CN204902905U - Your metal electrode - Google Patents
Your metal electrode Download PDFInfo
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- CN204902905U CN204902905U CN201520607907.4U CN201520607907U CN204902905U CN 204902905 U CN204902905 U CN 204902905U CN 201520607907 U CN201520607907 U CN 201520607907U CN 204902905 U CN204902905 U CN 204902905U
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Abstract
The utility model relates to a your metal electrode, including the electrode tip, the electrode tip that the electrode tip for your metal alloy was made, this electrode tip are equipped with the linkage segment of ranging back, are equipped with the external screw thread on this linkage segment, the screw hole threaded connection that electrode stem axle center that external screw thread and an anti -corrosion stainless steel or the alloy material of electrode tip on through the linkage segment made set up, joint gap between electrode tip and the electrode stem passes through welded fastening, forms holistic your metal electrode. The utility model has the advantages of simple structure, low in manufacturing cost, long service life satisfy the performance requirement of electrode reliability, corrosion resistance, anti ablation nature and wearability.
Description
Technical field
The utility model relates to electrode field, is specifically related to a kind of noble metal electrode.
Background technology
The electrode of current use comprises electrode stem and electrode tip two parts.The normal operation in the presence of a harsh environment of electrode tip of electrode, as, the electrode of electromagnetic flowmeter, its electrode tip is arranged in electromagnetic flowmeter sealed tube, directly contact with the corrosive fluid in pipe, transmit electric signal by Faraday's electromagnetic induction law, reach the object measuring fluid flow, the operation in a corrosive environment of this kind of electrode tip, has high requirement to the corrosion resistance of electrode tip; As, the electrode of gas turbine, engine, its electrode tip is arranged on gas turbine, engine combustion is indoor, directly contacts with the high temperature in firing chamber, gases at high pressure, has high requirement etc. to the Burning corrosion resistance of electrode tip, wearing quality.
Precious metal alloys because of corrosion resistance, Burning corrosion resistance, anti-wear performance excellent, therefore be widely used as electrode material, especially require high as industries such as chemical industry, metallurgy, wastewater treatments in corrosion resisting property, precious metal alloys are the preferred material as electrode.
Usually adopt integral molding techniques processing precious metal alloys for making electrode at present, integrated noble metal electrode has excellent corrosion resistance, Burning corrosion resistance, wearing quality etc., but the material cost of electrode is higher because of the price of precious metal alloys.Also having a small amount of electrode to adopt stainless steel material one-body molded is at present electrode stem and electrode tip, then at the coated one deck precious metal alloys of the outside surface of electrode tip, the electrode tip of this electrode structure has good corrosion resistance, the material cost of electrode can be reduced simultaneously, but, coated precious metal alloys are difficult to ensure sealed precision, fluid and material are formed and corrode, cause the serviceable life of this kind of electrode short, reliability is low, especially for baroque electrode, combine not tight between clad and electrode tip, also can have a strong impact on electrode performance.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of noble metal electrode, and its structure is simple, low cost of manufacture, long service life, meets the performance requirement of electrode reliability, corrosion resistance, Burning corrosion resistance and wearing quality.
The technical solution of the utility model is: a kind of noble metal electrode, comprise electrode tip, described electrode tip is the electrode tip that precious metal alloys are made, this electrode tip is provided with the linkage section extended back, this linkage section is provided with external thread, the threaded hole that the electrode stem axle center that described electrode tip is made by the external thread on linkage section and a corrosion resisting stainless steel or alloy material is arranged is threaded, and the joint gap between described electrode tip and electrode stem, by being welded and fixed, forms holistic noble metal electrode.
Described electrode stem is corrosion resisting stainless steel or alloy material is one-body molded makes, and to be that precious metal alloys are one-body molded make described electrode tip.
Threaded hole on described electrode stem is blind hole.
Joint gap between described electrode tip and electrode stem is fixed by laser bonding or accurate argon arc welding.
Adopt technique scheme: a kind of noble metal electrode, comprise electrode tip, described electrode tip is the electrode tip that precious metal alloys are made, long-term and the fluid contact of electrode tip due to electrode, the electrode tip adopting precious metal alloys to make has the performances such as high corrosion resistance, Burning corrosion resistance, wearing quality, can ensure that electrode has longer serviceable life and good stability.The linkage section of this electrode tip is provided with external thread, described electrode tip is threaded by the threaded hole in the electrode stem axle center that the external thread on linkage section and a corrosion resisting stainless steel or alloy material are made, electrode stem adopts corrosion-resistant stainless steel or alloy material to make, can ensure that electrode stem has good structural strength, electrode tip is formed and supports, material cost can be saved greatly simultaneously, reduce the cost manufacturing noble metal electrode; The linkage section threaded engagement of electrode tip is in the threaded hole in electrode stem axle center, very convenient when combined electrical cartridge and electrode stem, simultaneously can quick centring electrode tip and electrode stem, makes electrode tip, the axial line of electrode stem is located on the same line, ensure electrode performance.Joint gap between described electrode tip and electrode stem is by being welded and fixed, form overall noble metal electrode, joint gap between electrode tip and electrode stem is by being welded and fixed, form sealing, the threaded hole that can effectively prevent corrosive fluid from entering electrode stem by joint gap forms corrosion, enhance the overall construction intensity of noble metal electrode simultaneously, improve the global reliability of electrode.
Threaded hole on described electrode stem is blind hole, when the linkage section of electrode tip is threaded connection in the threaded hole at electrode stem, joint gap is by after being welded and fixed, the linkage section of electrode tip is completely sealed, electrode tip linkage section and electrode stem is made to be connected tight zero-clearance all the time, form a complete entirety, ensure that electrode performance is stablized.
Be further described below in conjunction with the drawings and specific embodiments.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cut-open view of Fig. 1;
Fig. 3 is the cut-open view of the utility model electrode stem;
Fig. 4 is the cut-open view of the utility model electrode tip.
In accompanying drawing, 1 is electrode tip, and 2 is linkage section, and 3 is electrode stem, and 4 is threaded hole.
Embodiment
See Fig. 1 to Fig. 4, it is a kind of specific embodiment of the present utility model.Noble metal electrode comprises electrode tip 1, the electrode tip that described electrode tip 1 is made for precious metal alloys, this electrode tip 1 is provided with the linkage section 2 extended back, linkage section 2 is cylindrical, the periphery of cylindrical connecting section 2 is provided with external thread, in the present embodiment, described electrode tip employing PtIr20 alloy is one-body molded to be made, the electrode tip of electrode is made to have excellent corrosion resistance, anti-yaw damper type and wearing quality, extend the serviceable life of electrode, ensure the serviceability of electrode tip, electrode tip also can adopt the precious metal alloys such as platinumiridio, platinum-rhodium alloy, iridium rhodium alloy to make.The threaded hole 4 that electrode stem 3 axle center that described electrode tip 1 is made by the external thread on linkage section 2 and a corrosion resisting stainless steel or alloy material is arranged is threaded, in the present embodiment, described electrode stem employing 316L stainless steel is one-body molded to be made, 316L stainless steel low price, structural strength is large, excellent combination property, greatly reduce the processing cost of electrode simultaneously, electrode stem also can adopt corrosion resistant alloy material as Inconel series alloy or Hastelloy, the threaded hole being arranged on electrode stem axle center is blind hole, thread segment length on the screw thread Length Ratio electrode tip of blind hole is long.Joint gap between described electrode tip 1 and electrode stem 3, by being welded and fixed, forms holistic noble metal electrode, and for ensureing welding precision, it is fixing that joint gap adopts laser bonding or argon arc welding to form sealing.
Process of the present utility model is:
1. make electrode tip with PtIr20 alloy is one-body molded, by machining mode, utilize screw die machining screw on the linkage section of electrode tip, then precision truing machining screw pitch, form thread segment, remove burr, finally carry out Ultrasonic Cleaning, remove and cut slag; Electrode stem is made with 316L stainless steel is one-body molded, by machining mode, first processing blind hole on the axle center of electrode stem, in blind hole, pass through screw tap machining screw, then precision truing machining screw pitch again, form threaded hole, remove burr, finally carry out Ultrasonic Cleaning, remove and cut slag;
2., in the threaded hole linkage section of electrode tip arranged in electrode stem axle center by line screw connection, form a fixed connection;
3. in the joint gap place laser bonding of electrode tip and electrode stem, make point molten metal fully infiltrate screw connection point, form sealing fixing;
4. the face of weld polishing process of pair electrode tip and electrode stem, obtains an overall noble metal electrode;
5. electrode stress relief annealing process: under vacuum or protective atmosphere, is incubated 15 ~ 30min by obtained noble metal electrode at 400 DEG C ~ 500 DEG C, rear cooling naturally;
6. electrode cleans: finished product noble metal electrode adopts Ultrasonic Cleaning, removes greasy dirt and the impurity on finished electrode surface with alcohol and acetone.
Noble metal electrode described in the utility model, its structure is simple, low cost of manufacture, long service life, meet the performance requirement of electrode reliability, corrosion resistance, Burning corrosion resistance, wearing quality, can normal operation in the presence of a harsh environment for a long time, being applicable to need with the field of electrode.
Claims (4)
1. a noble metal electrode, comprise electrode tip (1), it is characterized in that: the electrode tip that described electrode tip (1) is made for precious metal alloys, this electrode tip (1) is provided with the linkage section (2) extended back, this linkage section is provided with external thread, the threaded hole (4) that electrode stem (3) axle center that described electrode tip (1) is made with a corrosion resisting stainless steel or alloy material by the external thread on linkage section (2) is arranged is threaded, joint gap between described electrode tip (1) and electrode stem (3), by being welded and fixed, forms holistic noble metal electrode.
2. noble metal electrode according to claim 1, is characterized in that: described electrode stem (3) is for corrosion resisting stainless steel or alloy material is one-body molded makes, and described electrode tip (1) is made for precious metal alloys are one-body molded.
3. noble metal electrode according to claim 1, is characterized in that: the threaded hole (4) on described electrode stem (3) is blind hole.
4. noble metal electrode according to claim 1, is characterized in that: the joint gap between described electrode tip (1) and electrode stem (3) is fixed by laser bonding or accurate argon arc welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607907.4U CN204902905U (en) | 2015-08-13 | 2015-08-13 | Your metal electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607907.4U CN204902905U (en) | 2015-08-13 | 2015-08-13 | Your metal electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204902905U true CN204902905U (en) | 2015-12-23 |
Family
ID=54925073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520607907.4U Active CN204902905U (en) | 2015-08-13 | 2015-08-13 | Your metal electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204902905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116174546A (en) * | 2023-04-28 | 2023-05-30 | 佛山高谱机械科技有限公司 | Pipe thermal bending method based on composite action of electric conduction and self lubrication |
-
2015
- 2015-08-13 CN CN201520607907.4U patent/CN204902905U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116174546A (en) * | 2023-04-28 | 2023-05-30 | 佛山高谱机械科技有限公司 | Pipe thermal bending method based on composite action of electric conduction and self lubrication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |