JPH0780632B2 - Yarn feeder for automatic winder - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a yarn feeder for an automatic winder, and more particularly to a yarn feeder for a cone-to-corn type winder.

[Conventional technology]

In general, as a winder for winding a large package into a desired shape, such as reforming after the dyeing process, rewinding from cheese fried in a rotor-type open-end spinning / air spinning machine into corn, or corn-to-corn as a winder. Types of winders are known.

In the cone-to-corn winder, the yarn feeding is larger than that of the spinning tube yarn, the yarn feeding outer diameter is several times to ten times, and the weight is ten times to several tens of times, so that the yarn feeding is automated. Didn't.

For example, the winding unit may be provided with 1 to 3 waiting stations, or a manual feeding method may be used.
Even when a method of carrying and winding by a tray is adopted and a yarn feeding unit is provided in addition to the winding unit and the discharging / feeding bobbin is carried out by a conveyor, the yarn feeding operation is performed manually. (Japanese Patent Application Laid-Open No. 59-223667 filed by the present applicant) In the method of the above application, a yarn supplying unit connected to an empty bobbin conveyor and a yarn supplying conveyor is provided adjacent to a plurality of winding units, and winding is performed. The peg tray on which the empty bobbin discharged from the take-up unit is inserted is conveyed to the yarn feeding section by the empty bobbin conveyor and temporarily stored, and the empty bobbin is removed from the peg tray on the yarn feeding section and the yarn is fed. After the yarn is supplied and the yarn end is processed manually, it is sent out onto the yarn supply conveyor in response to the request of the winding unit. Are spatially integrated.

Regarding the automation of the corn-to-cone yarn supply unit, the empty bobbin extraction device and the yarn end take-out processing device (feeding device) have already been performed, but regarding the yarn insertion work, It has not been realized because continuous feeding methods of yarn feeding are not combined.

[Problems to be Solved by the Invention]

In the method of the above application, it was pointed out that the number of stored yarns was small because the storage of the yarn supply was limited to one row of conveyors, and the work was not sufficiently integrated in terms of time and space.

INDUSTRIAL APPLICABILITY The present invention makes it possible to automate all the operations in the yarn supplying section by automating the yarn inserting and inserting which has conventionally been done by hand, and at the same time, spatially and temporally prepare the yarn supplying by making the storage system three-dimensional. It is possible to achieve various integrations.

[Means for Solving the Problems]

An extracting device for extracting the empty bobbin placed on the tray at the extracting position in the supply section, a yarn supply storage device for storing the yarn supply, and a yarn supply from the yarn supply storage device and an empty tray at the yarn supply / insertion position. A yarn feeding / inserting device for inserting and inserting the yarn, and a detecting means for detecting the tray on which the empty bobbin is placed at the empty bobbin removing position of the extracting device are provided, and the detecting means detects the tray based on the detection of the tray. It is characterized in that an operation signal is output to the thread insertion device.

[Action]

A peg for inserting the yarn from which the empty bobbin is pulled out is sent to the yarn supplying position, and the yarn is carried and inserted by the yarn accumulating device by the operation of the yarn inserting device.

At this time, when the take-out position detecting means detects the tray on which the empty bobbin is placed, the yarn feeding / placing device feeds the yarn by the yarn feeding / placing device before the empty tray from which the empty bobbin is pulled out reaches the yarn feeding / placing position. Operations such as taking out the yarn supply from the storage device are started. As a result, it becomes possible to insert and insert the yarn in a short time.

〔Example〕

FIG. 1 shows a schematic arrangement of an automatic winder according to the present invention. The plurality of winding units (2) and the yarn supplying section (1) are connected by an empty tray conveyor (3) and an actual tray conveyor (4). The yarn supplying section (1) is provided with an annular conveyor (5), and the annular conveyor (5) is provided with an empty bobbin removing device (6), a yarn supplying device (7), and a dispensing device (8). Furthermore, the yarn supplying device (7) can be divided into a yarn inserting and inserting device (9) and a yarn supplying device (10).

The peg tray on which the empty bobbin discharged from the winding unit (2) is placed is carried on the empty tray conveyor (3) and the empty bobbin is taken out at the point P on the annular conveyor (5), and the empty tray becomes Q point. To the winding unit (2) by the actual tray conveyor (4) after being fed by the yarn feeding device (7) and fed by the yarn feeding device (8) at point R. .

As Example 1, two turrets are provided in the yarn feeding storage device, and 2
An example of supplying yarns of different types (hereinafter, these two types are referred to as A and B) will be described.

As shown in FIG. 3 and FIG. 4, the annular conveyor (5) is located near the empty bobbin removing position P and the yarn feeding / inserting position Q, where tray stoppers (19), (21) and the proximity of the tray are detected. Sensors (20) and (22) and a proximity sensor (18) for identifying the product type are attached to the empty bobbin removal position P. The product type is determined by the presence or absence of a metal ring attached to the bottom of the tray. The stopper is a cylindrical member (3
9) works by being pushed up by the air cylinder (40) and released by being pulled down.

Hereinafter, a yarn feeding device (7) which is a main part of this embodiment.
The configuration will be described mainly based on FIG. However, although the proximity sensor (31) cannot be shown in FIG. 2, its position can be confirmed in FIG. The explanation of the chuck (11) is based on FIG.

A chuck (11) for gripping the yarn feeding neck portion is attached to the yarn feeding and inserting device (9) so as to be able to rotate, lift and run. The rotation is the rotation between the insertion position Q and the yarn feeding and gripping positions T and R, and the traveling is the traveling in the vertical direction in FIG. (14),
(15) and (16) are respective moving means, and in the present embodiment, the ball screw and the nut were used for the parallel movement of (14) and (16), but other methods can also be used. .

A motor (42) is attached to the base (41) of the yarn feeding and inserting device (9).
Is fixed, and a ball screw (43) is attached so as to be rotationally driven by the motor (42). The base (41)
A nut (53) through which the ball screw (43) is threaded is attached to a traveling base (36) to which two rollers (45) that are in contact with the upper surface (44) are pivotally mounted. As a result, the motor (42) allows the traveling platform (36) to travel vertically in FIG. Further, (23), (24) and (25) are proximity sensors for detecting the position of the traveling platform during traveling, respectively, and by detecting the side surface (106) of the traveling platform (36), the chuck ( The position R for gripping the type B yarn supply according to 11), the yarn feeding insertion position Q, and the position T for grasping the type A yarn supply are designated.

A motor (47) is fixed to the traveling base (36), and a ball screw (48) is rotatably driven by the motor (47).
Is attached. A chuck table (5) having two rollers (50) in contact with the vertical surface (49) of the traveling table (36).
The ball screw (48) is threaded through the nut (5) in (1).
4) is attached. As a result, the chuck base (51) is vertically movable by the motor (47). Proximity sensors (26), (27), (28) are attached to the traveling table (36), and by sensing the side surface of the chuck table (107), the lifting / lowering end of the chuck table (51), supply standby, and feeding. Specify the thread insertion height. Further, a photoelectric sensor (30) for detecting the presence or absence of yarn feeding inserted in the rod-shaped member (13) is attached to the traveling platform (36).

A motor (52) is fixed to the chuck base (51), and a chuck (11) to which a rotary motion (180 ° swinging motion) is given by the motor (52) is attached. Proximity sensors (31) and (32) are attached to the chuck base (51), and the upper surface (108) of the chuck is sensed to indicate the positions of the yarn feeding gripping and the yarn feeding insertion by the rotation of the chuck.

Details of the chuck (11) will be described with reference to FIG. The plate member (95) is attached to the shaft (93) of the motor (52) by the fastening portion (94), and the chuck members are attached to the pivots (96) and (97) fixed to the plate member (95). (98) and (99) are pivotally attached. A U-shaped member (102) having a shaft (101) fixed through a long hole (100) formed in both chuck members (98) and (99) is fixed to the plate member (95). It is connected to the axis of the air cylinder (103). As a result, the chuck operation is performed by operating the air cylinder (103) in the leftward direction in FIG.
A photoelectric sensor (27) is attached to the chuck member (98) to instruct the height of the lowering of the chuck (11) when gripping the yarn by sensing the upper surface of the yarn layer.

The yarn feeding storage device (10) is composed of two turret stands (56), and the turrets (1) attached to the respective turret stands (56).
Four bar-shaped members (13) are erected in 2), and the cheese of the yarn supply can be inserted and stored in each bar-shaped member (13).
Each of the turret bases (56) can be moved separately from the yarn feeding and inserting device (9), but is driven by a motor (33) placed in the yarn feeding and inserting device (9) via a drive transmission means (35). Rotation is given.

Bearings (57) on a turret stand (56) with wheels (55),
(63) is fixed, and the shaft center (58) of the turret having the pulley (59) is attached to the bearing (57). Bearings (63)
A gear (61) and a shaft core (62) of a pulley (64) are attached to the. A belt (65) is suspended between the pulley (59) and the pulley (64). A motor (33) having a gear (60) attached to a shaft is fixed on the base (41) of the yarn feeding and inserting device (9). Gear (60) is gear (61)
By placing the turret stand (56) at the position that meshes with the
The turret (12) is driven by the motor (33).

Each turret base (56) is provided with a turret positioning mechanism (37). A member (66) having a roller (67) is pivotally mounted on the turret base (56) so that the roller (67) is in contact with the peripheral edge of the turret, and the roller (67) causes the roller (67) to be centered on the turret. It is urged to have a pressure contact force toward. Each turret is provided with notches (68) at four locations, and from a position where the roller (67) is pressed against the notches (68), the turret will be moved by a force such as vibration that is less than a certain rotation torque. Positioned so that it does not rotate.

The base (41) of the yarn feeding and inserting device (9) is provided with the notch (6
The proximity sensor (34) is attached to the position where 8) is detected, and indicates the fixed position of the turret rotation.

The schematic operation of the yarn feeder is shown. The peg tray on which the empty bobbin conveyed to the empty bobbin removal position P is placed is temporarily stopped by the stopper (19), and at the same time as the removal operation is performed, the type of product to be supplied to the peg tray is determined. At the same time when the product type is determined, the operation of the insertion device is started. Further, when the empty bobbin removing operation is completed, the tray is sent out from the yarn supplying / inserting position Q. By the yarn feeding and inserting device (9), the rod-shaped member (1
The yarn supply inserted in 3) is conveyed to the supply standby position, is inserted after waiting for the arrival of the empty tray, and is sent out to the S point at the Q point. At this time, the photoelectric sensor (30) determines whether there is a yarn to be supplied next time, and if necessary, the turret (1
2) Rotate to prepare yarn feeding.

The details of the operation of the yarn feeding and inserting device (9) will be described below.

The proximity sensor (18) for determining the product type determines the product type of the tray at the P point, and confirms that there is no tray at the Q point.
The operation of inserting and inserting the yarn starts. During standby, the traveling platform (36) moves to the yarn feeding insertion position Q pointed by the proximity sensor (24).
The chuck base (51) is at the ascending / descending end indicated by the proximity sensor (26), and the chuck (11) is at the yarn feeding and gripping position indicated by the proximity sensor (31).

At the same time when the product type is discriminated, the traveling means (14) operates counterclockwise or clockwise according to the product type A or B, and the traveling platform (36) starts from the point Q to the A product holding position R or B product type. It is carried to the gripping position T. Stop positions R and T are given by sensors (23) and (25). During this time, the empty bobbin removing device (6) completes the empty bobbin removing operation, and the tray stopper (19) at the point P is temporarily opened to send the empty tray to the point Q.

The lowering of the chuck (11) is performed by the counterclockwise rotation of the elevating means (15), and the chuck (11) descends to the position where the photoelectric sensor (27) detects the yarn layer of the yarn supply, and the chuck (11).
Operates to grip the yarn supply, and the proximity sensor (2
6) Ascend to the position.

The traveling platform (36) returns to the yarn feeding and inserting position Q sensed by the proximity sensor (24) when the traveling means (14) operates clockwise or counterclockwise. The clockwise rotation of the motor (52) causes the chuck to rotate to the yarn feeding and loading position indicated by the proximity sensor (32), and the chuck is located above the point Q of the annular conveyor (5).

The chuck table (51) descends to the supply standby position instructed by the proximity sensor (28) and arrives at the point Q of the empty tray sent from the point P. When the empty tray arrives, the chuck base (51) is lowered to the yarn insertion height indicated by the proximity sensor (29), the chuck (11) is opened, and the yarn is inserted into the empty tray. When the arrival of the empty tray at the point Q precedes the lowering of the chuck table (51) to the supply standby position, the chuck table does not wait but descends as it is.

The chuck table (51) is raised to the position indicated by the proximity sensor at the upper and lower ends, and the chuck (11) is rotated to the position indicated by the proximity sensor (31) at the yarn feeding / inserting position to perform one cycle of the yarn feeding / inserting operation. To finish.

After the chuck grips the yarn feeding bobbin during the yarn feeding and loading operation and starts to move up and down to the upper end, the presence or absence of yarn feeding inserted in the rod-shaped member (13) is determined by the photoelectric sensor (30), If not, the turret drive motor (33) is rotated to rotate the turret (12) via the drive transmission means (37), and the sensor (34) detects and stops at the position where the turret positioning mechanism stops, Prepare for the yarn feeding and inserting operation. When the photoelectric sensor (30) does not detect the yarn supply even after the rotation operation, the yarn supply is broken, and the yarn can be supplied by replacing the yarn supply with the turret table.

Further, by providing the photoelectric sensor (38) at the position as shown in FIG. 4, it is possible to know the yarn supplying time in advance.

The above operation is summarized in a timing chart and shown in FIG. In the figure, for example, PX25, PH30, etc. are proximity sensors (25),
It is an abbreviation for the photoelectric sensor (30) and indicates that the input of the sensor indicates the start or end of the operation.

In this embodiment, two different types of yarn are supplied to each turret (12), and the yarn feeding / inserting device (9) is moved to a position corresponding to each turret (12), so that the two types can be handled. Has become. It is easy to cope with more kinds by increasing the number of moving parts of the yarn feeding and inserting device (9) and the number of turrets (12). In addition to the turret,
It is also possible to supply different types of yarns by using a storage device having a plurality of sections, storing different types of products in each section, and moving the insertion device for each section.

In addition, each bar-shaped member (13) of the turret (12) is supplied with different types of yarns to identify each bar-shaped member (13).
It is also possible to rotate the turret (12) to supply the required variety. Further, in addition to the turret, by using a storage device having a plurality of sections, by storing the yarn feed of different types in each section, by moving the storage device,
It is also possible to supply various types of yarn supply.

The second embodiment is an example in which a cone-shaped yarn supply inserted in a peg tray is conveyed by a conveyor and stored as it is on the conveyor. 7 and 8 show a front view and a plan layout, respectively. Yarn feeding and inserting device (9), yarn feeding storing device (1
Except for 0), the configuration is the same as that of the first embodiment. However, since the present example deals with an example in which the yarn feeding is one type, the type discrimination sensor is not used.

(70) is a guide body established, and (71) is a ball screw driven by a motor (72) fixed to the guide body (70). (73) is a lift, and the ball screw (71)
A nut (not shown) having a screw threaded therein is attached. Further, two rollers (not shown) are attached to the lift table (73) so as to contact the guide body (70), and the lift table (73) can be raised and lowered by the rotation of the motor (72). The motor (74) is fixed to the lift (73),
A carrier (75) having a substantially U-shaped cross section is attached to the shaft core of the motor (74). Proximity sensors (76) and (77) are fixed to the guide body (70) and sense the height of the lift (73), and (78) are fixed to the lift (73) and the carrier (75) rotates. It is a proximity sensor that senses the position.

(80), (81) and (82) are conveyors for carrying peg trays, and (80) and (81) are motors (83) and
It is driven in the direction from the top to the bottom in FIG. 3 by (84). Further, (82) is driven by a motor (not shown) in the direction from the bottom to the top in FIG. Reference numeral (91) is a stopper for stopping the peg tray on the annular conveyor (5), which is vertically moved by an air cylinder (not shown). (8
5), (86) and (87) are photoelectric sensors for detecting the peg tray, which detect the peg tray at the U point, the V point and the W point, respectively. Further, (88) and (89) are guides for carrying the peg tray.

Next, the operation of the second embodiment will be described. As shown by the chain double-dashed line in FIG. 8, in the standby state, the carrier (75) is loaded with cone-shaped yarn feeders, and the empty tray at the point Q of the yarn feeder on the annular conveyor (5) The proximity sensor (78), (7) is located at a position where the yarn supply can be inserted into the empty tray when the carrier (75) descends, that is, a rotating position and an elevating position.
Wait at the position indicated in 6).

An empty tray arrives at point Q of the annular conveyor (5) and is temporarily stopped by the stopper (91). When the motor (72) is driven counterclockwise and it descends to the position indicated by the proximity sensor (77) and the yarn supply is inserted in the peg tray, the stopper (90) is temporarily released and the peg tray is sent.
At the same time, the motor (72) rotates the carrier (7
5) rotates, and the stopper (9
Stop at the position where the yarn is removed from the peg tray stopped in 1). This stop position is based on the proximity sensor (7
Instructed by 9). The carrier rotates to the height of the supply standby indicated by the sensor (76) and then rotates clockwise, and stops at the supply standby position indicated by the sensor (78), and the series of yarn feeding and inserting device (9) is stopped. End the operation.

In the present embodiment, the yarn storage device (10) conveyor (81),
It is composed of (80). Yarn supply is carrier at point Q (75)
When the yarn feeder is pulled out by the motor (84), the stopper (90) is temporarily released and the conveyor (8)
1), the empty peg tray is carried away by the conveyor (82), the conveyor (81) operates until the peg tray is detected at the V point and the W point at the same time, and the conveyor (80) moves at the U point.
The operation is continued until the peg trays are sent to both points and V points. The yarn is continuously supplied by the operations of the conveyors (80) and (81).

〔The invention's effect〕

As described above, according to the present invention, when the withdrawal position detecting means detects the tray on which the empty bobbin is placed, the empty tray from which the empty bobbin has been removed reaches the yarn insertion / insertion position before the yarn insertion / insertion position is reached. The device starts operations such as taking out the yarn supply. As a result, the time for inserting the yarn supply into the empty tray at the yarn supply insertion position can be shortened.

[Brief description of drawings]

FIG. 1 is an overall view of a winder showing Embodiment 1, FIG. 2 is a detailed view of a yarn feeder of the embodiment, FIGS. 3 and 4 are front views and plan views of FIG. Timing chart, FIG. 6 is a detailed view of the chuck. 7 and 8 are a front view and a plan view of the second embodiment. (1) shows a yarn supplying unit, (7) shows a yarn supplying device, (9) shows a yarn inserting and inserting device, and (10) shows a yarn accumulating device.

Claims (1)

[Claims] Claim: What is claimed is: 1. An automatic winder, which rewinds a package in which a yarn is wound, is used as a yarn feeding device, and a yarn feeding device for pulling an empty bobbin placed on a tray in a yarn feeding position, and a yarn feeding reservoir that stores the yarn feeding. A device, a yarn feeding and loading device that takes out the yarn from the yarn feeding storage device and inserts the yarn into the empty tray at the yarn feeding and inserting position, and an empty bobbin at the empty bobbin removal position of the above-mentioned withdrawing device. A yarn supplying device for an automatic winder, comprising: a detecting device for detecting a tray on which the yarn is placed, and the detecting device outputs an operation signal to the yarn supplying and inserting device based on the detection of the tray.