CN219570656U - Bearing sealing structure of horizontal sand mill - Google Patents

Abstract

The utility model belongs to the technical field of sand mills, and particularly relates to a bearing sealing structure of a horizontal sand mill, which comprises a bearing seat, wherein a transmission shaft of the sand mill passes through the bearing seat, and a lubrication cavity is formed in the bearing seat; the installation cavity is arranged on two sides of the bearing seat and is used for installing the bearings, two bearings on the transmission shaft are respectively arranged in a safety cavity, and the installation cavity is communicated with the lubrication cavity; the sealing ring is sleeved on the transmission shaft, is connected with the bearing seat and is used for sealing the mounting cavity, and the sealing ring is detachably connected with the bearing seat; the annular groove is formed in one side of the sealing ring, which faces the mounting cavity; the first oil storage tank is arranged on the inner wall of the annular groove, and the tank bottom of the first oil storage tank is communicated with the annular groove through an oil channel; the beneficial effects of the utility model are as follows: greatly reduces the phenomenon of oil leakage and ensures the lubrication effect.

Description

Bearing sealing structure of horizontal sand mill

Technical Field

The utility model relates to the technical field of sand mills, in particular to a bearing sealing structure of a horizontal sand mill.

Background

The sand mill is also called a bead mill, is mainly used for wet grinding of chemical liquid products, and can be generally classified into a horizontal sand mill, a basket sand mill, a vertical sand mill and the like according to the service performance; the demand for fine grinding is large in the mine field at present, and the use of large sand mills is gradually popularized; the prior large horizontal sand mill, such as a sand mill bearing lubrication mechanism disclosed in patent publication No. CN210068765U, is characterized in that a transmission shaft is generally installed and supported by a left bearing seat and a right bearing seat which are arranged side by side, and a lubrication mechanism with lubrication cavities matched is arranged in a bearing shell of the bearing seat so as to lubricate and cool the bearing; because lubrication work is needed, good tightness is required to be ensured to avoid leakage of lubricating oil, but the existing bearing seat has the conditions of oil leakage and oil exudation after the bearing is installed, so that the lubrication cooling effect is affected.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a bearing sealing structure of a horizontal sand mill, which is used for solving the problems in the background art.

In view of the above, the utility model provides a bearing sealing structure of a horizontal sand mill, which comprises a bearing seat for a transmission shaft of the sand mill to pass through, wherein a lubrication cavity is arranged in the bearing seat; the installation cavity is arranged on two sides of the bearing seat and is used for installing the bearings, two bearings on the transmission shaft are respectively arranged in a safety cavity, and the installation cavity is communicated with the lubrication cavity; the sealing ring is sleeved on the transmission shaft, is connected with the bearing seat and is used for sealing the mounting cavity, and the sealing ring is detachably connected with the bearing seat; the annular groove is formed in one side of the sealing ring, which faces the mounting cavity; the first oil storage tank is arranged on the inner wall of the annular groove, and the tank bottom of the first oil storage tank is communicated with the annular groove through an oil channel.

In the above technical solution, further, the annular grooves are provided in a plurality of concentric positions.

In the above technical scheme, further, a first sealing ring is arranged on the contact surface of the sealing ring and the transmission shaft, and a second sealing ring is arranged on the contact surface of the sealing ring and the bearing seat.

In the above technical scheme, further, the sealing ring is provided with limit stop towards one side of installation cavity, limit stop inserts the installation intracavity and contacts with the installation intracavity wall.

In the above technical scheme, further, still be provided with the second oil storage tank on the ring channel inner wall, the second oil storage tank is located the one side that the installation cavity was kept away from to first oil storage tank.

In the above technical scheme, further, the bearing frame bottom is provided with the support base of being connected with the sand mill, the bearing frame passes through the mounting panel and is connected with the support base.

In the above technical scheme, further, the bearing seat comprises an upper shell and a lower shell, and the upper shell and the lower shell are in sealing connection and are arranged to be of a detachable structure.

The beneficial effects of the utility model are as follows: according to the utility model, the installation cavity is sealed through the arrangement of the sealing ring, so that the leakage of lubricating oil is avoided, the arrangement of the annular grooves can temporarily store the oil thrown to the side part, the oil is prevented from entering the gap between the bearing seat and the sealing ring, the oil in the annular grooves can flow downwards and flow back into the installation cavity again, the leakage of the oil is reduced, meanwhile, the arrangement of the first oil storage groove is matched, when the oil permeates between the sealing ring and the transmission shaft, the oil enters the first oil storage groove and returns to the installation cavity again through the oil passing channel, the leakage of the oil is further avoided, and the lubricating and cooling effects are ensured; the oil return setting of the first oil storage tank of setting cooperation of ring channel has reduced the phenomenon of oil leak by a wide margin, has guaranteed lubricated effect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a specific embodiment of the present utility model;

FIG. 2 is a schematic view of a bearing housing according to an embodiment of the present utility model;

FIG. 3 is a schematic illustration of the attachment of a seal ring in accordance with an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

marked in the figure as:

1. a bearing seat; 101. an upper housing; 102. a lower housing; 2. a mounting cavity; 3. a bearing; 4. a lubrication chamber; 5. a transmission shaft; 6. a seal ring; 7. an annular groove; 8. a first oil reservoir; 9. an oil passage; 10. a first seal ring; 11. a second seal ring; 12. a limit stop; 13. a second oil storage tank; 14. a support base; 15. a mounting plate;

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.

In the description of the present utility model, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present utility model. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present utility model may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present utility model, the terms like "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and these orientation terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in the present utility model, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present utility model is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1

As shown in fig. 1 to 4, the embodiment discloses a bearing sealing structure of a horizontal sand mill, in a specific embodiment of the utility model, the bearing sealing structure comprises a bearing 3 seat 1, a transmission shaft 5 of the sand mill passes through the bearing 3 seat, and a lubrication cavity 4 is arranged in the bearing sealing structure; the installation cavity 2 is formed on two sides of the bearing 3 seat 1 for installing the bearings 3, two bearings 3 on the transmission shaft 5 are respectively arranged in a safety cavity, and the installation cavity 2 is communicated with the lubrication cavity 4; the sealing ring 6 is sleeved on the transmission shaft 5 and is connected with the bearing 3 seat 1 to seal the mounting cavity 2, and the sealing ring 6 is detachably connected with the bearing 3 seat 1; an annular groove 7 which is arranged on one side of the sealing ring 6 facing the mounting cavity 2; the first oil storage tank 8 is arranged on the inner wall of the annular groove 7, and the tank bottom of the first oil storage tank is communicated with the annular groove 7 through an oil passing channel 9;

the lubricating cavity is connected with an external cooling mechanism, lubricating oil is arranged in the lubricating cavity, an oil inlet is formed in the bearing seat, an oil outlet is formed in the bottom of the bearing seat, the oil inlet and the oil outlet are connected with the circulating cooling mechanism through oil pipes, and the lubricating oil is driven to flow circularly for cooling; the oil inlet and the oil outlet are respectively arranged at the top and the bottom of the bearing seat, and can also be arranged at the side part.

In the present embodiment, the annular grooves 7 are provided in plural and concentrically.

Through the technical scheme, the installation cavity is sealed through the arrangement of the sealing ring, the leakage of lubricating oil is avoided, the plurality of annular grooves are arranged, the oil thrown to the side part can be temporarily stored, the entering into a gap between the bearing seat and the sealing ring is avoided, the oil in the annular grooves can flow downwards and flow back to the installation cavity again, the leakage of the oil is reduced, meanwhile, the arrangement of the first oil storage groove is matched, when the oil permeates between the sealing ring and the transmission shaft, the oil enters the first oil storage groove and returns to the installation cavity again through the oil passing channel, the leakage of the oil is further avoided, and the lubricating and cooling effects are ensured; the oil return setting of the first oil storage tank of setting cooperation of ring channel has reduced the phenomenon of oil leak by a wide margin, has guaranteed lubricated effect.

In this embodiment, a first sealing ring 10 is disposed on a contact surface between the sealing ring 6 and the transmission shaft 5, and a second sealing ring 11 is disposed on a contact surface between the sealing ring 6 and the bearing 3 seat 1, so as to ensure a sealing effect of the sealing ring 6.

In this embodiment, a support base 14 connected to the sander is provided at the bottom of the bearing 3 seat 1, and the bearing 3 seat 1 is connected to the support base 14 through a mounting plate 15.

In this embodiment, the bearing 3 seat 1 includes an upper casing 101 and a lower casing 102, where the upper casing 101 and the lower casing 102 are in sealing connection and are configured as a detachable structure, and the two are configured as a bolt connection, so as to facilitate installation and detachment.

Example 2

The present embodiment provides a bearing 3 sealing structure of a horizontal sand mill, which has the following technical features in addition to the technical scheme including the above embodiment.

As shown in fig. 3, in this embodiment, the side of the sealing ring 6 facing the installation cavity 2 is further provided with a limit stop 12, the limit stop 12 is inserted into the installation cavity 2 and contacts with the inner wall of the installation cavity 2, and the limit stop 12 is inserted into the installation groove when the sealing ring 6 is installed, so as to play a guiding role, and the limit stop 12 extends into the installation groove, so that the leaked lubricating oil can be blocked, and the sealing effect is improved.

In this embodiment, still be provided with second oil storage tank 13 on the ring channel 7 inner wall, second oil storage tank 13 is located the one side that installation cavity 2 was kept away from to first oil storage tank 8, and the setting of second oil storage tank 13 is collected the fluid that further outwards leaked through first oil storage tank 8, further improves the leakproofness.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, in which the embodiments of the present utility model and features of the embodiments may be combined with each other without conflict, the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present utility model, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are protected by the present utility model.

Claims (7)

1. A bearing sealing structure of a horizontal sand mill is characterized in that: comprising

A bearing seat for the transmission shaft of the sand mill to pass through, and a lubrication cavity is arranged in the bearing seat;

the installation cavity is arranged on two sides of the bearing seat and is used for installing the bearings, two bearings on the transmission shaft are respectively arranged in a safety cavity, and the installation cavity is communicated with the lubrication cavity;

the sealing ring is sleeved on the transmission shaft, is connected with the bearing seat and is used for sealing the mounting cavity, and the sealing ring is detachably connected with the bearing seat;

the annular groove is formed in one side of the sealing ring, which faces the mounting cavity;

the first oil storage tank is arranged on the inner wall of the annular groove, and the tank bottom of the first oil storage tank is communicated with the annular groove through an oil channel.

2. The bearing seal structure of a horizontal sand mill according to claim 1, wherein: the annular grooves are arranged in a plurality of concentric manner.

3. The bearing seal structure of a horizontal sand mill according to claim 1, wherein: the contact surface of the sealing ring and the transmission shaft is provided with a first sealing ring, and the contact surface of the sealing ring and the bearing seat is provided with a second sealing ring.

4. The bearing seal structure of a horizontal sand mill according to claim 1, wherein: and a limit stop is further arranged on one side, facing the mounting cavity, of the sealing ring, and the limit stop is inserted into the mounting cavity and is contacted with the inner wall of the mounting cavity.

5. The bearing seal structure of a horizontal sand mill according to claim 1, wherein: the inner wall of the annular groove is also provided with a second oil storage groove, and the second oil storage groove is positioned on one side of the first oil storage groove away from the mounting cavity.

6. The bearing seal structure of a horizontal sand mill according to claim 1, wherein: the bearing pedestal bottom is provided with the support base of being connected with the sand mill, the bearing pedestal passes through the mounting panel and is connected with the support base.

7. The bearing seal structure of a horizontal sand mill according to claim 1, wherein: the bearing seat comprises an upper shell and a lower shell, and the upper shell is in sealing connection with the lower shell and is of a detachable structure.