Self-aligning roller bearing with spring on outer diameter for roller press and assembly tool

Abstract

The utility model provides a self-aligning roller bearing with a spring on the outer diameter for a roller press and a tool. The self-aligning roller bearing comprises an outer ring, an inner ring, a plurality of rollers, a retainer and the spring, a groove is formed in the peripheral face of the outer ring, and the spring is placed in the groove. Three groups of grooves are uniformly formed in the peripheral surface of the outer ring, each group of grooves comprises two grooves, and the two grooves of each group of grooves are symmetrical along the central line of the peripheral surface of the outer ring. The self-aligning roller bearing with the spring on the outer diameter can be used in a roller press, due to the fact that the spring is additionally arranged on the peripheral face of the bearing outer ring, the bearing outer ring can be prevented from rolling in the radial direction in the using process of the bearing, the bearing outer ring can bear large radial force and a small part of axial force, meanwhile, the spring is additionally arranged to play a role in damping the bearing and a bearing seat, and the service life of the bearing is prolonged. And the service life of equipment and the bearing is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing manufacturing field, especially, a kind of outer diameter spring's aligning roller bearing for roller press and assembly tool are provided. BACKGROUND

[0002] Aligning roller bearing is composed of outer ring, inner ring, roller and retainer, and can bear large radial force and small part of axial force.After being installed on roller press, the outer ring of aligning roller bearing is stressed, and the inner ring is rotated 360 degrees, because the inner diameter of inner ring and shaft are interference fit, and the outer diameter of outer ring and bearing seat are clearance fit.During the operation of equipment, the outer ring of aligning roller bearing is stressed, and the inner ring is rotated 360 degrees.Because a set of equipment of roller press is relatively installed with four sets of bearings, and two sets of bearings are relatively extruded and operated, that is, two sets of bearings are stressed on one side and not stressed on the other side, but gap is generated on the other side, which easily causes the outer diameter surface of bearing outer ring to collide with the inner diameter of bearing seat, resulting in the reduction of bearing life. SUMMARY

[0003] The utility model aims at overcoming the above technical defects, and provides a kind of outer diameter spring's aligning roller bearing for roller press and assembly tool.

[0004] To achieve the above object, the utility model adopts the technical scheme that:

[0005] A kind of outer diameter spring's aligning roller bearing for roller press, including outer ring, inner ring, several rollers, retainer and spring;The outer circumferential surface of the outer ring is provided with groove, and the spring is placed in the groove.

[0006] Further, the outer circumferential surface of the outer ring is uniformly provided with three groups of grooves, each group of grooves contains two grooves, and the two grooves of each group of grooves are symmetrical along the center line of the circumferential surface of the outer ring.

[0007] Further, a total of 6 springs are provided on the outer circumferential surface of the outer ring, one end of the spring placed in the groove is a fixed end, and the other end of the spring away from the groove is a free end, and the free end is provided with a part of extension segment in the direction of the outer circumferential surface of the outer ring.

[0008] Further, the length of the extension segment is 0.6mm.

[0009] Further, the outer circumferential surface of the outer ring is provided with bearing seat outside, and there is a fit gap of 0.2mm between the inner diameter of the bearing seat and the outer diameter of the outer ring.

[0010] Further, the tool is composed of semicircular ring cylinder, first connecting block, second connecting block and handle, one side of the semicircular ring cylinder is connected with the first connecting block radially, the other side of the semicircular ring cylinder is connected with the second connecting block radially, and the handle is connected with the outer circumferential surface of the semicircular ring cylinder.

[0011] Further, the first connecting block is provided with two positioning holes; the second connecting block is provided with two positioning holes.

[0012] Further, the tool has two, one first connecting block of the tool and the second connecting block of the other tool are combined.

