CN101426963B

CN101426963B - Surface treatment installation for metallic parts, particularly by electrolysis

Info

Publication number: CN101426963B
Application number: CN200780014344.6A
Authority: CN
Inventors: F·瓦谢龙
Original assignee: GOLDEN EAGLE TRADING Ltd
Current assignee: Jose Close Ltd; Tornos Management Holding SA
Priority date: 2006-04-21
Filing date: 2007-04-19
Publication date: 2011-01-19
Anticipated expiration: 2027-04-19
Also published as: FR2900161A1; CN101426963A

Abstract

Surface treatment installation (100) for metallic parts including an electrolytic cell (1) comprising a treatment liquid (20) in which the parts to be treated are immersed, characterised in that the parts to be treated are fixed on a pivoting drum (2) such that there is at least one rotation movement for each part in the cell, and in that the cell (1) comprises at least two electrodes (8a, 8b), while the drum is powered by an electrical power supply with polarity opposite to the electrode polarity, through at least one contact pad that is brought into contact on the drum drive ring.

Description

Especially the treatment facility of the metal component surface of electrolyzing

Technical field

The present invention relates to improvement, relate in particular to and use member to immerse and transmit the continuous electrolysis pond of principle the electrolytic process surface treatment method of hardware.

Background technology

The electrolytic process surface treatment of member is a known method, and it need use electric current when handling.

Electrolysis can be applicable to metal, the anodizing of aluminium for example, the anaphoresis that aluminium is coated electrolytic deposition, handle for example zinc-plated, chromium plating, copper facing, nickel plating on the steel, cataphoresis is used phosphatizing, handles for example zinc-plated on the copper, but also the electrolytic deposition that can be applicable on the non-metallic member is handled for example plating of plastic member.

According to traditional electrolysis process, pending member:

-or be connected on the supporting member, described carrier arrangement becomes to remain fixed in the electrolyzer.In this case, electric contact unit, for example copper V-arrangement spare is arranged on the edge of electrolyzer, and can be to placing the supporting member on this V-arrangement spare that electric current is provided, thereby provides electric current to member.Adopt this method, keep constant for making electric contact unit, supporting member and member must be maintained fixed.Therefore, this method can not avoid forming bubble, thereby lacks processing in the hollow space of some member, produces uniform defect thus in processing.

-or in bulk in the electrolysis bucket.In this case, the member of batch processing contacts with a traveling electrode in being arranged in the electrolysis bucket.The defective of this method is that the batch member of rotation is damaged from rubbing mutually.

Summary of the invention

Therefore, purpose of the present invention is intended to remedy all or part of defective of for example above-mentioned method and apparatus of present use.

For this reason, the present invention relates to implement the equipment of treatment process on the surface of member, for example hollow member or other member, according to described treatment process, member is immersed at least one processing electrolyzer that liquid is housed fully, it is characterized in that, immerse each hollow member, and make it to be rotated motion, like this, the bubble that may form in the electrolyzer is displaced from the inwall of described member.

Therefore, according to the present invention, the treatment facility of metal component surface has electrolyzer, described electrolyzer holds treatment liq, pending member is immersed in the described treatment liq, it is characterized in that, described electrolyzer has motor and drum barrel, described drum barrel is installed in described electrolyzer rotationally, by means of the described motor of the transmission ring of described drum barrel described drum barrel is rotated, described pending member is fixed on the drum barrel of pivot, so that each member in the electrolyzer is rotated motion at least, its feature is that also electrolyzer has at least two electrodes, and drum barrel is provided with the polarity electric current opposite with polarity of electrode by at least one set of contact pad, and the transmission ring that described contact mat is brought to driving drum barrel contacts.

According to an auxiliary character, electrolyzer has a set of contact pad, for example two takes advantage of 15 contact mats, and these contact mats clamp the transmission ring of drum barrel.

According to another feature, contact mat towards the ring the side translation install versatilely, and by elastic system for example spring apply the effect and rest on the respective face of respective side.

According to another feature of the present invention, the contact mat of edgewise described two series is that the form of the circular arc in the center of circle is arranged by the pivot center with drum barrel, and each contact mat that contacts is connected with cable that is connected in power supply or copper braid.

