JP2017065912A - Article storage system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve high efficiency and save space of an article storage system capable of destacking containers.SOLUTION: An article storage system 100 includes: a first arrangement section 111 in which containers 200 in a nesting state are arranged; a first holding device 121 for holding a plurality of containers 200; a first lifting device 131 in which a first support member is lowered from an upper position where the container 200 at the lowermost stage can be held to a lower position; a first control section 141 which causes the first holding device 121 to release the holding of the plurality of containers 200 when the first support member is arranged at the upper position and causes the first holding device to hold the containers 200 when the first support member is lowered by a prescribed distance; and an article storage section 105 for storing an article 300 in the container 200.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an article storage system that stacks containers stacked in a nesting state, transfers articles into containers that are individually conveyed, and unloads containers that store articles.

  In the present specification and claims, the “nesting state” means a state where the upper container is fitted to the lower container and overlapped vertically, and the “stacking state” means the lower stage. This means that the upper container is not fitted to the upper container and the upper end of the lower container is in contact with the lower end of the upper container and overlapped vertically.

  For example, like the container described in Patent Document 1, after removing the upper container stacked in a nesting state on the lower container, the container is rotated by a predetermined angle with respect to the lower container about the vertical axis. Thus, there is a container that can stack the upper container in a stacking state.

  Such a container may be used in a process center that packs and divides meat and seafood. In this process center, two upper and lower transfer lines are provided, and a container in a nesting state is transferred through the upper transfer line, and a container in a nesting state is separated from the upper transfer line and lowered onto a processing table. Align the container one by one, transfer goods such as meat and marine products packed in the container, stack the containers containing the articles in a stacking state, and then pay them out to the lower conveyance line Work is being done.

JP 2002-46743 A

  However, in the process center, the work of spreading the nesting containers is currently performed manually, which is a heavy labor for the worker.

  The present invention has been made in view of the above-described problems, and can be used for a storage operation in which articles are stored in a single container automatically when the containers stacked in a nesting state are lowered. The purpose is to provide an article storage system.

  In order to achieve the above object, an article storage system according to the present invention is an article storage system for storing an article in a loaded container and unloading the container in which the article is stored, and stacked in a nesting state. Holds a first placement portion in which a plurality of containers are placed, a first holding device that collectively holds the plurality of containers placed in the first placement portion, and a lowermost container held by the first holding device When the first support member rises to a possible upper position and the first support member holding the container descends to the lower position, and when the first support member is disposed at the upper position, When the first support device holding the plurality of containers is lowered by a predetermined distance by causing the first holding device to release the holding of the plurality of containers, the first support member of the plurality of containers is directly One or more containers not held A first control unit for holding the first holding device, characterized in that it comprises an article storage portion for storing an article to transport containers from the lower position.

  As a result, a plurality of containers stacked in a nesting state can be lowered using a lifting device capable of lowering the containers while the containers are lowered, and the nesting state can be lowered. It is possible to reduce the burden on the operator when separating the containers.

  Further, in the second arrangement part in which a plurality of containers stacked in a stacking state are arranged, a second holding device that collectively holds the plurality of containers arranged in the second arrangement part, and the article storage part The second support member descends to a lower position where the second support member can hold the container in which the article is stored, and the container held by the second support member is held at a position where the second holding device can hold the container. A second lifting device for raising the second support member to a certain upper position and the second support member holding the container are raised, and the second support member is disposed at a position below a predetermined distance from the upper position. A plurality of containers when the second holding device releases the container and stacks the containers in a stacking state and raises the second support member holding the stacking container to an upper position. Summarize the above A, and a second control unit for holding the retaining device.

  According to this, since containers containing articles can be automatically stacked and dispensed in a stacking state, the burden on the operator can be further reduced.

  Further, the container can take a nesting state and a stacking state by rotating a predetermined first angle about the vertical axis, and the orientation of the stacked containers is the first angle around the vertical axis. A turntable that can be rotated may be further provided.

  The container can take a nesting state and a stacking state by rotating a predetermined second angle about the vertical axis, and the first holding device moves around the vertical axis while holding the container. It may be capable of rotating at the second angle.

  According to these, since the container automatically rotates so that it can be stacked in the stacking state, the burden on the operator can be further reduced.

  The apparatus further comprises an upper conveyance line for conveying containers stacked in a nesting state, and a lower conveyance line arranged below the upper conveyance line and for conveying containers stacked in a stacking state, The first placement unit may be connected to the upper transport line, and the article storage unit may be connected to the lower transport line.

  According to this, the container in the nesting state and the container in the stacking state can be conveyed in two upper and lower stages, and the space for the article storage system and its peripheral equipment can be saved.

  In addition, the article storage unit may include a transfer device that picks an article supplied from the article transport line and transfers the article into the container.

  Moreover, the said transfer apparatus is a parallel mechanism robot provided with the turning axis | shaft, and may transfer in the container, aligning the direction of the articles | goods supplied to the said article conveyance line unaligned.

  According to this, it is possible to dispose the containers in a nesting state while lowering them without relying on human hands, and to transfer articles in the same direction to the loose containers.

  Moreover, you may further provide the labeler which affixes a label on the side surface of the container rotated around the vertical axis.

  According to this, when the containers are stacked in a stacking state, a label can be attached to the same surface of the container, and the listability of the label can be improved.

  In addition, implementing the program for making a computer perform each process which the said article | item accommodation system contains also corresponds to implementation of this invention. Of course, implementing the recording medium in which the program is recorded also corresponds to the implementation of the present invention.

  According to the present invention, the burden on the operator can be reduced.

FIG. 1 is a perspective view schematically showing the entire article storage system. FIG. 2 is a side view showing the first holding device and the first lifting device. FIG. 3 is a block diagram showing the functional part of the article storage system together with the mechanism part. FIG. 4 is a diagram illustrating operations of the first holding device and the first lifting device under the control of the first control unit. FIG. 5 is a side view showing the second holding device and the second lifting device. FIG. 6 is a diagram illustrating operations of the second holding device and the second lifting device under the control of the second control unit. FIG. 7 is a perspective view schematically showing the entire other article accommodation system. FIG. 8 is a perspective view schematically showing the entire other article storage system. FIG. 9 is a perspective view schematically showing the entire other article storage system. FIG. 10 is a side view showing the first holding device, the second holding device, and the lifting device.

  Next, an embodiment of an article accommodation system according to the present invention will be described with reference to the drawings. The following embodiment is merely an example of the article storage system according to the present invention. Accordingly, the scope of the present invention is defined by the wording of the claims with reference to the following embodiments, and is not limited to the following embodiments. Therefore, among the constituent elements in the following embodiments, constituent elements that are not described in the independent claims indicating the highest concept of the present invention are not necessarily required to achieve the object of the present invention. It will be described as constituting a preferred form.

  Also, the drawings are schematic diagrams in which emphasis, omission, and ratio adjustment are performed as appropriate to show the present invention, and may differ from actual shapes, positional relationships, and ratios.

(Embodiment 1)
FIG. 1 is a perspective view schematically showing the entire article storage system.

  First, the container 200 and the article 300 that are processing targets of the article accommodation system 100 will be described.

  The container 200 is a box-shaped member that can accommodate a plurality of articles 300 such as a meat pack. In the case of the present embodiment, the container 200 is rotated by a predetermined first angle about the vertical axis, so that the nesting state in which the containers 200 lined up and down are stacked and the accommodated article 300 is stored. It is possible to take a stacking state in which the containers 200 lined up and down are stacked so as not to interfere with each other. In FIG. 1, the container 200 is schematically shown as a simple rectangle for simplification, but the bottom of the container 200 is smaller than the top opening so that the containers 200 having the same shape can be nested. Thus, the side wall is tapered.

  In the case of the present embodiment, the container 200 has a relatively shallow rectangular parallelepiped tray shape. After two adjacent containers 200 stacked in a nesting state are arranged, one container 200 is compared with the other container. The stacking state can be achieved by rotating 200 relatively 180 degrees (first angle) about the vertical axis and stacking again.

  The container 200 is not particularly limited, and any shape such as a square or a circle can be adopted. The first angle (second angle) is not limited to 180 degrees, and 90 degrees or It can be arbitrarily adopted based on the shape of the container 200 such as 45 degrees.

  The article 300 is not particularly limited as long as it is a thing accommodated in the container 200. In the case of the present embodiment, since the factory where the article storage system 100 is installed assumes a so-called process center that sorts food materials such as meat packs delivered in large quantities for each retail store, the article 300 is Various kinds of packed foods.

  Further, the article 300 is carried into an article storage unit 105 (described later) on an article conveyance line 310 that is different from the line on which the container 200 is conveyed.

