 5, and hold in the longitudinal direction of the bottom surface of the raw material case 10.

FIG. 4A is a side view of the holding device 43, and FIG.
5B is a bottom view, FIG. 5A is a front view, and FIG. 5B is a top view. The claw portion 43a is fixed to a horizontal plate 43c attached to a lower end of the vertical plate 43b, and the vertical plate 43b is hung on a slide block 43d.

The slide block 43d is mounted on the lift board 42
Are slidably attached to two slide shafts 43e extending from the outer peripheral edge of the base plate, and a cut groove 42a through which a vertical plate 43b can pass is provided on the elevating substrate 42 at a portion between the two slide shafts 43e. Is formed. The upper end of the slide block 43d is connected to a drive shaft of a cylinder 43f attached to the lifting board 42.

By driving the cylinder 43f, the slide block 43d, the vertical plate 43b, the horizontal plate 43c, and the claw portion 43a reciprocate in the radial direction of the elevating substrate 42, as shown by a two-dot chain line in FIG. As shown in FIG.
a comes into contact with the upper surface of the raw material case 10 so that the claw portion 43a pierces near the upper end of the raw material case 10.
In addition, the other biting device 43 also operates at the same time,
The vicinity of the upper end of the raw material case 10 is bitten by both claw portions 43a.

Here, the distance between the claw portion 43a and the bottom surface of the lifting board 42 is determined by the height of the claw portion 43a when the bottom surface of the lifting board 42 contacts the upper end of the raw material case. It is set to be slightly lower than the upper end of the bone leaf. As a result, as shown in FIG.
a is pierced near the upper end of the raw material case 10, the flap f at the upper end (bottom) of the raw material case 10 and the claw 43 a
The plywood P and the moisture-proof paper S are sandwiched between the plywood P and the moisture-proof paper S, and the plywood P and the moisture-proof paper S are held together with the cardboard frame B by the claws 43a.

Further, the claw portion 43a is formed with five triangular blades at the tip toward the center of the elevating substrate 42.
Thereby, the claw portion 43a is easily pierced into the cardboard frame B of the raw material case 10.

A parallel air introduction groove 43a-1 passing through the center of each triangular blade is formed on the back surface of the claw portion 43a, and when the claw portion 43a pierces the cardboard frame B,
The air introduction groove 43a-1 forms an air introduction hole between the claw portion 43a and the cardboard frame B.

With the above configuration, at the time of the case removing operation, first, the case removing device 4 stops the elevating substrate 42 at the rising end above the transfer conveyor 400 and stands by.
The material case 10 in the inverted state is transferred to the transfer conveyor 400.
Then, the lifting substrate 42 is lowered and placed on the raw material case 10. Then, as shown in FIG. 1, the side surfaces near the bottom (upper end) of the raw material case are held by the claw portions 43a of the pair of holding devices 43.

Next, the lifting board 42 is raised, so that the corrugated cardboard frame B and the plywood P as shown in FIG.
Then, the moisture-proof paper S is hung on the claw portion 43a and pulled up, and the bone removed leaves T filled in the cardboard frame B are extracted from the cardboard frame B by its own weight.

Then, the substrate 41 is moved along the rail 5 while holding the cardboard frame B, the plywood P and the moisture-proof paper S on the elevating substrate 42, and the elevating substrate 4 is moved to a predetermined collecting place.
The cardboard frame B, the plywood P, and the moisture-proof paper S are recovered by lowering the pair 2 to remove the pair of claws 43a.

As described above, since the raw material case 10 is formed in a rectangular shape, the bone removal leaves extracted from the raw material case 10 are formed into a rectangular mass, which is used when a tobacco leaf is assembled (friend). The division becomes easy. In addition, the storage space can be saved, and the packaging cost can be reduced.

Since the case removing device 4 of this embodiment forms an air introduction hole in the corrugated cardboard frame by the air introduction groove 43a-1 of the claw portion 43a, the air is released simultaneously with the gripping of the corrugated cardboard frame or the like. Since the introduction holes are formed, the process is simplified, and furthermore, the cardboard frame need only be gripped and pulled up, so that automation becomes easy.

Further, air is sucked into the corrugated cardboard frame by the air introduction holes, so that the boning leaves are easily released from the corrugated cardboard frame, and the corrugated cardboard frame can be reliably removed. Furthermore, since the claw portion 43a holds the plywood P and the moisture-proof paper S together with the cardboard frame B, the plywood P and the moisture-proof paper S can be reliably removed.

