CN214838384U - F-shaped grinding head seal of ball mill - Google Patents
F-shaped grinding head seal of ball mill Download PDFInfo
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- CN214838384U CN214838384U CN202121723016.7U CN202121723016U CN214838384U CN 214838384 U CN214838384 U CN 214838384U CN 202121723016 U CN202121723016 U CN 202121723016U CN 214838384 U CN214838384 U CN 214838384U
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- shaped static
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Abstract
The utility model relates to a ball mill technical field specifically is a ball mill F type bistrique is sealed, including the mill body, it is connected with dynamic seal circle to rotate on the link sleeve of this end of mill body, the outside welding on dynamic seal circle surface has the flange gland, the surface mounting of flange gland has F type static seal cover, and through the bolt between F type static seal cover and the flange gland, the fixed surface of F type static seal cover is pegged graft there is the return ash pipe rather than inside intercommunication, can discharge the tiny amount of fine powder material that oozes under the malleation state to the collector in by the return ash pipe, avoids the material scattering phenomenon to appear, has effectively improved the sealed effect of bistrique department, and this sealing device avoids periodic replacement sealing member, cancels personnel's maintenance operation, divides into split type structure from top to bottom during the design, dismouting when being convenient for overhaul, improves production efficiency after the technology changes, The product quality is improved, the environment is protected, and the method has a practical value.
Description
Technical Field
The utility model relates to a ball mill technical field specifically is a ball mill F type bistrique is sealed.
Background
The ball mill is a key device for crushing materials after the materials are crushed, and the ore mill of the type is characterized in that a certain amount of steel balls are filled in a cylinder body of the ore mill to serve as grinding media, the structure of the ore mill mainly comprises a horizontal cylinder body, a feeding and discharging hollow shaft, a grinding head and the like.
Because the ball mill is used for synchronous feeding, the ball mill has high requirements on the sealing of a feeding part. The inventor discovers the following problems in the prior art in the process of researching the common ball mill grinding head sealing structure: 1. the original sealing design is a felt and gland pressing type structure, the use effect is not ideal, and the phenomena of air leakage and material leakage are serious; 2. the felt needs to be frequently replaced, and the leaked materials enter the grinding head and slide shoes to cause the pollution of lubricating oil.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ball mill F type bistrique is sealed to solve the problem that proposes in the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ball mill F type bistrique is sealed, includes the mill body, it is connected with dynamic seal circle to rotate on the connecting sleeve of this end of mill body, the outside welding on dynamic seal circle surface has the flange gland, the surface mounting of flange gland has the static sealed cowling of F type, and passes through the bolt between the static sealed cowling of F type and the flange gland, the fixed surface of the static sealed cowling of F type is pegged graft and is had the ash return pipe rather than inside intercommunication.
The overlapped area of the F-shaped static sealing cover and the inner side of the flange gland is set as a sealing surface, and a sealing element is arranged in the sealing surface.
Preferably, the surface of the F-shaped static sealing cover is penetrated with a feeding pipe.
Preferably, the penetrating position of the feeding pipe on the F-shaped static sealing cover is the middle part of the feeding pipe, and the inner end of the feeding pipe is inserted into a connecting sleeve at the end part of the mill body.
Preferably, the flange gland consists of a gland and a flange, the gland is welded on the dynamic sealing ring, and the flange is welded on the gland.
Preferably, the sealing element is provided as a double-layer oil packing.
Preferably, screw holes are formed in the surfaces of the F-shaped static sealing cover and the flange gland, and the bolts are inserted into the screw holes.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, through setting up the static sealed cowling of F type, can be with a small amount of farine material that oozes under the malleation state by returning the ash pipe discharge to the collector in, avoid spilling the material phenomenon to appear, effectively improved the sealed effect of bistrique department.
The utility model discloses in, through setting up the cooperation of parts such as flange gland and the static sealed cowling of F type for this sealing device avoids periodic change sealing member, cancellation personnel to overhaul the operation, and split type structure about the design time divide into, dismouting when being convenient for overhaul, improvement production efficiency, improvement product quality, green more after the technology changes.
Drawings
Fig. 1 is a front sectional view of the present invention;
fig. 2 is a side view of the dynamic seal ring of fig. 1 in accordance with the present invention;
fig. 3 is a front cross-sectional view of the dynamic seal ring of fig. 1 in accordance with the present invention;
FIG. 4 is a side view of the type F static seal housing of FIG. 1 in accordance with the present invention;
fig. 5 is a left side cross-sectional view of the F-shaped static seal housing of fig. 1 according to the present invention;
figure 6 is a side view of the flange gland of figure 1 in accordance with the present invention;
figure 7 is a front cross-sectional view of the flange gland of figure 1 in accordance with the present invention.
In the figure: 1. a dynamic seal ring; 2. an F-shaped static sealing cover; 3. a flange gland; 4. an ash return pipe; 5. a seal member; 6. a sealing surface; 7. a bolt; 8. a mill body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a ball mill F-shaped grinding head seal comprises a mill body 8, a dynamic seal ring 1 is rotatably connected on a connecting sleeve at the end part of the mill body 8, when the grinding head is in a negative pressure state during the operation of the ball mill, the dynamic seal ring 1 can perform rotary motion along with the mill body 8, a flange gland 3 is welded on the outer side of the surface of the dynamic seal ring 1, an F-shaped static seal cover 2 is installed on the surface of the flange gland 3, the flange part of the flange gland 3 can be embedded into the inner side of the F-shaped static seal cover 2, the F-shaped static seal cover 2 and the flange gland 3 are bolted through bolts 7, the bolts 7 are distributed in an annular equidistant mode along the surfaces of the F-shaped static seal cover 2 and the flange gland 3, and an ash return pipe 4 communicated with the interior of the F-shaped static seal cover 2 is fixedly spliced on the surface of the F-shaped static seal cover 2;
the overlapping area of the F-shaped static seal cover 2 and the inner side of the flange gland 3 is a seal surface 6, and a seal 5 is arranged in the seal surface 6.
In this embodiment, as shown in fig. 1, a feed pipe is inserted through the surface of the F-shaped static seal cover 2 for feeding material into the mill body 8.
In this embodiment, as shown in fig. 1, the insertion position of the feeding pipe on the F-shaped static seal cover 2 is the middle part, and the inner end of the feeding pipe is inserted into the connecting sleeve at the end of the mill body 8.
In this embodiment, as shown in fig. 1, 6 and 7, the flange gland 3 is composed of a gland welded to the dynamic seal ring 1 and a flange welded to the gland.
In this embodiment, as shown in fig. 1, the sealing element 5 is a double-layer oil packing, which is also called sealing packing, and is usually woven by asbestos threads coated with heat-resistant lubricating oil and graphite, and is sealed by filling a square or rectangular cross-sectional area and a circular strip-shaped object in a sealing cavity, and the packing is earlier sealed by filling fiber plugs such as cotton and hemp in a leakage passage to prevent liquid flow leakage.
In this embodiment, as shown in fig. 1, 4, 5, 6 and 7, screw holes are formed on the surfaces of the F-shaped static seal cover 2 and the flange gland 3, and the bolts 7 are inserted into the screw holes.
The utility model discloses a use method and advantage: when the F-shaped grinding head of the ball mill is sealed and works, the working process is as follows:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, when the ball mill is operated, the grinding head is in a negative pressure state, the dynamic seal ring 1 welded on the connecting sleeve at the end part of the mill body 8 rotates with the mill body 8, the superposed part of the F-shaped static seal cover 2 and the dynamic seal ring 1 forms a seal surface 6, a double-layer oil packing is used as a seal element 5, a flange gland 3 is used for compressing, the sealing performance of the rotating part is ensured, when a positive pressure state is met in the operation process, a small amount of fine powder material enters the cavity of the F-shaped static sealing cover 2, the material entering the cavity is discharged into the collector through the ash return pipe 4, the phenomenon of material scattering is avoided, this sealing device only needs to change sealing element, and is sealed effectual, split type structure about being divided into during the design, dismouting when convenient to overhaul, and place the clear material dolly below the feed back pipe, every class shallow fall to the appointed place can.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a ball mill F type bistrique is sealed, includes mill body (8), its characterized in that: a dynamic sealing ring (1) is rotatably connected onto a connecting sleeve at the end part of the mill body (8), a flange gland (3) is welded on the outer side of the surface of the dynamic sealing ring (1), an F-shaped static sealing cover (2) is mounted on the surface of the flange gland (3), the F-shaped static sealing cover (2) and the flange gland (3) are bolted through bolts (7), and an ash return pipe (4) communicated with the interior of the F-shaped static sealing cover (2) is fixedly spliced on the surface of the F-shaped static sealing cover;
the overlapped area of the F-shaped static sealing cover (2) and the inner side of the flange gland (3) is set as a sealing surface (6), and a sealing element (5) is arranged in the sealing surface (6).
2. The ball mill F-type grinding head seal according to claim 1, characterized in that: the surface of the F-shaped static sealing cover (2) is inserted with a feeding pipe.
3. The ball mill F-type grinding head seal according to claim 2, characterized in that: the penetrating position of the feeding pipe on the F-shaped static sealing cover (2) is the middle part of the feeding pipe, and the inner end of the feeding pipe is inserted into a connecting sleeve at the end part of the mill body (8).
4. The ball mill F-type grinding head seal according to claim 1, characterized in that: the flange gland (3) is composed of a gland and a flange, the gland is welded on the dynamic sealing ring (1), and the flange is welded on the gland.
5. The ball mill F-type grinding head seal according to claim 1, characterized in that: the sealing element (5) is set as a double-layer oil packing.
6. The ball mill F-type grinding head seal according to claim 1, characterized in that: screw holes are formed in the surfaces of the F-shaped static sealing cover (2) and the flange gland (3), and the bolts (7) are inserted into the screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121723016.7U CN214838384U (en) | 2021-07-27 | 2021-07-27 | F-shaped grinding head seal of ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121723016.7U CN214838384U (en) | 2021-07-27 | 2021-07-27 | F-shaped grinding head seal of ball mill |
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| Publication Number | Publication Date |
|---|---|
| CN214838384U true CN214838384U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121723016.7U Active CN214838384U (en) | 2021-07-27 | 2021-07-27 | F-shaped grinding head seal of ball mill |
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| CN (1) | CN214838384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212975A (en) * | 2022-07-27 | 2022-10-21 | 四川省星船城水泥股份有限公司 | Material pouring prevention device for grinding head of cement grinding mill |
-
2021
- 2021-07-27 CN CN202121723016.7U patent/CN214838384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212975A (en) * | 2022-07-27 | 2022-10-21 | 四川省星船城水泥股份有限公司 | Material pouring prevention device for grinding head of cement grinding mill |
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