CN211757615U

CN211757615U - Adjustable working roll

Info

Publication number: CN211757615U
Application number: CN202020187372.0U
Authority: CN
Inventors: 李亚敏
Original assignee: Changzhou Ecco Roller Co ltd
Current assignee: Changzhou Ecco Roller Co ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-10-27
Anticipated expiration: 2030-02-20

Abstract

The utility model relates to a work roll technical field just discloses work roll with adjustable, including the work roll body, the one end fixedly connected with work roll transition of work roll body is festival, the inner wall fixedly connected with bearing of work roll transition festival, the bearing includes the bearing shell, the inner wall swing joint of bearing shell has the ball, the outer wall swing joint of ball has the bearing inner ring, the inner wall fixedly connected with of bearing inner ring adds the major axis, the bleeder vent has been seted up to the outer wall of extension axis, the shaft hole has been seted up to the one end of extension axis, the inner wall swing joint in shaft hole has installation axle. This adjustable work roll passes through the work roll transition section that sets up, adds major axis, shaft hole, installation axle, fixed cover, through-hole, set screw and locating hole, can reach the purpose of adjusting the length of work roll, has solved the length of general work roll and has not been convenient for adjust the purpose, is convenient for use under the different requirements, has improved the practicality of work roll, and application scope is wide.

Description

Adjustable working roll

Technical Field

The utility model relates to a work roll technical field specifically is adjustable work roll.

Background

The rolls are tools for plastically deforming the metal and are important consumable parts for determining the efficiency of the rolling mill and the quality of the rolled material. The rollers are important parts on rolling mills in steel rolling mills, roll and roll steel by utilizing pressure generated when a pair or a group of rollers roll, and mainly bear the influence of dynamic and static load, abrasion and temperature change during rolling. The rollers are divided into working rollers and back-up rollers according to whether the rollers contact the rolled piece or not, and the rollers directly contacting the rolled piece are called the working rollers. The working roll has the requirement of bearing high temperature during production, so that the working roll has high requirements on heat resistance, wear resistance and hardness, and the working roll produced meets the use requirement after the aspects are detected. The work rolls are generally operated by means of a roll body, are in contact connection with bearings by means of roll necks, and are connected to external drives by means of joints. Although the types and the number of the working rollers used in the current market are very large, most of the working rollers still have certain defects when the length of the working rollers is adjusted, the whole length of the working rollers is not conveniently lengthened, the adjustment is inconvenient, the working rollers are not conveniently used under different requirements, the operation difficulty of workers is increased, and the inconvenience is caused to work and production.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a work roll with adjustable, this adjustable work roll possesses the advantage such as be convenient for adjust length, has solved the problem of general work roll be not convenient for adjust length.

(II) technical scheme

For the purpose of realizing the adjustable working roll length of being convenient for adjust, the utility model provides a following technical scheme: working roll with adjustable, including the working roll body, the one end fixedly connected with working roll transition section of working roll body, the inner wall fixedly connected with bearing of working roll transition section, the bearing includes the bearing shell, the inner wall swing joint of bearing shell has the ball, the outer wall swing joint of ball has the bearing inner ring, the inner wall fixedly connected with of bearing inner ring adds the axle, the bleeder vent has been seted up to the outer wall of extension, the shaft hole has been seted up to the one end of extension, the inner wall swing joint in shaft hole has the installation axle, the locating hole has been seted up to the outer wall of installation axle, the outer wall swing joint of extension has fixed cover, the outer wall swing joint of fixed cover has set screw.

Preferably, a transition surface is arranged at the joint of the working roll transition section and the working roll body, and the transition surface is an arc-shaped transition surface.

Preferably, the ball is a stainless steel ball, and the diameter of the ball is three centimeters.

Preferably, the number of the extension shafts is two, and the two extension shafts are symmetrically arranged by taking the vertical central line of the working roll body as a symmetry axis.

Preferably, the inner wall of the positioning hole is movably connected with the outer wall of the positioning screw, and the diameter of the positioning hole is eight millimeters.

Preferably, the outer wall of the fixing sleeve is provided with a through hole, and the inner wall of the through hole is movably connected with the outer wall of the lengthened shaft.

Preferably, the installation axle is alloy steel installation axle, and the diameter of installation axle is twenty centimetres.

(III) advantageous effects

Compared with the prior art, the utility model provides a work roll with adjustable possesses following beneficial effect:

1. this adjustable work roll passes through the work roll transition section that sets up, adds major axis, shaft hole, installation axle, fixed cover, through-hole, set screw and locating hole, can reach the purpose of adjusting the length of work roll, has solved the length of general work roll and has not been convenient for adjust the purpose, is convenient for use under the different requirements, has improved the practicality of work roll, and application scope is wide.

2. This adjustable working roll passes through the working roll transition section and the transition face that sets up, can reach the purpose of strengthening the local atress effect between working roll body and the working roll transition section, has improved the bearing capacity of bearing tip, can effectively avoid the bearing fracture, and intensity is high, safe and reliable, and practicality is good.

3. This adjustable work roll through the extension shaft and the bleeder vent that set up, can reach and be convenient for carry out radiating purpose to the work roll, avoids the work roll too high and lead to the performance inefficacy in the course of working, has improved the practicality of work roll, has satisfied scientific production and processing demand.

Drawings

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

FIG. 2 is a schematic view of the fixing sleeve structure of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the bearing structure of the present invention.

In the figure: 1. a work roll body; 2. a working roll transition section; 3. a bearing; 3001. a bearing housing; 3002. a ball bearing; 3003. a bearing inner ring; 4. lengthening a shaft; 5. air holes are formed; 6. a shaft hole; 7. installing a shaft; 8. fixing a sleeve; 9. a through hole; 10. a set screw; 11. positioning holes; 12. a transition surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an adjustable work roll comprises a work roll body 1, one end of the work roll body 1 is fixedly connected with a work roll transition section 2, a transition surface 12 is arranged at the joint of the work roll transition section 2 and the work roll body 1, the transition surface 12 is an arc transition surface, the inner wall of the work roll transition section 2 is fixedly connected with a bearing 3, the bearing 3 comprises a bearing housing 3001, the inner wall of the bearing housing 3001 is movably connected with a ball 3002, the ball 3002 is a stainless steel ball, the diameter of the ball 3002 is three centimeters, the stainless steel is steel resistant to corrosion by weak corrosion media such as air, steam and water, and chemical corrosion media such as acid, alkali and salt, the corrosion resistance is good, the outer wall of the ball 3002 is movably connected with a bearing inner ring 3003, the inner wall of the bearing inner ring 3003 is fixedly connected with an extension shaft 4, the number of the extension shafts 4 is two, and the two extension shafts 4 are symmetrically arranged by taking the vertical central line of the work roll body, the outer wall of the lengthened shaft 4 is provided with the air holes 5, the purpose of facilitating heat dissipation of the working roll can be achieved through the arranged lengthened shaft 4 and the air holes 5, performance failure caused by overhigh temperature of the working roll in the machining process is avoided, the practical performance of the working roll is improved, scientific production and machining requirements are met, one end of the lengthened shaft 4 is provided with the shaft hole 6, the inner wall of the shaft hole 6 is movably connected with the mounting shaft 7, the mounting shaft 7 is an alloy steel mounting shaft, the diameter of the mounting shaft 7 is twenty centimeters, steel with other alloy elements added is called alloy steel, the alloy steel has special performances such as high strength, high toughness, wear resistance, corrosion resistance, low temperature resistance, high temperature resistance and no magnetism, the outer wall of the mounting shaft 7 is provided with the positioning holes 11, the outer wall of the lengthened shaft 4 is movably connected with the fixed sleeve 8, the outer wall of the fixed, the inner wall of the through hole 9 is movably connected with the outer wall of the lengthened shaft 4, the outer wall of the fixed sleeve 8 is movably connected with a positioning screw 10, the inner wall of the positioning hole 11 is movably connected with the outer wall of the positioning screw 10, the diameter of the positioning hole 11 is eight millimeters, the length of the working roll can be adjusted by the arranged working roll transition section 2, the lengthened shaft 4, the shaft hole 6, the mounting shaft 7, the fixed sleeve 8, the through hole 9, the positioning screw 10 and the positioning hole 11, the purpose of adjusting the length of the working roll is solved, the length of the common working roll is not convenient to adjust, the common working roll is convenient to use under different requirements, the practical performance of the working roll is improved, the application range is wide, the purpose of enhancing the local stress action between the working roll body 1 and the working roll transition section 2 can be achieved by the arranged working roll transition section 2 and the transition surface 12, the bearing capacity of the end part of, high strength, high safety and reliability and high practicability.

When the fixing device is used, the mounting shaft 7 is mounted in the lengthened shaft 4 through the shaft hole 6, the fixing sleeve 8 is connected with the lengthened shaft 4 and the mounting shaft 7 through the through hole 9, the positioning screw 10 is adjusted, namely the length of the working roller can be adjusted, the positioning screw 10 is locked, and the fixing of the mounting shaft 7 is completed.

In conclusion, the adjustable working roll can adjust the length of the working roll, is convenient to use under different requirements, improves the practicability of the working roll, and has wide application range.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Work roll with adjustable, including work roll body (1), its characterized in that: one end of the working roll body (1) is fixedly connected with a working roll transition joint (2), the inner wall of the working roll transition joint (2) is fixedly connected with a bearing (3), the bearing (3) comprises a bearing shell (3001), the inner wall of the bearing shell (3001) is movably connected with a ball (3002), the outer wall of the ball (3002) is movably connected with a bearing inner ring (3003), the inner wall of the bearing inner ring (3003) is fixedly connected with an elongated shaft (4), the outer wall of the elongated shaft (4) is provided with air holes (5), one end of the lengthened shaft (4) is provided with a shaft hole (6), the inner wall of the shaft hole (6) is movably connected with a mounting shaft (7), the outer wall of the mounting shaft (7) is provided with a positioning hole (11), the outer wall of the lengthened shaft (4) is movably connected with a fixed sleeve (8), the outer wall of the fixed sleeve (8) is movably connected with a positioning screw (10).

2. The adjustable work roll of claim 1, wherein: the transition surface (12) is arranged at the joint of the working roll transition joint (2) and the working roll body (1), and the transition surface (12) is an arc transition surface.

3. The adjustable work roll of claim 1, wherein: the ball (3002) is a stainless steel ball, and the diameter of the ball (3002) is three centimeters.

4. The adjustable work roll of claim 1, wherein: the number of the lengthened shafts (4) is two, and the two lengthened shafts (4) are symmetrically arranged by taking the vertical central line of the working roll body (1) as a symmetry axis.

5. The adjustable work roll of claim 1, wherein: the inner wall of the positioning hole (11) is movably connected with the outer wall of the positioning screw (10), and the diameter of the positioning hole (11) is eight millimeters.

6. The adjustable work roll of claim 1, wherein: the outer wall of the fixed sleeve (8) is provided with a through hole (9), and the inner wall of the through hole (9) is movably connected with the outer wall of the lengthened shaft (4).

7. The adjustable work roll of claim 1, wherein: the installation axle (7) is the alloy steel installation axle, and the diameter of installation axle (7) is twenty centimetres.