CN220460110U - Bearing grease filter equipment - Google Patents

Abstract

The utility model belongs to the technical field of grease filtration, in particular to a bearing grease filtration device which comprises a grease inlet pipe and a rotating shell, wherein the rotating shell is sequentially separated from inside to outside by a central separation chamber, a middle protection chamber and an outer layer filtration chamber; the inlet pipe is communicated with the central separation chamber; a hollow pipe is arranged in the middle protection chamber, one end of the hollow pipe is communicated with the central separation chamber, the other end of the hollow pipe faces the outer filtering chamber, and a plurality of hollow pipes are arranged along the circumferential direction of the central separation chamber; the middle protection chamber and the outer layer filter chamber are separated by a centrifugal filter screen. The central separation chamber, the middle protection chamber and the outer filter chamber are separated through the rotating shell, the hollow pipe is driven to rotate to generate a low-pressure area at the outer end, grease in the hollow pipe and the central separation chamber is pumped out for centrifugal filtration, grease is not easy to form a lump and adhere, the flowing effect of the grease is enhanced, and the filtration rate is improved.

Description

Bearing grease filter equipment

Technical Field

The utility model belongs to the technical field of grease filtration, and particularly relates to a bearing grease filtration device.

Background

In the bearing lubrication process of mechanical equipment, grease is an important lubricant, so that the grease is kept clean and clear, has a good lubrication effect, and is vital to the normal operation of the equipment. Lubricating grease is contaminated with various contaminants such as dust, metal particles, waste materials, moisture, etc. during use, and aged, deteriorated grease, which can reduce the lubricating effect of the bearing and may even cause damage to the bearing, so that it is generally filtered and purified.

In the prior art, the grease after being used for a period of time is filtered, and the centrifugal filtering mode is also suitable for grease filtration, and compared with extrusion type filtration, the filtration effect is good, and the impurity residue is less; however, the fluidity of the grease is poor, and the grease is easy to adhere to the surface or form a lump during separation, and is difficult to be thrown out and filtered, so that the filtering efficiency is not ideal all the time, and the filtering speed is low.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a bearing grease filtering device. According to the utility model, the central separation chamber, the middle protection chamber and the outer filter chamber are separated through the rotating shell, the hollow pipe is driven to rotate to generate a low-pressure area at the outer end, grease in the hollow pipe and the central separation chamber is pumped out for centrifugal filtration, so that the grease flowing effect is enhanced, and the filtration rate is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the bearing grease filtering device comprises a grease inlet pipe and a rotating shell, wherein the rotating shell is sequentially separated from inside to outside by a central separation chamber, a middle protection chamber and an outer filtering chamber; the inlet pipe is communicated with the central separation chamber; a hollow pipe is arranged in the middle protection chamber, one end of the hollow pipe is communicated with the central separation chamber, and the other end of the hollow pipe faces the outer filtering chamber; the middle protection chamber and the outer layer filter chamber are separated by a centrifugal filter screen.

Preferably, the hollow tube is provided in plurality along the circumference of the central separation chamber.

Preferably, the centrifugal filter screen is a multi-layer filter paper or filter cloth.

Preferably, the inlet pipe is connected with the central separation chamber through a rotary connector, the rotary connector comprises an upper connecting pipe and a lower connecting pipe which are connected in a sealing rotary manner, the upper connecting pipe is connected with the inlet pipe, and the lower connecting pipe is connected with the central separation chamber.

Preferably, the rotating shell is driven to rotate by a driving mechanism, and the driving mechanism comprises a belt wheel arranged on the rotating shell, and the belt wheel is connected with the servo motor by a belt.

Preferably, an auxiliary filtering mechanism is further arranged in the middle protection chamber, the auxiliary filtering mechanism comprises a connecting rod and a pressing wheel, one end of the connecting rod is connected with the central separation chamber, the other end of the connecting rod is rotatably connected with the pressing wheel, and the pressing wheel abuts against the centrifugal filter screen.

Preferably, two sides of the front end of the pressing wheel are also provided with collecting plates.

