JPH0776372A - Packaging equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the amount of expanded polystyrene used as a cushioning material for packaging boxes. [Structure] A refrigerator main body 12 is housed in a rectangular box-shaped packaging box 11, and upper cushioning bodies 13, 13 are attached to respective side shoulders of an upper surface 12a of the refrigerator main body 12. This upper buffer 13
The intermediate portion 13a has a concave shape, and insertion holes 14 are formed at both ends in the vertical direction. The piece of wood 15 is inserted through the insertion opening 14 of the upper buffer 13, and the ceiling plate 16 is attached from above. After this, the whole is bound with a PP band or the like. In the stacked state, the load from above is also received on the upper surface of the refrigerator main body 12 via the wood piece 15 of the upper buffer body 13. Since no load is applied to the shock absorber 13, the amount of styrofoam used can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention packs an object to be packaged contained in a packaging box with a cushioning body interposed therebetween so that the load received from the upper portion in the stacked state is passed through the cushioning body. The present invention relates to a packaging device adapted to receive a package.

[0002]

2. Description of the Related Art Conventionally, as a packaging device of this type, for example, there is one shown in FIG. That is, lower cushions (not shown) made of styrofoam are placed on the left and right sides of the bottom of the box 1 made of corrugated cardboard in the shape of a rectangular tube.
The packaged body 2 such as a refrigerator is housed inside so as to be placed on the lower buffer body. Then, on the left and right sides of the upper surface of the packaged object 2, the upper cushioning body 3, which is also made of expanded polystyrene, is
3 is placed on the ceiling plate 4 and is covered with a ceiling board 4 made of corrugated cardboard, and the whole is bound with a plurality of PP bands or the like (not shown).

In this case, when the articles to be packaged are stacked in the packaging box 1 in a stacked state, the load of the other articles to be packaged loaded on the upper portion is received by the packaging box 1 via the ceiling plate 4. The packaged body 2 housed inside, the upper cushioning bodies 3 and 3, and the lower cushioning body also receive the packaged body 2. Therefore, the pressure receiving areas of the upper cushioning bodies 3, 3 and the lower cushioning body are set to some extent in consideration of the magnitude of the load received by the stacking.

[0004]

By the way, recently,
Due to problems such as the disposal of packaging materials such as styrofoam used for the upper cushioning bodies 3 and 3 as described above, it is required to reduce the amount of foamed polystyrene material as much as possible. Body and upper buffer 3,
The structure of No. 3 is provided with a meat stealing portion or the thickness thereof is reduced to cope with the problem.

However, in such a coping method, the pressure receiving strength of the upper cushioning bodies 3, 3 in the case of stacking as described above is lowered, so that there is a problem that there is a limit in maintaining a certain quality. is there. That is, when the packaged objects are accommodated in the packaging box and stacked, the upper cushioning bodies 3 and 3 continue to receive the static pressure, and when the pressure is equal to or higher than a certain level, the upper cushioning bodies 3 and 3. In this case, a compressive creep occurs and the thickness is reduced, and other problems occur. In other words, from the viewpoint of product protection and safety, it is difficult to reduce the amount of foamed polystyrene material of the upper cushioning bodies 3, 3 above a certain limit.

The present invention has been made in view of the above circumstances, and an object thereof is to reduce the usage fee of the cushioning material of the cushioning body and prevent deformation of the cushioning body or the like in this case as well, so that the strength is not less than a certain level. The present invention is to provide a packaging device capable of holding.

[0007]

According to the present invention, by packing a packaged object housed in a packaging box with a buffer interposed, a load received from the upper portion in the stacked state is passed through the buffer. The present invention is intended for a packaging device that is adapted to receive even the object to be packaged, and has a recessed portion formed in a recessed shape on a surface of the buffer body that receives the load, and the recessed portion is arranged to receive the load. It is characterized in that it is provided with a rigid member.

Further, it is also possible to form a protruding portion extending in the vertical direction on the inner peripheral wall of the concave portion of the buffer body.

Further, it is preferable to provide a protective cushioning portion formed by leaving the cushioning body in a thin shape on the side of the recess that contacts the packaged object.

Further, a hole is formed at a position corresponding to the concave portion in the flap that comes into contact with the cushioning body of the packaging box, a flange is provided on the upper end side of the rigid member, and the rigid member is in a state of being inserted through the hole. It is also possible to mount it in the concave portion of the buffer body so that the collar portion abuts on the flap.

[0011]

According to the packaging apparatus of the first aspect, since the concave portion is formed in the portion of the cushioning body for receiving the load and the rigid member is arranged, the load from above is mainly received by the rigid member. Therefore, since it is possible to reduce the load applied to the cushioning body, it is possible to sufficiently bear the load even when the amount of the cushioning member forming the cushioning body is reduced and the area in contact with the packaged object is reduced. become able to.

According to the packaging apparatus of the second aspect, since the protrusion is formed in the recess of the cushioning body, the frictional force when the rigid member is press-fitted into the recess is reduced and the mounting is facilitated. The synthetic member can be brought into a self-holding state by the frictional force generated between the rib portion and the rigid member, and can be prepared in advance with the rigid member attached to the shock absorber. As a result, it becomes possible to easily and quickly carry out the work of packaging the object to be packaged.

According to the third aspect of the packaging apparatus, when the rigid member is engaged with the concave portion of the buffer body, the rigid member and the packaged object are brought into contact with each other through the thin protective buffer portion. Therefore, the packaged object is not damaged by the rigid member.

According to the packaging apparatus of the fourth aspect, when the cushioning member is mounted at the time of packaging and the rigid member is mounted in the concave portion of the cushioning member through the hole provided in the flap of the packaging box, the rigid member becomes the packaging box. Since the cushioning body is inserted into the insertion hole of the cushioning body through the flap hole, the movement of the cushioning body in the packaging box is regulated, and thus the packaged object is stabilized in the packaging box. You will be able to hold the state.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment in which the present invention is applied to a refrigerator packaging apparatus will be described below with reference to FIGS. That is, FIG. 1 shows a portion of the upper opening 11a of a corrugated cardboard-made packaging box 11 having a rectangular tubular shape, and has a refrigerator main body 12 as a packaged object already stored therein.
The upper surface 12a of the above faces the opening. This refrigerator body 1
Upper shock absorbers 13, 13 as shock absorbers are disposed on both left and right sides of the upper surface 12a of the second member 12. This upper buffer 1
3 has a length substantially equal to the inner dimension of the packaging box 11 and is integrally formed of styrofoam so as to have a shape that covers the upper surface portion 12a of the refrigerator body 12 and the shoulder portion.

Further, on the upper surface of the upper cushioning body 13, there is a through hole 1 having a rectangular shape which is located in the front and rear and penetrates to the two lower surfaces.
4 are formed, and rectangular wood pieces 15, 15 as rigid members are inserted and mounted in the through holes 14 as the recesses, respectively. As shown in FIG. 2, the wood pieces 15 and 15 are flush with the upper and lower surfaces of the upper cushioning body 13 in the mounted state.

Further, the intermediate portion 13a of the upper buffer 13 is formed to be concave so as to be concave.
The top opening 11a of the packaging box 11 is covered with a ceiling board 16 made of corrugated cardboard, and the whole is bound by a plurality of PP bands or the like (not shown).

According to such a configuration, when the refrigerator main body 12 is housed in the packaging box 11 and packaged in the stacked state, the load of the packaging device placed on the upper portion is
It is received by the packaging box 11 via the ceiling plate 16, and is received by the upper surface 12a of the refrigerator body 12 via the ceiling plate 16 and the upper buffers 13, 13. In this case, in the upper shock absorber 13, most of the load received from above is received by the wood pieces 15 as a rigid member, so that it is possible to avoid applying a load to the main body of the upper shock absorber 13. become able to.

As a result, it is not necessary to increase the pressure receiving area of the upper buffer 13, and the size of the intermediate portion 13a can be set so that the front and rear portions can be connected and held.
For example, it is possible to significantly reduce the amount of the Styrofoam resin used by about 30% as compared with the conventional one.

In the above embodiment, the case where the wooden piece 15 is used as the rigid member has been described, but the present invention is not limited to this. For example, a corrugated cardboard may be rolled into a tubular shape and inserted in the vertical direction. Is also good.

FIG. 3 shows a second embodiment of the present invention. The difference from the first embodiment is that an upper buffer 17 is used instead of the upper buffer 13. That is, instead of the insertion port 14 in the upper cushion 17, engaging recesses 18, 18 are formed so as to face portions located on both sides of the recess of the meat stealing portion of the intermediate portion 17a,
A long piece of wood 19 is mounted as a rigid member that engages between the engaging recesses 18, 18.

As a result, the piece of wood 19 is held by the upper cushion 17 and the upper cushion 17 holds the packaging box 1.
When the wood piece 19 is disposed inside the refrigerator 1, the wood piece 19 is interposed between the ceiling plate 16 and the refrigerator body 12. Therefore,
Also in such a second embodiment, the same effect as that of the first embodiment can be obtained.

FIGS. 4 and 5 show a third embodiment of the present invention. The difference from the second embodiment is that the wood piece 1
Instead of 9, the rectangular cylinder 20 made of cardboard is used as the rigid member. In this case, the rectangular tube 20 is formed by bending cardboard into a rectangular tube shape and extending it in the lateral direction in a state where the ends thereof are overlapped with each other, so that the wing portion 20 extends along the longitudinal direction.
a is provided, and the intermediate portion 21a of the upper buffer 21 is provided.
Is engaged and held in a bent state so as to cover the outer side portion of the.

According to the third embodiment as described above, in addition to the effect of the second embodiment, when the packaging box 11 is bound with the PP band, the upper cushion is provided via the shoulder portion of the packaging box 11. Since the force applied to the body 21 can be received by the wing portion 20a of the rectangular tube 20, it is possible to prevent the PP band from biting into the packaging box 11 and deforming, and the strength can be increased. .

FIG. 6 shows a fourth embodiment of the present invention. The difference from the first embodiment is that the wood piece 15 is formed on the inner peripheral wall of the insertion hole 14 of the wood piece 15 formed in the upper buffer 13. The four ridge portions 22 are formed in the direction along the insertion direction of. The four ridges 21 are arranged so as to face each other, and when the wood piece 15 is inserted into the insertion hole 14, the wood piece 15 receives a frictional force due to the deformation stress of the ridge 21. Therefore, in the mounted state, the upper cushion 13
Is held together with.

As a result, it becomes possible to fix the wood piece 15 and the upper cushioning body 13 in the mounted state while reducing the contact area between them, so that the mounting work is facilitated and the upper cushioned body is preliminarily mounted integrally. Since the body 13 can be prepared, the workability when mounted on the packaging box 11 is improved.

FIG. 7 shows a fifth embodiment of the present invention. The difference from the first embodiment is that the insertion hole 14 formed in the upper buffer 13 is located on the side facing the refrigerator body 12. The bottom part 23 is provided by leaving the styrofoam of the part upper part buffer body 13 in a thin state and forming the bottomed structure.

With this structure, the piece of wood 1
When the wood piece 15 is attached, the wood piece 15 does not come into direct contact with the refrigerator body 12, and when the load is applied from above in the stacked state, the upper surface 12a of the refrigerator body 12 has the wood piece 15
The load received from is received via the thin bottom portion 23 formed in the insertion hole 14, and the refrigerator body 12 can be prevented from being scratched or damaged by the wood piece 15.

FIG. 8 shows a sixth embodiment of the present invention, in which a box-shaped corrugated cardboard packaging box 24 has outer flaps 25, 25 and side flaps 25a, 25b on opposite sides of the upper opening 24a. The inner flaps 26, 26 are integrally formed. Each of the inner flaps 26, 26 has one circular hole 27 formed at each end of the base end, and a total of four holes 27 are formed.

When the refrigerator body 12 is housed in the packaging box 24, four upper cushioning bodies 28 are mounted so as to cover the shoulders at the four corners of the upper surface 12a. This upper buffer 2
8 is made of styrene foam and is on the upper surface 12a of the refrigerator body 12.
An insertion port 28a penetrating upward is formed on the side in contact with.

In this state, the inner flap 2 of the packaging box 25
When 6 and 26 are bent inward, they come into contact with the upper surface portions of the four upper buffer bodies 28. At this time, the four hole portions 27 are positioned so as to correspond to the respective insertion openings 28a of the upper buffer body 28. It is supposed to be done.

Stop member 2 as a rigid member having a cylindrical shape
9 is formed to have a diameter that can be inserted into the insertion opening 28a of the upper cushioning body 28, and a flange portion 29a having a larger diameter than that diameter is integrally provided on the upper surface portion. Then, when the stopper member 29 is inserted into the insertion opening 28a of the upper cushioning body 28 through the hole 27 of the inner flap 26, the bottom surface thereof is positioned so as to contact the upper surface 12a of the refrigerator body 12.

In this state, when the outer flaps 25, 25 are bent inward, the four stop members 29 are held by the outer flaps 25, 25 so that they do not come off. Is restricted from moving laterally. After that, the entire packaging box 24 is bound with a PP band or the like (not shown).

According to the sixth embodiment as described above, it becomes possible to receive a load for stacking while fixing each upper cushioning body 28 by the stopper member 29 in the packaged state. It becomes possible to reduce the amount of the expanded polystyrene used to the minimum necessary.

[0035]

As described above, according to the packaging apparatus of the present invention, the following effects can be obtained. That is, according to the packaging device of the first aspect, since the rigid member is arranged in the portion of the cushioning body that receives the load, the load applied to the cushioning body can be reduced by receiving the load from above by the rigid member. Therefore, even when the amount of the cushioning body forming the cushioning body is reduced to reduce the area in contact with the packaged object, it is possible to sufficiently withstand the load.

According to the packaging apparatus of the second aspect, since the ridge is formed in the recess of the cushioning body, it is easy to press the rigid member into the recess and the ridge is deformed so that its rigidity is increased. The self-holding state can be achieved by the frictional force generated between the members and the rigid member can be attached to the cushioning body in advance to facilitate the packaging work of the packaged object. It has an excellent effect that it can be carried out promptly.

According to the packaging apparatus of the third aspect, when the rigid member is engaged with the concave portion of the cushioning body, the rigid member and the packaged object are in contact with each other through the thin protective cushioning portion. Therefore, an excellent effect that the packaged body is not damaged by the rigid member is exerted.

According to the packaging device of the fourth aspect, when the cushioning body is mounted at the time of packaging and the rigid member is mounted in the concave portion of the cushioning body through the hole provided in the flap of the packaging box, the cushioning body is thereby provided. Are restricted from moving inside the packaging box, and therefore, the packaged object can be held in a stable state inside the packaging box, and the cushioning body should be formed by the minimum necessary members. It has an excellent effect.

[Brief description of drawings]

FIG. 1 is an external perspective view showing a first embodiment of the present invention.

[Figure 2] Vertical side view

FIG. 3 is an external perspective view of a cushioning body showing a second embodiment of the present invention.

FIG. 4 is a view corresponding to FIG. 3 showing a third embodiment of the present invention.

FIG. 5 is a view corresponding to FIG.

FIG. 6 is an external perspective view of a main part of a buffer body according to a fourth embodiment of the present invention.

FIG. 7 is a view corresponding to FIG. 2 showing a fifth embodiment of the present invention.

FIG. 8 is a view corresponding to FIG. 1 showing a sixth embodiment of the present invention.

FIG. 9 is a view corresponding to FIG. 1 showing a conventional example.

[Explanation of symbols]

11 and 24 are packaging boxes, 12 is a refrigerator body (body to be packaged),
13, 17, 21, 28 are upper buffers (buffers), 1
4, 28a are insertion holes (recesses), 15 and 19 are wood pieces (rigid members), 16 is a ceiling plate, 18 is engaging recesses (recesses), 20
Is a rectangular tube (rigid member), 20a is a wing portion, 22 is a ridge portion,
23 is a bottom part, 25 is an outer flap, 26 is an inner flap,
27 is a hole and 29 is a stop member (rigid member).

Claims (4)

[Claims] 1. A packaged object to be accommodated in a packaging box is packaged with a cushioning body interposed so that a load received from an upper portion in the stacked state is also received by the packaged body via the cushioning body. In the packaging apparatus described above, the cushioning body is provided with a recessed portion formed in a concave shape on a surface for receiving the load, and a rigid member arranged to receive the load in the recessed portion. . 2. The packaging apparatus according to claim 1, wherein a protrusion extending vertically is formed on the inner peripheral wall of the recess of the buffer body. 3. The packaging device according to claim 1, wherein a protective cushioning portion formed by leaving a cushioning body in a thin shape is provided on the side of the recess that contacts the packaged object. 4. A flap, which comes into contact with the cushioning body of the packaging box, is provided with a hole formed at a position corresponding to the recess, and a flange provided on the upper end side of the rigid member, wherein the rigid member is The packaging device according to claim 1, wherein the packaging device is mounted in the concave portion of the buffer body through the hole portion, and the collar portion is formed so as to abut the flap.