Ball mill foot margin protection mechanism
By setting up upper and lower rubber sleeves on the outer ring of the anchor bolt of the ball mill and locking them with nuts, contact wear between the thread and the bearing seat plate is avoided, and moisture contact is prevented through the waterproof sleeve, the problems of wear and rust of the bearing seat of the ball mill are solved, and the problem of wear and rust of the bearing seat of the ball mill is achieved. Better sealing and protection.
Patent Information
- Application Number
- CN202323467813.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-19
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-19
AI Technical Summary
The bearing seat of the ball mill wears due to vibration during operation and is prone to rust, especially in water-sinking environments.
A ball mill foot protection mechanism is designed. By setting up an upper rubber sleeve and a lower rubber sleeve above and below the bearing seat plate, and locking the structure with nuts to avoid contact between the surface threads of the anchor bolts and the bearing seat plate. Put a waterproof cover to prevent moisture from contact.
It effectively avoids wear and rust of anchor bolts, and improves the service life and protective effect of the equipment.
Smart Images
Figure CN222240563U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foot protection, in particular to a foot protection mechanism for a ball mill. Background Art
[0002] Ceramic substrate refers to a special process board in which copper foil is directly bonded to the surface (single or double sides) of alumina (Al2O3) or aluminum nitride (AlN) ceramic substrate at high temperature. The raw materials for its production need to be crushed using a ball mill. Ball mill is a key equipment for crushing materials after they are crushed. It is widely used in cement, silicate products, new building materials, refractory materials, fertilizers, ferrous and non-ferrous metal beneficiation, glass and ceramics and other production industries for dry or wet grinding of various ores and other grindable materials.
[0003] The bearing seat of the ball mill is connected and locked by anchor bolts. When working, the bearing seat will be vibrated and react with the anchor bolts, causing wear on the surface threads and easy rust after being exposed to water. Therefore, we propose a ball mill anchor protection mechanism. Utility Model Content
[0004] The utility model aims to provide a ball mill anchor protection mechanism, by arranging an upper rubber sleeve and a lower rubber sleeve to cover the outer rings of the anchor bolts above and below the bearing seat plate, and then covering the waterproof sleeve after locking the structure with a nut. During operation, the upper rubber sleeve and the lower rubber sleeve can prevent the surface threads of the anchor bolts from contacting with the through-holes of the bearing seat plate and being worn. The sealing effect of the upper rubber sleeve, the lower rubber sleeve and the waterproof sleeve can prevent the anchor bolts from contacting moisture and achieve the purpose of rust prevention, thereby solving the problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ball mill anchor protection mechanism, comprising a cement base, a bearing seat plate and an anchor bolt, wherein a bottom plate is laterally fixed to the bottom of the anchor bolt, the bottom plate is cast and fixed in the cement base, and the anchor bolt is passed through to the top of the cement base; a through hole is opened on the surface of the bearing seat plate, which is supported on the surface of the cement base so that the anchor bolt passes through the through hole to the top of the bearing seat plate, a lower rubber sleeve and a lower gasket are sleeved on the outer ring of the anchor bolt below the bearing seat plate, the upper half of the lower rubber sleeve abuts against the lower inner part of the through hole, an upper rubber sleeve and an upper gasket are sleeved on the outer ring of the anchor bolt above the bearing seat plate, the lower half of the upper rubber sleeve abuts against the lower upper inner part of the through hole; a nut is screwed on the upper outer ring of the anchor bolt, the lower part of the nut abuts against the surface of the upper gasket, and a waterproof sleeve is sleeved on the upper outer ring of the nut.
[0006] By adopting the above technical scheme, the outer rings of the anchor bolts above and below the bearing seat plate are respectively sleeved with upper rubber sleeves and lower rubber sleeves, and are pressed against the upper and lower insides of the through-holes. Then, a nut locking structure is used to prevent the threads from contacting the inner surface of the through-holes and being ground when the equipment is working. The anchor bolts can also be waterproofed by the upper rubber sleeve, the lower rubber sleeve and the waterproof sleeve to prevent rusting due to contact with moisture.
[0007] Optionally, the surfaces of the upper gasket and the lower gasket are both provided with through openings, and the anchor bolts pass through the upper gasket and the lower gasket through the through openings.
[0008] By adopting the above technical solution, the anchor bolts can pass through the opening opened in the middle of the upper gasket and the lower gasket.
[0009] Optionally, an annular groove communicating with the through-hole is provided on the outer ring surface above the through-hole, and the upper half of the upper rubber sleeve is pressed tightly against the upper annular groove.
[0010] By adopting the above technical solution, the positioning effect of the upper rubber sleeve can be achieved and the sealing effect can be obtained.
[0011] Optionally, an annular groove communicating with the through-hole is provided on the outer ring surface below the through-hole, and the lower half of the lower rubber sleeve is tightly pressed against the annular groove below.
[0012] By adopting the above technical solution, the positioning effect of the lower rubber sleeve can be achieved and the sealing effect can be obtained.
[0013] Optionally, a bottom groove is provided on the surface of the cement base at the lower gasket, and the lower gasket support is placed in the bottom groove.
[0014] By adopting the above technical solution, the lower gasket is supported in the bottom groove to achieve the purpose of positioning.
[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0016] 1. The technical solution of the present application is to set an upper rubber sleeve and a lower rubber sleeve to cover the outer ring of the anchor bolts above and below the bearing seat plate, and tightly contact the inner surfaces above and below the through-holes. A nut is connected to the outer ring of the anchor bolt to lock the structure and then a waterproof sleeve is put on. During operation, the upper rubber sleeve and the lower rubber sleeve can prevent the surface threads of the anchor bolts from contacting with the through-holes of the bearing seat plate and being worn. The sealing effect of the upper rubber sleeve, the lower rubber sleeve and the waterproof sleeve can prevent the anchor bolts from contacting moisture and achieve the purpose of rust prevention.
[0017] 2. The technical solution of the present application can achieve a better sealing effect on the hole by making the upper rubber sleeve and the lower rubber sleeve partially contact the annular grooves above and below the hole. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0019] Figure 1 This is a schematic diagram of the overall structure of the ball mill foot protection mechanism of the utility model;
[0020] Figure 2 The utility model is a schematic diagram of the surface structure of the bearing seat plate at the penetration of the foot protection mechanism of the ball mill.
[0021] In the figure: 1, cement base; 11, bottom groove; 2, bearing seat plate; 21, through-hole; 211, ring groove; 3, anchor bolt; 31, bottom plate; 4, lower gasket; 41, lower rubber sleeve; 5, upper gasket; 51, upper rubber sleeve; 6, through-hole; 7, nut; 71, waterproof sleeve. DETAILED DESCRIPTION
[0022] See also Figure 1-2 The utility model provides a technical solution: a ball mill foundation protection mechanism, comprising a cement base 1, a bearing seat plate 2 and an anchor bolt 3, a bottom plate 31 is transversely fixed to the bottom of the anchor bolt 3, the bottom plate 31 is cast and fixed in the cement base 1, and the anchor bolt 3 is passed through the top of the cement base 1, an external thread for a nut 7 to be screwed on is arranged around the top of the outer ring of the anchor bolt 3, and the anchor bolt 3 is vertically placed on the surface of the cement base 1.
[0023] A through hole 21 is provided on the surface of the bearing seat plate 2, which passes through from top to bottom. The inner diameter of the through hole 21 is larger than the diameter of the anchor bolt 3 to ensure that the anchor bolt 3 can pass through. Annular grooves 211 are provided around the upper outer ring and the lower outer ring of the through hole 21, and the annular groove 211 is connected to the inside of the through hole 21. A bottom groove 11 is provided on the surface of the cement base 1 of the outer ring of the anchor bolt 3, and the inner diameter of the bottom groove 11 is the same as the inner diameter of the annular groove 211.
[0024] When fixing the bearing seat plate 2 of the bearing seat, first, sleeve the lower gasket 4 with the lower rubber sleeve 41 fixed on the surface on the outer ring of the anchor bolt 3, pass the anchor bolt 3 through the through hole 6 opened on the surface of the lower gasket 4, and support the bottom part of the lower gasket 4 and the lower rubber sleeve 41 in the bottom groove 11, then align the through hole 21 with the anchor bolt 3 and lower the height of the bearing seat plate 2, so that the bottom outer ring of the lower rubber sleeve 41 is tightly pressed against the annular groove 211 below, and the upper half of the outer ring of the upper rubber sleeve 51 is tightly pressed against the inner surface of the through hole 21, so as to obtain the limit and seal of the bottom of the through hole 21, and the anchor bolt 3 passes through the through hole 21 to the top of the bearing seat plate 2.
[0025] Then, the upper gasket 5 with the upper rubber sleeve 51 fixed on the surface is sleeved on the outer ring of the anchor bolt 3 above the bearing seat plate 2, so that the anchor bolt 3 passes through the through hole 6 opened on the surface of the upper gasket 5, and the bottom outer ring of the upper rubber sleeve 51 is pressed against the upper inner surface of the through hole 21, and the upper half of the outer ring of the upper rubber sleeve 51 is pressed against the upper annular groove 211, and then a nut 7 is screwed on the upper outer ring of the anchor bolt 3, and the lower part of the nut 7 is pressed against the surface of the upper gasket 5, pressing the upper gasket 5 downward and locking the structure. The upper rubber sleeve 51 and the lower rubber sleeve 41 can prevent the surface thread of the anchor bolt 3 from contacting with the through hole 21 of the bearing seat plate 2 and being worn.
[0026] Finally, the upper outer ring of the nut 7 is covered with an upper waterproof sleeve 71, which can achieve a good sealing effect at the connection between the nut 7 and the anchor bolt 3. The sealing effect of the lower rubber sleeve 41 and the upper rubber sleeve 51 on the through hole 21 can prevent the anchor bolt 3 from contacting moisture and has a rust-proof effect.
[0027] When installing the bearing seat of the ball mill, the bearing seat is lifted and moved by a crane, and the lower gasket 4 with the descending rubber sleeve located above is first sleeved on the outer ring of the anchor bolt 3, and the bottom part of the lower gasket 4 and the rubber sleeve is placed in the bottom groove 11 on the surface of the cement base 1 for position support, and sleeved on the outer ring of the anchor bolt 3, and then the through-hole 21 on the surface of the bearing seat plate 2 of the bearing seat is aligned with the anchor bolt 3, and then the height is lowered so that the anchor bolt 3 passes through the through-hole 21 to the top of the bearing seat plate 2, and the lower outer ring of the lower rubber sleeve 41 is pressed against the annular groove 211 on the surface of the bearing seat plate 2 below the through-hole 21, and the upper half of the lower rubber sleeve 41 is pressed against the lower inner part of the through-hole 21, and then the upper rubber sleeve 51 is directed downward so that the upper gasket 5 is sleeved on the anchor bolt The outer ring of the bolt 3 is tightened, and the lower half of the upper rubber sleeve 51 is pressed against the upper inner part of the through-opening 21, and the upper plate part of the upper rubber sleeve 51 is pressed against the annular groove 211 above the through-opening 21. Finally, the nut 7 is tightened and locked on the upper outer ring of the anchor bolt 3, and pressed downward against the surface of the upper gasket 5 to achieve the locking of the structure. Finally, the waterproof sleeve 71 is sleeved on the outer ring of the nut 7 to achieve waterproof protection of the connection between the nut 7 and the anchor bolt 3. When the ball mill is working, the upper rubber sleeve 51 and the lower rubber sleeve 41 can prevent the surface thread of the anchor bolt 3 from contacting with the through-opening 21 of the bearing seat plate 2 and being worn. The sealing effect of the upper rubber sleeve 51, the lower rubber sleeve 41 and the waterproof sleeve 71 prevents the anchor bolt 3 from contacting moisture, and has a rust-proof effect.
Claims
1. A ball mill foundation protection mechanism, comprising a cement base (1), a bearing seat plate (2) and foundation bolts (3), characterized in that: A bottom plate (31) is transversely fixed to the bottom of the anchor bolt (3), the bottom plate (31) is cast and fixed in the cement base (1), and the anchor bolt (3) is passed through to the top of the cement base (1); The surface of the bearing seat plate (2) is provided with a through hole (21) which passes through from top to bottom. The bearing seat plate (2) is supported on the surface of the cement base (1) so that the anchor bolts (3) pass through the through hole (21) to the top of the bearing seat plate (2). The outer ring of the anchor bolts (3) below the bearing seat plate (2) is sleeved with a lower rubber sleeve (41) and a lower gasket (4). The upper half of the lower rubber sleeve (41) abuts against the lower interior of the through hole (21). The outer ring of the anchor bolts (3) above the bearing seat plate (2) is sleeved with an upper rubber sleeve (51) and an upper gasket (5). The lower half of the upper rubber sleeve (51) abuts against the lower upper interior of the through hole (21). The upper outer ring of the anchor bolt (3) is screwed with a nut (7), the lower part of the nut (7) is pressed against the surface of the upper gasket (5), and the upper outer ring of the nut (7) is sleeved with a waterproof sleeve (71).
2. A ball mill foot protection mechanism according to claim 1, characterized in that: Through openings (6) are provided on the surfaces of the upper gasket (5) and the lower gasket (4), and the anchor bolts (3) pass through the through openings (6) and penetrate the upper gasket (5) and the lower gasket (4).
3. A ball mill foot protection mechanism according to claim 1, characterized in that: An annular groove (211) communicating with the through-hole (21) is formed on the outer ring surface above the through-hole (21), and the upper half of the upper rubber sleeve (51) is tightly pressed against the upper annular groove (211).
4. A ball mill foot protection mechanism according to claim 1, characterized in that: An annular groove (211) communicating with the through-hole (21) is formed on the outer ring surface below the through-hole (21), and the lower half of the lower rubber sleeve (41) is tightly pressed against the annular groove (211) below.
5. The ball mill foot protection mechanism according to claim 1, characterized in that: A bottom groove (11) is provided on the surface of the cement base (1) at the lower gasket (4), and the lower gasket (4) is supported and placed in the bottom groove (11).