CN218664528U

CN218664528U - Rotating shaft sliding sleeve structure and aluminum foil slitting machine coiling supporting arm

Info

Publication number: CN218664528U
Application number: CN202223164186.3U
Authority: CN
Inventors: 孙林; 石敏泽; 夏林萍
Original assignee: Suzhou Manakin Aluminum Processing Technology Co ltd
Current assignee: Suzhou Manakin Aluminum Processing Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-21
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a rotating shaft sliding sleeve structure and a coiling supporting arm of an aluminum foil slitting machine, which comprises an outer bushing, wherein the outer bushing is in a cylinder shape and is fixedly arranged at the position of the coiling supporting arm for inserting the jack inner ring of a rotating shaft; the retainer is cylindrical and is fixedly arranged at the inner ring part of the outer bushing; the steel ball is rotatably arranged on the retainer; the steel ball coiling support arm is characterized by also comprising an inner sliding sleeve, wherein the inner sliding sleeve is cylindrical and is sleeved outside the rotating shaft, and when the rotating shaft is inserted into the jack of the coiling support arm, the steel ball is in contact with the inner sliding sleeve; the supporting arm is batched to a pivot sliding sleeve structure and aluminium foil slitting shear of this scheme design, sets up the holder between outer bush and inner sliding sleeve, makes the sliding friction between inner sliding sleeve and the outer bush when the dismouting pivot originally become rolling friction through the steel ball on the holder, reduces frictional force and makes the pivot dismouting more laborsaving, reduces the wearing and tearing of part simultaneously, improve equipment's operation precision.

Description

Rotating shaft sliding sleeve structure and aluminum foil slitting machine coiling supporting arm

Technical Field

The utility model relates to an aluminium foil slitting machine batches support arm pivot structure, concretely relates to pivot sliding sleeve structure and aluminium foil slitting machine batches the support arm.

Background

The batching support arm of aluminium foil slitting machine is the part that is used for installing the pivot, and the pivot is used for driving the winding roll of rolling aluminium foil raw materials, install the outer bush that a brass was made additional on batching support arm, and a sliding sleeve is established to the cover in the pivot, when roll change or maintenance of equipment, all need follow the coiling support arm with the pivot and pull down, and at the in-process of dismouting pivot, traditional structure all is that sliding friction produces because of relative movement between inner sliding sleeve and the outer bush between, and because the brass material is softer, so can be worn and torn the consumption gradually, because the brass bush that needs periodic renewal, simultaneously, because sliding friction's resistance is great, the volume and the weight of pivot are all very big simultaneously, so waste time and energy when the dismouting pivot.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages, an object of the present invention is to provide a rotating shaft sliding sleeve structure and a coiling support arm of an aluminum foil shearing machine, so as to effectively solve the above technical problems.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a sliding sleeve structure of a rotating shaft comprises

The outer bushing is cylindrical and is fixedly arranged at the inner ring part of the jack of the coiling support arm for inserting the rotating shaft;

the retainer is cylindrical and is fixedly arranged at the inner ring part of the outer bushing;

the steel ball is rotatably arranged on the retainer;

and the inner sliding sleeve is cylindrical and is sleeved outside the rotating shaft, and when the rotating shaft is inserted into the jack of the reeling support arm, the steel ball is in contact with the inner sliding sleeve.

The utility model has the advantages that: the supporting arm is batched to a pivot sliding sleeve structure and aluminium foil slitting shear of this scheme design, sets up the holder between outer bush and inner sliding sleeve, makes the sliding friction between inner sliding sleeve and the outer bush when the dismouting pivot originally become rolling friction through the steel ball on the holder, reduces frictional force and makes the pivot dismouting more laborsaving, reduces the wearing and tearing of part simultaneously, improve equipment's operation precision.

Furthermore, a mounting hole is formed in the retainer, and the steel ball is rotatably arranged in the mounting hole; the steel ball is all installed in the mounting hole of holder, when guaranteeing that the inner sliding sleeve removes, the steel ball can not appear offset when the rotation.

Furthermore, a plurality of mounting holes are uniformly distributed on the retainer, and a steel ball is correspondingly mounted in one mounting hole; because the diameter size of the steel ball is very small, in order to improve the radial bearing capacity, a structure with a plurality of steel balls uniformly distributed is designed, and meanwhile, the number of the steel balls can be properly increased or decreased by a plurality of rows of rolling bodies according to the requirements of the width and the radial load of the bearing.

Furthermore, a flange plate is arranged on the outer ring of the outer bushing; the effect of ring flange is spacing to outer bush, prevents that outer bush from taking place offset about.

Furthermore, two limiting check rings are arranged at the left end and the right end of the inner ring of the outer bushing, and the two limiting check rings respectively abut against the left end and the right end of the retainer; the limiting check ring is used for fixing the retainer on the inner ring of the outer bushing, plays a good limiting role, and prevents the retainer from being driven by the sliding sleeve to move together, so that the position deviation is generated.

Furthermore, a plurality of the retainers are arranged, and the retainers are arranged in parallel in the inner ring of the outer bushing; because the area of the inner ring of the outer bushing is too large, if only one integral retainer structure is adopted, the width of the retainer is too wide, and the stability of the rotation of the rotating shaft during work can be influenced, so that the plurality of retainers are arranged in parallel in the inner ring of the outer bushing in order to avoid the situation that the retainers swing when the rotating shaft rotates.

The rotary shaft sliding sleeve structure is arranged at the jack position of a rotary shaft mounted on the coiling support arm.

Drawings

Fig. 1 is a schematic view of a structure of a rotating shaft sliding sleeve according to an embodiment of the present invention.

Fig. 2 is a schematic view illustrating the movement of the sliding sleeve structure of the present invention.

In the figure: 1. an outer liner; 2. a rotating shaft; 3. a holder; 4. a steel ball; 5. an inner sliding sleeve; 6. a flange plate; 7. and a limiting check ring.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Please refer to fig. 1-2. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely required to be horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, an embodiment of the present invention discloses a rotating shaft sliding sleeve structure and a coiling support arm of an aluminum foil slitting machine, which includes an outer bushing 1, wherein the outer bushing 1 is cylindrical and is fixedly arranged at a position of the coiling support arm for inserting into an inner ring of a jack of a rotating shaft 2; the bearing is characterized by further comprising a retainer 3, wherein the retainer 3 is cylindrical and is fixedly arranged at the inner ring part of the outer bushing 1; the steel ball 4 is rotatably arranged on the retainer 3; the steel ball coiling device is characterized by further comprising an inner sliding sleeve 5, wherein the inner sliding sleeve 5 is cylindrical and is sleeved outside the rotating shaft 2, and when the rotating shaft 2 is inserted into the jack of the coiling supporting arm, the steel ball 4 is in contact with the inner sliding sleeve 5.

The utility model relates to a pivot sliding sleeve structure and aluminium foil slitting shear batch support arm, set up holder 3 between outer bush 1 and inner sliding sleeve 5, make the sliding friction between inner sliding sleeve 5 and outer bush 1 when dismouting pivot 2 originally become rolling friction through steel ball 4 on the holder 3, sliding friction is the frictional force that produces when the object slides along another object surface, rolling friction is the friction that produces when the object rolls on another object, rolling friction is much less than the biggest static friction and sliding friction, under general condition, rolling friction only 1/40 to 1/60 of sliding friction resistance, so it is much more laborsaving than pushing away the object slip at ground rolling object, it makes the dismouting of pivot 2 more laborsaving to reduce frictional force, reduce the wearing and tearing of part simultaneously, improve the operation precision of equipment.

On the basis of the above embodiment, specifically, the holder 3 is provided with a mounting hole, and the steel ball 4 is rotatably disposed in the mounting hole.

The steel ball 4 is arranged in the mounting hole of the retainer 3, so that when the inner sliding sleeve 5 moves, the steel ball 4 can rotate and cannot shift.

On the basis of the above embodiment, specifically, the number of the mounting holes is several and is uniformly distributed on the retainer 3, and one steel ball 4 is correspondingly mounted in one mounting hole.

Because the diameter size of the steel ball 4 is very small, in order to improve the radial bearing capacity, a structure that a plurality of steel balls 4 are uniformly distributed is designed, and meanwhile, the number of the steel balls 4 can be properly increased or decreased by a plurality of rows of rolling bodies according to the requirements of the width and the radial load of the bearing.

In addition to the above embodiment, specifically, the flange 6 is provided on the outer ring of the outer liner 1.

The flange 6 is used for limiting the outer bushing 1 and preventing the outer bushing 1 from shifting left and right.

On the basis of the above embodiment, specifically, two limit retainer rings 7 are disposed at the left and right ends of the inner ring of the outer bushing 1, and the two limit retainer rings 7 respectively abut against the left and right ends of the retainer 3.

The limiting retainer ring 7 is used for fixing the retainer 3 on the inner ring of the outer bushing 1, and the limiting retainer ring 7 plays a good limiting role and prevents the retainer 3 from being driven by the sliding sleeve to move together, so that the position deviation is generated.

On the basis of the above embodiment, specifically, the cage 3 is provided in plurality, and a plurality of cages 3 are arranged in parallel in the inner ring of the outer liner 1;

because the area of the inner ring of the outer liner 1 is too large, if only one integral type retainer 3 structure is adopted, the width of the retainer 3 is too wide, which affects the stability of the rotation of the rotating shaft 2 during operation, so in order to avoid the situation that the retainer 3 swings when the rotating shaft 2 rotates, as shown in fig. 1, 3 retainers 3 are arranged in parallel in the inner ring of the outer liner 1.

The utility model discloses another embodiment discloses an aluminium foil slitting machine batches the support arm the jack position of batching support arm installation pivot 2 is provided with foretell 2 sliding sleeve structures in pivot.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A rotating shaft sliding sleeve structure is characterized in that: comprises that

the steel ball is rotatably arranged on the retainer;

the inner sliding sleeve is cylindrical and sleeved outside the rotating shaft, and when the rotating shaft is inserted into the jack of the coiling supporting arm, the steel ball is in contact with the inner sliding sleeve.

2. The rotating shaft sliding sleeve structure according to claim 1, wherein: the retainer is provided with a mounting hole, and the steel ball is rotatably arranged in the mounting hole.

3. The rotary shaft sliding sleeve structure according to claim 2, wherein: the number of the mounting holes is a plurality of, the mounting holes are evenly distributed on the retainer, and a steel ball is correspondingly mounted in one mounting hole.

4. The rotating shaft sliding sleeve structure according to claim 1, wherein: and a flange plate is arranged on the outer ring of the outer bushing.

5. The rotating shaft sliding sleeve structure according to claim 1, wherein: two limiting check rings are arranged at the left end and the right end of the inner ring of the outer bushing, and the two limiting check rings are respectively abutted against the left end and the right end of the retainer.

6. The rotating shaft sliding sleeve structure according to claim 1, wherein: the retainer is provided with a plurality of retainers, and the retainers are arranged in parallel on the inner ring of the outer lining.

7. The utility model provides an aluminium foil slitting machine batches support arm which characterized in that: a rotating shaft sliding sleeve structure as claimed in any one of the claims 1 to 6 is arranged at the position of the jack of the winding support arm for installing the rotating shaft.