Pouring protection device

Abstract

The utility model discloses a pouring protection device, and particularly relates to the field of casting. The utility model provides a pouring protection device which comprises a first cylinder body, a second cylinder body, an adjusting mechanism, a first sealing mechanism, a second sealing mechanism, a ventilation mechanism and a detection mechanism. The adjusting mechanism is arranged between the top of the first barrel body and the top of the second barrel body and used for adjusting the distance between the top of the first barrel body and the top of the second barrel body, and the number of the first sealing mechanisms is two; the two first sealing mechanisms are arranged at the bottom of the first barrel and the top of the second barrel respectively, the second sealing mechanism is arranged between the first barrel and the second barrel, and the ventilation mechanism and the detection mechanism are both arranged on the first barrel. The ventilation mechanism is arranged opposite to the detection mechanism, and the ventilation mechanism is in signal connection with the detection mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of casting, specifically relates to a pouring protection device. BACKGROUND

[0002] When the cast steel piece is poured at high temperature, the molten steel is very easy to be oxidized, especially in the pouring process, air will enter the cavity along with the flowing molten steel, resulting in more oxidation inclusions, which will be expressed as surface pitting defects in subsequent finishing, and even cause product scrap in severe cases. SUMMARY

[0003] The utility model discloses a pouring protection device.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of a pouring protection device, which comprises a first cylinder, a second cylinder, an adjusting mechanism, a first sealing mechanism, a second sealing mechanism, a ventilation mechanism and a detection mechanism.

[0005] Further, the adjusting mechanism is a hydraulic cylinder or an electric push rod.

[0006] Further, the first sealing mechanism comprises a first sealing groove and a first sealing ring, the first sealing groove is arranged at the bottom of the first cylinder and the top of the second cylinder, and the first sealing ring is arranged in the first sealing groove.

[0007] Further, the second sealing mechanism comprises a second sealing groove and a second sealing ring, the second sealing groove is arranged on the side wall of the second cylinder, and the second sealing ring is arranged in the second sealing groove.

[0008] Further, the first sealing ring and the second sealing ring are made of rubber material.

[0009] Further, the ventilation mechanism comprises a ventilation hole, a connecting pipe, an argon tank and a first electromagnetic valve, the ventilation hole is arranged on the side wall of the first cylinder body, one end of the connecting pipe is connected with the ventilation hole, the other end of the connecting pipe is connected with the argon tank, and the first electromagnetic valve is arranged on the connecting pipe and located between the argon tank and the ventilation hole.

[0010] Further, the detection mechanism comprises an exhaust hole, an exhaust pipe, a second electromagnetic valve and an oxygen sensor, the exhaust hole is arranged on the side wall of the first cylinder body, the exhaust hole is arranged opposite to the ventilation hole, one end of the exhaust pipe is connected with the exhaust hole, and the second electromagnetic valve and the oxygen sensor are both arranged on the exhaust pipe and located between the second electromagnetic valve and the exhaust hole.

[0011] Further, the bottom of the first cylinder body is provided with a conical structure.

[0012] From the above description of the present application, compared with the prior art, the pouring protection device has the following advantages: the second cylinder body is used for sealing connection with the pouring hole on the ladle, the first cylinder body is used for sealing connection with the casting hole on the casting box, the ventilation mechanism is used for injecting argon into the first cylinder body, the second cylinder body and the casting box, the detection mechanism is used for discharging the gas in the first cylinder body, the second cylinder body and the casting box and detecting the oxygen content in the gas, and the detection mechanism and the ventilation mechanism are signal connected so that the detected oxygen content information can be fed back to the ventilation mechanism to make the ventilation mechanism stop injecting argon in time, thereby avoiding resource waste, therefore, the device can create a protective atmosphere during molten steel pouring, prevent molten steel from being oxidized, reduce the generation of oxidized inclusions and greatly improve the internal quality of products. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is an exploded view of the pouring protection device of the present application.

[0014] Fig. 2 It is a sectional view of the pouring protection device of the present application.

[0015] Fig. 3 It is a schematic view of the overall structure of the pouring protection device of the present application. DETAILED DESCRIPTION

[0016] The technical solutions in the utility model will be described clearly and completely in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative work should belong to the protection scope of the utility model.

[0017] Referring to Figs. 1-3 As shown in the figure, a pouring protection device comprises a first cylinder 1, a second cylinder 2, an adjusting mechanism 3, a first sealing mechanism 4, a second sealing mechanism 5, a ventilation mechanism 6, and a detection mechanism 7. The second cylinder 2 is arranged in the first cylinder 1. The adjusting mechanism 3 is arranged between the top of the first cylinder 1 and the top of the second cylinder 2 for adjusting the distance between the top of the first cylinder 1 and the top of the second cylinder 2, so that the overall height of the pouring protection device can be flexibly adjusted according to the height distance between the pouring port of the ladle and the casting port of the casting box. The first sealing mechanism 4 comprises two first sealing mechanisms 4, which are arranged at the bottom of the first cylinder 1 and the top of the second cylinder 2 respectively, so as to seal the gap between the bottom of the first cylinder 1 and the casting port of the casting box and seal the gap between the top of the second cylinder 2 and the pouring port of the ladle. The second sealing mechanism 5 is arranged between the first cylinder 1 and the second cylinder 2 for sealing the gap between the first cylinder 1 and the second cylinder 2. The ventilation mechanism 6 and the detection mechanism 7 are both arranged on the first cylinder 1. The ventilation mechanism 6 is arranged opposite to the detection mechanism 7, and the ventilation mechanism 6 is signal connected with the detection mechanism 7.

[0018] Specifically, the second cylinder 2 is used for sealing connection with the pouring port on the ladle, the first cylinder 1 is used for sealing connection with the casting port on the casting box, the ventilation mechanism 6 is used for injecting argon into the inside of the first cylinder 1, the inside of the second cylinder 2, and the inside of the casting box, the detection mechanism 7 is used for discharging the gas in the inside of the first cylinder 1, the inside of the second cylinder 2, and the inside of the casting box and detecting the oxygen content in the gas, and the detection mechanism 7 is signal connected with the ventilation mechanism 6, so that the detection mechanism 7 can feed back the detected oxygen content information to the ventilation mechanism 6, so that the ventilation mechanism 6 can stop injecting argon in time, avoiding resource waste. Therefore, the device can create a protective atmosphere during the molten steel pouring process, prevent the molten steel from being oxidized, reduce the generation of oxidized inclusions, and greatly improve the internal quality of the product.

[0019] The adjusting mechanism 3 is a hydraulic cylinder or an electric push rod.

[0020] The first sealing mechanism 4 comprises a first sealing groove 41 and a first sealing ring 42, wherein the first sealing groove 41 is arranged on the bottom of the first cylinder 1 and the top of the second cylinder 2, and the first sealing ring 42 is arranged in the first sealing groove 41.

[0021] The second sealing mechanism 5 comprises a second sealing groove 51 and a second sealing ring 52, wherein the second sealing groove 51 is arranged on the sidewall of the second cylinder 2, and the second sealing ring 52 is arranged in the second sealing groove 51.

[0022] Preferably, the first sealing ring 42 and the second sealing ring 52 are made of rubber material.

[0023] The ventilation mechanism 6 comprises a ventilation hole 61, a connecting pipe 62, an argon tank 63 and a first electromagnetic valve 64, wherein the ventilation hole 61 is arranged on the sidewall of the first cylinder 1, one end of the connecting pipe 62 is connected with the ventilation hole 61, the other end of the connecting pipe 62 is connected with the argon tank 63, the first electromagnetic valve 64 is arranged on the connecting pipe 62, and the first electromagnetic valve 64 is located between the argon tank 63 and the ventilation hole 61 for connecting or isolating the argon tank 63 and the ventilation hole 61.

[0024] The detection mechanism 7 comprises an exhaust hole 71, an exhaust pipe 72, a second electromagnetic valve 73 and an oxygen sensor 74, wherein the exhaust hole 71 is arranged on the sidewall of the first cylinder 1, the exhaust hole 71 is arranged opposite to the ventilation hole 61, one end of the exhaust pipe 72 is connected with the exhaust hole 71, the second electromagnetic valve 73 and the oxygen sensor 74 are both arranged on the exhaust pipe 72, and the oxygen sensor 74 is located between the second electromagnetic valve 73 and the exhaust hole 71 for detecting the oxygen content in the exhaust pipe 72, so as to determine the oxygen content in the first cylinder 1, the second cylinder 2 and the casting box.

[0025] The bottom of the first cylinder 1 is provided with a conical structure 11.

[0026] In use, the overall height of the device is adjusted by the adjusting mechanism 3, so that the second cylinder 2 can be sealingly connected with the ladle pouring port and the first cylinder 1 can be sealingly connected with the casting box casting port, then the first electromagnetic valve 64 is opened, the argon tank 63 injects argon into the first cylinder 1, the second cylinder 2 and the casting box, the second electromagnetic valve 73 is opened to discharge the gas in the first cylinder 1, the second cylinder 2 and the casting box, the oxygen sensor 74 monitors the oxygen content in the exhaust pipeline 72 in real time, when the oxygen content reaches a preset value, the detection mechanism 7 feeds back information to the aeration mechanism 6, the first electromagnetic valve 64 is disconnected, and the injection of argon is stopped, at which time the molten steel pouring can be started.

[0027] The above is only some specific embodiments of the present application, but the design concept of the present application is not limited thereto, and any non-substantial change to the present application using this concept shall be deemed as an infringement of the protection scope of the present application.

Claims

1. A pouring protection device, characterized in that: The application relates to a double-cylinder type oxygen concentrator, which comprises a first cylinder, a second cylinder, an adjusting mechanism, first sealing mechanisms, a second sealing mechanism, a ventilation mechanism and a detection mechanism.

2. The pouring protection device of claim 1, wherein: The adjusting mechanism is a hydraulic cylinder or an electric push rod.

3. The pouring protection device of claim 2, wherein: The first sealing mechanism comprises a first sealing groove and a first sealing ring.

4. The pouring protection device of claim 3, wherein: The second sealing mechanism comprises a second sealing groove and a second sealing ring.

5. The pouring protection device of claim 4, wherein: The first sealing ring and the second sealing ring are made of rubber material.

6. The pouring protection device of claim 5, wherein: The ventilation mechanism comprises a ventilation hole, a connecting pipe, an argon tank and a first electromagnetic valve.

7. The pouring protectors of claim 6, wherein: The detection mechanism comprises an exhaust hole, an exhaust pipeline, a second electromagnetic valve and an oxygen sensor.

8. The pouring protection device of claim 7, wherein: The bottom of the first cylinder is provided with a conical structure.

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