JP3045272B2 - Storage device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a storage unit provided with a plurality of upper and lower storage sections for storing articles, and a work section for loading and unloading articles is provided. The present invention relates to a storage device provided with an article transport device that transports and transfers the articles between the respective storage sections of the storage shelf and a control unit that controls the operation of the article transport device.

[0002]

2. Description of the Related Art In a storage apparatus having the above-described structure, a work section for carrying in and out articles is provided by using a part of a storage shelf, so that the entire apparatus can be stored in a compact shape. However, in this type of storage device, conventionally,
For example, as shown in JP-A-5-270618, a work table on which articles are placed in the work section has a transfer work position where a transfer operation is performed by the article transfer device, and a transfer work position. The article is provided so as to be slidably movable over a carry-in / out work position projecting more outwardly, without increasing the size of the apparatus, while ensuring a sufficient work space for carrying-in / out work, When an article is carried out to the work unit by the transport device, the work table is fixed at the transfer work position by a lock device (solenoid latch type) which is controlled by the control means so that the lock operation and the release operation are freely performed. Was configured as follows.

[0003]

However, in the above-mentioned conventional configuration, for example, when the work table is returned from the carry-in / out work position to the transfer work position, and the lock device operates, the work table is temporarily stopped. However, after being returned to the transfer work position, the locking device may be erroneously operated in a state in which the lock device is slightly pulled out, and may not be in a state where the position is securely fixed. If the operation of unloading the articles onto the workbench by the article transport device is executed, not only the proper unloading operation cannot be performed, but also disadvantages such as damage to the workbench may occur. There was room.

The present invention has been made in view of such a point, and an object of the present invention is to reduce the size of the apparatus and to efficiently carry in and out the work, and to convey the goods by the article transfer apparatus. An object of the present invention is to provide a storage device that operates in an appropriate state.

[0005]

The features of the first invention are as follows.
In a part of the storage shelf provided with a plurality of upper and lower storage sections for storing articles, a work section for carrying in and out articles is provided, and between the work section and each of the storage sections in each of the storage shelves. In a storage device provided with an article transport device that transports and transfers the article and a control unit that controls the operation of the article transport device, a work table on which the article is placed in the working unit is provided. The work table is slidably provided between a transfer work position where the transfer operation is performed by the article transfer device and a carry-in / out work position protruding outward from the transfer work position. Worktable position detecting means for detecting whether or not the work position is located ,
Detecting whether the article is placed on the worktable
Article presence or absence detection means to be provided, the control means,
When the workbench is not located at the transfer work position by the workbench position detection means, the article transport device operates to carry out the article to the workbench, and It is configured to stop the loading operation of the article from the work table, the work table position detection hand
Step allows the platform to be in the transfer work position
The presence / absence detection means
The article is placed on the worktable by
Is detected by the article transport device,
Allow the loading operation of the article from the workbench,
The work table is moved to the transfer work position by the position detecting means.
The presence or absence of the article when it is detected that
By the detecting means, the article is placed on the work table,
If it is detected that there is no
In that the operation of carrying out the article to the worktable is allowed .

[0006]

A feature of the second aspect of the present invention is to specify a configuration suitable for implementing the first aspect of the present invention, and is characterized in that a plurality of the work tables are provided in a state of being arranged in a horizontal direction.

A feature of the third aspect of the present invention is to specify a configuration suitable for implementing the first or second aspect of the present invention, wherein the storage shelf is provided with a plurality of the storage portions arranged vertically and horizontally. In the provided state, a pair of front and rear is provided, and the article transport device is provided in the front and rear middle of each of the storage shelves, has the same or substantially the same width as the width of each of the storage shelves, A movable lifting table, a moving body provided on the lifting table so as to be movable in a lateral direction by a lateral movement operation means, a moving position provided on the moving body, and performing a moving and conveying by the moving body; Between a storage position to be placed in each of the storage units and a work position to be mounted in the work unit,
And an article transfer device for transferring articles, wherein the control means includes an elevating operation of the elevating operation means, a lateral movement operation of the lateral movement operation means, and an article transfer operation of the article transfer apparatus. The point is that each is configured to be controlled.

