CN106676603A - Door/window hardware product processing technology adopting 6xxx series forged aluminum alloy material - Google Patents

Abstract

The invention provides a door/window hardware product processing technology adopting a 6xxx series forged aluminum alloy material. After a 6xxx series aluminum alloy forged blank is treated by an earlier heat treatment procedure, hardness is effectively improved. Then, through anodic oxidization, the surface of a product is gorgeous and colorful. The diversified and individualized demands of customers are met, and the surface is not prone to bruise and scratching. The rejection rate and the reworking rate are effectively reduced, actual production cost is reduced, the appearance is everlasting, and market assessment is high.

Description

It is a kind of to adopt the 6 door and window hardware process for manufacturing product for being reflectal material

Technical field

The present invention relates to a kind of adopt the 6 door and window hardware product processing works for being reflectal material Skill.

Background technology

6 line aluminium alloys (i.e. Al-Zn-Mg systems alloy) are adapted to anodic oxidation due to its physical property, Therefore usually stain is then filled on compact oxidation layer using in its surface formation densified layer, Make it have various chromatic colours.But 6 common line aluminium alloy section bars on the market, usual hardness In HW 7 or so, relative hardness is relatively low, when machine-shaping is semifinished or finished goods, once receive To the ground even more small collision is such as dropped, its surface can also form obvious indenture, even if It is slightly touching to scrape and also resulting in surface scratches for hard thing, polishing again is needed, particularly in sun Touching after the oxidation of pole is scraped, and the metal true qualities that it exposes become apparent from, and cause the final non-defective unit of product Rate is not high, and rework cost is high.

And 6 too low hardness of line aluminium alloy, for mechanical strength also results in considerable influence, such as exist The aluminum alloy part such as handle for doors and windows commonly used in door and window hardware, it needs to pass through with the cooperation of lockset Screw is fastened, and the screw strength that 6 line aluminium alloys are machined into is relatively low, after long-time use Or assembling when it is firmly excessive, being easily destroyed thread tooth causes thread failure, can only adopt tooth form Larger screw thread just can guarantee that the strength character of product, and this results in the thickness increase of product, into This height, certain impact is also resulted on the configuration design of product；And adopt hardness it is of a relatively high 7 Line aluminium alloy, it should not anodic oxidation, it is impossible to reach the bright-coloured effect of 6 line aluminium alloys；At present Conventional replacement material such as copper or rustless steel, the material cost of copper is high, though rustless steel cost is in Tolerance interval, but typically can only true qualities, it is impossible to meet the diversity requirement of color.

So, how to improve the hardness of door and window hardware aluminum products so as to mechanical strength can be met Require, and with anodised gorgeous color, into the problem that many manufacturers urgently solve.

The content of the invention

In order to overcome the deficiencies in the prior art, it is reflectal using 6 that the present invention provides one kind The door and window hardware process for manufacturing product of material.

The technical solution adopted for the present invention to solve the technical problems is：

It is a kind of to adopt the 6 door and window hardware process for manufacturing product for being reflectal material：

1) material is the rough forging of 6 line aluminium alloys, and at 550 DEG C ± 5 DEG C 40-60min is carried out Hot solution treatment；

2) thermosetting is molten be disposed after, the cold water that blank is immersed in 20-30 DEG C is carried out at once The quenching of 8-10min, makes rough forging be cooled to room temperature；

3) oil bath 20 to 24 hours at blank being placed in into 50-70 DEG C, takes out quiet under room temperature Purchase use；

4) machine cut is processed as semi-finished product.

5) it is surface-treated：Polishing/sandblasting/wire drawing；

6) pretreatment：The cleaning of defat, alkali cleaning, neutralization and water

7) aoxidize：Hard anodizing process；

8) dye：Energization chemical staining；

9) close：Hydrolysis salt closing method；

10) post processing：Washing, drying.

The invention has the beneficial effects as follows：The door and window hardware product of the present invention is forged using 6 line aluminium alloys After making blank and premenstruum heat treatment step, hardness is effectively lifted, then by anodic oxidation Make the surface color of product bright and colourful, meet variation, the individual demand of client, and table Face is difficult to touch scratch, and effective reduction in the numbers of seconds, rework rate reduce real cost of production, outward appearance Sustain its quality through age, market assessment is high.

Specific embodiment

It is a kind of to adopt the 6 door and window hardware process for manufacturing product for being reflectal material：

1) material is the rough forging of 6 line aluminium alloys, carries out 40-60min's at 550 DEG C ± 5 DEG C Hot solution treatment；

The first stage of heat treatment:Using 6 line aluminium alloy rough forgings, on the one hand its molecule knot Structure becomes more tight, and its intensity compares 6 line aluminium alloys using stretching section bar or casting side Shi Genggao, the manufacturing cost of another aspect phase rough forging is lower；It is aluminum by fine and close 6 Alloy forging blank is heated to high temperature monophase field constant temperature and is kept for 40 to 60 minutes, to obtain To supersaturated solid solution.

2) thermosetting is molten be disposed after, at once the cold water that blank is immersed in 20-30 DEG C is carried out into 8-10min Quenching, make rough forging be cooled to room temperature；

The second stage of heat treatment:In order to keep solid solution condition, it is necessary to rapidly cool down from solid solubility temperature, The precipitation that alloying element occurs in cooling procedure is avoided, the super saturated solid solution to the first stage is needed Body carries out water hardening, especially the time of transfer process need control, it usually needs at 10 seconds Inside complete transfer.

3) oil bath 20 to 24 hours at blank being placed in into 50-70 DEG C, taking-up stands standby under room temperature With；

The phase III of heat treatment, secondary ageing process makes dividing in aluminium alloy under solid solution condition Minor structure more uniformly spreads, and hardness is higher.

6 line aluminium alloys obtained after the above-mentioned heat treatments of Jing, Jing experiment tests, its hardness can reach To between HW11 to HW13, can effectively mitigate the surface damage touched in the case of scraping, and machinery Intensity is higher, and bearing capacity is larger, so as to meet the Structural strength calls of installation, design.

4) machine cut is processed as semi-finished product；

5) it is surface-treated：Polishing/sandblasting/wire drawing；

By the list processing operation such as polishing, sandblasting, wire drawing, aluminum products surface is set to form different Effect, meets the diversity requirements of client.

6) pretreatment：The cleaning of defat, alkali cleaning, neutralization and water

Defat：During aforementioned list processing, the spot such as buffing wax that aluminum products surface residual has, By acid/base liquid, the oils and fatss on surface can be removed.

Alkali cleaning：Further the greasy dirt booty of cleaning surface attachment, removes the natural oxygen of product surface Change film and slight scratching wound.

Neutralization：Dust and residual alkali liquor are removed, to expose bright base metal surface；

Water is cleaned：Prevent the surface cleaned contaminated.

7) aoxidize：Anodized；

Aluminium alloy is after anodic oxidation so as to which surface forms aluminum oxide film, film layer it is vertical Plane of structure is almost all presented the tubulus vertical with metal surface, and they are through film outer layer until oxygen Change the barrier layer of film and metal interface, with each hole as main shaft around constituted a honeycomb hexagonal prism, Referred to as structure cell, whole film layer is made up of countless such structure cells.

8) dye：Energization chemical staining；

By special aluminum oxidation dyestuff, dissolved according to certain concentration with water, aoxidizing Aluminum component be put in dye solution, energization make dye molecule adsorb in the structure cell of alumite, Form various bright and colourful colors.

9) close：Hydrolysis salt closing method；

After dyeing, during aluminum component is put into into the cobalt salt of facile hydrolysiss and nickel salt mixed liquor, chemistry therein Composition is oxidized after film absorption, can be hydrolyzed in anode oxide film minute aperture, produces hydrogen Oxide precipitation closes in hole.

10) post processing：Washing, drying.

Acid, the alkali liquid residue of front operation are avoided, making aluminium workpiece surface oxide layer be corroded causes most Whole Color is not good.

The door and window hardware product of the present invention adopts 6 line aluminium alloy rough forgings and heat treatment premenstruum After operation, hardness is effectively lifted, then makes the surface color of product gorgeous by anodic oxidation It is colorful, meet variation, the individual demand of client, and surface is difficult to touch scratch, effectively drops Low defect rate, rework rate, reduce real cost of production, and outward appearance sustains its quality through age, market assessment pole It is high.

Claims (1)

1. a kind of to adopt the 6 door and window hardware process for manufacturing product for being reflectal material, it is special Levy and be：

1) material is the rough forging of 6 line aluminium alloys, and at 550 DEG C ± 5 DEG C 40-60min is carried out Hot solution treatment；

2) thermosetting is molten be disposed after, the cold water that blank is immersed in 20-30 DEG C is carried out at once The quenching of 8-10min, makes rough forging be cooled to room temperature；

3) oil bath 20 to 24 hours at blank being placed in into 50-70 DEG C, takes out quiet under room temperature Purchase use；

4) machining obtains door and window hardware product semi-finished product；

5) it is surface-treated：Polishing/sandblasting/wire drawing；

6) pretreatment：The cleaning of defat, alkali cleaning, neutralization and water；

7) aoxidize：Hard anodizing process；

8) dye：Chemical staining is carried out after energization；

9) close：Hydrolysis salt closing method；

10) post processing：Washing, drying.