Pendulum-type sealing ball mill bearing mechanism
By introducing an annular oil guide seat, oil reservoir, heat dissipation blades, and labyrinth seal structure into the bearing mechanism of the pendulum-type sealed ball mill, the problems of inconsistent lubrication, poor heat dissipation, and poor sealing performance are solved, achieving efficient lubrication, good heat dissipation, and optimized sealing, thus extending the service life of the bearing.
Patent Information
- Application Number
- CN202520972063.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-16
AI Technical Summary
The existing pendulum-type sealed ball mill bearing mechanism suffers from problems such as inconsistent lubrication, poor heat dissipation and sealing performance, which leads to easy bearing wear and poor protection.
A bearing mechanism was designed, comprising an annular oil guide seat, an oil reservoir, an oil drip pipe, heat dissipation blades, a silicone rubber sealing ring, and a labyrinth seal. The annular oil guide seat and the oil reservoir work together to achieve efficient and continuous lubrication; the heat dissipation blades provide air cooling; and the silicone rubber sealing ring and the labyrinth seal structure improve sealing performance.
It achieves efficient and continuous lubrication of the bearing, improves heat dissipation and sealing performance, extends the service life of the bearing, and enhances its protective capabilities.
Smart Images
Figure CN223953084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the design and manufacture technical field of sealing equipment, concretely is a pendulum type sealed ball mill bearing mechanism. BACKGROUND
[0002] The pendulum type sealed ball mill is suitable for the powder grinding of various chemical raw materials, such as the additive powder grinding of the industries such as pigment, paint, rubber, plastic etc., it can grind raw materials into superfine powder, improves its dispersibility and uniformity in chemical products, thereby improving the performance of chemical products, when actually operating, the motor starts, the grinding body in the cylinder body rotates and rises to a certain height under the action of centrifugal force and friction force, then freely falls under the action of gravity, impacts and grinds materials, at the same time, the materials are further crushed and ground under the impact and extrusion of pendulums, and the bearing mechanism occupies a key position on the pendulum type sealed ball mill, it is used for supporting rotating parts, reducing friction resistance, guaranteeing transmission accuracy and bearing impact and vibration, but, the existing pendulum type sealed ball mill bearing mechanism still has some problems when being used.
[0003] The pendulum type sealed ball mill bearing mechanism often needs manual addition of supplementary lubricating oil by workers, it does not have efficient and continuous lubricating structure, this leads to the easy wear of bearing mechanism, in addition, it only dissipates heat through the heat conduction of shell wall and external environment and only carries out contact type sealing protection through simple rubber ring, this causes the poor heat dissipation performance and sealing performance of bearing mechanism and the poor protection effect, therefore, we propose a new pendulum type sealed ball mill bearing mechanism. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a pendulum type sealed ball mill bearing mechanism to solve the problems in the above background technology.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a pendulum type sealed ball mill bearing mechanism, including the bearing seat, the inside one end of bearing seat is rotatively connected with the shaft body, one end of shaft body is provided with annular oil guide base, the outer wall of annular oil guide base near bearing seat one end is evenly provided with rolling limit slot, the rolling limit slot is rotatively connected with the ball, the outer wall of annular oil guide base is evenly connected with the oil storage cylinder, the output end of oil storage cylinder is provided with the oil drip pipe, the outer wall of annular oil guide base is evenly provided with the heat dissipation blade that is equiangular arrangement, the oil storage cylinder is equipped with the silicon rubber sealing ring that is matched with bearing seat, the one end of silicon rubber sealing ring near bearing seat is provided with the labyrinth sealing protection piece, the outer wall of labyrinth sealing protection piece and the inner wall of bearing seat are evenly provided with the labyrinth groove and the labyrinth convex.
[0006] The rolling limiting grooves are arranged at equal angles on the outer side wall of the annular oil guide base; the annular oil guide base is internally provided with an oil distribution cavity, and the rolling limiting grooves and the oil distribution cavity are connected to each other, so that the oil distribution channel is optimized; a threaded assembly insertion rod is arranged on the oil storage cylinder outside the oil drip pipe, and the annular oil guide base and the threaded assembly insertion rod are in threaded connection, so that the oil storage cylinder can be independently disassembled and replaced on the annular oil guide base.
[0007] Preferably, the annular oil guide base extends transversely to the inside of the bearing seat, and the inner side wall of the bearing seat is provided with an annular groove matched with the rolling ball.
[0008] Preferably, the bearing seat and one end of the shaft body are both provided with a circular assembly piece.
[0009] Preferably, the circular assembly piece is uniformly provided with a buffer rubber fixing piece at the edge, and the buffer rubber fixing piece is provided with a fixing screw hole.