[0013] Compared with the prior art, the beneficial effects of the present application are:

[0014] The outer diameter spring type self-aligning roller bearing can be used in a rolling mill, since the spring is installed on the outer periphery of the bearing outer ring, the bearing outer ring can avoid radial rolling during use of the bearing, so that the bearing outer ring can bear larger radial force and small part of axial force, and the installed spring can also play a damping role on the bearing and the bearing seat, thereby increasing the service life of the equipment and the bearing. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Among them:

[0017] Figure 1 For the assembly process of the self-aligning roller bearing and the bearing seat of the present application, the structure diagram when the spring part does not enter the bearing seat;

[0018] Figure 2 For the assembly process of the self-aligning roller bearing and the bearing seat of the present application, the structure diagram when the spring part enters the bearing seat;

[0019] Figure 3 For the assembly process of the self-aligning roller bearing and the bearing seat of the present application, the structure diagram when the spring part completely enters the bearing seat;

[0020] Figure 4 For the tool structure diagram;

[0021] Figure 5 For the front view of the tool;

[0022] Figure 6 For the tool and bearing outer ring cooperation structure diagram;

[0023] Figure 7 For the bearing outer ring and bearing seat cooperation section view.

[0024] In the figure: 1 is the outer ring; 2 is the inner ring; 4 is the roller; 6 is the cage; 10 is the tool; 11 is the spring; 13 is the bearing seat; 21 is the half ring cylinder; 22 is the first connecting block; 23 is the positioning hole; 24 is the handle; 25 is the second connecting block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] As shown in the figure, an outer diameter spring adjusting roller bearing for a roller press, comprising an outer ring 1, an inner ring 2, a plurality of rollers 4, a cage 6 and a spring 11; the outer ring 1 is provided with a groove on the outer circumferential surface, and the spring 11 is placed in the groove. Figures 1-7 Further, three groups of grooves are uniformly arranged on the outer circumferential surface of the outer ring 1, and each group of grooves contains two grooves, and the two grooves of each group of grooves are symmetrical along the center line of the circumferential surface of the outer ring 1.

[0027] Further, a total of six springs 11 are arranged on the outer circumferential surface of the outer ring 1, one end of the spring 11 placed in the groove is a fixed end, and the other end of the spring 11 away from the groove is a free end, and the free end is provided with a part of the extension segment outward from the outer circumferential surface of the outer ring 1.

[0028] Further, the length of the extension segment is 0.6mm.

[0029] Further, a bearing seat 13 is arranged outside the outer circumferential surface of the outer ring 1, and there is a fitting gap of 0.2mm between the inner diameter of the bearing seat 13 and the outer diameter of the outer ring 1.

[0030] Further, the tool 10 is composed of a half ring cylinder 21, a first connecting block 22, a second connecting block 25 and a handle 24, one side of the half ring cylinder 21 is connected with the first connecting block 22 in the radial direction, the other side of the half ring cylinder 21 is connected with the second connecting block 25 in the radial direction, and the handle 24 is connected with the outer circumferential surface of the half ring cylinder 21.

[0031] Further, two positioning holes 23 are arranged on the first connecting block 22; and two positioning holes 23 are arranged on the second connecting block 25.

[0032] Further, the tool 10 has two, and the first connecting block 22 of one tool 10 is attached to the contact surface of the second connecting block 25 of the other tool 10.

[0033] Further, the tool 10 has two, and the first connecting block 22 of one tool 10 is attached to the contact surface of the second connecting block 25 of the other tool 10.

[0034] The symmetrical points of the stress area on the bearing outer ring are provided with three groups of grooves, that is, a group of grooves is provided on the bearing outer ring every 120°, each group of grooves has two grooves, and each group of grooves is symmetrical along the center line of the circumferential surface of the outer ring 1. A spring 11 is placed on each groove. The side close to the bearing outer ring 1 of the spring 11 is a fixed end, and the side away from the bearing outer ring 1 is a free end, and the free end is provided with a part of an extension section in the direction away from the outer circumferential surface of the outer ring 1. In this embodiment, the length of the extension section of the spring is 0.6 mm.

