JPS6366732B2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a device for feeding containers onto a blank sheet of a caser, which groups containers at high speed and feeds them onto a blank sheet that will become a box. It is something.

``Prior Art'' Conventionally, a container grouping device groups a plurality of consecutive rows of containers into a required number, and supplies the grouped required number of containers onto the bottom part of a blank sheet that will become a box. A caser is known in which the bottom portion of the sheet is lowered and the side wall portion of the blank sheet is relatively bent upward to form a box for storing grouped containers.

As a container feeding device for blank sheets used in this type of caser, there is a stopper member that stops the leading containers that are continuously conveyed in multiple rows by a conveyor, and a stopper member that stops the containers that are stopped by this stopper member. a push-out member that is inserted into the back side of the container at the rear of the plurality of sheets, and when the stopper member retreats, the containers are advanced at a faster speed than the conveyor to perform grouping and supply the containers onto the bottom portion of the blank sheet; be.

``Problems to be Solved by the Invention'' However, if a container grouping device with such a configuration is used to increase the speed, there is a large risk that the containers will fall over or become misaligned when the extrusion member rapidly pushes out the containers and stops. It had the disadvantage of becoming.

"Means for Solving the Problems" In view of such circumstances, the present invention includes a conveyor for conveying containers, a stopper member for stopping the containers conveyed by the conveyor, and a stopper member for stopping the containers by contacting the stopper member. a pushing member, which is positioned on the back of the container a required number of containers behind the conveyor, and advances the container to a supply position in front of the conveyor at a higher speed when the stopper member releases the stopper member; a supporting member that supports the front surface of the container and moves forward as the pushing member moves forward; a lifting table that is movably provided at the feeding position and on which the blank sheet is fed and placed; A top pusher is provided to push down the container supplied onto the blank sheet together with the blank sheet and a lifting table, and a bending member that bends a required portion of the blank sheet upward when the blank sheet is pushed down. It is something.

"Operation" As in the above configuration, if a support member is provided that operates in synchronization with the extrusion member to support the first container, this support member and the extrusion member support the front and rear of the grouped containers. The container can be pushed out and stopped at the same time, and therefore, it is possible to effectively prevent overturning and displacement even during high-speed operation.

"Example" The present invention will be described below with reference to the illustrated example.
In FIGS. 1a and 1b, a conveyor 1 continuously conveys a large number of containers 2. A pair of guide members 3 are provided on both sides of the conveyor 1, and a pair of guide members 3 are provided at the tip of the conveyor 1. A plurality of guide members 4 are provided between them for arranging the containers 2 in a plurality of rows.

In front of the conveyor 1, there is provided a span plate 5 for supporting and guiding the bottom surface of the container 2. A stopper member 6, which will be described in detail later, is disposed at the front end of the span plate 5. gangboard 5
It is possible to stop the container 2 at the top that has been pushed upward.

A bottom portion 7a of a blank sheet 7 serving as a box is positioned in front of the gangplank 5.
The blank sheet 7 is supplied while being guided by a pair of left and right guide members 8 and a folding support member 9 from a direction perpendicular to the paper plane of FIG. 1a. The bottom portion 7a of the blank sheet 7 has a size that can accommodate the required number of grouped containers 2, and the pair of guide members 3
At the position of the bottom portion 7a, the interval is a dimension obtained by subtracting the dimension in the same direction of the guide member 4, and corresponds to the dimension in the same direction of the bottom portion 7a.

Slide rails 10 are disposed along the conveyor 1 on both sides of the front portion of the conveyor 1, and a movable frame 11 is provided on the slide rails 10 so as to be reciprocatable. The movable frame 11 is reciprocated via a link member 12 by a drive source (not shown). A support member 13 is fixed to the movable frame 11, which comes into contact with the container 2 in the front row that is stopped by the stopper member 6 when the movable frame 11 reaches the rearward end. A comb-like extrusion member 14 is provided to be inserted into the back surface of the containers in the fifth row from the container 2 in the front row. This pushing member 14 is movable up and down on the movable frame 11 by a cylinder device 15, and as shown in FIG. I have to.

Next, the stopper member 6 is attached to a top pusher 20 that pushes down the container 2 supplied onto the bottom portion 7a of the blank sheet 7, and this top pusher 20 is raised and lowered by a cylinder device 21. There is. An elevating table 22 that supports the bottom portion 7a of the blank sheet is provided below the top pusher 20, and the elevating table 22 is lowered by a drive source (not shown) in response to the pushing down of the container 2 by the top pusher 20. It's summery.

In the above configuration, in the state shown in FIGS. 1a and 1b, the containers 2 are stopped by the stopper member 6, and a required number of containers 2 are held between the support member 13 and the pushing member 14. Further, at this time, the blank sheet 7 is being supplied to the illustrated position.

From this state, when the top pusher 20 is raised by the cylinder device 21, the braking of the container 2 by the stopper member 6 provided on the top pusher 20 is released. 14 continues, and the container 2 is now stopped at the stop position shown.

The top pusher 20 and the stopper member 6
When the moving frame 11 escapes upward, the movable frame 11 is advanced by a drive source (not shown) via the link member 12 at a speed faster than the transport speed of the conveyor 1, and as shown in FIGS. 2a and 2b, the support member 13 and the extrusion member A required number of containers 2 sandwiched between 14 containers are supplied onto the bottom portion 7a of the blank sheet 7 and stopped there.

At this time, a large acceleration is applied to the containers 2 to be grouped, but since the containers 2 are held between the support member 13 and the push-out member 14, there is no possibility that the containers 2 will topple over or shift from the bottom portion 7a and stop. There isn't. Further, a required distance L is provided between the stop position of the container by the stopper member 6 and the supply position on the bottom portion 7a, and for this purpose, the stopper member 6 is shaped like a comb (see Fig. 3b). ),
The push-out member 14 is allowed to move forward by the distance L above the stopper surface of the stopper member 6.

When the grouped containers 2 are stopped at the supply position, that is, on the bottom portion 7a, the top pusher 20 is lowered by the cylinder device 21, and the containers 2 are held between the top pusher 20 and the lifting table 22. Press down. As a result, the side wall portion 7 in the front and rear direction of the blank sheet 7
b is relatively bent upward by the guide member 8 and the bending support member 9 to form a box. At this time, the side wall portions 7c in the left and right direction can also be bent upward in the same manner.

The top pusher 20 then stops at a position where it does not come into contact with the upper surface of the support member 13, but the container 2 further descends to the lowering end position while riding on the lifting table 22, and after that, it Similarly, the blank sheet 7 containing the container 2 is advanced together with the container in the forward direction of the conveyor 1, and is formed into a complete box in the subsequent process.

When the container 2 is lowered by the top pusher 20, the container 2 is moved by the pushing member 14 and the supporting member 13.
The push-out member 14 is guided by a pair of guide members 3, but when the container 2 continues to descend and guidance is no longer necessary, the push-out member 14 is raised by the cylinder device 15 to an upper position where it does not come into contact with the container 2. is maintained. When the top of the container 2 on the lifting table 22 descends to a position lower than the lower end surface of the support member 13, the moving frame 11 starts to retreat, but since the push-out member 14 is located above as described above, the following The forward movement of the container 2 is not obstructed.

On the other hand, the top pusher 20 is located at the lower end, and in this state, the stopper member 6 integrated with the top pusher 20 is in the initial state shown in FIG. The braking action is released and conveyor 1
The container 2 is brought into contact with the container 2 being advanced by the container 2, and is stopped. In addition, during this time, the elevating table 22 rises to the rising end, and a new blank sheet 7 is supplied to the upper surface thereof.

When the moving frame 11 has completely retreated, the support member 13 is positioned in front of the first container 2 stopped by the stopper member 6, as shown in FIGS. 1a and 1b. Thereafter, the pushing member 14 is lowered by the cylinder device 15 and inserted into the gap between the containers in the fifth row and the containers in the sixth row, resulting in the above-mentioned initial state, and the same operation will be repeated thereafter. Become.

"Effects of the Invention" As described above, according to the present invention, the grouped containers can be advanced to the supply position, that is, to the predetermined position of the blank sheet, while being held between the extrusion member and the support member. Even during operation, overturning of the container and misalignment of the container at the supply position can be prevented, so that subsequent blank sheet forming can be performed smoothly. Further, when pushing down the container and the blank sheet, the pushing member and the support member can be used as guide members for the container, so that the pushing down operation can be performed smoothly.

[Brief explanation of drawings]

Figure 1a is a schematic side view showing one embodiment of the present invention, Figure 1b is a plan view of the main part of Figure 1a, and Figures 2a and 3a are in different states from Figure 1a. 2b and 3b are plan views of the same figure a, respectively. DESCRIPTION OF SYMBOLS 1... Conveyor, 2... Container, 6... Stopper member, 7... Blank sheet, 7a... Bottom part,
7b, 7c... Side wall portion, 8... Guide member (bending member), 9... Bending support member (bending member), 13
... Support member, 14 ... Extrusion member, 20 ... Top pusher, 22 ... Lifting table.

Claims (1)

[Claims] 1. A conveyor for conveying containers, a stopper member for stopping containers conveyed by this conveyor, and a stopper member located on the back side of the container a required number of times behind the container stopped by contacting this stopper member, a pushing member that advances the container to a supply position in front of the conveyor at a higher speed when the stop is released by the conveyor, and a support that supports the front surface of the container stopped by contacting the stopper member and moves forward in accordance with the advancement of the pushing member. a member, an elevating table that is movable up and down at the supply position and on which the blank sheet is supplied and placed, and a container that is fed onto the blank sheet by the advancement of the extrusion member, together with the blank sheet and the elevating table. 1. A container feeding device for caser blank sheets, comprising a top pusher for pushing down the blank sheet, and a bending member for bending a required portion of the blank sheet upward when the blank sheet is pushed down.