CN2838199Y - Cathode power transmission device - Google Patents
Cathode power transmission device Download PDFInfo
- Publication number
- CN2838199Y CN2838199Y CNU2005200940263U CN200520094026U CN2838199Y CN 2838199 Y CN2838199 Y CN 2838199Y CN U2005200940263 U CNU2005200940263 U CN U2005200940263U CN 200520094026 U CN200520094026 U CN 200520094026U CN 2838199 Y CN2838199 Y CN 2838199Y
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- CN
- China
- Prior art keywords
- cathode
- sleeve
- transmission device
- disc
- conducting rod
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to a cathode power transmission device used in ion-nitriding furnaces, which is composed of locking nuts, a shielding disc, a groove insulated anti-sputtering sleeve, a sealing insulating sleeve, a cathode sleeve, a sealing ring, a pressing flange, screws, a pressing insulating sleeve, nuts, a cushion ring, a conductive rod, etc., wherein the upper part of the conductive rod is provided with the locking nuts, and an anti-sputtering protective sleeve is added outside the groove insulated anti-sputtering sleeve. A slit is arranged between the shielding disc and the protective sleeve, the slit width is 0.8 to 1 mm, a connecting conductive plate is fixed between the locking nuts and is connected with a cathode disc, and the cathode sleeve and the conductive rod are provided with dovetail grooves in which O-shaped rings can be arranged. The utility model has the advantages of simple structure, extinguished glow, good anti-sputtering and good sealing.
Description
Technical field
The utility model belongs to the Equipment for Heating Processing technical field, relates to ion-nitriding furnace, particularly a kind of cathode electricity transmission device.
Background technology
Vacuum ionic nitrogenize and ion carbonitriding are widely used, and range of application is still in continuous expansion.Because its economy and pollution-free, and this technology do not need some expensive safety measures again, so the application of glow discharge nitriding technology in heat treatment more and more widely.The equipment of implementing this technology is ion-nitriding furnace.In ion-nitriding furnace, cathode electricity transmission device is its key, and it plays the effect that high voltage direct current is flowed to the negative electrode part by the furnace wall of anode.
In order to guarantee operate as normal, the cathode electricity transmission device of ion-nitriding furnace should satisfy: transmit electricity, insulate, prevent arc discharge, sealing and because of the weight of workpiece it is not damaged.
Exist some main weak points in existing ion-nitriding furnace cathode electricity transmission device: cathode electricity transmission device directly links to each other (being connected firmly) with cathode disc, make the workpiece weight that is positioned on the cathode disc cause the hermetic unit of cathode electricity transmission device to sustain damage, the bad phenomenon of sealing often occurs; Extinguish aura and finish by shielding cap, add that shielding cap is a metal material, the surface is being covered with aura in nitridation process, increases the heat of conducting rod, and part energy is consumed in vain; When finishing jointly after the insulating case surface of extinguishing aura is covered with by the sputter thing with shielding cap, just produce strong arc discharge, cause and can't finish nitriding work, do not block the sputter structure, need with the sand paper sputter thing of often polishing.
Summary of the invention
In order to solve the deficiency on the prior art, the utility model proposes a kind of simple in structure, having the formation of cathode electricity transmission device and cathode disc is flexible coupling, hermetic unit is not affected because of workpiece weight, apparatus surface is aura not, and the sputter thing can not be covered with the novel cathode power transmitting device on nonmetal insulating part surface etc.
The technical solution of the utility model is; a kind of cathode electricity transmission device; by locking nut 2; blanking disc 3; channel insulation splash-proof casing 5; sealed insulation cover 6; cathode sheath 7; sealing ring 8; supported flange 9; screw 10; compress insulating case 11; nut 12; compositions such as packing ring 13 and conducting rod 15; the top of conducting rod 14 is provided with locking nut 2; it is characterized in that: the protective sleeve 4 that is added with anti-sputter in the outside of channel insulation splash-proof casing 5; between blanking disc 3 and protective sleeve 4, be provided with the slit; gap width is 0.8-1mm; connecting conductive plate 1 is fixed between the locking nut 2; connect conductive plate 1 and be connected with cathode disc, cathode sheath 7 and conducting rod 15 are provided with the dovetail groove that can adorn " O " RunddichtringO.
