CN204906760U - A electrically conductive insulating mechanism for electrode stem pneumatic chuck - Google Patents
A electrically conductive insulating mechanism for electrode stem pneumatic chuck Download PDFInfo
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- CN204906760U CN204906760U CN201520605925.9U CN201520605925U CN204906760U CN 204906760 U CN204906760 U CN 204906760U CN 201520605925 U CN201520605925 U CN 201520605925U CN 204906760 U CN204906760 U CN 204906760U
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- ball
- insulation cushion
- cover
- insulating
- screw thread
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Abstract
The utility model discloses an electrically conductive insulating mechanism for electrode stem pneumatic chuck belongs to metallurgical equipment technical field. The utility model provides a mechanism includes presss from both sides the ball cover, the steel ball, and ball -collecting rack, copper flange, screw thread connect the pole, steel wire retainer ring and insulator arrangement, wherein, the insulator arrangement includes the first insulation pad, the first insulation cover, the second is insulating to be filled up, the insulating pad of third, the fourth is insulating to be filled up, and insulating cover of second and pentasyllabic quatrain are along the pad, the cover has the first insulation pad on pressing from both sides the ball cover, and first insulation overlaps and the second is insulating fills up, and the cover had the insulating pad of third on the screw thread connect the pole, and the fourth is insulating to be filled up, and insulating cover of second and pentasyllabic quatrain are along the pad. The utility model discloses the upper end and the electric pole fluctuation stand of pneumatic chuck connect the pole to be connected through the screw thread, and it is convenient, firm to connect, be convenient for loading and unloading and maintenance, the screw connects on the pole cover by the insulating insulator arrangement of forming with insulating cover that fills up, with the complete insulated isolation of electric pole fluctuation stand, has solved the screw effectively and has connect the leak electricity problem of the scratch start of pole.
Description
Technical field
The utility model relates to a kind of conduction insulating mechanism for electrode stem pneumatic chuck, particularly relates to a kind of conduction insulating mechanism of the electrode stem pneumatic chuck for vacuum arc furnace ignition, belongs to technical field of metallurgical equipment.
Background technology
Before vacuum arc furnace melting cast, need carry out clamping electrode, the pneumatic chuck clamping auxiliary electrode of electrode stem, auxiliary electrode is connected by welding manner with consumable electrode.The pneumatic chuck of smelting and pouring process entails electrode stem has good insulating properties, ensures normally carrying out of fusion process.The pneumatic chuck conduction insulating structure design of general vacuum Arc Heating pole bar is unreasonable, complex structure, poor insulativity, failure rate is high, maintenance difficult, and maintenance time is long, standby redundancy is many, and maintenance cost is high, cannot ensure normally carrying out of smelting and pouring process very well.
Utility model content
Technology of the present utility model is dealt with problems and is: overcome the deficiencies in the prior art, a kind of pneumatic chuck conduction insulation system of vacuum arc furnace ignition electrode stem is provided, good insulating, simple structure, is beneficial to spare unit and replacing, failure rate is low, easy to maintenance, maintenance time is short, and maintenance cost is low, and concrete taked technical scheme is as follows:
The purpose of this utility model is to provide a kind of conduction insulating mechanism for electrode stem pneumatic chuck, and this mechanism comprises folder ball cover 1, steel ball 2, ball-collecting rack 3, copper flange 4, screw thread extension bar 5, elastic spring 6 and seal 7, wherein, seal 7 comprises the first insulation cushion 71, first insulating case 72, second insulation cushion 73,3rd insulation cushion the 74, four insulation cushion 75, second insulating case 76 and the 5th insulation cushion 77; On folder ball cover 1, cover has the first insulation cushion 71, first insulating case 72 and the second insulation cushion 73, and on screw thread extension bar 5, cover has the 3rd insulation cushion the 74, four insulation cushion 75, second insulating case 76 and the 5th insulation cushion 77.
Preferably, described steel ball 2 is positioned at the centre of ball-collecting rack 3 sidewall, and folder ball cover 1 is enclosed within the side-wall outer side of ball-collecting rack 3.
Preferably, described ball-collecting rack 3 is cylindrical, and ball-collecting rack 3 inside is provided with cavity, and top is provided with the circular hole that diameter is less than ball-collecting rack 3 inwall circular diameter.
