JP2000095405A - Delivery unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a delivery unit that is effectively capable of avoiding jamming or the like of a sheetlike object in a slow revolving speed range. SOLUTION: This delivery unit is equipped with an impeller 11 rotating in holding the tip side of a signature 12 delivered between vanes, a guide 16 guiding a rear side of the signature 12 held by the impeller 11, and a paper discharging conveyor 8 running at a lower side of the impeller 11, and conveying the signature 12 to be discharged out of the impeller 11. A guide plate 30 being situated upward the paper discharge conveyor 8 and receiving the rear side of the signature 12 is supported on a lower part of the guide 16 as being capable of extending in the traveling direction of the paper discharge conveyor 8 almost parallelly and shifting along the traveling direction of the conveyor 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a delivery device such as a paper ejection device of a folding machine in a web-fed rotary printing press.

[0002]

2. Description of the Related Art A web rotary press is provided with a folding machine which cuts a web, which has been dried and cooled after printing, at predetermined lengths, or folds the web in a width direction or a length direction. .

FIG. 2 is a schematic side view of this kind of folding machine, which will be described with reference to FIG. 2. The folding machine 1 comprises a folding cylinder 2, a cutting cylinder 3, and a cutting cylinder 3, which rotate in the directions indicated by arrows in FIG. And a web 5 after printing supplied from a printing unit (not shown) to the folding machine 1 is fed between the folding cylinder 2 and the cutting cylinder 3.

When the web 5 is cut into a predetermined size between the two cylinders 2 and 3 and wound around the folding cylinder 2 with a needle (not shown), a gripper plate (not shown) of the gripper cylinder 4 is formed.
Is wrapped around the torso 4 while being folded at the center.

[0005] The web 5 folded in this manner is transported by being sandwiched between paper delivery belts 6, which are stretched up and down, is discharged onto a paper delivery conveyor 8 by an impeller 7 and is transported to a predetermined position. Is done. As a result, a two-fold (parallel fold) signature indicated by reference numeral 9 is obtained.

A chopper 10 having a chopper blade which moves up and down is provided on a signature transfer path by the paper discharge belts 6 and 6, and an impeller 7 is provided below the chopper 10.
An impeller 11 having the same structure as that described above is axially mounted on the impeller 7 so as to be orthogonal to the axial direction.

If one wishes to obtain a four-fold (chopper-folded) signature as indicated by reference numeral 12, the chopper 10
Is operated, the signature 9 being transported by the paper discharge belts 6 and 6 is folded from the center by the chopper 10, discharged by the impeller 11 onto the paper discharge conveyor 8 and transported.

As described above, two types of signatures 9 and 12 can be selectively folded by one folding machine. still,
In the figure, reference numeral 13 denotes a contact (stripper) which is provided below the impeller 7 and is provided fixedly and guides the signature 9 carried by the impeller 7 onto the paper discharge conveyor 8 below.

[0009]

By the way, in the above-described paper discharge device, the signatures 9 and 12 which have entered the impellers 7 and 11 generally have their blades gradually contacted with the stripper 13 at their leading ends. The vehicle exits from the cars 7 and 11 and finally falls on a discharge conveyor 8 running below the impellers 7 and 11 in a state close to horizontal.

However, in a slow rotation speed range such as a slow rotation of the machine, as shown in FIG.
Before exiting, the trailing side of the signature 12 hangs down,
Since the trailing edge of the signature is rounded because it comes into contact with the paper discharge conveyor 8 and is conveyed in the signature traveling direction (in the direction of the arrow) with the trailing edge of the signature rolled, a paper jam or a paper ejection disorder. There were problems such as the occurrence of. FIG. 3 shows an impeller 11 below the chopper 10, in which 14 is a folding roller, and 15 and 16 are adjustable guides.

An object of the present invention is to solve such a problem, and an object of the present invention is to provide a delivery device capable of effectively avoiding jamming of a sheet-like material in a low rotational speed range.

