CN1031073C

CN1031073C - Processing technology for generating high hardness and non-adhesion characteristic on surface of workpiece

Info

Publication number: CN1031073C
Application number: CN 90104860
Authority: CN
Inventors: 蔡东宏
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-07-21
Filing date: 1990-07-21
Publication date: 1996-02-21
Anticipated expiration: 2005-07-21
Also published as: CN1058428A

Abstract

The present invention relates to a surface processing method which has the steps: cleaning and roughening workpiece surfaces by spraying high-pressure aluminum oxide; covering the workpiece surfaces by high-temperature and high-voltage electric melting wire materials, and forming a first electric smelting wire material coating which can enhance the hardness of the workpiece surfaces; spraying high-pressure teflon with proper temperature on the workpiece surfaces, and forming at least one teflon coating on the workpiece surfaces. With the steps, the workpiece surfaces have the characteristics of high hardness, no adhesion, etc.

Description

Make workpiece surface have the not processing and treating method of speciality such as being stained with property of high rigidity

The present invention relates to a kind of surface treatment method, be meant that especially a kind of workpiece surface that makes has high rigidity, the surface treatment method of speciality such as being stained with property not.

In general, as the appliances of frying pan; After long-time the use, will produce greasy dirt and be attached to a pot surface, and the utmost point is not easy to remove, be an impediment to the cleaning of frying pan, greasy dirt is accompanied by cooking food by entering human body in the mouth, will produce detrimentally affect to HUMAN HEALTH after eating for a long time, again; The greasy dirt that adheres to gradually will make pot interior food be not easy to cook ripe, or it is all in the pot body to need bigger heat energy to add, and has formed energy dissipation far and away.

Therefore, the invention of polytetrafluoroethylene (PTFE) has been arranged again, borrow the characteristic of tetrafluoroethylene oily dirt free dirt that its spray is invested a pot surface formation coating, make that a pot surface is easy to clean and can keep clean, really be provided in the greatest convenience of people, but the article (utensil) after the general tetrafluoroethylene processing treatment of process are though can avoid greasy dirt to adhere to, but often after the time use, the tetrafluoroethylene coating of body surface still might scrape, or form the many places scratch and conceal dirt, this tetrafluoroethylene coating needs to strengthen on tack and hardness really again, so that contingent friction when standing article and using (as frying pan just often scraped by slice and), prolonging article work-ing life, and HUMAN HEALTH is safeguarded.

This case contriver engages in the existing time more than 10 years of ptfe surface processing treatment, and have abundant knowledge accomplishment and consummate experience concurrently, because known surface treatment method all exists above-mentioned puzzlement and disappearance, through concentrate on studies and test of many times after, produce the present invention finally.

Main purpose of the present invention is to provide a kind of surface treatment method, makes article surface have high rigidity, speciality such as being stained with property not.

Obtain further to understand in the detailed description that other advantages of the present invention, purpose, feature can be done a preferred embodiment of the present invention by following conjunction with figs..

As follows to Brief Description Of Drawings:

Fig. 1 is the first step synoptic diagram of the embodiment of the invention.

Fig. 2 is the second step synoptic diagram of the embodiment of the invention.

Fig. 3 is the third step synoptic diagram of the embodiment of the invention.

Fig. 4 is the another synoptic diagram of embodiment of the invention third step.

Fig. 1 is the synoptic diagram of first step of the present invention, demonstrate the attached operation of spray that a workpiece 1 surface is carried out, workpiece 1 is cast or other mechanical workout operation moulding by forging, and its material can be metal (as iron, steel, copper and aluminium etc.) or nonmetal (as pottery and glass etc.) or plastic cement (as PS, ABS, AS, PP, PE, PC, Nilon and bakelite etc.).

Among Fig. 1, one can produce compressed-air actuated high-voltage power supply 2 connects a jet pipe 3, the upper limb of jet pipe 3 is suitably handled the funnel 31 that Powdered aluminum oxide 4 is equipped with in connection one, keep a suitable distance between the spout 32 of jet pipe 3 and workpiece 1 surface, make the related Powdered aluminum oxide 4 of air hit workpiece 1 surface by high-voltage power supply 2 releases of pressure from spout 32 sprays of jet pipe 3, and then make workpiece 1 cleaning surfaces and alligatoring, be beneficial to the enforcement of next step.

Fig. 2 is the synoptic diagram of the present invention's second step.Workpiece 1 surface is after aforesaid cleaning surfaces and roughening treatment, continue and carry out hardening treatment by 5 pairs of workpiece 1 surfaces of a high-voltage arc device, this high-voltage arc device 5 also is communicated with high-voltage power supply 2, and form two

passages

51,52 supply two electric smelting wire rods 6 to feed to electric arc generation mouth 53, and two electric smelting wire rods 6 are connected the voltage of 240-440v simultaneously therebetween, and by the roller set 54 that is arranged at appropriate location two electric smelting wire rods 6 are fed to electric arc one by one and produce mouthfuls 53, at this moment, because two electric smelting wire rods 6 all pass to the voltage up to 240-440v, therefore, when two electric smelting wire rods 6 move closer to, will cause the electric arc effect and produce up to the temperature of 982 ℃ (18000) (this temperature can be done suitably to adjust with the material of wire rod certainly), two electric smelting wire rods 6 will be become liquid by melting under this high temperature, and by high-voltage power supply 2 supply high pressure gas liquid electric smelting wire rod 6 sprays are invested workpiece 1 surface simultaneously, liquid electric smelting wire rod 6 is very easily adhered on workpiece 1 surface after cleaning surfaces and roughening treatment, liquid electric smelting wire rod 6 sprays invest cooling immediately behind workpiece 1 surface and form the first layer electric smelting wire rod coating 11 on workpiece 1 surface, to strengthen the hardness on workpiece 1 surface.

Material as for this electric smelting wire rod can be metal (as copper, titanium, nickel, chromium, iron, aluminium and stainless steel etc.) or pottery, and it all can be easily by melting under 4500 ℃ temperature.

Fig. 3 is the synoptic diagram of third step of the present invention.After workpiece 1 surface is strengthened handling through hardness, continuous by a jet pipe (being communicated with aforementioned high-voltage power supply 2 equally) that tetrafluoroethylene 7 (PTFE) be housed, it is attached to borrow it that Teflon 7 sprays are carried out on workpiece 1 surface, at this moment, workpiece 1 surface can require to be heated to 100 ℃, make tetrafluoroethylene 7 be drying regime, form one deck tetrafluoroethylene coating 12 attached to workpiece 1 surface.

Fig. 4 is the another synoptic diagram of third step of the present invention.After aforementioned processing, with the temperature increase to 420 on workpiece 1 surface ℃, and spray 7 pairs of workpiece 1 surfaces of tetrafluoroethylene attached again according to aforementioned manner, form second layer tetrafluoroethylene coating 13 on workpiece 1 surface, because the temperature increase to 420 on workpiece 1 surface ℃, to make second layer tetrafluoroethylene coating 13 sinter crystal form into attached to workpiece 1 surface, and make second layer tetrafluoroethylene coating 13 have smooth-flat-surface, and having strengthened its hardness, implementation step so far of the present invention is promptly accused and is finished.

The inventive method has following advantage:

1. reach not being stained with property for common metal, hardness nonmetal or that the plastic cement material article all can utilize the present invention to strengthen article surface, range of application is very extensive.

2. implement the lining of High Temperature High Pressure electrical fuse material, the hardness of article, solidity to corrosion are greatly improved.

3. the coating of continuous multi tetrafluoroethylene coating makes article not only have smooth surface, more can cooperate above-mentioned electric smelting wire rod coating to resist external friction, prolongs its working life.

4. being stained with property is not strong to smeary, is convenient to clean, and is easy to safeguard.

In sum, the dark tool utility value of the present invention, the effect brilliance, and never see have roughly the same or approximation method and product appearance.

Above-mentioned only is a preferred embodiment of the present invention, thus all with the equivalent structure variation that specification sheets and claims of the present invention disclosed, ought to be included in the claim of the present invention.

Claims

1. one kind makes workpiece surface have high rigidity, the surface treatment method of speciality such as being stained with property not, it possesses at least has aluminum oxide to finish the parts such as described workpiece of processing treatment in its surface mechanical, electrical molten machine, polytetrafluoroethylene (PTFE) supply machine and aforementioned material comprehensively, and the material of wherein said workpiece is metal, nonmetal or plastics;

It is characterized in that may further comprise the steps:

(1) it is attached described workpiece surface to be imposed the aluminum oxide spray, makes workpiece surface cleaning, alligatoring;

(2) described workpiece surface is imposed the electric smelting wire rod lining of metal or ceramic material, its electric smelting temperature at least will be up to 4500 ℃ about, and electrode voltage is 220-440V, so as to forming the first layer electric smelting wire rod coating that can strengthen workpiece surface hardness;

(3) it is attached described workpiece surface to be imposed polytetrafluoroethylene (PTFE) spray, makes workpiece surface be formed with three layers of coating, and its first layer is a dry state, imposes under 100 ℃ that the tetrafluoroethylene spray is attached to be made it to be drying regime and be attached on the workpiece surface and form; Second and third layer be a crystal form, is to impose tetrafluoroethylene to spray attached and sintering under 420 ℃, makes it to be crystalline state and is attached to and forms on the workpiece surface.

2. surface treatment method according to claim 1 is characterized in that, described workpiece is iron, steel, copper or aluminium.

3. surface treatment method according to claim 1 is characterized in that, described workpiece is pottery or glass.

4. surface treatment method according to claim 1 is characterized in that, the plastic cement material of described workpiece is PS, ABS, AS, PP, PE, PC, Nilon or bakelite.

5. surface treatment method according to claim 1 is characterized in that, the metal material of described electric smelting wire rod is copper, titanium, nickel, chromium, iron, aluminium or stainless steel.