CN202011672U

CN202011672U - Numerical control speed adjusting winding machine

Info

Publication number: CN202011672U
Application number: CN2011200962978U
Authority: CN
Inventors: 肖曙
Original assignee: ANHUI ZHONGNAN ELECTRICAL EQUIPMENT Co Ltd
Current assignee: ANHUI ZHONGNAN ELECTRICAL EQUIPMENT Co Ltd
Priority date: 2011-04-02
Filing date: 2011-04-02
Publication date: 2011-10-19
Anticipated expiration: 2021-04-02

Abstract

The utility model discloses a numerical control speed adjusting winding machine which mainly consists of a motor and a speed adjusting device electrically connected with the motor, wherein the speed adjusting device consists of an electronic circuit and a pedal rheostatic switch which are arranged in a shell; a circuit in the pedal rheostatic switch is that one end of a resistor R2, one end of a resistor R3 and one end of a resistor R4 are connected with a wiring terminal D1; the other end of the resistor R2, the other end of the resistor R3 and the other end of the resistor R4 are respectively connected with three contactors of a switch K2; the other end of the switch K2 is connected with a wiring terminal C1; a wiring terminal C is electrically connected with the wiring terminal C1 through a conductor; and a wiring terminal D is electrically connected with the wiring terminal D1 through a conductor. In the utility model, a potentiometer and the resistor R1 is used to supply trigger current to a bidirectional triode thyristor; the current flowing through the contactors are very small; therefore, no spark is generated; the rotating speed of the motor can be continuously adjusted; and the numerical control speed adjusting winding machine has good reliability, long service life and low cost.

Description

Numerical control speed governing wire coiling machine

Technical field

The utility model relates to a kind of unwinder, relates in particular to a kind of numerical control speed governing wire coiling machine.

Background technology

The speed governing of the wire coiling machine that uses is the branch third gear at present, realize by foot-operated governor, its inner contact of foot-operated governor is directly to connect with motor, its shortcoming is the motor speed height, three gear speed governing are not suitable for winding operation, and the frequent movement of foot-operated governor causes that easily the contact produces spark when disconnection or closure, the scaling loss electronic component has influenced service life.

The utility model content

In order to overcome the defective of above-mentioned prior art, the utility model provides a kind of simple in structure, cost is low, accuracy rate is high, the life-span is long numerical control speed governing wire coiling machine.

The utility model numerical control speed governing wire coiling machine takes following technical scheme to realize, a kind of numerical control speed governing wire coiling machine, mainly be made up of motor and the speed regulation device that is electrically connected with it, it is characterized in that: speed regulation device is made up of electronic circuit in the housing and foot-operated change resistance switch; Electronic circuit is made up of chopper circuit and phase-shift trigger circuit; Chopper circuit is that K switch 1 two ends are electrically connected with the T1 utmost point of binding post A and triac BTA respectively, and the T2 utmost point of triac BTA is electrically connected with binding post B; Phase-shift trigger circuit is the G utmost point that the utmost point of bidirectional diode DB meets triac BTA, another utmost point is electrically connected with an end, an end of capacitor C, the post D of resistance R 1, the other end of capacitor C links to each other with binding post B, the other end of R1 is electrically connected with potential device W one end, binding post A, the other end of potential device links to each other with binding post C, and the activity of potential device W and the knob E on the housing are affixed; Foot-operated change resistance switch in-to-in circuit links to each other with post D 1 into the end of resistance R 2, R3, R4, and another links to each other with three contacts of K switch 2 respectively, and the other end of K switch 2 connects binding post C1; Binding post C is electrically connected by lead with D1 with C1, D.

The utlity model has following beneficial effect in sum:

1, utilize potential device and resistance R 1 to offer the triac trigger current, the electric current that flows through its contact is extremely small, and no spark produces,

2, have that motor speed is adjustable continuously, good reliability, the life-span is long, cost is low.

Description of drawings

Fig. 1 is the schematic circuit diagram of a kind of numerical control speed governing of the utility model wire coiling machine.

The specific embodiment

As shown in Figure 1, a kind of numerical control speed governing wire coiling machine mainly is made up of motor and the speed regulation device that is electrically connected with it, and speed regulation device is made up of electronic circuit in the housing and foot-operated change resistance switch; Electronic circuit is made up of chopper circuit and phase-shift trigger circuit; Chopper circuit is that K switch 1 two ends are electrically connected with the T1 utmost point of binding post A and triac BTA respectively, and the T2 utmost point of triac BTA is electrically connected with binding post B; Phase-shift trigger circuit is the G utmost point that the utmost point of bidirectional diode DB meets triac BTA, another utmost point is electrically connected with an end, an end of capacitor C, the post D of resistance R 1, the other end of capacitor C links to each other with binding post B, the other end of R1 is electrically connected with potential device W one end, binding post A, the other end of potential device links to each other with binding post C, and the activity of potential device W and the knob E on the housing are affixed; Foot-operated change resistance switch in-to-in circuit links to each other with post D 1 into the end of resistance R 2, R3, R4, and another links to each other with three contacts of K switch 2 respectively, and the other end of K switch 2 connects binding post C1; Binding post C is electrically connected by lead with D1 with C1, D.

It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this specification sheets has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, all should be encompassed in the claim scope of the present utility model.

Claims

1. numerical control speed governing wire coiling machine mainly is made up of motor and the speed regulation device that is electrically connected with it, and it is characterized in that: speed regulation device is made up of electronic circuit in the housing and foot-operated change resistance switch; Electronic circuit is made up of chopper circuit and phase-shift trigger circuit.

2. according to the described a kind of numerical control speed governing wire coiling machine of claim 1, it is characterized in that: chopper circuit is that K switch 1 two ends are electrically connected with the T1 utmost point of binding post A and triac BTA respectively, and the T2 utmost point of triac BTA is electrically connected with binding post B.

3. according to the described a kind of numerical control speed governing wire coiling machine of claim 1, it is characterized in that: phase-shift trigger circuit is the G utmost point that the utmost point of bidirectional diode DB meets triac BTA, another utmost point is electrically connected with an end, an end of capacitor C, the post D of resistance R 1, the other end of capacitor C links to each other with binding post B, the other end of R1 is electrically connected with potential device W one end, binding post A, the other end of potential device links to each other with binding post C, and the activity of potential device W and the knob E on the housing are affixed.

4. according to the described a kind of numerical control speed governing wire coiling machine of claim 1, it is characterized in that: foot-operated change resistance switch in-to-in circuit links to each other with post D 1 into the end of resistance R 2, R3, R4, another links to each other with three contacts of K switch 2 respectively, and the other end of K switch 2 connects binding post C1; Binding post C is electrically connected by lead with D1 with C1, D.