Characteristics according to glow discharge; the cathode fall district is stopped up less than a specified distance or by a certain object; aura is promptly from the principle of horizontal blanking; make a kind of " air gap protection " structure; promptly produce the blanking disc 3 of aura and do not produce that two joints make greatly 0.8-1mm of a gap width between the protective sleeve 4 of aura; aura just can not enter this section slit and extinguish, and makes the cathode electricity transmission device surface not produce aura.Cathode disc is flexible coupling by being connected conductive plate 1 formation with cathode electricity transmission device, and the gravity of workpiece is not acted on the cathode electricity transmission device, has guaranteed that hermetic unit is not damaged.Channel insulation splash-proof casing 5 goes into wherein and not to expose with conducting rod 15 cover, on have three road grooves can prevent that the sputter thing is covered with the surface.Protective sleeve 4 forms the protection slit with channel insulation splash-proof casing 5, can block the sputter thing and be splashed to channel insulation splash-proof casing 5 surfaces, plays anti-sputter effect once more, makes conducting rod 15 and channel insulation splash-proof casing 5 remain insulation.Supported flange 9 under the 10 fastening effects of four uniform screws, make compress insulating case 11 hold out against conducting rod 15, by sealing ring 8 and 6 sealings of sealed insulation cover, top tight sealing insulating case 6 seals with cathode sheath 7 by sealing ring 8 again simultaneously, has so just finished the sealing problem of cathode electricity transmission device.Cathode wire is fastened on the conducting rod 15 through two nuts 12, makes high voltage direct current flow to the interior cathode disc of stove.Protective sleeve 4, channel insulation splash-proof casing 5, sealed insulation cover 6 all adopt the casting mica material; Compress insulating case 11 and adopt polytetrafluoroethylmaterial material.
The beneficial effects of the utility model are advantage simple in structure, as to extinguish aura, anti-sputter and good seal
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples
Fig. 1 is that structure of the present utility model is faced generalized section.
Among the figure, 1, connect conductive plate, 2, locking nut; 3, blanking disc, 4, protective sleeve, 5, the channel insulation splash-proof casing; 6, sealed insulation cover, 7, cathode sheath, 8, sealing ring; 9, supported flange; 10, screw, 11, compress insulating case, 12, nut; 13, be packing ring, 14, be anode chassis, 15, for conducting rod.
Embodiment
Cathode electricity transmission device is by connecting conductive plate 1, locking nut 2, blanking disc 3, protective sleeve 4, channel insulation splash-proof casing 5, sealed insulation cover 6, cathode sheath 7, sealing ring 8, supported flange 9, screw 10, compressing insulating case 11, nut 12, packing ring 13 and conducting rod 15 etc. and form.Cathode electricity transmission device is connected with cathode disc by connecting conductive plate 1, connects conductive plate 1 and is anchored on the conducting rod 15 by two locking nuts 2, and blanking disc 3 extinguishes aura with the slit that protective sleeve 4 forms during work, and gap width is 8.5mm greatly.Channel insulation splash-proof casing 5 and play the protective sleeve 4 of safety effect again makes conducting rod 14 keep insulation with body of heater all the time.Sealed insulation cover 6, conducting rod 14, cathode sheath 7, supported flange 9, compress insulating case 11, screw 10 interacts, and finishes sealing by sealing ring 8.Cathode wire links to each other with conducting rod 15 by two nuts 12.
Claims (2)
1; a kind of cathode electricity transmission device; by locking nut (2); blanking disc (3); channel insulation splash-proof casing (5); sealed insulation cover (6); cathode sheath (7); sealing ring (8); supported flange (9); screw (10); compress insulating case (11); nut (12); packing ring (13) and conducting rod compositions such as (15); the top of conducting rod (14) is provided with locking nut (2); it is characterized in that; be added with the protective sleeve (4) of anti-sputter in the outside of channel insulation splash-proof casing (5); between blanking disc (3) and protective sleeve (4), be provided with the slit; gap width is 0.8-1mm; connect conductive plate (1) and be fixed between the locking nut (2), connect conductive plate (1) and be connected with cathode disc.
2, a kind of cathode electricity transmission device according to claim 1 is characterized in that, described cathode sheath (7) and conducting rod (15) are provided with the dovetail groove that can adorn " O " RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200940263U CN2838199Y (en) | 2005-11-29 | 2005-11-29 | Cathode power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200940263U CN2838199Y (en) | 2005-11-29 | 2005-11-29 | Cathode power transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2838199Y true CN2838199Y (en) | 2006-11-15 |
Family
ID=37392690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200940263U Expired - Fee Related CN2838199Y (en) | 2005-11-29 | 2005-11-29 | Cathode power transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2838199Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882724A (en) * | 2010-03-23 | 2010-11-10 | 东莞宏威数码机械有限公司 | Sealed power transmission device |
| CN102589277A (en) * | 2012-03-20 | 2012-07-18 | 太仓市华瑞真空炉业有限公司 | Energizing flange used for vacuum furnace |
-
2005
- 2005-11-29 CN CNU2005200940263U patent/CN2838199Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882724A (en) * | 2010-03-23 | 2010-11-10 | 东莞宏威数码机械有限公司 | Sealed power transmission device |
| CN101882724B (en) * | 2010-03-23 | 2012-07-04 | 东莞宏威数码机械有限公司 | Sealed power transmission device |
| CN102589277A (en) * | 2012-03-20 | 2012-07-18 | 太仓市华瑞真空炉业有限公司 | Energizing flange used for vacuum furnace |
| CN102589277B (en) * | 2012-03-20 | 2014-12-03 | 太仓市华瑞真空炉业有限公司 | Energizing flange used for vacuum furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |