CN109195878B

CN109195878B - Packaging body and packaging method

Info

Publication number: CN109195878B
Application number: CN201680085511.5A
Authority: CN
Inventors: 大石孝一; 大久保宪; 桥本雄大; 高桥正明
Original assignee: Daiwa Hightechs Co ltd
Current assignee: Daiwa Hightechs Co ltd
Priority date: 2016-05-10
Filing date: 2016-05-10
Publication date: 2021-02-12
Anticipated expiration: 2036-05-10
Also published as: KR102107922B1; WO2017195262A1; KR20190005875A; JP6466029B2; CN109195878A; JPWO2017195262A1

Abstract

The invention provides a packaging body and a packaging device which do not need a buffer material. The package comprises: a box B having a side sheet 4 standing from 4 sides of a rectangular bottom surface 6; a plate material 2 having at least 4 press-contact portions to be press-contacted to the 4 side pieces 4 when the box B is pressed; and a heat-shrinkable film 3 for shrink-wrapping the object 1 together with the sheet material 2, wherein the sheet material 2 shrink-wrapped together with the object 1 is closely attached to the bottom surface of the box, and the pressure-bonding section is pressure-bonded to the side surface of the box B.

Description

Packaging body and packaging method

Technical Field

The present invention relates to a package body and a packaging method which do not use a cushioning material.

Background

As such a package, a package described in patent document 1 has been known. In this conventional package, a shrink film is spread in a packaging box, an adhesive is applied to the shrink film in advance, and the shrink film is adhered to a predetermined surface of the box by the adhesive.

The object to be packaged is placed on the shrink film which is spread in the box as described above, and the shrink film is heat-shrunk so that the object to be packaged does not move in the box.

Documents of the prior art

Patent document

Patent document 1: japanese unexamined patent application publication No. 2002-114210

Disclosure of Invention

Problems to be solved by the invention

In the conventional package, a step of applying an adhesive to a film is required, and films must be applied to each box one by one so that the film package sandwiches a packaging object. Therefore, there are problems that the number of packaging steps is large and the packaging efficiency is extremely poor.

Further, when the film is heat-shrunk, stress acts on a portion bonded to the case by the adhesive, causing the film to break from the bonded portion.

Further, if a large force acts on the portion bonded with the adhesive during the conveyance of the box, the film is broken from the bonded portion.

If one portion of the film is broken, the film is broken from the portion, and the function of fixing the object to be packaged is impaired.

Thus, there are the following problems: if the film breaks and the packaging object cannot be fixed, the effect of not using the cushioning material is lost.

The invention aims to provide a packaging body and a packaging method, which have simple packaging operation and prevent packaged objects from moving in a box.

Means for solving the problems

In the package according to claim 1, the object to be packaged is fixed to a plate material having pressure-bonding sections to be pressure-bonded to side sheets of the corrugated cardboard box, and the pressure-bonding sections of the plate material are pressed into recesses formed in the bent portions of the corrugated cardboard box to clamp the pressure-bonding sections.

The press-bonding portion of the sheet material may be located at least 4 positions of the 4 side sheets to be press-bonded to the corrugated cardboard box. Whether the pressure-bonding section is formed as the entire periphery of the outer edge of the plate material or as a part thereof may be arbitrarily determined in consideration of factors such as the weight of the packaging object.

In the package according to claim 2, the fixing means includes a heat-shrinkable film, and the object to be packaged is shrink-packaged together with the sheet material by the heat-shrunk film.

In the package according to claim 3, the entire periphery of the plate material constitutes the press-bonding portion.

The packaging method of the invention 4 is a packaging method including the steps of: placing the object to be packaged on the plate; integrally covering the sheet material and the object to be packaged with the heat-shrinkable film; heat-shrinking the film to shrink-wrap the object to be wrapped together with the plate; and pressing the crimping part of the shrink-wrapped sheet material into the bent part of the bottom surface and the side sheet continuous therewith, so that the crimping part is clamped by the recess formed in the bent part.

Effects of the invention

According to the package of the present invention, since the object to be packaged is firmly fixed to the bottom surface of the box together with the plate material, the object to be packaged does not shake or break even if the box is not filled with the cushioning material.

Further, since the object to be packaged is fixed to the plate member in advance, the packaging operation can be completed by merely pressing the plate member into the box, and the packaging operation efficiency is dramatically improved.

Drawings

Fig. 1 is a cross-sectional view showing a state where a plate material is shrink-wrapped together with a packaging object and pressed into a bottom surface of a box.

Fig. 2 is a cross-sectional view showing a state where the plate material is shrink-wrapped together with the object to be wrapped.

Fig. 3 is a partially enlarged cross-sectional view of the film with the plate material in close contact with the bottom surface of the box and with the packaging plate material omitted.

Fig. 4 is a partial sectional view showing a process in which a sheet is pressed into a box, and the film is omitted.

Fig. 5 is a plan view showing a plate material according to another embodiment.

Fig. 6 is a schematic view of an apparatus for packing a plate material to which a packing object is fixed.

Fig. 7 is a schematic view showing the vertical relationship of the packing line.

Detailed Description

The package in the illustrated embodiment is configured such that the object 1 to be packaged is placed on the sheet material 2, the sheet material is covered with the heat-shrinkable film 3, the heat-shrinkable film 3 is heat-shrunk to be integrally shrink-packed, and the sheet material 2 is inserted into the corrugated cardboard box B.

The corrugated cardboard box B is a square tube formed by folding 1 piece of corrugated cardboard into 4 side sheets 4 to form a flat rectangle, and has a folded edge 5 continuous to the lower side of each side sheet 4.

As described above, each of the folded edges 5 is folded at a substantially right angle with respect to the side sheet 4 continuous thereto, and the bottom surface 6 of the box B is configured by combining 4 folded edges 5.

In the process of bending the side sheet 4 and the flange 5 at right angles as described above, a crush zone is formed in the bent portion as shown in fig. 3, and the crush zone of the side sheet 4 and the crush zone of the flange 5 overlap to form a depression 7.

These recesses 7 are formed in all of the bent portions of the side sheets 4 and the folded edges 5, and therefore the recesses 7 are formed substantially over the entire circumference of the bottom surface 6.

Furthermore, the peripheral edge of the sheet 2 enters the outer dimensions of the recess 7 when the sheet 2 is held in close contact with the bottom 6 of the box B. That is, the outer dimension of the plate member 2 is slightly larger than the dimension of the bottom surface 6 of the tank B by the recess 7.

Therefore, in the process of pressing the plate member 2 into the bottom surface 6 of the box B, as shown in fig. 4, slightly extreme, the side pieces 4 are slightly pushed outward by the pressing force of the plate member 2.

As described above, the plate member 2 is pressed into the box B while the side pieces 4 are pushed outward, and as shown in fig. 3, the plate member 2 is brought into close contact with the bottom surface 6, and the outer edge of the plate member 2 is pressed into the recess 7. When the outer edge of the sheet 2 is pushed into the recess 7, the side sheet 4 is restored to a state of being at right angles to the bottom surface 6 by its elastic force. When the side piece 4 is restored to the right-angled state, the recess 7 is contracted to firmly grip the outer edge of the panel 2.

The box B and the plate material 2 are naturally selected according to the size of the object 1 to be packaged. When the object 1 is placed substantially at the center of the sheet material 2, a sufficient space for absorbing an impact from the outside is maintained between the object 1 and each side piece 4 of the box B.

Next, a flow of packaging the object 1 in the box B will be described.

First, the object 1 is placed on the plate material 2, and the plate material 2 and the object 1 are covered with the heat-shrinkable film 3. At this time, the film 3 is set to have such a size that the pulling portion 8 can protrude from the plate material 2 as shown in fig. 2 even when it is thermally shrunk. The pulling portion 8 constitutes the taking-out mechanism of the present invention.

The heat-shrinkable film 3 covering the plate material 2 and the object 1 is heated and shrunk as described above, whereby the object 1 is shrink-wrapped together with the plate material 2 and fixed to the plate material 2. In the shrink-wrapped state, the pull-up portion 8 protrudes from the plate material 2.

Further, when the plate member 2 is pressed into the box B so that the pulling portion 8 protrudes into the box B from between the side pieces 4 and the plate member 2 is brought into close contact with the bottom surface 6, the pressure-bonded portion of the plate member 2 is firmly clamped by the recess 7.

When the crimping portion of the plate material 2 is firmly gripped by the recess 7, the plate material 2 is not loosened even if a considerable impact is applied to the box B. In this way, since the object 1 can be firmly fixed while a sufficient space is secured between the object and the side pieces 4 of the box B, even if a large impact is applied to the box B, the impact does not reach the object 1. The fact that the impact applied to the box B does not act on the object 1 means that no cushioning material is required.

When it is predicted that a large impact will act on the bottom surface 6 side of the box B by calculating the weight of the object 1, a plate-like cushioning material including, for example, 1 piece or a plurality of pieces of corrugated paper or the like which is one turn smaller than the plate material 2 may be interposed between the plate material 2 and the object 1.

Even if the plate-like cushioning material is interposed as described above, the cushioning material can be included to hold the plate material 2 and the object 1 to be packaged integrally, and therefore, the packaging operation is not hindered.

On the other hand, in the state where the plate material 2 is clamped by the recess 7, it can be firmly fixed to such an extent that it is almost impossible to take out the plate material 2 from the box B unless the box B is broken. Such a firm fixation is also absolutely necessary to avoid damage to the packaging object 1.

However, if the object 1 is taken out from the box B, it is desirable to easily take out the object.

As described above, the requirement that the plate material 2 is firmly fixed to the bottom surface 6 of the box B during the conveyance without loosening is in a relationship with the requirement that the plate material can be easily taken out at the time of taking out.

Also solving the problem of the two-rhythm dorsiflexion is the lifting part 8. The pull-up portion 8 is a part of the film 3, not only less bulky, but also does not present any obstacle after the outer edge of the sheet 2 is gripped by the recess 7.

Further, the plate material 2 can be easily taken out from the recess 7 by pinching the pulling portion 8 and pulling it up with a force.

In the present embodiment, the pressure-bonded part of the plate material 2 is the entire circumference of the outer edge thereof. However, in the present invention, the press-bonding portion of the plate material 2 may be located at least 4 positions where the 4 side sheets are press-bonded. Whether the pressure-bonding section is formed as the entire periphery of the outer edge of the plate material 2 or as a part thereof may be arbitrarily determined in consideration of factors such as the weight of the object 1 to be packaged.

In another embodiment shown in fig. 5, a part of the pressure-bonding part of the plate material 2 is cut off to form a handle part 9 as a take-out mechanism of the present invention, and the rest is exactly the same as the above embodiment. The handle portion 9 may be formed by cutting off a corner portion of the plate member 2.

As the taking-out means, a cut line (not shown) such as a perforated fold line may be formed in the film 3, and the object 1 may be taken out by breaking the film 3 from the cut line.

In the above embodiment, the fixing means of the present invention is formed by shrink wrapping, but the fixing means is not necessarily formed by shrink wrapping. For example, various tapes may be used.

A packaging apparatus that performs a series of operations of the packaging will be described with reference to fig. 6 and 7.

The packaging device includes a sheet material conveying line 10 for conveying

sheet materials

2, and 1 st to 3 rd box conveying lines 11 to 13 prepared for each box B having different sizes.

Each of the lines 10 to 13 is formed of a so-called orthogonal conveyor belt that can convey a conveyed object along the line and also in a direction orthogonal to the conveying direction.

The plate material conveying line 10 is provided with a known packaging device 14 for shrink-wrapping. On the upstream side of the packaging device 14, a sheet material 2 having a size corresponding to the size of the object 1 to be packaged is selected, and the object 1 to be packaged is placed on the selected sheet material 2 and placed on the sheet material conveying line 10.

The packaging device 14 is provided with a heat-shrinkable film 3 inside, and when the sheet material 2 on which the packaging object 1 is placed is conveyed into the packaging device 14, the packaging object 1 and the sheet material 2 are automatically covered with the film 3.

After the packaging object 1 and the plate material 2 are covered with the film 3, a heater, not shown, in the packaging device 14 is automatically operated to heat and shrink the film 3 and cut it.

Further, on the downstream side of the packaging device 14, the orthogonal conveyor 15 intersects in a direction orthogonal to the conveying direction of the sheet material conveying line 10, and a 1 st gate 16 is provided at a boundary portion between the sheet material conveying line 10 and the orthogonal conveyor 15.

The 1 st gate 16 is controlled to open and close by a control device, not shown, but a 1 st plate material confirmation sensor S1 for determining whether or not the plate material 2 having the object 1 shrink-wrapped therein is present, and a size recognition sensor S2 for reading a recognition mark (not shown) for recognizing the size of the plate material 2 having reached the 1 st gate 16 are provided in the plate material conveying line 10 before the 1 st gate 16.

Further, the 1 st standby line 17 is made to intersect the end portion of the orthogonal conveyor 15, and the 1 st line 18 is made to continue to the 1 st standby line 17.

The 1 st standby line 17 is provided with a 2 nd work sheet confirmation sensor S3 for determining whether or not a work sheet is present, so that it is possible to determine whether or not the work sheet 2 has reached the 1 st standby line 17.

On the other hand, 3 kinds of boxes B are placed in advance on the 1 st to 3 rd box conveying lines 11 to 13, respectively. For example, the smallest box B is placed on the 1 st box conveying line 11, the medium-sized box B is placed on the 2 nd box conveying line 12, and the largest box B is placed on the 3 rd box conveying line 13.

Further, 2 nd to 4 th gates 19 to 21 are provided at the end points of the 1 st to 3 rd box conveying lines 11 to 13, and orthogonal conveyors 22 are made to intersect the 1 st to 3 rd box conveying lines 11 to 13. Therefore, when the 2 nd to 4 th gates 19 to 21 are opened, the boxes B conveyed from the 1 st to 3 rd box conveying lines 11 to 13 are moved to the orthogonal conveyor 22.

Further, the 2 nd standby line 23 is made to cross the end portion of the orthogonal conveyor 22, and the 2 nd line 24 is made to continue to the 2 nd standby line 23.

The 2 nd standby line 23 is provided with a box confirmation sensor S4 for determining whether or not the plate material 2 is present, so that it can be determined whether or not the box B has reached the 2 nd standby line 23.

As shown in fig. 7, the height levels of the 1 st standby line 17 and the 1 st work line 18 and the 2 nd standby line 23 and the 2 nd work line 24 are set higher on the 1 st standby line 17 and the 1 st work line 18 side and lower on the 2 nd standby line 23 and the 2 nd work line 24 side.

The operation of the packaging device will be described next.

First, on the upstream side of the packaging device 14, the sheet material 2 corresponding to the size of the object 1 is selected, and the object 1 is placed on the sheet material 2 and on the sheet material conveying line 10.

The sheet material 2 placed on the sheet material conveying line 10 on the upstream side of the packaging device 14 is fed into the packaging device 14 together with the packaging object 1.

In the packaging device 14, first, the sheet material 2 is covered with the film 3 together with the packaging object 1, and the film 3 is heated to complete the shrink packaging.

The sheet material 2 and the object 1 thus shrink-wrapped are conveyed from the wrapping device 14 to a position immediately downstream of the 1 st gate 16.

Next, in the vicinity of the 1 st gate 16, the presence or absence of the sheet material 2 integrated with the object 1 is checked by the 1 st sheet material checking sensor S1, and the identification mark printed on the sheet material 2 is read by the size recognition sensor S2.

The signals recognized by the 1 st plate material confirmation sensor S1 and the size recognition sensor S2 are inputted to the control device, not shown, and when the plate material 2 is present and the size thereof can be recognized, the control device opens the 1 st gate 16 and places the plate material 2 on the orthogonal conveyor 15. Then, the plate material 2 placed on the orthogonal conveyor 15 is conveyed from the orthogonal conveyor 15 to the 1 st standby line 17, where it is temporarily kept on standby.

On the other hand, the control device to which the size signal of the size recognition sensor S2 is input selects and opens the 2 nd shutter 19 of the cassette conveying line, for example, the 1 st cassette conveying line 11, on which the cassette B having the size corresponding to the size of the plate material 2 is placed.

Therefore, the box B placed on the 1 st box conveying line 11 is conveyed to the 2 nd standby line 23 via the orthogonal conveyor 22, and temporarily stands by there.

As is also clear from the above description, the sheet 2 waiting on the 1 st waiting line 17 and the box B waiting on the 2 nd waiting line 23 have the same size. This is because, as described above, the size of the sheet material 2 is recognized by the size recognition sensor S2, and the gate of the cassette conveying line on which the cassette B corresponding to the size is placed is opened, and the cassette B is conveyed to the 2 nd standby line 23.

As described above, when the plate material 2 and the box B are on standby on the 1 st and 2

nd standby lines

17 and 23, the 2 nd plate material confirmation sensor S3 and the box confirmation sensor S4 confirm the plate material 2 and the box B, respectively, and when the confirmation signal is input to the control device, the control device drives the 1 st and 2

nd standby lines

17 and 23 to convey the plate material 2 and the box B to the 1 st and 2

nd work lines

18 and 24.

In the 1 st and 2

nd lines

18 and 24, the sheet material 2 integrated with the object 1 to be packaged is manually pressed into the box B.

In the packaging apparatus described above, as long as the sheet material 2 is present in the packaging apparatus 14, the control device performs control to prevent another sheet material 2 from being fed into the apparatus.

The control device controls the 1 st to 4

th gates

16, 19 to 21 not to be opened as long as the plate material 2 and the box B are present on the 1 st and 2

nd standby lines

17, 23, respectively.

According to this packaging apparatus, automatic control can be performed from shrink-packaging the sheet material 2 on which the object 1 to be packaged is placed integrally to selecting the box B corresponding to the size of the sheet material 2 and finally associating them.

Further, since the 2 nd line 24 of the transport box B is lower than the 1 st line 18 of the transport box B, the plate material 2 positioned on the 1 st line 18 can be slid down toward the box B side, and the plate material 2 can be pushed into the box B from this position.

The case B is formed with the recess 7, and the pressure-bonding section is pinched by the recess 7 in a state where the plate material 2 is pressed into the case B and is closely attached to the bottom surface 6.

Description of the marks

1 … packaging object, 2 … plate material, 3 … film, B … box, 4 … side sheet, 6 … bottom surface, 7 … dent, 8 … pulling part, 9 … pulling part

Claims

1. A package characterized by comprising: a box including corrugated paper and having a side piece standing from 4 sides of a rectangular bottom surface; a sheet material having at least 4 crimping portions crimped to the 4 side pieces when pressed into the box; and a fixing mechanism for fixing the packaging object placed on the plate;

a depression is formed by overlapping the bottom surface with the crush zone of the bent portion of the side sheet continuing therefrom, and the press-contact portion of the plate material is kept pressed into the depression and clamped,

the plate material is closely attached to the bottom surface of the box together with the packing object in a state where the press-contact portion of the plate material is clamped.

2. The package according to claim 1, wherein: the fixing mechanism comprises a heat shrinkable film, and the object to be packaged and the plate are integrally shrink-packaged by the heat shrinkable film.

3. The package according to claim 1 or 2, wherein: the whole circumference of the plate material constitutes the crimping portion.

4. A packaging method characterized by comprising the steps of: preparing a box having side pieces standing from 4 sides of a rectangular bottom surface, a plate having at least 4 pressure-bonding portions which are pressure-bonded to the 4 side pieces when the box is pushed in, and a heat-shrinkable film wrapping the plate and the object to be wrapped placed thereon; integrally covering the sheet material and the object to be packaged with the heat-shrinkable film; heat-shrinking the film to shrink-wrap the object to be wrapped together with the sheet material; and pressing the crimping part of the shrink-wrapped sheet material into the bent part of the bottom surface and the side sheet continuous therewith, and causing the crimping part to be pinched by a recess formed in the bent part.