JPH0476883B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides pipes used for various purposes,
The present invention relates to a tube storage device that separates and stores tubes by type based on caliber and takes out and ships a predetermined number of tubes of a specified type in response to an order.

[Prior Art] Conventionally, as a storage device for tube bodies, a storage rack having upper and lower rack shelves for storing tube bodies classified by type is provided, and the tube bodies are placed on the entrance side of the storage rack. An elevating cradle is installed on each rack shelf, and pipe bodies to be carried in are stored by type on each rack shelf. Also, an elevating body is installed on the exit side of the storage rack, and a lifting cradle is installed on each rack shelf. There is one that allows you to take out the desired tube by going up and down.

[Problems to be Solved by the Invention] However, in the rack shelf type tube storage device, the elevating cradle on the entrance side of the storage rack is equipped with a tube carrying device, and the elevating body on the exit side is equipped with a tube carrying device. It is necessary to provide each. If they are installed via separate loading and unloading routes, a large installation space is required, which poses the problem of being uneconomical.

Additionally, if various types of pipes are mixed together when storing pipes, it is necessary to sort them, so pipes are generally transported in and out one by one, but pipes of the same type are In places where multiple tubes are handled in bundles, it is convenient to be able to transport multiple tubes at once.

In view of the above-mentioned points, the present invention provides a tube storage device that shares the loading and unloading routes for tubes with respect to a storage rack, saves space, and allows a plurality of tubes to be loaded and unloaded all at once. The purpose is to

[Means for Solving the Problems] The tube storage device according to the present invention is provided with a pallet for carrying in and out of tubes capable of loading a plurality of tubes as a means for transporting tubes, and an appropriate number of rack shelves. A storage rack for tube bodies having upper and lower sides is provided, and an elevating cradle is provided on the entrance side of the storage rack for lifting the tubes loaded on the pallet and discharging them onto a predetermined rack shelf. On the exit side, an elevating body is installed which carries a pallet to receive the pipes discharged from the rack shelf and moves up and down, and the pallet is reciprocated between the lowering position of the elevating cradle at the bottom of the rack shelf and the lowering position of the elevating body. further disposing a traveling trolley having a chain conveyor on the upper part for transferring the pallets and reciprocating between the elevating body side of the conveying means and the loading/unloading point of the pipe body; Furthermore, the present invention is characterized by comprising a control means for controlling the pallet so as to be movable between the lifting cradle, the lifting body, and the loading and unloading point of the tube body.

[Function] In the tube storage device of the present invention, when storing tubes, the tubes loaded on a truck are loaded onto a traveling truck in units of multiple pieces using a crane, and the type and number of tubes are also checked. Input into the control panel,
In response to the operation start command, the traveling truck loaded with tubes travels to a loading position below the tube storage means, and the tubes loaded on the traveling truck are transferred to the lifting cradle by the transfer means. The lifting cradle ascends to the rack shelf corresponding to the specified pipe type,
It is fed into the rack shelf by the feeding means of the lifting cradle.

When shipping pipes, the type of pipe to be shipped,
When the number of tubes is input into the control panel and an operation start command is issued, the elevating body that carries out the pipes moves up and down to the rack shelf corresponding to the specified type of pipe body, and the elevating unit that carries out the pipe body moves up and down to the rack shelf that corresponds to the specified type of pipe body, and the sending means installed on the exit side of the rack shelf moves. While counting the pipes sent out one by one, a predetermined number of pipes are delivered to the elevating body. If there is a reservation for another type of tube, the elevating body moves up and down to the rack shelf corresponding to that type, receives the tube in the same manner as described above, and then descends to deliver the tube to the traveling truck. The trolley loaded with tubular bodies travels to the unloading position, is banded by a worker, and then loaded onto a truck by a crane and shipped.

[Example] The present invention will be described below based on an example shown in the drawings.

First, to explain the general structure of the tube storage device, the tube storage device includes a tube storage means 1 that stores tubes by classifying them according to material and diameter, and a tube storage device 1 that stores a plurality of tubes. It is composed of a traveling cart 2 that carries in and out the tubes in units. Furthermore, the tube storage means 1 has an appropriate number of tube storage rack shelves 3a,
3b...3n (hereinafter referred to collectively as simply 3)
A storage rack 4 is arranged to tilt vertically, an elevating cradle 5 raises and lowers the pipes carried in and sends them to an arbitrary rack shelf, and a lift cradle 5 transports the pipes carried in by the traveling cart 2 to the elevating cradle 5. A transfer means 6 for transferring, and an elevating body 7 for lifting and lowering the pipes to any rack shelf 3, receiving the discharged pipes, and transporting them to the traveling trolley 2.
It is made up of.

Next, the structure of each of the above devices will be explained in order.

FIG. 3 shows a schematic planar arrangement of each of the above-mentioned devices (storage rack 4 is omitted).
The tubes are moved back and forth between the position where the crane 8 for loading and unloading tubes is located (hereinafter referred to as the ``tube loading station'') and the position below the elevating body 7 (hereinafter referred to as the ``tube loading/unloading station''). It is used to bring in and take out. As shown in FIGS. 4 and 5, the traveling bogie 2 has wheels 10 disposed on the front, rear, left and right sides of the lower part of the bogie body 9, and has rails laid between the tube loading station and the tube loading/unloading station. 1
It is movable on the rail 1 at the tube loading station and the tube loading/unloading station.
A limit switch 13 provided at the main body 9 detects contact between members 14 provided at the front and rear sides of the main body 9, and the vehicle stops running. A chain conveyor 16 for transferring the tube in a direction perpendicular to the rail 11 is disposed on a support stand 15 erected at both ends of the trolley body 9, and a transfer means is provided by the forward and reverse rotation of a drive motor 17. 6 and take in the pipe body. The pipes P are carried in and out in units of a plurality using pallets 18, and two pallets 18 are prepared, one for carrying in and one for carrying out. This usage will be explained later.

The transfer means 6 is disposed between the tube carrying-in/out station and the lifting cradle 5, and is used to transfer the pallet 18 sent out from the traveling cart 2 located at the tube carrying-in/out station to the lifting cradle 5, or temporarily store it and use it as a transfer means. Pallet 1 placed on 6
8 can be fed to the traveling cart 2 located at the tube loading/unloading station by changing the transfer direction, and the drive motor of the transfer means 6 is capable of forward and reverse rotation, and in the embodiment, a chain conveyor is used as the transfer means. is adopted.

The elevating cradle 5 uses a cradle body 19 to lift both ends of the tube placed on the pallet 18 transferred by the transfer means 6, and raises it along the guide rail 20 to an arbitrary rack shelf 3. A chain 21 with both ends fixed to the cradle body 19 is suspended around gears disposed at the upper and lower ends of the guide rail 20, and can be raised and lowered by forward and reverse rotation of the drive motor 22, and an inverter is used to achieve variable speed. The speed and position are controlled by an encoder. The elevating cradle 5 has a means for feeding the lifted tube to an arbitrary rack shelf 3, and as shown in FIG. A belt 24 that lifts the pipe P and sends it to the chain conveyor 23
is installed. One end of this belt 24 is fixed to a fixed part 25 of the cradle main body, and the other end is wound around a shaft 27 via a roller 26, and a chain 29 is driven by forward and reverse rotation of a drive motor 28 attached to the cradle main body 19. The shaft body 27 is rotated in the forward and reverse directions through the cradle, and the belt 24 is wound in and out, and the cradle body 19 is at the lowest position as shown in FIG.
), the pipe body is lifted by the cradle main body 19 in the state where the belt is extended, and when it is ascended to an arbitrary rack shelf 3, the belt 24 is reeled in and the sixth
The pipe P is sent to the chain conveyor 23 as shown in the figure. In addition, a limit switch 30 is installed on the entrance side of the rack shelf 3, and detects when the pipes P are carried into the rack shelf 3 in a stacked state.
If the items are transported in a stacked state, use belt 2.
4 and the reverse rotation of the chain conveyor 23, the tubes P are sent back to the cradle main body side, and then fed again, so that the tubes P are sent to the rack shelf 3 without being stacked.

The rack shelf 3 is constructed by rolling the tube fed by the feeding means of the lifting cradle 5 along a slightly inclined shelf surface, and disposing it on the exit side of the rack shelf 3 as shown in FIGS. 7 and 8. Channel material 31
They are stopped by a stopper 32 installed upright, and stored in a line on a shelf. On the exit side of the rack shelf 3, a push-up member 34 is disposed as a feeding means for feeding out the tubes P one by one, and moves up and down by the expansion and contraction of the piston rod of the cylinder 33. As the push-up member 34 rises, the tubes P are The books are pushed up one by one, rolled along the slope formed on the upper surface of the push-up member 34, and are discharged beyond the stopper 32. The number of pipes dispensed is detected by the limit switch 35.

The elevating body 7 waits at the position shown in Fig. 1 (hereinafter referred to as the "home station of the elevating body"), and upon receiving a command to carry out the tubes, lifts and lowers the predetermined number of tubes sent out to an arbitrary rack shelf. The pallet 1 receives the tubes and delivers them to the traveling trolley 2 waiting at the tube loading/unloading station.
A chain 37 with both ends fixed to the lift body 7 is attached to the guide rail 36.
It is rotated by gears arranged at the upper and lower ends of the cradle, and is raised and lowered by the forward and reverse rotation of the drive motor 38. Like the lifting cradle 5, an inverter is used to achieve variable speed, and the speed and position are controlled by an encoder. .

In the above-mentioned configuration, when storing and unloading tubes, the designation of loading and unloading, the code number of the type of tube, and the number of tubes are input through the input means 39, as shown in FIG. Based on the input tube type code, the rack shelf address determination 41 is performed by referring to the type code rack shelf address file 40 registered in advance in the storage section of the CPU. The stock number calculation 43 is performed with reference to the rack shelf address/stock number file 42, and this is stored.
Then, at the start of loading/unloading, data on the rack shelf address and the number of pipes are applied to the loading/unloading control means 44, and each device 45 is controlled according to a loading/unloading program programmed in advance.

FIG. 9 is a flowchart showing the processing means for warehousing, and FIG. 10 is a flowchart showing the processing means for warehousing, and in the figure, S1 to S71 represent each step of each processing procedure.

Two pallets 18 are used for loading and unloading tubes, one for loading and one for loading and unloading. As shown in FIG. 1, during the standby period when loading and unloading is completed, the carrying pallet 18 is placed at a position on the transport means 6 (hereinafter referred to as the "home station of the carrying pallet").
The pallet 18 for carrying out is placed on the elevating body 7 located at the home station.

When carrying out a warehousing operation for pipes, when a warehousing operation start command is issued, it is first determined whether or not the pipe body is being unloaded (S1), and if it is being unloaded, the system waits until the retrieval operation is completed (S2), and after completion of the warehousing operation. The warehousing operation is started. If the vehicle is not being unloaded, the warehousing operation is started, and the traveling cart 2, which has been waiting at the tube loading station, travels to the tube loading/unloading station and stops (S3). The chain conveyor 16 of the traveling trolley 2 rotates in the opposite direction (S4), then the transfer means 6 rotates in the reverse direction (S5), and the carrying pallet 18 placed on the transfer means 6 is removed.
moves onto the traveling trolley 2 (S6), the traveling trolley 2
The rotation of the chain conveyor 16 stops (S7),
The transfer means 6 also stops rotating (S8). The traveling trolley 2 carrying the carrying pallet 18 travels to the tube loading station and stops (S9), and the worker loads the carrying pallet 18 in units of multiple tubes using the crane 8 (S10), and the traveling trolley 2 When the travel push button switch is turned on (S11), the traveling cart 2 carries the tube, travels to the tube loading/unloading station, and stops (S12). The transfer means 6 rotates forward (S13),
When the chain conveyor 16 of the traveling trolley 2 rotates forward (S14) and the carrying-in pallet 18 carrying the tube body moves onto the transfer means 6 (S15), the rotation of the chain conveyor 16 of the traveling trolley 2 stops (S16). ), the carrying pallet 18 is transported by the moving means 6,
Once moved onto the lifting cradle 5 (S17), the rotation of the transfer means 6 is stopped (S18). The elevating cradle 19 rises (S19) and lifts the tube body. In parallel with this operation, the transfer means 6 rotates in the opposite direction (S20), moves the empty carrying pallet 18 to the home station (S21), stops the rotation of the transfer means 6 (S22), and The trolley 2 travels to the tube loading station and stops (S23). The elevated lifting cradle 5 stops at the specified rack shelf address (S24), rotates the chain conveyor 23 of the lifting cradle 5 (S25), winds up the tube feeding belt 24 (S26), and places one tube on the rack shelf. Send books one by one. When the feeding of the tubular body is completed (S27), the elevating cradle 5 descends (S28) and stops at the home station, which is the standby position of the elevating cradle 5 (S29), thereby completing the warehousing operation. If the warehousing operation is to be continued, the warehousing operation start command is issued again.

When performing the unloading operation of pipes, when a command to start the unloading operation is issued, it is first determined whether or not the pipe is being stored (S30), and if the pipe is being stored, the system waits until the receiving operation is completed (S31), and then the process is completed. Start the post-delivery operation. If the warehouse is not in storage, the unloading operation is started, and the elevating body 7 rises with the unloading pallet 18 placed thereon (S32).
In parallel with this, the traveling cart 2, which was waiting at the tube loading station, travels to the tube loading/unloading station and stops (S33). The ascending elevating body 7 stops at the top of the rack shelf address specified at the start of the unloading operation (S34), and when the designated number of bottles has been delivered one by one using the delivery means at the exit of the rack shelf 3, it is moved to other rack shelves. It is determined whether the address is still reserved (S36), and if it is reserved, the elevating body 7 descends to the next specified rack shelf address and stops (S37).
Dispense the specified number of books using the delivery means at the rack shelf 3 exit (S35). When there are no more reservations for other rack shelf addresses, the elevating body 7 descends (S38), stops at the pipe loading/unloading station where the traveling trolley 2 is waiting, and loads the transport pallet 18 onto the traveling trolley 2. place (S39). The transfer means 6 is rotated forward (S40), the chain conveyor 16 of the traveling trolley 2 is rotated forward (S41), and the unloading pallet 18 loaded with tubes on the elevating body 7 is moved onto the transfer means 6 and temporarily Deposit (S42). Stop the rotation of the transfer means 6 (S43),
The rotation of the chain conveyor 16 of the traveling trolley 2 is stopped (S44). When the elevating body 7 rises (S45) and stops at the home station (S46), the chain conveyor 16 of the traveling trolley 2 rotates in the opposite direction (S47), and the transfer means 6 rotates in the reverse direction (S48). The carrying-out pallet 18 that has been moved upward is moved onto the traveling carriage 2 (S49), the rotation of the chain conveyor 16 of the traveling carriage 2 is stopped (S50), and the rotation of the transfer means 6 is also stopped (S51). When the traveling trolley 2 loads the tubes and travels to the tube loading station and stops (S52), the worker ties the tubes together (S53).
When the tube is unloaded by the crane 8 (S54) and the travel push button switch of the traveling trolley 2 is turned on (S55), the traveling trolley travels to the tube loading/unloading station and stops (S56). The transfer means 6 is rotated forward (S57), the chain conveyor 16 of the traveling trolley 2 is rotated forward (S58), and the unloading pallet 18 on the traveling trolley 2 is moved onto the transport means 6 and temporarily deposited (S59). , the rotation of the transfer means 6 is stopped (S60), and the rotation of the chain conveyor 16 of the traveling trolley 2 is stopped (S61). When the elevating body 7 descends (S62) and stops at the pipe loading/unloading station where the traveling trolley 2 is waiting (S63), the chain conveyor 16 of the traveling trolley 2 rotates in the opposite direction (S64), and the transfer means 6 also rotates in the opposite direction. (S65),
When the carrying-out pallet 18 is moved onto the elevating body 7 (S66), the rotation of the chain conveyor 16 of the traveling trolley 2 is stopped (S67), and the rotation of the transfer means 6 is also stopped (S68). The elevating body 7 rises with the unloading pallet 18 loaded thereon (S69), stops at the home station (S70), and the traveling trolley 2 travels to the pipe loading station, which is a standby position, and stops (S71). Finish the shipping operation. If you wish to continue unloading, issue the unloading operation start command again.

Although the above embodiment shows an example in which two pallets 18 are used for carrying out and taking out pipes in order to improve the efficiency of carrying in and out, one pallet may be used for carrying in and out.

[Effects of the Invention] According to the present invention, a pallet for loading and unloading pipes loaded with a plurality of pipes is transported between the lifting cradle, the lifting body, and the loading/unloading point of the pipes via the transfer means and the traveling truck. Since it is made movable, it is possible to share the transport route and the transport route for the pipe body, and it is possible to save space when installing the apparatus. In addition, by utilizing pallets, it is possible to store and unload a plurality of pipes at once, which has the advantage that pipes can be efficiently stored and unloaded in places where pipes of the same type are handled in bulk.

[Brief explanation of the drawing]

Fig. 1 is a schematic front view of the device of the present invention, Fig. 2 is a left side view of Fig. 1, Fig. 3 is a diagram explaining the arrangement of the device of the present invention, Fig. 4 is a front view of the traveling truck, The figure is a right side view of Fig. 4, Fig. 6 is an explanatory view of the feeding means of the elevating cradle, Fig. 7 is an explanatory view of the rack shelf exit side, and Fig. 8 is a cross-sectional view taken along the line A-A of Fig. 7. ,
FIG. 9 is a block diagram of the control means of the apparatus of the present invention, and FIG. 10 is a flowchart showing the warehousing program stored in the memory of the warehousing/unloading control means.
FIG. 1 is a flowchart showing the shipping program. DESCRIPTION OF SYMBOLS 1... Tube storage means, 2... Traveling trolley, 3... Rack shelf, 4... Storage rack, 5... Ascending cradle, 6...
Transfer means, 7...Elevating body.

Claims (1)

[Claims] 1. Prepare a pallet for loading and unloading pipes that can load a plurality of pipes as a means of transporting pipes, and install a pipe storage rack with an appropriate number of rack shelves above and below, and An elevating cradle is installed on the side for lifting the tubes loaded on the pallet and discharging them to a predetermined rack shelf, and a pallet is installed on the exit side of the storage rack to receive the tubes discharged from the rack shelf. At the same time, a transfer means for reciprocating the pallets is provided between the lowering position of the lifting cradle at the bottom of the rack shelf and the lowering position of the lifting body, and a chain conveyor for transferring the pallets is installed at the upper part. A traveling trolley is provided to move the pallet back and forth between the elevating body side of the transfer means and the loading/unloading point of the tubular body, and the pallet is further transported between the elevating cradle, the elevating body, and the loading/unloading point of the tubular body. A tube storage device characterized by comprising a control means for movably controlling the tube body.