JPS6211880Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a sheet conveying device for a sorter.

Conventionally, this type of device has a rail-shaped paper guide device connected to a deflection device that moves up and down from a fixed guide plate, and has an auxiliary means for holding down the paper, or a guide using a magnet to hold down the paper. There is something that I tried to do. However, since the rail strip is operated in accordance with the movement of the deflection device, the device is cumbersome and expensive. Additionally, generally, a guide plate is provided on the paper transport path to guide the paper.
For example, in the case of paper that has been heated in the main body of a copying machine, the edges of the paper curl and the edges of the paper are guided in a floating state, making it easy to jam.

This invention was devised in view of these points, and the purpose is to provide a sheet conveying device for a sorter that can convey even curled sheets using a simple device without causing jams. That is.

In this invention, a deflecting section moving unit equipped with a deflecting member is positioned in front of a group of sorting trays so as to be able to move back and forth, and an endless belt-like belt is attached to the deflecting section for suctioning and conveying sheets fed from a pair of guide rollers. A pair of ejection rollers are provided along the operating direction of the moving unit, positioned at the entrance of the sorting tray group, and rotatably supported by a part of the deflecting unit moving unit, and the rollers pass through the belt. A guide member is provided between the deflecting member and the deflecting member to guide the sheet to the discharge roller, and the guide member is positioned between the guide member and the deflecting member and retracts outward along the conveyance direction of the sheet. The guide body is characterized in that an outer end portion of the guide body is fixed to the deflection section moving unit. Therefore, by providing a guide body that is positioned between the guide member and the deflection member and retracts outward along the conveyance direction of the sheet, even if a sheet with an edge curl is conveyed, This guide body can correct curls while conveying the sheet, thereby preventing the occurrence of jams.Moreover, even if jams occur for some other reason, the space between the belt and the tray group can be It is designed to be large and easy to operate.

An embodiment of this invention will be described based on the drawings. First, there is provided a sorting tray group 2 in which trays 1 made of a plurality of plate materials are arranged vertically. A deflection section moving unit 3 is provided at the front of the sorting tray group 2 so as to be able to reciprocate vertically. This deflection section moving unit 3 has a separation claw 5, which serves as a deflection member for controlling the moving direction of the conveyed sheet 4, attached to a vertically movable side plate 6. A pair of discharge rollers 7 and 8 are installed at the entrance of the tray 1. Further, along with the operating direction of the deflection section moving unit 3, a drive roller 9 and a roller 1 are provided.
An endless belt 11 supported by 0 is provided. Two belts 11 are provided on the left and right sides, and suction holes 12 are intermittently formed in the center of the belt along the longitudinal direction. Further, a suction device 15 including a vacuum suction tank 13, a fan motor 14, etc. is provided on the belt 11 in a position substantially corresponding to the position of the sorting tray group 2. The vacuum suction tank 13 of this suction device 15 has the suction hole 12
A suction hole 16 that can communicate intermittently with this suction hole 12 is formed in correspondence with the suction hole 12 . Furthermore, a plurality of guide bodies 17 are arranged along the belt 11 direction on the front and side surfaces of the recessed portion of the vacuum suction tank 13 . The belt 11 and the suction device 15 suction convey the sheet 4, and a pair of guide rollers 18 and 19 are provided to feed the sheet 4 to the belt 11. In addition, in front of the guide rollers 18 and 19, there are two upper and lower guide plates 2 that guide the sheet 4 from the fixing section of the copying machine between the guide rollers 18 and 19.
0 is set.

Two guide plates 21 and 22 are provided between the guide rollers 18 and 19 and the belt 11 (the upper end of the vacuum suction tank 13). That is, the guide plates 21 and 22 are connected to the guide roller 1.
It guides the sheet 4 fed in from the 8 and 19 sides to the belt 11 portion provided with the suction device 15, and is curved when viewed from the side. The belt 11 of the guide plate 22 located inwardly
Bent pieces 23 are formed at two places on the left and right near the sides,
This bent piece 23 is bent toward the guide plate 21 side and the guide plates 21, 22 are bent toward the belt 11 side.
A sloped portion 24 is formed in which the passageway between the two portions becomes gradually narrower.

