JP2748125B2 - Folding box boxing device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for packing a bundle of folded boxes (hereinafter referred to as a carton bundle) such as a milk carton bonded by a box making machine into a cardboard box. is there.

[Conventional technology]

Currently, the work of packing the folding boxes sent out from the box making machine is
Folding boxes that partially overlap and flow in a sashimi form from the delivery unit are manually collected and separated and boxed. This labor was hard work, and even when trying to increase production speed, this work became a bottleneck, and ultimately the capacity of the box making machine could not be used to the fullest.

As apparatuses for automatically performing the above-mentioned operations, JP-A-49-88268, "Method and Apparatus for Accommodating Fragments of Folded Carton in Carrier Box" and JP-A-50-42984, "Folding A method and an apparatus for packing a box are known.

[Problems to be solved by the invention]

The above-described apparatus has the following problems.

Since the device becomes large and the installation space becomes large, it is difficult to install the existing equipment.

It is difficult to automatically supply the partition paper and the box for storing the boxes due to the equipment configuration.
It is difficult to save labor in box packing work.

It is always difficult to accurately form a small bundle of a predetermined number of folding boxes.

If the small bundle (folding box bundle) is dropped together with the weight and the box is put into the box, the folding box may be damaged.

Since the folding box itself has elasticity, it is not always possible to form a certain number of small bundles within a certain width, so that the number of members becomes inaccurate.

The present applicant has filed applications for Japanese Patent Application No. 63-2817 "Method and Apparatus for Packing Folded Boxes" and Japanese Patent Application No. 63-53835 for "Method and Apparatus for Separating Folded Boxes". However, all the packaging operations have not yet been automated.

Therefore, the present invention is intended to constitute a single apparatus by adding a roll-over section, a transport section, a box supply / discharge section, and a partition sheet supply section to automate work.

[Means for solving the problem]

The present invention provides a box packing device for folding boxes, a counting / partitioning section for forming folding boxes flowing in a sashimi-like form from a delivery section of a box making machine into a precise predetermined number of small bundles, and a box. A wrapped sheet supply unit having a sheet folding mechanism for supplying a small bundle wrapped sheet on the gate plate at the top of the packing box and bending the small bundle into a U shape, conveys the small bundle of the folding box, and Pressing and holding in the overlapping direction, pushing into the U-shaped folded sheet on the gate plate at the top of the box for boxing, and regulating the front position of the small bundle of folding boxes by the front positioning guide, A small bundle conveying / positioning unit for nipping and positioning the small bundle of the folding box through both sides of the sheet folded in the U shape by the left and right positioning guide, the wrapping core folded in the U shape Wrapped in a letter-shaped sheet and left and right A small box bundle of the folding boxes nipped by the placement guide for opening a box by opening a gate plate at the top of the box for packing; The folding box to be conveyed is formed into a precise predetermined number of small bundles, and the work is automatically packed in a box for packing while being wrapped with a U-shaped partition paper (sheet). It is possible to do that.

[Action]

According to the present invention, the folding boxes conveyed from the delivery unit of the box making machine are formed into a precise predetermined number of small bundles in the counting / partitioning unit, and the small bundles are placed on the gate plate at the upper part of the box for packing. After the wrapping sheet is supplied and the small bundle is wrapped in a U-shaped partition paper (sheet) by a partition paper supply unit having a sheet folding mechanism for folding the wrapped sheet into a U-shape,
The work of packing this into a box for packing can be automatically performed.

〔Example〕

 An embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a plan view showing the overall configuration of a folding box packing apparatus according to the present invention, FIG. 2 is a left side view of FIG. 1, and FIG.
FIG. 4 is a detailed plan view of the boxed portion shown in FIG.
FIG. 5 is a sectional view taken along line BB of FIG. 5, FIG. 6 is an explanatory view showing a process of folding the wrapping sheet and placing a small bundle of folding boxes thereon, and FIG. FIG. 8 is an explanatory view showing a step of pushing out a bundle to place the bundle, FIG. 8 is an explanatory view showing a step of transferring a small bundle of folding boxes into a transfer box, and FIGS. 9 (a) to (f).
FIG. 4 is a perspective view showing a use state of the wrapping sheet in a folding box small bundle box.

 First, the configuration of the entire apparatus will be described with reference to FIG.

The folding box 1 created by the box making machine is transported on the delivery conveyor 2 of the box making machine in a state of being sashimi-shaped,
In the rollover section 3, the folding box (carton) 1 is turned by 90 ° by moving the carton along the circumferential direction of the turntable 4, and the flow is compressed so that the carton stands up. It is sent to the count / partition unit 5.

In the counting / partitioning section 5, a predetermined number of cartons 1 are counted by the counting sensor 7 while the flowing carton 1 is received by the front skewer of the partitioning device 60, and when the number reaches the predetermined number, the cartons 1 are separated by the partitioning skewer. At the recounting position 8, the recounting is performed again by the recounting sensor 9, and if there is an excess or deficiency, it is corrected by the next replenishing device 10, and the correctly sorted carton bundle is transferred to the position of the box receiving portion 13 by the transfer device 11 and the pusher 12. . (Note that the detailed configuration of the counting and partitioning unit 5 is as follows.
It is described in Japanese Patent Application No. 63-53835, which has already been filed. In the box holder 13, as shown in FIG. 3 to FIG. 8, the carton bundle transferred onto the gate plates 14, 14 of the box holder 13 by the pusher 12 as shown in FIG. The gate plate is opened in the cardboard box 15 located at the lower part of the cardboard box 15 to be dropped and stored. (This configuration is described in Japanese Patent Application No. 63-2817 already filed,
Since it is almost the same except for the automatic wrapping sheet feeding mechanism, the outline of the boxing mechanism will be described only briefly. That is, in the box holder 13, the carton bundle and the wrapping sheet 18 set on the gate plate 14 by the transporting unit 16 and the wrapping sheet (partition paper, U-shaped corrugated cardboard) supply unit 17 are supplied to the box supply device 19. The boxes 15 for boxing of the supplied corrugated cardboard or the like are boxed in the following order.

As shown in FIG. 3, the carton bundle is sent to the position of the pusher 12 by the transfer device 11. Gate plate of box compartment 13
On the wrapping sheet 14, a wrapping sheet 18 is conveyed from a wrapping sheet supply device 17 by a vacuum pad 20 by entering and exiting a cylinder mechanism, and is supported by carton bundle left and right positioning guides 21, 21 as shown in FIGS. The U-shaped folding plates 22 and 22 press and fold the fold positions from above, and in this state, the carton bundle is
As shown in the figure, the sheet is pushed onto the wrapping sheet 18 which is bent in a U-shape on the gate plate 14 located slightly below. The front position of the carton bundle is regulated by the front positioning guide 23. Note that the wrapping sheet 18 does not necessarily need to be bent exactly in a U-shape, as long as the wrapping sheet 18 can be dropped into the box 15 placed under the gate plate while wrapping the carton bundle.

Also, as shown in FIGS. 7 and 8,
The carton bundle from the transport device 11 is held at the position of the pusher 12 by the carton bundle transport plate 24, and one side of the edge is sandwiched between the pressing plates 12 a provided on the left and right sides of the pusher 12, and both sides of the front edge are the same. Is transported by the pusher 12 onto the gate plate of the box holder 13 while being held by the carton bundle guide 25.

Push out the carton bundle left and right positioning guides 21 and 21,
The carton bundle is nipped through the left and right sides of the U-shaped folded wrapping sheet 18 wrapping the carton bundle, and the left and right positioning of the carton bundle is performed.

The gate plates 14 and 14 are simultaneously opened left and right, and the carton bundle is wrapped with a wrapping sheet (partitioning paper) 18 and freely dropped, and is dropped into a box 15 for packing placed below.

The box positioning / vibrating plate and the vibrating plate are alternately rotated several times to strike the box for packing and align the carton bundle.

The above operation is repeated to pack boxes for the predetermined number of levels.

Next, a description will be given of a supply / discharge device for a box for packing.
As shown in the drawing and FIG. 2, the roller conveyor 26, the lifter
26, a belt conveyor 28 is used to put a box 15 made of cardboard or the like for boxing into a gate
Is supplied and positioned below the box, and the box in which the box has been filled is similarly moved from the box holder to the belt conveyor 28, the lifter 27,
It is configured to discharge through the roller conveyor 26 and carry it to the next process.

When the carton bundle is set in several rows, the partition 29 is used to separate the bundles, or the top plate is placed on the top of the box when the boxing is completed. The apparatus can handle such cases. In FIG. 1, reference numeral 30 denotes a partition supply device;
Is a top plate supply device, and the partition supply device is shown in FIGS.
As shown in FIGS. (C) and (e), when the carton bundle is in multiple rows, after the front bundle is set and before the rear bundle is set on the gate plate, the partition supply air cylinder and the suction cylinder are sucked. The pad is used to supply and set the partition 29 between the bundles by the pad, and the top plate supply device temporarily stops the discharged boxes after the box insertion on the discharge roller conveyor,
The top plate is supplied and set on the carton bundle.

〔The invention's effect〕

According to the present invention, the wrapping sheet serving to wrap the carton bundle (folding box bundle) is automatically bent into a U-shape from a flat state and supplied to the box storage portion, and the folding box is folded by the front positioning guide. While restricting the front position of the small bundle, the small bundle of the folding box is nipped and positioned via both sides of the sheet folded in the U-shape by the left and right positioning guides, and the box for packing in that state. By opening the upper gate plate, the carton bundle is freely wrapped with the sheet folded in a U-shape, and the carton bundle is freely dropped, and is packed in a box for boxing which is located at the bottom. Therefore, guide the folding box bundle so that both sides of the U-shaped folded sheet slide into the box fixed below, and put the carton bundle in the box without damaging the folding box bundle and the packing box. Becomes possible Also, Now that you can box put in a state of wrapped carton bundles without the need for manual labor, it became a work from the box manufacturing to packing for perform unattended. In addition, even if the production speed of the box making machine is increased, it can be easily handled.

Furthermore, since no manual operation is required at the time of packing, the hygiene is effective.

In addition, when the carton bundle is placed in several rows on the wrapping sheet, it can be dealt with only by changing the number of times of pushing by the pusher, and it is also possible to easily cope with the case where several cartons are put in one box. .

[Brief description of the drawings]

FIG. 1 is a plan view showing the entire configuration of a folding box packing device according to the present invention, FIG. 2 is a left side view of FIG. 1, and FIG. 3 is a detailed plan view of a box box shown in FIG. , FIG. 4 is A- of FIG.
A sectional view, FIG. 5 is a sectional view taken along the line BB, FIG. 6 is an explanatory view showing a process of folding a wrapping sheet and placing a small bundle of folding boxes thereon, and FIG. FIG. 8 is an explanatory view showing a step of pushing out a stack of folding boxes, FIG. 8 is an explanatory view showing a step of transferring a small bundle of folding boxes into a transfer box, and FIG. 9 is a view showing a use state of the wrapping sheet in the small box of the folding box. It is a perspective view. 1 ... folding box (carton), 2 ... delivery conveyor, 3 ... rollover section, 4 ... rotary table, 5 ... count / partition section, 6 ... partitioning device, 8 ... recount position, 10 …… Replenishment device, 11… Conveying device, 12… Pusher, 13 …… Boxing part, 14 …… Gate plate, 15 …… Packing box, 17 …… Wrapping sheet supply section, 18 …… Wrapping sheet , 19… Box feeding device, 20… Vacuum pad, 21… Left and right positioning guide, 22… U-shaped folding plate, 25… Carton bundle guide, 26… Roller conveyor, 27… Lifter, 28… …belt conveyor.

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-50-41673 (JP, A) JP-A-60-2405 (JP, A) JP-A 63-110420 (JP, U) 20923 (JP, B2)

Claims (3)

(57) [Claims] 1. A counting / partitioning unit for forming folding boxes, which are sashimi-shaped from a delivery unit of a box making machine and flow into an accurate predetermined number of small bundles, on a gate plate above a box for boxing. A wrapping sheet supply unit provided with a sheet folding mechanism for supplying a small bundle wrapped sheet to the U-shape and folding the folded small sheet into a U-shape. And push it onto the U-shaped folded sheet on the gate plate at the top of the box for packing and regulate the front position of the small bundle of folding boxes by the front positioning guide,
A small bundle conveying / positioning unit for nipping and positioning the small bundle of the folding box through both sides of the sheet folded in the U shape by the left and right positioning guide, the wrapping core folded in the U shape A box unit for storing a small bundle of the folding boxes wrapped in a letter-shaped sheet and nipped by the left and right positioning guides by opening a gate plate above the packing box. Box packing equipment. 2. The folding box is turned between a delivery section and a count / partition section of a box making machine, and the flow interval is compressed so that the folded box stands upright. 2. The folding box packing device according to claim 1, further comprising a rollover portion. 3. A box supply / discharge unit comprising a line for supplying and positioning a box for packing at a predetermined position below a gate of a box container, and a line for discharging a box packed. 1
Item 8. A box packing device for a folding box according to the item.