JP2018177486A - Tire feed system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tire feed system capable of shortening the changeover time for a transport route over which a tire received in a pallet is fed.SOLUTION: A tire feed system 100 is for conveying a tire T by means of a round pallet PL. The tire feed system 100 comprises a first conveyor 1 and a second conveyor 2. The first conveyor 1 is capable of feeding a round pallet PL in a first direction D1. The second conveyor 2 has an exit O1 connected to a first position P1 of the first conveyor 1 and can convey the round pallet PL in a second direction D2 different from the first direction D1 toward the exit O1. In the tire feed system 100, the round pallet PL fed to the exit O1 by the second conveyor 2 is made enter the first conveyor 1 by driving the second conveyor 2 in the state of driving the first conveyor 1.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a tire conveyance system for storing and conveying tires on a pallet.

  DESCRIPTION OF RELATED ART Conventionally, the conveyance system (henceforth, tire conveyance system) for conveying a tire is known. In such a tire conveyance system, for example, the tire is transferred to the pallet by the transfer device (Patent Document 1) for transferring the tire in a state where the inner diameter of the tire is supported by the hook, and then the tire is mounted. The pallet is transported to the desired location.

  Generally, a plurality of conveyors are provided to form a desired transport path for transporting the pallets. At a point where a plurality of conveyors branch or join, an apparatus is arranged to switch the pallet conveyance path by delivering pallets conveyed from one conveyor to another conveyor.

Patent No. 5082437

In a tire transfer system for transferring a tire, an apparatus or mechanism for switching a transfer path is provided because a pallet for storing the tire is a square (square) and its direction change (rotation) is difficult.
However, it takes time to switch the transport path using the above-described apparatus or mechanism. For example, when a turn roller type turntable is used for path switching, the pallet transported from one conveyor is placed on the turntable, and the pallet is rotated to another conveyor by rotating the turntable. After that, the process of delivering the pallet to another conveyor is required.
If it takes time to switch the transport path, the time to transport the pallet to the predetermined position becomes long, and as a result, the transport efficiency of the pallet is reduced.

  An object of the present invention is to shorten the switching time of a conveyance path in a tire conveyance system in which tires are stored in a pallet and conveyed.

Below, a plurality of modes are explained as a means to solve a subject. These aspects can be arbitrarily combined as needed.
The seemingly-grounded tire conveyance system of the present invention conveys tires on a round pallet. The tire transfer system comprises a first conveyor and a second conveyor. The first conveyor can transport the round pallet in a first direction. The second conveyor has an outlet connected to the first position of the first conveyor, and can convey the round pallet from the second direction different from the first direction to the outlet.
In the tire conveyance system, by driving the second conveyor while driving the first conveyor, the round pallets conveyed to the outlet by the second conveyor are joined to the first conveyor.

In the above-described tire conveyance system, the tire is conveyed by a round pallet. Therefore, even if the round pallets transported by the second conveyor are joined to the first conveyor while the first conveyor and the second conveyor are simultaneously driven, the round pallets are joined by the conveyors. At the point, it can be smoothly rotated so as to change the moving direction from the second direction to the first direction.
As a result, in the transport of the tire, the merging time from the second conveyor to the first conveyor can be shortened to improve the transport efficiency.

The tire transfer system may further include a third conveyor and a branch mechanism. The third conveyor has an inlet connected to the second position of the first conveyor, and can convey the round pallet from the inlet in a third direction different from the first direction.
The branching mechanism is disposed in the vicinity of the second position of the first conveyor, and the side surface of the round pallet conveyed to the second position by the first conveyor with the first conveyor and the third conveyor driven together. , And branch the round pallet to the third conveyor.

Thus, when the circular pallet conveyed by the first conveyor is branched to the third conveyor, the circular pallet abuts on the branching mechanism to move the moving direction from the first direction to the third direction. You can rotate smoothly when switching.
As a result, in the transportation of the tire, the branching time from the first conveyor to the third conveyor can be shortened to improve the transportation efficiency.

The tire delivery system may further comprise a circular guide. The circular guide is a circular guide in plan view provided on the side near the outlet of the second conveyor provided with the second conveyor and on the downstream side of the first conveyor in the second conveyor. The circular guide is conveyed to the outlet at the second conveyor and abuts on the circular pallet to be joined to the first conveyor, and guides the circular pallet to the first conveyor while rotating.
Thereby, the round pallets can smoothly join from the second conveyor to the first conveyor without stagnating at the junction of the first conveyor and the second conveyor.

