CN201267866Y - Ingot leading device with automatically detached ingot for continuous casting machine - Google Patents
Ingot leading device with automatically detached ingot for continuous casting machine Download PDFInfo
- Publication number
- CN201267866Y CN201267866Y CNU2008201533291U CN200820153329U CN201267866Y CN 201267866 Y CN201267866 Y CN 201267866Y CN U2008201533291 U CNU2008201533291 U CN U2008201533291U CN 200820153329 U CN200820153329 U CN 200820153329U CN 201267866 Y CN201267866 Y CN 201267866Y
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- ingot
- dummy
- bar head
- arc
- dummy bar
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Abstract
An automatic ingot stripping dummy bar head device for a continuous caster comprises a dummy bar head body and a through-typed ring-shaped suspension loop arranged on the left end of the body; the juncture of the intrados of the upper part of the dummy bar head body and the steel-facing face of the right side is provided with an arc nose; the arc nose is tangent with the intrados of the dummy bar head body and is further connected with a circular bead of the steel-facing face. The underside of the middle part of the dummy bar head body is provided with an internally concave wedge type dummy ingot groove; the dummy ingot groove is provided with a circular arc-shaped front dummy ingot groove surface and a circular arc-shaped rear dummy ingot groove surface; wherein, the rotary central position of the circular arc of the front dummy ingot groove surface is required to be 5-40mm higher than the nose arc center of the arc nose; the arc rotary center of the rear dummy ingot groove surface is the center of the circular bead for connecting the bottom of the arc nose with the steel-facing face; the arc radius of the rear dummy ingot groove surface is smaller than that of the front dummy ingot groove surface. During work, the arc nose and the concave pit of an ingot blank form a revolute pair, and the ingot stripes owing to the gravity function. The device can be widely applied to the field of continuous caster production of various steel enterprises.
Description
Technical field
The utility model relates to the continuous casting of metal field, more specifically a kind of operation or the control of operation or the device of adjusting that uses when relating to the beginning casting manipulations of continuous casting equipment.
Background technology
The operation principle of taking off ingot formula dummy bar head automatically is: opening when watering, dummy bar head is inserted the casting machine crystallizer with one of dummy bar chain, when dummy bar chain inserts certain depth, when dummy bar head is met the steel face when reaching the inner a certain definite altitude range of crystallizer, the operative employee utilizes the former of casting machine segmental arc that pinch roll is clamped dummy bar chain, realize manually stopping insert action, can stablize staticly in casting machine inside, reach the purpose of locking dummy bar head to guarantee dummy bar chain; When dummy bar head after precalculated position locking, the operative employee opens the tundish slide plate at once, molten steel injects in crystallizer fast by the immersion mouth of a river, at this moment, molten steel meets at dummy bar head that the plug of steel face is stifled can't to flow downward down, can only and copper plate of crystallizer between quick heat exchange, and form the initial set base shell of certain intensity, wherein flow into the molten steel of dummy bar head inside grooves and be solidified as the hook with certain intensity because absorbed heat by the dummy bar head body, this hook is the stress point that dummy bar chain pulls steel billet; At this moment, when the control program slowly started drag in casting machine in the dummy bar chain basis, strand also began to realize continuous casting production; Head when strand, when promptly last that moves to the casting machine afterbody with the steel billet of dummy bar head join domain is to the casting roller, dummy bar chain is under the vertical handling effect of volume poplar hook, because be subjected to the spinning movements that about 90 degree take place with strand at once to the barrier effect of casting roller for gravity and last, the purpose of this spinning movement is that the hook of guaranteeing dummy bar head groove and strand head is realized breaking away from fast, thereby has realized the on-line automatic ingot action of taking off.Yet, currently thisly traditional take off ingot formula dummy bar head automatically to take off the ingot rate automatically not high because its intrinsic architectural feature causes, and germinate crackle easily, and finally cause the dummy bar head cracking and cause to open and water hidden danger at the welding region of dummy bar head.
Though and the traditional than before dummy bar head of the service behaviour of taking off the ingot dummy bar head automatically that adopts at various slab conticasters at present has tangible performance boost, in use find still to have many problems, mainly contain following several aspect:
1. dummy bar head causes unusual stagnant base because of taking off ingot automatically.Though the probability that this phenomenon takes place is not high, but in case take place, will cause significant impact to device fabrication, logistics etc., especially the later stage stealth hard defects that the conticaster body is brought can't be estimated, and therefore reduce probability, the raising of the base that stagnates and take off the important performance indexes that the ingot rate is continuous casting production automatically.
