CN219335360U

CN219335360U - Quick assembly structure for roller

Info

Publication number: CN219335360U
Application number: CN202320748270.5U
Authority: CN
Inventors: 张智; 王立丁; 张冬阳; 王超; 张曙
Original assignee: Ma'anshan Zhongjin Superhard Material Technology Development Co ltd
Current assignee: Ma'anshan Zhongjin Superhard Material Technology Development Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-07-14
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a rapid roller assembly structure, and belongs to the technical field of rolling mills. In order to solve the problem that assembly efficiency is low when wearing and tearing are changed, thrust bearing sleeve establishes in the outside of spindle nose, cylindrical bearing sleeve establishes on the roll body is close to the one end of spindle nose, the outer loop sets up in thrust bearing's both sides, only need establish the outside at the spindle nose with the second outer loop cover during the installation, later insert the inside of bearing frame with the spindle nose, set up the spindle nose in thrust bearing's inside, later cup joint first outer loop on the spindle nose and cover the briquetting and can accomplish, it is quick convenient to connect, change assembly efficiency is high, the bush sets up in the inside of inside groove, be equipped with the bulge block on the one end of cover body, set up the connecting hole on one's body, only need insert the bulge block towards the inside of inside groove during the installation, later utilize the screw to fasten the bush in the inside of inside groove can accomplish the installation operation, easy operation and the operating rate is high, can carry out quick dismantlement when wearing and tearing needs to change, installation effectiveness has been improved.

Description

Quick assembly structure for roller

Technical Field

The utility model relates to the technical field of rolling mills, in particular to a rapid roller assembly structure.

Background

The rolling mill is a device for realizing the metal rolling process. The general term refers to equipment for completing the whole production process of rolled materials, and comprises main equipment, auxiliary equipment, lifting and transporting equipment, auxiliary equipment and the like. However, the rolling mill is often referred to as a main plant only.

Related patents such as CN107552570a disclose a static roller assembly structure of a rolling mill, which comprises bases with fixedly installed two ends, rollers rotatably installed in the bases, through holes transversely arranged in the middle of the two bases, step shafts arranged at two ends of the rollers and installed on the inner walls of the through holes of the bases through first bearings; the roller is sleeved with a static labyrinth and is respectively and fixedly arranged on the inner end surfaces of the two bases, a movable labyrinth is arranged on the corresponding roller end surface and is matched with the corresponding static labyrinth, wherein the outer end surface of the base at the right end is provided with a combination of a static labyrinth end cover and a movable labyrinth end cover, the combination is fixed by a gland, and the static labyrinth end cover and the movable labyrinth end cover are sealed by a lip-shaped sealing ring; the left end step shaft of the roller is provided with a shaft sleeve, the base at the left end is provided with a bearing seat and is in rotary fit with the outer wall of the shaft sleeve through a second bearing, and the shaft sleeve is sealed through a lip type sealing ring and an oil seal gland.

The above patent has the following problems in actual operation:

1. during the use of the rolls, the rolls are subject to axial force pressure, which results in burn-out and wear, which often results in more troublesome assembly when the rolls are replaced.

2. In the process of using the roller, the bushing is easy to wear, and the worn bushing is more troublesome to replace and has low assembly efficiency.

Disclosure of Invention

The utility model aims to provide a roller rapid assembly structure which can solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a roller rapid Assembly structure, includes roll, bearing frame and solid fixed ring, the roll body both ends of roll all are provided with the spindle nose, and the bearing frame has been cup jointed to the outside of spindle nose, and the both sides of bearing frame are provided with solid fixed ring, and gu fixed ring cup joints in the outside of spindle nose, and the inside of spindle nose is provided with the bush.

Preferably, the bearing seat comprises a shell, a thrust bearing and a cylindrical bearing, wherein the thrust bearing and the cylindrical bearing are arranged in the shell, the thrust bearing is sleeved outside the shaft head, and the cylindrical bearing is sleeved at one end of the roller body close to the shaft head.

Preferably, the fixed ring comprises a first outer ring, a pressing block and a second outer ring, wherein the first outer ring is arranged on the outer side of the thrust bearing, the second outer ring is arranged on the inner side of the thrust bearing, the second outer ring is arranged inside the thrust bearing and the cylindrical bearing, the pressing block is arranged on the outer side of the first outer ring, and the pressing block is connected with the shell in a clamping manner.

Preferably, an inner groove is formed in the shaft head, and the bushing is arranged in the inner groove.

Preferably, the bushing comprises a sleeve body, a connecting hole and a protruding block, wherein the sleeve body is arranged in the inner groove, the protruding block is arranged at one end, far away from the outer part of the inner groove, of the sleeve body, two connecting holes are formed at one end, close to the outer part of the inner groove, of the sleeve body, and screws are arranged in the connecting holes.

Preferably, screw holes are formed in the inner groove, the number and the positions of the screw holes are in one-to-one correspondence with those of the connecting holes, and the screw holes are connected with the connecting holes through screw fastening.

Compared with the prior art, the utility model has the following beneficial effects:

1. under the prior art, in the process of using the roller, the roller is easy to receive the pressure of axial force, thereby burn the roller and grind, when changing the roller, the wearing and tearing often can lead to the assembly more troublesome, and the thrust bearing sleeve of the utility model is established in the outside of spindle nose, the cylinder bearing sleeve is established on the one end that the roll body is close to the spindle nose, first outer ring sets up in thrust bearing's outside, the second outer ring sets up in thrust bearing's inboard, when installing the roller, only need to establish the second outer ring in the outside of spindle nose, later insert the inside of bearing frame with the spindle nose, set up the spindle nose in thrust bearing's inside, later cup joint first outer ring on the spindle nose and cover the briquetting and accomplish, connect fast convenient, change assembly efficiency is high, can effectively prevent the burn the roller simultaneously, can increase the bearing of roller to axial force, increase service life.

2. Under the prior art, in the process of using the roller, the lining is easy to wear, the worn lining is more troublesome when being replaced, the assembly efficiency is low, the lining is arranged in the inner groove, the protruding block is arranged at one end of the sleeve body far away from the outer part of the inner groove, two connecting holes are formed at one end of the sleeve body close to the outer part of the inner groove, when the lining is installed, the protruding block is only required to be inserted towards the inner part of the inner groove, then the lining is fastened in the inner part of the inner groove by utilizing the screw hole, the installation operation is finished, the operation is simple, the operation rate is high, the quick dismounting and the installation can be carried out when the worn lining needs to be replaced, and the installation efficiency is improved.

Drawings

FIG. 1 is a schematic overall cross-sectional view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a bearing housing and retaining ring of the present utility model;

FIG. 3 is a schematic cross-sectional view of a bushing of the present utility model;

fig. 4 is a schematic view of the bushing structure of the present utility model.

In the figure: 1. a roller; 11. a roll body; 12. a shaft head; 13. an inner tank; 14. a screw hole; 2. a bearing seat; 21. a housing; 22. a thrust bearing; 23. a cylindrical bearing; 3. a fixing ring; 31. a first outer ring; 32. briquetting; 33. a second outer ring; 4. a bushing; 41. sleeving a sleeve body; 42. a connection hole; 43. a protruding block; 44. and (5) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the in-process that the roll used, the roll receives the pressure of axial force easily to lead to burn the roll abrasion, when changing the roll, the wearing and tearing often can lead to the more trouble technical problem of assembly, please refer to fig. 1-2, the utility model provides a following technical scheme:

the utility model provides a roller rapid Assembly structure, includes roll 1, bearing frame 2 and solid fixed ring 3, and roll 1's roll body 11 both ends all are provided with spindle nose 12, and bearing frame 2 has been cup jointed to the outside of spindle nose 12, and the both sides of bearing frame 2 are provided with solid fixed ring 3, and gu fixed ring 3 cup joints in the outside of spindle nose 12, and the inside of spindle nose 12 is provided with bush 4.

The bearing seat 2 comprises a shell 21, a thrust bearing 22 and a cylindrical bearing 23, wherein the thrust bearing 22 and the cylindrical bearing 23 are arranged in the shell 21, the thrust bearing 22 is sleeved outside the shaft head 12, and the cylindrical bearing 23 is sleeved at one end of the roller body 11 close to the shaft head 12. The fixed ring 3 includes a first outer ring 31, a pressing block 32 and a second outer ring 33, the first outer ring 31 is arranged on the outer side of the thrust bearing 22, the second outer ring 33 is arranged on the inner side of the thrust bearing 22, the second outer ring 33 is arranged inside the thrust bearing 22 and the cylindrical bearing 23, the pressing block 32 is arranged on the outer side of the first outer ring 31, and the pressing block 32 is connected with the housing 21 in a clamping manner.

