CN110029386A - A kind of multi-blind hole, deep hole aluminum hardware anodic oxidation equipment - Google Patents
A kind of multi-blind hole, deep hole aluminum hardware anodic oxidation equipment Download PDFInfo
- Publication number
- CN110029386A CN110029386A CN201910331548.7A CN201910331548A CN110029386A CN 110029386 A CN110029386 A CN 110029386A CN 201910331548 A CN201910331548 A CN 201910331548A CN 110029386 A CN110029386 A CN 110029386A
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- hole
- support plate
- movable platform
- oxidation
- groove body
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 86
- 230000003647 oxidation Effects 0.000 title claims abstract description 84
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 71
- 238000005057 refrigeration Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 21
- 239000007789 gas Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 7
- 238000002203 pretreatment Methods 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 235000010585 Ammi visnaga Nutrition 0.000 description 2
- 244000153158 Ammi visnaga Species 0.000 description 2
- 238000002679 ablation Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000005237 degreasing agent Methods 0.000 description 2
- 239000013527 degreasing agent Substances 0.000 description 2
- 239000004047 hole gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/02—Heating or cooling
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/10—Agitating of electrolytes; Moving of racks
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Printing Plates And Materials Therefor (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A kind of multi-blind hole, deep hole aluminum hardware anodic oxidation equipment, it include: oxidation groove body, refrigeration system, seal cover board is provided with above oxidation groove body, seal closure is provided on seal cover board, open slot, support frame are provided on seal cover board in seal closure, a confined space is formed, vacuum meter and vacuum pump are provided on seal closure；Movable platform is arranged on the support frame, and the upper face center of movable platform one end is provided with hanger shaft, and two sides are symmetrically arranged with small axis, is rotated by bearing along the first support plate and the second support plate, the upper surface of the other end is provided with motor and brush；Hanger shaft upper end connects motor, and lower end enters in oxidation groove body；The present invention realizes vacuum environment in slot, tilting rotary rack shaft, so that being placed in the multi-blind hole in slot, gas is discharged rapidly in deep hole aluminum hardware hole, it is ensured that be stirred cooling to tank liquor under vacuum environment；Up to 100%, hole wall oxidation film uniformity also greatly improves plated film rate in multi-blind hole, deep hole aluminum hardware list processing hole.
Description
Technical field
The present invention relates to field of surface treatment more particularly to a kind of multi-blind holes, deep hole aluminum hardware anodic oxidation equipment.
Background technique
Hard anodizing is one of main process of surface treatment of aluminum hardware, since horniness anode oxide film has firmly
The series of advantages such as degree is big, wearability is good, good insulating, preparation cost are low, play pass to the large-scale use of aluminum hardware
Keyness effect.
Anode oxidation process needs aluminum hardware surface to contact with acid solution, and part contacted with power anode so that part,
Tank liquor, cathode forming circuit to some there are the aluminum hardwares such as multi-blind hole, deep hole to carry out anodic oxygen to carry out electrolytic oxidation
When change, usually causes acid solution that can not come into full contact with hole wall because of gas bubbles left in hole, ultimately cause hole wall plating leakage or plated film
Phenomena such as uneven.For this phenomenon, people are clamped by aluminium wire, the degasification of toothpick through-hole, when injecting tank liquor, increase oxidation in hole
Between the methods of to multi-blind hole, deep hole aluminum hardware carry out anodic oxidation.However aluminium wire clamps and does not ensure that gas excludes in hole,
And the oxidation dissolution of aluminium wire will increase tank liquor aluminium ion and increase sharply influences oxidation susceptibility, and the oxidation of aluminium wire can also make and aluminium
Feature contacts processed are bad.The methods of tank liquor is injected in toothpick degasification and hole has one to be set for few blind hole, deep hole aluminum hardware
With, however the aluminum hardware more for blind hole, deep hole, it is excessively cumbersome by gas process in manual type evacuation aperture, simultaneously
The air of gas agitating can also be re-attached to cause to aoxidize in hole insufficient in oxidation process.It is realized by increasing oxidization time
Hole inner wall oxide film thickness reach expected thickness in hole there are the small pore pressure of bubble be even more can not, will increase part instead
The possibility of ablation.Therefore it is directed to this kind of multi-blind hole, deep hole aluminum hardware, how to carry out anodic oxidation without plating leakage in hole
And phenomena such as oxidation unevenness, aoxidizes qualification rate, reduction production cost to improve part, becomes a field skill urgently to be resolved
Art problem.
