JPS60228363A - thread winding device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention]

[Industrial Application Field] The present invention relates to a thread winding device for winding a thread wound around an original bobbin in portions onto a winding bobbin.
The present invention relates to a device suitable for use in winding adhesive thread coated with adhesive. [Prior Art] Seine, nylon, etc. are usually used as reinforcing threads for refined and coarse rubber hoses, but especially those with low elasticity such as nylon threads will stretch and deform if the tension is high when winding them up on a bobbin. When a bose is braided with stretched and deformed yarn, the yarn may shrink due to heat during vulcanization, causing the yarn to bite into the inner tube of the bose, and the appearance of the hose may be impaired. In particular, sticky yarn coated with adhesive requires a large amount of force to take out from the original bobbin.Since the force required to take out the soil varies, if you wind it directly onto the winding bobbin, it will cause the yarn to elongate only as described above. In addition, the thread may become wedged or slack in the bobbin, causing thread breakage when the thread is fed from the bobbin f's +. Furthermore, although the winding bobbin is usually rotated at a constant speed,
In this case, as the amount of winding increases, the winding speed of the yarn increases, and accordingly, the tension of the yarn also increases rapidly. [Object of the Invention] In view of the above-mentioned conventional problems, an object of the present invention is to provide a thread winding device that can always wind thread at a stable and low tension. [Structure of the Invention] The thread winding device of the present invention pulls out the thread wound around the original bobbin, makes variable the speed of the delivery roller that sends out the thread, and suspends the thread delivered from the delivery roller to adjust the tension of the thread. Moves when exceeds a predetermined value. Set up a movable roller.

[B] The moving roller is configured to detect movement of the movable roller and control the speed of the feed roller in order to return it to its original position. 〔Example〕

