CN215696797U

CN215696797U - Split type roller

Info

Publication number: CN215696797U
Application number: CN202122160172.3U
Authority: CN
Inventors: 应浩斌
Original assignee: Jiangsu Laiherun Roll Technology Co ltd
Current assignee: Jiangsu Laiherun Roll Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a split type roller. The split type roller is provided with a mandrel and a barrel body sleeved outside the mandrel, end plates are packaged at two ends of the barrel body, the mandrel penetrates through the end plates and comprises a shaft neck exposed out of the end plates and a shaft body located in an inner cavity of the barrel body, and the barrel body and the mandrel are of a split structure. The utility model has simple structure, reasonable design and simple and convenient operation, the barrel and the mandrel adopt a split structure, the barrel is convenient to replace, the mandrel is continuously used, and the production cost is greatly reduced; the inner cavity of the roller is cooled, so that the conditions of dry production environment, no pollution and the like are met; in addition, the cooling liquid flowing out of the liquid outlet pipe is cooled by the cooling device and is injected into the liquid inlet pipe again, so that cooling circulation is realized, energy is saved, environment is protected, and energy consumption is reduced.

Description

Split type roller

Technical Field

The utility model relates to the technical field of rollers, in particular to a split type roller.

Background

The roller is a main consumption process part of the rolling mill, and the consumption is large in the steel rolling process, and accounts for a certain proportion of the rolling cost. The quality of the roller has great influence on the operation rate, quality and yield of the rolling mill and the consumption of the roller, so that most of the rollers use high alloy and have very high unit price. The roller consumes the working layer of the certain degree of depth in top layer, and when the roller is used to scrap limit (namely the working layer is consumed) or when great defect appears under normal condition, the roller is scrapped wholly, and the mandrel part is treated according to the scrap steel, thus greatly influencing the cost.

In addition, the rolls generate heat during operation, which requires cooling. At present, the cooling method for the roller is internal cooling and external cooling. The external cooling method is generally to spray cooling liquid around the roller, which is not suitable for the condition that the production environment is required to be dry and pollution-free. The internal cooling method is that the roller is provided with through holes, and cooling liquid is introduced into the through holes, so that the purpose of cooling is achieved through circulation of the cooling liquid. However, the cooling effect of the rollers adopting the internal cooling structure is not good at present, and the heat exchange efficiency is low.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: overcomes the defects in the prior art and provides a split type roller.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a split type roller is provided with a mandrel and a barrel body sleeved outside the mandrel, end plates are packaged at two ends of the barrel body, the mandrel penetrates through the end plates and comprises a shaft neck exposed out of the end plates and a shaft body positioned in an inner cavity of the barrel body, and the barrel body and the mandrel are of a split structure;

the shaft neck is provided with an annular stop block, the stop block is provided with a mounting convex ring, and the stop block is positioned on the left side of the cylinder body; the left end of the barrel is provided with an annular mounting groove, a silica gel ring is fixedly arranged in the annular mounting groove, a clamping groove matched and connected with the mounting convex ring is arranged on the silica gel ring, and the mounting convex ring is clamped into the clamping groove to complete the connection of the stop block and the left end of the barrel;

the shaft neck is provided with an annular L-shaped connecting plate, the connecting plate is positioned at the right end of the cylinder body, and the bolt is arranged in the connecting plate to complete the connection of the shaft neck and the right end of the cylinder body.

Furthermore, the split roller also comprises a cooling device, wherein the cooling device comprises a fixed sleeve sleeved on the shaft neck and a serpentine coil, and the serpentine coil is distributed on the inner wall of the cylinder body; a bearing is arranged between the fixed sleeve and the shaft neck, a liquid inlet pipe and a liquid outlet pipe are arranged on the fixed sleeve, a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shaft neck, a liquid outlet end of the liquid inlet pipeline is connected with a liquid inlet end of the serpentine coil, and a liquid outlet end of the serpentine coil is connected with a liquid inlet end of the liquid outlet pipeline; the inner wall of the fixed sleeve is provided with an annular liquid inlet groove and an annular liquid outlet groove which are independently distributed, the liquid inlet pipe is communicated with the liquid inlet pipeline through the annular liquid inlet groove, and the liquid outlet pipe is communicated with the liquid outlet pipeline through the annular liquid outlet groove.

Further, the barrel inner wall is perpendicularly welded with long fins, the central axis of each fin is parallel to the central axis of the barrel, and the fins and the serpentine coil are arranged at intervals.

Further, the barrel is in key connection with the shaft body.

Furthermore, the installation bulge loop includes cylinder portion and bulb portion, and the bulb portion is connected with the dog through cylinder portion, and bulb portion diameter is greater than cylinder portion diameter.

The utility model has the beneficial effects that: the utility model has simple structure and the following advantages:

(1) the design is reasonable, the operation is simple and convenient, the barrel and the mandrel adopt a split structure, the barrel is convenient to replace, the mandrel is continuously used, and the production cost is greatly reduced;

(2) the inner cavity of the roller is cooled, so that the conditions of dry production environment, no pollution and the like are met; in addition, the cooling liquid flowing out of the liquid outlet pipe is cooled by the cooling device and is injected into the liquid inlet pipe again, so that cooling circulation is realized, energy is saved, the environment is protected, and energy consumption is reduced;

(3) and a bearing is arranged between the fixed sleeve and the shaft neck, the shaft neck rotates, and the fixed sleeve does not rotate along with the shaft neck, so that the external pipeline of the fixed sleeve cools the roller without interfering the rotation of the roller.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

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

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

FIG. 3 is an expanded view of the cartridge;

fig. 4 is a schematic view of the mounting of the cartridge body to the shaft body.

In the figure: 1. the device comprises a fixing sleeve, 2 parts of a liquid inlet pipe, 3 parts of an annular liquid inlet groove, 4 parts of a liquid inlet pipeline, 5 parts of a liquid outlet pipe, 6 parts of an annular liquid outlet groove, 7 parts of a liquid outlet pipeline, 8 parts of a connecting plate, 9 parts of fins, 10 parts of a cylinder body, 11 parts of a snake-shaped coil pipe, 12 parts of an end plate, 13 parts of a shaft neck, 14 parts of a shaft body, 15 parts of a stop block, 16 parts of a silica gel ring and 17 parts of a mounting convex ring.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The split roller shown in fig. 1 to 4 comprises a mandrel and a cylinder 10 sleeved outside the mandrel, wherein end plates 12 are packaged at two ends of the cylinder 10, the mandrel passes through the end plates 12, the mandrel comprises a journal 13 exposed out of the end plates 12 and a shaft body 14 located in an inner cavity of the cylinder 10, and the cylinder 10 and the mandrel adopt a split structure;

an annular stop block 15 is arranged on the journal 13, a mounting convex ring 17 is arranged on the stop block 15, and the stop block 15 is positioned on the left side of the barrel 10; an annular mounting groove is formed in the left end of the barrel 10, a silica gel ring 16 is fixedly arranged in the annular mounting groove, a clamping groove matched and connected with the mounting convex ring 17 is formed in the silica gel ring 16, and the mounting convex ring 17 is clamped into the clamping groove to complete connection of the stop block 15 and the left end of the barrel 10;

an annular L-shaped connecting plate 8 is arranged on the journal 13, the connecting plate 8 is positioned at the right end of the cylinder 10, and bolts are arranged in the connecting plate 8 to complete the connection between the journal 13 and the right end of the cylinder 10.

The split type roller also comprises a cooling device, wherein the cooling device comprises a fixed sleeve 1 and a serpentine coil 11, which are sleeved on a shaft neck 13, and the serpentine coil 11 is distributed on the inner wall of the cylinder body 10; a bearing is arranged between the fixed sleeve 1 and the shaft neck 13, a liquid inlet pipe 2 and a liquid outlet pipe 5 are arranged on the fixed sleeve 1, a liquid inlet pipeline 4 and a liquid outlet pipeline 7 are arranged on the shaft neck 13, the liquid outlet end of the liquid inlet pipeline 4 is connected with the liquid inlet end of the serpentine coil 11, and the liquid outlet end of the serpentine coil 11 is connected with the liquid inlet end of the liquid outlet pipeline 7; the inner wall of the fixed sleeve 1 is provided with an annular liquid inlet groove 3 and an annular liquid outlet groove 6 which are independently distributed, the liquid inlet pipe 2 is communicated with the liquid inlet pipeline 4 through the annular liquid inlet groove 3, and the liquid outlet pipe 5 is communicated with the liquid outlet pipeline 7 through the annular liquid outlet groove 6. The pouch 1 is located to the left of the stop 15.

The inner wall of the cylinder 10 is vertically welded with a long fin 9, the central axis of the fin 9 is parallel to the central axis of the cylinder 10, and the fin 9 and the serpentine coil 11 are arranged at intervals.

The cylinder 10 is keyed to the shaft 14. The outer circumference of the shaft body 14 is uniformly provided with flat keys, and the cylinder body 10 is provided with key slots matched with the flat keys. The key connection of the cylinder 10 and the shaft body 14 can ensure that the cylinder 10 and the shaft body 14 move synchronously.

The mounting convex ring 17 comprises a cylindrical part and a ball head part, the ball head part is connected with the stop block 15 through the cylindrical part, and the diameter of the ball head part is larger than that of the cylindrical part.

When the split type roller is installed, the cylinder body 10 penetrates through the mandrel, the silica gel ring 16 is aligned with the installation convex ring 17, the left end of the cylinder body 10 abuts against the stop block 15, and then the connecting plate 8 is installed. When the connecting plate is disassembled, the connecting plate 8 is disassembled firstly, the cylinder body 10 is moved to the right, and the mounting convex ring 17 is separated from the silica gel ring 16.

The coolant liquid gets into from feed liquor pipe 2, then passes through annular feed liquor groove 3, feed liquor pipeline 4, serpentine coil 11, drain pipe 7, annular drain tank 6 and drain pipe 5 in proper order, to barrel 10 and axle body 14 cooling, the coolant liquid that drain pipe 5 flows passes through the cooling device cooling, pours into feed liquor pipe 2 into again into, realizes cooling cycle, and is energy-concerving and environment-protective, the reduction energy consumption.

A bearing is arranged between the fixed sleeve 1 and the shaft neck 13, the shaft neck 13 rotates, and the fixed sleeve 1 does not rotate along with the shaft neck, so that the external pipeline of the fixed sleeve 1 cools the roller without interfering the rotation of the roller.

While particular embodiments of the present invention have been described in the foregoing specification, the present invention is not limited to the specific embodiments, and modifications and variations of the foregoing detailed description can be made by those skilled in the art without departing from the spirit and scope of the utility model.

Claims

1. A split roll, characterized in that: the device comprises a mandrel and a cylinder body (10) sleeved outside the mandrel, wherein end plates (12) are packaged at two ends of the cylinder body (10), the mandrel penetrates through the end plates (12), the mandrel comprises a shaft neck (13) exposed out of the end plates (12) and a shaft body (14) positioned in an inner cavity of the cylinder body (10), and the cylinder body (10) and the mandrel adopt a split structure;

an annular stop block (15) is arranged on the journal (13), a mounting convex ring (17) is arranged on the stop block (15), and the stop block (15) is positioned on the left side of the cylinder body (10); an annular mounting groove is formed in the left end of the barrel body (10), a silica gel ring (16) is fixedly arranged in the annular mounting groove, a clamping groove which is matched and connected with the mounting convex ring (17) is formed in the silica gel ring (16), and the mounting convex ring (17) is clamped into the clamping groove to complete connection of the stop block (15) and the left end of the barrel body (10);

and an annular L-shaped connecting plate (8) is arranged on the journal (13), the connecting plate (8) is positioned at the right end of the cylinder (10), and a bolt is arranged in the connecting plate (8) to complete the connection of the journal (13) and the right end of the cylinder (10).

2. The split roll according to claim 1, wherein: the split type roller also comprises a cooling device, wherein the cooling device comprises a fixed sleeve (1) and a serpentine coil (11) which are sleeved on a shaft neck (13), and the serpentine coil (11) is distributed on the inner wall of the cylinder body (10); a bearing is arranged between the fixed sleeve (1) and the shaft neck (13), a liquid inlet pipe (2) and a liquid outlet pipe (5) are arranged on the fixed sleeve (1), a liquid inlet pipeline (4) and a liquid outlet pipeline (7) are arranged on the shaft neck (13), the liquid outlet end of the liquid inlet pipeline (4) is connected with the liquid inlet end of the serpentine coil pipe (11), and the liquid outlet end of the serpentine coil pipe (11) is connected with the liquid inlet end of the liquid outlet pipeline (7); the inner wall of the fixed sleeve (1) is provided with an annular liquid inlet groove (3) and an annular liquid outlet groove (6) which are independently distributed, the liquid inlet pipe (2) is communicated with the liquid inlet pipeline (4) through the annular liquid inlet groove (3), and the liquid outlet pipe (5) is communicated with the liquid outlet pipeline (7) through the annular liquid outlet groove (6).

3. The split roll according to claim 2, wherein: the vertical welding of barrel (10) inner wall has rectangular fin (9), and the central axis of fin (9) and the central axis parallel arrangement of barrel (10), fin (9) and serpentine coil (11) interval set up.

4. The split roll according to claim 1, wherein: the cylinder (10) is connected with the shaft body (14) in a key mode.

5. The split roll according to claim 1, wherein: the mounting convex ring (17) comprises a cylindrical part and a ball head part, the ball head part is connected with the stop block (15) through the cylindrical part, and the diameter of the ball head part is larger than that of the cylindrical part.