JP4832492B2 - How to close the packaging box - Google Patents

Description

  In the present invention, after storing a pillow package wrapped with a product such as food in a box body portion of a packaging box having a lid portion with a plug-in flap portion, the flap portion is placed inside the box body. The present invention relates to a method for closing a lid of a packaging box that is inserted to close the lid.

  A flap insertion device has been proposed in which a product is stored in a box body portion of a packaging box having a lid portion with an insertion flap portion, and then the flap portion is inserted inside the box body to close the lid. (For example, refer to Patent Document 1).

  FIG. 10 shows the operation of a conventional flap insertion device for closing a packaging box A having a lid portion A2 with a flap portion A3 for insertion and a box body portion A1 to which the lid portion A2 is connected. It is a schematic explanatory drawing shown. The flap insertion device shown in FIG. 10 includes a pressing member B that bends the lid A2 toward the upper opening of the box body A1, and a box body while folding the flap A3 provided at the free end of the lid A2. A guide member C for guiding to the opening of A1 is provided. The guide member C has an arc surface C1 that guides the flap portion A3 to the opening of the box body portion A1 when the lid portion A2 is closed.

  Furthermore, an introduction piece D for guiding the flap portion A3 to the inside of the box body portion A1 is provided at the lower end of the arc surface C1 of the guide member C. When the introduction piece D is inserted into the box body A1, the guide member C moves from the inside to the outside of the box body A1, and causes the introduction piece D to be along the inside of the side surface of the box body A1. It is like that.

  Further, the conventional flap insertion device also includes a suction portion E that sucks the side surface of the box body A1 and widens the side surface outward.

As described above, in the apparatus shown in FIG. 10, the flap portion A3 is bent along the arc surface C1 of the guide member C while the lid portion A2 is bent by the pressing member B, and directed toward the opening of the box body portion A1. Further, the flap portion A3 is inserted into the inside of the box body A1 by the introduction piece D provided at the lower end of the guide member C.
JP 2001-278204 A

  By the way, when storing a pillow package that wraps a product such as food in a packaging box, this pillow package generally has a plastic sheet laminated in a cylindrical shape and seals both ends of the cylinder portion. Since the package is formed, it is usually stored in the packaging box in a state where both ends of the cylindrical portion of the pillow package are bent.

  Thus, when the pillow package in which both ends of the cylindrical portion are folded is accommodated in the packaging box, the folded portion is located at a position where the flap portion of the packaging box is inserted. The part contacts, and the malfunction that the insertion operation of the said flap part cannot be performed smoothly arises.

  Therefore, in order to smoothly perform the operation of inserting the flap portion, the flap portion is formed by adsorbing the side surface at the position where the flap portion A3 is inserted in the box main body portion A1 by the adsorption portion E and spreading it outward. A3 is inserted into the box body A1.

  However, even if the side surface of the box body A1 is widened by the suction part E, the folded part of the pillow package also spreads due to the elastic repulsive force of the plastic sheet along with this spreading operation, and the folded part still interferes As a result, there arises a problem that the flap portion cannot be smoothly inserted.

  The present invention provides a lid closing method for a packaging box, in which the flap part can be smoothly inserted into the inside of the box body part without the flap part interfering with the package.

  The method for closing a packaging box according to the present invention includes: a package body having a four-sided side and a rectangular bottom surface; A method for closing a packaging box, wherein the opening is covered with a covered lid, and a flap formed on a free end of the lid is inserted into the box opening to close the lid. A package storage step for storing an object in the box main body, and in a state where the side surface of the box main body is held by a holding means, the bottom surface of the box main body is pushed upward by a push-up means, and the packaging A package projecting step for projecting an object from the opening of the box body, and a lower end portion of a guide means having a guide surface extending in a vertical direction at a portion projecting from the box body of the package. Press toward the inside of the In a state where the package is separated from the inner surface of the box body, and the package is pressed by the guide means, the upper surface of the lid is pushed downward by the pushing means, A flap portion inserting step for inserting the flap portion between the inner surface of the box main body portion and the package while bringing the front end of the flap portion into contact with the guide surface of the guide means.

  According to the packaging box lid closing method of the present invention, before the lid portion is closed, a part of the package is protruded from the box body portion, and the flap portion is located inside the box body portion. The protruding portion can be pressed by the guide means so as to be separated from the inner surface of the box body until it is inserted. As a result, even if the package is in close contact with the inner surface of the box main body before closing the lid, the flap is held by the guide by the guide means. It can be smoothly inserted into the inside of the box body while being guided by the guide surface of the member.

  Further, in the packaging box lid closing method of the present invention, when the package is a pillow package having seal portions at both ends of the tube portion, the package storage step is performed at both ends of the tube portion. The pillow package in a folded state is accommodated in the box body so that the folded portion comes into contact with the flap portion, and the package projecting step includes the folded portion of the pillow package in the box body. The package separating step includes pressing the bent part protruding from the box main body part toward the inside of the box main body part by the guide means, and pressing the bent part to the inner side of the box main body part. The flap portion insertion step is spaced apart from the inner surface of the box body portion, and the front end of the flap portion is placed on the flat portion of the guide means in a state where the bent portion is pressed by the guide means. It is preferred to insert between the bent portion and the inner surface of the box main body while contact.

  According to the method for closing the lid of the packaging box of the present invention, the package is a pillow package, and even when this pillow package is accommodated so as to face the flap portion in a state where the ear portion is folded, A part of the folded portion of the pillow package is protruded from the box body, and the folded portion is separated from the inner surface of the box body until the flap is inserted inside the box body. It is possible to hold it down with the guide means. As a result, the flap portion can be smoothly inserted inside the box body portion while being guided by the guide surface of the guide member without interfering with the folded portion of the pillow package.

  In the lid closing method for a packaging box according to the present invention, the holding means is preferably an adsorber that sucks and adsorbs a side surface of the box body. By making the holding means the adsorber, the side surface of the box body can be easily and reliably held, so that the bottom surface of the box body is pushed upward by the push-up means. However, the said side can be maintained in a predetermined position, and the said package can be reliably protruded from the said box main-body part.

  In the lid closing method of the packaging box according to the present invention, it is preferable that the guide means is movable in the horizontal direction and the vertical direction, and the inclination angle of the flat portion can be adjusted. By configuring the guide means in this way, the operation of pressing the package and the operation of guiding the flap portion into the box body portion can be performed satisfactorily. In particular, when the package is a pillow package, the bent portion can be reliably pressed down, so that the guiding operation of the flap portion into the box body portion can be performed satisfactorily.

  As described above, according to the packaging box lid closing method of the present invention, in the state before the lid portion is closed, the package is in contact with the inner surface of the box body portion. Even if it is accommodated, the package can be pressed against the inner surface of the box body by the guide means. As a result, the flap portion can be reliably guided to the inside of the box body portion by the guide surface of the guide means, and the flap portion can be smoothly inserted inside the box body portion.

  Hereinafter, an embodiment of a lid closing method for a packaging box according to the present invention will be described with reference to the drawings. In the present embodiment, as shown in FIG. 1, an example of a method of closing a packaging box lid when three pillow packages 1 are boxed in a packaging box 2 will be described. The boxed object according to the packaging box lid closing method in the present embodiment is, for example, a pillow package 1 in which a product such as a candy is wrapped. In the pillow package 1, generally, a plastic sheet is laminated in a cylindrical shape, and both ends of the cylinder part are sealed to form a pillow type package. As shown in FIG. 1, the pillow package 1 is packaged in a state where both ends of the cylindrical portion are bent.

  The packaging box 2 according to the present invention includes a rectangular parallelepiped box-shaped box main body 21 and a lid 22 connected to one side of the upper opening 21 a of the box main body 21. The box is made of cardboard, corrugated paper, plastic sheet or the like. At the free end of the lid portion 22, a flap portion 23 that is inserted inside the box body portion 21 is formed.

  Each pillow package 1 has a plastic sheet laminated in a cylindrical shape and seals both ends of the tube portion to form a package. In the present embodiment, the pillow package 1 is stored in the packaging box 2 in a state where both ends of the cylindrical portion are bent.

  And the lid closing method of the packaging box according to the present embodiment uses the lid closing device 3 to align the pillow package 1 in which both ends of the cylinder portion are bent in the box body portion 21 of the packaging box 2. The flap portion 23 of the lid portion 22 is inserted inside the box body portion 21 and the lid is closed.

  FIGS. 2 to 9 show a work process when the lid 2 is used to close the packaging box 2 containing the pillow package 1 using the lid closing device 3. As shown in FIG. 2, the lid closing device 3 includes an adsorber 4 (holding means) that holds a side surface of the box body 21, a push-up means 5 that pushes up the bottom surface 21 b of the box body 21, and a lid 22. Pushing means 6 for pushing toward the main body portion 21 and a plate-like guide member 7 (guide means) for guiding the flap portion 23 to the inside of the box main body portion 21 are provided.

  The adsorber 4 is disposed so as to face the side surface of the box main body 21, and the adsorber 4 can move in the horizontal direction. In the present embodiment, the adsorber 4 adsorbs the side surface (hereinafter referred to as the front surface 21 c) of the side opposite to the side where the lid portion 22 in the box main body 21 is provided continuously. By adsorbing the adsorber 4 to the front surface 21c of the box body 21, the box body 21 is prevented from moving up and down.

  The push-up means 5 is disposed below the packaging box 2 and includes a plate-like push-up body 51 having a curved surface at the tip, and the push-up body 51 moves up and down. The push-up body 51 is provided below the bottom surface 21b of the box body 21 and near the front surface 21c. In the present embodiment, the push-up body 51 is moved upward to come into contact with the bottom surface 21b of the box body 21, and further pushed up, the bottom surface 21b is curved so as to be convex upward. It is designed to deform. In addition, although the plate-shaped thing was used for the push-up body 51 in this Embodiment, a rod-shaped body can also be used.

  The pushing means 6 is disposed above the packaging box 2 and includes a plate-like pushing body 61 having a flat surface at the tip, and the pushing body 61 moves up and down. The pushing body 61 is provided so as to abut on the upper surface of the lid portion 22 near the flap portion 23. The pushing body 61 is moved downward to come into contact with the upper surface of the lid portion 22, and the pushing body 61 is further lowered to open the lid portion 22 around the connecting portion with the box body portion 21. It bends toward 21a.

  By the way, when the bottom surface 21b of the box body 21 is pushed up by the push-up body 51, a part of the bent portion 11 of the pillow package 1 protrudes from the opening 21a of the box body 21. In the present embodiment, the plate-shaped guide member 7 is disposed above the adsorber 4. By the guide member 7, the bottom surface 21 b of the box body 21 is pushed up by the pusher 51 so that the bent portion 11 of the pillow package 1 protruding from the box body 21 is pressed toward the center of the box body 21. It has become. The guide member 7 has a plate shape, and one plane portion serves as a guide surface 71. The guide member 7 is further rotatable so that it can move in the horizontal direction and the vertical direction, and the inclination angle of the guide surface 71 can be adjusted. The guide member 7 performs an operation of pressing the bent portion 11 of the pillow package 1 by the lower end portion, and simultaneously performs an operation of guiding the flap portion 23 of the lid portion 22 by the guide surface 71.

  The horizontal movement of the suction device 4, the vertical movement of the push-up body 51 of the push-up means 5 and the push-in body 61 of the push-in means 6, and the movement of the guide member 7 in the horizontal and vertical directions use hydraulic pressure or air pressure. Existing mobile devices can be used. Further, an existing rotation mechanism can be used for the rotation operation of the guide member 7.

  Next, the operation of closing the lid portion 22 using the lid closing device 3 in a state where the three pillow packages 1 whose both ends are folded inside the box body portion 21 will be described.

  First, as shown in FIG. 1, the packaging box 2 includes three pillow packages 1 in which a bottomed cylindrical box body 21 is assembled in a rectangular parallelepiped shape, and both ends are folded inside the box body 21. Is stored (packaging storing step). In addition, the cover part 22 is creased in the connection part with the upper end opening part 21a of the box main-body part 21, and the flap part 23 bent inside is formed in the free end side.

  Next, as shown in FIG. 2, the adsorber 4 is moved horizontally toward the front surface 21 c of the box body 21 to adsorb the adsorber 4 to the front surface 21 c, thereby preventing the box body 21 from moving up and down. Keep it.

  Then, as shown in FIG. 3, the push-up body 51 of the push-up means 5 is moved upward to push up the bottom surface 21 b of the box body 21 by the push-up body 51. By the pushing-up operation of the bottom surface 21b by the push-up body 51, the bottom surface 21b is bent and deformed so as to be convex upward. At this time, since the front surface 21c of the box body portion 21 is held by the adsorber 4, only the bottom surface 21b is deformed while the whole box body portion 21 is held at a predetermined position without moving upward. To do. When the bottom surface 21b is deformed, the bent portion 11 of the pillow package 1 accommodated in the box body 21 is in a state of protruding from the upper end opening 21a of the box body 21 (package protrusion process).

  Next, as shown in FIG. 4, the guide member 7 disposed at a position away from the opening 21 a of the box body 21 is moved toward the bent portion 11 of the pillow package 1 protruding from the box body 21. The bent portion 11 is pressed by the lower end portion of the guide member 7 by horizontally moving. At this time, the bottom surface 21 b of the box body 21 remains in a state of being pushed up by the push-up body 51. Further, the guide member 7 has a guide surface 71 inclined so that the lower end approaches the pillow package 1 and the upper end is separated. Therefore, the bent portion 11 of the pillow package 1 is pressed by the lower end of the guide member 7 and is separated from the inner surface of the box body 21 (package separation step).

  Next, as shown in FIG. 5, the pushing body 61 of the pushing means 6 is moved downward to push near the flap portion 23 in the lid portion 22. When the flap portion 23 is moved downward by the pushing operation by the pushing body 61, the flap portion 23 is moved further downward along the guide surface 71 while the lower end of the flap portion 23 is in contact with the guide surface 71 of the guide member 7. (Start of the flap portion insertion process).

  At the same time as the lid 22 is pushed down by the pusher 61, the guide member 7 moves obliquely downward as shown in FIG. 5, and the lower end of the guide member 7 is inserted into the box body 21. This downward movement of the guide member 7 prevents the pillow package 1 from interfering with the bent portion 11 and allows the flap portion 23 to be reliably inserted into the box body portion 21.

  When the flap portion 23 is inserted into the box body portion 21, the inclination is controlled so that the guide surface 71 of the guide member 7 is perpendicular to the horizontal direction as shown in FIG. It will be straight in the vertical direction. At this time, as shown in FIG. 6, the flap portion 23 is in a state where the lower end is merely inserted into the box body portion 21 and is not completely inserted.

  From the state of FIG. 6, as shown in FIG. 7, the lid 22 is pushed by the pusher 61 and the pusher 51 is lowered. By the operation of the pusher 61 and the pusher 51, the pillow package 1 protruding from the opening 21a of the box body 21 along the guide surface 71 is smoothly accommodated inside the box body 21, and the lid 22 The flap portion 23 is also completely inserted into the box body portion 21.

  When the pillow package 1 is completely accommodated inside the box body 21 and the flap part 23 is also completely inserted into the box body 21, the adsorber 4 is placed in the box body as shown in FIG. Remove from 21 side.

  Then, as shown in FIG. 8, the guide member 7 is moved upward, and the guide member 7 is pulled out from the inside of the box body 21. Next, as shown in FIG. 9, the guide member 7 is moved horizontally in the direction away from the front surface 21 c of the box body 21, and the pusher 61 is lifted to complete the boxing operation.

  In the present embodiment, the guide member 7 is raised and pulled out from the inside of the box body 21 after the flap portion 23 is completely inserted into the box body 21 by the pushing operation of the pusher 61. The guide member 7 can be raised immediately before the pusher 61 reaches the position of the lowering end. Thus, by driving the pushing body 61 and the guide member 7, the operation of inserting the flap portion 23 into the box body portion 21 can be performed more satisfactorily.

  In the above embodiment, the lid closing method of the packaging box containing the pillow package has been described. However, the package is not limited to the pillow package, and the present invention is applied to any package. Can do.

FIG. 5 is a perspective view of the packaging box showing a state in which the pillow package is accommodated in the packaging box according to the embodiment of the packaging box lid closing method of the present invention and the lid portion is not closed. is there. It is a work process figure which shows the work process which concerns on the lid closing method of the packaging box of this Embodiment. FIG. 3 is an operation process related to the packaging box lid closing method of the present embodiment, and is an operation process diagram showing a continuation of FIG. 2. FIG. 4 is an operation process related to the lid closing method for the packaging box of the present embodiment, and is an operation process diagram showing a continuation of FIG. 3. FIG. 5 is a work process related to the packaging box lid closing method of the present embodiment, and is a work process diagram showing a continuation of FIG. 4. FIG. 6 is an operation process related to the packaging box lid closing method of the present embodiment, and is an operation process diagram showing a continuation of FIG. 5. FIG. 7 is a work process related to the packaging box lid closing method of the present embodiment, and is a work process diagram showing a continuation of FIG. 6. FIG. 8 is a work process related to the packaging box lid closing method of the present embodiment, and is a work process diagram showing the continuation of FIG. 7. FIG. 9 is an operation process related to the packaging box lid closing method of the present embodiment, and is an operation process diagram showing a continuation of FIG. 8. It is explanatory drawing for demonstrating the lid closing method using the conventional lid closure apparatus of a packaging box.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pillow package 11 Folding part 2 Packaging box 21 Box main-body part 21a Opening part 21b Bottom surface 21c Front surface 22 Lid part 23 Flap part 3 Lid closing device 4 Adsorber (holding means)
5 Pushing means 51 Pushing body 6 Pushing means 61 Pushing body 7 Guide member 71 Guide surface

Claims (4)

After the package is accommodated in the box body portion of the packaging box having the four side surfaces and the rectangular bottom surface, the opening portion is covered with a lid portion continuously provided on one side of the upper end opening portion of the box body portion, A lid closing method for a packaging box for closing a lid by inserting a flap portion formed at a free end of a lid portion into the inside of the box opening,
A package storage step of storing the package in the box body, and
In a state where the side surface of the box main body is held by the holding means, the bottom surface of the box main body is pushed upward by the push-up means so that the package projects from the opening of the box main body. Projecting process;
A portion projecting from the box body portion of the package is pressed toward the inside of the box body portion by a lower end portion of guide means having a guide surface extending in the vertical direction, and the package body portion is pushed. A package separating step for separating from the inner surface of
While pressing the package by the guide means, the upper surface of the lid is pushed downward by the pushing means, so that the tip of the flap is brought into contact with the guide surface of the guide means. A method for closing a lid of a packaging box, comprising a step of inserting a flap portion to be inserted between an inner surface of a box body portion and the package. The package is a pillow package having seal portions at both ends of the cylinder portion,
In the package storage step, the pillow package in a state where both ends of the cylindrical portion are folded is accommodated in the box body so that the folded portion comes into contact with the flap portion,
In the package projecting step, the folded portion of the pillow package is projected from the opening of the box body,
In the package separating step, the bent portion protruding from the box main body portion is pressed toward the inside of the box main body portion by the guide means, and the bent portion is separated from the inner surface of the box main body portion. Leave
In the flap portion insertion step, the bent portion is pressed between the inner surface of the box body portion and the bent portion while the front end of the flap portion is brought into contact with the flat portion of the guide means while the bent portion is pressed by the guide means. 2. The method of closing a packaging box according to claim 1, wherein the lid is inserted in between.   The method for closing a packaging box according to claim 1 or 2, wherein the holding means is an adsorber that sucks and adsorbs the side surface of the box body.   The packaging device according to any one of claims 1 to 3, wherein the guide means is movable in a horizontal direction and a vertical direction, and an inclination angle of the planar portion can be adjusted. How to close the box lid.

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