Further, a guide plate 25 as a guide member is provided in front of the discharge rollers 7 and 8 so as to face the separation claw 5. This guide plate 25 allows the separation claw 5 to guide the sheet 4 between the discharge rollers 7 and 8. At the entrance of the sheet 4, the width between the separation claw 5 and the separation claw 5 is wide, so that the sheet 4 is guided toward the discharge rollers 7 and 8. It is curved so that the width becomes gradually narrower. Moreover, from the vicinity of the bases on both sides of this guide plate 25, the arms 2
6 extends and is rotatably supported on the side plate 6 by a shaft 27. That is, the guide plate 25 can be opened and closed with respect to the transport path of the sheet 4.

Furthermore, a bent guide body 29 in the shape of a round bar is provided between the separating claw 5 and the guide plate 25 and fixed to one side plate 6.
That is, the length of this guide body 29 is not long enough to reach the center between the side plates 6, but its shape is such that it is positioned between the guide member 25 and the separating claw 5 and reaches the center of the sheet carry-in side. The shape is defined such that the portion protrudes toward the belt 11 and retracts toward the outside along the conveyance direction of the sheet 4.

In such a configuration, the sheet 4 processed by the fixing section or the like is sent to the belt 11 side by guide rollers 18 and 19. Here, the sheet 4 that has been heat-fixed in the copying machine body tends to curl, but when it is conveyed to the belt 11 while being guided by the guide plates 21 and 22, one of the guide plates 2
Since the folded piece 23 is formed on the slanted part 24 having a narrow width of about 2 mm at the minimum, the curl on both sides of the sheet 4 is suppressed by the folded piece 23.
Thereby, even if the sheet 4 is curled, it can be guided to the belt 11 side, and the sheet 4 is reliably suction-conveyed to the separating claw 5 by the belt 11 and the suction device 15.

Then, the sheet 4 conveyed by the belt 11
are separated and deflected from the belt 11 according to the position of the separating claw 5 and directed toward a predetermined tray 1. At this time, the edges of the sheet 4 are curled and the edges of the sheet 4 are guided in a floating state, which tends to cause a jam, which is corrected by the guide body 29. That is, when the sheet 4 has an edge curl, the end portion is in a floating state as shown in FIG. The sheet 4 hits the edge of the guide body 29 while correcting the curl of the sheet 4 so that the sheet 4 hits the edge and then escapes toward the edge. In this way, the curling of the sheet 4 is corrected by the guide body 29 as it moves along the guide plate 25 toward the discharge rollers 7 and 8, making it difficult for the sheet 4 to jam, but even if it does occur, it is easy to take out the sheet. It is. That is, since the guide plate 25 can be opened and closed, the jammed sheet 4 can be easily taken out by opening the guide plate 25. On this occasion,
A guide body 29 is attached between the separation claw 5 and the guide plate 25, but since this guide body 29 is attached only to one side plate 6 and is on the back side, it is difficult to remove the jammed sheet 4. This guide body 29 does not get in the way. Although the guide body 29 is rod-shaped in this embodiment, it may be made of a bent sheet metal member.

This invention provides a guide body that is located between the guide member and the deflection member and retracts outward along the conveying direction of the sheet, so that even if a sheet with curled edges is conveyed, This guide body can correct curls while conveying the sheet, thereby preventing the occurrence of jams.Moreover, even if jams occur for some other reason, the distance between the belt and the tray group can be corrected. It has advantages such as a large space and good operability.

[Brief explanation of drawings]

The drawings show an embodiment of this invention, in which Fig. 1 is a schematic vertical side view, Fig. 2 is a perspective view of the guide plate, and Fig. 3 is a sectional view taken along line A-A in Fig. 1. , FIG. 4 is a front view of the deflection section moving unit. 2... Sorting tray group, 3... Deflection section moving unit, 4... Sheet, 5... Separation claw (deflection member), 7-8... Ejection roller, 11... Belt,
18-19... Guide roller, 25... Separation claw (guide member), 29... Guide body.

Claims (1)

[Scope of utility model registration request] A deflection section moving unit equipped with a deflection member is located at the front of the group of sorting trays so as to be able to freely reciprocate,
An endless belt for suctioning and conveying sheets fed from a pair of guide rollers is provided along the operating direction of the deflecting section moving unit, and is positioned at the entrance of the sorting tray group to move a part of the deflecting section moving unit. a pair of discharge rollers rotatably supported on the belt, a guide member for guiding the sheet passed through the belt to the discharge roller between the deflection member and the deflection member; A sheet conveying device for a sorter, characterized in that a guide body is formed between the two and retracted outward along the sheet conveyance direction, and an outer end of the guide body is fixed to the deflection section moving unit. .