CN206872969U - A kind of piston limit oxidation unit - Google Patents
A kind of piston limit oxidation unit Download PDFInfo
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- CN206872969U CN206872969U CN201720809432.6U CN201720809432U CN206872969U CN 206872969 U CN206872969 U CN 206872969U CN 201720809432 U CN201720809432 U CN 201720809432U CN 206872969 U CN206872969 U CN 206872969U
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- Prior art keywords
- piston
- sealing ring
- insulating sleeve
- sleeve
- oxidation unit
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Abstract
The utility model discloses a kind of piston limit oxidation unit, including the first sealing ring (1) being placed in the range of piston article (4) setting height and the insulating sleeve (2) being put at oxidation electrolyte slotted eye, the inner side of the insulating sleeve (2) has step surface, and the piston article (4) is set in the insulating sleeve (2), first sealing ring (1) is placed on the step surface and the piston article (4) is immersed in oxidation electrolyte (6) in first sealing ring (1) with lower part；Also include the embedded piston article (4) and the abutment sleeve (3) in the insulating sleeve (2) gap, the abutment sleeve (3) is pressed on first sealing ring (1), and the insulating sleeve (2) and the abutment sleeve (3) position are fixed.The problems such as piston limit oxidation unit is efficiently solved in isolation limit positions skew, and sealing tightness is bad, and insulating protection is poor.
Description
Technical field
Piston technical field is the utility model is related to, more particularly to a kind of piston limit oxidation unit.
Background technology
Piston is the vital part of automobile engine, and all-aluminium piston needs to obtain oxide-film by anodic oxidation, to change
Kind piston high temperature resistant barrier propterty.This part required just for piston article combustion chamber firepower bank height, it is therefore desirable to
A kind of device realizes that piston article part isolates electrolyte, realizes that aluminum piston workpiece limits combustion chamber and firepower bank highly carries out sun
Pole oxidation processes, it is dielectrically separated to not aoxidizing position, to realize that piston appointed part can obtain feature anode oxide film
The technical requirements of layer.Because oxidation electrolyte is corrosive liquids, oxidizing process is carried out in the energized state again, if close
Seal bad, pit corrosion easily occurs cause piston to be scrapped in isolation limit positions.
In the prior art, including cladding process and integral type air inflation sealing device.Cladding process is Wax-coated in not oxide regions
Layer or insulation quick-drying paint and then plastic film tape wrapping, after zoneofoxidation oxidation is completed, then remove screen.But cladding process
The shortcomings that be tedious process, drying time is longer；Applicator becomes easily infected by oxide side, cleaning trouble；Screen after oxidation
Remove the need of work consumption energy, chemicals and facility.Zoneofoxidation border is irregular, and presentation quality is poor.Integral type inflation is close
Seal apparatus is that the rubber inner tube that be able to will be inflated is preset with designing die location, after piston to be oxidized is put into, opens source of the gas and fills
Make the full sealing of inner tube of a tyre expansion to certain pressure, be then turned on aoxidizing power supply, deflated after end to be oxidized, taken out well-oxygenated
Piston.But integral type air inflation sealing device is complicated, cost is high, and fabrication cycle length, piston kind switching is not easy to realize.
In summary, how to efficiently solve isolation limit positions skew, sealing tightness it is bad, insulating protection compared with
The problems such as poor, it is current those skilled in the art's urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of piston limit oxidation unit, and the piston limit oxidation unit effectively solves
Determine in isolation limit positions skew, sealed the problems such as tightness is bad, and insulating protection is poor.
In order to solve the above technical problems, the utility model provides following technical scheme：
A kind of piston limit oxidation unit, including be placed on the first sealing ring in the range of piston article setting height and be put in
Insulating sleeve at oxidation electrolyte slotted eye, the inner side of the insulating sleeve have step surface, and the piston article is set in institute
State in insulating sleeve, first sealing ring is placed on the step surface and the piston article is below first sealing ring
Part is immersed in oxidation electrolyte；Also include the embedded piston article and the abutment sleeve in the insulating sleeve gap, institute
State abutment sleeve to be pressed on first sealing ring, the insulating sleeve and the abutment sleeve position are fixed.
Preferably, there is pin-and-hole, the pin-and-hole is interior to be pressed on institute inserted with alignment pin, the alignment pin in the piston article
On the horizontal surface for stating insulating sleeve and the abutment sleeve.
Preferably, first sealing ring is O-shaped rubber seal.
Preferably, the quantity of first sealing ring is one, aoxidizes line of demarcation positioned at piston, its position is by the insulation
Sleeve, the abutment sleeve, the piston article, the alignment pin are from inside and outside four direction is locking up and down.
Preferably, the diameter of section of first sealing ring is 5-8mm.
Preferably, the top of the insulating sleeve has the cascaded surface towards outside, and the cascaded surface is overlapped in the oxygen
Change the upper edge of electrolyte slotted eye.
Preferably, it is provided with the second sealing ring between the edge of the cascaded surface and the oxidation electrolyte slotted eye.
Preferably, the insulating sleeve and the abutment sleeve include multiple piecemeal parts, and multiple piecemeal parts lead to
Cross bolt connection.
Piston limit oxidation unit provided by the utility model, sun is carried out applied to aluminum piston top surface and firepower bank position
Pole aoxidizes, and for the non-oxidizing restricted area oxidation unit in remaining position, it is necessary to explanation, anodic oxidation is to make aluminum or aluminum alloy
For anode, it is placed in oxidation electrolyte and carries out energization processing, the process of aluminum or aluminum alloy Surface Creation oxide-film is referred to as anode
Oxidation.Piston zoneofoxidation is that have anode oxide film feature overcoat in all-aluminium piston top surface or header area design, this
Appointed region is referred to as piston zoneofoxidation.Piston limit oxidation unit includes the first sealing ring, insulating sleeve and abutment sleeve,
First sealing ring is placed in the range of piston article setting height, and insulating sleeve is put at oxidation electrolyte slotted eye, insulating sleeve
Inner side has step surface, and piston article is set in insulating sleeve, the first sealing ring is placed on step surface, and piston article is
One sealing ring is immersed in oxidation electrolyte with lower part.Abutment sleeve is embedded in piston article and insulating sleeve gap, positioning sleeve
Cylinder is pressed on the first sealing ring, and insulating sleeve and abutment sleeve position are fixed.
Piston limit oxidation unit is split mechanical sealing, and manual operations is simple and easy.Its mode of operation is specially：It is accurate
Standby piston article, sealing ring is inserted in the range of the setting height of piston article head；Piston article is tipped upside down on insulating sleeve；
Part abutment sleeve is embedded in the gap of piston article and insulating sleeve, pushes down sealing ring；Fixed insulation sleeve and abutment sleeve
Horizontal plane；Whole piston limit oxidation unit is put into oxidation electrolyte slotted eye, makes to immerse oxidization electrolysis below sealing ring
In liquid；Start oxidation machine work.
Piston limit oxidation unit provided by the utility model, passes through the first sealing ring, insulating sleeve and abutment sleeve
Mutual cooperation, realize that piston article specifies zoneofoxidation to be immersed in oxidation electrolyte completion oxidizing and electrochemical course of reaction, it is living
Plug workpiece not with oxidation electrolyte isolate without oxidizing and electrochemical reaction occurs, so as to only in piston article zoneofoxidation by oxide regions
Carry out the oxide-film that oxidizing and electrochemical reaction obtains technical requirements.The piston limit oxidation unit, multiple simple part combinations are realized
Highly difficult sealing, the gradual precise positioning of point multistep of piston oxidation is realized, sealing tightness is good, and insulating protection is good, flexibility
By force, easily realize that piston kind switches, make simply, efficiency high, be adapted to production in enormous quantities, cost is cheap, cheap, holds
Easily realize.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation for the piston limit oxidation unit that Fig. 1 is provided by a kind of embodiment in the utility model
Figure.
Marked in accompanying drawing as follows：
The sealing rings of 1- first, 2- insulating sleeves, 3- abutment sleeves, 4- piston articles, 5- alignment pins, 6- oxidation electrolytes.
Embodiment
Core of the present utility model is to provide a kind of piston limit oxidation unit, and the piston limit oxidation unit effectively solves
Determine in isolation limit positions skew, sealed the problems such as tightness is bad, and insulating protection is poor.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 is refer to, the piston limit oxidation unit that Fig. 1 is provided by a kind of embodiment in the utility model
Structural representation.
In a kind of embodiment, piston limit oxidation unit provided by the utility model, applied to aluminum piston
Top surface and firepower bank position carry out anodic oxidation, and the non-oxidizing restricted area oxidation unit in remaining position is, it is necessary to explanation, sun
Pole oxidation is using aluminum or aluminum alloy as anode, is placed in oxidation electrolyte 6 and carries out energization processing, gives birth to aluminum or aluminum alloy surface
Process into oxide-film is referred to as anodic oxidation.Piston zoneofoxidation is that have anodic oxygen in all-aluminium piston top surface or header area design
Change film feature overcoat, this appointed region is referred to as piston zoneofoxidation.Piston limit oxidation unit includes the first sealing
Circle 1, insulating sleeve 2 and abutment sleeve 3, the first sealing ring 1 are placed in the range of the setting height of piston article 4, and insulating sleeve 2 is put in
At oxidation electrolyte slotted eye, the inner side of insulating sleeve 2 has step surface, and piston article 4 is set in insulating sleeve 2, first close
Seal 1 is placed on step surface, and piston article 4 is immersed in oxidation electrolyte 6 in the first sealing ring 1 with lower part.Abutment sleeve 3
In embedded piston article 4 and the gap of insulating sleeve 2, abutment sleeve 3 is pressed on the first sealing ring 1, insulating sleeve 2 and abutment sleeve
3 positions are fixed.
Piston limit oxidation unit is split mechanical sealing, and manual operations is simple and easy.Its mode of operation is specially：It is accurate
Standby piston article 4, sealing ring is inserted in the range of the head setting height of piston article 4；Piston article 4 is tipped upside down on into insulating sleeve
On 2；Part abutment sleeve 3 is embedded in piston article 4 with the gap of insulating sleeve 2, pushing down sealing ring；The He of fixed insulation sleeve 2
The horizontal plane of abutment sleeve 3；Whole piston limit oxidation unit is put into oxidation electrolyte slotted eye, makes to immerse below sealing ring
In oxidation electrolyte 6；Start oxidation machine work.
Piston limit oxidation unit provided by the utility model, pass through the first sealing ring 1, insulating sleeve 2 and positioning sleeve
The mutual cooperation of cylinder 3, realize that piston article 4 is specified zoneofoxidation to be immersed in completion oxidizing and electrochemical in oxidation electrolyte 6 and reacted
Journey, piston article 4 not with oxidation electrolyte 6 isolate without oxidizing and electrochemical reaction occurs, so as to only in piston work by oxide regions
The zoneofoxidation of part 4 carries out the oxide-film that oxidizing and electrochemical reaction obtains technical requirements.The piston limit oxidation unit, multiple simple parts
Highly difficult sealing is realized in combination, realizes the gradual precise positioning of point multistep of piston oxidation, piston oxidation circle when realizing batch production
Uniformity is limited, insulating protection is good, and flexibility is strong, easily realizes that piston kind switches, and makes simple, efficiency high, is adapted to big
Batch production, cost is cheap, cheap, easily realizes.
Above-mentioned piston limit oxidation unit is only a kind of preferred scheme, is specifically not limited thereto, on this basis can root
Made according to being actually needed with targetedly adjusting, so as to obtain different embodiments, there is pin-and-hole in piston article 4, sold
It is pressed on the horizontal surface of insulating sleeve 2 and abutment sleeve 3 inserted with alignment pin 5, alignment pin 5 in hole, is fixed by alignment pin 5
Insulating sleeve 2 and abutment sleeve 3, simple in construction, positioning is convenient, and stability is preferable.
On the basis of above-mentioned embodiment, those skilled in the art can be according to the difference of specific occasion, to work
Fill in spacing oxidation unit and carry out some changes, the first sealing ring 1 is O-shaped rubber seal.Rubber seal is set in piston work
On part 4, it is placed in oxidation electrolyte 6, sealing is preferable.O-shaped rubber seal and piston article 4 are linear contact lay, and sealing is entered
One step improves.It is of course also possible to using other sealing rings, all in the scope of protection of the utility model.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Embodiment carries out some changes, and the quantity of the first sealing ring 1 is one, and line of demarcation is aoxidized positioned at piston, its position by
Insulating sleeve 2, abutment sleeve 3, piston article 4, alignment pin 5 are from inside and outside four direction is locking up and down, and sealing effectiveness is preferable, more
It is safe and reliable.The quantity of first sealing ring 1 is an a kind of simply preferred embodiment, is not unique, can enter one
The quantity of step increase sealing ring, all in the scope of protection of the utility model.
It is important to note that piston limit oxidation unit provided by the utility model is not intended to be limited to such a feelings
Shape, the diameter of section of the first sealing ring 1 arbitrary value between 5~8mm, including endpoint value, such as 7mm, specific size are unrestricted
System, can be depending on the practical situations such as intensity and aeroelastic requirements.
Piston limit oxidation unit provided by the utility model, in the case of other parts are immovable, insulating sleeve 2
With the supporting installation of oxidation electrolyte slotted eye, the top of insulating sleeve 2 has the cascaded surface towards outside, and outside refers to oxidation electricity
The side of liquid bath hole outer is solved, cascaded surface is overlapped in the upper edge of oxidation electrolyte slotted eye, and the installation for being easy to insulating sleeve 2 is determined
Position, easy for installation, sealing is preferable between the two.
For the piston limit oxidation unit in above-mentioned each embodiment, the edge of cascaded surface and oxidation electrolyte slotted eye it
Between be provided with the second sealing ring, prevent from having between the edge of cascaded surface and oxidation electrolyte slotted eye gap and leakage, ensure device
Sealing.
In order to further optimize above-mentioned technical proposal, insulating sleeve 2 and abutment sleeve 3 include multiple piecemeal parts, specifically
Quantity is unrestricted, can be bolted according to the different sets itselfs of particular condition in use, multiple piecemeal parts, each
Piecemeal part-structure is simple, simplifies the manufacture difficulty of insulating sleeve 2 and abutment sleeve 3, reduces the size of former making material, cost
Reduce.
, it is necessary to explanation in description of the present utility model, on term, the orientation of the instruction such as outside or position relationship be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
- A kind of 1. piston limit oxidation unit, it is characterised in that including be placed in the range of piston article (4) setting height first Sealing ring (1) and the insulating sleeve (2) being put at oxidation electrolyte slotted eye, the inner side of the insulating sleeve (2) have step surface, The piston article (4) is set in the insulating sleeve (2), first sealing ring (1) is placed on the step surface and institute Piston article (4) is stated to immerse in oxidation electrolyte (6) with lower part in first sealing ring (1)；Also include the embedded work Workpiece (4) and the abutment sleeve (3) in the insulating sleeve (2) gap are filled in, the abutment sleeve (3) is pressed on first sealing Enclose on (1), the insulating sleeve (2) and the abutment sleeve (3) position are fixed.
- 2. piston limit oxidation unit according to claim 1, it is characterised in that there is pin on the piston article (4) Hole, the pin-and-hole is interior to be pressed on the insulating sleeve (2) and the abutment sleeve inserted with alignment pin (5), the alignment pin (5) (3) on horizontal surface.
- 3. piston limit oxidation unit according to claim 2, it is characterised in that first sealing ring (1) is O-shaped rubber Glue sealing ring.
- 4. piston limit oxidation unit according to claim 3, it is characterised in that the quantity of first sealing ring (1) For one, line of demarcation is aoxidized positioned at piston, its position is by the insulating sleeve (2), the abutment sleeve (3), the piston work Part (4), the alignment pin (5) are from inside and outside four direction is locking up and down.
- 5. piston limit oxidation unit according to claim 4, it is characterised in that the section of first sealing ring (1) A diameter of 5-8mm.
- 6. according to the piston limit oxidation unit described in claim any one of 1-5, it is characterised in that the insulating sleeve (2) Top there is cascaded surface towards outside, the cascaded surface is overlapped in the upper edge of the oxidation electrolyte slotted eye.
- 7. piston limit oxidation unit according to claim 6, it is characterised in that the cascaded surface and the oxidization electrolysis The second sealing ring is provided between the edge in liquid bath hole.
- 8. according to the piston limit oxidation unit described in claim any one of 1-5, it is characterised in that the insulating sleeve (2) Include multiple piecemeal parts with the abutment sleeve (3), multiple piecemeal parts are bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809432.6U CN206872969U (en) | 2017-07-04 | 2017-07-04 | A kind of piston limit oxidation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809432.6U CN206872969U (en) | 2017-07-04 | 2017-07-04 | A kind of piston limit oxidation unit |
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| Publication Number | Publication Date |
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| CN206872969U true CN206872969U (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720809432.6U Active CN206872969U (en) | 2017-07-04 | 2017-07-04 | A kind of piston limit oxidation unit |
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| Country | Link |
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| CN (1) | CN206872969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214702A (en) * | 2021-12-20 | 2022-03-22 | 鸿富锦精密电子（成都）有限公司 | Method and apparatus for etching alloy plate having slot |
-
2017
- 2017-07-04 CN CN201720809432.6U patent/CN206872969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214702A (en) * | 2021-12-20 | 2022-03-22 | 鸿富锦精密电子（成都）有限公司 | Method and apparatus for etching alloy plate having slot |
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