Oil leakage prevention device for main bearing of powder concentrator of vertical mill

Abstract

The utility model discloses an oil leakage prevention device for a main bearing of a vertical mill powder concentrator, which relates to the technical field of vertical mill powder concentrators and comprises a main shaft body, the bottom of the main shaft body is fixedly connected with a bearing bottom, the outer wall of the bearing bottom is sleeved with a bearing seat, the bottom of the bearing seat is movably connected with a bottom box, the outer wall of the bottom box is connected with a connecting pipe in an inserted manner, and the connecting pipe is connected with the main shaft body. The outer wall of the connecting pipe is sleeved with a shut-off valve, the bottom of the bottom box is connected with a draw-off pump in a penetrating mode, and one side of the draw-off pump is movably connected with a recycling mechanism. The oil absorption layer is arranged on the inner wall of the bearing seat and wraps a bearing to reduce downward leakage of oil stains, the conical hopper is fixedly connected to the middle of the top of the bottom box, leaked oil just drips on the upper surface of the conical hopper and flows into the leakage groove on the outer side, and the oil collected by the collection layer is discharged from the discharge end by starting the draw-off pump to operate. And the inside of the discharge end is connected with a conveying pipe, so that the device conveys the filtered oil again to the top of the bearing bottom.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical mill powder separators, in particular to an oil leakage prevention device for a main bearing of a vertical mill powder separator. Background Art

[0002] A powder classifier is an essential and critical piece of equipment in vertical mill grinding. Installed above the mill, its primary function is to convey the ground powder product to the classifier via air, separating the product that meets the specific gravity (or fineness) requirements while returning unqualified powder to the mill for further grinding. Vertical mill classifiers are crucial equipment for the building materials industry and are also used in many other sectors, including the food, pharmaceutical, and chemical industries. The quality, performance, cost, and service life of a vertical mill classifier are crucial in industrial production. Existing vertical mill classifiers often experience oil leakage from the lower spindle bearing. The typical solution is to tighten the connecting bolts at the leaking area. However, this approach does not address the root cause, resulting in ineffective results and recurring oil leaks.

[0003] The existing technology has the following problems:

[0004] 1. The existing vertical mill powder separator main bearing oil leakage prevention device does not have a loading device at the bottom, causing the bearing oil to drip directly onto the ground, polluting the operating space. At the same time, the lack of oil in the bearing will also make it more prone to rust, making the device less flexible to use.

[0005] 2. The existing vertical mill powder separator main bearing anti-leakage device only installs a collection device at the bottom for collection. This treatment method cannot solve the problem. There is always oil leakage at the bottom and oil shortage on the upper part of the bearing. It cannot recycle resources, resulting in waste of resources and rusting of bearings. Summary of the Invention

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A vertical mill powder separator main bearing oil leakage prevention device comprises a main shaft body, the bottom of the main shaft body is fixedly connected to a bearing bottom, the outer wall of the bearing bottom is sleeved with a bearing seat, the top of the bearing seat is movably connected to a cover, the top of the cover is threadedly plugged with a connecting nut, the bottom of the bearing seat is movably connected to a bottom box, the outer wall of the bottom box is plugged with a connecting pipe, the outer wall of the connecting pipe is sleeved with a closing valve, the bottom of the bottom box is penetrated by an extraction pump, and one side of the extraction pump is movably connected to a recovery mechanism.

[0008] A further improvement of the technical solution of the present utility model is that an oil-absorbing layer is fixedly connected to the inner wall of the bearing seat, a leakage hole is opened in the middle of the bottom of the bearing seat, a slot is opened at the bottom of the bearing seat, and the oil-absorbing layer protects the outer wall of the bearing bottom.

[0009] A further improvement of the technical solution of the present utility model is that: a connecting ring is fixedly connected to the top of the bottom box, a conical bucket is fixedly connected to the middle of the interior of the bottom box, leakage grooves are provided around the outer wall of the conical bucket, a partition layer is provided at the bottom of the leakage groove, a leakage net is fixedly connected to the bottom of the partition layer, and a collection layer is provided at the lower part of the interior of the bottom box.

[0010] A further improvement of the technical solution of the present utility model is that: the leakage net is installed above the collection layer, and one end of the connecting pipe passes through the interior of the partition layer.

[0011] A further improvement of the technical solution of the present utility model is that the extraction pump includes a pump body, an inlet end is provided on the top of the pump body, the inlet end is installed inside the collection layer, and a discharge end is fixedly connected to one side of the outer wall of the pump body, and the discharge end is installed below the bottom box.

[0012] A further improvement of the technical solution of the present utility model is that the recovery mechanism includes a delivery pipe, the middle part of the delivery pipe is movably connected with a fixing buckle, one end of the fixing buckle is fixedly connected with a connecting block, one end of the delivery pipe is movably connected with a nozzle, and the outer wall of the nozzle is provided with multiple groups of spray holes.

[0013] A further improvement of the technical solution of the present invention is that one side of the connecting block is fixedly mounted on the outer wall of the bearing seat, the delivery pipe is movably connected to the discharge end, and the nozzle passes through the inside of the cover and is mounted on the top of the bearing bottom.

[0014] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0015] The utility model provides an oil leakage prevention device for the main bearing of a vertical mill powder classifier. The inner wall of the bearing seat is provided with an oil absorption layer. The oil stains secreted by the bearing can be partially absorbed into the interior of the layer, and then the bearing is wrapped, so that the excess oil always infiltrates the bearing and reduces the oil stains from dripping downwards. A conical bucket is fixedly connected to the top middle part of the bottom box, and the conical bucket is installed below the leakage hole. The leaked oil just drips onto its upper surface. At the same time, the conical bucket is inclined, and the leaked oil flows into the inside of the leakage groove on the outside, and then drips downwards into the inside of the partition layer. A leakage net is installed at the bottom of the partition layer. The leakage net separates the material and oil, filters the collected oil, and processes the leaked oil, which is convenient for the next operation of the device and makes the device more convenient to use.

[0016] The utility model provides an oil leakage prevention device for the main bearing of a vertical mill powder classifier. The inlet end of the extraction pump is installed inside the collection layer. By starting the extraction pump, the oil collected in the collection layer is discharged from the discharge end. The interior of the discharge end is connected to a delivery pipe, so that the device re-delivers the filtered oil to the top of the bearing bottom to lubricate the bearing bottom and prevents the oil at the bottom from overflowing and dripping onto the ground, so that the device can be recycled and resources are saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the main bearing oil leakage prevention device of the vertical mill powder separator of the present utility model;

[0018] Figure 2 This is a structural diagram of the bearing seat of the utility model;

[0019] Figure 3 This is a structural diagram of the bottom box of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the recovery mechanism of the present utility model.

[0021] In the figure: 1. Spindle body; 2. Bearing bottom; 3. Bearing seat; 4. Cover; 5. Bottom box; 6. Connecting pipe; 7. Extraction pump; 8. Recovery mechanism; 9. Shut-off valve; 10. Connecting nut; 31. Oil absorption layer; 32. Leakage hole; 33. Slot; 51. Connecting snap ring; 52. Leakage groove; 53. Partition layer; 54. Leakage net; 55. Collection layer; 56. Conical bucket; 71. Pump body; 72. Inlet end; 73. Discharge end; 81. Delivery pipe; 82. Nozzle; 83. Spray hole; 84. Connecting block; 85. Fixing buckle. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below with reference to the embodiments: Example 1

[0023] like Figure 1-4 As shown, the utility model provides an oil leakage prevention device for the main bearing of a vertical mill powder classifier, comprising a main shaft body 1, the bottom of the main shaft body 1 is fixedly connected to a bearing bottom 2, the outer wall of the bearing bottom 2 is sleeved with a bearing seat 3, the top of the bearing seat 3 is movably connected to a cover 4, the top of the cover 4 is threadedly plugged with a connecting nut 10, the bottom of the bearing seat 3 is movably connected to a bottom box 5, the outer wall of the bottom box 5 is plugged with a connecting pipe 6, the outer wall of the connecting pipe 6 is sleeved with a closing valve 9, the bottom of the bottom box 5 is penetrated by an extraction pump 7, and one side of the extraction pump 7 is movably connected to a recovery mechanism 8.

[0024] In this embodiment, the joint action of the bearing bottom 2, the bearing seat 3 and the bottom box 5 can make the device more convenient to use. The bearing bottom 2 is installed on the bottom of the main shaft body 1, and then the outer wall of the bearing bottom 2 is wrapped by the bearing seat 3, so that the bearing bottom 2 is protected and dust pollution is reduced. The bottom of the bearing seat 3 is connected to the bottom box 5, and the bottom box 5 is installed on the bottom. It can be disassembled and can also support the bottom, so that the oil of the bearing drips with the loaded objects, making the device easy to use and preventing the bearing oil from dripping. Example 2

[0025] like Figure 1-4 As shown, based on Example 1, the utility model provides a technical solution: preferably, the inner wall of the bearing seat 3 is fixedly connected with an oil absorption layer 31, a leakage hole 32 is opened in the middle of the bottom of the bearing seat 3, and a card groove 33 is opened at the bottom of the bearing seat 3, and the oil absorption layer 31 protects the outer wall of the bearing bottom 2.

[0026] In this embodiment, the device can be made more convenient to use through the joint action of the bearing seat 3 and the bottom box 5. A leakage hole 32 is provided at the bottom of the bearing seat 3, which can allow the oil in the internal main shaft body 1 and the bearing bottom 2 to directly enter the interior of the bottom box 5 at the bottom. In order to be tightly connected to the bearing seat 3, the bottom box 5 is provided with a raised connecting ring 51 on the top that is inserted into the interior of the card groove 33, making the device easy to connect and use. The inner wall of the bearing seat 3 is provided with an oil-absorbing layer 31, and the oil secreted by the bearing can be partially absorbed into it, and then the bearing is wrapped, so that the excess oil always soaks the bearing and reduces the oil dripping downward. Example 3

[0027] like Figure 1-4 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a connecting ring 51 is fixedly connected to the top of the bottom box 5, a conical bucket 56 is fixedly connected to the middle of the interior of the bottom box 5, a leakage groove 52 is provided around the outer wall of the conical bucket 56, a partition layer 53 is provided at the bottom of the leakage groove 52, a leakage net 54 is fixedly connected to the bottom of the partition layer 53, and a collection layer 55 is provided at the lower part of the interior of the bottom box 5.

[0028] The leakage net 54 is installed above the collection layer 55 , and one end of the connecting pipe 6 passes through the interior of the partition layer 53 .

[0029] In this embodiment, the device can be made more convenient to use through the joint action of the bottom box 5 and the conical bucket 56. The conical bucket 56 is fixedly connected to the top middle part of the bottom box 5. The conical bucket 56 is installed below the leakage hole 32, and the leaked oil just drips on its upper surface. At the same time, the conical bucket 56 is inclined, and the leaked oil flows into the inside of the leakage groove 52 on the outside, and then drips down to the inside of the partition layer 53. The leakage net 54 is installed at the bottom of the partition layer 53. The leakage net 54 separates the material and oil, filters the collected oil, and the residue remains in the inside of the partition layer 53. The two ends of the partition layer 53 pass through the connecting pipe 6. Opening the shut-off valve 9 installed on the connecting pipe 6 can discharge the residue, and the internal accumulation can be cleared by inserting a soft long rod into the inside. The filtered oil is collected in the collection layer 55, making the device more convenient to use. Example 4

[0030] like Figure 1-4 As shown, based on Example 1, the utility model provides a technical solution: preferably, the extraction pump 7 includes a pump body 71, and an inlet end 72 is provided on the top of the pump body 71, and the inlet end 72 is installed inside the collection layer 55. A discharge end 73 is fixedly connected to one side of the outer wall of the pump body 71, and the discharge end 73 is installed below the bottom box 5.

[0031] The recovery mechanism 8 includes a delivery pipe 81, the middle part of which is movably connected to a fixing buckle 85, one end of which is fixedly connected to a connecting block 84, and one end of the delivery pipe 81 is movably connected to a nozzle 82, and the outer wall of the nozzle 82 is provided with multiple groups of spray holes 83.

[0032] One side of the connecting block 84 is fixedly mounted on the outer wall of the bearing seat 3 , the delivery pipe 81 is movably connected to the discharge end 73 , and the nozzle 82 passes through the interior of the cover 4 and is mounted on the top of the bearing bottom 2 .

[0033] In this embodiment, the combined action of the extraction pump 7 and the recovery mechanism 8 makes the device more convenient to use. The inlet end 72 of the extraction pump 7 is installed inside the collection layer 55. By starting the extraction pump 7, the oil collected in the collection layer 55 is discharged from the discharge end 73. The discharge end 73 is internally connected to the delivery pipe 81, so that the device can re-deliver the filtered oil to the top of the bearing bottom 2 to lubricate the bearing bottom 2 and prevent the oil at the bottom from overflowing and dripping onto the ground, so that the device can be recycled and resources can be saved.

[0034] The following is a detailed description of the working principle of the vertical mill powder separator main bearing oil leakage prevention device.

[0035] like Figure 1-43, and the bottom of the bottom box 5 is fixed with the bottom of the bottom of the bottom box 5, so that the oil in the bottom of the bottom box 5 is kept away from the oil in the bottom of the bottom box 5. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55. The oil is then filtered and collected in the collecting layer 55.

[0036] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A vertical mill powder separator main bearing oil leakage prevention device, comprising a main shaft body (1), characterized in that: The bottom of the main shaft body (1) is fixedly connected to the bearing bottom (2), the outer wall of the bearing bottom (2) is sleeved with a bearing seat (3), the top of the bearing seat (3) is movably connected to a cover (4), the top of the cover (4) is threadedly plugged with a connecting nut (10), the bottom of the bearing seat (3) is movably connected to a bottom box (5), the outer wall of the bottom box (5) is plugged with a connecting pipe (6), the outer wall of the connecting pipe (6) is sleeved with a closing valve (9), the bottom of the bottom box (5) is penetrated by an extraction pump (7), and one side of the extraction pump (7) is movably connected to a recovery mechanism (8).

2. The device for preventing oil leakage from the main bearing of a vertical mill classifier according to claim 1, characterized in that: An oil absorbing layer (31) is fixedly connected to the inner wall of the bearing seat (3), a leakage hole (32) is provided in the middle of the bottom of the bearing seat (3), a clamping groove (33) is provided at the bottom of the bearing seat (3), and the oil absorbing layer (31) protects the outer wall of the bearing bottom (2).

3. The device for preventing oil leakage from the main bearing of a vertical mill classifier according to claim 1, characterized in that: A connecting clamp (51) is fixedly connected to the top of the bottom box (5), a conical bucket (56) is fixedly connected to the middle of the interior of the bottom box (5), a drain groove (52) is provided around the outer wall of the conical bucket (56), a partition layer (53) is provided at the bottom of the drain groove (52), a drain net (54) is fixedly connected to the bottom of the partition layer (53), and a collection layer (55) is provided at the lower part of the interior of the bottom box (5).

4. The device for preventing oil leakage from the main bearing of a vertical mill separator according to claim 3, characterized in that: The leakage net (54) is installed above the collection layer (55), and one end of the connecting pipe (6) passes through the interior of the partition layer (53).

5. The device for preventing oil leakage from the main bearing of a vertical mill classifier according to claim 1, characterized in that: The extraction pump (7) includes a pump body (71), the top of the pump body (71) is provided with an inlet end (72), the inlet end (72) is installed inside the collection layer (55), and one side of the outer wall of the pump body (71) is fixedly connected to a discharge end (73), and the discharge end (73) is installed below the bottom box (5).

6. The device for preventing oil leakage from the main bearing of a vertical mill separator according to claim 1, characterized in that: The recovery mechanism (8) comprises a delivery pipe (81), a fixing buckle (85) movably connected to the middle portion of the delivery pipe (81), one end of the fixing buckle (85) being fixedly connected to a connecting block (84), and one end of the delivery pipe (81) being movably connected to a nozzle (82), and a plurality of nozzle holes (83) being provided on the outer wall of the nozzle (82).

7. The device for preventing oil leakage from the main bearing of a vertical mill classifier according to claim 6, characterized in that: One side of the connecting block (84) is fixedly mounted on the outer wall of the bearing seat (3), the delivery pipe (81) is movably connected to the discharge end (73), and the nozzle (82) passes through the inside of the cover (4) and is mounted on the top of the bearing bottom (2).

Images