JP3681282B2 - Single piece paper folding device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a single piece paper folding device that folds a single piece of paper at a folding perforation, and particularly to a single piece of paper folding device, and includes a pair of drawing rollers and a pair of folding rollers, The present invention relates to a single-sheet paper folding apparatus provided with first and second guide plates in a pair of upper and lower provided.
[0002]
[Prior art]
A conventional single-sheet folding apparatus of this type is configured to guide a single-sheet sheet pulled in by a pair of pull-in rollers into a first guide plate that is a pair of upper and lower pairs and abut the leading end against a first butting plate. Folded at a predetermined folding part, and the folded part was transferred by sandwiching one of the drawing rollers and one of the folding rollers into a folded state, and the folded paper was paired up and down. Guided into the second guide plate and the bent end against the second abutting plate, depending on the position of the second abutting plate, or bent at another folding part, and transferred by a pair of folding rollers. Then, it is discharged in the folded state or in the folded state.
[0003]
The pair of pull-in rollers and the pair of folding rollers have circumferential surfaces that extend continuously in parallel with the rotation axis, and the leading ends of the first and second pair of upper and lower guide plates The roller is configured in a straight line extending in parallel with the circumferential surface so as not to contact the circumferential surface of each roller.
[0004]
[Problems to be solved by the invention]
However, in this conventional example, the tip of each guide plate is configured to be separated from the peripheral surface so as not to contact the peripheral surface of each roller, so that the single sheet is sandwiched by a pair of rollers. Thus, it is difficult to smoothly and surely feed the guide plates into the pair of upper and lower pairs, and in some cases, a single piece of paper is sent to the outside of each guide plate.
[0005]
An object of the present invention is to provide a single sheet folding apparatus that can eliminate such inconvenience and can smoothly and reliably feed a single sheet into a pair of upper and lower guide plates.
[0006]
[Means for Solving the Problems]
In order to achieve this object, a single-sheet folding apparatus according to claim 1 of the present invention has a pair of drawing rollers and a pair of folding rollers having a plurality of rollers provided at intervals in the axial direction. In addition, an introduction guide member such as a guide plate for introducing a single piece of paper into the first and second guide plates that are paired up and down is provided in the space between the rollers.
[0007]
In order to achieve the above object, a single-sheet folding apparatus according to claim 2 of the present invention introduces a single-sheet paper into each of the first and second guide plates that are vertically paired. The guide member is formed by extending the tip portions of the first and second guide plates.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment in the case of applying to a single-sheet paper folding and crimping apparatus in which a folding apparatus of the present invention is provided with a crimping apparatus for crimping an overlapping adhesive surface of folded sheets will be described with reference to the accompanying drawings. . Here, FIG. 1 is a schematic perspective view showing an appearance of a single-sheet paper folding and bonding apparatus, FIG. 2 is a schematic side view showing an internal mechanism of the folding apparatus, FIG. 3 is a schematic plan view, and FIG. FIG. 5 is an operation explanatory view showing the same folding operation, FIG. 6 is an operation explanatory view showing the same folding operation, FIG. 6 is a schematic side view showing the internal mechanism of the crimping apparatus, and FIG. It is a top view.
[0009]
First, an example of the configuration of a single piece sheet to be processed will be described with reference to FIG. The single piece sheet 101 is a sheet for tri-fold postcards, and is divided into address description pieces 104 and information description pieces 105 and 106 by the folding perforations 102 and 103, and these three pieces 104, 105 and 106 are divided. Underneath, a cut piece 108 is provided with a cut line 107 as a boundary. This single piece sheet 101 is a bill, and predetermined items are printed or printed in advance on the front surface (the surface shown in FIG. 7) of each piece 104, 105, 106. The opening method is printed in advance.
[0010]
Then, after the cutting piece 108 is cut off by the cut line 107, the back surface of the address description piece 104 and the information description piece 105 is folded by the folding perforation 102, and each of the information description pieces 105, 106 is folded by the folding perforation 103. Fold the surfaces together. Although not shown in the drawing, a pressure-sensitive adhesive that can be peeled off after bonding is previously applied to these overlapping surfaces, and the single-sided paper 101 can be folded in three and then pressed to peel the overlapping surfaces. It adheres to.
[0011]
Note that the single-sheet paper 101 to be processed may not have the cutting piece 108. Further, it may be folded in two, and in this case, it can be constituted by an address description piece 104 and an information description piece 105 connected to the folding perforation 102 as a boundary. Further, it goes without saying that the use of the single piece paper 101 is not limited to postcard use.
[0012]
Next, the configuration of the single piece paper folding and crimping apparatus will be described. As shown in FIG. 1, the single-sheet paper folding and crimping apparatus 1 includes a folding apparatus 2 and a crimping apparatus 3. As shown in FIGS. 2 and 3, the folding device 2 has a pair of insertion guides 5a and 5b that are movable in the direction of contact and separation along the guide hole 4 so that the facing distance can be adjusted according to the paper width. The single-sheet paper 101 set in a predetermined state on the paper insertion table 6 is drawn into the folding device 2 by the pickup rollers 7a, 7b, and 7c and transferred.
