JPH0747300Y2 - Storage case for three-dimensional warehouse - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a warehouse (a rack) for storing a large amount of small products until shipment or a shelf (rack) of a three-dimensional warehouse for temporary storage in the distribution process of products. The present invention relates to a cardboard box for accumulating and storing products.

[Conventional Technology and Problems] As is well known, a multi-storey warehouse includes shelves (rack) provided in multiple stages and multiple rows in the warehouse, and a dedicated handling device (stacker crane, etc.) for taking products in and out of the intended shelves. Is a three-dimensional warehouse for storing products in high density, and is used as a product shipping warehouse of a factory, a product management warehouse, or a product storage warehouse such as a distribution center. Generally, in order to improve the storage efficiency, the rack structure of such a three-dimensional warehouse is designed with the width, depth, and height of the rack in anticipation of stacking products of the same size and shape in multiple stages and rows. There is. Further, the product handling device is also designed with high precision so that it can be operated stably and speedily in the three-dimensional warehouse. Most of these devices have a mechanism that is automatically controlled and operated by computer control, and products are stored and paid out automatically.

By the way, in the field of clothing, for example, clothing manufactured in factories is usually stored in case units of different sizes such as brand, size, etc. They are individually stored in a rack in the 3D warehouse. When there is an order request from each store, etc., it is operated to take out the case containing the product of the type corresponding to the order from the target rack in the warehouse and send it out to the delivery conveyor. . In this case, the case containing the product may move up and down or left and right between the rack structures provided in multiple stages and multiple rows, so the side surface of the case may bend due to the impact during running and the weight of the product. When dimensional deformation such as bulging of the body occurs, detection failure of various sensors may occur, or traveling may be stopped due to collision with a transport device or the like, resulting in a problem that smooth delivery from the rack cannot be performed. In particular, when the case containing the product is taken out or the storage speed is fast, the impact applied when the case stops traveling is quite large, so that problems due to dimensional deformation of the case are likely to occur.

Therefore, this type of storage case for a three-dimensional warehouse is required to have higher dimensional stability than a simple packaging container.

Conventionally, such a problem of dimensional stability can be solved when a container made of a highly rigid material such as plastic is used, but it is not solved by a box made of a flexible material such as a cardboard box. It was

[Object of the Invention] The present invention has been made to solve such a problem, and its object is to propose a cardboard box suitable for accumulating and storing products on a rack (rack) of a three-dimensional warehouse. SUMMARY OF THE INVENTION An object of the present invention is to provide a prefabricated corrugated cardboard box having a simple structure but having the same strength on four sides of the box and a means for preventing deformation of the four sides and the bottom.

[Means for Solving the Problems] The present invention made in order to achieve the above-mentioned object is to provide a case body having an open upper surface and a case body having a height smaller than the height of the case body. It consists of an upper lid that fits on the outer periphery of the upper part and allows the upper surface of the case body to open and close freely.The case body is made of die-cut corrugated cardboard, and folds are formed in a direction that intersects obliquely with the flute direction of the corrugated board sheet. Centered around a rectangular bottom plate applied to the center of the sheet, the front and rear, left and right outer plates and inner plates are sequentially connected to the four sides of the bottom plate, and the front end of the inner plate is connected to each of the superposed plates, which are adjacent to each other. Inner flaps are respectively formed between the ends of the outer plates, and locking pieces protruding from the inner plates are provided at the connecting portions between the inner plates and the overlapping plate, and four locking plates are provided on the four circumferences of the bottom plate. Locking groove husband Lock means for locking both of the inner and outer side plates and the inner flap to each other, and the four inner flaps are folded at right angles to the bottom plate inside the inner and outer side plates. Along with the arrangement, the locking pieces protruding from the inner plate are inserted into the locking grooves on the four circumferences of the bottom plate, and the overlapping plate is positioned so as to overlap the bottom plate, and the inner and outer plates and the inner flap are locked by the locking means. A storage case for a three-dimensional warehouse characterized in that they are locked together to form a box.

[Embodiment] Next, an embodiment of the present invention will be described in detail.

