JP2000044010A - Automatic warehouse system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To utilize the space efficiently and to improve the productivity by allowing a cell line extendable even though a building has no room in the height, in an automatic warehouse system. SOLUTION: This system is provided with multiline and multistage automated warehouse 5, and a crane carriage 7 running in front of the warehouse 5, and a conveyer carriage 7 with height lower than the crane carriage 6 is provided movable in series in the line direction of the automated warehouse 5, while the crane carriage 6 is made movable to the position opposing to the starting position of the canveyer carriage 7, and a cell line C2 is established at the side of the running area of the conveyer carriage 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an automatic warehouse system,
In particular, the present invention relates to an automatic warehouse system in which a cell line is added in a building where the height of the automatic warehouse is not large enough to effectively utilize space and improve productivity.

[0002]

2. Description of the Related Art A conventional automatic warehouse system is, for example, shown in FIG.
A multi-row multi-stage automatic warehouse 50, a crane truck 52 running along a rail 55, and a cell line C are installed in one building 50.

[0003] Of these, the crane bogie 52 is moved up and down via a pulley 61,
The crane 53 is moved to the row or stage where the desired work is stored.
Is positioned.

A traverser 54 is attached to the crane 53. The traverser 54 moves in the row and step directions, and the work pallet 62 is
When the traverser 54 is returned, the work pallet 62 is moved into the crane 53.

[0005] Further, with respect to the crane truck rail 55, a cell line C is installed on the opposite side of the automatic warehouse 51, and the cell line C has a height adjustment position 56, a chain conveyor 57, and a single-sheet picking device 58. , A processing machine 59, and an unloading and accumulating device 60.

In this state, the crane truck 53 is moved to the height adjustment position 56 and the height of the crane 53 is positioned, so that the work pallet 62 is moved from the crane 53 to the height adjustment position 56.

[0007] Thereafter, the work pallet 62 is conveyed from the height adjustment position 56 via the chain conveyor 57 to the single-sheet pick-up device 58, where the works are taken out one by one, carried into the processing machine 59, and processed.

When the processing is completed, the work is stored in a predetermined row / stage of the automatic warehouse 51 by the reverse operation.

[0009]

[Problems to be solved by the invention]

As described above, conventionally, the work loading / unloading operation between the automatic warehouse 51 and the cell line C is performed by interposing the crane bogie 52 therebetween.

However, the crane truck 52 needs to have a height up to the top of the automatic warehouse 51, and the traveling distance of the crane truck 52 cannot be increased in a low building 50 as shown in the figure.

Therefore, it is not possible to further increase the cell line C, which hinders effective use of the space, which in turn causes a reduction in productivity.

An object of the present invention is to make it possible to increase the number of cell lines even in a building having a small height in an automatic warehouse system, thereby achieving effective use of space and improvement in productivity.

[0014]

According to the present invention, to solve the above-mentioned problems, as shown in FIGS.
It has a multi-row, multi-stage automatic warehouse 5 and a crane truck 6 running on the front surface thereof. (B) A transport cart 7 shorter than the crane truck 6 can be moved in series in the column direction of the automatic warehouse 5. And (c) the cell line C2 is added to the side of the traveling area of the transport vehicle 7 so that the crane vehicle 6 can be moved to a position opposite to the starting point of the transport vehicle 7. A warehouse system is provided.

Therefore, according to the configuration of the present invention, by providing the short transporting cart 7 for transferring the work pallets 7C in cooperation with the crane cart 6, the automatic warehouse 5 has a sufficient height. And the building 4 in which the crane truck 6 cannot be added, the cell line C2
Can be increased, so that effective use of space and improvement of productivity can be achieved.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings according to embodiments. FIG. 1 is an overall view showing an embodiment of the present invention.

In FIG. 1, a multi-row, multi-stage automatic warehouse 5 is installed in a building 4 having a small height, and a crane truck 6 runs along a rail 11 in front of the automatic warehouse 5. A cell line C1 including a height adjusting device 12, a chain conveyor 13, a single-sheet pick-up device 2, a processing machine 1, and an unloading and stacking device 3 is provided in front of the cell line C1.

