CN-224222690-U - Opening clamping mechanism of online width-adjusting crystallizer

CN224222690UCN 224222690 UCN224222690 UCN 224222690UCN-224222690-U

Abstract

The utility model relates to the technical field of continuous steel casting, and discloses an opening clamping mechanism of an online width-adjusting crystallizer, which comprises an opening clamping device, wherein the opening clamping device comprises a first opening clamping component and a second opening clamping component which are arranged in a layered manner along the height direction of the online width-adjusting crystallizer, the first opening clamping component and the second opening clamping component have axial length difference, and the limiting component comprises a first limiting structure and a second limiting structure which are mutually independent, the first limiting structure is detachably connected to the first opening clamping component, the second limiting structure is detachably connected to the second opening clamping component, and the moving stroke amounts of the first opening clamping component and the second opening clamping component can be respectively and independently adjusted through the first limiting structure and the second limiting structure. The present utility model has the advantage of allowing the amount of travel of the first and second clamp assemblies to be independently adjusted.

Inventors

NIE GAOSHENG
WANG KEHUI
LIU CHANGWEI
WANG JIAJU
LIU YONGJUN
WANG TAO
CAO YINBO
XU LI
XIAO SHANCHENG
WU JIANBO

Assignees

宁波钢铁有限公司

Dates

Publication Date: 20260512
Application Date: 20250421

Claims (10)

1. An opening clamping mechanism of an online width-adjusting crystallizer, which is characterized by comprising: The clamping device comprises a first clamping component and a second clamping component which are arranged in a layered manner along the height direction of the online width-adjusting crystallizer, and the first clamping component and the second clamping component have axial length differences; The limiting assembly comprises a first limiting structure and a second limiting structure which are mutually independent, the first limiting structure is detachably connected to the first clamping assembly, the second limiting structure is detachably connected to the second clamping assembly, and the moving stroke amount of the first clamping assembly and the second clamping assembly can be independently adjusted through the first limiting structure and the second limiting structure.
2. The mold opening and clamping mechanism of claim 1, wherein the first clamp assembly is positioned above the second clamp assembly and the axial length of the first clamp assembly is less than the axial length of the second clamp assembly.
3. The on-line width-adjusting mold opening and clamping mechanism according to claim 2, wherein the first opening and clamping assembly comprises a first cylinder body, the second opening and clamping assembly comprises a second cylinder body, one end of the first cylinder body is flush with one end of the second cylinder body, and the other end of the first cylinder body is provided with an axial length difference.
4. The opening and clamping mechanism of the online width-adjusting crystallizer according to claim 3, wherein a movable first piston rod and a first disc spring group are arranged in the first cylinder body, a movable second piston rod and a second disc spring group are arranged in the second cylinder body, the first piston rod can squeeze or relax the first disc spring group when moving in the first cylinder body, and the second piston rod can squeeze or relax the second disc spring group when moving in the second cylinder body.
5. The opening and clamping mechanism of the online width-adjusting crystallizer according to claim 4, wherein one end of the first piston rod is penetrated on the first disc spring group, the other end of the first piston rod extends away from the first disc spring group, one end of the second piston rod is penetrated on the second disc spring group, the other end of the second piston rod extends away from the second disc spring group, a first cylinder cover shaft sleeve is arranged on the extending end of the first piston rod, and a second cylinder cover shaft sleeve is arranged on the extending end of the second piston rod.
6. The on-line width adjusting crystallizer opening clamping mechanism according to claim 5, wherein the first limiting structure is detachably arranged on one side of the first cylinder cover shaft sleeve, which is away from the first piston rod, and can limit the first piston rod to move towards the first disc spring set, and the second limiting structure is detachably arranged on one side of the second cylinder cover shaft sleeve, which is away from the second piston rod, and can limit the second piston rod to move towards the second disc spring set.
7. The open clamping mechanism of an online width-adjusting crystallizer according to claim 6, wherein the first limiting structure is detachably abutted with the first cylinder cover shaft sleeve, the first cylinder cover shaft sleeve is provided with a first through hole for the first piston rod to move, the outer diameter of the first limiting structure is larger than the diameter of the first through hole, the second limiting structure is detachably abutted with the second cylinder cover shaft sleeve, the second cylinder cover shaft sleeve is provided with a second through hole for the second piston rod to move, and the outer diameter of the second limiting structure is larger than the diameter of the second through hole.
8. The on-line width adjusting crystallizer opening clamping mechanism according to claim 6, comprising a first locking nut positioned on one side of the first limiting structure, which is away from the first cylinder cover shaft sleeve, and a second locking nut positioned on one side of the second limiting structure, which is away from the second cylinder cover shaft sleeve, wherein the first piston rod sequentially penetrates through the first cylinder cover shaft sleeve and the first limiting structure to be connected with the first locking nut, and the second piston rod sequentially penetrates through the second cylinder cover shaft sleeve and the second limiting structure to be connected with the second locking nut.
9. The on-line width-adjusting crystallizer opening clamping mechanism according to claim 8, wherein the first locking nut and the second locking nut are identical in structure, a connecting hole penetrating through the first locking nut and the second locking nut along the axial direction, an adjusting groove and an adjusting hole are formed in the first locking nut and the second locking nut, the adjusting groove is vertically communicated with the connecting hole, the adjusting hole vertically penetrates through the adjusting groove, an adjusting piece is rotatably arranged in the adjusting hole, and when the adjusting piece rotates, the opening degree of the adjusting groove can be adjusted to achieve loosening or locking of the first locking nut or the second locking nut.
10. The mechanism of claim 4, wherein the load of the second disc spring set is greater than or equal to three times the load of the first disc spring set.

Description

Opening clamping mechanism of online width-adjusting crystallizer Technical Field The utility model relates to the technical field of steel continuous casting, in particular to an opening clamping mechanism of an online width-adjusting crystallizer. Background In the continuous casting production process, the on-line width-adjusting crystallizer opening clamping device is used as a core executing mechanism, and the dynamic performance of the on-line width-adjusting crystallizer opening clamping device directly influences the quality of casting blanks and the service life of equipment. In the existing design, in order to prevent excessive movement of the wide-edge copper plate and the narrow-edge copper plate in the width adjustment or clamping process, a limiting plugboard is generally adopted as a mechanical limiting device. However, the prior art limiting inserts are typically connected to the upper and lower sets of disc spring assemblies, respectively, and this design presents a major problem in that any adjustment involving the position of the limiting insert requires the simultaneous handling of both sets of disc spring assemblies during installation or preventative maintenance of the equipment. This requirement makes the debugging more complex, not only increasing downtime, but also significantly increasing maintenance costs. Disclosure of utility model In order to solve the above-mentioned shortcomings of the prior art, the present utility model provides an opening and clamping mechanism of an online width-adjusting crystallizer, which allows the movement stroke amounts of a first opening and clamping assembly and a second opening and clamping assembly to be independently adjusted. The technical scheme adopted by the utility model for solving the technical problems is that the opening clamping mechanism of the online width-adjusting crystallizer comprises: The clamping device comprises a first clamping component and a second clamping component which are arranged in a layered manner along the height direction of the online width-adjusting crystallizer, and the first clamping component and the second clamping component have axial length differences; The limiting assembly comprises a first limiting structure and a second limiting structure which are mutually independent, the first limiting structure is detachably connected to the first clamping assembly, the second limiting structure is detachably connected to the second clamping assembly, and the moving stroke amount of the first clamping assembly and the second clamping assembly can be independently adjusted through the first limiting structure and the second limiting structure. Further, the first tensioning clamp assembly is located above the second tensioning clamp assembly, and the axial length of the first tensioning clamp assembly is smaller than the axial length of the second tensioning clamp assembly. Further, the first clamping assembly comprises a first cylinder body, the second clamping assembly comprises a second cylinder body, one end of the first cylinder body is flush with one end of the second cylinder body, and the other end of the first cylinder body is provided with an axial length difference. Further, a movable first piston rod and a first disc spring set are arranged in the first cylinder body, a movable second piston rod and a second disc spring set are arranged in the second cylinder body, the first piston rod can squeeze or relax the first disc spring set when moving in the first cylinder body, and the second piston rod can squeeze or relax the second disc spring set when moving in the second cylinder body. Further, one end of the first piston rod is arranged on the first disc spring group in a penetrating mode, the other end of the first piston rod extends in a direction away from the first disc spring group, one end of the second piston rod is arranged on the second disc spring group in a penetrating mode, the other end of the second piston rod extends in a direction away from the second disc spring group, a first cylinder cover shaft sleeve is arranged at the extending end of the first piston rod, and a second cylinder cover shaft sleeve is arranged at the extending end of the second piston rod. Further, the first limit structure is detachably arranged on one side of the first cylinder cover shaft sleeve, which is away from the first piston rod, and can limit the first piston rod to move towards the first disc spring group, and the second limit structure is detachably arranged on one side of the second cylinder cover shaft sleeve, which is away from the second piston rod, and can limit the second piston rod to move towards the second disc spring group. Further, the first limit structure detachably abuts against the first cylinder cover shaft sleeve, the first cylinder cover shaft sleeve is provided with a first through hole for the first piston rod to move, the outer diameter of the first limit structure is larger than the d