KR19990068573A - Tension adjusting device of yarn - Google Patents

Abstract

The present invention by installing a tension control device that can adjust the tension of the thread on the way through the thread (絲: slope) by adjusting the thread (tilt) drawn from the creel or bobbin to an even tension each square ( By equalizing the tension of each section, it is possible to produce high quality textile products.

Description

Thread adjusting device of yarn

The present invention is to install a thread tension control device that can adjust the tension of the thread on the way through the thread (tilt) to pick out the thread (tilt) drawn from the thread source such as creale or bobbin By adjusting the tension to equalize the tension of each section (scene) to be able to produce high-quality fiber products.

In general, a thread wound on a thread source such as a creel or bobbin gradually decreases (or becomes larger) in diameter (wound) as it unwinds (or winds), so that the thread wound on the inside and the thread wound on the outside ), Tension deviation occurs.

The bobbin thread has a difference in tension between the first part and the end part of about 2 g / cm 2 to 5 g / cm 2, and thus, a tension deviation occurs between unit sections (sections) sectioned by the drum of the war game machine.

Therefore, when the canoning work according to the existing method, the tension difference is generated for each hair and the volume (layer) is also changed. When dyeing the fabric after beaming and weaving, color and dichroism are generated, which causes deterioration of fiber quality. do.

Therefore, the present invention is to install the thread tension control device that can adjust the tension of the thread on the way through the thread (tilt) by each section (section) canonized by adjusting the pulling or moving the thread to an even tension It aims to be able to produce high quality textile products by uniformizing tension.

In order to achieve the above object, each string that is fixed by the drum of the warp machine by installing the thread tension control device of the present invention between the warp through the warp thread (e.g., a creel or bobbin) and the warp machine. The tension per section can be made uniform.

In addition, the thread tension control device of the present invention is installed between a thread supply source such as a creel or a bobbin and a stool (four beds) installed in front of the warp machine, and for each section (section) that is warped by the drum of the warp machine. The tension can be made uniform.

In addition, as shown in Figure 1, the thread tension control device of the present invention is installed between the bow body and the oscillating bed (saddle bed) or the warp machine as shown in FIG. You can.

In addition, the yarn tension control device of the present invention to maintain the interval between the incoming thread to prevent the contact or agglomeration of the yarns and to periodically elevate the pressure rod and the body, the body to evenly spread the yarn to the yarn Body lifting device to prevent damage to the body (wearing), guide roller to guide the movement of the thread, tension roller to adjust the tension of the thread, thread to maintain even tension by adjusting the rotational force of the tension roller Tension control means, tension roller lifting device that raises the tension roller when trimming, which can solve the trimming, trimming detection means for detecting the trimming by laser light with high sensitivity and reliability, and braking to brake the tension roller when the trimming is detected. It is largely comprised of an apparatus and a thread fixing means which winds up a thread which is not normal and stops drawing or moving.

In the present invention, when the tension of the thread is controlled by the braking force of the tension roller, the current-controlled powder clutch can be used as the seal tension adjusting means, and when the rotational force of the tension roller is controlled by the acceleration / decrease method, the forward / reverse of the same as the servo motor. The precise tension of the thread can be adjusted by using a precision control motor with variable speed.

1-a layout view of one embodiment of the present invention.

2-a plan view of the present invention.

3-right side view of the present invention.

4-Front view of the body part of the invention.

Figure 5-side view of the tension roller in the raised state in the present invention.

Figure 6-side view of the tension roller in the lowered state in the present invention.

7-front view of an embodiment of the present invention tension adjusting means.

8-Front view of the braking device part of the present invention.

Figure 9-Front view of the seal fixing means of the present invention.

