JPH0761826B2 - Paper output device for folding machine - Google Patents

Description

The present invention relates to a folding machine for a web-fed rotary printing press, which is a folding machine for discharging a signature, which is conveyed by a conveyor belt and then folded by a stapler device, onto a discharge conveyor. The present invention relates to a paper discharge device for paper.

[Conventional technology]

The web-fed rotary printing press is equipped with a folding machine that cuts and folds the printed web into a specified size.The folding machine further cuts the signatures folded in parallel by the folding cylinder group in the direction perpendicular to the parallel folding. A folding device for folding in half is provided. In addition to the polygon blade, the tip device hits the folding line part of the signature that has come into contact with the paper pad and stopped, and pushes it between the pair of gripping rollers to fold the signature half. A blade base formed in a tubular shape and fixed on the rotating shaft,
A plurality of sets of impellers, each of which is formed in an arc shape using a strip-shaped thin plate and radially protrudes from the impeller at equal intervals in the circumferential direction, and both sides of each impeller and the outer periphery It is equipped with a paper ejection device for a chaper, which is composed of signature guides and the like, and a paper ejection conveyor is stretched under the impeller.

After parallel folding, the signature that is conveyed by the conveyor belt, half-folded by the cooperation of the cutter blade and the gripping roller, and then falls is thrown between the blades of the rotating impeller and captured. After being rotated around 180 ° while stabilizing both side edges and the protruding edge from the blade by the signature guide, it is released from the holding and discharged onto the paper discharge conveyor. The discharged signatures are conveyed by the discharge conveyor and accumulated in the stacker frame or the like.

[Problems to be solved by the invention]

However, in such a conventional paper discharge device for a chip, since the axial center position of the impeller is fixed,
When the number of pages in a signature that is conveyed and discharged by an impeller is large or the paper thickness is thick, a part of the paper surface must be in contact with the ridge line of the arc surface of the blade, and it must be rotated while being pressed by the blade. As a result, there is a problem in that the paper surface of the signature will be scratched or rubbed, resulting in wasted paper.

[Means for solving problems]

In order to solve such a problem, the present invention includes a chopper blade that folds a signature at a fold line portion, and a gripping roller that pulls out the folded signature to a sheet discharge vane wheel. The roller and the paper discharge impeller are arranged so that their respective rotation axes are parallel to each other, and the chopper blade, the gripping roller, and the paper discharge impeller are integrally movable in the horizontal diametrical direction. In addition to supporting, the paper discharge impeller is supported so as to be movable in the horizontal diametrical direction with respect to the gripping roller, and a moving operation mechanism thereof is provided.

[Work]

After parallel folding, the signature, which has been conveyed by the conveyor belt and then half-folded by the cutter blade, is inserted between the blades of the rotating impeller and is ejected onto the paper discharge conveyor after orbiting,
It is transported to the stacking position. If the signature of the signature changes,
When the movement control mechanism is operated from outside the machine while the machine is running, the impeller and the signature guide move together in the horizontal diametrical direction, so while watching the falling signature, this signature is on the back of the blade. Select a position that does not hit and position.

〔Example〕

FIG. 1 is a side view of an embodiment of a paper ejection device for a chip and a chip device according to the present invention. In the figure, reference numeral 1 is a six-piece conveyor belt including a pair of upper and lower belts stretched between a parallel folding section (not shown) and a sheet discharging section of the folding machine, from the front side of the figure to the back side of the sheet. It is running toward, and is configured to hold a folded signature in parallel and convey it. The reference numeral 2 denotes a checker device provided in the middle of the signature conveying path by the conveyor belt 1 and connects a pair of front and rear side plates 3a facing each other in the signature conveying direction and their four locations. The sub-frame 3 integrally formed with the corner stays 3b, 3c, 3d, 3e is provided.
Are supported by a chaper frame (not shown). A plate 4 for supporting the conveyor belt 1 is supported on the upper end of the sub-frame 3, and a pair of bases 5 are mounted at predetermined intervals on a strip-shaped window provided in the center thereof. Has been done.