[0012]

A delivery apparatus according to the present invention for achieving the above object comprises an impeller that rotates while holding the leading end of a sheet-like product sent out between blades, and an impeller that rotates. A delivery device comprising: a guide member that guides a rear end side of the held sheet-like material; and a delivery conveyor that travels below the impeller and conveys the sheet-like material discharged from the impeller. In the above, between the guide member and the delivery conveyor, a sheet receiving member that receives a rear end side of the sheet-like material and extends substantially parallel to a traveling direction of the delivery conveyor is provided, and the sheet receiving member is provided on the delivery conveyor. It is characterized by being supported movably along the traveling direction. According to this, in a low rotation speed range such as a slow rotation of a machine, for example, the rear end side of the sheet-like material that is going to hang down at a predetermined time is received by the sheet receiving member, and the rear end side of the sheet-like material is delivered. It is possible to prevent the sheet from being rounded by contact with the conveyor, and it is possible to prevent the sheet from being jammed or disturbed due to being conveyed in the sheet moving direction with the rear end of the sheet being round. Further, the amount of overhang of the sheet receiving member is adjusted according to the folding specifications, paper quality, and the like.

An impeller that rotates while holding the leading end side of the fed sheet-like material between the blades; a guide member that guides a rear end side of the sheet-like material held by the impeller; A delivery conveyor that travels below the impeller and conveys the sheet-like material discharged from the impeller; and a rear end of the sheet-like material located above the delivery conveyor. A sheet receiving member for receiving the side is provided on the guide member, and the sheet receiving member extends substantially parallel to a traveling direction of the delivery conveyor. According to this,
For example, in a low rotation speed range such as slow rotation of the machine, the rear end side of the sheet-like material that is going to hang down at a predetermined time is received by the sheet receiving member, and the rear end side of the sheet-like material comes into contact with the delivery conveyor. Curling can be prevented, and jamming of the sheet-like object and disturbance of sheet discharge due to being conveyed in the sheet-like object traveling direction with the rear end of the sheet-like object curled can be avoided. Further, since the sheet is received by the sheet receiving member in a state where the sheet is regulated by the guide member, the sheet is conveyed in a state where the sheet is properly aligned on the delivery conveyor.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a delivery device according to the present invention will be described in detail using embodiments with reference to the drawings.

[Embodiment] FIG. 1 is a side view of an impeller unit in a sheet discharging device of a folding machine according to an embodiment of the present invention. still,
In this figure, the same members as those in FIGS. 2 and 3 are denoted by the same reference numerals, and redundant description will be omitted.

As shown in FIG. 1, among the adjustable guides 15 and 16 provided above the delivery conveyor 8 and beside the impeller 11, the lower guide 16 is It is supported so as to be movable along the traveling direction of the discharge conveyor 8 in accordance with a folding specification (one-fold, delta-fold, two-fold, etc.) or a change in paper width, and to be retractable from immediately above the discharge conveyor 8.

That is, the guide 16 is formed in a T-shape and its base end is pivotally supported by the upper end of the movable bracket 20, and the clamp lever 21 is loosened and rotated by the operation lever 22. It can be retracted to the position shown by the chain line.

On the other hand, a guide rod 23 and a rack 24 are penetrated and fixed substantially horizontally (along the traveling direction of the paper discharge conveyor 8) with one end thereof connected to a lower portion of the movable bracket 20. The other end is movably supported by a support block 25 fixed to the folder frame side. The support block 25 is provided with a pinion 26 that meshes with the rack 24, and is rotated by a motor 27 by belt driving.

Accordingly, when the motor 27 rotates, the movable bracket 20 moves in the traveling direction of the paper discharge conveyor 8 by the pinion 26 and the rack 24, and the guide 16 which moves integrally with the movable bracket 20 is folded. And the paper is positioned at an appropriate position according to the change in paper width.

At the lower end of the guide 16, a guide plate 30 for receiving the trailing side (rear end side) of the signature 12 as a sheet-like material discharged from the impeller 11 is provided. Extending substantially parallel to the direction of travel.

The guide plate 30 is fastened to an L-shaped bracket 31 welded to the lower end of the guide 16 by a bolt 32 through an elongated hole (not shown) formed in the L-shaped bracket 31, and 8 is supported so as to be movable in the traveling direction.

With such a configuration, in the slow rotation speed range such as the slow rotation of the machine, the signature 12 gradually coming out of the impeller 11 by the contact of the tip of the signature with the stripper 13 can be used. In the present embodiment, the buttocks are likely to hang down, but are received by the guide plate 30.

As a result, the trailing end of the signature 12 can be prevented from being rounded by contact with the paper discharge conveyor 8, and the signature 12 is conveyed in the signature traveling direction (the direction of the arrow) with the trailing end thereof rolled. As a result, paper jams and paper ejection disturbances can be avoided. That is, the entire signature or the middle portion of the signature 12 first comes into contact with the paper discharge conveyor 8 and is discharged.