  The bifurcation mechanism may have a free roller which rotates when the round pallet branched from the first conveyor to the third conveyor abuts. Thereby, the round pallet can be smoothly branched from the first conveyor to the third conveyor.

The tire delivery system may further comprise an identification code detector. The identification code detector may have a first direction and / or a width direction end perpendicular to the first direction of the first conveyor and / or a width direction end perpendicular to the second direction of the second conveyor. Alternatively, they are provided at a predetermined angle with respect to the second direction.
In this case, the first conveyor and the second conveyor transport round pallets having at least three labels. Each of the at least three labels includes an identification code that indicates information for identifying the circular pallet. At least three labels are located at a position offset from the center of the conveyor provided with the identification code detector even if the round pallet being transported is rotated at any angle around the central axis of the outer peripheral surface Even if there is a circular pallet, it is provided at intervals along the outer peripheral surface of the circular pallet so that any identification code can be detected by the identification code detector.
As a result, the identification code detector can detect the identification code indicated on the label, regardless of the rotation angle of the round pallet to the moving direction during transport.

  In a tire conveyance system in which a tire is stored in a pallet and conveyed, the switching time of the conveyance path can be shortened by conveying the tire using a round pallet.

BRIEF DESCRIPTION OF THE DRAWINGS The figure which shows the structure of a tire conveyance system. Figure showing an empty round pallet. The figure which shows the round shaped pallet which accommodated the tire. The figure which shows the state which piled up several circular pallets. The figure which shows an example of the attachment state of the label to a round pallet. The figure which shows an example of a mode that an identification code detector reads the identification code provided in the circular pallet of arbitrary positions and attitude | positions.

1. First Embodiment (1) Configuration of Tire Transfer System Hereinafter, a configuration of a tire transfer system 100 according to a first embodiment will be described with reference to FIG. FIG. 1 is a diagram showing the configuration of a tire conveyance system. The tire conveyance system 100 conveys a green tire (a tire in the process of manufacturing a tire (before vulcanization)) and / or a tire of a finished product to a designated place, for example, in a tire manufacturing plant or the like. Is a system for
The tire transfer system 100 includes a first conveyor 1. The first conveyor 1 is a conveyor that conveys the round pallet PL containing the conveyed tires T in the first direction D1. The first conveyor 1 is, for example, a roller conveyor.

The tire transfer system 100 includes a second conveyor 2. The second conveyor 2 is, for example, a roller conveyor. The second conveyor 2 has an outlet O1 connected to the first conveyor 1 at a first position P1. As shown in FIG. 1, the second conveyor 2 conveys the round pallet PL from the second direction D2 perpendicular to the first direction D1 toward the outlet O1 so as to 1 Join the conveyor 1. That is, the second direction D2 which is the conveyance direction of the second conveyor 2 can be defined as the direction toward the first conveyor 1.
The second conveyor 2 is not limited to the case where the second conveyor 2 is connected perpendicularly to the conveying direction of the first conveyor 1 (first direction D1), and can be connected at any angle according to the desired conveying direction of the tire T .

The tire transfer system 100 includes a third conveyor 3. The third conveyor 3 is, for example, a roller conveyor. The third conveyor 3 has an inlet I1 connected to the first conveyor 1 at a second position P2. The third conveyor 3 conveys the round pallet PL from the inlet I1 in the third direction D3 which is perpendicular to the first direction D1 and which is opposite to the second direction D2. , The circular pallet PL is branched from the first conveyor 1. That is, the third direction D3 which is the transport direction of the third conveyor 3 can be defined as the direction away from the first conveyor 1.
In addition, the third conveyor 3 is not limited to the case of being connected perpendicularly to the first direction D1, and can be connected at any angle according to the desired conveyance direction of the tire T.

  In the example shown in FIG. 1, the inlet I1 of the third conveyor 3 is connected to the side to which the outlet O1 of the second conveyor 2 in the extension direction of the first conveyor 1 is connected. One conveyor 1 may be connected on the opposite side to the side where the outlet O1 in the extension direction is connected.