<Explanation of symbols for the main parts of the drawings>

(2)-tension regulator (4) (4a)-thread

(6)-body (6a)-body

(8)-Pressure bar (10) (12)-Side plate

(14) (16)-Hanging Rod (18)-Thread Guide Roller

(20) (22)-Tension Roller (24)-Flood

(26)-Receiver (28) (30)-Guide

(32) (34)-Supporting (36) (38)-Eccentric Cam

(40)-Spin Bar (42)-Geared Motor

(44) (46)-Chain Sprockets (48)-Chain

(50) (52)-Heel Bar (54)-Cover

(56)-Case (58)-Inlet

(60)-Outlet (62) (64)-Gear

(66)-disc (68)-disc brake

(70)-Powder Clutch (72) (74)-Timing Pulley

(76)-Timing Belt (78)-Piece

(80)-Tension Variable (82)-Child Roller

(84)-Shaft (86) (88)-Air Cylinder

(90) (92)-Bracket (94) (96)-Rod of Air Cylinder

(98) (100)-Rotation (102)-Shaft Pin

(104)-stopper (106)-height adjustment

(108)-twist (110)-thread fastener

(112)-Horizontal Frame

Hereinafter, the preferred technical configuration and working relationship of the yarn tension control device 2 of the present invention will be described in detail with reference to the accompanying drawings.

Thread tension control device (2) is to maintain the interval of the thread (4) to be introduced to prevent the contact or agglomeration of the threads between the pressure rod (8) and the body (6) to evenly spread the thread; Body lifting means for raising and lowering the body 6 periodically to prevent damage (abrasion) of the body 6 from friction of the seal 4, guide means for guiding the movement of the seal 4, tension of the seal ) A pair of tension rollers to adjust), the thread tension control means to maintain the even tension by adjusting the rotational force of the tension rollers, and when the thread is trimmed, it raises the tension roller to solve the trimming. Tension roller lifting means to raise the pressure, cutting detection means for detecting the trimming by laser beam with excellent sensitivity and reliability, braking means for suddenly braking the tension roller when the trimming is detected, and take-out or movement stop by winding the thread that is not As a thread fixing means It is composed.

Further, as shown in Fig. 1, the thread tension adjusting device 2 of the present invention is installed between the bow body 5 through which the thread (tilt) passes, and the five-stage (four-bed) 7 or the warp machine 9 to fix. It is possible to equalize the tensions for each of the sections (sections) s1 to s6 set to the drum 11 of the game 9.

In addition, the thread tension control device 2 of the present invention is installed between the thread supply source 3, such as a creel or bobbin, and the warp machine 9 through which the warp yarn passes, for example, the drum of the warp machine 9. It is possible to equalize the tension for each of the sills (s1) to (s6) normalized to (11).

In addition, the thread tension control device 2 of the present invention is installed between a thread source (3) such as a creel or a bobbin and a five-stage (7 bed) 7 installed in front of the warp machine (9). It is possible to equalize the tensions for each of the s1 to s6 scenes that are normalized by the drum 11 of the game 9.

On the other hand, by pressing the entire thread drawn into the body (6) to evenly spread in a horizontal state to the left and right plates 10, 12 of the thread tension adjusting device (2) Rotating, and the inner side of the left and right side plates (10) and (12) are installed so that the engaging rods (14) and (16) face each other so that the pressure rod (8) is not inclined toward the body (6). Allow it to stand up.

The pressure bar (8) is pressed by the entire thread by its own weight, to form a plating film such as chromium on the surface of the pressure bar (8) to prevent abrasion by friction of the seal (4).

The left and right plates 10 and 12 have an outer diameter larger than that of the elevating body 6, the thread guide roller 18, and the thread guide roller 18 to enlarge the contact section of the thread 4; A pair of tension rollers 20 and 22 are installed so as to be parallel to each other, and one tension roller 20 is installed in a structure that can be lifted, and on the left and right sides of the tip of the thread tension control device 2. A pair of light emitters 24 and light receivers 26 are respectively installed to detect trimming.

Meanwhile, when the body 6 is fixed, the body flesh 6a is intensively worn by the frictional force of the thread 4, so that the body 6 is periodically raised and lowered by using the lifting means as shown in FIG. The life of the body 6 is extended by extending the section where the body flesh 6a and the thread rub.

That is, the support grooves 32 and 34 in which the guide grooves 28 and 30 are vertically formed on the inner surfaces of both side plates 10 and 12 are fixed, and the body 6 is formed in the guide grooves 28 and 30. Loosely put the lifting bar (50) (52) fixed to both sides of the), and the eccentric cam ( The lower surface of the elevating rods 50 and 52 is in sliding contact with the outer circumferential surface of the 36 and 38, and the chain is connected to the shaft of the geared motor 42 fixed to the one end of the rotating rod 40 and the one side plate 10. The sprockets 44 and 46 are respectively fixed, and the chain 48 is connected to the sprockets 44 and 46 so that the geared motor 42 rotates in one direction so that the eccentric cams 36 and 38 are eccentric. By causing the body 6 to move up and down, the seal 4 passing through the body 6 is evenly rubbed against the body flesh 6a, thereby extending the life of the body 6.

The lifting body (6) as a whole ascend at the same time, the motor 42 used in the lifting means of the body (6) can be reduced by the geared motor 42 of the variable speed to adjust the lifting speed of the body (6) The lifting speed of the body 6 may vary depending on the type of the yarn 4, the denier value of the yarn 4, the normal speed, and the like, but is preferably set before and after 60 RPM.

In addition, the lifting stroke of the body 6 may vary the lifting stroke of the body 6 according to the size and eccentricity of the eccentric cams 36 and 38, and may vary depending on the size of the body 6. It is preferable to set the lifting stroke of (6) to about 5 mm-about 30 mm.

In addition, it is preferable that the transmitter / receivers 24 and 26 for detecting trimming use the projectors and receivers 24 and 26 that use a laser beam rather than an infrared sensing method that is inferior in detection capability and reliability.

In addition, when the laser beam is shielded by a fly or foreign object or a passing or passing hand or object between the transmitter 24 and the receiver 26, the sensor may be misdetected by cutting so that the detachable cover 54 as shown in FIGS. 5 and 6. The transmitter / receivers 24 and 26 are housed and installed in the case 56 having the same to prevent the misdetection.

The inlet hole 58 and the outlet hole 60 are respectively formed at the front and rear of the case 56 to allow the seal 4 to pass therethrough.

At one end of the tension rollers (20) and (22), the gears (62) and (64) engaged with each other are inserted and fixed so that the tension rollers (20) and (22) rotate in opposite directions to each other, and the tension rollers (22) 8 is fixed to one end of the disc as shown in FIG. 8, and the disc brake 68 is installed on one side plate 10 to interlock with the braking device of the warp machine 9. The drum 11 and the tension roller 22 of the race 9 can be braked simultaneously.

The other side plate 12 is provided with a powder clutch 70, which is a kind of thread tension adjusting means, as shown in Figs. 6 and 7, and on the shaft of the powder clutch 70 protruding outward from the other side plate 12 The timing pulley 74 is inserted and fixed, and the timing pulley 72 is also fixed to the other end of the tension roller 22, and then the timing belt 76 is fastened so that the rotational tension of the tension roller 22 can be adjusted. On one side of the (12) is provided with a tension variable device 80 that can be adjusted by the piece 78, the idler roller 82 is provided on the shaft of the tension variable device 80 is in contact with the timing belt 76. To adjust the tension of the timing belt 76.

The powder clutch 70 is axially installed such that a driving body having a driven body and an excitation coil is formed to have a certain gap on the concentric circle, and the powder is inserted in the gap, and the powder is unexcited. In the state of 상태), the driving body rotates idling even when the driving body is rotated, but when the current is applied and excited, the powder becomes magnetized and the driving body and the driven body are driven by the frictional force between the powder and the working surface magnetized by this magnetic coupling force. Is connected to the rotating torque (torque) is transmitted, the rotation torque is determined according to the magnitude of the current applied to the powder clutch.

