CN104190887A - Combined pouring lip device - Google Patents
Combined pouring lip device Download PDFInfo
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- CN104190887A CN104190887A CN201410468046.6A CN201410468046A CN104190887A CN 104190887 A CN104190887 A CN 104190887A CN 201410468046 A CN201410468046 A CN 201410468046A CN 104190887 A CN104190887 A CN 104190887A
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- lip
- branching block
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Abstract
The invention provides a combined pouring lip device which comprises a pouring lip. The pouring lip is composed of a bottom plate, a top plate, edge stops and a plurality of diverters; the bottom plate and the top plate are connected and fixed by the edge stops, the diverters are arranged on the bottom plate at intervals along the width of the lip, and the bottom plate, the top plate and the edge stops encircle to form a cavity. The combined pouring lip device further comprises a cross runner fixed to one end of the pouring lip; the diverters are arranged at positions close to one end of the cross runner and are abutted against the top plate; the cross runner is provided with a step-shaped liquid cavity which runs through both ends and is communicated with the cavity; the liquid cavity comprises a first step-shaped cavity unit, a communicating cavity unit and a second step-shaped cavity unit, the first step-shaped cavity unit extends vertically to form the communicating cavity unit, the communicating cavity unit extends vertically to form the second step-shaped cavity unit, and the second step-shaped cavity is higher than the first step-shaped cavity unit and is fixed to and communicated with the cavity. Compared with the prior art, the combined pouring lip device has the advantages that aluminum alloy melt in the pouring lip has high flow rate and uniform flowing and temperature distribution, the rate of deposition of slag of the aluminum alloy melt is low, and product quality is high.
Description
[technical field]
The present invention relates to aluminium alloy casting technical field, relate in particular to a kind of combination lip device.
[background technology]
In the strip casting process of aluminium alloy, aluminium alloy melt in the past case outflow enters lip after cross gate, finally by lip, flows into the passage between two Casting Rollers, until become blank by casting.
In correlation technique, lip comprises base plate, top board and be connected and fixed base plate and top board and be positioned at the limit portion block of lip both sides, base plate, top board and limit portion block enclose and form a cavity, one end of the close cross gate of cavity is the entrance of aluminium alloy melt, the other end is the outlet of aluminium alloy melt, one end of the close cross gate of cavity is interval with the some wedge shape branching blocks that are parallel to each other, one end away from cross gate of this branching block is triangular in shape, the other end is square, cross gate and lip are fixedly linked, cross gate has the liquid flow cavity that connects its two ends, liquid flow cavity be connected with cavity and the bottom surface of liquid flow cavity and the bottom surface of cavity at grade, the width of one end of the close cavity of liquid flow cavity is less than the width of one end of the close liquid flow cavity of cavity.
But because the entrance of the aluminium alloy melt of lip is narrower than outlet, the aluminium alloy melt flowing velocity that causes entering in lip is slower, easily form the deposition of slag, reduced product quality, add melt and trend towards flowing to a line of least resistance, the flow velocity in lip central interior region will be greater than the flow velocity of dual-side boundary region, thereby cause the aluminium alloy melt in lip to flow inhomogeneous, in lip, the temperature distributing disproportionation of aluminium alloy melt is even, and then cause product thickness inconsistent, quality is lower, in addition, in lip, the magnitude setting of branching block is at least 6, branching block piece number is more, easily form the flow blind angle of aluminium alloy melt, also easily cause the slag deposits of aluminium alloy melt.Thereby in correlation technique, lip exists aluminium alloy melt flow velocity slower, flow inhomogeneous, the deposition of slag is higher, the deficiency that product quality is lower.
Therefore, be necessary to provide a kind of new combination lip device to overcome above-mentioned technical problem in fact.
[summary of the invention]
The aluminium alloy melt flow velocity that the technical issues that need to address of the present invention are to provide in a kind of lip is very fast, flows evenly, and in aluminium alloy melt, the deposition of slag is lower, the combination lip device that product quality is higher.
