JP2000061739A - Work carrying in/out system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To carry in material and carry out a product against a plurality of cutting machines by installing the cutting machines on both sides of an automatic warehouse, providing a loader/unloader reciprocating between the automatic warehouse and the cutting machine, and carrying in material and carrying out a product. SOLUTION: A work sucking means 305 is brought down by an elevatable cylinder 307 to pick up one-piece of material A and lift it, then a shuttle table 208 is moved up to under the material A, a material one-piece picking device 301 is brought down to release sucking, and the material A is placed on the shuttle table 208 to return on the automatic warehouse 2 side. Next, the material A sucked by a loader/unloader 201 from the shuttle table 208 for material to run to a cutting machine 1 side, and the material A is carried in the cutting machine 1 to be worked. Next the loader/unloader 201 sucks the worth after cutting, passes through the lowermost step of the automatic warehouse 2 to carry up to a left side blanking shear, the shearing worked product is returned by the loader/unloader 201 up to the automatic warehouse 2 to be carried out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work loading / unloading system, and more particularly to a work loading / unloading system for loading materials into a plurality of processing machines and carrying out products or skeletons processed by the plurality of processing machines.

[0002]

2. Description of the Related Art A conventional work loading / unloading system has, for example, the configuration shown in FIG. 9, and has a multi-stage work pallet storage rack 40 at the top and a ceiling from the ceiling to the table 4 of a processing machine 44 at the bottom.
The guide rails 41 extending to 5 are respectively provided.

A loader / unloader 42 is movably attached to the guide rail 41, and a hydraulic lifter 43 is installed on the floor.

With this configuration, the loader / unloader 42
By adsorbing the material by the above and traveling along the guide rail 41, the material is carried into the processing machine 44. The processed product or skeleton is
It is carried out by the unloader 42 and returned to the original position.

A conventional work loading / unloading system has a structure shown in FIG. 10, for example, and a crane carriage 51 is run in front of a multi-row multi-tier work pallet storage rack 50.
A cell line 57 composed of a single-sheet picking device 55 and a processing machine 56 is installed via a chain conveyor 54.

With this configuration, the crane 53 is moved up and down, the work pallets 52 in arbitrary rows and stages are taken out, and the crane pallet 51 conveys the work pallets 52 to the front of the chain conveyor 54, and the cell line 5 is passed through the chain conveyor 54.
Supply to 7.

The processed product or skeleton is placed on a pallet, and is accommodated in a multi-row, multi-stage work pallet accommodation rack 50 by following a route opposite to the above.

[0008]

[Problems to be Solved by the Invention]

The prior art shown in FIG. 9 can supply the material to only one processing machine 44 due to its structure, and obviously the processing efficiency is poor.

Further, in the prior art shown in FIG. 10, when many kinds of works are not required, the number of rows of the work pallet storage shelves 50 is too large and the space is wasted.

Therefore, when the number of types of works is small, if the number of rows is reduced in order to save space, the material can be supplied to only one processing machine 56 as in the case of FIG. Invite decline.

An object of the present invention is to provide a work loading / unloading system that loads materials into a plurality of processing machines and carries out products or skeletons processed by the plurality of processing machines.

[0013]

In order to solve the above problems, according to the present invention, as shown in FIGS.
The processing machines 1 and 1 ′ are installed on both sides of the automatic warehouse 2, and (B) the loader / unloader 201 that reciprocates between the automatic warehouse 2 and the processing machines 1 and 1 ′ on both sides is provided, and (C) the loader / unloader. By 201, the material is loaded into the processing machines 1 and 1'on both sides, and the processed product or skeleton is processed on both sides.
There is provided a work loading / unloading system characterized by unloading from 1 '.

Therefore, according to the configuration of the present invention, for example, the guide rail 200 extending to the processing machines 1 and 1'on both sides is provided at the bottom of the automatic warehouse 2 (FIG. 1), and the guide rail 200 also serves as a loader / unloader. By mounting 201 so that it can travel, it is possible to provide a work loading / unloading system that loads materials into a plurality of processing machines and carries out products or skeletons processed by the plurality of processing machines.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the accompanying drawings by way of embodiments. FIG. 1 is an overall view showing an embodiment of the present invention.

In FIG. 1, the work loading / unloading system has an automatic warehouse 2 and processing machines 1, 2 are provided on both sides of the automatic warehouse 2.
1'is installed.

