Power unit for electronic jacquard needle selecting mechanism

Abstract

The invention relates to a power unit for an electronic jacquard needle selecting mechanism. The power unit comprises an iron core, a concentrating flux sleeve, a movable armature and an elastic component, wherein the concentrating flux sleeve sleeves the iron core, and a coil is arranged between the concentrating flux sleeve and the iron core; the movable armature sleeves the iron core, the movable armature and the concentrating flux sleeve are attracted with each other when the coil is electrified; the elastic component is used for resetting the concentrating flux sleeve and the movable armature. Compared with the prior art, the power unit for the electronic jacquard needle selecting mechanism has the following beneficial effects that the structure is simple, a relatively large needle number on a unit area can be obtained, and the dense arrangement can be achieved, so that the unit cost is reduced; furthermore, the integration level can be improved.

Description

technical field [0001] The invention relates to a power device of a needle selection mechanism of an electronic jacquard machine, which belongs to a component of an electronic jacquard machine and belongs to the field of textile machinery. Background technique [0002] An electronic jacquard machine is an automatic device used for textile jacquard. The existing electronic jacquard machine generally uses a mechanical structure to select needles for jacquard. A pulley and a lower pulley, the pulley assembly also includes a first and second clamps that are connected to each other, the upper pulley and the lower pulley are both sandwiched between the first and second clamps, and the upper and lower pulleys are hinged on the On the splint, the lower end of the upper pulley is provided with an upper guard plate covering the upper pulley, the upper end of the lower pulley is provided with a lower guard plate each covered on the lower pulley, the upper guard plate and the lower guar...

AI Technical Summary

Problems solved by technology

The innovation of this utility model is to change the structure of the upper and lower pulleys, and replace the sliding friction form with rolling friction, which reduces the friction, thereby overcoming the heat deformation of the original pulley shaft shaft hole due to the high-speed rotation of the pulley, resulting in eccentricity of the pulley. Movement, which affects the defects of the normal operation of the jacquard machine. However, due to the frequent lifting movement of the wire in the pulley, the wire continuously drives the pulley to rotate back and forth, generating frictional heat, which eventually causes the wear of the pulley and the bracket, the pulley is stuck, and the wire break, causing the Jacquard machine to malfunction

[0004] The above two mechanical mechanisms, the first one is prone to mechanical failure due to the large number of parts, the speed cannot adapt to high speed, and can only be kept within 120 rpm

In addition, due to the complex structure of the existing jacquard machine electromagnetic needle selection mechanism, the number of needles per unit area is limited, which greatly increases the unit cost. consumption of energy

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