CN202601417U - Numerical control winding machine of voltage transformer - Google Patents

Abstract

The utility model relates to a digitally controlled coil winding machine for a voltage transformer, which comprises a stand, a control box, an upper wire device, a wire arrangement device, a wire winding device and a rotary encoder, the upper wire device includes a tension controller, and the wire arrangement device includes a stepping motor And a pay-off wheel driven by a stepping motor that can move horizontally on the screw rod. The winding device includes a main motor driven by a frequency converter and used to drive the main shaft. The control box is equipped with a programmable controller rotary encoder and tension The controller is connected to the input terminal of the programmable controller, and the output terminal of the programmable controller is connected to the stepping motor. The rotary encoder is used to sample the pulse data of the main motor, and the pulse number of the stepping motor is controlled by a programmable controller, so that the horizontal movement of the cable arrangement is synchronized with the rotational speed of the main shaft.

Description

Voltage Transformer CNC Winding Machine

technical field

The utility model relates to a numerically controlled winding machine for voltage transformers.

Background technique

The winding machine is the necessary equipment for the production of voltage transformer enterprises. Most of the existing CNC winding machines use the same drive for the wire arranging device and the winding device, and the user needs to carry out cumbersome debugging to achieve the synchronous work of the wire arranging and winding; in addition, this kind of CNC winding machine can only adapt to The narrow range of wire diameters makes the CNC winding machine far from meeting the needs of automated production.

Contents of the invention

The purpose of this utility model is to overcome the defects of the prior art, to provide a voltage transformer that adopts two different driving sources to drive the wire arrangement device and the wire winding device respectively, and the winding device is tracked by the rotary encoder to form a closed loop circuit CNC winding machine.

In order to achieve the above-mentioned purpose, the utility model adopts such a numerically controlled winding machine for voltage transformers, which includes a stand, a control box, an on-line device, a wire arrangement, a winding device and a rotary encoder, and the on-line device includes a tension control The said winding device includes a stepping motor and a pay-off wheel which is driven by the stepping motor and can move horizontally on the screw rod. The main motor, the control box is provided with a programmable controller, the rotary encoder and the tension controller are connected to the input of the programmable controller, the programmable controller The output end is connected to the stepping motor.

In particular, the winding device includes a left bracket, a right bracket and a support bracket arranged between the left bracket and the right bracket, and a set of There are four roller systems that rotate around the roller shaft. The two ends of the main shaft are respectively connected with the left bracket and the right bracket through sliding bearings. The main shaft is provided with a driving gear. The driving gear drives the roller system to rotate by coupling with the transmission gear.

In particular, the voltage transformer numerical control winding machine includes a man-machine interaction interface.

In particular, the voltage transformer numerical control winding machine further includes a foot switch, and the foot switch is connected to the input end of the frequency converter.

Compared with the prior art, the beneficial effects of the utility model are reflected in:

The cable control part uses a stepping motor to control the movement of the pay-off wheel on the screw rod. The mechanical transmission has high precision, stable operation and can automatically adjust the stepping distance;

The winding control part adopts frequency converter to control the rotation of the main shaft, which is convenient to adjust the winding direction and stop at any time, so that the whole machine has the characteristics of high output precision, stepless speed regulation and strong automation performance;

The rotary encoder is used to sample the pulse data of the main motor, and the pulse number of the stepping motor is controlled by a programmable controller, so that the horizontal movement of the cable arrangement is synchronized with the rotation speed of the main shaft;

The tension controller can ensure that the tension of the wire is moderate, and can also provide auxiliary contacts for broken wires to the programmable controller to ensure that the winding machine works neatly and orderly.

Description of drawings

Fig. 1 is a schematic structural diagram of a numerically controlled winding machine for voltage transformers according to an embodiment of the present invention.

In the figure: 1. Bench; 2. Control box; 3. Stepping motor; 4. Screw rod; 5. Pay-off wheel; 6. Cable arrangement device; 7. On-line device; 8. Roller shaft; 9. Roller system ; 10, left bracket; 11, right bracket; 12, support frame; 14, transmission gear; 15, driving gear; 16, sliding bearing; 17, main shaft;

Detailed ways

As shown in Figure 1, a numerically controlled winding machine for voltage transformers includes a stand 1, a control box 2, an on-line device 7, a cable arrangement 6, a winding device and a rotary encoder, and the on-line device 7 includes a tension controller, The winding device 6 includes a stepper motor 3 and a pay-off wheel 5 driven by the stepper motor 3 and can move horizontally on the screw mandrel 4. The winding device includes a main motor driven by a frequency converter for dragging the main shaft, a control box 2 is equipped with a programmable controller, the rotary encoder and the tension controller are connected to the input end of the programmable controller, and the output end of the programmable controller is connected to the stepping motor.

The winding device includes a left bracket 10, a right bracket 11, and a support frame located in the middle of the left bracket 10 and the right bracket 11. A group of four roller systems that rotate around the roller shaft 8 are respectively provided on the left bracket 10 and the right bracket 11. 9. The two ends of the main shaft 17 are respectively connected to the left bracket 10 and the right bracket 11 through sliding bearings 16. The main shaft 17 is provided with a driving gear 15, and the driving gear 15 is coupled with the transmission gear 14 to drive the roller system 9 to rotate.

The numerically controlled winding machine for voltage transformers includes a man-machine interface 18 .

The voltage transformer numerical control winding machine also includes a foot switch, which is connected to the input end of the frequency converter.

Claims (5)

1. A numerically controlled winding machine for voltage transformers, characterized in that: it comprises a stand, a control box, an on-line device, a wire arrangement, a winding device and a rotary encoder, and said on-line device includes a tension controller, said The wire arranging device includes a stepping motor and a pay-off wheel driven by the stepping motor and can move horizontally on the screw mandrel, and the winding device includes a main motor driven by a frequency converter and used to drag the main shaft, The control box is provided with a programmable controller, the rotary encoder and the tension controller are connected to the input of the programmable controller, and the output of the programmable controller is connected to The stepper motor. 2. The numerical control winding machine for voltage transformer according to claim 1, characterized in that: said winding device comprises a left bracket, a right bracket and a support arranged in the middle of said left bracket and said right bracket frame, the left bracket and the right bracket are respectively provided with a set of four roller systems that rotate around the roller shaft, and the two ends of the main shaft are respectively connected to the left bracket and the left bracket through sliding bearings. The right bracket is connected, and the main shaft is provided with a driving gear, and the driving gear is coupled with the transmission gear to drive the rotation of the roller system. 3. The numerically controlled winding machine for voltage transformer according to claim 1 or 2, characterized in that: said numerically controlled winding machine for voltage transformer includes a man-machine interface. 4. The voltage transformer numerical control winding machine according to claim 1 or 2, characterized in that: the voltage transformer numerical control winding machine also includes a foot switch, and the foot switch is connected to the The input terminal of the frequency converter. 5. The numerical control winding machine for voltage transformer according to claim 3, characterized in that: the numerical control winding machine for voltage transformer also includes a foot switch, and the foot switch is connected to the frequency converter input terminal.

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