[0010] Preferably, the material of the heat dissipation fin is copper alloy.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] (1) The bearing assembly optimizes its own performance by being provided with an oil storage cylinder, etc., four equal-angle-distributed oil storage cylinders are additionally arranged on the outer wall of the annular oil guide base, and an oil drip pipe is arranged at the output end of the oil storage cylinder, so that when the pendulum type sealed ball mill is operated to make the shaft body rotate relative to the bearing seat, the four oil storage cylinders move with the shaft body, the lubricating oil in the oil storage cylinders is slowly dripped and thrown into the oil distribution cavity in the annular oil guide base through the oil drip pipe, and then the lubricating oil flows to the rolling limiting grooves connected thereto through the oil distribution cavity, and then the lubricating oil is carried out by the rolling rolling ball, which can ensure that the bearing structure is always in a good lubricating state during operation, and realizes high-efficiency and continuous lubrication effect.
[0013] (2) The bearing assembly optimizes its own structure by being provided with a heat dissipation fin, etc., when the pendulum type sealed ball mill is operated to make the shaft body rotate relative to the bearing seat, the outwardly protruding heat dissipation fins arranged on the annular oil guide base not only increase the heat dissipation area, but also can drive the surrounding gas to flow through the movement of the heat dissipation fins with the shaft body, so that the bearing structure is better air-cooled and heat-dissipated, the heating problem of the bearing structure is reduced, and the service life is prolonged.
[0014] (3) The technical scheme is characterized in that the bearing assembly is provided with a silicon rubber sealing ring, so that when the bearing assembly is used, on one hand, the silicon rubber sealing ring matched with the bearing seat is sleeved on the oil storage cylinder, thereby realizing the contact sealing protection of the bearing seat and the shaft body, and on the other hand, the non-contact sealing structure composed of the labyrinth sealing protection piece, the labyrinth groove and the labyrinth convex is arranged between the shaft body and the bearing seat, when the medium tries to pass through the sealing gap, the flow direction is changed in the labyrinth channel, thereby increasing the flow resistance and achieving the sealing purpose, and the sealing performance of the bearing assembly is optimized through the double sealing structure, and the user can realize the independent disassembly and replacement of the oil storage cylinder on the annular oil guide seat through the threaded connection between the annular oil guide seat and the threaded assembly rod. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view structural schematic diagram of the utility model.
[0016] Figure 2 It is a side view sectional structure schematic diagram of the utility model.
[0017] Figure 3 It is a side view sectional structure schematic diagram of the annular oil guide seat of the utility model.
[0018] Figure 4 It is a front view structural schematic diagram of the silicon rubber sealing ring of the utility model.
[0019] Figure 5 It is a front view structural schematic diagram of the disassembled state of the oil storage cylinder of the utility model.
[0020] In the drawing: 1, bearing seat; 2, circular assembly piece; 3, oil storage cylinder; 4, annular oil guide seat; 5, heat dissipation blade; 6, shaft body; 7, silicon rubber sealing ring; 8, buffer rubber fixing piece; 9, ball; 10, rolling limiting groove; 11, labyrinth groove; 12, labyrinth convex; 13, labyrinth sealing protection piece; 14, oil drip pipe; 15, fixed screw hole; 16, oil distribution cavity; 17, threaded assembly rod. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-5The utility model provides a kind of embodiment of pendulum type sealed ball mill bearing mechanism, including bearing seat 1, the one end rotation connection of bearing seat 1 inside has shaft body 6, and the one end of shaft body 6 is provided with annular oil guide base 4;Annular oil guide base 4 is close to the outer wall of one end of bearing seat 1 and uniformly provided with rolling limit slot 10, and rolling ball 9 is connected on rolling limit slot 10;The outer side wall of annular oil guide base 4 is uniformly screw-connected with oil storage cylinder 3, and oil drip pipe 14 is arranged on the output end of oil storage cylinder 3;Annular oil guide base 4 is provided with oil distribution cavity 16 in the inside, and the inside of rolling limit slot 10 and oil distribution cavity 16 is connected, so that it optimizes oil distribution passage.
[0023] By being equipped with four equal-angle distribution oil storage cylinders 3 on the outer wall of annular oil guide base 4, and being provided with oil drip pipe 14 on the output end of oil storage cylinder 3, when pendulum type sealed ball mill runs to make shaft body 6 relative bearing seat 1 rotate, four oil storage cylinders 3 move with shaft body 6, so that the lubricating oil in its inside is slowly dripped and thrown into the oil distribution cavity 16 in the inside of annular oil guide base 4 through oil drip pipe 14, then the lubricating oil flows to the inside of rolling limit slot 10 connected therewith through oil distribution cavity 16, and then the lubricating oil is attached and taken out by rolling ball 9, which can ensure that bearing structure is always in good lubrication state when running, and realizes high-efficiency and continuous lubrication effect;The outer side wall of annular oil guide base 4 is uniformly provided with equal-angle arranged heat dissipation blades 5.
