JP2006206086A - Container conveyer in bag-making and filling machine for paper-made liquid packaging container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a container conveyer capable of reducing a variation in a conveyance position of a container in a filling machine for stable conveyance with little variation in container position for each section of each process and easily adjusting a holder size corresponding to a container with a different corner size. <P>SOLUTION: The container conveyer includes a container holder means A consisting of a plurality of parallelopiped container holders 2 for holding containers C slidably movably arranged side by side at equal intervals densely in a line outside a ring of a track rail 1, respective support arms 4, a sliding roll 5, a sliding plate 3 and a container holding rail 6 for holding the lower part of the container C put and conveyed in the holder 2 from below, and a container holder moving means B consisting of a pair of respective rotary disks 10 closely provided respectively along a pair of semicircular inner peripheral faces opposite at both longitudinal ends of the oval track rail 1 so that they can be driven to rotate and respective semicircular recesses 11 fitting a semicircular part of the sliding roll 5, respectively. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a container transport device in a paper liquid packaging container box filling machine that boxes a square tube-shaped paper liquid packaging container and fills it with a liquid content.

  In general, as a conventional paper liquid packaging container box filling machine, as shown in the entire side view of FIG. 8 (a) and the entire plan view of FIG. 8 (b), the container forming section 40 and the container forming section In a chamber 50 (cover body) provided in connection with 40, a transport mechanism 53 including an endless chain 52 to which holders 51 are attached at regular intervals, and a guide 54 are provided along the chain 52. The endless chain 52 is fed in the direction of the arrow by sprockets 30 and 31 that are driven to rotate at both ends. In the case of the aseptic filling machine chamber 50, the aseptic chamber 50 is supplied with aseptic air in a positive pressure state.

  The molding portion 40 includes a carton magazine portion 41 that accumulates a large number of folded flat rectangular tubes 1 and feeds them one by one forward, and the rectangular tube 1 from a flat shape to a three-dimensional rectangular tube 1. A plurality of mandrel arms 45 for forming a rectangular tube container C by heat-sealing the bottom portion of the container C by loading and supporting the raised cylindrical portion 1 and supporting the raised rectangular tube body 1 in the horizontal direction. The shaft 44 is provided with a mandrel portion 43 (bottom molding process) of a vertical rotation type that is radially provided and rotates.

  The chamber 50 includes a filling process including a filling unit 58 that fills the container C with contents such as juice, milk, and liquor from the top opening, and a heating unit 59 that heats the top (top opening) of the container C. A heating step, a sealing step (top sealing step) including a sealing portion 60 that heat-seals and seals the heated top portion (opening portion) by pressure, and a carry-out portion 62 that carries out the filled sealed container C. It consists of an unloading process.

  Further, for example, in the case of the aseptic chamber 50, a sterilization process including an external sterilization unit 55 for sterilizing the outside of the container C carried in from the carry-in unit 61 and an internal sterilization unit 56 for sterilizing the inside of the container C; A drying process comprising a drying part 57 for drying and heat-sterilizing the sterilization station, a filling process comprising a filling part 58 for filling the container C with contents such as juice, milk and liquor from the top opening, From a heating process comprising a heating part 59 for heating the top opening, a sealing process comprising a sealing part 60 for crimping and heat-sealing the heated opening, and a sealing part 60 for carrying out a hermetic sealing, and an unloading part 62 for carrying out the filled sealed container C It consists of an unloading process. The aseptic air blowing unit 63 is provided on the opposite side of the carry-in unit 61.

  Further, as shown in FIG. 9, a conventional paper liquid packaging container box-filling machine includes a plurality of mandrel arms 48 for forming a rectangular tube container C by sealing the bottom of the container, and a vertical rotation shaft at an interval. There is a filling machine having a horizontal rotation type mandrel portion 43 mounted vertically downward along the outer peripheral portion of a rotating plate 10a supported and rotated by 10c, and a mandrel used for bottom molding at one end of the line 48 are arranged at equal intervals with respect to the turntable 2 and are suspended and fixed vertically.

Then, one copy of the carton 1 is taken out from the magazine 41 in which a large number of flat cartons 1 are collected, and the carton 1 is formed into a rectangular tube shape (raised) and then supplied to the mandrel 48 to be mounted and held. While the turntable 10a is rotated almost once, the bottom portion (bottom portion of the carton) of the rectangular tubular carton 1 is folded, heat-sealed, and hermetically formed bottom portion in the bottom molding step T1. And a rectangular tube container C having a top portion that opens.

  In this bottom molding step T1, the rectangular tube container C whose bottom portion is hermetically sealed and whose top portion is opened is then drawn downward from the mandrel 48 and linearly transported with holders 51 attached to the endless chain 52 at equal intervals. A cap attachment process T2 that is transferred to the apparatus L and attaches a stopper to the top part (the upper part of the carton) of the rectangular tube container C, and a top folding process T3 that temporarily folds the top part of the rectangular tube container C as necessary. After that, in order, filling step T4, top portion folding step (or heating step) T5, heating step (or folding step) T6, top portion crimping sealing step T7, heating and sealing as necessary, top sealed square tube Filling, top part folding, heating, top part sealing, and carrying out are performed while being sequentially transferred to a cooling step T8 for washing and cooling the container C and a carrying out step T9.

Below, the publicly known literature relevant to the technique of this invention is described.
JP-A-11-165711 Japanese Patent Laid-Open No. 11-165712 JP 2002-255334 A

  By the way, the conventional container transport mechanism 53 in the paper liquid packaging container box filling machine is composed of an endless chain 52 having a plurality of holders 51 attached at regular intervals, and a sprocket that drives and rotates both ends of the chain 52. Since it is wound around 30 and 31 and transferred continuously intermittently, the endless chain 52 elongates over time as the operation is repeated.

  Therefore, each part of each process (external sterilization part 55 in the sterilization process, internal sterilization part 56, drying part 57 in the drying process, filling part 58 in the filling process, heating part 59 in the heating process, sealing part 60 in the sealing process) The transport position of each container C in the section) changes, making it difficult to perform boxing and filling operations with high accuracy on the packaging container C, causing troubles in boxing and filling operations, and frequently adjusting the mechanical position. Therefore, it took a lot of labor and labor to adjust the machine.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a paper liquid packaging container box filling machine that suppresses fluctuations in the conveyance position of a container and enables stable conveyance with little fluctuation in the position of the container relative to each section of each process. Another object is to provide a container transport device that can easily adjust the size of the holder even if the containers have different angular sizes.

The invention according to claim 1 of the present invention is an endless elliptical circular track rail 1 arranged horizontally, and closely arranged on the outer ring surface of the track rail 1 so as to be slidable along the circular track rail 1. A plurality of cylindrical container holders 2 for holding containers C arranged adjacently at equal intervals, and extending toward the inner side of the ring over the lower and upper parts of the annular track rail 1 and each of the container holders 2 is attached to and supported by each of the supporting arm portions 4 and the vertical support shafts of the extending end portions of the respective supporting arm portions 4 so as to be freely rotatable and slidably rotated along the annular inner surface of the annular track rail 1. A sliding roll 5 that slides along the annular outer surface of the annular track rail 1 provided between the annular outer surface of the annular track rail 1 and the container holder portion 2, respectively, and the container holder portion 2 to be loaded and transported A container holder means A composed of a container holding rail 6 for holding the lower part of C on the lower side, and a pair of halves facing each other at both longitudinal ends of the oval track rail 1 in the container holder means A pair of rotating disk portions 10 disposed adjacent to each other so as to be capable of driving and rotating along the inner circumferential surface of the circular portion, and provided at a plurality of locations on the circumferential outer surface of the pair of rotating disk portions 10 at equal intervals; A container holder moving means B composed of semicircular recesses 11 for fitting the semicircular parts of the sliding rolls 5 of the support arm parts 4, respectively, and a pair of rotating disk parts of the container holder moving means B 10 made of paper, characterized in that each container holder portion 2 of the container holder means A is moved along the oval track rail 1 by driving rotation of either one or both of them, and the container C is conveyed. liquid A vessel conveying device in instrumentation container box making filling machine.

