JPH055247A - Method for supplying yarn feed unit - Google Patents

Abstract

PURPOSE:To carry out efficient supplying operation without causing excess and deficiency in yarn feed units by patrolling each loom with a cart loaded with the yarn feed units of kind and quantity conforming to the aforementioned loom requiring the supply of the yarn feed units. CONSTITUTION:In a woven fabric factory where many looms are arranged and weft yarn feed units of different kinds are used, a host computer 50 searches for information on yarn kind stored correspondingly to the loom numbers and series numbers in response to a signal on consumption of the yarn feed units in a loom. The information is then inputted to a qeue of a server 52. A yarn feed control computer 54 reads out the aforementioned qeue and determines the route information of a cart 20 to file the resultant information in the server 52. A yarn feed loading control computer 56 reads out the order and weft yarn kind from the above-mentioned file to load the required yarn feed units 14 through a loading robot 46 onto the cart 20, which patrols successively from the loom of the first order to the required looms based on the command of the yarn feed control computer 54. Thereby, recovery of the empty yarn feed units and feed of the required yarn feed units 14 are carried out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for supplying a weft supply material to a weaving machine in a weaving factory in which different types of weft supply materials are prepared and a large number of weaving machines are installed.

[0002]

2. Description of the Related Art Conventionally, after loading a plurality of each of a plurality of types of yarn feeders on a trolley at a station in a fabric factory,
A worker pushes this trolley to go around the loom, and on the way,
When there is a loom that needs to be supplied with a yarn feeder, the empty yarn feeder of the loom is replaced with a yarn feeder of a type suitable for the loom.

[0003]

However, the above-mentioned conventional method causes a shortage of the number of yarn feeders of a specific type during patrol, which may hinder the subsequent replenishment of yarn feeders. there were. An object of the present invention is to prevent a shortage in the number of conveyed yarn-supplied yarns when a loom is circulated to replenish the yarn-supplied yarns in a weaving factory using a plurality of kinds of yarn-supplied yarns. And

[0004]

DISCLOSURE OF THE INVENTION The present invention relating to a method for replenishing a yarn feeder is to replenish a yarn feeder in a weaving factory in which many weaving machines are installed and different types of weft yarn feeders are used. The method includes mounting a yarn feeder of a type and number suitable for a required loom on a transport vehicle, and circulating the transport vehicle for a loom that needs to replenish the yarn feeder. The carrier is
It can be circulated along the shortest route around the loom or in the order of supply of the yarn feeder.

[0005]

According to the present invention, the type and number of yarn feeders suitable for the loom that needs to be replenished with the yarn feeders are mounted on the transport vehicle, and the transport vehicle is circulated on these weaving machines. Therefore, there is no excess or deficiency in the loaded yarn feeders during the patrol, and efficient replenishment work can be performed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 1, a large number of weaving machines 10 are supplied to a weaving machine installation area 12 arranged in the vertical and horizontal directions and to the above-mentioned weaving machines, more specifically, a yarn supplying stand installed near each of the weaving machines. Weft feeders 14 of different types (for example, color and quality)
And a station 16 for preparing an empty yarn feeder (not shown) recovered from the loom.

In the method for replenishing a yarn feeder, the yarn feeder of the type and the number suitable for a loom requiring the replenishment of the yarn feeder is mounted on the transporting vehicle 20 to replenish the yarn feeder. Includes patrol of the carrier 20 for the required loom. According to the present invention, the weaving machine for which the supply of the yarn supplying body is required is known in advance, and the weaving machine is circulated around the weaving machine with the type and the number of the yarn supplying bodies according to the request. There is no such thing. The transport vehicle 20 can circulate the loom according to the order of request for supply of the yarn feeder, that is, the order of request time. However, the shortest route around the loom that needs the supply of the yarn supplying body is determined, and the yarn supplying body is first supplied along the route, that is, to the loom closest to the station 16 among the loom requiring the supplying. Then, if the transport vehicle 20 is circulated to sequentially supply the yarn feeder to the loom closest to the loom that has been completely replenished, the time required to replenish the yarn feeder can be shortened.

The carrier 20 shown in the drawing is mounted on the ceiling of a weaving factory 18 and is suspended on a rail 22 extending through the station 16 and between the loom rows of the loom installation area 12. From a doffer that can run along the rail 22. Become.

As shown in FIG. 2, the transport vehicle 20 has a traveling body 24 that can travel along a rail 22 in the direction of the arrow, and a gripping device 26 for the yarn feeder 14 attached to the traveling body 24.
And a holding base 28 for holding a plurality of types of yarn feeders 14 suspended from the running body 24. Instead of the illustrated example, the transport vehicle 20 may be one that travels on a floor surface of a textile factory 18 along a guide member installed on the floor surface.

The gripping device 26 moves from the traveling body 24 to the rail 2
Rail 2 as shown by the arrow and extending in the transverse direction perpendicular to 2
An arm 30 movable in each of a lateral direction perpendicular to 2 and a lateral direction parallel to the rail 22 (indicated by an arrow),
A reel 34, which is fixed to the tip of the arm 30 and holds the pair of wires 32 so that it can be wound up, and a pair of hook-shaped arms 36, which are fixed to the tips of the wires 32 and are swingable in the direction of the arrow in the vertical plane. And a clamper 38 having the same.

