CN107830388B - Novel granulator main shaft - Google Patents
Novel granulator main shaft Download PDFInfo
- Publication number
- CN107830388B CN107830388B CN201610733388.5A CN201610733388A CN107830388B CN 107830388 B CN107830388 B CN 107830388B CN 201610733388 A CN201610733388 A CN 201610733388A CN 107830388 B CN107830388 B CN 107830388B
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- China
- Prior art keywords
- main shaft
- oil
- side wall
- bearing
- hole
- Prior art date
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- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011796 hollow space material Substances 0.000 claims description 2
- 239000004519 grease Substances 0.000 abstract description 18
- 230000001050 lubricating effect Effects 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/023—Shafts; Axles made of several parts, e.g. by welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Rolling Contact Bearings (AREA)
- Sliding-Contact Bearings (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to a novel granulator main shaft. The novel oil-saving device comprises a hollow shaft, a main shaft body, an end cover, two outer oil seals and an inner oil seal, wherein a first main shaft triangular column and a second main shaft triangular column are arranged at the front end of the main shaft body, an oil inlet hole and an oil return hole which are communicated with the inside of the main shaft body are respectively formed at the front ends of the first main shaft triangular column and the second main shaft triangular column, a first oil conveying hole communicated with the oil inlet hole and a second oil conveying hole communicated with the oil return hole are formed on the outer side wall of the main shaft body, the first oil conveying hole is positioned at the front end of a main shaft bearing, and the second oil conveying hole is positioned at the rear end of the main shaft bearing. When the granulator main shaft is actually operated, the lubricating grease is seen to emerge from the outlet of the oil return hole, and the main shaft bearing is judged to be fully filled with the lubricating grease, so that the main shaft bearing is prevented from being burnt out due to oil shortage, and the service life of the main shaft bearing is greatly prolonged.
Description
Technical Field
The invention relates to the technical field of granulators, in particular to a novel granulator main shaft.
Background
Referring to fig. 1, when the main shaft of the granulator is assembled, a main shaft body 10' is sleeved in a hollow shaft 20' in the air, a main shaft bearing 30' is arranged between the main shaft body 10' and an inner hole of the hollow shaft 20', an inner ring of the main shaft bearing 30 is arranged on the main shaft body 10', and an outer ring of the main shaft bearing 30 is arranged in the inner hole of the hollow shaft 20 '; during normal operation of the granulator, the main shaft body 10' is stationary and the hollow shaft 20' rotates around the main shaft body 10 '. In the grease filling method for a spindle bearing of a conventional granulator, an oil filling hole 13 'is usually formed by punching a tail portion of a spindle body 10' along an axial direction, and the oil filling hole is opened radially from a position where a bearing is mounted on the spindle body 10', so that grease is filled into the spindle bearing 30', but the filling method has the following drawbacks: the oil path is too long and easy to be blocked, and the lubricating grease flows away to the gap between the main shaft with small pressure and the inner hole of the hollow shaft more easily, so that the main shaft bearing cannot obtain sufficient lubricating grease, and the main shaft bearing is easy to burn out in actual production due to the fact that the filling mode of the lubricating grease and the sealing dustproof structure of the bearing are not scientific, and is troublesome to replace once burned out, and the maintenance cost is high.
Disclosure of Invention
The invention aims to provide a novel granulator main shaft.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a novel granulator main shaft, its includes a hollow shaft, follow the front end of hollow shaft to tail end orientation insertable main shaft body, main shaft body suit is in the internal space of hollow shaft, the cover is equipped with a main shaft bearing on the lateral wall of main shaft body, main shaft bearing installs between the lateral wall of main shaft body and the inside wall of hollow shaft, its characterized in that, the front end of main shaft body is provided with first main shaft triangular prism and second main shaft triangular prism, the front end of first main shaft triangular prism is formed with the inside inlet port of a through main shaft body, the front end of second main shaft triangular prism is formed with the inside oil gallery of a through main shaft body, be formed with on the lateral wall of main shaft body one with the communicating first oil feed hole of inlet port, and one with the communicating second oil feed hole of oil gallery, first oil feed hole is located main shaft bearing's front end, the second oil feed hole is located main shaft bearing's rear end.
In a preferred embodiment, a main shaft big disc larger than the outer diameter of the main shaft body is formed at the front end of the main shaft body, the outer side wall of the main shaft big disc is in contact with the inner side wall of the hollow shaft, and the first main shaft triangular prism and the second main shaft triangular prism are respectively formed on the end plane of the front end of the main shaft big disc; a convex shaft shoulder is formed around the joint of the outer side wall of the main shaft body and the main shaft big disc, a bearing position is formed at the joint of the outer side wall of the main shaft body and the shaft shoulder, and the outer diameter of the bearing position is smaller than that of the shaft shoulder; the main shaft bearing is sleeved on the bearing position, and the front end of the main shaft bearing can be abutted against the shaft shoulder position.
In a preferred embodiment, the outer side wall of the main shaft body is further sleeved with an end cover, two outer oil seals and an inner oil seal sequentially from front to back, the inner oil seal is arranged at the rear of the second oil transmission hole, the two outer oil seals are sleeved on the outer side wall of the shaft shoulder position and are arranged in front of the first oil transmission hole, the end cover ring is arranged on the outer side wall and the front side wall of the outer oil seal, the outer side wall of the end cover is in sealing connection with the inner side wall of the hollow shaft, and the outer side wall and the tail end of the inner oil seal are in sealing connection with the inner side wall of the hollow shaft.
The novel granulator main shaft has the beneficial effects that: the front end of the main shaft body is provided with a first main shaft triangular column and a second main shaft triangular column, the front end of the first main shaft triangular column is provided with an oil inlet hole which is communicated with the inside of the main shaft body, the front end of the second main shaft triangular column is provided with an oil return hole which is communicated with the inside of the main shaft body, the outer side wall of the main shaft body is provided with a first oil conveying hole which is communicated with the oil inlet hole and a second oil conveying hole which is communicated with the oil return hole, the first oil conveying hole is communicated with the front end of the main shaft bearing, the second oil conveying hole is communicated with the rear end of the main shaft bearing, lubricating grease is filled from the oil inlet hole, passes through the main shaft bearing and then flows through the oil return hole, and in actual operation, the main shaft bearing is judged to have fully filled with lubricating grease when the main shaft bearing is seen to emerge from the outlet of the oil return hole, so that the main shaft bearing is prevented from being burnt out due to oil shortage, and the service life of the main shaft bearing is greatly prolonged. According to the granulator main shaft, the inner oil seal is additionally arranged at the rear end of the main shaft bearing, so that high-temperature liquefied lubricating grease can be prevented from flowing away, and meanwhile, the two outer oil seals are arranged at the front ends of the main shaft and the hollow shaft, so that external wood dust and dust can be effectively prevented from entering the inside of the bearing, and the service life of the main shaft bearing is greatly prolonged due to the double-insurance sealing protection effect.
Drawings
Fig. 1 is a schematic cross-sectional view of a spindle of a granulator in the related art.
Fig. 2 is a schematic cross-sectional view of a spindle of a novel granulator according to an embodiment.
Fig. 3 is a schematic cross-sectional view of the spindle body in fig. 2.
Detailed Description
The novel granulator spindle of the present invention will be described in further detail below with reference to specific examples and figures.
Referring to fig. 2, a novel spindle of a granulator includes a hollow shaft 20, a spindle body 10 is inserted from the front end to the rear end of the hollow shaft 20, the spindle body 10 is sleeved in the hollow space of the hollow shaft 20, a spindle bearing 30 is sleeved on the outer side wall of the spindle body 10, and the spindle bearing 30 is installed between the outer side wall of the spindle body 10 and the inner side wall of the hollow shaft 20.
Preferably, referring to fig. 3, the front end of the main shaft body 10 is provided with a first main shaft triangular column 12 and a second main shaft triangular column 13, the front end of the first main shaft triangular column 12 is formed with an oil inlet hole 121 penetrating through the inside of the main shaft body 10, the front end of the second main shaft triangular column 13 is formed with an oil return hole 131 penetrating through the inside of the main shaft body 10, the outer side wall of the main shaft body 10 is formed with a first oil inlet hole 122 communicated with the oil inlet hole 121 and a second oil inlet hole 132 communicated with the oil return hole 131, the first oil inlet hole 122 is positioned at the front end of the main shaft bearing 30, and the second oil inlet hole 122 is positioned at the rear end of the main shaft bearing 30.
The front end of the main shaft body 10 is formed with a main shaft big disc 11 larger than the outer diameter thereof, the outer side wall of the main shaft big disc 11 can be abutted against the inner side wall of the hollow shaft 20, and a first main shaft triangular column 12 and a second main shaft triangular column 13 are respectively formed on the end plane of the front end of the main shaft big disc 11.
A convex shaft shoulder 102 is formed around the joint of the outer side wall of the main shaft body 10 and the main shaft big disc 11, a bearing position 101 is formed at the joint of the outer side wall of the main shaft body 10 and the shaft shoulder 102, and the outer diameter of the bearing position 101 is smaller than the outer diameter of the shaft shoulder 102; the main shaft bearing 30 is sleeved at the bearing position 101, and the front end of the main shaft bearing can be abutted against the shoulder position 101.
The outer side wall of the main shaft body 10 is further sleeved with an end cover 40, two outer oil seals 50 and an inner oil seal 60 from front to back in sequence, the inner oil seal 60 is arranged behind the second oil transmission hole 132, the two outer oil seals 50 are sleeved on the outer side wall of the shaft shoulder 102 and are arranged in front of the first oil transmission hole 122, the end cover 40 is arranged in front of the outer oil seal 50 and can be annularly wrapped on the outer side wall and the front side wall of the outer oil seal 50, the outer side wall of the end cover 40 is in sealing connection with the inner side wall of the hollow shaft 20, and the outer side wall and the tail end of the inner oil seal 60 are in sealing connection with the inner side wall of the hollow shaft 20.
During actual assembly, the inner oil seal 60 is sleeved on the outer side wall of the main shaft body 10 and is positioned behind the second oil transmission hole 132, the outer oil seal 50 is sleeved on the outer side wall of the shoulder 102 and is positioned in front of the first oil transmission hole 122, the end cover 40 is sleeved in front of the outer oil seal 50, at this time, the second oil transmission hole 132, the main shaft bearing 30 and the first oil transmission hole 122 are all positioned between the inner oil seal 60 and the outer oil seal 50, an oil cavity is formed between the outer oil seal 50, the inner oil seal 60 and the inner wall of the hollow shaft 20, and the main shaft bearing is arranged in the oil cavity. When the grease is actually injected inwards, the grease is injected from the oil inlet hole 121, flows out from the first oil delivery hole 122 and enters the oil cavity, and when the whole oil cavity is filled with the grease, the grease flows out from the second oil delivery hole 132 and then overflows from the oil return hole 131, so that whether the oil cavity is filled with the grease can be judged.
In summary, the novel granulator spindle is characterized in that the front end of the spindle body is provided with the first spindle triangular column and the second spindle triangular column, the front end of the first spindle triangular column is provided with the oil inlet hole penetrating through the interior of the spindle body, the front end of the second spindle triangular column is provided with the oil return hole penetrating through the interior of the spindle body, the outer side wall of the spindle body is provided with the first oil conveying hole communicated with the oil inlet hole and the second oil conveying hole communicated with the oil return hole, the first oil conveying hole is communicated with the front end of the spindle bearing, the second oil conveying hole is communicated with the rear end of the spindle bearing, lubricating grease is filled from the oil inlet hole, flows through the oil return hole after passing through the spindle bearing, and in actual operation, the lubricating grease is seen to emerge from the outlet of the oil return hole, so that the spindle bearing is judged to be fully filled, the phenomenon that the spindle bearing burns out due to oil shortage is avoided, and the service life of the spindle bearing is greatly prolonged. According to the granulator main shaft, the inner oil seal is additionally arranged at the rear end of the main shaft bearing, so that high-temperature liquefied lubricating grease can be prevented from flowing away, and meanwhile, the two outer oil seals are arranged at the front ends of the main shaft and the hollow shaft, so that external wood dust and dust can be effectively prevented from entering the inside of the bearing, and the service life of the main shaft bearing is greatly prolonged due to the double-insurance sealing protection effect.
While the invention has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.
Claims (2)
1. The novel granulator main shaft comprises a hollow shaft, a main shaft body can be inserted from the front end to the tail end of the hollow shaft, the main shaft body is sleeved in the hollow space of the hollow shaft, a main shaft bearing is sleeved on the outer side wall of the main shaft body, the main shaft bearing is arranged between the outer side wall of the main shaft body and the inner side wall of the hollow shaft, and is characterized in that,
The front end of the main shaft body is provided with a first main shaft triangular column and a second main shaft triangular column, the front end of the first main shaft triangular column is provided with an oil inlet hole which is communicated with the inside of the main shaft body, the front end of the second main shaft triangular column is provided with an oil return hole which is communicated with the inside of the main shaft body, the outer side wall of the main shaft body is provided with a first oil conveying hole which is communicated with the oil inlet hole and a second oil conveying hole which is communicated with the oil return hole, the first oil conveying hole is positioned at the front end of the main shaft bearing, and the second oil conveying hole is positioned at the rear end of the main shaft bearing;
The front end part of the main shaft body is provided with a main shaft big disc larger than the outer diameter of the main shaft big disc, the outer side wall of the main shaft big disc is propped against the inner side wall of the hollow shaft, and the first main shaft triangular prism and the second main shaft triangular prism are respectively formed on the end plane of the front end of the main shaft big disc.
2. The novel granulator spindle of claim 1 wherein the outer sidewall of the spindle body and the junction with the spindle head are surrounded by a raised shoulder, the outer sidewall of the spindle body and the junction with the shoulder form a bearing, the outer diameter of the bearing being smaller than the outer diameter of the shoulder; the main shaft bearing is sleeved on the bearing position, the front end of the main shaft bearing can be abutted against the shaft shoulder position,
An end cover, two outer oil seals and an inner oil seal are sleeved on the outer side wall of the main shaft body from front to back in sequence, a main shaft bearing is arranged between the two outer oil seals and the inner oil seal, the inner oil seal is arranged behind the second oil transmission hole, the two outer oil seals are sleeved on the outer side wall of the shaft shoulder and are arranged in front of the first oil transmission hole, an end cover ring is arranged on the outer side wall and the front side wall of the outer oil seal, the outer side wall of the end cover is in sealing connection with the inner side wall of the hollow shaft, the outer side wall and the tail end of the inner oil seal are in sealing connection with the inner side wall of the hollow shaft,
The inner oil seal is sleeved on the outer side wall of the main shaft body and is positioned behind the second oil transmission hole, the outer oil seal is sleeved on the outer side wall of the shaft shoulder and is positioned in front of the first oil transmission hole, the end cover is sleeved in front of the outer oil seal, the second oil transmission hole, the main shaft bearing and the first oil transmission hole are all positioned between the inner oil seal and the outer oil seal, an oil cavity is formed between the outer oil seal, the inner oil seal and the inner wall of the hollow shaft, and the main shaft bearing is arranged in the oil cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610733388.5A CN107830388B (en) | 2016-08-27 | 2016-08-27 | Novel granulator main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610733388.5A CN107830388B (en) | 2016-08-27 | 2016-08-27 | Novel granulator main shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107830388A CN107830388A (en) | 2018-03-23 |
| CN107830388B true CN107830388B (en) | 2024-04-19 |
Family
ID=61643409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610733388.5A Active CN107830388B (en) | 2016-08-27 | 2016-08-27 | Novel granulator main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107830388B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201189726Y (en) * | 2008-04-14 | 2009-02-04 | 江苏牧羊集团有限公司 | Lubricating system of hoop standard granulator |
| CN101879423A (en) * | 2010-05-26 | 2010-11-10 | 耿福生 | Forged and synthesized main shaft for biomass particle granulating machine |
| CN202137970U (en) * | 2011-06-08 | 2012-02-08 | 锦州辽能生物质能源开发有限公司 | Straw particle pressing machine |
| CN202224131U (en) * | 2011-08-25 | 2012-05-23 | 溧阳市振和机械制造有限公司 | Transmission case assembly of biomass granulator |
| CN202392083U (en) * | 2011-12-31 | 2012-08-22 | 湖南浏阳河饲料有限公司 | Transmission mechanism of granulator spindle |
| CN202531743U (en) * | 2012-03-21 | 2012-11-14 | 江苏牧羊集团有限公司 | Double-shaft driving gear transmission system of ring die granulator |
| CN206036601U (en) * | 2016-08-27 | 2017-03-22 | 广东绿黄金节能环保技术有限公司 | Novel granulator main shaft |
-
2016
- 2016-08-27 CN CN201610733388.5A patent/CN107830388B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201189726Y (en) * | 2008-04-14 | 2009-02-04 | 江苏牧羊集团有限公司 | Lubricating system of hoop standard granulator |
| CN101879423A (en) * | 2010-05-26 | 2010-11-10 | 耿福生 | Forged and synthesized main shaft for biomass particle granulating machine |
| CN202137970U (en) * | 2011-06-08 | 2012-02-08 | 锦州辽能生物质能源开发有限公司 | Straw particle pressing machine |
| CN202224131U (en) * | 2011-08-25 | 2012-05-23 | 溧阳市振和机械制造有限公司 | Transmission case assembly of biomass granulator |
| CN202392083U (en) * | 2011-12-31 | 2012-08-22 | 湖南浏阳河饲料有限公司 | Transmission mechanism of granulator spindle |
| CN202531743U (en) * | 2012-03-21 | 2012-11-14 | 江苏牧羊集团有限公司 | Double-shaft driving gear transmission system of ring die granulator |
| CN206036601U (en) * | 2016-08-27 | 2017-03-22 | 广东绿黄金节能环保技术有限公司 | Novel granulator main shaft |
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| Publication number | Publication date |
|---|---|
| CN107830388A (en) | 2018-03-23 |
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Effective date of registration: 20200108 Address after: 516000 one of the two floors, No. 106, Xinxing North Road, three building town, Huicheng District, Huizhou City, Guangdong province (only for office) Applicant after: Huizhou Sanshun renewable resources Co.,Ltd. Address before: 516023 Guangdong city of Huizhou province Boluo county Luo Yang Zhen Xiaojinkou four jiao Gang dam upstairs Applicant before: GUANGDONG LYUHUANGJIN ENERGY SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20240319 Address after: No. 70 Jiankang Avenue, Liuyang Economic and Technological Development Zone, Changsha City, Hunan Province, 410000 Applicant after: HUNAN DIBO PHARMACEUTICAL CO.,LTD. Country or region after: China Address before: 516000, Second Floor, No. 106 Xinxing North Road, Sandong Town, Huicheng District, Huizhou City, Guangdong Province (Office only) Applicant before: Huizhou Sanshun renewable resources Co.,Ltd. Country or region before: China |
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