WO2022185951A1 - Matériau d'amortissement - Google Patents

Matériau d'amortissement Download PDF

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Publication number
WO2022185951A1
WO2022185951A1 PCT/JP2022/006625 JP2022006625W WO2022185951A1 WO 2022185951 A1 WO2022185951 A1 WO 2022185951A1 JP 2022006625 W JP2022006625 W JP 2022006625W WO 2022185951 A1 WO2022185951 A1 WO 2022185951A1
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WO
WIPO (PCT)
Prior art keywords
side wall
cushioning material
wall portion
bottom plate
portions
Prior art date
Application number
PCT/JP2022/006625
Other languages
English (en)
Japanese (ja)
Inventor
綾華 田畑
啓輔 中地
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Publication of WO2022185951A1 publication Critical patent/WO2022185951A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents

Definitions

  • the present disclosure relates to cushioning materials.
  • Patent Literature 1 discloses a cushioning material in which a cushioning portion is formed by raising the four sides of a flat sheet.
  • Patent Document 2 discloses a cushioning material in which a cushioning portion is formed to surround the four sides of the bottom plate and secure a cushioning distance, hereinafter referred to as clearance.
  • Patent Document 1 assumes manual assembly work and has a complicated structure. Therefore, this cushioning material is not suitable for assembly by an automatic assembly machine.
  • the cushioning material disclosed in Patent Document 2 has projections formed on the bottom plate to form the cushioning portion. Therefore, when storing a product having a protruding portion on the side surface of the cushioning material, the protruding portion of the product interferes with the protrusion of the cushioning material, and the protruding portion of the product cannot be protected.
  • the present disclosure has been made to solve the above-described problems, and provides a cushioning material that can be assembled by an assembly machine and that can secure a cushioning distance for protecting a product having protruding parts on the side surface. for the purpose.
  • the cushioning material according to the present disclosure has been made in view of the above circumstances, and includes a bottom plate and a pair of first side walls that rise from a pair of sides of the bottom plate and have an upper end dimension larger than a lower end dimension. and the other pair of sides of the bottom plate, the size of the upper end is larger than the size of the lower end, and both sides are bent to face the sides of the pair of first side walls, respectively. and a second sidewall. At least one side portion of the pair of second side wall portions includes a holding portion projecting into an internal space formed by the first side wall portion and the second side wall portion; a first support extending out of the interior space formed by the side wall.
  • the holding part is provided along the first side wall part, and the holding part forms a space for storing the protruding part of the product inside the cushioning material, so that the clearance can be secured. can.
  • This cushioning material is assembled by bending the side walls of the cushioning material so that the sides stand up by an assembling device.
  • FIG. 1 A diagram showing a usage pattern of a cushioning material according to Embodiment 1 of the present disclosure
  • a perspective view of a cushioning material according to Embodiment 1 Plan view of cushioning material according to Embodiment 1 3 is a perspective view showing the inside of the cushioning material according to Embodiment 1.
  • FIG. FIG. 5 is a partial enlarged view of a side portion of the second side wall portion of FIG. 4; Development view of cushioning material according to Embodiment 1 Partially enlarged view of the cushioning material in FIG.
  • An exploded view of the lid according to the first embodiment 1 is a perspective view showing an assembling device according to Embodiment 1;
  • FIG. 10 is a front view of the guide rail, insertion guide, and pawl of FIG. 9;
  • 1 is a block diagram showing the configuration of a control system for an assembling apparatus according to Embodiment 1;
  • FIG. FIG. 4 is a diagram for explaining the process of assembling the cushioning material by the assembling apparatus according to the first embodiment;
  • FIG. 4 is a diagram for explaining the process of assembling the cushioning material by the assembling apparatus according to the first embodiment;
  • FIG. 4 is a diagram for explaining the process of assembling the cushioning material by the assembling apparatus according to the first embodiment;
  • FIG. 4 is a diagram for explaining the process of assembling the cushioning material by the assembling apparatus according to the first embodiment;
  • the perspective view which shows the inside of the cushioning material which concerns on Embodiment 2.
  • FIG. 17 is a partial enlarged view of a side portion of the second side wall portion of FIG. 17; Development view of cushioning material according to Embodiment 2 The perspective view which shows the inside of the cushioning material which concerns on Embodiment 3.
  • FIG. 21 is a partial enlarged view of a side portion of the second side wall portion of FIG. 20; Development view of cushioning material according to Embodiment 3 The perspective view which shows the cushioning material which concerns on Embodiment 4.
  • Development view of cushioning material according to Embodiment 4 The perspective view which shows the inside of the cushioning material which concerns on Embodiment 4. Partially enlarged view of the side portion of the second side wall portion according to the fifth embodiment Perspective view explaining an example of using an optical sensor to discriminate the type of blank sheet
  • Embodiment 1 A cushioning material 10 and an assembly device 2 according to Embodiment 1 of the present disclosure will be described below with reference to FIGS. 1 to 16.
  • FIG. The cushioning material 10 of this embodiment has a box shape with an open top.
  • the cushioning material 10 is formed by the assembling device 2 .
  • the cushioning material 10 protects a product 400 having protruding portions 401 protruding from the sides.
  • the +Z-axis direction is the height direction of the cushioning material 10
  • the Y-axis direction is the direction parallel to one side of the rectangular bottom plate of the cushioning material 10
  • the Y-axis direction and the Z-axis direction are perpendicular to each other.
  • An XYZ coordinate system whose direction is the X-axis direction is set and referred to as appropriate.
  • the cushioning material 10 is stored inside an outer box 200 with an open top, and a product 400 to be packaged is stored inside the cushioning material 10 .
  • the upper surface of the cushioning material 10 is closed by the lid 100, and the top flap of the exterior box 200 is sealed.
  • the product 400 to be packaged has a substantially rectangular main body and protruding portions 401 protruding from two opposite sides 400a of the main body.
  • the amount of protrusion of the protruding portion 401 from the side surface 400a is W7 , as will be described later.
  • the cushioning material 10 is housed in the exterior box 200 and serves to cushion the impact applied to the product 400 while the product 400 is housed.
  • the cushioning material 10 is a box with an open top formed by assembling one sheet of plate material.
  • FIG. 2 corresponding to a perspective view of the cushioning material 10 and FIG. , and a pair of second side wall portions 13 serving as both side walls in the Y-axis direction.
  • the cushioning material 10 stores the product 400 in a rectangular space formed by the bottom plate 11 , the pair of first side walls 12 , and the pair of second side walls 13 .
  • the bottom plate 11 is composed of a rectangular plate material.
  • a pair of first side wall portions 12 and a pair of second side wall portions 13 are raised from four sides of the bottom plate 11 .
  • the widths of the bottom plate 11 in the X-axis direction and the Y-axis direction are W 1 and W 2 , respectively.
  • the width W 1 in the X-axis direction is, for example, approximately equal to or slightly larger than the width in the X-axis direction of the product 400 .
  • the width W2 in the Y - axis direction is, for example, slightly larger than the width in the Y-axis direction of the product 400 .
  • a through hole 11a is formed in the vicinity of each central portion of the side from which the first side wall portion 12 of the bottom plate 11 rises. This is because leg portions 12b, which will be described later, are formed.
  • the pair of first side walls 12 rises from two sides of the bottom plate 11 facing each other in the X-axis direction, and defines the ends of the space in which the product 400 is stored in the X-axis direction.
  • Each first side wall portion 12 has a trapezoidal portion which is continuous with a side of the bottom plate 11 and whose width increases with increasing distance from the side, and a rectangular portion which is continuous with the trapezoidal portion and has a rectangular shape with a constant width. Therefore, the length of the lower side of each first side wall portion 12 is equal to the width W2 of the bottom plate 11 in the Y-axis direction , and the rectangular portion has a maximum width W3 larger than the width W2 of the base of the trapezoidal portion.
  • the distance W 5 between the outer surfaces of the pair of first side wall portions 12 is W 1 obtained by adding the thickness W 4 of the plate member forming the first side wall portions 12 to the width W 1 of the bottom plate 11 in the X-axis direction. +2 ⁇ W is equal to 4 .
  • a leg portion 12b protrudes in the ⁇ Z-axis direction from the lower side of the first side wall portion 12. As shown in FIG.
  • the leg portion 12b has a roughly rectangular or trapezoidal shape when viewed from the front.
  • the lower sides of the legs 12b are flat and parallel to the bottom plate 11 so that they can be stably placed on the bottom surface of the outer box 200, and the protruding distances from the bottom plate 11 are equal to each other. Therefore, when the legs 12 b are placed on the bottom surface of the outer box 200 , the bottom plate 11 is separated from the bottom surface of the outer box 200 and becomes parallel to the bottom surface of the outer box 200 . This ensures a clearance in the -Z-axis direction.
  • a pair of second side wall portions 13 rise from two sides of the bottom plate 11 facing each other in the Y-axis direction, and define the Y-axis direction ends of the space for storing the product 400 .
  • the dimension of the upper end of the second side wall portion 13 is larger than the dimension of the lower end.
  • Both side portions 13 a of each second side wall portion 13 are bent by approximately 90° to face both side portions 12 a of the first side wall portion 12 .
  • each of the second side wall portions 13 has a trapezoidal portion 13b which is continuous with a side of the bottom plate 11 and whose width increases with increasing distance from the side, and a rectangular shape which is continuous with the trapezoidal portion 13b and has a constant width. and a pair of overhanging portions 13d having a rectangular shape with a constant width which are continuous with the rectangular portion 13c and project so as to form a rectangular notch in the center of the upper end portion of the second side wall portion 13. have.
  • temporary boundaries of the trapezoidal portion 13b, the rectangular portion 13c, and the projecting portion 13d are indicated by dashed lines.
  • the side portion 12a of the first side wall portion 12 and the side portion 13a of the second side wall portion 13 protrude in the Y-axis direction from the storage space in which the product 400 is stored, and provide a buffer distance, Henceforth, it functions as the 1st support part which ensures clearance.
  • a first holding portion 13e and a second holding portion 13f that are continuous with the side portion 13a are further formed on the side portion of the second side wall portion 13.
  • the first holding portion 13e is formed below the second holding portion 13f.
  • the second holding portion 13 f is formed so that the upper side thereof is at the same height as the upper side of the second side wall portion 13 .
  • the first holding portion 13e and the second holding portion 13f protrude into the internal space of the cushioning material 10 formed by the first side wall portion 12 and the second side wall portion 13, and face the first side wall portion 12. and hold the product 400 .
  • the internal space of the cushioning material 10 is defined by the first side wall portion 12 and the second side wall portion 13 and the bottom plate 11 . Further, in the internal space of the cushioning material 10, a storage space for storing the main body of the product 400 defined by the tips of the first holding portion 13e and the second holding portion 13f is defined.
  • the first holding portion 13e and the second holding portion 13f have approximately rectangular or trapezoidal shapes when viewed from the front.
  • Sides 13e-1 and 13f-1 of the first holding portion 13e and the second holding portion 13f are flat and parallel to the crease of the side portion 13a so as to contact the side surface 400a of the product 400 to be stored.
  • the projection distance W6 from the second side wall portion 13 is equal to each other.
  • This protruding distance W6 is determined from the position and size of the protruding portion 401 of the main body of the product 400 and the size of the exterior box 200 .
  • the protruding distance W6 is greater than the protruding distance W7 of the protruding portion 401 of the product 400 from the side surface 400a.
  • the main body of the second side wall portion 13 is separated from the side surface of the product 400 main body and becomes parallel to the side surface of the product 400 main body.
  • a space is further defined between the main body of the second side wall portion 13 and the main body of the product 400 in the internal space of the cushioning material 10 by the first holding portion 13e and the second holding portion 13f. 400 protruding portion 401 can be accommodated. This ensures a clearance for protecting the projecting portion 401 .
  • the top edge and side edge of the first side wall portion 12 and the top edge and side edge of the side portion 13a of the second side wall portion 13 are flush with each other.
  • the height of the cushioning material 10, that is, the height from the lower side of the leg portion 12b to the upper side of the first side wall portion 12 is smaller than the height of the internal space of the exterior box 200 by the height of the lid 100.
  • the width of the cushioning material 10 in the Y-axis direction that is, the maximum width W3 of the first side wall portion 12 is equal to or slightly smaller than the length of the interior space of the exterior box 200 in the Y-axis direction.
  • the cushioning material 10 does not rattle in the Y-axis direction within the exterior box 200 .
  • the trapezoidal portion is formed on the first side wall portion 12, it can be easily stored in the exterior box 200. As shown in FIG.
  • the width of the cushioning material 10 in the X-axis direction that is, the distance W5 between the outer surfaces of the pair of first side walls 12 is equal to or slightly smaller than the length of the interior space of the exterior box 200 in the X-axis direction. As a result, the cushioning material 10 does not rattle in the X-axis direction within the exterior box 200 .
  • the cushioning material 10 is formed by assembling plate-like members (hereinafter referred to as blank sheets) 10a each having a rectangular shape with four sides protruding in plan view.
  • the blank sheet 10a is made of cardboard.
  • a first ruled line 16a parallel to the Y-axis and a second ruled line 16a parallel to the X-axis which surrounds the portion that will become the bottom plate 11 after assembly and serves as the crease line of the valley fold during assembly.
  • 16b is provided in advance by press working or the like.
  • the interval between the first ruled lines 16a is W 1
  • the interval between the second ruled lines 16b is W 2 .
  • width W1 is, for example, approximately equal to or slightly greater than the width of product 400 in the X-axis direction.
  • the width W 2 is approximately equal to or slightly larger than W 0 +2 ⁇ W 6 where W 0 is the width in the Y-axis direction of the body portion of the product 400 excluding the projecting portion 401 .
  • a notch 11b is formed radially from each vertex of the portion forming the bottom plate 11 to form a trapezoidal portion 13b of the first side wall portion 12 and a trapezoidal portion 13b of the second side wall portion 13 separately.
  • Each of the pair of second side wall portions 13 has fold lines 2 for forming both side portions 13a functioning as buffer portions between two imaginary straight lines passing through the two first ruled lines 16a.
  • a book lead ruled line 17 is provided.
  • the lead ruled line 17 is a perforation for facilitating mountain folding at the bent position, and is formed in a straight line parallel to the Y-axis.
  • the distance between the adjacent lead ruled line 17 and the first ruled line 16a is approximately the same as the thickness W4 of one blank sheet.
  • Each notch 11b is basically formed radially and linearly from four intersections of the first ruled line 16a and the second ruled line 16b.
  • the cut 11b is formed between the first ruled line 16a and the second ruled line 16b. near the intersection of the second ruled line 16b and the lead ruled line 17, as shown in an enlarged view of FIG.
  • the second side wall portion 13 is formed with a notch 13g for forming the first holding portion 13e.
  • a boundary portion between the side portion 13 a and the first holding portion 13 e continuous with the side portion 13 a is positioned on a straight line passing through the lead ruled line 17 .
  • the lead ruled line 17 is partially interrupted so as to exclude this boundary portion.
  • a cut 13h is formed in the second side wall portion 13 to separate the rectangular portion and a part of the projecting portion 13d.
  • the notch 13h reaches the lead ruled line 17, and a part of the projecting portion 13d of the second side wall portion 13 separated by the notch 13h becomes the second holding portion 13f.
  • the lead ruled lines 17 are basically provided on the trapezoidal portion 13b and the rectangular portion of the second side wall portion 13 . However, since the first holding portion 13e projects in the direction opposite to the bending direction of the side portion 13a of the second side wall portion 13, it is not provided between the notch 13g and the side portion 13a.
  • Incisions 11c for forming leg portions 12b are formed in a pair of side portions from which the pair of first side wall portions 12 of the rectangular portion forming the bottom plate 11 rise.
  • the cushioning material 10 In order to assemble the cushioning material 10, first, the bottom plate 11 of the blank sheet 10a configured as shown in FIG. 6 is fixed. Next, the ruled line 16a is folded at approximately 90 degrees in a valley fold, and the first side wall portion 12 is raised. Further, the ruled line 16b is folded in a valley fold at approximately 90°, the second side wall portion 13 is raised, and the lead ruled line 17 is folded at a mountain fold at approximately 90°. As a result, the cushioning material 10 is assembled by making the side portions 12a of the first side wall portion 12 and the side portions 13a of the second side wall portion 13 face each other.
