JPH05254678A - Sheet bundle feeding method - Google Patents

Abstract

PURPOSE:To feed a bundle of sheets on a pallet completely by using a pallet which is provided with a cut part where a propulsion part can be inserted, and providing a part which follows the feed direction of the bundle of sheets stacked on the pallet, disposed on the cut part for feeding by a propulsion tool. CONSTITUTION:A pallet 2 is provided with a slit-shaped cut part 2B where a propulsion tool 10 can be inserted from the inserting side edge 2A of the propulsion tool 10 in the pallet 2. Besides, a part which follows the feed direction of the bundle of sheets 1 stacked on the pallet 2 is provided by arranging on the cut part 2B for feeding by the tool 10. Next, the separation part 11 of the tool 10 is inserted in the sheet bundle 1 to separate the sheet bundle 1 into two sheet blocks 1A, 1B. The tool 10 is moved upwards in a direction where the tool is separated from the pallet 2, and the edge part of the upper sheet block 1A is lifted to be held. The tool 10 is made to advance in the feed direction of the bundle 1 to feed the sheet block 1A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for feeding a sheet bundle such as a paper sheet, a metal sheet or a plastic sheet.

[0002]

2. Description of the Related Art Conventionally, as a method for feeding a stack of sheets stacked on a pallet, an operator manually performs the method as in the method for feeding a printing sheet bundle described in Japanese Patent Publication No. 2-58179. It was a thing. That is, the worker grips the sheet bundle on the pallet for each block composed of a plurality of sheets and sends it to the lower process.

In order to automate the sheet bundle feeding method,
It is also conceivable that at least a part of the sheet blocks of the sheet bundle stacked on the pallet is pressed by the propelling tool and pushed out of the pallet.

[0004]

However, in the sheet bundle feeding method using the above-mentioned propelling tool, the lowermost sheet in contact with the pallet cannot be fed out. That is, even if the propelling tool is advanced along the upper surface of the pallet in the feeding direction, the propelling tool inevitably has a slight gap with the upper surface of the pallet. Cannot be extruded.

An object of the present invention is to make it possible to reliably send out a sheet bundle on a pallet.

[0006]

According to a first aspect of the present invention, there is provided a sheet bundle feeding method for feeding at least a part of sheet blocks of a sheet bundle stacked on a pallet to the outside of the pallet by a propelling tool. Use a pallet that has a cutout that extends from the propeller insertion side edge of the pallet in the propulsion tool forward direction and that can be inserted by the propulsion tool, and place a part of the sheet bundle stacked on the pallet along the feeding direction on the cutout. It is arranged to be ready for delivery by the above-mentioned propelling tool in the arranged state.

According to a second aspect of the present invention, in addition to the first aspect of the present invention, the propelling tool clamps the end portion of the sheet block to be fed and feeds the sheet block. ..

[0008]

According to the present invention, there are the following actions. The propulsion device may be set below the lowermost sheet on the pallet in the notch of the pallet. Therefore, the propelling tool is inserted into the cutout portion of the pallet and reliably presses or holds the entire sheet block including the lowermost sheet,
Propulsive force can be applied to the sheet block to send it out of the pallet.

The propelling tool sandwiches the end portion of the sheet block to be fed out and feeds out the sheet block. Even if the respective sheet end portions of the sheet block to be fed out are not aligned in the feeding direction, the propelling tool is provided. Does not bend at the ends of those sheets,
Propulsive force can be applied to the seat block.

[0010]

1 is a perspective view showing an embodiment of the present invention, FIG.
1 is a plan view of FIG. 1, FIG. 3 is a schematic view showing a feeding state of an upper layer sheet block by a propelling tool, FIG. 4 is a schematic diagram showing a feeding state of a lower layer sheet block by a propelling tool, and FIG. Schematic diagram for explaining the clamping tool and its action,
FIG. 6 is a perspective view showing another embodiment of the present invention, and FIG. 7 is a schematic view showing the feeding state of the lower layer seat block by the propelling tool.