Therefore, in the present invention, by varying or fixing the current applied to the powder clutch 70 to equalize the tension of the tension rollers 20 and 22, the diameter or tension of the thread drawn out from the thread supply source 3 such as bobbin or creel. Irrespective of the difference, the tension of the yarn 4 fixed to the warp machine 9 can be maintained evenly, thereby producing high quality fiber products.

When trimming is sensed in the present invention, the power supplied to the powder clutch 70 is cut off to add the braking effect of the tension roller 22.

After installing the guide roller 18 or the tension roller 22 to allow some flow (slide movement), and then install a load cell (not shown) on both sides of the guide roller 18 or the tension roller 22 The tension tensioning device of the present invention to detect the tension of the thread to be guided, and the tension of the detected thread is connected to a controller for controlling the powder clutch 70 to automatically control the powder clutch 70 with feedback. The tension may be automatically controlled, and a load cell installed in the guide roller 18 or the tension roller 22 may be installed in an idle roller (not shown) installed in the table of the tabletop device to detect the tension. .

The powder clutch 70 used as the seal tension control means in the above can only obtain the braking effect of reducing the tension of the yarn 4 being moved by the refining power, so the powder tension control means in the present invention. When the rotational force of the tension roller 22 is maintained at a constant speed by using a precision control motor of the same type as a servo motor capable of forward / reverse rotation and shifting instead of the clutch 70, an even tension of the seal 4 may be achieved. In this case, not only the constant speed deceleration of the yarn 4 but also the constant speed acceleration of the yarn 4 can be achieved.

On the other hand, Figure 5, Figure 6 shows the lifting device (elevating means) of the tension roller 20 of the present invention, rotating the shaft 84 parallel to the guide roller 18 on both side plates (10) (12). The cylinders are fixed to one side of both side plates 10 and 12, and the air cylinders 86 and 88 are fixed to the brackets 90 and 92, and the pivot rods are provided on both sides of the shaft 84. The middle portion of the (100) is inserted and fixed, and one side of the rotation 98 (100) 100 is coupled to the ends of the rods 94 and 96 of the air cylinders 86 and 88 by the shaft pin 102, and rotates. On the other side of the liver 98, 100, both ends of the tension roller 20 are axially mounted so that the tension roller 20 can be elevated according to the appearance of the rod 94 of the air cylinder 86.

In addition, the stopper 104 is fixed to both side plates 10 and 12 so as to determine a limit that the rotation 98 and 100 can descend, and the stopper 104 has a height adjusting means such as a bolt. Fine adjustment of the lowering limit of the rotation 98 (100) with the (106) to ensure that the gears 62, 64 mesh with each other.

In the above case, when the lower-priced yarn is of low quality or when the tension of the thread is unnecessary, or when the thread is cut by cutting, the tension of the thread 4 needs to be released. In this case, as shown in FIG. Immersion of the rod 94 in the cylinder 86 causes the rotation 98 and 100 to rotate in the clockwise direction, and the tension roller 20 rises to prevent contact with the thread 4, thereby preventing tension of the thread 4 The adjustment is released.

In addition, if you want to produce a thread sensitive yarn or high-quality fiber products, it is necessary to adjust the tension of the yarn 4 by lowering the tension roller 20 in the case of finding a thread that has been trimmed. In this case, as shown in FIG. 6, when the air cylinder 86 protrudes from the rod 94, the rotation period 98 and 100 rotate counterclockwise, and the tension roller 20 descends.

The thread 4, which was maintained in a horizontal state, moves while being in contact with the bottom surface of the tension roller 20 and the upper surface of another tension roller 22 by the lowering of the tension roller 20, and the tension roller 20 Since the gears 62 and 64 fixed to the shafts of the tension rollers 20 and 22 are engaged with each other by the lowering of the tension rollers 20 and 22, the tension rollers 20 and 22 rotate in opposite directions, and the powder clutch 70 The yarn 4 is moved to a uniform tension by the constant braking action of.

