CN201832689U - Sealing device for grinding roller of vertical mill - Google Patents

Sealing device for grinding roller of vertical mill Download PDF

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Publication number
CN201832689U
CN201832689U CN2010205795816U CN201020579581U CN201832689U CN 201832689 U CN201832689 U CN 201832689U CN 2010205795816 U CN2010205795816 U CN 2010205795816U CN 201020579581 U CN201020579581 U CN 201020579581U CN 201832689 U CN201832689 U CN 201832689U
Authority
CN
China
Prior art keywords
oil
grinding roller
sealing
hole
vertical mill
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010205795816U
Other languages
Chinese (zh)
Inventor
吴春辉
余文
汤卓峰
吴力军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SINOMA-LIYANG HEAVY MACHINERY Co Ltd
Original Assignee
SINOMA-LIYANG HEAVY MACHINERY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SINOMA-LIYANG HEAVY MACHINERY Co Ltd filed Critical SINOMA-LIYANG HEAVY MACHINERY Co Ltd
Priority to CN2010205795816U priority Critical patent/CN201832689U/en
Application granted granted Critical
Publication of CN201832689U publication Critical patent/CN201832689U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a sealing device for a grinding roller of a vertical mill, comprising a transparent cover and a grinding roller shaft, an oil seal sleeve is arranged on the grinding roller shaft, the oil seal sleeve and the transparent cover form an oil seal cavity, a plurality of oil seals and outer oil seal clapboards arranged between the adjacent oil seals are arranged in the oil seal cavity, the inner diameter of the oil seal sleeve and the outer diameter of the grinding roller shaft form a grease cavity, an axial oil hole and a radial oil hole communicated to the surface of the grinding roller shaft are respectively arranged in the axial and radial directions of the grinding roller shaft, one end of the axial oil hole is connected with the radial oil hole, and a double-row reducing hole corresponding to the oil seal cavity is arranged on the oil seal sleeve. In the utility model, the grinding roller can be sealed well, so as to ensure a bearing to work in a clean environment and prolong the service life of the bearing.

Description

A kind of Vertical Mill grinding roller sealing device
Technical field
The utility model relates to a kind of sealing device, 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 pulling force that the Vertical Mill grinding roller relies on hydraulic means, pressing mechanism that hydraulic cylinder is produced puts on the object on the mill, and the material pressurized is subjected to the shearing force that grinding roller and mill relative motion produce simultaneously and destroys and obtain pulverizing.Grinding roller is as the manufacturing of Vertical Mill main working parts, maintenance cost height, 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 easily 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 easily causes unnecessary fat to enter 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.
The utility model content
At the deficiency that exists on the prior art, the utility model purpose is 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 prolongs the service life of bearing.
To achieve these goals, the utility model is to realize by the following technical solutions:
The utility model comprises lid and grinding roller axle, the grinding roller axle is provided with oil-sealing sleeve, oil-sealing sleeve is formed the oil sealing chamber with saturating lid, be respectively equipped with a plurality of oil sealings in the oil sealing chamber and be arranged on 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 radial direction oil hole axial and that directly upwards be respectively equipped with axial oilhole and lead to grinding roller axle surface of grinding roller axle, 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 utility model also comprises intelligent centralized lubrication device and grease pipe, and an end of grease pipe is connected with intelligent centralized lubrication device by 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 the inner oil seal dividing plate is placed on the outer end, 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.
Being equipped with on above-mentioned lid one 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.The easily even bigger grease of distribution viscosity increases the hole and promptly increases uniformity, alleviates the partial failure situation and occurs.
The utility model 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 breakdown rate, reduce the loss of lubricating oil, prolong the service life of bearing.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a structural representation of the present utility model;
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 the utility model oil-sealing sleeve.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
To shown in Figure 4, the utility model comprises and covers 1 and grinding roller axle 2 referring to Fig. 1, and grinding roller axle 2 is provided with oil-sealing sleeve 3, and oil-sealing sleeve 3 is formed oil sealing chamber 4 with saturating lid 1.
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 by rubber hose coupling 12.
The utility model 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 herein, 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, easily causes grease to enter 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, the easily even bigger grease of 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, the left end of saturating lid 1 is equipped with oil sealing pressing plate 14 by bolt, is used for axially positioning oil sealing 5.
After oil-sealing sleeve 3 wearing and tearing, only need inner oil seal dividing plate 13 is placed on the outer end, 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 utility model can be saved 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 the gap between oil-sealing sleeve 3 and oil sealing pressing plate 14 and the saturating lid 1, theoretically, do not considering that counterrotating workpiece occurs under the abrasion condition, gap between any two is the smaller the better, 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.
The utility model grease enters grease chamber 7 by rubber hose coupling 12, grease pipe 11, axial oilhole 8, radial direction oil hole 9 respectively, and enters oil sealing chamber 4 by two groups of each four oilholes, and oil sealing 5 is lubricated and seals.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (7)

1. Vertical Mill grinding roller sealing device, comprise lid (1) and grinding roller axle (2), described grinding roller axle (2) is provided with oil-sealing sleeve (3), described oil-sealing sleeve (3) is formed oil sealing chamber (4) with saturating lid (1), be respectively equipped with a plurality of oil sealings (5) in the described oil sealing chamber (4) and be arranged on outer oil seal dividing plate (6) between adjacent two oil sealings (5), the external diameter of the internal diameter of described 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 described 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), one end of described axial oilhole (8) is connected with radial direction oil hole (9), and described 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 described grease pipe (11) is connected with intelligent centralized lubrication device (10) by rubber hose coupling (12), and the other end of described 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 described 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 described 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 described 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 described double row reducing hole comprises upper end hole (15) and following stomidium (16), the diameter of described 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 described upper end hole (15) reached.
CN2010205795816U 2010-10-27 2010-10-27 Sealing device for grinding roller of vertical mill Expired - Lifetime CN201832689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205795816U CN201832689U (en) 2010-10-27 2010-10-27 Sealing device for grinding roller of vertical mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205795816U CN201832689U (en) 2010-10-27 2010-10-27 Sealing device for grinding roller of vertical mill

Publications (1)

Publication Number Publication Date
CN201832689U true CN201832689U (en) 2011-05-18

Family

ID=44002784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205795816U Expired - Lifetime CN201832689U (en) 2010-10-27 2010-10-27 Sealing device for grinding roller of vertical mill

Country Status (1)

Country Link
CN (1) CN201832689U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102008988A (en) * 2010-10-27 2011-04-13 溧阳中材重型机器有限公司 Vertical mill grinding roll sealing device
CN102553673A (en) * 2012-02-27 2012-07-11 南京凯盛国际工程有限公司 Sealing device of vertical mill casing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102008988A (en) * 2010-10-27 2011-04-13 溧阳中材重型机器有限公司 Vertical mill grinding roll sealing device
CN102008988B (en) * 2010-10-27 2012-08-22 溧阳中材重型机器有限公司 Vertical mill grinding roll sealing device
CN102553673A (en) * 2012-02-27 2012-07-11 南京凯盛国际工程有限公司 Sealing device of vertical mill casing

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110518

Effective date of abandoning: 20120822