CN105177681B - Micro-arc oxidation hanger - Google Patents
Micro-arc oxidation hanger Download PDFInfo
- Publication number
- CN105177681B CN105177681B CN201510475601.2A CN201510475601A CN105177681B CN 105177681 B CN105177681 B CN 105177681B CN 201510475601 A CN201510475601 A CN 201510475601A CN 105177681 B CN105177681 B CN 105177681B
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- Prior art keywords
- arc oxidation
- seal ring
- micro
- elastic seal
- peg
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Abstract
The present invention provides a kind of micro-arc oxidation hanger, clamping device including peg and located at the peg bottom, suspension hook is provided with the top of the peg, the peg bottom is rotated using bearing pin with the clamping device and is connected, the clamping device uses dismountable bolts and nuts, it is fixedly connected using the jump electrical connection string holes being had by oneself on contact net aluminum alloy spare part by bolts and nuts, and the joint face of hanger and parts is provided with elastic seal ring.The micro-arc oxidation hanger that the present invention is provided, is attached with dismountable engagement thread, simple with installation and dismounting, reusable advantage；Encapsulation process is carried out using elastic seal ring butt contact, to prevent electrolyte enters from producing partial discharge phenomenon, the quality of micro-arc oxidation films is effectively improved.
Description
Technical field
The present invention relates to micro-arc oxidation hanger technical field, more particularly to a kind of micro-arc oxidation hanger.
Background technology
Differential arc oxidation is a kind of surface treatment mode emerging in recent years.Differential arc oxidization technique can be on aluminium alloy and its surface
One layer of oxide-film with ceramic performance is prepared, can greatly improve wear-resistant, the decay resistance of alloy matrix aluminum.Differential arc oxidation
The faraday area for breaching anodic oxidation enters high voltage discharge field.Just because of the high voltage in micro-arc oxidation process, therefore
The hanger of anodic oxidation cannot be used in differential arc oxidation.If loose contact in oxidizing process, surface-discharge will be produced and showed
As ceramic coating is of poor quality, and can occur Partial ablation, has a strong impact on the progress of differential arc oxidation.Laboratory exists more at this stage
Specimen surface is punched, tapping, carries out suspension oxidation.Parts integrality can be so destroyed in process of production, influence zero
Using for part is safe.This is also one of limitation reason of differential arc oxidation industrial applications.
The content of the invention
The technical problems to be solved by the invention are：In order to overcome deficiency of the prior art, the present invention provides a kind of micro-
Arc aoxidizes hanger, electrically connects string holes using the jump being had by oneself on contact net aluminum alloy spare part and the progress of dismountable clamping device is micro-
Arc is aoxidized, and solves the technical problem that destruction parts integrality is punched in component surface.
The present invention solves its technical problem technical scheme to be taken：A kind of micro-arc oxidation hanger, including peg and
Suspension hook is provided with the top of clamping device located at the peg bottom, the peg, the peg bottom turns with the clamping device
Dynamic connection.The peg is used to carry out conductive and suspension parts during differential arc oxidation.
Further, in addition to bearing pin, the peg is rotated by the bearing pin with clamping device and is connected, the axle of the bearing pin
Line is vertical with the peg axis.The hook for making hanger by bearing pin is effectively connected with clamping device, and in transportation
Bearing pin can be taken apart to convenient transport to install.
Further, in order to not destroy the connection that parts realize parts and hanger, the clamping device include bolt and
Nut, the bolt includes screw rod and is located at the head of screw rod one end, and the screw rod is connected with the nut thread, the head
Be set with differential arc oxidation parts on screw rod between the nut, the differential arc oxidation parts respectively with the head and
Nut surface is connected.Jump electrical connection string holes and the dismountable bolts and nuts being had by oneself on by the use of contact net aluminum alloy spare part as
Clamping device carries out differential arc oxidation, it is to avoid in component surface punching, maintain parts integrality；Threadably carry out
Connection, reusable advantage simple with installation and dismounting.
Further, in order to realize the connection of bolt and peg, the upper end on the head is provided with peg connecting rod, the peg
Connecting rod one end is fixedly connected with the head, and the described one end of peg connecting rod away from the head is relative provided with described in two
The connection otic placode of bearing pin, the connection otic placode is provided with otic placode circular hole, and the bearing pin is connected laterally in the otic placode circular hole.
Further, it is described micro- in order to prevent electrolyte from entering inside the connection of differential arc oxidation parts and screw bolt and nut
Arc aoxidizes parts and the joint face on the head is provided with the first elastic seal ring, the differential arc oxidation parts and the spiral shell
Female joint face is provided with the second elastic seal ring.Encapsulation process is carried out using elastic seal ring butt contact, to prevent electrolysis
Liquid, which enters, produces partial discharge phenomenon, effectively improves the quality of micro-arc oxidation films.Elastic seal ring can be rubber seal.
In order to improve sealing effectiveness, sealing ring mounting structure, the installation knot are set in the installation site of elastic seal ring
Structure can be that annular boss can also be annular groove, for the spacing positioning of elastic seal ring, make sealing effectiveness more preferable.
It is circumferential on the contact surface of the first scheme of sealing ring mounting structure, the head and first elastic seal ring
Provided with first annular boss, first elastic seal ring is located at the outside of the first annular boss, described first annular convex
The height of platform is less than the height of first elastic seal ring；Contact surface last week of the nut and second elastic seal ring
To provided with the second annular boss, second elastic seal ring is located at the outside of second annular boss, second annular
The endoporus of boss is corresponding with the nut inner hole, and the height of second annular boss is less than the height of second elastic seal ring
Degree.
The contact surface of the second scheme of sealing ring mounting structure, the head and first elastic seal ring is circumferentially
Provided with first annular groove, first elastic seal ring is located in the first annular groove, the first annular groove
Highly it is less than the height of first elastic seal ring；The contact surface of the nut and second elastic seal ring is provided with the
Second ring groove, second elastic seal ring is in second annular groove, and the height of second annular groove is small
In the height of second elastic seal ring.
Specifically, the screw bolt and nut is made of aluminum alloy materials.The material of screw bolt and nut is used and aluminium alloy
Parts identical material, it is possible to prevente effectively from hanger in the electrolytic solution can not the starting the arc phenomenon.
Further, the hanger is provided with elastic insulated film with electrolyte contacts part.One layer of coating is elastic insulated outside hanger
Film, to prevent hanger from being aoxidized with electrolyte contacts part in micro-arc oxidation process, to extend hanger service life, together
When, elastic insulated film can also be avoided because contact surface and electrolyte contacts produce partial discharge phenomenon.
The beneficial effects of the invention are as follows：A kind of micro-arc oxidation hanger that the present invention is provided, utilizes contact net aluminium alloy zero
The jump electrical connection string holes being had by oneself on part carries out differential arc oxidation with dismountable bolts and nuts as clamping device, solves zero
The technical problem of parts surface punching destruction parts integrality；Using aluminum alloy materials, threadably it is attached, has
Install and dismounting is simple, it is reusable；Encapsulation process is carried out with elastic seal ring butt contact, to prevent electrolyte from entering production
Raw partial discharge phenomenon, effectively improves the quality of micro-arc oxidation films；Outside hanger coat one layer of elastic insulated film, with prevent hanger with
Electrolyte contacts part is aoxidized in micro-arc oxidation process, to extend hanger service life.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of highly preferred embodiment of the present invention；
Fig. 2 is Fig. 1 partial sectional view；
Fig. 3 is the X-direction enlarged diagram of A in Fig. 2；
Fig. 4 is the front view of bolt in Fig. 1；
Fig. 5 is the left view of bolt in Fig. 1；
Fig. 6 is the top view of bolt in Fig. 1；
Fig. 7 is the front view of nut in Fig. 1；
Fig. 8 is the top view of nut in Fig. 1；
Fig. 9 is the front view of another embodiment of bolt in Fig. 1；
Figure 10 is the front view of another embodiment of nut in Fig. 1.
In figure：1st, peg, 2, bearing pin, 3, suspension hook, 4, parts, 5, bolt, 51, screw rod, 52, head, 6, nut, 7, even
Extension bar, 8, chamfering, 9, connection otic placode, 10, otic placode circular hole, the 11, first elastic seal ring, the 12, second elastic seal ring, 13,
One annular boss, the 14, second annular boss, 15, endoporus, 16, first annular groove, the 17, second annular groove, 18, elasticity absolutely
Velum.
Embodiment
Presently in connection with accompanying drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
The basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As Figure 1-10 shows, a kind of micro-arc oxidation hanger of the invention, including peg 1, the clamping machine located at the bottom of peg 1
Structure and the bearing pin 2 for rotating connection peg 1 and clamping device, the top of peg 1 are provided with suspension hook 3, suspension hook 3 be used for suspension need into
In the immersion electrolyte of aluminum alloy spare part 4 of row differential arc oxidation.
Wherein, clamping device includes bolt 5 and nut 6, and bolt 5 includes screw rod 51 and is located at the head of the one end of screw rod 51
52, differential arc oxidation parts 4 are set with the screw rod 51 between head 52 and nut 6, screw rod 51 is threadedly coupled with nut 6, lead to
Cross nut 6 differential arc oxidation parts 4 are fixed on screw rod 51, differential arc oxidation parts 4 connect with head 52 and the face of nut 6 respectively
Connect.The jump electrical connection string holes being had by oneself on by the use of contact net aluminum alloy spare part 4 is used as clamping with dismountable bolt 5 with nut 6
Mechanism carries out differential arc oxidation, it is to avoid in component surface punching, maintain parts integrality；Threadably connected
Connect, reusable advantage simple with installation and dismounting.
In order to realize the connection of bolt 5 and peg 1, the upper end on head 52 is provided with the connecting rod 7 of peg 1, the one end of connecting rod 7 with
Head 52 is fixedly connected, and can specifically use integrally connected, and connecting rod 7 and the junction on head 52 are provided with arc angling 8, can solved
Certainly the problem of stress concentration；The one end of connecting rod 7 away from head 52 is relative provided with two connection otic placodes 9 of bearing pin 2, connection otic placode 9
Otic placode circular hole 10 is provided with, bearing pin 2 is connected laterally in otic placode circular hole 10, and the axis of bearing pin 2 is vertical with the axis of peg 1.
In order to prevent electrolyte from entering differential arc oxidation parts 4 and bolt 5 and the contact surface of nut 6, differential arc oxidation zero
Part 4 and the joint face on head 52 are provided with the first elastic seal ring 11, and differential arc oxidation parts 4 on the joint face of nut 6 with setting
There is the second elastic seal ring 12.Encapsulation process is carried out using elastic seal ring butt contact, to prevent electrolyte from entering generation office
Portion's electric discharge phenomena, effectively improve the quality of micro-arc oxidation films.Specifically, elastic seal ring can be rubber seal.
In order to improve sealing effectiveness, sealing ring mounting structure is set in the installation site of elastic seal ring, mounting structure can
To be that annular boss can also be annular groove, for the spacing positioning of elastic seal ring, make sealing effectiveness more preferable.
The first embodiment of sealing ring mounting structure, as Figure 4-8, in the elastic seal ring 11 of head 52 and first
Contact surface on be circumferentially with first annular boss 13, the first elastic seal ring 11 is located at the outside of first annular boss 13, the
The inner side of one elastic seal ring 11 and the outside of first annular boss 13 can be using interference fits, the height of first annular boss 13
Less than the height of the first elastic seal ring 11, it is ensured that the first elastic seal ring 11 has certain elastic deformation to make sealing when mounted
More preferably, further, the junction of first annular boss 13 and screw rod 51 can be provided with chamfering 8 to effect, the shape of chamfering 8 with zero
The chamfering 8 of the own jump electrical connection string holes of part 4 coordinates；Nut 6 on the contact surface of the second elastic seal ring 12 with being circumferentially with
Second annular boss 14, the second elastic seal ring 12 is located at the outside of the second annular boss 14, it would however also be possible to employ interference fit, the
The endoporus 15 of second ring boss 14 is corresponding with the nut inner hole 15, and the diameter of two endoporus 15 is identical and just right, the second ring
The height of shape boss 14 is less than the height of the second elastic seal ring 12, is equally to ensure that the second elastic seal ring 12 has when mounted
Certain elastic deformation makes sealing effectiveness more preferable.
