WO2004080707A1 - 容器底部形成装置 - Google Patents
容器底部形成装置 Download PDFInfo
- Publication number
- WO2004080707A1 WO2004080707A1 PCT/JP2004/003180 JP2004003180W WO2004080707A1 WO 2004080707 A1 WO2004080707 A1 WO 2004080707A1 JP 2004003180 W JP2004003180 W JP 2004003180W WO 2004080707 A1 WO2004080707 A1 WO 2004080707A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- mandrel
- folding
- rail
- breaker
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/24—Breaking creases to facilitate setting-up cartons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
Definitions
- the present invention relates to a bottom forming device for a container such as a rectangular cylindrical container filled with milk, particularly to a container bottom forming device including a pottom breaker and a method for forming a bottom of a container.
- a high-speed liquid filling machine for filling a paper container with a liquid such as milk or juice
- a high-speed liquid filling machine having a filling station shown in FIG. 8
- Such a high-speed liquid filling machine includes a machine frame 1 having a filling station, a transport conveyor 2 capable of transporting containers so as to be sequentially stopped at the filling station, and a radial A rotating body 4 having a mandrel 3, a filling device 8 having a filling tank 5, a fixed-quantity cylinder 6 and a filling nozzle 7, and a container elevating device 9 arranged at a filling station in the middle of the transport path; It has a heat sealer 110 and the like arranged.
- the container material (carton blank) is taken out from the magazine 11 holding the container material that can be formed into a rectangular tube shape while spreading it in a rectangular tube shape, and is sequentially fitted to the mandrel 3.
- the end serving as the container bottom is heated by the bottom heating device 12, the container peripheral end heated by the container end folding device 13 is folded flat, and the container bottom crimping device 14 is folded flat.
- the above-mentioned end is crimped into a bottomed rectangular cylindrical container, and the bottomed rectangular cylindrical container is attached to an endless chain 15 from a mandrel. Transfer to a container holder.
- the transport conveyor 2 includes an endless chain 15 to which the plurality of container holders are connected, and a pair of sprockets 1 provided at the start and end of the transport path around which the endless chain 15 is stretched. 6 and 17.
- the bottomed rectangular cylindrical container transferred to the conveyor is intermittently transported on the rail 18 that receives and guides the bottom of the container by the container holder attached to the endless chain 15, Pre-folding device 19, which makes a fold to make it easy to fold the top of the container into a roof shape, and a hydrogen sterilization device that sterilizes the inside of the container by spraying with water and / or ultraviolet light 20. .
- the bottomed rectangular cylindrical container that is intermittently conveyed and stopped at the filling station is pushed up by the container elevating device 9 and when it reaches the top dead center, the filling of the liquid from the filling nozzle 7 is started and the container is lowered.
- the bottomed rectangular cylindrical container filled with liquid is a folding device 21 that finally folds the top of the creased container into a roof shape, the top of the container that heats the sealing surface of the top of the folded container.
- the top of the container is heat-sealed by a heat sealer 10 which presses the top of the container via the heating device 22, the date and the like are printed by the printing device 23, and the product is discharged as a liquid-filled packaged product.
- a container forming device (carton blank) is fitted to a mandrel to form a bottom, and a forming device for a bottomed rectangular cylindrical container.
- the bottom component end portion has first to fourth bottom wall panels that are sequentially connected, and a pair of cuts are formed at the center of the front end of the first bottom wall panel, so that the bottom cut end is sandwiched between both cuts
- What is claimed is: 1.
- the first and third bottom wall panels are fitted so that they protrude and the first and third bottom wall panels are oriented in the direction perpendicular to the mandrel movement direction, and the mandrel is driven intermittently so as to be stopped at the processing station.
- a bottom breaker is provided at the bottom end of the container fitted on the mandrel stopped at the processing stage, and a bottom breaker for bending the container so that it can be folded flat.
- Rabbit, bottom break (C) has a third quirk folding member that bends the folding fold part outwardly along the base thereof to form a fold, and the third quirk folding member is a mandrel stopped at the processing station. On the axis of the container, it can be moved so as to be able to approach and separate from the bottom component of the container fitted on the same mandrel.When approaching, the third habit fold member collides with the fold forming part.
