CN217368611U - Sealing connection structure for rod mill lining plate - Google Patents
Sealing connection structure for rod mill lining plate Download PDFInfo
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- CN217368611U CN217368611U CN202220718946.1U CN202220718946U CN217368611U CN 217368611 U CN217368611 U CN 217368611U CN 202220718946 U CN202220718946 U CN 202220718946U CN 217368611 U CN217368611 U CN 217368611U
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- rod mill
- sealing
- connection structure
- bolt
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Abstract
The utility model discloses a sealing connection structure for a rod mill lining plate, which comprises a rod mill cylinder body, an inner lining plate and a bolt, wherein the bolt is used for connecting the rod mill cylinder body with the inner lining plate in a penetrating way; the sealing assembly comprises a supporting sleeve fixedly connected with the rod mill barrel, a flat supporting plate is fixedly arranged on the supporting sleeve, a sealing gasket and a pressing plate are tightly arranged between the flat supporting plate and the locking nut in a supporting mode, and one side of the sealing gasket is matched with the flat supporting plate to be provided with a flat contact surface. The utility model discloses an increased support cover and flat layer board on current rod mill barrel for the plane between rubber pad and the rod mill barrel among the prior art and the cooperation of curved surface have changed biplane's cooperation, great improvement sealed reliability of filling up, make sealed the pad can produce even deformation when being pressed by the clamp plate, do benefit to and realize long-term reliable sealed effect.
Description
Technical Field
The utility model relates to a rod mill technical field especially relates to a sealing connection structure for rod mill welt.
Background
The rod mill is a mill with a steel rod as a grinding body loaded in a cylinder, because the grinding rod of the rod mill is in line contact with a product to be ground, the product ground by the rod mill has uniform granularity, less over-grinding phenomenon and higher grinding efficiency, and is widely applied to the grinding process of ores or rocks of metal and nonmetal mines, a lining plate is detachably arranged in the cylinder in order to protect the inner wall of the cylinder, the traditional lining plate is mostly connected with the cylinder through bolts, the structural sealing performance is poor, the leakage condition is easy to occur at the bolt connection part in the long-time use process, in order to solve the problem, a rod mill lining plate bolt sealing device is disclosed in the utility model patent specification with the publication number of 'CN 209423743U', a rubber pad is tightly pressed on the outer side of the cylinder to realize the sealing of the connection part, but the surface of the cylinder is a cambered surface, the contact surface of the rubber pad is a plane, although the rubber pad has certain elasticity and can be attached to the cylinder under the action of the gland nut, the forced deformation of the rubber pad is uneven, the sealing reliability is poor, the leakage condition can still occur in the long-time use process, and an improved space exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point, provide a sealing connection structure for rod mill welt to effectively solve the weak point that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a sealing connection structure for a rod mill lining plate comprises a rod mill cylinder, an inner lining plate and a bolt, wherein the rod mill cylinder and the inner lining plate are connected in a penetrating mode through the bolt;
the sealing assembly comprises a supporting sleeve fixedly connected with the rod mill barrel, a flat supporting plate is fixedly arranged on the supporting sleeve, a sealing gasket and a pressing plate are tightly arranged between the flat supporting plate and a locking nut in a supporting mode, one side of the sealing gasket is matched with the flat supporting plate to be provided with a flat contact surface, the other side of the sealing gasket is provided with a first conical contact surface, and the pressing plate is matched with the first conical contact surface to be provided with a second conical contact surface.
Furthermore, the support sleeve, the flat supporting plate, the sealing gasket and the pressing plate are provided with mounting holes matched with bolts.
Furthermore, the support sleeve is welded and fixed with the rod mill cylinder, and the flat supporting plate is welded and fixed with the support sleeve.
Furthermore, the outer side wall of the flat supporting plate matched with the sealing gasket is provided with a limiting edge body.
Further, the slope of the first tapered contact surface is greater than the slope of the second tapered contact surface.
Further, a sealing glue layer is arranged at one end, far away from the barrel body of the rod mill, of the bolt.
Furthermore, the sealing glue layer covers the joint of the bolt and the locking nut and the joint of the locking nut and the pressing plate.
The above technical scheme of the utility model following beneficial effect has: the utility model discloses an increased support cover and flat layer board on current rod mill barrel for the plane between rubber pad and the rod mill barrel among the prior art and the cooperation of curved surface have changed biplane's cooperation, great improvement sealed reliability of filling up, make sealed the pad can produce even deformation when being pressed by the clamp plate, do benefit to and realize long-term reliable sealed effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, the sealing connection structure for the lining plate of the rod mill in the embodiment includes a rod mill cylinder 1, an inner lining plate 2 and bolts 3, the bolts 3 connect the rod mill cylinder 1 and the inner lining plate 2 in a penetrating manner, the rod mill cylinder 1 and the inner lining plate 2 are provided with mounting holes respectively in cooperation with the bolts 3, the end portions of the bolts 3 are screwed with lock nuts 4, in order to improve the connection reliability, the number of the lock nuts 4 may be two or more, and a sealing assembly is provided between the rod mill cylinder 1 and the bolts 3.
The utility model discloses a seal assembly include with 1 fixed connection's of rod mill barrel support cover 5, support the fixed flat layer board 6 that is provided with on the cover 5, support tightly between flat layer board 6 and the lock nut 4 and be provided with sealed 7 and clamp plate 8, sealed one side cooperation flat layer board 6 of 7 of filling up is provided with flat contact surface, the opposite side of sealed 7 of filling up is provided with first awl contact surface 7a, and the first awl contact surface 7a of cooperation is provided with second awl contact surface 8a on the clamp plate 8, the utility model discloses an increase support cover 5 and flat layer board 6 on current rod mill barrel 1 for the plane between rubber pad and the rod mill barrel 1 among the prior art and the cooperation of curved surface have changed biplanar cooperation into, great improvement sealed reliability of filling up, make sealed the pad can produce even deformation when being extrudeed by the clamp plate, do benefit to the long-term reliable sealed effect of realizing.
And mounting holes are formed in the support sleeve 5, the flat supporting plate 6, the sealing gasket 7 and the pressing plate 8 in a matching mode with the bolts 3.
The supporting sleeve 5 and the flat supporting plate 6 are of a split structure, the supporting sleeve 5 and the rod mill cylinder body 1 are welded and fixed, the flat supporting plate 6 and the supporting sleeve 5 are welded and fixed, and of course, the supporting sleeve 5 and the flat supporting plate 6 can also be of an integrated structure.
The lateral wall that the sealed 7 of cooperation was sealed on the flat layer board 6 is provided with spacing edge body 6a, under spacing effect along body 6a, can restrict its inflation volume to the outside at the in-process that sealed 7 pressurized deformation, the leakproofness of the sealed 7 of reinforcing, preferably, spacing edge body 6a sets up with the laminating of clamp plate 8, can avoid appearing the sealed condition that sealed 7 is crushed like this, guarantees that sealed 7 of filling up is in good extrusion seal state.
The slope of the first conical contact surface 7a is greater than that of the second conical contact surface 8a, so that the gasket 7 is more prone to expand inwards in the compression deformation process, and the reliability of the fit between the gasket 7 and the bolt 3 and the fit between the flat supporting plate 6 and the pressing plate 8 can be better achieved.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a sealing connection structure for rod mill welt, includes rod mill barrel, interior welt and bolt, the bolt will rod mill barrel and interior welt cross-under, the tip spiro union of bolt has lock nut, its characterized in that: a sealing assembly is arranged between the rod mill cylinder and the bolt;
the sealing assembly comprises a supporting sleeve fixedly connected with the rod mill barrel, a flat supporting plate is fixedly arranged on the supporting sleeve, a sealing gasket and a pressing plate are tightly arranged between the flat supporting plate and a locking nut in a supporting mode, one side of the sealing gasket is matched with the flat supporting plate to be provided with a flat contact surface, the other side of the sealing gasket is provided with a first conical contact surface, and the pressing plate is matched with the first conical contact surface to be provided with a second conical contact surface.
2. A sealing connection structure for a rod mill liner according to claim 1, wherein: and mounting holes are formed in the support sleeve, the flat supporting plate, the sealing gasket and the pressing plate in a matching manner.
3. A sealing connection structure for a rod mill liner according to claim 1, wherein: the support sleeve is welded and fixed with the rod mill cylinder, and the flat supporting plate is welded and fixed with the support sleeve.
4. A sealing connection structure for a rod mill liner according to claim 1, wherein: and the outer side wall of the flat supporting plate matched with the sealing gasket is provided with a limiting edge body.
5. The sealing-connecting structure for a rod mill liner according to claim 4, wherein: the limiting edge body is attached to the pressing plate.
6. A sealing connection structure for a rod mill liner according to claim 1, wherein: the slope of the first conical contact surface is greater than the slope of the second conical contact surface.
7. A sealing connection structure for a rod mill liner according to claim 1, wherein: and a sealing glue layer is arranged at one end of the bolt far away from the barrel of the rod mill.
8. A sealing connection structure for a rod mill liner according to claim 7, wherein: the sealing glue layer coats the joint of the bolt and the locking nut and the joint of the locking nut and the pressing plate inside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220718946.1U CN217368611U (en) | 2022-03-30 | 2022-03-30 | Sealing connection structure for rod mill lining plate |
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Application Number | Priority Date | Filing Date | Title |
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CN202220718946.1U CN217368611U (en) | 2022-03-30 | 2022-03-30 | Sealing connection structure for rod mill lining plate |
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CN217368611U true CN217368611U (en) | 2022-09-06 |
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CN202220718946.1U Active CN217368611U (en) | 2022-03-30 | 2022-03-30 | Sealing connection structure for rod mill lining plate |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115475680A (en) * | 2022-10-12 | 2022-12-16 | 广东磊蒙重型机械制造有限公司 | Wet rod mill sand making machine and use method thereof |
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2022
- 2022-03-30 CN CN202220718946.1U patent/CN217368611U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115475680A (en) * | 2022-10-12 | 2022-12-16 | 广东磊蒙重型机械制造有限公司 | Wet rod mill sand making machine and use method thereof |
CN115475680B (en) * | 2022-10-12 | 2023-06-02 | 广东磊蒙重型机械制造有限公司 | Wet rod mill sand making machine and use method thereof |
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