CN203806414U - Container used for conveying panels - Google Patents

Abstract

A container for panel transportation, wherein the container for panel transportation includes: a container main body (11) having a storage part (13) for arranging a plurality of panels (2) in a horizontal direction and stacking them in a thickness direction; ); and a cover (12), which is used to cover the opening of the container main body; on the peripheral wall of the container main body, a retaining piece (3) protruding toward the inside of the storage part (13) is provided, and the container main body is formed of a foaming material , the holding sheet is formed of non-foamed resin. According to this structure, no trace of contact with the panel remains on the container, and the storage operation of the panel can be easily performed with a simple structure.

Description

Container for panel delivery

technical field

The utility model relates to a panel conveying container which stacks panels such as a liquid crystal panel in a horizontal direction in a plate thickness direction and stores them.

This application claims priority from Japanese Patent Application No. 2013-70834 for which it applied on March 29, 2013, and uses the content here.

Background technique

Conventionally, as such a container for panel transportation, there are known panel holding members including cushioning properties as described in Document 1 (Japanese Patent Laid-Open No. 2007-314236 ) and Document 2 (Japanese Utility Model Registration No. 3120707 ). container.

Document 1 discloses a container having a structure in which the container body and the panel holding portion are independently provided, the specific gravity (apparent density) of the container body is 45 kg/m ³ to 300 kg/m ³ , and the panel holding portion is The apparent density is set at 10kg/m ³ to 90kg/m ³ . By making the apparent density of the panel holding part smaller than the apparent density of the container body, it has cushioning properties and reduces the load on the stored panel when the container is transported. .

Document 2 discloses a structure in which an air bag is provided inside the container main body, foamed polyethylene and foamed polypropylene are pasted on the outside of the air bag, and these foam materials are adhered to the panel by virtue of their adhesiveness to prevent scratches. , Damage, wherein, after the panel is accommodated in the container main body, air is filled into the airbag to have cushioning properties and make it closely adhere to the contents.

However, in the case of the panel transport container disclosed in Document 1, since the panel holding portion has cushioning properties, contact traces remain on the portion of the panel holding portion where the panel contacts (that is, the protruding end of the panel holding portion).

In addition, in Document 2, although the airbag is filled with air after the panel is stored so as to be in close contact with the panel, it is necessary to perform an operation of filling the airbag with air after the panel is stored in the container body. Therefore, not only the structure of the container becomes complicated, but also the storage operation becomes complicated.

Utility model content

The present invention was made in view of the above-mentioned problems, and an object of the present invention is to provide a panel transporter that does not leave contact traces caused by contact with the panel, and can easily carry out the storage operation of the panel with a simple structure. container.

In order to achieve the above object, the container for panel transportation of the present invention includes: a container body having a storage portion for storing a plurality of panels stacked in the thickness direction in a horizontal direction; and a lid body for sealing The opening of the container body; on the peripheral wall of the container body, a panel end surface holding portion protruding toward the inside of the storage portion is provided, the container body is formed of a foam material, and the panel end surface holding portion is formed of a non-foaming resin.

In the present invention, the panel can be accommodated in the storage portion of the container body in a state where the outer peripheral end surface of the panel is held by the panel end surface holding portion protruding from the peripheral wall of the container body. In this case, since the panel end surface holding part is made of non-foamed resin, which is harder than the container body made of cushioning foam material (made of a material that is difficult to elastically deform), the panel will vibrate during transportation. , the container main body can absorb the vibration by elastically deforming the panel end surface holding portion. Therefore, even when the container for panel conveyance is dropped during conveyance, damage to the panel can be prevented, and damage to the container main body itself made of the foam material can also be suppressed.

In addition, in the case of the present invention, since the panel end surface holding part made of non-foamed resin is a relatively hard member, no gap between the panel end surface holding part and the panel's outer peripheral end surface will remain in direct contact with the panel end surface holding part. traces of contact. In addition, the panel does not directly contact the main body of the container made of foam material, and when the panel transport container vibrates, there is no trace of contact between the container and the panel. Moreover, since the panel does not rub against the foam material, dust caused by friction between the panel and the panel will not be generated in the storage portion, and the quality reduction of the panel during transportation can be prevented.

Moreover, the container can store the panel in the storage part by using the container main body and the panel end surface holding part protruding from its peripheral wall as the basic structure, and using the panel end surface holding part to hold the outer peripheral end surface of the panel, so the structure of the container is simple, and it can be easily Carry out the storage operation of the panel.

Moreover, in the container for panel conveyance of this invention, it is preferable that the said panel end face holding part is inserted into a container main body from above, and is detachably fitted in a container main body.

In this case, since the panel end surface holding part is provided separately from the container main body, the panel end surface holding part and the container main body which are each formed of separate members can be produced in a single process. Furthermore, in this invention, a panel end surface holding part can be attached to a container main body by simple operation which inserts into a container main body from above.

In the panel transport container of the present invention, preferably, the panel end surface holding portion is provided on an interposing member made of a foam material detachably fitted to the peripheral wall of the container main body.

In the present utility model, the panel end surface holding part can be provided by means of the clamping member made of the same foam material as the container main body, and the position of the panel end surface holding part in the storage part can be changed, so by using different sizes of clamping components , the size of the storage part can be changed in accordance with the size of the panel to be stored. Therefore, it is possible to accommodate a plurality of types of panels having different sizes with one container main body.

Furthermore, in the panel transport container of the present invention, preferably, the storage portion is divided into a plurality of storage portions by a partition wall, and the panel end surface holding portion is provided on a peripheral wall of the container body and the partition wall.

In the present invention, a plurality of storage parts can be formed in one container main body, and it is also possible to support the storage of small-sized panels. Moreover, by providing the panel end surface holding parts for each divided storage part, the panel end surface holding part for holding the panel stored in each storage part protrudes toward the storage part side than the peripheral wall and the partition wall of the container body, so the panel does not It will directly contact the peripheral wall and partition wall of the container body. As a result, as described above, not only contact marks remaining on the panel end surface holding portion but also contact marks remaining on the peripheral wall and the partition wall of the container body can be prevented.

Description of drawings

Fig. 1 is a perspective view showing the structure of a container for panel transportation according to a first embodiment of the present invention.

Fig. 2 is a perspective view of a state where no panel is housed in the container body shown in Fig. 1 .

Fig. 3 is a perspective view showing a fitting structure of holding pieces.

Fig. 4 is a perspective view showing the structure of a container for panel transportation according to a second embodiment of the present invention.

Fig. 5 is a perspective view showing a state in which a cushioning member is removed from the container main body shown in Fig. 4 .

Fig. 6 is a perspective view showing a state in which a panel is housed in a container body according to the second embodiment.

7 is a perspective view showing the structure of a container for panel transportation according to a third embodiment of the present invention.

Fig. 8 is a perspective view of a state where no panel is housed in the container body shown in Fig. 7 .

9 is a perspective view showing the structure of a container for panel transport according to a modified example of the third embodiment of the present invention.

Detailed ways

Hereinafter, the container for panel transportation which concerns on embodiment of this invention is demonstrated based on drawing.

(first embodiment)

As shown in FIG. 1 , the panel transport container (hereinafter, simply referred to as container 1 ) of this embodiment is carried out when transporting a plurality of panels 2 such as a liquid crystal panel in which liquid crystal is sealed between two thin-walled glasses. use.

The container 1 includes: a container body 11 that stores a plurality of panels 2 stacked in the thickness direction facing the horizontal direction; and a lid body 12 that closes the opening 11 a of the container body 11 . The container main body 11 and the lid body 12 are formed of a resin made of a foam material such as PIOCLEAN (registered trademark).

Specifically, the container main body 11 and the lid body 12 can be formed of any foamed resin molded body, but are preferably foamed molded bodies of thermoplastic resin. Examples of thermoplastic resins include polystyrene-based resins, polyolefin-based resins (for example, polypropylene-based resins, polyethylene-based resins), polyester-based resins (for example, polyethylene terephthalate, polybutylene terephthalate ester, polyethylene naphthalate), polycarbonate resin, polylactic acid resin, etc. Among them, it is preferable to use a composite resin containing polystyrene and polyethylene (that is, the aforementioned Piolone (registered trademark)).

Here, in FIG. 1 , the container 1 is provided with the opening 11a of the container body 11 above. In this disposed state, the side of the opening 11a of the storage portion 13 is referred to as the upper side along the vertical direction, and the opposite side (the bottom) is referred to as the upper side. 11b side) is referred to as the lower side.

As shown in FIG. 2 , the container body 11 is formed in a rectangular shape in plan view, and includes a flat bottom wall 14 and a peripheral wall 15 integrally connected to the outer peripheral end of the bottom wall 14 . On the inner surface 15 c of the peripheral wall 15 , holding pieces 3 (panel end face holding portions) protruding toward the inside of the housing portion 13 are provided on respective sides.

Corner recesses 15a are formed at each corner portion of the four corners of the peripheral wall 15, and a plurality of (in this embodiment, two on each side, a total of two on each side in the container as a whole) are provided on straight portions other than the above-mentioned corner portions. 8) The first locking groove 15b for fitting the holding piece 3. The corner recess 15a is provided so that the corner 2b (see FIG. 1 ) of the panel 2 accommodated in the storage portion 13 is separated from the peripheral wall 15. When the container 1 storing the panel 2 is transported, for example, even if the container 1 falls , the panel corner portion 2b does not contact the corner portion of the peripheral wall 15 either.

As shown in FIG. 3 , the first locking groove 15 b extends in the vertical direction on the inner surface 15 c side of the peripheral wall 15 , and the opening width of the inner surface 15 c of the groove is narrower than that of the inner groove. Furthermore, as shown in FIG. 2 , two first locking grooves 15 b are provided at intervals on each side of the peripheral wall 15 , and are arranged such that the long sides of the peripheral wall 15 face each other and the short sides face each other.

As shown in FIG. 3 , the holding piece 3 is composed of a pair of flange portions 31 ( 31A, 31B) arranged parallel to each other, and the two flange portions 31 are connected to each other so that the centers of the width direction of the two flange portions 31 are connected to each other. The connecting portion 32 is made of an H-shaped cross section. The thickness of the flange portion 31 is the protrusion amount of the holding piece 3 from the peripheral wall 15, and is set within a range of 0.5 mm to 5.0 mm. By setting the thickness of the flange portion 31 within this range, even if the panel 2 accommodated in the storage portion 13 vibrates, it can be prevented from contacting the peripheral wall 15 . For example, when the thickness of the flange portion 31 is 2 mm, the groove width of the first locking groove 15 b (groove dimension in the thickness direction of the peripheral wall 15 ) is also set to 2 mm. The connecting portion 32 matches the width of the opening on the inner surface 15c of the first locking groove 15b.

The holding sheet 3 is made of a non-foaming resin such as an elastic body or hard plastic (LDPE (injection product)), and is made of a material that is harder (hard to elastically deform) than the container body 11 made of a foam material. In this embodiment, an elastic body having a density of 950 kg/m ³ to 1200 kg/m ³ is used. In addition, when polyethylene is used, a holding sheet having a density of about 915 kg/m ³ to 960 kg/m ³ is used, preferably a holding sheet having a surface specific resistance value of 10 ⁹ (Ω) to 10 ¹² (Ω) .

The holding piece 3 is detachably fitted to the peripheral wall 15 by inserting one flange portion 31A into the groove portion of the first locking groove 15 b of the container body 11 from above. And, the holding piece 3 is held on the container main body 11 by fitting the flange portion 31A on one side into the first locking groove 15b, and the flange portion 31B on the other side slides from the inner surface of the peripheral wall 15 in this holding state. 15c stands out. At this time, the protrusion amount of the other flange portion 31B of the holding piece 3 (that is, the distance from the inner surface 15c of the peripheral wall 15 to the end surface (the protruding end 31a ) of the other flange portion 31B on the storage portion 13 side) is: The thickness of the flange portion 31 is 2 mm. The flange portion 31B on the other side holds the outer peripheral end surface 2 a by contacting the outer peripheral end surface 2 a (see FIG. 1 ) of a plurality of laminated panels 2 with its protruding end 31 a.

In addition, the distance (gap) between the protruding end 31 a of the holding piece 3 and the panel 2 accommodated in the housing portion 13 is set within a range from 1 mm to 0.2% of the length of the panel 2 plus 2 mm. That is, the panel 2 accommodated in the storage portion 13 is held by the holding sheet 3 with a slight gap therebetween.

As shown in FIG. 1 , on the outer peripheral portion of the lower surface of the lid body 12 , a plurality of fitting protrusions 12 a protrude at appropriate intervals along the outer periphery. These fitting protrusions 12 a are fitted into fitting recesses 15 d formed on the upper end of the peripheral wall 15 of the container body 11 .

In addition, in the container 1 of the illustrated example, a combination is formed by combining the container body 11 and the cover body 12, but it is not limited to this, and it may also be formed by stacking a plurality of container bodies 11, and using the cover body 12 to cover the final set. The structure of the opening of the accommodating part 13 of the upper container main body 11. In this case, as shown in FIG. 1 , on the outer periphery of the lower surface of the bottom wall 14 of the container main body 11, a plurality of fitting convex portions protrude along the outer periphery at appropriate intervals as in the case of the lid body 12 described above. 14a will do. That is, when the container bodies 11 are stacked up and down, the fitting convex portion 14a of the container body 11 arranged on the upper surface side may be fitted into the fitting concave portion 15d of the container body 11 arranged on the lower surface side.

Next, the operation of the container for panel transportation having the above-mentioned structure will be described in detail based on the drawings.

As shown in FIGS. 1 and 2 , in the container 1 of this embodiment, the panel 2 can be accommodated in the container in a state where the outer peripheral end surface 2a of the panel 2 is held by the holding piece 3 protruding from the peripheral wall 15 of the container body 11. The storage part 13 of the main body 11 .

In this case, since the holding sheet 3 is made of non-foamed resin, which is harder than the container body 11 made of a cushioning foam material, when the panel 2 vibrates during transportation, the container body 11 can be supported by the holding sheet. 3 elastically deforms to absorb the vibration. Therefore, even when the container 1 is dropped during transportation, damage to the panel 2 can be prevented, and damage to the container body 11 itself made of the foam material can also be suppressed.

In addition, in this embodiment, since the holding sheet 3 made of non-foamed resin is a relatively hard member, no gap between the holding sheet 3 and the panel 2 remains at the portion of the holding sheet 3 that is in direct contact with the outer peripheral end surface 2 a of the panel 2 . contact traces. In addition, the panel 2 does not directly contact the container main body 11 made of foam material, so when the container 1 vibrates, there is no trace of contact with the panel 2 on the container 1 . Moreover, there will be no friction between the panel 2 and the foam material, so no dust will be generated in the storage portion 13 due to friction with the panel, and the quality of the panel during transportation can be prevented from being reduced.

In addition, in this embodiment, since the holding piece 3 is provided separately from the container main body 11, it is possible to manufacture the holding piece 3 and the container main body 11 formed of separate members in a separate process. Furthermore, the holding piece 3 can be attached to the container main body 11 by a simple operation of inserting it into the container main body 11 from above.

And by setting the gap between the panel 2 and the holding piece 3 at the time of storage from 1mm to the range of 0.2% of the length of the panel 2 plus 2mm, it is possible to provide a room for storage around the panel, and it is possible to easily Storage of the panel 2 in the storage portion 13 is performed. Furthermore, it is possible to suppress the vibration of the panel 2 from becoming large when vibration is applied to the container 1 .

As described above, the container for panel transportation according to this embodiment does not leave traces of contact with the panel caused by the vibration during transportation on the holding sheet 3 or the peripheral wall 15 of the container main body 11, and can be easily transported with a simple structure. The storage operation of the panel 2 is effectively performed.

(Second embodiment)

Next, a second embodiment of the present invention will be described based on FIGS. 4 to 6 . As shown in these figures, some of the plurality of holding pieces 3 of the container 1A according to this embodiment are attached to the cushioning member 4 (inserting member) detachably fitted to the peripheral wall 15 of the container main body 11 . On the inner surface 15c of each of the long side and the short side of the peripheral wall 15, at the position between the first locking grooves 15b, two recesses 15e are arranged on the long side, and on the short side. A recessed portion 15e is disposed on the portion. A key groove 15f extending in the vertical direction of the peripheral wall 15 is formed on the bottom surface of the recessed portion 15e.

The cushioning member 4 has a substantially rectangular block shape in plan view having the same height as the depth of the storage portion 13 , and is formed of a resin made of a foam material such as Piolon (registered trademark) similarly to the container body 11 . As shown in FIG. 4 , one end surface 4a of the buffer member 4 is fitted into the recessed portion 15e of the peripheral wall 15, and a protrusion 41 capable of engaging with the key groove 15f is provided on the one end surface 4a. The buffer member 4 is detachable. The method is provided on the container main body 11 (the inner surface 15c of the peripheral wall 15). In addition, the specific material of the cushioning member 4 is preferably the same as the specific material of the container main body 11 and the lid body 12 shown in the first embodiment, a thermoplastic resin foam molding.

In addition, a second locking groove 42 for fitting the holding piece 3 is provided on the other end surface 4 b of the buffer member 4 at a position facing the protrusion 41 . The shape and size of the second locking groove 42 are the same as those of the first locking groove 15b, and extend along the thickness direction of the buffer member 4. narrow. The buffer member 4 is fixed at a predetermined position on the peripheral wall 15 by fitting the protrusion 41 into the key groove 15 f provided on the peripheral wall 15 and engaging the one end surface 4 a side of the buffer member 4 with the recess 15 e of the peripheral wall 15 .

As shown in FIG. 3 , one side flange portion 31A of the holding piece 3 is inserted into the second locking groove 42 of the buffer member 4 from above, and is detachably fitted into the second locking groove 42 of the buffer member 4 . . And, when the flange portion 31A on one side is fitted into the second locking groove 42, the holding piece 3 is held on the container main body 11 via the cushioning member 4. In this holding state, the flange portion 31B on the other side is self-cushioning. The other end face 4b of the member 4 protrudes. At this time, the amount of protrusion of the other flange portion 31B of the holding piece 3 (that is, the distance from the other end surface 4 b to the end surface (protruding end 31 a ) of the other flange portion 31B on the storage portion 13 side is distance) is the thickness portion of the flange portion 31, that is, 2 mm. The flange part 31B on the other side contacts the outer peripheral end surface 2a of the laminated panel 2 with the protruding end 31a, and holds this outer peripheral end surface 2a.

In this case, the outer peripheral end surface 2a of one long side and one short side of the stored panel 2 is held by the holding piece 3 attached to the container main body 11 via the buffer member 4, and the outer peripheral end surface 2a of the other long side and the other short side 2a is held by the holding piece 3 attached directly to the container main body 11 .

In addition, the first locking groove 15 b provided with the long side and the short side of the buffer member 4 in the peripheral wall 15 is formed in a state where the holding piece 3 is detached.

Also in the case of the container 1A of the second embodiment, as in the above-mentioned first embodiment, the distance (gap) between the protruding end 31a (see FIG. 3 ) of the holding piece 3 and the panel 2 accommodated in the storage portion 13 is set to Set within the range from 1mm to 0.2% of the length of panel 2 plus 2mm. That is, the panel 2 accommodated in the storage portion 13 is held by the holding sheet 3 with a slight gap therebetween.

In addition, the length in the direction perpendicular to the one end surface 4 a and the other end surface 4 b of the cushioning member 4 is appropriately set in accordance with the size of the panel 2 .

In this way, in the container 1A of the second embodiment, the holding sheet 3 can be provided via the cushioning member 4 made of the same foam material as the container body 11, and the position of the holding sheet 3 in the storage portion 13 can be changed. The size of the storage part 13 can be changed according to the size of the panel 2 to be accommodated by using the buffer member 4 of a different size. Therefore, it is possible to support storage of various types of panels 2 having different sizes with one container body 11 .

(third embodiment)

Next, a third embodiment of the present invention will be described based on FIGS. 7 and 8 . As shown in these figures, the container 1B of this embodiment is formed so that the storage part 13 is divided into a plurality of (here, four) small storage parts 13A, 13A..., The holding piece 3 is provided on the peripheral wall 15 and the partition wall 5 of the container main body 11 . The partition wall 5 is formed so as to pass through the center of the housing portion 13 in plan view and is arranged on vertical and horizontal straight lines parallel to the long sides and short sides of the peripheral wall 15 respectively, and is provided in the same manner as the peripheral wall 15 of the second embodiment described above. The structure of the first locking groove 51 . Here, in the partition wall 5 , the wall extending parallel to the short-side direction of the peripheral wall 15 is called a vertical wall 5A, and the wall extending parallel to the long-side direction is called a horizontal wall 5B. In addition, the specific material of the partition wall 5 is preferably the same as the specific material of the container main body 11 and the lid body 12 shown in the first embodiment, a thermoplastic resin foam molding.

Recesses 13a are formed near the respective corners of the divided small storage portion 13A so that the corners 2b of the panel 2 do not contact the peripheral wall 15 or the partition wall 5 when the container 1A is dropped.

In addition, in the lid body of the third embodiment, a recess (not shown) for supporting the partition wall 5 is formed on the back surface, so as to prevent the partition wall 5 from being damaged when the container 1B is dropped or vibrated. Alternatively, a concave portion may be formed in advance on the upper end of the partition wall 5, and a convex portion may be formed on the back surface of the lid body 12, and both of them may be fitted together.

In this third embodiment, a plurality of small storage portions 13A can be formed in one container main body 11 , and it is possible to support storage of a small-sized panel 2 . Moreover, by providing the holding pieces 3 in each of the divided small storage portions 13A, the holding pieces 3 for holding and storing the panels 2 in the respective small storage portions 13A are stored smaller than the peripheral wall 15 and the partition wall 5 of the container main body 11. Since the portion 13A side protrudes, the panel 2 does not directly contact the peripheral wall 15 and the partition wall 5 . As a result, as described above, not only contact marks remaining on the holding sheet 3 but also contact marks can be prevented from remaining on the peripheral wall 15 and the partition wall 5 .

In addition, also in the case of the container 1B of the third embodiment, like the container 1C shown in the modified example of FIG. 9 , the buffer member 4 (interposition member) can be provided on the peripheral wall 15 and the partition wall 5 . In this case, the panel 2 smaller than the panel 2 accommodated in the said small storage part 13A can be accommodated.

As mentioned above, although embodiment of the container for panel transportation of this invention was demonstrated, this invention is not limited to the said embodiment, In the range which does not deviate from the summary, it can change suitably.

For example, in the present embodiment, the holding piece 3 having an H-shaped cross-sectional shape is used to insert the flange portion 31 on one side into the first locking groove 15b from above, but the holding piece 3 is not limited to this. kind of shape. The holding piece 3 attached to the peripheral wall 15 may be fitted so as not to deviate in the side direction of the peripheral wall 15 or in a direction perpendicular to the inner surface 15 c of the peripheral wall 15 .

In addition, in the above-mentioned third embodiment, the vertical wall 5A and the horizontal wall 5B of the partition wall 5 are arranged on a straight line passing through the vertical and horizontal center of the container body 11, but the partition wall 5 is not limited to this position, and may be only Even if the vertical wall 5A or only the horizontal wall 5B is arranged on the straight line, the divided small storage portions 13A are not limited to have an equal size. That is, the divided small storage parts may be divided into different sizes by the partition wall.

In addition, the component in the said embodiment can be replaced with a well-known component suitably in the range which does not deviate from the summary of this invention.

Claims (5)

1. A container for panel transportation, characterized in that, The container for transporting panels includes: a container body having a storage portion in which a plurality of panels are arranged in a horizontal direction to be stacked in a plate thickness direction; and a lid for closing an opening of the container body; A panel end surface holding portion protruding toward the inside of the storage portion is provided on the peripheral wall of the container body, The container body is formed of a foam material, and the panel end face holding portion is formed of a non-foamed resin. 2. The container for panel transportation according to claim 1, wherein The above-mentioned panel end surface holding portion is inserted from above to be detachably fitted. 3. The container for panel transportation according to claim 1, wherein The panel end surface holding portion is provided on an interposing member made of a foam material that is detachably fitted to the peripheral wall of the container main body. 4. The container for panel transportation according to claim 2, wherein The panel end surface holding portion is provided on an interposing member made of a foam material that is detachably fitted to the peripheral wall of the container main body. 5. The container for panel transportation according to any one of claims 1 to 4, wherein The accommodating portion is divided into a plurality of accommodating portions by a partition wall, and the panel end surface holding portion is provided on a peripheral wall of the container main body and the partition wall.