Electric spindle bearing lubricating structure

Abstract

The utility model discloses an electric spindle bearing lubrication structure, which relates to the technical field of electric spindles and comprises a recovery base, a bearing seat is arranged in the recovery base, a lubrication mechanism is arranged in the bearing seat, and the lubrication mechanism lubricates the outer side of a bearing. And meanwhile, heat in the bearing rotating process is cooled, a recycling mechanism is arranged in the recycling base, the oil is purified after being lubricated by the recycling mechanism, and the oil is prevented from being recycled in the oil lubricating process. In the working process, the rolling bearing is lubricated, the lubricated waste oil flows into the recycling base and is sucked out through the liquid drainage through hole and the vacuum generator, and the device has the advantages of being simple in structure, easy to manufacture, practical and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spindles, in particular to an electric spindle bearing lubrication structure. Background Art

[0002] Proper lubrication is essential for the proper operation of the electric spindle. Common bearing lubrication methods for electric spindles include grease lubrication and oil lubrication. Oil-air lubrication involves the use of a small amount of lubricating oil without atomization, with compressed air used to propel the oil and cool the bearing. This separation of oil and air facilitates oil recovery.

[0003] Electric spindles are widely used in the machine tool industry. They offer advantages such as compact structure and high speed. However, bearing lubrication is crucial during operation. Therefore, it is particularly important to design an electric spindle bearing lubrication structure to solve the above problems. Summary of the Invention

[0004] The purpose of the utility model is to provide a motorized spindle bearing lubrication structure to solve the above-mentioned defects caused by the prior art.

[0005] A motorized spindle bearing lubrication structure includes a recovery base, a bearing seat is arranged inside the recovery base, a lubrication mechanism is arranged inside the bearing seat, the lubrication mechanism lubricates the outer side of the bearing and cools the heat generated during the rotation of the bearing, and a recovery mechanism is arranged inside the recovery base, the recovery mechanism purifies the oil after lubrication to avoid the need to recover the oil during the oil lubrication process.

[0006] Preferably, the lubrication mechanism includes a bearing seat, a rolling bearing, an oil storage tank, a liquid inlet pipe, a vacuum generator and a lubrication cavity. A rolling bearing is provided on the outside of the bearing seat, a lubrication cavity is opened inside the bearing seat, an oil storage tank is provided on one side of the bearing seat, the top of the oil storage tank is connected to one end of the liquid inlet pipe, the other end of the liquid inlet pipe is connected to the lubrication cavity, and the output end of the vacuum generator is connected to the top of the lubrication cavity.

[0007] Preferably, the top end of the vacuum generator is provided with an exhaust end.

[0008] Preferably, the bearing seat is connected to the rolling bearing via a lubrication cavity opened inside.

[0009] Preferably, the recovery mechanism includes an oil filter element, a drain pipe, a drain hole and a purification cavity. The input end of the oil filter element is connected to a bearing seat, the output end of the oil filter element is connected to the drain pipe, a drain hole is provided through the bottom end of the bearing seat, the drain hole is connected to the purification cavity, and the purification cavity is arranged inside the recovery base.

[0010] Preferably, the recovery base is connected to one end of the oil filter element through a purification cavity opened inside.

[0011] Preferably, fastening nuts are connected through the left and right sides of the recovery base.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. During operation, the rolling bearing is lubricated, and the lubricated waste oil flows into the inside of the recovery base and is sucked out through the drainage hole and the vacuum generator. This design has the advantages of simple structure, easy manufacturing, practicality and high efficiency. The lubricating oil in the rolling bearing is recovered through the bearing seat, and the heat in the oil is transferred outward through the bearing seat.

[0014] 2. Quickly discharge the high-temperature oil inside the bearing to dissipate heat from the bearing and improve heat dissipation efficiency. During use, the discharged oil is purified and recovered through the purification cavity to prevent impurities in the oil from settling inside the purification cavity. At the same time, the oil is recovered and the flowing oil is used to absorb heat and cool the surface of the rolling bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the front cross-section structure of the bearing seat in the present invention.

[0017] Figure 3 This is a schematic diagram of the top view of the recovery base in the utility model.

[0018] Figure 4 This is a side structural diagram of the bearing seat in the present invention.

[0019] in:

[0020] 1. Recovery base; 2. Oil filter element; 3. Drain pipe; 4. Lubrication mechanism; 5. Bearing seat; 6. Rolling bearing; 7. Oil storage tank; 8. Liquid inlet pipe; 9. Vacuum generator; 10. Fastening nut; 11. Lubrication chamber; 12. Drain hole; 13. Purification chamber; 14. Recovery mechanism; 15. Exhaust end. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 4As shown, an electric spindle bearing lubrication structure includes a recovery base 1, a bearing seat 5 is arranged inside the recovery base 1, a lubrication mechanism 4 is arranged inside the bearing seat 5, the lubrication mechanism 4 lubricates the outer side of the bearing and cools down the heat generated during the rotation of the bearing, and a recovery mechanism 14 is arranged inside the recovery base 1, and the recovery mechanism 14 purifies the oil after lubrication to avoid recycling the oil during the oil lubrication process.