According to this gripping device 26, the clamper 38
The arm 30 and the reel 34 are operated so that the hook-shaped arms 36 of the above are located at both ends of the bobbin of the yarn feeder 14 on the holding table 28 or the empty yarn feeder on each loom 10.
After that, both hook-shaped arms 36 are swung toward the other one, and are inserted into a bobbin and a locking portion (not shown) provided in the tray 40, whereby the yarn feeder is grasped,
Further, by swinging both hook-shaped arms 36 in opposite directions, the gripped state of the yarn feeder is released. Gripping device 26
After the empty yarn feeder on the loom 10 is collected on the holding table 28 via the loom, the yarn feeder 14 of the type required by the loom is moved from the holding table 28 to the loom 10 to obtain the empty yarn feeder. The body can be exchanged for the yarn feeder 14. The replacement work of the yarn feeder can also be performed manually by a worker.

The holding table 28 is composed of a generally rectangular plate member, and is provided with a plurality of grooves for accommodating the carrier of the yarn feeder 14 and capable of receiving the corners of the tray 40, which is triangular in the illustrated example. 42. The holding base 28 is placed on a pair of L-shaped arms 44 attached to the traveling body 24 so as to be able to move up and down, and thereby is suspended on the traveling body 24.

The yarn feeder 14 can be mounted on the holding table 28 by a worker's hand or by using the loading robot 46 as in the illustrated example.

Holding base 2 on which the collected empty yarn feeder is mounted
8 is a collection position of an empty yarn feeder provided near the entrance of the station 16 and is separated from the transport vehicle 20. Further, a required yarn feeder 14 is mounted via a loading robot 46 while patrol the loom. The other holding table 28 that has been
It is attached to the transport vehicle 20 at a preparatory position provided near the exit of the. Holding table 28 separated at the collecting position
After the empty yarn feeder is collected, it is conveyed to the preparation position by a moving device (not shown), where it waits for the yarn feeder to be loaded.

The method of the present invention can be carried out more smoothly by placing it under the control of a computer. In the illustrated example, each loom 10 is electrically connected to the host computer 50, and the host computer 50 includes the server 5
2. A yarn feeding control computer 54 and a yarn feeder stacking control computer 56 are electrically connected to each other. The yarn feeding control computer 54 is electrically connected to a receiver / transmitter 58, and the yarn feeder loading control computer 56 is electrically connected to the loading robot 46.

Regarding the operation of the transport vehicle 20 (provided that a plurality of weaving machines each perform multicolor weft insertion) 1) When a weft of a yarn feeder is consumed in a certain loom, a detection signal thereof is detected. Is output to the control device of the loom.
Each loom has a weft insertion series (weft insertion member composed of a weft insertion nozzle, a length measurement storage device and a yarn supply stand) for each yarn type, and sensors for detecting the consumption of the weft yarn are, for example, respectively. It is provided on the yarn feeding stand. The control device for the loom outputs the sequence number of the weft insertion sequence to which the sensor that detects the consumption of the weft thread and the loom number to the host computer 50 as a replenishment request signal.

2) The host computer 50 retrieves the type of the yarn feeder to be supplied from the information on the yarn type stored corresponding to the loom number and its series number, that is, the type of yarn feeder to be supplied,
A loom number and a weft thread type are input to a queue in the server 52. In this way, each time a supply request signal is input from the loom, the loom number and the type of weft thread are sequentially input to the queue in the server 52.

3) When the transport vehicle 20 returns to the station 16, the yarn feeding control computer 54 reads out the queue in the server 52, obtains route information (direction information and point control information) of the transport vehicle 20, and retrieves it. Server 52
To file.

More specifically, when the plurality of looms 10 in the loom installation area 12 are arranged in a plurality of rows and columns, the yarn feeding control computer 54 reads the queue in the server 52 and reads it. The row closest to the station 16 is searched from among the plurality of rows to which the issued loom belongs, and the row closest to the station 16 is searched from the plurality of rows to which the loom existing in the row belongs. The loom corresponding to that row is ranked first.

Further, switching is performed to change the point of the rail 22 that needs to be switched in order for the transport vehicle 20 to move from the station 16 to the first loom, that is, the connection state between the vertical rail 22 and the horizontal rail 22. Points and
The switching direction is obtained, and these are stored in the server 52 as route information together with the type of weft thread suitable for the first loom.

Next, the number of the first loom and the type of weft are removed from the queue, and the line closest to the first loom is retrieved from the plurality of lines to which the loom belongs in the remaining queue. Then, of the plurality of columns to which the looms existing in the row belong, the column closest to the first-ranked loom is searched. The loom corresponding to that row is ranked second. Furthermore, the points of the rail 22 that need to be switched in order for the transport vehicle 20 to move from the loom of the first rank to the loom of the second rank,
The switching direction is obtained, and these are stored in the server 52 as route information together with the corresponding weft type.