Specifically, when installing roll 1, only need to establish the outside at spindle nose 12 with second outer loop 33 cover, later insert the inside of bearing frame 2 with spindle nose 12, set up spindle nose 12 in thrust bearing 22's inside, later cup joint first outer loop 31 on spindle nose 12 and cover briquetting 32 and can accomplish, connect fast convenient, change assembly efficiency is high, can effectively prevent the burn-in simultaneously, can increase the bearing of roll 1 to axial force, improves life.

In order to solve the technical problem that in the process of using the roller, the lining is easy to wear, the replacement of the worn lining is more troublesome, and the assembly efficiency is low, please refer to fig. 3-4, the utility model provides a following technical scheme:

the inside of the spindle head 12 is provided with an inner groove 13, and the bushing 4 is arranged inside the inner groove 13. The bushing 4 comprises a sleeve body 41, connecting holes 42 and protruding blocks 43, wherein the sleeve body 41 is arranged in the inner groove 13, the protruding blocks 43 are arranged at one end, far away from the outer part of the inner groove 13, of the sleeve body 41, two connecting holes 42 are formed at one end, close to the outer part of the inner groove 13, of the sleeve body 41, and screws 44 are arranged in the connecting holes 42. Screw holes 14 are formed in the inner groove 13, the number and the positions of the screw holes 14 are in one-to-one correspondence with those of the connecting holes 42, and the screw holes 14 are fixedly connected with the connecting holes 42 through screws 44.

Specifically, when installing the bush 4, only need insert protruding piece 43 towards the inside of inside groove 13, utilize screw 14 to fasten the bush 4 in the inside of inside groove 13 afterwards and can accomplish the installation operation, easy operation and the operating efficiency is high, can carry out quick demountable installation when wearing and tearing need change, has improved installation effectiveness.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roller rapid Assembly structure, includes roller (1), bearing frame (2) and solid fixed ring (3), its characterized in that: the novel rolling mill is characterized in that shaft heads (12) are arranged at two ends of a mill body (11) of the mill roll (1), a bearing seat (2) is sleeved outside the shaft heads (12), fixing rings (3) are arranged on two sides of the bearing seat (2), the fixing rings (3) are sleeved outside the shaft heads (12), and bushings (4) are arranged inside the shaft heads (12).

2. The rapid roll assembly structure of claim 1, wherein: the bearing seat (2) comprises a shell (21), a thrust bearing (22) and a cylindrical bearing (23), wherein the thrust bearing (22) and the cylindrical bearing (23) are arranged in the shell (21), the thrust bearing (22) is sleeved outside the shaft head (12), and the cylindrical bearing (23) is sleeved at one end of the roller body (11) close to the shaft head (12).

3. A rapid roll assembly structure according to claim 2, wherein: the fixed ring (3) comprises a first outer ring (31), a pressing block (32) and a second outer ring (33), wherein the first outer ring (31) is arranged on the outer side of the thrust bearing (22), the second outer ring (33) is arranged on the inner side of the thrust bearing (22), the second outer ring (33) is arranged inside the thrust bearing (22) and the cylindrical bearing (23), the pressing block (32) is arranged on the outer side of the first outer ring (31), and the pressing block (32) is connected with the shell (21) in a clamping mode.

4. The rapid roll assembly structure of claim 1, wherein: an inner groove (13) is formed in the shaft head (12), and the bushing (4) is arranged in the inner groove (13).

5. The rapid roll assembly structure of claim 4, wherein: the lining (4) comprises a sleeve body (41), connecting holes (42) and protruding blocks (43), wherein the sleeve body (41) is arranged in the inner groove (13), the protruding blocks (43) are arranged at one end, far away from the outer part of the inner groove (13), of the sleeve body (41), two connecting holes (42) are formed in one end, close to the outer part of the inner groove (13), of the sleeve body (41), and screws (44) are arranged in the connecting holes (42).

6. The rapid roll assembly structure of claim 5, wherein: screw holes (14) are formed in the inner groove (13), the number and the positions of the screw holes (14) are in one-to-one correspondence with those of the connecting holes (42), and the screw holes (14) are tightly connected with the connecting holes (42) through screws (44).