- the third habit folding member is the same as the actuator that operates the first habit folding member and the second habit folding member.
- the container has a mandrel
- the container has the bottom component projecting from the mandrel on the mandrel, and the first to fourth bottom wall panels of the bottom component are arranged upstream, right, downstream and left in the mandrel movement direction.
- a moving body that is fitted so that it is turned sequentially and is driven intermittently so that the mandrel is stopped at the processing station, and the bottom configuration of the container that is fitted over the mandrel that is stopped at the processing station At the end, there is a bottom breaker that gives a folding habit so that it can be folded flat.
- the force has a first fold folding means and a second fold folding means, and the first and second fold folding means are first folded so that the second and fourth bottom wall panels form a two-folded triangle by the operation of the first fold folding means.
- a packaging machine wherein the second and fourth bottom wall panels are folded by the second and fourth bottom wall panels following the second and fourth bottom wall panels.
- the mandrel stopped at the processing station has a habit-folding member that is movable in the axial direction, and at the time of folding, the habit-folding member comes into contact with the first bottom wall panel and the third bottom wall panel.
- a device that presses this see Japanese Utility Model Publication No. Hei 6-46669).
- the present applicant has also filed a number of applications regarding a packaging machine for a rectangular cylindrical container provided with a container end folding device (bottom breaker), and has a plurality of radial mandrels on which the container is fitted and covered.
- the rotor is intermittently driven so as to sequentially stop at the same number of processing stations I to IV as the mandrel, and is disposed at one of the processing stations I to IV.
- the container pot breaker and at least one of the at least one pressed through the container which is placed at the processing station IV where the container bottom breaker is located and which is rested on the mandrel when stopped at the same processing station IV
- a packaging machine comprising a container fixing device provided with a container pressing member and a container has been proposed (see Japanese Utility Model Laid-Open No. 63-177007).
- the bottom constituting end has first to fourth bottom wall panels that are successively connected, and that the first bottom wall panel is provided with a fold forming portion for preventing liquid end surface penetration at the center of the front end edge.
- a packaging machine for a rectangular cylindrical container having a mandrel wherein the container has a bottom-constituting end protruding from the mandrel so that the first and third bottom wall panels are directed in a direction orthogonal to the mandrel moving direction. Intermittently driven so that the mandrel is stopped at the processing station. And a bottom breaker which, at the bottom constituent end of the container fitted on the mandrel stopped at the processing station, has a habit of folding so that it can be folded flat.
- a first curl folding member and a second curl folding member wherein the second and fourth bottom wall panels are folded first by the operation of the first curl folding member, and the second curl folding member
- the first and third bottom wall panels are subsequently folded by the action of the bottom breaker, and the bottom breaker further folds the fold forming part outwardly along its base to reduce the folding habit.
- the third folding member is swingable from a non-operation position to a second operation position via the first operation position,
- the third bending member moves from the non-operation position to the first operation position While or after being swung, the fold forming portion, which is moved together with the first bottom wall panel by the operation of the second kinking member, abuts against the third kinking member and is bent outward.
- the third folding member is swung from the first operating position toward the second operating position. The swing of the third folding member during this period causes the folded portion to be folded.
- a packaging machine see Japanese Patent Application Laid-Open No. 2000-2012
- the bottom constituting end portion has first to fourth bottom wall panels that are successively connected, and a folded end forming portion for preventing liquid end surface permeation is provided at the center of the leading edge of the first bottom wall panel.
- a moving body that is intermittently driven so as to be sequentially stopped at the first and second processing stations, and a bottom constituent end of the container fitted to the mandrel stopped at the first processing station;
- the fold is formed so that it can be folded flat, and the folded part is bent rightward along the base to form a fold. While the bottom breaker and the mandrel are moving from the first processing station to the second processing station, they come into contact with the crimped bottom component end of the container fitted over the mandrel and flatten it.
- Folding rail that guides from the first processing station to the second processing station while folding, and flatly folds and crimps the bottom constituent end of the container fitted on the mandrel stopped at the second processing station
- a fall tondle rail has left and right rail members, and a mandrel that moves from the first processing station to the second processing station between the two rail members.
- a packaging machine in which a gap is formed to allow the tip of the crimped bottom constituting end of the fitted container to enter.
- a guide member for preventing habit folding restoration is arranged in the rail gap so as to be able to come into contact with a required portion of a bottom component moving there. — See 1 2 7 2 6 3 Public Bulletin).
- the applicant has a mandrel
- the container has the bottom component projecting from the mandrel on the mandrel, and the first to fourth bottom wall panels of the bottom component are moved upstream, right, and mandrel in the mandrel moving direction.
- a moving body that is fitted in such a way that it turns to the downstream and to the left in the direction of movement and is driven intermittently so that the mandrel is stopped at the processing station, and a container that is fitted to the mandrel stopped at the processing station.
- a bottom breaker for bending the flat part so as to be able to fold it flat at the bottom constituent end having a first habit folding means and a second habit folding means;
- the second and fourth bottom wall panels are first folded so as to form a two-folded triangle by the operation of the first folding means, and the second and fourth bottom walls are folded by the second folding means.
- a packaging machine first and third bottom panel following the panel have been made to the folding Murrell so, the second habit folding means, left and right It has an openable and closable upstream arm and a downstream arm that can swing about an axis extending in the direction, and when folded, the upstream arm contacts and presses the first bottom wall panel, and The arm contacts and presses the third bottom wall panel, and a pressing roller having a rotation center extending in the left-right direction is attached to a contact portion of the downstream arm against the third bottom wall panel.
- Packaging machine see Japanese Patent Application Laid-Open No. 2000-280375 which is characterized by the fact that it has been proposed.
- FIG. 1 has a radial mandrel 31 and the mandrel 31 is arranged so as to rotate counterclockwise as shown by the arrow A in the figure and to stop at eight first to eighth processing stations I to VIII sequentially.
- Intermittent drive 32 feeder 33 located at 1st processing station I, pot heater 34 located at 4th processing station IV, located at 5th processing station V Bottom vibration 35, folding rail 36 arranged from the fifth processing station V to the sixth processing station VI, and a potato press arranged at the sixth processing station VI
- an apparatus having an unloader 38 disposed at the transfer station 37 and the eighth processing station VIII, and a container transfer conveyor 39 disposed so that the eighth processing station VIII is a starting point of the transfer path. It is a target.
- the folding rail 36 plays a role of contacting and guiding the bottom component folded at the fifth processing station V to the sixth processing station VI to further deepen the degree of folding of the bottom component.
- the bottom breaker 35 includes a first fold member for folding the second and fourth bottom wall panels, and a second fold member for folding the first and third bottom wall panels.
- Figure 5 As shown in the prior art apparatus, the mandrel is moved from the fifth processing station V to the sixth processing station VI in a state where the folding member has completed the folding and returns to the original open position, The bottom component of the folded rectangular cylindrical container is opened at any time, and the opened rectangular cylindrical container is folded again by the folding rail 36.
- Such a device is unsanitary because the polyethylene on the surface of the container is peeled off and paper dust is generated due to friction between the container and the folding rail, particularly at the protrusion of the rail. Had occurred.
- resistance from the folding rail may cause the container to be twisted rearward in the traveling direction, resulting in a loss of aesthetic appearance of the formed shape or a leak in the seal.
- the resistance of the fold-in rail also changes, so that it was necessary to adjust the degree of insertion of the container into the mandrel each time, which required a complicated operation.
- the present applicant moves the mandrel in a state where the pressing roller of the second habit folding means is in contact with the third bottom wall panel of the container, and the bottom end portion of the container is opened.
- Japanese Patent Laid-Open Publication No. 2000-280375 Japanese Patent Laid-Open Publication No. 2000-280375
- the upstream arm and the downstream arm that constitute the second habit folding means are configured so that the upstream arm is longer than the downstream arm, and the downstream arm first presses the first bottom wall panel.
- An object of the present invention is to solve the above-mentioned problems with respect to a container bottom forming device including a bottom breaker of a rectangular cylindrical container, and to be able to reliably fold the bottom constituent end of the container into a desired final shape. Moreover, it is an object of the present invention to provide a container bottom forming apparatus having a simplified structure capable of easily responding to changes in the material and the like of the container.
