WO2021166675A1 - 搬送装置および搬送方法 - Google Patents

搬送装置および搬送方法 Download PDF

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Publication number
WO2021166675A1
WO2021166675A1 PCT/JP2021/004235 JP2021004235W WO2021166675A1 WO 2021166675 A1 WO2021166675 A1 WO 2021166675A1 JP 2021004235 W JP2021004235 W JP 2021004235W WO 2021166675 A1 WO2021166675 A1 WO 2021166675A1
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WIPO (PCT)
Prior art keywords
transport
conveyor
upstream
downstream
articles
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PCT/JP2021/004235
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
長山　弘之
安行 平野
繁彦 穂坂
Original Assignee
三菱重工機械システム株式会社
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Application filed by 三菱重工機械システム株式会社 filed Critical 三菱重工機械システム株式会社
Priority to KR1020227022614A priority Critical patent/KR20220106827A/ko
Publication of WO2021166675A1 publication Critical patent/WO2021166675A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
    • B65G47/68—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor
    • B65G47/682—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor from a single conveyor lane consisting of one conveyor or several adjacent conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/20—Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
    • B65G21/2045—Mechanical means for guiding or retaining the load on the load-carrying surface
    • B65G21/2063—Mechanical means for guiding or retaining the load on the load-carrying surface comprising elements not movable in the direction of load-transport
    • B65G21/2072—Laterial guidance means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/02—Devices for feeding articles or materials to conveyors
    • B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
    • B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
    • B65G47/14—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
    • B65G47/30—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
    • B65G47/30—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors
    • B65G47/31—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors by varying the relative speeds of the conveyors forming the series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0235—Containers

Definitions

  • This disclosure relates to a device and a method for transporting an article.
  • a multi-row container that is discharged from a storage conveyor that stores a large number of containers to a conveyor downstream has a guide that is inclined with respect to the transport direction and a conveyor that runs in parallel in the transport direction with a speed difference (parallel conveyor). And can be used to reduce the number of columns.
  • Patent Document 1 by introducing a container from a storage conveyor to a curved conveyor via a parallel conveyor and an inclined guide portion, the containers are arranged in a single row by utilizing centrifugal force.
  • the transport device of the present disclosure includes an upstream transport unit that transports articles in a densely packed state in a predetermined transport direction, and a downstream transport unit that is connected in parallel to the upstream transport unit and transfers articles from the upstream transport unit. It is provided with an alignment guide portion that is inclined in a plan view with respect to the transport direction and points downstream in the transport direction as it approaches the boundary along the transport direction of the upstream transport portion and the downstream transport portion from the upstream transport portion side.
  • the alignment guide section forms a group of standard articles composed of a plurality of articles arranged in a certain shape at the end of the trajectory of the articles in the upstream transport section.
  • the downstream transport section includes a centrifugal force applying section that gives the article a curved trajectory.
  • articles transported in a predetermined transport direction in a dense state are transferred from an upstream transport section to a downstream transport section connected in parallel to the upstream transport section, and the articles are transferred in the downstream transport section.
  • This is a transport method for transporting articles while reducing the number of rows of articles, and is arranged in a fixed shape at the end of the trajectory of the articles in the upstream transport section by an alignment guide section that is inclined in a plan view with respect to the transport direction.
  • the containers are evenly transferred from the standard container group that holds a constant shape at the end of the upstream transport section to the downstream transport section by the alignment guide section, so that the containers are downstream.
  • the row reduction process in the downstream transport section can be stably performed.
  • FIG. 1 It is a top view which shows typically the transport device which concerns on embodiment of this disclosure. It is a figure which shows the part of FIG. 1 enlarged. It is an enlarged view of the main part of FIG. It is a figure which shows the linear 1st conveyor shown in FIG. It is a top view which shows typically the transport device which concerns on the modification of this disclosure.
  • FIG. 1 shows a part of a line for manufacturing a beverage product in a container.
  • the container 2 (FIG. 2) stored in the storage conveyor 1 from equipment for sterilization and filling (not shown) and discharged downstream from the storage conveyor 1 passes through the transport device 10 to the downstream equipment such as an inspection device (not shown). It is transported toward.
  • the container 2 corresponds to an article having a circular or substantially circular cross section.
  • the container 2 is, for example, a can or a bottle, and is conveyed by the conveyor 10 in an upright state on a conveyor.
  • FIG. 2 show an example of the configuration of the transport device 10.
  • the transport device 10 is connected in parallel to the upstream transport unit 11 that transports the container 2 in the first direction D1 (transport direction) in a dense state, and is connected in parallel to the upstream transport unit 11 for upstream transport.
  • a downstream transport unit 12 on which the container 2 is transferred from the unit 11 and an alignment guide 32 for aligning the container 2 at the terminal portion 11E of the upstream transport unit 11 are provided.
  • the terminal portion 11E of the upstream transport unit 11 corresponds to the terminal portion of the orbit of the container 2 on the conveyor constituting the upstream transport unit 11, unlike the terminal portion 11F of the upstream transport unit 11.
  • each of the upstream transport unit 11 and the downstream transport unit 12 can be configured.
  • the upstream transfer unit 11 may be composed of a plurality of conveyors connected in series.
  • the downstream transfer unit 12 includes a first conveyor 121 and a second conveyor 122 connected in series. It is also permissible to interpose a transfer plate between conveyors connected in series. Further, a transfer plate may be interposed between the upstream transport unit 11 and the downstream transport unit 12.
  • the transport device 10 forms a standard container group 20 composed of a plurality of containers 2 arranged in a fixed shape at the terminal portion 11E of the upstream transport portion 11 by an alignment guide 32, whereby the standard container group 20 to the downstream transport portion 12 Container 2 is evenly supplied to. By doing so, the number of rows of the containers 2 in the downstream transport unit 12 can be stably reduced against disturbance. In at least a part of the downstream transport unit 12, the number of rows is surely reduced while applying centrifugal force to the container 2.
  • the transfer device 10 can reduce the number of rows of the containers 2 to a single row and supply the containers 2 arranged in a single row to the single row conveyor 6 (FIG. 1) further downstream.
  • the transport device 10 is required to have a transport capacity corresponding to the processing capacity of a processing device (inspection device, labeler, etc.) (not shown) in which the container 2 is supplied in a single row via the single-row conveyor 6.
  • a processing device inspection device, labeler, etc.
  • Such "capacity” is expressed by the number of containers 2 processed or transported per unit time, for example, BPM (Bottle Per Minute).
  • the conveyor that receives the container 2 from the transport device 10 and transports it to the processing device is given a transport speed that allows the required transport capacity to be achieved by the single-row container 2. Further, the transport device 10 is given a transport speed according to the number of rows of the containers 2.
  • the upstream transport unit 11 (FIGS. 1 and 2) transports the containers 2 supplied from the storage conveyor 1 via the plurality of conveyors 3 to 5 in a dense state in the first direction D1.
  • the upstream transfer unit 11 corresponds to a known conveyor device such as a chain 11A, a sprocket (not shown), and a chain conveyor provided with a motor 11B as a drive source.
  • a chain conveyor having a smaller friction with the container 2 than a belt conveyor is used.
  • the upstream transport unit 11 is provided with guides 31 and 41 for guiding the container 2 on both sides of the second direction D2, which is the width direction of the upstream transport unit 11, and an alignment guide 32.
  • the second direction D2 is orthogonal to the first direction D1.
  • the upstream transfer unit 11 may include a plurality of conveyors (parallel conveyors) running in parallel in the first direction D1. In that case, it is preferably driven in the first direction D1 at any rate equal v 0 of the parallel conveyors.
  • the containers 2 on the upstream transport unit 11 alternately upstream and downstream with respect to the virtual line L1 (FIG. 3) along the second direction D2.
  • N rows (6 rows in the example shown in FIGS. 2 and 3). That is, in the upstream transport unit 11, the containers 2 are arranged in n rows in a staggered pattern.
  • the container 2 has a circular cross section so that the container 2 is surely arranged in a staggered pattern.
  • the shape of the cross section of the container 2 does not have to be strictly circular, and it is a substantially circular shape that approximates a circular shape, for example, a polygon with a sufficiently large number of vertices (for example, 10 to 20 polygons). All you need is.
  • the space between the guides 31 and 41 is set to a dimension corresponding to the total length (nd) of the respective diameters d (FIG. 4) of the n containers 2.
  • the guide 31 far from the boundary B1 between the upstream transport portion 11 and the downstream transport portion 12 in the second direction D2 is smoothly continuous with the alignment guide 32.
  • the guide 31, the alignment guide 32, and the guides 33 and 34 described later of the downstream transport unit 12 are continuous in this order, and all of them come into contact with the container 2.
  • the guides 31 to 34 can be configured from a single member or appropriately divided into two or more members.
  • the guide member is installed at a predetermined position by the support member 30.
  • the guide 41 (opposing guide) is connected to the separation guide 43 of the downstream transport unit 12, which will be described later, at or near the boundary B1 along the first direction D1 between the upstream transport unit 11 and the downstream transport unit 12. ing.
  • the guides 41, 43, and 44 shown in FIG. 2 can also be configured from a single member or appropriately divided into two or more members.
  • the alignment guide 32 is arranged so as to be inclined in a plan view with respect to the first direction D1 on the extension of the course of the container 2 transported in the first direction D1 by the upstream transport portion 11, and the container 2 is arranged at the terminal portion 11E. By aligning them, the standard container group 20 is formed.
  • the alignment guide 32 points downstream in the first direction D1 as it approaches the boundary B1 from the upstream transport portion 11 side.
  • the containers 2 constituting the standard container group 20 are arranged in a dense state with a substantially triangular outer shape.
  • N containers 2 are arranged on each of the three sides of the triangle T.
  • One vertex T1 of the triangle T corresponds to the end point 41B of the opposing guide 41.
  • the remaining two vertices T2 and T3 of the triangle T correspond to the start point 32A and the end point 32B of the alignment guide 32, respectively. Both the end point 32B and the end point 41B are located at or near the boundary B1.
  • the containers 2 of the standard container group 20 are arranged in a row A in the first direction D1.
  • Column A is located upstream of boundary B1 in the example shown in FIG.
  • the standard container group 20 may be formed so that the row A is located on the boundary B1.
  • a dimension corresponding to the length nd is set between the start point 32A of the alignment guide 32 and the end point 41B (start point of the separation guide 43) of the opposite guide 41. Further, a dimension corresponding to the length nd is also set between the end point 32B of the alignment guide 32 and the end point 41B of the opposite guide 41.
  • the container 2 transported in the first direction D1 is guided by the alignment guide 32, and while sliding in the second direction D2 on the chain of the terminal portion 11E having a smaller friction coefficient than the belt of the belt conveyor, is always present. It is aligned in a certain shape in the alignment region (terminal portion 11E) indicated by the triangle T.
  • the containers 2 in the second and fourth rows from the lower left in FIG. 3 move in the direction of the arrow along the alignment guide 32, respectively.
  • the containers 2 in the other rows move in the same manner. Due to the disorder of the staggered arrangement of the container 2, even if there is a gap corresponding to one of the containers 2 upstream of the alignment guide 32, the containers 2 are densely arranged along the alignment guide 32.
  • a fixed container group 20 having a certain shape is formed at the terminal portion 11E.
  • the container 2 is shown separately for each row in the upstream from the terminal portion 11E and the downstream from the terminal portion 11E.
  • a dot-shaped pattern is attached to the container 2 in the upstream rows 1, 3, 5, 7, 9, and 11.
  • the containers 2 move from the upstream to the position of the row A. From the standard container group 20 maintained at the terminal portion 11E in this way, the containers 2 are transferred one row at a time, that is, n containers 2 are simultaneously transferred to the downstream transport unit 12.
  • the containers 2 in the same row are simultaneously transferred to the downstream transport unit 12 one row at a time from the standard container group 20 which is always arranged at a constant position (terminal portion 11E) in a constant shape, so that the upstream transport unit 11
  • the container 2 is evenly supplied to the downstream transport section 12 both in time and space.
  • “Equal” here means that, unlike the fact that the average supply amount per unit time is uniform, a fixed number of containers 2 are simultaneously supplied from the upstream transport section 11 to the downstream transport section 12 from a fixed position. Means that. That is, the supply amount of the container 2 from the upstream transport unit 11 to the downstream transport unit 12 does not change with time. This leads to uniform distribution of the container 2 in the downstream transport unit 12. Since all of the container rows transferred to the downstream transport unit 12 exhibit the same behavior in terms of time and space, it is possible to obtain the effect of stably reducing the number of rows of the containers 2 in the downstream transport unit 12. ..
  • the acute angle ⁇ 1 formed by the alignment guide 32 of the present embodiment with respect to the boundary B1 corresponds to 60 °. However, as long as the fixed container group 20 having a certain shape is formed, ⁇ 1 does not have to be exactly 60 °, and it is sufficient if it is approximately 60 °. ⁇ 1 may be, for example, 55 to 65 °.
  • the downstream transport unit 12 (FIGS. 1, 2, and 4) has at least a centrifugal force applying unit (FIG. 1, FIG. 2 and FIG. 4) having a support guide 34 that provides the container 2 with a curved trajectory and supports the container 2 on which the centrifugal force acts. 122) is included.
  • the downstream transport unit 12 of the present embodiment is connected in parallel to the upstream transport unit 11 and extends in series with the first conveyor 121 extending along the first direction D1 and the parallel portion 121C of the first conveyor 121. It includes a second conveyor 122 as a connected centrifugal force applying portion.
  • the parallel portion 121C and the second conveyor 122 do not necessarily have to be connected by series connection, and they may be connected with the same transport belt.
  • the downstream transport unit 12 supports the container 2 from one side of the second direction D2 by the guides 33 and 34 connected to the alignment guide 32, and utilizes the speed difference between the conveyors and the centrifugal force acting on the container 2 to support the container 2.
  • the number of rows of the container 2 is gradually reduced so that the containers are arranged in a single row along the guides 33 and 34.
  • the first conveyor 121 includes a plurality of parallel portions 121A, 121B, 121C parallel to the first direction D1.
  • Each of the parallel portions 121A, 121B, and 121C corresponds to a conveyor device including a chain, a sprocket, and a motor 121M as a drive source.
  • a speed difference is given to the parallel portion 121A, the parallel portion 121B, and the parallel portion 121C.
  • the speed at which the chain moves by the drive source of the parallel portion 121A adjacent to the upstream transport portion 11 is v A
  • the speed at which the chain moves by the drive source of the parallel portion 121 B is v B
  • the chain moves by the drive source of the parallel portion 121 C. If the velocity is v C , then v A ⁇ v B ⁇ v C.
  • the speed v A is faster than the speed v 0 of the upstream transport unit 11. Further, the speed v D of the second conveyor 122 is faster than the speed v C.
  • the first conveyor 121 is provided with an inclination guide 33 that guides the container 2 in a direction that is inclined in a plan view with respect to the first direction D1 and a separation guide 43.
  • the separation guide 43 extends in the first direction D1 at a position sufficiently distant from the boundary B1 in the second direction D2 from the portion 43A extending from the facing guide 41 in the second direction D2, and the separation guide 44 of the second conveyor 122. It is provided with a portion 43B connected to the above.
  • the separation guides 43 and 44 prevent the container 2 from colliding with the other container 2 and the guides 33 and 34 on the opposite side and jumping out of the conveyor. Basically, the container 2 does not come into contact with the separation guides 43 and 44.
  • the separation guides 43 and 44 may be provided in the downstream transport unit 12 as needed.
  • the tilt guide 33 is tilted in the same direction as the alignment guide 32, that is, in a direction toward the downstream in the transport direction (D1) as it approaches the boundary B1 from the upstream transport portion 11 side.
  • the angle ⁇ 2 (FIG. 2) which is an acute angle formed by the tilt guide 33 with respect to the first direction D1 is smaller than the angle ⁇ 1 (FIG. 3) of the alignment guide 32.
  • the containers 2 sequentially transferred from the standard container group 20 in the second direction D2 one by one while substantially maintaining the shape of the row. It is guided by the inclination guide 33. Therefore, a plurality of containers 2 are arranged in a direction orthogonal to the inclination guide 33. At this time, for example, the number of rows of the containers 2 when the containers 2 arranged in a staggered manner in the orthogonal direction from the inclination guide 33 at the position shown by P1 in FIG. 3 is counted is 3.
  • FIG. 4 Taking the behavior of the container 2-1 and the like schematically shown in FIG. 4 as an example, the principle of reducing the number of rows of the container 2 by the speed difference of the parallel portions 121A and 121B and the inclination guide 33 will be described. The same applies to the parallel portions 121B and 121C.
  • a dot-shaped pattern is attached to the container 2-1 and the behavior of the container 2-1 is indicated by a solid arrow.
  • the container 2-1 While being supported by the tilt guide 33, the container 2-1 slides in the second direction D2 on the chain of the parallel portion 121A having a smaller friction coefficient than the belt of the belt conveyor, and from the parallel portion 121A, the parallel portion having a higher speed. Transfer to 121B.
  • the container 2-3 and the like separated from the inclined guide 33 are also pushed by the subsequent container 2 and transferred from the parallel portion 121A to the parallel portion 121B.
  • Containers 2-1 possessed parallel portion 121B continues being supported by the inclined guide 33, while sliding on the chain of the parallel portion 121B in the second direction D2, the moving speed to follow the velocity v B of the parallel portion 121B Will increase. Then, a gap S1 is created between the container 2-1 and the subsequent container 2-2 supported by the inclination guide 33.
  • another container 2-4 which is pushed by the subsequent container 2-3 or the like or is individually conveyed in the first direction D1 by the parallel portion 121B, enters the gap S1 (see the broken line arrow). In the example shown in 4, the number of columns is reduced from 2 to 1.
  • the coefficient of friction of the chain of the parallel portions 121A, 121B, 121C is preferably 0.08 to 0.15, for example. The same applies to the friction coefficient of the chain of the terminal portion 11E of the upstream transport portion 11 described above.
  • ⁇ 2 (FIG. 2) is provided to the tilt guide 33.
  • the angle ⁇ 2 of the tilt guide 33 is increased, the row-reducing action can be expected to be strengthened by pushing the container 2 transported in the first direction D1 between the containers 2, but the tilt guide 33 acts as a resistance to the container 2 and the container 2 becomes a resistance. Decelerates, making it difficult to achieve the required transport speed.
  • the angle ⁇ 2 does not necessarily have to be constant over the entire tilt guide 33. In order to smoothly connect the inclined guide 33 with the support guide 34, the angle ⁇ 2 is reduced in the vicinity of the support guide 34.
  • each container 2 on the first conveyor 121 is complicatedly distributed in both the first direction D1 and the second direction D2 due to the contact between the containers 2 and the contact between the container 2 and the inclination guide 33. doing. Even after the transfer from the parallel portion 121A to the parallel portion 121B, or after the transfer from the parallel portion 121B to the parallel portion 121C, each container 2 is guided along the inclination guide 33 and in the direction along the inclination guide 33. It is arranged up to a specified number of rows, preferably no more than two rows, over a continuous range. "Two rows or less" corresponds to, for example, 0.8 to 2.0 rows.
  • Each of the parallel portions 121A, 121B, and 121C may be composed of a plurality of conveyor elements parallel to the first direction D1. In that case, it does not matter whether each conveyor element is driven to the same speed or the transport speed of each conveyor element is set so that the speed gradually increases as the distance from the boundary B1 increases. In the latter case, the transfer speed can be increased stepwise each time the container 2 transferred to the conveyor element adjacent to the upstream transfer unit 11 is guided by the inclination guide 33 and transfers between the conveyor elements. Therefore, by suppressing the speed difference between the conveyor elements as compared with the difference between v A and v B , the speed of the container 2 can be smoothly increased while stabilizing the posture of the container 2.
  • the length and the number of parallels in the first direction D1 of the first conveyor 121 can be appropriately determined in consideration of the row reduction action and the space required for installing the first conveyor 121. For example, if the length of the first conveyor 121 is extended in the first direction D1, it is expected that the chances of another container 2 entering between the containers 2 supported by the inclination guide 33 will increase while moving in a long section. The space required for installing the first conveyor 121 is increased.
  • the container 2 transferred to the first conveyor 121 by evenly transferring the container 2 from the standard container group 20 on the upstream transport unit 11 to the first conveyor 121 of the downstream transport unit 12. All of the above show stable behavior, and the stable behavior of the container 2 is inherited from the first conveyor 121 to the second conveyor 122.
  • the second conveyor 122 includes a curved chain 122A in a plan view, a sprocket and a motor (not shown), and gives a curved track (curved track) to the container 2 on the chain 122A.
  • the curved orbit of the present embodiment is formed in an arc shape, but the present invention is not limited to this.
  • the chain 122A is provided with a horizontal transport surface that supports the container 2 or a slope that descends from the inner peripheral side to the outer peripheral side.
  • the second conveyor 122 is provided with a support guide 34 that supports the container 2.
  • the support guide 34 is curved following the chain 122A, and supports the container 2 from the outer peripheral side of the chain 122A.
  • Centrifugal force continuously acts on the container 2 while being conveyed on the curved track of the second conveyor 122, so that the containers 2 in a state of being arranged in a plurality of rows counting in the orthogonal direction from the support guide 34 become the curved track. Even if they are continuously introduced, the containers 2 are lined up in a single row by at least reaching the end point 122E of the curved track of the second conveyor 122, and are transferred to the single row conveyor 6 further downstream. According to the fact that the containers 2 are lined up at the starting point 122S of the curved orbit with the upper limit of 2.0 rows, the container 2 is more reliably used as compared with the case where the containers 2 having more than 2.0 rows are introduced into the curved orbit. Can be lined up.
  • the radius of curvature R and the circumference L of the second conveyor 122 are taken into consideration in order to appropriately apply a centrifugal force to the container 2 to reduce the number of rows and to take into consideration the space required for installing the second conveyor 122. Is set appropriately. For an object with mass m moving in a curved orbit at a velocity v, assuming that the radius of curvature of the curved orbit is R, a centrifugal force having a magnitude of (mv 2 / R) in a non-inertial frame moving with the object. works. If the radius of curvature R is too small, the centrifugal force is too large and the container 2 is excessively pressed against the support guide 34. It is advisable to appropriately determine the radius of curvature R so that the phenomenon that the container 2 slips and rotates does not occur.
  • the second conveyor 122 has a peripheral length L corresponding to a central angle of 90 °. Unlike the present embodiment, the peripheral length of the second conveyor 122 may correspond to a central angle of 45 ° or 180 °.
  • the centrifugal force causes disturbance.
  • it is stable and the number of rows of the container 2 can be reduced more reliably than the row reduction treatment by the first conveyor 121.
  • the alignment guide 32 evenly transfers the containers 2 from the standard container group 20 that always holds a constant shape to the terminal portion 11E of the upstream transfer unit 11 to the downstream transfer unit 12 in a row.
  • the container 2 can be made into a single row by performing the step and the step of reducing the number of rows of the container 2 by the downstream transport unit 12.
  • the downstream transport unit 12 As described above, by evenly transferring the container 2 from the standard container group 20 to the downstream transport section 12, the behavior of the container 2 in the downstream transport section 12 is stabilized against disturbance, and as a result, the downstream The row reduction process in the transport unit 12 can be stably performed.
  • the transport device 10 of the present embodiment is vulnerable to disturbance especially when the capacity is high, and the required transport capacity cannot be realized if the angle ⁇ 2 of the tilt guide 33 is increased only by the processing of reducing the number of rows by the first conveyor 121. Is overcome by installing the alignment guide 32 and utilizing the centrifugal force, and it is possible to stably and surely perform the row reduction process.
  • the transport device 7 shown in FIG. 5 includes an upstream transport unit 11, a downstream transport unit 22, and an alignment guide 32.
  • the configuration of the transport device 7 is such that the downstream transport unit 12 of the transport device 10 of the above embodiment is replaced with the downstream transport unit 22.
  • the downstream conveyor 22 includes a first conveyor 221 and a second conveyor 222 that are connected in parallel and exhibit a curved shape as a whole.
  • the first conveyor 221 is connected in parallel to the upstream conveyor 11, and the second conveyor 222 is connected in series to the first conveyor 221.
  • the first conveyor 221 and the second conveyor 222 do not necessarily have to be connected by series connection, and they may be connected with the same transfer belt. It is also permissible to insert a transfer plate in the gap between the upstream conveyor 11 and the first conveyor 221.
  • a continuous curved orbit is provided to the container 2 by the first conveyor 221 and the second conveyor 222.
  • the second conveyor 122 of the downstream transport unit 12 corresponds to the centrifugal force applying unit, whereas in this modified example, both the first conveyor 221 and the second conveyor 222 correspond to the centrifugal force applying unit. do.
  • a support guide 35 for supporting the container 2 on which centrifugal force acts and a separation guide 45 are provided.
  • the support guide 35 is curved following the arcuate shape of the first conveyor 221 and the second conveyor 222, and supports the container 2 from the outer peripheral side.
  • the separation guide 45 is also curved following the arcuate shape of the first conveyor 221 and the second conveyor 222.
  • the speed v 2 of the second conveyor 222 is faster than the speed v 1 of the first conveyor 221. Speeds v 1 , v 2 so that an appropriate centrifugal force acts on the container 2 in each of the first conveyor 221 and the second conveyor 222, and also in consideration of the space required for installing the conveyor, the transport path, and the like. And, the radius of curvature and the circumference of each of the first conveyor 221 and the second conveyor 222 are appropriately set. The radius of curvature of the first conveyor 221 and the radius of curvature of the second conveyor 222 may be different, or the circumference of the first conveyor 221 and the circumference of the second conveyor 222 may be different.
  • the relatively low-speed first conveyor 221 is responsible for the row reduction process in the previous stage instead of the first conveyor 121 in the above embodiment, and the relatively high speed second conveyor 222 is responsible for the row reduction process in the subsequent stage. As a result, the container 2 is finally made into a single row.
  • the relatively low-speed first conveyor 221 in the example shown in FIG.
  • the number of rows of the containers 2 arranged in approximately four rows in a staggered manner at the upstream end (221A) of the first conveyor 221 is reduced to, for example, two rows or less.
  • the relatively high-speed second conveyor 222 by applying a larger centrifugal force to the container 2, for example, the remaining row reduction process of arranging the containers 2 in a single row from a state of two rows or less is performed.
  • the number of rows is efficiently reduced, and the process of singularizing the containers is surely completed. Can be done.
  • the first conveyor 221 is configured to include two or more parallel portions to which a speed difference is given as in the first conveyor 121 of the above embodiment, the container 2 due to the transfer between the parallel portions It is preferable because the increase in the moving speed also has the effect of allowing another container 2 to enter the gap between the containers 2.
  • the second conveyor 222 and the second conveyor 122 of the above embodiment are configured to include two or more parallel portions to which a speed difference is given as in the first conveyor 121 of the above embodiment.
  • the number of rows of the containers 2 transported by the upstream transport unit 11 may be increased or decreased with respect to n rows upstream of the alignment guide 32. In that case, a standard container group 20 in which m containers 2 are arranged on one side is formed.
  • the transport device 10 and the transport method of the present disclosure can be applied not only to containers for beverages, foods and pharmaceuticals, but also to articles other than containers.
  • the article is preferably a disk, cylinder, cylinder, or a shape similar thereto.
  • the second conveyor 122 of the above embodiment, or the first conveyor 221 and the second conveyor 222 of the above modification, can be replaced with a turntable that is rotationally driven around an axis. Centrifugal force is applied to the articles on the turntable by the rotation of the turntable, so that between the containers 2 supported by the support guide provided on the turntable, as in the case of using the curved conveyors 122, 221, 222. The other container 2 can be pushed into the container 2 by centrifugal force to form a single line.
  • the transport device and the transport method described above are grasped as follows.
  • the transport device 10 is connected in parallel to the upstream transport unit 11 that transports the articles (2) in a predetermined transport direction (D1) in a dense state, and is connected in parallel to the upstream transport unit 11 from the upstream transport unit 11.
  • the downstream transport unit 12 (or 22) to which the article (2) is transferred is inclined in a plan view with respect to the transport direction (D1), and is along the transport direction (D1) of the upstream transport unit 11 and the downstream transport unit 12.
  • An alignment guide unit (32) that points downstream in the transport direction (D1) as it approaches the boundary B1 from the upstream transport unit 11 side is provided.
  • the alignment guide unit (32) forms a fixed container group 20 composed of a plurality of articles (2) arranged in a certain shape at the end portion 11E of the orbit of the article (2) in the upstream transport unit 11.
