JP2010006518A - Paper feeder, rotary-printing machine, winder, and paper feeding method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a paper feeder can reduce a remained amount of paper of a winder in splicing of a paper web, a rotary-printing machine, a winder, and a paper feeding method. <P>SOLUTION: The paper feeder 2 can continuously feed the web by splicing the paper-web W1 of the first winder R1 during paper feeding and the web of a new second winder R2. Further, in the paper feeder 2, an instruction part is provided on a terminal end part of the web W1 of the first winder R1. Further, a paper splice timing of the web W1 of the first winder R1 and the web of the second winder R2 is selected making a traveling position of the instruction part paid out from the first winder R1 as a reference. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a paper feeding device, a rotary printing machine, a winding body, and a paper feeding method. More specifically, the present invention relates to a paper feeding device, a rotary printing machine, a winding machine that can reduce the amount of paper remaining on the winding body when a web is spliced. The present invention relates to a collecting body and a paper feeding method.

  A recent paper feeding device used in a rotary printing press can continuously supply a web by splicing a web of a first winding body and a new web of a second winding body that are being fed. In such a paper feeding device, the remaining paper of the first winding body after paper splicing is collected by a predetermined collecting device. For example, a technique described in Patent Document 1 is known as such a recovery apparatus.

JP-A 63-147754

  Here, the smaller the amount of remaining paper in the first winding body after paper splicing, the better. If the amount of remaining paper in the first winder is large, for example, it will be technically difficult to cleanly collect the unwinded residual paper, or the remaining paper collection device will become complicated and the manufacturing cost of the paper feeder will increase. There are issues such as. Here, the recovery device refers to a device that cleanly rewinds the unwinded remaining paper. Further, when the remaining paper is not properly wound, an abnormality occurs in the remaining core collecting process in the subsequent process, and there is a problem that the sheet feeding floor cannot be unmanned (fully automated). Here, the collection process refers to an automatic process in which the remaining core removed from the arm is placed on a transport carriage and collected in a warehouse.

  Accordingly, the present invention has been made in view of the above, and provides a paper feeding device, a rotary printing machine, a winder, and a paper feeding method that can reduce the amount of remaining paper in the winder during web splicing. The purpose is to do.

  In order to achieve the above object, a paper feeding device according to the present invention continuously feeds a web by joining a web of a first winding body and a new web of a second winding body that are being fed. A sheet feeding device, wherein an instruction portion is provided at an end portion of the web of the first winder, and the first position is based on a travel position of the instruction portion unwound from the first winder. The splicing time between the web of the winding body and the web of the second winding body is selected.

  In this paper feeding device, an instruction unit is provided at the end of the web of the first winding body, and the running position of the instruction unit unwound from the first winding body (or when the indication unit is detected) is used as a reference. The web splicing time between the web of the first winding body and the web of the second winding body is selected. In such a configuration, since the web splicing is performed at the end of the web of the first winding body, the web splicing time is optimized. Thereby, there exists an advantage by which the amount of remaining paper of the 1st winding body at the time of the paper splicing of a web is reduced.

  A paper feeding device according to the present invention is a paper feeding device that continuously feeds a web by splicing a web of a first winding body and a web of a new second winding body that are being fed. An end portion of the web of the first winding body is provided with an instruction section, and the web of the first winding body is based on the travel position of the instruction section unwound from the first winding body. The cutting time is selected.

  In this paper feeding device, the web is cut at the end of the web of the first winding body, so that the web splicing timing is optimized. Thereby, there exists an advantage by which the amount of remaining paper of the 1st winding body at the time of the paper splicing of a web is reduced.

  Further, the paper feeding device according to the present invention is provided with a paste jetting device for spraying glue on at least one of the web of the first winding body or the web of the second winding body, and the first winding body. The glue spraying device sprays glue onto the web of the first winding body or the web of the second winding body with reference to the travel position of the indicating unit that has been unwound from the web.

  In this paper feeder, the paste is sprayed onto the winding body at the end portion of the web of the first winding body for tailoring. Therefore, there is an advantage that the amount of remaining paper of the first winding body at the time of web splicing is reduced by optimizing the timing of spraying the glue.

  In the sheet feeding device according to the present invention, a cut is provided at the end of the web W1 of the first winding body.

  In this paper feeding device, when the web of the first winding body is unwound to the end, the web is cut by tension at this break. Therefore, by providing the cut at an appropriate position, there is an advantage that the amount of remaining paper of the first winding body at the time of web splicing is effectively reduced. Further, there is an advantage that a cutter device for cutting the web unwound from the first winding body can be eliminated when the web is spliced.

  In the sheet feeding device according to the present invention, the adhesive force between the first winding body and the paper tube of the first winding body is lower than the breaking strength of the first winding body.

  In this paper feeding device, the adhesive force between the web of the first winding body and the paper tube is adjusted. In such a configuration, the web of the first winder is not drawn out to the end and separated from the paper tube at the time of paper splicing, so the remaining paper of the first winder becomes zero. Thereby, there exists an advantage by which the amount of remaining paper of the 1st winding body at the time of the paper splicing of a web is reduced effectively. Further, there is an advantage that a cutter device for cutting the web unwound from the first winding body can be eliminated when the web is spliced.

  Moreover, the rotary printing press concerning this invention has a paper feeder as described in any one of said.

  A winding body according to the present invention is a web winding body used in a paper feeding device, and is characterized in that a predetermined instruction section is provided at the end of the web.

  Further, the paper feeding method according to the present invention is a paper feeding method in which the web is continuously fed by splicing the web of the first winding body being fed and the web of the new second winding body. When the indicator is provided at the end of the web of the first winding body, the first winding is based on the travel position of the indicator that is unwound from the first winding body. A web splicing time between the web of the body and the web of the second winding body is selected.

  Further, the paper feeding method according to the present invention is a paper feeding method in which the web is continuously fed by splicing the web of the first winding body being fed and the web of the new second winding body. When the indicator is provided at the end of the web of the first winding body, the first winding is based on the travel position of the indicator that is unwound from the first winding body. The cutting time of the body web is selected.

  In the paper feeding device according to the present invention, the indicator is provided at the end of the web of the first winder, and the travel position of the indicator that is unwound from the first winder (or when the indicator is detected). ) Is selected as the reference time for the web of the first and second webs. In such a configuration, since the web splicing is performed at the end of the web of the first winding body, the web splicing time is optimized. Thereby, there exists an advantage by which the amount of remaining paper of the 1st winding body at the time of the paper splicing of a web is reduced.

  Hereinafter, the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments. Further, the constituent elements of this embodiment include those that can be replaced while maintaining the identity of the invention and that are obvious for replacement. In addition, a plurality of modifications described in this embodiment can be arbitrarily combined within a range obvious to those skilled in the art.

  FIG. 1 is a configuration diagram showing a sheet feeding device according to an embodiment of the present invention. 2 to 6 are a flowchart (FIG. 2), a timing chart (FIG. 3), and an explanatory diagram (FIGS. 4 to 6) showing the operation of the sheet feeding device shown in FIG. 1. 7 to 9 are explanatory diagrams illustrating modifications of the sheet feeding device illustrated in FIG. 1. FIG. 10 is a configuration diagram showing a general rotary printing press.

[Rotary printing press]
The rotary printing press 1 is applied to, for example, a newspaper offset rotary printing press (see FIG. 10). The rotary printing machine 1 includes a plurality of paper feeding devices 2, a plurality of printing devices 3, a web pass device 4, and a folding machine (web folding device) 5. Each sheet feeding device 2 has a winding body (web roll) R composed of a web W wound in a roll shape, and supplies the web W to the rear devices 3 to 5. The printing device 3 performs predetermined printing on the web W supplied from each paper feeding device 2. For example, in this embodiment, the printing apparatus 3 includes a plurality of multicolor printing apparatuses 31 that perform double-sided and four-color printing and a plurality of two-color printing apparatuses 32 that perform double-sided and two-color printing. However, the present invention is not limited to this, and the printing apparatus 3 is a combination of various units according to the printed matter, such as a double-sided monochrome printing unit that performs double-sided monochrome printing, and a multicolor printing unit that performs four-color printing on one side or two colors. It may be configured (not shown). The web pass device 4 has a large number of turn bars (not shown). The web pass device 4 uses these turn bars to change the travel route of each web W sent from the printing device 3 and superimposes the webs W in a predetermined order. The folding machine 5 forms a signature by cutting and folding the printed web W delivered from the web pass device 4.

[Paper Feeder]
Each sheet feeding device 2 includes three holding arms 21 and a sheet joining device 22 (see FIG. 1). Each holding arm 21 holds a wound body (web roll) R formed of a web W wound in a roll shape. In addition, each holding arm 21 is disposed so as to be rotatable while being shifted in phase by 120 degrees with respect to a single rotation axis. By rotating these holding arms 21, the winding body R can be moved to a predetermined paper feeding position. The sheet splicing device 22 performs sheet splicing between the web W1 of the first winding body R1 and the web W2 of the second winding body R2 at the paper feeding position. This paper splicing device 22 includes a paster arm 221, a pair of guide rollers 222, 222, a paster roller 223, and a cutter 224, and is disposed in the vicinity of the outer periphery of the second winding body R2. The paster arm 221 is an arm-like member disposed in the vicinity of the second winding body R2, and can move between a predetermined paper splicing position and a predetermined standby position with respect to the second winding body R2. The pair of guide rollers 222, 222 are parts for guiding the web W <b> 1 of the traveling first winding body R <b> 1 and are disposed on the paster arm 221. The paster roller 223 is a component for pressing the web W1 of the first winding body R1 against the outer peripheral surface (web W2) of the second winding body R2, and is disposed on the paster arm 221. The cutter 224 is a part for cutting the web W1 of the first winding body R1 after the webs W1 and W2 are spliced, and is disposed on the paster arm 221.

  Here, in the paper feeding device 2, an instruction unit T is provided at the end of the web W1 of the first winding body R1 (near the core of the winding body) (see FIG. 5). For example, the indication portion T includes a coloring portion (see FIG. 5) applied to the surface of the web W1, a tab (see FIG. 7) attached to an end portion of the web W1, and a reflection attached to the surface of the web W1. It can be composed of a tape or the like.

  In addition, the paper feeding device 2 has a glue injection device 23 (see FIG. 1). The glue spraying device 23 is a device that performs tailoring by spraying glue on the web W of the winding body R. For example, in this embodiment, the glue injection device 23 is disposed in the vicinity of the new second winding body R2, and the glue can be jetted to a predetermined position on the outer peripheral surface (web W2) of the second winding body R2. (See FIG. 4). Further, the paste injection device 23 has a plurality of paste injection nozzles. In addition, the paste injection device 23 may be disposed in the vicinity of the web W1 of the first winding body R1 that travels, and spray the glue onto the web W1 of the first winding body R1 (see FIG. 8).

[Web splicing]
In the paper feeding device 2, the web splicing work of the webs W1 and W2 is performed as follows (see FIGS. 1 to 6). First, when the remaining amount of the first winding body R at the paper feeding position decreases, preparation for paper splicing is performed. In preparation for this paper splicing, first, the rotation speed of the new second winding body R2 is accelerated to the rotation speed corresponding to the traveling speed of the web W1 unwound from the first winding body R1 (ST11).

  Next, the paster arm 221 of the paper splicing device 22 descends from a predetermined standby position (see FIG. 1) and moves to the vicinity of the second winding body R2 (paper splicing position) (ST12) (see FIG. 4). In this state, the web W <b> 1 of the first winding body R <b> 1 is guided by the guide rollers 222 and 222 of the paper splicing device 22.

  Next, the traveling position of the indicating unit T of the first winding body R1 is detected (ST13). Specifically, when the web W1 is unwound from the first winding body R1 and an instruction section T at the end of the web W1 appears, the travel position of the instruction section T is detected by the detection device 231. To be acquired. Note that the detection device 231 of the instruction unit T includes, for example, a proximity sensor such as an optical sensor, a magnetic sensor, or an ultrasonic sensor disposed around the first winding body R1.

  Next, the paper splicing device 22 presses the paster roller 223 against the web W1 of the first winding body R1 (ST14). Thereby, the web W1 of the first winding body R1 is pressed against and contacts the web W2 of the second winding body R2.

  Next, the glue injection device 23 injects glue onto the outer peripheral surface (web W2) of the second winding body R2, so that the second winding body R2 is finished (glued) (glue injection step ST15). (See FIGS. 4 and 5). This glue injection step ST15 is performed at a predetermined timing with reference to the travel position of the instruction portion T of the first winding body R1 (when detected by the detection device 231) (see FIG. 3). Then, when the tailoring position of the second winding body R2 (position where the paste is sprayed) is moved to the position of the paster roller 223 by the rotation of the second winding body R2, the tailoring position of the second winding body R2 and the first The web W <b> 1 of the winding body R <b> 1 contacts while being pressed by the paster roller 223. Thereby, the web W2 of the second winding body R2 and the web W1 of the first winding body R1 are bonded, and the web W1 of the first winding body R1 and the web W2 of the second winding body R2 are paper. It is succeeded.

  Next, the first winding body R1 is cut by the paper splicing device 22 pressing the cutter 224 against the web W1 of the first winding body R1 (winding body cutting step ST16). At this time, the cutting of the web W1 of the first winding body R1 is performed at a predetermined timing (see FIG. 3) with reference to the travel position of the instruction unit T of the first winding body R1 (when detected by the detection device 231). Done.

  Next, the paper splicing device 22 raises the paster arm 221 and returns it to the original standby position (ST17) (see FIG. 6). Thereafter, the three holding arms 21 rotate, and the new second winding body R2 moves to a predetermined paper feeding position (ST18). Thereby, the web W1 of the first winding body R1 and the web W2 of the second winding body R2 and the paper splicing are completed, and the web W is continuously supplied to the rear devices 3 to 5.

[effect]
As described above, in the paper feeder 2 (rotary printing press 1), the instruction unit T is provided at the end of the web W1 of the first winding body R1, and the unwinding from the first winding body R1. The splicing time between the web W1 of the first winding body R1 and the web W2 of the second winding body R2 is selected based on the travel position of the instruction section T (or when the instruction section T is detected). In this configuration, since the webs W1 and W2 are spliced at the end of the web W1 of the first winding body R1, the splicing timing of the webs W1 and W2 is optimized. Thereby, there exists an advantage by which the amount of remaining sheets of 1st winding body R1 at the time of the paper splicing of web W1, W2 is reduced. For example, in a configuration in which the web splicing timing is selected based on the measurement result of the outer diameter of the first winding body (not shown), the first winding is caused by an error in measuring the outer diameter of the first winding body. The remaining amount of paper on the body may be large.

  Further, in the paper feeding device 2, an instruction portion T is provided at the end of the web W1 of the first winding body R1, and the travel position of the instruction portion T unwound from the first winding body R1 is used as a reference. As a result, the web W1 of the first winding body R1 is cut (ST16). In such a configuration, since the web W1 is cut at the end of the web W1 of the first winding body R1, the web splicing timing of the webs W1 and W2 is optimized. Thereby, there exists an advantage by which the amount of remaining sheets of 1st winding body R1 at the time of the paper splicing of web W1, W2 is reduced. For example, in the configuration in which the cutting position of the web of the first winding body is selected based on the measurement result of the outer diameter of the first winding body (not shown), due to the measurement error of the outer diameter of the first winding body, etc. There is a possibility that the amount of remaining paper in the first winding body becomes large.

[Modification]
The paper feeder 2 is also provided with a glue injection device 23 for spraying glue onto the web W2 of the second winding body R2 (or the web W1 of the first winding body R1) (FIGS. 1 and 4). Alternatively, see FIG. Then, the glue injection device 23 is applied to the web W2 of the second winding body R2 (or the web W1 of the first winding body R1) on the basis of the traveling position of the instruction portion T unwound from the first winding body R1. The paste is sprayed for tailoring (ST15). In such a configuration, the paste is sprayed onto the winding body at the end of the web W1 of the first winding body R1, and tailoring is performed. Therefore, by optimizing the timing of jetting the glue, there is an advantage that the amount of remaining paper in the first winding body R1 when the webs W1, W2 are spliced is reduced.

  Moreover, in this paper feeder 2, the cut | interruption C may be provided in the terminal part of the web W1 of 1st winding body R1 (refer FIG. 9). For example, a perforation or a slit is formed at the end of the web W1. In such a configuration, when the web W1 of the first winding body R1 is unwound to the end, the web w1 is cut by tension at the cut C. Therefore, by providing the cut C at an appropriate position, there is an advantage that the amount of remaining paper of the first winding body R1 when the webs W1 and W2 are spliced is effectively reduced.

  Moreover, in this paper feeder 2, it is preferable that the adhesive force between the web W1 of the first winding body R1 and the paper tube is lower than the breaking strength of the first winding body R1 (not shown). That is, the adhesive force between the web W1 of the first winding body R1 and the paper tube is adjusted. In such a configuration, the web W1 of the first winding body R1 is pulled out to the end and separated from the paper tube at the time of paper splicing, so the remaining paper of the first winding body becomes zero. Thereby, there exists an advantage by which the amount of remaining sheets of the 1st winding body R1 at the time of the paper splicing of the webs W1 and W2 is reduced effectively.