  • the lid 100 shown in FIG. 1 is a box-shaped member with an open upper surface composed of a rectangular top plate and side walls rising from each side of the top plate, and is made of corrugated cardboard.
  • the blank sheet 100a of the lid 100 includes a rectangular central portion 101 that constitutes a top plate, and rectangular lid side wall portions 102 that are continuous with each side of the central portion 101.
  • a central portion 101 is provided with a position mark 105 for indicating the orientation of the blank sheet 100a.
  • the position mark 105 is positioned off the center of one side of the central portion 101 so that even if the blank sheet 100a is placed in the assembling apparatus 2 with the wrong orientation, the wrong orientation of the blank sheet 100a can be determined. formed.
  • the location mark 105 can be used to place a finger on the lid 100 during unpacking.
  • the exterior box 200 shown in FIG. 1 is a box whose upper surface can be opened.
  • the exterior box 200 is separately assembled by a box making machine.
  • the cushioning material 10, the lid 100 and the outer box 200 are prepared according to the size and shape of the product 400 to be packed. For this reason, a plurality of types of blank sheets 10a and 100a are also prepared according to the size and shape of the expected product 400.
  • FIG. 1 A block diagram illustrating an exemplary computing environment in accordance with the present disclosure.
  • This assembling device 2 is capable of handling any of a plurality of types of blank sheets 10a.
  • the cushioning material assembling device 2 shown in FIG. a second insertion guide 325 for raising the second side wall portion 13, a claw portion 310 for bending both side portions 13a of the second side wall portion 13 by 90° along the lead ruled line 17, and a blank sheet 10a. It has first and second insertion guides 320 and 325 and a guide rail 330 for adjusting the position of the claw portion 310 according to the type.
  • the pressing jig 300 includes a pressing member 301 that presses the central portion corresponding to the bottom plate forming portion of the blank sheet 10a, a rod 302 that supports the pressing member 301, an elevating unit 303 that moves the rod 302 up and down, and the pressing member 301. and a position adjustment unit 304 that adjusts the position in the X-axis direction and the Y-axis direction.
  • the pressing member 301 is provided at the lower end of the pressing jig 300 .
  • the lower surface of the pressing member 301 is flat.
  • the pressing member 301 has, for example, an adsorption mechanism such as a vacuum adsorption device, and can adsorb an object in contact with the lower surface of the pressing member 301 .
  • the rod 302 supports the pressing member 301 at its lower end.
  • the rod 302 is arranged inside the lifting unit 303 .
  • the elevating unit 303 includes a cylindrical member with a rectangular cross section, whose longitudinal direction is the Z-axis direction.
  • the elevating unit 303 draws out the rod 302 downward by the power of a built-in motor to bring the pressing member 301 into contact with the central portion of the blank sheet 10a to press the cushioning material 10 . Further, the lifting unit 303 reversely drives the motor to lift the rod 302 and separate the pressing member 301 from the blank sheet 10a.
  • the position adjustment unit 304 includes two rails 304a parallel to the Y-axis and a bridging member 304b bridged between the two rails 304a and movable in the Y-axis direction.
  • the bridging member 304b supports the lifting unit 303 so as to be movable in the X-axis direction.
  • the position adjustment unit 304 can move the elevation unit 303 in the X-axis direction and the Y-axis direction to adjust the position by driving the built-in motor.
  • a claw portion 310 , first and second insertion guides 320 and 325 , and a guide rail 330 are arranged below the pressing jig 300 .
  • the claw portions 310 are brought into contact with the second side wall portions 13 of the blank sheet 10a, and are bent along the lead ruled lines 17 so that the side portions 13a are raised.
  • Four claw portions 310 are provided to raise both side portions 13a of the pair of second side wall portions 13, respectively.
  • the claw portions 310 shown in FIGS. 9 to 11 include inclined claw portions 311 that contact the upper surfaces of both side portions 13a of the pair of second side wall portions 13 of the blank sheet 10a, and support leg portions 312 that support the inclined claw portions 311. and have
  • the inclined claw portion 311 applies a lateral downward force to both side portions 13a of the second side wall portion 13 of the blank sheet 10a shown in FIG.
  • the inclined claw portion 311 bends both side portions 13a of the second side wall portion 13 downward using the lead ruled line 17 as a folding line. Therefore, as shown in FIG. 11, the inclined claw portion 311 is inclined upward so that the tip thereof is located above the side portion of the blank sheet 10a.
  • the supporting leg portions 312 are provided with the inclined claw portions 311 as shown in FIG.
  • the tip is made higher than the blank sheet 10a placed during assembly.
  • the first insertion guide 320 and the second insertion guide 325 shown in FIGS. 9 to 11 support upward the first side wall portion 12 and the second side wall portion 13 of the blank sheet 10a.
  • the first insertion guide 320 and the second insertion guide 325 move toward the first side wall portion 12 and the second side wall portion 13. and abut respectively.
  • the first side wall portion 12 and the second side wall portion 13 are raised by the first insertion guide 320 and the second insertion guide 325 .
  • first insertion guides 320 are provided for raising the pair of first side wall portions 12 .
  • second insertion guides 325 are provided to raise the pair of second side wall portions 13 .
  • the first insertion guide 320 includes a contact portion 321 that contacts the blank sheet 10a lowered by the pushing jig 300, a guide portion 322 that tilts and guides the first side wall portion 12, and the first side wall portion. and a side wall upright 323 that rises vertically to raise up 12 .
  • the second insertion guide 325 includes a contact portion 326 on which the blank sheet 10a is placed, a guide portion 327 that tilts and guides the second side wall portion 13, and a guide portion 327 that guides the second side wall portion 13. and a side wall upright portion 328 upright in the vertical direction.
  • the contact portions 321 and 326 are portions provided at the upper ends of the insertion guides 320 and 325 .
  • the upper surfaces of the contact portions 321 and 326 are parallel to the XY plane and are in surface contact with the first side wall portion 12 or the second side wall portion 13 of the cushioning material 10 so as not to damage the blank sheet 10a.
  • the contact portion 321 is configured so as not to come into contact with both side portions 13a of the second side wall portion 13 when the inclined claw portion 311 of the claw portion 310 applies force to both side portions 13a of the second side wall portion 13 in the X-axis direction. In addition, it is arranged at a position lower than the contact portion 326 of the second insertion guide 325 on which the blank sheet 10a is placed.
  • the side wall upright portion 323 stands upright to vertically raise the first side wall portion 12 . Also, the side wall upright portion 328 stands upright to vertically raise the second side wall portion 13 .
  • the guide portion 322 is a portion that is inclined in order to gradually raise the first side wall portion 12 when raising it.
  • the guide portion 322 is formed between the contact portion 321 and the side wall upright portion 323 .
  • the guide portion 327 is an inclined portion for gradually raising the second side wall portion 13 when raising it.
  • a guide portion 327 is formed between the contact portion 326 and the side wall upright portion 328 .
  • the guide rail 330 includes a pair of first guide rails 331 that support the claw portion 310, the first insertion guide 320 and the second insertion guide 325 so as to be movable in the X-axis direction, and a claw.
  • four moving members 333 that are mutually guideable and fixed.
  • the pair of first guide rails 331 are rails whose longitudinal direction is the Y-axis direction.
  • the pair of first guide rails 331 are provided parallel to each other on the XY plane.
  • the pair of first guide rails 331 are supported on a pair of pedestals 340 movable in the Y-axis direction.
  • the pedestal 340 can be arbitrarily adjusted in its interval by a ball screw mechanism.
  • the pair of second guide rails 332 are rails whose longitudinal direction is the X-axis direction.
  • the pair of second guide rails 332 are provided parallel to each other on the XY plane.
  • a second guide rail 332 is arranged below the first guide rail 331 .
  • the pair of second guide rails 332 are bridged over the pair of first guide rails 331 via a moving member 333 so as to be perpendicular to each other at a twisted position.
  • the four moving members 333 are provided at four positions where the pair of first guide rails 331 and the pair of second guide rails 332 intersect in plan view.
  • the moving member 333 can switch between a state of gripping the first guide rail 331 and a state of releasing the grip.
  • the moving member 333 can move in the Y-axis direction by moving the pedestal 340 in the Y-axis direction with the grip of the first guide rail 331 released.
  • the moving member 333 fixes the position of the pedestal 340 in the Y-axis direction, and by gripping the first guide rail 331, the position in the Y-axis direction is fixed.
  • the moving member 333 can switch between a state in which the second guide rail 332 is gripped and a state in which the grip is released.
  • the moving member 333 can move on the second guide rail 332 in the X-axis direction in a state in which the grip of the second guide rail 332 is released. It can be fixed at any position in the X-axis direction.
  • the opposing moving member 333 is configured to move the same distance in the opposite direction of the X-axis direction by a ball screw mechanism or the like.
  • a claw portion 310 is provided on the upper surface of the moving member 333 . Further, a first pedestal portion 334 provided with a first insertion guide 320 and a second pedestal portion 335 provided with a second insertion guide 325 are fixed to the side surface of the moving member 333. there is Therefore, the moving member 333, the first pedestal portion 334, and the second pedestal portion 335 move integrally.
  • a first insertion guide 320 for bending the first side wall portion 12 shown in FIG. 6 is formed lower than the support leg portion 312 of the claw portion 310 as shown in FIG. Also, the first and second insertion guides 320 and 325 are configured such that when the first insertion guide 320 is positioned to face the ruled line 16a of the blank sheet 10a, the second insertion guide 325 is positioned so as to face the ruled line 16a of the blank sheet 10a. 16b.
  • the control unit 500 comprises a processor 501, a memory 502 and an interface 503, as shown in FIG.
  • the memory 502 stores a control program for the cushioning material assembly process, which will be described later.
  • the processor 501 By executing the control program stored in the memory 502, the processor 501 supplies control signals to the mechanism section 504 via the interface 503 to control its operation.
  • the mechanism section 504 includes working sections such as the pushing jig 300, the pedestal 340, the moving member 333, and the like.
  • the control unit 500 moves the moving member 333 so as to obtain an appropriate interval between the claws 310 in the Y direction according to the blank sheet 10a of the cushioning material 10 corresponding to the outer shape and size of the product 400 to be packaged.
  • Set the Y-axis position The position of the moving member 333 in the Y-axis direction is widened as much as possible.
  • the first insertion guide 320, the second insertion guide 325, and the claw portion 310 move together. Therefore, when the pawl 310 is positioned, the first and second insertion guides 320, 325 are also positioned.
  • the blank sheet 10a of the cushioning material 10 corresponding to the outer shape and size of the product 400 to be packaged is conveyed to the assembly device 2 by a robot (not shown) or the like, and is placed against the second insertion guide 325 as shown in FIG. It is placed on the contact portion 326 .
  • control unit 500 controls the position adjusting unit 304 in a state in which the blank sheet 10a is sucked by the sucking mechanism of the pressing member 301 of the pushing jig 300, and adjusts the positions of the blank sheet 10a in the X direction and the Y direction. Fine tune, then fix.
  • the position of the claw portion 310 does not come into contact with the placed cushioning material 10, and when the claw portion 310 is moved in the X-axis direction, it comes into contact with both side portions 13a of the second side wall portion 13 of the blank sheet 10a. position. Furthermore, the position of the first insertion guide 320 is a position facing the ruled line 16 a of the first side wall portion 12 .
  • control unit 500 moves and installs the outer box 200 separately assembled by the box making machine below the assembling device 2 by a belt conveyor (not shown).
  • the control unit 500 moves the moving member 333 in the X-axis direction to move the claw portion 310 in the X-axis direction, and pinches the second side wall portion 13 with the claw portion 310 to apply force.
  • the inclined claw portions 311 of the claw portions 310 come into contact with both side portions 13 a of the second side wall portion 13 .
  • downward force is applied to both side portions 13 a of the second side wall portion 13 , and both side portions 13 a are bent along the lead ruled lines 17 .
  • the control unit 500 moves the moving member until the contact portion 321 of the first insertion guide 320 faces the ruled line 16a of the blank sheet 10a and the second insertion guide 325 faces the ruled line 16b of the blank sheet 10a. 333 is moved in the X-axis direction.
  • the control unit 500 uses the position adjustment unit 304 to place the pressing member 301 of the pressing jig 300 directly above the central portions of the eight insertion guides 320 and 325, that is, on the portion constituting the bottom plate 11. Then, the lifting unit 303 lowers the pressing member 301 . The lowered pressing member 301 presses the central portion of the blank sheet 10a. At this time, first, the second side wall portion 13 in which both side portions 13a are bent is bent at the ruled line 16b by the second insertion guide 325, and is raised.
  • the first side wall portion 12 is folded along the ruled line 16a by the first insertion guide 320 and raised.
  • the blank sheet 10a When the blank sheet 10a is further pushed by the pressing member 301, the second side wall portion 13 and the first side wall portion 12 are moved by the side wall rising portion 328 of the second insertion guide 325 to the bottom plate 11, which is the bottom plate forming area. Stand up against the forming part. Similarly, the first side wall portion 12 is raised against the formation portion of the bottom plate 11 by the side wall upright portion 323 of the first insertion guide 320 .
  • the blank sheet 10a is half-inserted into the exterior box 200 placed below by a pressing jig 300. As shown in FIG. By inserting only half of the blank sheet 10a into the outer box 200, the opening of the blank sheet 10a expands due to the repulsion of the cardboard.
  • the holding portion 13f is less likely to come into contact with the projecting portion 401, and the product 400 can be easily inserted.
  • the outer box 200 is transported to another device, and the product 400 is inserted.
  • the product 400 has no protruding portion 401 and is inserted obliquely so that the side that does not require the space formed by the first holding portion 13e and the second holding portion 13f is inserted first.
  • the blank sheet 10a is pushed by the product 400 so that the blank sheet 10a is completely inserted into the outer box 200. ⁇ As a result, the first side wall portion 12 and the second side wall portion 13 stand up perpendicularly to the portion where the bottom plate 11 is formed. Further, the bent side portions 13a of the second side wall portion 13 and the side portions 12a of the first side wall portion 12 face each other. This completes the cushioning material 10 .
  • the lid 100 is placed in a state in which the orientation can be confirmed by its position mark 105, and is pushed into the exterior box 200.
  • the lid side wall portion 102 functioning as a cushioning portion rises and closes the upper surface of the cushioning material 10 .
  • the top flap of the exterior box 200 is sealed with a separately prepared tape of a sealing machine, thereby completing the packaging operation.
  • the cushioning material 10 ensures clearance against impacts from the ⁇ Y-axis direction and the ⁇ Z-axis direction. Also, by combining the cushioning material 10 and the lid 100, it is possible to secure a clearance against impacts from the ⁇ Y-axis direction and the ⁇ Z-axis direction. Furthermore, a clearance for protecting the projecting portion 401 of the product 400 can be secured by the first holding portion 13e and the second holding portion 13f.
  • the assembling apparatus 2 bends both side portions 13a of the second side wall portion 13 from the blank sheet 10a, and then raises the first and second side wall portions 12 and 13. , the cushioning material 10 can be assembled and inserted into the outer box 200 .
  • the assembling apparatus 2 bends both side portions 13a of the second side wall portion 13 from the blank sheet 10a, and then raises the first and second side wall portions 12 and 13. , the cushioning material 10 can be assembled and inserted into the outer box 200 .
  • by automatically handling blank sheets 10a with different specifications it is possible to automate both the work of packaging products of different sizes and the work of assembling cushioning materials having a complicated structure. As a result, the workload associated with packaging products of different sizes and assembling work of cushioning materials having a complicated structure can be reduced, and the time required for packaging and assembling work can be shortened.
  • the protruding portion 401 of the product 400 is positioned substantially at the center of the side surface 400a in the height direction.
  • a first holding portion 13e is formed in the lower portion of the cushioning material 10 in the height direction
  • a second holding portion 13f is formed in the upper portion so that the projecting portion 401 can be accommodated.
  • Any number of holding portions may be arranged at any position as long as they do not interfere with the projecting portion 401 .
  • the second holding portion 13f may be arranged without arranging the first holding portion 13e.
  • the holding portion may be arranged at the central portion in the height direction.
  • the projecting portion 401 of the product 400 is arranged on two opposing side surfaces 400a, but when the projecting portion 401 is arranged only on one side surface 400a, one The second side wall portion 13 may have a holding portion as shown in FIG. 6, and the other second side wall portion 13 may have no holding portion.
  • the side surface 400a of the product 400 is a vertical surface. should be tilted. Further, when unevenness exists on the side surface 400a of the product 400, unevenness may be formed on the side surface 400a according to the unevenness so that the side surface 400a abuts on the side surface 400a.
  • cushioning material 10 includes second side wall portion 13 having first holding portion 13e and second holding portion 13f. A clearance for protecting the projecting portion 401 is ensured by the first holding portion 13e and the second holding portion 13f.
  • the cushioning material 10 includes an inclined second side wall portion 23 having a first holding portion 23e, and the first holding portion 23e and the second side wall portion 23 A clearance for protecting the projecting portion 401 may be secured by the upper end.
  • the bottom plate 11 is composed of a rectangular plate material.
  • a pair of first side wall portions 12 and a pair of second side wall portions 23 are raised from four sides of the bottom plate 11 .
  • the pair of first side walls 12 rise from two sides of the bottom plate 11 facing each other in the X-axis direction, and define the ends of the space for storing the product 400 in the X-axis direction.
  • Each first side wall portion 12 has a trapezoidal portion which is continuous with a side of the bottom plate 11 and whose width increases with increasing distance from the side, and a rectangular portion which is continuous with the trapezoidal portion and has a rectangular shape with a constant width.
  • a pair of second side wall portions 23 rise from two sides of the bottom plate 11 facing each other in the Y-axis direction, and define the Y-axis direction ends of the space for storing the product 400 .
  • the dimension of the upper end of the second side wall portion 23 is larger than the dimension of the lower end.
  • Both side portions 23 a of each second side wall portion 23 are bent by approximately 90° to face both side portions 12 a of the first side wall portion 12 .
  • Each of the second side wall portions 23 is connected to a side of the bottom plate 11 and has a first trapezoidal portion 23b whose width increases with increasing distance from the side, and a first trapezoidal portion 23b that continues to the first trapezoidal portion 23b and is separated from the side of the bottom plate 11.
  • the second trapezoidal portion 23c which has a smaller increase in width than the first trapezoidal portion 23b, is continuous with the second trapezoidal portion 23c, and the further away from the side of the bottom plate 11, the smaller the width. and a third trapezoidal portion 23d.
  • FIG. 19 temporary boundaries of the first trapezoidal portion 23b, the second trapezoidal portion 23c, and the third trapezoidal portion 23d are indicated by alternate long and short dash lines.
  • the pair of second side wall portions 23 are inclined such that the distance between the upper ends is smaller than the distance between the lower ends.
  • the angle formed by the bottom plate 11 and the second side wall portion 23 is assumed to be ⁇ 1.
  • the second side wall portion 23 is formed with a first holding portion 23e that is continuous with the side portion 23a.
  • the first holding portion 23 e protrudes into the internal space of the cushioning material 10 and extends along the first side wall portion 12 .
  • the first holding portion 23e has an approximately rectangular shape.
  • the upper end of the second side wall portion 23 contacts the upper end portion of the side surface 400a of the product 400 perpendicular to the bottom plate 11, and the first holding portion 23e At -1, it abuts the side surface 400a.
  • the first holding portion 23 e is formed in a shape that does not interfere with the bottom plate 11 .
  • the side edge 23e-1 of the first holding portion 23e is flat and inclined (90°- ⁇ 1 ) with respect to the lead ruled line 27 passing through the fold of the side portion 23a indicated by the dashed line.
  • the first holding portion 23e abuts the side surface of the product 400, so that the lower end portion of the second side wall portion 23 is exposed from the side surface of the product 400 main body.
  • the distance between the lower side of the second side wall 23 and the side surface 400a of the main body of the product 400 is W 8
  • the height of the upper side of the inclined second side wall 23 is W 9
  • the upper end of the projecting portion 401 reaches the second side wall.
  • This spacing distance W 8 is determined from the position and size of the projecting portion 401 and the size of the outer box 200 .
  • the height W 9 of the upper side is determined to be equal to or higher than the height of the product 400 .
  • the angle ⁇ 1 between the bottom plate 11 and the second side wall portion 23 is determined from the formula 90-tan -1 (W 8 /W 9 ).
  • a distance W 8 between the lower side of the second side wall portion 23 and the side surface 400a of the main body of the product 400 is larger than W 7 ⁇ (W 9 /W 10 ).
  • a space is further defined between the second side wall portion 13 and the main body of the product 400 in the internal space of the cushioning material 10 by the first holding portion 23e and the upper end portion of the second side wall portion 23.
  • the projecting portion 401 of the product 400 can be stored in the container. This ensures a clearance for protecting the projecting portion 401 .
  • the cushioning material 10 is formed by assembling blank sheets 10a having a rectangular shape with four sides projecting in plan view.
  • a ruled line 16a parallel to the Y-axis and a ruled line 16b parallel to the X-axis which surround the portion that will become the bottom plate 11 after assembly and serve as fold lines for valley folds during assembly, are formed by press working or the like. It is set in advance.
  • the interval W1 between the first ruled lines 16a is, for example, substantially equal to or slightly larger than the width of the product 400 in the X-axis direction
  • the interval W2 between the second ruled lines 16b is, for example, the width of the body of the product 400. Assuming that the width in the Y-axis direction is W 0 , it is approximately equal to or slightly larger than W 0 +2 ⁇ W 8 .
  • a notch 11b is formed radially from each vertex of the portion forming the bottom plate 11 to separately form the trapezoidal portion of the first side wall portion 12 and the trapezoidal portion of the second side wall portion 23 .
  • Each of the pair of second side wall portions 23 has two leads between two imaginary straight lines passing through the two ruled lines 16a, which serve as fold lines for forming side portions 23a functioning as buffer portions.
  • Ruled lines 27 are provided.
  • the lead ruled line 27 is a perforation for facilitating mountain folding at the bent position, and is formed in a straight line parallel to the Y-axis.
  • a notch 23g is formed in the second side wall portion 23 for forming the first holding portion 23e.
  • a boundary portion between the side portion 23 a and the first holding portion 23 e continuous with the side portion 23 a is located on a straight line passing through the lead ruled line 27 .
  • 23 g of cuts are formed in the shape which the 1st holding
  • the lead ruled line 27 is partially interrupted so as to exclude this boundary portion.
  • the angle between the side 23d- 1 of the third trapezoidal portion 23d of the second side wall portion 13 and the lead ruled line 27 is ⁇ 1.
  • ⁇ 1 is an acute angle, as shown in FIG. equal. Therefore, the bottom plate 11 and the side 23d-1 are parallel.
  • the sides of the rectangular portion of the first side wall portion 12 are linear parallel to the X-axis.
  • the angle between the side 23c-1 of the second trapezoidal portion 23c and the side of the rectangular portion of the first side wall portion 12, the side 23d-1 of the third trapezoidal portion 23d, and the lead ruled line 27 is ⁇ 1 .
  • the angle between the side 23c-1 of the second trapezoidal portion 23c and the side 23d-1 of the third trapezoidal portion 23d obtained by angle calculation is a right angle.
  • the side 23c-1 of the second trapezoidal portion 23c of the second side wall 23, the side of the rectangular portion of the first side wall 12, and the side 23d- of the third trapezoidal portion 23d of the second side wall 23 1 and the upper sides of the first side wall portion 12 are parallel to each other.
  • the dimension of the upper side of the first side wall 12, the dimension of the side 23c-1, and the dimension of the side 23d-1 are the same as the side of the rectangular portion of the side 23c-1 and the first side wall 12, and the side 23d-1. and the upper sides of the first side wall portion 12 are formed flush with each other.
  • Incisions 11e for forming leg portions 12b are formed in a pair of side portions from which the pair of first side wall portions 12 of the rectangular portion forming the bottom plate 11 rise.
  • the cushioning material 10 ensures clearance against impacts from the ⁇ Y-axis direction and the ⁇ Z-axis direction.
  • a clearance for protecting the protruding portion 401 of the product 400 can be secured by the upper ends of the first holding portion 13e and the second side wall portion 13. As shown in FIG.
  • the cushioning material 10 has the first holding portion 23e and the second side wall portion 23 inclined such that the distance between the upper ends is smaller than the distance between the lower ends.
  • the cushioning material 10 has a second holding portion 33f and a second side wall portion that is inclined such that the distance between the upper ends is greater than the distance between the lower ends. 33 may be provided.
  • the bottom plate 11 is composed of a rectangular plate material.
  • a pair of first side wall portions 12 and a pair of second side wall portions 33 are raised from four sides of the bottom plate 11 .
  • the pair of first side walls 12 rise from two sides of the bottom plate 11 facing each other in the X-axis direction, and define the ends of the space for storing the product 400 in the X-axis direction.
  • Each first side wall portion 12 has a trapezoidal portion which is continuous with a side of the bottom plate 11 and whose width increases with increasing distance from the side, and a rectangular portion which is continuous with the trapezoidal portion and has a rectangular shape with a constant width.
  • the pair of second side wall portions 33 rises from two sides of the bottom plate 11 facing each other in the Y-axis direction, and defines the Y-axis direction end of the space for storing the product 400 .
  • the dimension of the upper end of the second side wall portion 33 is larger than the dimension of the lower end.
  • Both side portions 33 a of each second side wall portion 33 are bent at approximately 90° to face both side portions 12 a of the first side wall portion 12 .
  • each of the second side wall portions 33 continues to a side of the bottom plate 11 and continues to a first trapezoidal portion 33b whose width increases as the distance from this side increases.
  • a second trapezoidal portion 33c which is continuous with a side of the bottom plate 11 and whose width decreases with increasing distance from the side; It has a projecting portion 33d having a rectangular shape projecting so as to form a notch.
  • temporary boundaries of the first trapezoidal portion 33b, the second trapezoidal portion 33c, and the overhanging portion 33d are indicated by dashed lines.
  • the pair of second side walls 33 are inclined such that the distance between the upper ends is greater than the distance between the lower ends.
  • the angle formed by the bottom plate 11 and the second side wall portion 33 is assumed to be ⁇ 2.
  • the second side wall portion 33 is formed with a second holding portion 33f that is continuous with the side portion 33a.
  • the second holding portion 33f protrudes into the internal space of the cushioning material 10 and faces the first side wall portion 12. As shown in FIG.
  • the second holding portion 33f has a substantially rectangular shape when viewed from the front.
  • the lower end of the second side wall portion 33 contacts the side surface of the product 400 perpendicular to the bottom plate 11, and the second holding portion 33f also contacts the side surface 400a of the product 400. touch.
  • the side edge 33f-1 of the second holding portion 33f is flat and inclined ( ⁇ 2 -90°) with respect to the straight line passing through the crease of the side portion 33a.
  • the second holding portion 33f contacts the side surface of the product 400, so that the upper side of the main body of the second side wall portion 33 move away from
  • W 13 is the distance between the upper side of the second side wall 33 and the side surface 400a of the main body of the product 400;
  • W 14 is the height of the upper side of the inclined second side wall 33; Let the distance to be W 15 .
  • the separation distance W 13 is determined from the position and size of the projecting portion 401 and the size of the outer box 200 .
  • the height W 14 of the upper side is determined to be equal to or higher than the height of the product 400 .
  • the angle ⁇ 2 between the bottom plate 11 and the second side wall portion 33 is determined by the formula 90+tan ⁇ 1 (W 13 /W 14 ).
  • a distance W 13 between the upper side of the second side wall portion 23 and the side surface 400a of the main body of the product 400 is larger than W 7 ⁇ (W 14 /W 15 ).
  • a space is further defined between the second side wall portion 33 in the internal space of the cushioning material 10 and the body of the product 400 by the second holding portion 33f, and the projecting portion 401 of the product 400 is accommodated in this space. can do things This ensures a clearance for protecting the projecting portion 401 .
  • the cushioning material 10 is formed by assembling plate-like members 10a each having a rectangular shape with four sides protruding in a plan view.
  • the blank sheet 10a is made of cardboard.
  • a ruled line 16a parallel to the Y-axis and a ruled line 16b parallel to the X-axis which surround the portion that will become the bottom plate 11 after assembly and serve as fold lines for valley folds during assembly, are formed by press working or the like. It is set in advance.
  • the interval W1 between the first ruled lines 16a is, for example, substantially equal to or slightly larger than the width of the product 400 in the X-axis direction
  • the interval W2 between the second ruled lines 16b is, for example, the width of the body of the product 400. Approximately equal to or slightly larger than the Y-axis width.
  • a notch 11b is formed radially from each vertex of the portion forming the bottom plate 11 to separately form the trapezoidal portion of the first side wall portion 12 and the trapezoidal portion of the second side wall portion 33 .
  • Each of the pair of second side wall portions 33 has two leads between two imaginary straight lines passing through the two ruled lines 16a, which serve as fold lines for forming side portions 33a functioning as buffer portions.
  • Ruled lines 37 are provided.
  • the lead ruled lines 37 are provided on the first and second trapezoidal portions 33 b and 33 c of the second side wall portion 33 .
  • the lead ruled line 37 is a perforation for facilitating mountain folding at the bent position, and is formed in a straight line parallel to the Y-axis.
  • a notch 33h is formed in the second side wall portion 33 to separate the second trapezoidal portion 33c and a part of the projecting portion 33d.
  • the cut 33h reaches the lead ruled line 37, and a portion of the projecting portion 33d of the second side wall portion 33 separated by the cut 33h becomes the second holding portion 33f.
  • the angle between the upper side 33d-1 of the projecting portion 33d of the second side wall portion 33 and the straight line passing through the lead ruled line 37 is ⁇ 2.
  • the angle between the bottom plate 11 and the straight line passing through the lead ruled line 37 is also ⁇ 2, as shown in FIG .
  • the upper side 33d-1 and the bottom plate 11 form a straight line in contact with the straight line passing through the lead ruled line 37 when viewed from the front.
  • the angle between the top side 33d-1 and the straight line passing through the lead ruled line 37 and the angle between the bottom plate 11 and the straight line passing through the lead ruled line 37 is an alternate angle between the bottom plate 11 and the top side 33d-1. Since the alternate angles of the bottom plate 11 and the top side 33d-1 are the same, the bottom plate 11 and the top side 33d-1 are parallel. In FIG. 21, it is indicated by a straight dashed line passing through the lead ruled line 37 .
  • the sides of the rectangular portion of the first side wall portion 12 are linear parallel to the X-axis.
  • the angle between the side 34 of the second trapezoidal portion 33c and the overhanging portion 33d and the side of the rectangular portion of the first side wall portion 12, the upper side 33d-1 of the overhanging portion 33d, and the lead ruled line 37 is ⁇ 2 .
  • the angle between the side edge 34 of the second trapezoidal portion 33c and the overhanging portion 33d and the upper edge 33d-1 of the overhanging portion 33d which is obtained by angle calculation, is a right angle.
  • the side edges 34 of the second trapezoidal portion 33c and the overhanging portion 33d of the second side wall portion 33, the side edges of the rectangular portion of the first side wall portion 12, and the upper side 33d ⁇ of the overhanging portion 33d of the second side wall portion 33. 1 and the upper side of the first side wall portion 12 are parallel to each other.
  • the dimensions of the upper side of the first side wall 12, the side 34, and the upper side 33d-1 are the same as the side 34 and the side of the rectangular portion of the first side wall 12, and the upper side 33d-1 and the upper side 33d-1.
  • the size is such that the upper sides of the side wall portions 12 of 1 are formed flush with each other.
  • Incisions 11c for forming leg portions 12b are formed in a pair of side portions from which the pair of first side wall portions 12 of the rectangular portion forming the bottom plate 11 rise.
  • the cushioning material 10 ensures clearance against impacts from the ⁇ Y-axis direction and the ⁇ Z-axis direction.
  • a clearance for protecting the projecting portion 401 of the product 400 can be secured by the second holding portion 33f and the lower end of the second side wall portion 33. As shown in FIG.
  • Embodiments 2 and 3 above the larger the dimensions of the sides 23c-1 and 33c-1 of the second trapezoidal portions 23c and 33c, the more the impact from the ⁇ Y-axis direction is dispersed, and the protruding portions of the product 400 are dispersed.
  • the cushioning properties for protecting 401 are improved.
  • the angle between the lead ruled lines 27, 37 and the notch 11b determines the dimensions of the sides 23c-1, 33c-1 of the second trapezoidal portion 23c. For example, increasing the angle ⁇ 1 between the lead ruled lines 27, 37 and the notch 11b increases the dimensions of the sides 23c- 1 , 33c-1 of the second trapezoidal portions 23c, 33c. Thus, by increasing the angle between the lead ruled lines 27, 37 and the notch 11b, the dimensions of the sides 23c-1, 33c-1 of the second trapezoidal portions 23c, 33c are increased, and It is possible to ensure cushioning performance against the impact of
  • Embodiment 4 the clearance for protecting the projecting portion 401 of the product 400 is ensured by the first holding portion 13e and the second holding portion 13f. Furthermore, if the product 400 has a protruding portion 402 protruding from the other side surface 400b, the cushioning material 10 has a third retaining portion 11f and a fourth holding portion 11f for protecting the protruding portion 402, as shown in FIGS. holding portion 42d may be provided.
  • the bottom plate 11 is composed of a rectangular plate material.
  • a pair of first side wall portions 42 and a pair of second side wall portions 13 are raised from four sides of the bottom plate 11 .
  • the bottom plate 11 is formed with a third holding portion 11f that is continuous with the sides from which the pair of first side wall portions 42 rise.
  • the third holding portion 11 f extends outside the internal space of the cushioning material 10 .
  • the third holding portion 11f has an approximately rectangular shape in plan view.
  • the third holding portion 11f protrudes in the X-axis direction from the storage space in which the product 400 is stored, and functions as a second support portion that secures clearance against impact from the X-axis direction.
  • a pair of first side wall portions 42 rise from two sides of the bottom plate 11 facing each other in the X-axis direction, and define the ends of the space in which the product 400 is stored in the X-axis direction.
  • Each first side wall portion 42 has a trapezoidal portion that is continuous with a side of the bottom plate 11 and increases in width with distance from the side, and a rectangular portion that is continuous with the trapezoidal portion and has a rectangular shape with a constant width.
  • a through hole 42c through which the projecting portion 402 of the product 400 is passed is formed in one side of the first side wall portion 42 .
  • the through hole 42c is formed at a position and size that allows the projecting portion 402 to pass therethrough.
  • a pair of first side wall portions 42 are formed with a fourth holding portion 42d formed by bending a part of the rectangular portion of the first side wall portion 42 by approximately 90°.
  • the fourth holding portion 42 d protrudes outside the internal space of the cushioning material 10 .
  • the distance that the fourth holding portion 42d protrudes from the internal space of the cushioning material 10 is substantially the same as the projection distance from the internal space of the cushioning material 10 of the third holding portion 11f.
  • the fourth holding portion 42d protrudes in the X-axis direction from the storage space for storing the product 400, and functions together with the third holding portion 11f as a third support portion that secures clearance against impact from the X-axis direction. do.
  • the cushioning material 10 is formed by assembling blank sheets 10a having a rectangular shape with four sides protruding in plan view.
  • a ruled line 16a parallel to the Y-axis and a ruled line 16b parallel to the X-axis are formed by press working or the like. It is set in advance.
  • a pair of first side wall portions 42 are formed with notches 42e for forming the third holding portion 11f.
  • a boundary portion between the bottom plate 11 and the third holding portion 11f continuous with the bottom plate 11 is positioned on a straight line passing through the first ruled line 16a.
  • the first ruled line 16a is partially cut off so as to exclude this boundary portion.
  • the pair of first side wall portions 42 are formed with ruled lines 42f that serve as folding lines for forming the fourth holding portions 42d.
  • the ruled line 42f is a perforation for facilitating mountain folding, and is formed in a straight line parallel to the Y-axis.
  • the lid 110 shown in FIG. 23 is a box-shaped member with an open upper surface composed of a rectangular top plate and side walls rising from each side of the top plate, and is made of corrugated cardboard.
  • the lid 110 abuts on the fourth holding portion 42 d and closes the upper surface of the cushioning material 10 . Further, the lid 110 protrudes in the X-axis direction from the storage space for storing the product 400, and together with the third holding portion 11f and the fourth holding portion 42d, is a support portion that secures clearance against impact from the X-axis direction. function as
  • the third holding portion 11f is formed separately from the first side wall portions 42 when the pair of first side wall portions 42 are raised.
  • the fourth holding part 42 d is folded by the lid 110 in a mountain fold at approximately 90° and protrudes outside the internal space of the cushioning material 10 .
  • the third holding portion 11f it is possible to ensure cushioning performance against impact from the X-axis direction in the lower portion of the cushioning material 10. Furthermore, the fourth holding portion 42d and the lid 110 can ensure cushioning performance against impacts from the X-axis direction in the upper portion of the cushioning material 10. FIG. This ensures a clearance for protecting the projecting portion 402 when the product 400 falls from the side 400b.
  • the projecting portion 402 of the product 400 can be passed through the through hole 42c formed in one side of the first side wall portion 42. Thereby, the first side wall portion 42 does not interfere with the projecting portion 402 of the product 400 .
  • the protruding portion 402 of the product 400 protrudes from one side surface 400b, and the protruding portion 402 passes through the through hole 42c formed in one side of the first side wall portion 42.
  • a plurality of protruding portions 402 protrude from the side surface 400b
  • a plurality of through holes 42c may be formed.
  • the through hole 42c may also be formed on the other side of the first side wall portion 42.
  • Embodiment 5 the upper end portions of the first holding portion 23 e and the second side wall portion 23 abut against the side surface 400 a of the product 400 .
  • the upper end of the second side wall portion 23 may be separated from the side surface 400 a of the product 400 .
  • the second side wall 23 may be formed by cutting and removing the upper ends of the first side wall 12 and the second side wall 23 according to the size of the product 400 .
  • the upper end of the second side wall portion 53 is separated from the side surface 400a as shown in FIG.
  • the upper end of the second side wall portion 53 hits the side surface 400a before the lower end of the second side wall portion 53. touched.
  • the second side wall portion 53 configured in this way, when an impact is applied to the product 400, a portion of the first holding portion 53e is crushed, and then the upper end portion of the second side wall portion 53 pushes the product.
  • the side 400a of 400 is abutted. Then, when a portion of the first holding portion 53e is crushed, at least a portion of the impact applied to the product 400 is absorbed. Therefore, the impact when the side surface 400 a contacts the upper end of the second side wall portion 53 is reduced, and the second side wall portion 53 secures a clearance for protecting the projecting portion 401 .
  • the cushioning material 10 when the product 400 is subjected to an impact, the first holding portion 53e is partially crushed, and then the side surface 400a of the product 400 is pushed out of the second side wall portion 53. It abuts on the upper end.
  • the side surface 400a of the product 400 may be brought into contact with the lower end of the second side wall portion 53 after part of the first holding portion 53e is crushed.
  • the upper end portion of the second side wall portion 53 may be further away from the side surface 400 a of the product 400 than the lower end portion of the second side wall portion 53 .
  • the first holding portion 13e and the second holding portion 13f have approximately rectangular or trapezoidal shapes when viewed from the front.
  • the first holding portion 13e and the second holding portion 13f may be semicircular or triangular as long as cushioning properties can be ensured.
  • the cut 11b of the blank sheet 10a is straight except for the curved portion indicated by reference numeral 18.
  • the cut may be a curved cut 11d. Due to the notch 11d, the corners of the first side wall portion 12 are rounded, making it easy to store in the exterior box 200.
  • the notch 11b is formed in a curved shape as indicated by reference numeral 18 near the intersection of the first ruled line 16a and the second ruled line 16b. It may be all straight, without any gaps.
  • the cushioning material 10 is pushed in by the product 400 while the cushioning material 10 is half pushed into the outer box 200 by the pressing member 301 .
  • the cushioning material 10 can be pushed in by the product 400 from the beginning.
  • a mechanism for varying the size of the pressing jig 300 can be provided, or the pressing jig 300 can be replaced. By changing the size of the pressing jig 300 and securing a contact area with the bottom surface, deformation of the bottom plate 11 of the cushioning material 10 during pressing can be reduced.
  • the four lid side walls 102 of the lid 100 are raised by pushing a rectangular plate with four protruding sides into the exterior box 200 .
  • a space is defined between the lid 100 and the top surface of the exterior box 200 .
  • Accessories such as screws and instructions can be included in this space.
  • a pushing jig 300 or a robot arm can be used to store screws and manuals.
  • the lid 100 has a shape in which four lid side walls 102 are raised.
  • the shape of the lid 100 is not limited to this, and if the product is lightweight, the shape of the lid 100 may be a plate shape or a flat plate shape in which two lid side walls 102 are raised.
  • the two straight lines passing through the lead ruled lines 17 of the cushioning portion 14 are replaced by two imaginary straight lines passing through the ruled lines 16 of the cushioning material 10 .
  • a curved line 18 cuts the joint between the bottom plate 11 and the cushioning portion 14 for bending. This is not restrictive, and the joint portion corresponding to the movement may be removed by using a round hole or the like.
  • corrugated cardboard is used as the material of the cushioning material 10 .
  • This corrugated board is, for example, paper-based one-layer or two-layer corrugated board. Not limited to this, it may be a cardboard made of plastic cardboard or other materials. Moreover, not only cardboard but also sheet-like materials having a certain degree of rigidity can be used.
  • the first holding portion 13e and the second holding portion 13f protrude from the bent portion of the side portion 13a.
  • three or more holding portions can be held from the bent portion of the side portion 13a.
  • the part may protrude. The longer the side of the holding portion that contacts the product 400, the more the load due to the mass of the product 400 is distributed, and the cushioning performance is improved.
  • the portion surrounded by the ruled lines 16a and 16b in the central portion of the blank sheet 10a was exemplified as the bottom plate forming region which is the portion that will become the bottom plate 11 after assembly, but the portion that will become the bottom plate after assembly.
  • the configuration is arbitrary.
  • both the pair of second side wall portions 13 are provided with the first holding portion 13e and the second holding portion 13f.
  • the first holding portion 13e and the second holding portion 13f may It may be provided only on the side wall.
  • the leg portion 12b protrudes from the lower side of the first side wall portion 12 in the -Z-axis direction. Not limited to this, the leg portion 12b protrudes in the ⁇ Z-axis direction from the lower side of the second side wall portion 13, or from both the lower side of the first side wall portion 12 and the lower side of the second side wall portion 13. good too.
  • the claw portion 310 and the first and second insertion guides 320, 325 are supported so as to move integrally.
  • the first insertion guide 320, the second insertion guide 325, and the claw portion 310 may be independently and movably supported.
  • the shape and size of the blank sheet 10a are automatically determined by an arbitrary sensor, and the position corresponding to the determined shape and size is determined. may be set to For example, as shown in FIGS. 27 and 28, the assembly device 2 may be provided with an optical sensor 350 .
  • the optical sensor 350 is a CCD image sensor, CMOS image sensor, or the like.
  • the control unit 500 determines the shape and size of the blank sheet 10a based on the image captured by the optical sensor 350, and moves the first claw 310 to a position corresponding to the determined shape and size.
  • the control unit 500 can determine the front, back, and orientation of the blank sheet 100a from the image of the optical sensor 350 by using the position mark 105, thereby suppressing errors in setup.
  • the initial positions of the first insertion guide 320 and the first claw portion 310 are automatically set based on the outer shape and dimensions measured by the optical sensor 350 .
  • the claw portion 310 is moved to sandwich the second side wall portion 13 with the claw portion 310 to apply force.
  • the inclined claw portions 311 of the claw portions 310 come into contact with both side portions 13 a of the second side wall portion 13 .
  • downward force is applied to both side portions 13 a of the second side wall portion 13 , and both side portions 13 a are bent along the lead ruled lines 17 .
  • the support member that movably supports the first insertion guide 320 and the claw portion 310 is the guide rail 330 having the first guide rail 331 and the second guide rail 332 .
  • Any support member that movably supports the first insertion guide 320 and the claw portion 310 may be used.
  • a guide rail that does not have the first guide rail 331 may be used.
  • the assembling device 2 has eight insertion guides 320, 325.
  • the assembling apparatus 2 may include four or more but less than eight or nine or more insertion guides 320 and 325 to raise the first side wall portion 12 and the second side wall portion 13 of the cushioning material 10 . may be provided.
  • the assembling device 2 has four claws 310 .
  • the assembling apparatus 2 is not limited to this, and may be provided with a plurality of claw portions 310 . Further, the both side portions 13a of the second side wall portion 13 are bent along the lead ruled lines 17 by sandwiching them with the claw portions 310, but the bending method itself is arbitrary.
  • the claw portion 310 and the mechanism for moving the claw portion 310 were exemplified. , as long as both sides 13a can be bent.
  • the ruled lines 16a and 16b are illustrated as the boundary portions for bending the first side wall portion 12 and the second side wall portion 13 of the blank sheet 10a. Any configuration is possible as long as the second side wall portion 13 can be bent.
  • the inclined claw portion 311 of the claw portion 310 was exemplified as the member having the inclined surface for bending the both side portions 13a of the second side wall portion 13 of the blank sheet 10a downward. As long as both side portions 13a of the side wall portion 13 can be bent downward, the configuration is arbitrary.
  • the first and second insertion guides 320 and 325 and the pusher guides 320 and 325 serve as the side wall forming portions for bending and erecting the first and second side wall portions 12 and 13 of the blank sheet 10a.
  • the jig 300 is shown as an example, the configuration itself is arbitrary as long as the side wall portion can be formed.
  • connection mechanism for interlocking the claw portion 310 and the first and second insertion guides 320 and 325 a configuration using a rail, a ball screw, and a moving portion was exemplified, but if these can be interlocked, However, the configuration itself is arbitrary.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buffer Packaging (AREA)

Abstract

L'invention concerne un matériau d'amortissement (10) qui est pourvu : d'une plaque inférieure ; d'une paire de premières parties de paroi latérale (12) qui s'élèvent à partir d'une paire de côtés de la plaque inférieure et possèdent une extrémité supérieure plus grande en dimension qu'une extrémité inférieure de celles-ci ; d'une paire de deuxièmes parties de paroi latérale (13) qui s'élèvent à partir d'une paire d'autres côtés de la plaque inférieure (11) et possèdent une extrémité supérieure plus grande en dimension qu'une extrémité inférieure de celles-ci, et dont les deux parties latérales (13a) sont pliées et opposées aux parties latérales (12a) de la paire de premières parties de paroi latérale (12) ; et de parties de rétention (13e and 13f) qui sont continues avec les deux parties latérales (13a) des deuxièmes parties de paroi latérale (13) et qui font saillie vers l'intérieur d'un espace interne formé par les premières parties de paroi latérale (12) et les deuxièmes parties de paroi latérale (13).
PCT/JP2022/006625 2021-03-05 2022-02-18 Matériau d'amortissement WO2022185951A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-035189 2021-03-05
JP2021035189 2021-03-05

Publications (1)

Publication Number Publication Date
WO2022185951A1 true WO2022185951A1 (fr) 2022-09-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07242271A (ja) * 1994-03-04 1995-09-19 Toshiba Corp 緩衝体及び緩衝体の製造方法
JPH08103977A (ja) * 1994-09-30 1996-04-23 Toppan Printing Co Ltd 緩衝材用段ボールのための折り癖付与装置
JP3056893U (ja) * 1998-08-21 1999-03-05 株式会社クラウン・パッケージ 緩衝材
JP2003026244A (ja) * 2001-07-10 2003-01-29 Rengo Co Ltd 段ボール製緩衝材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07242271A (ja) * 1994-03-04 1995-09-19 Toshiba Corp 緩衝体及び緩衝体の製造方法
JPH08103977A (ja) * 1994-09-30 1996-04-23 Toppan Printing Co Ltd 緩衝材用段ボールのための折り癖付与装置
JP3056893U (ja) * 1998-08-21 1999-03-05 株式会社クラウン・パッケージ 緩衝材
JP2003026244A (ja) * 2001-07-10 2003-01-29 Rengo Co Ltd 段ボール製緩衝材

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