CN216705464U

CN216705464U - Finishing mill group roll collar

Info

Publication number: CN216705464U
Application number: CN202122643040.6U
Authority: CN
Inventors: 李玉昕
Original assignee: Hangzhou Shengyuan Pipe Industry Co ltd
Current assignee: Hangzhou Shengyuan Pipe Industry Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-06-10
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a roll collar of a finishing mill unit, which comprises a roll, wherein a connecting hole is formed in the inner cavity of the roll, a round hole is formed in the surface of the roll and communicated with the connecting hole, a connecting column is arranged in the inner cavity of the round hole, the bottom of the connecting column extends to the inner cavity of the connecting hole, an expansion column is in threaded connection with the inner cavity of the connecting hole, the surface of the expansion column is in contact with the surface of the connecting column, the roll collar is sleeved on the surface of the roll and positioned above the round hole, a mounting hole is formed in the inner wall of the roll collar, and the top of the connecting column extends to the inner cavity of the mounting hole. According to the roller ring replacing device, the roller, the connecting hole, the round hole, the connecting column, the expansion column, the roller ring, the mounting hole, the limiting groove, the limiting block and the counter bore are matched for use, the roller ring can be directly replaced, the roller does not need to be replaced, time and labor are saved, materials are saved, and great convenience is brought to machining work.

Description

Finishing mill group roll collar

Technical Field

The utility model relates to the technical field of finishing mill groups, in particular to a roll collar of a finishing mill group.

Background

The finishing mill group is used for a high-speed wire rod workshop, generally comprises 4 rolling mills, and is a cantilever roll ring type frame, the straight and vertical alternate arrangement is realized, a vertical loop is arranged between the frames to realize tension-free rolling, the roll ring belongs to the part between grooves or outside the grooves on the roll body of a section roll, and can be divided into an end roll ring and a middle roll ring according to the position difference of the roll ring on the roll.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a roll collar of a finishing mill group, which has the advantage of convenient disassembly and assembly and solves the problems that the prior roll collar is generally integrally formed with a roll, and the roll collar is worn after being used for a long time, so that the precision of the produced product is insufficient, the whole roll needs to be replaced, time and labor are wasted, and materials are wasted.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a finishing mill group collars, includes the roll, the connecting hole has been seted up to the inner chamber of roll, the round hole has been seted up on the surface of roll, round hole and connecting hole intercommunication, the inner chamber of round hole is provided with the spliced pole, the bottom of spliced pole extends to the inner chamber of connecting hole, the inner chamber threaded connection of connecting hole has the expansion post, the surface of expansion post and the surface contact of spliced pole, the top cover that the surface of roll just is located the round hole is equipped with the collars, the mounting hole has been seted up to the inner wall of collars, the top of spliced pole extends to the inner chamber of mounting hole.

Preferably, the right end of the inner cavity of the connecting hole is provided with an internal thread, and the right end of the expansion column is provided with an external thread matched with the internal thread for use.

Preferably, the limiting groove has all been seted up to the both sides of round hole inner chamber, the inner chamber sliding connection of limiting groove has the stopper, the stopper is kept away from the one end and the spliced pole fixed connection of limiting groove.

Preferably, one end of the expansion column in contact with the connecting column is designed to be a smooth section, and a gap is reserved between the smooth section and the connecting hole.

Preferably, the right side of the expansion column is provided with a counter bore, and the counter bore is a hexagonal hole.

Preferably, the end of the connecting column in contact with the expansion column is designed to be concave in an arc and closely attached to the surface of the expansion column.

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

1. according to the utility model, the roller, the connecting hole, the round hole, the connecting column, the expansion column, the roller ring, the mounting hole, the limiting groove, the limiting block and the counter bore are matched for use, so that the roller ring can be directly replaced without replacing the roller, time and labor are saved, materials are saved, and great convenience is brought to processing work.

2. The expansion column fixing device has the advantages that the expansion column can be fixed by arranging the internal thread and the external thread, the convenience in installation is better guaranteed, the connecting column can be limited by arranging the limiting groove and the limiting block, the connecting column is prevented from falling into the inner cavity of the connecting hole, and the expansion column can be conveniently installed by arranging the counter bore.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side cross-sectional view of the inventive structure;

FIG. 3 is a schematic sectional view of the connection structure of the expansion column and the roll according to the present invention.

In the figure: 1. rolling; 2. connecting holes; 3. a circular hole; 4. connecting columns; 5. expanding the column; 6. a roll collar; 7. mounting holes; 8. a limiting groove; 9. a limiting block; 10. a counterbore.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.

Referring to fig. 1-3, a finishing mill group roll collar comprises a roll 1, a connecting hole 2 is formed in an inner cavity of the roll 1, an internal thread is formed at the right end of the inner cavity of the connecting hole 2, an external thread used in cooperation with the internal thread is formed at the right end of an expansion post 5, the expansion post 5 can be fixed by forming the internal thread and the external thread, the convenience of installation is better guaranteed, a round hole 3 is formed in the surface of the roll 1, the round hole 3 is communicated with the connecting hole 2, a connecting post 4 is arranged in the inner cavity of the round hole 3, limiting grooves 8 are formed in both sides of the inner cavity of the round hole 3, a limiting block 9 is slidably connected to the inner cavity of the limiting groove 8, one end of the limiting block 9, which is far away from the limiting groove 8, is fixedly connected with the connecting post 4, the connecting post 4 can be limited by forming the limiting groove 8 and the limiting block 9, the connecting post 4 is prevented from falling into the inner cavity of the connecting hole 2, and the bottom of the connecting post 4 extends to the inner cavity of the connecting hole 2, the inner cavity of the connecting hole 2 is in threaded connection with an expansion column 5, the surface of the expansion column 5 is in contact with the surface of the connecting column 4, one end of the expansion column 5 in contact with the connecting column 4 is designed to be a smooth section, a gap is reserved between the smooth section and the connecting hole 2, the right side of the expansion column 5 is provided with a counter bore 10, the counter bore 10 is a hexagonal hole, the expansion column 5 can be conveniently installed by arranging the counter bore 10, one end of the connecting column 4 in contact with the expansion column 5 is designed to be an arc-shaped concave recess and is tightly attached to the surface of the expansion column 5, a roller ring 6 is sleeved on the surface of the roller 1 and above the round hole 3, the inner wall of the roller ring 6 is provided with a mounting hole 7, the top of the connecting column 4 extends to the inner cavity of the mounting hole 7, and the roller 1, the connecting hole 2, the round hole 3, the connecting column 4, the expansion column 5, the roller ring 6, the mounting hole 7, a limiting groove 8, a limiting block 9 and the counter bore 10 are matched for use, the roll collar 6 can be directly replaced without replacing the roll 1, time and labor are saved, materials are saved, and great convenience is brought to machining work.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the utility model belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.

During the use, when needing to change old collars 6, through inserting the spanner in counter bore 10 and rotate expansion post 5, make it and connecting hole 2 separation, spliced pole 4 can separate with mounting hole 7 this moment, can take off old collars 6 this moment, then change new collars 6, then will expand the post 5 and be connected with connecting hole 2 again can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A finishing train roll collar comprising a roll (1), characterized in that: connecting hole (2) have been seted up to the inner chamber of roll (1), round hole (3) have been seted up on the surface of roll (1), round hole (3) and connecting hole (2) intercommunication, the inner chamber of round hole (3) is provided with spliced pole (4), the bottom of spliced pole (4) extends to the inner chamber of connecting hole (2), the inner chamber threaded connection of connecting hole (2) has expansion post (5), the surface of expansion post (5) and the surface contact of spliced pole (4), the surface of roll (1) and the top cover that is located round hole (3) are equipped with collars (6), mounting hole (7) have been seted up to the inner wall of collars (6), the top of spliced pole (4) extends to the inner chamber of mounting hole (7).

2. A finishing mill roll collar as claimed in claim 1, characterized in that: the right-hand member of connecting hole (2) inner chamber is provided with the internal thread, the right-hand member of expansion post (5) is provided with the external screw thread that the cooperation internal thread used.

3. A finishing mill roll collar as claimed in claim 1, characterized in that: spacing groove (8) have all been seted up to the both sides of round hole (3) inner chamber, the inner chamber sliding connection of spacing groove (8) has stopper (9), the one end and spliced pole (4) fixed connection of spacing groove (8) are kept away from in stopper (9).

4. A finishing mill roll collar as claimed in claim 1, characterized in that: one end of the expansion column (5) in contact with the connecting column (4) is designed to be a smooth section, and a gap is reserved between the smooth section and the connecting hole (2).

5. A finishing mill roll collar as claimed in claim 1, characterized in that: a counter bore (10) is formed in the right side of the expansion column (5), and the counter bore (10) is a hexagonal hole.

6. A finishing mill roll collar as claimed in claim 1, characterized in that: one end of the connecting column (4) in contact with the expansion column (5) is designed to be arc-shaped and concave and is tightly attached to the surface of the expansion column (5).