As shown in FIG. 1, the storage case for a three-dimensional warehouse of the present invention is formed with a case body A having an open upper surface and a height smaller than the height of the case body, and is fitted to the outer periphery of the upper part of the case body. And an upper lid B that opens and closes the upper surface of the case body.

The case body A is formed by using a corrugated cardboard sheet that is die-cut into a substantially square shape (see FIG. 2).
A rectangular bottom plate 1 is defined by folds 2 and 3 which are orthogonal to each other in the center of the sheet. The folds 2 and 3 in this case intersect at an angle of 45 degrees with respect to the direction of the flute of the corrugated core of the corrugated cardboard sheet (the direction of the flute is shown by the arrow XX on the bottom plate of FIG. 2). Engrave. Then, four outer plates 4 and four inner plates 5 are sequentially connected to the four front, rear, left and right sides of the bottom plate 1 through connecting folds 6 and 7 parallel to the folds 2 and 3. A fold plate 9 is formed on the tip of the inner plate 5 so as to form a fold 9.
Connect through. Since the bottom plate 1 is formed in an oblique state with respect to the flute direction of the corrugated cardboard sheet in which the bottom plate 1 is die-cut in a square shape, it is provided in a triangular shape so as to project from the end of the inner plate 5.

A locking piece 11 protruding from the inner plate toward the overlapping plate is formed by a U-shaped cutout 12 at a portion of the connecting fold 9 between the inner plate 5 and the overlapping plate 8. A locking groove 13 into which the locking piece 11 is fitted when the case body A is assembled is formed along the four circumferences of the bottom plate 1, that is, along the folds 2 and 3, corresponding to the position of the locking piece 11. On the other hand, between the adjacent outer plates 4,
Form four inner flaps configured as follows.

That is, a pair of inner flaps 21 and 21 are provided on both ends of the front outer plate 4 via folds 20. Inside this flap 21,
21 has a shape in which the outside of its free end is chamfered 22 by notching in a fan shape. And these inner flaps 21 and 21 and the left and right outer plates 4
C-shaped notches 23 and 24 are provided near the respective ends of the notches at positions corresponding to each other, and at the same time, latching tongues 25 and 26 that can be folded inward of these notches are formed. Further, the inner flaps 27, 27 are also connected to the rear ends of the left and right outer plates via the folds 30. The upper flaps of the inner flaps 27, 27 are formed with locking pieces 28, 28 projecting outward from the inner flaps. Corresponding to this, on the upper end surface side of the rear outer plate 5, along the folds 7, A pair of locking grooves 29, 29 into which the locking pieces are inserted are formed.

In assembling the case main body A of the present embodiment configured as described above, first, the inner flaps 21, 21 are inserted through the folds 20.
The inner flap 27 through the creases 30,
Stand up 27 inside. Next, the folds 2 and 3 are folded to erect the four outer plates 4. Then, the inner plate 5 is replaced by the outer plate 4
Bend inward of the four inner flaps 21, 21, 27, 27
Are arranged so as to be sandwiched between the inner and outer both side plates 4, 5. At this time, the locking pieces 11 projecting from the inner plate 5 are inserted into the locking grooves 13 provided on the four circumferences of the bottom plate 1, and the triangular overlapping plate 8 connected to the inner plate 5 overlaps the bottom plate. Located in. Further, the locking pieces 28 projecting from the inner flaps 27 connected to the rear ends of the left and right outer plates are engaged with the locking grooves 29 provided on both sides of the upper end of the rear outer plate 5 to form the case body A (first (See Figure 3). At this time, the latching tongues 25 and 26 provided so as to correspond to the inner flap 21 and the left and right outer plates 4 are folded inside the notches 31 formed in the inner plate, and the left and right outer sides are inserted through the latching tongues. The plate and the inner flap 21 may be detachably fixed to each other.