In this manner, the supply order and route information are sequentially obtained and filed for all the looms in the queue. In the searching process, when the number of yarn feeders to be supplied to the loom in the queue exceeds the number that can be loaded on the holding table 28, the number of yarn feeders becomes equal to the loadable number. Finish the search. And another carrier 2
If 0 is in the station 16, a new search is performed for the remaining queues and route information is created. When another transport vehicle 20 is not present at the station 16, a request for a new yarn feeder is awaited, and when there is a request, another input is made to the remaining queue.

4) The yarn feeding control computer 54 turns on the position transmitter of the loom so that the transport vehicle 20 can reach the loom of the first order by referring to the route information, and the point Issue a switching command. The position transmitter is provided at a predetermined position for each loom, and is operated from the yarn feeding control computer 54 via the host computer 50 and a loom controller (not shown). When the position transmitter is in operation, the carrier 20 receives the positioning signal from the position transmitter and stops, and at that position, the yarn feeder for the loom can be replaced.

5) The yarn feeder stacking control computer 56
The order and the type of weft yarn are read from the route information file, and the loading robot 46 is instructed to sequentially load the required yarn feeders 14 on the holding base 28 of the transport vehicle 20, and after loading the yarn feeders, A loading completion command is issued to the yarn feeding control computer 54.

6) When a sending command is output from the yarn feeding control computer 54 via the receiver / transmitter 58, the carrier 20 departs toward the first-ranked loom. When the carrier 20 arrives at the loom, the empty yarn feeder is collected and the corresponding yarn feeder is transferred from the holding table 28 to the loom.

7) When the loom detects the completion of transfer of the yarn feeder, the loom outputs a signal indicating this to the yarn feeding control computer 54 through the host computer 50.

8) The yarn feeding control computer 54 refers to the route information and turns on the position transmitter of the loom and instructs the switching of points so that the transport vehicle 20 reaches the loom of the next order. To do.

9) The yarn feeding control computer 54 gives a direction instruction (right or left) and a start command to the guided vehicle 20 through the receiver / transmitter 58, and based on this, the guided vehicle 20 has the loom of the next order. Start toward.

10) Repeat operations 7 and 8. 11) When the transfer to the loom of the final order is completed, the yarn feeding control computer 54 outputs the pointer control to the collection position of the empty yarn feeder and the direction / start command.

12) The carrier 20 moves to the empty yarn feeder collection position, and after the holding table 28 is separated, returns to the preparation position. At the collecting position of the empty yarn feeder, the empty yarn feeder is collected with the holding table 28 attached to the transport vehicle 20, and then the holding table 28 is moved to the preparation position together with the transport vehicle 20, The yarn feeder may be loaded.

Loading of the yarn feeder 14 onto the transport vehicle 20 1) The yarn feeder loading control computer 56 instructs the loading robot 46 to take out the yarn feeder 14 provided for each yarn type to the take-out port 60. Commands movement and loading order.

In the textile factory of this embodiment, three kinds of yarn feeders 1
4 are used, and these yarn feeders 14 are respectively placed on three belt conveyors provided for each yarn type. Each of the belt conveyors is controlled by a yarn feeder stacking control computer 56 to move the yarn feeder 14 to a take-out port 60 provided at one end of the belt conveyor.

2) The loading robot 46 extends its arm (not shown) to the instructed yarn feeder take-out port 60,
The required yarn feeder 14 is gripped. 3) The loading robot 46 places the yarn feeder 14 at a corresponding position on the holding table 28 according to the loading order. 4) Repeat steps 1 to 3.

Regarding the exchange control of the empty yarn feeder on the loom and the yarn feeder 14 requiring the replenishment of the yarn feeder 1) When the carriage arrives near the target loom, the positioning signal from the position transmitter Stopped by the gripping device 2
6 descends on the loom. 2) The gripping device 26 grips an empty yarn feeder and moves up, and then inserts the corner portion of the tray 40 into the groove 42 of the holding base 28 of the transport vehicle 20. In the station 16, the yarn feeder 14 is mounted on the holding table 28 with one groove 42 left in advance.

3) The gripping device 26 grips the yarn supplying body 14 from a position on the holding table 28 corresponding to the order of supply, and then descends. 4) Next, the gripping device 26 moves the yarn feeder 14 to the loom and then moves up.

[Brief description of drawings]

FIG. 1 is a schematic view of a fabric factory.

FIG. 2 is a schematic perspective view of a carrier vehicle.

[Explanation of symbols]

 14 yarn feeder 18 woven factory 20 carrier

Claims (1)

Claim: What is claimed is: 1. In a weaving factory in which a large number of looms are installed and weft feeders of different types are used, types and numbers suitable for the looms requiring supply of the yarn feeders. A method for replenishing a yarn feeder, wherein the yarn feeder is mounted on a conveyor vehicle, and the locomotive travels around the loom that needs to replenish the yarn supplier. 2. The replenishment method according to claim 1, wherein the transport vehicle is circulated along a shortest route around the loom. 3. The replenishment method according to claim 1, wherein the transport vehicle is circulated in the order of request for replenishment of the yarn feeder.