In FIGS. 1 and 2, 1 is a sheet bundle, 2 is a pallet, 3 is a feed roller, and 10 is a propelling tool. The pallets 2 are stacked in multiple stages on a lifter table (not shown) with legs 4 interposed therebetween, and a sheet bundle 1 such as a printed sheet bundle is laminated on the upper surface of each pallet 2. In the sheet bundle feeding method shown here, the sheet blocks of the sheet bundle 1 on each pallet 2 are sequentially positioned at the feeding level to the feeding roller 3 by the intermittent lifting operation of the lifter table, and the feeding is performed. The sheet block positioned at the feeding level to the roller 3 is pushed out toward the biting position side of the feeding roller 3 by the propelling tool 10 and, as a result, is fed out of the pallet 2.

The feeding roller 3 is composed of a pair of upper and lower forcibly driving rollers, and allows the sheet block to be bitten, pinched and carried out.

Further, the propulsion tool 10 is substantially L-shaped and has a separating portion 11 and a pressing portion 12. The separating portion 11 has a spatula shape and is inserted into the side surface of the sheet bundle 1 to separate the sheet bundle 1 into upper and lower sheet blocks 1A and 1B, and scoops and holds the end portion of the upper sheet block 1A. Pressing part 12
Of the upper and lower seat blocks 1A and 1B abut against the end surface of the upper seat block 1A.
Can be extruded.

The propelling tool 10 can be moved forward and backward in the sheet bundle feeding direction by the forward-backward movement cylinder device, and can be moved up and down by the lifting cylinder device.

At this time, in the sheet bundle feeding method shown here, as the pallet 2, the pallet 2 extends from the insertion side edge 2A of the propulsion tool 10 in the forward direction of the propulsion tool 10 and the propulsion tool 10 can be inserted. It is assumed that the one having the slit-shaped notch 2B is used. And pallet 2
The sheet bundle 1 to be stacked on top of the sheet bundle 1 is provided in the state of being arranged on the cutout portion 2B so as to be fed by the propelling tool 10.

However, the procedure for feeding the upper layer side sheet bundle using the propelling tool 10 is as follows (see FIG. 3).

(1) The separating portion 11 of the propelling tool 10 is attached to the sheet bundle 1
And insert the sheet bundle 1 into two sheet blocks 1A,
Separate into 1B.

(2) The propelling tool 10 is moved upward (or swung upward) in a direction away from the pallet 2 (upward), and the upper end portion of the seat block 1A is picked up and held.

(3) The propelling tool 10 is moved forward in the feeding direction of the sheet bundle 1, and the pressing portion 12 feeds the upper sheet block 1A to the biting position side of the feeding roller 3.

The procedure for feeding the lower layer side sheet bundle using the propelling tool 10 is as follows (see FIG. 4).

(4) Attach the propelling tool 10 to the cutout portion 2B of the pallet 2.
It is inserted inside (see FIG. 4 (A)).

(5) The sheet bundle 1 is attached to the separating portion 11 of the propelling tool 10.
While hooking the lowermost sheet end of the sheet bundle 1, the propelling tool 10 is moved upward (or swung upward) in a direction away from the pallet 2 (and is swung upward) to hold the sheet bundle 1 (FIG. 4).
(See (B)).

(6) The propelling tool 10 is moved forward in the feeding direction of the sheet bundle 1, and the pressing portion 12 feeds the upper sheet block 1A to the side where the feeding roller 3 is caught (see FIG. 4C). ..

In the above (2) or (5), instead of moving the propelling tool 10 upward in the direction away from the pallet 2 (upward), the direction separating the pallet 2 from the propelling tool 10 (downward). It may move downward (or swing downward). In this case, it is necessary to control the pallet 2 to move downward so that the leading end of the sheet bundle 1 on the moved pallet 2 is set to the biting level of the feeding roller 3.

According to this embodiment, there are the following effects. The propelling tool 10 is placed in the notch 2B of the pallet 2 in the pallet 2
It can be set lower than the uppermost sheet. Therefore,
The propelling tool 10 is inserted into the cutout portion 2B of the pallet 2 and reliably presses the entire sheet block including the lowermost sheet, imparts propulsive force to the sheet block, and can be sent out of the pallet.

Further, after the sheet bundle 1 on the pallet 2 is delivered, the sheet bundle 1 on the next pallet 2 can be delivered by the propelling tool 10 without removing the pallet 2. That is, all the sheet bundles 1 on the pallets 2 can be sent out while the pallets 2 stacked in multiple stages are stacked.

The embodiment shown in FIGS. 6 and 7 differs from the embodiment shown in FIGS. 1 to 4 in that the cutout portion 20B of the pallet 20 is formed.
The only difference is that it is not a slit shape but a concave shape. The notch 20 </ b> B extends in the forward direction of the propulsion tool 10 from a substantially upper half of the insertion side end 20 </ b> A of the propulsion tool 10 in the pallet 20 and has a recessed shape into which the propulsion tool 10 can be inserted. Then, a part of the sheet bundle 1 stacked on the pallet 20 along the delivery direction is arranged on the cutout portion 20B to be prepared for delivery by the propelling tool 10. The sheet bundle feeding procedure using the propelling tool 10 is substantially the same as that in the embodiment shown in FIGS.

In the pallet 20, the notch 20
Since B has a concave shape and the continuity of the constituent material is not lost even in the portion where the cutout portion 20B is formed, the strength can be increased as compared with the pallet 2 including the slit-shaped cutout portion 2B.

In the practice of the present invention, the propelling tool 10
Is provided with a sandwiching portion 13 that sandwiches the end portion of one of the delivered sheet blocks, and the sheet block can be sandwiched and delivered without being pressed (see FIG. 5A). According to this, even if the respective sheet ends of the sheet block to be delivered are not aligned in the delivery direction,
The propulsion tool 10 can apply propulsive force to the seat block without bending the end portions of the seat.

That is, when the respective sheet ends of the sheet block to be delivered are not aligned in the delivery direction, the propelling tool 1
When the end portion of the sheet block is pressed by the pressing portion 12 of 0, the protruding end portion of the sheet block may be bent (see FIGS. 5B and 5C).

When the propelling tool 10 is provided with the holding portion 13, the propelling tool 10 holds the seat block,
Not only can it be pushed out, but it can also be pulled out.

In the practice of the present invention, the propelling tool is
It is not indispensable to provide the separating portion 11, and only the pressing portion 12 or the sandwiching portion 13 may be provided. At this time, the propelling tool does not need to move up and down for picking up and holding the seat block by the separating portion 11, and the lower end portion of the pressing portion 12 or the sandwiching portion 13 is placed inside the cutout portions 2B and 20B of the pallets 2 and 20. It suffices to move forward and backward in the state of being located at.

[0033]

As described above, according to the present invention, the sheet bundle on the pallet can be reliably sent out.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a schematic diagram showing a feeding state of an upper layer sheet block by a propelling tool.

FIG. 4 is a schematic view showing a feeding state of a lower layer seat block by a propelling tool.

FIG. 5 is a schematic diagram illustrating a holding tool that holds a seat block and its operation.

FIG. 6 is a perspective view showing another embodiment of the present invention.

FIG. 7 is a schematic view showing a feeding state of a lower layer sheet block by a propelling tool.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 sheet bundle 1A, 1B sheet block 2, 20 pallet 2B, 20B cutout portion 10 propelling tool 12 pressing portion 13 sandwiching portion

Claims (2)

[Claims] 1. A sheet bundle feeding method for feeding at least a part of a sheet block of a sheet bundle stacked on a pallet to the outside of the pallet by a propelling tool, wherein the propelling tool insertion side end side of the pallet is in the propelling tool forward direction. Use a pallet that extends and has a notch into which the propelling tool can be inserted, and prepare for feeding by the propelling tool in a state where a part of the sheet bundle stacked on the pallet along the feeding direction is arranged on the notch. Characteristic sheet bundle feeding method. 2. The sheet bundle feeding method according to claim 1, wherein the propelling tool feeds the sheet block while sandwiching an end portion of the fed sheet block.