  Next, the article storage system 100 will be described.

  As shown in FIG. 1, the article accommodation system 100 is a system that accommodates an article 300 carried in another route in a container 200 carried into the article accommodation system 100 and unloads the container 200 containing the article 300. . The article storage system 100 includes a first placement unit 111, a first holding device 121, a first lifting device 131, a first control unit 141 (not shown in FIG. 1), and an article storage unit 105. Yes. Furthermore, the article storage system 100 includes a second arrangement unit 112, a second lifting device 132, a second holding device 122, and a second control unit 142 (not shown in FIG. 1).

  FIG. 2 is a side view showing the first holding device and the first lifting device.

  The first placement unit 111 is a container 200 that is transported by the upper transport line 113 and carried into the article storage system 100, and is a part that is disposed in order to separate the nesting containers 200. In the case of the present embodiment, the container 200 that is carried in from the upper conveyance line 113 and is in a nesting state is arranged in the first arrangement unit 111 via the buffer unit 115.

  As shown in the figure, the first holding device 121 is a device that can hold the containers 200 in the nesting state arranged in the first placement unit 111 together, and by releasing the holding of the containers 200, It is an apparatus that can drop at least the lowest level of the nesting container 200 downward.

  In the case of the present embodiment, the first holding device 121 includes a gate-shaped base 123 and a chuck 124 that can sandwich and release the lowest container 200 of the nesting container 200.

  The first holding device 121 can hold one (for example, the lowermost container) from the nesting containers 200 by moving the chuck 124 in a horizontal plane with respect to the base body 123. By holding the container 200, the entire container 200 is held.

  The first elevating device 131 raises the first support member 161 to an upper position 125 where the lowermost container 200 held by the first holding device 121 can be held, and moves the first support member 161 holding the container 200 to a lower position. It is a device that can be lowered to 126.

  In the case of the present embodiment, the first support member 161 is a plate-like member that can hold the container 200 in a mounted state. In addition, the first holding device 121 includes a reciprocating lift mechanism 163 that can reciprocate the first support member 161 between an upper position 125 and a lower position 126 arranged in the vertical direction.

  FIG. 3 is a block diagram showing the functional part of the article storage system together with the mechanism part.

  As shown in the figure, the first control unit 141 is a processing unit realized when a central processing unit (Central Processing Unit) included in the control device 104 executes a control program stored in a memory or the like. . The first control unit 141 can control an operation related to holding the container 200 of the first holding device 121 based on a signal from a sensor provided in the first lifting device 131.

  FIG. 4 is a diagram illustrating operations of the first holding device and the first lifting device under the control of the first control unit.

  As shown in the upper left of the figure, the first holding device 121 holds the container 200 in a nesting state. The first control unit detects that the first support member 161 is disposed at the upper position 125 by a sensor (see FIG. 3) provided in the first lifting device 131. As shown in the upper right of FIG. The chuck 124 of the holding device 121 is driven to release the holding of the plurality of containers 200 in the nesting state. In this state, the first support member 161 supports all of the plurality of containers 200 in the nesting state. Next, as shown in the lower left of the figure, the first control unit 141 is configured such that the first support member 161 holding the plurality of containers 200 by the first lifting device 131 has a predetermined distance (in the nesting state in this embodiment). It is detected by a sensor (see FIG. 3) that the adjacent containers 200 stacked in the stack are lowered, and as shown in the lower right of the figure, the first support member 161 of the plurality of containers 200 directly holds the first support member 161. The lowermost container 200 that is not held is held by the first holding device 121. Since the first lifting device 131 lowers the first support member 161 to the lower position 126, the container 200 that is directly held by the first support member 161 is lowered together with the first support member 161. As described above, the container 200 directly held by the first support member 161 and the container 200 stacked in a nesting state thereon are separated.

  As described above, the first control unit 141 is stacked in a nesting state by causing the first holding device 121 to repeat the above operation in conjunction with the operation of the first support member 161 of the first lifting device 131. The container 200 can be automatically separated along with the operation of transporting the container 200 downward.

  In the present embodiment, the article storage system 100 includes a turntable 116 downstream of the lower position 126 and upstream of the article storage unit 105. The turntable 116 is arranged with the container 200 lowered to the lower position 126 while being stepped by the first holding device 121 and the first lifting device 131, and the orientation of the arranged container 200 is set to the vertical axis (in the figure). This is a device that can be rotated 180 degrees (first angle) around the Z axis. In consideration of stacking in a stacking state in a subsequent process, every other container 200 is rotated with respect to the containers 200 arranged on the turntable 116 one after another. Thereby, the direction of the article 300 with respect to the container 200 can be aligned with the containers 200 stacked in a stacking state. Further, by rotating the empty container 200 before storing the article 300, it is possible to rotate the container 300 at a high speed without considering the deviation of the article 300, which contributes to the improvement of the throughput of the article storage system 100. It becomes possible to do. Furthermore, the label affixed to the side surface of the container 200 by the labeler 106 described later can be made the same surface, and the label listing property can be ensured in the container 200 stacked in the stacking state. It becomes.

  The article storage unit 105 disposed downstream of the turntable 116 is stepped by the first holding device 121 and the first elevating device 131 and disposed at the lower position 126 and is transported to the article storage unit 105. 200 is an area in which an operation for accommodating the article 300 carried into the article accommodating unit 105 by the article conveying line 310 is performed.

  In the case of the present embodiment, the article storage system 100 includes a transfer device 151 that picks the article 300 supplied from the article transport line 310 and transfers it to the container 200 in the article storage unit 105.

  As a result, the article storage system 100 can be automated from spreading the containers 200 to storing the articles 300 in the containers 200, thereby reducing the burden on the operator.

  Specifically, the transfer device 151 chucks the article 300, and a multi-axis robot capable of transporting the chucked article 300 and the chucked article 300 from a predetermined position to another predetermined position. Can be illustrated.

  In the case of the present embodiment, the transfer device 151 is a parallel mechanism robot having a turning axis in the vertical direction. The parallel mechanism robot is a robot that can transfer the article conveyance line in the container 200 at a high speed while aligning the direction of the article 300 supplied unaligned. By using the parallel mechanism robot, the throughput of the article storage system 100 can be improved, and the listability of the articles 300 stored in the container 200 can be improved by aligning the directions.

  In the case of the present embodiment, the article storage system 100 includes a labeler 106 downstream of the article storage unit 105. The labeler 106 is, for example, a device that automatically attaches a label that describes information such as the type and number of articles 300 contained in the container 200 and the transport destination of the container 200 to the side surface of the container 200.

  Thereby, the container 200 in which the article 300 is accommodated in the article accommodating unit 105 can be surely delivered to a predetermined place. In addition, since the label is attached to the same surface of the container 200 in the stacking state, the relationship between the information written on the label and the container 200 can be easily recognized, and the burden of confirmation work by the operator can be reduced. Can do.

  FIG. 5 is a side view showing the second holding device and the second lifting device.

  The second arrangement portion 112 is an area for stacking the containers 200 in a stacking state, and is a portion where a plurality of containers 200 stacked in the stacking state are arranged. In the case of the present embodiment, the containers 200 stacked in the stacking state on the second placement unit 112 are transported through the buffer unit, and the containers 200 stacked in the stacking state disposed below the upper transport line 113 are transported. It is carried out from the lower conveyance line 114.

  The second holding device 122 is a device that can collectively hold the stacked containers 200 arranged in the second arrangement portion 112, and is a device that can release the holding of all the containers 200.

  In the case of the present embodiment, the second holding device 122 is a chuck that can hold and release a gate-shaped base 123 similar to that of the first holding device 121 and one container 200 in the stacked containers 200. 124.

  The second holding device 122 can hold only the lowermost stage of the stacking container 200 by moving the chuck 124 within the horizontal plane with respect to the base 123, and can hold the lowermost stage container 200 by holding the lowermost stage container 200. The entire 200 is held.

  The second elevating device 132 lowers the second support member 162 to the lower position 126 that holds the container 200 in which the article 300 is stored in the article storage unit 105, and holds the container 200 held by the second support member 162 in the second state. The second support member 162 is raised to an upper position 125 where the device 122 can be held.

  In the case of the present embodiment, the lower position of the second elevating device 132 is the container 200 in which the article 300 is accommodated in the article accommodating unit 105 and conveyed by the return conveying line 117, and is stacked in a stacking state. This is the part where the container 200 is arranged.

  The return transport line 117 is a transport line that is disposed below the article storage unit 105 and transports the container 200 in which the article 300 is stored to the lower position 126 of the second lifting device 132. As described above, by arranging the return conveyance line 117 below the article storage unit 105, it is possible to reduce the space in which the article storage system 100 is disposed in the horizontal plane.

