JPH06619B2 - Package transport tray - Google Patents

Description

The present invention relates to a package transport tray.

[Conventional technology]

For example, a wound yarn package used as a weft yarn of a loom is transported to the vicinity of the loom by an operator, and a spare package for replacement is laid on the floor near the loom.

Also, in the loom, when the yarn supply from one package is finished, the yarn is continuously unwound from the next new package so that the inner layer yarn end of the unwound package and the waiting package It is necessary to splice the outer layer yarn end of
Conventionally, this work is also performed by the worker.

[Problems to be Solved by the Invention]

In the above yarn splicing work, searching for the inner layer yarn end of the unraveling package or the outer layer yarn end of the waiting package is troublesome, and especially when the yarn end is attached to the yarn layer surface of the package. In particular, it is difficult to distinguish the threads.

The present invention relates to a package transfer tray that solves the above-mentioned problems and that can automatically transfer a package.

[Means for Solving the Problems]

The present invention is a tray comprising a base placed on a conveying surface and a peg for mounting a package provided on the base, and a positioning holding portion for the yarn end of the package inserted in the tray is provided. The yarn end is prevented from unraveling during the transfer of the package, or the inner layer yarn end and the outer layer yarn end can be easily found when the yarn is fed to a predetermined position of the loom.

Embodiments of the present invention will be described below with reference to the drawings.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings. First, with reference to FIGS. 1 and 2, both the outer layer yarn end and the inner layer yarn end of the package are attached to the package support peg. A reference example which is inserted into the center hole and is not included in the embodiments of the present invention will be described. That is, the package transfer tray (T1) is basically a transfer device, for example, a disk-shaped base (100) placed on the transfer surface of a conveyor and a package insertion stand upright on the base (100). It consists of a wearing peg (110). The outer shape of the peg (110) is a shape suitable for the shape of the core tube (111) of the package (P) to be inserted, and the peg (11)
A center hole (13) is bored in 0). In the case of the reference example of FIG. 1, the central hole (13) has the inner layer yarn end (Y1) and the outer layer yarn end (Y2).
By inserting a looped yarn that continues the above, the yarn end maintains the fixed position of the yarn end during conveyance.

Of course, it is also possible to insert the yarn ends (Y1) and (Y2) into the central hole (13) in a separated state without connecting them.
When the automatic processing of the yarn ends, that is, the insertion into the center hole (13), the withdrawal, the yarn splicing, etc. is to be performed automatically, it is convenient to insert the connected one.

FIGS. 3 and 4 show a first embodiment of the present invention. In this case, the tray (T2) is provided with a thread end holding hole (220) dedicated to the inner layer thread end or the outer layer thread end, which is a central hole (13). ) Is provided separately. That is, by forming a thick portion (210) on the base of the tray (200) and providing a hole (200) formed in the thick portion (210) in the lateral direction,
In the case shown, the outer layer yarn end (Y2) goes into the center hole (13) and the inner layer yarn end
(Y1) is inserted into the lateral hole (220), but the reverse case is also possible. The central hole (13) and the lateral hole (220) are displaced from each other, the two holes do not interfere with each other, and the yarn ends (Y1) and (Y2) in the both holes are separately held. Of course, both holes (13) above
It is also possible to set the drilling position of the lateral hole (220) so that the central axis of (220) intersects, and in this case, the yarn ends in both holes interfere with each other.

5 and 6 show a second embodiment of the present invention. Tray (T3)
Is the same as the tray shown in FIGS. 1 and 2, and is composed of a base (100) and a peg (110). In this embodiment, a base of the yarn end fixing member (300) for holding the inner layer yarn end is used. As the fixing member (300) provided on the upper surface 100), for example, a velvet type fastener, a protruding piece for partially winding the inner layer yarn end, or the like can be applied. It is also possible to fix the outer layer yarn end to the fixing member (300) and insert the inner layer yarn end into the center hole (13).

7 and 8 show a third embodiment of the present invention in which a threading hole (410) is formed in a part of the disk-shaped base (400) of the tray (T4), and the hole (4)
The yarn end holding pipe (420) is fixed after 00). In this case, by connecting a suction pipe to the lower end of the pipe (420), the inner layer yarn end (Y1) is automatically sucked into the pipe (420), and the outer layer yarn end (Y2) is the same as in the above embodiment. Center hole (1
3) Insert it inside and hang it down.

That is, the tray with the package in the state of FIG. 7 is conveyed and supplied to the loom.

FIGS. 9 and 10 show a fourth embodiment of the present invention, which is substantially the same as the third embodiment except that the substrate (500) is a polygon (quadrangle in the figure) in a plan view. This case applies to systems that require rotational positioning around the tray peg (110) center axis.

An example of the package transfer system using the tray as described above is shown below.

In FIG. 11, the system using the tray shown in the embodiment of the present invention is layout-displayed by the transfer robot.

(1) is a loom area in which a plurality of looms (2) are installed, and in the illustrated case, the cloth fell is arranged on the operator's passage (3) side. A stock area (4) for weft yarn packages is provided separately from the loom area (1), and the packages (P) are mounted on the trays (T2 to T5), and the packages are placed on the conveyor (5) in the stock area. It is placed and housed in.

Further, between the stock area (4) and the loom area (1), a robot traveling rail (6) is laid so as to branch and merge, and a package exchanging robot (7) travels along the rail (6). . In this embodiment, the rail (6) is a ceiling rail, and the robot (7) is of a type that is supported by the rail and runs.

In FIG. 11, (8) is a weft yarn feeding station located on the side of the machine base of the loom (2), and the robot (7) is from the package feeding station (9) in the stock area (4). An empty bobbin that receives the package, conveys it to the weft yarn feeding station (8), and has finished feeding the weft yarn and has no yarn layer is station (8).
Empty bobbin collection station from stock area (10)
Transport to. (11) is an actual / empty exchange station for exchanging the empty bobbin on the conveyor (5) and the package sent from the previous process.

Further, the packages stocked in the stock area (4) are attached to the trays (T2 to T5) on the conveyor (5). That is, a package in which the yarn ends of the inner layer and the outer layer are placed at fixed positions is inserted into the pegs (110) of the trays (T2 to T5).

In Fig. 11, the request signal (L
When 1) is issued, the exchange robot (7) runs to the package supply station (9) in the stock area (4) in response to a command from the control unit (46) and receives the supply of a new package.

The request signal (L1) for the new package is, for example, the first signal.
2 It can be emitted by the yarn detection sensors (S1) (S2) such as photoelectric sensors provided in the unwound yarn path of the weft yarn package as shown. That is, if the sensor (S1) provided in the yarn path that is unwound from the package (PA) on the rail detects normal yarn unwinding and is in the ON state, the yarn in the package is unwound. When exhausted, a standby package with spliced yarn
(PB) is automatically changed to the thread release, and the sensor (S
When 1) is turned off, the sensor (S2) on the package (PB) side detects the unwound yarn and the sensor (S2) is turned on. By this, that is, the sensor (S1) is turned off and the sensor (S2) is turned on, it is detected that an empty bobbin (PA) has occurred, and a new package request signal (L1) is issued. The sensor (S
The empty bobbin can be detected by only one of the sensors in 1) (S2).

Next, the robot (7) containing the new package starts traveling toward the package exchange station of the loom having the new package request signal.

When the robot arrives at a predetermined position of the package exchange station of the loom, the package exchange work is started. The replacement work includes paying out and collecting empty bobbins, pulling out and holding the inner layer yarn end of the package on the guide rail, pulling out and holding the outer layer yarn end of the package on the robot side, and moving the new package on the robot to the loom side guide rail. The delivery work and the yarn joining work between both packages are performed in this order.

As shown in FIG. 12, first, the tray (T
Operate on the stopper (43) that is stopping A), take out the tray (TA) on which the empty bobbin is attached, slide the rail (41), and slide it on the arm (29) on the robot side. Then, the collection of the empty bobbin is completed.

