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Device for controlling movement of harness frame

A motion control device and control device technology, applied in healds, textiles, textiles and papermaking, etc., can solve the problems that affect the warp breakage rate, the working life of other parts, and the residual vibration of the heald frame is not measured, so as to achieve small residual vibration Effect

Active Publication Date: 2011-11-09
WUJIANG WANGONG ELECTROMECHANICAL EQUIP
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AI Technical Summary

Problems solved by technology

[0003] At present, the residual vibration of the heald frame is the main factor that seriously affects the breakage rate of the warp yarn and the working life of the other parts of the shed. However, there is no statement or article on the measurement of the residual vibration of the heald frame for the shedding mechanism of the air-jet loom.

Method used

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  • Device for controlling movement of harness frame
  • Device for controlling movement of harness frame
  • Device for controlling movement of harness frame

Examples

Experimental program
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Embodiment Construction

[0016] figure 1 It is a structural block diagram of a preferred embodiment of the heald frame motion control device of the present invention. The control device mainly includes a heald frame 1 and a cam mechanism 10 for driving the heald frame 1 to execute, a variable frequency main motor 8 and a power driver 9 for adjusting the supply frequency of the variable frequency main motor 8, and a power driver 9 for measuring the motion direction of the heald frame 1 The accelerometer 2 of the acceleration on the top, an encoder 3, the encoder 3 is connected with a time window generator 4 generating a timing signal, an AND gate circuit 5, and the AND gate circuit 5 is connected with a residual vibration detector 6, and the residual vibration detector 6 is connected with the main motor speed controller 7, and the main motor speed controller 7 is connected with the frequency conversion main motor 8.

[0017] Preferably, the accelerometer 2 is fixed above the side rail on the right sid...

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Abstract

The invention discloses a device for controlling movement of a harness frame. The device mainly comprises the harness frame, a cam mechanism, a variable-frequency main motor, a power driver, an accelerometer, an encoder, a time window generator, an AND circuit and a residual oscillation detector, wherein the cam mechanism is used for driving execution of the harness frame; the power driver is used for adjusting supplied frequency of the variable-frequency main motor; the accelerometer is used for measuring the acceleration in a moving direction of the harness frame; the encoder is connected with the time window generator which is used for generating timing signals; the AND circuit is connected with the residual oscillation detector which is connected with the a speed controller of the main motor; and the speed controller of the main motor is connected with the variable-frequency main motor. As a result, a jet weaving machine using the device can effectively reduce the end breakage rate of warps and increase the service life of opening parts.

Description

technical field [0001] The invention relates to a control device for a heald frame of an air-jet loom, in particular to a motion control device for the heald frame. Background technique [0002] In the shedding mechanism of the air-jet loom, the heald frame reciprocates between the lowest position and the highest position, and the heald frame has a period of rest at the lowest and highest positions, and the vibration after the end of the lift or drop is residual vibration. When the frame is in the pause position, it is the residual vibration stage, and the vibration in the pause position is the residual vibration of the heald frame. The dynamic load generated by the movement of the heald frame causes damage to the other components of the shedding system. The failure rate and damage rate of the components of the shedding system occupy the first place among the components of the air-jet loom. [0003] At present, the residual vibration of the heald frame is the main factor th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D03C9/06D03D47/30
Inventor 祝章琛
Owner WUJIANG WANGONG ELECTROMECHANICAL EQUIP
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