In the above-described embodiment, the case where a wooden plywood is used as the plate of the tobacco raw material case has been described. However, the plate is not limited to wooden but may be a plastic plate or the like. is not. It is needless to say that the present invention can be applied even when moisture-proof paper is not required.

[0064]

As described above, according to the case removing mechanism of the tobacco raw material case of the present invention, the tobacco raw material is filled into the rectangular cylindrical box forming the rectangular parallelepiped accommodating space, and the two parts of the box are provided. A tobacco raw material case in which a plate body is arranged in an opening and a flap formed by shortening the length of the opening around the opening is bent inward to hold the periphery of the plate body The tobacco raw material case is turned upside down by removing the plate body of one opening, and the opening is placed downward, and the other plate body and the box body located at the upper part of the tobacco raw material case are separated. A case removing mechanism for removing from the tobacco raw material filled in the tobacco raw material case, wherein the pair of claws of the holding means penetrate the upper part of the opposing side surfaces of the box in the tobacco raw material case to bite the box. Hold and nail By forming an air introduction hole in the box with the air introduction groove formed in the box, holding the box and the upper plate with the claw portion, and raising the holding means with the elevating means, the plate from the tobacco raw material The tobacco raw material case can save space, maintain the strength of the case, and reduce the packaging cost by disposing a plate at the opening of the box, closing it with a flap, and packing it. Upon unpacking, the removal of the box and the plate can be reliably removed and can be easily automated.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example of an unpacking method using a case removing mechanism for a tobacco raw material case according to an embodiment of the present invention.

FIG. 2 is a plan view of an unpacking step in the embodiment of the present invention.

FIG. 3 is a front view and a side view of the case removing device according to the embodiment of the present invention.

FIG. 4 is a side view and a bottom view of the biting device according to the embodiment of the present invention.

FIG. 5 is a front view and a top view of the biting device.

FIG. 6 is a front view of the case opening device according to the embodiment of the present invention.

FIG. 7 is a plan view of the open suction device according to the embodiment of the present invention.

FIG. 8 is a front view of the open suction device.

FIG. 9 is a side view of the open suction device.

FIG. 10 is a diagram illustrating the operation of a flap raising mechanism and a suction mechanism according to the embodiment of the present invention.

FIG. 11 is a diagram illustrating a flap raising operation and a plywood removing operation in the embodiment of the present invention.

FIG. 12 is a diagram illustrating an operation of closing a flap according to the embodiment of the present invention.

FIG. 13 is a diagram illustrating the structure and operation of a reversing machine according to an embodiment of the present invention.

FIG. 14 is an exploded perspective view showing a tobacco raw material case in the embodiment of the present invention.

FIG. 15 is a partially broken perspective view showing a packed state of the tobacco raw material case in the embodiment of the present invention.

FIG. 16 is a diagram illustrating dimensions of a tobacco raw material case according to an embodiment of the present invention.

[Brief description of reference numerals]

4 ... Case removing device, 43 ... Bite device, 43a ... Claw portion,
43a-1: air introduction groove, 10: tobacco raw material case, P
... plywood, S ... moisture-proof paper, B ... cardboard frame, f ... flap.

Claims (1)

(57) [Claims] 1. A tobacco raw material is filled in a rectangular cylindrical box forming a rectangular parallelepiped accommodating space, and a plate is disposed at two openings of the box, and a folded length is reduced around the opening. The tobacco raw material case, which is formed by bending the flap formed inward to hold the periphery of the plate body, removing the plate body at one opening of the tobacco raw material case and inverting the tobacco raw material case upside down And a case removing mechanism for disposing the opening portion downward and removing the other plate body and the box body located above the tobacco material case from the tobacco material filled in the tobacco material case. Gripping means for gripping the box by a pair of claws each penetrating an upper portion of the side face of the box in the tobacco raw material case; and forming the claw by passing through the claws. Air introduction groove, Lifting means for lifting and lowering the holding means, wherein the box is held by a claw of the holding means, and the box and the upper plate are held by the claw; A case removing mechanism for a tobacco raw material case, wherein the plate and the box are removed from the tobacco raw material from the lower part of the box by raising the holding means.