JPH0524656U - Paper folding mechanism of paper processing unit - Google Patents

Abstract

(57) [Summary] [Purpose] In a paper folding mechanism using two tension bars, it is possible to prevent continuous papers from contacting each other and smooth the folding operation. [Structure] Two tension bars 18 and 19 for applying a folding tension to the continuous paper 1 in the unfolded state are composed of a plane P including the axes of the tension bars 18 and 19 and a vertical plane Q extending parallel to the axes. The angle X formed is in the range of 20 to 80 degrees clockwise with respect to the vertical plane Q, and the vertical plane Q formed by the continuous paper 1 that has been pulled out and the vertical plane Q is used as a reference. It is provided so as to be smaller than the clockwise angle Y so that the continuous papers 1 do not come into contact with each other.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is a paper processing apparatus for creating postcards, cards, envelopes, etc. by performing appropriate processing such as folding, adhering, cutting, etc. while transporting continuous paper, and the folding paper previously provided for the continuous paper. The present invention relates to a paper folding mechanism that continuously folds in half at a perforation line.

[0002]

[Prior Art]

 In general, continuous paper has feed holes at both ends in the width direction, with feed holes penetrating at regular intervals, and by engaging tractor pins in these feed holes, the continuous paper can be printed. While being transferred in a predetermined direction, desired information is printed on a predetermined portion of the continuous paper by a printer or the like connected to a computer. After this printing, the continuous paper is folded by the paper folding mechanism, the opposite surfaces are adhered while being transported in the same manner, and cut into unit papers to create cards, envelopes, etc. It has been conventionally known that two tension bars are used on the lower drawer side as the above-mentioned paper folding mechanism, but conventionally two tension bars were provided horizontally.

[0003]

[Problems to be solved by the device]

 Therefore, in the conventional paper folding mechanism using two tension bars, the continuous paper that has been pulled out and the continuous paper in the portion where the tension is applied between the two tension bars come into contact with each other. However, there was an inconvenience that it hindered the folding operation. It is an object of the present invention to provide a sheet folding mechanism for a sheet processing apparatus that eliminates such inconvenience.

[0004]

[Means for Solving the Problems]

 A paper pull-out member provided in a direction orthogonal to the paper pull-in guide for upwardly pulling out stacked continuous papers folded in a zigzag shape in a direction orthogonal to the paper pull-in guide of the paper processing device, and the paper pull-in guide. And two tension bars for providing a folding tension to the continuous paper in the unfolded state, the two tension bars being planes including the axes of these two tension bars. An angle X formed by P and a vertical plane Q extending parallel to the respective axes is in the range of 20 to 80 degrees, preferably 30 to 60 degrees clockwise with respect to the vertical plane Q, and The angle Y formed by the continuous paper drawn from the paper drawing member and the vertical plane Q in the clockwise direction with reference to the vertical plane Q. One in which you set is also small.

If the angle X is not in the range of 20 degrees to 80 degrees, sufficient tension necessary for folding operation cannot be applied to the continuous paper, and the angle X is equal to the angle Y. If it is not smaller than that, the continuous sheets will come into contact with each other.

[0006]

[Action]

 The angle X formed by the two tension bars between the plane P including the axes of the two tension bars and the vertical plane Q extending parallel to the axes is 20 degrees clockwise with reference to the vertical planes. The continuous paper is set within a range of 80 degrees, and is smaller than the angle Y of the continuous paper drawn from the paper drawing member and the vertical plane Q in the clockwise direction with reference to the vertical plane Q. In addition, it is possible to apply sufficient tension to the folding operation, and it does not come into contact with the continuous paper that has been pulled out.

[0007]

【Example】

 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Here, FIG. 1 is a schematic overall side view showing the inside of the sheet processing apparatus, FIG. 2 is a partial sectional front view of an essential part, and FIG. 3 is an enlarged explanatory view of the essential part.

First, the continuous paper 1 to be processed will be described. At both lateral ends of the continuous paper 1, feed holes 2 are provided at equal intervals so as to cover the entire length, and at equal intervals in the longitudinal direction. A folding and cutting perforation 3 serving as a boundary between unit sheets is provided. Further, a folding perforation 4 is provided in the center of the continuous paper 1 in the width direction so as to extend over the entire length, and when the folding perforation 4 is used as a fold, the overlapping faces are adhered. Although not shown, a pressure-sensitive adhesive that does not adhere to each other in the normal state but that can adhere when a pressure of a predetermined value or more is applied is applied to each of the overlapping surfaces.

Next, the sheet processing apparatus 10 will be described. As shown in FIG. 1 and FIG. 2, a pair of support legs 12 1 and 12 2 are provided upright on a placing table 11 on which the continuous paper 1 folded in a zigzag shape is placed. A sheet pullout member 13 having a curved surface guide is supported. On the other hand, a cutting device 14, a crimping device 15, and a stacker device 16 are successively arranged in parallel in a direction parallel to the rotation axis of the drawer member 13. Below the cutting device 14, there is provided a margin processing device 38 having a trim winder 36 for winding and processing the cut feed hole 2 portion (marginal portion). The guide member 39 is fixed, and the substrate 17 is movably supported by the guide member 39. On the other hand, above the trim winder 36, the marginal part wound around the trim winder 36 is pressed, and the pressing plate 37 which also functions as a sensor for detecting that the amount exceeds a predetermined amount swings vertically. It is movably installed.

As shown in FIG. 2, two tension bars 18 and 19 for applying a folding tension to the continuous paper 1 in the unfolded state are fixed to the substrate 17, and the anti-fixed ends of these tension bars 18 and 19 are It is connected in a U shape. As shown in FIG. 3, the two tension bars 18 and 19 form an angle between a plane P including the axes of the two tension bars 18 and 19 and a vertical plane Q extending parallel to the axes. X is in the range of 20 to 80 degrees clockwise with respect to the vertical plane Q, and the vertical plane Q that is formed by the continuous paper 1 pulled out from the paper pull-out member 13 and the vertical plane Q is used as the reference. Is set to be smaller than the angle Y in the clockwise direction. The angle X is set to about 50 degrees in this embodiment.

As shown in FIGS. 1 and 2, the cutting device 14 includes a pair of squeezing shafts 20 and 20 extending in a horizontal direction and extending in a direction perpendicular to the tension bars 18 and 19. , 19 and are provided above the squeezing shafts 20, 20, and a curved plate-like sheet drawing-in guide 21 is provided. Following this paper pulling guide 21, there is provided a tractor 23 having a slitter 22 for cutting the marginal portion of the continuous paper 1 and engaging with the feed hole 2 to feed the continuous paper 1 one-sided. Thus, the continuous paper 1 is transported rightward in FIG. The continuous paper 1 pulled out via the paper pull-out member 13 is pulled out toward the front by winding the tension bar 19 on the back side from below, and passes through the tension bar 18 on the front side. Then, the paper is drawn up and passes between the squeezing shafts 20 and 20, and is turned in the orthogonal direction to be guided by the paper drawing guide 21 and supplied to the tractor 23. When passing through the gap between the squeezing shafts 20, 20, the folding perforations 4 are folded in two and the feed holes 2 on both sides are overlapped.

As shown in FIG. 1, following the tractor 23, a pair of upper and lower transfer rollers 24 and 24 and a pair of upper and lower low speed rollers 25 and 25 are rotatably provided, respectively, and are suitable for a motor (not shown). They are connected via a torque transmission mechanism. A rotary blade 26 is provided following the pair of low speed rollers 25, 25, and further, a pair of upper and lower high speed rollers 27, 27 are rotatably provided. These high-speed rollers 27, 27 are connected to the motor (not shown) via an appropriate rotational force transmission mechanism, and are configured to rotate at a higher speed than the rotational speed of the pair of low-speed rollers 25, 25. There is. Therefore, tension is applied by the difference in rotational speed between the high-speed rollers 27, 27 and the low-speed rollers 25, 25, and the rotary blade 26 comes into contact with the folding / cutting perforation 3 so that the folding / cutting is performed. The perforation 3 is cut so as to be torn, and becomes a unit paper. Then, it is sent to the pressure bonding device 15 by a pair of upper and lower transfer rollers 28, 28.

The pressure bonding device 15 is provided with a transfer unit that is a combination of a transfer belt 29 and transfer rollers 30 and 31, two pairs of upper and lower pressure bonding rollers 32 and 32, and a pair of upper and lower transfer rollers 33 and 33. The continuous paper 1, which is composed of a pressure-bonding section, is folded and the marginal section is cut, and when passing through the pair of pressure-bonding rollers 32, 32, the continuous paper 1 is coated with an adhesive (not shown) applied to the overlapping surfaces. A pressure equal to or higher than a predetermined value, which is an adhesion condition, is applied to bond in a folded state.

Then, the adhered unit sheets are sequentially placed on the stacker device 16. The stacker device 16 is provided with a pair of upper and lower pull-in rollers 34, 34 and an abutting guide 35. The unit paper abutted on the abutting guide 35 is transferred in the orthogonal direction and placed on the placing portion. Is configured.

