Rapid butt joint device for cooling water of crystallizer of semi-continuous casting machine

Abstract

A rapid butt joint device for cooling water of a crystallizer of a semi-continuous casting machine comprises a water connecting base and a butt joint, a connecting structure is arranged on the water connecting base and comprises at least one connecting sleeve, the butt joint comprises an inserting part and a connecting part arranged at one end of the inserting part, a step face is formed on the inner wall of the connecting sleeve, and the connecting sleeve is provided with a water inlet and a water outlet. A fixing plate is fixedly arranged on the peripheral face of the connecting sleeve, a pressing plate is arranged on the outer side of a port of the connecting sleeve, a butt joint hole is formed in the middle of the pressing plate, and the pressing plate is connected with the connecting sleeve through a bolt. A guide copper sleeve and a sealing ring are arranged between the pressing plate and the step face of the connecting sleeve and are coaxially arranged, the outer end face of the guide copper sleeve abuts against the inner side face of the pressing plate, and the two sides of the sealing ring abut against the step face and the inner end face of the guide copper sleeve respectively. The inserting part of the butt joint is inserted among the sealing ring, the guide copper sleeve and the inner periphery of the butt joint hole; the large-pipe-diameter water pipe butt joint device has the advantages of being good in butt joint sealing effect, long in service life and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of semi - continuous casting, in particular to a rapid docking device for the cooling water of a crystallizer of a semi - continuous casting machine. Background Art

[0002] The semi - continuous casting machine is a key device for the production of non - ferrous metal ingots such as copper alloys. During the casting process, liquid metal is injected into the crystallizer, and a large flow of cooling water is used to continuously cool down the crystallizer on the casting trolley, promoting the metal to gradually solidify into an ingot. The stable supply of cooling water is crucial for ensuring the uniform cooling and high - quality output of the ingot. The semi - continuous casting machine is characterized in that after producing one ingot, the casting trolley needs to be moved to one side to leave a position for lifting the ingot. After the ingot is transported away, the casting trolley needs to be moved to the casting position to continue casting. During this process, the cooling water pipe on the casting trolley needs to be disconnected from the cooling water base, and during production, it needs to be docked and have good sealing. 4 - 6 ingots are produced per shift, so the casting trolley needs to be moved frequently. Due to the frequent movement of the casting trolley and the requirement of casting continuity, it poses extremely high challenges to the rapid docking and sealing of the cooling water pipeline. On the one hand, the docking process must be completed quickly to ensure that the casting efficiency is not affected; on the other hand, the sealing after docking must be strictly guaranteed to prevent the loss of cooling water flow, thereby ensuring the uniform cooling and high quality of the ingot.

[0003] However, the traditional cooling water pipeline connection method by manual operation has been difficult to meet the requirements of the modern melting and casting industry in terms of efficiency and sealing. Therefore, there is an urgent need for a docking device that can achieve rapid docking of large - diameter cooling water pipes and has good sealing. Summary of the Utility Model

[0004] The utility model is to overcome the deficiencies of the prior art and provide a rapid docking device for the cooling water of a crystallizer of a semi - continuous casting machine. It has a simple structure and strong applicability, can achieve rapid docking of large - diameter water pipes, and has the characteristics of good docking and sealing effects and long service life.

[0005] To achieve the above object, the utility model adopts the following technical solutions. A quick docking device for the cooling water of the crystallizer of a semi-continuous casting machine includes a fixedly arranged water connection base and a docking joint used in cooperation with it. A connection structure is arranged on the water connection base. The connection structure includes at least one connection sleeve horizontally nested on the side wall of the water connection base. The docking joint includes a tubular insertion part and a connection part arranged at one end of the insertion part. A stepped surface is formed by the inner wall of the connection sleeve being recessed radially. A fixing plate is fixedly arranged on the outer peripheral surface of the connection sleeve. A pressing plate movable towards the fixing plate is arranged outside the port of the connection sleeve. A docking hole through which the insertion part can pass is arranged in the middle of the pressing plate. The pressing plate and the connection sleeve are connected by bolts. A guiding copper sleeve and a sealing ring are arranged between the pressing plate and the stepped surface of the connection sleeve. The guiding copper sleeve is coaxially arranged with the connection sleeve. The outer end surface of the guiding copper sleeve abuts against the inner side surface of the pressing plate and can slide along the axial direction of the connection sleeve. The two sides of the sealing ring respectively abut against the stepped surface and the inner end surface of the guiding copper sleeve to form a sealing structure. The insertion part of the docking joint is inserted between the inner circumferences of the sealing ring, the guiding copper sleeve and the docking hole.

[0006] A polytetrafluoroethylene gasket is also arranged between the sealing ring and the stepped surface of the connection sleeve.

[0007] The connection part of the docking joint is a flange seat.

[0008] The sealing ring is a U-shaped sealing ring.

[0009] Working principle: During use, the docking joint is firmly connected to the cooling water pipe of the crystallizer on the casting trolley through the flange seat. The distance between the pressing plate and the fixing plate is adjusted by bolts. During adjustment, the pressing plate drives the guiding copper sleeve to slide along the axial direction of the connection sleeve towards the sealing ring. The guiding copper sleeve squeezes the sealing ring against the stepped surface of the connection sleeve, causing the sealing ring to expand towards the axis of the connection sleeve. During casting, the casting trolley is translated to the casting position, driving the docking joint to be inserted between the inner circumferences of the sealing ring, the guiding copper sleeve and the docking hole on the connection sleeve from the section where the guiding copper sleeve is installed on the connection sleeve. During the insertion process, the guiding copper sleeve guides the docking joint to ensure that it is concentric with the base cylindrical sleeve. After insertion, the sealing ring tightly wraps the outer peripheral surface of the docking joint to achieve a sealing effect. At this time, water is passed through the other end of the connection sleeve for cooling and casting. After casting is completed, the casting trolley is moved to the lifting position. During the movement, the casting trolley drives the docking joint to separate from the connection sleeve on the water connection base. When casting again, directly moving the casting trolley to the casting position can achieve the quick docking of the casting water.

[0010] The beneficial effects of the utility model are as follows: The utility model has a simple and reliable structure, is economical and practical, and is convenient for maintenance. It is widely used in the casting process of semi-continuous casting machines in the smelting and casting industries. It can not only achieve the rapid docking of large-diameter casting water pipelines, but also has a good sealing effect. By adjusting the threads on the pressure plate, the sealing ring can be further extruded to achieve a sealing effect, greatly extending the service life of the sealing ring and facilitating popularization and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present utility model will be further described below with reference to the accompanying drawings:

[0012] Figure 1 is an exploded structural schematic diagram of the general assembly of the present utility model;

[0013] Figure 2 is Figure 1 an enlarged structural schematic diagram of part A in

[0014] In the figure: water connection base 1, docking joint 2, insertion part 2-1, connection part 2-2, connection sleeve 3, stepped surface 3-1, fixing plate 4, pressure plate 5, docking hole 5-1, bolt 6, guide copper sleeve 7, sealing ring 8, polytetrafluoroethylene gasket 9. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0016] Embodiment 1

[0017] Referring to Figure 1 - Figure 2 , a rapid docking device for the cooling water of the crystallizer of a semi-continuous casting machine, comprising a fixedly arranged water connection base 1 and a docking joint 2 cooperating with the same. A connection structure is arranged on the water connection base 1. The connection structure includes at least one connection sleeve 3 horizontally nested on the side wall of the water connection base 1. The docking joint 2 includes a tubular insertion part 2-1 and a connection part 2-2 arranged at one end of the insertion part 2-1. A stepped surface 3-1 is formed by the inner wall of the connection sleeve 3 being recessed radially. A fixing plate 4 is fixedly arranged on the outer peripheral surface of the connection sleeve 3. A pressure plate 5 that can move towards the fixing plate 4 is arranged outside the port of the connection sleeve 3. A docking hole 5-1 through which the insertion part 2-1 can pass is arranged in the middle of the pressure plate 5. The pressure plate 5 and the connection sleeve 3 are connected by bolts 6. A guide copper sleeve 7 and a sealing ring 8 are arranged between the pressure plate 5 and the stepped surface 3-1 of the connection sleeve 3. The guide copper sleeve 7 is coaxially arranged with the connection sleeve 3. The outer end surface of the guide copper sleeve 7 abuts against the inner side surface of the pressure plate 5 and can slide along the axial direction of the connection sleeve 3. The two sides of the sealing ring 8 respectively abut against the stepped surface 3-1 and the inner end surface of the guide copper sleeve 7 to form a sealing structure. The insertion part 2-1 of the docking joint 2 is inserted between the inner circumferences of the sealing ring 8, the guide copper sleeve 7, and the docking hole 5-1.

[0018] A polytetrafluoroethylene gasket 9 is also arranged between the sealing ring 8 and the step surface 3-1 of the connecting sleeve 3.

[0019] The connecting part of the butt joint 2 is a flange seat.

[0020] The sealing ring 8 is a U-shaped sealing ring.

Claims

1. A quick docking device for cooling water of a semi-continuous casting machine crystallizer, comprising a fixedly arranged water connection base (1) and a docking joint (2) used in conjunction with the water connection base, characterized in that: The water connection base (1) is provided with a connection structure, the connection structure comprising at least one connection sleeve (3) horizontally nested on the side wall of the water connection base (1), the butt joint (2) comprising a cylindrical plug-in portion (2-1) and a connection portion (2-2) provided at one end of the plug-in portion (2-1), the inner wall of the connection sleeve (3) being radially recessed to form a step surface (3-1), a fixing plate (4) being fixedly provided on the outer peripheral surface of the connection sleeve (3), a pressing plate (5) being movable toward the fixing plate (4) being provided on the outer side of the port of the connection sleeve (3), and a butt joint hole (5-2) being provided in the middle of the pressing plate (5) through which the plug-in portion (2-1) can pass. -1, the pressing plate (5) and the connecting sleeve (3) are connected by bolts (6); a guide copper sleeve (7) and a sealing ring (8) are arranged between the pressing plate (5) and the step surface (3-1) of the connecting sleeve (3); the guide copper sleeve (7) and the connecting sleeve (3) are coaxially arranged; the outer end surface of the guide copper sleeve (7) abuts against the inner side surface of the pressing plate (5) and can slide along the axial direction of the connecting sleeve (3); the two sides of the sealing ring (8) respectively abut against the step surface (3-1) and the inner end surface of the guide copper sleeve (7) to form a sealing structure; the plug-in portion (2-1) of the butt joint (2) is plugged between the sealing ring (8), the guide copper sleeve (7) and the inner periphery of the butt hole (5-1).

2. A quick docking device for cooling water of a semi-continuous casting machine crystallizer according to claim 1, characterized in that: A polytetrafluoroethylene gasket (9) is also provided between the sealing ring (8) and the step surface (3-1) of the connecting sleeve (3).

3. A quick docking device for cooling water of a semi-continuous casting machine crystallizer according to claim 1, characterized in that: The connecting portion (2-2) of the butt joint (2) is a flange seat.

4. A quick docking device for cooling water of a semi-continuous casting machine crystallizer according to claim 1, characterized in that: The sealing ring (8) is a U-shaped sealing ring.

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