High-speed warping device and method for high-strength glass fibers

Abstract

The invention provides a high-speed warping device and method for high-strength glass fibers. The high-speed warping device for the high-strength glass fibers comprises a bobbin creel and a warping machine head, and further comprises a tension buffering device which is arranged on the bobbin creel and comprises a bottom plate, a first adjusting disc, a second adjusting disc and an amplitude adjusting mechanism used for adjusting the movement amplitude of the second adjusting disc; the bottom plate is provided with a first guide groove and a second guide groove which are used for limiting a motion trail of the first adjusting disc and a motion trail of the second adjusting disc respectively; the first guide groove and the second guide groove are arranged in a spaced mode; the amplitude adjusting mechanism is arranged at the position close to the bottom end of the second guide groove; the amplitude adjusting mechanism can be switched between a low-amplitude first state and a high-amplitude second state; the first adjusting disc is elastically connected with the end of the first guide groove; the second adjusting disc is elastically connected with the amplitude adjusting mechanism; and the high-speed warping device further comprises a yarn breakage automatic stop device and a control device. According to the invention, efficient control of warp tension in the high-speed warping process and effective protection of warp during emergency stop of warp end breakage are realized.

Description

technical field [0001] The invention relates to a warping device and method, in particular to a high-strength glass fiber high-speed warping device and method. Background technique [0002] High-strength glass fiber is an inorganic non-metallic material with excellent properties. Therefore, high-strength glass fiber fabric is often used as a reinforcing skeleton material in composite materials. In my country, high-strength glass fibers with a monofilament diameter of 6-12 μm are generally used in the production process of high-strength glass fiber fabrics. If the monofilament diameter is further reduced to an ultra-fine range of 4 μm, the overall tensile strength and tear resistance of the fabric can be further improved. However, in the high-speed warping process of woven fabrics, the yarn tension between the bobbins is often uneven due to the large number of spindles on the creel and the long distance, which affects the surface quality of the base fabric. [0003] In additi...

AI Technical Summary

Problems solved by technology

In the production process of high-strength glass fiber fabrics in my country, high-strength glass fibers with a monofilament diameter of 6-12 μm are generally used. If the monofilament diameter is further reduced to an ultra-fine range of 4 μm, the overall tensile strength and tear resistance of the fabric can be further improved. performance and anti-folding performance, however, in the high-speed warping process of woven fabrics, often due to the large number of spindles on the creel and the long distance, the yarn tension between the bobbins is uneven, which affects the surface quality of the base fabric

[0003] In addition, when the thread breaks in high-speed warping and stops in an emergency, the unwinding of the bobbin will cause the yarn tension to relax. Strict simultaneous braking of the creel, when the creel stops a little earlier than the warping machine head or unwinding shaft, it is easy to cause the tension of the yarn in the middle to be too large, breaking through the adjustment range of the tension device, thus causing damage to the yarn, or even Yarn breakage due to short-term excessive impact on the yarn

[0004] The application number is 202110332067.5. The Chinese invention patent discloses an adaptive piece yarn tension control device and a three-dimensional fabric loom. Through the specially designed yarn guide device, adaptive warp length compensation mechanism, pan head and warp tension control mechanism, high Thickness, multi-layer three-dimensional fabric weaving warp let-off tension control, the warp tension control mechanism includes a brake disc, a brake band and a drive mechanism, the brake disc is fixedly connected to the disc head, and the drive mechanism can drive the brake band to move so as to change the brake band to the brake disc. However, the device realizes tension control and length compensation through the cooperation of the brake device and the adaptive warp length compensation mechanism, but limited by the structure of the adaptive warp length compensation mechanism, it still cannot avoid the stop of the pan head and the front machine. The excessive impact on the yarn caused by the asynchronous parking of the head causes the yarn to break, and the device has a large degree of modification to each pan head, the structure is complex, and the cost is high, so it is not suitable for promotion

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