The processing machines 1, 1'on both sides are, for example, turret punch presses having the same structure. The turret punch presses include an upper turret 106 and a lower turret 1.
07 has a punch P and a die D arranged concentrically,
By striking the punch P with the ram cylinder 105,
The material A gripped by the clamp 100 (FIG. 2) is punched.

The clamp 100 is attached to a carriage 101 which is movable in the X-axis direction.
Are side tables 1 on both sides of the front table 104.
Carriage base 10 that can move in the Y-axis direction with 03
It is attached to 2.

With this configuration, the turret punch press 1
The material A carried in from a loader / unloader 201, which will be described later, is gripped by the clamp 100, positioned at a predetermined position, and punched.

The upper part of the automatic warehouse 2 is a multi-row shelf type, and works of various sizes and materials are accumulated and stored in pallets.

A guide rail 200 extending from the ceiling to the processing machines 1 and 1'on both sides is attached to the lowermost stage of the automatic warehouse 2, and a self-propelled loader / unloader 201 runs on the guide rail 200. It is like this.

This loader / unloader 201 supports an LM guide 202, a slider 203 is slidably coupled to the LM guide 202, and a Y-axis motor My (FIG. 3 (B)).
And a ball screw 217 to move in the Y-axis direction.

The slider 203 includes the upper and lower cylinders 2.
The stretch 204 is supported via 07 and the upper and lower guides 206, and the work suction means 205 composed of a vacuum pad or an electromagnet is attached to the stretch 204.

The loader / unloader 20 having the above-mentioned structure
A material shuttle table 208, a skeleton shuttle table 209, a product pallet 210, a skeleton pallet 211, and a hydraulic lifter 212 are provided below 1 in order from top to bottom.

The material shuttle table 208 is slidably coupled to the LM guide 215 (FIGS. 1 and 3), and the material shuttle table 208 is circulated by a chain 218 (FIG. 3).
It is possible to move to the side station 3 side described later by (B)), and a scraper 208A is provided at the end thereof.
Is provided.

With this structure, when the material A is carried in, the material shuttle table 208 is temporarily adsorbed and lifted by the material single-sheet picking device 301, which will be described later, and then temporarily moved to the side station 3 side (see FIG. A)) to receive the material A and then return to the automated warehouse 2 side (Fig. 5).
(B)), and is delivered to the loader / unloader 201 (FIG. 5 (C)).

The material shuttle table 208 is
When the large product or skeleton L is carried out, it is on standby at the side station 3 side (FIG. 7C), and the large product or skeleton L is brought into contact with the scraper 208A, so that a skeleton shuttle table 209 to be described later is provided.
It is designed to be accumulated on the skeleton pallet 211 in cooperation with.

The skeleton shuttle table 20
9 is also slidably coupled to the LM guide 216 (FIG. 3), and the skeleton shuttle table 209 is movable to the side station 3 side described later by the circulating chain 219 (FIG. 3 (B)) and its upper surface. Is provided with a brush 209A for supporting the work.

With this configuration, the skeleton shuttle table 209, together with the material shuttle table 208 described above, is used when the small product S is carried out.
(FIG. 6 (A)), whereby the small products S are stacked on the product pallet 210 without being disturbed (FIG. 6 (B)).

The skeleton shuttle table 20
When the large product or skeleton L is carried out, as described above (FIG. 7), the large product or skeleton L supported by the brush 209A is transferred to the material shuttle table 2 as described above.
08 is brought into contact with the scraper 208A, and by moving only to the side station 3 side (see FIG. 7).
(C)) The large product or skeleton L is accumulated on the skeleton pallet 211.

The skeleton shuttle table 209
The run board 21 with the retracting cylinder 213A is provided below
3, a product pallet 210 is placed on the run board 214, and a skeleton pallet 211 is placed on a run board 214 below the product pallet 210.

The runboards 213 and 214 are located at the same height as the runboards 313 and 314 of the side station 3 which will be described later, and both pallets 210 and 211 can move to the side station 3 side. When unloading the product or skeleton L, the product pallet 21
0 retreats to the run board 313 of the side station 3 (FIG. 7 (B)).

Further, a hydraulic lifter 212 is provided at the bottom, and when carrying out a large product or skeleton L, the product pallet 210 has the side station 3 as described above.
To the mark that has been retracted to the side (FIG. 7B), the hydraulic lifter 212
Is configured to lift the skeleton shuttle table 209 (FIG. 7C).

