JPH08282625A - Packaging device - Google Patents

Abstract

PURPOSE: To provide a packaging device by which a favorable packaged configuration can be obtained regardless of the binding configuration, etc., of an article to be packaged. CONSTITUTION: A packaging unit 12 of a packaging device 10 is equipped with a winding block 37 to wind a craft paper P on printed articles 1, 1,..., top guiding member 25 to press down the upper surface of the printed articles, 1, 1,..., and tape-affixing mechanism 33. Then, the top guiding member 25 consists of a fixed block 27, movable block 28, and a belt 29 of which one end is fixed to the fixed block 27 and the other end of which is fixed to a spring mechanism 32 by respective movable blocks 28.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging apparatus suitable for packaging a plurality of bookbinding printed matter such as magazines and books in a stacked state.

[0002]

2. Description of the Related Art Generally, in order to transport bound printed materials such as magazines and books, a predetermined number of printed materials are stacked and bound with a binding cord or wrapped with a wrapping material such as kraft paper. .

Conventionally, various types of packaging devices have been developed for packaging printed matter with packaging materials such as kraft paper. In such a packaging device, basically, as shown in FIG. 10A, a predetermined number of printed materials (objects to be packaged) are printed.
In the state where 1, 1, ... Are stacked, first, the upper and lower surfaces A,
The wrapping material 2 such as kraft paper is wrapped around B and the front and rear surfaces C and D, and the seam of the wrapping material 2 is attached on the upper surface A with, for example, an adhesive or an adhesive tape 3. Then, as shown in FIG. 10B, both side surfaces E,
By folding the packaging material 2 at E, the printed materials 1, 1, ... Are packaged in a substantially box shape.

[0004]

However, the conventional packaging device as described above has the following problems. First, since the packaging material 2 is simply wrapped around the printed matter 1, 1, ..., The packaging is loose, and the packaged printed matter 1, 1 ,. is there.

The printed matter 1 to be packaged is shown in FIG.
Upper binding, normal binding 5, etc. shown in (a), its spine 5a-edge 5
In the case of b and the top cover 5e having a uniform thickness from the top 5c to the ground 5d and having a waist, there is no problem other than the above. However, the printed matter 1 to be wrapped is a spine 6a-edge 6 as in the flat-stitched book 6 shown in FIG.
b, and the case where the top 6c-the ground 6d have a constant thickness and the cover 6e does not have a waist, or FIG.
So-called saddle-stitched book 7 such as the weekly magazine shown in, spine 7a-
In the case where the front edge 7b and the top 7c-ground 7d have a non-uniform thickness and a cover sheet 7e which is not stiff, there is a problem that a good packaging form cannot be obtained for the following reasons. there were.

That is, the flat stitch booklet 6 or the saddle stitch booklet 7
As described above, when the printed matter 1 having the flat covers 6e and 7e is packaged, when the packaging material 2 is wound around the stacked printed matter 1, the end of the printed matter 1 stacked on the top is rolled up. , It may bend. When a printed material 1 having a non-uniform thickness such as a saddle-stitched book 7 is packaged, a predetermined number of the printed materials 1 are stacked and the back 7a and the fore edge 7b have a recessed central portion and the back 7a side. And the height on the side of the front edge 7b become uneven. For this reason,
On the upper surface A, there is a problem that the adhesive tape 3 cannot be reliably attached when the seam of the wrapped packaging material 2 is attached with the adhesive tape 3 or the like.

The present invention has been made in view of the above points, and an object of the present invention is to provide a packaging device capable of obtaining a good packaging form regardless of the binding form of the articles to be packaged. To do.

[0008]

The invention according to claim 1 is
A packaging device for wrapping a plurality of sheet-shaped or booklet-shaped items to be packaged around the items to be packaged stacked on a base, the packaging device including the items to be stacked. It is characterized in that it is provided with a pressing mechanism for pressing the upper surface of the packaging material and a packaging material bonding mechanism for bonding the mating portion of the packaging material.