The tire transfer system 100 includes a circular guide 4. The circular guide 4 is a circular guide in plan view provided near the outlet O1 of the second conveyor 2 and on the downstream side of the first conveyor 1 in the second conveyor 2.
The circular guide 4 is rotatable at its mounting position about an axis substantially perpendicular to a plane (paper surface of FIG. 1) formed by the first direction D1 and the second direction D2. As a result, the circular guide 4 is conveyed to the outlet O1 by the second conveyor 2 and abuts on the circular pallet PL which is going to join the first conveyor 1, thereby rotating the circular pallet PL while rotating. It can be guided to the conveyor 1.

  The tire conveyance system 100 includes a branching mechanism 5. The branching mechanism 5 is, for example, a diverter disposed near the second position P2 of the first conveyor 1. The branching mechanism 5 abuts on the side surface of the round pallet PL transported to the second position P2 by the first conveyor 1 and sends out the round pallet PL to the third conveyor.

The branching mechanism 5 is rotatable around the mounting shaft 5a. Thereby, the branching mechanism 5 is housed outside the conveyance path of the first conveyor 1 so as not to impede the conveyance of the round pallet PL, or the circular pallet PL conveyed to the second position P2 abuts It can be switched so as to extend in the width direction of the transport path so as to be able to.
For example, based on the information indicated by the identification code read by the identification code detector 6 (described later), the tire T stored in the round pallet PL approaching the second position P2 is transferred to the third conveyor 3 When it is determined to bifurcate and transport, the bifurcation mechanism 5 is arranged to extend in the width direction of the transport path of the first conveyor 1. On the other hand, when it is determined that the tire T described above is to be transported in the first direction D1, the tire T is stored outside the transport path of the first conveyor 1.

  As shown in FIG. 1, the branching mechanism 5 of the present embodiment has a main body 51 and a plurality of free rollers 53. The main body 51 forms the main body of the branching mechanism 5. The plurality of free rollers 53 are attached to the main body 51 so as to be rotatable about an axis perpendicular to the longitudinal direction along the longitudinal direction of the main body 51. Thus, when the circular pallet PL abuts against the free roller 53 and moves in the length direction of the main body 51 by the drive of the first conveyor 1, the free roller 53 rotates and the circular pallet PL is moved from the first conveyor 1 It can branch to the 3rd conveyor 3 smoothly.

  The tire transfer system 100 includes a pair of identification code detectors 6. In the present embodiment, each of the pair of identification code detectors 6 has a width direction perpendicular to the first direction D1 of the first conveyor 1 in the vicinity of the second position P2 (near the inlet I1 of the first conveyor 1). The reading surface is provided at a predetermined angle with respect to the first direction D1 so that the identification code represented on any label (described later) attached to the round pallet PL can be read at the end of the Be As shown in FIG. 1, one of the pair of identification code detectors 6 is provided at one end, and the other is provided at the other end.

As will be described later, in the present embodiment, since the identification code provided on the round pallet PL is a bar code, the identification code detector 6 is, for example, a bar code reader.
In addition, when the identification code is a QR code (registered trademark), the identification code detector 6 is, for example, a QR code (registered trademark) reader or an image data acquisition device (for example, a CCD device) , And may be a combination of software for performing recognition and reading of the QR code (registered trademark) in image data.

  Note that the pair of identification code detectors 6 is not limited to the vicinity of the second position P2 (inlet I1), and may be provided at any position upstream of the second position P2 of the first conveyor 1. In addition, the pair of identification code detectors 6 is perpendicular to the second direction D2 of the second conveyor 2 on the upstream side of the outlet O1 of the second conveyor 2 and / or in the vicinity of the outlet O1 of the second conveyor 2 It may be provided at the end in the width direction. Furthermore, the pair of identification code detectors 6 may be provided at an end in the width direction perpendicular to the third direction D3 at an arbitrary position in the third direction D3 of the third conveyor 3.

The tire conveyance system 100 includes a control unit 7. The control unit 7 executes various information processing based on control of each component of the tire conveyance system 100, input data (for example, information read by the identification code detector 6), etc. This is a computer system having a RAM, a ROM, etc., a CPU, and various interfaces.
The control and information processing of the tire conveyance system 100 can be executed by the control unit 7 and may be realized by software stored in a storage device. In addition, all or part of the control and / or information processing may be realized as hardware on a SoC (System on Chip).

