Combined water gap for pouring tundish stopper rod

Abstract

The utility model discloses a tundish stopper rod pouring combined water gap, which relates to the technical field of combined water gaps, and comprises a pouring main body connecting piece and two rails symmetrically fixed at the bottom of the pouring main body connecting piece, and water gap pipelines for guiding cooling water are arranged on the inner sides of the two rails. One end of the track is connected with an air cylinder and limiting mechanisms distributed on the track, the water gap pipeline and the air cylinder, and the limiting mechanisms are used for automatically releasing the connection between the track and the water gap pipeline; the limiting mechanism comprises a limiting unit and a resetting unit; and the limiting unit is used for connecting the track and the water gap pipeline. By arranging the limiting mechanism, when the water gap pipeline is replaced, limiting of an old water gap pipeline can be automatically relieved, manual operation is not needed, the working efficiency is further improved, and replacement of the water gap pipeline and automatic limiting and unlocking of the water gap pipeline are completed.

Description

Technical Field

[0001] The utility model relates to the technical field of combined nozzles, in particular to a tundish plug rod casting combined nozzle. Background Art

[0002] Continuous casting machine production process. High-temperature molten steel is continuously poured into one or a group of water-cooled copper crystallizers. The molten steel gradually solidifies into a billet shell along the periphery of the crystallizer. When the molten steel level rises to a certain height and the billet shell solidifies to a certain thickness, the straightening machine pulls the billet out and sprays water in the secondary cooling zone to completely solidify the billet. The cutting device cuts it into a fixed length according to the requirements of steel rolling. This process of directly pouring high-temperature molten steel into billets is called continuous casting.

[0003] Generally, a continuous casting machine is composed of a molten steel carrier (a ladle, a turret), a tundish and a replacement device thereof, a crystallizer and a vibration device thereof, a clamping roller in a secondary cooling zone and a cooling water system, a pulling and straightening machine, a cutting device, an ingot guiding device, etc. When replacing a combined nozzle in the prior art, the nozzle pipe to be replaced is generally placed in a loading area for waiting by manual labor, and then the nozzle pipe is pushed by a cylinder to move the new pipe to the position of the old pipe to complete the replacement of the nozzle. In order to further improve the stability, when the nozzle is replaced, the limit on the old nozzle is automatically released. The utility model proposes a tundish plug rod casting combined nozzle. Utility Model Content

[0004] The utility model aims to provide a combined tundish plug rod pouring nozzle to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A tundish plug rod casting combined nozzle, comprising a casting body connecting piece and two tracks symmetrically fixed to the bottom of the casting body connecting piece, nozzle pipes for guiding cooling water are installed on the inner sides of the two tracks, one end of the track is connected to a cylinder, and limiting mechanisms are distributed on the track, the nozzle pipe and the cylinder, and the limiting mechanism is used to automatically release the connection between the track and the nozzle pipe;

[0007] The limiting mechanism includes a limiting unit and a resetting unit;

[0008] The limiting unit is used to connect the track and the water outlet pipe;

[0009] The resetting unit is used to provide elastic force for resetting the limiting unit.

[0010] As a further solution of the utility model: the limiting unit includes a push block, a limiting groove, a movable block, a connecting rod, and a limiting block;

[0011] The push block is fixed at the output end of the cylinder, and is used to push the nozzle pipe to move axially;

[0012] The limiting groove is provided on the outer wall of the water inlet pipe, and the limiting groove is used to provide space for the limiting block to enter;

[0013] The movable block is laterally slidably mounted in the bottom inner cavity of the track and extends to the outside of the track, and the movable block is used to drive the limit block to move synchronously;

[0014] The connecting rod is fixed at one end of the movable block and connected to the limit block, and the connecting rod is used to synchronously drive the limit block to move;

[0015] The limit block is fixed at one end of the connecting rod and extends to the outside of the track. The limit block is connected to the limit track and the water outlet pipe through the limit groove.

[0016] As a further solution of the utility model: the position unit includes a positioning rod and a spring;

[0017] The positioning rod is fixed inside the track and passes through the connecting rod, and the positioning rod is used to provide guidance for the lateral movement of the connecting rod;

[0018] The two ends of the spring are respectively clamped on the inside of the track and the outer wall of the connecting rod, and the spring is used to provide elastic force for resetting the connecting rod.

[0019] As a further solution of the utility model: both ends of the outer wall of the movable block are in an inclined state, and a protrusion for limiting the movement of the movable block is fixed on the top of the movable block.

[0020] As a further solution of the utility model: both ends of the limit block are in an arc surface state, and the inside of the track is formed with a movable groove for the movable block, the connecting rod and the limit block to move laterally.

[0021] As a further solution of the utility model: the outer wall of the positioning rod is in a "T"-shaped structure as a whole, and the inner cavity of the connecting rod is consistent with the outer wall of the positioning rod.

[0022] As a further solution of the utility model: an "L"-shaped slide groove for axial movement of the water supply pipe is formed on one side of the two tracks that are close to each other, one end of one track is rotatably connected to the side of the cylinder's outer shell by a hinge, and one end of the other track is reinforced and connected to the other side of the cylinder's outer shell by bolts.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] By setting a limit mechanism, the limit of the old water inlet pipe can be automatically released when the water inlet pipe is replaced, without manual operation, further improving work efficiency, completing the replacement of the water inlet pipe, and automatically limiting and unlocking the water inlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of a tundish plug rod casting combined nozzle;

[0026] Figure 2 A schematic diagram of the nozzle pipe installation structure of a tundish plug rod casting combined nozzle;

[0027] Figure 3 The present invention is a structural schematic diagram of a limiting mechanism for a tundish plug rod casting combined nozzle.

[0028] In the figure: 1. track; 2. water inlet pipe; 3. cylinder; 4. limit mechanism; 401. push block; 402. limit groove; 403. movable block; 404. connecting rod; 405. limit block; 406. positioning rod; 407. spring; 5. casting body connecting parts. DETAILED DESCRIPTION

[0029] See also Figures 1 to 3 In the embodiment of the utility model, a tundish plug rod casting combined nozzle includes a casting body connecting member 5 and two tracks 1 symmetrically fixed to the bottom of the casting body connecting member 5, a nozzle pipe 2 for guiding cooling water is installed on the inner side of the two tracks 1, a cylinder 3 is connected to one end of the track 1, and a limiting mechanism 4 is distributed on the track 1, the nozzle pipe 2, and the cylinder 3, and the limiting mechanism 4 is used to automatically release the connection between the track 1 and the nozzle pipe 2;

[0030] The limiting mechanism 4 includes a limiting unit and a resetting unit;

[0031] The limit unit is used to connect the track 1 and the water outlet pipe 2;

[0032] The reset unit is used to provide elastic force for resetting the limit unit;

[0033] The limiting unit includes a push block 401, a limiting groove 402, a movable block 403, a connecting rod 404, and a limiting block 405;

[0034] The push block 401 is fixed to the output end of the cylinder 3, and is used to push the nozzle pipe 2 to move axially;

[0035] The limiting groove 402 is provided on the outer wall of the water inlet pipe 2, and the limiting groove 402 is used to provide space for the limiting block 405 to enter;

[0036] The movable block 403 is laterally slidably installed in the bottom inner cavity of the track 1 and extends to the outside of the track 1. The movable block 403 is used to drive the limit block 405 to move synchronously;

[0037] The connecting rod 404 is fixed to one end of the movable block 403 and connected to the limit block 405. The connecting rod 404 is used to synchronously drive the limit block 405 to move;

[0038] The limit block 405 is fixed at one end of the connecting rod 404 and extends to the outside of the track 1. The limit block 405 is connected to the limit track 1 and the water inlet pipe 2 through the limit groove 402;

[0039] The reset unit includes a positioning rod 406 and a spring 407;

[0040] The positioning rod 406 is fixed inside the track 1 and passes through the connecting rod 404. The positioning rod 406 is used to provide guidance for the lateral movement of the connecting rod 404.

[0041] The two ends of the spring 407 are respectively clamped on the inside of the track 1 and the outer wall of the connecting rod 404, and the spring 407 is used to provide elastic force for the reset of the connecting rod 404;

[0042] An "L"-shaped slide groove for axial movement of the water supply pipe 2 is formed on the side of the two tracks 1 that are close to each other. One end of one track 1 is rotatably connected to the side of the outer shell of the cylinder 3 through a hinge, and one end of the other track 1 is reinforced and connected to the other side of the outer shell of the cylinder 3 through bolts.

[0043] For this type of intermediate package plug rod casting combined nozzle, when it is necessary to replace the nozzle pipe 2 at the bottom of the casting main body connecting piece 5, open the cylinder 3 connected to the track 1 hinge to expose the port of the track 1 for the nozzle pipe 2 to be replaced to enter, place the nozzle pipe 2 to be replaced in the axial sliding at the bottom of the track 1, make the two nozzle pipes 2 flush, then reset and fix the connecting cylinder 3, and then start the cylinder 3. The cylinder 3 will push the push block 401 connected to the output end to move axially. During the movement of the push block 401, it will first contact the inclined surface of the movable block 403 on the inner side of the bottom of the track 1, give the movable block 403 an extrusion force, so that the movable block 403 enters the interior of the track 1, and the movable block 403 entering the interior of the track 1 will synchronously drive the connecting rod 404 to move, and the connecting rod 404 will move along the outer wall of the positioning rod 406 and give the spring 407 an extrusion force, and the movement of the connecting rod 404 will synchronously drive the limit block 405 to move , so that the limit block 405 is moved out from the inside of the sprue pipe 2 connected to the track 1, so that the limit of this sprue pipe 2 is released. At this time, the pushing block 401 contacts the outer wall of the sprue pipe 2 to be replaced, and the sprue pipe 2 to be replaced will slide axially along the track 1, and simultaneously give the sprue pipe 2 with the limit released an extrusion force, so that the old sprue pipe 2 moves out of the port of the track 1, and the sprue pipe 2 to be replaced will gradually dock with the port of the casting main body connecting piece 5. When the pushing block 401 moves to the maximum distance, the sprue pipe 2 to be replaced will also be aligned with the port of the casting main body connecting piece 5. At this time, the movable block 403 and the connecting rod 404 that have lost the extrusion force from the pushing block 401 will also enter the limit groove 402 of the outer wall of the sprue pipe 2 under the elastic force of the spring 407, completing the connection between the track 1 and the sprue pipe 2. In this way, the replacement operation of the sprue pipe 2 at the bottom of the casting main body connecting piece 5 is completed.

[0044] exist Figure 1-3 Middle: Both ends of the outer wall of the movable block 403 are inclined, a protrusion for limiting the movement of the movable block 403 is fixed to the top of the movable block 403, both ends of the limiting block 405 are in an arc state, and a movable groove for lateral movement of the movable block 403, the connecting rod 404, and the limiting block 405 is formed inside the track 1.

[0045] This type of intermediate package plug rod casting combined water nozzle can, through this structure, under the action of the curved surface of the limit block 405, when the water nozzle pipe 2 is not aligned, give the limit groove 402 an extrusion thrust through the curved surface of the limit block 405, so that the water nozzle pipe 2 is aligned with the port of the track 1.

[0046] exist Figure 1-3 Middle: The outer wall of the positioning rod 406 is in a “T”-shaped structure as a whole, and the inner cavity of the connecting rod 404 is consistent with the outer wall of the positioning rod 406 .

[0047] This type of tundish plug rod casting combined nozzle has a structure in which when the connecting rod 404 moves, the spring 407 provides elastic force for returning the connecting rod 404.

[0048] The working principle of the utility model is as follows: when it is necessary to replace the water inlet pipe 2 at the bottom of the casting body connecting piece 5, open the cylinder 3 connected with the track 1 hinge to expose the port of the track 1 for the water inlet pipe 2 to be replaced, place the water inlet pipe 2 to be replaced in the axial sliding at the bottom of the track 1, make the two water inlet pipes 2 flush, then reset and fix the connecting cylinder 3, then start the cylinder 3, the cylinder 3 will push the push block 401 connected to the output end to move axially, during the movement of the push block 401, it will first contact the inclined surface of the movable block 403 on the inner side of the bottom of the track 1, give the movable block 403 an extrusion force, so that the movable block 403 enters the interior of the track 1, and the movable block 403 enters the interior of the track 1, which will synchronously drive the connecting rod 404 to move, the connecting rod 404 will move along the outer wall of the positioning rod 406 and give the spring 407 an extrusion force, the movement of the connecting rod 404 will synchronously drive the limit block 405 to move, The limit block 405 is moved out from the inside of the sprue pipe 2 connected to the track 1, so that the limit of this sprue pipe 2 is released. At this time, the push block 401 contacts the outer wall of the sprue pipe 2 to be replaced, and the sprue pipe 2 to be replaced will slide axially along the track 1, and simultaneously give an extrusion force to the sprue pipe 2 that has been released from the limit, so that the old sprue pipe 2 moves out of the port of the track 1, and the sprue pipe 2 to be replaced will gradually dock with the port of the casting main body connecting piece 5. When the push block 401 moves to the maximum distance, the sprue pipe 2 to be replaced will also be aligned with the port of the casting main body connecting piece 5. At this time, the movable block 403 and the connecting rod 404 that have lost the extrusion force from the push block 401 will also enter the limit groove 402 on the outer wall of the sprue pipe 2 under the elastic force of the spring 407, completing the connection between the track 1 and the sprue pipe 2. In this way, the replacement operation of the sprue pipe 2 at the bottom of the casting main body connecting piece 5 is completed.

[0049] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tundish plug rod casting combined nozzle, comprising a casting body connecting piece (5) and two rails (1) symmetrically fixed to the bottom of the casting body connecting piece (5), the inner sides of the two rails (1) are installed with nozzle pipes (2) for guiding cooling water, one end of the rail (1) is connected to a cylinder (3), characterized in that: A limiting mechanism (4) distributed on the track (1), the nozzle pipe (2), and the cylinder (3), wherein the limiting mechanism (4) is used to automatically release the connection between the track (1) and the nozzle pipe (2); The limiting mechanism (4) comprises a limiting unit and a resetting unit; The limiting unit is used to connect the track (1) and the water inlet pipe (2); The resetting unit is used to provide elastic force for resetting the limiting unit.

2. The tundish plug rod pouring combined nozzle according to claim 1, characterized in that: The limiting unit comprises a push block (401), a limiting groove (402), a movable block (403), a connecting rod (404), and a limiting block (405); The push block (401) is fixed to the output end of the cylinder (3), and the push block (401) is used to push the nozzle pipe (2) to move axially; The limiting groove (402) is provided on the outer wall of the water inlet pipe (2), and the limiting groove (402) is used to provide space for the limiting block (405) to enter; The movable block (403) is laterally slidably mounted in the bottom inner cavity of the track (1) and extends to the outside of the track (1), and the movable block (403) is used to drive the limit block (405) to move synchronously; The connecting rod (404) is fixed to one end of the movable block (403) and connected to the limit block (405), and the connecting rod (404) is used to synchronously drive the limit block (405) to move; The limit block (405) is fixed to one end of the connecting rod (404) and extends to the outside of the track (1); the limit block (405) is connected to the limit track (1) and the water inlet pipe (2) through the limit groove (402).

3. The tundish plug rod pouring combined nozzle according to claim 1, characterized in that: The resetting unit comprises a positioning rod (406) and a spring (407); The positioning rod (406) is fixed inside the track (1) and passes through the connecting rod (404), and the positioning rod (406) is used to provide guidance for the lateral movement of the connecting rod (404); The two ends of the spring (407) are respectively clamped on the inside of the track (1) and the outer wall of the connecting rod (404), and the spring (407) is used to provide elastic force for resetting the connecting rod (404).

4. The tundish plug rod pouring combined nozzle according to claim 2, characterized in that: Both ends of the outer wall of the movable block (403) are in an inclined state, and a protrusion for limiting the movement of the movable block (403) is fixed to the top of the movable block (403).

5. The tundish plug rod pouring combined nozzle according to claim 2, characterized in that: Both ends of the limit block (405) are in an arcuate state, and a movable groove for the movable block (403), the connecting rod (404) and the limit block (405) to move laterally is formed inside the track (1).

6. The tundish plug rod pouring combined nozzle according to claim 3, characterized in that: The outer wall of the positioning rod (406) is in a "T"-shaped structure as a whole, and the inner cavity of the connecting rod (404) is consistent with the outer wall of the positioning rod (406).

7. The tundish plug rod pouring combined nozzle according to claim 1, characterized in that: An "L"-shaped slide groove for axial movement of the water supply pipe (2) is formed on the mutually adjacent sides of the two rails (1); one end of one rail (1) is rotatably connected to the side of the outer shell of the cylinder (3) via a hinge, and one end of the other rail (1) is reinforcedly connected to the other side of the outer shell of the cylinder (3) via bolts.

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