JP5916539B2 - Web tailoring structure and method - Google Patents

Description

  The present invention relates to a web tailoring structure and a tailoring method for tailoring a leading end of a web to pass through a printing press.

  For example, an offset rotary printing press for newspaper includes a paper feeding device having a plurality of paper feeding units, a printing device having a plurality of printing units, a web pass device, a folding machine having a plurality of folding units, and a paper discharging device. It consists of and. Therefore, when a web is supplied from the paper feeder to each printing unit, printing is performed on each web by each printing unit, and a plurality of web travel routes are changed by the web pass device in a predetermined order. After being overlaid, the web is vertically folded by a folding machine and then horizontally cut by a predetermined length. A folded sheet is formed by transverse folding, and the sheet is discharged as printed matter (newspaper).

  In the newspaper offset rotary printing press configured as described above, before the start of printing, the leading end of the web (roll paper) supported by the paper feeding device is tailored, and the paper feeding device is used using the paper threading device. To the folding machine. An example of the paper threading device is described in Patent Document 1 below. The paper threading device described in this Patent Document 1 is provided with a guide rail along the travel path of the web from the paper feeding section to the folding section, and supports the travel body movably along the guide rail. When the paper is threaded, the leading end of the web is coupled to the traveling body with a string, and the traveling body is traveled along the guide rail by the driving device, thereby passing the web from the paper feeding device to the folding machine.

  In this case, the web is tailored at the tip. That is, the web is cut obliquely at the tip, and one end of the cord is fixed to the tip of one edge portion on the sharp side, and one end of another cord is fixed to a substantially middle portion in the width direction. Then, the other end of each string is fixed to the traveling body of each guide rail disposed on both sides of the web, and each traveling body moves to perform paper threading.

  As a web tailoring device, there is one described in Patent Document 2 below. The retracting tip described in Patent Document 2 is provided with a retracting tip element assigned to each of the two partial substrate webs to retract the partial substrate web, and each of these retracting tip elements is connected to the connecting device. They can be separated from each other by the acting tensile force.

JP 2008-280167 A Utility Model Registration No. 3148153

  When the web is threaded, it is necessary to process it diagonally so that the tip can properly enter between the rollers. In the conventional paper threading device described above, the leading end of the web is cut obliquely in advance. Further, in the above-described conventional leading end portion, the leading end portion element is fixed to the leading end portion of the web. Therefore, there is a problem that the work time for tailoring the web becomes long and the work becomes complicated.

  The present invention solves the above-described problems, and an object of the present invention is to provide a web tailoring structure and a tailoring method capable of improving workability by shortening the web tailoring time.

  In order to achieve the above object, the web tailoring structure of the present invention is provided with a first inclined guide portion that tapers toward the front end side of the web, and is provided at the front end portion of the web from the center in the width direction of the web. It has a 1st guide member which is fixed to the front side of the said web by the positioning part with respect to a longitudinal direction at the front-end | tip of the said web.

  Therefore, the first guide member having the first inclined guide portion is fixed to the leading end portion of the web with high accuracy by the positioning portion, and it is not necessary to cut the leading end portion of the web obliquely over the entire width direction. Further, it is not necessary to fix a large pull-in tip portion element in the width direction at the tip portion of the web, and workability can be improved by shortening the web tailoring time.

  The web tailoring structure of the present invention is characterized in that a linear portion along the width direction of the web is provided at the center portion in the width direction at the tip of the web.

  Therefore, by providing the straight portion at the center in the width direction at the tip of the web, when the web is cut at the center in the width direction in the course of the travel route, the first portion is cut from the straight portion. The web can be appropriately cut without damaging the guide member.

  In the web tailoring structure of the present invention, the first guide member is formed of a light transmitting member, and the positioning portion is a positioning line along the width direction of the web.

  Therefore, by using the first guide member as a light transmission member, the tip of the web and the positioning line of the first guide member can be easily adapted, and workability can be improved.

  In the web tailoring structure of the present invention, the first inclined guide portion is set at an angle of 45 degrees or less with respect to the longitudinal direction of the web.

  Therefore, by setting the angle of the first inclined guide portion to 45 degrees or less, the web can be properly passed through the turn bar of the web pass device through the first guide member.

  In the web tailoring structure according to the present invention, a second inclined guide portion that is tapered toward the leading end side of the web is provided, and the leading end portion of the web is located on the other side from the center in the width direction of the web. It has the 2nd guide member fixed to the front-end | tip of this, It is characterized by the above-mentioned.

  Therefore, the 1st guide member which has the 1st inclination guide part is fixed to one side of the width direction in the front-end | tip part of a web, and the 2nd guide member which has a 2nd inclination guide part is the other side of the width direction in the front-end | tip part of a web. Therefore, when the web is cut at the center portion in the width direction in the middle of the travel route, each web cut by each guide member can be properly run.

  In the web tailoring structure of the present invention, a tip of the second guide member is fixed on the basis of the positioning portion.

  Accordingly, the leading end of the second guide member is fixed with reference to the positioning portion of the first guide member, so that the fixing position of the two guide members in the longitudinal direction of the web becomes an appropriate position. The end portions are appropriately pulled through the guide members, and the web can be properly driven.

  In the web tailoring structure of the present invention, the length of the web in the longitudinal direction of the second guide member is set to be approximately equal to the length from the base end portion to the positioning portion of the first guide member. It is said.

  Therefore, the area | region which fixes a 1st guide member with respect to a web can be set appropriately, and a 1st guide member can be fixed accurately.

  In the web tailoring structure of the present invention, the second guide member is on the other side from the center in the width direction of the web and fixed toward the center, and the leading end of the web is fixed to the second inclined guide portion. It is characterized by being processed along.

  Therefore, since the other side of the web in the width direction becomes an inclined guide portion along the second inclined guide portion of the second guide member, the web can be appropriately run.

  The web tailoring structure of the present invention is characterized in that the length of the web in the longitudinal direction of the second guide member is set shorter than the length of the web of the first guide member in the longitudinal direction.

  Therefore, when the leading end of the second guide member is pulled through the connecting member and the web is conveyed, the second guide member is not easily deformed, and the web can be properly run.

  Further, the web tailoring method of the present invention includes a step of cutting the tip of the web along the width direction, a step of positioning the tip of the web at a predetermined position, a first inclined guide portion and a positioning portion in the longitudinal direction. And a step of fixing the first guide member having the positioning portion to one end from the center in the width direction of the web and to the tip of the web.

  Therefore, the first guide member having the first inclined guide portion is fixed to the leading end portion of the web along the width direction with high accuracy by the positioning portion, and the leading end portion of the web is cut obliquely over the entire width direction. It is not necessary to fix the large pulling tip portion element in the width direction at the tip portion of the web, and workability can be improved by shortening the web tailoring time.

  In the web tailoring method of the present invention, the step of fixing the second guide member having the second inclined guide portion to the other side from the center in the width direction of the web and the tip of the web with the positioning portion as a reference, And a step of processing the front end portion of the web along the second inclined guide portion.

  Accordingly, the leading end of the second guide member is fixed with reference to the positioning portion of the first guide member, so that the fixing position of the two guide members in the longitudinal direction of the web becomes an appropriate position. The end portions are appropriately pulled through the guide members, and the web can be properly driven.

  In the web tailoring method of the present invention, a linear portion along the width direction of the web is provided between the first guide member and the second guide member so as to correspond to the center portion in the width direction at the tip of the web. It is characterized by.

  Therefore, the 1st guide member which has the 1st inclination guide part is fixed to one side of the width direction in the front-end | tip part of a web, and the 2nd guide member which has a 2nd inclination guide part is the other side of the width direction in the front-end | tip part of a web. The web is cut at the center in the width direction in the course of the travel path, and the guide members are not damaged. The web can be cut properly.

  According to the web tailoring structure and the tailoring method of the present invention, the first inclined guide portion tapering toward the front end side of the web is provided, and the front end portion of the web is on one side from the center in the web width direction. Since the 1st guide member fixed with the positioning part with respect to a longitudinal direction is provided in the front-end | tip of the said web, workability | operativity can be improved by shortening the web tailoring work time.

FIG. 1 is a schematic view showing a paper threading device according to an embodiment of the present invention. FIG. 2 is a front view illustrating a traveling body used in the paper threading device. FIG. 3 is a schematic diagram showing a driving device used in the paper threading device. FIG. 4 is a side view showing the main part of the paper threading device. FIG. 5 is a perspective view showing a main part of the paper threading device. FIG. 6 is a front view showing the tailoring apparatus. FIG. 7 is a schematic diagram illustrating a tailoring method according to the present embodiment. FIG. 8 is a schematic diagram illustrating a tailoring method according to the present embodiment. FIG. 9 is a schematic diagram illustrating the tailoring method of the present embodiment. FIG. 10 is a schematic diagram illustrating a tailoring method according to the present embodiment. FIG. 11 is a schematic diagram illustrating a tailoring method of the present embodiment. FIG. 12 is a schematic configuration diagram illustrating a newspaper offset rotary printing press according to the present embodiment. FIG. 13 is a schematic configuration diagram showing a printing unit in the newspaper offset rotary printing press of this embodiment.

  Exemplary embodiments of a web tailoring structure and a tailoring method according to the present invention will be described below in detail with reference to the accompanying drawings. In addition, this invention is not limited by this Example, Moreover, when there exists multiple Example, what comprises combining each Example is also included.

  FIG. 1 is a schematic diagram illustrating a paper threading device according to an embodiment of the present invention, FIG. 2 is a front view illustrating a traveling body used in the paper threading device, and FIG. 3 is a schematic diagram illustrating a driving device used in the paper threading device. 4 is a side view showing the main part of the paper threading device, FIG. 5 is a perspective view showing the main part of the paper threading device, FIG. 6 is a front view showing the tailoring device, and FIGS. FIG. 12 is a schematic configuration diagram showing a newspaper offset rotary printing press according to this embodiment, and FIG. 13 shows a printing unit in the newspaper offset rotary printing press according to this embodiment. It is a schematic block diagram.

  As shown in FIG. 12, the printing press of this embodiment is a newspaper offset rotary printing press, which is a paper feeding device R, an infeed device I, a printing device U, a web pass device D, and a folding machine. F. The paper feeding device R has a plurality (seven in this embodiment) of paper feeding units R1 to R7, and the infeed device I has a plurality (seven in this embodiment) of infeed units I1 to I7. The printing apparatus U has a plurality (six in this embodiment) of printing units U1 to U6, and the web pass apparatus D has a plurality (two in this embodiment) of web pass units D1. , D2 and the folding machine F has a plurality (two in this embodiment) of folding units F1, F2.

  In this case, the printing units U1 to U6 are described as six units. However, each of the printing units U1 to U6 can perform four-color printing, and can be divided vertically into twelve two-color printing units U11 and U12. , U21... U61, U62.

  In addition, although the two folding units F1 and F2 are described above and below, actually, there are an operation side folding unit F1 and a driving side folding unit F2 that are arranged side by side in a direction orthogonal to the paper surface. Furthermore, although the printing apparatus U has been described from two parts, it has been described by dividing it into two in terms of function, and in reality, it is a single apparatus.

  In the web offset press for newspapers of this embodiment, the paper feed units R1 to R7 are installed on the floor surface of the first floor of a building (not shown), and the infeed units I1 to I7 are installed on the second floor. The printing units U1 to U6 are installed on the third floor, the web pass device D is installed on the third to fifth floors, and the folding machine F is installed on the second and third floors.

  In the paper feeding device R, the paper feeding units R1 to R7 have substantially the same configuration, and have a holding arm 11 that holds three webs on which the web W is wound in a roll shape, and the holding arm 11 rotates. By doing so, the web can be rotated to the paper feed position. Each of the paper feeding units R1 to R7 is provided with a paper splicing device (not shown), and when the remaining web fed out at the paper feeding position is reduced, the paper splicing device causes the paper feeding device R1 to R7 to take up the web at the paper feeding position. The web at the standby position can be spliced.

  In the infeed apparatus I, the infeed units I1 to I7 have substantially the same configuration, and the web traveling through the printing apparatus U is adjusted by adjusting the tension of the web W fed to the printing units U1 to U6 of the printing apparatus U. The tension of W is stably maintained at an appropriate value. For example, each of the infeed units I1 to I7 includes an infeed roller, a paper pressing rubber roller, a dancer roller, a guide roller, and the like. Then, the tension of the web W is made appropriate by urging the dancer roller in the tensioning direction of the web W, the peripheral speed of the infeed roller is changed according to the swing of the dancer roller, and the proper tension of the web W is maintained. ing.

  Note that the tension of the web W from the paper feeding device R to the infeed device I is performed by a brake device (not shown) provided in the paper feeding units R1 to R7, and the tension detection roller provided in the paper feeding device R is Based on the detection result, the brake device is controlled. A drag roller 12 that can be driven and rotated by a drive source is provided on the downstream side of the printing apparatus U, and the tension of the web W is adjusted by controlling the peripheral speed of the drag roller 12 and the biasing force of the dancer roller. ing.

  In the printing apparatus U, the printing units U1 to U6 are multicolor printing units capable of performing double-sided four-color printing. However, each printing unit U1-U6 can be made into the printing units U11-U62 which can perform double-sided two-color printing by dividing | segmenting up and down. Each of the printing units U11 to U62 has substantially the same configuration and has an ink supply device, a plate cylinder, a blanket cylinder, and the like, which will be described later. In this embodiment, in each of the printing units U1 to U6, the circumferential length (diameter) of the plate cylinder and the circumferential length (diameter) of the blanket cylinder are set to substantially the same diameter. Further, four printing plates can be attached to and detached from the circumferential surface of the plate cylinder along the circumferential direction (vertical length direction of the web W) and along the axial direction (width direction of the web W). It has become. Of course, the circumference of the plate cylinder and the circumference of the blanket cylinder are not in a one-to-one relationship, and the circumference of the blanket cylinder may be approximately twice the circumference of the plate cylinder.

  In the present embodiment, the printing units U1 to U6 are all configured by multicolor printing units, but are not limited to this configuration. For example, various units such as a double-sided two-color printing unit, a double-sided single-color printing unit, a single-sided four-color printing unit or a single-color printing unit may be used in combination as appropriate according to the printed matter.

  In the web pass apparatus D, the web pass unit D1 is provided for the printing units U1 to U3, and the web pass unit D2 is provided for the printing units U4 to U6. Each of the web path units D1 and D2 has substantially the same configuration, and is a slitter that cuts the web W along the longitudinal direction (the longitudinal direction of the web W, the conveyance direction of the web W) at the center in the width direction, and the longitudinal cut. A turn bar for setting the travel route of the web W, a compensator for adjusting the transport position of the web W in the vertical direction, and the like.

  Accordingly, each web W printed by each of the printing units U1 to U3 is vertically cut by the slitter in the web pass unit D1, the travel route is changed by the turn bar, and the travel position is adjusted by the compensator. Are overlaid in order. Each web W printed by the printing units U4 to U6 is longitudinally cut by a slitter in the web pass unit D2, the travel path is changed by a turn bar, and the conveyance position is adjusted by a compensator, and then a predetermined position is set. They are stacked in order.

  In the folding machine F, the two folding units F1 and F2 are arranged on the operation side and the drive side. Accordingly, when a plurality of webs W1 are introduced by being overlapped from the web pass unit D1, the folding unit F1 vertically folds the web W, transversely cuts it at a predetermined length, and then horizontally folds to form a fold. The paper can be discharged as a newspaper. In addition, when a plurality of webs W2 are overlapped and introduced from the web pass unit D2, the folding unit F2 vertically folds the web W, horizontally cuts it at a predetermined length, and then horizontally folds to form a fold. The paper can be discharged as a newspaper. In this case, in the folding machine F, the folding units F1 and F2 not only process the webs W1 and W2 from the web path units D1 and D2, but also one of the folding units F1 and F2 can process them together. .

  Accordingly, in this web offset press for newspaper, the tension of the webs W respectively supplied from the paper feeding units R1 to R7 of the paper feeding device R is adjusted by the infeed units I1 to I7 of the infeed device I. , And supplied to the printing units U1 to U6 of the printing apparatus U. Printing is performed on both surfaces of each web W by the printing units U1 to U6 in the printing apparatus U. Each web W printed by each printing unit U1 to U3 is vertically cut by a slitter in a web pass unit D1, a travel path is changed by a turn bar, and a conveyance position is adjusted by a compensator, and then a predetermined value is obtained. Are overlaid in order. Each web W printed by the printing units U4 to U6 is longitudinally cut by a slitter in the web pass unit D2, the travel path is changed by a turn bar, and the conveyance position is adjusted by a compensator, and then a predetermined position is set. They are stacked in order.

  After that, in the folding machine F, when a plurality of webs W1 are overlapped and introduced from the web pass unit D1, the folding unit F1 vertically folds the web W, cuts it horizontally at a predetermined length, and folds it horizontally. Form a compromise and eject it as a newspaper. In addition, when a plurality of webs W2 are overlapped and introduced from the web pass unit D2, the folding unit F2 vertically folds the web W, horizontally cuts it at a predetermined length, and then horizontally folds to form a fold. The paper is discharged as a newspaper.

  Here, although the printing unit U1 in the printing apparatus U will be described in detail, the other printing units U1 to U6 have substantially the same configuration. As shown in FIG. 13, the printing unit U1 is an H-type tower unit so that four-color printing is possible. The printing unit U1 includes four stacks 21, 22, 23, black, black, cyan, yellow, and yellow along the conveyance direction of the web W (from bottom to top). 24 is arranged, and each of the stacks 21, 22, 23, and 24 has a roller arrangement that is symmetrical to each other.

  That is, the stacks 21, 22, 23, and 24 in the printing unit U1 are opposed to each other with the blanket cylinders 31a, 31b, 32a, 32b, 33a, 33b, 34a, and 34b across the travel path of the web W. The plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b are in contact with the blanket cylinders 31a, 31b, 32a, 32b, 33a, 33b, 34a, 34b. The stacks 21, 22, 23, and 24 are respectively connected to the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, and 44b with ink supply devices 51a, 51b, 52a, 52b, 53a, 53b, 54a and 54b are provided. Further, fountain solution devices 61a, 61b, 62a, 62b, 63a, 63b, 64a, 64b are provided for the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b.

  In this case, in the stacks 21 and 23, the blanket cylinders 31a, 31b, 33a and 33b and the plate cylinders 41a, 41b, 43a and 43b are arranged in a letter C shape, and the stacks 22 and 24 are in the blanket cylinders 32b, 32b and 34a. , 34b and plate cylinders 42a, 42b, 44a, 44b are arranged in an inverted C shape. In each plate cylinder 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b, a printing plate (not shown) that prints a different pattern on the outer peripheral surface is 2 in the axial direction, that is, in the width direction of the web W. Two (or four) can be mounted side by side. The number of plates attached may be set as appropriate.

  In the newspaper offset rotary printing press of this embodiment configured as described above, as shown in FIG. 1, each web (wrapping paper) W supported by each paper feeding unit R1 to R7 in the paper feeding device R is printed. A paper threading device 71 for guiding the infeed device I, the printing device U, the web pass device D, and the folding machine F is provided so as to pass a predetermined web pass route (traveling route) according to the form. Hereinafter, although the paper threading device 71 will be described, the paper threading device 71 is provided corresponding to each of the paper feeding units R1 to R7 of the paper feeding device R. Here, the paper feeding unit of the paper feeding device R is provided. The one corresponding to R1 will be described.

  The paper threading device 71 includes a guide rail 72 attached along each web path route from the paper feeding device R to the folding machine F, and a traveling body 73 (see FIG. 2) movable along the guide rail 72. A plurality of driving devices 74 (see FIG. 3) for driving the traveling body 73 are provided.

  The paper threading method by the paper threading device 71 includes a cutting step of stopping the travel of the web W and cutting the web W discharged from the printing device U in the width direction, and the leading end of the cut downstream web W. A tailoring process for performing a tailoring process on the portion Wa (see FIG. 5), and a traveling body stopping process for stopping the traveling body 73 at a connection position on the discharge side of the printing apparatus U in the guide rail 72 along the traveling path of the web W. A connecting step of connecting the traveling body 73 to the leading end Wa of the web W that has been tailored, and a folding machine that moves the traveling body 73 and moves the leading end Wa of the web W from the printing device U via the web pass device D. And a paper threading process to pass to F.

  The guide rail 72 is provided with a start end (entrance) 72a in the vicinity of the web at the paper feed position of the paper feed unit R1, and the first guide rail 72b from the start end 72a to the printing unit U1 via the infeed unit I1. Is arranged. Further, the guide rail 72 is provided with a second guide rail 72c continuously from the outlet of the printing unit U1 to the web pass unit D1. The web path unit D1 includes a slitter D11, a turn bar D12, and a compensator D13. The guide rail 72 includes a plurality of third guide rails 72d from the slitter D11 and the turn bar D12 to the folding unit F1. That is, the web W sent from each of the printing units U1 to U3 travels on one web path route selected from the plurality of web path routes by the web path unit D1 (the slitter D11 and the turn bar D12).

  Further, the guide rail 72 is joined by a plurality of third guide rails 72d arranged from the web path unit D1 to the folding unit F1 immediately before the folding unit F1 to form one fourth guide rail 72e. The guide rail 72 is provided with a downstream end (exit) 72f in the vicinity of the folding unit F1.

  In this guide rail 72, the first and second guide rails 72b and 72c from the paper feed unit R1 to the web path unit D1 are respectively arranged on both sides of the web path route, and the first from the web path unit D1 to the folding unit F1. The three guide rails 72d are arranged on one side of the web path route, and the fourth guide rails 72e of the folding unit F1 are arranged on both sides of the web path route.

  As shown in FIG. 2, the traveling body 73 is a strip-shaped plate member 73 a having flexibility, and a plurality of guide pins 73 b are provided at predetermined intervals in the longitudinal direction so that the traveling body 73 can move without being detached from the guide rail 72. ing. Further, the traveling body 73 is provided with a protruding portion 73c that protrudes to one side so that the intermediate portion is wide, and a string 103, 104, which will be described later, for connecting the leading end portion of the web W to the protruding portion 73c. A coupling hole 73d to be coupled is formed, and a detection block 73e that can be detected by a proximity sensor 111 described later is provided.

  The traveling body 73 configured as described above is inserted from the start end 72a of the guide rail 72 of the paper feeding unit R1 before the paper threading operation, and is discharged from the downstream end 72f of the folding unit F1 after the paper threading operation. Further, when the traveling body 73 moves in the guide rail 72, the projecting portion 73 c (the connection hole 73 d and the detection block 73 e) faces the web W side, and from the notch (not shown) of the guide rail 72 to the web W side. It protrudes.

  As shown in FIG. 3, the drive device 74 has a drive motor 74a and a pair of drive rollers 74b and 74c that are driven and rotated by the drive motor 74a. The drive rollers 74 b and 74 c rotate in the opposite direction synchronously while sandwiching the upper and lower surfaces of the traveling body 73 in the guide rail 72, thereby driving the traveling body 30 and moving along the guide rail 72. be able to. The guide rail 72 has an opening formed in the drive rollers 74b and 74c.

  A plurality of the driving devices 74 are arranged at predetermined intervals along the longitudinal direction of the guide rail 72, and the arrangement intervals of the driving devices 74 are shorter than the length of the traveling body 73. Therefore, at least one of the plurality of driving devices 74 arranged at a predetermined interval along the guide rail 72 can be driven with the traveling body 73 in the guide rail 72 held between them.

  As shown in FIG. 1, a route switching device (not shown) for switching the route of the traveling body 73 is provided at a location where the guide rail 72 branches into a plurality of third guide rails 72d. Further, a joining device (not shown) is provided at a location where the plurality of guide rails 72d join.

  Further, in the paper threading device 71 configured in this way, as shown in FIGS. 4 to 6, a tailoring device 81 that performs tailoring processing on the leading end portion of the web W discharged from the printing device U is provided. Yes. Here, a configuration in which a tailoring device 81 is provided on the discharge side of the printing unit U1, that is, above the printing unit U1 will be described. The other printing units U2 to U6 have substantially the same configuration.

  Then, the tailoring process by the tailoring device 81 is such that the front end portion of the web W discharged from the printing apparatus U is placed on the work table 91, and the first inclination is on the one side from the center in the width direction of the front end portion Wa of the web W. A first tailoring step for fixing the first guide member 101 having the guide portion by the positioning portion, and positioning the second guide member 102 having the second inclined guide portion on the other side from the center in the width direction at the front end portion Wa of the web W. And a second tailoring step that is fixed by the part.

  That is, the web W discharged upward from the printing unit U 1 is guided by the guide roller 82, wound around the drag roller 12, guided by the guide rollers 83 and 84, and can travel. Therefore, the second guide rail 72c is disposed along both sides of the travel path of the web W guided by the guide roller 82, the drag roller 12, and the guide rollers 83 and 84. Further, two support rollers (support members) 85 are provided corresponding to the drag roller (drive roller) 12, and the support rollers 85 can be moved by an air cylinder 86. In other words, the support roller 85 is movable between a support position where the support roller 85 can contact the drag roller 12 and support the web W and a separation position where the support roller 85 is separated from the drag roller 12. Therefore, the web W (web leading end portion Wa) can be held (holding device) by the support roller 85 coming into contact with the drag roller 12 by the air cylinder 86.

  The tailoring device 81 has a work table 91 on which the leading end Wa of the web W is placed. The work table 91 is provided below the web W traveling upward from the printing unit U 1 and adjacent to the guide rollers 83 and 84 and the support roller 85. In addition, the work table 91 has a predetermined length, has a plate shape that is long in the width direction of the web W, and the left and right ends are fixed to the printing machine frames 92 and 93. The work table 91 is disposed so as to be inclined upward toward the web W side.

  The work table 91 is set to a width longer than the width of the web W, and holding devices 94 and 95 are provided on the upper surfaces of the left and right end portions. In the holding devices 94 and 95, end portions of the holding plates 94a and 95a are rotatably supported by support shafts 94b and 95b, and the holding plates 94a and 95a are in close contact with the upper surface of the work table 91 by springs 94c and 95c. Is supported by urging. Accordingly, the leading end Wa of the web W after being discharged from the printing unit U1 and guided by the guide roller 82, the drag roller 12, and the guide roller 83 is placed on the upper surface of the work table 91, and the two holding devices 94 and 95 are used. Can be held.

  Further, the work table 91 is provided with a web positioning portion for positioning the leading end portion Wa of the web W on the upper surface. The work table 91 positions, in the lower end portion on the upper surface, the width direction end positioning lines L1 and L2 for positioning the width direction end portion of the front end portion Wa of the web W and the width direction center portion (center position) of the web W. A width direction center portion positioning line L3 and a second guide member positioning line L4 for positioning a position for fixing a second guide member 102 to be described later with respect to the web W are provided.

  Then, the tailoring device 81 performs the tailoring process in a state where the leading end portion Wa of the web W is positioned on the work table 91. The tailoring process includes two guide members 101 for passing a paper through the leading end portion of the leading end portion Wa of the web W that has been fed out of the web of the paper feeding unit R1 and passed through the infeed unit I1 and the printing unit U1. In this process, the guide members 101 and 102 are connected to the left and right traveling bodies 73 by strings 103 and 104 as connecting members. In this case, the first guide member 101 has a larger shape than the second guide member 102.

  The first guide member 101 is provided with a first inclined guide portion that tapers toward the front end side of the web W and a positioning portion with respect to the longitudinal direction of the web W, and the width thereof is half that of the web W (1 / The width is slightly smaller than the width of 2). That is, the first guide member 101 is made translucent by a light transmitting member, and is perpendicular to the first straight portion 101a along the longitudinal direction of the web W and the first straight portion 101a along the width direction of the web W. It forms a right triangle composed of a second straight line portion 101b formed and a first inclined guide portion 101c forming a predetermined angle θ1 with respect to the first straight line portion 101a. In this case, it is preferable that the angle θ1 of the first inclined guide portion 101c is set to 45 degrees or less. Moreover, the web positioning line L5 which makes the 1st guide member 101 in parallel with this 2nd linear part 101b in the vicinity of the 2nd linear part 101b is described.

  The first guide member 101 has a web positioning line L5 at the leading end Wa of the web W on one side (printer operation side) from the center O in the width direction of the web W. Fixed. In other words, the first guide member 101 has the first linear portion 101a positioned on one side of the web W, and the web positioning line L5 is positioned at the leading end of the web W, so that the first guiding member 101 protrudes forward to the leading end portion Wa of the web W. It is fixed at the position.

  The second guide member 102 is provided with a second inclined guide portion that tapers toward the leading end side of the web W. That is, the second guide member 102 is semi-transparent by a light transmitting member, and is perpendicular to the first straight portion 102a along the longitudinal direction of the web W and the first straight portion 102a along the width direction of the web W. It forms a right triangle composed of a second straight line portion 102b formed and a second inclined guide portion 102c forming a predetermined angle θ2 with respect to the first straight line portion 102a. In this case, the angle θ2 of the second inclined guide portion 102c is preferably set to 45 degrees or less.

  The second guide member 102 is on the leading end Wa of the web W, on the other side (printer drive side) from the center O in the width direction of the web W, and on the leading end Wa of the web W. Is fixed with reference to the web positioning line L5. That is, the second guide member 102 is positioned on the second guide member positioning line L4 of the work table 91 with the first straight portion 102a being parallel to the other side of the web W, and the first straight portion 102a and the second inclined guide portion 102c. And the apex forming the angle θ2 is positioned at the tip of the web W, and is fixed to the tip portion Wa of the web W.

  Accordingly, the first guide member 101 is fixed to one side from the center O in the width direction of the web W, and the second guide member 102 is on the other side from the center O in the width direction of the web W and the center O. It will be fixed to the side. The length of the web W in the second guide member 102 in the longitudinal direction is set to be approximately equal to the length from the second straight portion (base end portion) 101b of the first guide member 101 to the positioning line L5. That is, each of the guide members 101 and 102 forms a right triangle in which the first straight portions 101a and 102a are located on one side (the printing press operation side) of the web W, and the web W transport direction (longitudinal direction) in the second guide member 102. The length in the direction) is set to be shorter than the length in the conveyance direction (longitudinal direction) of the web W in the first guide member 101.

  Further, the paper threading device 71 is provided with a tailoring device 81 on the discharge side of the printing unit U1, so that the leading end portion Wa of the web W tailored by the tailoring device 81 is in contact with the traveling body 73 at this position. It is necessary to concatenate. Therefore, a pair of left and right guide rails 72 (second guide rails 72c) provided on both sides of the travel path of the web W are provided with travel body detection sensors 111 that detect the travel body 73, and the control device 112 includes: When the traveling body detection sensor 111 detects the traveling body 73, the drive device 74 is stopped. In addition, an operation device 113 operated by an operator is provided and connected to the drive device 74.

  Here, a paper threading method by the paper threading device 71 and a tailoring method by the tailoring device 81 according to the present embodiment will be described.

  In the web offset press for newspapers, as shown in FIG. 12, the webs W supplied from the paper feeding units R1 to R7 of the paper feeding device R are passed through the infeed units I1 to I7 of the infeed device I. This is supplied to each of the printing units U1 to U6 of the printing apparatus U, where printing is performed. The plurality of printed webs W are vertically cut by a slitter in each of the web pass units D1 and D2 of the web pass device D, the travel path is changed by a turn bar, and the transport position is adjusted by a compensator, and then predetermined. Are overlaid in order. In the folding machine F, when a plurality of overlapped webs W are introduced, the webs W are vertically folded, horizontally cut by a predetermined length, horizontally folded to form a signature, and discharged as a newspaper. To do.

  In this printing operation, when a predetermined number of newspapers of a predetermined type are printed, another newspaper is printed. At this time, when the number of sheets in the newspaper is different, the travel route of the web W is changed, so that a plurality of webs W are newly threaded.

  When printing of a predetermined newspaper is completed, the printing machine is stopped, and then, as shown in FIG. 4, the support roller 85 is brought into contact with the drag roller 12 by the air cylinder 86 on the discharge side of the printing unit U1, and is supported by the drag roller 12. The web W is pinched by the roller 85. Then, the web W is cut along the width direction by a predetermined distance downstream from the guide roller 84 and the traveling body detection sensor 111. Note that the same operation is performed on the discharge side of another printing unit. Then, since the leading end portion Wa of the web W upstream from the cutting position is in a free state, the tailing process is performed on the leading end portion Wa of the web W. On the other hand, since the rear end portion of the web W downstream of the cutting position is also in a free state, the web W remaining in the printing press is discharged by driving the web pass device D, the folding machine F, and the like.

  In the tailoring work by the tailoring device 81, as shown in FIGS. 6 and 7, the operator first sags the web W because the leading end Wa of the cut web W is in a free state. The distal end Wa is placed on the work table 91, positioned and held. That is, the operator places the leading end Wa of the web W on the work table, aligns the widthwise end of the leading end Wa of the web W with the widthwise end positioning lines L1 and L2, and then sets the leading end Wa of the leading end Wa. The left and right ends are held by holding devices 94 and 95.

  Next, as shown in FIG. 8, the operator fixes the first guide member 101 and the second guide member 102 to the leading end portion Wa of the web W. The first guide member 101 is temporarily fixed by the temporary fixing tape 121 after the first straight portion 101a is positioned on one side of the web W and the web positioning line L5 is positioned at the tip of the web W. Further, the second guide member 102 has the first linear portion 102a parallel to the other side of the web W and positioned at the second guide member positioning line L4 of the work table 91, and the apex is positioned at the tip of the web W. Temporarily fixed by the temporary fixing tape 122. Here, the first guide member 101 and the second guide member 102 are positioned in the longitudinal direction of the web W (the traveling direction of the web W) with respect to the leading end portion Wa of the web W.

  Then, as shown in FIG. 9, the operator peels off the temporary fixing tape 121 of the first guide member 101 and securely fixes the first guide member 101 with the fixing tapes 131, 132, and 133. Further, the operator peels off the temporary fixing tape 122 of the second guide member 102 and securely fixes the second guide member 102 with the fixing tapes 141, 142, and 143.

  Subsequently, as shown in FIG. 10, the operator releases the holding of the leading end portion Wa of the web W by the holding devices 94 and 95 and pulls out the web W to the front. Then, as shown in FIG. 11, the worker folds the corner portion of the leading end portion Wa of the web W along the second inclined guide portion 102 c of the second guide member 102 and fixes it with the tape 151. In this case, the corner portion of the leading end portion Wa of the web W may be cut along the second inclined guide portion 102c of the second guide member 102. As a result, the third inclined guide portion 152 along the second inclined guide portion 102c is formed at the leading end portion Wa of the web W, and the leading end of the web W is interposed between the first guide member 101 and the second guide member 102. A linear portion 153 along the width direction of the web W is formed corresponding to the center portion in the width direction.

  When the tailoring process is completed by fixing the first guide member 101 and the second guide member 102 to the leading end portion Wa of the web W, as shown in FIGS. The first guide member 101 and the second guide member 102) are connected to the traveling body 73 by the strings 103 and 104. In this case, since the guide rail 72 is provided with the start end portion 72a in the paper feed unit R1, the operator inserts the traveling bodies 73 into the left and right guide rails 72 from the start end portions 72a, and drives the drive device 74. Thus, the traveling body 73 is moved. Then, when each traveling body 73 moves from the first guide rail 72b to the second guide rail 72c, the traveling body detection sensor 111 detects the detection block 73e of the traveling body 73, and the control device 112 detects the drive device 74. Stop. Then, the left and right traveling bodies 73 stop at the same position in the longitudinal direction of the guide rail 72.

  The operator fixes one end of the cords 103 and 104 to the apexes of the guide members 101 and 102 fixed to the leading end Wa of the web W, while in the connection holes 73d of the traveling bodies 73 of the left and right guide rails 72. The other ends of the strings 103 and 104 are fixed. In this case, the lengths of the strings 103 and 104 are set in advance, and the front and rear positions of the guide members 101 and 102 fixed to the leading end portion Wa of the web W are appropriately positioned. The traveling body 73 is properly fixed without looseness.

  When the operator outputs a paper threading start signal using the operation device 113, the control device 112 drives the drive device 74 and moves the left and right traveling bodies 73 along the guide rail 72. Then, the leading end portion Wa of the web W is pulled by the left and right traveling bodies 73 through the strings 103 and 104, and moves to the folding machine F through a predetermined traveling path that is set in advance, so that a paper threading process is performed. .

  Thus, in the web tailoring structure of the present embodiment, the first inclined guide portion 101c tapering toward the front end side of the web W is provided, and the front end portion Wa of the web W is arranged in the width direction of the web W. A first guide member 101 is provided on one side of the center O and fixed to the tip of the web W with a web positioning line L5 in the longitudinal direction.

  Accordingly, the first guide member 101 having the first inclined guide portion 101c is fixed to the leading end portion Wa of the web W with high accuracy by the web positioning line L5, and the leading end portion Wa of the web W is spread over the entire width direction. There is no need to cut diagonally, and there is no need to fix a large tab or the like in the width direction at the leading end Wa of the web W, and workability can be improved by shortening the web tailoring time.

  In the web tailoring structure of the present embodiment, a linear portion 153 along the width direction of the web W is provided at the center O in the width direction at the tip of the web. Accordingly, when the web W is cut at the center O in the width direction by the slitter D11 in the course of the travel route, the web W is cut from the straight portion 153, and the web W is not damaged. Can be cut properly.

  In the web tailoring structure of the present embodiment, the first guide member 101 is formed of a light transmitting member. Therefore, even if the first guide member 101 is placed on the upper surface of the web W, the leading end of the web W can be confirmed through the first guiding member 101, and the leading end of the web W and the web positioning line L5 of the first guiding member 101 Can be easily adapted and workability can be improved.

  In the web tailoring structure of this embodiment, the tip of the first inclined guide portion 101 is set at an angle of 45 degrees or less. Therefore, the web W can be appropriately passed through the turn bar D12 of the web pass device D via the first guide member 101.

  In the web tailoring structure of the present embodiment, the second inclined guide portion 102c tapering toward the front end side of the web W is provided, and the front end portion Wa of the web W is on the other side from the center O in the width direction of the web W. In addition, a second guide member 102 that is fixed to the tip of the web W is provided. Accordingly, the first guide member 101 having the first inclined guide portion 101c is fixed to one side in the width direction of the leading end portion Wa of the web W, and the second guide member 102 having the second inclined guide portion 102c is fixed to the leading end of the web W. Since the web W is fixed to the other side in the width direction of the portion Wa, each web cut by the guide members 101 and 102 after being cut at the center portion O in the width direction by the slitter D11 in the middle of the travel route. W can be run appropriately.

  In the web tailoring structure of this embodiment, the tip of the second guide member 102 is fixed with reference to the web positioning line L5 of the first guide member 101. Therefore, the fixing position of the two guide members 101 and 102 in the longitudinal direction of the web W is an appropriate position, and the web W is appropriately pulled at the respective end portions in the width direction via the guide members 101 and 102, respectively. The web W can be properly run.

  In the web tailoring structure of this embodiment, the length in the longitudinal direction of the web W in the second guide member 102 is set to be approximately equal to the length from the base end portion to the positioning line L5 in the first guide member 101. . Therefore, the area | region which fixes the 1st guide member 101 with respect to the web W can be set appropriately, and the 1st guide member 101 can be fixed accurately.

  In the web tailoring structure of the present embodiment, the second guide member 102 is fixed to the other side of the web W in the width direction and closer to the center O side, and the leading end Wa of the web W is second inclined guide. It is processed along the part 102c. Therefore, since the other side in the width direction of the web W becomes the third inclined guide portion 152 along the second inclined guide portion 102c of the second guide member 102, the web W can be appropriately traveled.

  In the web tailoring structure of this embodiment, the length of the second guide member 102 in the longitudinal direction of the web W is set to be shorter than the length of the first guide member 101 in the longitudinal direction of the web W. Therefore, when the string 104 is connected to the distal end portion of the second guide member 102 and the web W is conveyed by being pulled toward the other side in the width direction of the web W, the second guide member 102 is hardly deformed. Thus, the web W can be properly run.

  Further, in the web tailoring method of the present embodiment, the step of cutting the front end of the web W along the width direction, the step of positioning the front end portion Wa of the web W at a predetermined position, and the first inclined guide Fixing the first guide member 101 having the portion 101c and the positioning line L5 in the longitudinal direction to the leading end portion Wa of the web W with the positioning line L5 on one side from the center in the width direction of the web W. Yes.

  Therefore, the first guide member 101 having the first inclined guide portion 101c is fixed to the leading end portion of the web W along the width direction with high accuracy by the web positioning line L5, and the leading end portion Wa of the web W is fixed. There is no need to cut diagonally over the entire width direction, and there is no need to fix a large tab or the like in the width direction on the tip end Wa of the web W, and workability can be improved by shortening the web finishing time. Can do.

  In the web tailoring method of the present embodiment, the second guide member having the second inclined guide portion 102c is located on the other side from the center O in the width direction of the web W and the leading end portion Wa of the web W is based on the positioning line L5. A fixing step and a step of processing the leading end portion Wa of the web W along the second inclined guide portion 102c are provided. Therefore, the fixing position of the two guide members 101 and 102 in the longitudinal direction of the web W is an appropriate position, and the web W is appropriately pulled at the respective end portions in the width direction via the guide members 101 and 102, respectively. The web W can be properly run.

  In the web tailoring method of the present embodiment, the straight portion 153 along the width direction of the web W corresponding to the center O in the width direction at the tip of the web W is provided between the first guide member 101 and the second guide member 102. Provided. Accordingly, the first guide member 101 having the first inclined guide portion 101c is fixed to one side in the width direction of the leading end portion Wa of the web W, and the second guide member 102 having the second inclined guide portion 102c is fixed to the leading end of the web W. When the web W is cut at the center in the width direction by the slitter D11 in the middle of the travel route by being fixed to the other side in the width direction of the portion Wa and being provided with the straight portion 152 therebetween, from the straight portion 152 The web W can be appropriately cut without damaging the guide members 101 and 102.

  Further, in the paper threading device of the present embodiment, the tailoring device 81 that performs tailoring processing on the leading end portion of the web W discharged from the printing device U, and the web W from the printing device U to the folding machine F are provided. A guide rail 72 disposed along the traveling route, a traveling body 73 that can be traveled along the guide rail 72 by combining the leading end of the web W that has been tailored, and the traveling body 73 along the guide rail 72. And a drive device 74 that travels.

  Therefore, by providing the tailoring device 81 on the discharge side of the printing apparatus U, it is not necessary to pass the leading end portion of the web W drawn from the web through the printing apparatus U, thereby reducing the work time for paper threading. Workability can be improved.

  That is, even if the content of the newspaper changes, the type of web (web) hardly changes. After the printing is completed, the web is not cut by the paper feeding device R, and the web is discharged on the discharge side of the printing device U. By cutting, the tailoring device 81 does not have to perform the tailoring process on the web W that has already passed through the printing device U, and it is necessary to pass the leading end of the web W drawn from the web to the printing device U. Disappears.

  In the paper threading apparatus of the present embodiment, a work table 91 is provided on the tailoring apparatus 81 to place the leading end of the web W discharged from the printing apparatus U. Therefore, the tailoring process is performed in a state where the leading end portion of the web W is placed on the work table 91, and the tailing process of the leading end portion of the web W can be easily performed.

  In the paper threading device of the present embodiment, holding devices 94 and 95 for holding the leading end portion of the web W are provided on the work table 91. Accordingly, the tailoring process is performed in a state where the leading end portion of the web W is held by the holding devices 94 and 95, and the web W does not fall to the printing unit U1 side by its own weight. The tailoring process can be performed with high accuracy.

  In the paper threading device of the present embodiment, the work table 91 is provided with width direction end positioning lines L1, L2 and a width direction center positioning line L3 for positioning the leading end of the web. Therefore, the tailing process is performed with the tip of the web W placed on the work table 91 and the tip of the web W positioned by the positioning lines L1, L2, and L3. Processing can be performed easily and with high accuracy.

  In the paper threading device of the present embodiment, a drag roller 12 that conveys the web W from the printing device U is provided on the downstream side in the conveyance direction of the web W, and a support roller 85 that is detachably attached to the drag roller 12 is provided. Therefore, the cut end of the web W is sandwiched between the drag roller 12 and the support roller 85, and the tailoring process is performed in this state, and the tailoring process of the leading end of the web W is easily and highly accurately performed. be able to.

  In the paper threading device of the present embodiment, a traveling body detection sensor 111 that detects the traveling body 73 in the vicinity of the tailoring device 81 and a control device that stops the driving device 74 when the traveling body detection sensor 111 detects the traveling body 73. 112 is provided. Therefore, the traveling body 73 can be appropriately stopped at a predetermined position near the tailoring device 81, and the leading end portion of the web W that has been subjected to the tailoring process can be easily connected to the traveling body 73.

  Further, in the paper threading method of the present embodiment, the cutting process of stopping the travel of the web W and cutting the web W discharged from the printing apparatus U in the width direction, and the cutting of the cut downstream web W A tailoring process for performing a tailoring process on the front end portion, a traveling body stopping process for stopping the traveling body 73 at a connecting position on the discharge side of the printing apparatus U in the guide rail 72 along the traveling path of the web W, and a tailoring process are performed. A connecting step of connecting the traveling body 73 to the leading end of the web W, and a paper threading step of moving the traveling body 73 to pass the leading end of the web W from the printing device U to the folding machine F via the web pass device D. Is provided.

  Therefore, the traveling of the web W is stopped, the web W discharged from the printing apparatus U is cut in the width direction, the tailing process is performed on the leading end of the cut downstream web W, and the tailoring process is performed. If the traveling body 73 having the leading end of the web W stopped at the connecting position on the discharge side of the printing apparatus U is connected and the web W is passed to the folding machine F, and the type of the web (web W) does not change, the web W It is no longer necessary to pass the leading end of the paper through the printing apparatus U, and workability can be improved by reducing the working time for paper threading.

  In the paper threading method of the present embodiment, the leading end portion of the web W discharged from the printing apparatus U is placed on the work table 91 in the tailoring process, and the first portion is placed on one side from the center in the width direction at the leading end portion of the web W. A first tailoring step of fixing the first guide member 101 having the first inclined guide portion 101c by the web positioning line L5, and a second tailoring step having the second inclined guide portion 102c on the other side from the center in the width direction at the front end portion of the web W. And a second tailoring step for fixing the guide member 102 by the web positioning line L5. Therefore, after the web W is cut at the center in the width direction by the slitter D11 in the middle of the travel route, the web W can be appropriately traveled.

  In the newspaper offset rotary printing press of this embodiment, since the paper threading device 71 is provided, workability can be improved by shortening the working time for paper threading.

  In the above-described embodiment, the first guide member 101 and the second guide member 102 are fixed to the leading end portion Wa of the web W on the discharge side of the printing apparatus U. However, on the discharge side of the printing apparatus U, the web W The first guide member 101 may be fixed to the leading end portion Wa, and the second guide member 102 may be fixed to the leading end portion Wa of the web W before and after the slitter D11.

  In the above-described embodiment, the first guide member 101 and the second guide member 102 are fixed to the leading end portion Wa of the web W on the discharge side of the printing apparatus U. The first guide member 101 and the second guide member 102 may be fixed to Wa.

  In the above-described embodiments, the positioning portions are the positioning lines L1 to L5. However, the positioning portions are not limited to lines, and points, symbols, and the like may be used.

12 Drag roller (drive roller)
71 Paper threading device 72 Guide rail 73 Traveling body 74 Drive device 81 Tailoring device 85 Support roller (holding device)
91 Work table 94, 95 Holding device 101 First guide member 102 Second guide member 101c First tilt guide portion 102c Second tilt guide portion 111 Traveling body detection sensor 112 Control device 113 Operation device 152 Third tilt guide portion 153 Linear portion R paper feeding device R1 to R7 paper feeding unit I infeed device I1 to I7 infeed unit U printing device U1 to U6, U11 to U62 printing unit D web pass device D1, D2 web pass unit F folding machine F1, F2 folding unit L1, L2 Width direction end part positioning line L3 Width direction center part positioning line L4 Second guide member positioning line L5 Web positioning line W Web (winding paper)
Wa web tip

Claims (9)

A first inclined guide portion tapering toward the leading end side of the web is provided, and is fixed to the leading end portion of the web at one side from the center in the width direction of the web and with a positioning portion with respect to the longitudinal direction at the leading end of the web. Having a first guiding member,
The first guide member is formed of a light transmitting member, and the positioning portion is a positioning line along the width direction of the web.
A tailored web structure. A first inclined guide portion tapering toward the leading end side of the web is provided, and is fixed to the leading end portion of the web at one side from the center in the width direction of the web and with a positioning portion with respect to the longitudinal direction at the leading end of the web. A first guide member to be
A second guide that is tapered toward the leading end of the web and is fixed to the leading end of the web on the other side of the web in the width direction at the leading end of the web. And having a member
The tip of the second guide member is fixed with respect to the positioning portion.
A tailored web structure. The longitudinal length of the web in the second guide member, the web according to claim 2, characterized in that it is set from the base end portion of the first guide member substantially equal to the length to the positioning portion Tailoring structure. A first inclined guide portion tapering toward the leading end side of the web is provided, and is fixed to the leading end portion of the web at one side from the center in the width direction of the web and with a positioning portion with respect to the longitudinal direction at the leading end of the web. A first guide member to be
A second guide that is tapered toward the leading end of the web and is fixed to the leading end of the web on the other side of the web in the width direction at the leading end of the web. And having a member
The second guide member is on the other side from the center in the width direction of the web and is fixed toward the center side, and the leading end portion of the web is processed along the second inclined guide portion.
A tailored web structure. The length of the second guide web in the longitudinal direction of member, according to any one of claims 2 to 4, characterized in that it is shorter than the longitudinal length of the web in said first guide member Web tailoring structure. The web tailoring structure according to any one of claims 1 to 5 , wherein a linear portion along the width direction of the web is provided at a center portion of the web in the width direction. The web tailoring structure according to any one of claims 1 to 6 , wherein the first inclined guide portion is set at an angle of 45 degrees or less with respect to a longitudinal direction of the web. Cutting the tip of the web along the width direction;
Positioning the tip of the web at a predetermined position;
Fixing the first guide member having the first inclined guide portion and the positioning portion in the longitudinal direction on the one side from the center in the width direction of the web with the positioning portion on the tip of the web;
Have
Fixing the second guide member having the second inclined guide portion on the other side from the center in the width direction of the web and on the leading end of the web with the positioning portion as a reference; Providing a process along the inclined guide part;
A web tailoring method characterized by the above. According to claim 8, characterized by providing a straight portion along the widthwise direction of the corresponding web at the center in the width direction at the tip of the web between said first guide member and the second guide member Web tailoring methods.

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