JPH05319699A - Bobbin feeding device - Google Patents

Abstract

PURPOSE:To provide a bobbin feeding device in which the supply of bobbins to a determined position, the insertion of bobbins onto a tray, and the carrying- out of the tray are continuously conducted so that the bobbins can be continuously supplied. CONSTITUTION:A bobbin feeding device has a tray carrying passage 2 having a tray cutting device 4; a shoot 7 having a guide opening and closing device arranged above the tray cutting device 4; and a driving mechanism for interlockingly operating the tray cutting device 4 and the guide opening and closing device. Thus, the supply of bobbins to a determined position, the insertion of bobbins onto a tray, and the carrying-out of the tray are continuously conducted, so that the supply of bobbins can be smoothly performed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a yarn supplying device for inserting a spun yarn into a tray for carrying it to the next step for various treatments.

[0002]

2. Description of the Related Art When supplying finely spun yarn to an automatic winder or the like, the yarns supplied one by one from a parts feeder are sequentially inserted into a tray conveyed by a conveyor and conveyed. Is being done. At that time, the tray conveyed on the conveyor is stopped at the insertion position by the stopper, the yarn from the parts feeder is put into the chute provided directly above it, and the yarn is guided by the guide provided at the bottom of the chute. Drop it while guiding it in the vertical direction, guide the lower conical surface part of the thread at the lower part of the guide, position the bobbin lower end and the peg, and insert upright, open the guide and release the stopper operation. The tube yarn was inserted and the tray was conveyed.

[0003]

SUMMARY OF THE INVENTION In the above-mentioned conventional apparatus, when inserting the yarn in the tray, before guiding the yarn in the tray, the lower guide portion guides the conical surface of the lower portion of the yarn. Position, then release the guide,
A two-step operation of inserting a bobbin was required. Therefore, the operation of inserting the yarn is discontinuous, which causes the yarn to be not smoothly supplied.

Therefore, the present invention provides a tubing yarn supplying device capable of continuously supplying tubing yarn to a predetermined position, inserting the tubing yarn into a tray, and carrying out the tray, thereby continuously supplying the tubing yarn. The purpose is to provide.

[0005]

In order to solve the above-mentioned problems, the present invention provides a tray cutting device in a tray transport path,
A chute provided with a guide opening / closing device is arranged above the tray cutting device, and a tube yarn feeding device having a drive mechanism for operating the tray cutting device and the guide opening / closing device in cooperation is constructed. The operation of supplying the tubing yarn to a predetermined position, inserting the tubing yarn into the tray, and carrying out the tray are continuously performed so that the tubing yarn can be smoothly supplied.

[0006]

Since the present invention is configured as described above, the tray is supplied to a predetermined position on the tray transport path by the tray cutting device, and the yarn thread dropped from the chute above the position is guided by the guide. While being inserted into the tray peg. By the guide opening / closing device that is interlocked with the tray cutting device, the guide yarn is unloaded from the inside of the guide to the tray transport path while the guide yarn is opened and the guide yarn is inserted into the tray.

[0007]

Embodiments of the present invention will be described with reference to the drawings. A cutout disc 4 that rotates around a shaft 3 is provided adjacent to a tray conveyance path 2 that conveys the tray 1. Four semicircular cutout grooves 5 are provided at equal intervals on the outer circumference of the cutout disk 4, and when the cutout disk 4 rotates, the tray 1 on the conveying path is fitted into the cutout groove 5 to form a tube thread insertion portion. Supply yarn to No. 6.

A chute 7 is provided above the pipe thread inserting portion 6, and a guide 8 is provided below the chute 7. As shown in FIGS. 2 and 3, the guide 8 is fixed on the rear half of the tray feed path 2 on the tray supply side to form a fixed guide 10, and the half of the front half on the tray unload side is further divided into half. Movable guide 11 having a quarter circumferential surface of cylindrical guide 8,
12 are formed. A first arm 13 extending rearward is fixed to a side surface of the first movable guide 11, and a second arm 14 similarly extending rearward is fixed to a side surface of the second movable guide 12. The first arm 13 and the second arm 14 have elongated holes 16, 16 at one end, and are swingably supported by a shaft 15 loosely fitted in the elongated holes 16, 16 at the center position on the back side. The other ends are fixed to the first movable guide 11 and the second movable guide 12, respectively.

A U-shaped fixed hinge 17 is fixed to the fixed guide 10 and extends to the back side. The fixed hinge 17 is provided with shafts 18 and 19 at both ends thereof, the shaft 18 is connected to the central portion of the first arm 13, and the shaft 19 is connected to the central portion of the second arm 14.

