CN102008988B - Vertical mill grinding roll sealing device - Google Patents
Vertical mill grinding roll sealing device Download PDFInfo
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- CN102008988B CN102008988B CN2010105218137A CN201010521813A CN102008988B CN 102008988 B CN102008988 B CN 102008988B CN 2010105218137 A CN2010105218137 A CN 2010105218137A CN 201010521813 A CN201010521813 A CN 201010521813A CN 102008988 B CN102008988 B CN 102008988B
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- vertical mill
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Abstract
The invention discloses a vertical mill grinding roll sealing device. The device comprises a transparent cover and a grinding roll shaft, wherein the grinding roll shaft is provided with an oil sealing sleeve; the oil sealing sleeve and the transparent cover form an oil sealing cavity; a plurality of oil seals and outer oil sealing partition plates are arranged in the oil sealing cavity respectively; the outer oil sealing partition plates are arranged between every two adjacent oil seals; a grease cavity is formed by the internal diameter of the oil sealing sleeve and the external diameter of the grinding roll shaft; an axial oil hole and a radial oil hole are formed on the grinding roll shaft in the axial direction and the radial direction respectively; the radial oil hole is led to the surface of the grinding roll shaft; one end of the axial oil hole is connected with the radial oil hole; and the oil sealing sleeve is provided with two rows of reducing holes corresponding to the oil sealing cavity. Through the device, a grinding roll can be excellently sealed to ensure that a bearing works in a clean environment and further prolong the service life of the bearing.
Description
Technical field
What the present invention relates to is a kind of sealing device, and what be specifically related to is a kind of Vertical Mill grinding roller sealing device, belongs to the production equipment technical field.
Background technology
The Vertical Mill grinding roller relies on hydraulic means, pressing mechanism that the pulling force that hydraulic cylinder produces is put on the object on the mill, and the material pressurized receives the shearing force that grinding roller and mill relative motion produce simultaneously and destroys and obtain pulverizing.Grinding roller is high as the manufacturing of Vertical Mill main working parts, maintenance cost, and particularly bearing costs an arm and a leg, and can it well move is one of key of Vertical Mill use success or not.
And the key that can grinding roller well move under the ten minutes rugged environment that can be bearing obtain is good lubricated.Grinding roller generally adopts the lubrication station forced feed lubrication, and grinding roller is lubricated, and leakproof is crucial.Grinding roller seal failure in the past, the example that causes damage of bearings, lubricating oil to run off is too numerous to enumerate, and tracing it to its cause mainly is because design, safeguard improper causing.
Structural design is unreasonable to be prone to cause being used for dustproof and grease proofing grease skewness, and dustproof fat is on the low side, and grease-proof is on the high side, safeguards improperly to cause stuffing too much or very few easily.The stuffing amount too much is prone to cause unnecessary fat to get into the grinding roller inner chamber, causes thin oil to pollute, and viscosity is excessive, and oil return is not smooth, and bearing can not get good lubrication and heat radiation, and causes the oil pump load excessive, damages easily; The stuffing amount is very few to cause sealing to advance dirt easily, and oil sealing, oil-sealing sleeve damage and lost efficacy.
Summary of the invention
To the deficiency that exists on the prior art, the present invention seeks to be to provide a kind of grinding roller that can make to obtain the good Vertical Mill grinding roller sealing device of sealing assurance bearing working in cleaning ambient, thereby prolong the service life of bearing.
To achieve these goals, the present invention realizes through following technical scheme:
The present invention includes lid and grinding roller axle; The grinding roller axle is provided with oil-sealing sleeve, oil-sealing sleeve with pass through lid and form the oil sealing chamber, be respectively equipped with a plurality of oil sealings in the oil sealing chamber and be arranged on the outer oil seal dividing plate between adjacent two oil sealings; The external diameter of the internal diameter of oil-sealing sleeve and grinding roller axle is formed the grease chamber; The footpath that axially reaches of grinding roller axle upwards is respectively equipped with axial oilhole and leads to the surperficial radial direction oil hole of grinding roller axle, and axially an end of oilhole is connected with radial direction oil hole, and oil-sealing sleeve is provided with and corresponding double row reducing hole, oil sealing chamber.