A rail 8 extending leftward is laid from the end of the automatic warehouse 5, and a transport trolley 7 runs on the rail 8.

The starting point of the rail 8 for the carriage, that is, FIG.
The crane truck rail 11 is laid from the position of the carrier truck 7 shown in FIG.

With this configuration, the transfer of the work pallet 7C is performed between the carriage 7 and the crane 6 at the starting point of the rail 8 for the carriage.

The carriage 7 is shorter than the crane 6 and has a structure in which runboards 7B are attached to both sides of a frame 7A (FIG. 2). The work pallet 7 </ b> C on which the work W is placed is supported at right angles to the work pallet.

Therefore, when the work pallet 7C is to be transferred between the carriage 7 and the crane 6, the crane 6 is first moved to the starting point of the carriage rail 8 (FIG. 2).

Next, if the wire 6E wound on the pulley 6B is lowered by operating the lifter 6D (FIG. 2) of the crane truck 6, the crane 6A connected to the wire 6E is also lowered. It can be positioned at the position of the run board 7B of the short carriage 7.

Thereafter, the traverser 6C of the crane truck 6
Is moved to the run board 7B side of the transport trolley 7 (FIG. 2), the work pallet 7C can be moved to the transport trolley 7.

As shown in the figure, the rail 8 for the transport vehicle crosses a cell line rail 9 at the left end, and a cell line C2 is added at the end point of the cell line rail 9. .

The cell line C2 is composed of a single-sheet pick-up device 2, a processing machine 1, and an unloading / stacking device 3, and the single-sheet pick-up device 2 and the unloading / stacking device 3 are installed across the cell line rail 9. The processing machine 1 is installed outside the cell line rail 9 adjacent to these devices 2 and 3 (FIG. 4).

As is well known, the single-sheet pick-up device 2 has a guide rail 201 extending to an adjacent processing machine 1, and a loader 200 is mounted on the guide rail 201 so as to be able to travel. A suction pad 202 is attached to 200.

The beam frame 203 of the single-sheet picking device 2
(FIG. 4), a run board 204 is attached, and the run board 204 is arranged in parallel with the cell line rail 9 so as to support the work pallet 7C. Also, the run board 204 is a retractable cylinder 2
05, when the self-propelled lifter 10 passes the work pallet 7C to the single-sheet pick-up device 2, the run board 204 retreats to the side, so that there is no obstacle to the vertical movement of the self-propelled lifter 10. ing.

That is, when the self-propelled lifter 10 described later receives the work pallet 7C from the carrier 7 (FIG. 3), the run board 204 of the single-sheet pick-up device 2 is kept in a retracted state. In this state, when the self-propelled lifter 10 travels on the cell line rail 9 and reaches the single-sheet pick-up device 2, the run board 204 is returned after raising the base plate 10A, and By lowering the plate 10A, the work pallet 7C on the base plate 10A is placed on the run board 204 of the single-sheet pick-up device 2.

As a result, the work pallets 7C are supported by the run board 204, and the works W on the work pallets 7C are taken out one by one by the suction pads 202 and carried into the processing machine 1.

The unloading and accumulating apparatus 3 also has a guide rail 301 extending to the adjacent processing machine 1. An unloader 300 is movably mounted on the guide rail 301, and the unloader clamp 3 is mounted on the unloader 300.
02 is attached.

The beam frame 303 of the unloading and stacking device 3
(FIG. 4), a run board 304 is also attached. The run board 304 is arranged in parallel with the cell line rail 9 and supports the work pallet 7C. This run board 304 is a pillar frame 303.
May be fixed.

That is, the workpiece W as a product processed by the processing machine 1 described later (FIG. 4)
2 and moves to the run board 304 side to be accumulated on the work pallet 7C supported by the run board 7B.