According to a second aspect of the present invention, in the packaging apparatus according to the first aspect, the packaging material is wound around the article to be packaged, so that at least an upper surface of the article to be packaged placed on the base is provided. And a movable block provided so as to be movable in the same direction as the body winding block on the upper surface of the packaged object, and one end of which is fixed to the fixed block. The other end is configured to include a belt extending upward through the moving block, and a tension applying mechanism for applying a tension to the belt.

The invention according to claim 3 is the invention according to claim 1 or 2.
In the packaging apparatus described above, a push-up block that pushes up the article to be packaged from below is provided at a predetermined position of the base so as to be retractable.

[0011]

According to the first aspect of the invention, the packaging device is provided with a pressing mechanism for pressing the upper surface of the articles to be packaged stacked on the base, and a packaging material attaching mechanism for attaching the mating portion of the packaging material. did. With this, when the packaging material is wrapped around the packaging object on the base, the packaging material is pressed down by the pressing mechanism, and the wrapped packaging material bonding portion is pasted by the packaging material pasting mechanism. Items can be packaged in a vertically compressed state.

According to a second aspect of the present invention, the movable block is provided with a body winding block that moves along at least the upper surface of the packaged object, and the pressing mechanism is provided so as to be movable in the same direction as the fixed block and the body winding block. And a belt having one end fixed to the fixed block and the other end extending upward through the moving block and supported by the tension applying mechanism. As a result, when the packaging material is wound along the upper surface of the packaged object with the body winding block,
By moving the body-wrapping block and the moving block of the holding mechanism that holds down the object to be wrapped while maintaining a constant interval, it is possible to wind the packing material while holding down the object to be wrapped with the moving block. . At this time, since the moving block moves on the belt having one end fixed to the fixed block, the moving block does not directly rub the upper surface of the packaged object. Further, the tension applying mechanism automatically winds or unwinds the belt as the moving block moves.

According to the third aspect of the invention, the push-up block for pushing up the article to be packaged from below is provided on the upper surface of the base so as to be retractable. Thus, when the object to be packaged is a saddle stitch book or the like, the push-up block is projected and the object to be packaged placed on the base is pushed up to flatten the upper surface. it can.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings. Here, for example, an example in which a saddle stitch book is used as an article to be wrapped will be described. 1 to 9 show an example of a packaging device according to the present invention.

As shown in FIGS. 1 and 2, the packaging device 1
0 is a stack of a predetermined number of saddle-stitched books (hereinafter referred to as “printed materials”; objects to be packaged) 1 that are sent in a state of being stacked in a fixed number of copies from a stacker (not shown) provided on the left side of the drawing. , And a packaging section (packaging material winding mechanism) 12 for packaging the supplied printed materials 1, 1, ... With kraft paper (packaging material) P.

The supply section 11 is provided with a supply conveyor 13. As shown in FIG. 1, this supply conveyor 1
3 comprises an upper conveyer 14 and a lower conveyer 15 which extend in the horizontal direction. The upper conveyor 14 and the lower conveyor 15 are a pair of endless conveyor belts 14a, 1a, which are provided at regular intervals in the width direction (direction orthogonal to the paper surface in FIG. 1).
4a, 15a, 15a are mounted in a freely circulating manner.

The upper conveyor 14 is provided with an up-and-down mechanism such as a cylinder (not shown), and is structured to move up and down with a predetermined stroke. A first lifting block 16 is provided between the conveyor belts 15a, 15a of the lower conveyor 15. The first push-up block 16 has a substantially trapezoidal shape in a side cross-section, and is configured to move up and down by driving an air cylinder (not shown) or the like so that the first push-up block 16 can be retracted into the conveyance surface of the lower conveyor 15.

The supply conveyor 13 is provided with a first pusher 17. The first pusher 17 includes a linear guide 18 laid below the lower conveyor 15,
Linear guide 1 driven by an air cylinder (not shown)
8, a moving member 19 that moves in the horizontal direction, and an elevating mechanism 2 such as an air cylinder provided integrally with the moving member 19.
It is composed of a pusher main body 21 which moves up and down with a predetermined stroke when driven by 0. As a result, in the first pusher 17, the pusher main body 21 moves in the vertical direction and the horizontal direction with a predetermined stroke.

Further, on the side of the packaging unit 12 of the supply conveyor 13, there is provided a flat pad plate 22 located in the vertical plane. The contact plate 22 is moved up and down by driving an elevating mechanism (not shown).

In the packaging section 12, an upper guide member (holding mechanism) 25 and a lower guide member (base) 26 provided at the same height as the lower conveyor 15 of the supply section 11 are vertically arranged. Dimensionally spaced.

As shown in FIGS. 1 and 2, the upper guide member 25 has a fixed block 27 arranged on the side separated from the supply unit 11, and the supply unit 1 of the fixed block 27.
The moving blocks 28, 28 arranged on one side and the belt 2
It is composed of 9 and 29.

The fixed block 27 is provided with linear guides 30, 30 which are spaced apart from each other by a predetermined distance in the width direction thereof and extend parallel to each other so as to be movable in the axial direction thereof. The moving blocks 28, 28 are integrally provided at the tips of the linear guides 30, 30. As shown in FIG. 1, each moving block 28 is formed in a substantially trapezoidal shape in cross section in which the height gradually decreases toward the supply unit 11 side. Such moving blocks 28, 28
Is configured such that the linear guides 30, 30 are moved in the axial direction by a drive mechanism (not shown) so as to move toward and away from the supply unit 11 side with a predetermined stroke along the horizontal direction.

The belts 29, 29 each have one end fixed to the fixed block 27, and the moving block 28.
Of the guide roller 31 and the lower end of the sheet and the tip of the supply section 11 side.
The other end is held by a spring mechanism (tensioning mechanism) 32 provided above the upper guide member 25. A tension force is constantly applied to the belt 29 by the spring mechanism 32.

A tape sticking mechanism (wrapping material sticking mechanism) 33 for sticking, for example, an adhesive tape to the mating surface of the kraft paper P wound in the wrapping section 12 is provided above the belts 29, 29. Has been.

The lengthwise direction of the lower guide member 26 (see FIG.
A second push-up block (push-up block) 34 is provided in the central portion in the left-right direction. The second push-up block 34 is the first push-up block 1 described above.
Similar to 6, it has a substantially trapezoidal shape in a side cross-section, and is configured to move up and down by driving an air cylinder (not shown) or the like, and to be able to project and retract on the upper surface of the lower guide member 26.

As shown in FIGS. 1 and 2, a second pusher 36 and a body winding block 37 are provided on the side of the supply unit 11 of the packaging unit 12. Second pusher 36
Like the first pusher 17, is provided so as to be supported by an elevating mechanism and a horizontal moving mechanism (not shown), and is configured to be movable in the vertical and horizontal directions with a predetermined stroke.

As shown in FIG. 1, the body winding block 37
Is attached to an elevating mechanism (not shown) such as a rodless cylinder provided on the side of the packaging unit 12 via a horizontal movement mechanism 39 such as an air cylinder that is driven to expand and contract in the horizontal direction. The body winding block 37 is formed such that the end surface 37a on the side of the packaging unit 12 is parallel to the end surface of the moving block 28 when viewed from the side. Further, as shown in FIG. 2, the body winding block 37 has a width facing both the moving blocks 28, 28. Further, on the side of the packaging portion 12 of the body winding block 37, when the second pusher 36 moves up and down, it does not interfere with this.
The notch 37b is formed.