[0023] In this embodiment, the lubrication mechanism 4 includes a bearing seat 5, a rolling bearing 6, an oil storage tank 7, a liquid inlet pipe 8, a vacuum generator 9 and a lubrication cavity 11. A rolling bearing 6 is provided on the outside of the bearing seat 5, and a lubrication cavity 11 is opened inside the bearing seat 5. An oil storage tank 7 is provided on one side of the bearing seat 5. The top of the oil storage tank 7 is connected to one end of the liquid inlet pipe 8, and the other end of the liquid inlet pipe 8 is connected to the lubrication cavity 11. The output end of the vacuum generator 9 is connected to the top of the lubrication cavity 11, and the oil is injected into the interior of the lubrication cavity 11 through the liquid inlet pipe 8 to circulate lubrication to the rolling bearing 6.

[0024] In this embodiment, an exhaust port 15 is provided at the top of the vacuum generator 9 , and the air inside the purification cavity 13 is discharged and vacuumed through the exhaust port 15 .

[0025] In this embodiment, the bearing seat 5 is connected to the rolling bearing 6 via a lubricating cavity 11 provided therein, and the lubricating cavity 11 cools and lubricates the surface of the rolling bearing 6 .

[0026] In this embodiment, the recovery mechanism 14 includes an oil filter element 2, a drain pipe 3, a drain hole 12 and a purification chamber 13. The input end of the oil filter element 2 is connected to the bearing seat 5, and the output end of the oil filter element 2 is connected to the drain pipe 3. The bottom end of the bearing seat 5 is penetrated by a drain hole 12, and the drain hole 12 is connected to the purification chamber 13. The purification chamber 13 is arranged inside the recovery base 1, and the impurities in the oil are filtered by the oil filter element 2 before being discharged for treatment.

[0027] In this embodiment, the recovery base 1 is connected to one end of the oil filter element 2 through the purification cavity 13 provided therein, and the recovered oil is cooled and impurity-removed by the recovery base 1 .

[0028] In this embodiment, fastening nuts 10 are connected through the left and right sides of the recovery base 1, and the recovery base 1 is positioned by the fastening nuts 10.

[0029] The practical application of this electric spindle bearing lubrication structure includes the following tasks:

[0030] Step 1: During use, the interior of the bearing seat 5 is vacuumed by the vacuum generator 9, and the oil in the oil storage tank 7 is injected into the lubrication cavity 11 through the liquid inlet pipe 8, and the rolling bearing 6 is lubricated with the oil. The interior of the lubrication cavity 11 is vacuumed by the vacuum generator 9, and the oil in the lubrication cavity 11 is injected into the purification cavity 13 through the drainage hole 12 provided at the bottom, and the oil is pressurized by the pressure generated by the vacuum.

[0031] Step 2: The impurities in the oil are filtered through the oil filter element 2 provided on one side of the recovery base 1, and the purified oil is discharged through the drain pipe 3. The oil is then directly injected into the interior of the oil storage tank 7 to complete the oil recovery process;

[0032] Step 3: During use, the recovered oil is detected and stored through the purification chamber 13, and the interior of the recovery base 1 is vacuumed through the vacuum generator 9, and is contacted with the ground through the fastening nuts 10 set on both sides. The interior of the recovery base 1 is locked by bolts, and the lubricated oil is directly discharged through the drainage hole 12.

[0033] Therefore, the embodiments disclosed above are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. An electric spindle bearing lubrication structure, characterized by: The invention comprises a recovery base (1), wherein a bearing seat (5) is provided inside the recovery base (1), and a lubricating mechanism (4) is provided inside the bearing seat (5). The lubricating mechanism (4) lubricates the outer side of the bearing and cools down the heat generated during the rotation of the bearing. The recovery base (1) is provided inside with a recovery mechanism (14), and the recovery mechanism (14) purifies the oil after lubrication, thereby avoiding the need to recover the oil during the lubrication process.

2. The electric spindle bearing lubrication structure according to claim 1, characterized in that: The lubricating mechanism (4) comprises a bearing seat (5), a rolling bearing (6), an oil storage tank (7), a liquid inlet pipe (8), a vacuum generator (9) and a lubricating cavity (11); a rolling bearing (6) is arranged on the outside of the bearing seat (5); a lubricating cavity (11) is provided inside the bearing seat (5); an oil storage tank (7) is arranged on one side of the bearing seat (5); the top end of the oil storage tank (7) is connected to one end of the liquid inlet pipe (8); the other end of the liquid inlet pipe (8) is connected to the lubricating cavity (11); and the output end of the vacuum generator (9) is connected to the top end of the lubricating cavity (11).

3. The electric spindle bearing lubrication structure according to claim 2, characterized in that: The top end of the vacuum generator (9) is provided with an exhaust port (15).

4. The electric spindle bearing lubrication structure according to claim 2, characterized in that: The bearing seat (5) is connected to the rolling bearing (6) via a lubrication cavity (11) provided inside.

5. The electric spindle bearing lubrication structure according to claim 1, characterized in that: The recovery mechanism (14) comprises an oil filter element (2), a drain pipe (3), a drain hole (12) and a purification chamber (13); the input end of the oil filter element (2) is connected to a bearing seat (5); the output end of the oil filter element (2) is connected to the drain pipe (3); a drain hole (12) is provided through the bottom end of the bearing seat (5); the drain hole (12) is connected to the purification chamber (13); and the purification chamber (13) is arranged inside the recovery base (1).

6. The electric spindle bearing lubrication structure according to claim 5, characterized in that: The recovery base (1) is connected to one end of the oil filter element (2) via a purification cavity (13) provided inside.

7. The electric spindle bearing lubrication structure according to claim 1, characterized in that: The left and right sides of the recovery base (1) are connected through fastening nuts (10).

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