JPH05162913A - Sheet stacker device - Google Patents

Abstract

PURPOSE:To accumulate sheets discharged in a partially overlapping manner and put those sheets on a pal let. CONSTITUTION:Sheets 1 are transported to a designated height by a transport conveyer 7, discharged by a discharge conveyer 10, jogged to be aligned in the flow direction by a contact plate 16 and a jogger 17 with an air spraying device, jogged in the lateral direction by a side jogger 19 and accumulated on a pallet 3 put on a pile table 12. During accumulation of sheets, the pile table 12 is lowered in such a manner that the uppermost surface of the sheets on the pile table is constant. At the time of replacing a pallet 13, a spit 20 in stanby in the vertical state is raised to be horizontal and inserted above the pallet to temporarily receive the sheets from the discharge conveyer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stacker device for sheets, which is capable of accumulating relatively thick sheets (for example, basis weight of about 150 to 450 g / m ² ) such as carton base paper and placing them on a pallet. Regarding

[0002]

2. Description of the Related Art In the delivery of a gravure rotary printing machine (inline) or a take-up punching machine (offline), a punched sheet 1 is partially overlapped on a delivery conveyor 2 as shown in FIG. It was discharged into sashimi), and the operator aligned it by hand and loaded it on the pallet 3. Further, as shown in FIG. 5, there is a stacker 5 provided behind the delivery conveyor 2, and in this case, the stacker 5 is provided.
The operator had loaded a predetermined number of stacked items on the pallet 3.

[0003]

However, there has been a problem that the work of manually aligning the sheets discharged by the delivery conveyor is a heavy labor, and the transfer to the pallet is also a heavy labor. Further, when the stacker 5 is used, the labor of aligning the sheets is reduced, but the work of transferring the stacked sheets to the pallet is necessary, which is also a heavy labor.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a sheet stacker device capable of directly accumulating sheets discharged onto a delivery conveyor on a pallet.

[0005]

DISCLOSURE OF THE INVENTION The present invention, which has been made to achieve the above object, provides a conveyor for receiving sheets discharged in a partially overlapped state and conveying them at a predetermined height, and a conveyor for conveying the sheets. Of the sheet for receiving the sheet and discharging it to the stacking position, a pile table that supports the pallet on which the discharged sheet is placed and can be moved up and down, and a pad provided at a position for regulating the tip of the sheet discharged from the discharging conveyor. A plate, a jogger with an air blowing device that presses and aligns a sheet discharged and dropped from the discharge conveyor to the patch plate, a side jogger that aligns both sides of the sheet discharged from the discharge conveyor, and usually the patch It is arranged so that it is almost vertical to the side opposite to the stacked sheets with respect to the plate, and when used, it is swung to a horizontal position and The sheet stacker device having a insertable comb under the seat to fall from the conveyor leaving the gist.

[0006]

In the sheet stacker device having the above-mentioned structure, the conveying conveyor conveys the sheet to a predetermined height and the sheet is discharged by the discharging conveyor, so that the sheets can be accumulated on the pallet held on the pile table. .. that time,
The sheets discharged from the discharge conveyor are aligned in the front-rear direction by being pushed against the backing plate by the force of discharge and the jogger with an air blowing device, and are also aligned in the left-right direction by the side jogger, and are neatly stacked on the pallet. .. At this time, the air blowing device blows air between the sheets to allow the sheets to move freely even if the sheets are thick, and the sheets can be aligned well in the front, rear, left, and right directions. Moreover, the pile table is lowered as the sheets are stacked, which allows a desired amount of sheets to be stacked on the pallet without disturbing. After accumulating a certain amount of sheets, the skewers that had been vertical were raised horizontally and inserted below the sheets discharged from the discharge conveyor, so that the sheets can be temporarily received, and the sheets can be temporarily received in the meantime. Eject the pallet on the pile table and place an empty pallet on the pile table. Since the skewers are usually in a vertical state, they are not bulky and do not interfere with the surrounding work.

[0007]

1 is a schematic sectional view of a sheet stacker device according to an embodiment of the present invention, FIG. 2 is a schematic plan view thereof, and FIG. 3 is a state in which the sheet stacker device is arranged behind a delivery conveyor. It is a schematic side view which shows. In FIG.
Reference numeral 2 denotes a delivery conveyor arranged behind the gravure rotary printing machine or the take-up punching machine, which receives the punched sheets 1 of carton base paper in a partially overlapped state,
It is configured to be conveyed horizontally. A sheet stacker device 6 is arranged behind the delivery conveyor 2.

In FIGS. 1 and 2, reference numeral 7 denotes a conveyer conveyor 8 provided so as to be inclined so as to receive the sheet 1 discharged from the delivery conveyor in a partially overlapped state and convey it to a predetermined height. Is a pressing roller for pressing the sheet 1 onto the conveyer conveyor 7 to ensure the conveyance of the sheet,
9 is a side guide that guides both sides of the sheet conveyed by the conveyer 7, 10 is a discharge conveyor that is horizontally arranged to receive the sheet from the conveyer 7 and discharges it to the stacking position, 11 is the discharge conveyer 10. A pressing roller for pressing the sheet 1 to ensure the discharge of the sheet from the discharge conveyor 10. The discharge conveyor 10 does not necessarily have to be a conveyor different from the transport conveyor 7, and may be an integral conveyor with the transport conveyor 7.

A pile table 12 supports a pallet 13 on which the sheets 1 discharged from the discharge conveyor 10 are placed and which can be moved up and down, and is suspended by a chain 14 connected to a winding device (not shown). .. This winding device is controlled by a signal from a detector (not shown) arranged at a predetermined height so as to detect the upper surface position of the sheets 1 accumulated on the pile table 12, and the maximum number of sheets being accumulated is increased. The pile table 12 is configured to be lowered so that the upper surface is always at a constant height.

Reference numeral 16 is a backing plate provided at a position for regulating the leading edge of the sheet discharged from the discharge conveyor 10,
Is a jogger with an air blowing device for pressing and aligning the sheets discharged from the discharge conveyor 10 and falling on the contact plate 16, and is a jogger main body 17a that reciprocates to align the sheets and is located behind the jogger main body 17a. And an air blowing device 17b for blowing air into. The air blowing device 17b may be fixedly provided at a fixed position, or may be provided so as to reciprocate together with the jogger main body 17a. A blower 18 is connected to the air blowing device 17b. 19 is a side jogger that aligns both sides of the sheet discharged from the discharge conveyor 10,
20 is a skewer for temporarily receiving the sheet. This skewer 20
Are movably held on a rotatable support 21. As shown in FIG.
Is arranged on the side opposite to the sheets 1 to be stacked and normally holds the skewer 20 in a vertical state.
When the skewer 20 is used, the skewer 20 can be swung to a horizontal position and inserted under the sheet falling from the discharge conveyor.

Next, the sheet stacker device 6 having the above structure
The operation of will be described. The sheet 1 discharged from the delivery conveyor 2 in the partially overlapped state is conveyed obliquely to the upper side by the conveyance conveyor 7, and then horizontally conveyed by the discharge conveyor 10 and discharged to the stacking position. When the discharged sheet 1 falls, the sheet 1 and the side jogger 19 align the sheet 1 in the flow direction and the side jogger 19 in the left-right direction. At this time, since the air blowing device 17b blows air between the sheets, the sheets are satisfactorily aligned with each other. A pallet 13 on which a sheet 1 that is aligned and dropped is placed on a pile table 12.
The sheets 1 are stacked on the pallet 13 by receiving the sheets. As the sheets 1 are stacked on the pallet 13, the pile table 12 descends so that the uppermost surface of the sheets 1 on the pallet 13 is kept at a constant height. As a result, the distance that the sheets fall from the discharge conveyor 10 is kept constant, and the sheets are collected neatly without being disturbed.

After a certain amount of sheets 1 are accumulated on the pallet 13, the skewer 20 is swung in the direction of arrow A in FIG. 1 to be raised horizontally, and then pushed in the direction of arrow B to drop from the discharge conveyor 10. Insert it underneath and temporarily receive the sheet. In that state, the pile table 12 is lowered to the floor surface, the pallet 13 loaded with the sheets 1 is discharged by a hand lift or the like, and an empty pallet is placed instead, and the pile table 12 is raised to a predetermined position, and then the skewer 20 is moved. Pull out and transfer the sheet that was temporarily received onto the pallet. By repeating the same operation thereafter, the sheets can be automatically aligned and stacked on the pallet 13.

[0013]

As described above, according to the sheet stacker device of the present invention, the sheets discharged in the partially stacked state can be stacked and automatically stacked on the pallet. As described above, it has an effect that the heavy labor for loading on the pallet can be omitted.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view of a sheet stacker device according to an embodiment of the present invention.

FIG. 2 is a schematic plan view of the above embodiment.

FIG. 3 is a schematic side view showing a state in which the above sheet stacker device is arranged downstream of a delivery conveyor.

FIG. 4 is a schematic side view showing a state in which sheets are stacked on a pallet from a delivery conveyor in the prior art.

FIG. 5 is a schematic side view showing a state in which sheets are stacked on a pallet from a stacker arranged downstream of a delivery conveyor in the related art.

[Explanation of symbols]

 1 sheet 2 delivery conveyor 3 pallet 5 stacker 6 sheet stacker device 7 transport conveyor 8 presser roller 9 side guide 10 discharge conveyor 11 presser roller 12 pile table 13 pallet 16 backing plate 17 jogger with air blower 17a jog body 17b air blowing Device 18 Blower 19 Side jogger 20 Skewers 21 Support

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Office reference number FI technical display location B65H 31/32 7309-3F 31/36 7309-3F

Claims (1)

[Claims] 1. A conveyor that receives sheets discharged in a partially overlapped state and conveys the sheets to a predetermined height,
A discharge conveyor that receives the sheet from the transport conveyor and discharges it to a stacking position, a pile table that supports a pallet on which the discharged sheet is placed and that can be moved up and down, and a position that regulates the tip of the sheet discharged from the discharge conveyor. A pad plate provided, a jogger with an air blowing device that presses and aligns the sheet discharged and dropped from the discharge conveyor to the patch plate, and a side jogger that aligns both sides of the sheet discharged from the discharge conveyor, For a sheet having a skewer which is arranged so as to be substantially vertical to the side opposite to the sheets stacked with respect to the backing plate, swivels to a horizontal position when used, and can be inserted below the sheet falling from the discharge conveyor. Stacker device.