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There are two methods of wire wrapping in the production line. In order to make the wire winding neat and regular, the automatic wire winding machine also needs to clamp the plastic film with inlaid groove on the iron core before winding. The advantage of semi-automatic full-automatic winding machine is that it can adapt to enameled wire with different wire diameters manually. The disadvantage of semi-automatic full-automatic winding machine is that the wire package is looser and the volume is slightly larger.
The working process of the automatic winder is: there is a storage wheel with a cotter pin on the automatic winder, take down the cotter pin, insert the core from the opening and make the center of the inner ring of the core align with the circumference of the storage wheel, close the cotter pin to store a certain amount of wire on the storage wheel, and then use the stored wire to coil the core. Whether the winding process is correct or not determines whether the automatic winding machine can normally wind the coil. An excellent winding process can provide processing efficiency.
Reduce the loss of wire, on the contrary, a wrong winding process makes the coil wound by the automatic winding machine not meet the design requirements. The automatic winding machine needs to use wire rod and framework during operation, and the normal supply of power supply is also very important. In the use environment with large voltage fluctuation, the automatic winding can cause abnormal temperature rise, overheating and abnormal electrical control system The controller of automatic winder is a very precise control system, which has higher requirements for power supply. Customers with conditions should have a dedicated circuit for power supply, and the circuit terminal should be equipped with a voltage regulator.
These materials play a very important role in the normal operation of the automatic winding machine. Poor enameled wire will lead to irregular wire arrangement, and the deformed skeleton will make the main axis of the automatic winding machine shake and the edge overlapped when winding.
Characteristics of single layer automatic winding machine
It is much easier to embed single-layer winding in AC motor than double-layer winding and single double-layer hybrid winding, but its winding forms are various.
No matter which type of single-layer winding, it has the following characteristics:
1. Only one effective side of the coil is embedded in each slot of the single-layer winding. The number of coils of the winding is equal to half of the total number of slots. The number of coils is small, and the winding and embedding are convenient and time-saving.
2. Because there is only one effective side in the tank, no interlayer insulation is needed, which reduces the possibility of phase to phase short circuit in the tank.
3. The utilization rate of the tank is high.
4. The two ends of the winding coil are not easy to be treated neatly.
5. Poor electrical performance.
Characteristics of double layer automatic winding machine
The double-layer winding generally has a real double-layer winding, which is usually referred to as the double-layer winding, that is, two coil sides are indeed placed in each slot. But there is also a form of single and double-layer winding. In terms of the form of this kind of winding, some grooves are single-layer, some grooves are double-layer, and the surface is not double-layer winding; however, it is actually double-layer. It should be seen or understood that the other coil side in the single-layer groove is not without, but according to the requirements of the electrical performance of the motor, the number of turns on the side of this coil is small It can be ignored, so that the coil of this winding is considered as zero turn; therefore, when dealing with single and double-layer winding, the technical principle of arrangement of double-layer winding should still be followed. Its characteristics are as follows:
1. The number of turns is equal to the total number of slots. The upper and lower layers of each slot are inlaid with one effective side of each coil, which is time-consuming.
2. Inter layer insulation should be added between the upper and lower coils in the tank, and the utilization ratio of the tank is relatively low.
3. Phase to phase short circuit may occur.
4. The better pitch can be selected, the wave form of the electric potential and magnetic field of the slot can be improved, and the electrical performance of the motor can be improved.
5. The end of winding coil is neat and beautiful.
According to the difference between single-layer winding and double-layer winding of automatic winding machine, you can choose the products suitable for your own automatic winding machine.
Generally, the winding machine adopts two ways of wire arrangement, namely, free wire arrangement and forced wire arrangement. These two kinds of wire arrangement methods have their own advantages. The free wire arrangement relies on the tension and position intervention of the wire, and the wire can be closely arranged and wound. It is difficult to adjust this method, mainly because there are too many adjustments in the mechanical aspect. The forced wire arrangement uses the synchronous motion technology of the winding spindle and the wire arrangement axis to make each winding and the wire arrangement mechanism step a certain distance, generally step a wire diameter distance Today, with the development of electronic numerical control technology, it is not difficult to realize. As long as the winding parameters are set in advance, it can be wound without too much debugging. It is also the common way of winding machine at present.
First of all, the necessary condition to realize the automatic winding of winding machine is the coordination of paying off device and tension control. When winding fine enameled wire, because the wire diameter is thin, if the tension is too large, the wire will be stretched. In the mass production, the instability of tension will also cause a large DC resistance difference between the coil and the coil, so the tension should be strictly controlled. Therefore, after technical upgrading, at present, the winding machine adopts the tension indicator, which is a mechanical tension indicator. Through the pointer scale, we can know how many grams the winding tension is, avoiding the deviation brought by the operator's experience adjustment. Generally, the pay off tensioners of thin wires are spring friction plates, which can meet the requirements after careful adjustment.
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