Arc pistol arranged in metal film capacitor metal spraying machine
A technology of arc spray gun and capacitor, which is applied in spraying device, liquid spraying device, metal material coating process, etc. It can solve problems such as difficult to achieve current contact, wire burning fault, sparking, etc., to reduce short-circuit faults and prolong service life Effect
Inactive Publication Date: 2013-04-03
广州市先河技术工程有限公司
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Problems solved by technology
In this structure, due to the sliding friction between the wire material and the inner wall of the catheter, in order to make the wire material move forward smoothly, the wire material and the inner wall of the catheter can only be in a relatively loose state, so it is difficult to achieve a stable current contact, which is sometimes on and off Current contact often leads to ignition and wire burning failure
Method used
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Embodiment Construction
[0030] The arc spray gun of the embodiment of the present invention is improved in the structure similar to the prior art spray gun described in CN201587976U, and its structure is as follows Figure 1~5 shown.
[0031] Arc spray gun structure includes:
[0032] ——The left wire inlet conduit 10, the left wire material pushing mechanism and the left wire outlet conduit 19, the right wire inlet conduit 20, the right wire pushing mechanism and the right wire outlet conduit 29 are sequentially installed on the frame 5 along the wire conveying direction;
[0033] - air nozzle 2;
[0034] ——Single-phase gold-sprayed arc power supply.
[0035] The left and right wire material pushing mechanisms are each composed of a pair of rollers parallel to the axis—the left active wire feed wheel 23 and the left pinch wheel 27, the right active wire feed wheel 13 and the right pinch wheel 17. The gear reduction motor 1 directly drives the driving shaft 33 , thus driving the left driving wire f...
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The invention discloses an arc pistol arranged in a metal film capacitor metal spraying machine. The arc pistol comprises a left wire pushing mechanism, a right wire pushing mechanism and a metal spraying arc power supply, and is characterized in that each of the left wire pushing mechanism and the right wire pushing mechanism comprises a pair of rollers, i.e., a driving wire feeding wheel and a compression wheel of which the axes are parallel to each other; conveyed wires are pressed between each driving wire feeding wheel and each compression wheel along the tangential direction; a motor is used for driving each driving wire feeding wheel to rotate so as to drive the conveyed wires to move forward; each driving wire feeding wheel or each compression wheel is a metal wheel; and an electric brush for conducting each metal wheel is electrically connected with one electrode of the power supply. Due to the adoption of the design, smooth conveying of wires and stable current contact with the power supply can be ensured simultaneously, and the wire burning failure is improved.
Description
technical field [0001] The invention relates to an electric arc spray gun installed in a gold spraying machine for metal film capacitors. In the international patent classification table, the classification can belong to C23C4 / 12. Background technique [0002] Most of the arc spray guns provided in the prior art metal film capacitor gold spraying machine adopt the structure described in CN201587976U. In this spray gun, the metal wire for arcing (hereinafter referred to as "wire") is driven by the electric mechanism to pass through the conduit (such as the cable 12, the transition joint 11, the conductive pipe 8 and the conductive nozzle 2 described in the CN201587976U publication specification, see the 0030, 0031 and 0034~0036 paragraphs in the specification) go forward, and introduce the electric current from the power supply through the contact with the inner wall of the catheter. In this structure, due to the sliding friction between the wire material and the inner wall ...
Claims
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IPC IPC(8): B05B7/22C23C4/12C23C4/131
Inventor 蒋晋辉
Owner 广州市先河技术工程有限公司