CN110055664B - Disc type yarn outlet device capable of controlling tension and working method thereof - Google Patents

Abstract

The invention relates to a disk-type tension-controllable yarn discharging device and a working method thereof, which includes a yarn storage disk, a fixed bearing, a double-chain ball bearing, an electromagnet assembly and a telescopic rod; wherein, the yarn storage disk has It includes a yarn storage trough, with yarn wound inside the yarn storage trough; the fixed bearing is located in the center of the entire yarn discharging device, and an electromagnet telescopic rod spring is evenly arranged on its outer surface; the double-chain ball bearing is located in the yarn storage trough. Between the fixed bearing and the fixed bearing, the electromagnet assembly is installed evenly distributed around the circumference; one end of the telescopic rod is in spring contact with the electromagnet telescopic rod, and the other end is in contact with the yarn; the electromagnet assembly and the telescopic rod are in contact with each other. The rod is connected and can control the expansion and contraction of the telescopic rod. The invention has a small structure, can effectively reduce the floor space of the creel, simplify the structure of the loom, and meet the requirements of controllable yarn tension.

Description

A disc-type yarn discharging device with controllable tension and its working method

【Technical field】

The invention relates to a component device of textile equipment, in particular to a disk-type yarn outlet device with controllable tension and a working method thereof, and belongs to the technical field of textile machinery.

【Background technique】

With the increasing demand for lightweight structures in modern aerospace, high-speed railways and new energy vehicles, fabric composite materials have been rapidly developed due to their excellent specific strength and specific modulus. As an important component of composite materials, high-performance fiber fabric determines the mechanical properties of the material. Through the transformation of traditional weaving processes, weaving of composite fabric reinforcements can be achieved. Narrow-width looms are a common means of quickly obtaining reinforcements for composite structural parts.

However, the large-scale manufacturing of composite structural parts is seriously hampered by the need to configure a creel that occupies a huge area. At the same time, the yarn discharging device of the prior art causes tension differences in each yarn discharging disc, causing weaving failure and fabric deformation.

Therefore, in order to solve the above technical problems, it is indeed necessary to provide an innovative disk-type yarn discharging device with controllable tension and its working method to overcome the above-mentioned defects in the prior art.

[Content of the invention]

In order to solve the above problems, the object of the present invention is to provide a disc-type yarn outlet device with controllable tension, which can reduce the space occupied by a narrow loom while reducing the weaving failure rate, and improve the weaving production efficiency and fabric uniformity. .

Another object of the present invention is to provide a working method of a disk-type yarn discharging device with controllable tension.

In order to achieve the above-mentioned first object, the technical solution adopted by the present invention is: a disk-type yarn discharging device with controllable tension, which includes a yarn storage disk, a fixed bearing, a double-chain ball bearing, an electromagnet assembly and a telescopic rod; Wherein, the yarn storage tray includes a yarn storage trough, and yarn is wound inside the yarn storage trough; the fixed bearing is located in the center of the entire yarn discharging device, and an electromagnet telescopic rod spring is evenly arranged on its outer surface; The double-chain ball bearing is located between the yarn storage tank and the fixed bearing, and the electromagnet assembly evenly distributed in the circumference is installed inside it; one end of the telescopic rod is in spring contact with the electromagnet telescopic rod, and the other end is in contact with the yarn ; The electromagnet assembly is connected to the telescopic rod and can control the expansion and contraction of the telescopic rod.

The disk-type tension-controllable yarn discharging device of the present invention is further configured as follows: the central circumferential area of the yarn storage disk is provided with evenly distributed grooves, and the head end of the telescopic rod is provided with a convex block; The block can cooperate with the groove to complete the rotation damping control of the yarn storage disk.

The disk-type tension-controllable yarn discharging device of the present invention is further configured such that a number of fixed rods are radially arranged on the outer surface of the fixed bearing, and the electromagnet telescopic rod spring is installed on the fixed rods.

The disk-type tension-controllable yarn discharging device of the present invention is further configured as follows: the double-chain ball bearing includes a bearing sleeve and a plurality of balls; the yarn storage disk and the bearing sleeve cooperate; and the balls are in the double-chain ball bearing. Evenly distributed on both sides, it supports the yarn storage tank and realizes the rotation movement of the yarn storage tank.

The disc-type tension-controllable yarn discharging device of the present invention is also configured as follows: the electromagnet assembly includes an electromagnet and an electromagnetic winding; the electromagnet is evenly fixed on the double-chain ball bearing in a circumferential shape, and the electromagnetic winding is connected to on the telescopic pole.

In order to achieve the above second purpose, the technical solution adopted by the present invention is: a working method of a disk-type yarn outlet device with controllable tension, which includes the following steps:

Step 1: Several yarn output devices are installed on the creel. The user sets the expansion and contraction state of each electromagnet in each yarn output device. The default starting value is the maximum yarn output damping;

Step 2: Contract the electromagnet telescopic rod one by one to reduce the yarn output damping and reduce the tension;

Step 3: By measuring the yarn tension, there are significant differences in the yarns of each yarn outlet device on the creel;

Step 4: If the yarn tension is too large, control the electromagnetic winding of the corresponding yarn outlet device to close, and the electromagnetic telescopic rod contracts to reduce the yarn outlet damping; if the yarn tension is too small, control the electromagnetic winding of the corresponding yarn outlet device. When disconnected, the electromagnetic telescopic rod extends to increase the yarn outlet damping;

Step 5: When the yarn tension and the set tension are within the difference range, the electromagnet maintains the current state.

Compared with the existing technology, the present invention has the following beneficial effects: the disc-type tension-controllable yarn outlet device of the present invention uses an electromagnet group to control the movement of the telescopic rod, and the electromagnetic winding will drive the movement of the telescopic rod, and the telescopic rod head A triangular bump is installed at the end, and the bump cooperates with the groove part in the middle of the bearing, so that the spring at the bottom exerts a radial force on the outer ring of the bearing, increasing the friction damping of the bearing, thereby increasing the yarn outlet tension. Tension; control the yarn tension by controlling the number of energized electromagnets; the greater the number of energized electromagnets, the smaller the yarn tension. The disc-type yarn discharging device meets the yarn tension condition requirements in narrow-width looms, and has a compact structure, reducing the area occupied by the creel.

[Picture description]

Figure 1 is a structural diagram of the disc-type tension-controllable yarn discharging device of the present invention, in which the dotted line portion is the shielded portion.

Figure 2 is a cross-sectional view of the disc-type tension-controllable yarn discharging device of the present invention.

Figure 3 is a side view of the disc-type tension-controllable yarn discharging device of the present invention.

FIG. 4 is a partial cross-sectional view along A-A in FIG. 3 .

FIG. 5 is a partial cross-sectional view along B-B in FIG. 3 .

【Detailed ways】

Please refer to the accompanying drawings 1 to 5 of the specification. The present invention is a disc-type yarn discharging device with controllable tension, which consists of a yarn storage disc 1, a fixed bearing 3, a double-chain ball bearing 4, and an electromagnet assembly. 5 and telescopic rod 6 and other parts.

Wherein, the yarn storage tray 1 includes a yarn storage groove 15, and the yarn 2 or fiber is wound in the yarn storage groove 10. The central circumferential area of the yarn storage tray 1 is provided with evenly distributed grooves 11 .

The fixed bearing 3 is located in the center of the entire yarn discharging device. It is fixed on a certain mandrel and is used for installing the yarn storage disk 1. Electromagnet telescopic rod springs 10 are evenly arranged on its outer surface. Specifically, a number of fixed rods 13 are arranged radially on the outer surface of the fixed bearing 3, and the electromagnetic telescopic rod spring 10 is installed on the fixed rods 13.

The double-chain ball bearing 4 is located between the yarn storage groove 15 and the fixed bearing 3, and the electromagnet assemblies 5 evenly distributed around the circumference are installed inside it. Further, the double-chain ball bearing 4 includes a bearing sleeve 8 and a plurality of balls 7 . The yarn storage disk 1 and the bearing sleeve 8 cooperate. The balls 7 are evenly distributed on both sides of the double-chain ball bearing 4, which support the yarn storage tank 1 and realize the rotation of the yarn storage tank 1.

One end of the telescopic rod 6 is in contact with the electromagnetic telescopic rod spring 10, and the other end is in contact with the yarn 2. Specifically, the head end of the telescopic rod 6 is provided with a bump 9; the bump 9 can cooperate with the groove 11 to complete the rotation damping control of the yarn storage disk 1.

The electromagnet assembly 5 is connected to the telescopic rod 6 and can control the telescopic rod 6 to expand and contract. Specifically, the electromagnet assembly 5 includes an electromagnet 16 and an electromagnetic winding 12; the electromagnet 16 is evenly fixed on the double-chain ball bearing 4 in a circumferential shape, and the electromagnetic winding 12 is connected to the telescopic rod 6. The telescopic rods 6 can achieve bidirectional telescopic movement under the action of the electromagnetic attraction of the electromagnet assembly 5 and the force of the spring 10. Under default conditions, all telescopic rods 6 are in an extended state. The telescopic rods 6 resist the inside of the yarn storage tray 1, and the yarn discharging device has Maximum rotational damping. When it is necessary to reduce the rotational damping, the electromagnetic winding 12 is controlled to be attracted and the telescopic rod 6 is retracted, thereby reducing the damping.

The working method of the disc-type tension-controllable yarn discharging device of the present invention includes the following steps:

Step 1: Several yarn output devices are installed on the creel. The user sets the expansion and contraction state of each electromagnet in each yarn output device. The default starting value is the maximum yarn output damping;

Step 2: Contract the electromagnet telescopic rods 6 one by one to reduce the yarn outlet damping and reduce the tension;

Step 3: By measuring the yarn tension, there are significant differences in the yarns of each yarn outlet device on the creel;

Step 4: If the yarn tension is too large, control the electromagnetic winding 12 of the corresponding yarn outlet device to close, and the electromagnetic telescopic rod 6 contracts to reduce the yarn outlet damping; if the yarn tension is too small, control the corresponding yarn outlet device. The electromagnetic winding 12 is disconnected, and the electromagnetic telescopic rod 10 extends under the action of the spring 10 to increase the yarn exit damping;

Step 5: When the yarn tension and the set tension are within the difference range, the electromagnet 5 maintains the current state.

The above specific implementation modes are only preferred embodiments of this creation and are not intended to limit this creation. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this creation shall be included in this creation. within the scope of protection.

Claims (4)

1. A disk-type yarn discharging device with controllable tension, characterized in that: it includes a yarn storage disk, a fixed bearing, a double-chain ball bearing, an electromagnet assembly and a telescopic rod; wherein, the yarn storage disk includes a storage disk. Yarn trough, yarn is wound inside the yarn storage trough; the fixed bearing is located in the center of the entire yarn discharging device, and an electromagnet telescopic rod spring is evenly arranged on its outer surface; the double-chain ball bearing is located in the yarn storage trough and the fixed Between the bearings, the electromagnet components are installed evenly distributed around the circumference; one end of the telescopic rod is in spring contact with the electromagnet telescopic rod, and the other end is in contact with the yarn; the electromagnet component is connected to the telescopic rod , and can control the expansion and contraction of the telescopic rod; The central circumferential area of the yarn storage disk is provided with evenly distributed grooves, and the head end of the telescopic rod is provided with a bump; the bump can cooperate with the groove to complete the rotation damping control of the yarn storage disk; The electromagnet assembly includes an electromagnet and an electromagnetic winding; the electromagnet is evenly fixed on a double-chain ball bearing in a circumferential shape, and the electromagnetic winding is connected to a telescopic rod. 2. The disk-type yarn discharging device with controllable tension according to claim 1, characterized in that: a plurality of fixed rods are arranged radially on the outer surface of the fixed bearing, and the electromagnet is installed on the fixed rods. Telescopic rod spring. 3. The disc-type tension-controllable yarn discharging device according to claim 1, characterized in that: the double-chain ball bearing includes a bearing sleeve and a plurality of balls; the yarn storage disk and the bearing sleeve cooperate; The balls are evenly distributed on both sides of the double-chain ball bearing, which supports the yarn storage tank and realizes the rotation movement of the yarn storage tank. 4. The working method of the disc-type controllable tension yarn discharging device according to any one of claims 1 to 3, characterized in that: it includes the following steps: Step 1: Several yarn output devices are installed on the creel. The user sets the expansion and contraction state of each electromagnet in each yarn output device. The default starting value is the maximum yarn output damping; Step 2: Contract the electromagnet telescopic rod one by one to reduce the yarn output damping and reduce the tension; Step 3: By measuring the yarn tension, there are significant differences in the yarns of each yarn outlet device on the creel; Step 4: If the yarn tension is too large, control the electromagnetic winding of the corresponding yarn outlet device to close, and the telescopic rod contracts to reduce the yarn outlet damping; if the yarn tension is too small, control the electromagnetic winding of the corresponding yarn outlet device to open. Open, the telescopic rod extends to increase yarn output damping; Step 5: When the yarn tension and the set tension are within the difference range, the electromagnet maintains the current state.