- the mandrel rotation direction side of the pressing plate of the second folding member is enlarged and extended so that the container can be brought into contact with the folding rail while the second folding member presses the bottom wall panel of the container. It is extended and used as a delivery section, and this delivery section and the folding rail are arranged without being separated. Then, when the transfer portion of the second folding member is connected to the folding rail, the operation timing of the mandrel is changed so as to move the mandrel to the next station.
- the transition from the bottom breaker to the folding rail was extremely smooth without being opened once and in the folded shape. Furthermore, when a folding rail composed of a central rail and an auxiliary rail is adopted as the folding rail, the folded bottom constituting end is a container material that has a strong springback that tends to return to the original state. It has been confirmed that the wafer can be stably transported to the bottom press station, and the present invention has been completed. Disclosure of the invention
- the present invention provides a mandrel rotator having a plurality of mandrels into which a cylindrical container is inserted so as to protrude a bottom-constituting end portion composed of four bottom wall panels, and intermittently rotating the mandrel.
- Fold the bottom of the container A container bottom forming apparatus, comprising: a hammer fold forming unit; a hammer fold forming unit configured to fold a bottom constituent end of a container to form a fold; and a fold formed bottom constituent end.
- a folding rail for guiding from the bottom breaker station having the bottom breaker to a bottom press station having the bottom presser in contact with a bent bottom forming end.
- the bottom breaker is a first habit folding means for hammer-folding two bottom wall panels constituting a bottom constituting end from the rotating direction of the mandrel, and the other two bottom wall panels constituting the end are mandrel.
- a second curl folding means for folding the curl from a direction perpendicular to the rotation direction of the second bottom wall panel.
- a container bottom forming device (Claim 1), comprising: a delivery portion that can be delivered to the folding rail in a state where it is pressed and folded.
- Means and a second habit folding means comprising: a pair of openable and closable arms; and a pressing portion connected to the arm and pressing a bottom wall panel constituting a bottom constituting end of the container.
- the container bottom forming device according to (1) or (2), wherein the pressing portion of the first and second folding means is a pressing plate or a pressing roll.
- the delivery portion of the second habit folding means is an extended portion provided integrally with the pressing plate or the mandrel of the pressing roll in the second habit folding means in a rotating direction.
- the container bottom forming device according to claims 1 to 3 (claim 4), and the extension portion is configured to approach the rotation center of the mandrel rotating body as it goes in the rotation direction of the mandrel.
- the container bottom forming device according to any one of claims 1 to 4, wherein the folding rail is located on substantially both sides of the center rail guiding the center of the container bottom and the center rail.
- the present invention has a plurality of mandrels into which a cylindrical container is inserted so as to protrude a bottom-constituting end portion, and a mandrel rotating body for intermittently rotating the mandrel; And a bottom breaker that folds the bottom constituting end of the container to form a fold, and a bottom presser that flatly presses the bent bottom configured end.
- a container bottom forming apparatus comprising: a bottom breaker having a bottom breaker; and a folding rail which contacts a crimped bottom constituting end and guides it to a pottom press station having the bottom presser.
- a container bottom forming method (claim 8) characterized in that it is transferred to a rail, and a bottom constituting end formed by the first to fourth bottom wall panels of the rectangular cylindrical container is first formed into a first habit of a bottom breaker.
- Folding means to fold the bottom wall panel into a two-folded triangular shape in the direction of rotation of the mandrel, and then use second folding means to fold the bottom wall panel in a direction perpendicular to the direction of rotation of the mandrel;
- the container bottom forming method according to claim 8 wherein the folded bottom wall panel is transferred to the folding rail while being pressed while the mandrel is rotated.
- FIG. 1 is a side view showing a container bottom forming device of the present invention.
- FIG. 2 is an inverted schematic perspective view of a rectangular cylindrical container used in the container bottom forming device of the present invention.
- FIG. 3 is a side view showing the bottom breaker of the present invention.
- FIG. 4 is a view showing a folding rail of the present invention.
- FIG. 5 is a view showing the state of the bottom constituent end of the container by the container bottom forming device.
- FIG. 6 is a front view showing the entire structure of the mandrel rotating body (horizontal rotating mandrel) of the present invention.
- FIG. 7 is a diagram showing a section AA of FIG. 6 of the present invention.
- FIG. 8 is a side view showing a general high-speed liquid filling machine.
- the container bottom forming device of the present invention includes a plurality of mandrels into which a cylindrical container is inserted so as to protrude a bottom constituent end composed of four bottom wall panels, and a mandrel rotation for intermittently rotating the mandrel.
- a container bottom forming apparatus comprising: a body; and a hammer folding forming means for hammer folding a container bottom, wherein the hammer folding forming means folds a bottom constituting end of the container to form a hammer.
- a bottom presser that flatly presses the crimped bottom constituent end; and a bottom breaker station that has the bottom breaker. The bottom that has the bottom presser in contact with the crimped bottom constituent end.
- First habit folding hand to crease the direction of rotation of Ndoreru A second curl folding means for curving the other two bottom wall panels constituting the step and the bottom constituting end from a direction perpendicular to the rotating direction of the mandrel; Any container having a delivery portion that can be delivered to the folding rail in a state where the bottom wall panel is pressed and folded is provided.
- a mandrel having a plurality of mandrels into which a cylindrical container is inserted so as to protrude the bottom-constituting end portion, a mandrel rotating body for intermittently rotating the mandrel, and a container bottom are bent.
- a container bottom forming apparatus comprising: a bottom; a bottom breaker having the bottom breaker; and a folding rail that contacts a bent bottom forming end from the bottom breaker station and guides the pot to the pot press station having the pot presser.
- the method is not particularly limited as long as it is a method in which the bottom-constituting end is pressed by the bottom shake-casting so as to be bent and transferred to the folding rail.
- the mandrel rotating body may be any one that intermittently rotates the mandrel such that the mandrel can be sequentially stopped at a bottom breaker station, a pottom press station, or the like in a curl folding forming means for curling the container bottom.
- Known ones having a plurality of radially arranged mandrels as shown in Fig. 1 and having a rotating body that rotates vertically, and intermittently rotating horizontally
- a horizontal rotating mandrel with a plurality of mandrels vertically arranged concentrically on the lower surface of the mandrel disk can be mentioned.In particular, two of them are arranged in the radial direction because of the simplicity of the installation of the folding machine.
- Horizontal rotation with the above mandrels juxtaposed A rotating mandrel rotating body can be suitably exemplified.
- the cylindrical container is not particularly limited as long as it is a cylindrical container that can be inserted into a mandrel so as to protrude a bottom constituting end composed of four bottom wall panels, but a square cylindrical container is preferably used.
- a torso forming portion 51 to be a torso and a top to be a top, as shown in FIG. '' And a bottom forming end 53 which is to be the bottom, and the bottom forming end 53 is composed of first to fourth rectangular panels 54 to 57 which are sequentially connected to the endless.
- a container 50 in which an inverted V-shaped score line 59 is formed can be exemplified.
- this container 50 first, the second and fourth bottom wall panels 55, 57 are folded inward along the score line 59 while the second and fourth bottom wall panels 55, 57 are folded inward by the operation of the first habit folding means of the bottom breaker.
- the first and third bottom wall panels 54, 5 are folded so as to form a triangle and are then superimposed on the folded second and fourth bottom wall panels by the second habit folding means. 6 will be folded.
- a rectangular cylindrical container in which the ridgeline of the body of the rectangular cylindrical container is chamfered can also be exemplified.
- the curl-folding means for curling the bottom of the container includes a bottom breaker provided at a bottom breaker station, for folding the container at the bottom constituting end to form a curl, and a bottom press station. And a folding rail that presses the crimped bottom-constituting end flat and presses the pot-shaped breaker station to contact the crimped bottom-constituting end to the pot press station.
- the bottom breaker is not particularly limited as long as it includes the first break means for bending the two bottom wall panels constituting the bottom constituting end from the rotating direction of the mandrel and the bottom constituting end.
- the other two bottom walls that make up Any type may be used as long as it has a second hammer folding means for hammering the panel from a direction perpendicular to the rotation direction of the mandrel.
- the first and second fold folding means include an arm that can swing openably and closably, and a pressing portion that is connected to the arm and presses a bottom wall panel that forms a bottom constituting end of the container.
- the pressing portion presses the bottom wall panel There is no particular limitation as long as the pressing portion presses the bottom wall panel, and a plate-shaped pressing plate or a rod-shaped pressing roll can be exemplified. Plates are preferred.
- a needle-shaped pressing member capable of point-pressing only the tip may be a triangle-shaped pressing curved plate.
- the arm of the second habit folding member that presses the first and third panels may adjust the arm length appropriately so that the third panel easily overlaps the first panel. The operation may be performed sequentially such that one panel is pressed and then the third panel is pressed.
- the container bottom forming device is provided with a transfer unit that can transfer the bottom wall panel of the container to the folding rail in a state where the two bottom wall panels are pressed by the second habit folding means and are folded.
- the delivery section presses the bottom wall panel by the second habit folding means and delivers the folded wall to the folding rail in a state where the habit is formed.
- Any structure may be used as long as it has a structure capable of operating the mandrel of the pressing plate or the pressing roll in the second habit folding means.
- a press plate that is integrally molded so as to be extended and expanded is easy to prepare, and the structure of the device is simplified, which is preferable. Can be used.
- the extension portion is configured so as to approach the rotation center of the mandrel rotating body as it moves in the rotation direction of the mandrel, so that delivery becomes smoother.
- the folding rail is not particularly limited as long as it can be folded by a bottom breaker and can hold the shape of the bottom wall panel of the almost folded container, but the center for guiding the center of the container bottom is used. Rails are preferred because they can most stably hold the bottom panel. In addition, if auxiliary rails are installed on almost both sides of the center rail, even if the container material has a strong spring back that the folded bottom constituent end is going to return to the original state, it will be stable. It is more preferable because it can be transported to the bottom press station. In addition, if the folding rail is arranged closer to the rotation center of the mandrel rotator as it moves in the rotation direction of the mandrel, the container bottom can be folded more flatly.
- the container bottom forming apparatus of the present invention has eight radial mandrels 31. As shown by an arrow A in the figure, the mandrel 31 rotates in a counterclockwise direction while rotating the eight mandrels 31.
- An intermittent drive rotor 32 arranged so as to sequentially stop at first to eighth processing stations I to VIII; Feeder 33 located in station I, bottom heater 34 located in fourth station IV, potato breaker 35 located in fifth station V, and fifth station V It includes a folding rail 36 arranged over the sixth processing station VI, a bottom pressurer 37 arranged at the sixth processing station VI, and an unloader 38 arranged at the eighth processing station VIII. Below the eighth processing station VIII, there is provided a container transfer conveyor 39 arranged so that the lower part of the eighth processing station Vli is the start of the transfer path.
- the second processing station II, the third processing station III, and the seventh processing station VII are all idle stations. At the idle station, pre-heaters and other facilities are provided as appropriate.
- the bottom constituting end 53 of the container 50 is projected from the mandrel 31, and the first to fourth bottom wall panels 54 to 57 are respectively moved by the mandrel.
- the containers 50 are sequentially inserted from obliquely downward to obliquely upward such that the directions are rightward, upstream in the mandrel movement direction, left in the mandrel movement direction, and downstream in the mandrel movement direction.
- the bottom breaker 35 is formed by folding the second and fourth bottom wall panels 55 and 57 in the fifth processing stage V along the score line 59.
- a pair of first habit folding arms 41 that open and close in the mandrel movement direction, and a pair of first and third bottom wall panels 54 and 56 that fold to form a triangle, a direction perpendicular to the mandrel movement direction
- a pair of second habit folds 42 that open and close.
- a yoke 44 fixed to the machine frame by appropriate means is provided, and a pair of yokes 44 extending in the left-right direction is provided.
- the first rotating shaft 45 and the outside of the first rotating shaft 45 intersect with each other.
- a pair of second rotating shafts 46 extending in the mandrel movement direction are supported on the second rotating shaft 46.
- the pair of first hammer folding arms 41 are pivotally supported by a pair of first rotating shafts 45, and have a triangular plate-shaped pressing curved plate 47 at the ends.
- the pair of second hammer folders 42 are pivotally supported by a pair of second rotating shafts 46, and are provided with a substantially square plate-shaped pressing plate 48 at the ends.
- the pair of first rotating shafts 45 and the pair of second rotating shafts 46 are reversibly rotated in opposite directions to each other by a driving means (not shown). 41 opens and closes the triangular plate-like pressing curved plate 47 so as to approach and separate from each other, and a pair of second habit folding arms 42 causes the substantially square plate-like pressing plate 48 to approach and separate from each other. Open and close as shown.
- the triangular plate-shaped pressing curved plate 47 of the first bending arm 41 comes into contact with the second and fourth bottom wall panels 55 and 57.
- Folding, and then rotation of the pair of second habit folding arms 42 causes the substantially square plate-like pressing plate 48 to abut on the first and third bottom wall panels 54 and 56 and fold.
- a transfer portion 49 is provided on the substantially square plate-shaped pressing plate 48 of the second hammer folding arm 42 in a molded form. As shown in FIG. 3, the transfer section 49 is provided so as not to be separated from the folding rail 36 when closed, so that the second folding arm 42 is closed, and the substantially square plate-shaped pressing plate 48 is closed.
- the folding rail 3 is kept in a state where the first and third panels 54 and 56 are pressed. 6 will be delivered smoothly (see Figure 3).
- the container bottom forming apparatus of the present invention in which the container is transferred to the folding rail in this manner, since the container and the folding rail have little rubbing, the polyethylene on the container surface is peeled off, and residue or paper dust is generated. Rarely occurs.
- the sliding resistance on the rail is extremely small, and the first and third panels 54 and 56 overlap on the rail. The deviation in the traveling direction at the side becomes smaller.
- the folding rail 36 will be briefly described.
- the folding rail 36 is formed in a partially concentric circular arc shape centered on the rotation center of the rotor 32. If the folding rail 36 is arranged slightly closer to the center of rotation of the rotor 32 from the fifth processing station V to the sixth processing station VI, the bottom forming end of the container becomes deeper. The part can be folded.
- the folding rail 36 may be a single rail 61 that guides by contacting the approximate center line of the bottom of the container. However, as shown in FIGS. 4 and 5, both sides of the center rail 61 may be used.
- the container can be stably conveyed to the bottom press section even if the folded bottom constituting end is a container material with strong springback that tends to return to the original state. be able to.
- it is composed of a folding rail 36, a force center rail 61, and a first panel side auxiliary rail 62 and Z or a third panel side auxiliary rail 63, and these members are positioned relative to other members.
- the adjustment work (adjustment so that the first panel is securely inserted into the third panel) by changing the material and shape of the container can be easily performed.
- a horizontally rotating mandrel rotating body in which two or more mandrels are horizontally arranged in the radial direction is used as the mandrel rotating body.
- the delivery part (49), the folding rail (36), and the like, which are features of the present invention, can be configured in substantially the same manner based on the principle described above.
- FIG. 6 shows a front view of the entire device of the horizontal rotating mandrel
- FIG. 7 shows a cross-sectional view taken along line AA of FIG.
- b 1st carton magazine 4a, carton magazine 4b arranged parallel to this, pika loader 5a, 5 which is a means for supplying mandrel from power ton magazines 4a, 4b b, Pre-bottom heater 6, Bottom heater — Evening 7, Bottom breaker (potom folding device) 8, Bottom sealer 9, Unloader 10, Conveyor 11 to be transferred to post-process, Operation panel 12, Servo motor 1 Represents 3.
- the outer frame 15 of the horizontal rotating mandrel, the gantry 16 and the column 17 are shown.
- the rotating disk 1 forms the top surface of the chamber 13.
- the structure of the chamber at the bottom part of the container (around the mandrel) was very large, but the rotating disk 1 forms the top of the chamber 23. Therefore, the structure of the chamber can be made very compact. This also makes it very easy to clean and sterilize the inside of the chamber 123.
- FIG. 6 a horizontal rotating mandrel having a rotating shaft 2, mandrels 3a and 3b, and magazines 4a and 4b is mounted on a pedestal 16 provided on a column 17, and on the left side of the drawing,
- the bottom-sealed carton is conveyed to the filling process and the like by the conveyer 11.
- Fig. 7 shows the cartons supplied by the picker loaders 5a and 5b, which are the means for supplying the mandrel from the magazines 4a and 4b attached to the rotary table.
- the first magazine 4a is arranged in the tangential direction of the horizontal rotating disk, and the magazine 4b is arranged parallel to the magazine 4a and facing the inner mandrel.
- the magazine 4a is arranged so as to face the outermost mandrel arranged in a plurality of concentric circles, and the second magazine 4b is arranged so as to face the inner mandrel 3b 45 degrees ahead.
- the horizontal rotating mandrel is picker'loader 5 which takes out and feeds one ton of force from magazines 4a, 4b to achieve carton bottom seal while intermittently rotating at 45 degrees counterclockwise direction , Pre-bottom heater 6, Potom heater 7, Bottom breaker 8, Bottom seal 9, Unloader 10 are provided corresponding to the mandrel in which a plurality of radially arranged mandrels are installed. Arrives and is processed through each process. Industrial applicability
- the transfer portion provided on the bottom breaker transfers the container to the folding rail, which is the next step, in a deeply folded state, so that the rail and the container are less rubbed, and The generation of debris and paper dust from the polyethylene on the surface can be almost eliminated.
- the container has low sliding resistance on the folding rail, suppresses molding defects due to twisting of the container in the rearward direction in the traveling direction due to the rail resistance, and provides a container molded product that is stable and excellent in appearance. it can.
- the container bottom forming device of the present invention can be used regardless of the material of the container, it is not necessary to finely adjust the positions of the bottom breaker and the folding rail, and the device can always be operated at a fixed position. Can be.
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Abstract
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Priority Applications (1)
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JP2005503563A JP4647487B2 (ja) | 2003-03-11 | 2004-03-11 | 容器底部形成装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003-065764 | 2003-03-11 | ||
JP2003065764 | 2003-03-11 |
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WO2004080707A1 true WO2004080707A1 (ja) | 2004-09-23 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/003180 WO2004080707A1 (ja) | 2003-03-11 | 2004-03-11 | 容器底部形成装置 |
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JP (1) | JP4647487B2 (ja) |
WO (1) | WO2004080707A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010195025A (ja) * | 2009-02-24 | 2010-09-09 | Ishizuka Glass Co Ltd | マンドレル装置 |
CN102446661A (zh) * | 2010-10-11 | 2012-05-09 | 江苏省如高高压电器有限公司 | 一种126kV断路器灭弧室对中工装 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62185031U (ja) * | 1986-05-17 | 1987-11-25 | ||
JP2000280375A (ja) * | 1999-03-31 | 2000-10-10 | Shikoku Kakoki Co Ltd | 包装機械 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2813820B2 (ja) * | 1989-09-13 | 1998-10-22 | 四国化工機株式会社 | 容器成形装置 |
JP2001179853A (ja) * | 1999-12-27 | 2001-07-03 | Toppan Printing Co Ltd | カートンの底部成形装置 |
JP4722255B2 (ja) * | 2000-06-16 | 2011-07-13 | 日本テトラパック株式会社 | 包装容器成形装置及び包装容器 |
-
2004
- 2004-03-11 WO PCT/JP2004/003180 patent/WO2004080707A1/ja active Application Filing
- 2004-03-11 JP JP2005503563A patent/JP4647487B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62185031U (ja) * | 1986-05-17 | 1987-11-25 | ||
JP2000280375A (ja) * | 1999-03-31 | 2000-10-10 | Shikoku Kakoki Co Ltd | 包装機械 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010195025A (ja) * | 2009-02-24 | 2010-09-09 | Ishizuka Glass Co Ltd | マンドレル装置 |
CN102446661A (zh) * | 2010-10-11 | 2012-05-09 | 江苏省如高高压电器有限公司 | 一种126kV断路器灭弧室对中工装 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004080707A1 (ja) | 2006-06-08 |
JP4647487B2 (ja) | 2011-03-09 |
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