  According to a second aspect of the present invention, in the container transport device according to the first aspect, the cylindrical container holder portion 2 is a rectangular or cylindrical container holder portion 2, and is a rectangular tube shape or a cylindrical shape. It is a container conveying apparatus in the paper liquid packaging container box-filling machine characterized by conveying the container C-shaped.

  The invention according to claim 3 of the present invention is such that the track rail 1 is slidably movable along the annular track rail 1 in the container transfer device in the paper liquid packaging container box filling machine according to the first or second aspect. A cylindrical container C formed into a container bottom seal is moved along the moving direction of the plurality of cylindrical container holders 2 that hold the cylindrical containers C closely arranged in a row in the outer ring shape. A liquid packaging container made of paper, in which a container loading process part I, a container sterilization process part II, a content filling process part III, a container top seal molding process part IV, and a container discharge process part V are arranged in It is a container conveyance apparatus in a box-filling machine.

  The invention according to claim 4 of the present invention is the container transfer device in the paper liquid packaging container box filling machine according to any one of claims 1 to 3, wherein the cylinder inner side surface of the cylindrical container holder portion 2 is used. 4, the size adjusting cylinder 7 for changing the cylinder diameter of the container C is provided so as to be closely inserted and / or attachable / detachable. It is a container conveyance apparatus in the paper-made liquid packaging container box-filling machine of description.

  The container transport device in the paper liquid packaging container box filling machine of the present invention includes a cylindrical container holder portion 2 for transporting each cylindrical container C boxed by a composite sheet material with a synthetic resin mainly composed of paper. Without adopting an endless chain transfer system in the transport movement mechanism, a plurality of adjacent container holders 2 are sequentially moved along the elliptical track rail 1 by driving rotation of the rotating disk part 10. It adopts a push-feed transport movement system that transports while pushing, and each process (such as a bottom seal molding and top seal molding for the cylindrical container C, a container sterilization process, a content filling process, etc.) For example, a container loading process part I, a sterilization process part II, a filling process part III for loading a rectangular cylindrical container C molded in a container bottom seal by the mandrel means H into the container holder part 2, As opposed to the container top seal molding process part IV and the container discharge process part V), the endless chain can be extended over time even if the container holder part 2 is intermittently transported continuously and the box-filling operation is repeated. It is possible to suppress the variation in the transport position of the cylindrical container C caused by this, and it is possible to perform a stable transport with little variation in the position of the container with respect to each part (section) of each process, the variation in the transport position of each container C, and the container C Can reduce the accuracy of box making and filling operations, avoid troubles in box making and filling operations, and can save labor and labor for frequent mechanical position adjustment.

Further, the container transport device according to the present invention closely fits and fits the size adjusting cylinder 20 for changing the cylinder diameter of the cylindrical container C along the cylinder inner surface of the cylindrical container holder 2. Since the cylindrical container C has a cylindrical diameter size (for example, a square size or a diameter size), the size adjusting cylinder 20 is immediately attached to the cylindrical container holder even in the case of box making and filling operations for the containers C having different cylindrical sizes (for example, square size and diameter size) Part 2
By loading along the inner surface of the cylinder, it is possible to provide an apparatus that can easily adjust the size of the container holder 2 to change its size.

  DESCRIPTION OF EMBODIMENTS Embodiments of a container transport device in a paper liquid packaging container box filling machine according to the present invention will be described below in detail with reference to the drawings.

  FIG. 1 is a top view of a container transport device in a paper liquid packaging container box filling machine according to the present invention, comprising a container holder means A and a container holder moving means B for driving and moving the container holder means A. Yes.

  As shown in FIG. 1, the container holder means A includes an endless elliptical annular track rail 1 that is horizontally disposed, and a container outer means A that is tightly attached to the outside of the track rail 1 so as to be slidable along the annular track rail 1. Are provided with a plurality of cylindrical container holders 2 for holding the containers C arranged adjacently at equal intervals in a line.

  Each of the cylindrical container holder portions 2 has a generally cylindrical shape as shown in FIG. 1 (or a cylindrical shape although not shown).

  2 (a) is a top view of one cylindrical container holder portion 2, and FIGS. 2 (b) to (c) are perspective views thereof. Each of the plurality of cylindrical container holder portions 2 has the same shape. When the cylindrical container holder 2 is of a rectangular tube shape, the front plate 2a provided on the front as viewed from the annular outer side of the annular track rail 1, and the left and right side plates 2b, 2b The front plate 2a and its left and right side plates 2b, 2b are attached to and supported on the back as viewed from the annular outer side of the annular track rail 1, and the annular outer surface of the annular track rail 1 and the container holder portion 2 are respectively supported. It comprises a sliding plate portion 3 that slides along the annular outer surface of the annular track rail 1 provided therebetween. In the case where the cylindrical container holder portion 2 is cylindrical, for example, the front plate 2a and the left and right side plates 2b, 2b are respectively cylindrical plates having a continuous circular curved cylindrical shape. And a sliding plate portion 3 for mounting and supporting the cylindrical plate.

  As shown in FIGS. 2A to 2B, support arm portions for supporting the container holder portion 2 on the annular track rail 1 are provided on the upper and lower portions of the sliding plate portion 3 on the outer surface side of the container holder portion 2. 4 and 4 are provided.

  The supporting arm portions 4 and 4 of the sliding plate portion 3 are extended toward the inner side of the annular track rail 1 so as to straddle the lower and upper portions of the annular track rail 1. Is provided with a sliding roll 5 that is pivotally supported by the vertical support shaft 5a so that the sliding roll 5 can rotate while sliding along the annular inner surface of the annular track rail 1. Yes.

  FIG. 3 is a front sectional view taken along the line MM in FIG. 1, and the support arm portions 4, 4 are formed by sandwiching the annular track rail 1 between the outer surface of the sliding plate portion 3 and the roll peripheral surface of the sliding roll 5. The container holder part 2 attached to is supported so as to be slidable with respect to the annular track rail 1 together with the sliding plate part 3. In addition, as each material used for the annular track rail 1 and the sliding plate portion 3, a wear-resistant and slippery metal material or a ceramic material, or a wear-resistant, slippery and heat-resistant synthetic resin material, or It is appropriate to use a metal material or a synthetic resin material or the like lined with these materials.

  Further, as shown in FIG. 1, a container holding rail 6 for holding the lower part (bottom surface) of the container C loaded in the container holder 2 and transported and moved is provided on the outer ring side of the annular track rail 1. The annular track rail 1 is provided along the annular shape.

  As shown in the partial side view of FIG. 4, the container holding rail 6 includes a container holding rail 6a for horizontal conveyance for horizontally conveying the container C loaded in the container holder portion 2 while holding the bottom surface thereof, The container C is transported while being slid down in the container holder part 2, and is eventually detached from the container holder part 2 and the container holding rail 6 b that is inclined to descend the container C to be detached from the container holder part 2. While holding the bottom surface of the container C horizontally, a container holding rail 6c for horizontal conveyance is provided that is pushed and conveyed in the horizontal direction by the subsequent container C.

  The container holding rail 6 is held by one or several lifting / lowering means D that can move up and down to a predetermined height.

  The structure of the lifting / lowering holding means D is not particularly limited in the present invention, and it is a moving body that moves up and down by a pneumatic method or a hydraulic method such as a rod air cylinder or a rodless air cylinder, or by rotation of an electric motor. There are moving bodies and the like that are screwed to a vertical screw shaft that rotates at a fixed position and moves up and down.

  For example, as shown in FIG. 4, the structure of the lifting and lowering holding means D is attached to a frame F on the main body side of the present invention, a bracket 12 attached to the frame F, and a perpendicular to the bracket 12. A rodless air cylinder composed of an attached linear guide 13 and a moving body 14 that moves up and down by air along the linear guide 13, and a support attached to the moving body 14 that can move up and down of the rodless air cylinder. The support shaft 15 holds the container holding rail 6 from the lower side, and the container holding rail 6 can be moved up and down to a predetermined height by moving the support shaft 15 up and down. ing.

