CN211248248U

CN211248248U - Continuous casting roller

Info

Publication number: CN211248248U
Application number: CN201922393888.0U
Authority: CN
Inventors: 乔军伍; 卢显富
Original assignee: Wuhan Keda Tajiang Hi Tech Co ltd
Current assignee: Wuhan Keda Tajiang Hi Tech Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-14
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a continuous casting roller, the coaxial setting of first dabber and second dabber, connect through connecting key and shaft between the first dabber, the setting of second dabber is installed in the left end and the right-hand member of continuous casting roller, the second dabber is connected with adjacent first dabber under the effect of connecting key and shaft, the rotation of second dabber drives the rotation of shaft, the rotation of shaft further drives first dabber rotation, thereby realize the transmission of moment of torsion, furthermore, the first dabber of coaxial setting, second dabber and shaft run through and be provided with the cooling channel who is linked together, above, in realizing the rotation of continuous casting roller and refrigerated basic function, with first dabber and the second dabber of segmentation setting, and a non-traditional dabber, this design is convenient for more the installation and change; the middle part of the first mandrel is sleeved with a first bearing and a first bearing seat, the second mandrel is sleeved with a second bearing and a second bearing seat, and the mandrel at each section is supported better.

Description

Continuous casting roller

Technical Field

The utility model relates to a steel production field specifically is a continuous casting roller.

Background

The continuous casting technique is a method for rapidly promoting molten steel to be formed, and the method needs to be completed in cooperation with a continuous casting machine, and a continuous casting roll is one of main parts of the continuous casting machine, which is a working unit directly contacting with a billet surface in the whole continuous casting system, so that the quality and the service life of the continuous casting roll are very important in continuous casting production. The existing continuous casting roller has two basic forms, namely a sectional continuous casting roller and a mandrel continuous casting roller, wherein the sectional continuous casting roller is complex to mount and easy to slide in rotation, and the mandrel of the mandrel is forged in a whole body, so that the material preparation period is too long, the machining and mounting are complex, and the replacement is inconvenient. Therefore, how to provide a continuous casting roll which is simple and convenient to install, convenient to detach and replace and not easy to slide in rotation needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a continuous casting roller to solve the above-mentioned sectional type continuous casting roller work rotation in easily appear sliding and the mandrel type continuous casting roller processing complicated, the not convenient problem of changing.

The utility model provides a scheme as follows of above-mentioned technical problem: a continuous casting roll, comprising:

at least one first mandrel, at least one second mandrel and a plurality of roll bodies;

the second mandrel is arranged at the end part of the continuous casting roller, the second mandrel is fixedly connected with the first mandrel through a connecting key and the roller body, the first mandrels are also fixedly connected with the roller body through the connecting key, and the first mandrel, the second mandrel and the roller body are coaxially provided with a through cooling channel; the outer side wall sleeve of the first mandrel is provided with a first bearing, the outer side wall sleeve of the second mandrel is provided with a second bearing, and the first bearing and the second bearing are used for supporting the first mandrel and the second mandrel respectively.

Preferably, both ends of the first mandrel are provided with first connecting key slots matched with the connecting keys, one end of the second mandrel close to the first mandrel is also provided with first connecting key slots, and the inner side wall of the roller body is provided with second connecting key slots matched with the connecting keys, so that torque transmission is realized under the fixed connection effect of the connecting keys.

Preferably, the second mandrel is far away from one end of the first mandrel, and a rotary joint is detachably sleeved on the end of the second mandrel and communicated with the cooling channel.

Preferably, the outer side surface of the roller body is also provided with a bushing.

Preferably, the continuous casting roll further comprises a first bearing seat and a transparent cover, the first bearing seat is connected with the first mandrel through the first bearing, and the transparent cover is sleeved on the first mandrel and is fixedly connected with the first bearing seat.

Preferably, the continuous casting roll further comprises a second bearing seat, an end cover, a bearing locking sleeve and a shaft sleeve, the second bearing seat is connected with the second mandrel through the second bearing, the end cover is fixedly installed at one end, far away from the first mandrel, of the second mandrel, and the rotary joint is fixedly installed at the end cover; the bearing locking sleeve and the shaft sleeve are all sleeved on the second mandrel, one side of the bearing locking sleeve is abutted to the end cover and the other side of the bearing locking sleeve is abutted to the second bearing, one side of the shaft sleeve is abutted to the second bearing, and the other side of the shaft sleeve is abutted to the roller body.

The utility model provides a pair of continuous casting roller has following beneficial effect: the second mandrel is fixedly connected with the roller body through a connecting key between the second mandrel and the adjacent first mandrels, the first mandrels are also fixedly connected with the roller body through the connecting key between the first mandrels and the adjacent first mandrels, torque is effectively transmitted to enable the first mandrels, the second mandrels and the roller body to simultaneously rotate, and the cooling channels and the rotary joints are arranged to facilitate the cooling treatment of the continuous casting roller; the arrangement of the bush plays a role in protecting the roller body which is directly contacted with the billet, and the service life of the roller body is prolonged; the transparent cover is sleeved on the first core shaft and is fixedly installed on the first bearing seat, so that the condition that dust enters the first bearing seat in a severe working environment is avoided.

Drawings

The accompanying drawings, which are described herein to provide a further understanding of the invention and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention without forming an undue limitation to the invention, in which:

FIG. 1 is a schematic structural view of an embodiment of a continuous casting roll according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

As shown in fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a continuous casting roll according to the present invention. The continuous casting roll comprises at least one first mandrel 1, at least one second mandrel 2 and a plurality of roll bodies 3, wherein the first mandrel 1 and the second mandrel 2 are coaxially arranged, the second mandrels 2 are arranged at two ends of the continuous casting roll, and the second mandrels 2 are fixedly connected with the adjacent first mandrels 1 through the roll bodies 3; specifically, the first connecting key groove with 5 looks adaptations of connecting key is seted up to the one end that second dabber 2 is close to first dabber 1, the first connecting key groove with 5 looks adaptations of connecting key is also seted up to the left end and the right-hand member of first dabber 1, the second connecting key groove with 5 looks adaptations of connecting key is then seted up to the inside wall of roll body 3, therefore, the roll body 3 of simultaneously overlapping first dabber 1 and second dabber 2 realizes through the connecting key 5 that corresponds separately that is connected with first dabber 1 and second dabber 2 is fixed, in order to realize that the rotation of second dabber 2 drives the rotation of roll body 3, and then the rotation of roll body 3 drives the rotation of first dabber 1, connecting key 5 plays the effect of transmission moment of torsion. Similarly, the torque transmission between the first mandrels 1 at the middle positions of the continuous casting rolls is realized through the arrangement of the connecting keys 5, and the details are not repeated here. In order to better support the first mandrel 1, the second mandrel 2 and the roller body 3, a first bearing 41 is sleeved at the middle position of the first mandrel 1, a second bearing 42 is sleeved at one end, far away from the first mandrel 1, of the second mandrel 2, and preferably, both the first bearing 41 and the second bearing 42 are self-aligning roller bearings.

Preferably, the second dabber 2 is kept away from one side detachably cover of first dabber 1 and is established and install rotary joint 6, and rotary joint 6 preferred one-way circulation formula to with cooling liquid from the left end input of continuous casting roller and discharge from the right-hand member, what need remind, first dabber 1, second dabber 2 and the roll body 3 of coaxial setting installation all offer the cooling channel 7 that is linked together along its axial lead, and cooling channel 7 runs through whole continuous casting roller, with effective realization cooling.

Preferably, the outer side surface of the roller body 3 is further sleeved with a bushing 31 to prolong the service life of the roller body 3 and protect the roller body.

For a better explanation of sections a and B in fig. 1, please continue to refer to fig. 2-3. The second bearing seat 112 is connected with the second mandrel 2 through a second bearing 42, an end cover 8 is installed on the left side of the second bearing seat 112, the end cover 8 is fixedly connected with the second bearing seat 112 through connecting pieces such as bolts, in addition, a bearing locking sleeve 9 is further sleeved and installed between the end cover 8 and the second bearing 42, the left end of the bearing locking sleeve 9 abuts against the end cover 8, the right end abuts against the second bearing 42, in order to better connect and fix the second bearing seat 112 with the second mandrel 2, a shaft sleeve 10 is further installed between the right end of the second bearing 42, the second bearing seat 112 and the second mandrel 2, the right end of the shaft sleeve 10 abuts against the roller body 3, and the left end abuts against the second bearing 42 and the second; the rotary joint 6 is also fixedly arranged on the left side of the end cover 8 through a bolt, and the rotary joint 6 is communicated with a cooling channel 7 arranged on the second mandrel 2. The first bearing seat 111 is connected with the first mandrel 1 through the first bearing 41, and the right side of the first bearing 41 is also provided with the bearing through cover 12, so that dust of the continuous casting roll is prevented from entering the first bearing seat 111 in a severe environment.

The utility model provides a pair of continuous casting roller, the coaxial setting of first dabber and second dabber, connect through connecting key and roll body between the first dabber, the setting of second dabber is installed in the left end and the right-hand member of continuous casting roller, the second dabber is connected with adjacent first dabber under the effect of connecting key and roll body, the rotation of second dabber drives the rotation of roll body, the rotation of roll body further drives first dabber rotation, thereby realize the transmission of moment of torsion, furthermore, the first dabber of coaxial setting, second dabber and roll body run through and be provided with the cooling channel who is linked together, above, in realizing the rotation of continuous casting roller and refrigerated basic function, with first dabber and the second dabber of segmentation setting, and only a non-traditional dabber, this design is convenient for installation and change more; the middle part of the first mandrel is sleeved with a first bearing and a first bearing seat, and the second mandrel is sleeved with a second bearing and a second bearing seat to better support the mandrel at each section; the second mandrel is detachably sleeved on the rotary joint, and the rotary joint is communicated with the cooling channel, so that the rotating continuous casting roll can be cooled conveniently; the outer side surface of the roller body is provided with a bushing which plays a role in protecting the roller body directly contacted with the surface of the billet.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A continuous casting roll, characterized in that it comprises:

2. The continuous casting roll according to claim 1, characterized in that: the two ends of the first mandrel are provided with first connecting key grooves matched with the connecting keys, one end, close to the first mandrel, of the second mandrel is also provided with first connecting key grooves, and the inner side wall of the roller body is provided with second connecting key grooves matched with the connecting keys, so that torque transmission is achieved under the fixed connection effect of the connecting keys.

3. The continuous casting roll according to claim 1, characterized in that: the second dabber is kept away from the one end detachably cover of first dabber is established and is installed rotary joint, rotary joint intercommunication cooling channel.

4. The continuous casting roll according to claim 1, characterized in that: and a lining is further arranged on the outer side surface of the roller body.

5. The continuous casting roll according to claim 1, characterized in that: the continuous casting roll further comprises a first bearing seat and a transparent cover, the first bearing seat is connected with the first core shaft through the first bearing, and the transparent cover is sleeved on the first core shaft and is fixedly connected with the first bearing seat.

6. The continuous casting roll according to claim 3, characterized in that: the continuous casting roll further comprises a second bearing seat, an end cover, a bearing locking sleeve and a shaft sleeve, the second bearing seat is connected with the second mandrel through a second bearing, the end cover is fixedly installed at one end, far away from the first mandrel, of the second mandrel, and the rotary joint is fixedly installed on the end cover; the bearing locking sleeve and the shaft sleeve are all sleeved on the second mandrel, one side of the bearing locking sleeve is abutted to the end cover and the other side of the bearing locking sleeve is abutted to the second bearing, one side of the shaft sleeve is abutted to the second bearing, and the other side of the shaft sleeve is abutted to the roller body.