CN109900109A - A kind of electric arc furnaces of processing mold steel - Google Patents

A kind of electric arc furnaces of processing mold steel Download PDF

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Publication number
CN109900109A
CN109900109A CN201711285638.4A CN201711285638A CN109900109A CN 109900109 A CN109900109 A CN 109900109A CN 201711285638 A CN201711285638 A CN 201711285638A CN 109900109 A CN109900109 A CN 109900109A
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CN
China
Prior art keywords
inner sleeve
electric arc
top cover
inner panel
outside
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
Application number
CN201711285638.4A
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Chinese (zh)
Inventor
朱小坤
吴建忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tiangong Aihe Special Steel Co Ltd
Original Assignee
Tiangong Aihe Special Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tiangong Aihe Special Steel Co Ltd filed Critical Tiangong Aihe Special Steel Co Ltd
Priority to CN201711285638.4A priority Critical patent/CN109900109A/en
Publication of CN109900109A publication Critical patent/CN109900109A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of electric arc furnaces of processing mold steel, electrode clamping device includes annular top cover, round inner panel is embedded with inside annular top cover, round inner panel is rotatablely connected by rotating device and annular top cover, rotating device includes the bearing being set on the outside of round inner panel, along its diametrical direction, uniformly there are three through-holes on round inner panel, support set is equipped in through-hole, support set includes the inner sleeve being arranged inside and outside and housing, inner sleeve lateral surface band is tapered, it is adapted on the inside of housing with the conical surface on the outside of inner sleeve, and outer set upper side is connected with the inner sleeve by bolt.Advantage is: by adjusting inner sleeve and housing relative position, to control the gap between inner sleeve and electrode, to effectively clamp electrode, preventing falling for electrode, adjusts convenient and efficient;By rotating device, so that the round inner panel of carrying electrode can relatively rotate with annular top cover, and cooperates driving device, allow and rotated in electrode, the furnace charge in furnace can be heated evenly, Melting Quality is greatly improved.

Description

A kind of electric arc furnaces of processing mold steel
Technical field
The present invention relates to EAF Technology field more particularly to a kind of electric arc furnaces of processing mold steel.
Background technique
Mould steel is the steel grade for manufacturing the molds such as cold-punching mould, hot-forging die, compression mod.Mould steel is broadly divided into: cold Mould steel, hot rolling mould steel and plastic die steel three classes are rolled, for forging, punching press, cut type, die casting etc..Since various molds are used Way is different, and operating condition is complicated, therefore to die steel, by the operating condition of mold manufactured by it, should have high hardness, strong Degree, wearability, enough toughness and high harden ability, hardenability and other processing performances.Since this kind of purposes is different, work Make complicated condition, therefore also different to the performance requirement of die steel.
Electric arc furnaces is the industrial furnace that electric arc heated is generated by metal electrode or non-metal electrode.Electric arc furnaces presses electrical arc The types such as three-phawse arc furnace, consumable electroarc furnace, single-phase arc funace and resistor electric arc furnace can be divided into.The furnace body of electrical arc furnace is by furnace Lid, fire door, lander and shaft composition, furnace bottom and furnace wall basic refractory or acid refractory are built.Electric arc steelmaking Furnace by the matched transformer capacity of heat size per ton number be divided into common power electric arc furnace, high power electric arc furnace and ultra high power electricity Arc furnace.Electric-arc furnace steelmaking be by graphite electrode into electrical arc furnace inputing power, to occur between electrode tip and furnace charge Electric arc be heat source made steel.Electric arc furnaces using electric energy as heat source, can adjust furnace atmosphere, to melting contain oxidizable element compared with More steel grades is extremely advantageous.
Summary of the invention
To solve the above problems, the invention discloses a kind of electric arc furnaces of processing mold steel.
In order to reach the goals above, the invention provides the following technical scheme:
A kind of electric arc furnaces of processing mold steel, including furnace body and the electrode clamping device being arranged at the top of furnace body, feature exists In: the electrode clamping device includes annular top cover, and the annular top cover is adapted with furnace body, inside be embedded in circle Plate, the circle inner panel are rotatablely connected by rotating device and annular top cover, and the rotating device includes being set in round inner panel The bearing in outside, the inner ring of the bearing are fixedly connected with round inner panel outside, outer ring and the circular casing being set in outside bearing Body is fixedly connected, and uniformly distributed there are three through-hole along its diametrical direction on the circle inner panel, the through-hole is interior to be equipped with support set, institute Stating support set includes the inner sleeve being arranged inside and outside and housing, and the inner sleeve lateral surface band is tapered, on the inside of the housing and on the outside of inner sleeve The conical surface is adapted, and outer set upper side is connected with the inner sleeve by bolt, and the circle inner panel top edge is equipped with along its circumferential direction The outer sheath of annular protrusion, the annular protrusion is equipped with first gear.
Further, the annular top cover is equipped with driving device, and the driving device includes second gear, and described second Gear is meshed with first gear, and second gear is by the motor driven that is arranged in annular top cover.
Further, the taper of the inner sleeve is 1:13.
Further, the inner sleeve is resilient sleeve.
Further, insulated thermal insulating layer is equipped in the inner sleeve.
Further, the bearing is double row tapered roller bearing.
Further, dustband is respectively equipped between the upper and lower ends and annular outer cover of the housing.
Compared with prior art, the beneficial effects of the present invention are: by using inner sleeve and housing relative position is adjusted, come Control the gap between inner sleeve and electrode, when reduce between inner sleeve and housing apart from when, under the action of the conical surface, inner sleeve can be received inwardly Contracting prevents falling for electrode to effectively clamp electrode, adjusts convenient and efficient;By rotating device, so that carrying electrode Round inner panel can relatively rotate with annular top cover, and cooperate driving device, allow and rotated in electrode, allow in furnace Furnace charge can be heated evenly, and greatly improve Melting Quality.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the electric arc furnaces of processing mold steel of the present invention.
Reference signs list:
1- furnace body, 2- electrode clamping device, 21- annular top cover, 22- circle inner panel, 23- bearing, 24- toroidal shell, 25- support Set, 251- inner sleeve, 252- housing, 26- bolt, 3- annular protrusion, 4- first gear, 5- second gear, 6- motor, 7- insulation every Thermosphere, 8- dustband, 9- electrode.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only For illustrating the present invention rather than limiting the scope of the invention.
As shown, a kind of electric arc furnaces of processing mold steel, including furnace body 1 and the electrode holder being arranged at the top of furnace body 1 Device 2 is held, the electrode clamping device 2 includes annular top cover 21, and the annular top cover 21 is adapted with furnace body 1, internal embedding Equipped with round inner panel 22, the circle inner panel 22 is rotatablely connected by rotating device and annular top cover 21, the rotating device packet Include the bearing 23 for being set in 22 outside of round inner panel, the inner ring of the bearing 23 with be fixedly connected on the outside of round inner panel 22, outside Enclose and be fixedly connected with the toroidal shell 24 being set in outside bearing 23, on the circle inner panel 22 along its diametrical direction it is uniformly distributed there are three Through-hole, the through-hole is interior to be equipped with support set 25, and the support set 25 includes the inner sleeve 251 being arranged inside and outside and housing 252, described interior It is tapered to cover 251 lateral surface bands, 252 inside of housing is adapted with the 251 outside conical surface of inner sleeve, and 252 upper end of housing passes through Bolt 26 is connect with inner sleeve 251, and circle 22 top edge of inner panel is equipped with annular protrusion 3, the annular along its circumferential direction The outer sheath of protrusion 3 is equipped with first gear 4.
In the present embodiment, the annular top cover 21 is equipped with driving device, and the driving device includes second gear 5, The second gear 5 is meshed with first gear 4, and second gear 5 is driven by the motor 6 being arranged in annular top cover 21.
The present invention is by using the relative position for adjusting inner sleeve 251 and housing 252, to control between inner sleeve 251 and electrode 9 Gap, when reduce between inner sleeve 251 and housing 252 apart from when, under the action of the conical surface, inner sleeve 251 can be to contract, to have Effect clamps electrode 9, prevents falling for electrode 9, adjusts convenient and efficient;By rotating device, so that the circle of carrying electrode 9 Inner panel 22 can relatively rotate with annular top cover 21, and cooperate driving device, allow and rotate in electrode 9, allow in furnace body 1 Furnace charge can be heated evenly, greatly improve Melting Quality.
In the present embodiment, the taper of the inner sleeve 251 is 1:13, and inner sleeve 251 is resilient sleeve, in addition, in inner sleeve 251 Equipped with insulated thermal insulating layer 7.
In the present embodiment, the bearing 23 is double row tapered roller bearing.
In the present embodiment, dustband 8 is respectively equipped between the upper and lower ends and annular outer cover 24 of the housing 252.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (7)

1. a kind of electric arc furnaces of processing mold steel, including furnace body (1) and the electrode clamping device being arranged at the top of furnace body (1) (2), it is characterised in that: the electrode clamping device (2) includes annular top cover (21), the annular top cover (21) and furnace body (1) Be adapted, inside be embedded with round inner panel (22), the circle inner panel (22) is turned by rotating device and annular top cover (21) Dynamic connection, the rotating device include the bearing (23) being set on the outside of round inner panel (22), the inner ring of the bearing (23) with It is fixedly connected with round inner panel (22) outside, outer ring is fixedly connected with the toroidal shell (24) of bearing (23) outside is set in, described Uniformly distributed there are three through-hole along its diametrical direction on round inner panel (22), the through-hole is interior to be equipped with support set (25), the support set It (25) include the inner sleeve (251) being arranged inside and outside and housing (252), inner sleeve (251) the lateral surface band is tapered, the housing (252) inside is adapted with the conical surface on the outside of inner sleeve (251), and housing (252) upper end is connected by bolt (26) and inner sleeve (251) It connects, circle inner panel (22) top edge is equipped with annular protrusion (3) along its circumferential direction, the outside of the annular protrusion (3) It is arranged with first gear (4).
2. a kind of electric arc furnaces of processing mold steel according to claim 1, it is characterised in that: on the annular top cover (21) Equipped with driving device, the driving device includes second gear (5), and the second gear (5) is meshed with first gear (4), And second gear (5) is driven by the motor (6) being arranged in annular top cover (21).
3. a kind of electric arc furnaces of processing mold steel according to claim 1, it is characterised in that: the cone of the inner sleeve (251) Degree is 1:13.
4. a kind of electric arc furnaces of processing mold steel according to claim 3, it is characterised in that: the inner sleeve (251) is bullet Property set.
5. a kind of electric arc furnaces of processing mold steel according to claim 4, it is characterised in that: set in the inner sleeve (251) There are insulated thermal insulating layer (7).
6. a kind of electric arc furnaces of processing mold steel according to claim 1, it is characterised in that: the bearing (23) is biserial Tapered roller bearing.
7. a kind of electric arc furnaces of processing mold steel according to claim 1, it is characterised in that: the housing (252) it is upper Dustband (8) are respectively equipped between lower both ends and annular outer cover (24).
CN201711285638.4A 2017-12-07 2017-12-07 A kind of electric arc furnaces of processing mold steel Pending CN109900109A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711285638.4A CN109900109A (en) 2017-12-07 2017-12-07 A kind of electric arc furnaces of processing mold steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711285638.4A CN109900109A (en) 2017-12-07 2017-12-07 A kind of electric arc furnaces of processing mold steel

Publications (1)

Publication Number Publication Date
CN109900109A true CN109900109A (en) 2019-06-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114835502A (en) * 2022-04-06 2022-08-02 瑞泰科技股份有限公司 Method for improving smelting quality of fusion-cast refractory material
CN114963749A (en) * 2022-07-29 2022-08-30 江苏申隆锌业有限公司 Electric arc furnace capable of melting materials uniformly

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202993817U (en) * 2012-12-04 2013-06-12 纪征礼 Electric arc furnace
CN104422273A (en) * 2013-08-31 2015-03-18 大同特殊钢株式会社 Arc furnace
CN204678871U (en) * 2015-05-22 2015-09-30 江苏国红金属材料有限公司 A kind of electric arc furnaces
CN206056237U (en) * 2016-08-30 2017-03-29 福建青拓镍业有限公司 A kind of electric arc furnace
CN206113637U (en) * 2016-07-26 2017-04-19 株洲晨昕中高频设备有限公司 Composite heating formula heat treatment furnace
CN206479016U (en) * 2017-01-16 2017-09-08 上海衡益特陶新材料有限公司 A kind of Liftable and movable boron carbide refining furnace
CN107420053A (en) * 2017-06-30 2017-12-01 南京律智诚专利技术开发有限公司 A kind of drilling platforms rod support mechanism for drilling

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202993817U (en) * 2012-12-04 2013-06-12 纪征礼 Electric arc furnace
CN104422273A (en) * 2013-08-31 2015-03-18 大同特殊钢株式会社 Arc furnace
CN204678871U (en) * 2015-05-22 2015-09-30 江苏国红金属材料有限公司 A kind of electric arc furnaces
CN206113637U (en) * 2016-07-26 2017-04-19 株洲晨昕中高频设备有限公司 Composite heating formula heat treatment furnace
CN206056237U (en) * 2016-08-30 2017-03-29 福建青拓镍业有限公司 A kind of electric arc furnace
CN206479016U (en) * 2017-01-16 2017-09-08 上海衡益特陶新材料有限公司 A kind of Liftable and movable boron carbide refining furnace
CN107420053A (en) * 2017-06-30 2017-12-01 南京律智诚专利技术开发有限公司 A kind of drilling platforms rod support mechanism for drilling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114835502A (en) * 2022-04-06 2022-08-02 瑞泰科技股份有限公司 Method for improving smelting quality of fusion-cast refractory material
CN114963749A (en) * 2022-07-29 2022-08-30 江苏申隆锌业有限公司 Electric arc furnace capable of melting materials uniformly

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Application publication date: 20190618

RJ01 Rejection of invention patent application after publication