At this time, since the signature 12 is received by the guide plate 30 while being regulated by the guide 16, the signatures 12 are conveyed in a state where the signatures 12 are aligned on the discharge conveyor 8. In addition, since the paper is smoothly discharged as described above, it is not necessary to adjust the guides 15 and 16 from the gentle rotation to the printing rotation.

Further, since the guide plate 30 can be moved independently, the amount of overhang can be finely adjusted according to the folding specifications, paper quality, and the like.

In the above-described embodiment, an example is described in which a signature is used as a sheet-like material. However, unfolded paper may be used, and a plastic sheet or a vinyl chloride sheet may be used as a material. Needless to say, there is.

The present invention is not limited to the above embodiment,
It goes without saying that various changes can be made without departing from the spirit of the present invention, such as disposing the guide plate 30 separately from the guide 16.

[0028]

According to the first aspect of the present invention, an impeller that rotates while holding the leading end of the sheet-like material sent out between the blades, and a rear end of the sheet-like material held by the impeller A delivery member including a guide member that guides the side, and a delivery conveyor that travels below the impeller and conveys the sheet-like material discharged from the impeller, wherein the guide member, the delivery conveyor, A sheet receiving member that receives the rear end side of the sheet-like material therebetween and extends substantially parallel to the traveling direction of the delivery conveyor is provided, and the sheet receiving member is movably supported along the traveling direction of the delivery conveyor. Therefore, in a low rotation speed range such as a slow rotation of the machine, for example, the rear end side of the sheet-like material that is going to hang down at a predetermined time is received by the sheet receiving member, and The rear end of the sheet can be prevented from rolling in contact with the delivery conveyor, and the sheet can be jammed or disturbed due to the rear end of the sheet being conveyed in the rolled state in the traveling direction. Is avoided.
Further, the amount of overhang of the sheet receiving member can be adjusted according to the folding specification, paper quality, and the like.

According to the second aspect of the present invention, an impeller that rotates while holding the leading end side of the fed sheet-like material between the blades, and a rear end side of the sheet-like material held by the impeller And a delivery conveyor that travels below the impeller and that conveys the sheet-like material discharged from the impeller, wherein the delivery device is located above the delivery conveyor. The guide member is provided with a sheet receiving member that receives the rear end side of the sheet-like material, and the sheet receiving member extends substantially parallel to the traveling direction of the delivery conveyor, so that a slow rotation such as a slow rotation of a machine is performed. In some areas, the rear end side of the sheet-like material that is going to hang down at a predetermined time is received by the sheet receiving member, and the rear end side of the sheet-like material comes into contact with the delivery conveyor and is rounded. Bets can be prevented, jams and paper ejection disturbance in the sheet by being conveyed to the sheet traveling direction in a state where sheet trailing end rounded is avoided. Further, since the sheet is received by the sheet receiving member in a state where the sheet is regulated by the guide member, the sheet is conveyed in a state where the sheet is properly aligned on the delivery conveyor.

[Brief description of the drawings]

FIG. 1 is a side view of an impeller unit in a paper ejection device of a folding machine according to an embodiment of the present invention.

FIG. 2 is an overall side view of a folding machine according to a conventional example.

FIG. 3 is a side view of the impeller showing the same problem.

[Explanation of symbols]

 Reference Signs List 8 discharge conveyor 11 impeller 12 signature 13 stripper 15 guide 16 guide 20 movable bracket 21 clamp lever 22 operation lever 23 guide rod 24 rack 25 support block 26 pinion 27 motor 30 guide plate 31 L-shaped bracket 32 bolt

Claims (2)

[Claims] An impeller that rotates while holding a leading end of the sheet-like material sent between the blades; a guide member that guides a rear end side of the sheet-like material held by the impeller; A delivery conveyor that travels below the impeller and conveys the sheet-like material discharged from the impeller, wherein a delivery conveyor is provided between the guide member and the delivery conveyor. A delivery device, comprising: a sheet receiving member that receives an end side and extends substantially parallel to a traveling direction of the delivery conveyor, and supports the sheet receiving member movably in a traveling direction of the delivery conveyor. 2. An impeller that rotates while holding the leading end side of the fed sheet-like material between the blades, a guide member that guides a rear end side of the sheet-like material held by the impeller, A delivery conveyor that travels below the impeller and conveys the sheet-like material discharged from the impeller; and a rear end of the sheet-like material located above the delivery conveyor. A delivery device, wherein a sheet receiving member for receiving a side is provided on the guide member, and the sheet receiving member extends substantially parallel to a traveling direction of the delivery conveyor.