JPH05278952A - Package carrier system of overhead traveling carrier vehicle - Google Patents

Abstract

PURPOSE:To hold plural packages at one time according to pallets where the storage patterns of the packages are different from each other for carrying them by only one overhead traveling vehicle. CONSTITUTION:A package carrier system is provided with an unpacking station 2 and package receiving stations 3a-3c disposed along the rail 5 of an overhead traveling vehicle 4 which hangs a lift 16 equipped with plural package chucks 13. The lift 16 consists of base plate 10 and a chuck 6b base removably-installed in the base plate 10, and is provided with a chuck base storage 1 where plural chuck bases 6a can be placed along the rail 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a package transfer system for a ceiling transfer vehicle capable of unpacking a pallet having a different array pattern of packages and gripping and transporting a plurality of packages with the array pattern at one time.

[0002]

2. Description of the Related Art In a textile factory, for example, as shown in FIG.
The yarn to be hung on the loom 3 is carried as a package P from another factory in a state of being packed in a pallet 21 and unpacked at the unpacking station 2 to receive the package receiving stations 3a ... 3c to loom 3
Be transported to. The unpacking station 2 and the package receiving stations 3a to 3c are installed on the lower side of the circulation rail 5 and are moved from the unpacking station 2 to the package receiving station 3 by an overhead carrier traveling along the rail 5.
The package is automatically conveyed to a to 3c.

Next, an example of the packaging form of the package P received from another factory will be described with reference to FIG. The pallet 21 is a box packaging in which nine packages P are arranged in a stack of four layers, and includes a bottom plate 22, three middle plates 23, a top plate 24, and a surrounding wrapping film 25. .. The bottom plate 22 has the upward protrusions 22a, the middle plate 23 has the upward protrusions 23a and the downward protrusions 23b, and the top plate 24 has the downward protrusions 24a. These protrusions are fitted into the bobbin B of the inverted package P. State,
The package P is positioned.

The plane arrangement pattern of the pallets 21 thus stacked in four stages differs depending on the factory to be shipped and the type of yarn. For example, as shown in FIG.
There are an A array arranged side by side, and a B array in which two pieces are arranged alternately in the center row and three pieces arranged at both ends. In order to automatically convey these from the unpacking station 2 to the loom 3 at a time, conventionally, two units, namely, a ceiling conveyance vehicle 51 in which the chucks 13 are attached in the A arrangement and a ceiling conveyance vehicle 52 in which the chucks 13 are attached are installed. Then, for example, if the threads required by the loom 3 connected to the package receiving station 3a are packed in the B array, the home computer 7 receives the command of the B array, and the ceiling transport vehicle 52 is set to the unpacking station 2. The package was run, grasping eight packages P in the B array at one time and carrying them to the package receiving station 3a. And
For example, in the package receiving station 3a, the tray 14
Are conveyed in a line on the conveyor 15, and the packages P are conveyed to the loom 3 in this order when the packages P are lowered one by one on the tray 14 in the order of the X, Y, and Z rows. be able to. If the pallet 21 has two or more storage patterns, a ceiling carrier having an arrangement of the chucks 13 corresponding to the storage pattern is prepared according to the type of the pallet 21.

[0005]

However, in the above-mentioned transfer system, it is necessary to provide a plurality of ceiling transfer vehicles in one line, which is more than the number of types of pallets having different storage patterns.
There is a problem that it is necessary to install on the rails a number of ceiling carriers more than the number corresponding to the amount of transportation so that they can travel freely, which increases the installation cost of the transportation system.

The present invention has been made in view of the above problems of the above-described system, and an object of the present invention is to cope with a pallet having a different storage pattern of packages in a single ceiling carrier. It is an object of the present invention to provide a package transfer system for a ceiling transfer vehicle capable of gripping and transferring a plurality of packages at one time.

[0007]

In order to achieve the above object, a package transfer system for a ceiling transfer vehicle according to the present invention is provided on a rail of a ceiling transfer vehicle for suspending an elevator having a plurality of package chucks attached thereto. An unpacking station and a package receiving station are arranged along the lift table, and the lift table includes a substrate and a chuck table detachably attached to the substrate. A plurality of chuck tables are placed along the rail. It is equipped with a chuck stand storage area.

[0008]

Operation: A single ceiling carrier replaces a chuck table that is detachable with respect to the lift table at the chuck table storage space, so that pallets having different package storage patterns can be accommodated.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall layout diagram of a package transfer system for a ceiling transfer vehicle according to the present invention. The difference from the prior art is that the lift table 16 of the ceiling transport vehicle 4 is composed of a substrate and a chuck table 6a that is attachable to and detachable from the substrate, and a chuck storage area 1 is newly provided under the rail 5. It should be noted that parts that operate in the same manner as in FIG. 9 described in the prior art are assigned the same reference numerals and description thereof will be omitted.

In FIG. 1, a chuck table storage area 1 is for keeping an unused chuck table 6a in a standby state.
Is attached and the B array pallet 21 is unpacked.

Next, referring to FIG. 2, the chuck table 1 and the lift table 16 of the ceiling carrier 4 will be described in detail. Four columns 12 are provided upright on the table 11 of the chuck table 1 for each chuck table, and the chuck 1 is attached downward to the lower surface of the chuck table 6a described below.
Chuck table 6a so that 3 does not hit table 11.
Support and wait. Ceiling carrier 4 to lift 16
Is composed of a substrate 10 suspended by a belt 17 and a chuck table 6a which is detachable from the substrate 10. When the chuck table 6a is mounted on the substrate 10, the hook 9 attached to the lower surface of the substrate 10 is inserted into the hook hole 8 provided on the upper surface of the chuck table 6a and moved in the arrow direction to move the chuck table 6a to the substrate. The belt 17 is integrated as an elevator 16
Be hung up with.

Next, the ceiling transfer vehicle 4 on which the elevating table 16 is suspended, the chuck 13 attached to the chuck table 6, and the package receiving stations 3a to 3c will be described in detail.

3 and 4 are partial cross-sectional views of the front and side surfaces of the ceiling guided vehicle 4. The ceiling carrier 4 has a ceiling beam 31.
Hanger 33 attached to U etc. via U bolt 32
Drive wheels 35 traveling on the upper rail 5 and driven wheels 36
And a traveling motor 3 for driving the drive wheels 35.
Have 7. Further, a plurality of guide rollers 38 that engage with the rails 5 at appropriate positions are provided on the upper part of the ceiling transport vehicle 4 in order to prevent the rolling on the rails 5.
Furthermore, a desired number of sensors 39 for detecting stop / passage and the like are provided at appropriate places on the ceiling guided vehicle 4.

The mechanism for suspending the elevating table 16 of the ceiling guided vehicle 4 so as to be able to move up and down is as follows. The ceiling transport vehicle 4 has a pair of horizontal shafts 41 for winding and unwinding a plurality of belts 17 that suspend the lifting platform 16. The horizontal shaft 41 has a drum 42 around which the belt 17 is directly wound, attached to both ends thereof. Further, the horizontal shafts 41 are connected via a timing belt 43 so as to rotate in synchronization with each other. Then, the one horizontal shaft 41 is rotated by the elevating motor 45 via the belt 44, whereby the belt 40 is wound and unwound. An encoder 46 for measuring the winding or unwinding amount of the belt 17 is provided at the end of the other horizontal shaft 41. A limit switch 47 for detecting the uppermost position of the bobbin chuck is also provided at an appropriate position.

FIG. 5 and FIG. 6 show an example of a chuck which is attached downward to a chuck table 6 which is detachably attached to an elevating table 16 and which holds a package P. The chuck 13 has three claws 30 that can be opened and closed, and three pads 28 that are spring-biased and arranged in a 120-degree circumferential arrangement. The claw 30 is rotatably supported by the shaft 26, and the side surface of the claw 30 is in contact with the triangular cam 27. In FIG. 6, when the triangular cam 27 is in the solid line position, the tip 2
7a pushes the side surface of the claw 30 to open it, and hooks the burr portion on the small diameter side of the bobbin B. On the contrary, when the triangular cam 27 is at the position indicated by the chain double-dashed line, the claw 3
The side surface of 0 is free and is in a closed state smaller than the inner diameter of the small diameter side of the bobbin B. The triangular cam 27 is reciprocally rotated by a cylinder 29 in the chuck base 6 within 60 degrees. When the chuck table 6 descends with the claw 30 closed,
The pad 28 contacts the side surface of the package P, and the package P
To position. Then, when the nail 30 opens, the package P
The pad P does not cause the package P to be inclined.

FIG. 7 shows the package receiving stations 3a-.
It is a side view of 3c. Package receiving station 3a
3c are trays 14 conveyed in a line on the conveyor 15, and when the ceiling transfer vehicle 4 stops right above the package receiving stations 3a to 3c, the lifting platform 16 causes the belt 1 to move.
The package P is lowered by 7 and positioned by the guide rod 20 and the like, and the package P is inserted into the tray 14. The chuck 13 holding the package P is released, and the lift 1
When 6 is lifted, the package P stands upright on the tray 14 and is conveyed to the loom 3 side.

Next, the operation of the package transfer system for the ceiling guided vehicle of the present invention will be described with reference to FIG. For example, if the yarns required by the loom 3 connected to the package receiving station 3a are packed in the B array, the home computer 7 receives the spelling instruction and the chuck table 6b of the B array is received by the home computer 7. The ceiling carrier 4 is mounted on the elevating table 16 and is moved to the unpacking station 2. Chuck table 6b
Since the chucks 13 are attached at the same pitch as the pallets 21 packed in the B array, the B holds the eight packages P that are wrapped in a package at one time and conveys them to the package receiving station 3a. You can
In the package receiving station 3a, the trays 14 are conveyed in a line on the conveyor 15, and the packages P are conveyed line by line while advancing the ceiling conveyance vehicle 4 onto the tray 14 by a required amount each time the elevating table 16 is lowered once. X column, Y
When the row P and the row Z are unloaded, the packages P are conveyed to the loom 3 in this order. The pallet 21 emptied at the unpacking station 2 is emptied by the depallet robot 18.
9 reprinted. If there are two or more types of storage patterns for the pallet 21, a chuck base 6 having an arrangement of the chucks 13 corresponding thereto is also prepared according to the type of the pallet 21.

[0018]

In the package transfer system for the ceiling guided vehicle according to the present invention, the chuck bases having the chucks attached at the pitch corresponding to the form of the packing pallet are provided according to the number of kinds of the packing pallets, and the chuck bases which are not used are the chucks. Standing in the stand place, a chuck table according to the pallet to be unpacked is attached to the lift table of the ceiling transfer vehicle, and the packages on that pallet are transferred at one time. One ceiling transfer vehicle is used. By simply adding the movement of exchanging the chuck table, a plurality of packages packed in several storage patterns can be gripped and transported at one time.

[Brief description of drawings]

FIG. 1 is an overall layout diagram of a package transfer system for a ceiling transfer vehicle of the present invention.

FIG. 2 is a perspective view of a chuck table storage area and a lifting table.

FIG. 3 is a side view of a ceiling carrier.

FIG. 4 is a front view of a ceiling carrier.

FIG. 5 is a sectional view of a chuck.

6 is a sectional view taken along line XX of FIG.

FIG. 7 is a side view of the package receiving station.

FIG. 8 is a sectional view and a perspective view of a pallet.

FIG. 9 is a layout view of a conventional package transport system.

[Explanation of symbols]

 1 Chuck stand storage area 2 Unpacking station 3 Package receiving station 4 Ceiling carrier 5 Rail 6 Chuck stand 10 Substrate 16 Lifting stand

Claims (1)

[Claims] 1. A rail of a ceiling carrier for suspending an elevator having a plurality of package chucks attached,
An unpacking station and a package receiving station are provided, and the lift table includes a substrate and a chuck table detachably attached to the substrate, and a chuck table on which a plurality of chuck tables can be placed along the rail. A package transfer system for a ceiling transfer vehicle, which has a storage space.