Summary of the invention
It is an object of the present invention to provide a kind of multi-blind holes, deep hole aluminum hardware anodic oxidation equipment, for above-mentioned existing right
Multi-blind hole, deep hole aluminum hardware use anodized scheme deficiency, problem to be solved by this invention be how
The exclusion of gas in aluminum hardware hole is realized while not influencing aluminum hardware anode oxidation process, fast and efficiently to reach
Multi-blind hole, the sufficient anodic oxidation of deep hole aluminum hardware.
In order to achieve the above technical purposes, reach above-mentioned technical requirements, the technical scheme adopted by the invention is that:
A kind of multi-blind hole, deep hole aluminum hardware anodic oxidation equipment, comprising: oxidation groove body is arranged in the intracorporal freezing of oxidation trough
System, the cathode plate that oxidation trough body sidewall is set, it is characterized by:
It is provided with seal cover board above the oxidation groove body, seal closure is provided on the seal cover board, described
Seal closure in seal cover board on be provided with open slot, support frame；
The open slot connection oxidation groove body and seal closure keep oxidation groove body, seal cover board, seal closure, formation one closed
Space；
Vacuum meter and vacuum line are provided on oxidation groove body or seal cover board or seal closure, the vacuum line connection is true
Sky pump；
The support frame includes the first support plate and the second support plate；First support plate and the second support plate are corresponding
Second bearing hole is each provided on the medial surface of upper end；
Movable platform is provided between first support plate and the second support plate；The upper table of described movable platform one end
Face center is provided with hanger shaft, and is symmetrically arranged with small axis in two sides, and the upper surface of the other end of movable platform is provided with
Motor and brush；The upper end of the hanger shaft is connected to motor by belt, the lower end of hanger shaft by open slot into
Enter into oxidation groove body；Bearing is provided on the small axis of the movable platform two sides to support with the first support plate and second respectively
Second bearing hole cooperation on plate, the movable platform are revolved by the bearing on small axis along the first support plate and the second support plate
Turn；
First support plate and/or the second support plate upper end are provided with the second threaded hole；Second threaded hole is vertical
It is communicated in second bearing hole and with the second bearing hole；Screw passes through the small axis in the second threaded hole locking movable platform,
And the rotation angle of fixed movable platform is adjusted by screw；
Described brush one end connects positive pole, and the brush other end connects hanger shaft；
The hanger shaft is disposed with speed probe, brush fixture installation place, driving belt slot, bearing from top to bottom
Installation place is provided with the first threaded hole in the bottom of the hanger shaft, and first threaded hole connects hanger；
The hanger shaft installs bearing and the movable platform perpendicular to movable platform, by the bearing installation
First axle bearing bore match；
The hanger shaft is embedded in driving belt and is connected to motor by driving belt slot realizes the rotation of hanger shaft, passes through
The speed probe detects and controls 7 revolving speed of hanger shaft；
The open slot is the long hole of annular；
The two sides of the open slot are symmetrically arranged with first support plate and the second support plate；
The vacuum line is bellows；
The hanger rotating shaft material is Ta2 titanium.
Beneficial effects of the present invention:
A kind of multi-blind hole, deep hole aluminum hardware anodic oxidation equipment increase vacuum pump and tilting extension on the basis of conventional oxidation slot
Have shaft, realizes that vacuum environment in slot, the negative pressure of vacuum in oxidation trough make the multi-blind hole being placed in slot, deep hole aluminum hardware
Gas is discharged rapidly in hole, and vacuum environment is mainly connected by vacuum line with vacuum pump to realize；Vacuum environment vacuum degree
By the vacuum meter measurement control being connected in equipment；Cover board is by carrying out sealing, hanger shaft and electricity between sealing ring and oxidation trough
Machine is covered with seal closure, it is ensured that the airtightness inside oxidation trough.
Using tilting rotary rack shaft, it is ensured that be stirred cooling effect under vacuum environment to tank liquor, avoid biography
System equipment gas purging introduces bulk gas and destroys vacuum；So that be fixed on the multi-blind hole on hanger, deep hole aluminum hardware with
The rotation of hanger shaft, the relative movement of aluminum hardware and tank liquor, it can be achieved that in aluminum hardware hole gas precipitation, in conjunction with oxidation trough
Interior negative pressure of vacuum, removal of bubbles rate may be up to 100% in hole；Plated film rate is reachable in multi-blind hole, deep hole aluminum hardware list processing hole
100%, hole wall oxidation film uniformity also greatly improves.
Detailed description of the invention
Fig. 1 is general assembly structural schematic diagram of the present invention；
Fig. 2 is aluminum hardware aperture of the present invention several different conditions rough schematic views in tank liquor；
Fig. 3 is the seal cover board schematic diagram that the present invention is integrated with support frame and hanger shaft；
Fig. 4 is the main view in movable platform structure schematic diagram of the present invention；
Fig. 5 is Fig. 4 movable platform longitudinal sectional view of the present invention；
Fig. 6 is the longitudinal sectional view of the first support plate or the second support plate of the invention；(horizontal direction is laterally)
In figure: 1. oxidation groove bodies；2. seal cover board；3. vacuum line；4. vacuum meter；5. open slot；6. support frame；7. hanger
Shaft；8. seal closure；9. brush；10. motor；11. refrigeration system；12. driving belt；13. cathode plate；14 screws；15. bearing
Installation place；16. driving belt slot；17. brush fixture installation place；18. speed probe；19. movable platform；20. the second support
Plate；21. the first support plate；22. the first threaded hole；23. small axis；24. first axle bearing bore；25. the second threaded hole；26. the second axis
Bearing bore.
Specific embodiment
In order to be more clear the purpose of the present invention, technical solution and its advantageous effects, below in conjunction with attached drawing and tool
Body embodiment, the present invention will be described in further detail；
In the accompanying drawings:
A kind of multi-blind hole, deep hole aluminum hardware anodic oxidation equipment, comprising: oxidation groove body 1, be arranged in it is cold in oxidation groove body 1
Jelly system 11, be arranged in oxidation 1 side wall of groove body cathode plate 13, it is characterized by:
The top of the oxidation groove body 1 is provided with seal cover board 2, is provided with seal closure 8 on the seal cover board 2,
Open slot 5, support frame 6 are provided on seal cover board 2 in the seal closure 8；
The connection of the open slot 5 oxidation groove body 1 and seal closure 8 make to aoxidize groove body 1, seal cover board 2, seal closure 8, form one
A confined space；
Vacuum meter 4 and vacuum line 3, the vacuum line 3 are provided on oxidation groove body 1 or seal cover board 2 or seal closure 8
Connect vacuum pump；
The support frame 6 includes the first support plate 21 and the second support plate 20；First support plate 21 and the second support plate
Second bearing hole 27 is each provided on 20 corresponding upper end medial surfaces；
Movable platform 19 is provided between first support plate 21 and the second support plate 20；The movable platform 19 1
The upper face center at end is provided with hanger shaft 7, and is symmetrically arranged with small axis 23 in two sides, the other end of movable platform 19
Upper surface is provided with motor 10 and brush 9；The upper end of the hanger shaft 7 is connect by belt with motor 10, hanger shaft 7
Lower end by open slot 5 enter oxidation groove body 1 in；Bearing is provided on the small axis 23 of 19 two sides of movable platform
Cooperate respectively with the second bearing hole 26 in the first support plate 21 and the second support plate 20, the movable platform 19 passes through small axis
Bearing on 23 is rotated along the first support plate 21 and the second support plate 20；
First support plate 21 and/or 20 upper end of the second support plate are provided with the second threaded hole 25；Second screw thread
Hole 25 is communicated perpendicular to second bearing hole 26 and with the second bearing hole 26；Screw 14 passes through the locking of the second threaded hole 25 and lives
Small axis 23 on moving platform 19, and the rotation angle for fixing movable platform 19 is adjusted by screw 14；
Described 9 one end of brush connects positive pole, and 9 other end of brush connects hanger shaft 7；
The hanger shaft 7 is disposed with speed probe 18, brush fixture installation place 17, driving belt slot from top to bottom
16, bearing installation 15, the bottom of the hanger shaft 7 is provided with the first threaded hole 22, first threaded hole 22
Connect hanger；
The hanger shaft 7 installs bearing and the work perpendicular to movable platform 19, by the bearing installation 15
The first axle bearing bore 24 of moving platform 19 matches；
The hanger shaft 7 is embedded in driving belt 12 and is connect with motor 10 by driving belt slot 16 realizes hanger shaft 7
Rotation, detects and controls 7 revolving speed of hanger shaft by the speed probe 18；
The open slot 5 is the long hole of annular；
The two sides of the open slot 5 are symmetrically arranged with first support plate 21 and the second support plate 20；
The vacuum line 3 is bellows；
7 material of hanger shaft is Ta2 titanium.
