CN102896119A - Method for removing oxide blockage in plasma cutter gun head - Google Patents

Abstract

The invention discloses a method for removing 'oxide blockage' in a plasma cutter gun head. The method comprises the following implementation steps of: vertically putting a plasma cutter gun head pipe in a plastic household utensil by the means that the pipe joint faces upwards and the pipe head faces downwards, and injecting 5mL of 'JPL-901 copper bright cleaner' from a blocked pipeline joint, so that the liquid can flow out of the other end within 1-5min; injecting 5mL of 'JPL-901 copper bright cleaner', and clearly washing a gun head pipeline by tap water after the gun head is stewed for 5-10min; and repeatedly purging by oxygen from two ends of the pipeline respectively till no obvious liquid residual exists in the pipeline, and cleaning the gun head by the tap water. According to the removal method provided by the invention, the phenomenon of 'oxide blockage' of the pipeline in the EXA-6000 type underwater plasma numerical control cutter gun head can be effectively removed, so that the method is low in work cost, and good in removal effect.

Description

The method for removing that oxide stops up in the CUT rifle head

Technical field

The invention belongs to the machinery maintenance technical field, relate to the phenomenon that quick and precisely effectively solves underwater plasma Numerical control cutting machine gun head internal duct " oxide obstruction ", be specifically related to the method for removing of " oxide obstruction " in a kind of CUT rifle head.

Background technology

Existing Americanized EXA-6000 (the model underwater plasma digital controlled cutting machine of 6m * 18m), system for use in carrying is NCE2000, the oxygen plasma mode adopts air conservation, the liquid-circulating cooling.315 millimeters of CUT rifle head overall lengths; wherein main body length is 150 millimeters; all the other pipe joint partial-lengths are 165 millimeters; maximum outside diameter is 45 millimeters of φ; head outer diameter is of a size of 35 millimeters of φ; the degree of depth is 70 millimeters in the chamber, and the pipelines such as ionized gas pipeline, protective gas pipeline, cool cycles pipeline, electric wiring are arranged on the rifle head.The cool cycles pipeline of EXA-6000 type underwater plasma Numerical control cutting machine gun head has two, under the normal condition, the gas that certain pressure is arranged in cooling line one termination, if cooling line is unimpeded, the other end at cooling line should have the gas ejection, if do not have the gas ejection or only have the gas of minute quantity to spray, pipeline blockage then is described.By to scrapping rifle head anatomical proof: CUT rifle head bottom is a hole that is approximately 3 millimeters of φ, leads to the cooling inlet pipeline through the internal helicoid pipeline; 50 millimeters to 70 millimeters places are cylindric cooling water cavitys apart from the bore outer face degree of depth, bulk is approximately 10 millimeters of diameter phi, and 20 millimeters of the degree of depth have several microneedle eyelets on its inwall, lead to water return pipeline through the spiral pipeline, it is exactly the cooling backwater passage.Because this partial volume is less, the trouble point is hidden in addition, and after being stopped up by the oxide of long-term accumulation, oxide and position be cannot see, and can not touch.

The upper requirement of underwater plasma digital controlled cutting machine control at first must possess the coolant circulation pump continuous operation, reaches certain flow (cooling agent uses distilled water, winter to use anti-icing fluid summer), and the control power supply could start, and lathe could work.Because the load of this lathe is large, round the clock continuous operation and use for many years, " oxide obstruction " all can appear in the cooling channel inside of a plurality of plasma cutting gun heads, and impact is normally used.Taked several different methods to attempt dredging reparation, be that the running water of 0.5-1MPa connects flexible pipe from water inlet, delivery port, the method for repeated stock as adopting pressure for this reason; The employing pressure regulation is that the oxygen of 1MPa connects flexible pipe from the method for water inlet, delivery port repeated stock; Adopt concussion to add the method for air-blowing; Adopt the penetrating method of draw point, all inoperative, still can't get rid of the phenomenon of " oxide obstruction ", can only scrap at last.Simultaneously, buying a new CUT rifle head needs nearly ten thousand yuan, and the Buying Cycle reaches more than ten day, has had a strong impact on production cost and manufacturing schedule.

Summary of the invention

The method for removing that the purpose of this invention is to provide " oxide obstruction " in a kind of CUT rifle head solves " oxide obstruction " cooling channel and can't get rid of the problem that causes increasing use cost He have a strong impact on production efficiency.

The technical solution used in the present invention is, the method for removing of " oxide obstruction " in a kind of CUT rifle head is implemented according to following steps:

Ion is cut machine gun head tube joint up, vertically be placed on upside down in the plastic ware, inject 5 milliliters " the bright cleaning agent of JPL-901 bronzing " from the pipe joint that has stopped up, within 1-5 minute time, liquid will flow out from the other end; Re-inject 5 milliliters " the bright cleaning agents of JPL-901 bronzing ", the rifle head is left standstill 5-10 minute after, with running water rifle head tube road is rinsed well;

Then,, repeatedly purge respectively from the two ends of pipeline with oxygen, until there is not obvious liquid remaining in the pipeline, use at last running water cleaning device head.

The invention has the beneficial effects as follows, can be in a short period of time, scientific and effective, get rid of the phenomenon of CUT rifle head inner " oxide obstruction " quickly and accurately, originally the rifle head scrapped can be reused again through repairing, and is all of great advantage for the cost control aspect of still enhancing productivity.

The specific embodiment

The method for removing of " oxide obstruction " in the CUT rifle head of the present invention, problem to be solved are to get rid of the phenomenon of EXA-6000 type underwater plasma Numerical control cutting machine gun head internal duct " oxide obstruction ".

The operation principle of the inventive method is, utilizes " the bright cleaning agent of JPL-901 bronzing " can remove well the oxide on copper metal object surface, can dissolved copper surface oxide in several minutes, so that copper surface produces gloss; Have again the characteristics that parts (such as sealing ring) to plastic material do not produce the compatibility of corrosion.Select 5 milliliters of disposable use needle tubings (band syringe needle), " the bright cleaning agent of TPL-901 bronzing " with about 5 milliliters, vertically be injected in the pipeline of CUT rifle head " oxide obstruction ", utilize liquid to have mobile characteristics, penetrate in multichannel, the tiny pipeline soild oxide and calcified material that dissolving is wherein adhered to.After leaving standstill several minutes, use the running water flushing line, then utilize clean, the free from corrosion characteristics of oxygen, blow the residue in the pipeline off, the phenomenon of the failure of " oxide obstruction " in the scientific and effective quick solution rifle head.

The inventive method, implement according to following steps:

The CUT rifle head that " oxide obstruction " phenomenon occurs is pulled down from machine, and all the other annexes that can pull down on this rifle head of dismantling.

At first, ion is cut machine gun head tube joint up, vertically be placed on upside down (metalware can be corroded by medicament) in the plastic ware, put on anticorrosion gloves, with 5 milliliters of Dispoable medical needle tubings (band syringe needle), inject 5 milliliters " the bright cleaning agent of JPL-901 bronzing " from the pipe joint that has stopped up, within 1-5 minute time, liquid will flow out from the other end; Re-inject 5 milliliters " the bright cleaning agents of JPL-901 bronzing ", the rifle head is left standstill 5-10 minute after, with running water rifle head tube road is rinsed well;

Then, with pressure be the oxygen of 1MPa ± 0.2MPa respectively from the two ends of pipeline, repeatedly purge, until there is not obvious liquid remaining in the pipeline, use at last running water cleaning device head.

During inspection, Compressed Gas on cooling line one termination (preferably being with coloured gas) is if cooling line is unimpeded, the other end at cooling line should have the gas ejection, illustrate that fault gets rid of, the rifle head has been repaired normal condition, can be able to normally use.

Claims (2)

1. the method for removing of a CUT rifle head interior " oxide obstruction " is characterized in that, implements according to following steps:

Ion is cut machine gun head tube joint up, vertically be placed on upside down in the plastic ware, inject 5 milliliters " the bright cleaning agent of JPL-901 bronzing " from the pipe joint that has stopped up, within 1-5 minute time, liquid will flow out from the other end; Re-inject 5 milliliters " the bright cleaning agents of JPL-901 bronzing ", the rifle head is left standstill 5-10 minute after, with running water rifle head tube road is rinsed well;

Then,, repeatedly purge respectively from the two ends of pipeline with oxygen, until there is not obvious liquid remaining in the pipeline, use at last running water cleaning device head.

2. the method for removing of " oxide obstruction " in the CUT rifle head according to claim 1, it is characterized in that: the pressure of described oxygen is 1MPa ± 0.2MPa.