When all the processes have been completed, the self-propelled lifter 10 waiting below the run board 304 of the unloading and stacking device 3 raises its base plate 10A, whereby the work W is stacked. The self-propelled lifter 10 receives the work pallet 7C, travels on the cell line rail 9 toward the transport trolley 7, and transfers the work pallet 7C to the transport trolley 7.

The processing machine 1 is, for example, a turret punch press.
6 and a punch D and a die D arranged concentrically on the lower turret 107.
Is punched, and the work W is punched in cooperation with the punch P and the die D.

The turret punch press 1 has a front table 104 and side tables 103 on both sides thereof. The carriage base 102 is moved in the Y-axis direction by a Y-axis motor My, and the carriage base is moved by an X-axis motor Mx. A carriage 101 moves in the X-axis direction along a base 102, and a clamp 100 is attached to the carriage 101.

With this configuration, the turret punch press 1
The clamp 100 grips the work W carried in by the single-sheet pick-up device 2 or the work W carried out by the unloading and stacking device 3 and positions it at a predetermined position.

On the other hand, on the cell line rail 9,
The self-propelled lifter 10 travels, and the self-propelled lifter 10 transfers a work pallet 7C to both the carrier 7 and the cell line C2.

The self-propelled lifter 10 has a base plate 10A and a pantograph mechanism 10B (FIGS. 1, 3, and 4), and the base plate 10A can be moved up and down by the pantograph mechanism 10B.

With this configuration, for example, the self-propelled lifter 1
0 means that the base plate 10A has been lowered in advance (see FIG. 3).
(A)), rails 8 for transport vehicles and rails 9 for cell lines
Approaching the intersection K, and enter below the run board 7B of the carrier 7 waiting at the intersection K.

Then, the self-propelled lifter 10 is moved below the run board 7B while the base plate 10A is raised (FIG. 3 (B)).
The work pallet 7C supported by B moves.

Therefore, the self-propelled lifter 10 includes a base plate 10A.
When the vehicle is run on the cell line rail 9 in the opposite direction with the cell rail raised (FIG. 3C), the cell line rail 9
Can be returned to the cell line C2 set at the end point of.

Further, the self-propelled lifter 10 returning to the cell line C2, with its base plate 10A lowered (FIG. 4), passes under the run board 304 of the unloading and stacking device 3 in the front and then moves backward. And enters the lower part of the run board 204 of the single sheet take-up device 2 and stops.

Thereafter, as described above (FIG. 4), the self-propelled lifter 10 moves the work pallet between the single-sheet pick-up device 2 and the unloading / stacking device 3 by moving the base plate 10A up and down. 7C is delivered.

That is, the delivery of the work pallet 7C is carried out between the tall crane truck 6 and the short carrier truck 7.
Due to the movement of the crane 6A and the traverser 6C, between the short carriages 7 and the cell line C2,
The self-propelled lifter 10 reciprocating on the cell line rail 9 moves the base plate 10A up and down, respectively.

Hereinafter, the operation of the present invention having the above configuration will be described.

(1) The work pallet 7C is stored in the automatic warehouse 5
Out of the process line and transported to the cell line C2 until the workpiece W is loaded into the processing machine 1.

(1) -A Operation until the work pallet 7C is transferred to the transport carriage 7. First, the crane truck 6 and the crane 6A are moved to the row / stage where the desired work W is stored, and the traverser 6C is moved in the shelf direction, so that the hook is moved to the corresponding work pallet 7.
When the traverser 6C is returned after being engaged with C, the work pallet 7C moves onto the crane 6A.

Next, the crane truck 6 on which the work pallet 7C is placed is moved on the crane truck rail 11 and stopped at the starting point of the transport truck rail 8 (FIG. 2).

At the starting point of the rail 8 for the carriage, the carriage 7 is on standby in advance (FIG. 2). If the crane 6A of the crane 6 is lowered, the work pallet 7C is
The carrier 7 is positioned at a position facing the run board 7B.

Therefore, the traverser 6C is connected to the run board 7B.
Side, the work pallet 7C is
Transfer to

Thus, the desired work pallet 7C
Was transferred to the carrier 7.

(1) -B Operation until the work pallet 7C is transferred to the self-propelled lifter 10. Next, the transport trolley 7 on which the work pallet 7C is placed moves on the rail 8 for the transport trolley at the intersection K with the rail 9 for the cell line.
Move to and wait there.

In this state, the self-propelled lifter 10 descending from the base plate 10A (FIG. 3 (A)) is moved on the cell line rail 9 and moved to the intersection K, whereby the run board of the transport vehicle 7 is moved. Enter below 7B.

When the base plate 10A is raised (FIG. 3)
(B)), the work pallet 7C floats from the run board 7B and moves onto the base plate 10A.

As a result, the work pallet 7C was transferred to the self-propelled lifter 10.

(1) -C The operation from the transfer of the work pallet 7C from the self-propelled lifter 10 to the single-sheet pick-up device 2, the removal of the work W from the work pallet 7C and the transfer of the work W to the processing machine 1.

Next, the self-propelled lifter 10 is mounted on the base plate 10A.
In the state in which the is lifted, the vehicle runs on the cell line rail 9 in the opposite direction (FIG. 3 (C)), moves to its end point, and runs the single-sheet pick-up device 2 straddling the cell line rail 9. It enters below the board 204 (FIG. 4) and waits.

In this case, the self-propelled lifter 10 that has reached the end point of the cell line rail 9 is still receiving the work pallet 7C from the carriage 7 at the previous intersection K (FIG. 3C). ), The base plate 10A protrudes above the run boards 304 and 204 of the unloading and stacking device 3 and the single-sheet pick-up device 2 (FIG. 4).

Therefore, the self-propelled lifter 10 lowers the base plate 10A immediately before the end point (FIG. 4) by operating the pantograph mechanism 10B and retracts the run board 204 of the single-sheet pick-up device 2. After passing under the run board 304 of the unloading and stacking device 3 in this state, it enters below the run board 204 of the single-sheet collecting device 2 and stops.

Then, the self-propelled lifter 10 is again mounted on the base plate 1.
After slightly raising 0A, the run board 204 is returned,
Next, when the base plate 10A is lowered, the work pallet 7C of the base plate 10A is placed on the run board 204 of the single-sheet pick-up device 2. The run board 304 of the unloading and stacking device 3
When there is no work pallet 7C, the self-propelled lifter 10
With the base plate 10A being raised, it is allowed to enter the run board 204 of the single-sheet take-up device 2 and the base plate 10A is lowered,
The work pallet 7C is placed on the run board 204.

As a result, the work pallet 7C has been transferred to the single-sheet pick-up device 2, and thereafter, the work W is transferred from the work pallet 7C on the run board 204 by the suction pad 202 of the single-sheet pick-up device 2. Each sheet is taken out and carried into the processing machine 1.

(2) Processing of the work W The work W carried into the processing machine 1 is gripped by the clamp 100, is positioned at the processing position by the carriage 101 and the carriage base 102, and operates the ram cylinder 105 to cooperate with the punch P and the die D. The work W is punched.

When the processing is completed, the workpiece W as a product
Is held by the unloader clamp 302 of the unloading and accumulating apparatus 3 and moves onto the unloading work pallet 7C supported by the run board 304 of the unloading and accumulating apparatus 3, where it is released and stacked.

In the meantime, the self-propelled lifter 10 having passed the work pallet 7C to the single-sheet pick-up device 2 moves the run board 304 of the unloading and collecting device 3 from the single-sheet pick-up device 2 with the base plate 10A further lowered. Move down and wait there.

(3) Operation until the work pallet 7C on which the work W as the processed product is placed is transported from the cell line C2 and stored in the automatic warehouse 5.

When all processing is completed, the unloading and stacking device 3
The self-propelled lifter 10 waiting below the base plate 1
By raising 0A, the work pallet 7C supported by the run board 304 of the unloading and stacking device 3 is moved to the base plate 10A.

After that, the self-propelled lifter 10 travels on the cell line rail 9 in the direction of the intersection K with the carrier rail 8, and the work pallet 7C on which the processed work W is placed is processed. Work pallet 7 with previous work W
C is transported along a path completely opposite to that when it was transported (for example, FIG. 3), and is thus stored in a predetermined empty space of the automatic warehouse 5 in FIG.

The rail 11 for the crane truck shown in FIG.
Cell line C1 installed in front of
The transfer operation of the work pallet 7C during the transfer is performed in a conventional manner (FIG. 5).
The description is omitted because it is completely the same. Further, the cell line C shown in FIG.
Modifications such as installing the same cell line as 1 instead of C2 are also conceivable.

[0070]

As described above, according to the present invention, a transport cart shorter than a crane cart is provided so as to be movable in series in the row direction of the automatic warehouse, and the crane cart can be moved to a position facing the transport cart. As a result, the short carrier truck cooperates with the crane truck to carry out the work pallet transfer operation. Since the cell lines can be added to the side of the bogie, the technical effect of effective use of space and improvement of productivity has been achieved.

[0071]

[Brief description of the drawings]

FIG. 1 is an overall view showing an embodiment of the present invention.

FIG. 2 shows a crane truck 6 and a transport truck 7 constituting the present invention.
FIG.

FIG. 3 is a perspective view of a transport vehicle 7 and a self-propelled lifter 1 according to the present invention.
It is a figure showing the relation of 0.

FIG. 4 is a diagram showing a relationship between a self-propelled lifter 10 and a cell line C2 constituting the present invention.

FIG. 5 is an explanatory diagram of a conventional technique.

[Description of Signs] 1 Processing machine 2 Single-sheet picking device 204 Run board of single-sheet picking device 2 3 Unloading / stacking device 304 Runboard of unloading / stacking device 3 4 Building 5 Automated warehouse 6 Crane cart 7 Carriage cart 7B Carriage cart 7 Run board 7C Work pallet 8 Rail for transport trolley 9 Rail for cell line 10 Self-propelled lifter 11 Rail for crane trolley W Work C2 Cell line

Claims (6)

[Claims] 1. A multi-row, multi-stage automatic warehouse, and a crane truck running in front of the warehouse, and a transport cart shorter than the crane cart is provided so as to be movable in series in the column direction of the automatic warehouse. An automatic warehouse system wherein the crane truck is movable to a position opposed to a starting point of the carrier truck, and cell lines are added to the side of the traveling area of the carrier truck. 2. A cell line rail intersects with the rail on which the carrier truck travels, and a cell line including a single-sheet picking-up device, a processing machine, and an unloading and stacking device is added at an end point of the cell line rail. A self-propelled lifter that transfers a work pallet to both the cell line and the transport trolley travels on a cell line rail, and the self-propelled lifter raises and lowers a base plate on which the work pallet is placed by a pantograph mechanism. The automatic warehouse system according to claim 1, which is operated. 3. A single-sheet pick-up device and an unloading and stacking device of the cell line are installed so as to straddle a cell line rail, and a processing machine is disposed outside the cell line rail adjacent to these devices. The automatic warehouse system according to claim 1, which is installed. 4. At the starting point of the rail for the transport truck, between the crane truck and the transport truck, and at the intersection of the rail for the transport truck and the rail for the cell line, between the transport truck and the self-propelled lifter, 2. The automatic warehouse system according to claim 1, wherein work pallets are transferred between the self-propelled lifter and the cell line at an end point of the cell line rail. 5. The transfer cart has a run board for supporting a work pallet, and the crane and the traverser move toward the run board between the carrier and the crane cart, and the run board is connected to the self-propelled lifter. 2. The automatic warehousing system according to claim 1, wherein the work pallets are respectively delivered by the approach of the self-propelled lifter below and the vertical movement of the base plate. 6. The single-sheet picking-up device and the unloading and stacking device constituting the cell line each have a run board, and between the self-propelled lifter and the self-propelled lifter below the run board. 2. The automatic warehouse system according to claim 1, wherein a work pallet is delivered by moving the base plate up and down.