  In addition, these configurations have an advantage that the cutter 224 for cutting the web W1 can be omitted at the time of paper splicing. In addition, there is an advantage that timing adjustment for cutter operation, maintenance of the cutter, and the like are unnecessary, and there is an advantage that the paper splicing device is simplified. In addition, when collecting the remaining paper of the first winding body R1, a tape is attached to the remaining paper so that the remaining paper is not scattered, and the remaining paper is placed on the collecting carriage. There is an advantage that a device for attaching is unnecessary. Further, there is an advantage that the cost for collecting the remaining paper is reduced, the reliability of the paper feeding device is improved, and the maintainability of the paper feeding device is improved. In addition, when the remaining paper is wound in a bad state, an abnormality that occurs in the remaining core collecting process in the subsequent process is reduced. As a result, there is an advantage that the sheet feeding floor can be unmanned (fully automated).

  As described above, the paper feeding device, the rotary printing machine, the winding body, and the paper feeding method according to the present invention are useful in that the amount of remaining paper on the winding body at the time of web splicing can be reduced.

It is a block diagram which shows the paper feeder concerning the Example of this invention. 3 is a flowchart illustrating an operation of the sheet feeding device illustrated in FIG. 1. 3 is a timing chart illustrating an operation of the sheet feeding device illustrated in FIG. 1. It is explanatory drawing which shows the effect | action of the paper feeder described in FIG. It is explanatory drawing which shows the effect | action of the paper feeder described in FIG. It is explanatory drawing which shows the effect | action of the paper feeder described in FIG. FIG. 10 is an explanatory diagram illustrating a modification of the paper feeding device illustrated in FIG. 1. FIG. 10 is an explanatory diagram illustrating a modification of the paper feeding device illustrated in FIG. 1. FIG. 10 is an explanatory diagram illustrating a modification of the paper feeding device illustrated in FIG. 1. It is a block diagram which shows a general rotary printing press.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rotary printing machine 2 Glue injection apparatus 21 Holding arm 22 Paper splicing apparatus 23 Glue injection apparatus 3 Printing apparatus 31 Multicolor printing unit 32 Two-color printing unit 4 Web pass apparatus 5 Folding machine 221 Paster arm 222 Guide roller 223 Paster roller 224 Cutter R1 1st winding body R2 2nd winding body

Claims (9)

A paper feeding device that continuously feeds a web by splicing a web of a first winding body and a new web of a second winding body during feeding,
An instruction portion is provided at the end of the web of the first winding body, and the web of the first winding body and the first are on the basis of the travel position of the instruction portion unwound from the first winding body. A paper feeding device in which a paper splicing time with a web of a two-roller is selected. A paper feeding device that continuously feeds a web by splicing a web of a first winding body and a new web of a second winding body during feeding,
An instruction portion is provided at the end of the web of the first winding body, and the cutting time of the web of the first winding body is based on the travel position of the instruction portion unwound from the first winding body. Is selected.   A glue injection device for spraying glue on at least one of the web of the first winding body or the web of the second winding body is provided, and the travel position of the indicating unit unwound from the first winding body 3. The sheet feeding device according to claim 1, wherein the glue spraying device performs tailoring by spraying glue on the web of the first winding body or the web of the second winding body with reference to the above.   The sheet feeding device according to any one of claims 1 to 3, wherein a cut is provided at an end portion of the web W1 of the first winding body.   The sheet feeding device according to any one of claims 1 to 4, wherein an adhesive force between the first winding body and the paper tube of the first winding body is lower than a breaking strength of the first winding body.   A rotary printing press comprising the paper feeding device according to any one of claims 1 to 5.   A web winding body for use in a paper feeding device, wherein a predetermined instruction section is provided at an end portion of the web. A paper feeding method for continuously feeding a web by splicing a web of a first winding body being fed and a web of a new second winding body,
The web of the first winding body with reference to the travel position of the instruction portion unwound from the first winding body when an instruction portion is provided at the end of the web of the first winding body And a web splicing timing of the second winding body is selected. A paper feeding method for continuously feeding a web by splicing a web of a first winding body being fed and a web of a new second winding body,
The web of the first winding body with reference to the travel position of the instruction portion unwound from the first winding body when an instruction portion is provided at the end of the web of the first winding body The sheet feeding method is characterized in that the cutting time is selected.

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