Electric arc spraying device

A technology of arc spraying and wire feeding device, which is applied in the direction of arc spraying, spray discharge device, etc., can solve the problems such as the inability to effectively atomize the metal wire and the inability to effectively adjust the spraying range.

Active Publication Date: 2019-03-08
SHENYANG INST OF ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an arc spraying device, which can solve the problem that the arc spraying device in the prior art canno

Method used

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  • Electric arc spraying device
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Embodiment Construction

[0023] A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

[0024] Such as Figure 2 to Figure 7 As shown, an arc spraying device provided by an embodiment of the present invention includes a wire feeding device and a gas source, and also includes:

[0025] Guide frame, it comprises first arc slide bar 11, second arc slide bar 12 and supporting screw 10, and the radius of described first arc slide bar 11 and described second arc slide bar 12 is identical and two The midpoints of the latter are intersected, the first arc-shaped slide bar 11 and the second arc-shaped slide bar 12 are on a hemispherical surface as a whole, and one end of the supporting screw 10 is fixedly connected to the intersection point;

[0026] The adjustment device comprises a connecting ring 20, a screw sleev...

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PUM

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Abstract

The invention discloses an electric arc spraying device, and belongs to the technical field of electric arc spraying. The electric arc spraying device comprises a wire feeding device and a gas sourceand further comprises a guide frame, wherein the guide frame comprises first arc-shaped sliding rods, second arc-shaped sliding rods and a supporting screw rod. The electric arc spraying device further comprises an adjusting device which comprises a connecting ring, a screw sleeve, connecting rods, guide blocks corresponding to the connecting rods in a one-to-one mode, the screw sleeve is matchedwith the supporting screw rod and is rotatably connected to the connecting ring, the connecting ring is connected to the supporting screw rod in a sleeve mode, one end of each connecting rod is hingedto the corresponding guide block, and the other ends of the connecting rods is hinged to the connecting ring, and the guide blocks are slidably arranged on the first arc-shaped sliding rods and the second arc-shaped sliding rods; the wire feeding device is used for conveying wires and enabling arc striking points of the wires to be located in an arc center of the first arc-shaped sliding rods andthe second arc-shaped sliding rods. According to the electric arc spraying device, a spraying range can be adjusted when a distance between air nozzles and a workpiece is fixed; and molten wires canbe fully atomized and an influence of arc position deviation, caused by deformation of the wires, on spraying effect is reduced.

Description

technical field [0001] The invention relates to the technical field of arc spraying, in particular to an arc spraying device. Background technique [0002] As an important branch of thermal spraying, arc spraying technology is widely used to prepare coatings with various properties such as wear resistance and corrosion resistance, so as to realize the dimensional recovery and surface modification of mechanical parts, and even for the field of three-dimensional rapid prototyping of materials . Arc spraying technology originated in the 1920s. It is a spraying process in which two metal wires are energized to start an arc, the wire itself is rapidly melted, and the molten droplets are accelerated through high-speed airflow atomization. This arc spraying technology has significant advantages such as high quality, high efficiency, and low cost. For example, the arc spraying efficiency using alloy wire as the spraying material can reach 40kg / h, which is more than 4 times that of ...

Claims

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Application Information

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IPC IPC(8): B05B5/06B05B5/03
CPCB05B5/03B05B5/06
Inventor 张小辉王超黄新章王启民
Owner SHENYANG INST OF ENG
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