Warp let-off speed-measuring feedback device of multi-axial warp knitting machine

Abstract

The invention relates to a method for controlling warp feeding quantity of a knitting machine used for spinning, in particular to a speed-measurement feedback device for controlling warp feeding quantity of the multi-axial knitting machine. The device comprises a transverse pipe, a vertical pipe, a pipe seat, a vertical pipe sleeve, a transmission shaft and a pressing wheel; the transverse pipe and the vertical pipe are both connected with the pipe seat; the vertical pipe is also fixedly provided with the vertical pipe sleeve; the transmission shaft passing through the vertical pipe sleeve isfixedly provided with the pressing wheel; the transmission shaft is also connected with an encoder; and a spring is arranged between the vertical pipe and the transverse pipe. The device only uses one spring, one pressing wheel and one encoder, has simple structure and convenient operation, and can exactly record the rotation speed of the pressing wheel and exactly obtain the warp feeding quantity of a barrel head which is not changed due to the size of the diameter of the barrel head raw material; therefore, the value is fed back to a mainframe control system which timely emits a servo control instruction according to the change of the data, thus exactly controlling the warp feeding precision and ensuring the quality further.

Description

Multiaxial warp knitting machine let-off measuring speed feedback device technical field The invention relates to the control of the let-off amount of a warp knitting machine for textile use, in particular to a speed-measuring feedback device for the let-off amount of a multiaxial warp knitting machine. Background technique At present, the textile system is used to control the let-off amount of the warp knitting machine, and the let-off amount is obtained through calculation of the rotation speed of the raw material pan head. This value is fed back to the adjustment of the rotation speed of the pan head, but because the raw material pan head is working, the diameter of the raw material is always changing. This change directly affects the conversion between the rotation speed and the let-off amount, and then affects the adjustment Quantity control accuracy directly affects the quality of the product. There are two types of existing let-off control methods, one is negative ...

AI Technical Summary

Problems solved by technology

The control accuracy is still not ideal in the environment where the machine is running at high speed

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