JP2012096807A - Corrugated fiberboard box assembling device - Google Patents

Corrugated fiberboard box assembling device Download PDF

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Publication number
JP2012096807A
JP2012096807A JP2010243602A JP2010243602A JP2012096807A JP 2012096807 A JP2012096807 A JP 2012096807A JP 2010243602 A JP2010243602 A JP 2010243602A JP 2010243602 A JP2010243602 A JP 2010243602A JP 2012096807 A JP2012096807 A JP 2012096807A
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Japan
Prior art keywords
cardboard
flap
plate
box
cardboard box
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JP2010243602A
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Japanese (ja)
Inventor
Ryo Takahashi
Hitoshi Yamamoto
Yasuhiro Yoshioka
靖弘 吉岡
斉 山本
涼 高橋
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Mitsuboshi Belting Ltd
三ツ星ベルト株式会社
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Priority to JP2010243602A priority Critical patent/JP2012096807A/en
Publication of JP2012096807A publication Critical patent/JP2012096807A/en
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Abstract

PROBLEM TO BE SOLVED: To automate operations to assembly of a corrugated fiberboard box from a plate-shaped corrugated fiberboard to save manpower, prevent decline in assembling efficiency caused by workers and improve assembling efficiency.SOLUTION: In a plate-shaped corrugated fiberboard carrying mechanism 12, a height of a plate-shaped corrugated fiberboard 100b placed at an uppermost level is set to be a predetermined height. In a suction turning mechanism 13, negative pressure is generated to a first side face 101a to turn it, so as to form a rectangular tubular corrugated fiberboard 100c. A corrugated fiberboard movement mechanism 14 moves the rectangular tubular corrugated fiberboard 100c together with the suction turning mechanism 13. Along with this, first to fourth bottom flap folding mechanisms (15-18) fold first to fourth bottom flaps (101a-101d), and a tape attaching mechanism 19 presses a tape 106 by rollers (23b, 23c) to seal a bottom face. The corrugated fiberboard box 100b assembled to have a box shape is discharged from a corrugated fiberboard box discharge part 20.

Description

  The present invention forms a bottom surface perpendicular to each side surface by folding each bottom flap integrally provided on each side surface and sealing it with tape from a plate-like cardboard folded into a plate shape. The present invention relates to a cardboard box assembly apparatus for assembling a cardboard box.
  Before an article is loaded into the cardboard box, an assembly work of the cardboard box is first performed. And in this work, each side is connected in a cylindrical shape with a crease provided in the cardboard box, and from the state of the plate-like cardboard folded in a plate shape with the top and bottom surfaces open, the box Assembling a corrugated cardboard box.
  In the above-described corrugated cardboard assembling work, the worker first bends each bottom flap integrally provided on each side surface of the plate-shaped cardboard with respect to each side surface. Furthermore, an operator forms a bottom surface perpendicular to each side surface by sealing the ends of two bottom flaps bent outward from the four bottom flaps, and assembles a box-like cardboard box. become. Thus, the series of cardboard assembly operations described above are performed based on the manual operation of the operator.
  In Patent Document 1, a cardboard case is used as a device for folding and closing the bag mouth portion of the inner bag after the article is stored inside the inner bag loaded in the assembled cardboard box. An inner bag folding device is disclosed. Further, Patent Document 2 discloses an upper lid flap sealing device that bends an upper lid flap that constitutes an upper surface of a cardboard box and seals it with a tape in a state where an article is inserted into the assembled cardboard box. .
JP 7-165207 A JP 7-215316 A
  As described above, the assembly work of the cardboard box before the article is loaded into the cardboard box is performed manually by the operator. That is, each bottom flap integrally provided on each side surface is bent from a plate-shaped cardboard folded into a plate shape and sealed with tape to form a bottom surface perpendicular to each side surface, thereby forming a box-shaped cardboard A series of work until the box is assembled is performed based on the manual work of the worker. For this reason, the efficiency of the assembly work of the cardboard box varies depending on the skill level of the worker. Even if the skill level of the worker is high, the efficiency of assembling the cardboard box is limited because it is based on the worker's manual work. Thus, conventionally, since a series of operations from assembling a plate-shaped cardboard to a box-shaped cardboard box is performed based on the manual operation of the operator, it is difficult to improve the efficiency of the assembly work. There's a problem.
  In view of the above circumstances, the present invention can automatically perform a series of operations from assembling a box-shaped cardboard to a box-shaped cardboard, and can save labor by automation, resulting in a worker. It is an object of the present invention to provide a cardboard box assembling apparatus that can eliminate a decrease in assembling efficiency and improve the assembling efficiency.
  In order to achieve the above object, the corrugated cardboard box assembly apparatus according to the first invention is such that the first, second, third and fourth side surfaces are connected in a cylindrical shape while the folds are provided, and the top and bottom surfaces are open. First, second, third, and fourth bottom flaps that are integrally provided via a fold to each of the first to fourth side surfaces from the corrugated cardboard that is folded in a plate shape The present invention relates to a cardboard box assembling apparatus for forming a box-shaped cardboard box by forming the bottom surface perpendicular to the first to fourth side surfaces by bending the tape and sealing with tape. The cardboard box assembling apparatus according to the first aspect of the present invention is a board in which a plurality of the plate-like cardboards are placed and stacked, and the height of the plate-like cardboard placed on the top is set to a predetermined height. Negative pressure is applied to the first side surface of the plate-like cardboard to be assembled, which is placed on the top of the plate-like cardboard placed on the plate-like cardboard placed portion. The plate to be assembled has an adsorption part that adsorbs the first side surface by being generated, and a turning drive part that turns the adsorption part, and turns the adsorption part that is adsorbed to the first side surface. An adsorbing swivel mechanism for forming the corrugated cardboard into a rectangular tube shape, and supporting the adsorbing swivel mechanism so as to be reciprocally movable. The first bottom flap integrally provided on the first side surface has a cardboard moving mechanism that moves together with the suction turning mechanism, and a swinging member that swings as the suction portion swings in the suction turning mechanism. The first bottom flap folding mechanism that bends the first bottom flap perpendicularly to the first side surface when the swinging member swings and abuts with the first and second side flaps, and the movement of the rectangular tubular cardboard by the cardboard moving mechanism. Accordingly, a second bottom that bends the second bottom flap perpendicularly to the second side surface by abutting against the second bottom flap that is integrally provided on the second side surface that faces the first side surface. Along with the movement of the rectangular tubular cardboard by the flap bending mechanism and the cardboard moving mechanism, it is integrated with the third side surface disposed between the first side surface and the second side surface. A third bottom flap folding mechanism that bends the third bottom flap perpendicularly to the third side surface by coming into contact with the third bottom flap, and a movement of the rectangular tubular cardboard by the cardboard moving mechanism. Along with this, the fourth bottom flap is bent perpendicularly to the fourth side surface by coming into contact with the fourth bottom flap provided integrally with the fourth side surface facing the third side surface. A fourth bottom flap bending mechanism for forming the cardboard box, and a movement of the cardboard box formed by the fourth bottom flap bending mechanism by the cardboard moving mechanism, the third bottom flap and the fourth bottom flap; A tape affixing mechanism for pressing and affixing the tape along the end with a roller, and cutting the tape; and the first to fourth bottom flaps And a cardboard box discharge portion for discharging the cardboard box assembled in a box shape by being bent and sealed with the tape.
  According to the present invention, first, the rectangular tubular cardboard is formed by the suction turning mechanism by the first side surface of the plate-like cardboard placed on the plate-like cardboard placement part being sucked and turned by the suction part. . At this time, the first bottom flap is bent by the first bottom flap bending mechanism having a swinging member that interlocks with the turning motion of the suction portion. Then, the sucked and held rectangular tubular cardboard is moved by the cardboard moving mechanism, and during this movement, the second bottom flap is folded by the second bottom flap folding mechanism, and the third bottom flap folding mechanism is used by the third bottom flap folding mechanism. The flap is bent, the fourth bottom flap is bent by the fourth bottom flap bending mechanism, and a box-like cardboard box is formed. Further, as the cardboard box is moved by the cardboard moving mechanism, the bottom surface of the cardboard box is sealed with a tape by a tape attaching mechanism that presses the tape with a roller along the end portions of the third and fourth bottom flaps. The cardboard box assembled from the discharge part is discharged. Therefore, a series of operations from the state of the folded plate-like cardboard to assembling the box-like cardboard box includes a plate-like cardboard placing portion, a suction turning mechanism, a cardboard moving mechanism, first to fourth bottom flap folding mechanisms, The cardboard box assembling apparatus having the taper attaching mechanism and the cardboard discharge unit is operated automatically. For this reason, the work of assembling the cardboard box from the plate-like cardboard based on the manual work of the operator can be eliminated, and the labor saving by automation can be achieved. Further, since the above work can be unmanned, the assembly efficiency caused by the worker is not lowered in the first place, and the assembly efficiency is dramatically improved by adjusting the operation speed of the apparatus. be able to.
