Tundish impact plate device
By designing a mid-pack impact plate device with fixed and reduced speed structures, the problem of insufficient impact resistance of existing impact plates is solved, and the stable flow of molten steel and the safe fixation of impact plates are achieved, which extends the service life and reduces safety hazards.
Patent Information
- Application Number
- CN202421180178.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing tundra impact plates have poor impact resistance, are prone to damage and are easily floating, which poses safety hazards.
A mid-pack impact plate device is designed, including a first half-blade and a second half-blade, fixed in the middle-pack by a pinching mechanism, a slope surface and an inner cavity are arranged to prevent floating, and a wear-resistant material and a speed reduction groove are used. Reduce the impact of molten steel and prevent the splash of molten steel.
Effectively prevent the impact plate from floating and damage when the steel is impacted, extends the service life, and prevents the steel from splashing through the speed reduction groove and the anti-splash groove, improving safety.
Smart Images
Figure CN222359266U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of impact plates, in particular to a middle bag impact plate device. Background Art
[0002] With the advancement of science and technology, the refining and smelting of steel are becoming more and more precise. The tundish is a refractory container used in the short-process steelmaking process. The ladle pours the molten steel into the tundish, and the tundish then moves the molten steel and pours the molten steel into the inner crystallizer for cooling and solidification. The impact plate is the most important component in the tundish and is used to withstand the impact of the poured molten steel. The impact resistance of the impact plate directly affects the safety and service life of the ladle. However, the impact resistance of the existing tundish impact plate is not ideal and is easily damaged by the impact of the molten steel. At the same time, the impact plate is easy to float, which poses a safety hazard. Utility Model Content
[0003] The purpose of the utility model is to provide a middle package impact plate device to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a middle ladle impact plate device, comprising a first semicircular sheet, a second semicircular sheet is arranged on one side of the first semicircular sheet, and the side surface of the second semicircular sheet is fitted with the side surface of the first semicircular sheet, and the side surfaces of the first semicircular sheet and the second semicircular sheet are respectively provided with slope surfaces, the first semicircular sheet and the second semicircular sheet are provided with inner cavities inside, and the inner cavities are arranged in a semicircular shape, a tightening mechanism is arranged between the first semicircular sheet and the second semicircular sheet, and the first semicircular sheet and the second semicircular sheet are fixed in the middle ladle by the tightening mechanism to prevent the first semicircular sheet and the second semicircular sheet from floating up when pouring molten steel.
[0005] Preferably, the tightening mechanism includes: ejector plates, which are respectively arranged on the outer surfaces of the first semicircular plate and the second semicircular plate, and a gap is left between the ejector plates, the side surfaces of the ejector plates are respectively penetrated by through holes, and screws are arranged in the through holes of the ejector plates, nuts are threadedly installed on the outer surfaces of the screws, and the nuts are located between the ejector plates, and the outer surfaces of the first semicircular plate and the second semicircular plate at one end away from the slope surface are provided with engaging anti-slip grooves.
[0006] By adopting the above technical solution, the first semicircular sheet and the second semicircular sheet can be placed in the tundish, and then the screw is inserted into the ejector sheet, and then the nut is screwed into the screw, and then the first semicircular sheet and the second semicircular sheet are pushed open by tightening the nut, and the first semicircular sheet and the second semicircular sheet are clamped inside the tundish, and the fixation with the tundish is strengthened by engaging the anti-slip groove.
[0007] Preferably, anti-splash grooves are respectively provided inside the first semicircular piece and the second semicircular piece, and the anti-splash grooves are located at one end of the first semicircular piece and the second semicircular piece away from the inner cavity, and the anti-splash grooves are arc-shaped.
[0008] By adopting the above technical solution, after pouring the molten steel, the molten steel will move along the inclined surface of the inner cavity, so that the molten steel moves along the anti-splashing groove to prevent the molten steel from directly rushing out of the ladle.
[0009] Preferably, impact cones are provided inside the first semicircular piece and the second semicircular piece, and steps are provided on the outer surface of the impact cone, and a wear-resistant material is fixedly installed on the end of the impact cone away from the inner cavity, and the outer surface of the impact cone fits with the outer surface of the inner cavity.
[0010] By adopting the above technical solution, the wear-resistant material can slow down and separate the molten steel after it is poured into the tundish, and the steps can reduce the impact of the molten steel.
[0011] Preferably, a deceleration groove is fixedly installed at one end of the impact cone away from the wear-resistant material, and the deceleration groove is circular in design, and the deceleration groove is triangular in design, the outer surface of one end of the deceleration groove is in contact with the outer surface of the first semicircular piece and the snap-fit anti-slip groove, and the deceleration groove is concentric with the impact cone, and the impact cone is concentric with the first semicircular piece and the snap-fit anti-slip groove.
[0012] By adopting the above technical solution, the molten steel can be decelerated again by inclining the impact cone so that the molten steel passes through the deceleration groove.
[0013] Preferably, a snap-fit mechanism is provided between the impact cone, the first semicircular piece and the snap-fit anti-slip groove, and the impact cone is fixed by the snap-fit mechanism.
[0014] By adopting the above technical solution, the impact cone can be fixed and removed by opening and closing the first semicircular piece and the second semicircular piece.
[0015] Preferably, the locking mechanism includes: an inner groove, which is opened inside the impact cone, and the impact cone and the inner groove are concentrically designed, and the inner surfaces of the first semicircular piece and the second semicircular piece are fixedly installed with inner clamping columns, and the inner clamping columns are locked with the inner groove.
[0016] By adopting the above technical solution, the inner groove can be driven to move after the first semicircular piece and the second semicircular piece are opened, and the impact cone can be fixed by the engagement of the inner groove with the inner clamping column.
[0017] Compared with the prior art, the utility model has the following beneficial effects: the middle package impact plate device:
[0018] 1. When installing the impact plate, the first semicircular sheet and the second semicircular sheet can be placed in the tundish, so that the first semicircular sheet and the second semicircular sheet are placed at the bottom of the tundish, and then the nut is placed between the ejection sheets, and then the screw is inserted into the ejection sheet, and the nut is screwed into the screw, and then the nut is screwed to make the nut fit with the ejection sheet, and the first semicircular sheet and the second semicircular sheet are pushed open by the rotation of the nut, so that the engaging anti-skid groove supports the inner wall of the tundish, and the impact plate is fixed to the bottom of the tundish to prevent the impact plate from floating up when pouring molten steel, causing damage to the impact plate and affecting the service life of the impact plate;
[0019] 2. When the molten steel is poured between the first semicircular sheet and the second semicircular sheet, the molten steel will first contact the wear-resistant material to separate the molten steel, and then the molten steel will contact the step to slow down the falling speed of the molten steel. At the same time, the deceleration groove will slow down the molten steel again. Then the molten steel will follow the arc of the inner cavity and cooperate with the anti-splashing groove to prevent the molten steel from flying out of the tundish when pouring;
[0020] 3. When installing the impact cone, you only need to insert the impact cone into the inner clamping column so that the inner clamping column and the inner groove are embedded. Then, the first semicircular piece and the second semicircular piece are pushed apart by the nut to separate the inner clamping column and engage the inner clamping column with the inner groove to fix the impact cone in the inner cavity. At the same time, the impact cone can be easily removed and the remaining materials can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the top view structure of the utility model;
[0023] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-section structure at point A in the middle;
[0024] Figure 4 This is a schematic diagram of the cutaway three-dimensional structure of the impact cone and the inner clamping column of the utility model;
[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the second semicircular piece and the inner cavity of the utility model;
[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the first semicircular piece and the impact cone in cross section of the utility model.
[0027] In the figure: 1. first semicircular piece; 2. engaging anti-skid groove; 3. second semicircular piece; 4. inner cavity; 5. ejector piece; 6. screw; 7. nut; 8. anti-splash groove; 9. impact cone; 10. wear-resistant material; 11. deceleration groove; 12. inner groove; 13. inner clamping column; 14. slope surface; 15. step. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] See also Figure 1-6 The utility model provides a technical solution: a middle package impact plate device, comprising a first semicircular sheet 1, a second semicircular sheet 3 is arranged on one side of the first semicircular sheet 1, and the side surface of the second semicircular sheet 3 is in contact with the side surface of the first semicircular sheet 1, and the side surfaces of the first semicircular sheet 1 and the second semicircular sheet 3 are respectively provided with a slope surface 14, an inner cavity 4 is arranged inside the first semicircular sheet 1 and the second semicircular sheet 3, and the inner cavity 4 is arranged in a semicircular shape, and a tightening mechanism is arranged between the first semicircular sheet 1 and the second semicircular sheet 3, and the first semicircular sheet 1 and the second semicircular sheet 3 are tightened by the tightening mechanism. The sheet 3 is fixed in the tundish to prevent the first semicircular sheet 1 and the second semicircular sheet 3 from floating up when pouring molten steel. The tightening mechanism includes: ejector sheets 5, which are respectively arranged on the outer surfaces of the first semicircular sheet 1 and the second semicircular sheet 3, and gaps are left between the ejector sheets 5. Through holes are respectively penetrated on the side surfaces of the ejector sheets 5, and screws 6 are arranged in the through holes of the ejector sheets 5. Nuts 7 are threadedly installed on the outer surfaces of the screws 6, and the nuts 7 are located between the ejector sheets 5. The outer surfaces of the first semicircular sheet 1 and the second semicircular sheet 3 away from the slope surface 14 are provided with locking anti-slip grooves 2.
[0030] When installing the impact plate, it is only necessary to place the first semicircular piece 1 and the second semicircular piece 3 at the bottom of the tundish, then place the nut 7 between the ejection pieces 5, and then insert the screw 6 into the ejection piece 5, so that the nut 7 is turned into the screw 6, and then the first semicircular piece 1 and the second semicircular piece 3 are pushed out by rotating the nut 7, so that the first semicircular piece 1 and the second semicircular piece 3 are fitted with the inner wall of the tundish, and at the same time, the fixation with the tundish is reinforced by engaging the anti-skid groove 2 to prevent the impact plate from floating up and causing damage when the molten steel is poured, thereby extending the service life of the impact plate.
[0031] Anti-splash grooves 8 are respectively provided inside the first semicircular piece 1 and the second semicircular piece 3, and the anti-splash grooves 8 are located at the end of the first semicircular piece 1 and the second semicircular piece 3 away from the inner cavity 4, and the anti-splash grooves 8 are arc-shaped, impact cones 9 are provided inside the first semicircular piece 1 and the second semicircular piece 3, and the outer surface of the impact cone 9 is provided with a step 15, and a wear-resistant material 10 is fixedly installed on the end of the impact cone 9 away from the inner cavity 4, and the outer surface of the impact cone 9 is fitted with the outer surface of the inner cavity 4, and a deceleration groove 11 is fixedly installed on the end of the impact cone 9 away from the wear-resistant material 10, and the deceleration groove 11 is circular in design, and the deceleration groove 11 is triangular in design, the outer surface of one end of the deceleration groove 11 is fitted with the outer surface of the first semicircular piece 1 and the engaging anti-skid groove 2, and the deceleration groove 11 is concentric with the impact cone 9, and the impact cone 9 is concentric with the first semicircular piece 1 and the engaging anti-skid groove 2.
[0032] After the molten steel is poured in, it will contact the wear-resistant material 10 first, and the wear-resistant material 10 will reduce the wear on the impact plate and separate the molten steel at the same time. Then, the step 15 will slow down the downward speed of the molten steel, and the deceleration groove 11 will block the molten steel and slow it down again, so that the molten steel will reach the anti-splash groove 8 along the arc surface of the inner cavity 4, so that the molten steel will not splash out of the middle package due to the impact force of the fall, and at the same time, the service life of the impact cone 9 can be extended by buffering.
[0033] A locking mechanism is arranged between the impact cone 9, the first semicircular piece 1 and the locking anti-slip groove 2, and the impact cone 9 is fixed by the locking mechanism. The locking mechanism includes: an inner groove 12, the inner groove 12 is opened inside the impact cone 9, and the impact cone 9 and the inner groove 12 are concentrically designed, and the inner surfaces of the first semicircular piece 1 and the second semicircular piece 3 are fixedly installed with an inner clamping column 13, and the inner clamping column 13 is engaged with the inner groove 12.
[0034] The impact cone 9 is placed into the inner cavity 4, and the inner clamping column 13 is inserted into the inner groove 12. Then, the first semicircular piece 1 and the second semicircular piece 3 are pushed out by twisting the nut 7 and cooperating with the screw 6. The inner clamping column 13 can be driven to move along with the movement of the first semicircular piece 1 and the second semicircular piece 3, so that the inner clamping column 13 and the inner groove 12 are engaged to fix the impact cone 9. When the impact cone 9 needs to be replaced, it is only necessary to loosen the nut 7 and the screw 6 to loosen the first semicircular piece 1 and the second semicircular piece 3, so that the inner groove 12 and the inner clamping column 13 are disengaged, and the impact cone 9 and the reduction groove 11 can be removed. When the first semicircular piece 1 and the second semicircular piece 3 are taken out and lifted, the slope surface 14 can push open the remaining steel slag protruding from the side wall, which is convenient for the convenient replacement of the impact cone 9. At the same time, the removed residual impact cone 9 and the reduction groove 11 can be recycled and reused.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A middle bag impact plate device, comprising a first semicircular sheet (1), a second semicircular sheet (3) is arranged on one side of the first semicircular sheet (1), and the side surface of the second semicircular sheet (3) is in contact with the side surface of the first semicircular sheet (1), and the side surfaces of the first semicircular sheet (1) and the second semicircular sheet (3) are respectively provided with a slope surface (14), the first semicircular sheet (1) and the second semicircular sheet (3) are provided with an inner cavity (4), and the inner cavity (4) is arranged in a semicircular shape, characterized in that: A tightening mechanism is provided between the first semicircular sheet (1) and the second semicircular sheet (3), and the first semicircular sheet (1) and the second semicircular sheet (3) are fixed in the tundish by the tightening mechanism to prevent the first semicircular sheet (1) and the second semicircular sheet (3) from floating when pouring molten steel.
2. A middle bag impact plate device according to claim 1, characterized in that: The tightening mechanism comprises: ejection pieces (5), the ejection pieces (5) are respectively arranged on the outer surfaces of the first semicircular piece (1) and the second semicircular piece (3), and a gap is left between the ejection pieces (5); the side surfaces of the ejection pieces (5) are respectively penetrated with through holes, and screws (6) are arranged in the through holes of the ejection pieces (5); nuts (7) are threadedly installed on the outer surfaces of the screws (6), and the nuts (7) are located between the ejection pieces (5); and the outer surfaces of the first semicircular piece (1) and the second semicircular piece (3) at one end away from the slope surface (14) are provided with a snap-fit anti-slip groove (2).
3. The middle bag impact plate device according to claim 1, characterized in that: The first semicircular sheet (1) and the second semicircular sheet (3) are each provided with an anti-splash groove (8), and the anti-splash groove (8) is located at one end of the first semicircular sheet (1) and the second semicircular sheet (3) away from the inner cavity (4), and the anti-splash groove (8) is in an arc shape.
4. The middle bag impact plate device according to claim 1, characterized in that: An impact cone (9) is arranged inside the first semicircular sheet (1) and the second semicircular sheet (3), and a step (15) is arranged on the outer surface of the impact cone (9). A wear-resistant material (10) is fixedly mounted on one end of the impact cone (9) away from the inner cavity (4), and the outer surface of the impact cone (9) is in contact with the outer surface of the inner cavity (4).
5. A middle bag impact plate device according to claim 4, characterized in that: A deceleration groove (11) is fixedly mounted on one end of the impact cone (9) away from the wear-resistant material (10), and the deceleration groove (11) is circular in design, and the deceleration groove (11) is triangular in design, and the outer surface of one end of the deceleration groove (11) fits with the outer surfaces of the first semicircular sheet (1) and the engaging anti-skid groove (2), and the deceleration groove (11) and the impact cone (9) are concentric in design, and the impact cone (9) and the first semicircular sheet (1) and the engaging anti-skid groove (2) are concentric in design.
6. A middle bag impact plate device according to claim 4, characterized in that: A snap-fit mechanism is provided between the impact cone (9), the first semicircular piece (1) and the snap-fit anti-slip groove (2), and the impact cone (9) is fixed by the snap-fit mechanism.
7. A middle bag impact plate device according to claim 6, characterized in that: The engaging mechanism comprises: an inner groove (12), the inner groove (12) being arranged inside the impact cone (9), and the impact cone (9) and the inner groove (12) being of concentric design; an inner clamping column (13) being fixedly mounted on the inner surfaces of the first semicircular sheet (1) and the second semicircular sheet (3), and the inner clamping column (13) being engaged with the inner groove (12).