Sealing is carried out between seal cover board and oxidation trough as shown in Figure 1, increasing on the basis of conventional oxidation slot, hanger shaft and
Motor is covered with seal closure, it is ensured that the airtightness inside oxidation trough.Vacuum in oxidation trough is realized using vacuum pump and vacuum line
Environment connects true hole conduit positions and is not limited to cover board, and the connection of other positions such as groove body side wall, seal closure is accordingly to be regarded as on tank liquor
Surface provides vacuum.Vacuum pump oxidizing slot tank liquor upper surface provides subnormal ambient, and the vacuum environment vacuum degree is by connecting
Vacuum meter in equipment measures control；Vacuum meter real-time monitoring tank liquor upper surface vacuum degree, the negative pressure of vacuum in oxidation trough make
Gas is discharged rapidly in the multi-blind hole that must be placed in slot, deep hole aluminum component hole, needs for the blind hole of different specification size, deep hole
Different vacuum degrees realize the discharge of gas in hole to realize coming into full contact with for tank liquor and aluminum component hole inner wall, final to realize hole inner wall
It is fully oxidized.
In Fig. 2:
Multi-blind hole, deep hole aluminum component aperture state in tank liquor can be reduced to five kinds, respectively aperture open slot vertically downward (a),
(d), open slot are horizontal (e) obliquely for (c), open slot vertically upward for (b), open slot obliquely for open slot, oxidation trough interior groove
Air pressure P1 above liquid, residual gas pressure P2 in aperture vacuumize rear P1 inside slot and reduce rapidly, and tank liquor surface pressure F=
P1S(S is liquid level top surface area) it decreases, hole bottom walls are become smaller by fluid pressure, and P2 is constant at this time, hole spirit
Foam product V becomes larger, and buoyancy F=ρ liquid gV suffered by bubble also becomes larger (g is gravitational constant) therewith, if aluminum component hole open slot is in vertical
Upwards or obliquely state, then be attached to the bubble of hole bottom can because of buoyancy increase and float and leave hole wall, if however
Aluminum component aperture open slot is in vertically downward, obliquely and when horizontality, since aperture buoyancy is upward, and be in top
Bottom hole and hole wall stop and can not be detached from aperture, and for this problem, we devise rotary rack shaft 7 and its is tilting.
In Fig. 3 Fig. 4 Fig. 5 Fig. 6:
Hanger shaft is integrated with speed probe, and the bottom of driving belt slot, bearing installation, hanger shaft is provided with screw thread
Hole, the threaded hole pass through bolt or hook connection hanger；Hanger shaft is fixed into activity on the support frame by bearing
One end center of platform, is small axis and bearing fit between movable platform and the first support plate and the second support plate, passes through screw
Connection with small axis adjusts the rotation angle and fixed movable platform of movable platform, similarly secures the rotation angle of hanger shaft
Degree.Rotation angle can be replaced flexibly according to the hole location and oxidation technology of different parts.