  Therefore, according to the present invention, it is possible to automatically perform a series of operations from assembling a plate-shaped cardboard to a box-shaped cardboard box, saving labor by automation, and reducing the assembly efficiency caused by the worker. It is possible to provide a corrugated cardboard box assembling apparatus that can eliminate the decrease and improve the assembling efficiency.
  The cardboard box assembly apparatus according to the second invention is the cardboard box assembly apparatus according to the first invention, wherein the second bottom flap bending mechanism has a pair of pulleys and an annular belt wound around the pair of pulleys, A belt abutting portion that abuts on the surface of the annular belt with respect to the second bottom flap, and the belt abutting portion protrudes toward the rectangular tubular cardboard and is driven to press against the second bottom flap. And a pressing drive unit.
  According to this invention, the annular belt pressed against the second bottom flap pushes the second bottom flap on the surface wound around the pair of pulleys as the rectangular cardboard cardboard moves by the cardboard moving mechanism. become. For this reason, the second bottom flap can be smoothly bent without being caught by the second bottom flap as the rectangular tubular cardboard is moved by the cardboard moving mechanism. Furthermore, even after the second bottom flap is bent, the annular belt is pressed against the rectangular tubular cardboard, so that the first bottom flap is also pushed by the annular belt as the rectangular tubular cardboard moves. Thereby, it can prevent that the 1st bottom flap bent by the 1st bottom flap bending mechanism opens.
  The cardboard box assembling apparatus according to the third invention is the cardboard box assembling apparatus according to the first or second invention, wherein the third bottom flap bending mechanism is a moving direction and a vertical direction of the rectangular tubular cardboard by the cardboard moving mechanism. And a first inclined bar extending in a slanting direction with respect to the first inclined bar, and the first inclined bar gradually bends the third bottom flap with the movement of the rectangular tubular cardboard. The third bottom flap is arranged in a cantilever shape so as to be bent perpendicularly to the third side surface at the tip.
  According to the present invention, the third bottom flap is bent by the first inclined bar extending obliquely in the square tube-shaped cardboard moving direction and the vertical direction only by moving the rectangular tube-shaped cardboard. Therefore, the third bottom flap can be easily bent with a simple structure in which the first inclined bar extending obliquely in the rectangular tube-shaped cardboard moving direction and the vertical direction is provided.
  The cardboard box assembly apparatus according to a fourth aspect of the present invention is the cardboard box assembly apparatus according to any one of the first to third aspects of the present invention, wherein the fourth bottom flap folding mechanism is the moving direction of the rectangular tubular cardboard by the cardboard moving mechanism. And a second inclined bar extending in a bar shape in a direction inclined obliquely with respect to the vertical direction, and the second inclined bar gradually moves the fourth bottom flap with the movement of the rectangular tubular cardboard. The fourth bottom flap is bent in a cantilever manner so as to be bent perpendicularly to the fourth side surface at the front end portion.
  According to the present invention, the fourth bottom flap is bent by the second inclined bar extending obliquely in the rectangular tube-shaped cardboard moving direction and the vertical direction only by moving the rectangular tube-shaped cardboard. Therefore, the fourth bottom flap can be easily bent with a simple structure in which the second inclined bar extending obliquely in the rectangular tube-shaped cardboard moving direction and the vertical direction is provided.
  The cardboard box assembling apparatus according to a fifth aspect of the present invention is the cardboard box assembling apparatus according to any one of the first to fourth aspects, wherein the cardboard box discharge portion extends in parallel with the moving direction of the cardboard box by the cardboard moving mechanism. A bar-shaped discharge bar, and the discharge bar is located below the cardboard box when the movement of the cardboard box by the cardboard moving mechanism is finished and the suction of the first side surface by the suction unit is released. It arrange | positions so that it may contact | abut on the said upper surface side with respect to the said cardboard box.
  According to the present invention, when the movement of the cardboard box is finished and the suction of the first side surface by the suction part is released and the cardboard box falls, the cardboard is placed on the discharge bar extending parallel to the cardboard box moving direction at a position biased to the upper surface side. The box comes into contact. As a result, the cardboard box is discharged with the bottom face turned downward by rotating about 90 degrees. For this reason, it becomes possible to use the cardboard box promptly in the discharged direction. Moreover, the structure which discharges a cardboard box in the state which made the bottom face downward in the cardboard box discharge part is realizable with the simple structure of providing a discharge bar.
  The cardboard box assembling apparatus according to a sixth aspect of the present invention is the cardboard box assembling apparatus according to any one of the first to fifth aspects of the invention, wherein the plate-shaped cardboard mounting portion is a plate capable of transporting the mounted cardboard. It is provided as a corrugated cardboard conveyance mechanism.
  According to the present invention, the plate-like cardboard mounting portion is provided as a mechanism capable of conveying the plate-like cardboard. For this reason, when it is necessary to replenish the plate-shaped cardboard, after the plate-shaped cardboard is placed on the outside and easily replenished, the plate-shaped cardboard is transported to a predetermined position where it can be sucked by the suction turning mechanism. Can be arranged. Thereby, the efficiency of the replenishment work of the plate-shaped cardboard can be improved, and the work efficiency can be further improved.
  According to the present invention, it is possible to automatically perform a series of operations from assembling a plate-shaped cardboard to a box-shaped cardboard box, saving labor by automation, and reducing the assembly efficiency caused by the operator. It is possible to provide a corrugated cardboard box assembling apparatus that can eliminate and improve the assembly efficiency.
It is a side view which shows typically the cardboard box assembly apparatus in one embodiment of this invention. It is a front view of the cardboard box assembly apparatus shown in FIG. It is a top view of the cardboard box assembly apparatus shown in FIG. It is a perspective view which shows typically the plate-shaped cardboard folded into plate shape. It is a perspective view which shows typically the cardboard box assembled in the box shape. It is a front view which shows typically the adsorption | suction turning mechanism in the cardboard box assembly apparatus shown in FIG. It is a perspective view of the cardboard which shows typically the state in the middle of the plate-shaped cardboard being formed in the shape of a square tube by the adsorption turning mechanism shown in FIG. It is a perspective view which shows typically the square cylinder-shaped cardboard shape | molded by the adsorption | suction turning mechanism shown in FIG. It is a top view which shows typically the 1st bottom flap bending mechanism in the cardboard box assembly apparatus shown in FIG. It is a perspective view which shows typically the state by which the 1st bottom flap of the square cylindrical cardboard was bent by the 1st bottom flap bending mechanism shown in FIG. It is a top view which shows typically the 2nd bottom flap bending mechanism in the cardboard box assembly apparatus shown in FIG. It is a perspective view which shows typically the state by which the 2nd bottom flap of the square cylindrical cardboard was bent by the 2nd bottom flap bending mechanism shown in FIG. It is the front view and top view which show typically the 3rd bottom flap bending mechanism and the 4th bottom flap bending mechanism in the cardboard box assembly apparatus shown in FIG.2 and FIG.3. FIG. 14 is a perspective view schematically showing a state in which the third bottom flap and the fourth bottom flap of the rectangular tubular cardboard are bent by the third bottom flap folding mechanism and the fourth bottom flap folding mechanism shown in FIG. 13. It is a top view which shows typically the tape sticking mechanism in the cardboard box assembly apparatus shown in FIG. FIG. 16 is a perspective view schematically showing a cardboard box assembled in a box shape by sealing the ends of the third bottom flap and the fourth bottom flap with tape by the tape attaching mechanism shown in FIG. 15.
  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. The present invention can be widely applied as a cardboard box assembling apparatus for assembling a box-shaped cardboard box (corrugated cardboard box) by forming a bottom surface perpendicular to four side surfaces from corrugated cardboard (corrugated cardboard) folded into a plate shape. It is something that can be done.
  FIG. 1 is a side view schematically showing a cardboard box assembling apparatus 1 according to an embodiment of the present invention. FIG. 2 is a front view of the cardboard box assembling apparatus 1. FIG. 3 is a plan view of the cardboard box assembling apparatus 1. FIG. 4 is a perspective view schematically showing a plate-like cardboard 100a formed of cardboard paper and folded into a plate shape. FIG. 5 is a perspective view schematically showing a cardboard box 100b assembled in a box shape. The cardboard box assembling apparatus 1 shown in FIGS. 1 to 3 is configured as an apparatus for assembling the box-like cardboard box 100b shown in FIG. 5 from the plate-like cardboard 100a shown in FIG.
  The plate-like cardboard 100a shown in FIG. 4 has a first side surface 101a, a second side surface 101b, a third side surface 101c, and a fourth side surface 101d formed in a cylindrical shape with a fold line 104 provided, and an upper surface and a bottom surface are open. In this state, it is configured to be folded into a plate shape. That is, in the plate-like cardboard 100a, the four upper flaps 103 constituting the upper surface and the four bottom flaps (102a, 102b, 102c, 102d) constituting the bottom surface are opened. ing. Although the second side surface 101b does not appear in FIG. 4, the inside of the second side surface 101b is shown in FIG.
  The cardboard box 100b shown in FIG. 5 is automatically assembled by the cardboard box assembly apparatus 1 as will be described later. In this assembly, first, a first bottom flap 102a, a second bottom flap 102b, which are integrally provided via a fold 105 with respect to each of the first to fourth side surfaces (101a, 101b, 101c, 101d), The third bottom flap 102c and the fourth bottom flap 102d are bent.
  In the above, the first bottom flap 102a provided integrally with the first side surface 101a facing each other and the second bottom flap 102b provided integrally with the second side surface 101b are bent inside. Then, the third bottom flap 102c provided integrally with the third side surface 101c facing each other and the fourth bottom flap 102d provided integrally with the fourth side surface 101d are bent outward. Furthermore, the bottoms perpendicular to the first to fourth side surfaces (101a to 101d) are formed by sealing the ends of the third bottom flap 102c and the fourth bottom flap 102d folded on the outside with a tape 106. The Thereby, the state assembled as the cardboard box 100b is completed.
  Hereinafter, the cardboard box assembling apparatus 1 will be described in detail. As shown in FIGS. 1 to 3, the cardboard box assembling apparatus 1 includes a main body frame 11, a plate-like cardboard transport mechanism 12, an adsorption swivel mechanism 13, a cardboard moving mechanism 14, a first bottom flap bending mechanism 15, and a second bottom flap. A folding mechanism 16, a third bottom flap folding mechanism 17, a fourth bottom flap folding mechanism 18, a tape attaching mechanism 19, a cardboard box discharge unit 20, and the like are provided. 2 and 3, the illustration of the plate-like cardboard transport mechanism 12 is omitted. Further, in FIGS. 1 to 3, the corrugated cardboard is not shown, and some components are omitted as appropriate in order to clearly show the internal structure.
  The main body frame 11 includes a suction swivel mechanism 13, a cardboard moving mechanism 14, a first bottom flap folding mechanism 15, a second bottom flap folding mechanism 16, a third bottom flap folding mechanism 17, a fourth bottom flap folding mechanism 18, and a tape attachment. It is provided as a base that supports the mechanism 19 and the cardboard box discharge portion 20. And the main body frame 11 is comprised as a structure comprised by connecting structural members, such as steel materials which respectively comprise a support | pillar part and a base part.
  The plate-like cardboard transport mechanism 12 is provided as a mechanism that can stack a plurality of plate-like cardboards 100a and transport the placed plate-like cardboards 100a. In the present embodiment, the plate-like cardboard transport mechanism 12 is exemplified as a push-type cart having a flat table 12a on which a plurality of plate-like cardboards 100a are placed and stacked and a plurality of wheels. ing. In addition, the plate-like cardboard transport mechanism 12 constitutes a plate-like cardboard placement portion in the present embodiment.
  Further, the plate-like cardboard transport mechanism 12 is moved as indicated by an arrow A in FIG. 1 in a state where a plurality of plate-like cardboards 100a are stacked on the table 12a, and is arranged inside the main body frame 11. Thus, the plate-like cardboard 100a is conveyed by the plate-like cardboard conveyance mechanism 12 to a position below the suction turning mechanism 13 described later.
  Further, in the plate-like cardboard transport mechanism 12, the height of the plate-like cardboard 100a placed at the top of the plurality of plate-like cardboards 100a placed and stacked on the table 12a is set to a predetermined height. Levelers are provided. The leveler includes, for example, a table push-up spring, a stopper, and a locking spring that are not shown.
  The table push-up spring is configured as a spring that pushes the table 12a upward. The stopper is configured as a swingably supported member that locks the plate-like cardboard 100a placed on the uppermost position above the table 12a at a predetermined height position. This stopper is arrange | positioned so that it may latch with respect to the 1st side surface 101a, for example. The locking spring is configured as a spring that urges the stopper, which is supported in a swingable manner, to lock the uppermost plate-like cardboard 100a. The spring force of the locking spring is set larger than the urging force of the table push-up spring that pushes up the table 12a on which the plurality of plate-like cardboards 100a are placed, so that the uppermost plate-like cardboard 100a is moved by the stopper. It is configured to be set to a predetermined height.
  Further, in the above leveler, it is more related to the resultant force of the biasing force of the suction turning mechanism 13 and the biasing force of the table push-up spring when the first side surface 101a of the plate-like cardboard 100a is turned by the suction turning mechanism 13 described later. The spring force of the stop spring is set to be smaller. For this reason, at the time of the turning operation of the suction turning mechanism 13, the stopper is swung to release the locking with respect to the uppermost plate-like cardboard 100a, and the lower-stage plate-like cardboard 100a (that is, the new uppermost cardboard cardboard 100a). The stopper is locked to the plate-like cardboard 100a). Thereby, the height of the new uppermost plate-like cardboard 100a is set to a predetermined height.
  FIG. 6 is a front view schematically showing the suction turning mechanism 13. The suction turning mechanism 13 shown in FIGS. 1, 2, and 6 is supported in a state of being suspended from a later-described cardboard moving mechanism 14, and includes a suction portion 21 and a turning drive portion 22.
  The adsorbing unit 21 generates a negative pressure on the first side surface 101a of the plate-like cardboard 100a to be assembled placed on the top of the plate-like cardboard 100a conveyed by the plate-like cardboard conveyance mechanism 12. A mechanism for adsorbing the first side surface 101a is provided. The suction portion 21 includes a suction support plate 21a, a plurality of suction pads 21b, a plurality of cardboard support protrusions 21c, and the like.
  The suction support plate 21a is provided as a flat plate-like member attached so that a plurality of suction pads 21b and a plurality of cardboard support projections 21c protrude. And the adsorption | suction support plate 21a is rotatably connected with respect to the turning drive part 22 by the turning shaft part 22e in the lower end side.
  Each suction pad 21b is formed of a rubber member and is provided as a cylindrical suction cup member in which a through hole is formed. A bellows-like portion is provided at one opening end of each suction pad 21b, and is configured to be in close contact with the first side surface 101a of the plate-like cardboard 100a. The other open end of each suction pad 21b is supported by a suction support plate 21a and connected to a tube communicating with a vacuum pump (not shown). When the suction pad 21b is in close contact with the first side surface 101a, a negative pressure is generated inside the tube by the vacuum pump, whereby the first side surface 101a is attracted to the suction pad 21b by the external atmospheric pressure. Become.
  The cardboard support protrusion 21c is fixed to the suction support plate 21a and includes a disk-shaped portion that comes into contact with the first side surface 101a when the first side surface 101a is sucked to the suction pad 21b. The first side surface 101a sucked by the suction pad 21b is supported by the cardboard support protrusion 21c together with the suction pad 21b. As a result, the first side surface 101a is stably supported in parallel with the suction support plate 21a.
  The turning drive unit 22 is provided as a mechanism for turning the suction unit 21. The turning drive unit 22 includes a housing 22a, a bracket 22b, a cylinder 22c, a rod 22d, a turning shaft 22e, and the like.
  The housing 22a is provided as a structure that supports the suction portion 21 and the like, and is supported in a state of being suspended from a suspension support portion 14e in a later-described cardboard moving mechanism 14 and extending downward. The housing 22a is integrally coupled and fixed to the suspension support portion 14e. The bracket 22b is fixed to the housing 22a in a state of protruding in a horizontal direction in a cantilevered manner at an upper position thereof.
  The cylinder 22c and the rod 22d are provided as a cylinder mechanism that is operated by a pressure fluid, and are configured as, for example, an air cylinder mechanism that is operated by compressed air. Then, the compressed air is supplied to one of the pressure chambers partitioned in the cylinder 22c and the compressed air is discharged from the other pressure chamber, so that the rod 22d supported so as to reciprocate with respect to the cylinder 22c protrudes. It is configured as follows. Note that the compressed air is supplied to the other pressure chamber in the cylinder 22c and the compressed air is discharged from the one pressure chamber, so that the rod 22d is retracted in the direction indicated by the arrow B in FIG. .
  Further, the end of the cylinder 22c opposite to the side from which the rod 22d protrudes is rotatably supported with respect to the tip end side of the bracket 22b (that is, the end opposite to the side fixed to the housing 22a). Yes. Furthermore, the protruding end portion of the rod 22d is rotatably attached to the suction support plate 21a above the pivot shaft 22e of the suction support plate 21a. The turning shaft 22e is disposed at the lower end of the housing 22a.
  When the suction swivel mechanism 13 is operated, first, an electromagnetic valve that controls the supply and discharge of compressed air to and from the rod 22c is switched based on a command from a control device (not shown), and the rod 22d protrudes from the cylinder 22c. The suction part 21 turns about the turning shaft 22e to the position indicated by the two-dot chain line. At this time, the first side surface 101a of the plate-like cardboard 100a placed on the uppermost position on the table 12a of the plate-like cardboard transport mechanism 12 that is moved and arranged below the suction portion 21 is in close contact with the suction pad 21b. The height of the uppermost plate-like cardboard 100a is set by the leveler of the plate-like cardboard conveyance mechanism 12 so as to be located at the position.
  In the above state, the above-described vacuum pump is operated based on a command from a control device (not shown), negative pressure is generated inside each suction pad 21b in close contact with the first side surface 101a, and the first side surface 101a is It is adsorbed by the adsorption pad 21b. In this state, the solenoid valve that controls the supply and discharge of compressed air to and from the rod 22c is switched based on a command from a control device (not shown), and the rod 22d is degenerated relative to the cylinder 22c. The suction portion 21 turns in the direction of arrow C about the turning shaft 22e to the position indicated by. As a result, the plate-like corrugated cardboard 100a to be assembled is formed into a rectangular tube shape.
  As described above, the suction turning mechanism 13 is provided as a mechanism for forming the plate-like corrugated cardboard 100a to be assembled into a rectangular tube shape by providing the suction portion 21 and the turning drive portion 22. FIG. 7 is a perspective view of the cardboard schematically showing a state in the middle of the plate-like cardboard 100a being formed into a rectangular tube shape by the suction turning mechanism 13. FIG. 8 is a perspective view schematically showing a rectangular tubular cardboard 100 c formed into a rectangular tubular shape by the suction turning mechanism 13. By the above-described suction turning operation by the suction turning mechanism 13, the uppermost plate-like cardboard 100a is formed above the plate-like cardboard transport mechanism 12 as a rectangular tube-like cardboard 100c shown in FIG. 8 through the state shown in FIG. It will be. In addition, after adsorption | suction turning operation | movement is performed, until the cardboard box 100b is assembled and just before it is discharged | emitted from the cardboard discharge | emission part 20, the adsorption | suction part 21 produces | generates the negative pressure with respect to the 1st side surface 101a, and is adsorb | sucked Is maintained.
  FIG. 9 is a plan view schematically showing the first bottom flap bending mechanism 15. 9A and 9B show plan views of the first bottom flap bending mechanism 15 in different operating states. The first bottom flap bending mechanism 15 shown in FIG. 1 to FIG. 3 and FIG. 9 includes a main body 15a, a swinging member 15b, an interlocking member 15c, an electromagnet 15d, and a return spring 15e. The main body portion 15a is fixed to the main body frame 11, and is provided as a block-like structure to which the swing member 15b, the interlocking member 15c, the electromagnet 15d, and the return spring 15e are attached.
  The swing member 15 b is provided as a cylindrical member, for example, and constitutes a member that swings with the swiveling operation of the suction portion 21 by the suction swirl mechanism 13. And this rocking | swiveling member 15b is supported by the main-body part 15a so that it can rotate freely.
  The interlocking member 15c is provided, for example, as a plate-like steel member that is shorter than the swinging member 15b, and is configured as a member that is attracted to the electromagnet 15d when the electromagnet 15d is excited. The electromagnet 15d is configured as an electromagnet that can be switched between an excited state and a demagnetized state based on a command from a control device (not shown), and is supported on the main body 15a via a support member 15f.
  The interlocking member 15c has one end coupled to and fixed to the end of the swinging member 15b that is supported by the main body 15a, and has a predetermined angle with the swinging member 15b. It is arranged to protrude. Further, the interlocking member 15c is rotatably supported with the swinging member 15b with respect to the main body portion 15a and is supported in a cantilever manner.
  The electromagnet 15d that pulls the interlocking member 15c is demagnetized by a command from the control device at a timing when the turning drive unit 22 of the suction turning mechanism 13 starts to turn the suction unit 21, and the turning operation is performed. At the completion timing, it is configured to be excited again by a command from the control device. As the electromagnet 15d is excited, the interlocking member 15c is attracted to the electromagnet 15d and swings, and the swinging member 15b swings together with the interlocking member 15c. Thereby, the 1st bottom flap bending mechanism 15 will transfer to the state shown in FIG.9 (b) from the state shown to Fig.9 (a). Thus, the interlocking member 15c is configured as a member that causes the swinging member 15b to swing in conjunction with the turning operation of the attracting portion 21 through the operation of the electromagnet 15d.
  The return spring 15e is provided as, for example, a coil spring, and has one end portion rotatably supported with respect to the main body portion 15a and the other end portion rotatably supported with respect to the swing member 15b. Yes. When the electromagnet 15d is excited, the interlocking member 15c is attracted to and swings against the electromagnet 15d against the spring force of the return spring 15e, and the first bottom flap bending mechanism 15 is moved to the position shown in FIG. The state shown in FIG. 9 is shifted to the state shown in FIG. On the other hand, when the electromagnet 15d is demagnetized, it is biased by the spring force of the return spring 15e, so that the first bottom flap bending mechanism 15 changes from the state shown in FIG. 9B to the state shown in FIG. 9A. Will be migrated.
  In the first bottom flap bending mechanism 15 described above, the electromagnet 15d is demagnetized at the turning operation start timing of the attracting portion 21, which is the timing at which the rod 22d protrudes from the cylinder 22c. As a result, the swing member 15b swings due to the biasing force of the return spring 15e, and the first bottom flap bending mechanism 15 shifts to the state shown in FIG. Then, with the excitation of the electromagnet 15d that operates at the timing when the swiveling operation of the sucking portion 21 that rotates while the rod 22d is retracted with respect to the cylinder 22c and the sucking portion 21 sucks the first side surface 101a is attracted. The swinging member 15b swings and contacts the first bottom flap 102a provided integrally with the first side surface 101a of the rectangular tubular cardboard 100c adsorbed by the portion 21. At this time, the swinging member 15b swings and contacts the first bottom flap 102a so as to approach from the fold 105 side (that is, the side integrally provided with the first side surface 101a). In this way, the first bottom flap 102a is bent vertically at the fold 105 with respect to the first side surface 101a when the swinging member 15b swings and contacts.
  FIG. 10 is a perspective view schematically showing a state in which the first bottom flap 102a of the rectangular tubular cardboard 100c is bent by the first bottom flap bending mechanism 15. After the swing member 15b swings and the first bottom flap 102a is bent, the electromagnet 15d is maintained in an excited state, and the first bottom flap bending mechanism 15 is maintained in the state shown in FIG. 9B. Will be.
  The cardboard moving mechanism 14 shown in FIGS. 1 to 3 includes a rail 14a, a screw shaft 14b, an electric motor 14c, a slider 14d, a suspension support portion 14e, a moving nut member 14f, a connecting portion 14g, and the like.
  The rail 14 a is installed above the main body frame 11, and is provided as a rail member that defines the moving direction of the suction turning mechanism 13 by the cardboard moving mechanism 14. In the present embodiment, the rail 14a is installed so as to extend along the left-right direction of the main body frame 11 when the main body frame 11 is viewed from the front (from the direction shown in FIG. 2). The cardboard cardboard transport mechanism 12 is installed along the direction extending from the portion where the cardboard cardboard transport mechanism 12 is disposed to the cardboard card discharge unit 20.
  The slider 14d is slidably supported along the rail 14a with respect to the rail 14a, and is connected in a fixed state to the suspension support portion 14e. The suspension support part 14e supports the housing 22a in a suspended state. The housing 22a is supported in a state of being fixed to the suspension support portion 14e.
  The screw shaft 14b is installed above the main body frame 11 so as to extend in parallel to the rail 14a, one end is connected to the electric motor 14c, and the other end is connected to the main body frame 11 via a bearing. And is supported rotatably. The electric motor 14c is fixed to the main body frame 11, and is provided as a motor that rotationally drives the screw shaft 14b. The moving nut member 14f is provided as a nut-like member in which a through hole is formed, and is screwed into an inner periphery of the through hole with a male screw portion (not shown) formed on the outer periphery of the screw shaft 14b. An internal thread portion is provided. The connecting portion 14g is provided as a bent plate-shaped member, and one end portion is fixed to the moving nut member 14f and the other end portion is fixed to the suspension support portion 14e.
