CN212245047U

CN212245047U - Rubber spiral roller

Info

Publication number: CN212245047U
Application number: CN202020855563.XU
Authority: CN
Inventors: 石鹏; 张伟韬; 李超; 宋志勇; 李源; 常丽
Original assignee: Jiaozuo Yuxin Machinery Co ltd
Current assignee: Jiaozuo Yuxin Machinery Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-29
Anticipated expiration: 2030-05-20

Abstract

The utility model provides a rubber spiral roller has solved the trouble, the tight nonadjustable problem of sealed top of integrative encapsulated bearing seal structure maintenance. The utility model comprises a mandrel, a rotatable supporting cylinder is arranged on the mandrel, the inner side cylinder walls at two ends of the supporting cylinder are inwards sunken to form a bearing seat with a section in a shape of a child, a bearing fixedly arranged on the mandrel is arranged in the bearing seat, an inner sealing sleeve and an outer sealing sleeve are sleeved on the mandrel, and a gear ring structure which is meshed in a staggered manner is arranged on the inner sealing sleeve and the outer sealing sleeve; an outer blocking cover is arranged on the mandrel and is positioned on the outer side of the outer sealing sleeve; the outer blocking cover is of a T-shaped structure provided with a hollow groove hole, the outer edge of the T-shaped head of the outer blocking cover is in sliding contact with the inner wall of the bearing seat, the T-shaped head of the outer blocking cover is provided with two groove holes for dismounting, an internal thread is arranged in the hollow groove hole of the outer blocking cover, an external thread matched with the internal thread of the hollow groove hole is arranged on the mandrel, and the outer blocking cover is in threaded connection with the mandrel.

Description

Rubber spiral roller

Technical Field

The utility model relates to an accessory field of conveyer belt especially indicates rubber spiral roller.

Background

The carrier roller is used as a part with the largest use amount and the highest replacement frequency in the belt conveyor, and the service life of the carrier roller seriously influences the normal operation, the service life and the energy consumption of equipment of the whole belt conveyor. Therefore, to ensure the service life of the idler, the idler bearing needs to be sealed by a bearing seal structure. The existing roller bearing sealing structure is mostly in integrated encapsulation, the encapsulation mode has good sealing performance, but the sealing performance is poor due to non-detachability and non-adjustability of jacking force during sealing, so that parts are frequently required to be replaced when the sealing performance is poor, and then the roller bearing sealing structure is welded again for encapsulation, so that the maintenance is troublesome and materials are wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the trouble, the nonadjustable problem of sealed top power of the integrative encapsulated bearing seal structure maintenance that exists among the background art, the utility model provides a rubber spiral roller.

The technical scheme of the utility model is that: the rubber spiral roller comprises a mandrel, wherein a rotatable supporting cylinder is arranged on the mandrel, a rubber cylinder for resisting wear is sleeved on the supporting cylinder, the inner cylinder walls at two ends of the supporting cylinder are inwards sunken to form a bearing seat with a small cross section, a bearing is arranged in the bearing seat, the bearing is fixedly arranged on the mandrel, an inner sealing sleeve and an outer sealing sleeve are sleeved on the mandrel, the inner sealing sleeve and the outer sealing sleeve are positioned on the outer side of the bearing, and a staggered and meshed gear ring structure is arranged on the inner sealing sleeve and the outer sealing sleeve; the mandrel is provided with an outer stop cover for sealing the inner space of the bearing seat, and the outer stop cover is positioned on the outer side of the outer sealing sleeve; the outer cover is of a T-shaped structure with a hollow groove hole, the outer edge of the T-shaped head of the outer cover is in sliding contact with the inner wall of the bearing seat, the T-shaped head of the outer cover is provided with two groove holes for dismounting, the centers of the two groove holes are symmetrical, an internal thread is arranged in the hollow groove hole of the outer cover, an external thread matched with the internal thread of the hollow groove hole is arranged on the core shaft, the outer cover is sleeved on the core shaft through the hollow groove hole, and the outer cover is in threaded connection with the core shaft.

The section structures of the gear ring structures of the inner sealing sleeve and the outer sealing sleeve are inverted-mountain structures meshed in a staggered mode.

The core shaft is sleeved with a cylindrical dust cover made of high-temperature-resistant metal, the wall of the dust cover is inserted between the inner sealing sleeve, the outer sealing sleeve and the inner wall of the supporting cylinder, the inner sealing sleeve and the outer sealing sleeve are located inside the dust cover, the dust cover is in sliding contact with the inner wall of the bearing seat, a rubber sealing ring is arranged on the outer side of the dust cover, and the outer blocking cover is located on the outer side of the rubber sealing ring.

The rubber sealing ring comprises a rubber ferrule sleeved on a straight cylinder of a T-shaped structure of the outer shield cover, and a rubber cone cylinder used for tightly propping and sealing the dust cover is arranged on the inner side of the rubber ferrule.

The outer surface of the supporting cylinder is provided with an anti-slip layer for preventing the rubber cylinder from slipping.

The anti-slip layer is anti-slip lines arranged on the outer surface of the supporting cylinder, and the anti-slip lines are axially extending wave lines or V-shaped lines.

The anti-slip layer is a leaf-shaped convex structure which is arranged on the outer surface of the supporting cylinder in disorder.

The surface of the rubber cylinder is provided with a spiral groove.

The spiral groove comprises a left outer spiral groove and a right outer spiral groove which are opposite in spiral direction, and the spiral direction of the outer spiral grooves is from inside to outside.

The utility model has the advantages that: the utility model adopts the inner sealing sleeve and the outer sealing sleeve with the gear ring to be mutually meshed, the outer blocking cover which is connected on the core shaft through the thread is used for sealing, the jacking force of the inner sealing sleeve and the outer sealing sleeve can be adjusted by rotating the outer blocking cover, and the tightness requirement of the sealing structure can be adjusted; the outer blocking cover is of a T-shaped structure, so that the T-shaped head of the outer blocking cover can be used as a sealing cover structure and is matched with the inwards concave bearing seat to seal the inner space of the bearing seat; when the sealing device is disassembled, the fork-shaped disassembling rod is inserted into the slotted hole of the T-shaped head, the outer blocking cover is screwed, and the outer blocking cover can be disassembled and assembled and the sealing jacking force can be adjusted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an enlarged view of the structure at I in FIG. 1;

fig. 3 is an exploded view of the sealing member of fig. 2.

In the figure, the bearing comprises a mandrel 1, a mandrel 2, a support cylinder 3, a spiral groove 4, a bearing seat 5, a bearing 6, a retainer ring 7, an inner sealing sleeve 8, an outer sealing sleeve 9, a dust cap 10, a rubber sealing ring 11, an outer retainer cap 12, a nut 13 and a gasket.

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 any creative effort belong to the protection scope of the present invention.

Example 1: a rubber spiral roller is shown in figure 1 and comprises a mandrel 1, wherein a rotatable supporting cylinder 2 is arranged on the mandrel 1, a wear-resistant rubber cylinder is sleeved on the supporting cylinder 2, a spiral groove 3 is formed in the surface of the rubber cylinder, the spiral groove 3 comprises a left outer spiral groove and a right outer spiral groove which are opposite in spiral direction, and the spiral direction of the outer spiral grooves is from inside to outside. The spiral groove 3 not only has the function of automatically rectifying deviation of the conveying belt, but also can well clean materials adhered to the conveying belt. The outer surface of the supporting cylinder 2 is provided with anti-slip lines for preventing the rubber cylinder from slipping, and the anti-slip lines can adopt axially extending wave lines or V-shaped lines.

As shown in fig. 2 and 3, the inner side cylinder walls at two ends of the support cylinder 2 are recessed inwards to form a bearing seat 4 with a small cross section, a bearing 5 is arranged in the bearing seat 4, the bearing 5 is fixedly arranged on the mandrel 1, an inner sealing sleeve 7 and an outer sealing sleeve 8 are sleeved on the mandrel 1, the inner sealing sleeve 7 and the outer sealing sleeve 8 are positioned outside the bearing 5, the inner sealing sleeve 7 and the outer sealing sleeve 8 are provided with staggered and meshed gear ring structures, and the profile structures of the gear ring structures of the inner sealing sleeve 7 and the outer sealing sleeve 8 are staggered and meshed inverted-mountain-shaped structures. The mandrel 1 is sleeved with a cylindrical dust cover 9 made of high-temperature-resistant metal, the cylindrical wall of the dust cover 9 is inserted between an inner sealing sleeve 7, an outer sealing sleeve 8 and the inner wall of the supporting cylinder 2, the inner sealing sleeve 7 and the outer sealing sleeve 8 are located inside the dust cover 9, the dust cover 9 is in sliding contact with the inner wall of the bearing seat 4, a rubber sealing ring 10 is arranged on the outer side of the dust cover 9, an outer blocking cover 11 used for sealing the inner space of the bearing seat 4 is arranged on the mandrel 1, the outer blocking cover 11 is made of high-temperature-resistant metal in an integrated mode, and the outer blocking cover 11 is located on the outer side of. The outer shield cover 11 is a T-shaped structure with a hollow groove hole, the rubber sealing ring 10 comprises a rubber ferrule sleeved on a straight tube of the T-shaped structure of the outer shield cover 11, and a rubber cone used for tightly propping and sealing the dust cover 9 is arranged on the inner side of the rubber ferrule. The outer edge of the T-shaped head of the outer retaining cover 11 is in sliding contact with the inner wall of the bearing seat 4, the T-shaped head of the outer retaining cover 11 is provided with two slotted holes for dismounting, the centers of the two slotted holes are symmetrical, an internal thread is arranged in a hollow slotted hole of the outer retaining cover 11, an external thread matched with the internal thread of the hollow slotted hole is arranged on the mandrel 1, the outer retaining cover 11 is sleeved on the mandrel 1 through the hollow slotted hole, and the outer retaining cover 11 is in threaded connection with the mandrel 1.

The working principle is as follows: firstly, two inner sealing sleeves with gear rings and an outer sealing sleeve are mutually meshed, then the inner sealing sleeves and the outer sealing sleeves are arranged in a dustproof cover 9, the inner sealing sleeves and the outer sealing sleeves are sleeved on a mandrel 1, rubber sealing rings 10 are arranged on an outer blocking cover 11, a rubber cone of each rubber sealing ring 10 tightly pushes against the dustproof cover 9 through rotating the outer blocking cover 11 arranged on the mandrel 1, further, the inner space of a bearing seat 4 is sealed, a five-layer staggered sealing structure is formed, and the sealing effect is good.

When the sealing performance is deteriorated due to the reduction of the elasticity of the gasket member in the sealing member after the use time is over, the jacking force of the sealing member can be adjusted by rotating the outer blocking cover 11, so that the sealing performance requirement is met again; the outer blocking cover is of a T-shaped structure, so that the T-shaped head of the outer blocking cover can be used as a sealing cover structure and is matched with the inwards concave bearing seat to seal the inner space of the bearing seat; when the detachable cover is disassembled and assembled, the fork-shaped disassembling rod is inserted into the slotted hole of the T-shaped head, and the outer blocking cover is screwed, so that the outer blocking cover can be disassembled and assembled for maintenance.

Example 2: the rubber spiral roller, the surface of a support section of thick bamboo 2 is equipped with the skid resistant course that is used for preventing the rubber section of thick bamboo and skids, and the skid resistant course is the unordered leaf form protruding structure of establishing at a support section of thick bamboo 2 surface. The other structure is the same as embodiment 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Rubber spiral roller is equipped with rotatable support section of thick bamboo (2) including dabber (1) on dabber (1), supports a section of thick bamboo (2) and goes up the cover and be equipped with and be used for wear-resisting rubber cylinder, its characterized in that: the inner side cylinder walls at two ends of the supporting cylinder (2) are inwards sunken to form a bearing seat (4) with a small cross section, a bearing (5) is arranged in the bearing seat (4), the bearing (5) is fixedly arranged on the mandrel (1), an inner sealing sleeve (7) and an outer sealing sleeve (8) are sleeved on the mandrel (1), the inner sealing sleeve (7) and the outer sealing sleeve (8) are positioned on the outer side of the bearing (5), and the inner sealing sleeve (7) and the outer sealing sleeve (8) are provided with staggered and meshed gear ring structures; an outer retaining cover (11) used for sealing the inner space of the bearing seat (4) is arranged on the mandrel (1), and the outer retaining cover (11) is positioned on the outer side of the outer sealing sleeve (8); outer fender lid (11) are for the T type structure that is equipped with the cavity slotted hole, the outer inner wall sliding contact along with bearing frame (4) of the T type head of outer fender lid (11), the T type head that keeps off lid (11) outward is equipped with two slotted holes that are used for the dismouting, two slotted hole centrosymmetries, the downthehole internal thread that is equipped with of cavity slotted hole of outer fender lid (11), be equipped with the external screw thread with the internal thread matched with of cavity slotted hole on dabber (1), outer fender lid (11) are established on dabber (1) through cavity slotted hole cover, outer fender lid (11) and dabber (1) threaded connection.

2. The rubber spiral roller as set forth in claim 1, wherein: the section structures of the gear ring structures of the inner sealing sleeve (7) and the outer sealing sleeve (8) are inverted-mountain structures which are meshed in a staggered mode.

3. The rubber spiral roller as set forth in claim 1, wherein: the high-temperature-resistant metal dust-proof cover is characterized in that a cylindrical dust-proof cover (9) made of high-temperature-resistant metal is sleeved on the mandrel (1), the cylinder wall of the dust-proof cover (9) is inserted between the inner walls of the inner sealing sleeve (7), the outer sealing sleeve (8) and the supporting cylinder (2), the inner sealing sleeve (7) and the outer sealing sleeve (8) are located inside the dust-proof cover (9), the dust-proof cover (9) is in sliding contact with the inner wall of the bearing seat (4), a rubber sealing ring (10) is arranged on the outer side of the dust-proof cover (9), and the outer blocking cover (11).

4. The rubber spiral roller as set forth in claim 1, wherein: the rubber sealing ring (10) comprises a rubber ferrule sleeved on a straight cylinder of a T-shaped structure of the outer blocking cover (11), and a rubber cone cylinder used for tightly jacking and sealing the dust cover (9) is arranged on the inner side of the rubber ferrule.

5. The rubber spiral roller as set forth in claim 1, wherein: the outer surface of the supporting cylinder (2) is provided with an anti-slip layer for preventing the rubber cylinder from slipping.

6. The rubber spiral roller as set forth in claim 5, wherein: the anti-skid layer is anti-skid lines arranged on the outer surface of the supporting cylinder (2), and the anti-skid lines are axially extending wave lines or V-shaped lines.

7. The rubber spiral roller as set forth in claim 5, wherein: the anti-slip layer is a leaf-shaped convex structure which is arranged on the outer surface of the supporting cylinder (2) in disorder.

8. The rubber spiral roller as set forth in claim 1, wherein: the surface of the rubber cylinder is provided with a spiral groove (3), and the spiral direction of the outer spiral groove is from inside to outside.

9. The rubber spiral roller as set forth in claim 8, wherein: the spiral groove (3) comprises a left external spiral groove and a right external spiral groove which have opposite spiral directions.