CN213595266U

CN213595266U - Roller structure of paper cutter belt conveying system greatly circles round

Info

Publication number: CN213595266U
Application number: CN202022591445.5U
Authority: CN
Inventors: 何廷龙; 宋庆元; 周承刚; 陈磊; 祝磊
Original assignee: Chongqing Longjing Paper Co ltd
Current assignee: Chongqing Longjing Paper Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-02
Anticipated expiration: 2030-11-11

Abstract

The utility model provides a paper cutter belt conveyor's that circles round greatly roller structure, includes roller body, installation axle, bearing, and roller body's middle part is equipped with the through-hole, is equipped with a plurality of bar protruding muscle on the inner wall of through-hole, and these bar protruding muscle extend along roller body's length direction, and the quantity of bearing is four, and wherein two bearings are installed in the first end of through-hole, and spacing through a plurality of bar protruding muscle axial, and two bearings are installed at the other end of through-hole in addition, and spacing through a plurality of bar protruding muscle axial, the installation axle is the step shaft, and the minor diameter section of step shaft passes the inner circle of four bearings from the one end of through-hole in proper order, and the other end of overhanging through-hole, and the extension end of the minor diameter section of this step shaft is equipped with spacing jump ring, and it. The utility model discloses simple structure, processing cost, installation, dismantlement bearing are convenient, quick, can effectively reduce the maintenance cost.

Description

Roller structure of paper cutter belt conveying system greatly circles round

Technical Field

The utility model relates to a papermaking field, in particular to paper cutter belt conveyor's that circles round roller structure greatly.

Background

A large-circle paper cutter used by a flat winding machine of a paper making enterprise is characterized in that a belt conveying roller configured by a feeding mechanism and a discharging mechanism is assembled by a roller with a shaft shoulder at one end, a shaft with a snap spring at the other end, two roller bearings, two ball bearings and a roller with mounting holes at two ends, wherein the roller bearings are mounted on the inner sides of the mounting holes, and the ball bearings are mounted on the outer sides of the roller bearings. When the roller bearing or the roller bearing is damaged, particularly after the roller bearing is damaged, the excircle of the bearing is difficult to detach, and great difficulty is brought to normal maintenance.

Disclosure of Invention

The utility model aims at the not enough of prior art, provide a paper cutter belt conveyor's that circles round roller structure greatly, its simple structure, processing cost, installation, dismantlement bearing are convenient, quick, can effectively reduce the maintenance cost.

The technical scheme of the utility model is that: a roller structure of a belt conveying system of a large-convolution paper cutter comprises a roller body, a mounting shaft and bearings, wherein a through hole penetrating along the length direction of the roller body is formed in the middle of the roller body, a plurality of strip-shaped convex ribs are arranged on the inner wall of the through hole and extend along the length direction of the roller body, the two ends of each strip-shaped convex rib are respectively provided with a spacing distance with shaft end surfaces corresponding to the roller body, the number of the bearings is four, the bearings are all ball bearings, the outer rings of the ball bearings are matched with the aperture of the through hole, two of the bearings are mounted at the first end of the through hole and axially limited by the strip-shaped convex ribs, the other two bearings are mounted at the other end of the through hole and axially limited by the strip-shaped convex ribs, the mounting shaft is a stepped shaft, a small-diameter section of the stepped shaft sequentially penetrates through the inner rings of the four bearings from, the extension end of the small-diameter section of the stepped shaft is provided with a limiting clamp spring, axial limiting is formed through a shaft shoulder of the stepped shaft and the limiting clamp spring, and the stepped shaft and the limiting clamp spring are combined to form a roller structure.

The plurality of strip-shaped convex ribs are uniformly distributed along the circumferential direction of the through hole.

The number of the strip-shaped convex ribs is two, three or four.

The spacing distance between one end of the strip-shaped convex rib and the corresponding shaft end face of the roller body is the same as the spacing distance between the other end of the strip-shaped convex rib and the corresponding shaft end face of the roller body.

The raised height of the strip-shaped convex ribs exceeds the inner periphery of the bearing outer ring and does not exceed the outer periphery of the bearing inner ring.

The two ends of the periphery of the roller body are respectively conical.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the roller structure of the belt conveying system of the large-convolution paper cutter comprises a roller body, an installation shaft and a bearing. The middle part of the roller body is provided with a through hole which penetrates along the length direction of the roller body, the whole section of the through hole has the same aperture, the processing is convenient, and the processing cost is low. The inner wall of the through hole is provided with a plurality of strip-shaped convex ribs, the strip-shaped convex ribs extend along the length direction of the roller body, the two ends of each strip-shaped convex rib are respectively provided with a spacing distance from the corresponding shaft end surface of the roller body, and the through hole is located at the two ends of each strip-shaped convex rib to form a bearing assembly section. The quantity of bearing is four, is ball bearing, and ball bearing's outer lane suits with the aperture of through-hole, and the bearing adopts the same ball bearing, and convenient management, maintenance do benefit to the maintenance cost that reduces the enterprise. Wherein two bearings are installed at the first end of through-hole, and it is spacing through a plurality of bar protruding muscle axial, and two other bearings are installed at the other end of through-hole, and it is spacing through a plurality of bar protruding muscle axial, promptly, through a plurality of bar protruding muscle, one-way limited bearing's axial position. The installation axle is the step shaft, and the minor diameter section of step shaft passes the inner circle of four bearings in proper order from the one end of through-hole, and the other end that stretches out the through-hole, and the major diameter section of this step shaft is located one side of roller body, and the minor diameter section of this step shaft is located the opposite side of roller body for with the support fixed continuous, form the support to the roller body. The extension end of the small-diameter section of the stepped shaft is provided with a limiting clamp spring, the shaft shoulder of the stepped shaft and the limiting clamp spring form axial limitation, and the roller structure is combined to enable the axial position of the roller body on the installation shaft to be fixed, so that the roller body is guaranteed to normally work for a long time. When the maintenance needs, especially to the maintenance of bearing, will install the axle and dismantle the back, usable specific instrument passes the bearing inner race of roller body one end after, along the interval space between the adjacent bar protruding muscle, to the bearing outer lane application of force of the other end, release the through-hole with the bearing of the other end, conveniently maintain or change the bearing, and in the same way, utilize specific instrument to the bearing outer lane application of force of one end, release the through-hole with the bearing of one end and maintain or change, the installation, dismantle the bearing convenient, swift.

2. The protruding highly surpasses the interior week of bearing inner race of bar protruding muscle, does not exceed the periphery of bearing inner race, under the prerequisite of guaranteeing the protruding muscle of bar to the spacing intensity of bearing inner race, reduces the interference effect of the protruding muscle of bar to specific instrument, makes things convenient for the manual work to dismantle the bearing, and in addition, the protruding muscle quality of bar of lower protruding height is little, can also reduce the rotation inertia of roller body.

3. The periphery both ends of roller body are the toper respectively, conveniently install, dismantle the belt on roller body.

The following further description is made with reference to the accompanying drawings and detailed description.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

figure 2 is the structural schematic diagram of the roller body of the utility model.

In the drawing, 1 is the roller body, and 2 are installation axle, and 3 are the bearing, and 4 are the through-hole, and 5 are the protruding muscle of bar, and 6 are spacing jump ring.

Detailed Description

The utility model discloses in, do not mark installation, the conventional installation of the general adoption chemical industry field of specific installation, connected mode or install, connect according to the guide suggestion of producer.

Referring to fig. 1 and 2, a particular embodiment of a roll structure for a large loop cutter belt transport system is shown. The roller structure of the belt conveying system of the large-convolution paper cutter comprises a roller body 1, an installation shaft 2 and a bearing 3. Roller body 1's middle part is equipped with along roller body 1 length direction through-hole 4, and the whole section aperture of this through-hole is the same, for a straight hole, and for convenient installation and dismantlement belt, roller body 1's periphery both ends are the toper respectively. Be equipped with the protruding muscle 5 of a plurality of bars on the inner wall of through-hole 4, these protruding muscle 5 of bars extend along the length direction of roller body, and the both ends of the protruding muscle 5 of bars have spacing distance with the axle head face that roller body 1 corresponds respectively, the quantity of the protruding muscle of bars is two or three or four, along through-hole 4's circumference evenly distributed, and 5 one end of the protruding muscle of bars and roller body 1 correspond the spacing distance between the axle terminal surface, it is the same with the protruding muscle other end of bars and roller body correspond the spacing distance between the axle terminal surface, in this embodiment, the quantity of the protruding muscle of bars is four, through integrated into one piece or welded fastening on the inner wall of through-hole. The quantity of bearing 3 is four, is ball bearing, and ball bearing's outer lane suits with the aperture of through-hole 4, and wherein two bearings are installed in the first end of through-hole 4, and it is spacing through the protruding muscle 5 axial of a plurality of bars, and two other bearings are installed at the other end of through-hole 4, and it is spacing through the protruding muscle 5 axial of a plurality of bars, and is concrete, and the left end face that is located leftmost bearing and roller body flushes, and the right-hand member face that is located the bearing and roller body on rightmost side flushes. Installation axle 2 is the step shaft, the inner circle of four bearings is passed in proper order from the left end of through-hole 4 to the path section of step shaft, and the right-hand member of overhanging through-hole 4, the extension end of the path section of this step shaft is equipped with spacing jump ring 6, shoulder and spacing jump ring 6 through the step shaft form the axial spacing, the combination constitutes roller structure, in this embodiment, be equipped with the annular in the path section of step shaft, spacing jump ring is installed in the annular, it is spacing to form the axial to the bearing of right-hand member, assemble in the frame for the convenience with the installation axle, the big path section axle terminal surface middle part of installation axle is equipped with the screw hole, the path section axle terminal surface middle part of installation axle.