Preferably, described copper flange 4 is positioned at the lower end being connected to pneumatic chuck.
Preferably, described screw thread extension bar 5 is positioned at the upper end of pneumatic chuck, screw thread extension bar 5 is overall cylindrical, one end is conical tip, one end is that annulus is protruding, the annulus protruding end of screw thread extension bar 5 is positioned at the inside of ball-collecting rack 3, and conical tip end is positioned at the outside of ball-collecting rack 3, for being connected with rise fall of electrodes post 9.
Preferably, the diameter of the annulus protruding end of described screw thread extension bar 5 is greater than the Circularhole diameter that ball-collecting rack 3 upper surface is arranged.
Preferably, described folder ball cover 1 is annular, and under the first insulation cushion 71 is positioned at the lower surface of folder ball cover 1, the first insulating case 72 is enclosed within the outer wall of folder ball cover 1, and the second insulation cushion 73 is positioned on the upper surface of folder ball cover 1.
Preferably, under described 3rd insulation cushion 74 is positioned at the lower surface of screw thread extension bar 5, described 4th insulation cushion 75 is between the annulus projection and the lower surface at ball-collecting rack 3 top of screw thread extension bar 5, described second insulating case 76 is enclosed within the side wall perimeter of screw thread extension bar 5 through ball-collecting rack 3 top, and described 5th insulation cushion 77 is positioned at the upper surface at ball-collecting rack 3 top.
Preferably, under described elastic spring 6 is positioned at the lower surface of the 3rd insulation cushion 74.
It is as follows that the utility model obtains beneficial effect:
(1) upper end of the utility model pneumatic chuck is connected by screw thread extension bar with rise fall of electrodes column, easy to connect, firm, is convenient to handling and maintenance; Screw thread extension bar overlaps by the seal be made up of insulation cushion and insulating case, insulate completely with rise fall of electrodes column and isolate, efficiently solve the problem of the screw thread extension bar electric leakage starting the arc.
(2) steel ball in the pneumatic chuck of electrode stem is placed on ball-collecting rack central authorities, and to prevent steel ball from coming off unexpectedly, folder ball cover is equipped with in the side of ball-collecting rack, plays fixing effect to steel ball; Folder ball cover overlap by the seal be made up of insulation cushion and insulating case, to prevent electric current in the process of melting from, by rise fall of electrodes column, sparkling in clamping place, the phenomenons such as the down-flow pipe burning of cooling water is red and blow, the phenomenon such as cause insulation breakdown, leak, has a strong impact on production.
Accompanying drawing explanation
Fig. 1 is composition structural representation of the present utility model.
Fig. 2 is the composition structural representation of seal on folder ball cover.
Fig. 3 is the composition structural representation of seal on screw thread extension bar.
In figure: 1, folder ball cover; 2, steel ball; 3, ball-collecting rack; 4, copper flange; 5, screw thread extension bar; 6, elastic spring; 7, seal; 71, first insulation cushion; 72, first insulating case; 73, second insulation cushion; 74, three insulation cushion; 75, four insulation cushion; 76, second insulating case; 77, five insulation cushion; 8, rise fall of electrodes post.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further, but the utility model is not by the restriction of embodiment.
Material therefor, instruments and methods in following execution mode, without specified otherwise, be this area conventional material, instruments and methods, all obtain by commercial channel.
Below in conjunction with accompanying drawing, the utility model is elaborated.Wherein Fig. 1 is composition structural representation of the present utility model, and Fig. 2 is the composition structural representation of seal on folder ball cover, and Fig. 3 is the composition structural representation of seal on screw thread extension bar.Known from above-mentioned accompanying drawing, in this preferred version, this conduction insulating mechanism being used for electrode stem pneumatic chuck mainly comprises folder ball cover 1, steel ball 2, ball-collecting rack 3, copper flange 4, screw thread extension bar 5, elastic spring 6 and seal 7.Wherein, seal 7 comprises the first insulation cushion 71, first insulating case 72, second insulation cushion the 73, three insulation cushion the 74, four insulation cushion 75, second insulating case 76 and the 5th insulation cushion 77.The upper end starting chuck is connected with rise fall of electrodes post 8 by screw thread extension bar 5, and lower end is connected by copper flange 4.
Ball-collecting rack 3 is cylindrical, and ball-collecting rack 3 inside is provided with cavity, and top is provided with the circular hole that diameter is less than ball-collecting rack 3 inwall circular diameter, is convenient to screw thread extension bar 5 and extends there through.Steel ball 2 is provided with in the centre of ball-collecting rack 3 sidewall.Folder ball cover 1 is had at the outside of ball-collecting rack 3 sidewall cover.Folder ball cover 1 is annular, is provided with seal 7 at the outer wall of annulus and upper and lower surface.Particularly, have the first insulating case 72 at the outer wall cover of folder ball cover 1, be lined with the first insulation cushion 71 at the lower surface of folder ball cover 1, upper surface is lined with the second insulation cushion.
Screw thread extension bar 5 entirety is cylindrical, and be provided with cone shape tip in columniform one end, the other end is provided with annulus projection.The convex annular origin or beginning of screw thread extension bar 5 is positioned at the inside of ball-collecting rack 3, and the protruding outer diameter of annulus is greater than the diameter of ball-collecting rack 3 top circular hole, and to ensure that screw thread extension bar 5 can not depart from ball-collecting rack 3, the circular cone toe end of screw thread extension bar 5 is positioned at the outside of ball-collecting rack 3.Seal 7 is provided with between screw thread extension bar 5 and the top of ball-collecting rack 3.Specifically, screw thread extension bar 5 is provided with the 3rd insulation cushion the 74, four insulation cushion 75, second insulating case 76 and the 5th insulation cushion 77.Wherein, under 3rd insulation cushion 74 is positioned at the lower surface of screw thread extension bar 5, described 4th insulation cushion 75 is between the annulus projection and the lower surface at ball-collecting rack 3 top of screw thread extension bar 5, described second insulating case 76 is enclosed within the side wall perimeter of screw thread extension bar 5 through ball-collecting rack 3 top, and described 5th insulation cushion 77 is positioned at the upper surface at ball-collecting rack 3 top.In addition, elastic spring 6 is had at the lower surface of the 3rd insulation cushion 74.
Using method of the present utility model is: before vacuum arc furnace melting cast, first by the pneumatic chuck clamping consumable electrode of electrode stem, electrode must fill honest, clip and adjust the center making it aim at crucible; By means of consumable electrode and between the prepositioned striking material of crucible bottom instant contact produce arc discharge and reach stable arc burning, after the striking phase terminates, increase melting electric current gradually, proceed to rapidly the normal smelting phase; After the normal smelting phase terminates, should cut off the electricity supply immediately, stop arc, pneumatic fast lifting electrode.In whole smelting and pouring process, the conduction insulation system of electrode stem pneumatic chuck, insulate completely with rise fall of electrodes column and isolates, and efficiently solves the problem of the screw thread extension bar electric leakage starting the arc, to prevent in the process of melting electric current by rise fall of electrodes column, thus ensure to produce and carry out normally.
The non-detailed description of the utility model is known to the skilled person technology.Although the utility model with preferred embodiment openly as above; but it is also not used to limit the utility model; any person skilled in the art; not departing from spirit and scope of the present utility model; can do various change and modification, what therefore protection range of the present utility model should define with claims is as the criterion.
Claims (9)
1. the conduction insulating mechanism for electrode stem pneumatic chuck, it is characterized in that, comprise folder ball cover (1), steel ball (2), ball-collecting rack (3), copper flange (4), screw thread extension bar (5), elastic spring (6) and seal (7), wherein, seal (7) comprises the first insulation cushion (71), first insulating case (72), the second insulation cushion (73), the 3rd insulation cushion (74), 4th insulation cushion (75), the second insulating case (76) and the 5th insulation cushion (77); The upper cover of folder ball cover (1) has the first insulation cushion (71), first insulating case (72) and the second insulation cushion (73), the upper cover of screw thread extension bar (5) has the 3rd insulation cushion (74), 4th insulation cushion (75), the second insulating case (76) and the 5th insulation cushion (77).
2. a kind of conduction insulating mechanism for electrode stem pneumatic chuck described in claim 1, it is characterized in that, described steel ball (2) is positioned at the centre of ball-collecting rack (3) sidewall, and folder ball cover (1) is enclosed within the side-wall outer side of ball-collecting rack (3).
3. a kind of conduction insulating mechanism for electrode stem pneumatic chuck described in claim 1, it is characterized in that, described ball-collecting rack (3) is cylindrical, and ball-collecting rack (3) inside is provided with cavity, and top is provided with the circular hole that diameter is less than ball-collecting rack (3) inwall circular diameter.
4. a kind of conduction insulating mechanism for electrode stem pneumatic chuck described in claim 1, is characterized in that, described copper flange (4) is positioned at the lower end being connected to pneumatic chuck.
5. a kind of conduction insulating mechanism for electrode stem pneumatic chuck described in claim 1, it is characterized in that, described screw thread extension bar (5) is positioned at the upper end of pneumatic chuck, screw thread extension bar (5) is overall cylindrical, one end is conical tip, one end is that annulus is protruding, the annulus protruding end of screw thread extension bar (5) is positioned at the inside of ball-collecting rack (3), conical tip end is positioned at the outside of ball-collecting rack (3), for being connected with rise fall of electrodes post (8).
6. a kind of conduction insulating mechanism for electrode stem pneumatic chuck described in claim 5, is characterized in that, the diameter of the annulus protruding end of described screw thread extension bar (5) is greater than the Circularhole diameter of ball-collecting rack (3) upper surface setting.
7. a kind of conduction insulating mechanism for electrode stem pneumatic chuck described in claim 1, it is characterized in that, described folder ball cover (1) is annular, under first insulation cushion (71) is positioned at the lower surface of folder ball cover (1), first insulating case (72) is enclosed within the outer wall of folder ball cover (1), and the second insulation cushion (73) is positioned on the upper surface of folder ball cover (1).
8. a kind of conduction insulating mechanism for electrode stem pneumatic chuck described in claim 1, it is characterized in that, under described 3rd insulation cushion (74) is positioned at the lower surface of screw thread extension bar (5), described 4th insulation cushion (75) is positioned between the annulus projection of screw thread extension bar (5) and the lower surface at ball-collecting rack (3) top, described second insulating case (76) is enclosed within the side wall perimeter of screw thread extension bar (5) through ball-collecting rack (3) top, and described 5th insulation cushion (77) is positioned at the upper surface at ball-collecting rack (3) top.
9. a kind of conduction insulating mechanism for electrode stem pneumatic chuck described in claim 1, is characterized in that, under described elastic spring (6) is positioned at the lower surface of the 3rd insulation cushion (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605925.9U CN204906760U (en) | 2015-08-12 | 2015-08-12 | A electrically conductive insulating mechanism for electrode stem pneumatic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605925.9U CN204906760U (en) | 2015-08-12 | 2015-08-12 | A electrically conductive insulating mechanism for electrode stem pneumatic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906760U true CN204906760U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520605925.9U Expired - Fee Related CN204906760U (en) | 2015-08-12 | 2015-08-12 | A electrically conductive insulating mechanism for electrode stem pneumatic chuck |
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| CN (1) | CN204906760U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783530A (en) * | 2016-04-26 | 2016-07-20 | 西安聚能装备技术有限公司 | Clamping and electricity-conducting device for auxiliary electrode of vacuum arc remelting furnace |
| CN108118159A (en) * | 2017-11-21 | 2018-06-05 | 沈阳金正冶金技术有限公司 | A kind of new consumable metallurgical furnace conductive material bar |
| CN110218876A (en) * | 2019-07-23 | 2019-09-10 | 应达工业（上海）有限公司 | A kind of electrode clamping lift structure of electroslag refining furnace |
-
2015
- 2015-08-12 CN CN201520605925.9U patent/CN204906760U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783530A (en) * | 2016-04-26 | 2016-07-20 | 西安聚能装备技术有限公司 | Clamping and electricity-conducting device for auxiliary electrode of vacuum arc remelting furnace |
| CN108118159A (en) * | 2017-11-21 | 2018-06-05 | 沈阳金正冶金技术有限公司 | A kind of new consumable metallurgical furnace conductive material bar |
| CN110218876A (en) * | 2019-07-23 | 2019-09-10 | 应达工业（上海）有限公司 | A kind of electrode clamping lift structure of electroslag refining furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20210812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |