CN210068765U

CN210068765U - Bearing lubricating mechanism of sand mill

Info

Publication number: CN210068765U
Application number: CN201920605121.7U
Authority: CN
Inventors: 王乐; 许新跃; 童伟
Original assignee: Zhejiang Ailingchuang Mining Industry Technology Co Ltd
Current assignee: Zhejiang Ailingchuang Mining Industry Technology Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-02-14
Anticipated expiration: 2029-04-29

Abstract

The utility model relates to a sand mill bearing lubrication mechanism for implementing thin oil lubrication, which comprises a bearing seat and a thin oil device, wherein the bearing seat comprises a base and a bearing shell, a circle of bearing spherical outer ring, a circle of ball and a bearing inner ring are sequentially arranged in the bearing shell from outside to inside; an oil filling hole is formed in the upper end of the bearing shell and penetrates through the bearing shell; an oil outlet is formed in the lower part of the bearing shell; the oil outlet end of the oil outlet pipe of the thin oil device is communicated with the oil filling hole, and the oil inlet end of the oil inlet pipe of the thin oil device is communicated with the outlet hole. The utility model discloses at the structural oilhole that increases a plurality of different functions of bearing frame, the circulation lubrication of thin oil is accomplished to cooperation thin oil device, makes lubricated effect of lubricating reach the maximize.

Description

Bearing lubricating mechanism of sand mill

Technical Field

The utility model belongs to the sand mill, concretely relates to implement thin oil lubrication's sand mill bearing lubrication mechanism.

Background

As the demand of domestic mines on the fine sand mill is increased, the equipment is inevitably large-sized, the model of the designed large-sized sand mill bearing is correspondingly enlarged, and meanwhile, the heat generated by the bearing in the high-speed running process is greatly increased. In order to achieve better cooling and lubrication of the bearing, a self-lubricating system at the bearing of the small sand mill cannot be applied, so that technical personnel of the unit provide a circulating lubricating system to solve the problems.

Disclosure of Invention

The utility model discloses a sand mill bearing lubrication mechanism for improving the lubricating performance of bearing, increased a plurality of oilholes of different functions on the bearing frame structure, cooperate the thin oil device, accomplish the circulating lubrication of thin oil, specifically, lubricating oil gets into the bearing from the oil filler point of bearing frame, has annular oil groove and a plurality of oilholes of evenly distributed in bearing sphere outer lane, lubricating oil gets into the bearing through this structure inside and carries out the lubrication cooling; the thin oil after lubrication is discharged from the oil outlet hole at the bottom under the action of a forced circulation system (motor drive) of the thin oil device, enters the thin oil device again, is cooled by the cooler and then returns to the bearing seat to continue lubrication and cooling, so that the lubrication effect is maximized.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a sand mill bearing lubrication mechanism, includes the bearing frame, with the thin oil device of bearing frame intercommunication, the bearing frame includes the base, by the bearing shell that has the cylinder through-hole that the base supported, sets gradually round bearing sphere outer lane, round ball, bearing inner race from outer to interior in the bearing shell, its characterized in that, the lateral wall of bearing sphere outer lane is provided with the annular oil groove of round indent, evenly is provided with a plurality of oilhole in the annular oil groove, and the oilhole extends to inside wall, oilhole from the lateral wall of bearing sphere outer lane and runs through bearing sphere outer lane.

An oil filling hole is formed in the upper end of the bearing shell, the oil filling hole extends from the outer side wall to the inner side wall of the bearing shell, and the oil filling hole penetrates through the bearing shell;

the bearing shell is characterized in that an oil outlet is formed in the lower portion of the bearing shell and is a cylindrical through hole, the axial direction of the oil outlet is consistent with the axial direction of the bearing seat, and the oil outlet extends outwards from the outer side wall of the spherical outer ring of the bearing and is exposed out of the front side face or the rear side face of the bearing shell.

The oil outlet end of the oil outlet pipe of the thin oil device is communicated with the oil filling hole, and the oil inlet end of the oil inlet pipe of the thin oil device is communicated with the oil outlet hole.

Preferably, the thin oil device comprises an oil tank for storing oil, a thin oil cooler, an oil pump motor set, an oil outlet pipe communicated with the oil tank, and an oil inlet pipe communicated with the thin oil cooler; an oil delivery pipe is connected between the oil tank and the oil pump motor set, and an oil delivery pipe is connected between the oil pump motor set and the thin oil cooler.

Preferably, the oil injection device comprises a left bearing seat, a right bearing seat and a thin oil device, wherein an oil outlet pipe of the thin oil device is communicated with the middle part of a double-end branch pipe, and two opening ends of the double-end branch pipe are respectively connected to an oil injection hole of the left bearing seat and an oil injection hole of the right bearing seat.

Preferably, the oil inlet pipe of the thin oil device is communicated with the middle part of a double-head branch pipe, and two opening ends of the double-head branch pipe are respectively connected to the oil outlet hole of the left bearing seat and the oil outlet hole of the right bearing seat.

To sum up, compared with the prior art, the utility model has the following advantages:

the bearing seat structure of the utility model is provided with an oil groove and a plurality of oil holes with different functions, thereby forming a circulating lubrication oil circuit; the utility model discloses cooperation thin oil device provides power drive, and the thin oil is by forced circulation and cooling, makes the cooling lubrication effect maximize.

Drawings

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

fig. 2 is a schematic structural view of the bearing of the present invention;

fig. 3 is a front view of the bearing housing of the present invention;

fig. 4 is a schematic view of the usage state of the present invention.

The reference numbers in the figures are: 1. a bearing seat; 11. a base; 12. a bearing housing; 13. a spherical outer ring of the bearing; 14. a ball bearing; 15. a bearing inner race; 16. an annular oil groove; 17. an oil hole; 18. an oil filler hole; 19. an oil outlet hole; 2. a thin oil device; 21. an oil outlet pipe; 22. an oil inlet pipe; 23. an oil tank; 24. a thin oil cooler; 25. an oil pump motor set; 26. an oil delivery pipe; 27. a double-ended branch pipe.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in figure 1, the bearing lubricating mechanism of the sand mill comprises a left bearing seat, a right bearing seat and a thin oil device, wherein the two bearing seats are arranged side by side, the bottom of each bearing seat is a horizontal base 11, a bearing shell 12 is fixed on the base 11, the bearing shell 12 is a hollow cylindrical annular shell, and a ring of annular spherical bearing outer ring 13, a ring of ball 14 and an annular bearing inner ring 15 are sequentially arranged in the bearing shell 12 from outside to inside.

The bearing shell 12 has a vertical oil filling hole 18 at the upper end, the oil filling hole 18 is a cylindrical through hole, the oil filling hole 18 extends downwards from the outer side wall to the inner side wall of the bearing shell 12, and the oil filling hole 18 penetrates through the bearing shell 12.

The lateral wall of bearing sphere outer lane 13 is provided with the annular oil groove 16 of the indent of round, evenly is provided with a plurality of oilholes 17 in the annular oil groove 16, and the quantity of oilhole 17 is 3 at least, and oilhole 17 is the cylinder through-hole and inwards extends to the inside wall along the diameter direction from the lateral wall of bearing sphere outer lane 13, and oilhole 17 runs through bearing sphere outer lane 13, then oil filler point 18, annular oil groove 16, oilhole 17 form the oil circuit.

The oil outlet hole 19 is formed in the lower portion of the bearing shell 12, the oil outlet hole 19 is a cylindrical through hole, the axial direction of the oil outlet hole 19 is consistent with the axial direction of the bearing seat 1, the oil outlet hole 19 extends outwards from the outer side wall of the spherical outer ring 13 of the bearing and is exposed on the front side face or the rear side face of the bearing shell 12, and then the oil inlet hole 18, the annular oil groove 16, the oil hole 17 and the oil outlet hole 19 form an oil path.

The thin oil device 2 mainly comprises an oil tank 23, a thin oil cooler 24, an oil pump motor set 25 and an oil delivery pipe 26, wherein thin oil is stored in the oil tank 23, the oil delivery pipe 26 is connected between the oil tank 23 and the oil pump motor set 25, and the oil delivery pipe 26 is connected between the oil pump motor set 25 and the thin oil cooler 24.

The thin oil cooler 24 is also communicated with an oil outlet pipe 21, the oil outlet end of the oil outlet pipe 21 is communicated with the middle part of a double-end branch pipe 27, and two opening ends of the double-end branch pipe 27 are respectively connected with the oil filling hole 18 of the left bearing seat 1 and the oil filling hole 18 of the right bearing seat 1; meanwhile, the oil tank 23 is further communicated with an oil inlet pipe 22, the oil inlet end of the oil inlet pipe 22 is communicated with the middle of a double-head branch pipe 27, and two open ends of the double-head branch pipe 27 are respectively connected to the oil outlet 19 of the left bearing seat 1 and the oil outlet 19 of the right bearing seat 1.

Oil circuit lubricated with thin oil: the oil tank, the thin oil cooler, the oil outlet pipe, the oil filling hole of the bearing seat, the annular oil groove of the spherical outer ring of the bearing, the oil hole of the spherical outer ring of the bearing, the bearing inner ring, the oil outlet hole of the bearing seat, the oil inlet pipe, the oil tank, the thin oil cooler, the oil outlet pipe and the oil filling hole of the bearing seat realize circulating lubrication and cooling.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A bearing lubricating mechanism of a sand mill comprises a bearing seat (1) and a thin oil device (2) communicated with the bearing seat, wherein the bearing seat comprises a base (11) and a bearing shell (12) which is supported by the base and provided with a cylindrical through hole, and a circle of spherical bearing outer ring (13), a circle of balls (14) and a bearing inner ring (15) are sequentially arranged in the bearing shell from outside to inside;

an oil filling hole (18) is formed in the upper end of the bearing shell, the oil filling hole extends from the outer side wall to the inner side wall of the bearing shell, and the oil filling hole penetrates through the bearing shell;

the bearing shell is characterized in that the lower part of the bearing shell is provided with an oil outlet (19), the oil outlet is a cylindrical through hole, the axial direction of the oil outlet is consistent with the axial direction of the bearing seat, and the oil outlet extends outwards from the outer side wall of the spherical outer ring of the bearing and is exposed out of the front side surface or the rear side surface of the bearing shell;

the oil outlet end of an oil outlet pipe (21) of the thin oil device is communicated with the oil filling hole, and the oil inlet end of an oil inlet pipe (22) of the thin oil device is communicated with the oil outlet hole.

2. The bearing lubrication mechanism of the sand mill as recited in claim 1, wherein the thin oil device comprises an oil tank (23) for storing oil, a thin oil cooler (24), an oil pump motor set (25), an oil outlet pipe communicated with the oil tank, and an oil inlet pipe communicated with the thin oil cooler; an oil delivery pipe (26) is connected between the oil tank and the oil pump motor set, and an oil delivery pipe is connected between the oil pump motor set and the thin oil cooler.

3. A bearing lubrication mechanism for a sand mill according to claim 2, characterized by comprising a left bearing seat, a right bearing seat, and a thin oil device (2), wherein the oil outlet pipe of the thin oil device is communicated with the middle part of a double-head branch pipe (27), and the two open ends of the double-head branch pipe are respectively connected with the oil filling hole of the left bearing seat and the oil filling hole of the right bearing seat.

4. The bearing lubrication mechanism of a sand mill as claimed in claim 3, wherein the oil inlet pipe of the thin oil device is communicated with the middle part of a double-head branch pipe, and the two open ends of the double-head branch pipe are respectively connected to the oil outlet hole of the left bearing seat and the oil outlet hole of the right bearing seat.