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Carbon arc gouging gun

A technology of carbon arc gouging and carbon rods, which is applied in the field of welding processing and can solve problems such as unbearable heat and easy damage

Pending Publication Date: 2021-05-07
TIANJI COAL CHEM IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the carbon arc gouging guns currently on the market are made of plastic-coated copper materials, which cannot withstand the heat generated by long-term planing and are easily damaged.

Method used

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  • Carbon arc gouging gun

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A carbon arc gouging gun, made of copper alloy, including a gun head 1 and a handle 7, one end of the gun head 1 is a fully sealed structure, and the other end is sealed and connected with a cover plate 2, and the gun head 1 and the cover plate A compressed air cavity 4 is formed between the 2, and a through hole 3 with a diameter of 8 mm is provided on the central axis of the gun head 1 for passing through the carbon rod; the cover plate 2 is provided with a plurality of compressed air nozzles 5 , for blowing off the melted material, the compressed air nozzle 5 is 15° with the central axis of the gun head, and the diameter is 2.5mm, and the radial distance between the center of the compressed air nozzle 5 and the central axis of the gun head 1 is 10mm; One side of the gun head 1 is provided with a fixing hole, and the fixing hole communicates with the through hole 3, and a carbon rod holder 6 is threaded in the fixing hole, and the carbon rod holder 6 is used for fixing...

Embodiment 2

[0023] Such as figure 1 As shown in the cross-sectional view of the present invention, a carbon arc gouging gun includes a cylindrical gun head 1 and a handle 7. One end of the gun head 1 is a fully sealed structure, and the other end is sealed and connected with a cover plate 2. A compressed air cavity 4 is formed between 1 and the cover plate 2, and a through hole 3 is provided on the central axis of the gun head 1 for passing through the carbon rod; the cover plate 2 is provided with a plurality of compressed air nozzles 5 , for blowing off the melted material; the gun head 1 has a fixed hole on one side, and the fixed hole communicates with the through hole 3, and a carbon rod holder 6 is threaded in the fixed hole, and the The carbon rod holder 6 is used to fix the carbon rod passing through the through hole 3; the handle 7 is installed on one side of the gun head 1; the central axis of the handle 7 is provided with a vent hole, and the vent hole One end communicates wit...

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Abstract

The invention discloses a carbon arc gouging gun, and belongs to the technical field of welding. The carbon arc gouging gun comprises a gun head and a handle, wherein one end of the gun head is of a full-sealed structure, the other end of the gun head is connected with a cover plate in a sealed mode, a compressed air cavity is formed between the gun head and the cover plate, a through hole is formed in the central axis of the gun head in a penetrating mode, a plurality of compressed air nozzles are arranged on the cover plate, a fixing hole is formed in one side of the gun head and communicates with the through hole, a carbon rod clamp is arranged in the fixing hole in a threaded connection mode, the handle is mounted on one side of the gun head, a ventilation hole channel is formed in the central axis of the handle in a penetrating mode and communicates with the compressed air cavity, the other end of the handle is used for being connected with air compression equipment to supply air to the compressed air cavity, and meanwhile the touch temperature of the handle is lowered through air circulation heat dissipation. The carbon arc gouging gun is specially used for repair of weld joints and base metal defects and rough machining of thick plate grooves, and has the advantages of high flexibility, high efficiency, good heat dissipation effect, beating resistance, long service life and the like.

Description

technical field [0001] The invention belongs to the technical field of welding processing, and in particular relates to a carbon arc gouging gun used for repairing weld defects and processing welding grooves during equipment manufacture or maintenance. Background technique [0002] Heavy-duty equipment often has the characteristics of thick base metal and difficult welding. This type of equipment is prone to welding defects during the manufacturing process, or cracks due to factors such as improper operation and long-term fatigue of the material during use. Once the above problems occur, they must be repaired immediately, otherwise the consequences will be disastrous. [0003] When looking for defects on thicker plates or welds, carbon arc gouging has the advantages of strong flexibility, high efficiency, and easy observation of defects. This method has been widely promoted at present. However, most of the carbon arc gouging guns currently on the market are made of plastic-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/013B23K9/28B23K9/32
CPCB23K9/013B23K9/28B23K9/32
Inventor 陈亮王强张磊魏文斌李剑川吴小魁王健黄海燕
Owner TIANJI COAL CHEM IND GROUP