JPH0298503A - Method and apparatus for boxing folding case - Google Patents

Abstract

PURPOSE:To permit various boxing operations without suffering an impairment to the bundle of folding case blanks or a corrugated cardboard box for packing such bundle by slowly lowering the bundle mounted on a sheet of partition paper with each end thereof gripped by gripping catches toward the opening of the corrugated cardboard box. CONSTITUTION:After a sheet of partition paper 6 is fed and held between opposite gripping catches 7 of a partition paper gripping device 8 provided above each end of a corrugated cardboard box 2 carried to a predetermined position by a conveyor belt 4, a bundle of folding case blanks 13 is guided by a guide 14 to be placed on the partition paper 6. The opposite gripping catches 7 are then moved against each other by opposite cylinders 9, thereby bending the partition paper 6 at the edges of the bottom surface of the bundle 13 to allow the bundle 13 as-mounted thereon to be lowered toward the opening of the box 2. When the lower surface of the partition paper 6 is entered into the box 2 slightly below the opening thereof, the opposite catches 7 are released to permit the boxing of the bundle 13 partly covered with the partition paper 6.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method and apparatus for packaging a bundle of folded boxes such as bonded milk cartons (hereinafter referred to as a folded box bundle) into a cardboard box.

[Conventional technology]

A device for automatically packing bundles of folded boxes manufactured and transferred from a box making machine is disclosed in Japanese Patent Application Laid-Open No. 49-882.
68, JP-A-49-42487, JP-A-50-4298
The method described in Publication No. 4 is known, but currently, in most cases, the folding boxes that flow from the delivery department in the form of slivers are manually collected, separated, and packed into boxes. It is.

[Problem to be solved by the invention]

Devices that are known to automatically pack bundles of folded boxes are large-scale, require a large installation space, and are complex, making it difficult to install them in existing equipment. It is not used very often due to the difficulty, and if you try to assemble, separate, and box it manually, this labor is hard work, and this work becomes a bottleneck even if you try to increase production speed. , the capacity of the box making machine could not be utilized to its full potential.

[Means to solve the problem]

The present invention transports and positions a separated bundle of folded boxes on partition paper whose both ends are held by clamps in advance, and when one stage of boxing is set, the left and right clamps are pushed out by actuators to bring them closer together. By this,
The lower part of the bundle of folded boxes is placed on the partition paper and is inserted downward into the packaging box positioned below.Then, when the left and right clamps are opened at the same time and the partition paper is released, the inner surface of the box The bundle of folded boxes and partition paper fall along the line and are packed into boxes.

In addition, by first deeply clamping the left and right sides of the partition paper and then gradually loosening the grip to cause slippage at the clamped parts, the lower part of the bundle of folded boxes is placed on the partition paper as in the previous case. It is also possible to pack the product by lowering it and inserting it into a packaging box positioned below.

[Effect]

According to the present invention, after the separated bundle of folded boxes is conveyed onto the partition paper whose both ends are held with clamps in advance, the left and right ends of the partition paper are moved in a direction toward each other. Due to the weight of the bundle of folded boxes placed on the partition paper, the lower part of the bundle of folded boxes is inserted downward into the packaging box positioned below while remaining on the partition paper. When the grips on both ends of the partition paper are released, the bundle of folded boxes is wrapped from the front and back by the partition paper and is stored in the packaging box.

〔Example〕

Embodiments of the invention will be described with reference to the drawings.

FIG. 1 is a plan view of a folding box packaging device according to the present invention, and FIG.
The figure is a cross-sectional view taken along line A-A in Figure 1, and figure 3 is a cross-sectional view taken along line B-B in Figure 1.
Fig. 4 shows the partition paper supply device, (,) is a plan view, (b) is a front view, (c) is a side view, Fig. 5 is an explanatory diagram of the operation of the partition paper supply device, and Fig. 6 FIG. 2 is an explanatory diagram of the working process of the packaging device according to the present invention.

1 to 3, a packaging box (cardboard box) 2 is conveyed to the lower part of a packaging device 1 and positioned at a predetermined position by a positioning plate 3 (which can be retracted and retracted). A belt conveyor 4 is provided to stop the belt conveyor 4, and at the top thereof, a partition paper supply device 5 and a gripping device 8 equipped with gripping claws 7 for gripping both left and right ends of the partition paper 6 supplied from the partition paper supply device 5 are provided. ing. In addition, the code|symbol 4a is a guide for the cardboard box 2.

This partition paper gripping device 8 is located at the top of the cardboard box 2, and gripping claws 7 movable by cylinders 9 are provided on both left and right sides thereof.

As shown in FIGS. 4 and 5, the partition paper supply device 5
A storage section 10 that stores partition papers 6 and a vacuum pad 12 attached to the tip of a cylinder lla that is movable up and down from the bottom surface of the storage section 10 suck the partition papers 6 one by one, and supply them to the gripping claws 7 by a cylinder llb. It is composed of a transfer section 11. Note that 10a is a gate, and 10b is a partition paper guide.

The bundle of folded boxes 13, which has been transported by the box making machine and separated into a predetermined number of sheets, is gripped at its left and right ends by the gripping claws 7 of the gripping device 8, as shown in FIG. The paper is conveyed and positioned along the guide 14 on the partition paper 6 kept in a horizontal state. As an example of the conveyance device, the one used in the previously filed Japanese Patent Application No. 191604/1983 entitled ``Folding Box Packing Apparatus'' may be used.

Next, the operation of the device according to the present invention will be explained.

FIG. 5 shows the process of supplying the partition paper 6, and FIG. 6 shows the process of putting the bundle of folded boxes 13 into boxes. As shown in FIG. The pad 12 adsorbs the bottom partition paper 6 from the lower surface gap 10c of the partition paper storage section 10, and from the lower end of the gate 10a, two gripping claws 7.7 in the released state are attached to the left and right by the action of the cylinder llb. Move the partition paper 6 in between,
After the gripping claws grip both ends of the partition paper 6 using 7,
Release the suction by the vacuum pad 11 and press the cylinder ll.
a. Bow the llb back to the starting position.

That is, as shown in FIG. 6 (■), the gripping claws 7 in the released state of the partition paper gripping devices 8 provided on the upper left and right sides of the cardboard 2 that has been conveyed to a predetermined position by the conveyor belt 4 are After the partition paper 6 is transferred and held, the bundle of folded boxes 13 is guided by the guide 14 and placed on the partition paper 6 as shown in (2).

Next, when the left and right gripping claws 7.7 are moved toward each other by the cylinder 9.9, the partition paper 6 is folded at the front and rear lower ends of the bundle of folded boxes 13, as shown in ■ and ■, and the partition paper 6 is folded. The folded box bundle 13 is placed on the paper 6 and the cardboard 2
descend towards the opening. When the lower end of the partition paper 6 is about to enter the opening of the cardboard 2, the left and right gripping claws 7.
When the grip by 7 is released, the bundle of folded boxes 13 is partially wrapped with the partition paper 6 and packed into boxes, as shown in (1) and (2). Therefore, the same operations are repeated as shown in ■～ to carry out the packing operation. In addition, if the packing work is only for one bundle of folded boxes, you only need to perform the steps shown in ■~■, but if you want to pack multiple tiers of boxes, you can repeat the same steps. good.

In the above embodiment, the gripping claws 7 are displaced from the left and right, but packaging can be performed in the same way even if one of the gripping claws is fixed without being displaced and only the other gripping claw is moved. is possible.

Furthermore, as a modified embodiment, the gripping claws 7, 7 grip the partition paper 6 not at the edge but at a deeper part, and the gripping force is gradually reduced without displacing the gripping claws to separate the partitions. By creating slippage between the paper 6 and the gripping claws 7, the folded box bundle 13 placed on the partition paper 6 can be lowered toward the opening of the cardboard 2. .

〔Effect of the invention〕

According to the present invention, the folded box bundle 13 placed on the partition paper 6 whose both ends are gripped by the gripping claws is moved between the corrugated cardboard 2
Since the packing operation is performed by gradually lowering the box toward the opening of the box, the packing operation can be carried out reliably without damaging the bundle of folded boxes or the cardboard boxes. With this configuration, it is possible to carry out various boxing operations, and it is possible to improve the efficiency of the boxing operations and, therefore, the production speed of the box-forming machine.

[Brief explanation of drawings]

FIG. 1 is a plan view of a folding box packaging device according to the present invention, and FIG.
The figure is a cross-sectional view taken along line A-A in Figure 1, and figure 3 is a cross-sectional view taken along line B-B in Figure 1.
4 shows the partition paper supply device, (a) is a plan view, (b) is a front view, (C) is a side view, FIG. 5 is an explanatory diagram of the operation of the partition paper supply device, and FIG. 6 FIG. 2 is an explanatory diagram of the working process of the packaging device according to the present invention. 1... Packing device, 2... Cardboard box,
3... Positioning plate, 4... Belt conveyor, 5... Partition paper supply device, 6... Partition paper, 7... Gripping claw, 8... Gripping device,
9...Cylinder, lO...Paper storage section, 11...Transfer section, lla, llb
...Cylinder, 12...Vacuum pad, 1
3...Folding box bundle, 14...Guide.

Claims (5)

[Claims] (1) After positioning the wrapping paper on the top of the packaging box while gripping the left and right sides, place the divided bundle of folding boxes on the partition paper, and move the left and right grips toward each other. By moving, the lower side of the bundle of folded boxes is lowered toward the packaging box while being supported by the partition paper, and then the right and left grips are released and the bundle of folded boxes is inserted into the packaging box. A method for packaging a folding box, characterized by: (2) After placing the partition paper on the top of the cartoning box with the left and right sides deeply gripped, place the divided bundle of folded boxes on the partition paper, and gradually increase the gripping force of the left and right gripping parts. By causing slippage between the gripping part and the partition paper and letting out the partition paper, the lower side of the bundle of folded boxes is lowered toward the packaging box while being supported by the partition paper. A folding box packaging method characterized in that the folding box bundle is inserted into a packaging box by releasing the left and right grips. (3) A gripping mechanism that can grip and release the left and right sides of the partition paper provided at the top of the packaging box, making it accessible, and a bundle of folded boxes separated on the partition paper gripped on the left and right sides by the gripping mechanism. and a feeding mechanism for feeding the folded box bundle, and displaces the left and right gripping parts of the partition paper on which the fed folded box bundle is placed in the direction of proximity to move the lower side of the folded box bundle into the inside of the packaging box. 1. A folding box packaging device, characterized in that said folding box packaging device is configured to release said right and left grips after being lowered and inserted into said folding box. (4) The folding box packing device according to claim 3, wherein only one of the left and right gripping portions of the partition paper is displaced toward the other gripping portion. (5) a gripping mechanism that deeply grips the left and right sides of the partition paper provided at the top of the packaging box and gradually reduces the gripping force to cause slippage between the partition paper and the partition paper;
a feeding mechanism that feeds a bundle of folded boxes separated on the partition paper gripped on the left and right sides by the gripping mechanism; The present invention is characterized in that the left and right grips are released after gradually weakening the gripping force to let out the partition paper from the both side grips and lowering and inserting the lower side of the bundle of folded boxes into the inside of the packaging box. Packing equipment for folding boxes.