CN101280447A - Automatic hard anodic oxidation device for aluminum piston ring groove - Google Patents
Automatic hard anodic oxidation device for aluminum piston ring groove Download PDFInfo
- Publication number
- CN101280447A CN101280447A CNA2007100141692A CN200710014169A CN101280447A CN 101280447 A CN101280447 A CN 101280447A CN A2007100141692 A CNA2007100141692 A CN A2007100141692A CN 200710014169 A CN200710014169 A CN 200710014169A CN 101280447 A CN101280447 A CN 101280447A
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- hanger
- dish
- piston
- ring groove
- cut apart
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention provides an automated hard anodic oxidation device of aluminum piston ring groove, in which the upper part of a stent is provided with a cylinder and a rack is arranged on a rack mounting plate. A supply unit is in electric connection with a conducting plate on the cylinder and a conductor on the rack. An acid liquor intake hose communicated on an acid tank is communicated with an acid liquor intake hole on the rack through a circulating pump. The rack is composed of a chassis, a lower segmentation disc, a rack body, a lower seal disc, an upper segmentation disc, an upper seal disc and a fixed disk. A seal ring is arranged on the outer flank of a piston setting- tank, in which the cavity is communicated to a compressed air inlet. In such a oxidation device, the acid liquor in circular flow on a the first ring groove of the piston is in full contact with the ring groove surface of the piston, so that the processed aluminum piston ring groove oxide film can have excellent uniformity and consistency with high, stable oxidation quality. The sealing is reliable and accurate with a simple sealing structure; thereby the stability of the process is improved. With a high degree of automation and easy operation, the productivity is greatly enhanced with the reduction of labor intensity.
Description
Technical field
The invention provides a kind of anodic oxidation device, especially a kind of engine automatic hard anodic oxidation device for aluminum piston ring groove.
Background technology
For alleviating the aluminum piston ring groove wearing and tearing, reduce engine consumption, many producers improve structure of piston.For example, some producer moves on the annular groove position, first road with piston, though this has reduced the oil consumption of engine, has also caused the problem of adhesion between piston ring groove that the raising because of top land pressure causes and the piston ring.In engine operation process, the temperature of the first road annular groove reaches about 250 ℃ sometimes, under this temperature, can cause the trickle weldering of annular groove side and top piston ring to connect, thereby makes fault such as engine generation scuffing of cylinder bore, and this shows especially outstanding on new engine.Up to the present, the best measure that addresses this problem is that first annular groove to piston carries out anodic oxidation, can improve its wear resistance, can significantly improve the heat resistanceheat resistant portative power of annular groove simultaneously.The existing mode that aluminum piston ring groove is carried out anodic oxidation treatment remains backward total man worker's operating method, and needs operator 2 people to cooperate, and production efficiency is low, and everyone per hour can only handle about 18 in piston.And the oxide film homogeneity, the consistence that process on annular groove are poor, and oxidation quality is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of automatic hard anodic oxidation device for aluminum piston ring groove, to improve oxidation quality and production efficiency.
The present invention realizes like this, automatic hard anodic oxidation device for aluminum piston ring groove, it has support, mid-stent is fixed with the hanger mounting plate, top is equipped with cylinder, be mounted with hanger on the hanger mounting plate, the positive wire of supply unit is electrically connected with conductive plate on being connected cylinder, cathode wire is electrically connected with electrical conductor on the hanger, it also has acid storage, connection is connected with acid inlet on the hanger through recycle pump at the acid inlet tube on the acid storage, connection is connected with time sour hole on the hanger at the acid tube that returns on the acid storage, the chassis is arranged on hanger, cut apart dish under having above the chassis, under cut apart the hanger body arranged above the dish, there is the lower seal dish at hanger body middle part, the lower seal dish is cut apart dish on having outward, on cut apart and have last sealing pad to be fixed on the shaft collar above the dish, shaft collar is fixed on hanger body upper end, shaft collar, last sealing pad, on cut apart dish, the lower seal dish, the hanger body surrounds the piston mounting groove on hanger top, in the piston mounting groove outside, there is sealing-ring to be installed between shaft collar and the last sealing pad respectively and between lower seal dish and the hanger body, and the inner chamber of sealing-ring communicates with the pressurized air air inlet port, the upper end of the acid inlet that communicates with the piston mounting groove on the hanger is cut apart between dish and the lower seal dish last, the upper end of going back to sour hole last sealing pad and on cut apart between the dish, pressurized air air inlet port on the hanger is connected with compressed air pipe, and pressurized air air inlet port upper end communicates with the sealing-ring inner chamber.
Adopt the automatic hard anodic oxidation device for aluminum piston ring groove of said structure, utilize recycle pump to carry acid solution, acid solution flows in the first annular groove cocycle of piston, fully contacts with the annular groove face of piston, aluminum piston ring groove oxide film homogeneity, the high conformity processed, oxidation quality is high and stable; Utilize the sealing means of air-operated drive, sealing is reliable, accurate, and sealed structure is simple, has improved technology stability; The level of automation height, easy and simple to handle, improved production efficiency greatly, reduced labour intensity, only need 1 people operation, per hour can handle 180 in piston; And rational in infrastructure, reliable, equipment failure rate is low.
Description of drawings
Fig. 1 is the synoptic diagram of structure of the present invention.
Fig. 2 is the A-A profile of Fig. 3.
Fig. 3 is the vertical view of the hanging tool structure among the present invention.
Fig. 4 is the B-B sectional view of Fig. 3.
Embodiment
The embodiment that provides below in conjunction with accompanying drawing illustrates concrete structure of the present invention and principle of work.
As shown in drawings, the present invention's automatic hard anodic oxidation device for aluminum piston ring groove, it has support 8, mid-stent is fixed with hanger mounting plate 11, top is equipped with cylinder 9, be mounted with hanger 6 on the hanger mounting plate, the positive wire 2 of supply unit 1 is electrically connected with conductive plate 7 on being connected cylinder, cathode wire 3 is electrically connected with electrical conductor on the hanger, it also has acid storage 13, connection is connected with acid inlet 62 on the hanger through recycle pump 14 at the acid inlet tube on the acid storage 12, connection is connected with time sour hole 63 on the hanger at the acid tube 4 that returns on the acid storage, chassis 613 is arranged on hanger, cut apart dish 64 under having above the chassis, under cut apart hanger body 612 arranged above the dish, there is lower seal dish 66 at hanger body middle part, on having, the lower seal dish cuts apart dish 67 outward, on cut apart and have last sealing pad 69 to be fixed on the shaft collar 68 above the dish, shaft collar is fixed on hanger body upper end, shaft collar, last sealing pad, on cut apart dish, the lower seal dish, the hanger body surrounds the piston mounting groove on hanger top, in the piston mounting groove outside, there is sealing-ring 610 to be installed between shaft collar and the last sealing pad respectively and between lower seal dish and the hanger body, and the inner chamber of sealing-ring communicates with pressurized air air inlet port 61 on the hanger, the upper end of the acid inlet that communicates with the piston mounting groove is cut apart between dish and the lower seal dish last, the upper end of going back to sour hole last sealing pad and on cut apart between the dish, pressurized air air inlet port 61 on the hanger is connected with compressed air pipe 5, and pressurized air air inlet port upper end communicates with the sealing-ring inner chamber.
Described conductive plate 7 is connected on the cylinder by support.Compressed air pipe links to each other with source of the gas.The inflatable seal circle that sealing-ring adopts ethylene-propylene rubber(EPR) to make, there is sealing-ring skeleton 611 its inside.Hanger is installed in the groove on the hanger mounting plate.
On described hanger body 612, there is the sour hole 65 of overflowing to communicate with the piston mounting groove.By overflowing sour hole, oxidation can be finished, taken out the acid solution that drops on piston mounting groove bottom behind the piston and be discharged to the hanger outside.
Described hanger 6 hanger mounting plates 11 are provided with a plurality of.As 6, like this, an actuation cycle just can be finished the oxidation of a plurality of pistons.
Described shaft collar 68, go up sealing pad 69, on cut apart dish 67 and lower seal dish 66 is made by titanium alloy respectively.Titanium alloy material is anti-oxidant, corrosion resistance is strong.Above-mentioned titanium alloy member is the electrical conductor on the hanger, and cathode wire 3 is electrically connected with one of them parts.The hanger body can be made by erosion-resisting stainless steel.Shaft collar, hanger body, cut apart dish down, the chassis can be by bolting together.
During use, piston 15 is placed in the piston mounting groove on the hanger, by the control panel start-up routine.Cylinder drives conductive plate and moves down, and conductive plate is clamped on the piston.Subsequently, the pressurized air air inlet port 61 of pressurized air on hanger in the compressed air pipe enters the sealing-ring inner chamber, the stronger sealing-ring of elasticity is heaved, with piston junk part, the second ring bank part tight seal, only the part ring bank about first annular groove inside and first annular groove, vigor flow on the bank to make acid solution, I position among Fig. 2 is acid solution mobile position, just the anodic oxidation position of piston.After the sealing, under PLC control, supply unit starts the oxidation power supply, and starts recycle pump, and the acid inlet of acid solution on hanger flows to the anodic oxidation position of piston, and the sour orifice flow that returns from the hanger goes out then, gets back to acid storage through returning acid tube, forms circulation.Circulation, oxidation certain hour, after oxidation finishes, under PLC control, by magnetic valve acid inlet tube is turn-offed, and the compressed air pipe of supplying gas in will the compressed air apertures on hanger by another magnetic valve turn-offs and pressure release, and cylinder drives conductive plate and gets back to initial position, and piston is unclamped, just piston can be taken off, finish anode oxidation process.
Acid solution composition that oxidation is used and oxidation principle etc. are identical with existing oxidation unit, no longer describe in detail.Selected and the program setting of PLC will be readily apparent to persons skilled in the art, and also no longer describes in detail.Obviously, identical with existing oxidation unit, on the present invention's oxidation unit, in addition acid solution is carried out the refrigerative refrigeration plant, so that acid liquor temperature is controlled at 10-15 ℃.
Below be the significant parameter of the present invention's oxidation unit:
1. the scope of application: the engine aluminum piston of diameter Ф 40～Ф 100mm.
2. use station: 6.
3. productive temp: 6/2 minutes units (is example with Ф 90mm diameter piston).
4. production efficiency: 180/hour units (is example with Ф 90mm diameter piston).
Claims (4)
1. automatic hard anodic oxidation device for aluminum piston ring groove, it is characterized in that, it has support (8), mid-stent is fixed with hanger mounting plate (11), top is equipped with cylinder (9), be mounted with hanger (6) on the hanger mounting plate, the positive wire (2) of supply unit (1) is electrically connected with conductive plate (7) on being connected cylinder, cathode wire (3) is electrically connected with electrical conductor on the hanger, it also has acid storage (13), connection is connected with acid inlet (62) on the hanger through recycle pump (14) at the acid inlet tube on the acid storage (12), connection is connected with time sour hole (63) on the hanger at the acid tube (4) that returns on the acid storage, chassis (613) is arranged on hanger, cut apart dish (64) under having above the chassis, under cut apart hanger body (612) arranged above the dish, there is lower seal dish (66) at hanger body middle part, on having, the lower seal dish cuts apart dish (67) outward, on cut apart and have last sealing pad (69) to be fixed on the shaft collar (68) above the dish, shaft collar is fixed on hanger body upper end, shaft collar, last sealing pad, on cut apart dish, the lower seal dish, the hanger body surrounds the piston mounting groove on hanger top, in the piston mounting groove outside, there is sealing-ring (610) to be installed between shaft collar and the last sealing pad respectively and between lower seal dish and the hanger body, and the inner chamber of sealing-ring communicates with pressurized air air inlet port (61) on the hanger, the upper end of the acid inlet that communicates with the piston mounting groove is cut apart between dish and the lower seal dish last, the upper end of going back to sour hole last sealing pad and on cut apart between the dish, pressurized air air inlet port (61) on the hanger is connected with compressed air pipe (5), and pressurized air air inlet port upper end communicates with the sealing-ring inner chamber.
2. automatic hard anodic oxidation device for aluminum piston ring groove as claimed in claim 1 is characterized in that, has the sour hole (65) of overflowing to communicate with the piston mounting groove on described hanger body (612).
3. automatic hard anodic oxidation device for aluminum piston ring groove as claimed in claim 1 or 2 is characterized in that, described hanger (6) hanger mounting plate (11) is provided with a plurality of.
4. automatic hard anodic oxidation device for aluminum piston ring groove as claimed in claim 1 or 2 is characterized in that, described shaft collar (68), go up sealing pad (69), on cut apart dish (67) and lower seal dish (66) is made by titanium alloy respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710014169 CN101280447B (en) | 2007-04-07 | 2007-04-07 | Automatic hard anodic oxidation device for aluminum piston ring groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710014169 CN101280447B (en) | 2007-04-07 | 2007-04-07 | Automatic hard anodic oxidation device for aluminum piston ring groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101280447A true CN101280447A (en) | 2008-10-08 |
| CN101280447B CN101280447B (en) | 2011-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710014169 Expired - Fee Related CN101280447B (en) | 2007-04-07 | 2007-04-07 | Automatic hard anodic oxidation device for aluminum piston ring groove |
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| Country | Link |
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| CN (1) | CN101280447B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213171A (en) * | 2014-09-05 | 2014-12-17 | 山东滨州渤海活塞股份有限公司 | Method for manufacturing titanium oxide class ceramic coating on surface of aluminum-alloy piston |
| CN105002543A (en) * | 2015-08-11 | 2015-10-28 | 力尔铝业股份有限公司 | Connecting structure and connecting method of aluminum profile positive pole oxidizing electrode electric conducting busbars |
| CN105755516A (en) * | 2016-04-26 | 2016-07-13 | 重庆协成汽车零部件有限公司 | Device for quick anodic oxidation of piston ring groove |
| CN106702451A (en) * | 2016-11-28 | 2017-05-24 | 中航飞机起落架有限责任公司 | Deep blind hole hard anodizing device and machining method of part |
| CN114717627A (en) * | 2021-01-04 | 2022-07-08 | 善统工业股份有限公司 | Jig for metal object anodic treatment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3217586B2 (en) * | 1994-03-17 | 2001-10-09 | 株式会社半導体エネルギー研究所 | Anodizing apparatus and anodizing method |
| CN2299072Y (en) * | 1997-01-17 | 1998-12-02 | 大连星光电磁铁厂 | Continuous three-phase a. c. anodic oxidation unit for aluminium foil band |
| JP2001279495A (en) * | 2000-03-28 | 2001-10-10 | Honda Motor Co Ltd | Internal combustion engine piston made of aluminum alloy |
| CN2555273Y (en) * | 2002-07-29 | 2003-06-11 | 山东滨州渤海活塞股份有限公司 | Automatic anode oxidation appts. for piston top |
| CN201040775Y (en) * | 2007-04-07 | 2008-03-26 | 山东滨州渤海活塞股份有限公司 | Automatic hard anode oxidation device with aluminum piston ring groove |
-
2007
- 2007-04-07 CN CN 200710014169 patent/CN101280447B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213171A (en) * | 2014-09-05 | 2014-12-17 | 山东滨州渤海活塞股份有限公司 | Method for manufacturing titanium oxide class ceramic coating on surface of aluminum-alloy piston |
| CN104213171B (en) * | 2014-09-05 | 2017-02-08 | 山东滨州渤海活塞股份有限公司 | Method for manufacturing titanium oxide class ceramic coating on surface of aluminum-alloy piston |
| CN105002543A (en) * | 2015-08-11 | 2015-10-28 | 力尔铝业股份有限公司 | Connecting structure and connecting method of aluminum profile positive pole oxidizing electrode electric conducting busbars |
| CN105002543B (en) * | 2015-08-11 | 2017-12-26 | 力尔铝业股份有限公司 | A kind of attachment structure of oxidation aluminium electrodes conduct bus and connection method |
| CN105755516A (en) * | 2016-04-26 | 2016-07-13 | 重庆协成汽车零部件有限公司 | Device for quick anodic oxidation of piston ring groove |
| CN105755516B (en) * | 2016-04-26 | 2018-04-20 | 重庆协成汽车零部件有限公司 | Piston ring groove rapid anodization device |
| CN106702451A (en) * | 2016-11-28 | 2017-05-24 | 中航飞机起落架有限责任公司 | Deep blind hole hard anodizing device and machining method of part |
| CN114717627A (en) * | 2021-01-04 | 2022-07-08 | 善统工业股份有限公司 | Jig for metal object anodic treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101280447B (en) | 2011-03-09 |
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Granted publication date: 20110309 Termination date: 20110407 |