Figure 1 shows the overall configuration of the device. In the figure, 1 is the original bobbin around which the adhesive thread is wound, and 2 is the delivery roller. The feed roller 2 is rotatably driven by a belt attached to a variable speed motor 3, and a yarn splice detection roller 21 is in elastic contact with the outer periphery of the feed roller 2. Reference numeral 4 designates a movable bobbin that can move up and down along a guide shaft 43, and 5 designates a winding bobbin (hereinafter referred to as a bobbin). The small bobbin 5 is attached to a belt on a motor 51 and rotated at a constant speed. The adhesive thread F is sandwiched between the contact surfaces of the feed roller 2 and the detection roller 21 through a temporary spring-type mechanism 1-71, and as the roller 2 rotates, the adhesive thread F passes through a temporary spring-type mechanism 1-71. f
+t+ is pulled out. The pulled out thread passes through a guide roller 72 and reaches a fixed roller 42 provided opposite to the movable roller 4. After being reciprocated about 4 times between rollers 4 and 42, it is passed through guide rollers 73 and 74, tension guide 75, guide [1-rough 6, length measuring roller 77, guide roller 78, and traverser 79, and then small winding. It has reached bobbin 5. Note that the traverse lift 9 is coupled to a motor 51 by a belt and is reciprocated. The movable roller 4 applies a predetermined tension to the thread F suspended thereon, and moves the guide shaft 43 up and down when the tension exceeds a predetermined value. In other words, [1
- chain 4 suspended from chain 44
The weight 46 of the thread F is suspended from one end of the thread F, and the weight 46 of the thread F is suspended from one end of the thread F. The machine stops when the ff1l of the j-item 46 is suspended, and the tension of the thread F lowers or tops, depending on whether the weight of the j-item 46 is greater or smaller than the weight of the j-item 46. Suspended sprocket 44
A boresiometer 8 is attached to the rotating shaft of the rotary shaft, and the movement of the cola 41 is detected by this. The detection signal of the 3-meter 8 is input to the control device 9, and the control device 9 controls the roller 4 based on the signal.
The speed of the variable speed motor 3 is controlled so as to always maintain the motor at a predetermined position (original position). The operation of the apparatus having the above configuration will be explained below. The adhesive yarn F is forcibly pulled out from the original bobbin 1 by the feed-out roller 2 in elastic contact with the detection roller 21, and is fed out from the roller 2 at a yarn speed corresponding to the number of rotations. The fed yarn is applied with a predetermined low tension (200 degrees or more in this embodiment) by a movable roller 4, and is taken off by a small bobbin 5. When the winding amount of the small winding bobbin 5 increases, the yarn winding speed increases by 1 and becomes higher than the yarn feeding speed from the sending roller 2. This increases the tension of the thread F and moves the movable roller 4 downward. This movement is detected by the podensiometer 8, and the control device increases the speed of the variable speed motor 3 in order to return the movable 1-1-ra 4 to its original position.When the yarn feed speed increases, the speed of the yarn increases. gradually decreases, and the movable roller 4 returns to the original device. At the time of return, the thread winding speed and the thread j slipping speed match by 1, and the thread F is attached to the small winding bobbin 55 at the predetermined 1 rotation.
It is wound up. Here, Fig. 2 shows the changes in the position of the movable roller 4 as shown in the above-mentioned small volume (1).
2 care, 3□11 work, □1, -u. 1 starts to move sensitively even if the valve of J lit of the thread 46 is small (approximately ±20 g in this embodiment). Therefore, the winding run of the thread is 200g±20<
It is always controlled accurately within the + range. The amount of yarn remaining in the original bobbin 1 is detected by a reflective phototube 81 and a reflective plate 82 that are placed opposite to each other, and when the remaining yarn 01 decreases, the device is stopped by the output signal of the phototube 81. do. 1. When the thread tension suddenly increases or decreases due to some kind of force, the movable roller 4 moves to the guide shaft 4.
Move to the first or upper end of 3. This is detected by the limit switches 47 and 48 provided at the upper and lower ends of the shirt [~/1.3], and the indicator light 84 lights up as soon as the device is stopped. When the thread passes through the thread, the detection roller 21, which is brought into elastic contact with the delivery roller 2, is pushed up. This is detected by the limit switch 22, and a lamp 85 indicating passage of the seam lights up. Is there a magnet on the circumferential surface of the measuring roller 77? Ei 771 is attached, and by detecting the passage of the magnet 771 with the proximity switch 83 and correcting the number of turns of the length measuring roller 77, the amount of yarn to be wound can be measured.゜The outer circumference of the length measuring roller 77 is 1n1. Guide rollers 73, 74, 7G, 78 are all made of light resin (due to inertia during deceleration, etc.) (these rollers 73, 71.7G, 78 do not cause Δ-bar run, Do not let the thread fall off. [Effects of the Invention] As described above, the thread winder of this Komei has a movable part 1]-A which moves when the tension of the suspended thread exceeds a predetermined value.
While detecting the movement from the original position, the movable 11-
In order to return the yarn to the original position, the speed of the yarn is controlled, and even if the winding speed changes, the yarn is always wound at a constant low tension.In particular, the elastic modulus is It can be used to wind low adhesive threads with great effect.

[Brief explanation of drawings]

Fig. 1 is an overall configuration diagram of the device, and Fig. 2 is a diagram showing favorable changes in the position of the movable [1-R] that is pressed when winding a small winding. 1... Original bobbin 2... Feeding 1-Ra 3... Variable speed motor 4... Movable [1-Ra 5... Winding bobbin 8... Potentiometer (position detection sensor) 9
・・・・・・Motor control equipment fee Motomu Ito, patent attorney Figure 1

Claims (1)

[Claims] A delivery roller that pulls out the thread wound on the original bobbin and sends it out, and a delivery roller that rotates the delivery roller.
A variable speed motor that tightens the thread, a movable motor that suspends the thread sent out from the cola and moves when the tension of the thread exceeds a predetermined value, and A winding bobbin that winds the yarn at a constant speed, a detection sensor that detects movement of the movable roller from its original position, and an output signal from the detection hinge are input to return the movable roller to its original position. and a motor control device for controlling the rotational speed of the variable speed motor.