It should be noted that, the neighboring of drum barrel has a series of liners, these liners are used for admitting slidably the box body as the supporting member of pending member, and liner is equipped with the contactor segment of the flexibility that is fixed in described liner, so that electrically contacting of liner is sent to corresponding box body, and thereby be sent to member fixed thereon, thereby can carry out electrolysis.

It should be noted that in addition electrolyzer has motor, described motor is used for by means of the pivot drum barrel is rotated, and described bar is installed between two flanges of one of drum barrel side in parallel with each other.

According to another auxiliary character, electrolyzer has two electrodes, and this two electrode is connected in negative polarity or straight polarity, and drum barrel is powered with opposite polarity, and described electrode is made of aluminium sheet.

Description of drawings

Further feature of the present invention and superiority will be shown by the explanation of doing below with reference to the accompanying drawing that only provides as non-limiting example.

Fig. 1 is the end view that electrolyzer of the present invention is shown;

Fig. 2 is a vertical view;

Fig. 3 is a side-view;

Fig. 4 is similar to Fig. 1, but does not have drum barrel.

Embodiment

The implementation method of treatment in accordance with the present invention equipment immerses each member in the pond, and makes it to be rotated at least motion, and like this, the bubble that may form in the electrolyzer is discharged from the inwall of described member.

According to shown in embodiment, make each member carry out at least 90 ° rotatablely moving, preferably carry out 360 ° rotatablely move.

According to shown in this embodiment, the described member of set amount is placed on supporting member or the box body 4 in advance, described supporting member or box body 4 have at least one maintaining body that is used to keep each described member.

According to this embodiment, the member treatment facility that has total Reference numeral 100 comprises pond 1, and described pond 1 has drum barrel 2, and described drum barrel 2 is installed to be along transverse axis X, X ' and rotates in described pond 1, and pending member just is fixed on the described drum barrel 2.

According to shown in embodiment, drum barrel 2 has a series of liners 3 in its neighboring, the axis of liner is parallel to the turning axle of drum barrel, described liner 3 is used for for example admitting slidably the box body 4 as the supporting member of pending member.

Box body for example is the box body of addressing among European patent application EP-A-1433537, and comprises and can be fixed on only one group of member supporting spare on the element type box body more than.

Electrolyzer 1 of the present invention has motor, described motor is used for by pivot drum barrel 2 is rotated, described bar 7 is installed between two flange 10a, the 10b of one of side 10 of drum barrel in parallel with each other, and described bar and described two flanges constitute transmission ring.

Electrolyzer 1 for example has two

electrode

8a, 8b, and for the electrolysis of aluminum member, described two

electrode

8a, 8b are connected in negative polarity.Should be pointed out that these

electrodes

8a, 8b are connected in straight polarity under steel or the electrolytic situation of copper member.

Drum barrel 2 is titanium system advantageously, but it also can be other materials such as plastics material system, need to be used to for example galvanized processing of metallizing.

Described drum barrel 2 is provided with opposite polarity, and promptly under the situation of anodizing, drum barrel is provided with straight polarity.

Electric current is dispensed into drum barrel 2 by at least one contact mat 9, and the transmission ring that described contact mat 9 is brought to driving drum barrel contacts.

According to a feature of the present invention, electrolyzer has a set of contact pad, and for example contact mat 9, its have two take advantage of 15 contact mat 9a, 9b, 9c ... 9o, especially as shown in Figure 4.

According to shown in embodiment, and electrically contacting by transmission ring being interposed in two serial contact mats between---each series comprises 15 contact mats---of drum barrel carried out.

Described contact mat 9 for example is a graphite system, but handles for other, also can be that another kind of material is made.

Need illustrate also that in addition it is movable that each contact mat 9 is mounted to towards the side translation ground of ring, and by elastic system for example spring impose effect and rest on the respective face of respective side.

Obviously, it is that the circular arc in the center of circle is arranged that the contact mat of edgewise two series is pivot center with drum barrel, and this especially as shown in figs. 1 and 4.

Therefore, the graphite contact mat rubs on lateral wall at the volley, with the entire structure of current delivery to drum barrel, especially transfers to the liner 3 that keeps box body 4.

Each contact mat that contacts 9 is connected with cable that is connected in power supply 13 or copper braid 12.

The graphite contact rubs on the side of the transmission ring of drum barrel, thereby in fact with the entire structure of current delivery to gear, wherein, liner 3 is as the supporting member of box body.

Liner 3 advantageously is furnished with the flexible contactor segment that is fixed to described liner, in order to electrically contacting of liner transferred to corresponding box body 4, and thereby transfer to member fixed thereon, thereby therefore carry out electrolysis between member and

electrode

8a, 8b, wherein said member connects in this embodiment and is polarized by anodal.

Should spell out, according to preferred implementation,

electrode

8a, 8b advantageously are made of negative pole polar aluminium sheet.

Consider that in addition the aluminium sheet that constitutes electrode for example is arranged in the both sides of drum barrel, be positioned near the wall of electrolyzer, and aluminium sheet is parallel to the turning axle extension of drum barrel.

So the electrolyzer 1 of configuration is filled into electrolytic solution, sulfuric acid for example, and in order to the anodizing of aluminium, described electrolyzer can carry out anodizing to the aluminum member that is fixed on the box body.By this system the member that is fixed in box body is carried out electrolysis, described box body carries out motion horizontal and that rotate on gear, thereby can carry out continuous electrolysis to the member that moves in treating pond.

Obviously, the present invention is not limited to described as an example and shown embodiment, and comprises all technical equivalents part and combinations thereof.

Claims

1. the treatment facility of metal component surface (100), it has electrolyzer (1), and described electrolyzer holds treatment liq (20), and pending member is immersed in the described treatment liq,

It is characterized in that, described electrolyzer (1) has motor (5) and drum barrel (2), described drum barrel is installed to be in described electrolyzer (1) and rotates, the described motor of transmission ring (5) by means of described drum barrel (2) rotates described drum barrel (2), described pending member is fixed on the described drum barrel (2), so that each member in described electrolyzer (1) is rotated motion at least; Described electrolyzer (1) has at least two electrode (8a, 8b), and described drum barrel (2) is provided with polarity and described electrode by at least one set of contact pad (9), and (8a, the transmission ring that opposite polarity electric current 8b), described contact mat are brought to driving described drum barrel contacts.

2. treatment facility according to claim 1 (100) is characterized in that, described electrolyzer have one group two take advantage of 15 contact mats (9a, 9b, 9c ... 9o).

3. treatment facility according to claim 2 (100) is characterized in that, and electrically contacting by described transmission ring is interposed between the contact mat of two series of described drum barrel undertaken, and wherein every series comprises 15 contact mats.

4. treatment facility according to claim 3 (100), it is characterized in that, described contact mat (9) is a graphite system, and it is movable that these contact mats are mounted to towards the translation ground, side of described transmission ring, and they are actuated and rested on the respective face of respective side by elastic system.

5. treatment facility according to claim 4 (100) is characterized in that, is that the form of the circular arc in the center of circle is arranged at the contact mat of edgewise described two series by the pivot center with described drum barrel.

6. treatment facility according to claim 5 (100) is characterized in that, each contact mat that contacts (9) is connected with cable that is connected in power supply (13) or copper braid (12).

7. treatment facility according to claim 1 (100) is characterized in that, the neighboring of described drum barrel has a series of liners (3), and these liners are used for admitting slidably the box body (4) as the supporting member of described pending member.

8. treatment facility according to claim 7 (100), it is characterized in that, described liner (3) is equipped with the contactor segment (14) of the flexibility that is fixed in these liners, so that with electrically contacting of described liner transfer to corresponding box body (4), and thereby transfer to member fixed thereon, thereby therefore carry out electrolysis.

9. according to each described treatment facility (100) in the claim 1 to 8, it is characterized in that, described electrolyzer (1) has motor, this motor is used for rotating by the described drum barrel (2) that makes gear (6) and cooperating of a series of bars (7) pivot, described bar be installed in parallel with each other one of side (10) of described drum barrel two flanges (10a, 10b) between.

10. according to each described treatment facility (100) in the claim 1 to 8, it is characterized in that described electrolyzer (1) has two electrodes, and (8a, 8b), described two electrodes are connected in negative polarity or straight polarity, and described drum barrel (2) is provided with opposite polarity.

11. treatment facility according to claim 10 (100) is characterized in that, (8a 8b) is made of aluminium sheet described electrode.