Search

JP-7855326-B2 - Material handling equipment

JP7855326B2JP 7855326 B2JP7855326 B2JP 7855326B2JP-7855326-B2

Inventors

  • 岡崎 祥之
  • 南 陽太
  • 東屋 千博
  • 田中 敦
  • 北浦 寛斗
  • 野村 祐裕
  • 大道 亮太

Assignees

  • 株式会社京都製作所

Dates

Publication Date
20260508
Application Date
20211018

Claims (6)

  1. An article conveying unit having conveying rails arranged along the direction of article conveying, A plurality of transport shuttles are arranged on the side of the transport rail and are movable along the transport rail, It has a transport linear motor mechanism that moves each of the multiple transport shuttles independently, The aforementioned transport shuttle is Article engagement portion, It has an article support portion positioned below the article engagement portion, The article engagement portion is, A rear pressing section is provided at the front in the transport direction and presses the rear surface of the article in the transport direction, It has a front pressing section provided at the rear in the transport direction that presses the front surface of the article in the transport direction, The article support portion is, A rear support portion is positioned in front of the rear pressing portion in the transport direction and supports the portion of the rear of the bottom surface of the article that is close to the transport rail in a direction intersecting the transport direction, It has a front support portion that is positioned behind the front pressing portion in the transport direction and supports the portion of the bottom surface of the article that is close to the transport rail in a direction that intersects the front transport direction, The front support portion of the transport shuttle, positioned in front of the transport direction of the article, supports the portion of the bottom surface of the article closest to the transport rail in a direction intersecting the transport direction, and the front pressing portion presses the front surface of the article. The rear support portion of the transport shuttle, positioned behind the transport direction of the article, supports the portion of the bottom surface of the article closest to the transport rail in a direction intersecting the transport direction, and the rear pressing portion presses the rear surface of the article, thereby holding the article . The aforementioned transport shuttle is The main body portion facing the side of the transport rail, A roller is rotatably positioned on the main body and moves by rotating on the side surface of the transport rail, It has an article holding portion that extends upward from the main body portion and has the article support portion and the article engagement portion, The main body has a first surface and a second surface which are end faces in a direction intersecting the conveying direction, The article transport unit is, A first transport route is formed by connecting the aforementioned transport rails in a ring shape, Branching off from the branching point of the first transport route, A second transport route is formed in a U-shape, branching off from the branching point of the first transport route, turning back, and then rejoining the first transport route at a different merging point than the branching point. The second transport route is, A branching rail that branches off at the aforementioned branching point, The merging rails that merge at the aforementioned merging point, It has a return rail positioned between the branching rail and the merging rail, At least the branch rail and the merging rail of the second transport route have sides positioned on the inside of the U-shaped second transport route that face the second surface of the main body of the transport shuttle. A portion of the branch rail on the upstream side in the transport direction and a portion of the merging rail on the downstream side in the transport direction are arranged side by side outside the first transport route. The aforementioned transport shuttle is When moving in contact with the first transport route, the first surface faces the outer side surface of the transport rail, and the roller is able to move in the transport direction while in contact with the outer side surface of the transport rail. An article conveying device that, when moving in contact with the branch rail or merging rail of the second conveying route, has the second surface facing the side of the branch rail or merging rail that faces the outer side of the conveying rail, and the roller is in contact with the side of the branch rail or merging rail that faces the outer side of the conveying rail, and is capable of moving in the conveying direction .
  2. Multiple transport shuttles can be arranged in a line in the transport direction to transport multiple articles together. The front support portion of the leading transport shuttle in the transport direction supports at least a portion of the front of the bottom surface of the leading article, and the front pressing portion presses the front of the leading article. The rear support portion of the last transport shuttle in the transport direction supports at least a portion of the rear of the bottom surface of the last article, and the rear pressing portion presses against the rear surface of the last article. The article conveying device according to claim 1, wherein the front support portion of the conveying shuttle in the intermediate part in the conveying direction supports at least a portion of the front of the bottom surface of the article immediately following it, the front pressing portion presses the front of the article immediately following it, the rear support portion supports at least a portion of the rear of the bottom surface of the article immediately following it, and the rear pressing portion presses the rear of the article immediately following it .
  3. Among the multiple transport shuttles arranged in the transport direction, the front support portion of the leading transport shuttle supports at least a portion of the front of the bottom surface of the leading article and the front pressing portion presses the front of the leading article; the rear support portion of the last transport shuttle supports at least a portion of the rear of the bottom surface of the last article and the rear pressing portion presses the rear of the last article; the front support portion of the intermediate transport shuttle supports at least a portion of the front of the bottom surface of the article immediately following it and the front pressing portion presses the front of the article immediately following it; the rear support portion supports at least a portion of the rear of the bottom surface of the article immediately preceding it and the rear pressing portion presses the rear of the article immediately preceding it, thereby enabling the multiple transport shuttles to accumulate and transport multiple articles in the transport direction. The second transport route begins from the aforementioned branching point and includes an aggregation area where multiple items are lined up and accumulated in the transport direction. In the aggregation region, a support rail is provided that extends along the branch rail and supports a portion of the bottom surface of the article that is different from the article support portion. The article transport device according to claim 1, wherein at the branching point, the transport linear motor mechanism causes a plurality of transport shuttles holding the leading article after accumulation to enter the second transport route, and when the accumulation area includes transport shuttles holding articles that have not yet been accumulated, the branching point moves the leading transport shuttle to the first transport route and moves the remaining transport shuttles to the second transport route .
  4. The article transport device according to claim 3 , wherein the transport linear motor mechanism decelerates the transport shuttle that has not yet completed the accumulation, or accelerates the transport shuttle that has moved from the branching point to the second transport route.
  5. The article conveying device according to any one of claims 1 to 4 , wherein the conveying shuttles stop in order from the last conveying shuttle in the conveying direction to the forward conveying shuttles.
  6. The aforementioned transport linear motor mechanism is Multiple coils arranged on the aforementioned transport rail, The article conveying device according to any one of claims 1 to 5 , further comprising a magnet arranged on the conveying shuttle.