2. the cracking phenomena of dummy bar head is more serious.This is the key factor that influences dummy bar head ability to work, working life.Present dummy bar head because the structure design characteristic of the transitional region of dummy bar head and form processing cause the transition region of dummy bar head to produce too high hot machine coupling stress, is the main cause that causes too early cracking behind the certain heat of casting.And this spare part of dummy bar head was because its traditional stabilization of equipment performance once even was narrowly causing conticaster can't open the thing of watering because of no dummy bar head.
Publication number is " CN2511415 ", open day to be on 09 18th, 2002 Chinese patent, a kind of ingot dummy bar head that takes off automatically, utilizing arc hook to carry out throwing possesses simultaneously and takes off the ingot function automatically, yet, this dummy bar head and presently used dummy bar head have same defective, simultaneously itself to meet steel face circular arc head extremely unstable as the mode of taking off the ingot rotating shaft because adopt, cause dummy ingot hook and dummy ingot groove stuck often, cause unusual stagnant base.
Publication number is " CN2282946 ", open day to be on 06 03rd, 1998 Chinese patent, the disposable dummy bar head of a kind of billet caster, and being used for metering nozzle does not have the stopper pouring technology.Comprise chest open-ended, that mouth makes progress with the steel plate welding, the round steel of some is housed in the chest, encapsulant is installed in chest bottom and outside portion, pull bar of chest bottom welding, and pull bar is the T-shaped structure.Pull bar is inserted in the breach that dummy bar holds on one's body.The defective of this dummy bar head is to have adopted the rod-pulling type design, its intensity is lower, and because the curve of outer arc adopts the arc surface of same center of circle different radii to process in its pull bar, can to take off the ingot mortality too high because steel billet and dummy bar head bonding causes during taking off ingot.
Open day is " CN2253257 ", open day to be on 04 30th, 1997 Chinese patent, a kind of self-locking elasticity dummy bar, this dummy bar is grouped into by dummy bar head, periproct and rod body, the intrados of shaft is public latch plate, the extrados of shaft be a series of with the self-locking bearing pin connect into one row supporting chain section, the top of supporting chain section and the extrados of public latch plate are connected as a single entity by bolt.This patent is compared with disposable dummy bar head with above-mentioned billet caster, though bigger improvement has structurally been arranged, has the problem of intensity equally.
So this area a kind of can obviously providing now is provided takes off ingot and the difficult dummy bar head that produces fire check automatically, for the continuous casting production scene crucial meaning is arranged.
The utility model content
In order to address the above problem, the utility model provides a kind of conticaster with taking off ingot formula dummy bar head automatically, main by novel dummy bar head version, when the raising dummy bar head takes off the ingot rate, reduce the possibility of dummy bar head Cracking Failure, improve the service life and the operating efficiency of dummy bar head, can increase work efficiency widely, reduce the stagnant unusually base of casting machine and significantly reduce the spare part cost and accident rate.
Concrete technical scheme of the present utility model is as follows:
A kind of conticaster comprises dummy bar head body and the through annular hangers that is arranged on its left end with taking off ingot formula dummy bar head device automatically, it is characterized in that:
The steel face of the meeting intersection on the intrados of described dummy bar head upper part of body and right side is provided with a circular arc plush copper;
Below, the middle part of described dummy bar head body has the dummy ingot groove that an indent formula is carved type, this dummy ingot groove have circular-arc preceding dummy ingot groove face and after draw and decide groove face.
With taking off ingot formula dummy bar head device automatically, it is characterized in that: the intrados of described circular arc plush copper and dummy bar head body is tangent according to a kind of conticaster of the present utility model; The steel face of the meeting fillet of circular arc plush copper and dummy bar head body joins.
, it is characterized in that with taking off ingot formula dummy bar head device automatically according to a kind of conticaster of the present utility model: the extrados of described circular arc plush copper is the face of cylinder of rule, and its material is identical with the material of dummy bar head body.
, it is characterized in that with taking off ingot formula dummy bar head device automatically according to described a kind of conticaster of the present utility model: the center position of the circular arc of the circular-arc preceding dummy ingot groove face of described dummy ingot groove must be higher than the about 5～40mm of plush copper center of arc of circular arc plush copper.
, it is characterized in that with taking off ingot formula dummy bar head device automatically according to described a kind of conticaster of the present utility model: the center of rotation of drawing the circular arc of deciding groove face behind described dummy ingot groove circular-arc is the bottom and the fillet center that joins of meeting the steel face of circular arc plush copper.
, it is characterized in that with taking off ingot formula dummy bar head device automatically according to described a kind of conticaster of the present utility model: the center of rotation of drawing the circular arc of deciding groove face behind described dummy ingot groove circular-arc also can be vertical range in the below at the circular curve center of preceding dummy ingot groove face 20mm～50mm place.