[0009]

According to the characteristic structure of the first aspect of the present invention, when the work table is at the transfer work position, the protrusion to the outside of the apparatus is suppressed, the entire apparatus can be housed in a compact shape, and the worker can carry the work. <br/> When performing the entry / exit operation, the work table can be moved to the carry-in / out operation position projecting outward, so that a sufficient work space can be secured.

The work table position detecting means detects whether or not the work table is located at the transfer work position. If it is detected that the work table is not located at the transfer work position, the article transfer device is detected. , Both the operation of unloading the article to the workbench and the operation of loading the article from the workbench are stopped.

The work table is transferred by the work table position detecting means.
When it is detected that you are in the working position,
An article is placed on the workbench by the article existence detection means.
If it is detected that the product is
The loading operation of the goods from the work stand is allowed. Also, work table
Position detection means, the workbench is positioned at the transfer work position.
Is detected by the article presence / absence detection means
Detected that no items are placed on the workbench.
The article is transported to the worktable by the article transport device.
Unloading operation is allowed. Therefore, even when the workbench position detection means detects that the workbench is located at the transfer work position, the article is already placed on the workbench by the article presence / absence detection means. When it is detected that the article is being carried out, the operation of unloading the article to the workbench by the article transport device is stopped. Inconveniences such as collisions are avoided. At this time, when to carry an article from the work table by the article transport device, since does not occur inconvenience such as described above, such a transportable input operation is permitted.

According to the characteristic configuration of the second invention, the following operation is obtained in addition to the operation of the characteristic configuration of the first invention. Since a plurality of worktables are provided in a state of being parallel in the horizontal direction, for example,
It is possible to select and use one that is suitable for the working conditions from among a plurality of working units, and even if one work table is in the loading / unloading work position, transfer the goods to another working table Articles can be placed by the device, and work efficiency can be improved when continuous work is performed on a plurality of articles.

According to the characteristic configuration of the third invention, the first or the first
There are the following operations in addition to the operations according to the features of the two inventions.
Storage shelves are provided on the front and rear sides of the article transport device, each having a large number of storage portions arranged vertically and horizontally, so that the entire device can be housed in a compact shape while increasing the storage capacity. it can. Then, the elevating table is moved up and down to a position where the storage section or the working section to be transported, and the moving body is laterally moved to a position facing the storage section or the working section, and the article transfer device is By executing the transfer operation of the articles, the articles are conveyed. Therefore, since only the moving body including the article transfer device is configured to move laterally, the movement is stopped as compared with the configuration in which the elevating support means for supporting the article transfer device so as to be able to move up and down simultaneously also moves sideways. Movement is performed smoothly with less shock at the time.

[0014]

According to the characteristic structure of the first aspect of the present invention, the work table is slid, so that the work can be carried out efficiently while the size of the entire apparatus can be reduced. When the table is located at the loading / unloading work position, the intermediate position, or the like, the operation of the article transport device is prevented beforehand, and the transport operation by the article transport device is performed in an appropriate state. Goods with
Inconveniences such as collisions with each other are reliably avoided, and goods are transported.
Storage equipment in which the transport operation by the device is always performed in an appropriate state
Can be provided.

[0015]

According to the characteristic configuration of the second invention, the following effect is obtained in addition to the effect of the characteristic configuration of the first invention. Depending on the working conditions, loading and unloading work can be performed efficiently.

According to the characteristic configuration of the third invention, the first or the first
There are the following effects in addition to the effects obtained by the features of the two inventions.
It is possible to provide a storage device that can increase the storage capacity, can compactly store the entire device, and can smoothly perform the operation of transporting articles.

[0018]

Embodiments will be described below with reference to the drawings. FIG.
Then, the container C as an example of the article can be stored in any one of the plurality of storage sections provided on the storage shelf, and the container C stored in the predetermined storage shelf can be taken out. 2 shows a storage device according to the present invention, which enables the storage device to be used. In the container C, for example, a plurality of types of small parts and the like are stacked and sorted.

In this storage device, a pair of storage shelves 2A and 2B provided with a plurality of storage sections 1 for storing articles are provided at predetermined intervals in the front and rear directions in a state of being arranged vertically and horizontally. Using a part of the lower part of the storage shelf 2A located on the front side, an article carrying-in / out section 4 in which a plurality of article carrying-in / out working sections 3 are arranged in a horizontal direction is provided.

In addition, at the front and rear intermediate portion of each of the storage shelves 2A and 2B,
The lifting table 5 having the same width or almost the same width as the storage rack 2A,
2B is provided so as to be freely movable up and down over almost the entire vertical height thereof, and the elevating platform 5 is provided with a moving body 6 which moves laterally over substantially the entire area in the lateral direction of the elevating platform 5. An article transfer device 7 for transferring a container C is provided between each of the working units 3 in the loading / unloading unit and each of the storage units 1 in each of the storage shelves 2A and 2B.

The work unit 3 and each of the storage shelves 2A, 2 are controlled by the lift 5, the moving body 6, and the article transfer device 7, respectively.
B, the container C
Is transported and transferred.

Each of the storage shelves 2A and 2B is provided with a total of six columns 8 on both front and rear sides at both ends in the horizontal direction and a middle section in the horizontal direction, respectively, and three columns located on the front side. A plurality of horizontal frames 9 are erected and connected at predetermined intervals in the vertical direction over each of the three columns 8 located on the rear side. A large number of locking members 10 for placing and storing the container C are erected and connected along the front-rear direction at predetermined intervals over the front-rear horizontal frame 9 located at the same level. The storage units 1 of the plurality of containers C are configured in parallel.

The locking member 10 is mounted and supported on both lateral sides of the container C, and is formed to have a substantially L-shaped cross section so as to prevent lateral movement. The portion is configured as a guide portion 10a bent obliquely downward, so that the transfer of the container C can be performed smoothly. Further, the front and rear storage shelves 2A and 2B are connected by a horizontal rod 11 at an upper end portion of each support column 8 at a predetermined interval in the front and rear.

The article carry-in / out section 4 is provided with a storage shelf 2 on the front side.
On the lower side of A, a portion corresponding to a plurality of upper and lower stages of the storage portion 1 is provided in a state of using the entire width in the horizontal direction,
A plurality of work units 3 for carrying in / out work of the container C are provided in a state of being juxtaposed in the horizontal direction. The container C is placed on each working unit 3 at a height substantially corresponding to the waist position of the worker so that the worker can easily carry in and out the work while being located below the storage unit 1. A work table 12 is provided. A work space for carrying in / out work is secured above the work table 12, and each work space is configured such that the work spaces of the plurality of work units 3 are connected in series and open. , The work of carrying in and out of the container C is easily performed in a wide space without interfering with other objects. A reinforcing partition wall 13 is provided at the center of the article carrying-in / out section 4 (at a position corresponding to the central support).

Each of the work tables 12 has a transfer work position at which the container C is transferred by the article transfer device 7, and a carry-in / out work position projecting outward from the transfer work position. It is configured to be able to move out and over. That is, as shown in FIG. 1 and FIG. 2, both side vertical surface portions 14 a,
A guide rail 15 having a U-shaped cross section is provided on 14a, and the guide rails 1 are provided on the rear side (retreat direction side) of the support member 16 attached to both sides of the lower surface of the worktable 12.
A moving guide roller 17 that is guided to engage with the roller 5 is supported. A fixed guide roller 19 is supported on a support portion 18 integrally extending from the guide rail 15 on the front side (projection side).
An engagement guide piece 20 extending from each support member 16 that moves integrally with the work table 12 is configured to be slid and guided while being placed on the upper side. The contact portion 21 provided in the middle of the support member 16 is fixed to the fixed contact control portion 22.
, So that further outward protrusion is regulated, so that the carry-in / out work position is set.

Further, when the work table 12 retreats to the transfer work position, the locking hook 2 provided on the work table 12 side is moved.
3 is automatically locked by its own weight to a lock 25 supported by a bracket 24 on one lateral side outer surface of the fixed base 14,
The work table 12 is configured to be locked in a position fixed state. A contact portion at the front end of the container mounting surface of the work table 12 for preventing the container C from abutting at a predetermined mounting position during the transfer operation by the article transfer device 7 to prevent the container C from jumping out. 26 are provided.

In a state where the work table 12 is in the transfer work position, the work table 12 is located at the transfer work position below the position near the front side of the work table 12 as shown in FIGS. A workbench detection switch 80 is provided as workbench position detection means for detecting whether or not the workbench is operating. The workbench detection switch 80 is attached to and supported by a front side horizontal frame 9 via a bracket 81, and is provided with a detection piece 82 which is swingable up and down and is urged upward. Are supported, and when the work table 12 is in the transfer work position, the rotating roller 83 is moved through the insertion hole 84 formed in the bottom surface 12 a of the work table 12 so that the bottom surface 12 a
It is arranged so as to project slightly upward.

The insertion hole 84 is provided so that the rotation roller 83 projects upward only at a position where the work table 12 is in the transfer operation position and is locked in a fixed position by the locking hook 23. The length in the front-rear direction is smaller than the diameter of the rotating roller 83.

Therefore, when the work table 12 is pulled out of the transfer work position, the bottom surface 12a of the work table 12 comes into contact with the rotating roller 83 to push the detection piece 82 downward and swing, and the work table detection switch 80 is turned on. The ON operation is performed, and it is detected that the work table 12 is not located at the transfer work position.

Further, with the work table 1 in the transfer work position,
3 and 5, a container detection switch as an article presence / absence detection means for detecting whether or not the container C is placed on the work table 12, as shown in FIGS. 85 are provided. The container detection switch 85 is mounted and supported on the rear side frame 9 via a bracket 86, similarly to the worktable detection switch 80, and is provided in a state in which it can swing vertically and is urged upward. A rotation roller 88 is supported on the detection piece 87.

The rotation roller 88 is disposed so as to protrude largely upward from the work table bottom surface 12a through a notch 89 formed in the work table 12, and when the container C is placed on the work table 12, the rotation roller 88 rotates. The moving roller 88 is pushed down by the container C, the detecting piece 87 swings downward, and the container detecting switch 85 is turned ON to detect that the container C is placed.

As shown in FIG. 7, a partition wall 27 is formed on the inside of the working section 3 above the container mounting space with a space for moving the container C below. By separating the work space from the elevating space of the elevating table 5, safety in operation is ensured. Further, at a position facing the work space on the lower side of the partition wall 27, post-processing is executed as described later after the carrying-in / out work is completed separately in a state corresponding to each work unit 3. A work completion switch 28 is provided as a command operation tool operated for this purpose.

Next, the lifting operation structure of the lifting table 5 will be described. As shown in FIGS. 8 and 9, four guide drums 29 located at upper positions on both sides in the horizontal direction of the lift 5.
a, 29b support both ends in a hanging state 4
One end of each of the connection wires 30a and 30b is connected to both front and rear sides of a rectangular tubular support 31 provided at both ends in the horizontal direction of the elevator 5 in a front-rear direction.
The other end of each connecting wire 30a, 30b is
Is connected to a balance weight 32 which can be moved up and down along a weight elevating passage formed on one side of the elevating passage. The guide drums 29a on the balance weight side are driven by an electric motor M1 (an example of elevating operation means). The connection wires 30a and 30b are operated in the forward and reverse directions in the longitudinal direction by the forward / reverse drive, so that the lift table 5 is moved up and down.

A connecting wire 30a connected to a portion of the lifting platform 5 on the side of the weight lifting path has two guide drums 2 located above the location of the weight lifting path.
Each of the guides 30b, which are supported in a state of being wound around the upper half of the outer periphery of the outer peripheral portion 9a and are connected to a portion opposite to the side of the weight elevating path, are located above the point on the side of the weight elevating path. The guide drums 29a and 29b are supported in a state of being wound in a loop shape on the inner peripheral side with respect to the drum 29a and the guide drums 29b located on the opposite side to the drum 29a.

Each of the guide drums 29a and 29b is wound as described above, so that the driving force of the electric motor M1 is reliably transmitted to each of the connecting wires 30a and 30b so that the guide drums 29a and 29b are brought into sliding contact with the drive side guide drum 29a. A sufficient distance is ensured, and the risk of twisting of the connecting wire 30b is reduced as much as possible in comparison with a case where the driving wire is wound around the driving guide drum 29a once.

A pair of front and rear guide rails 33 are provided to guide the balance weight 32 so as to be able to move up and down. Each of the guide rails 33 is formed in a U-shaped cross section. , 2B. Although not shown, the guided portion on the balance weight side is prevented from moving in the lateral direction by a rolling roller that rotates around a front and rear axis that rolls while sliding on the inner surface of the guide rail 33, and The roller is configured to be able to move up and down smoothly in a state where movement in the front-rear direction is prevented by the rolling rollers rotating around.

As described above, the hanging type elevating mechanism is rationally configured, so that the elevating platform 5 is detoured around the elevating path and the outward projection is reduced as much as possible. It is configured to be able to fit into a shape.

Then, it is attached via a plurality of brackets 38 to the columns 8 located at both lateral ends of the storage shelf 2B on the opposite side (rear side) of the storage shelf 2A provided with the article carry-in / out section 4. Elevating guide 3 consisting of a rectangular rod
9, the guided portion 40 provided on the lifting platform 5 is configured to be guided so as to be able to move up and down while preventing movement in the horizontal direction.

As shown in FIG. 10, the guided portion 40 on the lifting platform 5 is rotatably supported around a longitudinal axis by a support bracket 41 attached and fixed to the rear end of each of the support members 31, 31. The upper and lower guides 39 are sandwiched at two upper and lower portions by a pair of rolling rollers 42 so as to prevent relative movement in the horizontal direction, and the support bracket 41 rotates around the horizontal axis. A pair of freely supported rolling rollers 43 sandwiches the front and rear sides of the lifting guide 39 at two locations in the vertical direction to prevent relative movement in the front and rear direction. It is configured to perform a simple elevating operation.

Although not shown, the lifting guide 39 is attached to the support bracket 41 with the lifting operation of the lifting table 5.
A rotary encoder for detecting the amount of vertical movement based on the amount of rotation of the rotating roller that slides and rolls.
Further, a transmission type photoelectric sensor for discriminating a lifting stop position of the lift 5 by being partitioned by a shielding plate 46 provided at an appropriate position on a side of the support 31 opposite to the support bracket 41 arrangement portion. 47 are provided.

Next, a description will be given of a structure for laterally moving the moving body 6. As shown in FIGS. 11, 12, and 13, the moving body 6 is configured such that the moving body frame 48 covers the front and rear sides and the upper side of the elevator 5, and the left and right side frames of the moving body frame 48. On one of the bodies 48a, 48b, a pair of upper and lower sandwiching rollers 49, which sandwich a projecting ridge 5a formed in a laterally protruding state on the side of the elevating platform 5 from both upper and lower sides at two locations in the lateral direction. 49 is rotatably supported around the horizontal axis. These nipping rollers 4
The moving body 6 is configured to be guided laterally in a state where the moving body 6 is prevented from rising upward by the parts 9 and 49. or,
Each of the side frame bodies 48a and 48b is provided with a pair of rolling rollers 50 that roll while slidingly contacting each other while being sandwiched from both front and rear sides of the elevating platform 5 at two locations in the front and rear directions along the moving direction. It is supported rotatably around the vertical axis,
It is configured to be smoothly guided.

Pulleys 51, 51 rotatably supported around the longitudinal axis at both ends of the lift table 5, respectively.
The both ends of the drive belt 52 wound around are connected to the moving body frame 48, and one of the pulleys 51 is connected to the electric motor M2.
The drive belt 52 is moved in the longitudinal direction by being rotationally driven by (an example of the lateral movement operation means), and accordingly, the moving body 6 is laterally moved.

A rotating roller 53 that rolls while sliding on the side surface of the lift 5 is attached to one side frame body 48a.
Is provided with a rotary encoder 54 for detecting the amount of lateral movement based on the amount of rotation of the moving member 6, and is separated by a shielding plate 55 provided at an appropriate position, so that the transmission for determining the position at which the moving body 6 stops moving in the lateral direction. Type photoelectric sensor 56 is provided.