The present invention also comprises intelligent centralized lubrication device and grease pipe, and an end of grease pipe is connected with intelligent centralized lubrication device through rubber hose coupling, and the other end of grease pipe is connected with the other end of axial oilhole.Adopt intelligent centralized lubrication device stuffing mode, both reduced hand labor, reduce the equipment control difficulty again.
The inboard in above-mentioned oil sealing chamber also is provided with the inner oil seal dividing plate.After the oil-sealing sleeve wearing and tearing, only need to be placed on the outer end to the inner oil seal dividing plate, three oil sealings can inwardly advance the width of an inner oil seal dividing plate, thereby arrive a new unworn working face, and the oil-sealing sleeve life-span is doubled.
The width of above-mentioned inner oil seal dividing plate is less than the width of outer oil seal dividing plate.The width that reduces the inner oil seal dividing plate promptly increases oil storage space (oil sealing inner chamber, outer oil seal dividing plate and inner oil seal dividing plate), dustproof, grease proofing better effects if.
Above-mentionedly cover that be equipped with on the end can be to the oil sealing pressing plate that axially positions of oil sealing.Strengthen sealing effectiveness.
Above-mentioned double row reducing hole comprises upper end hole and following stomidium, and the diameter of upper end hole is greater than the diameter of following stomidium.Increase the aperture of upper end hole, increase oil pump capacity, improve working environment; Reduce the aperture of stomidium down, the control oil quantity.
Above-mentioned upper end hole reaches down, and stomidium is provided with two respectively at least.Be prone to the bigger grease of even distribution viscosity, increase the hole and promptly increase uniformity, alleviate the partial failure situation and occur.
The present invention adopts stuffing mode flexibly, distribute rational fat hole and rational oil storage space, the strict path of passing through of controlling grease, thus guarantee good sealing effectiveness; And can reduce rate of breakdown, reduce the loss of lubricating oil, prolong the service life of bearing.
Description of drawings
Specify the present invention below in conjunction with the accompanying drawing and the specific embodiment;
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of A part among Fig. 1;
Fig. 3 is an E-E cutaway view among Fig. 1;
Fig. 4 is the structural representation of oil-sealing sleeve of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with the specific embodiment, further set forth the present invention.
Referring to Fig. 1 to shown in Figure 4, the present invention includes cover 1 with grinding roller axle 2, grinding roller axle 2 is provided with oil-sealing sleeve 3, oil-sealing sleeve 3 with cover 1 thoroughly and form oil sealing chamber 4.
The footpath that axially reaches at grinding roller axle 2 upwards has axial oilhole 8 and radial direction oil hole 9; Axially the right-hand member of oilhole 8 is connected with radial direction oil hole 9; Radial direction oil hole 9 is led to the surface of grinding roller axle 2; The left end of axial oilhole 8 is provided with screwed hole and is connected with the right-hand member of a grease pipe 11, and the left end of grease pipe 11 is connected with intelligent centralized lubrication device 10 through rubber hose coupling 12.
The present invention adopts intelligent centralized lubrication device 10 stuffing modes, because the Vertical Mill associated components has disposed intelligent centralized lubrication device 10, can solve so only add several grease pipes 11, increases cost hardly.And after adopting intelligent centralized lubrication device 10, can accomplish regularly according to actual conditions, quantitative refueling.In case adjust cycle and frequency, just needn't worry whether volume read-out and filling cycle be controlled, thereby both reduce hand labor, reduce the equipment control difficulty again.
Oil-sealing sleeve 3 is installed on grinding roller axle 2; The external diameter of the internal diameter of oil-sealing sleeve 3 and grinding roller axle 2 is provided with grease chamber 7, is processed with two groups of each four oilholes on 3 one weeks at oil-sealing sleeve, is divided into upper end hole 15 and following stomidium 16; The diameter of upper end hole 15 is greater than the following diameter of stomidium 16, and leads to oil sealing chamber 4 respectively.
The grease of upper end mainly plays the sealing and dustproof effect, and seal operation environment extreme difference so increase the aperture of upper end hole 15, increases oil pump capacity here, improves working environment.The grease of lower end mainly plays the grease proofing effect of sealing, and its working environment is better, if stuffing is too much, is prone to cause grease to get into the grinding roller inner chamber, causes thin oil to pollute, so reduce the aperture of stomidium 16 down, control oil quantity.
Simultaneously, stomidium 16 was established two respectively under upper end hole 15 reached, and was prone to the bigger grease of even distribution viscosity; Particularly prevent the upper end because after environment badly local pollution occurs; The binding element of dust and grease hardens and hardens, thereby damage oil sealing 5 and oil-sealing sleeve 3 cause seal failure; Increase the hole and promptly increase uniformity, alleviate the partial failure situation and occur.
Be respectively equipped with an inner oil seal dividing plate 13, two outer oil seal dividing plates 6 and three oil sealings 5 in the oil sealing chamber 4; Outer oil seal dividing plate 6 is arranged between the two adjacent oil sealings 5; Inner oil seal dividing plate 13 is arranged on the Right Inboard in oil sealing chamber 4; Cover 1 left end thoroughly and oil sealing pressing plate 14 is installed, be used for axially positioning oil sealing 5 through bolt.
After oil-sealing sleeve 3 wearing and tearing, only need to be placed on the outer end to inner oil seal dividing plate 13, three oil sealings 5 can inwardly advance the width of an inner oil seal dividing plate 13, thereby arrive a new unworn working face, and the life-span of oil-sealing sleeve 3 is doubled.Because it is all very high that 3 pairs of materials of oil-sealing sleeve, heat treatment and machined require, so the present invention can practice thrift cost and reduce the workload of overhauling dismounting.
The width of inner oil seal dividing plate 13 is less than the width of outer oil seal dividing plate 6, and the width that reduces inner oil seal dividing plate 13 promptly increases oil storage space, dustproof and grease proofing better effects if.
Reduce oil-sealing sleeve 3 and oil sealing pressing plate 14 and cover the gap between 1 thoroughly; Theoretically, do not considering that counterrotating workpiece occurs under the abrasion condition, gap between any two is more little good more; The gap that rationally reduces them can reduce the into passage of ash and leakage of oil, thereby reduces to pollute the possibility with leakage of oil.
Grease of the present invention gets into grease chambeies 7 through rubber hose coupling 12, grease pipe 11, axial oilhole 8, radial direction oil hole 9 respectively, and gets into oil sealing chamber 4 through two groups of each four oilholes, and oil sealing 5 is lubricated and seals.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (7)
1. Vertical Mill grinding roller sealing device; Comprise lid (1) and grinding roller axle (2); Said grinding roller axle (2) is provided with oil-sealing sleeve (3); Said oil-sealing sleeve (3) is formed oil sealing chamber (4) with covering (1) thoroughly, is respectively equipped with a plurality of oil sealings (5) in the said oil sealing chamber (4) and is arranged on the outer oil seal dividing plate (6) between adjacent two oil sealings (5), and the external diameter of the internal diameter of said oil-sealing sleeve (3) and grinding roller axle (2) is formed grease chamber (7); It is characterized in that; The footpath that axially reaches of said grinding roller axle (2) upwards is respectively equipped with axial oilhole (8) and leads to the surperficial radial direction oil hole (9) of grinding roller axle (2), and an end of said axial oilhole (8) is connected with radial direction oil hole (9), and said oil-sealing sleeve (3) is provided with and corresponding double row reducing hole, oil sealing chamber (4).
2. Vertical Mill grinding roller sealing device according to claim 1; It is characterized in that; Also comprise intelligent centralized lubrication device (10) and grease pipe (11); One end of said grease pipe (11) is connected with intelligent centralized lubrication device (10) through rubber hose coupling (12), and the other end of said grease pipe (11) is connected with the other end of axial oilhole (8).
3. Vertical Mill grinding roller sealing device according to claim 1 is characterized in that the inboard in said oil sealing chamber (4) also is provided with inner oil seal dividing plate (13).