  • the downstream transport section 12 (or 22) includes a centrifugal force imparting section (122) that imparts a curved trajectory to the article (2).
  • the downstream transport unit 12 is connected in parallel to the upstream transport unit 11 and serves as a centrifugal force applying unit connected to the first conveyor 121 and the first conveyor 121 extending in the direction along the transport direction (D1). Second conveyor 122 and.
  • the first conveyor 121 is parallel to the transport direction (D1), and has a plurality of parallel portions 121A, 121B, 121C to which a speed difference is given, and an article (2) in a direction inclined in a plan view with respect to the transport direction (D1). ) Is provided with an inclined guide portion (33).
  • the downstream transport unit 22 includes a first conveyor 221 connected in parallel to the upstream transport unit 11 and a second conveyor 222 connected to the first conveyor 221. Both the first conveyor 221 and the second conveyor 222 correspond to the centrifugal force applying portion. The speed of the second conveyor 222 is faster than the speed of the first conveyor 221.
  • the articles (2) of the standard article group (20) are arranged in a substantially triangular (T) outer shape.
  • One vertex (T3) of the triangular shape (T) corresponds to the end point 41B of the guide portion (41) facing the alignment guide portion (32), and the remaining two vertices (T1, T2) of the triangular shape correspond to each other. Corresponds to the start point 32A and the end point 32B of the alignment guide unit (32), respectively.
  • Articles (2) arranged in two or less rows are transferred from the first conveyor 121 (or 221) to the second conveyor 122 (or 222).
  • the acute angle ⁇ 1 formed by the alignment guide portion (32) with respect to the boundary B1 corresponds to 60 ° or approximately 60 °.
  • Articles (2) transported in a predetermined transport direction (D1) in a dense state are transferred from the upstream transport section 11 to the downstream transport section 12 (or 22) connected in parallel to the upstream transport section 11.
  • the transport method of transporting the article (2) while reducing the number of rows of the article (2) is an alignment inclined in a plan view with respect to the transport direction (D1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
PCT/JP2021/004235 2020-02-20 2021-02-05 搬送装置および搬送方法 WO2021166675A1 (ja)

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JP2020-027125 2020-02-20

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178028A1 (en) * 1984-10-08 1986-04-16 Speciaal-Machinefabriek J.H. van Uitert B.V. In-line apparatus for containers, such as bottles and the like
JPH03143823A (ja) * 1989-10-31 1991-06-19 Mitsubishi Heavy Ind Ltd 容器のコンベヤ装置
JPH10258927A (ja) * 1997-03-17 1998-09-29 Fuji Seal Co Ltd 容器の搬送方法及びその装置
JP2016124632A (ja) * 2014-12-26 2016-07-11 三菱重工食品包装機械株式会社 容器集合装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4006285B2 (ja) * 2002-07-25 2007-11-14 三菱重工食品包装機械株式会社 容器搬送装置
JP4006288B2 (ja) * 2002-07-26 2007-11-14 三菱重工食品包装機械株式会社 容器搬送装置
JP5713802B2 (ja) * 2011-06-02 2015-05-07 三菱重工食品包装機械株式会社 容器集合装置
JP6256826B2 (ja) * 2013-09-02 2018-01-10 三菱重工機械システム株式会社 容器単列化装置
JP2016050094A (ja) 2014-09-01 2016-04-11 三菱マテリアルテクノ株式会社 搬送装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178028A1 (en) * 1984-10-08 1986-04-16 Speciaal-Machinefabriek J.H. van Uitert B.V. In-line apparatus for containers, such as bottles and the like
JPH03143823A (ja) * 1989-10-31 1991-06-19 Mitsubishi Heavy Ind Ltd 容器のコンベヤ装置
JPH10258927A (ja) * 1997-03-17 1998-09-29 Fuji Seal Co Ltd 容器の搬送方法及びその装置
JP2016124632A (ja) * 2014-12-26 2016-07-11 三菱重工食品包装機械株式会社 容器集合装置

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JP7368267B2 (ja) 2023-10-24
JP2021130551A (ja) 2021-09-09
TWI784416B (zh) 2022-11-21
TW202132186A (zh) 2021-09-01

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