A bracket 25 is provided on the rear surface of the fixed guide 10.
Is fixed. A fourth photoelectric element 67 for detecting the inserted thread is fixed to the bracket 25, and the photoelectric element 67 for detecting the inserted thread detects the presence of the thread in the guide 8 through the window 27 provided on the back side of the fixed guide 10. It is detected whether or not to do. A pushing rod 28 is inserted into the window 27, one end of which is fixed to the shaft 15, and the other end of which is fixed a pushing plate 30 that pushes out the bobbin in the guide 8.

One end of an opening / closing lever 31 is connected to a shaft 15 that supports the first arm 13 and the second arm 14 in an intersecting manner,
The other end is supported on a base 33 by a support shaft 32. A cam plate 35, which is rotationally driven by a shaft 34, is in contact with an intermediate side portion of the opening / closing lever 31. The cam plate 35 is provided with four cam protrusions 36, 36, 36, 36. When the cam protrusion 36 pushes the opening / closing lever 31, the opening / closing lever 31 swings and pushes the shaft 15, so that FIG. As shown, the first movable arm 13 and the second movable arm 14 rotate about axes 18 and 19 to open the first movable guide 11 and the second movable guide 12, thereby forming an opening 37. At the same time, the extrusion shaft 28 is extruded into the guide, and the extruding plate 30 extrudes the tubing inside the guide from the openings 37 of the first movable guide 11 and the second movable guide 12 opened as described above.

A pulley 38 is attached to the shaft 34 that drives the cam plate 35.
Is fixed, is linked with the pulley 41 of the cutting disk 4 by the belt 40, and is driven by the motor 42 provided at the end of the shaft 34.

The guide 8 is composed of an upper expanding portion 43, an intermediate cylindrical portion 44, and a lower throttle portion 45, and a lower end of the throttle portion 45 is provided with a cylindrical bobbin guide portion 46. Thereby, the yarn thread dropped from the chute 7 is gradually directed in the vertical direction, enters the cylindrical portion 44 from the expanding portion 43, and guides the bobbin 47 by the bobbin guide portion 46 at the lower end, as shown in FIG. The central axis 50 of the tray 1 and the axis of the bobbin 47 supplied to the tube inserting section 6 are made to coincide with each other by the cutting disk 4. At this time, the squeezing portion 45 receives the lower end taper portion 51 of the tubing, and the lower end of the bobbin is held halfway at the tip of the tray.

On the other hand, as shown in FIG. 1, above the chute 7, a yarn introducing member 53 which is rotationally driven by a motor 52.
Are provided on both sides thereof, and top and bottom determining devices 54 and 55 having a top and bottom determining function for identifying the lower side of the bobbin based on the thickness of the bobbin while guiding the tubing are provided.

The yarn introducing member 53 includes a yarn feeder 56.
Are arranged and aligned by the parts feeder 57.
The yarns 60 conveyed individually are transferred to the belt feeder 61, and the yarns are conveyed from the hopper 62 to the yarn feeder 56.

Photoelectric elements are arranged at necessary places in these yarn supplying mechanisms, and signals are input to the control device for comprehensive control. That is, the first photoelectric element 64 is provided at the exit of the parts feeder 57, and the second photoelectric element 65 is provided at the hopper 62 portion.
The third photoelectric element 66 is attached to the thread feeder 56, and the fixed guide 1
The fourth photoelectric element 67 for detecting the inserted tube yarn is arranged on the back surface of 0, and the fifth photoelectric element 68 for detecting that the tray is supplied to this position is arranged in the yarn thread inserting portion 6 of the tray transport path 2. is doing. Further, a rotation amount detecting element 70 is provided for detecting the rotation amount of the yarn introducing member 53, and a rotation amount detecting element 71 is further provided for the cutting disk 4.

In the operation of the above apparatus, the operation of the parts feeder 57 supplies the yarns to the upper outlet of the parts feeder 57 while aligning them one by one, and the first photoelectric element 6 is operated.
4 is controlled so that the yarn is always present at the outlet of the parts feeder 57.

When it is detected by the second photoelectric element 65 that there is a space for supplying the yarn in the hopper 62,
The drive motor 59 of the belt feeder 61 is driven to feed the yarn into the hopper 62 at the outlet of the parts feeder 57. The third photoelectric element 66 monitors whether or not there is a yarn in the yarn feeder 56 following the hopper 62.

With respect to the yarn in the yarn feeder 56, when the fourth photoelectric element 67 detects that there is no yarn in the guide 8, the motor 52 is actuated, and the yarn introducing member 53 is operated by the fourth yarn. Rotating while holding the tubing in the groove, at that time,
For both ends of the bobbin of the bobbin, the top end of the bobbin is discriminated by the top end discriminating devices 54 and 55, and the top end side of the bobbin is brought into contact with one of the pins 69 and 69, and the bobbin is fed into the chute 7, The hips fall downwards and gradually fall while falling vertically. When the thread inserting member 53 rotates 180 degrees, the drive of the motor 52 is stopped by the signal from the rotation amount detecting element 70.

When the tray arrives at the tube thread inserting section 6 of the tray transport path 2, the fifth photoelectric element 68 detects that the tray has been supplied to the tube thread inserting section 6, and the fourth photoelectric element 67 detects that the tray has been supplied. By detecting the absence of the tubing in the yarn feeder 56, the motor 52 is actuated, and the tubing introducing member 53 rotates while holding the tubing in the groove thereof, and the top end discrimination devices 54, 5
The top end of the bobbin is discriminated by 5 and the bobbin is inserted into the chute 7 while the upper end side of the bobbin is in contact with one of the pins 69, 69, and the bottom part of the bobbin falls downward. The tubular thread falls while being guided by the inner surface of the guide 8, and the bobbin 47 of the tubular thread is received by the cylindrical bobbin guide portion to accurately perform the centering, and the narrowed portion 45 of the guide 8 causes the lower tapered portion of the bobbin. It supports 51 and the lower end of the bobbin hangs about halfway on the tip of the tray.

When it is detected by the third photoelectric element 66 that there is a yarn in the yarn feeder 56, the motor 4
When 2 is driven and rotated, the cam 35 rotates and the opening / closing lever 31 is pushed by the cam protrusion 36. As a result, as described above, the first movable guide 11 and the second movable guide 12 are opened, and the held tubing is dropped and inserted into the peg 9 of the tray 1. At this time, the pipe thread extruding plate 30
Serves to guide the yarn inside the guide out of the guide. The tray cutting disk 4 rotates, guides the tray to the cutting groove 5, holds the tray, and supplies the tray to the thread inserting section 6.

At the same time, the tray cutting disk 4 also rotates in conjunction with the tray 1, and the tray 1 is unloaded from the tube thread insertion position 6 while inserting the tube thread. When the motor 42 further rotates, the tube thread is unloaded. The movable guides 11 and 12 are gradually closed and returned to the original state, and when the cut-out disc 4 is rotated one quarter by the rotation amount detection element 71, the motor 42 is stopped to temporarily stop. By repeating the above operation, the tube yarn is inserted into the tray and conveyed on the tray conveying path 2, and is conveyed to the yarn end outlet processing device and the automatic winder in the next step.

[0023]

Since the present invention is constructed and operates as described above, since the tray cutting device and the guide opening / closing device are interlocked with each other, at the same time when the yarn is supplied to the predetermined position, the yarn is pegged on the tray. The guide opening / closing device opens, the tray is carried out from the guide, and a series of operations such as feeding the next tray to a predetermined position can be continuously performed. It is possible to eliminate this, and it becomes possible to smoothly supply the yarn, which improves the work efficiency in the factory.

[Brief description of drawings]

FIG. 1 is a perspective view showing an overall configuration of a yarn supplying device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the vicinity of the guide portion of the yarn feeding device according to the embodiment of the present invention.

FIG. 3 is a perspective view of a guide portion of the yarn feeding device according to the embodiment of the present invention.

FIG. 4 is a cross-sectional view of a tube thread inserting portion of the tube thread supply device according to the embodiment of the present invention.

[Explanation of symbols]

 1 Tray 2 Tray Conveying Path 3 Shaft 4 Cutting Disk 5 Cutting Groove 6 Tubular Thread Inserting Part 7 Chute 8 Guide 10 Fixed Guide 11 First Movable Guide 12 Second Movable Guide 13 First Arm 14 Second Arm 16 Long Hole 17 Fixed hinge 25 Bracket 27 Window 28 Push-out rod 30 Push-out plate 31 Open / close lever 33 Base 35 Cam plate 37 Opening 42 Motor 43 Expansion part 44 Cylindrical part 45 Throttling part 46 Bobbin guide part 51 Taper part 52 Motor 53 Pipe thread insertion member 54 Tenjiri Judgment Device 55 Tenjiri Judgment Device 56 Pipe Thread Feeder 57 Parts Feeder 61 Belt Feeder 62 Hopper 64 First Photoelectric Element 65 Second Photoelectric Element 66 Third Photoelectric Element 67 Fourth Photoelectric Element 68 Fifth Photoelectric Element 70 Rotation Amount Detection Element 71 Rotation amount detection element

Claims (1)

[Claims] 1. A tray cutting device is provided in a tray transport path, a chute having a guide opening / closing device is arranged above the tray cutting device, and a drive mechanism for operating the tray cutting device and the guide opening / closing device in cooperation with each other is provided. A yarn supplying device characterized by being provided.