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Non-contact tension detection and feedback control mesh belt winding device

A technology of tension detection and feedback control, applied in the direction of non-electric variable control, mechanical pressure/force control, electromechanical devices, etc., can solve the problems of easily changing the tension of the webbing, affecting the accuracy of the detection results, and the adjustment effect is not real-time and fast enough to achieve Accurate detection results, rapid and more effective tension adjustment

Inactive Publication Date: 2009-12-16
珠海蓝坊智能设备有限公司
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Problems solved by technology

[0005] (1) The radius detector and tension sensor used are contact detection, that is, contact with the webbing or the package to obtain the detection signal. This contact detection is easy to change the tension of the webbing itself and affect th

Method used

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  • Non-contact tension detection and feedback control mesh belt winding device
  • Non-contact tension detection and feedback control mesh belt winding device
  • Non-contact tension detection and feedback control mesh belt winding device

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[0019] In order to better understand the present invention, the technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments, see Figure 1 to Figure 4 :

[0020] The webbing winding device with non-contact tension detection and feedback control implemented according to the present invention includes a winding roller, which is driven to rotate by a winding motor 12 to wind the webbing around the roller. The winding motor 12 adopts AC Asynchronous motor. The linear velocity of the webbing is equal to the product of the angular velocity and the radius of the package, and as the winding progresses, the radius of the package increases. If the speed of the winding motor 12 remains unchanged, the linear velocity of the webbing will increase , Causing the webbing tension to increase. When the tension range of the webbing exceeds 10% of the initial tension, it will have a significant impact on the weaving effect,...

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Abstract

The invention relates to textile equipment, particularly relates to a non-contact tension detection and feedback control mesh belt winding device, comprising a winding roller which drives the mesh belt to convolute to weave and is driven by an AC asynchronous motor; a charge couple device image sensor is arranged outside the mesh belt between two guide rollers, an ultrasonic wave sensor is arranged on the periphery of a ball of mesh belts, the charge couple device image sensor is connected with an image acquisition card, the ultrasonic wave sensor is connected with a signal acquisition card and the image acquisition card, the signal acquisition card is connected with a PC industrial personal computer connected with a motion control card, and the motion control card is connected with the AC asynchronous motor by a frequency converter; and a tension regulating device is arranged adjacently to the winding roller. The invention carries out non-contact detection on the variation of the tension force and the winding radius of the mesh belt and can not influence the tension force of the mesh belt due to the contact of the mesh belt, and the detection result is more accurate; and the tension force of the mesh belt is regulated by combining the operation of regulating the speed of the motor with the operation of driving a regulating roller by an air cylinder, thus the regulation of the tension force is faster and more effective.

Description

technical field [0001] The invention relates to the technical field of textile equipment, in particular to a non-contact real-time detection of webbing tension changes and automatic adjustment of the tension to achieve constant tension, which is suitable for a cylindrical knitting machine. Background technique [0002] The quality of the braided belt of the automatic braiding machine largely depends on the tension during let-off and take-up, especially the tension during take-up, which directly affects the quality of the webbing. If the tension of the webbing is too large, the webbing will be damaged If the tension of the webbing is too small, it will curl and affect the smoothness of the braided webbing. Therefore, the tension fluctuation of the webbing must be controlled within a certain range. [0003] At present, the traditional winding mechanism adopts the way of asynchronous motor to drive the cam to realize the tension control, and the top of the cam is pressed by a ...

Claims

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Application Information

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IPC IPC(8): D04C3/48D03J1/06B65H18/10B65H23/198B65H23/26B65H26/04H02K7/116G05D15/01
Inventor 张智明梅顺齐肖人彬徐巧蔡池兰詹白勺
Owner 珠海蓝坊智能设备有限公司
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