  The article storage system 100 also includes a third lifting / lowering device 133 for transporting the container 200 transported in the article storage unit 105 to the lower return transport line 117. The second lifting device 132 and the third lifting device 133 have the same structure as the first lifting device 131, and any combination of the first lifting device 131, the second lifting device 132, and the third lifting device 133 is used. It can be replaced. As a result, for example, it is possible to replace the lifting device universally by preparing only one spare lifting device, even if any lifting device fails.

  As shown in FIG. 3, the second control unit 142 is a processing unit realized by the control device 104. In the case of the present embodiment, the control device 104 also includes a first control unit 141, and the second control unit 142 and the first control unit 141 can be executed in parallel.

  FIG. 6 is a diagram illustrating operations of the second holding device and the second lifting device under the control of the second control unit.

  As shown in the upper left of the figure, the second control unit 142 raises the second support member 162 holding the container 200 and stacks it in a stacking state at a predetermined distance from the upper position 125 (in the case of the present embodiment). It is detected by a sensor (see FIG. 3) provided in the second lifting device 132 that the second support member 162 is disposed at a position below the distance between adjacent containers 200, as shown in the upper right of the figure. Then, the holding of the container 200 is released by the second holding device 122 and the container 200 is stacked on the second support member 162 in a stacking state. Next, as shown in the lower left of the figure, the sensor detects that the second support member 162 holding the stacking container 200 is further raised to the upper position 125, and as shown in the lower right of the figure. The plurality of containers 200 held by the support member 162 are collectively held by the second holding device 122.

  The second control unit 142 can stack the containers 200 in a stacking state by causing the second holding device 122 to repeat the above operation in conjunction with the operation of the second support member 162 of the second lifting device 132. .

  According to the article storage system 100 according to the above-described embodiment, the position where the article 300 is stored in the container 200 is lower than the position of the upper transfer line 113 where the container 200 in the nesting state is transferred, The containers 200 stacked in a nesting state can be separated using the first lifting / lowering device 131 that conveys the containers 200 in the vertical direction.

  Furthermore, since the process of stacking the articles 300 in the container 200 and stacking the containers 200 in which the articles 300 are stored in a stacking state is automated, the operator only has to monitor the article storage system 100. The burden on the operator can be reduced.

  In addition, since the article storage system 100 has a three-layer structure including a layer of the upper transport line 113, a layer of the lower transport line 114, and a layer of the return transport line 117, space saving of the article storage system 100 is achieved in a horizontal plane. It becomes possible.

(Embodiment 2)
Next, another embodiment of the article storage system 100 will be described. In addition, the same code | symbol may be attached | subjected to what has the effect | action and function similar to the said Embodiment 1, and the same shape, mechanism, and structure (part) may be abbreviate | omitted. In the following description, differences from the first embodiment will be mainly described, and description of the same contents may be omitted.

  FIG. 7 is a perspective view showing the article storage system according to the present embodiment.

  As shown in the figure, the article storage system 100 includes a first placement unit 111, a first holding device 121, a first lifting device 131, a first control unit 141 (see FIG. 3), and an article storage unit 105. A second placement unit 112, a second lifting device 132, a second holding device 122, a second control unit 142 (see FIG. 3), a labeler 106, and a return transport line 117.

  The first holding device 121 is a device that can collectively hold the nesting containers 200 arranged in the first arrangement unit 111 and holds the container 200 in a vertical axis (Z axis in the figure). A device that can rotate around a second angle (eg 180 degrees).

  As a result, the article storage system 100 according to the present embodiment does not need to be provided with a turntable, so that the space for the article storage system 100 can be further reduced.

  Further, since the container 200 can be rotated while the first support member 161 is raised and lowered, the throughput of the article storage system 100 can be improved.

  In addition, this invention is not limited to the said embodiment. For example, another embodiment realized by arbitrarily combining the components described in this specification and excluding some of the components may be used as an embodiment of the present invention. In addition, the present invention includes modifications obtained by making various modifications conceivable by those skilled in the art without departing from the gist of the present invention, that is, the meaning described in the claims. It is.

  For example, as shown in FIG. 8, the article storage system 100 may not include the second holding device 122 for stacking and the second lifting device 132.

