JP2004244072A - Method and device for deaeration packaging - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for deaeration packing capable of performing a simple and smooth sealed packaging, when an item to be packaged is packaged in a packaging material. <P>SOLUTION: An approximately semicircular packaged item storing part 86 is formed in a seat 84 corresponding to a paper roll in a temporary packaged item 72. An approximately semicircular recess part 102 is formed in an upper hold block 100. The temporary packaged item is held between the seat and the upper hold block, causing the seat and the upper hold block each formed of an elastic member to closely adhere the packaging film to the peripheral surface of the paper roll. The packaging film is tightly adhered to the end surface of the paper roll with a lateral hold 108 formed of the elastic member, to squeeze out air in the temporary packaged item. At the same time, a lateral hold protrusion 114 is inserted into a core to squeeze out part of the air inside the core, thereby positively and tightly adhering the packaging film to the paper roll. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a deaeration packaging method and a deaeration packaging apparatus in which a roll body in which a photosensitive material or the like is wound around a cylindrical core is wound as a package body, and the package body is degassed and packaged. .
[0002]
[Prior art]
Some TA (Thermo-Autochrome) paper and the like are wrapped in a roll shape around a cylindrical core. When such a roll body is used as a packaged body and hermetically packaged by pillow packaging, packaging is performed while degassing in order to prevent unnecessary air from entering and swelling inside the packaging material that wraps the packaged body. There is a need.
[0003]
As a degassing packaging method for sealing and wrapping a packaged body while deaeration, the air inside the cylindrical packaging material that wraps the packaged body by forming the strip-shaped packaging material into a cylindrical shape and wraps the packaged body The method of heat-sealing the both-end openings of the cylindrical packaging material while sucking is generally used (see, for example, Patent Document 1).
[0004]
By the way, in such a deaeration packaging method, not a little air remains between the packaged body and the packaging material or between the air suction nozzle and the packaged body, and the packaging material adheres to the packaged body. So-called tight sealed packaging having high properties is difficult.
[0005]
From here, in Japanese Patent Application No. 2001-212176, when the fin portions at both ends of the cylindrical packaging material are heat-sealed, one fin portion is temporarily sealed, and a suction nozzle is inserted from this temporary seal portion. It is proposed that the package body and the packaging material are brought into close contact with each other by deaeration.
[0006]
[Patent Document 1]
JP-A-6-1915111
[0007]
[Problems to be solved by the invention]
However, if the temporary seal portion of the fin causes pseudo-adhesion or the temporarily sealed fin portion hangs down, it becomes difficult to insert the suction nozzle from the temporary seal portion, and degassing cannot be performed. Sometimes. For this reason, reliable deaeration and smooth packaging work may become difficult.
[0008]
This invention is made | formed in view of the said fact, and it aims at proposing the deaeration packaging method and the deaeration packaging apparatus which can perform sealing packaging smoothly and reliably.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the deaeration packaging method of the present invention includes a temporary packaging step of provisionally providing a deaeration port in one direction and temporarily packaging the packaging body with a packaging material, and the one of the packaging bodies by an elastic member. A degassing step of squeezing out the air in the packaging material from the degassing opening by closely contacting the packaging material to substantially the entire circumference on the side opposite to the direction and in the direction orthogonal to the one direction; and the packaging And a sealing step of closing the deaeration port while maintaining a state where the body is deaerated by the deaeration step.
[0010]
According to this invention, the deaeration opening is provided in one direction, and the package is temporarily packaged with the packaging material. Thereafter, the elastic member is pressed against the package body from the periphery excluding the direction in which the deaeration port is formed, whereby the packaging material is brought into close contact with the packaging body, and the air in the packaging material is squeezed out from the deaeration port.
[0011]
Thereafter, the packaging material is sealed and packaged with the packaging material by holding the packaging material in close contact with the packaging material and sealing the deaeration port.
[0012]
Thereby, since air suction is not performed, the package body can be smoothly sealed and packaged with the packaging material.
[0013]
In such this invention, when the said to-be-packaged body is the substantially cylindrical shape in which the hollow part was formed, the said deaeration process deaerates at least one part of the air in the said hollow part, It is characterized by the above-mentioned. To do.
[0014]
According to this invention, when packaging a substantially cylindrical packaged body, the air in the hollow part of the packaged body is squeezed out.
[0015]
Thereby, since the internal pressure in the package body in which the packaged body is packaged with the packaging material can be reliably lowered, the state in which the packaging material is closely adhered to the packaged body can be reliably maintained.
[0016]
Such a deaeration packaging apparatus to which the present invention is applied is such that a deaeration port is formed in one direction, the packaged body is deaerated from the temporary package body temporarily packaged by the packaging material, and the packaged body is packaged. A deaeration packaging device for sealing and packaging with a material, wherein an elastic member is pressed toward substantially the entire circumference of the packaged body on one side orthogonal to the one direction in which the deaeration port is provided, thereby closely contacting the packaging material A first deaeration means for deaeration by pressing the elastic member toward the package body from the opposite direction side of the package body to the package body, thereby bringing the packaging material into close contact with the package body. And a second deaeration unit for sealing and a sealing unit for holding the deaeration state by the first and second deaeration units and closing the deaeration port.
[0017]
According to the present invention, the packaging material is brought into close contact with the surface of the package body excluding the deaeration port side by the first and second deaeration means formed using the elastic member, and the inside of the temporary packaging body from the deaeration port. Squeeze out the air. The sealing means maintains this state and closes the deaeration port.
[0018]
Thereby, the package body which sealed the to-be-packaged body with the packaging material easily and smoothly can be formed.
[0019]
In such a degassing packaging apparatus of the present invention, when the packaged body has a cylindrical shape in which a hollow portion is formed, the first degassing means places the cylindrical-shaped peripheral surface on the elastic body. A pressing member that includes at least two divided mold members that surround the packaging material to be in close contact with the surface of the packaged body, and wherein the second degassing means presses the elastic member against one end surface of the cylindrical body What is necessary is just to have.
[0020]
Thereby, the surroundings of the packaged body are surrounded by the mold material, and further, the air in the temporary packaged body can be easily squeezed out by pressing the elastic member to the side opposite to the deaeration port of the packaged body by the pressing member.
[0021]
Further, in the deaeration packaging apparatus of the present invention, the second deaeration means includes a protrusion formed by an elastic member and opposed to the hollow part, and is hollowed by allowing the protrusion to enter the hollow part. A part of the air in the section is deaerated.
[0022]
According to the present invention, the protrusion is inserted into the hollow portion of the substantially cylindrical packaged body, and at least a part of the air in the hollow portion is squeezed out.
[0023]
Thereby, the internal pressure in a temporary package can be reliably lowered | hung and a packaging material can be stuck to a to-be-packaged body.
[0024]
In such this invention, the said projection part can be provided in the said pressing member. Moreover, as a substantially cylindrical body to be packaged, various cylindrical shapes such as a rectangular cylindrical shape and a polygonal cylindrical shape can be applied as well as a cylindrical shape.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, the schematic structure of the deaeration packaging apparatus 10 applied to this Embodiment is shown. In this deaeration packaging apparatus 10, a paper roll 14 obtained by winding TA (Thermo-Autochrome) paper into a roll shape is applied as an example of a packaged body.
[0026]
The TA paper according to the present embodiment is coated on one surface of a support with thermal color formers of, for example, Y (yellow), M (magenta), and C (cyan). When a predetermined heat is applied, the color is developed. From here, it is used to provide high-quality and simple photo prints in streets and stores.
[0027]
As shown in FIG. 2A, the paper roll 14 is formed by winding TA paper around a cylindrical core 12, and this TA paper is set in the image recording apparatus as the paper roll 14. The paper roll 14 is pulled out to form an image. Further, a sheet-like photographic print can be obtained by cutting the TA paper into a length corresponding to the recorded image before or after image recording.
[0028]
Such TA paper is preferably packaged so as to maintain moisture resistance and light shielding properties in order to maintain its properties. From here, in the deaeration packaging apparatus 10, this paper roll 14 is pillow-wrapped using the packaging film 16 (refer FIG. 2 (B)) which is a packaging material provided with moisture resistance and light-shielding property. As a result, as shown in FIG. 2B, a package 18 is formed in which the paper roll 14 (not shown in FIG. 2B) is hermetically packaged by the packaging film 16.
[0029]
As shown in FIG. 1, the deaeration packaging apparatus 10 includes a temporary packaging process 20 and a deaeration sealing process 22. In the temporary packaging step 20, the packaging film 16 is supplied from the packaging film supply unit 24, and the paper roll 14 is supplied from the paper roll supply unit 26. The paper roll 14 and the packaging film 16 are temporarily packaged. The package 18 is formed by being sent to the deaeration sealing step 22 through the step 20.
[0030]
The deaeration packaging apparatus 10 is provided with a plurality of operation panels 30A, 30B, and 30C together with a control panel 28 that controls the operation, and the control panel is based on the operation information input to the operation panels 30B and 30C. 28 controls the operation of the degassing packaging device 10. The deaeration packaging device 10 includes a display panel 32 using a touch panel or the like. The operation state of the deaeration packaging device 10 is displayed on the display panel 32 and predetermined information is displayed by a touch operation on the display panel 32. May be input.
[0031]
The paper roll supply unit 26 is provided with a conveyor 34, and the paper roll 14 is placed on the conveyor 34 and sent to the temporary packaging step 20. At this time, the paper roll 14 is conveyed along the axial direction and fed into the temporary packaging step 20 at regular intervals.
[0032]
In the deaeration packaging apparatus 10, the conveyance direction between the paper roll supply unit 26 and the temporary packaging process 20 is the arrow A direction, and the conveyance direction in the deaeration sealing process 22 is the arrow A direction. It is an arrow B direction which is a direction orthogonal to the direction B.
[0033]
The packaging film supply unit 24 is disposed below the conveyor 34 (paper roll supply unit 26), and a film roll 36 obtained by winding the packaging film 16 in a roll shape is set and attached to a set shaft 38. ing.
[0034]
In the packaging film supply unit 24, the packaging film 16 is pulled out from the film roll 36 and sent to the temporary packaging process 20.
[0035]
The packaging film 16 applied to the present embodiment has a multilayer structure in which a thin film (heat-meltable resin film) made of a heat-meltable resin is formed on at least one of the films. The packaging film 16 is wound so that the surface on the side of the heat-resistant resin film is inward, and the packaging film supply unit 24 has a temporary packaging step so that the surface on the side of the heat-meltable resin film is on the upper surface side. The packaging film 16 is sent to 20.
[0036]
In addition, the sealing film which produces the adhesive force when it heats is apply | coated to the surface which becomes the outer peripheral side with the film roll 36, and the packaging film 16 can seal an outer surface.
[0037]
In addition, a plurality of film rolls 36 can be attached to the packaging film supply unit 24. Thus, when the delivery of the packaging film 16 from one film roll 36 is completed, the next film roll 36 is provided. From 36, the packaging film 16 can be continuously fed out.
[0038]
The paper roll supply unit 26 is provided with a pair of guide plates 40 on the most downstream side of the conveyor 34, and the paper roll 14 is positioned in the conveyance width direction by the pair of guide plates 40, so that the temporary packaging step 20 is performed. It is sent to.
[0039]
The packaging film 16 is fed into the temporary packaging step 20 while passing between the pair of guide plates 40 with the surface on the side of the heat-meltable resin film facing upward. At this time, the packaging film 16 is lifted upward by the pair of guide plates 40 in the width direction.
[0040]
As a result, the paper roll 14 is placed on the packaging film 16 and fed into the temporary packaging step 20 while being wrapped in the packaging film 16.
[0041]
As shown in FIG. 3, a pair of air heaters 42 is provided in the previous stage of the temporary packaging step 20 above the position where the paper roll 14 passes. In the pair of air heaters 42, the distance between the surfaces facing each other is gradually narrowed from the upstream side in the transport direction of the paper roll 14 toward the downstream side. Each of the air heaters 42 is formed with a large number of air blowing holes (not shown) on surfaces facing each other.
[0042]
The packaging film 16 is configured so that both end portions in the width direction lifted so as to wrap the paper roll 14 enter between the pair of air heaters 42. The air heater 42 is connected to the packaging film through an air blowing hole (not shown). Warm air is blown out toward the end portions in the width direction of 16, and the end portions in the width direction of the packaging film 16 are brought close to each other while being heated to bring the heat-meltable resin films into contact with each other.
[0043]
A pair of weighting rollers 44 is disposed on the downstream side of the air heater 42. A plurality of protrusions 44 </ b> A are formed in a stripe shape on the outer periphery of the weight roller 44.
[0044]
The packaging film 16 is fed between the weighting rollers 44 at the end in the width direction in a state where the heat-meltable resin films are in contact with each other. The fabric weight roller 44 heats the packaging film 16 while pressing it by pinching the end portion in the width direction of the packaging film 16.
[0045]
Thereby, as for the film 16 for packaging, the heat-meltable resin films of the edge part of the width direction adhere | attach, and the center seal | sticker part 46 is formed. By forming the center seal portion 46, the packaging film 16 is sent out in a substantially cylindrical shape in which the paper rolls 14 are wrapped at regular intervals.
[0046]
At this time, the protrusions 44 </ b> A formed on the weighting roller 44 enhance the adhesion between the thin films of the heat-meltable resin, and form a plurality of vertical eyes 46 </ b> A on the center seal portion 46 of the packaging film 16.
[0047]
As shown in FIG. 1, a conveyor 48 is provided after the temporary packaging step 20, and the packaging film 16 that wraps the paper roll 14 is conveyed by the conveyor 48.
[0048]
Further, as shown in FIG. 4, the latter stage of the temporary packaging step 20 is a temporary seal portion 50. The paper roll 14 is conveyed in the temporary seal portion 50 by a conveyor 48 (not shown in FIG. 4) while being wrapped by the packaging film 14.
[0049]
The temporary seal portion 50 is provided with two pairs of presser plates 52 and 54 at a predetermined interval. Each of the presser plates 52 and 54 is disposed in pairs on both sides in the transport width direction with the transport path of the packaging film 16 in between. The presser plates 52, 54 have a flat end surface on the packaging film 16 side.
[0050]
Between the presser plate 52 and the presser plate 54, folding plates 56 are provided in the vicinity of the presser plates 52 and 54, respectively. The folding plates 56 are provided in pairs on both sides of the packaging film 16 in the conveyance width direction, and are formed in a substantially triangular shape having a substantially flat plate shape with a leading end projecting toward the packaging film 16 side.
[0051]
The presser plates 52 and 54 are disposed so as to face the packaging film 16 between the paper rolls 14 (not shown in FIG. 4) conveyed at a predetermined interval. Further, the holding plates 52 and 54 and the folding plate 56 are movable toward the packaging film 16.
[0052]
In the temporary seal portion 50, each of the presser plates 52 and 54 stands by at a position away from the packaging film 16 (see FIG. 5A), and the paper roll 14 in the packaging film 16 is conveyed from this position. Synchronously with, it moves toward the packaging film 16.
[0053]
As a result, the presser plates 52 and 54 come into contact with the packaging film 16 so that the packaging film 16 is placed in the axial direction of the paper roll 14 (front and back in FIG. 5B). Direction) at the end.
[0054]
Thereafter, in the temporary seal portion 50, the folding plate 56 is moved toward the packaging film 16, and the intermediate portion in the vertical direction of the packaging film 16 shaped into a substantially rectangular cylindrical shape by the holding plates 52 and 54, It pushes in so that the both sides of the width direction may approach at the substantially triangular front-end | tip part of this folding plate 56 (refer FIG.5 (C)).
[0055]
Thereby, as shown in FIG.5 (D), in the temporary seal | sticker part 50, the upper side and lower side of the packaging film 16 are bent in the direction which mutually approaches.
[0056]
On the other hand, as shown in FIG. 4, the temporary seal portion 50 is provided with a heater block 58 in the vicinity of the press plate 52 on the upstream side in the transport direction of the packaging film 16 and in the vicinity of the press plate 54 on the downstream side in the transport direction. A heater block 60 is provided.
[0057]
The heater block 58 has a substantially flat end surface facing each other. The heater block 58 is formed with a plurality of stripe-shaped protrusions 58 </ b> A along the width direction of the packaging film 16 on the surface facing the packaging film 16.
[0058]
In the heater block 60, a cut 60A is formed at the front end portion of the packaging film 16 facing the heater block 60. This cut 60A is formed at a position facing the intermediate portion in the width direction of the packaging film 16, and the heater block 60 has a surface along the width direction of the packaging film 16 on the surface excluding the cut 60A. A plurality of stripe-shaped protrusions 60B are formed.
[0059]
The temporary sealing portion 50 is provided with a cutting blade 62. The cutting blade 62 is disposed between the heater blocks 58 and 60 so as to be offset toward the heater block 58 side. Each of the heater blocks 58 and 60 and the cutting blade 62 is moved toward the packaging film 16.
[0060]
As shown in FIG. 6A, the heater blocks 58 and 60 are opposed to the packaging film 16 between the paper rolls 14 arranged at predetermined intervals in the packaging film 16 formed in a substantially cylindrical shape. To do.
[0061]
In the temporary seal portion 50, the packaging film 16 in this region is shaped into a substantially rectangular shape by the holding plates 52 and 54, and the folding plate 56 can be folded so that the upper side and the lower side are close to each other. (See FIG. 5C). 6A to 6C, the presser plates 52 and 54 and the folding plate 56 are not shown.
[0062]
Thereafter, the packaging film 16 is sandwiched by the heater blocks 58 and 60 in the temporary seal portion 50. Thereby, as shown in FIG. 6 (B), the packaging film 16 is in contact with the upper side and the lower side between the heater blocks 58 and 60, and the paper roll 14 and the heater blocks 58 and 60 accommodated therein. A substantially triangular gusset portion 64 is formed by the substantially folding plate 56 when viewed from the outer side in the conveyance width direction.
[0063]
That is, as shown in FIG. 5D, the packaging film 16 is bent between the paper rolls 14 so that the upper side and the lower side are in contact with each other. 5D shows a state in which the presser plates 52 and 54 and the folding plate 56 are retracted after the packaging film 16 is sandwiched between the heater blocks 58 and 60. FIG.
[0064]
The packaging film 16 is heated by being sandwiched between the heater blocks 58. Thereby, the fin part 66 in which the heat-meltable resin films are bonded and sealed is formed on the packaging film 16. At this time, the packaging film 16 is surely pressure-bonded by the protrusions 58A formed on the heater block 58 while forming a streak-like horizontal line (not shown, see horizontal line 68A described later) on the fin part 66. Be joined.
[0065]
Further, when the packaging film 16 is sandwiched between the heater blocks 60, both end portions in the width direction excluding the region facing the notch 60 </ b> A are heated and bonded while being pressed to form a fin portion 68. That is, the heater block 60 joins the packaging film 16 in a state where an intermediate portion in the conveyance width direction of the packaging film 16 is opened. At this time, stripe-shaped horizontal eyes 68A (see FIG. 7) are formed in the fin portion 68 at both ends in the width direction. The horizontal line of the fin portion 66 has a shape in which the horizontal line 68A is continuous in the width direction of the packaging film 16.
[0066]
As shown in FIG. 6C, in the temporary seal portion 50, when the packaging film 16 is sealed at a predetermined position by the heater blocks 58 and 60, the packaging film 16 is cut by the cutting blade 62. Thereby, the temporary packaging body 72 which temporarily wrapped the paper roll 14 with the packaging film 16 is formed on the heater block 60 side.
[0067]
At this time, in the temporary package 72, the intermediate portion in the width direction of the fin portion 68 is not heated by the cut 60A formed in the heater block 60, so that the deaeration port 70 (see FIG. 5 (D)) is formed. Further, as shown in FIG. 6C, the cut blade 62 is arranged so as to be biased toward the heater block 58, whereby the temporary package 72 has a fin portion 68 in which a deaeration port 70 is formed. However, it is longer than the fin portion 66.
[0068]
By the way, as shown in FIG.1 and FIG.7, the deaeration packaging apparatus 10 is provided with the deaeration sealing process 22 adjacent to the temporary packaging process 20, and the temporary production produced in the temporary packaging process 20 is carried out. The package 72 is sent to the deaeration and sealing process 22.
[0069]
As shown in FIG. 7, the deaeration sealing step 22 includes an introduction part 74, a deaeration part 76, a seal part 78, a fin folding part 80, and a delivery part 82. It arrange | positions along the direction (arrow B direction) orthogonal to the conveyance direction of the paper roll 14 (temporary packaging body 72) in the packaging process 20. FIG.
[0070]
In this deaeration and sealing step 22, a pedestal 84 for placing and holding the temporary package 72 sent from the temporary wrapping step 20, and this pedestal 84 is conveyed from the introduction part 74 toward the sending part 82. A conveyor 86 is provided. In the deaeration and sealing step 22, the pedestal 84 that has reached the delivery part 82 is conveyed by a conveyor (not shown) and returned to a predetermined position of the introduction part 84.
[0071]
As shown in FIGS. 7 and 8, the pedestal 84 has a substantially block shape in which a groove-shaped package housing portion 88 is formed. The packaging body accommodating portion 88 has an axial direction of the temporary packaging body 72 in which the paper roll 14 (not shown) fed from the temporary packaging process 20 is temporarily packaged (hereinafter, this direction is referred to as the temporary packaging body 72 or the packaging body 18). The package body accommodating portion 88 has a cross section of the pedestal 84 along the direction orthogonal to the groove direction matched to the outer diameter of the paper roll 14 in the temporary package body 72. It is almost semicircular.
[0072]
As shown in FIG. 7, the temporary packaging body 72 is accommodated in the packaging body accommodating portion 88 of the pedestal 84 by being sent to the introduction portion 74 from the temporary packaging step 20.
[0073]
A stop plate 90 is disposed in the introduction portion 74 on the downstream side in the transport direction of the temporary packaging body 72 from the temporary packaging step 20. In addition, the introduction portion 74 is provided with a holding plate 92 on the temporary packaging step 20 side. The holding plate 92 can be projected and retracted in the transport path of the temporary packaging body 72 and is directed toward the stop plate 90. It is movable.
[0074]
In the introduction part 74, when the temporary packaging body 72 fed from the temporary packaging process 20 enters the packaging body accommodating part 88 of the base 84, the temporary packaging body 72 is pressed toward the stop plate 90 by the holding plate 92. The temporary packaging body 72 is positioned on the pedestal 84 by moving and bringing the temporary packaging body 72 into contact with the stop plate 90.
[0075]
The pedestal 84 in which the temporary package 72 is positioned and accommodated is moved from the introduction part 74 to the deaeration part 76.
[0076]
As shown in FIG. 8, the depressurization unit 76 is provided with an upper presser block 100 above the pedestal 84. The upper presser block 100 is attached to the substrate 102, and a groove-like recess 104 is formed on the surface on the base 84 side.
[0077]
The recess 104 is formed such that the groove direction is along the axial direction of the temporary package 72. Further, the recess 104 is formed so that the cross section of the upper presser block 100 along the direction orthogonal to the groove direction has a substantially semicircular shape matching the outer diameter of the paper roll 14.
[0078]
As a result, by overlapping the pedestal 84 and the upper presser block 100, a cavity matching the outer diameter of the paper roll 14 is formed by the package housing portion 88 of the pedestal 84 and the recess 104 of the upper presser block 100.
[0079]
The upper presser block 100 is provided with elevating means 106 that moves the upper presser block 100 up and down using an air cylinder or the like as a driving source. When stopped at a position facing the presser block 100, the upper presser block 100 is moved downward.
[0080]
As shown in FIGS. 9A and 10A, in the deaeration unit 76, the upper presser block 100 is moved downward to move the temporary package 72 into the package holder 88 of the base 84 and the upper presser block. The temporary packaging body 72 is fitted between the recesses 104 to surround the temporary packaging body 72 between the base 84 and the upper presser block 100, and the temporary presser block 100 is pressed against the base 84 by the upper presser block 100.
[0081]
As a result, the packaging film 16 around the temporary packaging body 72 has the peripheral surface of the paper roll 14 (not shown in FIG. 9A), the inner surface of the packaging body accommodating portion 88 of the base 84, and the concave portion of the upper press block 100. It is tightly sandwiched between the inner surface of the paper 104 and is in close contact with the peripheral surface of the paper roll 14.
[0082]
In the temporary packaging body 72, air is pushed out from between the peripheral surface of the paper roll 14 and the packaging film 16 when the packaging film 16 is in close contact with the peripheral surface of the paper roll 14.
[0083]
The pedestal 84 applied to the present embodiment is formed of, for example, a neoprene sponge having a hardness of 10 ° ± 5 ° (5 ° to 15 °), and the upper presser block 100 has a density of 40 ± 2 kg / m. ³ It is made of urethane foam.
[0084]
As a result, when the temporary packaging body 72 is sandwiched between the pedestal 84 and the upper presser block 100, the packaging film 16 is in close contact with the peripheral surface of the paper roll 14 in the temporary packaging body 72, so that the packaging It is possible to prevent the film 16 from being damaged.
[0085]
On the other hand, as shown in FIG. 8, the deaeration part 76 is provided with a lateral presser 108 so as to face the fin part 66 of the temporary packaging body 72 accommodated in the base 84. The side presser 108 is formed in a rectangular block shape facing the end surface of the temporary packaging body 72 on the fin portion 66 side, and is attached to the substrate 110.
[0086]
The lateral retainer 108 is provided with moving means 112 for moving the lateral retainer 108 toward the pedestal 84 using an air cylinder or the like as a drive source.
[0087]
As shown in FIGS. 9B and 10B, in the deaeration unit 76, when the periphery of the temporary packaging body 72 is surrounded by the pedestal 84 and the upper presser block 100, the side presser 108 is moved to the end surface of the temporary packaging body 72. The packaging film 16 on the fin portion 66 side is sandwiched between the lateral presser 108 and the end surface of the paper roll 14.
[0088]
In the present embodiment, the lateral presser 108 has a density of 40 ± 2 kg / m. ³ Accordingly, the lateral presser 108 is elastically deformed, and the packaging film 16 is pressed tightly against the end surface of the paper roll 14 so that the space between the end surface of the paper roll 14 and the packaging film 16 is increased. The air is pushed out.
[0089]
Further, as shown in FIG. 8, the lateral retainer 108 is formed with a substantially cylindrical lateral retainer protrusion 114.
[0090]
As shown in FIGS. 10 (A) and 10 (B), the lateral presser protrusion 114 is accommodated in the temporary packaging body 72 positioned by being pressed against the pedestal 84 by the upper presser block 100. It faces 14 cores 12.
[0091]
Further, the lateral pressing protrusion 114 has an outer diameter d smaller than the inner diameter D of the core 12 (D> d), and when the lateral pressing 108 is pressed against the end surface of the temporary packaging body 72 (paper roll 14). The lateral presser protrusion 114 enters the core 12 while pressing the packaging film 16 forming the fin portion 66 into the core 12 of the paper roll 14. As shown in FIGS. 10A and 10B, the deaeration unit 76 is provided with a press plate 116 on the fin portion 68 side of the temporary package 72, and the press plate 116 temporarily fixes the press plate 116. The package 72 is prevented from moving.
[0092]
In the present embodiment, the lateral pressing protrusion 114 is formed using a neoprene sponge having a hardness of about 10 ° ± 5 ° (5 ° to 15 °).
[0093]
As a result, as shown in FIG. 10B, the lateral presser protrusion 114 does not damage the packaging film 16 by pushing the packaging film 16 into the core 12 while being elastically deformed. .
[0094]
Further, the outer diameter d of the lateral presser protrusion 114 is set such that the packaging film 16 is not sandwiched between the core 12 when the lateral presser protrusion 114 is elastically deformed and expanded in diameter. . In the present embodiment, as an example, when the inner diameter D of the core 12 is 51 mm, the outer diameter d of the lateral pressing protrusion 114 is about 40 mm, and the height h, which is the protruding amount of the lateral pressing protrusion 114, is set. By setting the width to 25 mm, the diameter of the lateral presser protrusion 114 is increased to about 40 mm so as to enter the core 12 by about 15 mm to 20 mm.
[0095]
In the temporary package 72, when the side presser protrusion 114 enters the core 12, a part of the air in the core 12 is pushed out from the core 12.
[0096]
In the temporary package 72, a deaeration port 70 (see FIG. 5D) is formed on the fin portion 68 side.
[0097]
From here, in the temporary package 72, the air pushed out from between the peripheral surface of the paper roll 14 and the packaging film 16 by the pedestal 84 and the upper holding block 100, and the end face of the paper roll 14 on the fin portion 66 side by the side presser 108. The air pushed out from the vicinity and the air pushed out from the inside of the core 12 by the lateral presser projection 114 are discharged from the deaeration port 70.
[0098]
As shown in FIG. 8, the deaeration unit 76 is provided with a mouthpiece 118 on the fin portion 68 side of the temporary packaging body 72 accommodated in the pedestal 84. The presser foot 118 is formed by an upper presser plate 120 provided on the upper side across the fin portion 68 of the temporary package 72 and a presser plate 122 provided on the lower side.
[0099]
The upper presser plate 120 and the lower presser plate 122 are arranged along the width direction of the fin portion 68 (the direction perpendicular to the axial direction of the temporary packaging body 72), and are longer than the width dimension of the fin portion 68. Yes.
[0100]
Further, the mouth retainer 118 includes elevating means 124 and 126 for moving the upper retainer plate 120 and the lower retainer plate 122 up and down by a driving force of a driving source such as an air cylinder.
[0101]
In the deaeration unit 76, when the air in the temporary package 72 is pushed out by the pedestal 84, the upper presser block 100 and the side presser 108 (see FIG. 9B), as shown in FIG. 126, the upper presser plate 120 is lowered and the lower presser plate 122 is raised, and the fin portion 68 of the temporary packaging body 72 is sandwiched between the upper presser plate 120 and the lower presser plate 122.
[0102]
Thereby, as for the temporary package 72, the deaeration port 70 provided in the fin part 68 is obstruct | occluded.
[0103]
In the deaeration unit 76, when the deaeration port 70 is closed by sandwiching the fin portion 68 of the temporary packaging body 72 by the upper presser plate 120 and the lower presser plate 122, as shown in FIG. While separating from the temporary packaging body 72, the upper presser block 100 is raised and the pressure of the temporary packaging body 72 is released.
[0104]
Thereafter, the base 84 is moved from the deaeration part 76 to the seal part 78. At this time, the upper presser plate 120 and the lower presser plate 122 move to the seal portion 78 integrally with the pedestal 84 in synchronization with the movement of the pedestal 84.
[0105]
Thereby, the temporary package 72 after the deaeration process is in a state where the fin portion 68 is sandwiched between the upper presser plate 120 and the lower presser plate 122 and the deaeration port 70 is closed (see FIG. 11B). It is moved to the seal part 78 as it is.
[0106]
As shown in FIG. 7, the seal portion 78 is provided with heater blocks 128 and 130 on the fin portion 68 side where a deaeration port 70 (not shown in FIG. 7) is formed. The heater blocks 128 and 130 are arranged in pairs above and below the fin portion 68 and can move toward the fin portion 68.
[0107]
Further, the heater blocks 128 and 130 have a substantially flat plate-like surface facing the fin portion 68, and are formed in a stripe shape along the width direction of the fin portion 68 on the surface facing the fin portion 68. A plurality of protrusions 132 are provided.
[0108]
In the seal portion 78, the fin block 68 of the temporary package 72 is sandwiched and heated by moving the heater blocks 128 and 130. Thereby, in the seal part 78, the heat-meltable resin films of the packaging film 16 forming the fin part 68 are bonded to each other to close the deaeration port 70, and the paper roll 14 is sealed in the packaging film 16. The package 18 is formed. At this time, the fin portion 68 is reliably sealed by forming a horizontal eye 68B (see FIG. 2B) by the protrusions 132 of the heater blocks 128 and 130.
[0109]
In the deaeration and sealing step 22, the heater blocks 128 and 130 are moved in the seal portion 78 to sandwich the fin portion 68 of the temporary package 72, and then the upper presser plate 120 is raised and the lower presser plate 122 is moved. The closed state of the deaeration port 70 by the mouth retainer 118 is released. After that, the upper presser plate 120 and the lower presser plate 122 that have released the closed state of the deaeration port 70 are returned to the deaeration unit 76 so that the next temporary package 72 can be processed in the deaeration unit 76. To.
[0110]
As shown in FIG. 7, a fin folding portion 80 is provided on the downstream side of the seal portion 78. The fin folding portion 80 is provided with a fin folding plate 134 on the fin portion 68 side of the package 18. The fin folding plate 134 is provided in pairs above and below the fin portion 68 of the package 18, and the surfaces facing the fin portion 68 are inclined so that the opposite side to the package 18 becomes lower.
[0111]
In the fin folding part 80, the fin part 68 of the package 18 is pinched by the fin folding plate 134 by moving the fin folding plate 134 in a direction approaching each other. At this time, in the fin folding portion 80, the surface of the fin folding plate 134 that contacts the fin portion 68 is heated and maintained at a predetermined temperature, so that the packaging film 16 forming the fin portion 68 is thermally melted. The heat-resistant resin film is heated to apply a so-called crease along the inclination of the fin folding plate 134.
[0112]
Further, a presser plate 136 is disposed on the fin folding portion 80 on the fin portion 66 side of the package 18. The pressing plate 136 can be moved in the axial direction of the package 18 by a moving means (not shown).
[0113]
The package 18, which is folded at the fin portion 68 by the fin folding plate 134, is moved from the fin portion 66 side to the fin folding plate 134 side by the press plate 136, so that the fin portion 68 is moved by the fin folding plate 134. The fin portion 66 is pressed by the press plate 136 while being pressed.
[0114]
Thereby, as shown in FIG. 2B, the package 18 is folded so that the fin portions 66 and 68 are along the end surface of the package 18.
[0115]
As shown in FIGS. 1 and 7, a discharge conveyor 138 is disposed adjacent to the delivery portion 82, and the package 18 in which the fin portions 66 and 68 are folded is sent to the delivery portion 82. As a result, the delivery part 82 takes out the base 84 and places it on the discharge conveyor 138. Thereby, the package 18 becomes a product for shipment by being packed in a cosmetic box, for example.
[0116]
In the deaeration and sealing process 22 of the deaeration packaging apparatus 10 configured as described above, when the temporary package 72 in which the paper roll 14 is temporarily packaged with the packaging film 16 is fed from the temporary packaging process 20, The temporary packaging body 72 is positioned and accommodated on the pedestal 84 by the introduction part 74 adjacent to the packaging step 20, and the pedestal 84 is moved to the deaeration part 76.
[0117]
In the deaeration unit 76, when the pedestal 84 that accommodates the temporary packaging body 72 faces the upper presser block 100, the upper presser block 100 is lowered to press the temporary packaging body 72 against the pedestal 84, whereby the paper roll 14. The packaging film 16 covering the peripheral surface of the paper roll 14 is pressed tightly against the peripheral surface of the paper roll 14 to push out air from between the peripheral surface of the paper roll 14 and the packaging film 16 (FIG. 9A and FIG. 9). 10 (A)). This air is pushed out from a deaeration port 70 formed in the fin portion 68.
[0118]
Thereafter, in the deaeration unit 76, the horizontal presser 108 is moved, and the horizontal presser 108 is pressed against the fin portion 66 side of the temporary package 72 (see FIGS. 9B and 10B). Thereby, the packaging film 16 is brought into close contact with the end surface of the paper roll 14 on the fin portion 66 side, and air between the end surface of the paper roll 14 and the packaging film 16 is pushed out.
[0119]
Since the periphery of the temporary package 72 is surrounded by the pedestal 84 and the upper presser block 100, the air wraps around the fin portion 68 and is discharged from the deaeration port 70 of the fin portion 68.
[0120]
Further, the lateral retainer 108 is provided with a lateral retainer protrusion 114, and the lateral retainer protrusion 114 enters the core 12 of the paper roll 14. Thereby, a part of the air in the core 12 is discharged from the deaeration port 70.
[0121]
By sealing the fin portion 68 of the temporary package 72 thus deaerated with the seal portion 78, the package 18 in which the packaging film 16 is adhered to the paper roll 14 is obtained.
[0122]
As described above, in the deaeration packaging device 10, when air is deaerated from the temporary packaging body 72, air suction is not performed, so an air suction nozzle is inserted into the deaeration port 70 formed in the fin portion 68. This eliminates the need for cumbersome processes to be performed, and enables smooth pillow packaging.
[0123]
In addition, this Embodiment demonstrated above does not limit the structure of this invention. For example, in the present embodiment, the paper roll 14 in which TA paper is wound in a roll shape is described as a packaged body, but the packaged body to which the present invention is applied is not limited to this, for example, The outer shape may be any cylindrical shape such as a roll obtained by winding a belt-like member such as an arbitrary photosensitive material such as a photographic film or photographic paper around the core 12 in a roll shape.
[0124]
In addition, the package body of the present invention is not limited to a cylindrical shape, and is not limited to a cylindrical shape as long as it has a cylindrical shape, and any shape such as a quadrangular prism shape or a polygonal column shape can be applied.
[0125]
For such a substantially cylindrical body to be packaged, the internal pressure in the temporary package can be reliably reduced by performing deaeration from the inside of the hollow portion, so that accurate and efficient sealed packaging is performed. be able to.
[0126]
Furthermore, since the present invention is to attach the packaging material to the package body at least using an elastic member, any shape such as a cylindrical shape or a rectangular box shape is applied as the package body. Can do.
[0127]
At this time, since the packaging material is brought into close contact with the periphery of the package body excluding the deaeration port side, tight packaging of the package object with the packaging material is possible.
[0128]
【The invention's effect】
As described above, according to the present invention, the packaging material is brought into close contact with the packaging body by the elastic member, and the air is squeezed out from the temporary packaging body. Thereby, sealing packaging can be performed easily and smoothly without performing air suction.
[0129]
In addition, in the present invention, when the packaged body has a substantially cylindrical shape, it is possible to perform reliable sealed packaging in which the internal pressure in the packaged body is lowered in order to squeeze out air from the hollow portion of the packaged body. An excellent effect is obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view of a main part showing a schematic configuration of a deaeration packaging apparatus applied to the present embodiment.
2A is a schematic perspective view showing a paper roll applied as an example of a packaged body, and FIG. 2B is a schematic perspective view showing a package in which the paper roll is hermetically packaged.
FIG. 3 is a perspective view of a main part showing a schematic configuration of a previous stage of a temporary packaging process.
FIG. 4 is a perspective view of a main part showing a schematic configuration of a temporary seal portion that is a latter stage of the temporary packaging step.
FIGS. 5A to 5D are schematic views of the main part of the temporary seal portion viewed from the conveyance direction side, and shaping of the packaging film at the temporary seal portion in the order of FIGS. Shows the flow.
FIGS. 6A to 6C are schematic configuration diagrams of the main part of the temporary seal portion as viewed from the direction orthogonal to the conveyance direction, and the flow of the temporary seal in the order of FIGS. Show.
FIG. 7 is a perspective view of a principal part showing a schematic configuration of a deaeration sealing process applied to the present embodiment.
FIG. 8 is a perspective view of a main part showing a schematic configuration of a deaeration unit.
FIG. 9A is a schematic perspective view of a main part of a deaeration part showing a state in which the periphery of the temporary packaging body is deaerated, and FIG. 9B is a deaeration part showing a state where air is further deaerated from the end face of the temporary packaging body. It is a principal part schematic perspective view of.
FIG. 10A is a schematic cross-sectional view of a main part of a deaeration portion along the axial direction of the temporary package body showing a state where the periphery of the temporary package body is deaerated, and FIG. It is a principal part schematic sectional drawing of the deaeration part along the axial direction of the temporary package which shows the state deaerated.
FIG. 11A is a schematic perspective view of a main part of a deaeration part showing a state where the deaeration port is closed, and FIG. 11B shows a state where the pressure of the temporary packaging material is released while the deaeration port is closed. It is a principal part schematic perspective view of a deaeration part.
[Explanation of symbols]
10 Deaeration packaging equipment
12 core
14 Paper roll (package)
16 Packaging film (packaging material)
18 Package
20 Temporary packaging process
22 Deaeration sealing process
50 Temporary seal
68 Fin (Deaeration mouth side)
70 Deaeration mouth
72 Temporary packaging
76 Deaeration part (deaeration process)
78 Sealing part (sealing process)
84 pedestal (first degassing means, mold material)
100 Upper presser block (first degassing means, mold material)
106 Lifting means (first degassing means)
108 Side presser (second degassing means)
112 Moving means (second degassing means)
114 Lateral presser protrusion (second degassing means, protrusion)
118 Mouth presser (sealing means)
128, 130 Heater block (sealing means)

Claims (6)

A temporary packaging step in which a deaeration port is provided in one direction and the package is temporarily packaged with a packaging material;
The air in the packaging material is squeezed out from the deaeration port by bringing the packaging material into close contact with the entire circumference of the direction opposite to the one direction of the package body and the direction side orthogonal to the one direction by an elastic member. A degassing step to degas,
A sealing step of closing the deaeration port while maintaining the state in which the package is deaerated by the deaeration step;
A degassing packaging method comprising: The at least part of the air in the hollow portion is degassed in the degassing step when the package body has a substantially cylindrical shape with a hollow portion formed thereon. Deaeration packaging method. A deaeration packaging device that forms a deaeration port in one direction, deaerates from a temporary packaging body temporarily packaged with a packaging material, and seals and wraps the packaged body with a packaging material,
First degassing means for degassing by pressing an elastic member toward the substantially entire circumference of the packaged body on the direction orthogonal to the one direction provided with the degassing port; and
A second deaeration means for degassing by pressing an elastic member from the opposite direction side of the packaged body toward the packaged body and bringing the packaging material into close contact with the packaged body;
Sealing means for holding the deaerated state by the first and second deaeration means and closing the deaeration port;
A deaeration packaging device comprising: When the packaged body has a cylindrical shape in which a hollow portion is formed, the first deaeration means surrounds the cylindrical surface of the cylindrical body with the elastic body, and the packaging material is disposed on the packaged body. A mold material divided into at least two parts to be in close contact with the surface;
The deaeration packaging apparatus according to claim 3, wherein the second deaeration means includes a pressing member that presses the elastic member against one end face of the cylindrical body. The second degassing means includes a protrusion formed by an elastic member and facing the hollow portion, and degass part of the air in the hollow portion by allowing the protrusion to enter the hollow portion. The deaeration packaging apparatus according to claim 4. The deaeration packaging apparatus according to claim 5, wherein the protrusion is provided on the pressing member.

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