CN217018594U - Molten steel pouring argon protection equipment - Google Patents
Molten steel pouring argon protection equipment Download PDFInfo
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- CN217018594U CN217018594U CN202220575801.0U CN202220575801U CN217018594U CN 217018594 U CN217018594 U CN 217018594U CN 202220575801 U CN202220575801 U CN 202220575801U CN 217018594 U CN217018594 U CN 217018594U
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Abstract
The utility model discloses molten steel pouring argon protection equipment, which comprises: the inner diameter of the first protection piece is larger than the outer diameter of a pouring gate of the mold, and an accommodating cavity is formed in the first protection piece; the plurality of air outlet pipes are arranged at intervals on the inner side of the first protective piece and are communicated with the accommodating cavity; the air supply part is communicated with the accommodating cavity; the annular second protection piece is arranged on the outer side of the first protection piece and can move relative to the first protection piece; and the elastic part is used for providing elastic force for the second protection piece, and the top end of the second protection piece protrudes out of the top end of the first protection piece under the action of the elastic force. The bottom end of the first protective member is brought into close contact with the mold under the pressure of the ladle. Under the elasticity of the elastic part, the top end of the second protection part is tightly contacted with the ladle, and the external air is prevented from entering. In the casting process, the molten steel is not contacted with air, so that oxidation is avoided. And the pouring quality is ensured.
Description
Technical Field
The utility model relates to the technical field of molten steel pouring equipment, in particular to molten steel pouring argon protection equipment.
Background
In the molten steel pouring stage, in the casting production process, the pouring of the casting is an important link, and the quality of the casting is directly influenced. During pouring, the molten steel contacts with oxygen in the air, oxidation reaction is carried out to generate oxides, and further the purity of the molten steel and the mold filling capacity of the molten steel are influenced, so that the method is an important factor for the non-ideal casting result. .
In chinese patent application No.: CN201821821226.8 discloses a molten steel argon protection device for casting, which comprises a casting cup, a gas transmission pipe, an argon bottle and a frame, wherein one end of the gas transmission pipe is connected with the casting cup, the gas transmission pipe penetrates through the casting cup, and the other end of the gas transmission pipe is communicated with the argon bottle; the argon bottle is placed on the frame, and a control valve is installed at the outlet of the argon bottle.
In chinese patent application No.: CN200810043843.4 discloses an argon protection device for steel ingot casting, which consists of an inner cylinder and an outer cylinder; the lower ends of the inner cylinder and the outer cylinder are provided with connecting plates for connecting the inner cylinder and the outer cylinder, a ceramic fiber sealing sleeve is filled between the inner cylinder and the outer cylinder at the upper end of the connecting plates, and the ceramic fiber sealing sleeve is higher than the upper end surfaces of the inner cylinder and the outer cylinder; an argon gas inlet pipe extending outwards is arranged on the outer cylinder wall at the lower end of the connecting plate, and a plurality of through holes for flowing out argon gas are arranged on the inner cylinder wall corresponding to the argon gas inlet pipe; the height from the upper end face of the connecting plate to the upper end faces of the inner cylinder and the outer cylinder is greater than the height from the lower end face of the connecting plate to the lower end faces of the inner cylinder and the outer cylinder.
According to the technical scheme, when the steel ladle is poured, a certain distance exists between the water outlet of the steel ladle and the pouring gate, and when the steel ladle is poured, molten steel is not contacted with air, so that oxidation is caused, and the defect of a casting piece is easily caused due to influence.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem in at least one aspect in the background art, the utility model provides molten steel pouring argon protection equipment.
The utility model provides molten steel pouring argon protection equipment, which comprises:
the inner diameter of the first protection piece is larger than the outer diameter of a pouring gate of the mold, and an accommodating cavity is formed in the first protection piece;
the plurality of air outlet pipes are arranged at intervals on the inner side of the first protective piece and are communicated with the accommodating cavity;
the air supply part is communicated with the accommodating cavity;
the annular second protection piece is arranged on the outer side of the first protection piece and can move relative to the first protection piece;
and the elastic part is used for providing elastic force for the second protection piece, and the top end of the second protection piece protrudes out of the top end of the first protection piece under the action of the elastic force.