  As shown in FIGS. 1 and 3, the container holder moving means B for driving and moving the container holder means A includes a pair of opposing each other at both longitudinal ends of the elliptical track rail 1 of the container holder means A. A pair of rotating disk parts 10 and 10 are disposed along the inner peripheral surface of the semicircular part 1a so as to be rotatable through a support shaft 10a, and one or both of the disk parts 10 are provided. The motor can be driven and rotated by a power source such as a motor.

  The semicircular recesses 11 for fitting the semicircular portions of the sliding rolls 5 of the support arm portions 4 to the circumferential outer end surfaces 10b of the pair of rotating disk portions 10 and 10 are provided at a plurality of locations, respectively. It is provided at intervals.

  And each container holder part 2 of the said container holder means A uses the semicircular part of each sliding roll 5 attached to the support arm part 4 as a pair of each rotary disk part 10, 10 of the said container holder moving means B. Are fitted in (engaged with) each of the semicircular recesses 11 and are closely adjacent to each other along the elliptical track rail 1 by driving rotation of one or both of the rotating disk portions 10 and 10. Each of the container holders 2 is moved while being pushed, and the containers C loaded in the respective container holders 2 are conveyed.

  For example, a plurality of rectangular containers or cylindrical cylindrical containers C that are closely arranged in a row on the annular outer side of the track rail 1 so as to be slidable along the annular track rail 1 of the container holder means A are held. As shown in FIG. 1, on the outside along the moving direction of the individual cylindrical container holder part 2, a container loading process part I for loading a cylindrical container C formed into a container bottom seal into the container holder part 2, A container sterilization process part II, a content filling process part III, a container top seal molding process part IV for top-sealing the top part 22 (upper part) of the container C, and a container discharge process part V are arranged.

In the container loading process part I, as shown in FIG. 4, the bottom part of the mandrel means H (or the bottom part of the container C in FIGS. 5A to 5B) is heat-sealed and molded into a rectangular tube in the container bottom seal molding process. A rectangular tube container in which a plurality of mandrel arms 45 for forming the container C are radially formed on a horizontal rotation shaft 44 and vertically rotated, and the bottom of the container in FIG. A horizontal rotation type mandrel portion 43) in which a plurality of mandrel arms 48 for forming C are mounted vertically downward along the outer peripheral portion of the rotating plate 10a which is supported by the vertical rotating shaft 10c and rotates at the same interval. While holding the body surface part 20 of the cylindrical container C, the cylindrical container C in which the bottom part 21 (lower part) of the container C is bottom-sealed is loaded into the container holder part 2.

  In this way, the cylindrical container C formed at the bottom is formed while bottom sealing the bottom of the cylindrical container C for liquid packaging made of paper with the mandrel H in the container bottom seal molding step. The container is loaded into the container holder 2 in the container loading process section I, sterilized with heated air or the like in the sterilization process section II, the contents are filled into the cylindrical container C in the filling process section III, and the container top The top part (upper part) of the cylindrical container C filled in the seal molding process part IV is top-sealed and hermetically sealed, and the container C hermetically sealed in the container discharge process part V is removed from the container holder part 2. It is separated and discharged (see FIG. 4).

  As shown in FIG. 2A, the cylindrical container holder 2 of the container transport device in the paper liquid packaging container box filling machine of the present invention is provided along the inner side surface of the cylindrical container holder 2. There is provided a size adjusting cylinder 7 for changing the tube diameter of the rectangular or cylindrical tube container C that can be closely inserted and / or detachably fitted.

  The size adjusting cylinder 7 has a rectangular tube shape or a cylindrical shape, and is formed of a metal material, a plastic material, a wood material, or the like having a predetermined thickness, and is transported in a paper liquid packaging container box filling machine. Corresponding to the cylinder outer diameter of the cylindrical container C that is loaded and transported into the rectangular or cylindrical tubular container holder 2 of the apparatus, it is dense along the inner surface of the container holder 2. The cylinder inner diameter of the size adjusting cylinder 7 to be inserted and fitted is set.

  In FIG. 2A, for example, when the size adjusting cylinder 7 is not used, as shown in FIG. 2B, the cylinder inner diameter of the cylinder container holder 2 main body is made of a paper liquid packaging container box. The cylinder outer diameter C1 of the cylindrical container C conveyed by the container conveying device of the filling machine is used. When the size adjusting cylinder 7 is used, as shown in FIG. The cylinder inner diameter is the cylinder outer diameter C2 or C3 of the cylindrical container C conveyed by the container conveying device.

The whole top view explaining the container conveyance apparatus in the paper-made liquid packaging container box-filling machine of this invention. (A) is a top view explaining the cylindrical container holder part of the container conveyance apparatus in the paper-made liquid packaging container box-filling machine of this invention, (b), (c) is the perspective view. The sectional side view explaining the container conveyance apparatus in the paper-made liquid packaging container box-filling machine of this invention. The partial side view explaining the container conveyance apparatus in the paper-made liquid packaging container box-filling machine of this invention. (A) is a general | schematic side view explaining the container conveyance apparatus in the conventional paper liquid packaging container box-filling machine, (b) is the top view. The general | schematic side view explaining the container conveyance apparatus in the conventional paper liquid packaging container box-filling machine.

Explanation of symbols

A ... Container holder means A
B ... Container holder moving means B
C ... cylindrical container I ... container loading process part II ... container sterilization process part III ... content filling process part IV ... container top seal molding process part V ... container discharge process part 1 ... oval annular track rail 2 ... cylindrical container Holder part 3 ... sliding plate part 4 ... support arm part 4
5 ... sliding roll 6 ... container holding rail 7 ... size adjusting cylinder 10 ... rotating disk part 11 ... semicircular recess

Claims (4)

  An endless elliptical annular track rail 1 arranged horizontally, and a container C arranged adjacent to each other at regular intervals in a closely spaced manner on the annular outer side of the track rail 1 so as to be slidable along the annular track rail 1. A plurality of cylindrical container holder portions 2 to be held, and support arm portions 4 that extend toward the inner side of the ring over the lower and upper portions of the annular track rail 1 and attach and support the respective container holder portions 2; A sliding roll 5 that is rotatably supported on the vertical support shaft of the extending tip of each of the support arm portions 4 and that slides and rotates along the annular inner surface of the annular track rail 1, and the annular track rail 1. A sliding plate portion 3 that slides along the annular outer surface of the annular track rail 1 provided between each of the annular outer surfaces and the container holder portion 2, and a container C that is loaded into the container holder portion 2 and conveyed. Hold the bottom of the bottom Drive rotation along the inner peripheral surfaces of a pair of semicircular portions facing each other at both longitudinal ends of the oval annular track rail 1 of the container holder means A composed of a holding rail 6 A pair of rotating disk portions 10 arranged in close proximity to each other, and each sliding roll 5 of each of the support arm portions 4 provided at a plurality of positions on the circumferential outer surface of the pair of rotating disk portions 10 at equal intervals. Container holder moving means B each comprising a semicircular recess 11 for fitting the semicircular portions of the container holder, and by driving rotation of one or both of the pair of rotating disk portions 10 of the container holder moving means B. Containers in a paper liquid packaging container box filling machine characterized in that each container holder part 2 of the container holder means A is moved along the elliptical track rail 1 to transport the container C. Feeding apparatus.   2. The paper liquid packaging container according to claim 1, wherein the cylindrical container holder part 2 is a rectangular or cylindrical container holder part 2 for transporting a rectangular or cylindrical container C. Container transport device for box making and filling machines.   Along the moving direction of the plurality of cylindrical container holders 2 holding the cylindrical containers C closely arranged in a row on the annular outer side of the track rail 1 so as to be slidable along the annular track rail 1. Container loading process section I, container sterilization process section II, contents filling process section III, container top seal molding process section IV, container discharge, and the like. The container transport device in the paper liquid packaging container box filling machine according to claim 1, wherein the process section V is arranged.   Along the inner side surface of the cylindrical container holder 2, a size adjusting cylinder 7 for changing the cylinder diameter of the container C is provided so as to be closely inserted and / or detachable. The container conveyance apparatus in the paper liquid packaging container box-filling machine of any one of Claim 1 thru | or 3.

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