Hanger shaft realizes the rotation of hanger shaft, revolution speed sensing by being embedded in driving belt in belt grooves and being connected to motor
Device detects and controls hanger shaft revolving speed, and brush connects positive pole of stabilized voltage supply, realizes that shaft rotates energization characteristic, hanger shaft material
Material selection Ta2 titanium is to improve hanger shaft corrosion resistance, and hanger shaft bearing is fixed in the bearing hole of movable platform, and activity is flat
The platform other end places motor and brush, on the one hand can play and give hanger shaft counterweight effect, on the other hand by motor and brush with
Hanger shaft, which is fixed on same bracket, can realize that rotary rack shaft can remain powered on the function of rotation after tilting different angle
And save occupied space.
Hanger is hung in hanger shaft, it can be achieved that the multi-blind hole, deep hole aluminum hardware on hanger are therewith horizontal by one
Clamp angle is rotated by setting speed, on the one hand stirs tank liquor, and alternative gas purging reduces tank liquor temperature, avoids aluminium parts locally
Overheat causes part ablation, and since oxidation groove body is vacuum, purging cooling tank liquor according to traditional gas, then extreme influence is true
Reciprocal of duty cycle even cannot achieve vacuum, using rotary rack shaft so that be fixed on the multi-blind hole on hanger, deep hole aluminum hardware with
The precipitation of gas in aluminum hardware hole is realized in the relative movement of the rotation of hanger shaft, aluminum hardware and tank liquor；Compare traditional gas
For purging will cause gas attachment, rotary rack shaft can substantially reduce blind hole, bubble attachment residual in deep hole aluminum component hole.Rotation
It is tilting to turn linked to tool shaft, so that axially bored line polytropism in rotary course, it is ensured that aluminum hardware blind hole, deep hole opening in operating process
Slot direction is horizontally oriented top, avoid because in hole gas by buoyancy due to get deeply stuck in hole and cannot exclude with gas in hole because upper
Floating the phenomenon that being kept off and cannot be excluded completely by hole bottom sieve frame.
Multi-blind hole, the anodic oxidation of deep hole aluminum hardware are selected as present device and uses object, but the invention is not
It is confined to the anodic oxidation of multi-blind hole, deep hole aluminum hardware, also includes for example pure titanium of other a variety of materials, titanium alloy, aluminium alloy etc.
Oxidation；For the thorough cleaning treatment in multi-blind hole, deep hole aluminum hardware hole, what can also be proposed through the invention is vacuum oxidizing
Slot ensures pre-treatment reagent (including degreasing agent, alkaline etching agent, etching agent, dedusting tank liquor etc.) and multi-blind hole, deep hole aluminum hardware hole
Inner wall thoroughly contacts the thorough cleaning for reaching hole inner wall.Furthermore by exchanging cathode and anode, multi-blind hole, deep hole can also be realized
The hole wall electroplating technology of the materials such as stainless steel, aluminium alloy.
When it is implemented,
First embodiment:
Multi-blind hole, deep hole aluminum hardware after pre-treatment is fixed on hanger, hanger is fixed on tilting rotary rack shaft
Afterwards, oxidation tank cover plate is covered, vacuum pump is opened and oxidation trough is vacuumized, reach after vacuum degree and be enough in evacuation aperture to close after bubble
Vacuum pump carries out anode oxidation process after rotary rack shaft.
Second embodiment:
Multi-blind hole, deep hole aluminum hardware after pre-treatment is fixed on hanger, hanger is fixed on hanger shaft, covers sealing cover
Plate is evacuated to vacuum degree and is enough in evacuation aperture rotary rack shaft after bubble, and vacuum pump operating is kept to carry out anodic oxygen chemical industry
Skill.
