Aramid fiber payoff tension measurement and control device
A technology of pay-off tension and measurement and control device, which is applied in the direction of transportation and packaging, delivery of filamentous materials, thin material processing, etc. Instability and other issues, to achieve a constant effect
Inactive Publication Date: 2013-02-06
ZT YUPIN TECH CO LTD
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Problems solved by technology
The traditional tension control method is magnetic damping mechanical control. There are three problems in this control method: 1. The processing accuracy error and the adsorption force of the permanent magnet are different, which leads to the instability of the aramid fiber tension in the normal production process.
2. Since the outer diameter of the aramid yarn cluster is getting smaller with the production in the production process, the outer diameter is getting smaller and the radius L is also getting smaller. According to the formula M=F L, (M is produced by the permanent magnet Moment, F is the tension of aramid yarn, L is the radius of aramid yarn cluster), M is constant, the tension of aramid yarn is constantly increasing, so that the tension cannot be kept constant during the production process
3. In terms of adjustment, it is too troublesome for the operator to adjust the tension, and in the production process, the rotary aramid pay-off machine cannot perform tension adjustment
Neither tension can be effectively corrected
Make the aramid pay-off tension in an uncontrollable state
Method used
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[0016] Refer to attached figure 1 , 2 , The aramid pay-off tension measurement and control device includes a hysteresis device 1, a timing pulley 2, a timing belt 3, a timing pulley 2 4, a bearing seat 5, a shaft 6, a shrapnel type expansion sleeve 7, an aramid yarn group 8, Infrared length detector 10 and programmable control PLC 11.
[0017] The shaft 6 is installed on the bearing seat 5 through the bearing, the bearing seat 5 is installed on the frame 9, the shrapnel type expansion sleeve 7 is fixedly installed on the shaft 6, and the aramid yarn group 8 is set on the shrapnel type expansion sleeve 7 Externally, the hysteresis device 1 is installed on the outer side of the bearing seat 5, the output shaft of the hysteresis device 1 is equipped with a synchronous pulley 1, and the synchronous pulley 2 4 is fixed on the end of the shaft 6 by fixing screws, and the synchronous pulley 1 2 is connected with the synchronous Pulley 2 4 is connected by synchronous belt 3, and hys...
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The invention relates to an aramid fiber payoff tension measurement and control device which aims to guarantee that tension of aramid yarn is maintained stable and moderate during a production process and is used for the field of optical fibers and optical cables. The device comprises a magnetic hysteresis device, a first synchronous pulley, a synchronous belt, a second synchronous pulley, a bearing seat, a shaft, an elastic piece type expansion sleeve, an aramid yarn cluster, an infrared ray length detector and a programmable logic controller (PLC), the shaft is installed on the bearing seat through a bearing, the bearing seat is installed on the rack, the elastic piece type expansion sleeve is fixedly installed on the shaft, the aramid yarn cluster is sleeved on the outside of the elastic piece type expansion sleeve, the magnetic hysteresis device is installed on the outer side of the bearing seat, the first synchronous pulley is installed on an output shaft of the magnetic hysteresis device, the second synchronous pulley is fixedly installed on the end portion of the shaft through a fixing screw, the first synchronous pulley and the second synchronous pulley are connected through the synchronous belt, the infrared ray length detector is installed on the rack arranged on one side of the shaft, the infrared ray length detector can be connected with the PLC through a signal line, and the PLC is connected with the magnetic hysteresis device through a control line.
Description
technical field [0001] The invention relates to an aramid pay-off tension measurement and control device, which is used in the field of optical fiber and cable production to ensure that the tension of the aramid yarn remains stable and moderate during the production process. Background technique [0002] The optical cable is the carrier of light transmission, and the optical cable is basically composed of optical fiber, strengthening material and outer sheath. The main function of the strengthening material and the outer sheath is to protect the optical fiber from being affected in the optical cable and ensure that the optical fiber can transmit signals normally. Reinforcement materials are divided into two types, one is metal reinforcement and the other is non-metal reinforcement. Aramid yarn is widely used as a typical material for non-metal reinforcement in optical cables. Our equipment is designed to better control the tension of aramid pay-off. In the normal prod...
Claims
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IPC IPC(8): B65H59/38
Inventor徐魏魏吴烈节陈兵张炎兵张建
OwnerZT YUPIN TECH CO LTD