[0013]
Subsequent to the pickup rollers 7a, 7b, 7c, a pair of upper and lower slit blades 8a, 8b for cutting the holding piece 108 with a cutting line 107 are provided. These slit blades 8a and 8b are provided so as to be able to contact and separate from each other in the rotation axis direction. The slit blades 8a and 8b can be slit when in a contact state, but cannot be slit when in a separation state. The contact / separation state is selected and set according to the presence / absence of the 101 strip 108.
[0014]
A drop guide plate 9 is provided in the transfer path of the cut piece 108 so that its upper end protrudes into the transfer path. The holding piece 108 that abuts on the upper end of the dropping guide plate 9 is guided to the slit blade 8b side of the dropping guide plate 9 and dropped downward, and is stored in the holding piece storage box 10.
[0015]
Following a pair of upper and lower slit blades 8a, 8b, a pair of pull-in rollers 11a, 11b each having six rollers arranged at equal intervals in the axial direction, and a pair of folding rollers each having the same six rollers 12a and 12b, the drawing roller 11a and the folding roller 12a rotate clockwise in FIG. 2, and the drawing roller 11b and the folding roller 12b rotate counterclockwise in FIG. Yes.
[0016]
Further, a pair of upper and lower first guide plates 14a and 14b for starting a folding operation at the folding perforation 102 by abutting the single piece paper 101 drawn by the drawing rollers 11a and 11b against the first abutting plate 13 are provided. Provided. The leading end portions of the pair of upper and lower first guide plates 14a and 14b constitute an introduction guide member. As can be understood from FIGS. 2 and 3, at the space between the drawing rollers 11a and 12a, the drawing rollers 11a. , 12a.
[0017]
Further, the pulling roller 11b and the folding roller 12a that are in contact with each other form a pair to sandwich the folding perforation 102 portion, and assured folding, are guided to the pair of upper and lower second guide plates 15a and 15b, and the second projection The folding perforation 103 is started by abutting against the contact plate 16, and the folding rollers 12a and 12b are configured to send out the folding at the folding perforation 103 with certainty. The leading ends of the pair of upper and lower second guide plates 15a and 15b also constitute an introduction guide member. As can be understood from FIG. 3, the pull-in rollers 11b and 12b are similar to the first guide plate 14 described above. In the space portion, the position extends to a position corresponding to each of the drawing rollers 11a and 12a.
[0018]
The abutting plates 13 and 16 are movably provided along the guide plates 14a, 14b, 15a, and 15b, and are positioned according to the positions of the folding perforations 102 and 103. The second abutting plate 16 is set on the back end side of the second guide plates 15a and 15b as shown in FIGS. As shown in FIG. 5, the second guide plates 15a and 15b are set on the front end side.
[0019]
Further, following the pair of folding rollers 12a and 12b, two transfer belts 17a and 17b arranged in parallel for transferring the single-sheet paper 101 folded in a predetermined state to the crimping device 3 are provided. Transfer rollers 18a and 18b are provided at the transfer ends of the transfer belts 17a and 17b so that the single-sheet paper 101 folded in an appropriate state is fed into the crimping device 3.
[0020]
As shown in FIG. 6, the pressure bonding device 3 includes a pair of pressure rollers 19 a and 19 b, and when passing through these pressure rollers 19 a and 19 b, a predetermined pressure is applied to the folded single piece paper 101, The superimposed surface is bonded to form a tri-fold postcard 21. Further, the adjusting knob 20 shown in FIG. 1 is configured so that the facing distance between the pressure rollers 19a and 19b can be adjusted according to the paper thickness.
[0021]
Next, the single-sheet folding and bonding operation according to this embodiment will be described. First, the case of tri-folding will be described. In this case, as described above, the second butting plate 16 is set on the back end side of the second guide plates 15a and 15b. When the single piece paper 101 shown in FIG. 7 is set in a predetermined state on the paper insertion table 6 shown in FIGS. 1 to 3 and the folding device 2 and the crimping device 3 are started, the single piece paper 101 is picked up by the pickup roller 7a. , 7b, 7c are pulled into the folding device 2.
[0022]
The single-sheet paper 101 drawn into the folding device 2 is cut by a pair of upper and lower slit blades 8 a and 8 b along a cutting line 107, and the cut piece 108 is a slit blade 8 b of the drop guide plate 9. It is guided to the side, falls downward, and is stored in the strip storage box 10.
[0023]
As shown in FIG. 4 (a), the single piece of paper 101, which has been cut into the addressing piece 104 and the information writing pieces 105, 106, is moved up and down by the rotational driving force of the drawing rollers 11a, 11b. Guided into the pair of first guide plates 14a and 14b, the leading end is abutted against the first abutment plate 13, and the folding operation at the perforation 102 for folding starts as shown in FIG. 4 (b).
[0024]
Next, as shown in FIG. 4 (c), the folding perforation 102 is sandwiched between the drawing roller 11b and the folding roller 12a that are in contact with each other, and the pair of upper and lower second guide plates 15a , 15b and abutted against the second abutting plate 16. Furthermore, when the single-sheet paper 101 continues to be transferred by the drawing roller 11b and the folding roller 12a, the folding operation at the folding perforation 103 starts.
[0025]
Then, as shown in FIG. 4D, the folding perforation 103 is sandwiched between the folding rollers 12a and 12b, and the end opposite to the folding perforation 102 of the addressing piece 104 is also sandwiched. In addition to the folded state, the folding is ensured and sent out toward the transfer belts 17a and 17b.
[0026]
In this tri-folding operation, the leading ends of the guide plates 14a, 14b, 15a, and 15b extend to positions corresponding to the rollers 11a, 11b, 12a, and 12b at intervals between the rollers 11a, 11b, 12a, and 12b. Therefore, the single piece paper 101 can be reliably and smoothly guided into the guide plates 14a, 14b, 15a, and 15b.
[0027]
The single-sheet paper 101 folded in a predetermined three-fold state is transferred by the transfer belts 17 a and 17 b and sent to the pressure bonding device 3. Then, a predetermined pressure is applied by the pair of pressure rollers 19a and 19b, and the overlapping surfaces are bonded to form a tri-fold postcard 21.
[0028]
When folding a single piece of paper in half, as described above, the second butting plate 16 is set on the front end side of the second guide plates 15a and 15b and the folding operation is started. As shown in FIG. 5 (a), the single piece paper is drawn into the pair of upper and lower first guide plates 14a, 14b by the rotational driving force of the drawing rollers 11a, 11b, and the leading end is the first abutting plate 13. As shown in FIG. 5B, the folding operation at the folding perforation is started.
[0029]
Next, as shown in FIG. 5 (c), the folding perforation portion is sandwiched between the drawing roller 11b and the folding roller 12a that are in contact with each other, and a pair of upper and lower second guides are folded in a folded state to ensure folding. It is guided into the plates 15 a and 15 b and is abutted against the second abutting plate 16.
[0030]
Then, the transfer direction is changed by the second abutting plate 16, and as shown in FIG. 4 (d), the folding perforations are sandwiched between the folding rollers 12a and 12b and directed toward the transfer belts 17a and 17b. Send it out.
[0031]
Even in the folding operation, the leading ends of the guide plates 14a, 14b, 15a, 15b extend to the gaps between the rollers 11a, 11b, 12a, 12b. , 14b, 15a, 15b.
[0032]
Note that the present invention is not limited to the above-described embodiment. For example, the guide plate on the paper insertion table 6 side is extended to the space between the drawing rollers 11a and 11b, and the extending portions corresponding to the drawing rollers 11b are as follows. The lead guide member may be formed by being curved so as to extend in the direction of the second guide plate 15a, while the tip portion corresponding to the interval portion of the first guide plate 14a and the second guide plate 15a may be configured without extending. Good. Further, in the case where only the single piece paper 101 that does not have the tab 108 is to be processed, it is not necessary to provide the slit blades 8a and 8b and the drop guide plate 9. Furthermore, the crimping device 3 is not necessarily provided.
[0033]
【The invention's effect】
As is apparent from the above description, according to the first aspect of the present invention, the single piece of paper can be smoothly and surely fed into the pair of upper and lower guide plates, and the folding operation is ensured. There is an effect that can be done.
[0034]
Further, according to the invention described in claim 2, in addition to the above-described effect, there is an effect that the configuration is simple.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view showing an external appearance of a single-sheet paper folding bonding apparatus.
FIG. 2 is a schematic side view showing an internal mechanism of the folding device.
FIG. 3 is a schematic plan view of the same.
FIG. 4 is an operation explanatory view showing a three-fold operation.
FIG. 5 is an operation explanatory view showing a double folding operation.
FIG. 6 is a schematic side view showing an internal mechanism of the crimping apparatus.
FIG. 7 is a schematic plan view of a single piece of paper.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Folding adhesion apparatus 2 Folding apparatus 3 Crimping apparatus 11a, 11b Pull-in roller 12a, 12b Folding roller 13 1st abutting board 14a, 14b 1st guide board 15a, 15b 2nd guide board 16 2nd abutting board 101 Single piece paper 102,103 perforation for folding

Claims (2)

A pair of drawing rollers and a pair of folding rollers are provided, and the single-sheet paper drawn by the pair of drawing rollers is guided by a first pair of upper and lower guide plates, and the leading end thereof is used as a first abutting plate. Abutting and folding at a predetermined folding part, this bent part is transferred by sandwiching one of the drawing rollers and one of the folding rollers as a pair, and guided and bent by a second guide plate paired vertically. A single-sheet paper folding apparatus that abuts an end against a second abutting plate and is transferred by the pair of folding rollers to be in a desired folded state, wherein the pair of drawing rollers and the pair of folding rollers are , Having a plurality of rollers provided at intervals in the axial direction, and introducing a single piece of paper into the first and second guide plates that are paired up and down in the interval portion of these rollers A guide member was provided Single piece sheet folding apparatus characterized by and. An introduction guide member for introducing a single piece of paper into the first and second guide plates that are paired up and down is configured by extending the leading ends of the first and second guide plates. The single-sheet paper folding apparatus according to claim 1, wherein

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