  Further, as shown in FIG. 9, the lower transport line 114 may not be disposed directly below the upper transport line 113. Further, the labeler 106 may be disposed in the article storage unit 105. According to this, while the article 300 is accommodated in the container 200 using the transfer device 151, the label can be attached to the side surface of the container 200, which contributes to the improvement of the throughput of the article accommodation system 100. Is possible.

  Further, the turntable 116 may be attached to the first support member 161 of the first lifting device 131. According to this, the container 200 can be rotated around the vertical axis by a predetermined angle while the container 200 is being lowered, and there is no need to separately connect a turntable to the line, so that the article storage system 100 can be saved. Space can be achieved.

  Further, as shown in FIG. 10, the lifting device 103 is not limited to reciprocating the support member, but may be one that circulates the support member 169 along the circulation track 139. Specifically, the lifting device 103 is a device that includes an endless member 138 that moves the support member 169 around along a circulation track 139 having an ascending track and a descending track. In this case, the first holding device 121 is provided above the region in which the support member 169 descends, and the second holding device 122 is disposed above the region in which the support member 169 descends, so Both can be executed.

DESCRIPTION OF SYMBOLS 100 Article storage system 103 Lifting device 104 Control apparatus 105 Article storage part 106 Labeler 111 1st arrangement part 112 2nd arrangement part 113 Upper stage conveyance line 114 Lower stage conveyance line 115 Buffer part 116 Turntable 117 conveyance line 121 First holding apparatus 122 1st Two holding devices 123 Base 124 Chuck 125 Upper position 126 Lower position 131 First lifting device 132 Second lifting device 133 Third lifting device 138 Endless member 139 Circulating track 141 First control unit 142 Second control unit 151 Transfer device 161 First One support member 162 Second support member 163 Reciprocating lift mechanism 169 Support member 200 Container 300 Article 310 Article conveyance line

Claims (8)

An article storage system for storing an article in a loaded container and unloading the container in which the article is stored,
A first arrangement part in which a plurality of containers stacked in a nesting state are arranged;
A first holding device that collectively holds a plurality of containers arranged in the first arrangement unit;
A first elevating device in which the first support member rises to an upper position where the lowest container held by the first holding device can be held, and the first support member holding the container descends to a lower position;
When the first support member is placed at the upper position, the first holding device releases the holding of the plurality of containers, and the first supporting member holding the plurality of containers is lowered by a predetermined distance. A first control unit for holding the first holding device with one or more containers that are not directly held by the first support member among the plurality of containers.
An article storage system comprising: an article storage unit for storing an article in a container conveyed from the lower position. further,
A second arrangement part in which a plurality of containers stacked in a stacking state are arranged;
A second holding device that collectively holds a plurality of containers arranged in the second arrangement unit;
The second support member descends to a lower position where the second support member can hold the container in which the article is stored in the article storage unit, and the second holding device holds the container held by the second support member. A second lifting device in which the second support member rises to an upper position that is a position that can be held;
The second support member holding the container is raised, and when the second support member is arranged at a position below a predetermined distance from the upper position, the second holding device releases the holding of the container. Stacking containers in a stacking state, and when the second support member holding the stacking container is raised to an upper position, a second control unit that holds the plurality of containers together in the second holding device; The article accommodation system according to claim 1 provided. The container can take a nesting state and a stacking state by rotating a predetermined first angle about the vertical axis,
The article storage system according to claim 1, further comprising a turntable capable of rotating the staggered container about the vertical axis by the first angle. The container can take a nesting state and a stacking state by rotating a predetermined second angle about the vertical axis,
3. The article storage system according to claim 1, wherein the first holding device is capable of rotating the second angle around a vertical axis while holding the container. An upper transport line for transporting containers stacked in a nesting state; and a lower transport line for transporting containers stacked in a stacking state disposed below the upper transport line;
5. The article storage system according to claim 1, wherein the first placement unit is connected to the upper transport line, and the article storage unit is connected to the lower transport line. The article storage unit is
The article storage system according to any one of claims 1 to 5, further comprising a transfer device that picks up an article supplied by the article transport line and transfers the article into the container. The article storage system according to claim 6, wherein the transfer device is a parallel mechanism robot having a pivot axis, and transfers the article transport line into a container while aligning the direction of articles supplied in a non-aligned manner. The article accommodation system according to claim 3 or 4 further provided with a labeler which affixes a label on the side of a container rotated about the vertical axis.

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