According to a kind of conticaster of the present utility model with taking off ingot formula dummy bar head device automatically, it is characterized in that: draw the arc radius value that the arc radius value of deciding groove face is less than preceding dummy ingot groove face after described, have collar extension is carved type greater than the indent formula of inside dummy ingot groove to guarantee to form.
, it is characterized in that with taking off ingot formula dummy bar head device automatically according to a kind of conticaster of the present utility model: the radius of meeting the steel face of the meeting fillet of steel face is 80～180mm.This knuckle must be rejected welding through technologies such as reconditionings;
Use the utility model to obtain following beneficial effect:
1. the ingot rate of taking off of dummy bar head improves greatly.
2. the big fillet design of meeting the steel face has reduced the possibility of dummy bar head Cracking Failure, the service life of improving dummy bar head.
3. improved operating efficiency, reduce the stagnant unusually base of casting machine and significantly reduce the spare part cost and accident rate.
Description of drawings
Fig. 1 is the old-fashioned cutaway view that takes off ingot formula dummy bar head automatically;
Fig. 2 takes off ingot formula dummy bar head because 3 diebacks cause the schematic diagram that can't take off ingot automatically for old-fashioned;
Fig. 3 uses the cutaway view that takes off ingot formula dummy bar head device automatically for conticaster of the present utility model;
Fig. 4 takes off the ingot schematic diagram for conticaster of the present utility model smoothly with what take off ingot formula dummy bar head device automatically;
Fig. 5 uses the overall schematic of taking off the process of billet withdrawal of ingot formula dummy bar head device automatically for conticaster of the present utility model.
Among the figure: 1-dummy bar head body, the through annular hangers of 2-, 3-intrados, 4-meets the steel face, 5-circular arc plush copper, 6-dummy ingot groove, dummy ingot groove face before the 7-, dummy ingot groove face behind the 8-, 9-plush copper center of arc, the 10-fillet center that joins, 11-meets steel face fillet, and the 12-dummy ingot colludes, 13-direct casting roller group, 14-is casting roller group down, 15-pit, 16-strand.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is described further:
As Fig. 3, Fig. 4 and shown in Figure 5, open when watering, molten steel enters the dummy ingot groove 6 that an indent formula of offering below, dummy bar head body 1 middle part is carved type, and with the circular-arc preceding dummy ingot groove face 7 of dummy ingot groove with after draw and decide groove face 8 and contact, the cooling back forms dummy ingot and colludes 12, behind the hook-shaped one-tenth of dummy ingot, the dummy bar head body is at the roll gap that progressively passes through under the pulling effect of the through annular hangers 2 of pulling between direct casting roller 13 and the following casting roller 14, in this process, molten steel contacts with circular arc plush copper 5, condensation, and the cylindrical pit 15 of formation rule, this pit and circular arc plush copper form the revolute pair of similar bearing, and the ledge that produces in the bottom of pit provides good supporting for the follow-up ingot that takes off automatically, stabilization.
When dummy bar head body 1 stretch out fully conticaster last to the casting roller after, the dummy bar head body is under the pulling function of the vertical direction of through annular hangers 2, because the revolute pair that the pit 15 of circular arc plush copper 5 and strand forms, dummy bar head body central point (center of arc 9 of circular arc plush copper just) around pit under the cohesive force effect of gravity and strand 16 rotates.Under the drive of this rotational action, dummy ingot collude 12 with the preceding dummy ingot groove face 7 of the dummy ingot groove 6 of dummy bar head body and after draw and decide groove face 8 and hightail, because the center of rotation of preceding dummy ingot groove face 7 is to be the center with the central point of the central point pit of pit (center of arc 9 of circular arc plush copper just) high 5～40mm place, therefore the preceding dummy ingot groove face 7 of dummy ingot groove colludes and can hightail with dummy ingot, in like manner, after draw the circular arc of deciding groove face center of rotation be the bottom and the fillet center that joins of meeting the steel face of circular arc plush copper, since after draw the arc radius value of deciding groove face and be less than before the arc radius value of dummy ingot groove face, draw after making and decide groove face 8 and also collude and hightail with dummy ingot, when the dummy bar head body rotates to certain angle under the pulling force effect, be dummy ingot collude break away from the dummy ingot groove fully after, this moment, dummy bar head body under the gravity effect dangled automatically, finished the whole ingot process of taking off automatically smoothly.
The steel face of the meeting fillet 11 that other meets steel face 4 has adopted big round-corner transition, and radius is 80 to 180mm, has reduced the crackle that hot machine coupling stress produces widely, has improved the dummy bar head life-span.
The employed technology of the utility model, equipment homogeneous phase are when ripe, processing, manufacturing and the enforcement difficulty of device are lower, productivity effect, maintenance cost etc. all can obviously be improved behind enforcement the utility model, and processing method and device have certain versatility, can extensively apply to the conticaster production field of iron and steel enterprise of the same type both at home and abroad, it is wide to have market prospects.
