JP2015160428A - Device and method for making box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a box making device and the like capable of simply making box-shaped cases different in size.SOLUTION: A box making device S for folding a blank 10 with a fold 8 to make an approximately rectangular cross-section box-shaped case 5 having an opening 6 on one surface includes a plurality of guide bodies 30 having edges arranged along the fold 8, and an interval adjusting mechanism 40 for adjusting a mutual interval between the respective guide bodies 30 when the box-shaped cases 5 different in size are made.

Description

  The present invention relates to a box making apparatus and a method for a box-shaped case that accommodates albums, books, and the like.

  2. Description of the Related Art Conventionally, a box making apparatus for box-making this type of box-like case is known (see, for example, Patent Document 1).

  The box making apparatus shown in Patent Document 1 includes a male mold that matches the size of the box-shaped case, a female mold frame that forms a paper box material into the box-shaped case by inserting the male mold, and a back of the molded box-shaped case. And a pressing mechanism that presses the piece elastically with the male mold and presses the outer piece and the inner piece of the box-shaped case with the male mold.

JP-A-10-44262

  In the apparatus shown in Patent Document 1, a box case of a specified size can be manufactured, but when box cases of different sizes are manufactured, a mold is prepared for each size, and exchange and adjustment are performed. There is a problem that it is difficult to handle variable box-shaped cases.

  Therefore, the present invention has been made with the above problem as an example of an object, and it is an object of the present invention to provide a box making apparatus and the like that can easily box-like cases having different sizes.

  In order to solve the above problems, the present invention employs the following configuration.

  That is, the box making apparatus according to claim 1 folds a blank (10) having a fold (8) to make a box-like case (5) having a substantially rectangular cross section having an opening (6) on one side. In the box making apparatus (S), when the box-shaped cases having different sizes and the plurality of guide bodies (30) having edges arranged along the folds are boxed, And an interval adjusting mechanism (40) for adjusting the interval.

  Moreover, the box making apparatus according to claim 2 is the box making apparatus according to claim 1, wherein the guide body includes four members corresponding to end portions of the side wall including a corner of the inner space of the box-shaped case. It is characterized by being.

  A box making apparatus according to a third aspect is the box making apparatus according to the first or second aspect, wherein the guide body is movable left and right or up and down.

  Further, the box making method according to claim 4 is a box making method in which a blank case having a crease is bent to form a box-like case having an opening on one side and having a substantially rectangular cross section. When the box is made, the blanks are folded along the folds to make a box after adjusting the intervals between the plurality of guide bodies whose ends are arranged along the folds.

  According to the present invention, it is possible to easily produce a variable box-shaped case with a simple device.

It is an external view which shows an example of a box-shaped case. It is a schematic diagram which shows the blank for box-making a box-shaped case. It is a schematic diagram which shows an example of a box making process. It is an external appearance perspective view which shows an example of a space | interval adjustment mechanism. It is a schematic diagram which shows the example of adjustment of the vertical direction of a guide body. It is a schematic diagram which shows the example of adjustment of the left-right direction of a guide body.

  Hereinafter, a typical embodiment of the present invention will be described with reference to the drawings. First, a box-shaped case manufactured by the box making apparatus of the present application will be described. In the following description, folds are collectively referred to as folds 8 when they are collectively described, and folds 8a to 8e are referred to when specific folds are indicated.

  As shown in FIG. 1, the box-shaped case 5 is formed by bending the panels 4 at right angles through the folds 8 on the four sides of the back panel 2, and has an opening 6 on one side (front side). In the present embodiment, in the box-shaped case 5 shown in FIG. 1, the upper panel facing the upper panel is referred to as the top panel 4A and the lower panel is referred to as the bottom panel 4B. The pair of panels is referred to as a side panel 4C.

  As shown in FIG. 2, the box-shaped case 5 is formed by folding a sheet-like blank 10 along the folds 8 a to 8 e. As the blank 10, a paper member is preferably used. For example, a plastic member or a member made of a laminate of paper and plastic may be used.

  The blank 10 includes a strip-shaped back panel 2 that is the back surface of the box-shaped case 5, a substantially rectangular top panel 4A that is connected to one side of the back panel 2 via a fold 8a, and the back panel 2. And a bottom panel 4B having a substantially rectangular shape connected to the other side via a fold line 8b. In addition, a tongue piece flap 11 is connected to both ends of the back panel 2 via a fold 8c, and an outer piece flap 12 is connected to both ends of the top panel 4A via a fold 8d. Inner side flaps 13 are connected to both ends of the bottom panel 4B via folds 8e.

  In the blank 10, the top panel 4A and the bottom panel 4B are bent at right angles through the folds 8a and 8b with respect to the back panel 2, and the top panel 4A and the bottom panel 4B are arranged to face each other. After that, the tongue piece flap 11, the inner piece flap 13, and the outer piece flap 12 are bent at right angles through the folds 8c to 8e, respectively, and the tongue piece flap 11, the inner piece flap 13, and the outer piece flap 12 from the inside. The box-shaped case 5 is boxed by being overlapped and glued in this order. The side panel 4 </ b> C of the box-shaped case 5 is formed by overlapping and gluing the tongue piece flap 11, the inner piece flap 13, and the outer piece flap 12.

  Box making of the box-like case 5 is performed using a box making apparatus S shown in FIG.

  As shown in FIG. 3, the box making apparatus S includes a mounting table 21 on which the sheet-like blank 10 is mounted, and a bending apparatus 25 that bends and forms the blank 10.

  The mounting table 21 is a work table on which an operator stands and has a mounting surface 21a on which at least a part of the blank 10 (bottom panel 4B) is mounted horizontally.

  On the other hand, the bending processing device 25 is a device used for forming the blank 10 placed on the mounting surface 21a, and is movable, and can be moved closer to or away from the mounting table 21. Can be made.

  As shown in FIG. 3, the bending device 25 includes a base 26 that is erected in the vertical direction and a plurality of guide bodies 30 that are attached so as to protrude from the base 26 in the horizontal direction. And a support part 29 that supports the bending part 27 from below. Although not shown, the support unit 29 includes, for example, a base placed on the floor surface, and a caster is attached to the bottom of the base as needed, and the floor surface can be freely moved. is there.

  The guide body 30 is for forming the box-shaped case 5 by bending the blank 10 along the fold line 8. For example, the guide body 30 is formed at the end of the side wall including the four corners of a general molding die having a substantially rectangular cross section. It consists of four corresponding members and functions as a positioning member that defines the folding position of the blank 10.

  As shown in FIG. 4, each guide body 30 is, for example, a plate-like arm extending in the Y-axis direction, and is arranged on the lower left and right and the upper left and right. The outer shape of the interior space is defined. The side edge 30a on the outer side of each guide body 30 is disposed along the folds 8d and 8e between the top panel 4A (or bottom panel 4B) of the blank 10 and the side panel 4, and the leading edge of each guide body 30 The part 30b is arranged along the folds 8a and 8b between the top panel 4A (or bottom panel) of the blank 10 and the back panel 2.

  As described above, in the bending apparatus 25 of the present embodiment, each guide body 30 is disposed at the end of the side wall including the four corners of the inner space of the box-shaped case 5 to be molded. The box-shaped case 5 can be formed by bending the blank 10 along the line. Moreover, since the guide body 30 has a predetermined thickness and a corner portion, the panels 2, 4A and the flaps 11 to 13 are easily bent along the folds 8 of the blank 10, and the carrier Even a small number of workers can easily make a box-shaped case 5.

  Further, when box-shaped cases 5 of different sizes are made on each guide body 30, as shown in FIGS. 4 to 6, each guide body 30 is moved up and down or left and right to approach or separate, An interval adjusting mechanism 40 for adjusting the interval between the guide bodies 30 is attached.

  As shown in FIG. 4, the interval adjusting mechanism 40 includes a horizontal shaft 41 arranged vertically, a vertical shaft 42 arranged on both left and right sides, and a corner block 43 that supports the horizontal shaft and the vertical shaft by crossing each other. And a support block 44 that movably supports each guide body 30 on the horizontal shaft 41.

  The corner block 43 has an insertion hole formed so as to intersect in the X and Z directions, and the shafts 41 and 42 are inserted into the insertion hole. A screw is formed in the insertion hole extending in the Z-axis direction, and a screw that is screwed to the screw is formed on the outer peripheral portion of the vertical shaft 42.

  Then, by rotating the vertical shaft 42 in one direction, the upper and lower corner blocks 43, 43 adjacent in the vertical direction can be approached or separated from each other, and as shown in FIG. By moving the upper and lower guide bodies 30 and 30 closer to or away from each other, the upper and lower positions of the guide body 30 are adjusted according to the size (thickness) of the box-shaped case 5 to be molded.

  The support block 44 has an insertion hole formed in the X direction, and the horizontal shaft 41 is inserted into the insertion hole. A screw is formed in the insertion hole, and a screw that is screwed with the screw is formed on the outer peripheral portion of the horizontal shaft 41.

  The screws formed on the left and right support blocks 44 and 44 adjacent in the X-axis direction are reverse screws, and the support blocks 44 and 44 move in different directions with respect to the rotation of the horizontal shaft 41.

  Then, by rotating the horizontal shaft 41 in one direction, the left and right support blocks 44 and 44 adjacent to each other in the X-axis direction can approach or separate from each other, and the movement of the support blocks 44 and 44 is shown in FIG. As described above, the left and right guide bodies 30 are moved closer to or away from each other, so that the left and right positions of the guide body 30 are adjusted according to the size (length in the vertical direction) of the box-shaped case 5 to be molded.

  Further, in order to move each guide body 30 while keeping it horizontal, each vertical shaft 42 is provided with a drive unit 45 such as a motor, and the two drive units 45 are driven in synchronization. On the other hand, each horizontal shaft 41 is also provided with a drive unit 45 such as a motor, and the two drive units 45 are driven in synchronization.

  Further, although not shown, the spacing adjusting mechanism 40 is attached to the base body 26 via a guide member, and the corner block 43, the support block 44, or the drive unit 45 is rotated by the rotation operation of the horizontal shaft 41 or the vertical shaft 42. Is prevented.

  According to such a distance adjusting mechanism 40, each guide body 30 can be easily moved left and right or up and down, and the position of the guide body 30 can be changed corresponding to the box case 5 of different sizes. It is possible to easily form box cases 5 of different sizes, and can easily cope with box making of variable box cases 5.

  As the length (thickness) in the Z-axis direction and the length (width) in the X-axis direction of the guide body 30 are increased, the blank 10 is easily bent, and the length of the guide body 30 in the Y-axis direction is at least molded. By having the length from the opening 6 of the largest possible box-shaped case 5 to the back panel 2, it becomes easy to mold the side panel 4C.

  Next, a box making method for making a box by bending the blank 10 using the box making apparatus S described above will be described.

  First, as shown in FIG. 3, after placing the blank 10 prepared in advance on the placement surface 21 a of the placement table 21, the box making apparatus S is set so that the guide body 30 is placed on the blank 10. It moves and is brought close to the mounting table 21.

  Next, as shown in FIG. 4, the position adjustment mechanism 40 is used to adjust the position of each guide body 30 according to the size of the box-shaped case 5 to be molded. Specifically, as shown in FIGS. 4 and 6, the horizontal shaft 41 is rotated in one direction to adjust the distance between the left and right guide bodies 30 arranged above and below, as shown in FIGS. 5 and 6. As described above, the vertical shaft 42 is rotated in one direction to adjust the distance between the upper and lower guide bodies 30 arranged on the left and right, and the edge portions (corner portions) of the respective guide bodies 30 are along the folds of the blank 10. To be positioned.

  Next, an adhesive such as hot melt is applied to the surfaces of the inner piece flap 13 and the outer piece flap 12 of the blank 10. In addition, you may perform the operation | work which apply | coats this adhesive agent before making the blank 10 easy.

  Next, using the corner portion of the guide body 30, the rear panel 2 is raised with respect to the bottom panel 4B along the fold line 8b, and further, the front panel 4A is disposed to face the bottom panel 4B. The front panel 4A is bent at a right angle along the fold line 8a.

  Similarly, the tongue piece flap 11, the outer piece flap 12, and the inner piece flap 13 are bent at right angles along the folds 8c to 8e using the corners of the guide body 30, and the box-like case 5 is formed. A box is done.

  The hot melt is heated using a heating device (not shown), and the tongue piece flap 11, the inner piece flap 13, and the outer piece flap 13 are overlapped and bonded in this order to form the side panel 4C.

  As described above, the box making method of the present embodiment is to make a box-shaped case 5 having a substantially rectangular cross section having an opening 6 on one side by bending a blank 10 having a crease 8, and having different sizes. When making the box-shaped case 5, after adjusting the distance between the plurality of guide bodies 30 whose edges are arranged along the fold line 8, the blank 10 is formed along the fold line 8. Since it is only necessary to bend and form a box, it is possible to easily form box cases 5 of different sizes, and it is possible to easily deal with variable box-like case 5 boxes.

  In addition, this invention is not limited to the said embodiment, A various change is possible within the range of the summary of this invention. For example, the guide body 30 is a plate-like member having a predetermined thickness in the present embodiment, but may be a rod-like member such as a square bar or a round bar, or an L-shaped member. . Since it becomes easy to bend each panel 4 and each flap 11-13 by setting it as an L-shaped member, it is possible to make a box in a short time. Further, the distance adjusting mechanism 40 of the guide body 30 according to the present embodiment is an example, and is not particularly limited to this form. What is necessary is that the guide body can be moved left and right or up and down using a known technique. It may be in any form.

S box making device 5 box case 6 opening 8 crease 10 blank 30 guide body 40 spacing adjustment mechanism

Claims (4)

In a box making apparatus that folds a blank having a crease and forms a box-shaped case having a substantially rectangular cross section with an opening on one side,
A plurality of guide bodies having edges arranged along the folds;
An interval adjusting mechanism for adjusting an interval between the guide bodies when making the box cases of different sizes;
A box making apparatus comprising:   The box making apparatus according to claim 1, wherein the guide body is four members corresponding to end portions of the side wall including a corner portion of the inner space of the box-shaped case.   The box making apparatus according to claim 1 or 2, wherein the guide body is movable left and right or up and down.   In a box making method of folding a blank case having a crease to form a box-shaped case having a substantially rectangular cross section having an opening on one side, when box-making the box-shaped case of different sizes, along the fold line A box making method, wherein the blanks are folded along the folds to adjust the distance between the plurality of guide bodies on which the edges are arranged.

Images