Anti-splashing device at inlet of rolling mill

Abstract

The utility model relates to a rolling mill inlet anti-splashing device which comprises an annular air knife, a rolling round pipe welded at a blowing opening of the annular air knife to reduce splashing amount, a backflow opening arranged below the rolling round pipe to enable emulsion of the rolling round pipe to flow back to a rolling mill box body to prevent overflowing, the rolling round pipe welded to a fixed bottom plate, and a through hole arranged in the fixed bottom plate to prevent the rolling round pipe from splashing. When the main pipe body is connected with an external pipeline, firstly, an abutting ring is pushed to extrude four springs, four limiting balls are leaked out, the external pipeline is inserted into the main pipe body, and when one end of the external pipeline abuts against a rubber ring on the surface of a fixing ring, the main pipe body is fixed through a nut. At the moment, pulling of the abutting ring is released, under the action of four springs, the abutting ring moves on the surface of the main pipe body and extrudes the four limiting balls to get close, and the four limiting balls are located in an annular groove and cannot move under limitation of the abutting ring.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-splashing at a rolling mill inlet, in particular to an anti-splashing device at a rolling mill inlet. Background Art

[0002] In the copper rod continuous casting and rolling production line, the cast embryo enters the rolling mill after pretreatment, and the large-section ingot is rolled with large-diameter rollers and large compression ratio to the required ingot surface. In this process, high-pressure emulsion is required for cleaning, cooling, and dephosphorization. Since the cleaning process will carry oxides, in order to prevent the oxides from rushing to the rollers and sticking to copper and affecting product quality, the high-pressure nozzle needs to be flushed outward, which will cause emulsion to splash out at the mill entrance.

[0003] The original anti-splash device only uses an annular air knife and compressed air to blow inside. It has high energy consumption and does not play much role if the emulsion pressure is high. The emulsion will still splash out, seriously affecting the on-site environment, high energy consumption, and increased costs. At the same time, the connection with the external pipe is bolted and cannot be quickly disconnected, which is inconvenient. Therefore, we need to provide a rolling mill inlet anti-splash device. Utility Model Content

[0004] The utility model aims to provide a rolling mill entrance anti-splash device, which reduces the amount of splash by welding a rolling round tube at the annular air knife purge port, arranges a reflux port under the rolling round tube, and makes the emulsion return to the rolling mill box to prevent overflow, welds the rolling round tube to a fixed bottom plate, arranges a through hole in the fixed bottom plate, and then fixes the rolling mill entrance box with a nut, and introduces emulsion into the liquid inlet instead of compressed air purge to reduce energy waste. When the main body is connected with the external pipe, first push the abutment ring to squeeze four springs, leak four limit balls, and insert the external pipe into the main body. When one end of the external pipe conflicts with the rubber ring on the surface of the fixed ring, the four balls are in the same plane with the annular groove. At this time, release the pull on the abutment ring. Under the action of the four springs, the abutment ring moves on the surface of the main body and squeezes the four limit balls close together. The four limit balls are located in the annular groove and cannot move under the restriction of the abutment ring, so that the external pipe and the main body can be quickly installed and removed, and the problems raised in the above background technology are solved.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rolling mill inlet anti-splash device, comprising:

[0006] An annular air knife, wherein a rolling round tube is welded at the purge port of the annular air knife;

[0007] Liquid inlets are provided on both sides of the annular air knife;

[0008] The insides of the two liquid inlets are both provided with quick-release mechanisms connected to external pipe fittings;

[0009] The bottom of the rolling round tube is provided with a reflux port for preventing the emulsion from overflowing;

[0010] A fixed bottom plate with a through hole is fixedly installed on one side of the rolled round tube;

[0011] The quick release mechanism comprises a main body fixedly mounted inside the liquid inlet, an external pipe is slidably mounted on the inner wall of the main body, an annular groove is provided on the surface of the external pipe, and a limiting piece for fixing the external pipe is arranged inside the main body.

[0012] Preferably, the limiting member comprises four slots opened inside the main pipe, and limiting balls are movably sleeved inside the four slots, and surfaces of the four limiting balls are matched with the annular grooves.

[0013] Preferably, it also includes a resistance ring for four limiting balls to resist and prevent movement, the interior of the resistance ring is movably connected to the surface of the main body, a fixing ring is fixedly installed on the surface of the main body, and four springs are clamped between the fixing ring and the side adjacent to the resistance ring.

[0014] Preferably, telescopic rods are movably sleeved inside the four springs, and the four telescopic rods are arranged between the fixing ring and the abutment ring.

[0015] Preferably, both sides of the abutment ring are integrally machined with a toggle plate with convex strips.

[0016] Preferably, the interiors of the four slot bodies are all provided with limiting grooves, and a limiting plate is fixedly mounted on the surface of the limiting ball, and the limiting plate is slidably mounted with the limiting grooves.

[0017] Preferably, a connecting ring with a rubber ring is fixedly installed inside the main pipe body, and one end of the external pipe fits with the rubber ring on one side of the connecting ring.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model welds the rolling inlet round pipe at the annular air knife purging port to reduce the amount of splashing, and arranges a reflux port under the rolling inlet round pipe so that the emulsion can flow back to the rolling mill box to prevent overflowing, and then welds the rolling inlet round pipe to the fixed bottom plate, arranges a through hole in the fixed bottom plate, and then fixes it to the rolling mill inlet box with a nut, and introduces emulsion into the liquid inlet instead of compressed air purging to reduce energy waste. When the main pipe body is connected with the external pipe, firstly, the resistance ring is pushed to squeeze four springs to make four limiting balls leak out, and the external pipe is inserted into the main pipe body. When one end of the external pipe conflicts with the rubber ring on the surface of the fixed ring, the four balls are in the same plane with the annular groove, and the pulling on the resistance ring is released at this time. Under the action of the four springs, the resistance ring moves on the surface of the main pipe body and squeezes the four limiting balls to be close together. The four limiting balls are located in the annular groove and cannot move under the restriction of the resistance ring, so that the external pipe and the main pipe body can be quickly installed and removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural front view of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the structure of the utility model;

[0022] Figure 3 It is a three-dimensional diagram of the local structure of the utility model;

[0023] Figure 4 It is a three-dimensional diagram of the limiting member of the utility model;

[0024] Figure 5 It is a three-dimensional cross-sectional view of the main pipe body of the utility model.

[0025] In the figure: 1. annular air knife; 2. rolled round tube; 3. liquid inlet; 4. quick release mechanism; 41. main body; 42. external pipe; 43. annular groove; 40. limiter; 401. groove body; 402. limiter ball; 5. reflux port; 6. through hole; 7. fixed bottom plate; 8. resistance ring; 9. fixed ring; 10. spring; 11. telescopic rod; 12. toggle plate; 13. limiter groove; 14. limiter sheet; 15. connecting ring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5The utility model provides a technical solution: a rolling mill entrance anti-splash device, comprising:

[0028] An annular air knife 1, a round tube 2 is welded at the purge port of the annular air knife 1;

[0029] Liquid inlets 3 are provided on both sides of the annular air knife 1;

[0030] The two liquid inlets 3 are provided with quick-release mechanisms 4 connected to external pipe fittings;

[0031] A reflux port 5 is provided at the bottom of the rolling tube 2 to prevent the emulsion from overflowing;

[0032] A fixed bottom plate 7 with a through hole 6 is fixedly installed on one side of the rolled round tube 2;

[0033] The quick release mechanism 4 includes a main body 41 fixedly installed inside the liquid inlet 3, an external pipe 42 is slidably installed on the inner wall of the main body 41, an annular groove 43 is provided on the surface of the external pipe 42, and a stopper 40 for fixing the external pipe 42 is arranged inside the main body 41.

[0034] The limiting member 40 includes four slots 401 provided inside the main body 41. The limiting balls 402 are movably sleeved inside the four slots 401. The surfaces of the four limiting balls 402 are adapted to the annular grooves 43.

[0035] In this embodiment, the rolling tube 2 is welded at the purge port of the annular air knife 1 to reduce the amount of splashing, and a reflux port 5 is set below the rolling tube 2 to allow the emulsion to flow back to the rolling mill box to prevent overflow. The rolling tube 2 is then welded to the fixed bottom plate 7, a through hole 6 is set in the fixed bottom plate 7, and then fixed to the rolling mill inlet box with a nut. The emulsion is introduced into the liquid inlet 3 instead of the compressed air purge to reduce energy waste. When the main body 41 is connected to the external pipe 42, the resistance ring 8 is first pushed to squeeze the four springs 10, and the four limit balls 4 02 leaks out, insert the external pipe 42 into the main pipe body 41, when one end of the external pipe 42 conflicts with the rubber ring on the surface of the fixing ring 9, the four balls and the annular groove 43 are in the same plane, at this time, release the pull on the conflicting ring 8, under the action of the four springs 10, the conflicting ring 8 moves on the surface of the main pipe body 41 and squeezes the four limiting balls 402 together, the four limiting balls 402 are located in the annular groove 43, and cannot move under the restriction of the conflicting ring 8, so that the external pipe 42 and the main pipe body 41 can be quickly installed and removed.

[0036] It also includes a resistance ring 8 for the four limiting balls 402 to resist and prevent movement, the interior of the resistance ring 8 is movably sleeved with the surface of the main body 41, a fixing ring 9 is fixedly installed on the surface of the main body 41, and four springs 10 are clamped between the fixing ring 9 and the adjacent side of the resistance ring 8;

[0037] Specifically, under the action of the four springs 10 , the abutment ring 8 moves on the surface of the main body 41 and squeezes the four limiting balls 402 to move together. The four limiting balls 402 are located in the annular groove 43 and cannot move under the restriction of the abutment ring 8 .

[0038] The four springs 10 are all movably sleeved with telescopic rods 11, and the four telescopic rods 11 are all arranged between the fixing ring 9 and the abutment ring 8;

[0039] Furthermore, the surface of the telescopic rod 11 is movably connected to the inside of the spring 10, thereby preventing the spring 10 from bending and becoming unusable, thereby protecting the spring 10.

[0040] Both sides of the abutment ring 8 are integrally machined with a toggle plate 12 with a convex strip portion;

[0041] The toggle plate 12 with the convex strips can enhance the friction when the toggle plate 12 is pushed. Meanwhile, the toggle plate 12 is on the surface of the abutment ring 8, which facilitates the pushing of the abutment ring 8.

[0042] The four slots 401 are provided with limiting grooves 13 inside, and the limiting pieces 14 are fixedly installed on the surface of the limiting balls 402, and the limiting pieces 14 are slidably installed with the limiting grooves 13;

[0043] In order to prevent the limiting ball 402 from being separated from the groove body 401 , a limiting piece 14 is integrally processed on the surface of the limiting ball 402 , and a limiting groove 13 for the limiting piece 14 to slide is provided in the groove body 401 .

[0044] A connecting ring 15 with a rubber ring is fixedly installed inside the main pipe body 41, and one end of the external pipe 42 is fitted with the rubber ring on one side of the connecting ring 15;

[0045] Specifically, when the connecting ring 15 with the rubber ring contacts the external pipe 42, the sealing performance is improved.

[0046] The device welds the rolling round tube 2 at the purge port of the annular air knife 1 to reduce the amount of splashing, and sets a reflux port 5 below the rolling round tube 2 to make the emulsion return to the rolling mill box to prevent overflow. The rolling round tube 2 is then welded to the fixed bottom plate 7, a through hole 6 is set in the fixed bottom plate 7, and then fixed to the rolling mill inlet box with nuts. The emulsion is introduced into the liquid inlet 3 instead of the compressed air purge to reduce energy waste. When the main body 41 is connected to the external pipe 42, the resistance ring 8 is first pushed to squeeze the four springs 10, and the four limit balls 402 are moved. The external pipe 42 is inserted into the main pipe body 41. When one end of the external pipe 42 contacts the rubber ring on the surface of the fixing ring 9, the four balls are in the same plane with the annular groove 43. At this time, the pulling on the contact ring 8 is released. Under the action of the four springs 10, the contact ring 8 moves on the surface of the main pipe body 41 and squeezes the four limiting balls 402 together. The four limiting balls 402 are located in the annular groove 43 and cannot move due to the restriction of the contact ring 8, so that the external pipe 42 and the main pipe body 41 can be quickly installed and removed.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rolling mill inlet anti-splash device, characterized in that: include: An annular air knife (1), wherein a round tube (2) for rolling is welded at a purge port of the annular air knife (1); Liquid inlets (3) are provided on both sides of the annular air knife (1); The two liquid inlets (3) are each provided with a quick-release mechanism (4) connected to an external pipe fitting; The bottom of the rolling round tube (2) is provided with a reflux port (5) for preventing the emulsion from overflowing; A fixed bottom plate (7) with a through hole (6) is fixedly mounted on one side of the rolled round tube (2); The quick-release mechanism (4) comprises a main pipe body (41) fixedly mounted inside the liquid inlet (3); an external pipe (42) is slidably mounted on the inner wall of the main pipe body (41); an annular groove (43) is provided on the surface of the external pipe (42); and a stopper (40) for fixing the external pipe (42) is provided inside the main pipe body (41).

2. The rolling mill inlet anti-splash device according to claim 1, characterized in that: The limiting member (40) comprises four grooves (401) provided inside the main pipe (41), and limiting balls (402) are movably sleeved inside the four grooves (401), and the surfaces of the four limiting balls (402) are adapted to the annular groove (43).

3. A rolling mill inlet splash prevention device according to claim 2, characterized in that: It also includes a resistance ring (8) for the four limiting balls (402) to resist and prevent movement, the interior of the resistance ring (8) being movably sleeved with the surface of the main pipe body (41), a fixing ring (9) being fixedly mounted on the surface of the main pipe body (41), and four springs (10) being clamped between the fixing ring (9) and one side adjacent to the resistance ring (8).

4. A rolling mill inlet splash prevention device according to claim 3, characterized in that: The four springs (10) are all movably sleeved with telescopic rods (11), and the four telescopic rods (11) are all arranged between the fixing ring (9) and the abutment ring (8).

5. The rolling mill inlet anti-splash device according to claim 4, characterized in that: Both sides of the abutment ring (8) are integrally machined with a toggle plate (12) with a convex strip portion.

6. The rolling mill inlet anti-splash device according to claim 2, characterized in that: The four groove bodies (401) are each provided with a limiting groove (13) inside, and a limiting plate (14) is fixedly mounted on the surface of the limiting ball (402), and the limiting plate (14) is slidably mounted on the limiting groove (13).

7. The rolling mill inlet splash prevention device according to claim 1, characterized in that: A connecting ring (15) with a rubber ring is fixedly installed inside the main pipe (41), and one end of the external pipe (42) is in contact with the rubber ring on one side of the connecting ring (15).

Images