Constant-tension wire moving mechanism with automatic wire feeding function

A technology of automatic threading and constant tension, applied in manufacturing tools, electric processing equipment, metal processing equipment, etc., can solve problems such as the inability to guarantee the constant tension of the metal wire, affecting the threading efficiency and quality, and affecting the processing accuracy of parts, etc. The effect of threading efficiency and production efficiency, improving threading quality and improving machining accuracy

Active Publication Date: 2012-02-22
北京安德建奇数字设备股份有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the wire feeding mechanism, the change of tension in every link of the wire operation will affect the tension in the processing area, especially the change of the winding radius of the wire coil, which has the most obvious impact on the tension, generally between 100 grams and 150 grams. If it cannot be effectively controlled, the constant tension of the wire

Method used

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  • Constant-tension wire moving mechanism with automatic wire feeding function
  • Constant-tension wire moving mechanism with automatic wire feeding function

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Embodiment Construction

[0015] Such as figure 1 As shown, in this embodiment, the constant tension wire feeding mechanism with automatic wire threading function includes a wire release and collection device, a tension adjustment device and an automatic wire threading device, and the wire release and collection device is up to the automatic wire threading device. A first-stage tension adjustment device and a second-stage tension adjustment device are arranged between the devices; the first-stage tension adjustment device includes a balance wheel 3 and a swing rod 4, and the balance wheel 3 is connected to the sensor 5 through the swing rod 4, And on the counterclockwise rotation path of the balance wheel 3 along the swing rod 4, a reverse sensor 6 is provided; the second stage tension adjustment device includes a motor a 7, a gear 8 and a tension wheel 9, and the motor a 7 and the tension wheel 9 are driven by a gear 8, and a precision magnetic powder clutch 10 is installed inside the tension wheel 9;...

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Abstract

The invention discloses a constant-tension wire moving mechanism with an automatic wire feeding function, which comprises a wire release and retract device, a tension regulation device and an automatic wire feeding device. The constant-tension wire moving mechanism is characterized in that: a first-stage tension regulation device and a second-stage tension regulation device are arranged between the wire release and retract device and the automatic wire feeding device; automatic wire breakage and wire feed are realized by setting the automatic wire feed mechanism, automatic retrieving of broken wires and waste wires can be realized, the operation is convenient, time and labor force are saved, the wire feeding efficiency and production efficiency are improved, and the wire feeding quality is increase; two stages of tension control are realized by setting the first-stage tension regulation device and the second-stage tension regulation device, changes of preceding stage wire coil tension are effectively controlled, the constant tension of the metal wire is ensured, and the processing accuracy of parts is improved.

Description

technical field [0001] The invention relates to a wire feeding mechanism of a low-speed wire cutting machine, in particular to a constant tension wire feeding mechanism with automatic wire threading function. Background technique [0002] As we all know, the wire cutting machine uses the moving wire as the tool electrode, and passes a pulse current between the wire and the workpiece, and uses the corrosion of the pulse discharge to cut the workpiece. It is often used in precision machining to ensure the quality of the parts after processing. precision. Since the metal wire is used as the working electrode, whether the wire running is stable or not directly affects the machining accuracy of the parts. The common method is to ensure the stable and uniform running of the wire by applying a constant tension to the metal wire, so how to ensure the constant tension operation of the metal wire It becomes a design difficulty of wire cutting machine. At present, the tension control...

Claims

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Application Information

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IPC IPC(8): B23H7/10
Inventor 童键张伟明梁洪艳王林峰
Owner 北京安德建奇数字设备股份有限公司
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