JPS6156133B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention includes a guide route for a moving body for conveyance and a guide route for a pusher that propels the moving body for conveyance. Concerning a conveyance device that is provided with a guide route that serves both as an entry and exit, which accepts and guides both the transporting moving body and the transporting moving body during unloading work from separate approach routes, The purpose is to be able to perform tasks in a well-balanced and efficient manner.

An embodiment of the present invention will be described below based on illustrative drawings. In FIG. 1, 1 is a conveyance moving body that performs warehousing work, 2 is a conveyance mobile body that performs warehousing work, and both of them are guides. A pair of front and rear hanging trolleys 4, 5 movably engaged with the rail 3
They are of the same structure with Reference numeral 6 is an incoming pusher, and 7 is an outgoing pusher.
A driving chain 9 guided by a guide rail 8,
They are attached alternately at equal intervals, and by backing up the front trolleys 4 of the conveyance movable bodies 1 and 2, the conveyance movable bodies 1 and 2 are propelled along the guide rails 3. As shown in FIGS. 2 and 3, the pushers 6 and 7 are connected to a bearing member 12 that projects downward from the guide rail from a chain link 11 that pivotally supports a horizontal roller 10 of a chain 9. The head of the pin 13 serves as a cam 14 for operating a limit switch, and the position of the cam 14 is determined by the pushers 6 and 7 for entering and exiting. Pin 13 is used so that the left and right sides are reversed. In FIGS. 1 and 3, reference numeral 14a indicates a cam for operating a limit switch with the left and right positions reversed.

In FIG. 4, reference numeral 15 denotes an endless main guide path for entering and exiting the warehouse, and is composed of guide rails 3. Reference numeral 16 denotes a pusher movement path provided in an endless manner along this main guide path 15, and is composed of guide rails 8.
Reference numeral 17 indicates an entry route for warehousing, 18 and 19 indicate an exit route for warehousing, 20 indicates an exit route, 21 and 22 indicate an approach route for exit, 23 indicates a preliminary approach route for warehousing, and 24 indicates a preliminary output route for exit. , each of which is composed of a guide rail 3, and each delivery route 18 to 20, 24.
A route switching means 2 is provided at the branch point between the main guide route 15 and the main guide route 15.
5 to 28 are provided. 29, 30 are different locations with different heights and the routes 17, 20, 23, 2
This is a vertical conveyance device for transferring the conveyance moving bodies 1 and 2 between the conveyance bodies 1 and 4. Reference numerals 31 to 34 designate conveyance movable body stoppers provided at the tips of the conveyance movable body storage areas of each route, and when the stoppers are released, the first conveyance movable bodies 1 and 2 stored are moved to the main guide route. 15.

Position a in front of each branch junction on the main guide route 15
-h, the cams 14 of the pushers 6 and 7 moving on the pusher movement path 16 as shown in FIG.
A pair of limit switches 35 and 36 are provided which are operated by the pusher 14a to determine whether a passing pusher is for entering or exiting.

Next, how to use it will be explained. In FIG. 4, the entrance path 17 for warehousing is
When the limit switch 35 is kicked by the cam 14 and the warehousing pusher 6 is detected at position a, the transporting moving body 1 for warehousing work, which is sent to the storage area in front of the stopper 31 and stored before the stopper 31, is moved to the main position by releasing the stopper 31. It is fed into the guide route 15, taken over by the detected warehousing pusher 6, and propelled on the main guide route 15. When the transportation vehicle 1 for warehousing work that moves on the main guide route 15 in this way reaches the c position or e position corresponding to the delivery route 18 or 19 of the preset destination, the transportation vehicle 1 moves on the main guide path 15. When the limit switch 35 detects the pusher 6 pushing up the pusher 1 through the cam 14, the route switching means 25 or 26 which operates in conjunction with the pusher 6 is automatically branched to the preset delivery route 18 or 19 for warehousing. Ru.

On the other hand, for the unloading work, the unloading approach route 21,
22, the transporting movable body 2 is temporarily stored in front of the stoppers 32, 33, and the stoppers 32, 33 are released when the limit switch 36 detects the unloading pusher 7 via the cam 14a at the d and f positions. By doing so, it is automatically fed into the main guide route 15, passed on to the unloading pusher 7, and propelled along the main guide route 15. Of course, when the unloading pusher 7 detected at the d and f positions is already pushing the conveyance moving body 2, the stopper 3
The release operations 2 and 33 are not performed.

When the pusher 7 that backs up the conveyance vehicle 2 for unloading work reaches the g position and the limit switch 36 detects this pusher 7, the route switching means 27 is activated and the conveyance vehicle 2 is moved to the main guide path 15. From there, it is sent out to the shipping route 20 for shipping.
When there is no room for the conveyance moving body 2 in the unloading delivery path 20, the conveyance movable body 2 can be circulated in the main guide path 15 until there is room for the conveyance moving body 2. Similarly, the delivery route 18 for warehousing,
19 does not have enough room to receive the conveyance movable body 1, the conveyance movable body 1 can be circulated in the main guide path 15 until there is room for the conveyance movable body 1. Of course, in this case, when the warehousing pusher 6 detected at position a is already pushing back the conveyance moving body 1, the stopper 31 is not released.

As explained in the above embodiment, according to the loading/unloading conveyance device of the present invention, pushers moving along the same route are alternately identified as loading and unloading pushers, so as shown in FIG. During the warehousing operation (or during the warehousing operation), it is possible to alternately propel both the transporting mobile body 1 during the warehousing operation and the transporting mobile body 2 during the warehousing operation in a well-balanced manner in one main guide route. Therefore, shipping work (or stocking work)
This eliminates the inconvenience of not being able to perform tasks, and all tasks can be performed efficiently.

Of course, during times when warehousing work is intensively carried out, the preliminary approach path 23 for warehousing is also used to bring in the transportation vehicle 1 for warehousing work, and
It is also possible to release the stoppers 31 and 34 with the detection operation of the pushers 6 or 7 at the position and the h position, so that all the pushers 6 and 7 can propel the transportation vehicle 1 for the warehousing operation. During times when unloading work is intensively carried out, the preliminary unloading route 24
Also, as above, all pushers 6 and 7
It is also possible to carry out work such that the conveyance moving body 2 is propelled from the unloading entry routes 21 and 22 and is unloaded from the two delivery routes 20 and 24.

In order to rationally carry out the above-mentioned loading/unloading transport work using the device of the present invention, it is necessary to
The pusher 6 is moved at a time interval that is half the time interval of the transporting mobile body 1 sent to the pusher 7 (and the time interval of the transporting mobile body 2 when being sent to the next stage on the unloading delivery path 20). , 7 are preferably configured to move. For example, if the vertical conveyance devices 29 and 30 vertically convey the conveyance moving bodies 1 and 2 at intervals of 20 seconds, the interval and drive speed of the pushers 6 and 7 are set so that the time interval is 10 seconds. By doing so, wasteful waiting time of the conveyance movable bodies 1 and 2 can be eliminated and work can be carried out with extremely high efficiency.

Note that the method of distinguishing and specifying pushers for storage and delivery is not limited to the method described in the embodiment. Furthermore, it is not necessary to fix each pusher to be used only for warehousing and for warehousing, but instead, the transporting mobile body during warehousing work and the transporting mobile body during unloading work can be alternately propelled on the main guide route. Just do it.

[Brief explanation of the drawing]

FIG. 1 is a side view showing the driving state of the conveyance moving body, FIG. 2 is a partially cutaway side view showing the pusher portion, and FIG. 3 is a longitudinal sectional front view showing the pusher portion.
FIG. 4 is a plan view showing the overall layout, and FIG. 5 is a plan view showing the pusher detection portion. DESCRIPTION OF SYMBOLS 1, 2...Moving body for conveyance, 6... Pusher for warehousing, 7... Pusher for exiting, 9... Drive chain, 14, 14a... Cam for limit switch operation, 15... Main guide path, 16... ...Pusher movement route, 17...Entry route for warehousing, 18, 19
... Delivery route for warehousing, 20... Delivery route for delivery,
21, 22... Entrance route for exit, 25-28...
Route switching means, 29, 30...Vertical conveyance device, 3
1 to 34...stopper, 35, 36...limit switch for pusher detection.

Claims (1)

[Claims] 1. A main guide route for the transportation vehicle to enter and exit the warehouse, a path for a pusher for propelling the transportation vehicle that moves at regular intervals along this main guide route, and a path for the transportation vehicle to enter and merge with the main guide route. A warehousing/receiving conveyance device comprising a warehousing and warehousing approach path for causing a warehousing and a warehousing, and a warehousing and warehousing delivery path for sending and branching a conveying moving body from the main guide path, It is characterized by alternately identifying and specifying a warehousing pusher that takes over and propels a transport vehicle that enters from the approach route, and an exit pusher that takes over and propels a transport vehicle that enters from the exit approach route. Transport device for loading and unloading.