Fully-sealed self-lubricating vibration exciter for composite sieve

Abstract

The utility model discloses a compound sieve full-sealing self-lubricating vibration exciter which comprises a cylinder body, an upper end cover and a lower end cover are respectively fixed at the upper end and the lower end of the cylinder body through bolts, the cylinder body, the upper end cover and the lower end cover form a sealed lubricating cavity, and bearing seats are respectively fixed on the inner bottom surface and the inner top surface of the lubricating cavity. A main shaft is connected between the two bearing seats through bearings, the upper end of the main shaft penetrates through and extends to the upper end of the upper end cover, a balancing weight is fixed to the outer side of the main shaft and located in the middle of the interior of the barrel, and an upper bearing sealing cover sealed with the main shaft is arranged on the upper surface of the upper end cover. The composite sieve full-sealed self-lubricating vibration exciter has the advantages that the composite sieve full-sealed self-lubricating vibration exciter is simple in structure and easy and convenient to operate, dust can be prevented from entering the bearings, and the bearings are filled with oil after being sealed, so that the lubricating effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrators, in particular to a fully sealed self-lubricating vibrator for a composite screen. Background Art

[0002] The existing composite screen vibrator is equipped with a set of bearings in the vibrator shell, the shaft heads at both ends of the shaft are fixed on the box body respectively, the passive pulley and the eccentric counterweight are fixed on the vibrator shell, the passive pulley can drive the vibrator shell to rotate, and the vibrator shell drives the eccentric counterweight to rotate; dust can easily enter the inside of the bearing during use, and long-term operation will cause serious wear of the bearing, which shortens the service life and cannot meet people's needs. Utility Model Content

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a composite screen fully sealed self-lubricating vibrator with a simple structure and easy operation. It can not only prevent dust from entering the inside of the bearing, but also fill the bearing with oil after sealing to achieve better lubrication effect, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fully sealed self-lubricating vibrator for a composite screen, comprising a cylinder, wherein the upper and lower ends of the cylinder are respectively fixed with an upper end cover and a lower end cover by bolts, and the cylinder, the upper end cover and the lower end cover form a sealed lubrication cavity, and the inner bottom and top surfaces of the lubrication cavity are fixed with bearing seats, and a main shaft is connected between the two bearing seats through a bearing, and the upper end of the main shaft passes through and extends to the upper end of the upper end cover, and a counterweight is fixed to the outside of the main shaft, and the counterweight is located in the middle of the interior of the cylinder, and the upper surface of the upper end cover is provided with an upper bearing sealing cover sealed with the main shaft, and the upper bearing sealing cover is provided with an oil filling port connected to the interior of the lubrication cavity, and the lower surface of the lower end cover is fixed with an oil collecting chamber, and the lower end outlet of the oil collecting chamber is connected to the oil filling port on the lower end cover through an oil pumping device.

[0005] Furthermore, mounting seats are evenly welded on the outer side of the cylinder, and mounting lugs are provided on the mounting seats. The device can be installed through the mounting seats, making installation more convenient.

[0006] Furthermore, a thrust ball bearing is provided between the lower end of the main shaft and the bottom surface of the bearing seat. An oil outlet hole is provided on the lower bearing seat, and the oil outlet hole is connected to the oil collecting chamber. The main shaft can be supported by the thrust ball bearing, making the operation smoother.

[0007] Furthermore, the oil extraction device includes an oil filter cup and an oil pump. The inlet of the oil filter cup is connected to the oil outlet of the oil collecting chamber through a conduit, the inlet of the oil pump is connected to the outlet of the oil filter cup through a conduit, and the outlet of the oil pump is connected to the oil filling port of the upper bearing sealing cover through a conduit. The oil leaked from the lubrication cavity can be collected through the oil collecting chamber. When the oil pump is working, the oil inside the oil collecting chamber first enters the inside of the oil filter cup, and the oil can be filtered through the oil filter cup. The filtered oil is extracted into the lubrication cavity by the oil pump. When extracting oil, the oil first enters the inside of the upper bearing, and the oil inside the lubrication cavity passes through the lower bearing and enters the inside of the oil collecting chamber, thereby completing the cycle.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows: the main shaft can be supported by the thrust ball bearing, making the operation smoother, and the oil leaked from the lubrication cavity can be collected through the oil collecting chamber. When the oil pump is working, the oil inside the oil collecting chamber first enters the inside of the filter oil cup, and the oil can be filtered through the filter oil cup. The filtered oil is pumped into the lubrication cavity through the oil pump. When the oil is pumped, the oil first enters the inside of the upper bearing, and the oil inside the lubrication cavity passes through the lower bearing and enters the inside of the oil collecting chamber, thereby completing the cycle. The composite screen fully sealed self-lubricating vibrator has a simple structure and is easy to operate. It can not only prevent dust from entering the inside of the bearing, but also fill the bearing with oil after sealing to achieve better lubrication effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic structural diagram of the utility model.

[0010] In the figure: 1 cylinder, 2 upper end cover, 3 lower end cover, 4 bearing seat, 5 main shaft, 6 upper bearing sealing cover, 7 oil collecting chamber, 8 oil extraction device, 81 oil filter cup, 82 oil pump, 9 counterweight, 10 mounting seat, 11 thrust ball bearing. DETAILED DESCRIPTION

[0011] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0012] See also Figure 1The utility model provides a technical solution: a fully sealed self-lubricating vibrator for a composite screen, comprising a cylinder 1, wherein the upper end and the lower end of the cylinder 1 are respectively fixed with an upper end cover 2 and a lower end cover 3 by bolts. The cylinder 1, the upper end cover 2 and the lower end cover 3 form a sealed lubrication chamber, and the inner bottom and top surfaces of the lubrication chamber are fixed with bearing seats 4. A main shaft 5 is connected between the two bearing seats 4 through a bearing. The upper end of the main shaft 5 passes through and extends to the upper end of the upper end cover 2. A counterweight block 9 is fixed to the outside of the main shaft 5, and the counterweight block 9 is located in the middle of the inner part of the cylinder 1. The upper surface of the upper end cover 2 is provided with an upper bearing sealing cover 6 that is sealed with the main shaft 5, and the upper bearing sealing cover 6 is provided with an oil filling port connected to the inside of the lubrication chamber. The lower surface of the lower end cover 3 is fixed with an oil collecting chamber 7, and the lower end outlet of the oil collecting chamber 7 is connected to the oil filling port on the lower end cover 3 through an oil pumping device 8. The outer side of the cylinder 1 is evenly welded with a mounting seat 10, and a mounting ear plate is provided on the mounting seat 10. The device can be installed through the mounting seat 10, making installation more convenient. A thrust ball bearing 1 is provided between the lower end of the main shaft 5 and the bottom surface of the bearing seat 4. 1, an oil outlet hole is provided on the bearing seat 4 below, which is connected to the oil collecting chamber 7. The main shaft 5 can be supported by the thrust ball bearing 11, making the operation smoother. The oil extraction device 8 includes an oil filter cup 81 and an oil pump 82. The inlet of the oil filter cup 81 is connected to the oil outlet of the oil collecting chamber 7 through a conduit. The inlet of the oil pump 82 is connected to the outlet of the oil filter cup 81 through a conduit. The outlet of the oil pump 82 is connected to the oil filling port of the upper bearing sealing cover 6 through a conduit. The oil leaked from the lubrication cavity can be collected through the oil collecting chamber 7. When 82 is working, the oil inside the oil collecting chamber 7 first enters the inside of the filter oil cup 81, and the oil can be filtered through the filter oil cup 81. The filtered oil is pumped into the lubrication cavity through the oil pump 82. When the oil is extracted, the oil first enters the inside of the upper bearing, and the oil inside the lubrication cavity passes through the lower bearing and enters the inside of the oil collecting chamber 7, thereby completing the cycle. The composite screen fully sealed self-lubricating vibrator has a simple structure and is easy to operate. It can not only prevent dust from entering the inside of the bearing, but also fill the bearing with oil after sealing to achieve better lubrication effect.

[0013] During use: the main shaft 5 can be supported by the thrust ball bearing 11, making the operation smoother, and the oil leaked from the lubrication cavity can be collected through the oil collecting chamber 7. When the oil pump 82 is working, the oil inside the oil collecting chamber 7 first enters the filter oil cup 81, and the oil can be filtered through the filter oil cup 81. The filtered oil is extracted into the lubrication cavity through the oil pump 82. When the oil is extracted, the oil first enters the upper bearing, and the oil inside the lubrication cavity passes through the lower bearing and enters the oil collecting chamber 7, thereby completing the cycle.

[0014] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A fully sealed self-lubricating vibrator for a composite screen, comprising a cylinder (1), characterized in that: The upper end and lower end of the cylinder (1) are respectively fixed with an upper end cover (2) and a lower end cover (3) by bolts. The cylinder (1), the upper end cover (2) and the lower end cover (3) form a sealed lubrication cavity. The inner bottom surface and the top surface of the lubrication cavity are fixed with bearing seats (4). A main shaft (5) is connected between the two bearing seats (4) via a bearing. The upper end of the main shaft (5) passes through and extends to the upper end of the upper end cover (2). A counterweight (9) is fixed on the outer side of the main shaft (5). The counterweight (9) is located in the middle of the cylinder (1). The upper surface of the upper end cover (2) is provided with an upper bearing sealing cover (6) sealed with the main shaft (5), and the upper bearing sealing cover (6) is provided with an oil filling port connected to the inside of the lubrication cavity. The lower surface of the lower end cover (3) is fixed with an oil collecting chamber (7). The lower end outlet of the oil collecting chamber (7) is connected to the oil filling port on the lower end cover (3) through an oil pumping device (8).

2. The fully sealed self-lubricating vibrator for a composite screen according to claim 1 is characterized in that: A mounting seat (10) is uniformly welded to the outer side of the cylinder (1), and a mounting ear plate is provided on the mounting seat (10).

3. The fully sealed self-lubricating vibrator for a composite screen according to claim 1 is characterized in that: A thrust ball bearing (11) is provided between the lower end of the main shaft (5) and the bottom surface of the bearing seat (4), and an oil outlet hole is provided on the lower bearing seat (4), and the oil outlet hole is communicated with the oil collecting chamber (7).

4. The fully sealed self-lubricating vibrator for a composite screen according to claim 1 is characterized in that: The oil pumping device (8) comprises an oil filter cup (81) and an oil pump (82); the inlet of the oil filter cup (81) is connected to the oil outlet of the oil collecting chamber (7) via a conduit; the inlet of the oil pump (82) is connected to the outlet of the oil filter cup (81) via a conduit; and the outlet of the oil pump (82) is connected to the oil filling port of the upper bearing sealing cover (6) via a conduit.

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