As shown in FIG. 1, this body winding block 3
7, the guide block 4 is provided on the upper and lower sides of the supply unit 11 side.
0 and 41 are provided. These guide blocks 4
Reference numerals 0 and 41 each have a substantially parallelogram shape in a side cross-sectional view, and are configured to oscillate about rotation shafts 40a and 41a, respectively, by driving a drive motor (not shown). And these guide blocks 40 and 41 are
The lower surface and the upper surface thereof are provided so as to be flush with the lower surface of the upper guide member 25 and the upper surface of the lower guide member 26 when in the horizontal state.

A chuck member 42, which is driven up and down by an elevator mechanism such as an air cylinder (not shown), is provided on the guide block 40, 41 and the supply portion 11 side of the contact plate 22. The chuck member 42 chucks the upper end portion of the kraft paper P by a packaging material supply unit (not shown) provided below and raises the kraft paper P by a lifting mechanism (not shown) to a predetermined height. It is designed to be pulled up.

Next, a method of wrapping the printed matter 1, 1, ... With the kraft paper P in the packaging apparatus 10 having the above-described configuration will be described with reference to FIGS. 1 to 9. First,
As shown in FIG. 3, the chuck member 42 is lowered by an elevating mechanism (not shown), and a lower packaging material supply unit (not shown) is provided.
At, the upper end of a piece of kraft paper P is chucked. Then, the chuck member 42 is raised to a predetermined position to pull up the kraft paper P. At the same time, the backing plate 22 is lifted and positioned on the back side of the kraft paper P (right side in the figure).

Subsequently, in the supply unit 11, the printed materials 1, 1, ... Which are sent in a stacked state by a certain number of copies from a stacker (not shown) provided on the left side of the drawing are placed on the lower conveyor 15. Build up one by one. At this time, the upper conveyor 14 is raised. Then, after the prints 1, 1, ... Are placed on the lower conveyor 15, the first push-up block 16 is projected from the lower conveyor 15.

.. are stacked on the lower conveyor 15, the first pusher 17 is operated and the pusher main body 21 is lifted by the elevating mechanism 20. Then, the upper conveyor 14
Are lowered so as to have the same height as the upper guide member 25 of the packaging unit 12. In this way, the printed materials 1, 1, ... Are compressed from above by the upper conveyor 14.

Next, the first push-up block 16 and the backing plate 22 are lowered to be retracted below the lower conveyor 15, and the guide blocks 40 and 41 are swung to move the upper guide member 25 of the packaging unit 12. It is parallel to the lower guide member 26.

At the same time when the swing of the guide blocks 40 and 41 is completed, an air cylinder (not shown) is extended to move the pusher body 21 toward the packaging unit 12 side. Then, as shown in FIG. 4, it is pushed by the pusher body 21,
Printed matter between the upper conveyor 14 and the lower conveyor 15,
, 1 are transferred between the upper guide member 25 and the lower guide member 26 of the packaging unit 12 through the space between the guide blocks 40 and 41. At this time, the upper conveyor 14, the lower conveyor 15, the guide blocks 40 and 41, the upper guide member 2
5. Since the vertical intervals of the lower guide members 26 are set to the same size, the printed materials 1, 1, ... Are transferred while maintaining a compressed state.

At this time, the pusher main body 21 has the packaging portion 12
At the same time as starting to move to the side, the chuck of the craft paper P by the chuck member 42 is opened. As a result, the lower surface B, the rear surface D, and the like of the printed matter 1, 1, ...
Also, the kraft paper P is automatically wrapped around the approximately half of the upper surface A.

After the pusher main body 21 completes the transfer of the printed materials 1, 1, ... To the wrapping section 12, the pusher main body 21 is retracted and lowered to return to the original position, as shown in FIG. . Along with this, the guide blocks 40 and 41 are swung to be in a vertical state.

Subsequently, in the packaging unit 12, first, the second push-up block 34 is raised to push up the central portion of the printed matter 1, 1, ... On the lower guide member 26 from below.

Then, the body winding block 37 is raised by an elevating mechanism (not shown), so that the kraft paper P is printed.
Along the front face C of. Then, as shown in FIG.
When the body winding block 37 is raised to the same height as the upper guide member 25, it is moved to the horizontal movement mechanism 39.
(See FIG. 1), the kraft paper P is moved toward the upper guide member 25 side and is made to follow the upper surface A of the printed matter 1, 1, ....

Simultaneously with the horizontal movement of the body winding block 37, the linear guide 30 is moved by a drive mechanism (not shown), so that the movable blocks 28, 28 face the body winding block 37 while maintaining the initial interval. Move at speed. At this time, the belt 29 to which tension is applied by the spring mechanism 32 (see FIG. 1) is automatically wound up as the moving blocks 28, 28 move. Also, this belt 29
Accordingly, the moving blocks 28, 28 cause the printed matter 1, 1, ...
The upper surface A is moved without directly rubbing.

In this way, the kraft paper P is wound around the front surface C of the printed matter 1, 1, ... At this time, the printed matter 1, 1, ...
28 and the body winding block 37 are kept pressed.

Then, as shown in FIG. 7, when the body roll block 37 is moved to a predetermined position on the upper surface A of the printed matter 1, 1, ..., The movement is stopped. On the other hand, the movement blocks 28, 28 continue the movement. Then, when the moving blocks 28, 28 are moved to a position separated from the body-wrapping block 37 by a predetermined dimension, the end of the kraft paper P is brought to the other end of the upper surface A of the printed matter 1, 1 ,. Will be overlaid. Next, the tape attaching mechanism 33 attaches an adhesive tape or the like to the joint of the kraft paper P. At this point, the printed matter 1, 1, ...
The kraft paper P has an upper surface A, a rear surface D, a lower surface B, and a front surface C.
It is in a state in which it is wound in a cylindrical shape (see FIG. 10A).

Thereafter, as shown in FIG. 8, the second push-up block 34 and the body winding block 37 are lowered to be retracted below the lower guide member 26, and the linear guides 30 are moved to move the moving block 28. , 2
Return 8 to its original position. Then, the second pusher 36
, And then horizontally moving it toward the right in the figure as shown in FIG. 9, so that the printed matter 1, 1, ... between the upper guide member 25 and the lower guide member 26 is moved.
Push out.

On the other hand, while the wrapping portion 12 is performing the operation of winding the kraft paper P around the printed matter 1, 1, ... As described above, in the supply portion 11, as shown in FIGS. In preparation for the next lot, in the same manner as above,
The kraft paper P is chucked and pulled up by the chuck member 42, and the backing plate 22 is raised to stack a predetermined number of prints 1 sent from the stacker (not shown) in a fixed number of copies on the lower conveyor 15. deep. Then, as shown in FIG. 9, in the packaging unit 12, the printed matter 1, on which the kraft paper P has been wound,
After pushing out 1, 2, ... With the second pusher 36, in the same manner as described above, the printed matter 1 of the supply unit 11 is fed with the first pusher 17.
1, ... are sent to the packaging unit 12. After that, the kraft paper P is sequentially wound around the printed matter 1, 1, ... By repeating the above operation.

The printed matter 1, 1, ... Delivered from the wrapping unit 12 is printed on both sides of the kraft paper P by a folding machine (not shown) provided on the rear side (right side in the drawing) of the wrapping unit 12. Are folded into a predetermined shape, and as a result, the packaging of the printed matter 1, 1, ... As shown in FIG. 10B with the kraft paper P is completed.

In the packaging device 10 described above, the packaging section 12
In addition, an upper guide member 25 for pressing the upper surface of the printed matter 1, 1, ... And a tape attaching mechanism 33 are provided. As a result, the printed matter 1, 1, ... On the lower guide member 26 is pressed by the upper guide member 25, the kraft paper P is wound, and the joining portion thereof is attached to the tape applying mechanism 3.
By sticking together at 3, it is possible to wrap the printed matter 1, 1, ... In the vertically compressed state. Therefore, printed matter 1, 1, ...
Can be packaged at the same height, and can be tighter than before. In this way, it is possible to obtain a good packaging form and prevent the packaging from collapsing during transportation.