An elevator 220 is provided on the side of the automated warehouse 2.
Is attached so as to be movable up and down by a drive mechanism including a motor M, a pulley 223, and a wire 222 (FIG. 2,
FIG. 3B). A traverser 221 provided with a hook for engaging with a work pallet is movable in the elevator 220 in a self-propelled manner in a direction approaching and separating from the shelves of the automated warehouse 2 and the runboards 213 and 214.

With this structure, the traverser 221 engages with the work pallets on the shelves of the automatic warehouse 2 to move the work pallets to the elevator 220 and lowers them to send them to the runboards 213 and 214.

Side stations 3 are installed in parallel in the automated warehouse 2, and the side station 3 has a single-material picking device 301 at a position substantially the same as the loader / unloader 201.

The single material taking device 301 has a stretch 304 that moves up and down by an up-and-down cylinder 307, and a work suction means 305 composed of a vacuum pad or an electromagnet is attached to the stretch 304.

Below the material single-sheet picking device 301,
A material pallet 310 and a hydraulic lifter 312 are provided in order from top to bottom.

The material pallet 310 is placed on a run board 313 with a retracting cylinder, a run board 314 is provided under the run board 313, and a hydraulic lifter 31 is provided under the run board 314.
2 are installed.

With this configuration, a large product or skeleton L
When the material pallet 310 is unloaded (FIG. 7A), the material pallet 310 is slightly lifted in advance by the hydraulic lifter 312, the run board 313 is retracted, and the hydraulic lifter 312 is contracted to move the material pallet 310 downward. Board 3
Place on top of 14.

The operation of the present invention having the above configuration will be described below.

In this case, as shown in FIG. 4A, the material A is loaded into the right processing machine 1 for processing, and the material B is loaded into the left processing machine 1'for processing. I shall.

Therefore, as shown in FIG. 4B, the pallet 310 of the material A is placed on the runboard 313 above the side station 3.

(1) Carrying in and processing the material A into the right processing machine 1 and carrying out the processed product or skeleton.

(1) -A Operation from loading of material A to processing (FIG. 5). First, by operating the upper and lower cylinders 307, the work suction means 305 of the material single-sheet picking device 301 is lowered, and one sheet of material A is picked up from the material pallet 310 below and lifted. The material shuttle table 208 moves to the bottom of the material A taken (FIG. 5A).

When the material single-sheet picking device 301 is lowered to release the suction of the material A, the material A is placed on the material shuttle table 208. Therefore, the material shuttle table 208 is automatically moved. Return to warehouse 2 side (Fig. 5
(B)).

From the material shuttle table 208 returned to the automatic warehouse 2 side, the loader / unloader 201 adsorbs the material A by the work adsorbing means 205, and travels along the guide rail 200 to the processing machine 1 side (see FIG. 5 (C)),
The material A is carried into the processing machine 1 and punched.

At this time, the material shuttle table 208
Is evacuated to the side station 3 side in preparation for the next step (FIGS. 6 and 7) (FIG. 5C).

(1) -B Unloading operation of the small product S (FIG. 6). When the small product S is carried out, the material shuttle table 2
08 and the skeleton shuttle table 209 are also retracted to the side station 3 side (see FIG. 6).
(A)).

In this state, the loader / unloader 201 holding the small product S processed on the processing machine 1 side returns to the automatic warehouse 2 side (FIG. 6 (B)), and the work suction means above the product pallet 210. When the small products S are released after lowering 205, the small products S are accumulated on the product pallet 210.

(1) -C Carrying out operation of large product or skeleton L (FIG. 7).

When carrying out a large product or skeleton L (FIG. 7A), first, the skeleton shuttle table 20.
9 is left on the automatic warehouse 2 side, and only the material shuttle table 208 is evacuated to the side station 3 side.

Next, after the material pallet 310 is slightly lifted by the hydraulic lifter 312, the runboard 313 is retracted (FIG. 7 (B)), and the hydraulic lifter 312 is contracted to open the material pallet 310. Place it on the runboard 314 below.

Then, the runboard 313 that had the material pallet 310 was restored (FIG. 7B), and the product pallet 210 on the automatic warehouse 2 side was restored to the runboard 313.
Move to.

Further, the run board 213 after the product pallet 210 has been moved is retracted (FIG. 7B), the skeleton pallet 211 is lifted by the hydraulic lifter 212, and after passing through the run board 213, it is lowered. Ranboard 213 restored from skeleton pallet 211
Place it on top (Fig. 7 (C)).

In this state, a loader / unloader 20 holding a large product or skeleton L processed on the processing machine 1 side.
1 returns to the automatic warehouse 2 side (FIG. 7C), and the work suction means 20 is placed above the skeleton shuttle table 209.
If the large product or the skeleton L is released after lowering 5, the brush 20 of the skeleton shuttle table 209
Collected on 9A.

That is, the large product or the skeleton L is not directly placed on the skeleton pallet 211, but is temporarily placed on the brush 209A of the skeleton shuttle table 209 so that the pallet 211 already accumulated. It is designed not to drag large products or skeletons L.

The skeleton shuttle table 2
09 to the side station 3 side (Fig. 7
(C)), a large product or skeleton L on the way
Is the scraper 208 of the material shuttle table 208
Since it contacts A, the skeleton shuttle table 20
Only 9 moves further.

Therefore, the large product or skeleton L naturally falls (FIG. 7C) and is accumulated on the skeleton pallet 211.

(2) Carrying in and processing the material B into the left processing machine 1 ', and carrying out the processed product or skeleton.

In this case, as shown in FIG. 4B, the pallet 310 of the material A on the side station 3 side is slightly lifted by the hydraulic lifter 312, and the run board 313 is pressed.
In the retracted state, the hydraulic lifter 312 is contracted to move the material pallet 310 to the lower run board 314 (arrow a).

After that, the runboard 313 on the side station 3 side is returned to the runboard 2 on the automatic warehouse 2 side.
The pallet 311 of the material B on 13 is moved to the restored runboard 313 (arrow b).

In this case, the material pallet 3 on the automatic warehouse 2 side
While 11 is on the runboard 213, the product pallet 210 is temporarily evacuated to a specially-provided self-propelled carriage 224 with a traverser 225 (arrow c), and as described above, the material pallet 311 is placed on the side station. After moving to the run board 313 on the 3 side, the product pallet 2
10 is put back on the run board 213 (arrow d).

(2) -A Operation from loading of material B to processing (FIG. 5). In this case, the operation is exactly the same as the operation from the loading of the material A to the processing of (1) -A described above, and the material B is replaced with the material B.

(2) -B Unloading operation of the small product S (FIG. 6). In this case as well, the operation is exactly the same as the operation of carrying out the small product S of (1) -B described above.
Small products S are accumulated on the product pallet 210 returned to the run board 213 of the automatic warehouse 2 (arrow d in FIG. 4B) (arrow d in FIG. 4B) (FIG. 6B).

(2) -C Carrying out operation of large product or skeleton L (FIG. 7). Also in this case, the operation of carrying out the large product or the skeleton L of (1) -C is exactly the same.

However, as described above (FIG. 4 (B)), since the pallet 311 of the material B has moved from the automatic warehouse 2 side onto the runboard 313 of the side station 3, in FIG. Replaces the material A with the material B and replaces the material palette 310 with the material palette 311.

The pallet 310 of the material A placed on the run board 314 under the side station 3 has already been evacuated to the floor at this point (arrow e in FIG. 4B), and the upper run. The pallet 311 of the material B placed on the board 313 can be evacuated to the run board 314 below without any trouble (FIG. 7 (A)).

(3) Operation when the same material is loaded into the processing machines 1 and 1'on both sides for processing, and the processed product or skeleton is carried out.

Unlike FIG. 4, FIG. 8 shows processing machines 1 and 2 on both sides.
An example is shown in which the same material is supplied to both 1'and the processed products or skeletons are accumulated on different pallets.

In this case, the processing machine 1 on the right side is the same turret punch press as in FIG. 4, but the processing machine 1'on the left side is used.
Is a blanking shear that shears the material with an upper blade U that moves up and down by a ram cylinder and a fixed lower blade V.

With this structure, first, the material is loaded into the right turret punch press by the loader / unloader 201 (corresponding to (1) -A described above), and then the work after machining is sucked by the loader / unloader 201. Then automated warehouse 2
Pass it through the bottom of the table and transport it to the blanking shear on the left side.

