JPH0825642B2 - Steel plate material removal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to a steel plate material unloading device.

(B) Conventional Technology Conventionally, as an apparatus having a three-dimensional storage of this kind of material and a function of feeding one material 1 sheet, there is a combination of a sheet feeder and a vertical multistage material storage as shown in FIG. It has been put to practical use.

To explain with reference to the figure, 13 is a pallet-type material pallet (sheet pallet) D ₁ , D ₂ ... in which a number of different types of steel plate materials (sheets) d ₁ , d ₂ ... A material storage housed in shelves 2 ', 2' ... A stacker 1'which is vertically moved up and down along the material storage shelves 2 ', 2' ... with the front and vertical direction of the material storage 13 as a passage is provided. ing. This stacker 1'is located at the position corresponding to the storage shelves 2 ', 2' ...
By the material pallet and out device 14 provided in the stacker 1 'descends causing transfer pull the material pallet D _4, (picked up one by one steel plate material) sheet feeder is installed in the lower portion of the stocker 13 6 When it coincides with the lowermost material take-out shelf 2l 'opposite to, it stops. After stopping at the material pallet and out device 14 again, material pallets D ₄ in the material take-out shelves 2l 'is being transferred pushed back, then the Filling pallet D ₄ Material d ₄ is one by one sheet feeder 6 It is adsorbed by the suction cup 6a and taken out. The material d ₄ taken out is transferred to the belt conveyor 15 or the like which is sent to the processing step through the movement of the sheet feeder 6.

(C) Problems to be Solved by the Invention However, in the conventional steel plate material supplying device having such a configuration and operation, the material pallet currently being taken out by the sheet feeder is replaced with another material from another material pallet. When the material to be taken out is switched, the material pallet for which the stacking has been completed is returned to the predetermined material storage shelf, and a waiting time occurs in the sheet feeder until the material pallet to be newly stacked is brought from the material storage shelf. Further, the stacker cannot perform the next material switching operation while the sheet feeder is destacking. Other,
It requires a pallet type material pallet and a stacker is equipped with a pallet loading / unloading device, which makes the structure complicated. As described above, it is difficult to change the material inefficiently and quickly.

The present invention has been made in view of the above points, and is a low-cost, compact steel plate material unloading system that enables various steel plate materials to be fed while rapidly switching between types, enabling continuous material removal. The purpose is to provide a device.

(D) Means for Solving the Problems The steel plate material unloading device of the present invention is a vertically multi-tiered material storage shelf that is composed of a conveyor for loading and unloading a material pallet at each level, and ascends and descends along this storage shelf. However, the stacker has a conveyor for taking out and storing the material pallets from the storage shelf, and the material pallets taken out by the stacker are stored in a plurality and are formed in such a length that they can be transferred backward one after another. The upper conveyer and the material pallet sent to it are taken out, the material is taken out by the sheet feeder provided above it, and the descending lifter and the material pallet received from this lowered lifter are forwarded to the upper conveyor. A lower conveyor that transfers the material to a stacker that is standing by descending from the material supply position,
By these stackers, upper and lower conveyors, and lifters, a transport reciprocating path formed so that the material pallet is circulated and conveyed, and a group of material pallets circulate in this transport reciprocating path so that the material is continuously fed by the sheet feeder. A control means for driving and controlling the stacker, the upper and lower conveyors and the lifter is provided separately from the independent operation of the sheet feeder so that the sheet can be taken out.

(E) Work Stacker, upper transport device, lifter, lower transport device circulate various materials in this order and feed the materials under the sheet feeder. This enables continuous extraction of various materials.

The upper and lower conveyors and the lifter serve as a reserve section for multiple material pallets, and the stacker is moved up and down independently of the sheet feeder to return to the shelf of the material pallet that has completed destacking and from the shelf of the next material pallet. The material to be taken out can be replaced quickly.

By repeating this operation, it is possible to efficiently replace all the circulating materials with another material group. Since the stacker can store and take out the materials freely on any shelf, the materials can be fed in any combination, and the order of assembling the product type using the material steel plate can be satisfied.

(F) Example An example of the present invention will be described below with reference to the drawings. It should be noted that the same or equivalent components in the related art are denoted by the same reference numerals.

First, referring to FIG. 1 showing the first embodiment, a material storage shelf
The material pallets A ₁ , A ₂ ... accommodated in 2, ₂ ... are simply boards unlike the conventional trolley type. For that reason,
Each of the material storage shelves 2, 2 ... Has a conveyor structure, which allows the material pallets A ₁ , A _2, ... To be moved in and out of the storage shelves 2, 2. On the other hand, the stacker 1 also has a conveyor structure, and when the stacker 1 moves up and down to coincide with the storage shelf 2 to be taken out, the conveyor of the stacker 1 and the storage shelves 2, 2 ... Concurrently drive. The material pallets A ₁ , A ₂ ... are transferred to the stacker 1.

By the way, below the lowermost storage shelf 2, two upper and lower conveyors 3 and 4 are installed. The conveyors 3 and 4 are long enough to load a plurality of material pallets, and the conveying direction thereof. Are opposite to each other. That is, when the material pallet to be taken out is placed on the stacker 1, the stacker 1 is stopped at a position corresponding to the upper conveyor 3. After the stop, the conveyor of this stacker 1 operates and the conveyor 3 of this upper stage
The material pallet is moved to the rear as shown by the arrow (the group of material pallets taken out in the figure is
b ₁ , b ₂ , b ₃ and b ₄ shown). On the side facing the stacker 1 with the conveyors 3 and 4 interposed therebetween, there are provided vertically movable lifters 5 that stop at positions corresponding to the conveyors 3 and 4, and the lifter 5 also It has a conveyor structure. Therefore, the material pallet b ₂ is transferred from the conveyor 3 to the lifter 5 at the upper stop position shown by the solid line in FIG.

Sheet feeder 6 is provided above the same lifter 5 is a single steel plate material b ₂ from the material pallet B ₂ in that suction cups 6a
When it is adsorbed, it is moved to a place away from the lifter 5 by a carriage 12 that moves on a rail 11 and is transferred to a conveyance section 9 in the next step. When one or a required number of materials have been taken out, that is, the stacking has been completed, the lifter 5 descends and stops at a position corresponding to the lower conveyor 4, and the conveyor is driven again to be transferred to the lower conveyor 4. Then, the moved material pallet B ₁ is sent back in the direction shown by the arrow. On the other hand, at the transfer end, the stacker 1 is already waiting for lowering, and the material pallet B _{1 for} which destacking has been completed is placed on it, and it moves up a little, stops corresponding to the upper conveyor 3, and is transferred to it again. Let That is, the material pallet is stacker 1 → upper conveyor 3 → lifter 5
-> Lower conveyor 4-> Stacker 1 Transfers and circulates. In this way, stacker 1, upper and lower conveyors 3, 4,
A material pallet circulating device is constituted by the lifter 5, and a reciprocating conveyance path is formed in which a plurality of material pallets can be stored and sent. Then, a group of material pallets b ₁ , b ₂ , b ₃ , b ₄ are circulated and fed on the reciprocating conveyance path (material pallet circulating device). In such a state in which a group of materials are circulated, the upper conveyor 3 is a holding section, so that the stacker 1 independently performs the material replacement work even while the sheet feeder 6 is operating. Will be able to. By enabling the stacker 1 to operate without being constrained by the operation of the sheet feeder 6 in this way, materials are transferred under the sheet feeder 6 one after another, so that various materials can be continuously repeated in order. You can take it out. The control means 10 controls the stacker 1, the upper conveyors 3 and 4, and the lifter 5 in association with each other so that the material pallet circulating device operates properly.

With this configuration, the stacker 1 can transfer the materials for which the predetermined number of destacking has been completed from the lower conveyor 4 to the storage shelves 2, and the newly supplied materials to the upper conveyor 3 from the storage shelves 2. Since the lifter 5 that is destacked and the conveyors 3 and 4 that are in front of and behind it on the transfer path serve as a reservation unit that can store a plurality of material pallets, the stacker 1 is operated even when the sheet feeder 6 is operating. Material can be exchanged with the storage rack 2. That is, the stacker 1 rises above the lower conveyor 4 and repeats the operation of stopping in correspondence with the upper conveyor 3, whereby destacking can be performed a plurality of times. Then, when the stacker 1 moves up and down after the completion of destacking a plurality of times, it becomes an operation of exchanging with another material pallet, and the situation in which the stacker 1 moves up and down by idle transfer as in the conventional case disappears. Since unnecessary operation is prevented, it is possible to shorten the take-out time of the steel material, shorten the process time of the steel plate processing in the next process, and contribute to the improvement of production efficiency. As described above, since the sheet feeder 6 and the stacker 1 do not interfere with each other, the waiting operation is small and the supply material can be replaced quickly.

In addition, the stacker 1 returns the destacking-completed product to the storage rack 2 ... (dashed line arrow) and removes the next material from the storage rack 2 ... Good materials can be replaced. By repeating this, it is possible to replace all the materials on the upper conveyor 3, the lifter 5, and the lower conveyor 4 during one cycle. Further, the storage shelves 2 ... Can be freely stored in any of the shelves by the stacker 1 and can be taken out, so that the material supply order can be arbitrarily combined.

FIG. 2 shows another embodiment in which storage shelves are provided on both sides of the stacker 1 so that various kinds of materials can be taken out. The operation is similar to that of the first embodiment.

FIG. 3 relates to another embodiment in which the material can be loaded and unloaded from the outside and the material can be replaced in the storage or in the circulating material. That is, in this embodiment, a conveyor 7 for warehousing and a conveyor 8 for unloading are provided, and the material C ₁ to be stored is placed on the conveyor 7 and then moved to the storage shelves 2 by the stacker 1. The material to be delivered is taken out from the storage shelves 2 by the stacker 1 and then transferred to the conveyor 8. Of course, the upper and lower conveyors do not go through the storage shelves 2 ...
It is also possible to transfer material between 3,4 and conveyors 7,8.

In FIG. 3, a group of materials b ₁ , b ₂ , b ₃ and b ₄ are being destacked, and the storage shelves 2 have completed the destacking of materials a ₁ , a ₂ , a ₃ and a ₄ The material that is stored. A group of materials C ₁ , C ₂ , C ₃ , C to be supplied next to the destack of b ₁ , b ₂ , b ₃ , b _4
4 is stored and materials a ₁ , a ₂ , a ₃ , a ₄ are unloaded, the material b ₁ , b ₂ , b ₃ , b ₄ and the next material C ₁ ,
The replacement of C ₂ , C ₃ and C ₄ can be done smoothly in order. Furthermore, by repeating this, new materials can be supplied one after another.

(G) Effect of the Invention As described above, according to the present invention, the upper conveyor that connects the stacker and the lifter on the sheet feeder side can transfer a plurality of material pallets when the material pallets are sent to the sheet feeder. The stacker and the sheet feeder can operate independently without being constrained by their mutual movements because of the staying step portion. For example, in the stacker, the material replacement work can be performed even while the sheet feeder is operating. In this case, when the material pallet is again stacked on the sheet feeder, the material pallet on the lower conveyor can be transferred to the upper conveyor by the stacker, and when the stacking is not performed again, the lower pallet can be transferred. Since the material pallets on the conveyor of can be returned to the material storage shelves and the material pallets stored in the material storage shelves can be transferred, there is no empty transfer when the stacker is moved up and down, and efficient transfer is possible. Become.

Also in the sheet feeder, since the steel sheets are conveyed one after another, the sheet feeder can operate without interruption because of the waiting time or shortage of the adsorption of the steel sheet, the manufacturing process proceeds without waste, and the production efficiency is improved. Will be able to contribute to the improvement of.

The stacker and sheet feeder are not affected by the operation of the other party as in the past, but they are not restricted inefficient operation. The steel plate material take-out device is superior to the conventional device in that it can efficiently carry in and out the shelves and supply it to the production line.

[Brief description of drawings]

FIG. 1 is a schematic structural view of a steel plate material unloading apparatus of the present invention, FIG. 2 is a schematic structural view of the apparatus according to another embodiment, and FIG. 3 is a loading / unloading conveyor for material replacement. FIG. 4 is a schematic structural view of the same apparatus according to another embodiment in the case where it is caused, FIG. 4 is a schematic structural view of a conventional apparatus, (a) is a front view, and (b) is a side view. 1 ... Stacker with conveyor, 2 ... Material storage shelf consisting of conveyor, 3 ... Upper conveyor, 4 ... Lower conveyor, 5 ... Lifter, 6 ... Sheet feeder,
7 ... Warehousing conveyor, 8 ... Warehousing conveyor, 10 ...
Control means.

Claims (1)

[Claims] 1. A vertical multi-tiered material storage shelf consisting of a conveyor for loading and unloading a material pallet at each level, and ascending / descending along this storage shelf to take out and store the material pallet from the storage shelf. A stacker having a conveyor,
The upper tier conveyor is formed in such a length that multiple material pallets taken out by this stacker can be stored and transferred to the rear one after the other, and the material pallet sent in is received and installed above it. After the material is taken out by the sheet feeder, the lifter descends and the material pallet received from the lowered lifter is moved forward to the stacker waiting to descend from the material supply position to the upper conveyor and the lower conveyor. And these stackers,
A conveyor reciprocating path formed so that the material pallet is circulated and conveyed by upper and lower conveyors and a lifter, and a group of material pallets circulates in this conveying reciprocating path so that the material is continuously taken out by the sheet feeder. A steel sheet material unloading device comprising control means for driving and controlling the stacker, the upper and lower conveyors, and the lifter separately from the independent operation of the sheet feeder so that the sheet feeder can be operated.