Further, in order to guarantee the limiting strength of the bearing and avoid interference to specific tools, the protruding height of the strip-shaped convex rib 5 exceeds the inner periphery of the outer ring of the bearing 3 and does not exceed the outer periphery of the inner ring of the bearing 3.

The utility model discloses when needing to dismantle the bearing, dismantle roller structure from the frame earlier, then dismantle spacing jump ring, will install the axle and take out, utilize specific instrument, after passing the bearing inner circle of roller body one end, along the interval space between the protruding muscle of adjacent bar, to the bearing inner race application of force of the other end, release the through-hole with the bearing of the other end, conveniently maintain or change the bearing, and on the same way, utilize specific instrument to the bearing inner race application of force of one end, release the through-hole with the bearing of one end and maintain or change.

Claims

1. The utility model provides a paper cutter belt conveyor's that circles round roller structure greatly which characterized in that: comprises a roller body (1), a mounting shaft (2) and a bearing (3),

the middle part of the roller body (1) is provided with a through hole (4) which penetrates along the length direction of the roller body (1), the inner wall of the through hole (4) is provided with a plurality of strip-shaped convex ribs (5), the strip-shaped convex ribs (5) extend along the length direction of the roller body, and the two ends of the strip-shaped convex ribs (5) are respectively provided with a spacing distance with the shaft end surfaces corresponding to the roller body (1),

the number of the bearings (3) is four, the bearings are all ball bearings, the outer rings of the ball bearings are adapted to the aperture of the through hole (4), two of the bearings are arranged at the first end of the through hole (4) and are axially limited by a plurality of strip-shaped convex ribs (5), the other two bearings are arranged at the other end of the through hole (4) and are axially limited by a plurality of strip-shaped convex ribs (5),

the installation axle (2) is the step shaft, and the minor diameter section of step shaft passes the inner circle of four bearings in proper order from the one end of through-hole (4), and the other end of overhanging through-hole (4), and the extension end of the minor diameter section of this step shaft is equipped with spacing jump ring (6), and it is spacing to form the axial through the shoulder of step shaft and spacing jump ring (6), makes up and constitutes roller structure.

2. The roll structure of a large loop cutter belt transport system according to claim 1, characterized in that: the plurality of strip-shaped convex ribs (5) are uniformly distributed along the circumferential direction of the through hole (4).

3. The roll structure of a large loop cutter belt transport system according to claim 1, characterized in that: the number of the strip-shaped convex ribs (5) is two, three or four.

4. The roll structure of a large loop cutter belt transport system according to claim 1, characterized in that: the spacing distance between the end faces of the corresponding shafts of the strip-shaped convex ribs (5) and the roller body (1) is the same as the spacing distance between the end faces of the corresponding shafts of the other end of the strip-shaped convex ribs and the roller body.

5. The roll structure of a large loop cutter belt transport system according to claim 1, characterized in that: the protruding height of the strip-shaped convex rib (5) exceeds the inner periphery of the outer ring of the bearing (3) and does not exceed the outer periphery of the inner ring of the bearing (3).

6. The roll structure of a large loop cutter belt transport system according to claim 1, characterized in that: the two ends of the periphery of the roller body (1) are respectively conical.