[0035] When the tool 10 is used, the position of the handle 24 is pressed by hand. In this embodiment, two tools 10 are used, one tool 10 is installed on one side of the bearing outer ring 1, and the other tool 10 is installed on the other side of the bearing outer ring 1. The bolts are passed through the positioning holes 23 on the two tools, so that the first connecting blocks 22 of the two tools are connected together, and the second connecting blocks 25 of the two tools are connected together. Here, the spring 11 on the bearing outer ring can be pressed tightly by pressing the handle, so that the length of the spring 11 is consistent with the groove depth of the bearing outer ring. At this time, the spring 11 is no longer the protruding part of the bearing outer ring 1, and the bearing outer ring 1 can be pushed into the bearing seat. The tool not only can compact the spring, but also can increase the height of the bearing outer ring, so that the bearing outer ring can be directly pushed into the bearing seat.

[0036] The outer circumferential surface of the outer ring 1 is provided with a bearing seat 13, and there is a fit gap of 0.2 mm between the inner diameter of the bearing seat 13 and the outer diameter of the outer ring 1. As shown in Figure 1 , the spring 11 is first pressed tightly to be flush with the bearing outer ring 1 using the tool, and then the bearing outer ring 1 is pushed from the right side as shown in Figure 2 , until the spring position on the left side of the bearing outer ring enters the bearing seat 13, and the bearing outer ring 1 is continuously pushed, so that all the springs on the bearing outer ring 1 are located in the bearing seat 13, and the tool 10 is removed. The bearing outer ring 1 can be pushed to the corresponding position of the bearing seat 13.

[0037] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0038] In addition, the descriptions in the present application involving "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features indicated or implying the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection claimed by the present application.

[0039] The above only discloses the preferred embodiments of the present application, of course, cannot limit the scope of protection of the present application, therefore, the equivalent changes made by the claims of the present application, still within the scope of the present application.

Claims

1. A spherical roller bearing with an outer ring band spring for a roller press, characterized in that Including outer ring, inner ring, a number of rollers, retainer and spring;The outer ring outer circumferential surface is provided with groove, the spring is placed in the groove;The outer circumferential surface of the outer ring is uniformly provided with three groups of grooves, and each group of grooves contains two grooves, and the two grooves of each group of grooves are symmetrical along the center line of the circumferential surface of the outer ring.

2. A spherical roller bearing with an outer ring band spring for a roller press according to claim 1, characterized in that The outer circumferential surface of the outer ring is provided with 6 springs, and the spring is placed in the groove;One end of the spring is fixed end, and the other end of the spring is free end, and a part of the extension section is provided on the free end and the outer circumferential surface of the outer ring.

3. A spherical roller bearing with an outer ring band spring for a roller press according to claim 2, characterized in that The length of the extension section is 0.6mm.

4. The spherical roller bearing with an outer ring and a spring for a roller press according to claim 1, characterized in that, The outer circumferential surface of the outer ring is provided with bearing seat, and there is a matching gap of 0.2mm between the inner diameter of the bearing seat and the outer diameter of the outer ring.

5. An assembly jig for a spherical roller bearing with an outer diameter band spring for a roller press, characterized in that The tool for the outer diameter spring aligned roller bearing of the roller press described in any one of claims 1-4 is composed of a semicircular ring cylinder, a first connecting block, a second connecting block and a handle, one side of the semicircular ring cylinder is connected with the first connecting block in the radial direction, the other side of the semicircular ring cylinder is connected with the second connecting block in the radial direction, and the handle is connected with the outer circumferential surface of the semicircular ring cylinder.

6. The assembly tool for the outer diameter belt spring type thrust roller bearing of a roller press according to claim 5, characterized in that, Two positioning holes are arranged on the first connecting block;Two positioning holes are arranged on the second connecting block.

7. The assembly tool for the outer diameter belt spring type thrust roller bearing of a roller press according to claim 6, characterized in that, The tool has two, and the contact surface of the first connecting block of one tool is attached to the second connecting block of the other tool.

Images