Claims (8)
1. a conticaster is with taking off ingot formula dummy bar head device automatically, comprises dummy bar head body (1) and is arranged on the through annular hangers (2) of its left end, it is characterized in that:
The intrados (3) on the top of described dummy bar head body (1) is provided with a circular arc plush copper (5) with the steel face of meeting (4) intersection on right side;
Below, the middle part of described dummy bar head body (1) the indent formula that has is carved the dummy ingot groove (6) of type, this dummy ingot groove have circular-arc preceding dummy ingot groove face (7) and after draw and decide groove face (8).
2. a kind of conticaster as claimed in claim 1 is characterized in that with taking off ingot formula dummy bar head device automatically: described circular arc plush copper (5) is tangent with the intrados (3) of dummy bar head body (1); The steel face of meeting (4) fillet of circular arc plush copper and dummy bar head body joins.
3. a kind of conticaster as claimed in claim 1 is characterized in that with taking off ingot formula dummy bar head device automatically: the extrados of described circular arc plush copper (5) is the face of cylinder of rule, and its material is identical with the material of dummy bar head body (1).
4. a kind of conticaster as claimed in claim 1 is characterized in that with taking off ingot formula dummy bar head device automatically: the center position of the circular arc of the circular-arc preceding dummy ingot groove face (7) of described dummy ingot groove (6) must be higher than the about 5～40mm of plush copper center of arc (9) of circular arc plush copper (5).
5. a kind of conticaster as claimed in claim 1 is characterized in that with taking off ingot formula dummy bar head device automatically: the center of rotation of drawing the circular arc of deciding groove face (8) behind described dummy ingot groove (6) circular-arc is the bottom and the fillet center (10) that joins of meeting steel face (4) of circular arc plush copper (5).
6. a kind of conticaster as claimed in claim 5 is characterized in that with taking off ingot formula dummy bar head device automatically: the center of rotation of drawing the circular arc of deciding groove face (8) behind described dummy ingot groove (6) circular-arc also can be vertical range in the below at the circular curve center of preceding dummy ingot groove face (7) 20mm～50mm place.
7. a kind of conticaster as claimed in claim 1 is characterized in that with taking off ingot formula dummy bar head device automatically: draw the arc radius value that the arc radius value of deciding groove face (8) is less than preceding dummy ingot groove face (7) after described.
8. a kind of conticaster as claimed in claim 1 is characterized in that with taking off ingot formula dummy bar head device automatically: the arc radius of the steel face of meeting fillet (11) of meeting (4) of steel face is 80～180mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201533291U CN201267866Y (en) | 2008-09-23 | 2008-09-23 | Ingot leading device with automatically detached ingot for continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201533291U CN201267866Y (en) | 2008-09-23 | 2008-09-23 | Ingot leading device with automatically detached ingot for continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201267866Y true CN201267866Y (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201533291U Expired - Fee Related CN201267866Y (en) | 2008-09-23 | 2008-09-23 | Ingot leading device with automatically detached ingot for continuous casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201267866Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397046A (en) * | 2015-12-03 | 2016-03-16 | 中冶连铸技术工程有限责任公司 | Round billet dummy ingot device |
| CN105750517A (en) * | 2016-04-27 | 2016-07-13 | 中冶京诚工程技术有限公司 | Dummy bar head special for continuous casting oval blank |
| CN108188364A (en) * | 2018-03-16 | 2018-06-22 | 山东钢铁股份有限公司 | Large round billet continuous casting dummy device and its application method |
| CN113102700A (en) * | 2021-03-09 | 2021-07-13 | 广东韶钢松山股份有限公司 | Ingot dummy head for continuous casting of square billet |
-
2008
- 2008-09-23 CN CNU2008201533291U patent/CN201267866Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397046A (en) * | 2015-12-03 | 2016-03-16 | 中冶连铸技术工程有限责任公司 | Round billet dummy ingot device |
| CN105750517A (en) * | 2016-04-27 | 2016-07-13 | 中冶京诚工程技术有限公司 | Dummy bar head special for continuous casting oval blank |
| CN108188364A (en) * | 2018-03-16 | 2018-06-22 | 山东钢铁股份有限公司 | Large round billet continuous casting dummy device and its application method |
| CN108188364B (en) * | 2018-03-16 | 2023-09-29 | 山东钢铁股份有限公司 | Dummy ingot device for large round billet continuous casting and use method thereof |
| CN113102700A (en) * | 2021-03-09 | 2021-07-13 | 广东韶钢松山股份有限公司 | Ingot dummy head for continuous casting of square billet |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20160923 |