Preferably, the elastic part includes a plurality of elastic units disposed around the first protector, wherein the elastic units include:
the sliding rod is arranged along the vertical direction and is connected with the first protection piece;
the sliding sleeve is connected with the sliding rod in a sliding manner and is connected with the second protection piece;
and the spring is arranged on the sliding rod, one end of the spring is connected with the sliding rod, and the other end of the spring is connected with the sliding sleeve.
Preferably, the bottom end of the first protector is flared outwardly to form an enlarged portion.
Preferably, an annular first sealing element is arranged on the bottom wall of the first protection element, the first sealing element is arranged on the outer side of the pouring gate of the mold, and the first sealing element is made of a high-temperature-resistant deformable material.
Preferably, the top wall of the second protection member is provided with an annular second sealing member, the second sealing member is arranged outside the water outlet of the ladle, and the second sealing member is made of a high-temperature-resistant deformable material.
Preferably, an annular third seal is arranged on the top wall of the second protection piece, the third seal is arranged on the outer side of the second seal, and the third seal is made of a high-temperature-resistant deformable material.
Preferably, the device further comprises a pressing plate, and the pressing plate is detachably connected with the water outlet of the ladle.
Preferably, the bottom wall of the pressure plate is provided with an annular fourth sealing element, and the fourth sealing element is made of a high-temperature-resistant deformable material; wherein, the first and the second end of the pipe are connected with each other,
and a receiving groove for receiving the fourth sealing element is formed between the second sealing element and the third sealing element.
The beneficial effects brought by one aspect of the utility model are as follows:
the first protector is placed outside the sprue of the purchased one piece.
And argon is introduced into the accommodating cavity by the gas supply part, enters the first protective piece through the gas outlet pipe, and enters the cavity of the mold through the pouring gate of the mold. The density of the argon is higher than that of the air, the argon enters, and the air is gradually discharged.
After the cavity of the mold and the first protection member are filled with argon, the ladle is lowered until the top end of the second protection member is extruded, and then pouring is performed.
Molten steel is discharged from the water outlet, enters the pouring gate through the first protective piece and then enters the cavity of the mold.
The bottom end of the first protective member is brought into close contact with the mold under the pressure of the ladle. Under the elasticity of the elastic part, the top end of the second protection part is tightly contacted with the ladle, and the external air is prevented from entering. In the casting process, the molten steel is not contacted with air, so that oxidation is avoided. The pouring quality is ensured.
Drawings
FIG. 1 is a front view of the present disclosure;
FIG. 2 is an axial view of the present disclosure;
FIG. 3 is an axial view of a second seal, a third seal, etc. of the disclosed invention;
FIG. 4 is an axial view of a fourth disclosed seal, etc.;
FIG. 5 is a cross-sectional view of the present disclosure;
FIG. 6 is a cross-sectional view of a portion of a first protector or the like disclosed herein;
FIG. 7 is an axial view of a portion of the components of the first protector, etc. disclosed herein;
fig. 8 is a cross-sectional view of a second seal, a third seal, etc. of the present disclosure.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present application may be combined with each other; the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", and "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 8, the argon protection device for molten steel pouring provided by the utility model comprises:
the inner diameter of the first protection piece 1 is larger than the outer diameter of a pouring gate B1 of the mold B, and the first protection piece 1 is provided with an accommodating cavity 101.
A plurality of air outlet pipes 2 which are arranged at intervals at the inner side of the first protective piece 1 and are communicated with the accommodating cavity 101; and the gas supply part 3 is communicated with the accommodating cavity 101.
And the annular second protection piece 4 is arranged on the outer side of the first protection piece 1 and can move relative to the first protection piece 1.
And the elastic part is used for providing elastic force for the second protection piece 4, and the top end of the second protection piece 4 protrudes out of the top end of the first protection piece 1 under the action of the elastic force.
The first protector 1 is placed outside the one-piece spout B1.
Argon is introduced into the accommodating cavity 101 through the gas supply part 3, enters the first protective part 1 through the gas outlet pipe 2, and enters the cavity of the mold B through the pouring gate B1 of the mold B. The density of the argon is higher than that of the air, the argon enters, and the air is gradually discharged.
After the argon gas is filled in the cavity of the mold B and the first protector 1, the ladle a is lowered until the top end of the second protector 4 is extruded, and then pouring is performed.
The molten steel is discharged from the water outlet a1, passes through the first protection member 1, enters the pouring gate B1, and then enters the cavity of the mold B.
The bottom end of the first protector 1 is brought into close contact with the mold B under the pressure of the ladle a. Under the elastic force of the elastic part, the top end of the second protection part 4 is in close contact with the ladle A, so that the external air is prevented from entering. In the casting process, the molten steel does not contact with air, so that oxidation is avoided. And the pouring quality is ensured.
As a further improvement of the above embodiment, in one embodiment, the elastic portion includes a plurality of elastic units disposed around the first protector 1, wherein the elastic units include:
a slide bar 5 arranged in a vertical direction and connected to the first protector 1; a sliding sleeve 6, which is connected with the sliding rod 5 in a sliding way and connected with the second protection piece 4; and the spring 7 is arranged on the sliding rod 5, one end of the spring is connected with the sliding rod 5, and the other end of the spring is connected with the sliding sleeve 6.
When the ladle a is lowered to hold the tip of the second protection member 4, the second protection member 4 is lowered against the elastic force of the spring 7. The steel ladle A is tightly matched with the second protection piece 4 by using the elasticity provided by the spring 7, so that air is prevented from entering.
As a further improvement of the above embodiment, in one embodiment, the bottom end of the first protector 1 is flared outwardly to form an enlarged portion 102. The enlarged portion 102 is provided to increase the contact area with the mold B, and the mold B supports the first protector 1 more stably.
As a further improvement of the above embodiment, in an embodiment, an annular first sealing element 8 is disposed on the bottom wall of the first protection element 1, the first sealing element 8 is disposed outside the gate B1 of the mold B, and the first sealing element 8 is made of a deformable material with high temperature resistance. The spring 7 exerts elasticity on the slide rod 5, and presses and holds the slide rod 5, the first protective piece 1 and the first sealing piece 8 downwards, so that the first sealing piece 8 is in close contact with the die B, and air is prevented from entering.
As a further improvement of the above embodiment, in one embodiment, an annular second sealing member 9 is provided on the top wall of the second protecting member 4, the second sealing member 9 is disposed outside the water outlet a1 of the ladle a, and the second sealing member 9 is made of a high temperature resistant deformable material. Let ladle a squeeze second seal 9, avoiding air ingress.
As a further improvement of the above embodiment, in an embodiment, an annular third seal 10 is disposed on the top wall of the second protection member 4, the third seal 10 is disposed outside the second seal 9, and the third seal 10 is made of a deformable material with high temperature resistance.
As a further improvement to the above example, in one embodiment, the apparatus further comprises a pressure plate 12, wherein the pressure plate 12 is detachably connected to the water outlet a1 of the ladle a. As a further improvement of the above embodiment, in one embodiment, the bottom wall of the pressure plate 12 is provided with an annular fourth seal 11, and the fourth seal 11 is made of a high temperature resistant deformable material; wherein, a receiving groove 13 for receiving the fourth sealing element 11 is formed between the second sealing element 9 and the third sealing element 10.
Ladle A drives clamp plate 12 and descends, lets fourth sealing member 11 get into holding tank 13 in, extrudees second protection piece 4, sets up third sealing member 10, second sealing member 9, fourth sealing member 11, effectively avoids the air admission. The first sealing element 8, the third sealing element 10, the second sealing element 9 and the fourth sealing element 11 can be made of aluminum silicate heat insulation cotton. High temperature resistance, certain deformation when being pressed, and air entering avoidance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The molten steel pouring argon protection equipment is characterized by comprising:
the inner diameter of the first protection piece is larger than the outer diameter of a pouring gate of the mold, and an accommodating cavity is formed in the first protection piece;
the plurality of air outlet pipes are arranged at intervals at the inner side of the first protective piece and are communicated with the accommodating cavity;
the air supply part is communicated with the accommodating cavity;
the annular second protection piece is arranged on the outer side of the first protection piece and can move relative to the first protection piece;
and the elastic part is used for providing elastic force for the second protection piece, and the top end of the second protection piece protrudes out of the top end of the first protection piece under the action of the elastic force.
2. The molten steel-pouring argon-protecting apparatus of claim 1, wherein the elastic part comprises a plurality of elastic units disposed around the first protector, wherein the elastic units comprise:
the sliding rod is arranged along the vertical direction and is connected with the first protection piece;
the sliding sleeve is connected with the sliding rod in a sliding manner and is connected with the second protection piece;
and the spring is arranged on the sliding rod, one end of the spring is connected with the sliding rod, and the other end of the spring is connected with the sliding sleeve.
3. The molten steel pouring argon protecting apparatus of claim 1, wherein the bottom end of the first protecting member is expanded outward to form an enlarged portion.
4. The molten steel pouring argon protecting equipment according to claim 1, characterized in that the bottom wall of the first protecting piece is provided with an annular first sealing piece, the first sealing piece is arranged outside the pouring gate of the mold, and the first sealing piece is made of a high-temperature-resistant deformable material.
5. Molten steel pouring argon protection equipment according to claim 1, characterized in that the top wall of the second protection member is provided with an annular second sealing member, the second sealing member is arranged outside the water outlet of the ladle, and the second sealing member is made of a high temperature resistant deformable material.
6. The molten steel pouring argon protecting equipment of claim 5, wherein the top wall of the second protecting piece is provided with a ring-shaped third sealing piece, the third sealing piece is arranged on the outer side of the second sealing piece, and the third sealing piece is made of a high-temperature-resistant deformable material.
7. The molten steel pouring argon protecting equipment according to claim 6, characterized in that the equipment further comprises a pressure plate, and the pressure plate is detachably connected with the water outlet of the ladle.
8. Molten steel pouring argon protection equipment according to claim 7, characterized in that the bottom wall of the pressure plate is provided with an annular fourth sealing element, and the fourth sealing element is made of a high-temperature-resistant deformable material; wherein, the first and the second end of the pipe are connected with each other,
and a receiving groove for receiving the fourth sealing element is formed between the second sealing element and the third sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220575801.0U CN217018594U (en) | 2022-03-16 | 2022-03-16 | Molten steel pouring argon protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220575801.0U CN217018594U (en) | 2022-03-16 | 2022-03-16 | Molten steel pouring argon protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217018594U true CN217018594U (en) | 2022-07-22 |
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ID=82456238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220575801.0U Active CN217018594U (en) | 2022-03-16 | 2022-03-16 | Molten steel pouring argon protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217018594U (en) |
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2022
- 2022-03-16 CN CN202220575801.0U patent/CN217018594U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311106 No. 5, tangsheng street, Tangqi Industrial Park, Tangqi Town, Linping District, Hangzhou, Zhejiang Province Patentee after: Hangzhou Steam Turbine Casting and Forging Co.,Ltd. Address before: 311106 No. 5, tangsheng street, Tangqi Industrial Park, Tangqi Town, Linping District, Hangzhou, Zhejiang Province Patentee before: HANGZHOU STEAM TURBINE CASTING AND FORGING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |