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A clamping device for inner wall surface treatment of slender tubular metal parts

A surface treatment and metal-based technology, applied in the field of surface treatment of aircraft parts, can solve the problems of inability to passivate, chemical oxidation, oxide skin cannot be cleaned, and obvious siphon phenomenon in the tube, so as to achieve not easy deformation and convenient clamping of parts , the effect of uniform color

Active Publication Date: 2018-07-06
XI'AN AIRCRAFT INTERNATIONAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When performing surface treatment such as surface cleaning, passivation, chemical oxidation, etc., due to the small pore size, long length, and obvious siphon phenomenon, the solution cannot enter the tube, the scale cannot be cleaned, and passivation, chemical oxidation, etc. cannot be performed in the tube. surface treatment

Method used

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  • A clamping device for inner wall surface treatment of slender tubular metal parts
  • A clamping device for inner wall surface treatment of slender tubular metal parts
  • A clamping device for inner wall surface treatment of slender tubular metal parts

Examples

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Embodiment Construction

[0010] Such as Figure 1-3 Shown is a clamping device 1 for surface treatment of the inner wall of a slender tubular metal part, including a left chuck 4, a right chuck 5, a hose 3, a solution pump 2, a solution tank 7, a left chuck 4 and The corresponding position of the right clamping disc 5 is provided with a plurality of part clamping holes 12, and each clamping hole 12 is provided with a rubber sealing sleeve 9, and the slender tubular metal parts 10 are clamped between the left clamping disc 4 and the right clamping disc. between the chucks 5, and both ends of the part 10 are inserted into the rubber sealing sleeve 9; the left chuck 4 is connected to the solution pump 2; the right chuck 5 is connected to the solution tank 7 through the solution control valve 6; the top of the solution tank 7 A solution inlet 8 is provided, and a solution outlet is provided on the solution pump 2, and the outlet is connected to the solution inlet 8 by a hose 3; the surface treatment solut...

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Abstract

The invention provides a method and a clamping device which can be used for surface treatment such as cleaning, passivation, chemical oxidation, etc. in an elongated tubular metal part. The clamping device comprises a left clamping plate, a right clamping plate, a hose, a solution pump and a solution box. When the clamping device works, the solution pump is powered on. By the pumping action of the solution pump, the solution in the solution box flows through a solution control valve, the right clamping plate, the inner wall of the elongated tubular metal part, the left clamping plate in order, and returns to the solution box through the retractable hose after reaching the solution pump, so that the process for treating the surface of the inner wall surface of the elongated tubular metal part is completed.

Description

technical field [0001] The present application relates to the technical field of surface treatment of aircraft parts, in particular to a clamping device for surface treatment of the inner wall of a slender tubular metal part. Background technique [0002] In the design and manufacture of aircraft, slender tubular metal parts such as stainless steel, copper alloy, and aluminum alloy are widely used in critical positions such as oxygen conduits, hydraulic conduits, and exhaust conduits. During the extrusion molding process of this type of part material, accompanied by exothermic phenomenon, the instantaneous temperature of the material surface rises, resulting in relatively serious oxide skin on the inner wall and outer surface of the pipe, and the subsequent stress relief annealing treatment makes the oxide skin Further aggravation and densification. Most of these parts used in aircraft are not only very small in diameter, generally with an inner diameter of 2mm to 5mm, but ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G3/04C23C22/00
CPCC23C22/00C23G3/04
Inventor 郝江华王建峰李彦峰
Owner XI'AN AIRCRAFT INTERNATIONAL
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