Compared with the prior art, the utility model has the advantages and positive effects that:

(1) The central separation chamber, the middle protection chamber and the outer filter chamber are separated through the rotating shell, the hollow pipe is driven to rotate to generate a low-pressure area at the outer end, grease in the hollow pipe and the central separation chamber is pumped out for centrifugal filtration, grease is not easy to form a lump and adhere, the flowing effect of the grease is enhanced, and the filtration rate is improved.

(2) The centrifugal filter screen is multi-layer filter paper or filter cloth, has good filtering effect, can be detached and replaced after being blocked, and is convenient and simple.

(3) The inlet pipe is connected with the central separation chamber through a rotary connector, so that the relative rotation of the inlet pipe and the central separation chamber is realized.

(4) The rotating shell is driven to rotate through the driving mechanism, so that centrifugal filtration of grease is realized.

(5) The connecting rod rotates along with the central separation chamber to drive the pinch roller to rotate on the centrifugal filter screen, grease is extruded and filtered, and the gathering plates on the two sides concentrate the grease inwards, so that the pinch roller is convenient to extrude, and the filtering effect is improved.

Drawings

FIG. 1 is a schematic side cross-sectional view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a rotary fluid communication device;

fig. 3 is a schematic perspective view of a partial structure of the present utility model.

Reference numerals illustrate:

1-feeding a pipe;

2-rotating shell, 21-central separating chamber, 22-middle protecting chamber and 23-outer filtering chamber;

3-hollow tubes;

4-a centrifugal filter screen;

5-rotating the communicating vessel, 51-upper connecting pipe and 52-lower connecting pipe;

6-driving mechanism, 61-belt wheel, 62-belt and 63-servo motor;

7-auxiliary filtering mechanism, 71-connecting rod, 72-pressing wheel and 73-collecting plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Examples

A bearing grease filtering device according to an embodiment will be described with reference to fig. 1 to 3, and as shown in fig. 1 and 3, the bearing grease filtering device includes a grease inlet pipe 1 and a rotary casing 2, wherein the rotary casing 2 is sequentially divided into a central separation chamber 21, an intermediate protection chamber 22 and an outer layer filtering chamber 23 from inside to outside; the inlet pipe 1 is communicated with the central separation chamber 21; a hollow pipe 3 is arranged in the middle protection chamber 22, one end of the hollow pipe 3 is communicated with the central separation chamber 21, the other end faces the outer layer filtering chamber 23, and a plurality of hollow pipes 3 are arranged along the circumference of the central separation chamber 21; the intermediate protection chamber 22 and the outer filter chamber 23 are separated by a centrifugal filter screen 4.

The used grease with impurities enters the central separation chamber 21 from the inlet pipe 1, the rotary shell 2 rotates the hollow pipe 3 in the middle protection chamber 22 to rotate along with the central separation chamber, a low-pressure area is formed at one end of the hollow pipe 3 facing the outer filtering chamber 23, the grease in the hollow pipe 3 is pumped out, the grease in the central separation chamber 21 is filled into the hollow pipe 3, the pumped grease acts on the centrifugal filtering net 4, and the filtered grease enters the outer filtering chamber 23; the central separation chamber 21, the middle protection chamber 22 and the outer layer filter chamber 23 are separated through the rotary shell 2, the hollow tube 3 is driven to rotate to generate a low-pressure area at the outer end, grease in the hollow tube 3 and the central separation chamber 21 is pumped out for centrifugal filtration, grease is not easy to form a lump and adhere, the flowing effect of the grease is enhanced, and the filtration rate is improved.

The centrifugal filter screen 4 is a plurality of layers of filter paper or filter cloth, has good filtering effect, can be detached and replaced after being blocked, and is convenient and simple.

As shown in fig. 1 and 2, the inlet pipe 1 is connected with the central separation chamber 21 through a rotary communicating vessel 5, the rotary communicating vessel 5 comprises an upper connecting pipe 51 and a lower connecting pipe 52 which are connected in a sealing and rotary manner, the upper connecting pipe 51 is connected with the inlet pipe 1, and the lower connecting pipe 52 is connected with the central separation chamber 21, so that the relative rotation of the inlet pipe 1 and the central separation chamber 21 is realized.

As shown in fig. 1, the rotary shell 2 is driven to rotate by a driving mechanism 6, the driving mechanism 6 comprises a belt wheel 61 installed on the rotary shell 2, and the belt wheel 61 is connected with a servo motor 63 through a belt 62 for driving the rotary shell 2 to rotate so as to centrifugally filter grease.

As shown in fig. 3, an auxiliary filtering mechanism 7 is further disposed in the middle protection chamber 22, the auxiliary filtering mechanism 7 includes a connecting rod 71 and a pressing wheel 72, one end of the connecting rod 71 is connected with the central separation chamber 21, the other end is rotationally connected with the pressing wheel 72, the pressing wheel 72 abuts against the centrifugal filter screen 4, and two sides of the front end of the pressing wheel 72 are further provided with collecting plates 73.

The connecting rod 71 rotates along with the central separation chamber 21 to drive the pinch roller 72 to rotate on the centrifugal filter screen 4 to squeeze and filter grease, and the collecting plates 73 on two sides concentrate the grease inwards so as to facilitate the extrusion of the pinch roller 72, thereby improving the filtering effect.

In the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. refer to the orientation or positional relationship based on that shown in the drawings, and are merely for the purpose of describing the present utility model and do not require that the present utility model must be constructed or operated in a specific orientation, and thus should not be construed as limiting the present utility model. "connected" and "connected" in the present utility model are to be understood broadly, and may be, for example, connected or detachably connected; the connection may be direct or indirect through intermediate members, and the specific meaning of the terms may be understood in detail by those skilled in the art.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present utility model are still within the protection scope of the technical solution of the present utility model.

Claims (7)

1. The bearing grease filtering device is characterized by comprising a grease inlet pipe (1) and a rotating shell (2), wherein the rotating shell (2) is sequentially separated from inside to outside by a central separation chamber (21), a middle protection chamber (22) and an outer layer filtering chamber (23); the inlet pipe (1) is communicated with the central separation chamber (21);

a hollow pipe (3) is arranged in the middle protection chamber (22), one end of the hollow pipe (3) is communicated with the central separation chamber (21), and the other end of the hollow pipe faces the outer layer filtering chamber (23); the middle protection chamber (22) and the outer layer filtering chamber (23) are separated by a centrifugal filter screen (4).

2. A bearing grease filter device according to claim 1, characterised in that the hollow tube (3) is provided with a plurality along the circumference of the central separation chamber (21).

3. A bearing grease filter device according to claim 1, characterised in that the centrifugal filter screen (4) is a multi-layer filter paper or filter cloth.

4. A bearing grease filtering device according to claim 1, characterised in that the inlet pipe (1) is connected with the central separation chamber (21) by means of a rotary communicator (5), the rotary communicator (5) comprising an upper connecting pipe (51) and a lower connecting pipe (52) in sealed rotary connection, the upper connecting pipe (51) being connected with the inlet pipe (1), the lower connecting pipe (52) being connected with the central separation chamber (21).

5. A bearing grease filter device according to claim 4, characterised in that the rotor (2) is driven in rotation by a drive mechanism (6), the drive mechanism (6) comprising a pulley (61) mounted on the rotor (2), the pulley (61) being connected to a servo motor (63) by a belt (62).

6. The bearing grease filtering device according to claim 1, wherein an auxiliary filtering mechanism (7) is further arranged in the middle protection chamber (22), the auxiliary filtering mechanism (7) comprises a connecting rod (71) and a pressing wheel (72), one end of the connecting rod (71) is connected with the central separation chamber (21), the other end of the connecting rod is rotatably connected with the pressing wheel (72), and the pressing wheel (72) is propped against the centrifugal filter screen (4).

7. The bearing grease filtering device according to claim 6, wherein the two sides of the front end of the pressing wheel (72) are further provided with collecting plates (73).