CN215673659U - Sealing device with conical surface for vacuum charging equipment - Google Patents
Sealing device with conical surface for vacuum charging equipment Download PDFInfo
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- CN215673659U CN215673659U CN202120913159.8U CN202120913159U CN215673659U CN 215673659 U CN215673659 U CN 215673659U CN 202120913159 U CN202120913159 U CN 202120913159U CN 215673659 U CN215673659 U CN 215673659U
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Abstract
The utility model relates to the field of vacuum steelmaking, in particular to a sealing device with a conical surface for vacuum feeding equipment. The utility model provides a take conical surface sealing device for vacuum charging equipment, includes seal (1), characterized by: the sealing structure is characterized by further comprising an air cylinder piston rod (2), a cover plate (3), a bolt-nut assembly (4) and a sealing ring (5), wherein the sealing body (1) is tubular, a supporting plate (11) is arranged in the sealing body (1), the outer edge of the supporting plate (11) is attached and fixed to the inner side face of the sealing body (1), the moving end of the air cylinder piston rod (2) is fixed to the middle of the supporting plate (11), the cover plate (3) is fixed to the bottom end of the sealing body (1) to seal the bottom end of the sealing body (1), the sealing ring (5) is hooped on the outer side face of the bottom end of the sealing body (1), and the bottom end of the sealing body (1), the outer side faces of the sealing ring (5) and the cover plate (3) form a circular truncated cone.
Description
Technical Field
The utility model relates to the field of vacuum steelmaking, in particular to a sealing device with a conical surface for vacuum feeding equipment.
Background
The ladle vacuum feeding device receives aluminum, ferrosilicon and other alloy materials under the normal pressure state, and then the aluminum, ferrosilicon and other alloy materials are added into the molten steel under the vacuum state to adjust the temperature and the alloy content of the molten steel. Typically in the form of a two-chamber vacuum seal, an upper sealing valve and a lower sealing valve. After the lower sealing valve is closed, the upper sealing valve can be opened to be in a normal pressure state to receive alloy materials; after the upper sealing valve is closed, vacuum is formed in the hopper, and the lower sealing valve can be opened to feed in the vacuum groove. Therefore, the performance of the sealing device not only influences the vacuum state of the ladle, but also influences whether the feeding is smooth or not. The original sealing mechanism has higher processing requirements, unreliable sealing due to processing and assembling errors and high vacuum leakage rate; the material also blocks in the seal groove easily, makes to throw the material unsmooth.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a sealing device with a conical surface for vacuum charging equipment, which aims to overcome the defects of the prior art and provide vacuum smelting sealing equipment with the advantages of convenience in processing, good sealing performance, safety and reliability.
The utility model achieves the purpose by the following technical scheme:
the utility model provides a take conical surface sealing device for vacuum charging equipment, includes the seal, characterized by: also comprises a cylinder piston rod, a cover plate, a bolt-nut component and a sealing ring,
the sealing body is tubular, the outer side face of the sealing body is a circular table face, a supporting plate is arranged in the sealing body, the outer edge of the supporting plate is attached to and fixed on the inner side face of the sealing body, the moving end of a piston rod of the air cylinder is fixed in the middle of the supporting plate, the cover plate is fixed on the bottom end of the sealing body through a bolt-nut assembly to seal the bottom end of the sealing body, the sealing ring is hooped on the outer side face of the bottom end of the sealing body, and the bottom end of the sealing body, the outer side faces of the sealing ring and the cover plate form a circular table shape.
The sealing device with the conical surface for the vacuum charging equipment is characterized in that: when the plumb line was located to the central axis of seal, the contained angle that the lateral surface and the plumb line of seal formed was at 3 ~ 5, and the contained angle that bottom, sealing washer and apron these three's lateral surface and plumb line of seal formed is at 30 ~ 45.
When the vacuum feeding box is used, the top of the vacuum feeding box is provided with an upper feeding port, one of the vacuum feeding boxes is vertically arranged in the upper feeding port, the other of the vacuum feeding boxes is arranged in the vacuum feeding box, the bottom of the vacuum feeding box is connected with a lower feeding box, and the bottom of the lower feeding box is connected with a vacuum groove. Under the normal pressure state, the sealing body in the upper feeding port is pulled upwards by a piston rod of the air cylinder to be opened, the sealing body in the vacuum feed box is closed at the moment, and the upper feeding port receives aluminum, silicon iron and other alloy materials and sends the aluminum, silicon iron and other alloy materials into the vacuum feed box; in a vacuum state, the sealing body in the upper feeding port is pushed downwards by the piston rod of the air cylinder to be closed, the sealing body in the vacuum feed box is opened at the moment, and the alloy material received by the vacuum feed box is added into the molten steel which is being subjected to vacuum treatment in the vacuum tank through the blanking box and is used for adjusting the temperature and the alloy content of the molten steel.
When the feeding is needed, the feeding hopper is retracted through the air cylinder, the feeding hopper is extended through the air cylinder, the sealing ring is firmly pressed on the conical surface of the lower part, the upper part is filled, after the filling is finished, the feeding hopper is extended through the air cylinder, the sealing ring is firmly pressed on the conical surface of the upper part, and the feeding hopper is smoothly fed with materials through the retraction of the air cylinder. By the operation, the whole feeding process is smoother, and the sealing performance between the devices is more reliable.
The utility model has the following characteristics:
1. the sealing device adopts a conical design, is driven by the cylinder to lift, is accurate in positioning and is not easy to shake. When the cylinder retracts, the sealing device is opened, the material is not blocked, and the blanking is smooth.
2. The sealing groove adopts a circular bayonet design, is convenient to process, and fixes the sealing ring on the sealing body through the pressing plate. The maintenance and the replacement are convenient.
3. The sealing ring is made into a cone shape by adopting a heat-resistant wear-resistant sealing ring and is sealed with the inclined plane of the lower equipment. When the cylinder stretches out, the sealing ring is contacted with lower equipment, and the sealing ring is pressed and is reliably sealed.
The utility model has the following beneficial effects:
1. the action is safe and reliable, the material is not blocked, the feeding is smooth, and the accident rate is reduced.
2. The processing is convenient, and it is convenient to overhaul and change, reduces standby time.
3. The leakproofness is good, reduces the vacuum leakage rate.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is a schematic representation of the present invention in use.
Detailed Description
The utility model is further illustrated by the following specific examples.
Example 1
A sealing device with a conical surface for vacuum feeding equipment comprises a sealing body 1, a cylinder piston rod 2, a cover plate 3, a bolt-nut assembly 4 and a sealing ring 5, and is specifically structured as shown in figure 1:
the sealing body 1 is tubular, the outer side surface of the sealing body 1 is a circular table surface, a supporting plate 11 is arranged in the sealing body 1, the outer edge of the supporting plate 11 is attached and fixed on the inner side surface of the sealing body 1, the moving end of a cylinder piston rod 2 is fixed in the middle of the supporting plate 11, a cover plate 3 is fixed on the bottom end of the sealing body 1 by a bolt-nut assembly 4 to seal the bottom end of the sealing body 1, a sealing ring 5 is hooped on the outer side surface of the bottom end of the sealing body 1, and the outer side surfaces of the bottom end of the sealing body 1, the sealing ring 5 and the cover plate 3 form a circular table shape,
in this embodiment: when the plumb line was located to the central axis of seal 1, the contained angle that the lateral surface of seal 1 and plumb line formed was at 3 ~ 5, and the contained angle that bottom, sealing washer 5 and apron 3 these three's lateral surface and plumb line of seal 1 formed is at 30 ~ 45.
In use, the present embodiment is as shown in fig. 2: the top of the vacuum feed box 6 is provided with an upper feeding port 61, the upper feeding port 61 is vertically provided with one embodiment, the vacuum feed box 6 is internally provided with another embodiment, the bottom of the vacuum feed box 6 is connected with a lower feed box 7, and the bottom of the lower feed box 7 is connected with a vacuum groove 8. Under the normal pressure state, the sealing body 1 in the upper feeding port 61 is pulled upwards by the cylinder piston rod 2 to be opened, the sealing body 1 in the vacuum feed box 6 is closed at the moment, and the upper feeding port 61 receives aluminum, silicon iron and other alloy materials and sends the aluminum, silicon iron and other alloy materials into the vacuum feed box 6; in a vacuum state, the sealing body 1 in the upper feeding port 61 is pushed downwards by the cylinder piston rod 2 to be closed, at the moment, the sealing body 1 in the vacuum feed box 6 is opened, and the alloy material received by the vacuum feed box 6 is added into the molten steel which is being subjected to vacuum treatment in the vacuum tank 8 through the blanking box 7 and is used for adjusting the temperature and the alloy content of the molten steel.
When needs are reinforced, be located the embodiment on upper portion and pass through the cylinder withdrawal, lie in the embodiment of lower part and stretch out through the cylinder, firmly press the sealing washer on the conical surface of lower part, upper portion material containing this moment, the material containing back that finishes, lie in the embodiment on upper portion and stretch out through the cylinder, firmly press the sealing washer on the conical surface of upper portion, lie in the embodiment of lower part and pass through the cylinder withdrawal, expect to add the lower part hopper smoothly. By the operation, the whole feeding process is smoother, and the sealing performance between the devices is more reliable.
Claims (2)
1. The utility model provides a take conical surface sealing device for vacuum charging equipment, includes seal (1), characterized by: also comprises a cylinder piston rod (2), a cover plate (3), a bolt-nut component (4) and a sealing ring (5),
the sealing body (1) is tubular, the outer side face of the sealing body (1) is a circular table surface, a supporting plate (11) is arranged in the sealing body (1), the outer edge of the supporting plate (11) is attached and fixed to the inner side face of the sealing body (1), the moving end of a cylinder piston rod (2) is fixed to the middle of the supporting plate (11), a cover plate (3) is fixed to the bottom end of the sealing body (1) through a bolt-nut assembly (4) to seal the bottom end of the sealing body (1), a sealing ring (5) is hooped to the outer side face of the bottom end of the sealing body (1), and the outer side faces of the sealing ring (5) and the cover plate (3) form a circular table shape.
2. The tapered sealing device for a vacuum charging apparatus as defined in claim 1, wherein: when the plumb line was located to the central axis of seal (1), the contained angle that the lateral surface and the plumb line of seal (1) formed was at 3 ~ 5, and the contained angle that bottom, sealing washer (5) and apron (3) these three's lateral surface and plumb line of seal (1) formed is at 30 ~ 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120913159.8U CN215673659U (en) | 2021-04-29 | 2021-04-29 | Sealing device with conical surface for vacuum charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120913159.8U CN215673659U (en) | 2021-04-29 | 2021-04-29 | Sealing device with conical surface for vacuum charging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673659U true CN215673659U (en) | 2022-01-28 |
Family
ID=79971347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120913159.8U Active CN215673659U (en) | 2021-04-29 | 2021-04-29 | Sealing device with conical surface for vacuum charging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673659U (en) |
-
2021
- 2021-04-29 CN CN202120913159.8U patent/CN215673659U/en active Active
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