During or after the empty bobbin collecting operation, the inner layer yarn end (YB1) of the package (PB) connected to the package (PB) and the holding pipe (44)
Is suctioned out by the suction pipe (38) on the robot side and held by the pipe (38). At this time, no suction force is applied to the inside of the holding pipe (44).

Further, the outer layer yarn end (YC2) of the package (PC) on the robot side is pulled out and held by the suction pipe (39).

Next, the drive source (32) is activated to move the arm (28) to the 12th position.
Move from the solid line position in the figure to the alternate long and two short dashes line position (28a).
Therefore, the package (PC) on the arm (28) is transferred onto the rail (40) as shown in FIG. At this time, the rail (40)
The yarn end holding pipe (44) on the upper end side is connected to the robot side blower via the joint (48) to generate a suction airflow in the pipe (44). When the (PC) is transferred onto the rail (40), the yarn end (YC1) inserted into the holding pipe (34) on the robot side is pulled out, and the holding pipe (44) on the rail (40) side is pulled out. 13) and the state shown in FIG. 13 is obtained. After this, close the shutter (49),
Stop the suction air flow.

Next, the suction pipe (38) (39) holding the inner layer yarn end (YB1) of the package (PB) and the outer layer yarn end (YC2) of the standby package (PC) shown in FIG. 13 respectively. Is moved along the loci (50) and (51) in FIG. 13 by a driving mechanism (not shown),
Each yarn end is guided to the yarn joining device (37), and the yarn joining operation is performed. Depending on the position of the yarn splicing device, the yarn spliced between the packages (PB) and (PC) becomes a large loop as shown in Fig. 13,
May be inconvenient. In this case, the package (PB) (P
Slightly rotate either of C). As a result, the 14th
As shown, the replacement of the empty bobbin and the new package is completed.

The robot (7) moves away from the loom to the empty bobbin collection station. That is, the station (1
When it reaches 0), the drive source (33) in FIG.
The arm (29) is tilted, and the empty bobbin (PA) is transferred onto the conveyor (5) through the tray integrated with the tray (TA), and the collection of the empty bobbin is completed.

The empty bobbin (PA) on the conveyor (5) is replaced with an empty bobbin on the tray for a new package at the actual / empty exchange station (11) in FIG. 11 and stocked again in the stock area (4).

Thus, the replacement of the empty bobbin on the loom side with the new package is completed.

When the tray of FIGS. 7 and 9 is used, the pipe (34) of the transfer robot shown in FIG. 5 is unnecessary, and a guide member for guiding the tray pipe (420) is also provided on the rail (40) side. .

〔The invention's effect〕

As described above, in the present invention, the tray for placing and conveying the package is provided with the portion for positioning and holding the inner layer yarn end and the outer layer yarn end of the package yarn layer, so that the yarn end search at the package processing position can be performed. This is extremely easy, and is particularly convenient for the weft yarn package conveying process in the fabric factory.

[Brief description of drawings]

FIG. 1 is a front sectional view of a tray of a reference example not included in the embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a front sectional view showing the first embodiment of the present invention, and FIG. The same plan view, FIG. 5 is a front sectional view showing a second embodiment of the present invention, FIG. 6 is the same plan view, FIG. 7 is a front sectional view showing a third embodiment of the present invention, and FIG. Is a plan view, FIG. 9 is a front sectional view showing a fourth embodiment of the present invention, FIG. 10 is the same plan view, and FIG. 11 is a plan layout view showing an example of a package transfer system of a weaving factory. FIG. 12 is a schematic configuration front view showing an example of a package transport robot, and FIGS. 13 and 14 are main part front views for explaining the operation of the robot. (100) (200) (400) (500)… Base (110)… Peg (13)… Center hole (220)… Holding hole (300)… Thread end fixing member (420)… Pipe (T1) to (T5) ) ... Tray (P) ... Package

Claims (1)

[Claims] 1. A base placed on the transfer surface of the transfer means, a package support peg erected on the base having a center hole for positioning and holding the outer layer yarn end of the package, and an inner layer of the package. A package transport tray, comprising: an inner layer yarn end positioning and holding member of the package, which is arranged separately from the center hole for positioning and holding the yarn end.