  With the above-described configuration, in the cardboard moving mechanism 14, when the electric motor 14c rotates, the screw shaft 14b rotates, and as the screw shaft 14b rotates, the moving nut member 14f that engages with the screw shaft 14b is provided. It moves along the screw shaft 14b. That is, when the screw shaft 14b rotates, the screw 14b is connected to the connecting portion 14g so that the moving nut member 14f has a moving direction defined in a direction parallel to the rail 14a and the screw shaft 14b. The position changes, and the moving nut member 14f moves along the screw shaft 14b.
  Since the slider 14d is fixed to the moving nut member 14f via the connecting portion 14g and the suspension support portion 14e, the slider 14d moves with respect to the rail 14a together with the moving nut member 14f moving along the screw shaft 14b. It will slide. Further, since the housing 22a is fixedly connected to the slider 14d via the suspension support portion 14e, the suction turning mechanism 13 moves together with the slider 14d. As a result, the cardboard moving mechanism 14 supports the suction swiveling mechanism 13 so as to be reciprocally movable along the rails 14a, and the square tubular corrugated cardboard 100c formed from the plate-shaped cardboard 100a by the suction swirling mechanism 13 into a rectangular tube shape. It is configured to move together with the suction turning mechanism 13.
  When the rectangular tubular cardboard 100c is moved along the rail 11 by the corrugated cardboard moving mechanism 14 via the suction turning mechanism 13, the fourth side surface is in a state of being disposed below the rectangular tubular cardboard 100c. 101 d is supported on a support member (not shown) provided in the main body frame 11 so as to extend in parallel with the rail 11. When the rectangular cardboard cardboard 100c is moved by the cardboard moving mechanism 14, the rectangular cardboard cardboard 100c slides on the support member.
  FIG. 11 is a plan view schematically showing the second bottom flap bending mechanism 16. The second bottom flap bending mechanism 16 shown in FIGS. 2, 3 and 11 is integrally provided on the second side surface 101b facing the first side surface 101a as the cardboard moving mechanism 14 moves the rectangular tubular cardboard 100c. The second bottom flap 102b is bent vertically with respect to the second side surface 101b at the fold 105 by contacting the second bottom flap 102b. The second bottom flap bending mechanism 16 is disposed on the front side of the main body frame 11 and includes a belt contact portion 23, a pressing drive portion 24, and the like.
  The belt contact portion 23 is provided as a mechanism that makes contact with the second bottom flap 102b on the surface of the annular belt 23c. The belt contact portion 23 includes a pair of pulleys (23a, 23b), an annular belt 23c, a support member 23d, a support member 23e, a return spring 23f, and the like.
  The pair of pulleys (23a, 23b) includes a first pulley 23a and a second pulley 23b. The annular belt 23c is provided as an annular belt wound around a pair of pulleys (23a, 23b).
  The support member 23d is provided as a rod-like member having one end rotatably attached to the rod 24b in the pressing drive unit 24 and the other end attached to the first pulley 23a rotatably. Yes. The support member 23e is provided as a rod-like member having one end rotatably attached to the rod 24b and a second pulley 23b rotatably attached to the other end, and shorter than the support member 23d. ing.
  Further, the support member 23d and the support member 23e are fixed to each other at one end portion rotatably attached to the rod 24b. Accordingly, the support member 23a and the support member 23b are configured to be swingable with respect to the rod 24b while maintaining a predetermined angle. For this reason, the distance between the pair of pulleys (23a, 23b) is kept constant. And the magnitude | size of the tension | tensile_strength produced by a pair of inner pulley (23a, 23b) in the annular belt 23c wound around a pair of pulley (23a, 23b) each supported by the supporting member (23d, 23e) is also predetermined | prescribed magnitude | size. It will be maintained in the above state.
  The return spring 23f is provided as a coil spring, for example, and has one end rotatably attached to the support member 23d and the other end rotatably attached to the rod 24b. The return spring 23f biases the support member 23d toward the cylinder 24a that supports the protruding rod 24b.
  The pressing drive unit 24 is provided as a mechanism for driving the belt contact unit 23 so as to protrude toward the rectangular tubular cardboard 100c and press it against the second bottom flap 102b. The pressing drive unit 24 includes a cylinder 24a, a rod 24b, and the like.
  The cylinder 24a and the rod 24b are provided as a cylinder mechanism that operates by pressure fluid, and are configured as an air cylinder mechanism that operates by compressed air, for example. Then, the compressed air is supplied to one of the pressure chambers partitioned in the cylinder 24a and the compressed air is discharged from the other pressure chamber, so that the rod 24d supported so as to be reciprocally movable with respect to the cylinder 24a is formed in the body frame. 11 is formed so as to protrude toward the side 11 (that is, in the direction indicated by the arrow D in FIG. 11). In addition, the compressed air is supplied to the other pressure chamber in the cylinder 24a and the compressed air is discharged from the one pressure chamber, so that the rod 24b is degenerated.
  Moreover, the cylinder 24a is installed in the upper part of the leg part 24c, and is installed in the height position corresponding to the predetermined | prescribed height to which the square cylindrical cardboard 100c moves. A support member 24e is fixed to the rod 24b so as to protrude. An auxiliary roller 24d that is urged against the second bottom flap 102b is rotatably supported at the tip of the support member 24e.
  In the second bottom flap bending mechanism 16, an electromagnetic valve that controls supply / discharge of compressed air to / from the rod 24a is switched based on a command from a control device (not shown), and the rod 24b projects from the cylinder 24a. Together with the rod 24b, the belt contact portion 23 protrudes to a position indicated by a two-dot chain line in FIG. At this time, the central portion of the annular belt 23c or a portion in the vicinity thereof first comes into contact with the tip of the second bottom flap 102b. As the rod 24b protrudes, the belt contact portion 23 protrudes toward the main body frame 11 (in the direction of arrow D in FIG. 11) while bending the second bottom flap 102b on the surface of the annular belt 23c. Will do. Further, at this time, the support members (23d, 23e) swing in the direction indicated by the arrow E in FIG. 11 against the spring force of the return spring 23f. As a result, the second bottom flap 102b is bent at the fold 105 with respect to the second side surface 101b.
  FIG. 12 is a perspective view schematically showing a state in which the second bottom flap 102b of the rectangular tubular cardboard 100c is bent by the second bottom flap bending mechanism 16. As shown in FIG. In the state where the protruding operation of the rod 24b is completed, the belt contact portion 23 is in a state of protruding to the position indicated by the two-dot chain line in FIG. 11 with respect to the cylinder 24a. And a pair of pulley (23a, 23b) will be arrange | positioned in the state arranged in the direction substantially parallel to the rail 14a, ie, the state arranged in parallel with the surface perpendicular | vertical to the 2nd side surface 101b. In this state, as shown in FIG. 12, the second bottom flap 102b is bent perpendicular to the second side surface 101b.
  In addition, the belt contact portion 23 obtained by bending the second bottom flap 102b has a second bottom flap 102b and a first bottom flap 102a until the rectangular tubular cardboard 100c passes and is removed by the cardboard moving mechanism 14. Is pressed against. When the rectangular corrugated cardboard 100c passes and comes off, the support member 23b is biased by the spring force of the return spring 23f, and the belt contact portion 23 swings toward the cylinder 24a. At this timing, the solenoid valve that controls the supply and discharge of the compressed air to and from the rod 24a is switched based on a command from a control device (not shown), and the rod 24b is retracted toward the cylinder 24a.
  FIG. 13 is a front view (FIG. 13A) and a plan view (FIG. 13B) schematically showing the third bottom flap bending mechanism 17 and the fourth bottom flap bending mechanism 18. 13A is a partially enlarged view of FIG. 2, and FIG. 13B is a partially enlarged view of FIG.
  The third bottom flap bending mechanism 17 shown in FIGS. 2, 3, and 13 is disposed between the first side surface 101 a and the second side surface 101 b in a state where the first side surface 101 a is adsorbed by the adsorption unit 21. It is provided as a mechanism for bending the third bottom flap 102c provided integrally with the third side surface 101c, and is installed above the main body frame 11. The third bottom flap bending mechanism 17 abuts the third bottom flap 102c with respect to the third side surface 101c by contacting the third bottom flap 102c as the cardboard moving mechanism 14 moves the rectangular tubular cardboard 100c. It is provided as a mechanism that bends vertically.
