JPH024501B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for stacking printed and punched paper box blanks onto a pallet.

(Prior Art and Problems to be Solved by the Invention) A punched blank is created through a printing and punching process using a printing and punching machine, and is then passed through a pasting machine and bent from weakened lines for folding. A paper box is made by applying adhesive to the glue and pasting it.

In the above-mentioned paper box manufacturing process, the operating speeds of the printing and punching machine and the pasting machine are different, so connecting the two will result in a decrease in efficiency. A method is used in which a certain amount of material is once stacked on a pallet and then stored.

However, in conventional methods, in order to place a large number of blanks discharged from the discharge conveyor of a punching machine onto a pallet, the direction of the discharged punched blanks is changed and the blanks are placed on the pallet in a pattern with a high area utilization rate. There is a problem in that the vehicle must be loaded, which requires manpower and effort.

The present invention provides a punched blank with a high area utilization rate.
The purpose is to provide a method for efficiently stacking items on a pallet.

(Means for Solving the Problems) In order to achieve the above object, the present invention involves punching blanks for assembling paper boxes in multiple rows from a long web using a printing punching machine, and arranging the blanks in multiple rows. A step in which the blanks are discharged as they are from the printing and punching machine, a step in which the punched blanks discharged in multiple rows are stacked in each row to form a plurality of blocks, and a block in the stacked punched blanks is removed from the stacked position. move it to another position,
The process involves temporarily storing the blanks, and then feeding out the blocks one by one.The blocks of punched blanks fed out one by one are rotated in the desired direction, and then conveyed onto the table of the pallet loading device, where they are arranged in the desired pattern. The gist of the present invention is a punched blank stacking method characterized by comprising: a step of stacking a plurality of blocks placed on the table into a pallet.

(Examples) The present invention will be described below with reference to examples shown in the drawings.

The drawings show an embodiment in which the stacking method of the present invention is specifically implemented as a device.

Fig. 1 is a plan view of the entire device, and Fig. 2 is a plan view of the entire device.
A schematic side view when viewed from the direction of arrow A in Fig. 1,
FIG. 3 is a schematic front view when viewed from the direction of arrow B in FIG.

A punching blank 3 is placed in the output section of the printing punching machine 1.
A discharge conveyor 5 for discharging in the direction of arrow C is provided in series. A rocking plate 7 is installed above the discharge conveyor 5 and moves linearly in a reciprocating direction in a direction D perpendicular to the moving direction C of the discharge conveyor 5 in order to align the punched blanks 3. A stacker device 9 for stacking the punched blanks 3 is connected to the discharge conveyor 5. This stacker device 9 is erected perpendicularly to the advancing direction of the punched blanks 3 in order to block the punched blanks 3 sent out from the discharge conveyor 5 and stack them upward. A rocking plate 13 for aligning the blocking plate 11 that moves upward when stacked and the punched blanks 3
and a conveyor 15 for transporting the stacked punched blanks 3.

The conveyor 15 of the stacker device 9 is connected with a temporary receiving device 17 for temporarily storing the stacked punched blanks 3 and sending them out one by one. A receiving plate 19 for receiving the punched blanks 3, and a punched blank block 2 formed by stacking the punched blanks 3.
Conveyor 21 for sending out 0 one block at a time
It is composed of.

Next to the temporary receiving device 17 is a turntable device 2 for rotating the blank block 20.
3, and a handling device 25 for transferring the rotated block 20 onto a table 39 of a pallet loading device 37, which will be described later.

In general, the punching pattern when punching a long web 27 into individual punching blanks 3 using a printing punching machine is as shown in the fourth diagram, in which a large number of blanks 3 are efficiently punched out from the web 27 by minimizing wasted paper. It has become a pattern. On the other hand, the stacked pattern, i.e. the punched blanks 3 on the pallet.
As shown in Figure 5, the pattern for arranging the blanks 3 is such that a large amount of blanks 3 can be stacked on a rectangular pallet 29 with a high area utilization rate, and is different from the above-mentioned punching patterns. There is.

Therefore, the punching blank 3 of the temporary receiving device 17
It is necessary to rearrange the patterns using the turntable device 23 and the handling device 25.

The turntable device 23 includes a loading section 31, an actuator 33 for raising or lowering the loading section 31, and the actuator 33 and the loading section 3.
For example, it is possible to use "Grit Turn" (manufactured by Okura Yusoki Co., Ltd.).

The handling device 25 is for transporting the punched blank block 20 rotated by the turntable device 23 onto a table 39 of a pallet loading device 37 that is installed next. (manufactured by S.A.) can be used.

The pallet loading device 37 is composed of a table 39 and shutter plates 41, 43, 45,
For example, "Paper discharge stacker" (manufactured by Kyodo Seiki Kosakusho Co., Ltd.)
can be used. Table 39 has support 47
It moves in the vertical direction along the arm 49, and moves in the left-right direction along the arm 49. Also, shutter plate 4
1, 43, 45 are support columns 4 independent of the table 39.
7 in the vertical direction, and along the arm 51 in the horizontal direction.

Next, the operation of the apparatus for stacking punched blanks constructed as described above on a pallet will be explained.

The punched blanks 3 printed and punched by the printing and punching machine 1 are discharged in the direction C by the discharge conveyor 5 as shown in FIGS. be aligned to.

In the stacker device 9, the punched blanks 3 are stacked upward by a blocking plate 11 vertically pressed against a conveyor 15 by an air cylinder or the like, and aligned by a swing plate 13.

The punched blanks 3 are stacked at a certain height,
Once the block 20 of the punched blank 3 is formed, the blocking plate 11 moves upward and then the conveyor 1
5 is activated to discharge the punching blank 3 in the E direction.

In the temporary receiving device 17, after receiving the plurality of blocks 20 of the punched blank 3 by the receiving plate 19, the receiving plate 19 is moved back in the F direction, and the conveyor 21 is operated intermittently to transfer the blocks 20 one block at a time to the turntable. It is sent to the device 23.

In the turntable device 23, the block 20 of the punched blank 3 is placed on the loading section 31, lifted upward by the actuator 33, and then rotated in a predetermined direction. The blocks 20 are held by the handling device 25 and conveyed onto the table 39 of the pallet loading device 37, and a pattern is assembled in which the blocks 20 are rearranged into the same pattern as arranged on the pallet.

Although it is rare, there are cases in which the punching pattern and the stacking pattern are the same, and it is not necessary to rotate and rearrange the punched blanks. In this case, the punched blank 3 is continuously fed out from the temporary receiving device 17 onto the turntable device 23, and the punched blank 3 is continuously fed out onto the turntable device 23 without being rotated.
5, the table 39 of the next pallet loading device 37
Arrange them on top.

In the pallet loading device 37, as shown in the third diagram,
When the table 39 is lowered in the G direction according to the height of the punched blanks 3 already stacked on the pallet 29, and then further moved in the H direction and positioned above the pallet 29, as shown in FIG. Shutter plates 41, 43, 45 are lowered. Next, as shown in Figure 7, when the table 39 moves in the I direction, the punched blanks 3 that have been patterned on the table 39 are sequentially stacked on top of the punched blanks 3 that have already been stacked on the pallet. . Thereafter, the table 39 returns to its original position as shown in the third figure.

By repeating the above operations, a punching blank 3 created by the printing and punching machine 1 is obtained.
are stacked on the pallet 29.

In addition, when actually implementing the method of stacking punched blanks according to the present invention into an apparatus, it is not limited to the apparatus used in the above embodiment, but any apparatus that performs similar operations may be used. equipment can also be used.

(Effect of the invention) As described above, according to the stacking method of the present invention,
Blanks for assembling paper boxes are punched in multiple rows from a long roll of paper, and the discharged blanks are stacked to form multiple blocks.Then, after being temporarily stocked, the blocks are patterned into a pattern that utilizes the area of the pallet. Since the process of assembling and automatically stacking on the pallet can be performed continuously, the blanks for assembling paper boxes, which have complex shapes, can be automatically and efficiently transferred from the printing die-cutting machine onto the pallet. Pallets can be stacked with high utilization of pallet area.

[Brief explanation of drawings]

The figures show an embodiment of an apparatus for carrying out the stacking method of the present invention, in which Fig. 1 is an overall plan view of the apparatus, and Fig. 2 is a side view when viewed from the direction of arrow A in Fig. 1. Schematic diagram; Figure 3 is a schematic front view when viewed from the direction of arrow B in Figure 1; Figure 4 is a plan view of main parts showing the punching pattern of the web; Figure 5 is a diagram of punched blanks stacked on a pallet. 6 and 7 are front views for explaining the operation of the pallet loading device. 1... Printing and punching machine, 3... Punching blank,
5... Discharge conveyor, 7, 13... Rocking plate, 9
... Statzker device, 11 ... Blocking plate, 1
5, 21... Conveyor, 17... Temporary receiving device,
19...Receiver plate, 23...Turntable device,
25...handling device, 29...pallet,
37...Pallet loading device.

Claims (1)

[Claims] 1. A process of punching out blanks for assembling paper boxes in multiple rows from a long paper roll using a printing and punching machine, and discharging the blanks from the printing and punching machine with the blanks arranged in multiple rows; A step of stacking each row to form a plurality of blocks, and a step of moving the stacked blocks of punched blanks from their stacking position to another position, temporarily storing them, and then feeding out the blocks one by one. The blocks of punched blanks sent out one by one are rotated in a desired direction, then conveyed onto the table of a pallet loading device and arranged in a desired pattern, and the blocks placed on the table are rotated in a desired direction. A method for stacking punched blanks characterized by comprising the steps of stacking them on a pallet.