A hopper at the base is fixed to a hopper shaft 6 which is pivotally supported by the sub-frame 3 and swings at a predetermined timing as shown by a solid line and a chain line by reciprocal rotation in the forward and reverse directions. A thin plate-shaped tipper blade 8 that advances and retreats into the mouthpiece 5 by swinging is fixed to the tip portion thereof. Below the mouthpiece 5, a pair of upper and lower gripping rollers 9 and 10 (hereinafter,
Rollers 9 and 10) are mounted on the shaft.
The roller 9 is configured so that its interval can be adjusted by rotating the adjusting shaft 11. Reference numeral 12 is a signature guide that is engaged in annular grooves provided at a plurality of positions in the axial direction of the rollers 9 and 10 and fixed to a stay (not shown). Reference numeral 13 denotes a crank mechanism that is drivingly connected to the driving side and that moves the tip shaft 6 back and forth at a predetermined timing for raising and lowering the tip blade 8. Further, in the vicinity of the front end of the tipper blade 8, a plurality of paper pads 14 are arranged on the line orthogonal to and crossing the conveyor belt 1 and out of phase with the conveyor belt 1 in the paper width direction. With this configuration, the signature held by the upper and lower conveyor belts 1 and conveyed from the front side of the figure toward the back side of the paper stops at the paper pad 14, and the staple blade 8 moves there. Since the signature comes down at the fold line of the signature, the signature is half-folded by the cutter blade 8 and pushed through the pair of rollers 9 through the gap of the mouthpiece 5, and further pulled out by the pair of rollers 10. It

Next, a paper discharge device for a chip that captures a signature drawn downward from the roller 10 and discharges it onto a paper discharge conveyor will be described. 15 is a horizontal member on the side of the frame,
Reference numeral 16 denotes a bearing fixed to the subframe 3 side. The horizontal operation member 15 and the bearing 16 have a moving operation shaft 17 and a roller.
The movable operation shaft 17 is rotatably supported in correspondence with the central portion of the axial direction of 9, 10 and is movable in the axial direction with respect to the subframe 3 by its own collar portion and the collar 18. It is regulated. Further, since the sub-frame 3 moves with respect to the tipper frame when the signature size is changed, the movement operation shaft 17 is formed so as to be movable with respect to the horizontal member 15. Reference numeral 19 denotes a shifter formed by a bearing member 19a and a connecting member 19b on both sides in a U shape in a plan view, and a screw hole of a nut 20 fixed to a central portion of the connecting member 19b is provided with a moving operation shaft 17 of the moving operation shaft 17. Threaded part 17a
Is screwed, and the shifter 19 is configured to move in the horizontal direction, which is the axial direction of the movement operation shaft 17, by rotating the handle 21 fixed to the shaft end. The shifter 19 is slidably supported by upper and lower slide guides 22 and 23 provided inside the side plate 3a, whereby the shifter 19 moves smoothly. An impeller shaft 24, which is parallel to the rollers 9 and 10, is rotatably supported at the tip of the shifter 19 via a bearing. At one end of the impeller shaft 24,
The sprocket 25 is positioned and fixed inside the side plate 3a. Reference numeral 26 is a sprocket drivingly connected to the driving side, and a chain 27 is stretched between this and the sprocket 25, and rotation of the driving side is driven by the chain 27.
It is configured to be transmitted to 24 and rotate clockwise in the figure. At the free end of the arm 28 pivotally attached to the side plate 3a side,
A tension sprocket 29 attached to the chain 27 is pivotally mounted, and a tension spring 29a is stretched between the free end of the arm 28 and the spring hook on the side plate 3a side.
It is configured to absorb and stretch the slack. Further, on the impeller shaft 24, a plurality of impellers indicated by reference numeral 30 are arranged side by side in correspondence with the positions at which the rollers 9 and 10 are equally divided in the axial direction. The impeller 30 includes a disk-shaped blade base 31 with a boss attached to the impeller shaft 24, and a plurality of bases fixed at locations where the side surface outer peripheral portion of the blade base 31 is divided into a plurality of portions in the circumferential direction. And a strip-shaped arcuate blade 32. Below this impeller 30, a paper discharge conveyor 33 that runs from the front side to the paper back side of the drawing is stretched. 34 is a fixed guide which is formed in an arc shape in side view and is supported on the side plate 3a side and guides a signature 35 which falls between adjacent blades 32, and 36 is formed in an arc shape in side view and is arranged on the side plate 3a side. It is an upper guide whose rotation is adjustable so as to guide the protruding end of the signature 35, which is supported and held by the blade 32 and conveyed, while slidingly contacting the protruding end of the signature 35 from the blade 32. Below the upper guide 36, the side plate 3a
A lower guide 39 is provided, which is fixed to the tip of an adjustment shaft 38 slidably supported by a bracket 37 on the side and guides the protruding end of a signature 35, which is conveyed by the blade 32, in sliding contact. Just below the impeller shaft 24, there is provided a paper pad 41 for abutting the holding end of the signature 35 conveyed by the blade 32 supported by the bracket 40 on the side plate 3a side and ejecting it onto the paper ejection conveyor 33. ing. Reference numeral 42 denotes a plurality of fixed guides which are supported by the signature guide 12 and are arranged between the impellers 30 adjacent to each other, and guide the falling signature. Although not shown, a lateral guide, which is movable and adjustable, is provided on the outer side of the impeller 30 so as to guide the side edge of the signature 35 conveyed by the blade 32 by sliding contact. The shifter 19 is moved by gripping the handle 21 and rotating the moving operation shaft 17, and the impeller 30 is moved in the horizontal diametrical direction according to the specifications of the signature 35. .

The operation of the stapler device and the stapler sheet discharging device configured as described above will be described. After folding in parallel, the signature 35, which is held by the upper and lower discharge belts 1 and conveyed from the front side toward the back side of the figure, is stopped by bringing the leading end into contact with the paper holder 14, and the discharge belt is discharged. Only 1 leaves the signature 35 and continues to run. At the same time that the signature 35 stops, the chiyotsu pub 8 pushes the center fold line of the signature 35 from the gap of the mouthpiece 5 into the gap of the gripping roller 9, and this signature 35 is a signature guide.
After passing through 12, it is pulled down while being folded by the gripping roller 10. The folded signatures 35 are fixed guides on both sides.
Adjacent blades 32 of rotating impeller 30 guided by 34 and 42
It is transferred while being thrown in and held. At this time,
The signature 35 orbits while being guided by sliding its side edges to the lateral guides and sliding its protruding ends from the blades 32 to the fixed guides 34 and the upper guides 36. Then, when the impeller 30 further rotates and the folded end of the signature 35 comes into contact with the paper pad 41, only the impeller 30 continues to rotate and the signature 35 is left behind. Therefore, the signature 35 holds the blade 32. And is discharged onto the discharge conveyor 33. At the time of this discharge, the signature 35 is discharged onto the paper discharge conveyor 33 while being guided by the protruding end of the blade 32 slidingly contacting the lower guide 39, so that the paper ends are well aligned. The discharged signatures 35 are conveyed by the paper discharge conveyor 33 and accumulated in the stacker frame.

If the paper thickness of signature 35 changes from thin to thick and the paper quality is hard or the number of pages is large, the handle
21 The gripper 21 is operated to rotate the movement operation shaft 17, and the shifter 19 is slide-guided by the screw action of the screw portion 17a and the nut 20.
When moved to the left along the line 22 along the line 22, the impeller 30 on the impeller shaft 24, which is supported by the bearing portion of the shifter 19, moves to the left in the diagram. In this case, the chain 27 tries to sag, but since the tension sprocket 29 is pressed against the chain 27 by the tension spring 29a, the chain 27 does not sag. When the impeller 30 moves to the left in the figure, the signature
The position relative to the blade 32 when the 35 drops, that is, the signature 35
When the lower end of the blade collides with the blade 32, the angle formed by the signature 35 and the blade 32 changes, and even if the paper quality becomes hard, it does not touch the ridge line of the arc surface of the blade 32 and the signature paper surface is not damaged. In addition,
The rotation operation of the handle 21 can be performed while the machine is in operation while observing the state of the signature 35 being captured by the blades 32, and the impeller 30 can be positioned in an optimum state.

〔The invention's effect〕

As is apparent from the above description, according to the present invention, in the chopper sheet discharging device of the folding machine, the chopper blade that folds the signature at the folding line portion and the grip that pulls out the folded signature to the sheet discharging impeller are provided. The gripping roller and the paper discharge impeller are arranged such that their rotation axes are parallel to each other, and the chopper blade, the gripping roller, and the paper discharge impeller are provided. Since it is supported movably in the horizontal diametrical direction, the folding position can be adjusted by changing the signature size, and the paper output impeller is supported movably in the horizontal diametrical direction with respect to the gripping roller. By providing the lever movement operation mechanism, the horizontal position of the impeller with respect to the gripping roller can be arbitrarily adjusted according to the number of pages of the chopper signature, the paper thickness, the paper quality, and the like. Ding conveys by impeller When the can choose the best position of the impeller never or rubbed or pressed in the back of the blade, be or damaged dirty signature without amount of waste paper is reduced.

[Brief description of drawings]

FIG. 1 is a side view of an embodiment of a delivery device for a tipper of a folding machine according to the present invention and a tipper device. 2 …… Chooper device, 17 …… Movement operation axis, 19 …… Shifter, 21 …… Handle, 22 …… Slide guide, 24 …… Impeller shaft, 30 …… Imperator, 32 …… Blade, 35 …… Fold Ding.

Claims (1)

[Claims] 1. A chopper blade for folding a signature at a folding line portion,
The gripping roller for pulling out the folded signature to the discharge impeller is provided, and the gripping roller and the discharge impeller are
The rotating shafts are arranged so as to be parallel to each other, and while supporting the chopper blade, the gripping roller, and the impeller for paper ejection integrally and movably in the horizontal diametrical direction,
A paper ejection device for a chopper of a folding machine, wherein the paper ejection impeller is supported movably in a horizontal diametrical direction with respect to a gripping roller and a movement operation mechanism thereof is provided.