Next, the operation of this embodiment will be described. The continuous paper 1 folded and placed on the placing table 11 by the folding and cutting perforations 3 is pulled out through the paper pull-out member 13, and is passed between the tension bars 19 and 18 in the unfolded state. It is pulled out upward, and is diverted in the orthogonal direction through the gap between the squeezing shafts 20, 20. The continuous paper 1 is folded in two at the folding perforations 4 when passing through the gap between the squeezing shafts 20 and 20 and is guided from the paper drawing guide 21 to the tractor 23 and set in the tractor 23 in a predetermined state. It In this folding operation, sufficient tension is applied to the continuous paper 1, and the continuous paper 1 pulled out from the paper pull-out member 13 does not come into contact with the continuous paper 1 of the tension bars 19 and 18, so that the continuous paper 1 does not slip. Done Then, in the process in which the continuous paper 1 is transported by the feeding operation of the tractor 23, the overlapped marginal portion of the continuous paper 1 is cut by the slitters 22 and 22. The cut marginal portion falls and is taken up by the trim winder 36.

The continuous paper 1 from which the marginal portion has been cut is further transported, tension is given by the difference in transport speed between the pair of low speed rollers 25, 25 and the pair of high speed rollers 27, 27, and folding and cutting are performed. When the rotary blade 26 comes into contact with the perforation 3 for use, the perforation 3 for folding and cutting is cut to form a unit sheet. Then, the cut unit sheets are sent to the two sets of pressure rollers 32, 32 by the transfer belt 29 and the transfer rollers 30, 31, and the pressure roller 32, 32 adheres the unit papers to each other at the overlapping surface. , Are drawn into the drawing rollers 34, 34, and are sequentially placed on the stacker device 16 and stored.

The present invention is not limited to the above-described embodiment, and for example, a plane P including the axes of the two tension bars 18 and 19 and a vertical plane Q extending parallel to the axes. The angle X formed by the continuous paper 1 is not limited to about 50 degrees clockwise with respect to the vertical plane Q, but is in the range of 20 to 80 degrees, and the continuous paper 1 pulled out from the paper pull-out member 13. It may be set to be smaller than the angle Y with respect to the vertical plane Q formed by the vertical plane Q with respect to the vertical direction. Further, the paper pull-out member may be composed of a plurality of rollers or bars which are spaced in the pull-out direction, and in this case, the angle X at the tension bars 18 and 19 is closest to the tension bars 18 and 19. It is determined by the positional relationship with the roller or bar in position. Further, the continuous paper 1 may be folded in a Z-shaped tri-fold, and in this case, the marginal portions are cut by the pair of left and right slitters 22, 22 at both side ends of the continuous paper 1. Further, instead of the tractor 23, a plurality of pairs of rollers may be used for the transfer. In this case, the slitters 22 and 22 may be provided on the rotary shaft of any one of the pair of rollers. Furthermore, the configuration of the pressure bonding device 15 is appropriately changed depending on the type of adhesive applied to the overlapping surface of the continuous paper 1, and in addition, the configuration of the stacker device 16 is not limited to the one described above. The sheet processing device 10 may be a device that performs other processing operations such as a printing operation. Further, the squeezing members 20, 20 do not necessarily have to be provided.

[0018]

[Effect of the device]

 As is clear from the above description, according to the present invention, the angle formed by the plane containing the axes of the two tension bars and the vertical plane extending parallel to the axes is based on these vertical planes. The angle is in the range of 20 degrees to 80 degrees in the clockwise direction and is set smaller than the angle formed by the continuous paper drawn from the paper drawing member and the vertical plane in the clockwise direction with reference to the vertical plane. , The continuous paper can be applied with sufficient tension for folding operation, and the continuous paper that has been pulled out and the continuous paper in the part where the tension is applied between the two tension bars do not come into contact with each other, so that the smooth paper is smooth. The effect that various folding operations can be performed is achieved.

[Brief description of drawings]

FIG. 1 is a schematic side view showing the inside of a sheet processing apparatus.

FIG. 2 is a partial sectional front view of a main part.

FIG. 3 is an enlarged explanatory view of a main part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Continuous paper 11 Processing device 13 Paper drawing member 14 Cutting device 15 Adhesive device 16 Stacker device 18, 19 Tension bar 20 Squeezing shaft 21 Paper drawing guide

Claims (1)

[Scope of utility model registration request] 1. A paper pull-out member provided on a pull-out side of continuous paper stacked by zigzag folding in a direction orthogonal to a paper pull-in guide of a paper processing device, and provided in a direction orthogonal to the paper pull-in guide. Similarly, it is provided in a direction orthogonal to the paper drawing guide,
Two tension bars for applying a folding tension to the continuous paper in the unfolded state, the two tension bars being a plane including the axes of these two tension bars and a vertical line extending parallel to the axes. The angle with the plane is 20 degrees to 8 degrees clockwise with reference to this vertical plane.
Paper processing characterized in that it is in the range of 0 degrees and is smaller than the angle formed by the continuous paper drawn from the paper drawing member and the vertical plane in the clockwise direction with reference to this vertical plane. Paper folding mechanism of the device.