CN111893536A - Tool clamp for micro-arc oxidation of inner cavity of double-cylinder actuator cylinder - Google Patents
Tool clamp for micro-arc oxidation of inner cavity of double-cylinder actuator cylinder Download PDFInfo
- Publication number
- CN111893536A CN111893536A CN201911342424.5A CN201911342424A CN111893536A CN 111893536 A CN111893536 A CN 111893536A CN 201911342424 A CN201911342424 A CN 201911342424A CN 111893536 A CN111893536 A CN 111893536A
- Authority
- CN
- China
- Prior art keywords
- pair
- arc oxidation
- micro
- inner cavity
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
-
- 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
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
- C25D17/12—Shape or form
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
The invention discloses a tool clamp for micro-arc oxidation of an inner cavity of a double-cylinder actuator cylinder, relates to the technical field of metal material surface modification, and solves the problems that a micro-arc oxidation film with uniform thickness cannot be obtained in the inner cavity of a cylinder body and even a film cannot be formed in partial area due to electric field shielding effect and uneven distribution of an electric field on an inner wall in the prior art. Technical characteristics include the power negative pole, the last surface mounting of power negative pole has the silica gel gasket, the last surface mounting of silica gel gasket has a pair of cathode bar, the lower surface of power negative pole just is located a pair of the below of cathode bar is installed a pair of bottom water inlet, the upper surface suit of power negative pole has the positive pole part, the last surface mounting of positive pole part has the top cap, the last surface mounting of top cap has the power anodal, a pair of top delivery port is installed at the upper surface both ends of top cap.
Description
Technical Field
The invention relates to the technical field of metal material surface modification, in particular to a tool clamp for micro-arc oxidation of an inner cavity of a double-cylinder actuator cylinder.
Background
The micro-arc oxidation process is also called micro-plasma oxidation or anode spark deposition, and is a process for generating micro-area arc discharge on the surfaces of nonferrous metals such as Al, Ti, Mg and the like and alloys thereof by utilizing the chemical and electrochemical principles of plasma, and directly growing a ceramic layer on the surface of a matrix in situ by utilizing the instantaneous high-temperature sintering action of a micro-arc spark area, thereby improving the surface hardness, the wear resistance, the corrosion resistance and the like of the alloys and having better technical application background.
At present, most of micro-arc oxidation equipment and process technology researches are mainly directed at small-area workpieces, micro-arc oxidation researches on large-scale revolving bodies and even other special-shaped workpieces are less, and micro-arc oxidation researches on inner cavities of actuating cylinder bodies are less. In the current research and design, the inner surface and the outer surface of the cylinder are simultaneously filmed, and the micro-arc oxidation film with uniform thickness can not be obtained in the inner cavity of the cylinder due to the electric field shielding effect and the uneven distribution of the electric field on the inner wall, even partial area can not be filmed. Therefore, a tool clamp for micro-arc oxidation of the inner cavity of the double-cylinder actuator cylinder body needs to be designed, and the uniformity and compactness of film forming of the inner cavity are improved.
Disclosure of Invention
The invention provides a tool clamp for micro-arc oxidation of an inner cavity of a double-cylinder actuator cylinder, aiming at solving the technical problems that a micro-arc oxidation film with uniform thickness cannot be obtained in the inner cavity of the cylinder body and even a partial area does not form the film due to the electric field shielding effect and the uneven distribution of an electric field on the inner wall in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a frock clamp for binocular actuator cylinder inner chamber micro arc oxidation, includes the power negative pole, the last surface mounting of power negative pole has the silica gel gasket, the last surface mounting of silica gel gasket has a pair of cathode bar, the lower surface of power negative pole just is located a pair of the below of cathode bar is installed a pair of bottom water inlet, the upper surface suit of power negative pole has the positive pole part, the last surface mounting of positive pole part has the top cap, the last surface mounting of top cap has the power positive pole, a pair of top delivery port is installed at the upper surface both ends of top cap.
Preferably, a pair of supports is installed at power negative pole upper surface both ends, and a pair of hasp is all installed at the both ends of support upper surface, and a pair of hasp and top cap fastening.
Preferably, the tool clamp further comprises a cooling mechanism;
the cooling mechanism comprises a stirring system, a cooling system and a liquid storage tank;
the stirring system is arranged on the side surface of the cooling system, and the liquid storage tank is connected with the cooling system through a connecting pipe.
Preferably, the anode part is an actuating cylinder, and a pair of through holes are arranged in the anode part.
Preferably, the upper surface of the anode part and the upper part of the pair of through holes are provided with outlets.
