JPS61211208A - Delivery method - Google Patents

Abstract

PURPOSE:To reduce an angle of inclination of a storing portion and to improve the storing efficiency by using a dolly carried in from the carry-in side of the storing portion to carry out an article at the time of carrying out the article in a storing rack having a down inclination storing portion. CONSTITUTION:In response to a delivery command, a dolly standing by on a dolly return line 30 is fed into a designated storing portion 5 from a carry-in device 15 through an entry station 10. Thus, a stored article is pushed to the carry-out side to be carried out to a delivery station 25 by a carry-out device 20. Lastly, the dolly is also carried out by the carry-out device 20, separated by a detector 21, and returned to the carry-in side 2 through the dolly return line 30. In this arrangement, an angle of inclination can be reduced, and the storing efficiency can be improved.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an unloading method for transporting items that have been carried in from the carry-in side at one end of the storage unit and stored in the storage unit from the carry-out side at the other end of the storage unit. There is thing C.

[Conventional technology]

Conventionally, storage shelves have been used in which storage units consisting of roller conveyors tilted 47 downwards toward the delivery side are arranged in multiple rows in the vertical and horizontal directions so that the items can move by themselves from the delivery side to the delivery side. , goods are stored.

[Problem that the invention attempts to solve]

By the way, as mentioned above, when the storage section is configured with a roller conveyor, a huge number of rollers are required, which not only increases material costs and installation and assembly costs, but also requires maintenance due to the fact that each storage section is crowded together. It was also difficult.

Therefore, the inventor thought of constructing the storage section with a runway as a method to avoid using a large number of rollers in the storage section.
In this case, be sure to carefully tilt the slope of the runway. Since the number of stages in the downward direction decreases, the storage efficiency will deteriorate.

The present invention has been made in view of these points, and an object of the present invention is to enable the storage section to be configured with a runway with a small inclination angle.

[Means for solving problems]

The unloading method of the first invention includes a storage section 5 comprising a runway 4 that slopes downward from an inlet side 2 for an article such as a case C made of synthetic resin toward an output side 3 for the article;
A dolly D having wheels 01 for the runway 4 of 2, the above-mentioned dolly D is carried in, and the articles in the storage section 5 are pushed to the discharge side 3 by this dolly D.

In the unloading method of the second invention, a storage section 5 consisting of a runway 4 that slopes downward from an inlet side 2 for an article such as a case C made of synthetic resin to an outlet side 3 for the article is vertically and horizontally moved. Storage shelves 1 arranged in multiple stages and rows, and this storage shelf 1
A warehousing line 11 that transports items to the loading side 2 of the storage shelf 1; An unloading device 20 for unloading the items in each storage section 5 from the unloading side 3, an unloading line 26 for transporting the items unloaded by the unloading device u20, and a loading line 26 from the unloading side 3 of the storage shelf 1 to the loading side 2. Installed dolly return line 30
and a dolly D having a wheel opening 1 for the runway 4 of the storage section 5, and was carried into each storage section 5 of the storage shelf 1 from the storage line 11 by the carrying device 15 and stored. When carrying out the goods to the unloading line 2G by the carry-out device 20, the carry-in device
D is carried in, the articles in the storage section 5 are pushed to the carry-out side 3 by the dolly D, and when the carry-out of the articles in the storage section 5 is completed, the dolly D is pushed by the carry-out device 20 into the carry-out side 3. This dolly D is carried out to the dolly return line 30.
is returned to the carry-in side 2 of the storage a1 via the dolly return line 30.

[Effect]

In the unloading method of the present invention, for example, when unloading an item in a case C shade made of synthetic resin, a dolly D is carried into the carry-in side 2 of the storage section 5, and the dolly D is used to store the goods.
This is to push the items to the discharge side 3.

〔Example〕

An embodiment of the shipping method of the present invention will be described with reference to the drawings.

In Fig. 1, 1 is a storage shelf, and this storage shelf 1 is connected to a second storage shelf.
As shown in the figure, each storage section 5 is composed of a runway 4 that slopes downward from the carry-in side 2 to the carry-out side 3, and is arranged in multiple stages in the vertical direction and in multiple rows in the horizontal direction. The runway 4 is formed by arranging a pair of parallel rails 7 between a pair of parallel side frames 6 in parallel with the side frames 6 via a large number of cross bars 8, and the rails 7 of the runway 4 are On top, synthetic resin cases C with open tops are sequentially carried in from the carry-in side 2 and stored in this state. Note that the rail 7 may be made of aluminum with a smooth surface, but it is even better to use a rail 7 that has a portion with a low coefficient of friction, such as a sill slide, on the upper part.

Reference numeral 10 denotes a warehousing station provided on the carry-in side 2 of the storage shelf 1, and a warehousing line 11 consisting of a conveyor is connected to this warehousing station 10. A product type detector 12 such as a barcode reader is provided for the storage station 10.

15 is a loading device installed between the loading side 2 of the storage shelf 1 and the storage station 10; this loading device 15 has an elevator for raising the case C; Move along the carry-in side 2.

Reference numeral 20 denotes a carry-out device provided on the carry-out side 3 of the storage shelf 1. This carry-out device 20 moves on the rail 21 along the carry-out side 3 of the storage shelf 1, with the elevator for lowering the case C moving to the right. do.

25G;tThl,i! An unloading station is installed on the unloading side 3 of the storage shelf 1 across the unloading device 20, and an unloading line 26 consisting of a conveyor is connected to the unloading station 25.
is connected. Then, the above delivery station 25
A Dolly detector 21 is provided for this.

30 is a dolly return line consisting of a conveyor, and this dolly return line 30 connects the F record unloading station 25 and the 22-person warehousing station 10.

In FIGS. 2 and 3, D is a fully bent dolly formed in the same shape as the case C, and this dolly D has a plurality of wheels D1 on the bottom. It engages on the rail 7 of the runway 4 constituting the storage section 5, and is configured to travel on each storage section 5 of the storage shelf 1 by itself.

A pair of bolts D2 are attached to the inner bottom of the dolly D.
is erected, and one or more f[s] can be attached to the pair of bolts 02 with an adjustment plate D3 using a nut 04.

Next, the operation will be explained.

In the case C, products (not shown) processed with various specifications are stored separately for each type.

Then, the cases C containing the products are transported along the warehousing line 11 to the warehousing station 10 on the carry-in side 2 of the storage shelf 1, and the type detector 12 detects the scales of the products in each case C. , the storage section 5 that stores the case C is designated, and each case C is carried into the predetermined storage section 5 by the carrying-in device 15.

Further, normally, the dolly D is waiting on the dolly return line 30 on the carry-in side 2 of the storage shelf 1.

After a predetermined number of cases C are collected in a predetermined storage section 5, a command to take out the cases C is issued.

Case C in which when the unloading command is issued, the dolly D is unloaded by the loading device 15 via the warehousing station 10.
The cases C are carried into the carry-in side 2 of a predetermined storage section 5 in which the cases C@ll are stored, and this dolly D is pushed to the exit side 3 of the case C 25, and case C is transferred to the delivery line 2G.
is transported to a predetermined location via. Finally, the dolly DtJ and the unloading device 20 move to the unloading station 2.
5, is distinguished from case C by the dolly detector 27, and is returned to the carry-in side 2 of the storage shelf 1 via the dolly return line 30.

In the case of this embodiment, when the delivery command is issued, all the cases C are removed from the predetermined storage unit 5 that stores the cases C to be delivered, and are also carried into the storage unit 5 according to the delivery command. The dolly D is also carried out without being distinguished from the case C, and the carried out dolly D is distinguished from the case C by the dolly detector 25 and returned to the carry-in side 2 of the storage shelf 1 via the dolly return line 30. Therefore, if there are hundreds of storage units 5 and several dollies D, these dollies D will circulate, so even if each storage unit 5 is issued consecutively, there will be no problem with the delivery. There is no mischief.

When the number of dollies D is increased, the predetermined storage section 5
When a predetermined number of cases C have been collected, the dolly-D can be carried into the storage section 5 before the order for discharging the case C is issued. When the case C becomes stagnant, the stagnation can be avoided by additionally carrying a dolly D into the storage section 5.

Next, the results of an experiment conducted using an empty case C (weight ε is 1.25 kg) will be explained.

In this case, if the rail 7 is made of aluminum with a smooth surface (the coefficient of static friction with the case C is about 0.35), in order for the case C to start and run on its own without the dolly D, the storage section 5 must be , a slope of about 35% is required, and if a sill slide (the coefficient of static friction with case C is about 0.2) is used on the upper surface of rail 7, case C will be lower than dolly D.
In order to start and run on its own without using the vehicle, the storage section 5 required a slope of about 25%.

In the case of a roller conveyor, case C starts and runs on a slope of about 4% or more.゛Then, in the case where a sill slide is used on the top of the rail 7,
The small claw at the back of case C is 7.1! When Dolly D of F is placed, Dolly D runs pushing one case C on a slope of 5%, and when fCiω of Dolly D reaches 30Kg, Dolly D The model runs on a slope of 5% by pushing 5 cases C. Roughly, the slope is set to 10%, and Dolly-D's application is applied for 30 minutes.
When set to K9, Dolly D moved pushing 24 cases C.

From this, if the rail 7 is made of a material that is easy to slide on the threshold, and the ffufa of Dolly-D is set to 3089, the storage section 5 with a slope of 10% can store 24 cases C. Recognize.

Let us assume that the number of cases stored in case C in storage section 5 is 24, which is the experimental result.
Considering the allowance for the number of pieces, the length of the storage part 5 is calculated as 20 pieces and assuming that the quality of case C is 300 mm.
0m, and the height difference between the loading side 2 and unloading side 3 of the storage section 5 is ' 6
000m x 10% = 600.

On the other hand, if Dolly D is not used, the storage section 5 requires a slope of approximately 25%, so the height difference between the loading side 2 and the unloading side 3 of the storage section 5 is 6000 m x 25% = 1500 m.
It becomes s+.

Therefore, if Dolly-D is used, the height difference between the loading side 2 and the loading side 3 of the storage section 5 can be reduced by 900 InIR, and if the height difference in the vertical direction of the storage section 5 is temporarily reduced to 450 InIR.
In the case of IR, two additional stages of the storage section 5 will be provided.

[Effects of the Invention] ゛As described above, according to the present invention, the storage section for storing items is constructed of a runway instead of a conventional roller conveyor, so the material cost and installation and assembly cost are reduced by 11 tons. Karazu,
The storage section can be made inexpensively and maintenance is easy, and when carrying out items stored in the storage section consisting of a runway, a wheeled dolly is carried into the loading side of the storage section. Since the articles are pushed toward the unloading side, the inclination angle of the runway can be reduced, and in the case of the second invention in which the storage section is provided in multiple stages in the vertical direction, the number of stages of the storage section can be increased,
The efficiency of storage shelves can be improved. In addition, in the case of the second invention, the dolly is carried into the storage section where the goods are taken out when the goods are taken out, and finally, after being taken out in the same way as the goods, it is stored via the dolly return line. Since the rice is returned to the loading side of the shelf, efficient rice farming work can be done with a small number of dollies.

[Brief explanation of drawings]

FIG. 1 is a layout diagram showing one embodiment of the unloading method of the present invention, and FIGS. 2 and 3 are a side view and a sectional view showing the storage section, articles, and dolly. C. Case as item, D. Dolly 11. Storage shelf, 2. Loading side, 3. Carrying out side, 4. Runway, 5
・・Storage department, 11・・Offshore line, 15・・Carrying device,
20... Carrying out device, 2G... Delivery line, 30... Dolly return line.

Claims (3)

[Claims] (1) A storage section consisting of a runway sloping downward from the loading side to the loading side of the items, and a dolly with wheels for the runway of this storage section, and loading the items into the storage section from the loading side. When unloading the stored items from the unloading side, the dolly is carried into the loading side of the storage section, and the dolly pushes the items in the storage section toward the unloading side. Method. (2) The runway is formed by arranging a pair of parallel rails parallel to the side frames between the lower parts of the pair of parallel side frames, and the wheels of the dolly are attached to each rail of the runway. Claim 1 characterized in that the dolly is run together with
The shipping method described in section. (3) A storage shelf with a storage section consisting of a runway sloping downward from the loading side of the items to the loading side of the items, arranged vertically and horizontally in multiple stages and rows, and the loading side of the storage shelf is an incoming line that conveys the goods, a carry-in device that carries the items transported by this incoming line from the carry-in side of the storage shelf to each storage section, and a carry-out device that carries out the items of each storage unit from the carry-out side of the storage shelf. and a dolly return line disposed from the carry-out side to the carry-in side of the storage shelf, and a dolly having wheels relative to the runway of the storage section. , When the carry-in device transports the stored items from the storage line to each storage section of the storage shelf and the carry-out device carries them out to the output line, The dolly is carried in by the carry-in device, the dolly pushes the items in the storage section toward the carry-out side, and when the carry-out of the articles in the storage section is completed, the dolly is returned by the carry-out device. The dolly is carried out to a dolly line, and the dolly is returned to the carry-in side of the storage shelf via the dolly return line.