Efficient low-nitrogen manganese ingot casting forming device

Abstract

The utility model discloses a high-efficiency low-nitrogen manganese ingot casting molding device, relates to the technical field of casting molds, and aims to solve the problems that the surface of liquid manganese injected into the current manganese ingot casting molding device is in high contact with air, so that the liquid manganese is easy to be excessively combined with nitrogen in the air in the process of gradually cooling the high temperature, and the service life of the manganese ingot is prolonged. The low-nitrogen manganese ingot forming device comprises a forming die, hoisting structures are constructed at the top ends of the two sides of the outer edge face of the forming die, and a circular-truncated-cone-shaped inverted forming cavity used for cooling forming of liquid manganese is formed in the forming die. According to the utility model, the inverted circular-truncated-cone-shaped forming cavity is adopted, so that the contact area between liquid manganese and air is remarkably reduced, the problem that the liquid manganese is excessively combined with nitrogen in the air in the process of cooling from a high-temperature state is solved, and the nitrogen content standard in a low-nitrogen manganese ingot is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to casting mould technical field more specifically, relate to a kind of high-efficiency low-nitrogen manganese ingot casting forming device. BACKGROUND

[0002] Currently, in the production process of metal manganese ingot, when liquid manganese is injected into the traditional mold for casting, it is in contact with air in a large area during the process of liquid state, cooling and solidification. At high temperature, it fully combines with nitrogen in the air, increasing the nitrogen content in the manganese ingot, which can reach 0.8% at the highest.

[0003] The manganese ingot casting forming device in the prior art has a simple structure, mostly rectangular structure, so that the surface of liquid manganese is in high contact with air during injection. During the process of gradually cooling at high temperature, it is easy to excessively combine with nitrogen in the air, resulting in excessive manganese-nitrogen compounds in low-nitrogen manganese ingot, which leads to high nitrogen content in manganese ingot. In view of this, we propose a high-efficiency low-nitrogen manganese ingot casting forming device. SUMMARY

[0004] The utility model aims to overcome the shortcomings of the prior art, meet the needs of reality, and provide a high-efficiency low-nitrogen manganese ingot casting forming device to solve the technical problem that the surface of liquid manganese injected into the current manganese ingot casting forming device is in high contact with air, which leads to excessive combination with nitrogen in the air during the process of gradually cooling at high temperature, resulting in excessive manganese-nitrogen compounds in low-nitrogen manganese ingot, which leads to high nitrogen content in manganese ingot.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a high-efficiency low-nitrogen manganese ingot casting forming device, comprising a forming mold;

[0006] The top end of both sides of the outer edge surface of the forming mold is provided with a lifting structure, and the forming mold is provided with a circular inverted forming cavity for cooling and forming of liquid manganese. The inner wall of the circular inverted forming cavity is in contact with the ground to form an inner chamfer;

[0007] The height of the inner chamfer is 50 to 80 cm, the outer diameter of the inner chamfer is 1 m, the inner diameter is 80 cm, and the inclination angle of the inner wall of the inner chamfer is 75 degrees.

[0008] The utility model discloses a setting of inverted circular table shape forming cavity in the forming die, because the inverted circular table shape forming cavity is adopted, the surface area of the top and air contact constantly promotes along with the rising of liquid level in the process of liquid manganese injection, compared with the traditional rectangular die, the contact area of liquid manganese and air is reduced significantly in the process of injecting liquid manganese, thereby the problem of excessive combination of liquid manganese and nitrogen in air in the process of reducing temperature from high temperature state is reduced, and the nitrogen content standard in the low nitrogen manganese ingot is effectively guaranteed.

[0009] Preferably, the top end of the forming die is symmetrically provided with two arc-shaped positioning keys, and the opposite surfaces of the two arc-shaped positioning keys are each centrally provided with a limiting key.

[0010] Preferably, the bottom end of the forming die is symmetrically provided with two arc-shaped positioning grooves, and the arc-shaped positioning keys are inserted into the corresponding arc-shaped positioning grooves.

[0011] Preferably, the bottom end of the forming die is symmetrically provided with two limiting grooves corresponding to the arc-shaped positioning grooves, and the two limiting grooves are connected to each other, and the limiting keys are inserted into the corresponding limiting grooves.

[0012] Preferably, the hoisting structure comprises a convex seat, the convex seat is arranged at the top of the outer edge surface of the forming die, a hoisting rod is arranged at the center of the side away from the forming die, and anti-skid surfaces are arranged at the top and bottom of the outer edge surface of the hoisting rod.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a setting of inverted circular table shape forming cavity in the forming die, because the inverted circular table shape forming cavity is adopted, the surface area of the top and air contact constantly promotes along with the rising of liquid level in the process of liquid manganese injection, compared with the traditional rectangular die, the contact area of liquid manganese and air is reduced significantly in the process of injecting liquid manganese, thereby the problem of excessive combination of liquid manganese and nitrogen in air in the process of reducing temperature from high temperature state is reduced, and the nitrogen content standard in the low nitrogen manganese ingot is effectively guaranteed.

[0015] 2、The utility model discloses that the two arc-shaped positioning keys with limiting keys are arranged on the two sides of the forming die, in the cooling process, the two forming dies below can support the forming die above, and the two arc-shaped positioning keys with limiting keys are inserted into the corresponding arc-shaped positioning grooves and limiting grooves, so that the forming dies can be stacked within the specified bearing range, the area occupied by the metal manganese ingot in the cooling process is greatly reduced, and the processing efficiency of the metal manganese ingot is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1The utility model discloses a structure schematic diagram under the stacking state.

[0017] Fig. 2 The utility model discloses a whole structure schematic diagram.

[0018] Fig. 3 The utility model discloses a structure schematic diagram under the upward state.

[0019] Mark explanation in drawing:

[0020] 1, forming die, 2, inverted circular table forming cavity, 201, inner chamfer, 3, convex base, 4, hoisting rod, 401, antiskid surface, 5, arc positioning key, 6, limiting key, 7, arc positioning groove, 8, limiting groove. Specific implementation

[0021] As Figs. 1 to 3 The utility model relates to a kind of high-efficiency low-nitrogen manganese ingot casting forming devices, including forming die 1;

[0022] The top of the outer edge surface of forming die 1 is provided with a lifting structure, and the forming die 1 is provided with an inverted circular table forming cavity 2 for cooling and forming of liquid manganese. The inner wall of the inverted circular table forming cavity 2 is provided with an inner chamfer 201 at the contact position with the ground. The height of the inner chamfer 201 is 50-80 cm, the outer diameter of the inner chamfer 201 is 1 m, the inner diameter is 80 cm, and the inclination angle of the inner wall of the inner chamfer 201 is 75 degrees. The inverted circular table forming cavity 2 is provided in the forming die 1. During the injection of liquid manganese, the surface area of the top in contact with air continuously increases with the rising of the liquid level. Compared with the traditional rectangular mold, the contact area of liquid manganese and air is significantly reduced during the injection of liquid manganese, thereby reducing the problem of excessive combination of nitrogen in the air during the cooling process of liquid manganese from high temperature state, and effectively ensuring the nitrogen content standard in the low-nitrogen manganese ingot.

[0023] In the embodiment of the utility model, the top of the forming die 1 is symmetrically provided with two arc-shaped positioning keys 5, and the opposite sides of the two arc-shaped positioning keys 5 are centrally provided with limiting keys 6; the bottom of the forming die 1 is symmetrically provided with two arc-shaped positioning grooves 7, and the arc-shaped positioning keys 5 are inserted into the corresponding arc-shaped positioning grooves 7; the bottom of the forming die 1 is symmetrically provided with two limiting grooves 8 corresponding to the arc-shaped positioning grooves 7, and the two limiting grooves 8 are connected to each other; and the limiting keys 6 are inserted into the corresponding limiting grooves 8. Through the arc-shaped positioning keys 5 provided with limiting keys 6 on both sides of the forming die 1, the two forming dies 1 below can support the forming die 1 above during the cooling process, and the arc-shaped positioning keys 5 provided with limiting keys 6 are inserted into the corresponding arc-shaped positioning grooves 7 and limiting grooves 8, so that the forming dies 1 can be stacked within a specified bearing range, the land area during the cooling process of the metal manganese ingot is greatly reduced, and the processing efficiency of the metal manganese ingot is greatly improved.

[0024] In the embodiment of the utility model, the lifting structure comprises a convex base 3, the convex base 3 is arranged on the top of the outer edge surface of the forming die 1, and a lifting rod 4 is arranged at the center of the side of the convex base 3 away from the forming die 1; and anti-skid surfaces 401 are arranged on the top and bottom of the outer edge surface of the lifting rod 4.

[0025] Working principle: the embodiment provides a high-efficiency low-nitrogen manganese ingot casting forming device. When in use, liquid manganese is poured into a specified forming die 1 through a ladle, so that the liquid level is gradually raised in the inverted circular table-shaped forming cavity 2, and the surface area in contact with air is effectively reduced. After the pouring of the liquid manganese is completed, the forming die 1 can be moved to a specified position for placement by a lifting device in cooperation with the two convex bases 3 provided with lifting rods 4 on both sides of the forming die 1. The subsequent forming die 1 can be stacked above the two adjacent forming dies 1. By inserting the arc-shaped positioning keys 5 provided with limiting keys 6 into the corresponding arc-shaped positioning grooves 7 and limiting grooves 8, the forming dies 1 can be stacked within a specified bearing range, the land area during the cooling process of the metal manganese ingot is greatly reduced, and the processing efficiency of the metal manganese ingot is greatly improved.

[0026] The embodiment of the utility model discloses the preferable embodiment, but is not limited to this, the ordinary skill in the art, the spirit of the utility model is easily understood according to the above-mentioned embodiment, and different induction and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A high-efficiency low-nitrogen manganese ingot casting forming device, characterized in that, The utility model relates to a manganese liquid cooling forming device, including a forming mould (1); The top of the forming mould (1) is provided with a lifting structure on both sides of the outer edge surface, and the forming mould (1) is internally provided with a circular truncated cone shaped inverted forming cavity (2) for liquid manganese cooling forming; an inner chamfer (201) is formed at the position where the inner wall of the circular truncated cone shaped inverted forming cavity (2) is in contact with the ground. The height of the inner chamfer (201) is 50-80 cm, the outer diameter of the inner chamfer (201) is 1 m, the inner diameter of the inner chamfer (201) is 80 cm, and the inclination angle of the inner wall of the inner chamfer (201) is 75 degrees.

2. The high efficiency low nitrogen ingot casting forming device according to claim 1, characterized in that, The top of the forming mould (1) is symmetrically provided with two arc-shaped positioning keys (5), and the opposite surfaces of the two arc-shaped positioning keys (5) are each centrally provided with a limiting key (6).

3. The high efficiency low nitrogen ingot casting forming device according to claim 2, characterized in that, The bottom of the forming mould (1) is symmetrically provided with two arc-shaped positioning grooves (7), and the arc-shaped positioning keys (5) are inserted into the corresponding arc-shaped positioning grooves (7).

4. The high-efficiency low-nitrogen ingot casting forming device according to claim 3, characterized in that, The bottom of the forming mould (1) is symmetrically provided with two limiting grooves (8) corresponding to the arc-shaped positioning grooves (7), the two limiting grooves (8) are connected to each other, and the limiting keys (6) are inserted into the corresponding limiting grooves (8).

5. The high efficiency low nitrogen ingot casting forming device according to claim 1, characterized in that, The lifting structure comprises a convex seat (3), the convex seat (3) is arranged on the top of the outer edge surface of the forming mould (1), a lifting rod (4) is arranged at the center of the side of the convex seat (3) away from the forming mould (1), and anti-skid surfaces (401) are arranged on the top and bottom of the outer edge surface of the lifting rod (4).

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