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Common faults in the control circuit of the carding machine

2022/08/09
Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

The control system circuit design is also called the process self-stop circuit, because it is a low voltage of 6.3 volts, and there is no danger to human life. It is also called a low-voltage network security management circuit. The structure of the double twisting unit of the double twisting machine mainly includes the spindle braking device, the spindle part of the double twisting machine, the yarn winding device, and the special device of the double twisting unit. Grinder A spinning machine that turns fiber strands into rovings.

The main function is to draft and twist, and to wind the roving into a certain package to meet the processing requirements of the spinning frame. Special equipment for the textile industry on the winder. As the last process of spinning and the first process of weaving, winding is the link between the past and the next.“bridge”Therefore, it occupies an important position in the textile field.

1. Faults in the automatic stop device for small roll unwinding and repair of A201 carding machine“roll off”(also known as“final volume”, which is a small volume used up) to stop the movement, is innovated by the workers in practice, the simple structure of the mass has created a technical extension of the stand to prevent roll-off due to damage such as combed Xinjinlong, with good results. (1) Structural principle As shown in Figure 3-5, the front and rear feed rollers are changed to aluminum (the small reel tube is also changed to aluminum accordingly), and the rear cotton rollers are made of insulating materials such as nylon or paper cypress. The insulating bushing step of the shaft is divided, and the rear aluminum cotton roll is connected to the 6.3 volt control circuit to become a charged body. When the tail of the small roll is just separated from the aluminum bobbin, the aluminum bobbin is in contact with the front and rear two aluminum cotton roll rollers, the circuit is connected, it will stop automatically, and the electric signal light will be on.

A201A carding machine type, there is an automatic shut-off device for family members, generally similar to the above principle, only a slightly different charging structure. A-type, B-type charger components, the other is fitted with a thin coaxial lap roller in front of the intermediate insulating body, and placed on the respective eccentric copper eyes (for example, the back contact between positions 3-6), Then the control circuit is turned on at 6.3 volts, eccentric contact on the end of the roll off the spool aluminium, indium aluminium profile tube even connected to the lap roller while parked, and touch display light. In contrast, the latter has higher sensitivity than the former and higher stability.

(2) Fault phenomenon The small roll unwinding self-stop device does not stop after unwinding, and the signal light does not light up when it touches the telecommunication. The unwinding and self-stopping devices of A201A and B types will also cause the above problems to occur. (3) Reason analysis 1. The small volume does not roll down and stops, and the light does not light up. From the person type analysis 201, the control circuit may be disconnected from the 6.3 volt line, or the contact is poor, resulting in poor conductivity of the segment.

From the analysis of A201A type and B type, in addition to the above-mentioned whether the wire is off, there is another possibility that the conductive contact is incorrectly calibrated by forging eccentricity, resulting in that the small coil of aluminum tube cannot touch the copper eccentric contact after unwinding. So as to affect the circuit information is blocked. Before the 2 rollers are used up, stop the light signal light, mostly after the short central handle is tightened and loosened, the short central handle falls back and touches the roller (charged body) of the cotton roller, causing the shock to stop and the light to turn off. Sometimes the installation position of the back cotton roller is too biased, and the above phenomenon will also occur when the same roller disc is encountered.

(4) Repair method First check whether the 6.3V control circuit line is disconnected or disconnected, and it should be kept in good contact. 2. When it is found that the short clamping handle is backward or the rear lap roller is deflected and touches the backup roll tray, it should be re-calibrated according to the specifications. 3. The eccentric Ni contacts in A201A and B types are inaccurate, and the empty coil aluminum tube should be placed between our two cotton roll roller companies, and then re-calibrate the eccentric copper contacts to the same empty coil. The aluminum tube is subject to the reliable data.

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