JP2002211648A - Device and method for packing display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve problems that packing of liquid crystal displays requires a large amount of corrugated cardboard and a complex structure in order to assure transfer quality, which results in inefficient packing along with large packing capacity per liquid display and that, because an amount of packing material used for each liquid display is large, the amount of corrugated cardboard that is disposed of increases. SOLUTION: In a packing device of a collective package system, by using a corrugated board sheet, a group of five liquid displays is compactly accommodated in each of foldable inner boxes. Further, the foldable inner boxes are aligned and accommodated in a corrugated board pallet provided with crossbeams.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packing device and a packing method used for transporting a display device such as a liquid crystal display device made of a material which is vulnerable to external impact.

[0002]

2. Description of the Related Art In recent years, liquid crystal display devices have been used as displays for personal computers, monitors for televisions, and monitors for car navigation, and their use has been spreading year by year.

This liquid crystal display device is generally formed of a thin glass plate, and is very weak against external impacts and local loads, weak against static electricity, and compared with other electronic parts. And the unit price per volume is high.

[0004] On the other hand, in terms of materials for packing devices used for general electronic parts, corrugated cardboard, which is relatively easy to dispose of, is often used as much as possible. The use of styrofoam or the like, which has a large burden on the environment, is often restricted.

[0005] When packing a liquid crystal display device to a customer, from the viewpoint of emphasizing impact resistance during transportation, it is preferable to use a cushioning material formed by combining a large number of cardboards in a complicated manner. Many.

Hereinafter, an example of a conventional packing device for a liquid crystal display device will be described with reference to FIG.

As shown in FIG. 8, first, the liquid crystal display device 1 is wrapped in a packing bag 2 and stored one by one in a foldable cardboard sheet 23.

The packing device includes a slit 24 into which the cardboard sheets 23 containing the liquid crystal display device 1 are inserted one by one.
a) a cushioning pedestal unit 24 composed of a combination of a plurality of corrugated cardboard sheets provided with a, and a cushioning side unit 25 assembled by bending a corrugated cardboard sheet for the purpose of providing cushioning against impact from the side several times. When,
A cardboard top sheet 26 for fixing a liquid crystal display device having a slit 26a of a predetermined size, and a cushioning top unit assembled by bending a cardboard sheet for the purpose of providing cushioning against impact from the top surface several times. 27
And an outer box 28 for storing all these units.

By combining the plurality of units made of corrugated cardboard sheets, a sufficient space can be maintained around the liquid crystal display device 1 by covering the periphery of the liquid crystal display device 1. Even when a load is applied, these corrugated cardboard units function as a cushioning material, and can protect the liquid crystal display device 1 inside.

[0010]

In such a conventional packing device for a liquid crystal display device, it is necessary to provide a sufficient cushioning property on the assumption that the packing is handled in units of packing devices. Since a large amount of cardboard must be used and a large amount of cardboard must be discarded every time one liquid crystal display device is carried, there is a problem that the method is very inefficient. In addition, the work of assembling the cardboard in a complicated manner is necessary to make the packing box, and the disassembly and disposal after removing the liquid crystal display device require considerable man-hours. Exists.

It is also clear that the packing volume per unit is large, and that it is very disadvantageous in terms of transportation cost and storage cost.

[0012] On the other hand, even in terms of packing quality, since it is housed in a complicatedly structured packing box, it is necessary to pick up the liquid crystal display device when unpacking and taking out.
At this time, a load is likely to be applied to the liquid crystal panel made of glass, and there is a risk that the liquid crystal panel may be broken.

[0013] Further, even when stored in a packed state,
Due to the large weight of the liquid crystal display device, there is a problem that in the case of multi-stack storage, the corrugated cardboard cannot withstand the stacked weight load and is partially deformed, and the lowermost liquid crystal display device is damaged.

[0014]

In order to solve the above-mentioned problems, a packing device for a display device according to the present invention has a first corrugated cardboard sheet in contact with a display surface side of a display device and the first corrugated cardboard sheet. Are bent toward the back side of the display device, the display device is sandwiched, and a plurality of first cardboard sheets sandwiching the display device are stacked substantially horizontally on a second cardboard sheet, and the second A portion of the corrugated cardboard sheet not holding the first cardboard sheet holding the display device is folded, and the entire first cardboard sheet holding the plurality of display devices is wrapped in a box to form a packing box. And a packing apparatus in which the packing boxes are arranged and stored on a cardboard pallet without gaps.

In the first corrugated cardboard sheet, a hole is provided at a portion abutting on the back surface of the display device, and a hole for a handle and escape for a protrusion on the back surface of the display device is provided. In the above, a part of the first corrugated cardboard sheet is protruded so as to be convex on the side surface of the display device, and further, in a portion abutting on the back surface side of the display device, a cut-and-raised portion is provided partially, and By turning it back, it has a cushioning property.

The second corrugated cardboard sheet is composed of a single sheet, the side surfaces of which are bent a plurality of times, and a bent portion connected to both ends of the bottom surface is provided with a bent oblique line and a cutout portion. By bending both sides inward and raising the bottom surface, a structure of a rectangular parallelepiped packing box is obtained.

The second corrugated cardboard sheet is provided with cut-and-raised protrusions on the upper surface and slit-like holes on the bottom surface when formed in a packing box. The protrusion on the upper surface of the packing box on the side is fitted with the hole on the bottom surface of the packing box on the upper side.

The corrugated cardboard pallet has a corrugated cardboard girder on the bottom side and is formed in a box shape with an open top, and the height of the side surface of the corrugated cardboard pallet is set lower than the height of the packing box. On this corrugated cardboard pallet, the packing boxes are arranged in one or more stages, and at least a side pad partially or entirely covering the side surface of the uppermost packing box is arranged around the aligned packing boxes, The upper lid is arranged so as to cover the entire upper surface side of the uppermost packing box.

The side pad and the upper lid are made of cardboard.

Further, in the method of packing a display device according to the present invention, the first corrugated cardboard sheet is brought into contact with the display surface of the display device, and both ends of the first corrugated cardboard sheet are moved toward the back surface of the display device. Bending, sandwiching the display device, stacking a plurality of the first cardboard sheets sandwiching the display device substantially horizontally on the second cardboard sheet;
A portion of the corrugated cardboard sheet not holding the first cardboard sheet holding the display device is folded, and the entire first cardboard sheet holding the plurality of display devices is wrapped in a box to form a packing box. This is a method of packing a display device in which the packing boxes are arranged side by side on a cardboard pallet without any gap.

The second corrugated cardboard sheet is composed of a single sheet. The side surface is bent a plurality of times, and a bent portion connected to both ends of the bottom surface is provided with a bent oblique line and a cutout portion. Is bent inward to raise the bottom surface to form a rectangular parallelepiped packing box.

When the second corrugated cardboard sheet is formed in a packing box, it is provided with cut-and-raised protrusions on the upper surface and slit-like holes on the bottom surface. The package is packed by fitting the projection on the upper surface of the box with the hole on the bottom surface of the upper packing box.

One or more packing boxes are arranged and arranged on the cardboard pallet, and side pads for covering at least partially or entirely the side surfaces of the uppermost packing box are arranged around the aligned packing boxes. At the same time, packing is performed by disposing an upper lid so as to cover the entire upper surface side of the uppermost packing box.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a packing device and a packing method for a display device according to the present invention will be described below with reference to FIGS.

As shown in FIG. 1, a liquid crystal display device 1 has a liquid crystal panel 1a made of glass, and an illumination unit 1b installed on the back surface opposite to the display surface side of the liquid crystal panel.
And a housing 1c made of metal or resin for holding them. A harness 1e with a connector for supplying a necessary voltage to the lighting unit 1b is arranged on a side surface and connected to a lamp (not shown) in the lighting unit 1b.

The liquid crystal display device 1 is placed in a thin packing bag 2 which has been subjected to an antistatic treatment one by one in the same manner as in the conventional example, in order to prevent the electrification and the invasion of dust.

As shown in FIGS. 2 and 3, the corrugated cardboard sheet 2, which is the first corrugated cardboard sheet, has a fold 2a and a notch 2b provided on a single corrugated cardboard sheet. After placing the liquid crystal display device 1 with the display face down, the both ends of the corrugated cardboard sheet 2 are creased 2
Fold along a and fold back in two steps. The folded portion of the corrugated cardboard sheet 2 has a shape that partially covers both end portions on the back surface side of the liquid crystal display device 1.

A connector 1f for inputting a display signal is arranged on the back side of the liquid crystal display device 1. Since the connector 1f protrudes from the back surface, a cutout 2c is formed in a portion corresponding to this portion in the cardboard sheet 2. The provision prevents the connector 1f from being subjected to a load after packing.

A lamp lighting harness 1e is drawn out from the side surface of the liquid crystal display device 1, and is fixed on the back surface of the liquid crystal display device 1 by taping. A connector for connection is connected to the tip of the harness 1e for lamp lighting, and is fixed on the back surface of the liquid crystal display device 1. By cutting out a notch 2b in the cardboard sheet 2 where the connector comes into contact, A load is prevented from being applied to the connector at the time of packing, or the connector is prevented from locally applying a load to another liquid crystal display device 1 that is similarly packed adjacently.

Further, when the harness 1e is turned from the side to the back of the liquid crystal display device 1, the harness 1e expands in the side direction, so that the harness 1e is not damaged when an impact is applied from the side after packing. , Cardboard sheet 2
Is bent at both ends of the liquid crystal display device 1, as shown by 2 d, a part is not bent and stretched like a wing, so that an impact is not applied to the harness 1 e.

The notch 2b of the liquid crystal display device 1 is formed by cutting and raising a part of the cardboard sheet 2, and the cut and raised portion 2e is moved toward the liquid crystal display device 1 by one.
By folding back at an angle of 80 °, a shock-absorbing effect is provided against impact from the back side after packing.

These notches 2c are used as handles when the liquid crystal display device 1 is carried together with the corrugated cardboard sheet 2, thereby improving the transportability.

The corrugated cardboard sheet 2 configured as described above wraps the liquid crystal display device 1 as one set, and a total of five sets are stacked with the display surface of the liquid crystal display device facing downward.

Next, another cardboard sheet 3, which is a second cardboard sheet, is prepared in an expanded state. (FIG. 4) On the corrugated cardboard sheet 3, the above five sets of corrugated cardboard sheets 2 are placed in a horizontally stacked state. Then, after the side surface 3a of the corrugated cardboard sheet 3 is bent by 90 °, the bent portion 3c connected to both ends of the bottom surface 3b has a bent oblique line 3d.
And the cutout portion 3e are provided, and both the bent portions 3c are bent inward to raise the bottom surface 3b vertically. After that, the side face 3f connected to the bottom face 3b is put on the back side of the uppermost liquid crystal display device to form the rectangular parallelepiped packing box 4.

That is, five liquid crystal display devices 1 wrapped in the cardboard sheet 2 are put in the packing box 4 formed by the cardboard sheet 3.

As shown in FIG. 5, the two sides 4a corresponding to the short side of the top surface of the packing box 4 are fixed with a tape to complete the packing box 4.

Two holes 4b for handles are provided on the side surface of the packing box 4 to facilitate handling when the packing box 4 is transported.

The top surface of the packing box 4 is provided with two projections 4c formed by cutting and raising a part of the corrugated cardboard sheet 3. At the same time, two slit-shaped holes 4d are formed on the bottom surface.
There are two places. The projections 4c and the holes 4d are used to insert the projections 4c into the slit-shaped holes 4d when stacking the packing boxes 4 in the vertical direction, thereby displacing the upper packing box 4 when vibration or impact is applied. To prevent.

The packing box 4 completed by the above-described procedure is
The procedure for loading eight boxes together on a cardboard pallet will be described below with reference to FIG.

The cardboard pallet 6 is an open-top box-shaped pallet formed of a bottom surface 6a and four side surfaces 6b, and three cardboard girders 6c are attached to the bottom surface 6a. The height of the side surface portion 6b is set lower than the height H of the above-described packing box 4 and higher than H / 2.

The corrugated cardboard girder 6c is formed by stacking thin corrugated cardboard sheets in multiple layers and bonding them to each other to form a square bar, and then forms the corrugated cardboard girder 6c on the bottom surface 6a of the corrugated cardboard pallet 6. The corrugated cardboard sheet is installed in a vertical direction.

The cardboard girder 6c and the bottom surface 6a of the cardboard pallet 6 are fixed with an adhesive. In the corrugated cardboard pallet 6, a thin corrugated cardboard pallet bottom plate 7 having substantially the same size as the inner size thereof is laid.

Thereafter, the 28 packing boxes 4 described above are sequentially loaded so as to be arranged vertically in 7 columns × 2 rows. The inner dimensions of the bottom part 6a of the cardboard pallet 6
The size is set to fit the tables side by side.

Next, two U-shaped side pads 8 are set up in the gap between the side surface 6b of the cardboard pallet 6 and the first packing box 4, and then the first (lower) side pad 8 is placed. The second (upper) packing box 4 is placed on the packing box 4.

When the upper packing boxes 4 are placed, 14 packing boxes 4 are stacked and arranged on the 14 packing boxes 4 arranged in the same manner as the first packing box. At this time, a cut-and-raised projection 4c provided on the top surface of the first packaging box 4 and a slit-shaped hole 4d provided on the bottom surface of the second packaging box 4
Are fitted.

The bottom surface portion 8a of the side pad 8 is installed so as to face the side surface 4e having the larger area among the side surfaces of the packing box 4, and the height L of the side pad 8 is set at the second level. The height is set to sufficiently overlap with the packing box 4.

Further, the side surfaces 8b of the two side pads 8
Is set to reach the packing box in the center row (that is, the fourth row) among the packing boxes 4 arranged in seven rows.

By doing so, the cardboard pallet 6
At the time of loading and unpacking, the packing box 4 is prevented from collapsing and falling.

When the entire corrugated cardboard pallet 6 is transported by a forklift or the like, or when a lateral impact is applied during the transportation, the side pad 8 functions to protect the liquid crystal display device 1 by buffering action. I also have.

Next, a cardboard pallet top plate 9 of the same size as the above-mentioned pallet bottom plate 7 is placed, and finally, a cardboard top lid 10 is placed thereon to complete the packing. (Figure 7) If necessary, wrap a wrapping film around
You may wind a band.

In the packing device completed in this way, the liquid crystal display device is stored in close proximity, so that the packing volume per liquid crystal display device is much smaller than before, and the transport efficiency is reduced. In terms of performance.
In addition, even when stored in a packed state, the storage volume is small and the merit is large.

Further, even when the entire packing device is stacked in two or more stages, the liquid crystal display devices are uniformly densely arranged, so that the local collapse of the corrugated cardboard is smaller than that of a conventional packing box having a large space. There is an advantage that the problem of occurrence and breakage due to local load on the liquid crystal display device due to the occurrence is less likely to occur.

With regard to the amount of packaging material used, the amount of corrugated cardboard used per unit is only about one third of the conventional one, and it can be said that it is excellent in terms of cost and environment in terms of reduction of environmental load. Further, since it is not necessary to make a conventional complicated packing box, it can be said that the number of working steps is reasonable.

In addition, since a large amount of liquid crystal display devices are collectively stored in a cardboard pallet, they are always used for loading by a machine such as a forklift during transportation, so that it is possible to prevent the occurrence of defects due to mishandling of the cargo and to prevent the failure during transportation. The number of times of transshipment is also reduced, leading to improvement in transportation quality.

On the other hand, when unpacking this packing device,
By performing the operation in the reverse order of the above-described packing procedure, each product can be easily taken out one by one.

Also, when taking out the liquid crystal display device from the packing box, since the packing box is taken out in a state of lying horizontally, there is no danger of grasping the display surface of the liquid crystal display device, and the quality can be taken out with confidence. Can be.

Further, after all the liquid crystal display devices are taken out, the corrugated cardboard sheet, the packing box, and the side pads are all formed of corrugated cardboard sheets. There is a merit that it can be stored compactly inside.

That is, the cardboard sheets, packing boxes, and side pads are formed into sheets and stacked neatly on the bottom of a cardboard pallet, and finally the upper lid is closed to make a very compact size and collectively disposed of. it can. Even in the case where the packaging box is reused without being discarded, the volume for returning can be made compact, which is advantageous in terms of transportation efficiency when returning the packaging box.

In this embodiment, the packing box 4
Are stacked into one pallet by stacking 7 columns × 2 rows × 2 tiers. However, the quantity may be set to an optimal quantity for carrying according to the size and weight of the article to be packed, and is limited to the quantity of the above embodiment. Not something.

Although the above embodiment has been described with reference to a liquid crystal display device as an example, the packaging device and the packaging method of the display device of the present invention are not necessarily limited to the liquid crystal display device. It is also used for the display device used, and is also suitable as a packing device and a packing method for plate-like glass products.

[0061]

By using the packing device and the packing method of the display device according to the present invention, the display device is stored in close proximity, so that the packing volume per display device is much smaller than before. And can greatly improve transport efficiency. In addition, even when stored in a packed state, the storage volume is small and the merit is large.

[Brief description of the drawings]

FIG. 1 is a diagram showing a schematic configuration of a liquid crystal display device

FIG. 2 is an exploded view of a corrugated cardboard sheet used in the packing apparatus of the present invention.

FIG. 3 is a view showing a packing form of a cardboard sheet used in the packing apparatus of the present invention.

FIG. 4 is an exploded view of a cardboard sheet used in the packing apparatus of the present invention and a view showing a packing form.

FIG. 5 is a view showing a completed state of a packing box used in the packing apparatus of the present invention.

FIG. 6 is a diagram showing a configuration of a packing device of the present invention.

FIG. 7 is a completed view of the packing device of the present invention.

FIG. 8 is a diagram showing a configuration of a conventional packing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Liquid crystal display device 2 Cardboard sheet 3 Cardboard sheet 4 Packing box 6 Cardboard pallet 7 Pallet bottom plate 8 Side pad 9 Pallet top plate 10 Top lid

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E063 AA11 BA10 BB08 CB01 DA05 EE01 FF07 3E066 BA06 CA04 JA23 KA04 NA01 3E067 AA12 AB41 AB99 AC15 BA06C BA08C BA38B BB02B BB02C BC04C BC06B BC07C BC10 EC03 EA01 EC03 EA01 EA01 FC01 GD03 3E096 AA09 AA15 BA20 BB03 CA03 CA19 CA21 CA22 CB03 DA04 DB07 EA01X EA01Y FA16 FA23 FA27 FA29 FA30 GA01

Claims (14)

[Claims] 1. A first corrugated cardboard sheet is brought into contact with a display surface side of a display device, and both end portions of the first corrugated cardboard sheet are bent toward the back surface side of the display device to clamp the display device. A plurality of first cardboard sheets sandwiching a display device are stacked substantially horizontally on a second cardboard sheet, and a portion of the second cardboard sheet on which the first cardboard sheet sandwiching the display device is not loaded , And a packaging box is formed by wrapping the entire first cardboard sheet sandwiching the plurality of display devices in a box shape, and the packaging boxes are arranged side by side on a cardboard pallet without gaps and stored. 2. The display device according to claim 1, wherein the first corrugated cardboard sheet has a hole for escape and a handle of a protrusion on the rear surface side of the display device at a portion in contact with the rear surface side of the display device. Packing equipment. 3. A part of the first corrugated cardboard sheet protruding from the portion corresponding to the side surface of the display device so as to be convex on the side surface of the display device. Display device packing device. 4. The first corrugated cardboard sheet is provided with a cut-and-raised portion at a portion abutting on the back side of the display device,
The packaging device for a display device according to claim 1, wherein the cut-and-raised portion is turned up to have a buffering property. 5. The second corrugated cardboard sheet is composed of one sheet, and the side surface is bent a plurality of times.
2. A box having a rectangular parallelepiped shape formed by forming a bent oblique line and a cutout portion in a bent portion connected to both ends of the bottom surface, and bending both of the bent portions inward to raise the bottom surface. Display device packing device. 6. The second corrugated cardboard sheet is provided with a cut-and-raised protrusion on the upper surface and a slit-like hole on the bottom surface in a state formed in the packing box. The packing device for a display device according to claim 1, wherein the protrusion on the upper surface of the packing box is fitted with the hole on the bottom surface of the upper packing box. 7. The packaging device for a display device according to claim 1, wherein the cardboard pallet has a cardboard girder on the bottom side. 8. A corrugated cardboard pallet is formed in a box shape with an open top, and the height of the side surface of the corrugated cardboard pallet is:
The packaging device for a display device according to claim 1, wherein the packaging device is set lower than the height of the packaging box. 9. One or more packing boxes are arranged on a corrugated cardboard pallet, and side pads for covering at least partially or entirely the side surfaces of the uppermost packing box are arranged around the aligned packing boxes. 2. The packing device for a display device according to claim 1, wherein an upper lid is disposed so as to cover the entire upper surface side of the uppermost packing box. 10. The packaging device for a display device according to claim 9, wherein the side pad and the upper lid are made of cardboard. 11. A first corrugated cardboard sheet is brought into contact with a display surface side of a display device, and both ends of the first corrugated cardboard sheet are bent toward a back surface side of the display device to sandwich the display device. A plurality of first cardboard sheets sandwiching a display device are stacked substantially horizontally on a second cardboard sheet, and a portion of the second cardboard sheet on which the first cardboard sheet sandwiching the display device is not loaded And packing the entire first cardboard sheet sandwiching the plurality of display devices into a box to form a packing box, and arranging the packing boxes on a cardboard pallet without gaps and storing the packing box. 12. The second corrugated cardboard sheet is composed of a single sheet, has a plurality of side surfaces bent and provided with a bent oblique line and a cutout portion at a bent portion connected to both ends of the bottom surface. The method of packing a display device according to claim 11, wherein a rectangular parallelepiped packing box is formed by bending both sides inward and raising the bottom surface. 13. The second corrugated cardboard sheet is provided with cut-and-raised protrusions on the upper surface and slit-like holes on the bottom surface in a state formed in the packing box. The method of packing a display device according to claim 11, wherein the protrusion on the upper surface of the packing box is fitted with the hole on the bottom surface of the upper packing box. 14. A package box is arranged in one or more stages on a corrugated cardboard pallet, and a side pad for partially or completely covering at least a side surface of the uppermost package box is arranged around the aligned package box. The method of packing a display device according to claim 11, wherein the upper lid is disposed so as to cover the entire upper surface side of the uppermost packing box.