When the transfer of the container C to / from the article carrying-in / out section 4 is performed, the moving body 6 determines whether or not an operator exists near the working section 3 to be subjected to the transferring operation. An ultrasonic type presence / absence sensor 57 for detecting is provided.

Next, the article transfer device 7 will be described. As shown in FIGS. 11, 12, and 13, a pair of belt conveyors 5 that move back and forth while the container C is placed thereon
8 and 58 are provided so as to be integrally rotated by a single electric motor M3. The storage unit 1 or the working unit 3 is engaged with a container C at an intermediate portion between the belt conveyors 58 and 58. And a locking transfer mechanism 59 that slides the container C between a position where the container C is placed and a position where the container C is placed on the article transfer device. In this locking type transport mechanism 59, a vertically movable body 61 is supported by four vertically oriented guide rails 60 provided on the movable body frame 48 so as to be vertically movable.
1, on the guide rail 62 provided on it,
A slide plate 63 that relatively slides in the front-rear direction is provided. Further, on the upper side of the slide plate 63, a locking member 6 which is relatively slidable in the front-rear direction along a guide rail 64 provided on the slide plate 63.
5 are provided. The locking member 65 has a plate body bent in a substantially U-shape, and is provided in a posture in which both bent portions forming the container locking portion 65a face upward.

When the eccentric cam 66 is rotated by the electric motor M4 together with the slide plate 63 and the locking member 65, the vertically movable body 61 is placed on the belt conveyor 58 with the container locking portion 65a. The elevating operation is performed between a retreat position located below the surface and a locking operation position protruding above the placement surface.

A rack gear 67 is formed on the side of the slide plate 63, and a pinion gear 68 that meshes with the rack gear 67 is rotatably supported by a vertically moving body 61 about a vertical axis. The slide plate 63 is configured to slide in the front-rear direction by being rotationally driven by the motor M5.

Sprockets 69 and 70 are supported on both sides of the slide plate 63 in the sliding movement direction,
The roller chain 71 is wound around one of the sprockets 69 on one side in the sliding movement direction 5 and on the opposite side of the lifting / lowering body 6.
The roller chain 72 is wound around the other sprocket 70 over the other side in the sliding movement direction and the opposite side of the vertically moving body 6. Accordingly, when the slide plate 63 is slid in any one of the front and rear directions, the locking member 65 is accordingly moved relative to the slide plate 63 in the same direction.

The transfer operation of the container C by the article transfer device 7 having the above configuration will be described. From the standby state in which the locking tool 65 waits at the home position indicated by the solid line in FIG.
The electric motor M5 is driven to move the slide plate 63 and the locking member 65 toward the container C placed in the storage section 1 or the article carrying-in / out section 4. Container locking part 6
When 5a is positioned below the engaging portion k of the container C, the lifting / lowering moving body 61 is raised, and the container engaging portion 65a is engaged with the engaging portion k of the container C. In that state, slide plate 6
3 is moved in the opposite direction, and the container C is slid toward the article transfer device. At this time, each of the belt conveyors 58, 58 is driven to rotate in synchronization with the locking movement speed, so that the belt conveyors 58, 58 are smoothly moved with little frictional resistance accompanying the sliding movement. When the locking member 65 moves to the center position, the lifting / lowering moving body 61 is lowered, and thereafter, the container C is moved to a predetermined position by the belt conveyors 58, 58.

As shown in FIG. 14, control for controlling the raising and lowering operation of the elevating table 5, the lateral moving operation of the moving body 6, and the transfer operation of the article transfer device 7 using a part of the article carrying-in / out section 4. A portion 73 is provided. The control unit 73 controls each workbench 1
2, so that the support 74 is substantially box-shaped.
Supported by

Next, the control operation of the control unit 73 will be briefly described. The control unit 73 is provided with an operation panel 76 and a display unit 77, and the operator selects a work mode by a predetermined operation. In other words, one of “entry mode”, “exit mode”, “picking exit mode”, and “supplementary entry” is instructed. Note that picking and unloading is a mode in which unloading is performed based on a command from an external central management device (not shown), and replenishment and unloading is the number of parts loaded in the container C. When the number is different from the number managed in 73, it is used when replenishing parts, but detailed description is omitted.