A kind of combination lip of the present invention device, comprise lip, described lip comprises base plate, top board, be connected and fixed described base plate and described top board and be positioned at the limit portion block of described lip both sides and be disposed on the some branching blocks on described base plate along the width of described lip, described base plate, top board, limit portion block encloses and forms a cavity, described combination lip device also comprises the cross gate that is fixed on described lip one end, described branching block is arranged near one end of described cross gate and is connected to described top board, described cross gate is provided with the liquid flow cavity that connects its two ends and be connected with described cavity, described liquid flow cavity is step-like, described liquid flow cavity comprises first step chamber portion, by described first step chamber vertically extending connected chamber portion of portion and by the vertically extending second step of described connected chamber portion chamber portion, described second step chamber portion on horizontal level higher than described first step chamber portion, described second step chamber portion is fixedly communicated with described cavity.
Preferably, two the second branching blocks that described combination lip device comprises the first branching block on the center line that is positioned at described lip and is located at respectively described the first branching block both sides, described the second branching block is symmetrical set with respect to the first branching block, and described the first branching block is 0.15～0.3 to the ratio of the distance of described the second branching block and the width of described lip.
Preferably, one end away from described cross gate of described the second branching block is obliquely installed towards described limit portion block direction, and the long axis of described the second branching block and horizontal angle are 30 °～70 °.
Preferably, the two ends of the two ends of described the first branching block and described the second branching block are all curved, the cross-sectional area of described the first branching block is reduced to the other end gradually by the one end near described cross gate, and the cross-sectional area of described the second branching block is reduced to the other end gradually by the one end near described cross gate.
Preferably, the width of described the first branching block is greater than the width of described the second branching block.
Preferably, described cross gate is trapezoidal, and the width of one end of the close described lip of described cross gate is greater than the width of the other end.
Compare with correlation technique, beneficial effect of the present invention is, the aluminium alloy melt flow velocity in lip is very fast, flow evenly, and uniformity of temperature profile, in aluminium alloy melt, the deposition of slag is lower, and product quality is higher.
[accompanying drawing explanation]
Fig. 1 is the perspective view that the present invention combines lip device;
Fig. 2 is the perspective view that the present invention combines another angle of lip device;
Fig. 3 is the side view that the present invention combines lip device;
Fig. 4 is that the A-A of Fig. 3 is to cutaway view;
Fig. 5 is the top view that the present invention combines lip device;
Fig. 6 is that the B-B of Fig. 5 is to cutaway view.
[specific embodiment]
Below in conjunction with drawings and embodiments, the invention will be further described.
As shown in Fig. 1-Fig. 6, the present invention combines lip device 1 and comprises lip 2, lip 2 comprises base plate 21, top board 22, be connected and fixed base plate 21 with top board 22 and be positioned at the limit portion block 23 of lip 2 both sides and be disposed on the some branching blocks 4 on base plate 21 along lip 2 widths, 5, base plate 21, top board 22 encloses and forms a cavity 24 with limit portion block 23, this combination lip device 1 also comprises the cross gate 3 that is fixed on lip 2 one end, branching block 4, 5 are arranged on one end of close cross gate and are connected to top board 22, cross gate 3 is provided with the liquid flow cavity 34 that connects its two ends and be connected with cavity 24, cross gate 3 also comprises the upper plate 32 that is positioned at liquid flow cavity 34 tops and is fixedly linked with top board 22 and the lower plate 31 that is positioned at liquid flow cavity 34 bottoms and is fixedly linked with base plate 21, the thickness of one end of the close top board 22 of upper plate 32 is less than the thickness of its other end, the thickness of one end of the close base plate 21 of lower plate 31 is greater than the thickness of its other end, liquid flow cavity 34 is step-like, it comprises first step chamber portion 341, by vertically extending connected chamber portion of first step chamber portion 341 342 and by the vertically extending second step of connected chamber portion 342 chamber portion 343, second step chamber portion 343 on horizontal level higher than first step chamber portion 341, second step chamber portion 343 is fixedly communicated with cavity 24.
By being the setting of step-like liquid flow cavity 34, aluminium alloy melt is subject to the lower plate 31 of cross gate 3 and stopping of upper plate 32 after flowing into cross gate 3, and fail to flow directly in lip 2, but first flow to both sides, guaranteed that the interior middle section in stream stream chamber 34 is consistent with the aluminium alloy melt height in dual-side portion region, treating that whole aluminium alloy melt rises in liquid flow cavity 34 enough highly just flows in lip 2, thus, reduced the flow velocity of the aluminium alloy melt of lip 2 interior middle sections, make the aluminium alloy melt in whole lip 2 flow more even, and then the distribution of temperature is also more even, in aluminium alloy melt, the deposition of slag is less, sediment rate is lower, product quality is better.Aforementioned width is the directions X in Fig. 4.
In present embodiment, two the second branching blocks 5 that combination lip device 1 comprises the first branching block 4 on the center line that is positioned at lip 2 and is located at respectively the first branching block 4 both sides, the second branching block 5 is symmetrical set with respect to this center line, also with respect to the first branching block 4, be symmetrical set, this center line is the center line perpendicular to lip 2 widths, and the ratio of first distance of branching block 4 to second branching blocks 5 and the width of lip 2 is 0.15～0.3.Thus, by reducing the piece number of branching block, improved the flow velocity in lip 2 of aluminium alloy melt, also reduced the generation of the flow blind angle of aluminium alloy melt in lip 2, reduced slag deposits, by regulating the spacing of the first branching block 4 and the second shunting 5, make flowing of aluminium alloy melt more even.
In present embodiment, one end away from cross gate 3 of two second branching blocks 5 is obliquely installed towards limit portion block 23 directions, and the long axis of the second branching block 5 and horizontal angle c, c ' are 30 °～70 °.This horizontal line refers to the straight line parallel with directions X, and the second branching block 5 be take its one end near cross gate 3 as rotating shaft, its other end away from cross gate 3 towards the direction rotation away from the first branching block 4 20 °～60 °.Thus, further control the flow direction of aluminium alloy melt, strengthened mobile uniformity.
In present embodiment, the two ends of the two ends of the first branching block 4 and the second branching block 5 are all curved, the cross-sectional area of the first branching block 4 is reduced to the other end gradually by the one end near cross gate 3, and the cross-sectional area of the second branching block 5 is reduced to the other end gradually by the one end near cross gate 3.Thus, be conducive to improve the flow velocity of aluminium alloy melt, it flowed more smooth and easy, strengthen mobile uniformity, meanwhile, prevent the generation of branching block front end flow blind angle.
In present embodiment, the width of the first branching block 4 is greater than the width of the second branching block 5.Thereby effectively controlled the flow velocity of the aluminium alloy melt of lip 2 interior middle sections, made flowing of aluminium alloy melt more even.
In present embodiment, the width of one end of the close cavity 24 of liquid flow cavity 34 equals the width of one end of the close liquid flow cavity 34 of cavity 24.Thus, effectively reduced the limit portion region of lip 2 interior both sides and the difference of middle section flow velocity, made flowing of aluminium alloy melt more even.
In present embodiment, cross gate 3 is trapezoidal, and the width of one end of the close lip 2 of cross gate 3 is greater than the width of the other end of described cross gate 3.Thus, be conducive to aluminium alloy melt flowing in cross gate 3 and lip 2, be also conducive to reduce material cost.
Compare with correlation technique, beneficial effect of the present invention is, the aluminium alloy melt flow velocity in lip is very fast, flow evenly, and uniformity of temperature profile, in aluminium alloy melt, the deposition of slag is lower, and product quality is higher.
Above-described is only embodiments of the present invention, at this, it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (6)
1. one kind is combined lip device, comprise lip, described lip comprises base plate, top board, be connected and fixed described base plate and described top board and be positioned at the limit portion block of described lip both sides and be disposed on the some branching blocks on described base plate along the width of described lip, described base plate, top board, limit portion block encloses and forms a cavity, it is characterized in that: described combination lip device also comprises the cross gate that is fixed on described lip one end, described branching block is arranged near one end of described cross gate and is connected to described top board, described cross gate is provided with the liquid flow cavity that connects its two ends and be connected with described cavity, described liquid flow cavity is step-like, described liquid flow cavity comprises first step chamber portion, by described first step chamber vertically extending connected chamber portion of portion and by the vertically extending second step of described connected chamber portion chamber portion, described second step chamber portion on horizontal level higher than described first step chamber portion, described second step chamber portion is fixedly communicated with described cavity.
2. lip combination unit according to claim 1, it is characterized in that: two the second branching blocks that described combination lip device comprises the first branching block on the center line that is positioned at described lip and is located at respectively described the first branching block both sides, described the second branching block is symmetrical set with respect to the first branching block, and described the first branching block is 0.15～0.3 to the ratio of the distance of described the second branching block and the width of described lip.
3. lip combination unit according to claim 2, is characterized in that: one end away from described cross gate of described the second branching block is obliquely installed towards described limit portion block direction, and the long axis of described the second branching block and horizontal angle are 30 °～70 °.
4. lip combination unit according to claim 3, it is characterized in that: the two ends of the two ends of described the first branching block and described the second branching block are all curved, the cross-sectional area of described the first branching block is reduced to the other end gradually by the one end near described cross gate, and the cross-sectional area of described the second branching block is reduced to the other end gradually by the one end near described cross gate.
5. lip combination unit according to claim 4, is characterized in that: the width of described the first branching block is greater than the width of described the second branching block.
6. lip combination unit according to claim 5, is characterized in that: described cross gate is trapezoidal, and the width of one end of the close described lip of described cross gate is greater than the width of the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468046.6A CN104190887B (en) | 2014-09-15 | 2014-09-15 | Combination lip device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468046.6A CN104190887B (en) | 2014-09-15 | 2014-09-15 | Combination lip device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104190887A true CN104190887A (en) | 2014-12-10 |
| CN104190887B CN104190887B (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410468046.6A Active CN104190887B (en) | 2014-09-15 | 2014-09-15 | Combination lip device |
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| CN (1) | CN104190887B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245517A (en) * | 2020-02-07 | 2021-08-13 | 晟通科技集团有限公司 | Casting nozzle |
Citations (6)
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|---|---|---|---|---|
| CN1364672A (en) * | 2001-01-12 | 2002-08-21 | 中南大学 | Quick solidifying casting and rolling lip die cavity flow distribution controller |
| CN101323011A (en) * | 2008-07-21 | 2008-12-17 | 镇江鼎胜铝业有限公司 | Casting lip |
| CN101628298A (en) * | 2009-08-05 | 2010-01-20 | 苏州有色金属研究院有限公司 | Casting mouth for cast-rolling magnesium alloy |
| CN101745613A (en) * | 2008-11-28 | 2010-06-23 | 富士胶片株式会社 | Device for manufacturing aluminum alloy plate for lithographic printing plate |
| CN201693147U (en) * | 2010-02-19 | 2011-01-05 | 华北铝业有限公司 | Cast-rolling material feeding nozzle |
| CN204035502U (en) * | 2014-09-15 | 2014-12-24 | 晟通科技集团有限公司 | Combination lip device |
-
2014
- 2014-09-15 CN CN201410468046.6A patent/CN104190887B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1364672A (en) * | 2001-01-12 | 2002-08-21 | 中南大学 | Quick solidifying casting and rolling lip die cavity flow distribution controller |
| CN101323011A (en) * | 2008-07-21 | 2008-12-17 | 镇江鼎胜铝业有限公司 | Casting lip |
| CN101745613A (en) * | 2008-11-28 | 2010-06-23 | 富士胶片株式会社 | Device for manufacturing aluminum alloy plate for lithographic printing plate |
| CN101628298A (en) * | 2009-08-05 | 2010-01-20 | 苏州有色金属研究院有限公司 | Casting mouth for cast-rolling magnesium alloy |
| CN201693147U (en) * | 2010-02-19 | 2011-01-05 | 华北铝业有限公司 | Cast-rolling material feeding nozzle |
| CN204035502U (en) * | 2014-09-15 | 2014-12-24 | 晟通科技集团有限公司 | Combination lip device |
Non-Patent Citations (2)
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| 刘晓波等: "铝铸轧铸嘴分流块对型腔流场影响的研究", 《轻合金加工技术》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245517A (en) * | 2020-02-07 | 2021-08-13 | 晟通科技集团有限公司 | Casting nozzle |
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| CN104190887B (en) | 2017-06-06 |
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