JP4318350B2 - Paper transport device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sheet conveying apparatus configured to perform pre-processing on a sheet so that the perfect binding process can be performed satisfactorily and to easily arrange the layout of equipment.
[0002]
[Prior art]
Recently, a bookbinding machine has been developed that prints a plurality of booklet bundles at a high speed from a printing machine or copying machine, and binds the booklet bundles one after another. FIG. 5 is a schematic configuration diagram illustrating an example of performing a simple binding process as such a bookbinding machine. In FIG. 5, the bookbinding machine is provided with a bookbinding process starting part A, a milling process part B, a gluing process part C, and a cover attaching process part D.
[0003]
In the bookbinding processing start section A, the back side of the booklet bundle P is disposed on the level plate Aa, and the amount of movement in the width direction between the clampers (not shown) is adjusted according to the thickness of the booklet bundle P. It is sandwiched and sent to the milling processing section B in the next process. In the milling processing section B, a milling machine Ba and a width adjusting plate (not shown) are arranged.
[0004]
In the milling processing unit B, when the booklet bundle P passes over the milling machine Ba, the back surface of the booklet bundle P is cut and aligned so that the paste is evenly attached to the entire surface. Is processed. In order to improve the pasting of the booklet bundle P, a blade for forming a fine groove on the back surface of the booklet bundle P may be provided in the milling processing section B.
[0005]
Next, the booklet bundle P whose back surface is aligned is sent to the gluing processing unit C. The glue processing unit C stores glue in the glue tank Ca and is provided with a glue roller Cb. Gluing is performed on the back of the booklet bundle P, and the excess glue is scraped off and removed by the roller Cc. . When the pasting process is completed, the booklet bundle P is sent to the cover sheet processing part D.
[0006]
In the cover attachment processing unit D, the printed cover Q is conveyed from the cover accumulation unit (not shown) onto the bottom plate Da and nip plates (clamp plates) Db and Dc by an appropriate conveying means such as a conveyor, and is pasted. The back side of the booklet bundle P that has been processed and transferred is attached to the cover and the cover is attached.
[0007]
FIG. 6 is a side view showing the cover Q and the booklet bundle P that have been subjected to the cover attaching process in the cover attaching unit D. On the back of the booklet bundle P, a predetermined amount of glue is applied to the glue adhering portion R by the gluing processing section C.
[0008]
By the way, when using the printing press, the user sets a unit price for printing per sheet with the printer installer, and as the number of printed sheets increases, the user pays the installer a fee. It is high.
[0009]
[Problems to be solved by the invention]
The binding process in which the pasting process is performed on the back side of the booklet bundle P by the gluing processing unit C is referred to as a wireless binding process. Such a wireless binding process is a sheet that is cut into a standard size paper such as A4 or B5 size. Is performed on the booklet bundle P formed in For this reason, as shown in FIG. 6, even if individual sheets are bonded with glue R, the sheets are separated, so the adhesive strength is weak, and each sheet may peel off from the glue attaching portion R and fall off. was there.
[0010]
Further, when the number of booklet bundles to be bound increases, the number of printing papers used as a whole increases, and there is a problem that the fee paid by the user to the printer installer increases.
[0011]
SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a paper transport device that is configured to increase the adhesive strength of the paper at the glue adhering portion to prevent the paper from falling off and reduce the printing fee.
[0012]
[Means for Solving the Problems]
The purpose is to the paper conveying apparatus, a first transport path for transporting the printed sheets, means for forming a placed Ajiro eyes on the paper at the end of the first conveying path, is Ajiro eyes formed paper A second conveying path for conveying the sheet, folding means connected to the second conveying path for folding the sheet in half at a position where the azimuth is formed, and a predetermined number of the folded sheets are stacked to form a booklet bundle. And a third transport path for transporting the booklet bundle to the bookbinding machine, the transport paths being arranged in the same direction, and a plurality of means for forming the azimuths serving as azimuth cutters in the longitudinal direction of the surface This is achieved by adopting a configuration in which the blade is a rotating roller with protruding blades .
[0014]
In the invention according to claim 1, since the azimuth is formed on the paper, when the gluing process is performed on the back of the booklet bundle by the gluing processing unit of the bookbinding machine, the glue penetrates from the azimuth and is folded in two. It also adheres to the inner surface of each sheet, and the two sheets are bonded by glue. For this reason, the booklet bundle is firmly bonded, and the sheet can be prevented from falling off. In addition, since the paper has azimuths, when the paper is folded in two, the folded portion is less likely to fold and the back surface does not swell, and the strength of the gluing process can be further improved.
[0015]
In addition, the conveyance paths are arranged in the same direction between the bookbinding machine and the means for printing on paper such as a printing machine or a copying machine. For this reason, since the direction change mechanism is not used for each conveyance path, the configuration of the sheet conveyance device can be simplified.
[0016]
In addition, since the paper printed on the printing machine is folded in half at the position where the azimuths are formed and a predetermined number of sheets are stacked to form a booklet bundle, when forming a booklet bundle on the same page, the number of printed sheets Becomes half of the conventional. For this reason, the fee paid by the user to the printer installer is reduced.
[0017]
Also, A Jirokatta - rotation b - since it is formed on the surface La, the rotation b is a conveyance means of the paper - La will be also used in combination as a means for forming Ajiro eyes. For this reason, it is not necessary to separately provide the sheet conveying means and the azimuth forming means, so that the cost can be reduced.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a paper conveying apparatus according to the present invention will be described with reference to the drawings. FIG. 1 is a schematic side view showing a paper conveying apparatus of the present invention. In FIG. 1, 1 is a printing machine, 2 is a paper transport device, and 3 is a bookbinding machine. The number 1 shown in the figure may be a copying machine instead of a printing machine.
[0019]
The paper transport device 2 is provided with a first transport path 21 for transporting paper discharged from the printing press 1. The first transport path 21 is constituted by a conveyor and an appropriate number of feed rollers. Reference numeral 22 denotes an azimuth processing unit. Details of the azimuth processing unit 22 will be described later.
[0020]
Reference numeral 23 denotes a second conveyance path, and reference numeral 24 denotes a leading end of the paper subjected to azimuth processing by a buckle, and the folding roller 25 performs folding processing in half. The folded paper Pa is transported to the position of the stopper 26a by the third transport path 26. Here, the paper Pa is lowered along the guide plate 27 a and is accumulated in the paper accumulating unit 27.
[0021]
When the booklet bundle Pb is formed from the paper Pa, the booklet bundle Pb is conveyed to the booklet bundle holding unit 29 through the fourth conveyance path 28. The booklet bundle holding unit 29 is provided with a holding table 29a, a clamping plate 29b, an arm 30, a cylinder 31, and a rod 32. When the booklet bundle Pb is placed on the holding table 29a, the cylinder 31 operates to move the holding plate 29b connected to the rod 32 to hold the booklet bundle Pb between the holding table 29a and the holding plate 29b. To do.
[0022]
Next, a motor (not shown) is activated to rotate the arm 30 around the fulcrum 30a, change the direction of the booklet bundle Pb in the right-angle direction, and the level plate Aa of the bookbinding processing start section A. Move in the direction of arrow X toward The booklet bundle Pb is clamped from both sides by the clamper Ab. The following operations of the bookbinding machine are as described with reference to FIG. 5, but the processing in the milling processing unit B is not performed. The reason for this will be described later.
[0023]
FIG. 2 is a perspective view showing the configuration of the azimuth processing unit 22. As shown in FIG. 2, the azimuth processing unit 22 is provided with a pair of rotating rollers 22a and 22b. One rotating roller 22a has a plurality of blades protruding in the longitudinal direction, and an azimuth cutter. 22c is formed. The protrusion height from the surface of the rotary roller 22a of the plurality of blades forming the ajiro cutter 22c and the arrangement interval in the longitudinal direction are appropriately set.
[0024]
The pair of rotating rollers 22a and 22b rotate in the directions indicated by arrows Ra and Rb in opposite directions. The sheet conveyed from the first conveyance path 21 to the azimuth processing unit 22 in the Y direction as viewed in the direction of the arrow is transferred to the second conveyance path 23 while being sandwiched between the pair of rotary rollers 22a and 22b.
[0025]
At this time, the azimuth L is formed at a predetermined position of the paper Pa, for example, at the center, in a direction orthogonal to the transport direction. The azimuth L is formed by intermittently forming perforated thin grooves that penetrate from the front surface to the back surface of the paper Pa.
[0026]
Since the azimuth cutter 22c is formed on the surface of the rotary roller 22a, the rotary roller 22a, which is a sheet conveying means, is also used as a means for forming azimuth eyes. For this reason, it is not necessary to separately provide the sheet conveying means and the azimuth forming means, so that the cost can be reduced.
[0027]
By forming such azimuth stitches L on the paper Pa, when the gluing processing section C glues the back of the booklet bundle Pb, the glue penetrates from the azimuth stitches L and is folded in half. It also adheres to the inner surface.
[0028]
That is, the two sheets are bonded by glue. In this way, by forming azimuths on the paper Pa, the booklet bundle Pb is firmly bonded to the glue adhering portion R as shown in the side view of FIG. Can be prevented.
[0029]
Further, if the paper is simply folded in half, the back surface of the folded paper is swollen, and the strength of the gluing process is reduced. However, when the paper having the azimuth is folded in half, the folded portion is not folded and the back surface is less likely to swell, and the strength of the gluing process can be improved.
[0030]
Since the azimuth L is formed on the paper Pa, the milling is not performed on the booklet bundle Pb so as not to cut the azimuth L. Thus, since the azimuth cutter 22c is provided on one of the rotary rollers rotating in opposite directions, the azimuth eye L can be formed quickly. Further, even for thick paper, the azimuth L can be reliably formed by appropriately selecting the height of the azimuth cutter 22c.
[0031]
As shown in FIG. 1, the sheet conveying device 2 provided with the azimuth cutter 22 c is linearly arranged between the printing machine 1 and the bookbinding machine 3 along the sheet conveying direction. For this reason, since each conveyance mechanism is comprised so that a paper may be conveyed in the same direction, without using a direction change mechanism, the structure of the paper conveyance apparatus 2 can be simplified.
[0032]
In addition, since a predetermined number of sheets of paper printed by a printing machine are folded in half at the position where the azimuths are formed, and a booklet bundle Pb is formed, the booklet bundle of the same page is printed. The number of sheets is half that of the conventional one. For this reason, the fee paid by the user to the printer installer is reduced.
[0033]
【The invention's effect】
In the invention according to claim 1, since the azimuth is formed on the paper, when the gluing process is performed on the back of the booklet bundle by the gluing processing unit of the bookbinding machine, the glue penetrates from the azimuth and is folded in two. It also adheres to the inner surface of each sheet, and the two sheets are bonded by glue. For this reason, the booklet bundle is firmly bonded, and the sheet can be prevented from falling off. Further, since the paper has azimuths, when the paper is folded in half, the folded portion is not folded and the back surface does not swell, and the strength of the gluing process can be further improved.
[0034]
Each conveyance path is arranged in the same direction between the binding machine and the means for printing on paper such as a printing machine or a copying machine. For this reason, since the direction change mechanism is not used for each conveyance path, the configuration of the sheet conveyance device can be simplified.
[0035]
In addition, since the paper printed on the printing machine is folded in half at the position where the azimuths are formed and a predetermined number of sheets are stacked to form a booklet bundle, when forming a booklet bundle on the same page, the number of printed sheets Becomes half of the conventional. For this reason, the fee paid by the user to the printer installer is reduced.
[0036]
Also, A Jirokatta - rotation b - since it is formed on the surface La, the rotation b is a conveyance means of the paper - La will be also used in combination as a means for forming Ajiro eyes. For this reason, it is not necessary to separately provide the sheet conveying means and the azimuth forming means, so that the cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a side view showing a schematic configuration of a sheet conveying apparatus according to an embodiment of the present invention.
FIG. 2 is a perspective view showing an ajiro cutter.
FIG. 3 is a perspective view showing a sheet on which azimuths are formed.
FIG. 4 is a side view showing a state of a pasting process for a booklet bundle made of paper on which azimuths are formed.
FIG. 5 is a configuration diagram illustrating an example of a bookbinding machine.
FIG. 6 is a side view showing a state of a pasting process of a conventional booklet bundle.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Printing machine 2 Paper conveyance apparatus 3 Bookbinding machine 22 Ajiro processing part 24 Baffle 30 Arm Pb Booklet bundle

Claims (1)

A first transport path for transporting printed paper; means for forming azimuths on the paper installed at the end of the first transport path; a second transport path for transporting paper with azimuths formed thereon; A folding means connected to the two conveyance paths and folding the paper in half at the position where the azimuths are formed; a predetermined number of the folded paper is stacked to form a booklet bundle; A rotary roller provided with a third conveyance path for conveying, wherein the respective conveyance paths are arranged in the same direction, and the means for forming the azimuth is formed by projecting a plurality of blades serving as azimuth cutters in the longitudinal direction of the surface. sheet conveying apparatus characterized by a the.

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