The second scheme of sealing ring mounting structure, as shown in figs. 9-10, head 52 connect with the first elastic seal ring 11
Circumferentially arranged with first annular groove 16 in contacting surface, the first elastic seal ring 11 is located in first annular groove 15, specifically, the
One elastic seal ring 11 can be less than the first bullet with first annular groove 15 using interference fit, the height of first annular groove 16
The height of property sealing ring 11；The contact surface of the elastic seal ring 12 of nut 6 and second is provided with the second annular groove 17, the second elasticity
Sealing ring 12 is in second annular groove 17, specifically, the first elastic seal ring 11 and first annular groove 15 can be with
Using interference fit, the height of the second annular groove 17 is less than the height of the second elastic seal ring 12.Equally, first annular groove
16 and second the height of annular groove 17 be respectively smaller than the first elastic seal ring 11 and the height of the second elastic seal ring 12 is also
In order to ensure that elastic seal ring has certain elastic deformation to make sealing effectiveness more preferable when mounted.
The material of bolt 5 and nut 6 can effectively be kept away using being made with the identical aluminum alloy materials of aluminum alloy spare part 4
Exempt from hanger in the electrolytic solution can not the starting the arc phenomenon.
In addition, hanger coats one layer of elastic insulated film 18 with electrolyte contacts part, to prevent hanger and electrolyte contacts
Part aoxidized in micro-arc oxidation process, to extend hanger service life, meanwhile, elastic insulated film 18 can also avoid because
Contact surface produces partial discharge phenomenon with electrolyte contacts.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, pass through above-mentioned description, related staff
Various changes and amendments can be carried out in without departing from the scope of the present invention completely.The technical scope of this invention is not
It is confined to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (9)
1. a kind of micro-arc oxidation hanger, it is characterised in that：Including peg (1) and the clamping device located at the peg (1) bottom,
Suspension hook (3) is provided with the top of the peg (1), peg (1) bottom rotates with the clamping device and is connected；
The clamping device includes bolt (5) and nut (6), and the bolt (5) includes screw rod (51) and is located at screw rod (51) one
The head (52) at end, the screw rod (51) is threadedly coupled with the nut (6), between the head (52) and the nut (6)
Screw rod (51) on be set with differential arc oxidation parts (4), the screw rod (51) on the differential arc oxidation parts (4) from
Some jumps electrically connect string holes, and dismountable spiral shell is passed through using the jump electrical connection string holes being had by oneself on the differential arc oxidation parts (4)
Bolt (5) and nut (6) are fixed, and the differential arc oxidation parts (4) are connected with the head (52) and nut (6) face respectively.
2. micro-arc oxidation hanger as claimed in claim 1, it is characterised in that：Also include bearing pin (2), the peg (1) and folder
Hold mechanism and connection is rotated by the bearing pin (2), the axis of the bearing pin (2) is vertical with the peg (1) axis.
3. micro-arc oxidation hanger as claimed in claim 1, it is characterised in that：The upper end of the head (52) is provided with peg (1)
Connecting rod (7), described peg (1) connecting rod (7) one end is fixedly connected with the head (52), peg (1) connecting rod (7)
On the relative connection otic placode (9) provided with two bearing pins (2) in one end away from the head (52), the connection otic placode (9)
Provided with otic placode circular hole (10), the bearing pin (2) is connected laterally in the otic placode circular hole (10).
4. micro-arc oxidation hanger as claimed in claim 1, it is characterised in that：The differential arc oxidation parts (4) and the head
The joint face in portion (52) is provided with the first elastic seal ring (11), the differential arc oxidation parts (4) and the company of the nut (6)
Junction is provided with the second elastic seal ring (12).
5. micro-arc oxidation hanger as claimed in claim 4, it is characterised in that：The head (52) and first elastic packing
First annular boss (13) is circumferentially with the contact surface for enclosing (11), first elastic seal ring (11) is located at first ring
The outside of shape boss (13), the height of the first annular boss (13) is less than the height of first elastic seal ring (11)；
It is circumferentially with the second annular boss (14) on the contact surface of the nut (6) and second elastic seal ring (12), described the
Two elastic seal rings (12) are located at the outside of second annular boss (14), the endoporus (15) of second annular boss (14)
Corresponding with the nut (6) endoporus (15), the height of second annular boss (14) is less than second elastic seal ring
(12) height.
6. micro-arc oxidation hanger as claimed in claim 4, it is characterised in that：The head (52) and first elastic packing
The contact surface of (11) is enclosed circumferentially arranged with first annular groove (16), first elastic seal ring (11) is located at first ring
In connected in star (16), the height of the first annular groove (16) is less than the height of first elastic seal ring (11)；It is described
Nut (6) and the contact surface of second elastic seal ring (12) are provided with the second annular groove (17), and second elasticity is close
Seal (12) is in second annular groove (17), and the height of second annular groove (17) is less than the described second elasticity
The height of sealing ring (12).
7. the micro-arc oxidation hanger as described in claim any one of 1-6, it is characterised in that：The bolt (5) and nut (6) are adopted
It is made of aluminum alloy materials.
8. the micro-arc oxidation hanger as described in claim any one of 1-6, it is characterised in that：The hanger and electrolyte contacts portion
It is arranged with elastic insulated film (18).
9. micro-arc oxidation hanger as claimed in claim 7, it is characterised in that：The hanger is provided with bullet with electrolyte contacts part
Property dielectric film (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475601.2A CN105177681B (en) | 2015-08-05 | 2015-08-05 | Micro-arc oxidation hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475601.2A CN105177681B (en) | 2015-08-05 | 2015-08-05 | Micro-arc oxidation hanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105177681A CN105177681A (en) | 2015-12-23 |
| CN105177681B true CN105177681B (en) | 2017-09-22 |
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ID=54900086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510475601.2A Active CN105177681B (en) | 2015-08-05 | 2015-08-05 | Micro-arc oxidation hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105177681B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108866595B (en) * | 2017-05-12 | 2020-01-24 | 华孚精密科技(马鞍山)有限公司 | Micro-arc oxidation device |
| CN113737244A (en) * | 2021-08-30 | 2021-12-03 | 贵州新安航空机械有限责任公司 | Plug-shaped hard anodizing tool |
| CN113832526B (en) * | 2021-09-07 | 2023-04-07 | 天衍医疗器材有限公司 | Novel high-voltage conductive rapid loading and unloading hanging tool |
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|---|---|---|---|---|
| CN2937158Y (en) * | 2006-07-25 | 2007-08-22 | 深圳市好利时实业有限公司 | Special hanger for one-side electroplating |
| CN201116313Y (en) * | 2007-08-28 | 2008-09-17 | 金建华 | Hanger for anodic oxidation |
| CN201704428U (en) * | 2010-05-23 | 2011-01-12 | 宁波轴瓦厂 | Bearing bush plating rack |
| CN104562138A (en) * | 2015-01-09 | 2015-04-29 | 哈尔滨东安发动机（集团）有限公司 | Micro-arc oxidation protection method for aluminum alloy |
| CN204417624U (en) * | 2015-01-13 | 2015-06-24 | 桂林电子科技大学 | A kind of matrix test specimen-anode bar coupling device |
| CN204939649U (en) * | 2015-08-05 | 2016-01-06 | 中铁建电气化局集团轨道交通器材有限公司 | Novel micro-arc oxidation hanger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3408802B2 (en) * | 2001-05-10 | 2003-05-19 | 原メッキ工業株式会社 | Anodizing jig |
-
2015
- 2015-08-05 CN CN201510475601.2A patent/CN105177681B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2937158Y (en) * | 2006-07-25 | 2007-08-22 | 深圳市好利时实业有限公司 | Special hanger for one-side electroplating |
| CN201116313Y (en) * | 2007-08-28 | 2008-09-17 | 金建华 | Hanger for anodic oxidation |
| CN201704428U (en) * | 2010-05-23 | 2011-01-12 | 宁波轴瓦厂 | Bearing bush plating rack |
| CN104562138A (en) * | 2015-01-09 | 2015-04-29 | 哈尔滨东安发动机（集团）有限公司 | Micro-arc oxidation protection method for aluminum alloy |
| CN204417624U (en) * | 2015-01-13 | 2015-06-24 | 桂林电子科技大学 | A kind of matrix test specimen-anode bar coupling device |
| CN204939649U (en) * | 2015-08-05 | 2016-01-06 | 中铁建电气化局集团轨道交通器材有限公司 | Novel micro-arc oxidation hanger |
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| Publication number | Publication date |
|---|---|
| CN105177681A (en) | 2015-12-23 |
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