4. Vertical Mill grinding roller sealing device according to claim 3 is characterized in that the width of said inner oil seal dividing plate (13) is less than the width of outer oil seal dividing plate (6).
5. according to claim 1 or 2 or 3 described Vertical Mill grinding roller sealing devices, it is characterized in that, the oil sealing pressing plate (14) that can axially position oil sealing is installed on said lid (1) one end.
6. according to claim 1 or 2 or 3 described Vertical Mill grinding roller sealing devices, it is characterized in that said double row reducing hole comprises upper end hole (15) and following stomidium (16), the diameter of said upper end hole (15) is greater than the diameter of following stomidium (16).
7. Vertical Mill grinding roller sealing device according to claim 6 is characterized in that, stomidium (16) was provided with two respectively at least under said upper end hole (15) reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105218137A CN102008988B (en) | 2010-10-27 | 2010-10-27 | Vertical mill grinding roll sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105218137A CN102008988B (en) | 2010-10-27 | 2010-10-27 | Vertical mill grinding roll sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102008988A CN102008988A (en) | 2011-04-13 |
| CN102008988B true CN102008988B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105218137A Active CN102008988B (en) | 2010-10-27 | 2010-10-27 | Vertical mill grinding roll sealing device |
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| CN (1) | CN102008988B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054160B (en) * | 2021-12-01 | 2022-11-01 | 中国矿业大学 | Medium speed pulverizer grinding roller device |
| CN116197013B (en) * | 2023-05-06 | 2023-07-21 | 合肥中亚建材装备有限责任公司 | Durable built-in bearing type grinding roller single-double support vertical mill capable of preventing oil leakage |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4630458A (en) * | 1985-03-12 | 1986-12-23 | Durametallic Corporation | Seal arrangement for mill roll |
| CN2198463Y (en) * | 1994-08-26 | 1995-05-24 | 王廷阁 | Mechanical sealing |
| DE102006058013A1 (en) * | 2006-12-08 | 2008-06-19 | Polysius Ag | Grinding mill with roller acting against rotary table, has lubrication space extending outside grinding chamber interior, to exclude dust from bearings |
| CN201300077Y (en) * | 2008-10-08 | 2009-09-02 | 容北国 | Grinding mill maintenance-free grinding roller assembly device |
| CN201375911Y (en) * | 2009-04-16 | 2010-01-06 | 上海宝钢工程技术有限公司 | Grinding-roll sealing device |
| CN201500568U (en) * | 2009-03-17 | 2010-06-09 | 承德建龙特殊钢有限公司 | Mill sealing device |
| CN201832689U (en) * | 2010-10-27 | 2011-05-18 | 溧阳中材重型机器有限公司 | Sealing device for grinding roller of vertical mill |
-
2010
- 2010-10-27 CN CN2010105218137A patent/CN102008988B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4630458A (en) * | 1985-03-12 | 1986-12-23 | Durametallic Corporation | Seal arrangement for mill roll |
| CN2198463Y (en) * | 1994-08-26 | 1995-05-24 | 王廷阁 | Mechanical sealing |
| DE102006058013A1 (en) * | 2006-12-08 | 2008-06-19 | Polysius Ag | Grinding mill with roller acting against rotary table, has lubrication space extending outside grinding chamber interior, to exclude dust from bearings |
| CN201300077Y (en) * | 2008-10-08 | 2009-09-02 | 容北国 | Grinding mill maintenance-free grinding roller assembly device |
| CN201500568U (en) * | 2009-03-17 | 2010-06-09 | 承德建龙特殊钢有限公司 | Mill sealing device |
| CN201375911Y (en) * | 2009-04-16 | 2010-01-06 | 上海宝钢工程技术有限公司 | Grinding-roll sealing device |
| CN201832689U (en) * | 2010-10-27 | 2011-05-18 | 溧阳中材重型机器有限公司 | Sealing device for grinding roller of vertical mill |
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| Publication number | Publication date |
|---|---|
| CN102008988A (en) | 2011-04-13 |
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