3rd embodiment:
The aluminum hardware progress anodic oxidation of multi-blind hole, deep hole, aoxidizing gas in preceding hole cannot exclude completely, furthermore aoxidize
The bubble in gas and tank liquor generated in journey due to anodic oxidation reactions is possible to secondary attachment, high degree in hole
Influence hole wall and tank liquor full contact, to occur that anodic oxidation in hole is insufficient or even plating leakage phenomenon.Using the present invention
The vacuum anodic oxidation system shown in FIG. 1 proposed carries out anode oxidation process to multi-blind hole, deep hole aluminum hardware, and step is such as
Under:
Pre-treatment carried out to multi-blind hole, deep hole aluminum component, wherein degreasing, alkaline etching, neutralization, dedusting step, each step can be by
Device proposed by the present invention is sufficiently handled；
Aluminum hardware after pre-treatment is mounted on hanger, should be noted that the process of mounting need to be in conjunction with hanger axes of rotation skew angle, really
It protects aluminum hardware aperture and is in upward or after tilting rotary rack shaft as far as possible and may occur in which that state is hung upward
Dress, hanger bolt or hook are fixed in the hanger shaft of oxidative system；
It adjusts and tightens fixing screws after hanger axes of rotation skew angle (tilt angle is according to different apertures, small hole number and small
Pore size distribution needs different tilt angles)；
Opening vacuum pump vacuumizes oxidation trough inside after covering cover board, and final vacuum degree is depending on aluminum hardware aperture specification.
Open driving motor after aluminum hardware can as expected any axis rotation.Tilting shaft combines and specifically mounts method, can
Ensure that in technical process, aluminum hardware aperture always will appear the state of (c) (d) two kinds of open slots upward in Fig. 2, in engagement groove
Negative pressure of vacuum, removal of bubbles rate may be up to 100% in hole；
It requires to be powered to anode and cathode according to anode oxidation process, carries out anode oxidation process.
The anode oxidation process that the tilting hanger shaft oxidation trough of the vacuum proposed through the invention carries out, multi-blind hole, deep hole
Up to 100%, hole wall oxidation film uniformity also greatly improves plated film rate in aluminum hardware list processing hole.
Fourth embodiment:
Multi-blind hole, deep hole aluminum hardware in pretreatment process due to gas bubbles left in hole, handle tank liquor it is difficult to ensure that completely into
Aperture inner wall cannot be cleaned to thoroughly when entering in hole, therefore carrying out pre-treatment to the aluminum hardware of multi-blind hole, deep hole, by machine
For aluminum hardware after adding there are the impurity such as a large amount of cutting fluid residual, not can be carried out thorough pre-treatment will seriously affect surface
Treatment effect.The vacuum oxidizing slot designed through the invention will greatly avoid multi-blind hole, the cleaning of deep hole aluminum hardware from being not thorough
The problem of, specific step is as follows so that pretreatment part soaps process as an example:
Configured tank liquor of soaping is added in the oxidation trough body that the present invention designs, multi-blind hole, deep hole aluminum hardware are fixed on
On hanger, hanger is bolted in hanger shaft of the invention,
Fixing screws are tightened after adjusting the tilt angle of hanger shaft；
It covers tank cover plate, opens vacuum pump to vacuumizing in oxidation trough；
After vacuum degree reaches setting value (specific vacuum degree window diameter is empirically determined), the driving motor of hanger shaft is opened；
The degreasing time according to determined by the dispensing information of degreasing agent carries out degreasing to multi-blind hole, deep hole aluminum component and soaps technique；
Vacuum pump and motor are closed after completion of processing, are opened seal cover board and are taken out aluminum component progress next step pre-treating technology, processing
Mode is similar with above procedure.
Above-described embodiment is only intended to clearly illustrate description made by the present invention, and does not limit the embodiments,
To those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
Dynamic, there is no necessity and possibility to exhaust all the enbodiments, and the obvious variation or change thus amplified out
It is dynamic to be still in the protection scope of this invention.