(2) Round-shaped pallet Next, the round-shaped pallet PL which accommodates and conveys tire T in the tire conveyance system 100 is demonstrated using FIG. 2A-FIG. 2C.
As shown in FIG. 2A, the round pallet PL is, for example, a circular member having a predetermined height made of plastic. A bowl-shaped groove G is formed on the inner diameter side of the cylindrical round pallet PL. As shown to FIG. 2B, tire T (in the example shown to FIG. 2B, a green tire) conveyed by the round pallet PL is accommodated in the inside of the mortar-shaped groove | channel G. As shown in FIG.

  The mortar-shaped groove G has a predetermined depth, and the outer diameter of the bottom portion B of the round pallet PL (the lower portion of the round pallet PL) is smaller than the inside diameter of the groove G. As a result, as shown in FIG. 2C, the plurality of round pallets PL can be stacked in the height direction with the bottom portion B stored in the groove G.

Furthermore, three labels L are provided on the outer peripheral surface OP of the round pallet PL. The label L includes an identification code for identifying the round pallet PL. In the present embodiment, the identification code included in the label L is a barcode. In addition, a code that can represent various information by a predetermined straight line and / or a figure such as QR code (registered trademark) can be used as an identification code.
When transporting an article (tire T) with a round pallet PL, an identification code included in a label L attached to the round pallet PL, and an article under transportation by the round pallet PL Information on T) is associated.

The three labels L are provided on the outer circumferential surface OP of the round pallet PL at intervals along the outer circumference of the outer circumferential surface OP. Specifically, as shown in FIG. 3, the length of the arc formed by two of the three labels L on the outer peripheral surface OP is the boundary of the area where the label L can be detected by the pair of identification code detectors 6 The intersections C1 and C2 (intersections on the first direction D1 side) between the line (detection limit line) and the outer peripheral surface OP are smaller than the length of the arc (arc on the first direction D1 side) formed on the outer peripheral surface OP Three labels L are provided on the outer circumferential surface OP at intervals.
The length of the arc on the first direction D1 side formed by the intersections C1 and C2 changes depending on whether the round pallet PL exists at the center of the first conveyor 1 or deviates from the center, etc. However, the length of the arc formed on the outer peripheral surface OP by the two labels L is set smaller than the smallest one of the lengths of the arcs formed on the outer peripheral surface OP by the intersections C1 and C2 .

  By providing the three labels L on the outer circumferential surface OP as described above, as shown in (A) to (C) of FIG. 4, the round pallet PL being transported by the first conveyor 1 is the first conveyor When it exists at a position deviated from the center of 1 ((A) in FIG. 4), when it is rotated at an arbitrary angle around the central axis of the outer peripheral surface ((B) in FIG. 4) Even when PL is present at a position shifted from the center of the first conveyor 1 and rotated at an arbitrary angle around the central axis of the outer peripheral surface ((C) in FIG. 4), a pair of identification code detectors The identification code of any of the three labels L can be detected by any of six.

  That is, no matter where in the first conveyor 1 the circular pallet PL is located or in any direction, any of the three labels L identifies either of the pair of identification code detectors 6 It falls within the detection range of the code. FIG. 4 is a view showing an example of how an identification code detector reads an identification code provided on a circular pallet of an arbitrary position and posture.

Note that the length of the arc formed on the outer peripheral surface OP by two labels L among the plurality of labels L is formed on the outer peripheral surface OP by the intersections C1 and C2 of the detection boundary line and the outer peripheral surface OP. The number of labels L attached to the round pallet PL can be any number of three or more, as long as the condition of being smaller than the minimum length of the arc is satisfied.
If the number of labels L is two or less, the length of the arc on the outer peripheral surface OP between the two labels L does not satisfy the above conditions, and depending on the position and orientation of the round pallet PL, a pair of identification codes The identification code may not be recognized by any of the detectors 6.

  Also, as long as the length of the arc in the outer peripheral surface OP between the two labels L satisfies the above condition, a plurality of labels L may be provided at equal intervals on the outer peripheral surface OP, and the distance between the two labels L Of different labels to provide a plurality of labels L.

  As described above, by providing at least three labels L at intervals along the outer circumference of the outer peripheral surface OP on the outer peripheral surface OP of the circular pallet PL, the circular pallet PL can be moved The identification code detector 6 can detect the identification code indicated by the label L regardless of whether it is shifted from the center of the conveyor 1 or rotated to any angle with respect to the movement direction.

(3) Merging Operation Next, an operation when the round pallet PL transported in the second direction D2 by the second conveyor 2 merges with the first conveyor 1 will be described.
In the state where the second conveyor 2 is driven, when the round pallet PL is transported to the outlet O1 of the second conveyor 2 and further moved in the second direction D2, a part of the round pallet PL corresponds to that of the first conveyor 1 It moves to a moving part (for example, a roller rotating in the first direction D1).

  Since the first conveyor 1 is also driven while the second conveyor 2 is in operation, a part of the round pallet PL that has reached the first conveyor 1 is pulled by the first conveyor 1 in the first direction D1. At this time, since the remaining part of the circular pallet PL has moved in the second direction D2, the circular pallet PL that is going to merge from the second conveyor 2 to the first conveyor 1 at the outlet O1 is rotated. .

In contrast to the rectangular pallets, the round pallet PL, due to its shape, during the above rotation by the merging from the second conveyor 2 to the first conveyor 1, the side surfaces of the second conveyor 2 and / or the first conveyor 1 It is difficult for them to collide with or rush out from the side of these conveyors.
That is, in the tire conveyance system 100, the round shape conveyed by the second conveyor 2 in a state where the first conveyor 1 and the second conveyor 2 are simultaneously driven by conveying the tire T by the round pallet PL. Even if the pallet PL is joined to the first conveyor 1, the round pallet PL can smoothly rotate so as to change the moving direction from the second direction D2 to the first direction D1 at the conveyor junction point. . As a result, in the transportation of the tire T, the joining time from the second conveyor 2 to the first conveyor 1 can be shortened to improve the transportation efficiency.

Further, when joining from the second conveyor 2 to the first conveyor 1, a part of the circular pallet PL is pulled by the first conveyor 1 in the first direction D 1, so the circular pallet PL is an outlet of the second conveyor 2. It tends to move to the downstream side (the first direction D1 side) of the first conveyor 1 at O1.
Therefore, by providing the circular guide 4 rotatable about the central axis at the position, the circular pallet PL which is conveyed to the outlet O1 by the second conveyor 2 and is going to join the first conveyor 1 is a circular guide Contact with 4
The circular guide 4 in contact with the round pallet PL guides the round pallet PL to the first conveyor 1 while rotating by the movement of the round pallet PL from the second conveyor 2 to the first conveyor 1. As a result, the circular guide 4 smoothly transfers the circular pallet PL from the second conveyor 2 to the first conveyor 1 without causing the circular pallet PL to stay at the junction of the first conveyor 1 and the second conveyor 2 (near the outlet O1). It can join.

(4) Branching Operation Next, an operation when the round pallet PL transported in the first direction D1 by the first conveyor 1 branches to the third conveyor 3 will be described.
First, the control unit 7 determines whether or not the round pallet PL being conveyed in the first direction D1 should be branched to the third conveyor 3. For example, it can be determined from the information indicated by the identification code read by the identification code detector 6 whether the circular pallet PL being transported in the first direction D1 is to be branched to the third conveyor 3 or not.
When it is determined that the circular pallet PL being conveyed from the first direction D1 to the second position P2 is to be branched to the third conveyor 3, the control unit 7 arranges the branching mechanism 5 on the conveyance path of the first conveyor 1 . When the round pallet PL is not branched to the third conveyor 3, the branching mechanism 5 is accommodated outside the first conveyor 1.

  When the circular pallet PL is conveyed from the first direction D1 to the second position P2 in a state where the branching mechanism 5 is disposed in the conveyance path of the first conveyor 1, the circular pallet PL abuts on the branching mechanism 5 . Since the first conveyor 1 is driven when the circular pallet PL abuts on the branching mechanism 5, the circular pallet PL abutted on the branching mechanism 5 moves in the width direction of the first conveyor 1.

  When a part of the circular pallet PL moving in the width direction of the first conveyor 1 reaches the inlet I1 while the third conveyor 3 is driven, a part of the circular pallet PL is moved by the third conveyor 3 It is pulled in the third direction D3.

Similar to the merging from the second conveyor 2 to the first conveyor 1, the round pallet PL that is about to be branched from the first conveyor 1 to the third conveyor 3 also rotates, but according to its shape, the first conveyor 1 and the first conveyor 1 In the connection position (inlet I1) with the three conveyors 3, they do not collide with the side surfaces of the first conveyor 1 and / or the third conveyor 3 or do not protrude from the side surfaces of these conveyors.
That is, when the circular pallet PL conveyed to the second position P2 by the first conveyor 1 is branched to the third conveyor 3 by conveying the tire T by the circular pallet PL, the circular pallet The PL can smoothly rotate when it abuts on the branching mechanism 5 and changes the movement direction from the first direction D1 to the third direction D3. As a result, in the transportation of the tire T, the branching time from the first conveyor 1 to the third conveyor 3 can be shortened to improve the transportation efficiency.

  Further, since the branching mechanism 5 is provided with the free roller 53 in the extension direction, the round pallet PL branched to the third conveyor 3 abuts on the branching mechanism 5 and moves in the width direction of the first conveyor 1 Then, the free roller 53 rotates about an axis perpendicular to the length direction of the main body 51. The rotation of the free roller 53 allows the round pallet PL to move smoothly in the width direction of the first conveyor 1. That is, it is possible to further shorten the branching time of the round pallet PL from the first conveyor 1 to the third conveyor 3 and to improve the transport efficiency.

2. Other Embodiments Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the invention. In particular, the embodiments and modifications described herein may be arbitrarily combined as needed.
The first to third conveyors 1 to 3 are not limited to linear conveyors, and may have any shape, such as having a curve or connecting other branching or joining conveyors.

What is conveyed by the first to third conveyors 1 to 3 is not limited to the round pallet PL storing the tire T, and is a round pallet PL storing another round pallet PL as shown in FIG. 2C. May be In this case, although the number of the stacked round pallets PL can be arbitrary, it is preferable to set a limit so as to be stable to the conveyance by the first to third conveyors 1 to 3.
Moreover, it is also possible to convey a cylindrical container or member by the first to third conveyors 1 to 3.

  The present invention can be widely applied to a tire conveyance system for storing and conveying a tire in a pallet.

100 tire conveyance system 1 first conveyor 2 second conveyor 3 third conveyor 4 circular guide 5 branch mechanism 51 main body 53 free roller 6 identification code detector 7 control unit P1 first position P2 second position D1 first direction D2 second direction Direction D3 Third direction I1 Inlet O1 Exit PL Round pallet G Groove OP Outer peripheral surface L Label T Tire

Claims (5)

A tire conveyance system for conveying a tire by a round pallet, comprising:
A first conveyor capable of conveying the round pallet in a first direction;
A second conveyor having an outlet connected to a first position of the first conveyor and capable of transporting the round pallet from the second direction different from the first direction toward the outlet;
Equipped with
By driving the second conveyor while driving the first conveyor, the round pallets conveyed to the outlet by the second conveyor are joined to the first conveyor.
Tire transport system. A third conveyor having an inlet connected to a second position of the first conveyor and capable of transporting the round pallet from the inlet in a third direction different from the first direction;
The round pallet arranged near the second position of the first conveyor and conveyed to the second position by the first conveyor in a state where the first conveyor and the third conveyor are driven together. A branch mechanism that abuts the side surface of the second pallet and branches the round pallet to the third conveyor;
The tire delivery system according to claim 1, further comprising:   The tire conveying system according to claim 2, wherein the branching mechanism has a free roller which rotates when the round pallet branched from the first conveyor to the third conveyor abuts.   It is a circular guide in plan view provided on the side near the outlet of the second conveyor on which the second conveyor is provided, and on the downstream side of the first conveyor in the second conveyor, A circular guide for guiding the round pallet to the first conveyor while rotating by being brought into contact with the round pallet which is conveyed to the outlet by the second conveyor and joins the first conveyor. The tire conveyance system according to any one of claims 1 to 3, further comprising. The end in the width direction perpendicular to the first direction of the first conveyor, and / or the end in the width direction perpendicular to the second direction of the second conveyor, the first direction and / or It further comprises an identification code detector provided at a predetermined angle with respect to the second direction,
The first conveyor and the second conveyor are
Even if the round pallet being conveyed includes an identification code indicating information for identifying the round pallet and rotates at any angle around the central axis of the outer peripheral surface, and / or the identification code is detected Even if the circular pallet is present at a position offset from the center of the conveyor on which the container is provided, the identification code detector can be spaced along the outer peripheral surface so that the identification code can be detected by the identification code detector. Conveying the round pallet having at least three labels provided;
The tire conveyance system according to any one of claims 1 to 4.

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