CN220151885U - Main shaft sealing structure of ball mill - Google Patents
Main shaft sealing structure of ball mill Download PDFInfo
- Publication number
- CN220151885U CN220151885U CN202321126546.2U CN202321126546U CN220151885U CN 220151885 U CN220151885 U CN 220151885U CN 202321126546 U CN202321126546 U CN 202321126546U CN 220151885 U CN220151885 U CN 220151885U
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- CN
- China
- Prior art keywords
- main shaft
- hollow main
- ball mill
- end cover
- peripheral side
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model is suitable for the technical field of ball mills, and provides a main shaft sealing structure of a ball mill, which comprises the ball mill and a hollow main shaft arranged at the end part of the ball mill; the end part of the hollow main shaft is fixedly connected with a fixing ring; the peripheral side surface of the fixed ring is provided with a mounting groove; the hollow main shaft is spliced and matched with an end cover; positioning grooves are distributed on the peripheral side surface of the end cover in a circumferential array; the peripheral side surface of the hollow main shaft is provided with external threads; the external thread is in threaded rotation fit with a tensioning piece; the tensioning piece is in sliding fit with the mounting groove and the corresponding positioning groove respectively. According to the device, the handle rod is rotated to drive the threaded ring to rotate and advance along the external threads, each group of L-shaped plates slide along the corresponding mounting groove, the end cover is pulled to tightly prop against the end part of the hollow main shaft, and the first fixing plate and the second fixing plate are fixedly connected together through the fastening bolts, so that the hollow main shaft is sealed; when the end cover is required to be opened, only the fastening bolt is required to be taken down, and the threaded ring is reversely rotated, so that the mounting and dismounting difficulties of the end cover are reduced.
Description
Technical Field
The utility model relates to the technical field of ball mills, in particular to a main shaft sealing structure of a ball mill.
Background
The ball mill is a key device for crushing materials after the materials are crushed, a certain number of steel balls are filled in a cylinder body of the type of ore grinding machine as grinding media, the type of ore grinding machine is widely applied to cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and nonferrous metal ore dressing, glass ceramics and other production industries, various ores and other grindability materials are subjected to dry or wet grinding, the ball mill is suitable for grinding various ores and other materials, and the type of ore grinding machine is widely applied to industries such as ore dressing, building materials, chemical industry and the like, and can be divided into two ore grinding modes of dry type and wet type, and two grinding modes of a grid type and an overflow type are realized according to different ore discharging modes.
The ball mill is comparatively emphasized its leakproofness at the during operation, especially the leakproofness of end cover department, because the ball mill can carry out more complete smashing the raw materials, if the leakproofness of end cover department is relatively poor, leads to the raw materials to flow out easily, causes the loss, but the end cover department sealing member adds too much and leads to the end cover to be difficult to open easily, and seal structure is because touching with the raw materials for a long time, needs to be changed, and current seal structure changes the degree of difficulty great, needs to improve.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a hollow main shaft which is sealed by rotating a handle rod to drive a threaded ring to rotate and advance along external threads on the hollow main shaft and sliding each group of L-shaped plates along corresponding mounting grooves to pull an end cover to tightly prop against the end part of the hollow main shaft; when the end cover is required to be opened, only the fastening bolt is required to be taken down, the threaded ring is reversely rotated, and the installation and the disassembly difficulty of the end cover are reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a ball mill main shaft sealing structure comprises a ball mill and a hollow main shaft arranged at the end part of the ball mill; the end part of the hollow main shaft is fixedly connected with a fixing ring; the peripheral side surface of the fixed ring is provided with a mounting groove; the hollow main shaft is spliced and matched with an end cover; positioning grooves are distributed on the peripheral side surface of the end cover in a circumferential array; the peripheral side surface of the hollow main shaft is provided with external threads; the external thread is in threaded rotation fit with a tensioning piece; the tensioning piece is in sliding fit with the mounting groove and the corresponding positioning groove respectively.
The utility model is further provided with: an arc plate is fixedly connected between the side surfaces of the fixing rings and the adjacent mounting grooves; the end covers are in sliding fit with the arc plates.
The utility model is further provided with: an annular stop block is arranged inside the hollow main shaft; a sealing plug is arranged on the side face of the end cover; the sealing plug is in plug-in fit with the hollow main shaft.
The utility model is further provided with: the device also comprises a supporting seat; the oil-free bearing is arranged on the supporting seat; the hollow main shaft is in running fit with the oilless bearing.
The utility model is further provided with: the tension member includes: the thread ring is in running fit with the external thread on the hollow main shaft;
the annular rotating plate is rotatably arranged on the side surface of the threaded ring; the U-shaped rods are arranged on the side surfaces of the annular rotating plate; an L-shaped plate is rotatably arranged on the U-shaped rod; the L-shaped plate is respectively in sliding fit with the mounting groove and the corresponding positioning groove.
The utility model is further provided with: the peripheral side surface of the hollow main shaft is fixedly connected with a first fixing plate; the peripheral side surface of the thread ring is fixedly connected with a second fixing plate; the first fixing plate is fixedly connected with the second fixing plate through a fastening bolt; the side of the periphery of the thread ring is provided with a handle rod.
The utility model has the advantages that:
according to the utility model, the end cover is inserted into the end part of the hollow main shaft in a sliding manner along each group of arc-shaped plates, the handle rod is rotated to drive the threaded ring to rotate and advance along the external threads on the hollow main shaft, each group of L-shaped plates slide along the corresponding mounting grooves, the end cover is pulled to tightly prop against the end part of the hollow main shaft, and the first fixing plate and the second fixing plate are fixedly connected together through the fastening bolts, so that the hollow main shaft is sealed; when the end cover is required to be opened, only the fastening bolt is required to be taken down, the threaded ring is reversely rotated, the operation is simple, and the mounting and dismounting difficulties of the end cover are reduced.
Drawings
FIG. 1 is a schematic structural view of a main shaft sealing structure of a ball mill according to the present utility model;
FIG. 2 is a schematic structural view of the hollow spindle of the present utility model;
FIG. 3 is a schematic view of the structure of the end cap of the present utility model;
FIG. 4 is a schematic view of the structure of the tension member of the present utility model;
in the figure: 1. ball mill; 2. a hollow main shaft; 3. a fixing ring; 4. a mounting groove; 5. an end cap; 6. a positioning groove; 7. a tension member; 8. a second fixing plate; 9. an arc-shaped plate; 10. an annular stop; 11. a sealing plug; 12. a support base; 13. an oilless bearing; 14. a threaded ring; 15. an annular rotating plate; 16. a U-shaped rod; 17. an L-shaped plate; 18. a first fixing plate; 19. a handle bar.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Example 1
Referring to fig. 1-4, the first embodiment provides the following technical solutions:
the main shaft sealing structure of the ball mill comprises a ball mill 1 and a hollow main shaft 2 arranged at the end part of the ball mill 1; the end part of the hollow main shaft 2 is fixedly connected with a fixed ring 3; the side surface of the periphery of the fixed ring 3 is provided with a mounting groove 4; the hollow main shaft 2 is spliced and matched with an end cover 5; positioning grooves 6 are distributed on the circumferential side surface of the end cover 5 in a circumferential array; external threads are formed on the side surface of the periphery of the hollow main shaft 2; the external thread is in threaded rotation fit with a tensioning piece 7; the tensioning pieces 7 are respectively in sliding fit with the mounting grooves 4 and the corresponding positioning grooves 6.
The specific implementation manner of the first embodiment is as follows: by sliding the end cap 5 into the end of the hollow spindle 2 in an oriented manner, the threaded ring 14 on the tensioning member 7 is rotated along the external threads on the peripheral side of the hollow spindle 2, and the tensioning member 7 is driven to rotate and advance, so that the L-shaped plate 17 on the tensioning member 7 is driven to tension the end cap 5.
Example two
Referring to fig. 2 and 3, the second embodiment provides the following technical solutions on the premise of the first embodiment:
an arc-shaped plate 9 is fixedly connected between the adjacent mounting grooves 4 on the side surface of the fixed ring 3; the end cover 5 is in sliding fit with each arc-shaped plate 9; an annular stop block 10 is arranged inside the hollow main shaft 2; the side surface of the end cover 5 is provided with a sealing plug 11; the sealing plug 11 is in plug-in fit with the hollow main shaft 2; also comprises a supporting seat 12; the oil-free bearing 13 is arranged on the supporting seat 12; the hollow main shaft 2 is in rotary fit with the oilless bearing 13.
The specific implementation manner of the second embodiment is as follows: through the arrangement of each group of arc plates 9, the end cover 5 is guided and supported, so that the end cover 5 is conveniently opened and sealed.
Example III
Referring to fig. 2-4, the third embodiment provides the following technical solutions on the premise of the first embodiment:
the tension member 7 includes: a threaded ring 14, an annular rotating plate 15 and a plurality of U-shaped rods 16; the thread ring 14 is in threaded rotation fit with the external thread on the hollow spindle 2; the annular rotating plate 15 is rotatably arranged on the side surface of the threaded ring 14; a plurality of U-shaped rods 16 are arranged on the side surface of the annular rotating plate 15; an L-shaped plate 17 is rotatably arranged on the U-shaped rod 16; the L-shaped plate 17 is respectively in sliding fit with the mounting groove 4 and the corresponding positioning groove 6; the first fixing plate 18 is fixedly connected to the side surface of the periphery of the hollow main shaft 2; the peripheral side surface of the threaded ring 14 is fixedly connected with a second fixing plate 8; the first fixing plate 18 is fixedly connected with the second fixing plate 8 through a fastening bolt; the peripheral sides of the threaded ring 14 are provided with handle bars 19.
The third embodiment of the present utility model is as follows: the end cover 5 is inserted into the end part of the hollow main shaft 2 in a sliding manner along each group of arc plates 9, the handle rod 19 is rotated to drive the threaded ring 14 to rotate and advance along the external threads on the hollow main shaft 2, each group of L-shaped plates 17 slides along the corresponding mounting groove 4, the end cover 5 is pulled to tightly prop against the end part of the hollow main shaft 2, and the first fixing plate 18 and the second fixing plate 8 are fixedly connected together through the fastening bolts, so that the hollow main shaft 2 is sealed; when the end cover 5 is required to be opened, only the fastening bolt is required to be removed, the threaded ring 14 is reversely rotated, the operation is simple, and the mounting and dismounting difficulties of the end cover 4 are reduced.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (6)
1. The main shaft sealing structure of the ball mill comprises the ball mill (1) and a hollow main shaft (2) arranged at the end part of the ball mill (1); the method is characterized in that:
the end part of the hollow main shaft (2) is fixedly connected with a fixed ring (3); the peripheral side surface of the fixed ring (3) is provided with a mounting groove (4);
the hollow main shaft (2) is in plug-in fit with an end cover (5); positioning grooves (6) are distributed on the peripheral side surface of the end cover (5) in a circumferential array;
external threads are formed on the peripheral side surface of the hollow main shaft (2); the external thread is in threaded rotation fit with a tensioning piece (7); the tensioning piece (7) is respectively in sliding fit with the mounting groove (4) and the corresponding positioning groove (6).
2. A ball mill spindle seal structure according to claim 1, wherein: an arc-shaped plate (9) is fixedly connected between the side surfaces of the fixed rings (3) and the adjacent mounting grooves (4); the end cover (5) is in sliding fit with each arc-shaped plate (9).
3. A ball mill spindle seal structure according to claim 1, wherein: an annular stop block (10) is arranged in the hollow main shaft (2); a sealing plug (11) is arranged on the side face of the end cover (5); the sealing plug (11) is in plug-in fit with the hollow main shaft (2).
4. A ball mill spindle seal according to claim 3, wherein: also comprises a supporting seat (12); an oilless bearing (13) is arranged on the supporting seat (12); the hollow main shaft (2) is in running fit with the oilless bearing (13).
5. A ball mill spindle seal structure according to claim 1, wherein: the tension member (7) comprises:
the thread ring (14), the said thread ring (14) cooperates with external thread screw thread on the hollow main shaft (2) rotatably;
the annular rotating plate (15) is rotatably arranged on the side surface of the threaded ring (14);
a plurality of U-shaped rods (16), wherein the U-shaped rods (16) are arranged on the side surfaces of the annular rotating plates (15); an L-shaped plate (17) is rotatably arranged on the U-shaped rod (16); the L-shaped plate (17) is respectively in sliding fit with the mounting groove (4) and the corresponding positioning groove (6).
6. The ball mill spindle sealing structure according to claim 5, wherein: the peripheral side surface of the hollow main shaft (2) is fixedly connected with a first fixing plate (18); the peripheral side surface of the threaded ring (14) is fixedly connected with a second fixing plate (8); the first fixing plate (18) is fixedly connected with the second fixing plate (8) through a fastening bolt; the peripheral side surfaces of the threaded rings (14) are provided with handle bars (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321126546.2U CN220151885U (en) | 2023-05-11 | 2023-05-11 | Main shaft sealing structure of ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321126546.2U CN220151885U (en) | 2023-05-11 | 2023-05-11 | Main shaft sealing structure of ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151885U true CN220151885U (en) | 2023-12-08 |
Family
ID=89006175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321126546.2U Active CN220151885U (en) | 2023-05-11 | 2023-05-11 | Main shaft sealing structure of ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151885U (en) |
-
2023
- 2023-05-11 CN CN202321126546.2U patent/CN220151885U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sealing structure for the spindle of a ball mill Granted publication date: 20231208 Pledgee: Bank of China Limited Zhengzhou Shangjie District Branch Pledgor: Zhengzhou Hongxiang high tech materials Co.,Ltd. Registration number: Y2024980003138 |