The upper lid B can be formed using a corrugated cardboard sheet similar to the case main body A or other mount such as cardboard. First, a top plate 41 having a size corresponding to the bottom plate is sectioned and formed in the center of the mount, and four side plates 44, 45 having narrow widths are connected to the four sides via folds 42, 43. A narrow inner plate 46 is connected to the front and rear side plates 45 via connecting folds 47, and inner flaps 48 are connected to both ends of the left and right side plates 44 via folds 49. A notch 50 into which a locking piece described later is inserted is provided along the fold 48 from the side plate 45 of the top plate 41, and a locking piece 51 corresponding to the notch 50 is projected at the end edge of the inner side plate 46. Let In addition, a pair of locking grooves 52 are provided along the fold 47 which is a connecting portion of the side plate 45 and the inner plate 46, and a projection 53 into which the locking grooves are fitted is provided near the corner of the free end side of the inner flap 48. is there. By the way, reference numeral 60 is a through hole formed on the top plate of the upper lid, which serves as both a see-through hole for product identification and a breathing hole.

When assembling the upper lid B formed as described above, the inner flap 48 is erected inward through the folds 49, and then the side plate 4 is inserted.
4 and 45 are erected through the folds 42 and 43. Then, the inner flaps 48 are bent inward to insert the inner flaps 48 into the inner and outer boards. At this time, the locking piece 51 protruding from the inner plate 46 is engaged with the notch 50, and the projection 53 projected from the inner flap 48 is engaged with the locking groove 52 to form the upper lid B (first, (See Figure 5). This top is first
As shown in the figure, it is used by being fitted on the outer periphery of the upper part of the case body A so that the upper surface of the case body can be opened and closed.

The storage case for three-dimensional warehouses formed in this way stores a large number of products classified by brand, size, etc., and then packs them with tape bands etc. before shipping them to distribution points in various regions. However, when accumulating and storing in a rack in a three-dimensional warehouse such as a factory or a distribution center, the tape band or the like is removed, and each case is individually stored in a designated shelf. Then, as mentioned above, when there is an order request from each store, etc., the high-speed handling device by computer operation dispenses the case containing the product of the type corresponding to the order from the target rack in the warehouse,
It is operated to send this out to the delivery conveyor and take out the product.

The four side plates of the formed case body A have the same direction of the flute of the corrugated core of the corrugated cardboard sheet (diagonal 45
The four sides have the same strength because they are oriented at the same angle. Further, the inner flaps 21, 27 are arranged inside the inner and outer both side plates 4, 5 which are folded at right angles to the bottom plate 1, and the locking pieces 11, 12 projecting from the inner side plate 4 are locked grooves 13 on the four circumferences of the bottom plate. Since the inner and outer side plates and the inner flap are locked to each other by another locking means, even if the front, rear, or left and right side surfaces of the case are hit by a machine and are impacted, The sides are less dimensioned. Further, each of the superposed plates 8 is superposed on the bottom plate 1, and in the superposed portion, the corrugated core flutes of the upper and lower corrugated cardboards are positioned so that the directions of the flutes thereof are orthogonal to each other. Even if an object is stored, it does not bottom out. When the stored items are taken in and out from the case main body A, as shown by phantom lines in FIG. 1, the fan-shaped chamfer of the inner flap 21 connected to both ends of the front outer plate 4 with the upper lid raised. The front outer plate 4 is opened outward using the portion 22 as a guide. However, except when the stored items are taken in and out, inwardly foldable tongue pieces 25 and 26 are provided on the inner flap and the left and right outer plates so that the outer plates do not open outward. The left and right outer plates and the inner flap 21 are detachably fixed to each other.

Since the upper lid B is formed to have a height smaller than the height of the case main body and does not weigh the product, it suffices to configure it in the same manner as the flute orientation of a corrugated cardboard sheet used in a general paper box. is there.

[Effects of the Invention] As described above, the storage case for a three-dimensional warehouse according to the present invention is formed with a case body having an open upper surface and a height smaller than the height of the case body, and the outer circumference of the upper part of the case body. A top lid that is fitted to the case body to allow the top surface of the case body to open and close freely, and both the case body and the top lid can be easily assembled, and the case body uses a die-cut corrugated cardboard sheet. A fold is made in a direction that intersects the flute direction of the corrugated cardboard sheet, and a square bottom plate that is partitioned in the center of the sheet is centered to connect the front, rear, left, and right outer plates and inner plates to the four sides of the bottom plate in order. And an overlapping plate is connected to the tip of the inner plate, an inner flap is formed between the ends of the outer plates that are adjacent to each other, and an inner flap is formed at the connecting part between each inner plate and the overlapping plate. Locking means projecting from the side plate, locking grooves corresponding to the locking pieces are provided on the four circumferences of the bottom plate, and further, locking means for locking both of the inner and outer side plates and the inner flap to each other. Is provided, the four inner flaps are arranged inside the inner and outer both side plates that are folded at right angles to the bottom plate, and the locking pieces protruding from the inner plate are inserted into the locking grooves on the four circumferences of the bottom plate, and Since the overlapping plate is positioned so as to overlap the bottom plate and the inner and outer plates and the inner flap are locked to each other by the locking means, the four side faces of the box have the same strength and the four side faces have a dimensional deformation. The effect that can prevent.

Further, since the respective superposed plates 8 are superposed on the bottom plate, and in the superposed portion, the flute directions of the corrugated cores of the upper and lower corrugated cardboard sheets are positioned so as to be orthogonal to each other
Even if a heavy object is accommodated, it has an excellent effect that it does not bottom out.

[Brief description of drawings]

FIG. 1 is a perspective view showing a storage case for a three-dimensional warehouse of the present invention, which is separated into a case body and an upper lid, FIG. 2 is a development view showing the case body, and FIG. 3 is an assembling process of the case body. FIG. 4 is a perspective view showing the upper lid, and FIG. 5 is a perspective view showing the upper lid being assembled. A: Case body, B: Top cover, 1: Bottom plate, 4: Inner plate, 5: Outer plate,
8: overlapping plate, 11, 12: locking piece, 13: locking groove, 21, 27: inner flap, 22; chamfered portion, 24: notch, 25, 26: latching tongue piece, 28: locking piece , 29: Locking groove

Claims (4)

[Scope of utility model registration request] 1. A case body A having an open upper surface, and an upper lid B which is formed to have a height smaller than the height of the case body and which is fitted on an outer periphery of an upper portion of the case body to open and close the upper surface of the case body. The case body A is made of a die-cut corrugated cardboard sheet, and is folded in a direction (2) or (3) diagonally intersecting the flute direction of the corrugated cardboard sheet to form a quadrangular shape in the center of the sheet. Centering on the bottom plate (1), four outer plates (4) (4) (4) (4) and inner plates (5) (5) (5) (5) are sequentially connected to the four sides of the bottom plate, A superposed plate (8) is connected to the tip of the inner plate, and inner flaps (21) (21) (2) are provided between the ends of the outer plates (4) adjacent to each other.
7) (27) are formed respectively, and locking pieces (11) projecting from the inner side plates (5) and the superposed plate (8) are connected to each other.
(12) is provided with locking grooves (13) corresponding to the locking pieces on the four circumferences of the bottom plate, and further, locking means capable of locking both of the inner and outer side plates and the inner flap with each other. The four inner flaps (21) (21) (27) (27) are arranged inside the inner and outer both side plates (4) (5) which are folded at right angles to the bottom plate (1), and The locking pieces (11) protruding from the inner plate (5) are inserted into the locking grooves (13) on the four circumferences of the bottom plate, and the overlapping plate (8) is positioned so as to overlap the bottom plate (1), A storage case for a three-dimensional warehouse, characterized in that an inner side plate and an inner flap are locked to each other by the locking means to form a box body. 2. An inner flap (21) is connected to both ends of the front outer plate (4), and U-shaped notches (23) 24 are made to correspond to the inner flap and the left and right outer plates, respectively. The storage case for a three-dimensional warehouse according to claim 1, which is provided with hooking tongue pieces (25) (26) that can be folded inward by being provided. 3. An inner flap (27) is connected to the rear ends of the left and right outer plates (4), and a locking piece (28) projecting from the inner flap is formed at the upper end of the inner flap, and the rear outer part is formed. A pair of locking grooves (29) corresponding to the locking pieces are provided on the upper end of the plate.
A storage case for a three-dimensional warehouse according to item 1, which is provided with. 4. The storage case for a three-dimensional warehouse according to claim 2, wherein the free ends of the inner flaps connected to both ends of the front outer plate are chamfered (22) by notching in a fan shape.