China Fabric Factory Fabric News Weft straightener – photoelectric weft straightener

Weft straightener – photoelectric weft straightener



Weft straightener – photoelectric weft straightener The above types of weft straightening devices all require manual operation. Because the cloth speed is too fast, continuou…

Weft straightener – photoelectric weft straightener

The above types of weft straightening devices all require manual operation. Because the cloth speed is too fast, continuous viewing can easily cause eye fatigue, slow operation, reduced sensitivity, high labor intensity, and low efficiency. The complete electric weft trimmer can solve these problems very well.
The fully electric weft straightener combines a straight roller, a curved roller, and a flexible roller to straighten the weft by automatically detecting the weft inclination. It consists of three parts: a full power detector, a manipulator and an actuator. As shown in Figure 2-30.

Completed There are usually 2, 3 or 4 detectors, which are installed in the left, middle, right or left position of the whole frame. Each power-complete detector consists of a power-complete detection sending head and a power-complete detection receiving head, which are installed on the front and back of the fabric. The detection head is composed of a source and a lens.
Some hair ends and ends can be divided into two levels, which are selected according to the thickness of the fabric, weft density, color, etc. The electrical completion detection receiving head is composed of a shielded film, a cylindrical lens, a slit plate, and a silicon battery. It is a set of electrical components. Each slit piece has slits distributed in a single or double figure-of-eight shape. The single figure-of-eight slits are mostly ±6°, and the double figure-of-eight slits are ±6°, ±10°, ±4°, and ±9. °, ±7° and ±14°. The appropriate angle can improve the detection accuracy and expand the detection range.
When the parallel lines emitted by the detection transmitter pass through the moving fabric, enter the signal receiving head, and are projected onto the silicon cells, if there is no latitude and skew, the amounts received by each silicon cell will be equal; for example There is a weft inclination, and the upper and lower slits pass through changes, resulting in differences. Each silicon battery produces different electrical signals. These signals are amplified, calculated, and adjusted and then input into the control actuator. Two electric motors drive the weft straightening device to achieve the goal. The purpose of straightening the weft.
Features of the complete electric weft trimmer:
(1) Low labor intensity and high productivity.
(2) It can automatically and continuously inspect, with high sensitivity, which can prevent missed inspections and improve product quality.
(3) The weft-setting effect is poor on thick, dark-colored fabrics with poor transparency and twill fabrics.
(4) The electrical circuits are complex and require high preservation and maintenance.

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