In addition, a plurality of thread fixing means 110 having a twist 108 formed at the end as shown in FIG. 9 is horizontally fixed to the side plates 10 and 12 at appropriate intervals so as to wind and fix the thread 4a that is not normal. Can be.

The thread fixing means 110 may be fixed to both sides of the horizontal frame 112 or the case 56 to wind and fix the yarn 4a that is not square.

Reference numerals (13) denote the beamer, (15) the beam of the beamer, (114) the shaft bearing, (116) the brake hose, (120) the piece, and (122) the anchor bolt.

As described above, the present invention can be adjusted by installing a tension control device that can adjust the tension of the thread on the road passing through the yarn (tilt) to adjust the yarn (tilt) drawn from the creel or bobbin to an even tension. Since the tension of each section is equalized, it is possible to produce high-quality fiber products, such as preventing abnormal tension, colors, and discoloration.

Claims (7)

By installing a thread tension control device that can control the tension of the thread on the way through which the thread (tilt) passes, by adjusting the pulling or moving thread to an even tension, equalize the tension of each thread (section) Thread tensioning device characterized in that to produce high quality textile products. The method of claim 1, wherein the thread tension control device prevents the contact and agglomeration of the thread to be introduced and the threads are prevented and the pressure bar, the body, and the body to raise and lower the thread evenly to the thread periodically Body lifting device to prevent the damage of the body caused by wear, guide roller to guide the movement of the thread, tension roller to adjust the tension of the thread, thread to maintain even tension by adjusting the rotational force of the tension roller (絲) Tension control means, the tension roller lifting device that can raise the tension roller when trimmed, and the trimmer can detect the trimming by laser light with high sensitivity and reliability. Braking device, the yarn tensioning device characterized in that it comprises a thread fixing means for stopping the take-out or movement by winding a thread that is not normal. The powder clutch 70 and the tension roller 22 are provided with power transmission means according to claim 1 or 2, wherein the current control powder clutch 70 is provided on the other side plate 12 as a seal tension adjusting means. Thread tension control device characterized in that to connect to the tension roller 22 to adjust the rotational tension. The tension rollers (20) and (22) interlocked in opposite directions by installing gears (62) (64) engaged with each other at one end of the tension rollers (20) and (22). At one end of the tension roller 22, a brake device interlocked with the brake device of the warp machine 9 is installed to suddenly brake the drum and the tension roller 22 of the warp machine when cutting is detected. Thread tension control device characterized in that. The elevating means of the tension roller (20) is provided with a shaft (84) parallel to the guide roller (18) on both side plates (10) and (12), and both side plates (10). 12) the air cylinders 86 and 88 are fixed to the shaft, and the middle portions of the rotational sections 98 and 100 are fixed to both sides of the shaft rod 84, and one side of the rotational sections 98 and 100 is It is coupled to the ends of the rods 94 and 96 of the air cylinders 86 and 88 by the shaft pins 102, and the other sides of the rotation portions 98 and 100 are installed by shafting both ends of the tension roller 20. The cylinder tension adjusting device, characterized in that the tension roller 20 can be raised and lowered according to the appearance of the rod (94). The method of claim 5, wherein the guide roller 18 or tension roller 22 is installed so as to flow more or less, and then guided by installing load cells on both sides of the guide roller 18 or tension roller 22. Sensing the tension of the thread, the sensed tension of the thread is connected to the controller for controlling the powder clutch 70 is characterized in that the automatic control of the tension of the thread by controlling the powder clutch 70 in a feedback manner Thread tension adjusting device. 7. The thread tension adjusting device according to claim 6, wherein a precision control motor capable of forward / reverse rotation and shifting is installed instead of the powder clutch 70 to automatically control the tension of the thread.