CN105750517A - Dummy bar head special for continuous-cast oval blanks - Google Patents
Dummy bar head special for continuous-cast oval blanks Download PDFInfo
- Publication number
- CN105750517A CN105750517A CN201610269661.3A CN201610269661A CN105750517A CN 105750517 A CN105750517 A CN 105750517A CN 201610269661 A CN201610269661 A CN 201610269661A CN 105750517 A CN105750517 A CN 105750517A
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- Prior art keywords
- inclined plane
- groove
- ellipse
- inner chamber
- dummy bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/08—Accessories for starting the casting procedure
- B22D11/081—Starter bars
- B22D11/083—Starter bar head; Means for connecting or detaching starter bars and ingots
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a dummy bar head special for continuous-cast oval blanks.The dummy bar head special for continuous-cast oval blanks comprises a dummy bar part and a connecting part.The dummy bar part is of an oval platy structure, and a groove is formed in the surface of one side of the dummy bar part along the central axis of the oval.The connecting part is connected with the surface of the other side of the dummy bar part along the central axis of the oval, and a connecting through hole is formed in the connecting part.The dummy bar head special for continuous-cast oval blanks has the advantages that the dummy bar part is arranged to be of the oval platy structure and can be matched with an outlet of a crystallizer in shape; the groove is formed in the dummy bar part so that the requirement for connection of a blank head and the dummy bar head special for continuous-cast oval blanks can be met, and a dummy bar device can be conveniently disengaged to separate the blank head from the dummy bar head.
Description
Technical field
The present invention relates to the big cross section continuous-casting art during iron and steel produces, the dummy bar head that specifically a kind of continuous casting ellipse base is special.
Background technology
Along with the development of steel and iron industry, user is more and more higher to steel products prescription, requires more and more higher to the blank of strand.Slab steel have been widely used the fields such as boats and ships, building, military project, and the thickness that slab blank needs is more and more thicker.In the past, mostly the production for the extra-thick plate blank of big cross section was to adopt die casting, and the billet quality that the method produces is poor, and production efficiency is low.Nippon is researched and developed, having gone into operation to produce extra-thick plate blank vertical casting machine, and blank maximum gauge is up to 600mm.
In recent years, producing special heavy plate blank efficient, high-quality by oval base continuous cast method becomes reality, and blank maximum gauge is up to 900mm.Belonging to special-shaped due to the shape of oval base and section is big, differ greatly with conventional continuous casting, dummy bar head of the prior art is not suitable with the crystallizer of oval base, and seals dummy ingot complicated operation, it is easy to bleed-out, process of billet withdrawal is unstable.
Summary of the invention
For the deficiency that the crystallizer overcoming existing dummy bar head and oval base is not suitable, the invention provides the dummy bar head that a kind of continuous casting ellipse base is special, to reach the purpose suitable with the crystallizer of oval base.
The technical solution adopted for the present invention to solve the technical problems is: the dummy bar head that a kind of continuous casting ellipse base is special, the special dummy bar head of this continuous casting ellipse base includes: dummy ingot portion, dummy ingot portion is oval platy structure, and along the centerline direction of this ellipse, the side surface configuration in dummy ingot portion is fluted；Connecting portion, is connected with the opposite side surface in dummy ingot portion along the centerline direction of this ellipse, and connecting portion is provided with connection through hole.
Further, a side surface in dummy ingot portion includes the first inclined plane, the second inclined plane and the 3rd inclined plane that are sequentially connected with, the first inclined plane, the second inclined plane and the 3rd inclined plane and be perpendicular to this ellipse centrage plane between angle increase successively.
Further, intersection between first inclined plane and the second inclined plane is parallel to the major axis of this ellipse, intersection between second inclined plane and the 3rd inclined plane is also parallel with the major axis of this ellipse, along the centerline direction of this ellipse, the first inclined plane, the second inclined plane and the 3rd inclined plane are gradually towards the inner inclination of this dummy bar head.
Further, the first arc transiting surface it is provided with between first inclined plane and the second inclined plane, it is provided with the second arc transiting surface between second inclined plane and the 3rd inclined plane, the area sum of the area of the first inclined plane area more than the second inclined plane and the 3rd inclined plane, the area of the second inclined plane is more than the area of the 3rd inclined plane.
Further, groove is arranged along the short axle of this ellipse, and along the direction of this short axle, the length of groove is the half of this minor axis length, and the position of groove corresponds to the second inclined plane and the 3rd inclined plane.
Further, groove includes groove exocoel and groove inner chamber, groove exocoel and groove inner chamber set gradually along the centerline direction of this ellipse and groove inner chamber is between groove exocoel and connecting portion, outer end along the inner containing fluted inner chamber of the direction groove inner chamber of this short axle and groove inner chamber, groove inner chamber passes through the outer end of groove inner chamber and the ft connection of groove exocoel and this dummy bar head, the volume of groove exocoel is less than the volume of groove inner chamber, along the direction of the major axis of this ellipse, the width of groove exocoel is less than the width of groove inner chamber.
Further, the entrance of groove exocoel is positioned in the second inclined plane, and the outer end of groove inner chamber is positioned at the connection intermediate location of the 3rd inclined plane and the second inclined plane and the 3rd inclined plane, and the outer end of groove exocoel connects with the entrance of groove inner chamber.
Further, groove inner chamber is tapered, the top of this taper is the inner of groove inner chamber, the bottom of this taper is the outer end of groove inner chamber, groove exocoel is surrounded by wall surface and two side wall surfaces being parallel to each other, the centrage of this ellipse is positioned at wall surface, and the intersection between the first inclined plane and the second inclined plane also is located in wall surface, and the inner of groove inner chamber is concordant with wall surface.
Further, connecting portion is additionally provided with lifting through hole, lifts through hole and be connected the setting of through hole interval.
The invention has the beneficial effects as follows, dummy ingot portion is set to oval platy structure, it is possible to suitable with the outlet shapes of crystallizer, dummy ingot portion arranges groove, the connection request of the base head dummy bar head special with continuous casting ellipse base can be met, be also convenient for deingot device and base head is disengaged with dummy bar head.
Accompanying drawing explanation
The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the three dimensional structure schematic diagram of the special dummy bar head embodiment of continuous casting ellipse base of the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the side view of Fig. 1.
Accompanying drawing labelling in figure: 1, dummy ingot portion；11, groove；12, the first inclined plane；13, the second inclined plane；14, the 3rd inclined plane；111, groove exocoel；112, groove inner chamber；113, wall surface；114, side wall surface；2, connecting portion；21, through hole is connected；22, lifting through hole.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1 to Figure 3, embodiments providing the dummy bar head that a kind of continuous casting ellipse base is special, the special dummy bar head of this continuous casting ellipse base includes dummy ingot portion 1 and connecting portion 2.Dummy ingot portion 1 is oval platy structure, along the centerline direction of this ellipse, the side surface configuration fluted 11 in dummy ingot portion 1.Connecting portion 2 is connected with the opposite side surface in dummy ingot portion 1 along the centerline direction of this ellipse, and connecting portion is provided with connection through hole 21.
Dummy ingot portion 1 is set to oval platy structure, can be suitable with the outlet shapes of crystallizer, dummy ingot portion 1 arranges groove, the connection request of the base head dummy bar head special with continuous casting ellipse base can be met, be also convenient for deingot device and base head is disengaged with dummy bar head.
Dummy ingot portion 1 in the embodiment of the present invention has major axis and short axle, and the span W of this major axis is 1200mm to 1600mm.The span H of this short axle is 700mm to 950mm.
As shown in figures 1 and 3, a side surface in the dummy ingot portion 1 in the embodiment of the present invention includes the first inclined plane the 12, second inclined plane 13 and the 3rd inclined plane 14 of being sequentially connected with.First inclined plane the 12, second inclined plane 13 and the 3rd inclined plane 14 and be perpendicular to this ellipse centrage plane between angle increase successively.In the embodiment of the present invention, the plane being perpendicular to the centrage of this ellipse is perpendicular, the angle of the first inclined plane 12 and perpendicular is the angle between 3 ° of second inclined plane 13 and perpendicular is 15 °, and the angle between the 3rd inclined plane 14 and perpendicular is 60 °.
Specifically, the intersection between the first inclined plane 12 and the second inclined plane 13 is parallel to the major axis of this ellipse, and the intersection between the second inclined plane 13 and the 3rd inclined plane 14 is also parallel with the major axis of this ellipse.Centerline direction along this ellipse, first inclined plane the 12, second inclined plane 13 and the 3rd inclined plane 14 are gradually towards the inner inclination of this dummy bar head, namely as it is shown on figure 3, first inclined plane the 12, second inclined plane 13 and the 3rd inclined plane 14 tilt towards the right side of this dummy bar head gradually.
Preferably, it is provided with the first arc transiting surface between first inclined plane 12 and the second inclined plane 13, it is provided with the second arc transiting surface between second inclined plane 13 and the 3rd inclined plane 14, the area sum of the area of the first inclined plane 12 area more than the second inclined plane 13 and the 3rd inclined plane 14, the area of the second inclined plane 13 is more than the area of the 3rd inclined plane 14.
As depicted in figs. 1 and 2, groove 11 is arranged along the short axle of this ellipse, and along the direction of this short axle, the length of groove 11 is the half of this minor axis length, and the position of groove 11 corresponds to the second inclined plane 13 and the 3rd inclined plane 14.
As it is shown in figure 1, groove 11 includes groove exocoel 111 and groove inner chamber 112.Groove exocoel 111 and groove inner chamber 112 set gradually along the centerline direction of this ellipse and groove inner chamber 112 is between groove exocoel 111 and connecting portion 2.Direction along this short axle, the outer end of the inner containing fluted inner chamber 112 of groove inner chamber 112 and groove inner chamber 112, groove inner chamber 112 passes through the outer end of groove inner chamber 112 and the ft connection of groove exocoel 111 and this dummy bar head, the volume of groove exocoel 111 is less than the volume of groove inner chamber 112, along the direction of the major axis of this ellipse, the width of groove exocoel 111 is less than the width of groove inner chamber 112.
The entrance of groove exocoel 111 is positioned in the second inclined plane 13, and the outer end of groove inner chamber 112 is positioned at the connection intermediate location of the 3rd inclined plane 14 and the second inclined plane 13 and the 3rd inclined plane 14, and the outer end of groove exocoel 111 connects with the entrance of groove inner chamber 112.
Groove inner chamber 112 is tapered, and the top of this taper is the inner of groove inner chamber 112, and the bottom of this taper is the outer end of groove inner chamber 112.The top end diameter of this taper is less than the bottom diameter of this taper.Groove exocoel 111 is surrounded by wall surface 113 and two side wall surfaces being parallel to each other 114, the centrage of this ellipse is positioned at wall surface 113, intersection between first inclined plane 12 and the second inclined plane 13 also is located in wall surface 113, and the inner of groove inner chamber 112 is concordant with wall surface 113.
The span of the size C suitable for reading of the groove exocoel 111 in the embodiment of the present invention is 175mm to 185mm.The span of inside dimensions D is 135mm to 145mm.The span that span is 360mm to 400mm, inside dimension B of the collar extension size A of groove inner chamber 112 is 290mm to 330mm.Chamfering R1 shown in figure is 30mm to 35mm.
As it is shown on figure 3, connecting portion 2 in the embodiment of the present invention is additionally provided with lifting through hole 22, lifting through hole 22 be connected the setting of through hole 21 interval.The connection through hole 21 arranged on connecting portion 2 is connected with changeover portion by bearing pin, and lifting through hole 22 is changed for the lifting of dummy bar head.
Preferably, the appearance profile 8mm to 14mm less of the copper pipe bottom size of crystallisation vessel of the dummy bar head that this continuous casting ellipse base is special.In use, the special dummy bar head of this continuous casting ellipse base is connected on dummy bar by changeover portion, when casting prepares, the special dummy bar head of this continuous casting ellipse base is admitted in crystallizer, is sealed in the gap of dummy bar head special for this continuous casting ellipse base Yu crystallizer with asbestos cord etc..Dummy ingot portion 1 is provided with groove, open water rear molten steel enter groove be frozen into strand head, by strand head, the strand forming green shell is drawn from crystallizer.After then passing through withdrawal straightening machine, deingot device dummy bar head special for continuous casting ellipse base is disengaged with base head, complete dummy bar head effect.
In from the description above, can be seen that, the above embodiments of the present invention achieve following technique effect: dummy ingot portion is set to oval platy structure, can be suitable with the outlet shapes of crystallizer, dummy ingot portion arranges groove, the connection request of the base head dummy bar head special with continuous casting ellipse base can be met, be also convenient for deingot device and base head is disengaged with dummy bar head.
The above, be only specific embodiments of the invention, it is impossible to limits, with it, the scope that invention is implemented, so the displacement of its equivalent assemblies, or the equivalent variations made according to scope of patent protection of the present invention and modification, all should still fall within the category that this patent is contained.It addition, all can independent assortment use between technical characteristic and technical characteristic in the present invention, between technical characteristic and technical scheme, between technical scheme and technical scheme.
Claims (9)
1. the dummy bar head that a continuous casting ellipse base is special, it is characterised in that the special dummy bar head of this continuous casting ellipse base includes:
Dummy ingot portion (1), dummy ingot portion (1) is oval platy structure, and along the centerline direction of this ellipse, the side surface configuration of dummy ingot portion (1) is fluted (11)；
Connecting portion (2), is connected with the opposite side surface of dummy ingot portion (1) along the centerline direction of this ellipse, and connecting portion is provided with connection through hole (21).
2. the dummy bar head that continuous casting ellipse base according to claim 1 is special, it is characterized in that, one side surface in dummy ingot portion (1) includes the first inclined plane (12), the second inclined plane (13) and the 3rd inclined plane (14) that are sequentially connected with, the first inclined plane (12), the second inclined plane (13) and the 3rd inclined plane (14) and be perpendicular to this ellipse centrage plane between angle increase successively.
3. the dummy bar head that continuous casting ellipse base according to claim 2 is special, it is characterized in that, intersection between first inclined plane (12) and the second inclined plane (13) is parallel to the major axis of this ellipse, intersection between second inclined plane (13) and the 3rd inclined plane (14) is also parallel with the major axis of this ellipse, along the centerline direction of this ellipse, the first inclined plane (12), the second inclined plane (13) and the 3rd inclined plane (14) are gradually towards the inner inclination of this dummy bar head.
4. the dummy bar head that continuous casting ellipse base according to claim 3 is special, it is characterized in that, it is provided with the first arc transiting surface between first inclined plane (12) and the second inclined plane (13), it is provided with the second arc transiting surface between second inclined plane (13) and the 3rd inclined plane (14), the area sum of the area of the first inclined plane (12) area more than the second inclined plane (13) and the 3rd inclined plane (14), the area of the second inclined plane (13) is more than the area of the 3rd inclined plane (14).
5. the dummy bar head that continuous casting ellipse base according to claim 3 is special, it is characterized in that, groove (11) is arranged along the short axle of this ellipse, direction along this short axle, the half that length is this minor axis length of groove (11), the position of groove (11) corresponds to the second inclined plane (13) and the 3rd inclined plane (14).
null6. the dummy bar head that continuous casting ellipse base according to claim 5 is special，It is characterized in that，Groove (11) includes groove exocoel (111) and groove inner chamber (112)，Groove exocoel (111) and groove inner chamber (112) set gradually along the centerline direction of this ellipse and groove inner chamber (112) is positioned between groove exocoel (111) and connecting portion (2)，The outer end of the inner containing fluted inner chamber (112) and groove inner chamber (112) along direction groove inner chamber (112) of this short axle，Groove inner chamber (112) is by the ft connection of the outer end of groove inner chamber (112) and groove exocoel (111) with this dummy bar head，The volume of groove exocoel (111) is less than the volume of groove inner chamber (112)，Direction along the major axis of this ellipse，The width of groove exocoel (111) is less than the width of groove inner chamber (112).
7. the dummy bar head that continuous casting ellipse base according to claim 6 is special, it is characterized in that, the entrance of groove exocoel (111) is positioned in the second inclined plane (13), the outer end of groove inner chamber (112) is positioned at the connection intermediate location of the 3rd inclined plane (14) and the second inclined plane (13) and the 3rd inclined plane (14), and the outer end of groove exocoel (111) connects with the entrance of groove inner chamber (112).
8. the dummy bar head that continuous casting ellipse base according to claim 6 is special, it is characterized in that, groove inner chamber (112) is tapered, the top of this taper is the inner of groove inner chamber (112), the bottom of this taper is the outer end of groove inner chamber (112), groove exocoel (111) is surrounded by wall surface (113) and two side wall surfaces being parallel to each other (114), the centrage of this ellipse is positioned at wall surface (113), intersection between first inclined plane (12) and the second inclined plane (13) also is located in the plane at wall surface (113) place, the inner of groove inner chamber (112) is concordant with wall surface (113).
9. the dummy bar head that continuous casting ellipse base according to claim 1 is special, it is characterised in that be additionally provided with lifting through hole (22) on connecting portion (2), lifts through hole (22) and is connected the setting of through hole (21) interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269661.3A CN105750517B (en) | 2016-04-27 | 2016-04-27 | The special dummy bar head of continuous casting ellipse base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269661.3A CN105750517B (en) | 2016-04-27 | 2016-04-27 | The special dummy bar head of continuous casting ellipse base |
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| Publication Number | Publication Date |
|---|---|
| CN105750517A true CN105750517A (en) | 2016-07-13 |
| CN105750517B CN105750517B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610269661.3A Active CN105750517B (en) | 2016-04-27 | 2016-04-27 | The special dummy bar head of continuous casting ellipse base |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06190515A (en) * | 1992-12-24 | 1994-07-12 | Nippon Steel Corp | Device and method for removing stuck material to inner surface of mold in continuous caster |
| CN201267866Y (en) * | 2008-09-23 | 2009-07-08 | 宝山钢铁股份有限公司 | Ingot leading device with automatically detached ingot for continuous casting machine |
| CN201366491Y (en) * | 2009-03-13 | 2009-12-23 | 鞍钢股份有限公司 | Novel dummy bar of square billet continuous casting machine |
| 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 |
| CN205147260U (en) * | 2015-09-29 | 2016-04-13 | 湖北新冶钢有限公司 | Dummy ingot head |
-
2016
- 2016-04-27 CN CN201610269661.3A patent/CN105750517B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06190515A (en) * | 1992-12-24 | 1994-07-12 | Nippon Steel Corp | Device and method for removing stuck material to inner surface of mold in continuous caster |
| CN201267866Y (en) * | 2008-09-23 | 2009-07-08 | 宝山钢铁股份有限公司 | Ingot leading device with automatically detached ingot for continuous casting machine |
| CN201366491Y (en) * | 2009-03-13 | 2009-12-23 | 鞍钢股份有限公司 | Novel dummy bar of square billet continuous casting machine |
| CN205147260U (en) * | 2015-09-29 | 2016-04-13 | 湖北新冶钢有限公司 | Dummy ingot head |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105750517B (en) | 2018-01-19 |
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