Claims (5)
1. a kind of multi-blind hole, deep hole aluminum hardware anodic oxidation equipment, comprising: oxidation groove body (1), setting are in oxidation groove body (1)
Interior refrigeration system (11), setting oxidation groove body (1) side wall cathode plate (13), it is characterized by:
Seal cover board (2) are provided with above the oxidation groove body (1), are provided with sealing on the seal cover board (2)
It covers (8), open slot (5), support frame (6) is provided on the seal cover board (2) in the seal closure (8)；
Open slot (5) connection oxidation groove body (1) and seal closure (8) make to aoxidize groove body (1), seal cover board (2), sealing
It covers (8), form a confined space；
It is provided with vacuum meter (4) and vacuum line (3) in oxidation groove body (1) or seal cover board (2) or seal closure (8), it is described
Vacuum line (3) connect vacuum pump；
The support frame (6) includes the first support plate (21) and the second support plate (20)；First support plate (21) and
Second bearing hole (26) are each provided on the corresponding upper end medial surface of two support plates (20)；
Movable platform (19) are provided between first support plate (21) and the second support plate (20)；The movable platform
(19) upper face center of one end is provided with hanger shaft (7), and is symmetrically arranged with small axis (23), movable platform in two sides
(19) upper surface of the other end is provided with motor (10) and brush (9)；The upper end of the hanger shaft (7) by belt with
The lower end of motor (10) connection, hanger shaft (7) is entered in oxidation groove body (1) by open slot (5)；The movable platform
(19) be provided on the small axis (23) of two sides bearing respectively with the second axis in the first support plate (21) and the second support plate (20)
Bearing bore (26) cooperation, the movable platform (19) are supported by the bearing on small axis (23) along the first support plate (21) and second
Plate (20) rotation；Described brush (9) one end connects positive pole, and brush (9) other end is connect with hanger shaft (7)；
First support plate (21) and/or the second support plate (20) upper end are provided with the second threaded hole (25)；Described
Two threaded holes (25) are communicated perpendicular to second bearing hole (26) and with the second bearing hole (26)；Screw (14) passes through second
Threaded hole (25) locks the small axis (23) on movable platform (19), and the rotation of fixed movable platform (19) is adjusted by screw (14)
Gyration.
2. a kind of multi-blind hole according to claim 1, deep hole aluminum hardware anodic oxidation equipment, it is characterized in that: it is described
Hanger shaft (7) is disposed with speed probe (18), brush fixture installation place (17), driving belt slot from top to bottom
(16), bearing installation (15), the bottom of the hanger shaft (7) is provided with the first threaded hole (22), described first
Threaded hole (22) connects hanger；
The hanger shaft (7) installs bearing and institute perpendicular to movable platform (19), by the bearing installation (15)
The first axle bearing bore (24) for the movable platform (19) stated matches；
The hanger shaft (7) is connect by driving belt slot (16) insertion driving belt (12) and with motor (10).
3. a kind of multi-blind hole according to claim 1, deep hole aluminum hardware anodic oxidation equipment, it is characterized in that: it is described
Open slot (5) is the long hole of annular；
The two sides of the open slot (5) are symmetrically arranged with first support plate (21) and the second support plate (20).
4. a kind of multi-blind hole according to claim 1, deep hole aluminum hardware anodic oxidation equipment, it is characterized in that: it is described
Vacuum line (3) is bellows.
5. a kind of multi-blind hole according to claim 1, deep hole aluminum hardware anodic oxidation equipment, it is characterized in that: it is described
Hanger shaft (7) material is Ta2 titanium.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331548.7A CN110029386B (en) | 2019-04-24 | 2019-04-24 | Anodic oxidation equipment for aluminum parts with multiple blind holes and deep holes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331548.7A CN110029386B (en) | 2019-04-24 | 2019-04-24 | Anodic oxidation equipment for aluminum parts with multiple blind holes and deep holes |
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| CN110029386A true CN110029386A (en) | 2019-07-19 |
| CN110029386B CN110029386B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910331548.7A Active CN110029386B (en) | 2019-04-24 | 2019-04-24 | Anodic oxidation equipment for aluminum parts with multiple blind holes and deep holes |
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Cited By (1)
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| CN113881994A (en) * | 2021-11-13 | 2022-01-04 | 中国航发沈阳黎明航空发动机有限责任公司 | Device for solving vortex mark of blue anodized film |
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| CN113881994A (en) * | 2021-11-13 | 2022-01-04 | 中国航发沈阳黎明航空发动机有限责任公司 | Device for solving vortex mark of blue anodized film |
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| CN110029386B (en) | 2024-07-02 |
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