Pouring device of wind power generation hub casting

Abstract

The utility model provides a pouring device of a wind power generation hub casting, which comprises a pouring shell, supporting columns, a heating pouring pipe structure capable of shunting air outlet and an outer pouring pipe structure capable of exhausting air, and the supporting columns are respectively fixed at four corners of the bottom end of the pouring shell through bolts. Due to the arrangement of the pouring shell, the inner pouring pipe, the flow dividing pipe, the inner pouring hopper and the air outlet preheating pipe, after air is exhausted through the air outlet preheating pipe in the using process, the heated air can preheat the pouring shell, and the situation that the pouring quality is affected after the temperature change is too large is prevented; and through arrangement of an outer pouring pipe, an outer pouring funnel, a connecting pipe, an exhaust pipe and a dispersion pipe, gas exhaust work can be conducted through the exhaust pipe and the dispersion pipe in the pouring process, and the purpose of preventing the situation that the pouring quality is affected after gas residues exist in the pouring process is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and particularly relates to a pouring device for a wind power generation hub casting. Background Art

[0002] The wind power generation hub casting product is a sphere, and the drop between the parting surface and the iron inlet position is relatively high. The existing pouring device uses a gate to surround the outer wall spherical surface in a circle, and the gate directly rushes into the mold from the outer wall spherical surface through the cross gate. The iron water has a large drop, causing the iron water to be turbulent, easily scouring sand, causing slag hanging, oxidation, and difficult operation. Moreover, the gate is placed on the outer rough surface of the product, which will cause surface flesh deficiency during cleaning after pouring, directly affecting the appearance quality of the casting product. The existing pouring device for wind power generator hub castings includes a sprue, a cross gate, an ingate, the bottom surface of the lower end of the hub casting cavity, a first sprue, a second sprue, a filtering core, and a boss. This kind of pouring device for wind power generator hub castings is prone to affect the casting quality due to untimely gas discharge during the pouring process and the problem that the inside of the pouring device cannot be heated during internal pouring. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a pouring device for a wind power generation hub casting, which improves the sprue during use to facilitate gas discharge during pouring and improves the ingate during use to facilitate heating of the pouring device during pouring.

[0004] A pouring device for a wind power generation hub casting, including a pouring shell, wherein support columns are respectively bolt-fixed at the four corners of the bottom end of the pouring shell. It is characterized in that a gas-dividing, gas-exhausting and heating pouring pipe structure is arranged inside the upper end of the pouring shell; an exhaustible outer pouring pipe structure is arranged on the outer ring of the pouring shell.

[0005] Preferably, the gas-dividing, gas-exhausting and heating pouring pipe structure includes an ingate, and a diversion pipe is integrally arranged at the upper end of the ingate; an inner pouring hopper is bolt-fixed at the upper end of the diversion pipe; an upper part air outlet preheating pipe is arranged on the inner wall of the diversion pipe.

[0006] Preferably, the exhaustible outer pouring pipe structure includes an outer pouring pipe, and an outer pouring funnel is thread-connected at the upper end of the outer pouring pipe; the right end of a connecting pipe is thread-connected at the middle position on the left side of the outer pouring pipe; the left end of the connecting pipe is thread-connected at the middle position on the right side of an exhaust pipe; a dispersion pipe is thread-connected inside the upper end of the exhaust pipe.

[0007] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0008] 1. In the present utility model, the arrangement of the casting shell, the inner casting pipe, the shunt pipe, the inner casting hopper, and the gas outlet preheating pipe is beneficial to preheat the casting shell by the heated gas after discharging the gas through the gas outlet preheating pipe during use, preventing the casting quality from being affected due to excessive temperature change.

[0009] 2. In the present utility model, the arrangement of the outer casting pipe, the outer casting funnel, the connecting pipe, the exhaust pipe, and the dispersion pipe is beneficial to discharge the gas through the exhaust pipe and the dispersion pipe during casting, preventing the casting quality from being affected due to gas residue during casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural view of the present utility model.

[0011] Figure 2 is a schematic structural view of the separable gas outlet heating casting pipe structure of the present utility model.

[0012] Figure 3 is a schematic structural view of the exhaustible outer casting pipe structure of the present utility model.

[0013] In the figure:

[0014] 1, casting shell; 2, support column; 3, separable gas outlet heating casting pipe structure; 31, inner casting pipe; 32, shunt pipe; 33, inner casting hopper; 34, gas outlet preheating pipe; 4, exhaustible outer casting pipe structure; 41, outer casting pipe; 42, outer casting funnel; 43, connecting pipe; 44, exhaust pipe; 45, dispersion pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The present utility model will be specifically described below with reference to the accompanying drawings. As shown in Figure 1 and in Figure 2As shown in the figure, a pouring device for a wind power generation hub casting includes a pouring shell 1, support columns 2, a split air outlet heating pouring pipe structure 3, and an exhaustible outer pouring pipe structure 4. Support columns 2 are respectively bolt-fixed at the four corners of the bottom end of the pouring shell 1. Inside the upper end of the pouring shell 1, there is a split air outlet heating pouring pipe structure 3. An exhaustible outer pouring pipe structure 4 is respectively arranged on the outer circle of the pouring shell 1. The split air outlet heating pouring pipe structure 3 includes an inner pouring pipe 31, a shunt pipe 32, an inner pouring hopper 33, and an air outlet preheating pipe 34. The upper end of the inner pouring pipe 31 is integrally provided with a shunt pipe 32. The upper end of the shunt pipe 32 is bolt-fixed with an inner pouring hopper 33. The upper part of the inner wall of the shunt pipe 32 is provided with an air outlet preheating pipe 34. When in use, the pouring shell 1 is fixed at a suitable position, then the inner pouring pipe 31 is connected to a suitable position inside the pouring shell 1 and is communicated. Then, through the cooperation of the inner pouring hopper 33, the shunt pipe 32, and the inner pouring pipe 31, pouring work is carried out, and during the pouring process, hot air is discharged through the air outlet preheating pipe 34 to preheat the inner circle of the pouring shell 1, preventing the temperature from changing too much during pouring and affecting the pouring quality.

[0016] In this implementation plan, in combination with the attached Figure 3 As shown in the figure, the exhaustible outer pouring pipe structure 4 includes an outer pouring pipe 41, an outer pouring funnel 42, a connecting pipe 43, an exhaust pipe 44, and a dispersion pipe 45. The upper end of the outer pouring pipe 41 is threadedly connected with an outer pouring funnel 42. The middle position on the left side of the outer pouring pipe 41 is threadedly connected with the right end of the connecting pipe 43. The left end of the connecting pipe 43 is threadedly connected to the middle position on the right side of the exhaust pipe 44. The upper end inside the exhaust pipe 44 is threadedly connected with a dispersion pipe 45. While pouring through the inner pouring pipe 31 and the shunt pipe 32, through the cooperation of the outer pouring pipe 41 and the outer pouring funnel 42, simultaneous pouring work is carried out on the outer circle, and during the pouring process, through the cooperation of the exhaust pipe 44 and the dispersion pipe 45, exhaust work is carried out to prevent the influence of gas residue on the pouring quality, thereby completing the pouring work.

[0017] In this implementation plan, specifically, the inner pouring pipe 31 is communicated with the inner pouring hopper 33 through the shunt pipe 32. The inner pouring pipe 31 is communicated with the air outlet preheating pipe 34, and the air outlet preheating pipe 34 is made of a cross-shaped stainless steel pipe.

[0018] In this implementation plan, specifically, the inner pouring pipe 31 is respectively threadedly connected to the middle positions on the left and right sides of the inner wall of the pouring shell 1. The air outlet preheating pipe 34 is arranged at the upper end inside the pouring shell 1.

[0019] In this implementation plan, specifically, the dispersion pipe 45 is made of a T-shaped stainless steel pipe. The outer pouring pipe 41, the connecting pipe 43, and the exhaust pipe 44 are arranged in an H shape.

[0020] In this embodiment, specifically, the bottom ends of the outer pouring pipe 41 and the exhaust pipe 44 are sequentially threadedly connected inside the outer ring at the upper end of the pouring shell 1 and are communicated.

[0021] Working principle

[0022] In the present utility model, during use, the pouring shell 1 is fixed at a suitable position, and then the inner pouring pipe 31 is connected to a suitable position inside the pouring shell 1 and is communicated. Then, through the cooperation of the inner pouring hopper 33, the shunt pipe 32, and the inner pouring pipe 31, the pouring work is carried out, and during the pouring process, hot air is discharged through the air outlet preheating pipe 34 to preheat the inner ring of the pouring shell 1, preventing the temperature change from being too large during the pouring process and affecting the pouring quality. While pouring through the inner pouring pipe 31 and the shunt pipe 32, through the cooperation of the outer pouring pipe 41 and the outer pouring funnel 42, the outer ring is simultaneously poured, and during the pouring process, the exhaust work is carried out through the cooperation of the exhaust pipe 44 and the dispersion pipe 45 to prevent the gas residue from affecting the pouring quality, thereby completing the pouring work.

[0023] Using the technical solution of the present utility model, or those skilled in the art being inspired by the technical solution of the present utility model to design a similar technical solution and achieving the above technical effects shall all fall within the protection scope of the present utility model.

Claims

1. A casting device for a wind turbine hub casting, comprising a casting shell (1), wherein the four corners of the bottom end of the casting shell (1) are respectively fixed with support columns (2) by bolts; characterized in that: The upper end of the casting shell (1) in the casting device of the wind turbine hub casting is provided with a casting pipe structure (3) capable of diverting gas for heating; the outer ring of the casting shell (1) is provided with an outer casting pipe structure (4) capable of exhausting gas.

2. The pouring device for a wind turbine hub casting according to claim 1, characterized in that: The divertable gas outlet heating casting pipe structure (3) comprises an inner casting pipe (31), the upper end of the inner casting pipe (31) is integrally provided with a diverter pipe (32); the upper end of the diverter pipe (32) is bolted with an inner casting bucket (33); and the upper part of the inner wall of the diverter pipe (32) is provided with a gas outlet preheating pipe (34).

3. The pouring device for the wind turbine hub casting according to claim 1, characterized in that: The ventilated external cast pipe structure (4) comprises an external cast pipe (41), the upper end of the external cast pipe (41) is threadedly connected to an external cast funnel (42); the right end of a connecting pipe (43) is threadedly connected to the middle position on the left side of the external cast pipe (41); the left end of the connecting pipe (43) is threadedly connected to the middle position on the right side of an exhaust pipe (44); and the upper end of the exhaust pipe (44) is internally threadedly connected to a dispersion pipe (45).

4. The pouring device for the wind turbine hub casting according to claim 2, characterized in that: The inner casting pipe (31) is respectively threadedly connected to the middle positions of the left and right sides of the inner wall of the casting shell (1); and the air outlet preheating pipe (34) is arranged at the inner upper end of the casting shell (1).

5. The pouring device for the wind turbine hub casting according to claim 3, characterized in that: The bottom ends of the external casting pipe (41) and the exhaust pipe (44) are sequentially threadedly connected to the interior of the upper outer ring of the casting shell (1) and are connected.

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