JP6535166B2 - Corrugated board blank manufacturing apparatus, double-sided corrugated sheet and method for manufacturing the same - Google Patents

Description

  The present invention relates to a cardboard blank manufacturing apparatus for producing a cardboard box blank from a single cardboard sheet, and a system including the same for automatically packing goods. Furthermore, the present invention relates to a method of manufacturing a double-sided corrugated sheet in which a corrugated sheet is sandwiched between two flat plates, and a double-sided corrugated sheet thus manufactured.

A cardboard box is an assembly of blanks (cardboard blanks) cut out of cardboard as a packaging material, and there are various types from standard products whose vertical, horizontal, and height are standard sizes, to non-standard products. . Corrugated cardboard blanks are usually manufactured by cutting one by one from a corrugated cardboard sheet and inserting slits (or thick slots) or creases where necessary.
When manufacturing fixed-form corrugated cardboard blanks, large-length corrugated cardboard blanks can be manufactured inexpensively because cut-out with a certain length and slitting (slotting) / line insertion at a fixed location can be performed continuously and at high speed. can do.

  On the other hand, when manufacturing corrugated cardboard blanks other than fixed form, conventionally, the blank manufacturing apparatus is temporarily stopped, the cutting length is changed according to the corrugated blank shape, and slits (slots) and creases are formed. Had to move the slitter (slotter) and the scoring device.

  On the other hand, a longitudinal cutting device and a transverse cutting device provided with a conveying device for conveying a corrugated cardboard sheet, and a cutting blade which cuts the corrugated cardboard sheet in the longitudinal direction along the conveying direction and the width direction orthogonal to the conveying direction. A corrugated cardboard blank manufacturing apparatus equipped with an apparatus has been proposed (Patent Document 1). This corrugated board blank manufacturing apparatus is provided with a moving mechanism of a longitudinal cutting device and a transverse cutting device so that longitudinal and transverse incisions can be inserted at arbitrary intervals in the corrugated cardboard sheet, whereby any size can be obtained. Cardboard blanks can be manufactured.

JP 2012-30310 A

Japanese Industrial Standard (JIS) Z0104 "cardboard term" Item Co., Ltd., "Packaging materials: How to make a cardboard material", [September 25, 2013 search], Internet <http://www.i-tem.net/pmd/quality/material.html>

In the said corrugated-cardboard blank manufacturing apparatus, two types, the wrap type packaging blank and the packaging blank for A-type carton, which manufactured the width | variety of the corrugated-cardboard sheet | seat as it is are manufactured.
In recent years, a method has been proposed in which production of a cardboard blank, assembly of a cardboard box, and packaging of goods are automatically performed in a continuous process. Wrap-type packaging blanks put goods on it and the corrugated box is assembled at the same time as packing the goods, so it is relatively easy to automate the process from manufacture of corrugated cardboard blanks to goods packing, but cube or rectangular solid You can only pack items of regular shape.

  On the other hand, in the case of the A type carton packaging blank, the cardboard blank is folded to assemble the side and bottom of the cardboard box, and after the product is accommodated from the opening, the opening is covered to complete the cardboard box. . Therefore, articles of various shapes can be packaged in a cardboard box made of a packaging blank for a type A carton. However, since the packaging blank for the A-type carton has a bottom (or flap) formed on the both sides in the width direction of the corrugated cardboard sheet, the bottom is located laterally when the side and bottom of the cardboard box are assembled. . Therefore, it is necessary to turn the direction of the cardboard box so that the bottom is down and the opening is up before storing the product, and it is difficult to automate the process from the production of the blank to the packaging of the product.

  In addition, in the case of targeting various products, there is a demand for providing the cardboard box with additional functions such as heat retention, waterproofness, and further cushioning.

  Furthermore, when manufacturing corrugated cardboard blanks with various added functions corresponding to various sizes of goods, it proceeds to manufacture of corrugated boxes as it is, and further, it is automatic from product packing to shipping preparation. It is efficient to

  By the way, the corrugated sheet includes a single-sided corrugated sheet and a double-sided corrugated sheet. Due to the greater rigidity of double-sided corrugated sheets as compared to single-sided corrugated sheets, manufacturing corrugated cardboard blanks using double-sided corrugated sheets can form a robust corrugated box. In addition, double-faced cardboard is widely used as a shock-absorbing material for filling a space between a container and a container by utilizing its buffer property.

  The double-faced cardboard is a single-faced cardboard with its core processed in a corrugated shape bonded to one liner, and the liner is bonded to the top of the single-faced cardboard (that is, the top of the core) (Non-Patent Document 1) . In the manufacture, as shown in FIG. 16, the liners are drawn from the three liner rolls 411, 412 and 413, respectively, and the center liner is processed into a corrugated sheet by a pair of corrugated rolls 414. In this method, the corrugated plate and the two liners (flat plates) are overlapped, and two liners and the corrugated plate are attached with an adhesive at the top of the steps of both sides of the corrugated plate (Non-patent Document 2).

  Thus, the conventional double-faced cardboard is manufactured by the method in which two liners (flat plates) and one corrugated plate (core) are fixed with adhesive at the top of the corrugated plates as described above. Therefore, although it is excellent in shock absorbing properties when a force is applied in the direction perpendicular to the plate, it is too rigid for the force to bend the plate (in the direction perpendicular to the wave) and it bends flexibly I could not Therefore, it could not be used for applications such as winding relatively small rod-like or cylindrical ones.

  The first problem to be solved by the present invention is a cardboard blank manufacturing apparatus capable of packaging goods requiring various shapes and additional functions, and facilitating the automation of the assembly work of the cardboard box and the packing work of the goods. To provide.

  The second problem to be solved by the present invention is to provide a corrugated board blank manufacturing apparatus capable of manufacturing a corrugated board blank for forming a corrugated board having various functions.

  The third problem to be solved by the present invention is to provide a system having the above-mentioned cardboard blank manufacturing apparatus, which can automatically perform from manufacture of a cardboard box to packaging of goods and preparation for shipment. .

  A fourth problem to be solved by the present invention is to provide a double-sided corrugated sheet which can be flexibly bent in the direction perpendicular to the wave.

The present invention made to solve the above problems is an apparatus for manufacturing a corrugated board blank for assembling a corrugated box,
a) transport means for transporting a corrugated cardboard sheet consisting of a corrugated sheet and a flat plate in a direction orthogonal to the wave of the corrugated sheet;
b) a longitudinal cutting device for cutting the corrugated cardboard sheet in a direction orthogonal to the corrugations;
c) a cross-cutting device which cuts the corrugated cardboard sheet in a direction along the corrugations of the corrugated cardboard sheet;
d) sizing means for receiving information on the size of the cardboard box,
e) cut position determining means for determining the size of the corrugated cardboard blank and the cut position by the longitudinal cutting device and the cross cutting device from the information of the size;
and f) control means for controlling the longitudinal cutting device and the horizontal cutting device based on the cutting position determined by the cutting position determination means.

The cardboard blank manufacturing apparatus according to the present invention further comprises
g) A composite unit may be provided which is provided on the corrugated sheet with the sheet material stacked and joined to the corrugated sheet upstream of the longitudinal cutting device and the cross cutting device.

The cardboard blank manufacturing apparatus according to the present invention further comprises
The sheet material is a functional sheet,
in addition,
h) An adhesive application means for applying an adhesive to the corrugated sheet or the sheet material before bonding the sheet material to the corrugated sheet may be provided.

  Here, the term "functional sheet" refers to, for example, a sheet having a special function such as buffer property, waterproofness, water repellency, heat retention property, and cold storage property. The functional sheet also includes a mere flat plate constituting the corrugated cardboard sheet. This is because functions such as buffering and heat retention are added.

The cardboard blank manufacturing apparatus according to the present invention further comprises
The sheet material is an additional corrugated sheet consisting of a corrugated sheet and a flat sheet,
In addition, the combining means joins the corrugated sheet and the additional corrugated sheet so that the phases of the two corrugated sheets align so that the peaks of one corrugated sheet enter the valleys of the other corrugated sheet. It may be

  The material of the corrugated board blank manufactured by this corrugated board blank manufacturing apparatus is obtained by combining two corrugated board sheets (one-step sheet) consisting of a corrugated sheet and a flat sheet on the corrugated sheet side. The two corrugated sheets are such that the waves and the valleys enter each other (the phases are aligned), so the contact area between the two is large, and they are not easily peeled off due to their friction. Therefore, it can be treated just like a double-tiered sheet, and can be made into a corrugated board blank for assembling a high strength corrugated box.

  In order to further strengthen the joining of the two single-tiered sheets constituting the corrugated cardboard blank, after the two single-tiered sheets are joined, it is possible to put a ruled line for pressing the both together. The ruled lines may be parallel to or perpendicular to the waves of the wave plate. Of course, they may cross each other. It is effective to put a ruled line just inside the cutting line.

  The size of the cardboard box mentioned above refers to the vertical, horizontal and height dimensions of the cardboard box. The size setting means may receive information on the size of the cardboard box either by accepting information manually input by the user or by accepting information sent online. Good.

  Furthermore, the information sent online may be order information from the consumer of the cardboard box, or the dimensions of the product packaged by the cardboard box assembled by the cardboard blank manufactured by the present cardboard blank manufacturing apparatus are automatically calculated. It may be information from a product measuring device to be measured. Such a product measuring apparatus comprises, for example, a photographing unit for photographing a product, and a calculation unit for calculating the maximum dimension of the product from the image photographed by the photographing unit and automatically determining the size of the cardboard box. It can be configured.

  Such a configuration makes it possible to automatically produce a corrugated board blank for assembling corrugated boxes of various sizes and shapes according to the demand of the consumer (ie, on demand).

The cardboard blank manufacturing apparatus according to the present invention may be specialized for producing a cardboard blank having a shape such that the lid is closed when the cardboard box is assembled as follows.
a) transport means for transporting a corrugated cardboard sheet consisting of a corrugated sheet and a flat plate in a direction orthogonal to the wave of the corrugated sheet;
b) a longitudinal cutting device for cutting the corrugated cardboard sheet transported by the transport means along a direction orthogonal to the corrugations;
c) a cross-cutting device which cuts the corrugated cardboard sheet in a direction along the corrugations of the corrugated cardboard sheet;
d) Sizing means for receiving information on the size of the cardboard box,
e) From the information on the size of the cardboard box, the cutting position determination for determining the size of the cardboard blank shaped to close the lid when assembling the cardboard box and the cutting position by the vertical cutting device and the horizontal cutting device Means,
and f) control means for controlling the longitudinal cutting device and the horizontal cutting device based on the cutting position determined by the cutting position determination means.

  In the double-sided corrugated sheet according to the present invention made to solve the above problems, two single-sided corrugated sheets are stacked so that the corrugated sheets are in contact on the entire surface, and It is characterized in that it has a ruled line to the extent that the corrugated sheet of the sheet is deformed.

  The double-faced corrugated cardboard sheet according to the present invention is not included in the category of conventional (that is, as defined in Non-Patent Document 1) double-faced cardboard sheet because it has such a structure, It is called "double-sided cardboard sheet". In addition, below, the double-sided corrugated sheet of a structure like this invention may be called "double corrugated board" especially.

  As a method of manufacturing such a double-sided corrugated sheet according to the present invention, two single-sided corrugated sheets are formed such that the piles of the corrugated sheets of one single-sided corrugated sheet enter the valleys of the corrugated sheet of the other single-sided corrugated sheet. It is possible to adopt a method in which the phases of the two corrugated plates are aligned and superimposed, and then, at appropriate places, ruled lines are provided to the extent that the corrugated sheets of the two single-faced corrugated cardboard sheets are deformed.

  First, it is desirable to use the edge of the double-sided corrugated sheet as a place to put a ruled line. If the double-sided corrugated sheet is rectangular, the edges of the four sides, if it is a blank having a predetermined shape, the edge of the shape is appropriate. In addition to the edge or in addition to the edge, short ruled lines may be inserted at a constant period over the entire surface. In these cases, the ruled lines may be perpendicular to or parallel to the waves of the corrugated sheet, but in any case, the depth is such that the corrugated sheet of two single-faced cardboard sheets is deformed. The ruled lines may be provided so as to be oblique to the waves (for example, 45 °).

  When the double-faced corrugated sheet is manufactured as a long roll material, it is possible to put creases continuously on its both side edges and / or put short creases on the entire surface. Alternatively, when the product is cut out from the roll material into a shape of a predetermined size, a ruled line may be inserted at the edge or inside of the shape.

  In the double-sided corrugated sheet according to the present invention, it is desirable that the corrugated sheet of each single-sided corrugated sheet has a basis weight smaller than that of those flat sheets. In particular, it is desirable to use one having a half basis weight of a flat plate. As a result, the cost of the raw paper can be reduced, and the buffer property (flexibility) in the direction perpendicular to the plate is also improved.

  In the cardboard blank manufacturing apparatus of the present invention, by receiving the target cardboard box size from the outside, it is possible to produce a cardboard blank corresponding to the size on demand.

  Moreover, in the corrugated-cardboard blank manufacturing apparatus of this invention, it is possible to manufacture the corrugated-cardboard blank for assembling the corrugated cardboard box which added various functions, such as buffer property, waterproofness, water repellency, heat retention property, cold storage property. .

  Furthermore, in a system equipped with these corrugated board blank manufacturing apparatuses, it is possible to automatically and efficiently carry out processes from manufacturing of corrugated boxes corresponding to goods of various sizes to packaging of goods and preparation for shipping.

  Moreover, since the double-sided corrugated sheet according to the present invention is formed by overlapping two single-sided corrugated sheets so that both corrugated sheets are in contact on the entire surface, unless force is applied to separate the two single-sided corrugated sheets Even if a parallel force (shearing force) is applied in the plane of the two single-sided corrugated sheets, the two single-sided corrugated sheets are not peeled off by the frictional force between the two corrugated sheets. In addition, since the double-faced corrugated cardboard sheet according to the present invention has creases at the appropriate places to the extent that the corrugated sheet of two single-faced corrugated cardboard sheets is deformed, two sheets are further resistant to such shearing force. The single sided cardboard sheet does not peel off. On the other hand, when trying to bend the double-faced corrugated sheet according to the present invention in the direction perpendicular to the wave, the two corrugated sheets are simply overlapped, so it bends flexibly. For this reason, it can use as a shock absorbing material which rolls and protects a comparatively small rod-like thing and a cylindrical thing.

  And since the double-faced corrugated sheet according to the present invention does not use an adhesive, the cost can be reduced accordingly.

  Furthermore, when the double-sided corrugated sheet according to the present invention is not used as a double-sided corrugated sheet, the two single-sided corrugated sheets can be easily separated by applying a force to separate the two single-sided corrugated sheets. It can be used as a sheet. Even in the case of returning to the state of the double-faced corrugated sheet according to the present invention again from such a state, it is very simple because it is sufficient to align and superimpose the waves and put a ruled line in an appropriate place.

BRIEF DESCRIPTION OF THE DRAWINGS The top view (a) which shows schematic structure of 1st Example of the corrugated-cardboard blank manufacturing apparatus which concerns on this invention, a side view (b), an enlarged view (c). The figure which shows the example of the corrugated-cardboard blank (a) manufactured with the corrugated-cardboard blank manufacturing apparatus of this invention, and the corrugated-cardboard box (b) assembled from this blank. The figure which shows another example of the corrugated-cardboard blank (a) manufactured with the corrugated-cardboard blank manufacturing apparatus of this invention, and the corrugated-cardboard box (b) assembled from this blank. The side view (a) which shows schematic structure of 2nd Example of the corrugated-cardboard blank manufacturing apparatus which concerns on this invention, an enlarged view (b). The side view which shows schematic structure of 3rd Example of the corrugated-cardboard blank manufacturing apparatus which concerns on this invention. The side view which shows schematic structure of 4th Example of the corrugated-cardboard blank manufacturing apparatus which concerns on this invention. The side view which shows schematic structure of 5th Example of the corrugated-cardboard blank manufacturing apparatus which concerns on this invention. The side view (a) which shows schematic structure of 6th Example of the corrugated-cardboard blank manufacturing apparatus which concerns on this invention, an enlarged view (b). BRIEF DESCRIPTION OF THE DRAWINGS The figure which shows the schematic structure of one Example of the goods automatic packing system provided with the corrugated-cardboard blank manufacturing apparatus which concerns on this invention. Schematic which showed the state of the cardboard in each part in the system of the Example with the operation | movement in each part. The figure which shows the name of each part of corrugated-cardboard blank S1 after passing the cutting | disconnection * ruled line formation part of the system of the Example. The flowchart which shows operation of the system of the example. The figure which shows the schematic structure of one modification of the goods automatic packing system provided with the corrugated-cardboard blank manufacturing apparatus which concerns on this invention. The figure which shows the schematic structure of another modification of the goods automatic packing system provided with the corrugated-cardboard blank manufacturing apparatus which concerns on this invention. The figure which shows the schematic structure of another modification of the goods automatic packing system provided with the corrugated-cardboard blank manufacturing apparatus which concerns on this invention. Explanatory drawing which shows the conventional method of manufacturing a double-sided corrugated-cardboard sheet. BRIEF DESCRIPTION OF THE DRAWINGS The top view and sectional drawing of 1st Example of the double-sided corrugated-cardboard sheet which concerns on this invention. The top view and sectional drawing of 2nd Example of the double-sided corrugated-cardboard sheet which concerns on this invention. The top view and sectional drawing of 3rd Example of the double-sided corrugated-cardboard sheet | seat which concerns on this invention. BRIEF DESCRIPTION OF THE DRAWINGS The schematic side view of an example of the apparatus which manufactures the double-sided corrugated-cardboard sheet which concerns on this invention. The top view of the double-sided corrugated-cardboard sheet | seat manufactured with the same manufacturing apparatus. The outline top view (a) of the ruled line formation part of the manufacturing device, the front view (b) of a horizontal ruled line formation part, and the side view (c) of a vertical ruled line formation part. The flowchart which shows the method of manufacturing a double-sided corrugated-cardboard sheet by the same manufacturing apparatus. The schematic block diagram of another example of the apparatus which manufactures the double-sided corrugated-cardboard sheet which concerns on this invention.

Specific embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a first embodiment of a cardboard blank manufacturing apparatus according to the present invention. In this embodiment, a single-sided corrugated sheet (hereinafter referred to as a single-stage sheet) is used as the corrugated sheet. Specifically, the corrugated board blank manufacturing apparatus 1 includes a conveying device 2 for conveying the single-tiered sheet P, a longitudinal cutting device 3 and a transverse cutting device 4 for cutting the single-tiered sheet P in the longitudinal and lateral directions, and these conveying devices 2. The control device 5 controls the cutting device 3 and the cross cutting device 4, and the control panel 6 is used by the user to set and input the dimensions of the corrugated cardboard box and the dimensions of the corrugated sheet.

  The single-stage sheet P is supplied from a roll-shaped single-stage sheet P1 wound in a roll, and the single-stage sheet P supplied from the roll-shaped single-stage sheet P1 is conveyed such that the corrugated sheet is on the top It is transported by the device 2. The conveying device 2 is configured of a support portion 21 rotatably supporting the rolled sheet P1, a roller conveyor 22, a motor (not shown) for driving the roller conveyor 22, and the like. Information on the dimensions (thickness, corrugation pitch, width, etc.) of the single-tiered sheet P is preset in the cardboard blank manufacturing apparatus 1 by the control panel 6 by the user.

  The longitudinal cutting device 3 includes a support base 31 disposed on both sides of the conveyance path of the single-stage sheet P, and a frame 32 stretched at right angles to the conveyance direction of the single-stage sheet P so as to straddle both support bases 31. And a plurality of longitudinal units 33 attached to the frame 32. Each longitudinal cutting unit 33 is provided with a left / right moving mechanism 34 for moving the frame 32 on an arbitrary position in the width direction of each single-stage sheet P. Furthermore, each longitudinal cutting unit 33 has a cutting blade (a disk-shaped rotary blade, or a cutter, a slitter, a slotter, etc.) for cutting in the longitudinal direction (that is, the transport direction) of the single-stage sheet P, and the cutting blade. It has a vertical movement mechanism 35 for moving.

The cross-cutting device 4 includes a support base 41 disposed on both sides of the conveyance path of the single-stage sheet P, a guide rail 42 supported by the support bases 41 and laid at right angles to the conveyance direction of the single-stage sheet P, There are provided two crossing units 43 movable along the guide rails 42, and a left / right moving mechanism 44 for moving the crossing units 43 along the guide rails 42. Furthermore, each crossing unit 43 has a cutting blade (a disk-shaped rotary blade, or a cutter, a slitter, a slotter, etc.) for making a cut in the width direction of the single-stage sheet P, and a vertical movement mechanism 45 for moving the cutting blade up and down. Is equipped.
Although not shown, the longitudinal cutting device 3 and the transverse cutting device 4 include a crease forming roller (not shown) for forming a crease in a portion to be bent when assembling into a cardboard box. In addition, a length measuring sensor or the like for correctly measuring the cutting position is provided. Furthermore, a take-up roll may be provided to take up a portion cut from the single-tiered sheet P by the longitudinal cutting device 3. The cut portion of the single-tiered sheet P wound up by the winding roll can be reused as a raw material by being supplied to the cardboard blank manufacturing apparatus.

  The example of the blank manufactured using the said corrugated-cardboard blank manufacturing apparatus 1 is shown in FIG.2 and FIG.3. FIG. 2 shows a cardboard box blank (a) called a corrugated cardboard box and a cardboard box (b) assembled from the blank. In FIG. 2A, a solid line indicates a cutting line, and a broken line indicates a ruled line. In this blank, a rectangular bottom surface portion b1 corresponding to the bottom surface of the cardboard box is located at the center, and four side surface portions b2 connected to the four sides and a lid portion b3 of the cardboard box connected to the end of the side surface portions It is a cross shaped blank having. The cardboard box to be assembled from this blank has a structure in which the bottom is at the bottom, the opening is at the top, and the lid is closed on the cardboard box.

  FIG. 3 shows a cardboard box blank (a) called an irregular A-type cardboard box and a cardboard box (b) assembled from the blank. This cardboard box is a modification of a fixed type A cardboard box. This blank is a rectangular blank, centering on a rectangular bottom portion C1 corresponding to the bottom surface of the cardboard box, and having a number of side portions and a lid portion corresponding to the lid of the cardboard box around it. The cardboard box to be assembled from this blank has a structure in which the bottom is at the bottom, the opening is at the top, and the lid is closed on the cardboard box.

  In this cardboard blank manufacturing apparatus 1, the user operates the control panel 6 to set the information on the size of the cardboard box and the above-mentioned type of blank. The dimensions of the one-step sheet P include the thickness, the pitch of the corrugations, and the like. In addition, the size of the cardboard box refers to the vertical, horizontal and height dimensions. When these settings are performed, the control device 5 determines the dimensions L1 to L3 (see FIG. 2A) of each part of the cardboard blank based on the set information, and the conveying device 2, the longitudinal cutting device 3, The crossing device 4 is driven to cut in the width direction and the longitudinal direction while conveying or stopping the single-stage sheet P. Specifically, when making a cut in the longitudinal direction of the single-tiered sheet P, first, with the conveyance device 2 stopped, the longitudinal cutting device 3 sets the frame by the left-right moving mechanism 34 so as to have the set sheet width. Moved on 32 Thereafter, the cutting blade is lowered onto the one-step sheet P by the vertical movement mechanism 35, and in this state, the conveyance device 2 is driven to make a cut. When a cut is made in the width direction of the single-tiered sheet P, when the conveying device 2 is stopped when the cut position is reached, the transverse cutting unit 43 is moved by the left-right moving mechanism 44 above the guide rail 42 above the cutting start position. Be moved. Thereafter, the cutting blade is lowered onto the one-step sheet P by the vertical movement mechanism 45, and is moved on the one-step sheet P to the cutting end position by the left-right movement mechanism 44. At the longitudinal ends of one corrugated cardboard blank, the entire width direction is cut, and as a result, a large number of corrugated cardboard blanks are manufactured continuously in a separated state. It should be noted that the cutting position and the position of the ruled line may be determined by receiving data such as dimensions of the cardboard box sent online instead of manually input by the user.

  Further, at this time, the control device 5 detects the position of the corrugated sheet of the one-step sheet P, and adjusts the cutting edge 4a of the crossing device 4 so that the cutting position is the valley of the corrugated sheet (FIG. 1 (C)). This adjustment is performed, for example, by the dimension L4 of the portion corresponding to the lid. Further, it is performed by finely adjusting the dimensions L1 and L3 in the longitudinal direction among the dimensions L1 to L3 described above. For this reason, in this embodiment, it is possible to make a straight cut along the valley of the corrugated sheet with respect to the one-step sheet P.

FIG. 4 shows a schematic configuration of a cardboard blank manufacturing apparatus 1 according to a second embodiment of the present invention. This embodiment is characterized in that a pressing device 46 is provided which presses a portion where the cross cutting device 4 cuts the single-tiered sheet P. The pressing device 46 is disposed immediately upstream of the crossing device 4 and comprises, for example, a pressing roll.
According to such a configuration, even if the portion to be cut by the cutting blade 4a of the crossing device 4 is in the vicinity of the peak of the corrugated sheet, the cutting edge 4a is because the peak is in a crushed state. When contacted, the corrugated sheet does not escape and a straight clean cut can be made (see FIG. 4 (b)).

  FIG. 5 shows a schematic configuration of a cardboard blank manufacturing apparatus 1 according to a third embodiment of the present invention. In this embodiment, there is provided a sheet sticking apparatus 51 for sticking a sheet (hereinafter referred to as functional sheet M) having a special function such as buffer property, heat retention property, waterproof property and water repellency to a cardboard blank. The sticking device 51 is disposed at a later stage than the longitudinal cutting device 3 and the transverse cutting device 4, and the functional sheet M is placed on the upper surface of the single-stage sheet P cut by the longitudinal cutting device 3 and the transverse cutting device 4. It is pasted. The sticking device 51 is provided with an adhesive application device 7 for applying an adhesive (hot melt or the like) to the ridge portion of the corrugated sheet of the single-stage sheet P, and the functionality is applied to the upper surface of the single-stage sheet P coated with the adhesive. After loading the sheet M, the functional sheet M is attached to the one-stage sheet P by pressing the functional sheet M against the one-stage sheet P with a crimping machine (not shown). The adhesive application device 7 may apply the adhesive to all the peaks of the corrugated sheet of the one-step sheet P, or may apply the adhesive to a part of the peaks of the corrugated sheet. .

  With such a configuration, it is possible to obtain a cardboard box in a state in which the functional sheet is attached to the inner surface from the cardboard blank manufactured by the cardboard blank manufacturing device 1 according to the present embodiment. In the past, such a cardboard box was difficult to automate because the functional sheet was pasted after assembling the cardboard box, but pasting the functional sheet in the state of the cardboard blank facilitates the above-described series of processes. Can be automated.

In addition, although the case where a blank was manufactured using a single-tiered sheet was mentioned as the example and demonstrated in the said Example, this invention is applicable also to the apparatus which manufactures a blank using a double-sided corrugated sheet. In this case, the double-sided corrugated sheet is not in the form of a roll but supplied in the form of a sheet.
Further, the sheet sticking device 51 may stick a sheet corresponding to a flat plate of corrugated cardboard on the upper surface of the one-stage sheet P. In this way, it is possible to manufacture a double-faced corrugated cardboard blank from the roll-shaped one-stage sheet.

  Further, in the example of FIGS. 1 to 4, the corrugated sheet may be transported downward and the flat plate may be transported upward. In this case, if the manufactured blank is assembled as it is into a cardboard box, the corrugated sheet will come to the outside. Such a cardboard box is somewhat inferior in cushioning function, but becomes a cardboard box rich in design.

  FIG. 6 shows a schematic configuration of a cardboard blank manufacturing apparatus 1 according to a fourth embodiment of the present invention. The corrugated board blank manufacturing apparatus 1 of this embodiment includes a support portion 21 rotatably supporting the roll-shaped single-tiered sheet P1 and a roll-shaped flat sheet Q1 rotatably upstream of the longitudinal cutting device 3 and the transverse cutting device 4 Supporting portion 63, an adhesive applying device 7 for applying an adhesive on the one-step sheet P, and two bonding rollers for sandwiching and joining the one-step sheet P and the flat sheet Q on which the adhesive is applied. And eight. The conveying device has a roller conveyor 22 for conveying the single-stage sheet P and a roller conveyor 62 for conveying the flat sheet Q, and the single-stage sheet P and the flat sheet Q conveyed by both conveyors 22 and 62 are longitudinal cutting devices After being laminated and bonded in front of 3 and the cross cutting device 4, they are made into a double-faced corrugated sheet R 1, and then cut by the longitudinal cutting device 3 and the cross cutting device 4. In order to stably and stably cut the thick double-faced cardboard sheet R1, the cutting edges of the longitudinal cutting device 3 and the horizontal cutting device 4 are desirably push-cutting blades such as a cutter, a slitter, or a slotter.

  With such a configuration, it is possible to draw a single-tiered sheet P and a flat sheet Q from the roll-shaped single-tiered sheet P1 and the rolled flat sheet Q1 as much as necessary to form a double-sided corrugated cardboard sheet R1 to produce a double-sided corrugated blank Become. In other words, since the single-stage sheet and the flat sheet can be stored in the state of a roll until the double-sided corrugated blank is manufactured, the storage space is smaller than in the case of storage in the state of the flat double-sided corrugated sheet It's over. In addition, since the cartons are double-tiered, cushioning and heat retention are further added.

  In this embodiment, the functional sheet M of the third embodiment may be supported by the support portion 63, and the functional sheet M may be bonded to the one-stage sheet P. An adhesive may be applied to the flat sheet Q or the functional sheet M.

  FIG. 7 shows a schematic configuration of a cardboard blank manufacturing apparatus 1 according to a fifth embodiment of the present invention. The corrugated cardboard blank manufacturing apparatus 1 of this embodiment is provided with the roll-shaped single-tiered sheet P1 and the two supporting portions 21 upstream of the vertical cutting device 3 and the horizontal cutting device 4. In the two single-stage sheets P, the phases of the corrugated plates are aligned so that the peaks of one corrugated sheet enter the valleys of the corrugated sheet by the respective conveying devices, and the two bonding rollers 8 It is transported between. As a result, the two single-tiered sheets P exactly overlap each other to form a single corrugated sheet S (hereinafter, this double-sided corrugated sheet is also referred to as a "double corrugated sheet"). Thereafter, the double-walled cardboard sheet S is cut by the vertical cutting device 3 and the horizontal cutting device 4. In addition, in order to cut | disconnect thick double corrugated-cardboard sheet S smoothly and stably, the cutting blade of the vertical cutting apparatus 3 of this Example and the horizontal cutting apparatus 4 is pushing cutting blades, such as a cutter, a slitter, and a slotter.

  Unlike the normal double-sided corrugated cardboard sheet, the double-faced corrugated cardboard sheet S configured in this way has a configuration in which two corrugated sheets are sandwiched between two corrugated sheets. Therefore, it is possible to manufacture a cardboard box that is more cushioning than a cardboard box made of two conventional cardboard sheets. In addition, since the two single-tiered sheets P are joined such that the peaks and valleys of the corrugated plates enter each other (to be complementary), the contact area between the two is very large, and the friction between the two The single-stage sheet P is hard to separate. However, an adhesive application device may be provided on the front side where two single-stage sheets P are stacked, and an adhesive may be applied to at least a part of one corrugated sheet of the single-stage sheet P from the adhesive application device. As a result, the joining of the two single-tiered sheets P can be further strengthened.

In general, in the case of a single-stage sheet, paper having the same basis weight (g / m ² ) is used as the corrugated sheet and flat sheet. Therefore, when two normal single-tiered sheets are stacked to form a double corrugated cardboard sheet S, the two corrugated sheets overlap each other, which is heavier than the normal double-sided corrugated cardboard sheet. Therefore, when weighing the flat plate of 120 g / ^{m 2,} weighed uses the corrugated plate about 50~60g / ^{m 2,} it is preferable to produce a double corrugated sheet S. However, you may use normal single-step sheet (The corrugated sheet and the flat board are the same basis weight) with high availability.

  FIG. 8 shows a schematic configuration of a cardboard blank manufacturing apparatus 1 according to a sixth embodiment of the present invention. In this embodiment, the cardboard blank manufacturing apparatus of the fifth embodiment is characterized by further including a ruled line forming device 61 (FIG. 8A). In the present embodiment, the ruled line forming device 61 is disposed downstream of the vertical cutting device 3 and the horizontal cutting device 4 and comprises a ruled line roller 61a.

With such a configuration, it is possible to form a ruled line by pressing the ruled line roller 61a on the double-walled cardboard sheet S (FIG. 8 (b)). The ruled line roller provided in the longitudinal cutting device 3 and the transverse cutting device 4 is used to insert a ruled line at a bending point, but the curved line forming roller 61a of the ruled line forming device 61 is cut by the longitudinal cutting device 3 and the transverse cutting device 4 It is used to place a ruled line in a place other than the place to be bent, such as a place where two single-stage sheets P are easily separated because they are inserted, or a place where the joining of two single-stage sheets P is desired to be reinforced. Be Therefore, the ruled lines are formed in the direction parallel to and perpendicular to the corrugations of the double-walled cardboard sheet S. In addition, you may put in the direction which crosses the direction of a wave. As a result, the joining of the two single-tiered sheets P constituting the double corrugated cardboard sheet S becomes stronger, and it becomes difficult to separate the two single-tiered sheets P even if they are not bonded by the adhesive.
The ruled line forming device 61 may be provided upstream of the vertical cutting device 3 and the horizontal cutting device 4. Further, the ruled line forming device 61 is not limited as long as it has a configuration provided with a ruled line, and includes, for example, a creased blade and a blade pan disposed opposite to the creased blade, and a double corrugated cardboard sheet is provided between them. S may be disposed to pass through.

  FIG. 9 is a view showing a schematic configuration of an example of an automatic goods packing system 100 equipped with a corrugated cardboard blank manufacturing apparatus according to the present invention, and FIG. 10 is a corrugated board in each part in the system of the same example. FIG. 6 is a schematic view showing the state of in FIG. The product automatic packaging system (hereinafter simply referred to as a system) 100 of the present embodiment automatically carries out from preparation of a cardboard box according to the size of the product to packaging of the product and preparation for shipment.

  The present system 100 includes a control unit 101 that controls each part of a product packaging / sizing line L11, a cardboard box formation / packing line L12, and each line L11 and L12, and a setting for setting and inputting operation conditions of each part It comprises an input unit 102 and the like. The control unit 101 includes a computer, and controls the operation of each unit based on the operating conditions set in the setting input unit 102 and information input from each unit. The setting input unit 102 includes a display and a keyboard connected to the control unit 101.

First, the packaging and measurement line L11 will be described. The packaging and measurement line L11 includes a shrink packaging unit 110, an imaging unit 120, a transport unit 130, and roller conveyers B1, B2, and B3 that connect the components and transport goods.
The shrink wrapping unit 110 includes a film supply device 111, a heat seal device 112, and a heating device 113.
The film supply device 111 includes film rolls FR1 and FR2 disposed above and below the conveyor B1 and the conveyor B2, and a heat-shrinkable plastic film (hereinafter simply referred to as a film) F wound around the film rolls. It is composed of guide rollers 115a and 115b for guiding the film F. The film rolls FR1 and FR2 are provided on the support rods 114a and 114b disposed above and below the conveyer B2 such that the film F is perpendicular to the conveyance surface of the conveyers B1 and B2 and perpendicular to the traveling direction of the conveyers B1 and B2. It is supported.
The heat sealing device 112 is disposed immediately downstream of the film supply device 111 between the conveyor B1 and the conveyor B2.
The heating device 113 is disposed in the middle of the conveyor B2, and includes a U-shaped tunnel covering the conveyor B2 and a heater provided inside the tunnel.

  The imaging unit 120 includes a mounting table 121 on which the product is placed, and cameras 122 and 123 provided on the side and upper portions of the mounting table 121, respectively. The image data of the product photographed by the cameras 122 and 123 is transmitted to the control unit 101. The control unit 101 calculates the size (vertical × horizontal × height) of the product from the image data, and outputs the size data to each part of the box formation / packing line L12 described later.

  The transport unit 130 includes a conveyor B3 extending toward a product insertion position 173 of a box formation / packing line L12 described later, and a product input arm member 131 which grips the product and puts the product into a cardboard box. The commodity input arm member 131 is disposed near the downstream end of the conveyor B3.

  Next, the box formation / packing line L12 will be described. The box formation / packing line L12 includes a corrugated cardboard supply unit 140, a cut and creased line formation unit 150, a box formation unit 160, a shock absorbing material / product insertion unit 170, a packing unit 180, and the corrugated paper supply unit 140 to the packing unit 180. And a conveyor B5 for transporting the cardboard toward the downstream.

The corrugated cardboard supply unit 140 includes two supporting portions 143 for supporting two roll-shaped single-stage sheets (supply rolls) P1a and P1b, and single-stage sheets Pa and Pb drawn from the two roll-shaped single-stage sheets P1a and P1b, respectively. Bonding rollers 141a and 141b for bonding together to form a single cardboard sheet. Two single-stage sheets Pa and Pb are drawn out from the two roll-shaped single-stage sheets P1a and P1b such that the corrugated plates face each other. For this reason, in the present embodiment, two corrugated sheets Pa and Pb are joined by joining rollers 141a and 141b such that the corrugated plates overlap each other, and a double corrugated cardboard sheet Sa (see the sixth embodiment) is formed. Ru. The double corrugated cardboard sheet Sa is conveyed by the conveyor B5 to the cutting and crease forming section 150.
Each of the two support portions 143 has a supply roll support shaft and a spare roll support shaft. The supply roll support shaft and the spare roll support shaft are connected by one connecting rod, and when the supply rolls P1a and P1b are lost, the connecting rod is rotated 180 ° to supply the spare rolls P1a ′ and P1b ′. Let's roll.

The cutting and ruled line forming unit 150 is a frame for holding the longitudinal cutting cutter 151 and the horizontal cutting cutter 152, slitters 153, slotters 154, vertical creased rollers 155, horizontal creased rollers 156, which cut the corrugated cardboard sheet, and these Alternatively, it comprises a guide rail and a drive mechanism (not shown) for moving the guide rails left and right or up and down, and a take-up roll 157 for taking up a corrugated sheet cut from the corrugated sheet by the vertical cutter 151. Size data of the product is supplied from the control unit 101 to the cutting and ruled line forming unit 150, and the driving mechanism works based on the size data, and the cutting and ruled line forming unit 150 is a vertical cutting cutter 151 and a horizontal cutting The cutter 152, the slitter 153, the slotter 154, the vertical scoring roller 155, and the horizontal scoring roller 156 are operated.
FIG. 11 shows an example of the corrugated cardboard sheet (corrugated cardboard blank S1) after passing through the cutting and crease forming section 150. As shown in FIG. As shown in FIG. 11, the corrugated cardboard blank S1 is a side piece s1 to s4, which becomes a side when assembled in a corrugated box, an adhesive strip s21, an adhesive portion s22, and a bottom piece s11, s12, s13, s14 which becomes a bottom , Ceiling pieces s15, s16, s17, s18. The width and length of each piece are determined by the size data input from the control unit 101.
In the present embodiment, the vertical cutter 151 corresponds to the vertical cutting device 3 of the sixth embodiment, the horizontal cutter 152, the slitter 153 and the slotter 154 correspond to the horizontal cutting device of the sixth embodiment, The horizontal ruled line forming roller 156 corresponds to the ruled line forming device 61 of the sixth embodiment.

  The box forming unit 160 is configured of an adhesion mechanism, a box deployment mechanism, a taping mechanism, and an arm member (not shown).

The bonding mechanism includes an arm member (not shown) for bending the adhesive filter s21 of the cardboard blank S1, an adhesive supply portion 161 for supplying an adhesive to the adhesive filter s21, and a pressing member 162 for pressing the adhesive portion.
The box deployment mechanism consists of two rectangular frame members 163. The rectangular frame member 163 is configured to be stretchable in the vertical and horizontal directions, and is changed to an appropriate size according to the size of the cardboard blank. The rectangular frame member 163 is inserted into a corrugated cardboard blank which is made annular by bonding the adhesive filter s21 by the bonding mechanism, and then raised to expand the corrugated cardboard blank into a tubular shape.
The taping mechanism includes an arm member (not shown) that bends the bottom pieces s11, s12, s13, and s14 of the cardboard blank S1 inward to form a bottom, and a tape portion 166 that supplies a tape from a tape supply port. The tape portion 166 is disposed above the conveyer B5 so that the tape can be supplied along the boundary between the two bent bottom pieces s11 and s13.

  The shock absorbing material / product loading section 170 is composed of a bottom shock absorbing material loading tank 171 and a side / ceiling shock absorbing material loading tank 172 provided above the conveyor B5, and a product loading position 173 disposed therebetween. . Granular shock absorbing material (for example, expanded polystyrene particles having a diameter of 1 to several mm) 174 is accommodated in the bottom shock absorbing material charging tank 171 and the side and ceiling shock absorbing material charging tank 172.

  The packing unit 180 includes an arm member (not shown) that bends the ceiling pieces s15, s16, s17, and s18 inward, and a tape unit 181 that holds the tape material and supplies the tape from the tape supply port. The tape portion 181 is disposed above the conveyer B5 so that the tape can be supplied along the boundary between the two ceiling pieces s15 and s17 forming the ceiling of the box.

  Hereinafter, the operation of the system 100 of this embodiment will be described with reference to FIGS. FIG. 12 is a flowchart showing the operation of the system 100 of the present embodiment.

  First, the operator sets and inputs the operating conditions of each part such as the speed of each conveyor suitable for the cardboard sheet to be used and the product to be packed and the photographing range in the photographing part 120 from the setting input part 102 (step S11) . The information set and input here is sent to the control unit 101.

Subsequently, the goods to be packaged are placed upstream of the conveyor B1, and the operation of the system 100 is started. In addition, when packing up a plurality of goods collectively, a plurality of goods are put together in an appropriate form. Also, if the product is small, or if it is not possible to put together a plurality of products, arrange the products on one cardboard sheet (assembly work).
When the operation is started, the goods get on the conveyor B1 and go to the film supply device 111 and abut on the film F. As a result, the product gets on the conveyor B2 while pulling out the film F from the film rolls FR1 and FR2, and flows further downstream. Then, when the entire product passes through the film supply device 111, the heat sealing device 112 operates to thermally fuse the film F and cut the thermally fused portion. Thereby, the film F which covers goods is separated from the film F supplied from film roll FR1 and FR2. Thereafter, the goods covered with the film F are conveyed to the heating device 113 by the conveyor B2, and while passing through the tunnel, the film F is heated and shrunk by the heater in the tunnel to shrink package the goods (step S12).

  When the product reaches the end of the conveyor B2, the product is placed at the photographing position on the mounting table 121 by the arm member (not shown) (arrow (1) in FIG. 9). Thereafter, the side surface and the top surface of the product are photographed by the cameras 122 and 123, respectively (step S13), and the image data is transmitted to the control unit 101. When the photographing is finished, the goods are transferred onto the conveyor B3 by an arm member (not shown) (arrow (2) in FIG. 9).

  The goods transferred to the conveyer B3 are conveyed downstream on the conveyer B3, and conveyed to the front of the goods introduction position 173 of the buffer material / goods introduction part 170 of the box formation / packing line L12. Therefore, the control unit 101 temporarily stops the conveyor B3.

On the other hand, the control unit 101 calculates the size of the product from the received image data (step S14), determines the size of each part of the box for storing the product, the amount of buffer material, etc. It sends to each part of line L12 (step S15).
In the box formation / packing line L12, based on the information on the dimensions of the box, the amount of shock absorbing material, etc. sent from the control unit 101, the cutting / line forming unit 150, the box forming unit 160, the shock absorbing material / product introduction unit 170 , The packing unit 180 is operated.

  Specifically, two single-stage sheets Pa and Pb are supplied from the upper and lower roll-like single-stage sheets P1a and P1b of the cardboard supply unit 140 onto the conveyor B5 via the joining rollers 141a and 141b, and both single-stage sheets The corrugated plates of Pa and Pb are joined so that they overlap each other to form a double corrugated cardboard sheet Sa (step S16).

  In the cutting / ruled line forming unit 150, the cutters 151, 152, the slitter 153, the slotter 154, and the ruled line rollers 155, 156 operate based on the size of each part of the box, and the corrugated board blank S1 is formed (step S17). The conveyor B5 is in operation when the cutters 151 and 152 and the scoring rollers 155 and 156 cut or crease the corrugated cardboard blank S1 in the longitudinal direction (direction parallel to the direction of movement of the conveyor B5). However, when a cut or a ruled line is made in the lateral direction of the cardboard blank S1 (direction perpendicular to the traveling direction of the conveyor B5), the conveyor B5 is stopped.

  The cardboard blank S1 is sent to the box forming unit 160 on the conveyor B5. As described above, in the box formation unit 160, the adhesive filter mechanism adheres the adhesive strip s21 of the cardboard blank S1 to the adhesive portion s22 (step S18), and then develops the cylindrical shape by the box expansion mechanism (step S19) . Thereafter, bottom pieces s12, s14, s11 and s13 are sequentially bent inward by an arm member (not shown), a tape is attached by the taping mechanism of box forming portion 160, and the bottom portion of corrugated board blank S1 is formed. It becomes S2 (step S20).

  The box S2 is raised by the arm member (not shown) so that the bottom is at the bottom (arrow (3) in FIG. 9), and is sent to the buffer / product insertion portion 170. Here, first, the cushioning material 174 is thrown into the inside of the box S2 by the bottom cushioning material charging tank 171, and waits at the end of the conveyer B3 by the commodity feeding arm member 131 of the packaging / sizing line L11 at the commodity loading position 173. The shredded packaged product is placed (arrow (4) in FIG. 9), and the buffer material 174 is introduced into the inside of the box S2 from the side / ceiling buffer introduction tank 172 (step S21). Here, the amount of the shock absorbing material 174 to be introduced to the bottom or the side surface / ceiling of the box S2 is appropriately determined by the control unit 101 as described above. In addition, when a shock absorbing material or goods are thrown in in box S2, conveyor B5 is suitably stopped by control part 101.

  Thereafter, the ceiling pieces s16, s18, s15 and s17 of the box S2 are sequentially bent inward by the arm member (not shown), the tape is attached by the taping mechanism of the packing unit 180, and the box S2 is closed (step S22) ). Thus, the product is completely packed.

  The packaged product is ready to be shipped as it is printed on the side surface or the top surface by another device or an invoice is attached.

  As described above, in the system 100 of the present embodiment, it is possible to automate the part which the operator has been doing manually. Further, in the system 100 of the present embodiment, the images taken by the cameras 122 and 123 of the shrink-wrapped product are analyzed, and the size of the product to be packaged is measured, and the cardboard box sized to the size of the product is measured. Can be manufactured on demand, so waste of cardboard material can be eliminated. In addition, it is possible to pack the product efficiently by adjusting the amount of the shock absorbing material 174 to be introduced from the size of the product.

  FIGS. 13-15 is a figure which shows the schematic structure of the modification of the goods automatic packing system provided with the corrugated-cardboard blank manufacturing apparatus which concerns on this invention, respectively. In the system of the modification of FIG. 13, the corrugated cardboard supply unit 140 includes a rolled single-stage sheet P1 b, a preliminary rolled single-stage sheet P1 b ′, and a support unit 143 for supporting them. , One-step sheet Pb. In the system of the modification of FIG. 14, the corrugated cardboard supply unit 140 includes a sheet supply unit 142 in which a plurality of corrugated cardboard sheets already cut into a predetermined size are stacked and stocked, and the corrugated cardboard supplied from the sheet supply unit 142 is , Sheet-like cardboard P2. In the system of the modification of FIG. 15, the corrugated cardboard supply unit 140 is provided with a roll-shaped single-stage sheet P1a at the upper stage, a roll-shaped single-stage sheet P1b at the lower stage, and a sheet supply unit 142. The operator may form the double corrugated cardboard sheet Sa by stacking the upper roll-shaped single-step sheet P1a and the lower lower-rolled single-stage sheet P1b from the setting input unit 102, or the upper roll-shaped single-stage sheet P1a or lower It is possible to set / enter whether to use the single-stage sheet Pa or Pb using only one of the roll-shaped single-stage sheets P1b or to use the sheet-like cardboard P2 using the sheet supply unit 142 Corrugated cardboard sheets can be switched to suit. Although some parts are omitted and not shown in FIGS. 13 to 15, the other parts are the same as those of the system of FIG.

  Also in the modification of FIGS. 13-15, it becomes possible to pack goods automatically and efficiently, like the above-mentioned system 100.

  Next, the configuration of the double-walled cardboard sheet, that is, the double-sided cardboard sheet according to the present invention will be described in detail.

  A first embodiment of the double-sided corrugated cardboard sheet according to the present invention is shown in FIG. In the double-sided corrugated sheet 220 of this embodiment, two single-sided corrugated sheets are stacked so that the phase of the corrugated sheet of one single-sided corrugated sheet and the phase of the corrugated sheet of the other single-sided corrugated sheet coincide. A ruled line 221 is inserted at an edge parallel to the wave. As a result, the two single-sided corrugated sheets do not peel off easily, and can be used as a normal double-sided corrugated sheet. In particular, it is suitable for winding and protecting a cylindrical package.

  A second embodiment of the double-sided corrugated sheet according to the present invention is shown in FIG. In the double-sided corrugated sheet 230 of this embodiment, two single-sided corrugated sheets are stacked so that the phases of the corrugated sheets of both single-sided corrugated sheets coincide, and a crease 231 is inserted at the edge perpendicular to the corrugated sheet. It is As a result, the two single-sided corrugated sheets do not peel off easily, and can be used as a normal double-sided corrugated sheet. The double-faced corrugated sheet of the present embodiment can also be used for winding and protecting a cylindrical object to be packed, and can also be used as a material of a corrugated box.

  A third embodiment of the double-sided corrugated sheet according to the present invention is shown in FIG. In the double-sided corrugated sheet 240 of this embodiment, two single-sided corrugated sheets are stacked so that the phases of the corrugated sheets of both single-sided corrugated sheets coincide, and perpendicular to the wave surface And a ruled line 242 parallel to the wave. As a result, the two single-sided corrugated sheets do not peel off easily, and can be used as a normal double-sided corrugated sheet. The double-faced corrugated sheet of the present embodiment can also be used for winding and protecting a cylindrical object to be packed, and can also be used as a material of a corrugated box.

  FIG. 20 shows a schematic configuration of an apparatus for manufacturing the double-sided corrugated sheet of the present invention as a long sheet. This double-faced corrugated sheet manufacturing apparatus 350 (hereinafter, also simply referred to as "production apparatus") is drawn from two holding portions 351 and 352 for holding a roll of a single-faced corrugated sheet as a raw material and each roll A conveying portion 353 for conveying single-faced cardboard sheets TP1 and TP2, a joint portion 354 provided on the first stage side of the conveying portion 353, a ruled line forming portion 355 provided in the latter stage, and a manufactured double-faced corrugated sheet TP A take-up unit 356 and a control unit 357 for controlling the respective units are provided. An input unit 358 is connected to the control unit 357.

The joint portion 354 includes two introduction rolls 541 and 542 for guiding the two single-faced corrugated sheets TP1 and TP2 pulled out from the rolls of the holding portions 351 and 352 so that the side of the corrugated sheet approaches and Two bonding rolls 543 and 544 for bonding the single-faced corrugated sheets TP1 and TP2 so that the corrugated sheets are in phase (that is, the valley of one corrugated sheet just enters the pile of the corrugated sheet) It consists of
A plan view of the double-faced cardboard sheet TP manufactured by the present manufacturing apparatus 350 is shown in FIG. This double-faced corrugated sheet TP is provided with a continuous ruled line TL1 immediately inside the both side edges, and inside the short ruled line TL2 perpendicular (longitudinal direction) to the wave and short (horizontal direction) parallel to the wave Ruled lines TL3 are periodically provided.

  The ruled line formation portion 355 for forming such a ruled line is composed of a horizontal ruled line formation portion 551, a first vertical ruled line formation portion 552, and a second vertical ruled line formation portion 553 as shown in FIG. In FIG. 22A, the horizontal ruled line formation unit 551, the first vertical ruled line formation unit 552, and the second vertical ruled line formation unit 553 are arranged in this order, but the arrangement order of these units is arbitrary. As shown in FIG. 22B, the horizontal ruled line forming portion 551 is stretched between the support portions 554 and 555 disposed on both sides of the transport path TR (double-sided corrugated sheet TP) so as to be orthogonal to the transport path TR. It consists of a passed guide rail 556 and a disc-like creased roller 557 driven to run within the guide rail 556. The guide rails 556 can move up and down between the support portions 554 and 555 on both sides.

  As shown in FIG. 22C, the first and second vertical ruled line forming portions 552 and 553 are also guide rails 558 bridged between the support portions 554 and 555 on both sides so as to be orthogonal to the transport path TR. And a disc-like ruled-line roller 559 which can be freely driven on the guide rail 558. The creased roller 559 is movable along the guide rail 558, but the position on the guide rail 558 is fixed while manufacturing one double-sided corrugated sheet.

The operation of each part when producing a double-faced cardboard sheet TP by this double-faced cardboard sheet production apparatus 350 will be described below with reference to the flowchart of FIG.
First, the user inputs, through the input unit 358, the type (longitudinal or horizontal) of the ruled line provided on the double-faced corrugated cardboard sheet TP and the length thereof, the ruled line parameters such as the frequency of entering each ruled line, the conveyance speed of the corrugated sheet (Step S31). In this manufacturing apparatus 350, as shown in FIG. 21, vertical ruled lines TL1 are continuously formed immediately inside both side edges of the double-faced corrugated sheet TP, and short vertical ruled lines TL2 and short horizontal ruled lines TL3 are periodically formed therein. Form.

  When receiving these input data, the control unit 357 first moves the ruled line roller 559 of the first vertical ruled line forming unit 552 to a position immediately inside the both sides of the double-faced cardboard sheet TP, and the second vertical ruled line forming unit 553 Is moved to the position of the input vertical ruled line TL2 (step S32). Then, the guide rail 558 of the first vertical ruled line forming unit 552 is lowered (step S33), and rotational driving of each roller of the conveyance unit 353 is started (step S34). As a result, the corrugated sheets of the two single-faced corrugated sheets TP1 and TP2 pulled out from the two holding portions 351 and 352 are held by the upper and lower bonding rolls 543 and 544 at the bonding portion 354 so that the phases are aligned. Double-sided cardboard sheet TP.

In the double-faced corrugated sheet TP thus produced, the first vertical ruled line forming portion 552 forms a ruled line TL1 immediately inside the both side ends.
The control unit 357 constantly monitors the transport distance of the double-faced cardboard sheet TP, and determines whether or not the current position is a position where the inner vertical ruled line TL2 should be inserted (step S35). After being conveyed by a predetermined distance, when the position where the vertical ruled line TL2 should be inserted is reached, the control unit 357 lowers the guide rail 558 of the second vertical ruled line forming unit 553 for a predetermined time, and the vertical ruled line TL2 of the input length. (Step S36).

  Next, the control unit 357 determines whether the current position of the double-faced corrugated sheet TP is a position where the horizontal ruled line TL3 should be inserted (step S37), and when the double-sided corrugated sheet TP comes to the position where the horizontal ruled line TL3 is to be inserted. The drive of the conveyance part 353 is stopped, and the double-sided cardboard sheet TP is stopped (step S38). Then, the guide rail 556 of the horizontal ruled line forming portion 551 is lowered and the ruled line roller 557 is driven in the guide rail 556 to insert the horizontal ruled line TL3 of the input length (step S39). Thereafter, the drive of the transport unit 353 is resumed, and the double-faced cardboard sheet TP is transported again (step S40). The double-faced corrugated cardboard sheet TP thus manufactured and having the creases TL1, TL2, and TL3 formed thereon is taken up by the take-up unit 356 to be a rolled double-faced corrugated cardboard sheet.

  The double-sided corrugated sheet manufacturing apparatus 350 further includes a gluing device in front of the introduction rolls 541 and 542 or in front of the joining rolls 543 and 544, and single-sided corrugated sheet TP1 at a place to be creased or at another place And the single-faced cardboard sheet TP2 may be glued. It is desirable to minimize the glued area at any location and to be able to separate cleanly when disassembling into two single-faced corrugated sheets after using the double-sided corrugated sheet TP.

  The schematic block diagram of the apparatus which manufactures the double-sided corrugated-cardboard sheet | seat of this invention as a sheet material or a blank in FIG. 24 is shown. The double-faced corrugated sheet manufacturing apparatus 360 is provided with a longitudinal cutting portion 361 and a transverse cutting portion 362 upstream of the ruled line forming portion 355 in the above-described manufacturing device 350, and a sheet receiving portion 363 instead of the winding portion 356.

  The present manufacturing apparatus 360 manufactures not a long double-sided corrugated sheet TP as in the manufacturing apparatus 350 but a double-sided corrugated sheet having a predetermined length, or a cardboard box blank TP3 having slits and creases inserted therein. Therefore, in addition to cutting to a predetermined length at the transverse cutting portion 362, slits are formed at the longitudinal cutting portion 361 and the transverse cutting portion 362, and the above-mentioned corrugated sheet is crushed at the ruled line forming portion 355 to join two single-faced corrugated boards In addition to the ruled lines for making, also put the creased lines.

  The above-described embodiments and modifications are all examples of the present invention, and modifications, modifications, and additions can be appropriately made within the scope of the present invention. For example, the corrugated-cardboard blank manufacturing apparatus which comprises the goods automatic packing system which concerns on this invention may be a corrugated-cardboard blank manufacturing apparatus of the said Examples 1-6. Moreover, the goods automatic packing system which concerns on this invention may be equipped with the double-sided corrugated-cardboard sheet manufacturing apparatus mentioned above in the front | former stage of a corrugated-cardboard blank manufacturing apparatus.

DESCRIPTION OF SYMBOLS 1 ... Corrugated cardboard blank manufacturing apparatus 2 ... Conveying apparatus 3 ... Vertical cutting apparatus 4 ... Cross cutting apparatus 46 ... Pressing apparatus 5 ... Control apparatus 6 ... Control panel 51 ... Sheet sticking apparatus 61 ... Line formation apparatus 7 ... Adhesive application apparatus 8; 141a, 141b: bonding roller 100: product automatic packing system 101: control unit 102: setting input unit 110: shrink packaging unit 111: film supply device 112: heat sealing device 113: heating device 114a, 114b ... support rod 115a, 115b ... Guide roller 120 ... Photographing part 121 ... Mounting table 122, 123 ... Camera 130 ... Conveying part 131 ... Commodity loading arm member 140 ... Corrugated cardboard supply part 141 a, 141 b ... Bonding roller 143 ... Supporting part 150 ... Cutting part · Line formation part 151 , 152 ... cutter 153 ... slitter 154 ... slotter 15 · · · · · · · · · · · · · · 156 lined roller 157 winding roller 160 box formation portion 161 adhesive supply portion 163 rectangular frame member 166 tape portion 170 buffer material · commodity input portion 171, 172 buffer material input tank 173 commodity Loading position 174 ... shock absorbing material 180 ... packing section 181 ... tape sections B1, B2, B3, B5 ... roller conveyor F ... film FR1, FR2 ... film roll M ... functional sheet L11 ... packaging and sizing line L12 ... box formation and packaging Line P, Pa, Pb ... Single-stage sheet P1, P1a, P1b ... Roll-like single-stage sheet P2 ... Sheet-like corrugated sheet Q ... Flat sheet Q1 ... Roll-like flat sheet R1 ... Double-sided corrugated sheet S, Sa ... Double corrugated sheet S1 ... Corrugated board Blank S2 ... Box 350, 360 ... Double-sided corrugated sheet manufacturing device 351, 352 ... Holding part 353 ... Conveying section 54: Joint section 541, 542: Introduction roll 543, 544: Bonding roll 355: Line forming section 551: Horizontal line forming section 552, 553: Vertical line forming section 554, 555: Support section 556, 558: Guide rail 557 , 559: creased roller 356: take-up unit 358: input unit 357: control unit 361: longitudinal cut portion 362: transverse cut portion 363: sheet receiving portion 220, 230, 240, TP: double-sided corrugated sheet 221, 231, 241, 242, TL1, TL2, TL3 ... ruled lines
TP1, TP2 ... single-sided cardboard sheet

Claims (10)

An apparatus for manufacturing a cardboard blank for assembling a cardboard box,
a) A composite means for aligning and overlapping the phases of the two single-sided corrugated sheets so that the piles of the corrugated sheets of one single-sided corrugated sheet enter the valleys of the corrugated sheets of the other single-sided corrugated sheet Manufacturing a double-sided corrugated sheet having ruled line forming means for inserting a separation preventing ruled line to such an extent that the corrugated sheet of the two single-sided corrugated cardboard sheets is deformed at an appropriate position of the two stacked single-sided corrugated cardboard sheets A device,
b) conveying means for conveying the double-sided corrugated sheet in a direction orthogonal to the waves of the corrugated sheet;
c) a longitudinal cutting device for cutting the double-faced corrugated cardboard sheet in a direction perpendicular to the corrugations;
d) a cross-cutting device for cutting the double-sided corrugated sheet in a direction along the wave of the double-sided corrugated sheet;
e) sizing means for receiving information on the size of the cardboard box;
f) Cutting position determining means for determining the size of the corrugated board blank and the cutting position by the vertical cutting device and the horizontal cutting device from the information of the size;
g) A corrugated board blank manufacturing apparatus, comprising: control means for controlling the longitudinal cutting device and the cross cutting device based on the cutting position determined by the cutting position determination means. In the cardboard blank manufacturing apparatus according to claim 1,
further,
A cardboard blank manufacturing apparatus comprising: a pressing device which squeezes in advance a portion where the crossing device makes a cut. An apparatus for manufacturing a cardboard blank for assembling a cardboard box,
a) A composite means for aligning and overlapping the phases of the two single-sided corrugated sheets so that the piles of the corrugated sheets of one single-sided corrugated sheet enter the valleys of the corrugated sheets of the other single-sided corrugated sheet An apparatus for producing a double-sided corrugated sheet, comprising: adhesive application means for applying an adhesive to an appropriate portion of one or both of the two single-sided corrugated sheets before overlapping the two single-sided corrugated sheets; ,
b) conveying means for conveying the double-sided corrugated sheet in a direction orthogonal to the waves of the corrugated sheet;
c) a longitudinal cutting device for cutting the double-faced corrugated cardboard sheet in a direction perpendicular to the corrugations;
d) a cross-cutting device for cutting the double-sided corrugated sheet in a direction along the wave of the double-sided corrugated sheet;
e) sizing means for receiving information on the size of the cardboard box;
f) Cutting position determining means for determining the size of the corrugated board blank and the cutting position by the vertical cutting device and the horizontal cutting device from the information of the size;
g) control means for controlling the longitudinal cutting device and the transverse cutting device based on the cutting position determined by the cutting position determination means ;
h) A corrugated board blank manufacturing apparatus comprising: a pressing device for crushing in advance a portion where the crossing device is to be cut .   The two corrugated cardboard sheets are aligned so that the corrugated sheets of one corrugated cardboard sheet enter the valley of the corrugated sheet of the other corrugated cardboard sheet so that the piles of corrugated sheets of one corrugated cardboard sheet enter one another. A double-faced cardboard sheet with separation prevention ruled lines where the corrugated sheet of two single-faced cardboard sheets is deformed.   5. The double-sided corrugated sheet according to claim 4, wherein the separation preventing ruled line is inserted in parallel with the wave of the corrugated sheet.   The double-faced corrugated sheet according to claim 4 or 5, wherein the separation preventing ruled line is inserted perpendicularly to the wave of the corrugated sheet.   The double-faced corrugated sheet according to any one of claims 4 to 6, wherein the separation preventing crease is placed at an edge of the double-faced corrugated sheet.   The double-sided corrugated sheet according to any one of claims 4 to 7, wherein the separation preventing ruled line is inserted at a constant cycle over the entire surface of the double-sided corrugated sheet.   The double-sided corrugated cardboard sheet according to any one of claims 4 to 8, wherein the corrugated sheets of the single-sided corrugated cardboard sheet have a basis weight smaller than those of the flat plates thereof.   The two corrugated cardboard sheets are aligned so that the corrugated sheets of one corrugated cardboard sheet enter the valley of the corrugated sheet of the other corrugated cardboard sheet so that the piles of corrugated sheets of one corrugated cardboard sheet enter one another. A method of manufacturing a double-faced corrugated cardboard sheet in which a separation preventing ruled line to such an extent that the corrugated sheet of two single-faced corrugated cardboard sheets is deformed is put in place.