Description

This invention relates to an article conveying device for transporting articles. Japanese Patent Publication No. 2015-525176 discloses a linear conveying device using a linear motor as a device for conveying articles. This linear conveying device includes a stator of a linear motor with electromagnets and a conveying member equipped with permanent magnets. The electromagnets and permanent magnets form a linear motor system. The conveying member has holders or corresponding holders, and the product is conveyed by gripping it between holders and corresponding holders aligned in the conveying direction, and then moving the conveying member. Special table 2015-525176 publication This is a schematic layout diagram of an article processing device.This is a functional block diagram of an item processing device.This is an external view showing a transport shuttle holding an item and a standalone transport shuttle moving along a straight rail.This is a plan view of the transport shuttle shown in the figure.This is a view of the transport shuttle from the rear in the direction of transport.The diagram shows a view of the transport shuttle moving along the branch rail of the second transport route, seen from the rear in the transport direction.This is a plan view showing a transport shuttle carrying goods moving along the first curved rail.This is an external view of a situation where multiple items are being transported by multiple transport shuttles.This is a magnified view of the branching point.This diagram shows the transport status of the transport shuttle at the branching point, viewed from the rear in the transport direction.This is a plan view showing the branching point at the start of aggregation.This is a plan view of the transport shuttle and goods after the consolidation is complete.This is a front view from the outside of the transport shuttle and goods after the consolidation is complete.This is a front view of the transport shuttle as seen from the outside, when the separation of items has begun.This is a front view of the transport shuttle from the outside, after the separation of items from the transport shuttle is complete. Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, the direction is defined with reference to the article processing device A shown in Figure 1. In the article conveying section 10 of the article conveying device 100, which will be described later, the clockwise direction is defined as the direction of movement of the conveying shuttle 14, i.e., the conveying direction Tr. Furthermore, the outer side Os and inner side Is are defined with reference to the loop of the first conveying route 11. In addition, the front and rear sides are defined as follows in the direction of movement of the article Pc, conveying shuttle 14, box conveying shuttle 702, and box body Bx: The side that will reach the future relative to the current position is defined as the front side. Conversely, the side that was located in the past relative to the current position is defined as the rear side. Furthermore, in the article Pc, each surface is defined with reference to the state in which it is being conveyed by the article conveying section 10 of the article conveying device 100. That is, the front surface Pcf is the front surface in the conveying direction Tr, the rear surface Pcr is the rear surface, the outer surface PcO is the outer surface, and the inner surface PcI is the inner surface. Furthermore, the bottom surface of item Pc is defined as the bottom surface Pct. <Artifact Processing Device A> Figure 1 is a schematic layout diagram of the article processing device A. The article processing device A transports articles (also called transported items) Pc, which are roughly rectangular in shape, formed from, for example, paper, and filled with a liquid. While transporting the articles, the device inspects the exterior and other parts. Then, while transporting the articles Pc that have passed the inspection, the device attaches exterior components such as straws. After that, the articles Pc are collected in predetermined numbers and stored in a box. Finally, the box Bx containing the articles Pc is transported to the outside. The article processing device A comprises an article conveying device 100, an article delivery device 200, an exterior member attachment device 300, an article retrieval device 400, an article storage device 500, a box supply device 600, an article packaging device 700, and a control device 800. <Control device 800> The details of the control device 800 will now be explained. Figure 2 is a functional block diagram of the item processing device A. As shown in Figure 2, the control device 800 has a processing circuit 801 and a storage circuit 802. The processing circuit 801 is a circuit that processes various types of information and has arithmetic circuits such as a CPU and an MPU. The processing circuit 801 is also co