The position of the storage unit 1 and the part numbers and the like stored and stored in the corresponding container C are input to the control unit in advance. Then, for example, when parts are stored in the container C, by specifying “reception mode” on the operation panel 76 and specifying the part number and the work unit 3 to be operated, the control unit is operated as follows. The transfer operation control is executed.

The control unit 7 is controlled based on the operation on the operation panel.
3 drives the electric motor M1 for elevating and lowers the elevating platform 5 to an elevating position corresponding to the height of the storage part in which the container corresponding to the designated part number is stored;
By driving the electric motor M2 for lateral movement, the moving body 6 is laterally moved to a position corresponding to the corresponding storage section. At this time, it is detected by the rotary encoder for raising and lowering and the photoelectric sensor 47 whether or not it has moved up and down to the corresponding position, and it is detected by the rotary encoder 54 and the photoelectric sensor 56 whether or not it has moved to the corresponding position. Is done.

Then, after the container C is transferred onto the article transfer device 7 by the transfer operation by the article transfer device 7 as described above, the container C is directed to the designated work section in the same manner as the control described above. Then, the elevator 5 is moved up and down, and the moving body 6 is moved laterally. Thereafter, the article transfer device 7
The container C placed on the work unit 3 is transferred to the work table of the work unit 3, and the unloading of the container is completed.

Then, the worker slides the work table 12 to the carry-in / out position to perform the work of storing parts, and when the work is completed, the worker slides the work table 12 to the transfer work position. The work completion switch 28 is operated. When the work completion switch 28 is operated, the control unit 73
In the same manner as in the above-described control, the container C is transported from the working unit 3 to the predetermined storage unit 1, and the loading operation of the container C ends.

Then, when the transfer operation for storing is completed,
The operator inputs the part number and the number of storages on the operation panel 76 of the control unit 73, and corrects the inventory management number of the part by the control unit 73.

When the above-described container transport control is executed, if the workbench detection switch 80 is in the ON state, that is, if it is detected that the workbench 12 is not at the transfer work position. The control unit 73 does not execute any of the elevating operation of the elevating table 5, the lateral movement operation of the moving body 6, and the transfer operation of the article transfer device 7. Note that, when the workbench detection switch 80 is in the ON state, the above operations are not executed in any of the above operation modes.

Further, even if it is detected that the workbench detection switch 80 is in the OFF state, that is, even if the workbench 12 is at the transfer work position, the container detection switch 85 is in the ON state. , That is, workbench 1
If the container C is placed on the work 2, the loading operation of the container C from the worktable 12 to the storage unit 1 is performed, but the unloading operation of the container C from the storage unit 1 to the worktable 12 is performed. Control to stop. In this way, damage due to unexpected collision between containers is reliably prevented. If it is detected that the workbench detection switch 80 is in the OFF state and the container detection switch 85 is in the OFF state, the unloading operation of the container C to the work unit 3 is performed. .

[0059]

Another Embodiment (1) In the above embodiment, the case where the storage units are provided in a state where they are arranged vertically and laterally side by side and a plurality of working units are provided in a state where they are arranged side by side horizontally. However, instead of such a configuration, a configuration may be adopted in which the storage units are vertically arranged in a single row, and the loading / unloading operation is performed by one working unit.

(2) In the above embodiment, the article transport device
Although the case has been exemplified in which each of the lift table and the movable table that is laterally moved with respect to the lift table, and an article transfer device that is provided on the movable body and transfers articles, is used. Instead of such a configuration, the following configuration may be used. A so-called stacker crane-type transport device is provided with a vertical frame standing on a traveling vehicle body running in the horizontal direction, supporting an elevating body that moves up and down along this vertical frame, and equipped with an article transfer device on the elevating body. The article transfer device may be mounted at an appropriate position of the endless rotating band wound around the upper and lower wheels that rotate about the horizontal axis, and the endless rotating band may be adjusted. It may be configured to move up and down to convey articles.

(3) In the above-described embodiment, the case in which a container in which small parts are loaded is illustrated as an article to be stored, but a single product having a predetermined shape may be stored as an article. The configuration of the article is not limited.

In the claims, reference numerals are provided to facilitate comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is a vertical side view of a worktable.

FIG. 2 is a vertical sectional front view of a work table.

FIG. 3 is a plan view of a work table.

FIG. 4 is a side view of a workbench detection switch.

FIG. 5 is a side view of the container detection switch.

FIG. 6 is a partially cutaway perspective view of a storage device.

FIG. 7 is a vertical sectional side view of a working unit.

FIG. 8 is a perspective view showing a lifting support structure of the lifting platform.

FIG. 9 is a front view of a lifting platform.

FIG. 10 is a plan view of a lifting platform.

FIG. 11 is a front view of the article transfer device.

FIG. 12 is a side view of the article transfer device.

FIG. 13 is a plan view of the article transfer device.

FIG. 14 is a front view of a control unit arranging unit;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Storage part 2A, 2B Storage shelf 3 Working part 5 Elevating platform 6 Moving body 7 Article transfer device 73 Control means 80 Work table position detecting means 85 Article presence / absence detecting means C Article M1 Elevating operating means M2 Horizontal moving operating means

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-5-270618 (JP, A) JP-A-54-45085 (JP, A) JP-A-62-222908 (JP, A) JP-A-4- 341404 (JP, A) Japanese Utility Model 6-10210 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) B65G 1/00-1/20

Claims (3)

(57) [Claims] 1. An article loading / unloading work section (3) is provided in a part of storage shelves (2A) and (2B) provided with upper and lower storage sections (1) for storing articles (C). The work unit (3) and the storage shelves (2A) and (2B) are provided.
An article transport device that transports and transfers the article (C) and the control unit (73) that controls the operation of the article transport apparatus are provided between the storage units (1). A storage device, comprising: a work table (12) on which the article (C) is placed in the work section (3); a transfer work position at which a transfer operation is performed by the article transfer device; Worktable position detecting means provided slidably over a carry-in / out work position protruding outward from the work position, and detecting whether or not the worktable (12) is located at the transfer work position. (80) and the above
Whether the article (C) is placed on the work table (12)
And an article presence / absence detection means (85) for detecting whether or not the workbench (12) is in the transfer work position by the workbench position detection means (80). If it is detected that the article (C) has not been carried out, the article transport device performs the unloading operation of the article (C) to the work table (12) and the article (C) from the work table (12). consists of loading operation to stop, by the worktable position detecting means (80), the worktable
It is detected that (12) is located at the transfer work position
The article presence / absence detection means (85)
The article (C) is placed on the work table (12).
Is detected by the article transport device.
Loading the article (C) from the worktable (12)
Movement, and the work platform position detecting means (80)
It is detected that (12) is located at the transfer work position
The article presence / absence detection means (85)
The article (C) is placed on the work table (12).
If it is detected that there is no
Work for carrying out the article ( C) to the work table (12)
A storage device that is configured to allow movement . 2. The workbench (12) is laterally juxtaposed.
The storage device according to claim 1, wherein a plurality of storage devices are provided in a state. 3. The storage shelves (2A) and (2B) are vertically
A plurality of the storage portions (1) arranged side by side and
In a state of being provided, a pair of front and rear is provided, and the article transport device is provided at a front and rear middle of each of the storage shelves (2A) and (2B).
The width of each of the storage shelves (2A) and (2B)
It has the same width and is lifted by the lifting operation means (M1).
A vertically movable platform (5) and a vertically movable platform (5) on the vertically movable platform (5).
A moving body (6) provided movably in the lateral direction; and a moving body (6) provided on the moving body (6).
A transfer position for performing the transfer and the transfer of the article (C),
The storage position to be placed on the storage part (1) and the work part (3)
Article transfer equipment for transferring articles to and from the work position
(7), the control means (73) is provided with a lifting / lowering operation of the lifting / lowering operation means (M1), and a lateral movement operation.
Lateral movement operation of the means (M2) and the article transfer device (7)
Is configured to control each of the article transfer operations
The storage device according to claim 1.