The packaging section 12 has a kraft paper P.
Body block 3 for wrapping printed matter 1, 1, ...
7, the upper guide member 25 has a fixed block 27, moving blocks 28, 28, one end fixed to the fixed block 27, and the other end moving block 28, 28.
Belts 29, 2 fixed to a spring mechanism 32 via 28
9 and 9. Thus, when the kraft paper P is wound along the upper surface A of the printed matter 1, 1, ... With the body winding block 37, the body winding block 37 and the moving blocks 28, 28 are moved at a constant speed while maintaining a constant interval. By doing so, the kraft paper P can be wound while pressing the printed materials 1, 1, ... With the fixed block 27, the movable blocks 28, 28, and the body winding block 37. In this way, the kraft paper P can be reliably wound while the printed matter 1, 1, ... Is kept compressed by the upper guide member 25. At this time, since the moving blocks 28, 28 move on the belts 29, 29, the cover of the printed matter 1 is rolled up or rubbed without directly rubbing the upper surface of the printed matter 1, 1, .... Can be prevented.

Further, the kraft paper P is attached to the chuck member 42.
, And is held in a state of being pulled up, and the printed matter 1, 1, ... Is fed from the supply unit 11 while driving the upper conveyor 14 and the lower conveyor 15 to feed the kraft paper P to the printed matter 1, 1. About 1, half of the upper surface A, the rear surface D, and the lower surface B are wound.
At this time, the printed matter 1, 1, ...
Since it does not directly rub against other members such as 0 and 41, the printed material 1 can be prevented from curling up and scratches from this point as well.

In addition, the lower guide member 26 is provided with a second push-up block 34 which pushes up the prints 1, 1, ... From below. Thus, the upper surface A of the printed matter 1, 1, ..., which is a saddle-stitched book, can be flattened by pushing it up by the second pushing-up block 34, so that the printed matter 1, 1 ,. It is possible to reliably hold down the tape, and it is possible to reliably attach the adhesive tape by the tape attaching mechanism 33.

In the above embodiment, the example of packaging the printed material 1 which is a saddle-stitched book is used.
Even with other binding forms such as a normal binding and a side binding, it is possible to obtain a good packaging form in the same manner. Further, the present invention can be similarly applied to the case of packaging not only the booklet-like one bound in this way but also a simple sheet-like one.

[0050]

As described above, according to the packaging apparatus of the first aspect, the packaging apparatus is provided with the holding mechanism for pressing the upper surface of the articles to be packaged stacked on the base and the joining portion of the packaging material. It is configured to include a packaging material attachment mechanism. With this, when the packaging material is wrapped around the packaging object on the base, the packaging material is pressed down by the pressing mechanism, and the wrapped packaging material bonding portion is pasted by the packaging material pasting mechanism. Items can be packaged in a vertically compressed state. Therefore, not only in the case of the bookbinding object having uniform thickness of uniform binding, normal binding, flat binding booklet, or sheet-shaped one, but also in the case of saddle stitching book having non-uniform thickness. Also, it is possible to perform packaging with the stacked heights aligned, and more tightly than before. In this way, it is possible to obtain a good packaging form regardless of the binding form of the article to be packaged, and prevent the packaging from collapsing during transportation.

According to the packaging apparatus of the second aspect, the body winding block which moves along at least the upper surface of the article to be packaged is provided, and the holding mechanism is provided so as to be movable in the same direction as the fixed block and the body winding block. The moving block and the belt, one end of which is fixed to the fixed block and the other end of which is supported by the tension applying mechanism via the moving block, are used. As a result, when the packaging material is wrapped around the upper surface of the package by the body block, the body block and the moving block of the holding mechanism that holds down the package are moved with a space therebetween. This makes it possible to reliably wind the packaging material while pressing the object to be packaged with the fixed block and the movable block. Thereby, the article to be packaged can be packaged while maintaining the compressed state by the pressing mechanism, and a good packaging form can be obtained. At this time, since this moving block moves on the belt whose one end is fixed to the fixed block and does not directly rub the upper surface of the packaged object, it is possible to prevent the packaged object from rolling up or rubbing. it can.

According to the packaging apparatus of the third aspect, the push-up block for pushing up the article to be packaged from below is provided on the upper surface of the base so as to be retractable. Thus, even when the object to be packaged is a saddle stitch book or the like, the push-up block is projected and the object to be packaged placed on the base is pushed up to flatten its upper surface. Therefore, the object to be packaged can be surely pressed by the moving block of the pressing mechanism, and the adhesive tape or the adhesive can be surely adhered by the packaging material adhering mechanism. Therefore, also from this point, a good packaging form can be obtained regardless of the binding form or the like of the articles to be packaged.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of a packaging device according to the present invention, which is a side view showing the configuration of the device.

FIG. 2 is a plan view of the device.

FIG. 3 is a view showing a step of packaging an article to be packaged using the packaging device, and is a side view showing a state where the stacked articles to be packaged are transferred to a packaging material winding mechanism.

FIG. 4 is a side view showing a state in which the transfer of the articles to be packaged is completed.

FIG. 5 is a side view showing a state in which the packaging material is wound around the front surface of the article to be packaged.

FIG. 6 is a side view showing a state in which the packaging material is wrapped around the upper surface of the article to be packaged.

FIG. 7 is a side view showing a state in which a packaging material is stuck on the upper surface of the article to be packaged.

FIG. 8 is a side view showing a state in which the article to be packaged with the packaging material is transferred to the subsequent step.

9 is a side view showing the state following FIG. 8.

FIG. 10 is a perspective view showing an object to be packaged with a packaging material.

FIG. 11 is a perspective view showing an example of an article to be packaged.

[Explanation of symbols]

 1 Printed Material (Item to be Wrapped) 10 Wrapping Device 12 Wrapping Section (Wrapping Material Wrapping Mechanism) 25 Upper Guide Member (Holding Mechanism) 26 Lower Guide Member (Base) 27 Fixed Block 28 Moving Block 29 Belt 32 Spring Mechanism (Tensioning Mechanism) ) 33 tape attachment mechanism (packaging material attachment mechanism) 34 second pushing block (pushing block) 37 body winding block A upper surface P kraft paper (packaging material)

 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Akihiro Miyazaki 1-5-1 Taito, Taito-ku, Tokyo Toppan Printing Co., Ltd. (72) Inventor Hideki Mori 1-5-1 Taito, Taito-ku, Tokyo Toppan Imprint Co., Ltd.

Claims (3)

[Claims] 1. A packaging apparatus for winding a packaging material around the articles to be packaged, which are stacked on a base for packaging a plurality of sheet-like or booklet-like articles to be packaged. A packaging device comprising: a pressing mechanism that presses the upper surface of the packaged object; and a packaging material attaching mechanism that attaches the mating portion of the packaging material. 2. The packaging device according to claim 1, wherein a body winding block that moves along at least an upper surface of the packaged object placed on the base is provided for winding the packaging material around the packaged object. While being provided, the pressing mechanism includes a fixed block, a moving block that is movably provided in the same direction as the body winding block on the upper surface of the packaged object, one end is fixed to the fixed block, and the other end is A packaging device comprising a belt extending upward through a moving block and a tension applying mechanism for applying tension to the belt. 3. The packaging device according to claim 1, wherein a push-up block that pushes up the article to be packaged from below is provided at a predetermined position of the base so as to be retractable. apparatus.