The product or skeleton that has been sheared by the blanking shear is the loader / unloader 201.
Then, it returns to the automated warehouse 2 and is carried out (corresponding to (1) -B or (1) -C described above).

In the above (3), the processing machines 1 on both sides are
If the same material is supplied to both 1's, or if both processing machines 1 and 1'process the product of the size of the original material as it is, 3 pallets are placed in the automatic warehouse 2 and the side station 3. If it is sufficient to prepare one, a self-propelled carriage 224 with a traverser 225 shown in FIG.
Can be omitted.

[0075]

As described above, according to the present invention, the processing machines are installed on both sides of the automatic warehouse, and the loader / unloader that reciprocates between the automatic warehouse and the processing machines on both sides is provided. The material is carried into the processing machines on both sides, and the processed product or skeleton is carried out from the processing machines on both sides, so that the materials are carried into a plurality of processing machines and the products processed by the plurality of processing machines. Or, the technical effect of carrying out the skeleton was brought about.

Further, according to the present invention, when the work is carried in and carried out, one means, that is, the loader and the unloader, can be shared, so that the space occupied by the whole can be made small and the whole device can be made compact. There is also.

[0077]

[Brief description of drawings]

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

FIG. 2 is a perspective view of FIG.

3 is a side view and a front view of FIG. 2. FIG.

FIG. 4 is a diagram showing an example in which different materials A and B are loaded into the processing machines 1 and 1 ′ of the present invention to be processed, and a product or a skeleton is carried out.

FIG. 5 is an explanatory diagram of an operation of loading a material according to the present invention.

FIG. 6 is a diagram for explaining the operation of unloading a small product according to the present invention.

FIG. 7 is an operation explanatory view of carrying out a large product or a skeleton according to the present invention.

FIG. 8 is a diagram showing an example in which the same material is loaded into the processing machines 1 and 1 ′ of the present invention to be processed, and the product or skeleton is carried out.

FIG. 9 is an explanatory diagram of a first conventional technique.

FIG. 10 is an explanatory diagram of a second conventional technique.

[Explanation of symbols]

1,1 'processing machine 2 automatic warehouse 3 side stations 200 guide rails 201 Loader / Unloader 202 LM Guide 203 slider 204 Stretch 205 Workpiece suction means 208 Material Shuttle Table 209 Skeleton Shuttle Table 210 product pallets 211 skeleton palette 212 Hydraulic lifter 213 Run board 213A Run board 213 retract cylinder 214 Run Board 215,216 LM Guide 217 ball screw 218 and 219 chains 301 Single material picking device 304 Stretch 305 Workpiece suction means 307 Vertical cylinder 310, 311 material palette 312 Hydraulic lifter 313, 314 Run board

Claims (6)

[Claims] 1. A processing machine is installed on both sides of an automatic warehouse, and a loader / unloader for reciprocating between the automatic warehouse and the processing machines on both sides is provided. The loader / unloader is used to carry the material into the processing machines on both sides. A work loading / unloading system that carries out processed products or skeletons from the processing machines on both sides. 2. The work loading / unloading system according to claim 1, wherein side stations are installed in parallel in the automatic warehouse, and the material picking device is provided in the side stations. 3. The automatic warehouse has guide rails extending to processing machines on both sides at the lowermost stage thereof, and a self-propelled loader / unloader equipped with a work suction means is movably attached to the guide rails. The workpiece carry-in according to claim 1, further comprising a material shuttle table and a skeleton shuttle table, a product pallet and a skeleton pallet, and a hydraulic lifter, which are provided below the loader / unloader in order from top to bottom. Out system. 4. The side station has a material single-sheet picking device attached at substantially the same height as the loader / unloader of the automated warehouse, and the work single-piece picking device is attached to the material single-sheet picking device. The work loading / unloading system according to claim 1, wherein a material pallet and a hydraulic lifter are provided in that order from the top to the bottom below the work pallet. 5. The work loading / unloading according to claim 1, wherein turret punch presses are installed on both sides of the automated warehouse, different materials are loaded into each turret punch press, and the processed products or skeletons are sorted and accumulated in the same pallet. system. 6. A turret punch press is installed on one side of an automated warehouse, and a shearing machine is installed on the other side. The same material is loaded into the processing machines on both sides, and the processed products or skeletons are stored on separate pallets. The work loading / unloading system according to claim 1, wherein the work loading / unloading system is integrated.