The invention has the following beneficial effects:
1. by adopting the circulating tool clamp for the inner cavity of the actuator cylinder body, the power lines of the inner cavity are uniformly distributed, and the micro-arc oxidation film layer with uniform thickness meeting the design requirement can be obtained.
2. By adopting the circulating tool clamp for the inner cavity of the cylinder body of the actuator cylinder, the protection of the outer side of the cylinder body can be avoided, the material consumption is reduced, and the process steps are simplified;
3. the tool clamp is simple in structure, easy to implement and wide in application range, and can be suitable for revolving body workpieces with various apertures by changing the size of the cathode bar.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of a tool clamp for micro-arc oxidation of an inner cavity of a double-cylinder actuator cylinder according to the present invention;
fig. 2 is a schematic structural diagram of an anode part according to the present invention.
The reference numerals in the figures denote:
1. a stirring system; 2. a cooling system; 3. a liquid storage tank; 4. a water inlet at the bottom end; 5. a top water outlet; 6. a cathode bar; 7. an anode part; 8. a support; 9. a top cover; 10. locking; 11. a power supply positive electrode; 12. a power supply cathode; 13. a silica gel gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a tooling fixture for micro-arc oxidation of an inner cavity of a double-cylinder actuator cylinder comprises a power supply cathode 12, a silica gel gasket 13 is mounted on the upper surface of the power supply cathode 12, a pair of cathode rods 6 is mounted on the upper surface of the silica gel gasket 13, a pair of bottom water inlets 4 is mounted on the lower surface of the power supply cathode 12 and below the pair of cathode rods 6, an anode part 7 is sleeved on the upper surface of the power supply cathode 12, a top cover 9 is mounted on the upper surface of the anode part 7, a power supply anode 11 is mounted on the upper surface of the top cover 9, and a pair of top water outlets 5 is mounted at two ends of the upper surface of the top cover 9.
A pair of supports 8 are installed at two ends of the upper surface of the power supply cathode 12, a pair of lock catches 10 are installed at two ends of the upper surface of each support 8, and the pair of lock catches 10 is fastened with the top cover 9.
The tool clamp further comprises a cooling mechanism;
the cooling mechanism comprises a stirring system 1, a cooling system 2 and a liquid storage tank 3;
the stirring system 1 is arranged on the side surface of the cooling system 2, and the liquid storage tank 3 is connected with the cooling system 2 through a connecting pipe.
The anode part 7 is an actuating cylinder, and a pair of through holes are arranged in the anode part 7.
And an outlet is formed in the upper surface of the anode part 7 and above the pair of through holes.
The working principle is as follows:
the inner cavity of the anode part 7 is subjected to micro-arc oxidation to prepare a uniform and compact film layer, after the anode part 7 is installed, the anode part 7 is fixed by a lock catch 10 and a top cover 9 and is connected with a power supply anode 11 and a power supply cathode 12, in the micro-arc oxidation process, electrolyte in a liquid storage tank 3 enters a cooling system 2 through a guide pipe under the driving of a circulating device, so that the temperature of the electrolyte is kept within a certain range, then the electrolyte flows into a water inlet 4 at the bottom end, enters the inner cavity of the cylinder through a small hole on a cathode bar 6 and is subjected to micro-arc oxidation, and finally the electrolyte returns to the liquid storage tank through a water outlet 5 at the top of the cylinder, so that the micro-arc oxidation of the inner cavity of the cylinder is completed in a circulating and reciprocating manner, the design of;
the lower surface of the power supply cathode is provided with a stainless steel plate, a bracket, a lock catch and a bottom water inlet, and the whole structure can be directly welded; the top cover and the top water outlet are of an integral structure;
when the tool clamp is designed, the hollow cylindrical cathode bar with the cathode-anode area ratio of 1/2-1/5 is designed according to the area of the inner cavity of the actuating cylinder body, so that the electric field lines of the inner cavity are uniformly distributed, and meanwhile, the bar is provided with small holes, so that electrolyte flows out of the cathode bar to contact the inner cavity of the cylinder body for micro-arc oxidation, and a micro-arc oxidation film layer is uniform and compact.
Silica gel gasket: the cathode bar is directly connected with the bottom cathode plate, so that a power supply is prevented from being burnt out by short circuit caused by contact of the anode and the cathode after the barrel is installed, and a silica gel gasket is added at the contact position of the barrel and the bottom cathode plate.
Hasp and top cap: in order to ensure that the electrolyte does not leak in the micro-arc oxidation process, the lock catch acts on the top cover, the sealing performance of the cylinder body and the bottom cathode plate is ensured, and the quality of the micro-arc oxidation film layer is improved.
The working principle of the device is as follows by combining an alternating current pulse power supply, a circulating cooling system and a stirring system which are required in the micro-arc oxidation process: under the drive of the circulating device, the electrolyte in the liquid storage tank enters the cooling system through the guide pipe at the bottom of the liquid storage tank, so that the temperature of the electrolyte is kept within a certain range, then the electrolyte flows into the water inlet at the bottom end, enters the inner cavity of the cylinder from the small hole of the cathode bar, is subjected to micro-arc oxidation, and then returns to the liquid storage tank through the water outlet at the top of the cylinder, and the micro-arc oxidation on the surface of the inner cavity of the cylinder is.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (5)
1. The utility model provides a frock clamp for binocular actuator cylinder inner chamber micro arc oxidation, its characterized in that, includes power negative pole (12), the last surface mounting of power negative pole (12) has silica gel gasket (13), the last surface mounting of silica gel gasket (13) has a pair of cathode bar (6), the lower surface of power negative pole (12) just is located a pair of bottom water inlet (4) are installed to the below of cathode bar (6), the upper surface cover of power negative pole (12) is equipped with positive pole part (7), the last surface mounting of positive pole part (7) has top cap (9), the last surface mounting of top cap (9) has power positive pole (11), a pair of top delivery port (5) are installed at the upper surface both ends of top cap (9).
2. The tool clamp for double-cylinder actuator cylinder inner cavity micro-arc oxidation is characterized in that a pair of brackets (8) is mounted at two ends of the upper surface of the power supply cathode (12), lock catches (10) are mounted at two ends of the upper surface of each bracket (8), and the pair of lock catches (10) is fastened with the top cover (9).
3. The tool clamp for double-cylinder actuator cylinder inner cavity micro-arc oxidation according to claim 1, characterized by further comprising a cooling mechanism;
the cooling mechanism comprises a stirring system (1), a cooling system (2) and a liquid storage tank (3);
the stirring system (1) is arranged on the side surface of the cooling system (2), and the liquid storage tank (3) is connected with the cooling system (2) through a connecting pipe.
4. The tool clamp for double-cylinder actuator cylinder inner cavity micro-arc oxidation is characterized in that the anode part (7) is an actuator cylinder, and a pair of through holes are formed in the anode part (7).
5. The tool clamp for double-cylinder actuator cylinder inner cavity micro-arc oxidation is characterized in that an outlet is formed in the upper surface of the anode part (7) and above the pair of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911342424.5A CN111893536A (en) | 2019-12-23 | 2019-12-23 | Tool clamp for micro-arc oxidation of inner cavity of double-cylinder actuator cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911342424.5A CN111893536A (en) | 2019-12-23 | 2019-12-23 | Tool clamp for micro-arc oxidation of inner cavity of double-cylinder actuator cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111893536A true CN111893536A (en) | 2020-11-06 |
Family
ID=73169714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911342424.5A Pending CN111893536A (en) | 2019-12-23 | 2019-12-23 | Tool clamp for micro-arc oxidation of inner cavity of double-cylinder actuator cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111893536A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115961323A (en) * | 2022-12-05 | 2023-04-14 | 中国航发长春控制科技有限公司 | Device and process for strengthening surface of TC6 titanium alloy inner cavity with double-cylinder structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554806A (en) * | 2003-12-23 | 2004-12-15 | 长安大学 | Micro arc oxidation treating process for aluminium alloy cylinder inner surface |
| CN1706990A (en) * | 2005-05-20 | 2005-12-14 | 中国科学院物理研究所 | Pipe surface ceramizing treatment process |
| CN2755106Y (en) * | 2004-12-06 | 2006-02-01 | 西安理工大学 | Alumina-magnesia alloy pipe and abnormal member micro-arc oxidizing treater |
| CN203474935U (en) * | 2013-09-24 | 2014-03-12 | 宁波金恒机械制造有限公司 | Metal product inner cavity surface treatment device |
| CN204097585U (en) * | 2014-11-10 | 2015-01-14 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of supplementary unit for cylindrical shell deep hole differential arc oxidation |
| CN204251739U (en) * | 2014-12-05 | 2015-04-08 | 西安赛福斯材料防护有限责任公司 | A kind of titanium alloy Barrel of Hydraulic Cylinders inwall micro-arc oxidation device |
| CN104562117A (en) * | 2013-10-16 | 2015-04-29 | 瑞安市锐波汽缸制造有限公司 | Electroplating device for inner surface of cylinder |
| CN107236979A (en) * | 2016-03-29 | 2017-10-10 | 长城汽车股份有限公司 | Multicylinder engine cylinder holes ceramic fixture and device and ceramming processes |
| CN206941015U (en) * | 2017-06-06 | 2018-01-30 | 中联西北工程设计研究院有限公司 | A kind of electroplating clamp for cylindrical workpiece inner chamber |
-
2019
- 2019-12-23 CN CN201911342424.5A patent/CN111893536A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554806A (en) * | 2003-12-23 | 2004-12-15 | 长安大学 | Micro arc oxidation treating process for aluminium alloy cylinder inner surface |
| CN2755106Y (en) * | 2004-12-06 | 2006-02-01 | 西安理工大学 | Alumina-magnesia alloy pipe and abnormal member micro-arc oxidizing treater |
| CN1706990A (en) * | 2005-05-20 | 2005-12-14 | 中国科学院物理研究所 | Pipe surface ceramizing treatment process |
| CN203474935U (en) * | 2013-09-24 | 2014-03-12 | 宁波金恒机械制造有限公司 | Metal product inner cavity surface treatment device |
| CN104562117A (en) * | 2013-10-16 | 2015-04-29 | 瑞安市锐波汽缸制造有限公司 | Electroplating device for inner surface of cylinder |
| CN204097585U (en) * | 2014-11-10 | 2015-01-14 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of supplementary unit for cylindrical shell deep hole differential arc oxidation |
| CN204251739U (en) * | 2014-12-05 | 2015-04-08 | 西安赛福斯材料防护有限责任公司 | A kind of titanium alloy Barrel of Hydraulic Cylinders inwall micro-arc oxidation device |
| CN107236979A (en) * | 2016-03-29 | 2017-10-10 | 长城汽车股份有限公司 | Multicylinder engine cylinder holes ceramic fixture and device and ceramming processes |
| CN206941015U (en) * | 2017-06-06 | 2018-01-30 | 中联西北工程设计研究院有限公司 | A kind of electroplating clamp for cylindrical workpiece inner chamber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115961323A (en) * | 2022-12-05 | 2023-04-14 | 中国航发长春控制科技有限公司 | Device and process for strengthening surface of TC6 titanium alloy inner cavity with double-cylinder structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100588756C (en) | A kind of surface treating method for magnesium lithium alloy | |
| CN103469166B (en) | A kind of integrated form cathode arc target | |
| CN103184498B (en) | Roller brush type differential arc oxidation treatment method and device | |
| CN111893536A (en) | Tool clamp for micro-arc oxidation of inner cavity of double-cylinder actuator cylinder | |
| CN1769526B (en) | Method and device for internal wall ceramic treatment of steel and iron pipe casting | |
| KR101704615B1 (en) | Plating Equipment | |
| CN111519234B (en) | Clamp for chromium plating of aero-engine case and chromium plating method thereof | |
| CN209227085U (en) | A kind of alloy surface differential arc oxidization processing unit | |
| CN104928733B (en) | A kind of electroplate liquid formulation and electro-plating method that rhenium iridium alloy is plated on Copper substrate | |
| CN210711782U (en) | Oxidation tool of inside lining | |
| CN212669822U (en) | Light metal anticorrosive treatment and oxidation device | |
| CN104404591B (en) | Micro-arc oxidation device for improving film thickness evenness and energy utilizing rate based on separate type compensation cathode | |
| CN207047347U (en) | Electrochemical anodic oxidation experimental teaching unit | |
| CN112095131B (en) | Tool equipment and method for preparing closed cylindrical inner cavity ceramic layer | |
| RU2679224C1 (en) | Thermochemical resistant anode for electrolysis of aluminum | |
| CN204251739U (en) | A kind of titanium alloy Barrel of Hydraulic Cylinders inwall micro-arc oxidation device | |
| CN103397364A (en) | Aluminum-silicon alloy surface ceramic treatment method and apparatus | |
| CN203429271U (en) | Ceramic treatment device for surface of aluminum-silicon alloy | |
| CN115058756B (en) | Energy-saving double-flying-target oxidation tank suitable for 3C electronic product oxidation process | |
| CN216912450U (en) | Water-cooled base for argon arc welding machine | |
| CN217973447U (en) | Energy-saving double-flying-target oxidation tank suitable for micro-arc oxidation process | |
| CN201144272Y (en) | Lithium production device | |
| CN213327879U (en) | Micro-arc oxidation device for metal surface treatment | |
| CN116397292B (en) | Method and device for preparing coating on inner wall of metal pipeline | |
| CN114182330B (en) | Electroplating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201106 |