  The third bottom flap bending mechanism 17 is provided as a bent and extending member that is fixed to the main body frame 11 on one end side, and the tip end that is the other end is cantilevered from the main body frame 11. It comprises the 1st inclination bar 17a arranged so that it may extend in the shape. The first inclined bar 17a is disposed so as to extend downward in a direction inclined obliquely with respect to the moving direction of the rectangular tubular cardboard 100c by the cardboard moving mechanism 14 and the vertical direction. Accordingly, the first inclined bar 17a gradually bends the third bottom flap 102c downward along with the movement of the rectangular tubular corrugated cardboard 100c, and the fold 105 of the third bottom flap 102c with respect to the third side surface 101c is formed at the tip. Arranged so as to be bent vertically.
  The fourth bottom flap bending mechanism 18 shown in FIGS. 2, 3, and 13 is provided integrally with a fourth side surface 101 d that faces the third side surface 101 c below in a state where the first side surface 101 a is attracted to the suction portion 21. The fourth bottom flap 102d is provided as a mechanism for bending, and is installed below the third bottom flap bending mechanism 17 in the main body frame 11. The fourth bottom flap bending mechanism 18 is brought into contact with the fourth bottom flap 102d as the rectangular tubular cardboard 100c is moved by the cardboard moving mechanism 14, so that the fourth bottom flap 102d is brought into contact with the fourth side surface 101d. It is provided as a mechanism that bends vertically and forms a box-like cardboard box 100b.
  The fourth bottom flap bending mechanism 18 is provided as a bent member extending in a rod shape, and is fixed to the main body frame 11 on one end side, and the tip end which is the other end is cantilevered from the main body frame 11. The second inclined bar 18a is arranged to extend in a shape. The second inclined bar 18a is disposed so as to extend upward in a direction inclined obliquely with respect to the moving direction of the rectangular tubular cardboard 100c by the cardboard moving mechanism 14 and the vertical direction. Thereby, the second inclined bar 18a gradually bends the fourth bottom flap 102d upward along with the movement of the rectangular tubular corrugated cardboard 100c, and the fold 105 of the fourth bottom flap 102d with respect to the fourth side surface 101d is formed at the tip. Arranged so as to be bent vertically.
  FIG. 14 is a perspective view schematically showing a state in which the third bottom flap 102c and the fourth bottom flap 102d of the rectangular tubular cardboard 100c are bent by the third bottom flap bending mechanism 17 and the fourth bottom flap bending mechanism 18. is there. Note that the cardboard box 100b shown in FIG. 14 shows a state before the tape 106 is attached. The folding operation of the fourth bottom flap 102d by the fourth bottom flap bending mechanism 18 is performed at substantially the same timing or slightly delayed timing with respect to the bending operation of the third bottom flap 102c by the third bottom flap bending mechanism 17. And the cardboard box 100b shown in FIG. 14 is shape | molded by passing in front of the 3rd bottom flap bending mechanism 17 and the 4th bottom flap bending mechanism 18, and removing.
  FIG. 15 is a plan view schematically showing the tape attaching mechanism 19. The tape attaching mechanism 19 shown in FIGS. 2, 3, and 15 is configured so that the third bottom flap 102 c and the fourth bottom flap 102 c and the fourth bottom flap 102 c are moved along with the movement of the cardboard box 100 b formed by the fourth bottom flap bending mechanism 18 by the cardboard moving mechanism 14. A tape 106 is pressed and attached by the first roller 19b and the second roller 19c along the end of the bottom flap 102d, and a mechanism for cutting the tape 106 is provided. The tape attaching mechanism 19 includes a main body 19a, a first roller 19b, a second roller 19c, a first support member 19d, a second support member 19e, a link member 19f, a swing shaft (19g, 19h, 19i, 19j, 19k), a first spring 19m, a second spring 19n, a cutter holding member 19r, a cutter 19s, and the like. The tape attaching mechanism 19 is installed on the main body frame 11 via a bracket 26, and the tape 106 supplied from the tape holder 25 that holds the tape 106 that is fed while being unwound is used as the third bottom. It is comprised so that it may stick with respect to the flap 102c and the 4th bottom flap 102d (refer FIG. 3).
  The main body 19a is provided as a flat member and is fixed to the bracket 26. The 1st roller 19b is arrange | positioned in the main body part 19a on the opposite side to the cardboard box discharge part 20 side, and is rotatably supported by the 1st support member 19d. After the first roller 19b rides on the third flap 102c and the fourth flap 102d, the first roller 19b extends from the tape holder 25 along the joint between the end of the third bottom flap 102c and the end of the fourth bottom flap 102d. It is provided as a roller for pressing the supplied tape 106 by the action of the spring force transmitted from the second spring 19n.
  The second roller 19c is disposed on the cardboard box discharge portion 20 side in the main body portion 19a and is rotatably supported by the second support member 19e. The second roller 19c, following the first roller 19b, removes the tape 106 supplied from the tape holder 25 along the joint between the end of the third bottom flap 102c and the end of the fourth bottom flap 102d. The roller is pressed by the action of the spring force transmitted from the second spring 19n.
  The first support member 19d is provided as a curved flat plate-like member, and is supported so as to be swingable with respect to the main body portion 19a via a swing shaft 19g. The second support member 19e is provided as a curved flat plate-like member, and is supported so as to be swingable with respect to the main body portion 19a via a swing shaft 19h. The link member 19f is provided as a member for connecting the first support member 19d and the second support member 19e, and one end thereof is swingably connected to the first support member 19d via the swing shaft 19i. The other end of the second support member 19e is swingably connected to the second support member 19e via a swing shaft 19j.
  The cutter 19s is provided as a cutter for cutting the tape 106 attached to the ends of the third bottom flap 102c and the fourth bottom flap 102d by the first roller 19b. The cutter 19s is held in a state of being fixed to the cutter holding member 19r.
  The cutter holding member 19r is provided as a flat plate-like member, is formed as a part that is partially bent along the edge of one side, and is offset from the tape 106 along the end of the fourth bottom flap 102d. A sliding portion that slides at a different position is provided. Further, the cutter holding member 19r is swingably supported via the swing shaft 19k with respect to the main body portion 19a. The cutter 19s is installed at a position away from the sliding portion so that the tape 106 attached to the ends of the third bottom flap 102c and the fourth bottom flap 102d can be cut.
  The first spring 19m is provided as a coiled spring, and one end of the first spring 19m is rotatable with respect to the end opposite to the side on which the cutter 19s is held via the swing shaft 19k of the cutter holding member 19r. It is attached, and the other end is rotatably attached to the main body 19a. The first spring 19m is used for cutting the tape 106 with respect to the main body 19a when the sliding state of the sliding portion of the cutter holding member 19r to the fourth bottom flap 102d is released. The cutter holding member 19r is provided as a spring that urges the cutter holding member 19r so as to protrude to the right.
  The second spring 19n is provided as a coiled spring, one end of which is rotatably attached to the main body 19a, and the other end swings each of the second support member 19e and the link member 19f. It is rotatably attached to a swing shaft 19j that is freely connected. The second spring 19n rotates the first roller 19b and the second roller 19c that rotate while applying a tape along the joint between the end of the third bottom flap 102c and the end of the fourth bottom flap 102d. A spring is provided to urge the third bottom flap 102c and the fourth bottom flap 102d to be pressed.
  The tape attaching mechanism 19 described above operates in accordance with the movement of the cardboard box 100b formed by the third bottom flap folding mechanism 17 and the fourth bottom flap folding mechanism 18 by the cardboard moving mechanism 14. In this case, the cardboard box 100b moves from the direction indicated by the arrow F in FIG. First, the first roller 19b comes into contact with the edge portion of the second side surface 101b, swings greatly toward the main body 19a side, and rides on the surfaces of the third bottom flap 102c and the fourth bottom flap 102d. At this time, the end portion of the tape 106 supplied from the tape holder 25, that is, the end portion of the tape 106 cut by the cutter 19s at the previous operation is the first roller 19b with respect to the edge portion of the second side surface 101b. Press to paste.
  When the first roller 19b rides on the third bottom flap 102c and the fourth bottom flap 102d, the first support member 19d is urged by the second spring 19n via the link member 19f, whereby the first roller 19b. Is pressed against the ends of the third bottom flap 102c and the fourth bottom flap 102d. Thus, as the cardboard moving mechanism 14 moves the cardboard box 100b, the tape 106 is attached along the end portions of the third bottom flap 102c and the fourth bottom flap 102d by the first roller 19b. .
  When the tape 106 is applied by the first roller 19b as described above, the cutter holding member 19r swings so as to ride on the fourth bottom flap 102d. Then, the sliding portion of the cutter holding member 19r slides at a position displaced from the tape 106 along the end portion of the fourth bottom flap 102d. As a result, the cutter 19s is positioned so as to avoid the tape 106.
  Further, when the cardboard box 100b moves, the second roller 19c is also pressed from the top of the tape 106 against the end portions of the third bottom flap 102c and the fourth bottom flap 102d, similarly to the first roller 19b. . Then, after the second roller 19c is pressed against the third bottom flap 102c and the fourth bottom flap 102d, the first roller 19b is released from the third bottom flap 102c and the fourth bottom flap 102d.
  When the first roller 19b is disengaged from the third bottom flap 102c and the fourth bottom flap 102d, the sliding portion of the cutter holding portion 19r is also disengaged from the fourth bottom flap 102d. When the sliding portion of the cutter holding portion 19r is disengaged from the fourth bottom flap 102d, the cutter holding member 19r is urged by the first spring 19m and swings in a direction in which the cutter 19s protrudes from the main body portion 19a. Become. As the cutter holding member 19r swings, the tape 106 is cut by the cutter 19s installed at a position displaced from the cutter holding member 19r.
  When the cardboard box 100b further moves from the above state, the second roller 19c is detached from the third bottom flap 102c and the fourth bottom flap 102d. At this time, the urging force of the second spring 19n causes the second support member 19e to swing in a direction in which the second roller 19c protrudes from the main body portion 19a along the edge portion of the first side surface 101a. As a result, the end portion of the tape 106 which is attached along the end portions of the third bottom flap 102c and the fourth bottom flap 102d and which is cut by the cutter 19s is removed by the second roller 19c. Will be pasted.
  FIG. 16 is a perspective view schematically showing a cardboard box 100b assembled in a box shape by sealing the ends of the third bottom flap 102c and the fourth bottom flap 102d with the tape 106 by the tape attaching mechanism 19. . When the tape attaching operation by the tape attaching mechanism 19 is completed, the first to fourth bottom flaps (102a, 102b, 102c, 102d) are folded and sealed with the tape 106, and the first to first A cardboard box 100b having a bottom surface perpendicular to the four side surfaces (101a, 101b, 101c, 101d) is completed.
  The cardboard box discharge portion 20 shown in FIGS. 2 and 3 has a box shape in which the first to fourth bottom flaps (102a, 102b, 102c, 102d) are bent and sealed with tape 106 to form the bottom surface. It is provided as a part for discharging the corrugated cardboard box 100b assembled. The cardboard box discharge portion 20 is configured as a region in the vicinity of the end of the main body frame 11 opposite to the side on which the plate-like cardboard transport mechanism 12 is disposed.
  The cardboard box discharge unit 20 includes a bar-shaped discharge bar 20a extending in parallel with the moving direction of the cardboard box 100b by the cardboard moving mechanism 14. The discharge bar 20a has an upper surface with respect to the cardboard box 100b below the cardboard box 100b when the cardboard box 100b is moved by the cardboard moving mechanism 14 and the suction of the first side surface 101a by the suction unit 21 is released. It arrange | positions so that it may contact | abut on the side (namely, the side opposite to the bottom face side comprised by the 1st-4th bottom flap (102a, 102b, 102c, 102d)). For this reason, when the suction of the first side surface 101a by the suction portion 21 is released by the cardboard box discharge portion 20, the cardboard box 100b dropped in the posture shown in FIG. It rotates and its posture is changed, and as shown in FIG. 5, it falls with its upper surface facing upward. This completes the discharge of the assembled cardboard box 100b.
  When the above-described cardboard box assembly apparatus 1 is operated, first, the plate-like cardboard transport mechanism 12 on which the plurality of plate-like cardboards 100a are stacked and mounted is moved to a predetermined position in the main body frame 11. Then, when the operator operates a start switch of a control device (not shown), the assembly work of the cardboard box 100b is started by automatic operation.
  When the automatic assembly work of the cardboard box 100b by the cardboard box assembling apparatus 1 is started, the plate-like cardboard to be assembled placed on the top of the plate-shaped cardboard transport mechanism 12 by the suction turning mechanism 13 as described above. The rectangular corrugated cardboard 100c is formed by the first side surface 101a of 100a being sucked by the sucking portion 21 and turning. At this time, the first bottom flap 102a is bent by the first bottom flap bending mechanism 15 having the swinging member 15b interlocked with the turning motion of the suction portion 21.
  The sucked and held rectangular tubular cardboard 100c is moved by the cardboard moving mechanism 14, and the second bottom flap 102b is bent by the second bottom flap bending mechanism 16 during this movement. Further, during the subsequent movement, the third bottom flap 102c is folded by the third bottom flap folding mechanism 17, the fourth bottom flap 102d is folded by the fourth bottom flap folding mechanism 18, and the box-shaped cardboard box 100b is formed. The
  Furthermore, the tape which presses the tape 106 with the 1st and 2nd roller (19b, 19c) along the edge part of the 3rd bottom flap 102c and the 4th bottom flap 102d with the movement of the cardboard box 100b by the cardboard moving mechanism 14 The bottom surface of the cardboard box 100 b is sealed with the tape 106 by the pasting mechanism 19. Finally, the assembled cardboard box 100b is discharged from the cardboard box discharge unit 20.
  As described above, according to this embodiment, a series of operations from the state of the folded plate-like cardboard 100a to assembling the box-like cardboard box 100b is a plate-like cardboard conveyance mechanism that is a plate-like cardboard placement unit. 12, a cardboard box assembling apparatus 1 having an adsorption swiveling mechanism 13, a cardboard moving mechanism 14, first to fourth bottom flap folding mechanisms (15, 16, 17, 18), a taper attaching mechanism 19, and a cardboard discharge unit 20. By operating, it will be done automatically. For this reason, it is possible to eliminate the work of assembling the cardboard box 100b from the plate-like cardboard 100a based on the manual work of the operator, and it is possible to save labor by automation. In addition, since the above work can be unmanned, the assembly efficiency caused by the operator is not lowered in the first place. By adjusting the operation speed of the cardboard box assembling apparatus 1, the assembly efficiency is dramatically improved. Can be improved.
  Therefore, according to the cardboard box assembling apparatus 1, a series of operations from assembling the plate-shaped cardboard 100a to the box-shaped cardboard 100b can be performed automatically, and labor saving by automation is possible. As a result, the assembly efficiency can be improved and the assembly efficiency can be improved.
  Further, according to the cardboard assembly apparatus 1, the annular belt 23c pressed against the second bottom flap 102b is wound around the pair of pulleys (23a, 23b) as the rectangular cardboard cardboard 100c is moved by the cardboard moving mechanism 14. The second bottom flap 102b will be pushed with the surface in the state where it is applied. For this reason, the second bottom flap 102b can be smoothly bent without being caught by the second bottom flap 102b as the rectangular tubular cardboard 100c is moved by the cardboard moving mechanism 14. Further, since the annular belt 23c is pressed against the rectangular tubular cardboard 100c even after the second bottom flap 102b is bent, the first bottom flap 102a is also pushed by the annular belt 23c along with the movement of the rectangular tubular cardboard 100c. Will be. Thereby, it can prevent that the 1st bottom flap 102a bent by the 1st bottom flap bending mechanism 15 opens.
  Further, according to the corrugated cardboard assembly device 1, the third bottom flap 102c is bent by the first inclined bar 17a extending obliquely in the square tubular cardboard moving direction and the vertical direction only by moving the rectangular tubular cardboard 100c. . Therefore, the third bottom flap 102c can be easily bent with a simple structure in which the first inclined bar 17a extending obliquely in the rectangular tube-shaped cardboard moving direction and the vertical direction is provided.
  Further, according to the corrugated cardboard assembling apparatus 1, the fourth bottom flap 102d is bent by the second inclined bar 18a extending obliquely in the square tubular cardboard moving direction and the vertical direction only by moving the rectangular tubular cardboard 100c. . Therefore, the fourth bottom flap 102d can be easily bent with a simple structure in which the second inclined bar 18a extending obliquely in the rectangular tube-shaped cardboard moving direction and the vertical direction is provided.
  Further, according to the cardboard assembly apparatus 1, when the movement of the cardboard box 100b is finished and the suction of the first side surface 101a by the suction part 21 is released and the cardboard box 100b falls, the cardboard box moving direction is biased toward the upper surface side. The cardboard box 100b comes into contact with a discharge bar 20a extending in parallel with the cardboard box. As a result, the cardboard box 100b is discharged with the bottom face turned downward by rotating about 90 degrees. For this reason, it becomes possible to use the cardboard box 100b promptly in the discharged direction. Moreover, the structure which discharges the cardboard box 100b in the state which made the bottom face downward in the cardboard box discharge part 20 is realizable with the simple structure of providing the discharge bar 20a.
  Further, according to the corrugated cardboard assembly device 1, the plate-shaped cardboard mounting portion is provided as the plate-shaped cardboard transport mechanism 12 capable of transporting the plate-shaped cardboard 100a. For this reason, when it is necessary to replenish the plate-like cardboard 100a, after the plate-like cardboard 100a is placed on the outside and easily replenished, the plate-like cardboard 100a is moved to a predetermined position where it can be sucked by the suction turning mechanism 13. Can be transported and arranged. Thereby, the efficiency of the replenishment work of the plate-like cardboard 100a can be improved, and the work efficiency can be further improved.
  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made as long as they are described in the claims. That is, about the form of a plate-shaped cardboard conveyance mechanism, a suction turning mechanism, a cardboard moving mechanism, a first bottom flap folding mechanism, a second bottom flap folding mechanism, a third bottom flap folding mechanism, a fourth bottom flap folding mechanism, and a cardboard discharge portion May be implemented with appropriate modifications. In the above-described embodiment, the corrugated cardboard moving mechanism has been described as an example including a rail, a slider, a screw shaft, an electric motor, and a moving nut member. However, this need not be the case. Further, it may be configured to include various drive mechanisms such as a rack and pinion machine driven by a linear motor or a rotary motor. Further, in the above-described embodiment, the embodiment in which the plate-like cardboard placement unit is configured as a plate-like cardboard conveyance mechanism has been described as an example, but this need not be the case, and a mechanism for conveying the plate-like cardboard is provided. You may implement the cardboard box assembly apparatus provided with the plate-shaped cardboard mounting part which is not provided.
  The present invention forms a bottom surface perpendicular to each side surface by folding each bottom flap integrally provided on each side surface and sealing it with tape from a plate-like cardboard folded into a plate shape. As a cardboard box assembling apparatus for assembling a corrugated cardboard box, it can be widely applied.
DESCRIPTION OF SYMBOLS 1 Cardboard box assembly apparatus 12 Plate-shaped cardboard conveyance mechanism (plate-shaped cardboard mounting part)
DESCRIPTION OF SYMBOLS 13 Adsorption swirling mechanism 14 Cardboard moving mechanism 15 1st bottom flap folding mechanism 16 2nd bottom flap folding mechanism 17 3rd bottom flap folding mechanism 18 4th bottom flap folding mechanism 19 Tape sticking mechanism 20 Cardboard box discharge part 100a Plate-shaped cardboard 100b Corrugated cardboard box 100c Square tubular cardboard 101a First side surface 101b Second side surface 101c Third side surface 101d Fourth side surface 102a First bottom flap 102b Second bottom flap 102c Third bottom flap 102d Fourth bottom flap

Claims (6)

  1. The first, second, third, and fourth side surfaces are connected in a cylindrical shape with a crease provided, and the first corrugated cardboard is folded into a plate shape with the top and bottom surfaces open. The first, second, third, and fourth bottom flaps that are integrally provided with respect to each of the fourth side surfaces through the folds are bent and sealed with tape to form the first to fourth side surfaces. A cardboard box assembly device for forming the vertical bottom surface and assembling a box-shaped cardboard box,
    A plurality of the plate-like cardboards are placed and stacked, and a plate-like cardboard placement unit that sets the height of the plate-like cardboards placed on the top to a predetermined height;
    The negative pressure is generated on the first side surface of the plate-like cardboard to be assembled that is placed on the top of the plate-like cardboard placed on the plate-like cardboard placement portion. The plate-like corrugated cardboard to be assembled is formed in a rectangular tube shape by having a suction part that sucks the side face and a turning drive part that turns the suction part, and turning the suction part sucked on the first side face. A suction swivel mechanism to be molded;
    A cardboard moving mechanism that supports the suction swivel mechanism so as to be able to reciprocate, and that moves the rectangular cylindrical cardboard formed from the plate-like cardboard into a rectangular tube shape together with the suction swirl mechanism by the suction swivel mechanism;
    The suction swing mechanism has a swing member that swings as the suction portion swings, and the swing member swings against the first bottom flap that is integrally provided on the first side surface. A first bottom flap bending mechanism that bends the first bottom flap perpendicularly to the first side surface by contact;
    Along with the movement of the rectangular tubular cardboard by the cardboard moving mechanism, the second bottom flap is brought into contact with the second bottom flap integrally provided on the second side surface opposed to the first side surface. A second bottom flap folding mechanism for folding perpendicular to the second side surface;
    Along with the movement of the rectangular tubular cardboard by the cardboard moving mechanism, it abuts on the third bottom flap provided integrally with the third side face disposed between the first side face and the second side face. A third bottom flap folding mechanism for folding the third bottom flap perpendicularly to the third side surface;
    Along with the movement of the rectangular tubular cardboard by the cardboard moving mechanism, the fourth bottom flap is brought into contact with the fourth bottom flap integrally provided on the fourth side surface facing the third side surface. A fourth bottom flap bending mechanism that is bent perpendicularly to the fourth side surface to form a box-like cardboard box;
    As the cardboard box formed by the fourth bottom flap bending mechanism is moved by the cardboard moving mechanism, the tape is pressed by a roller along the ends of the third bottom flap and the fourth bottom flap. And a tape attaching mechanism for cutting the tape,
    A corrugated cardboard box discharging portion for discharging the corrugated cardboard box assembled into a box shape by forming the bottom surface by folding the first to fourth bottom flaps and sealing with the tape;
    A corrugated cardboard box assembling apparatus.
  2. The cardboard box assembling apparatus according to claim 1,
    The second bottom flap bending mechanism is
    A belt contact portion having a pair of pulleys and an annular belt wound around the pair of pulleys, and contacting the second bottom flap on the surface of the annular belt;
    A pressing drive unit that drives the belt contact portion to protrude toward the rectangular tubular cardboard and press against the second bottom flap;
    A corrugated cardboard box assembling apparatus.
  3. A corrugated cardboard box assembling apparatus according to claim 1 or 2,
    The third bottom flap bending mechanism is
    A first inclined bar extending in a bar shape toward a direction inclined obliquely with respect to the moving direction and the vertical direction of the rectangular tubular cardboard by the cardboard moving mechanism;
    The first inclined bar is cantilevered so as to bend the third bottom flap gradually with the movement of the rectangular tubular cardboard and to bend the third bottom flap perpendicularly to the third side surface at the tip. A cardboard box assembling apparatus, characterized in that the cardboard box is arranged in a shape.
  4. A corrugated cardboard box assembling apparatus according to any one of claims 1 to 3,
    The fourth bottom flap bending mechanism is
    A second inclined bar extending in a bar shape toward a direction inclined obliquely with respect to the moving direction and the vertical direction of the rectangular tubular cardboard by the cardboard moving mechanism;
    The second inclined bar is cantilevered so that the fourth bottom flap is gradually bent with the movement of the rectangular tubular cardboard and the fourth bottom flap is bent perpendicularly to the fourth side surface at the tip. A cardboard box assembling apparatus, characterized in that the cardboard box is arranged in a shape.
  5. A corrugated cardboard box assembling apparatus according to any one of claims 1 to 4,
    The cardboard box discharge portion has a bar-shaped discharge bar extending in parallel with the moving direction of the cardboard box by the cardboard moving mechanism,
    The upper surface of the discharge bar with respect to the cardboard box below the cardboard box when the cardboard box movement by the cardboard moving mechanism is finished and the suction of the first side surface by the suction unit is released. A cardboard box assembling apparatus, wherein the cardboard box assembling apparatus is arranged so as to contact at a position biased to the side.
  6. A corrugated cardboard box assembling apparatus according to any one of claims 1 to 5,
    The cardboard box assembling apparatus, wherein the plate-like cardboard placement section is provided as a plate-like cardboard transport mechanism capable of transporting the placed plate-shaped cardboard.
JP2010243602A 2010-10-29 2010-10-29 Corrugated fiberboard box assembling device Pending JP2012096807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010243602A JP2012096807A (en) 2010-10-29 2010-10-29 Corrugated fiberboard box assembling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010243602A JP2012096807A (en) 2010-10-29 2010-10-29 Corrugated fiberboard box assembling device

Publications (1)

Publication Number Publication Date
JP2012096807A true JP2012096807A (en) 2012-05-24

Family

ID=46389194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010243602A Pending JP2012096807A (en) 2010-10-29 2010-10-29 Corrugated fiberboard box assembling device

Country Status (1)

Country Link
JP (1) JP2012096807A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104909007A (en) * 2014-03-11 2015-09-16 青岛海信电器股份有限公司 Automatic bottom folding equipment for packing case
WO2019235555A1 (en) 2018-06-08 2019-12-12 株式会社資生堂 Box assembling and packing system and controller for said system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104909007A (en) * 2014-03-11 2015-09-16 青岛海信电器股份有限公司 Automatic bottom folding equipment for packing case
WO2019235555A1 (en) 2018-06-08 2019-12-12 株式会社資生堂 Box assembling and packing system and controller for said system

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