[0024] When pendulum type sealed ball mill runs to make shaft body 6 relative bearing seat 1 rotate, the outward protruding heat dissipation blades 5 arranged on annular oil guide base 4 not only increase heat conduction area, but also can drive surrounding gas flow through the movement of heat dissipation blades 5 with shaft body 6, so that bearing structure is better air-cooled and heat-dissipated, and the heating problem of bearing structure is reduced, which is conducive to prolonging its service life.
[0025] Silicone rubber sealing ring 7 matched with bearing seat 1 is sleeved on oil storage cylinder 3, and labyrinth sealing protection piece 13 is arranged at the end close to bearing seat 1 of silicone rubber sealing ring 7, and labyrinth groove 11 and labyrinth protrusion 12 are uniformly arranged on the outer side wall of labyrinth sealing protection piece 13 and the inner side wall of bearing seat 1.
[0026] By sleeving silicone rubber sealing ring 7 matched with bearing seat 1 on oil storage cylinder 3, contact sealing protection of bearing seat 1 and shaft body 6 is realized, and by installing labyrinth sealing protection piece 13, labyrinth groove 11 and labyrinth protrusion 12 between shaft body 6 and bearing seat 1, non-contact sealing structure is formed, when medium tries to pass through sealing gap, flow direction is changed in labyrinth passage for many times, so that flow resistance is increased, the purpose of sealing is achieved, and the sealing performance of bearing assembly is optimized through double sealing structure.
[0027] The rolling limiting grooves 10 are arranged at equal angles on the outer wall of the annular oil guide base 4; the threaded assembly plug 17 is arranged on the outer wall of the oil drip pipe 14; the annular oil guide base 4 and the threaded assembly plug 17 are in threaded connection, so that the oil storage cylinder 3 can be independently disassembled and replaced on the annular oil guide base 4; the annular oil guide base 4 extends transversely into the bearing seat 1, and the inner wall of the bearing seat 1 is provided with an annular groove matched with the ball 9; the bearing seat 1 and one end of the shaft body 6 are both provided with a circular assembly piece 2; the edge of the circular assembly piece 2 is uniformly provided with a buffer rubber fixing piece 8, and the buffer rubber fixing piece 8 is provided with a fixing screw hole 15; the material of the heat dissipation fin 5 is copper alloy.
[0028] When the device is used, the user can use the circular assembly piece 2 arranged on the bearing seat 1 and the shaft body 6, and then use the buffer rubber fixing piece 8 provided with the fixing screw hole 15 to assemble the bearing assembly on the pendulum type sealed ball mill through a screw. In specific operation, four equal-angle-distributed oil storage cylinders 3 are arranged on the outer wall of the annular oil guide base 4, and the oil drip pipe 14 is arranged at the output end of the oil storage cylinder 3, so that when the pendulum type sealed ball mill operates to make the shaft body 6 rotate relative to the bearing seat 1, the four oil storage cylinders 3 move with the shaft body 6, so that the lubricating oil in the oil storage cylinders 3 is slowly dripped and thrown into the oil distribution cavity 16 in the annular oil guide base 4 through the oil drip pipe 14, and then the lubricating oil flows into the rolling limiting groove 10 connected therewith through the oil distribution cavity 16, and then the lubricating oil is carried out by the rolling ball 9, which can ensure that the bearing structure is always in a good lubricating state during operation, and realizes high-efficiency and continuous lubrication effect.
[0029] Meanwhile, when the pendulum type sealed ball mill operates to make the shaft body 6 rotate relative to the bearing seat 1, the outwardly protruding heat dissipation fin 5 arranged on the annular oil guide base 4 not only increases the heat dissipation area, but also can drive the surrounding gas to flow through the movement of the heat dissipation fin 5 with the shaft body 6, so as to better air-cool and dissipate heat for the bearing structure, reduce the heating problem of the bearing structure, and be conducive to prolonging the service life of the bearing structure. In addition, the silicon rubber sealing ring 7 matched with the bearing seat 1 is sleeved on the oil storage cylinder 3, so as to realize the contact sealing protection of the bearing seat 1 and the shaft body 6, and the non-contact sealing structure composed of the labyrinth sealing protection piece 13, the labyrinth groove 11 and the labyrinth protrusion 12 arranged between the shaft body 6 and the bearing seat 1. When the medium tries to pass through the sealing gap, it will change the flow direction in the labyrinth channel for many times, so as to increase the flow resistance and achieve the sealing purpose. Furthermore, through the double sealing structure, the sealing performance of the bearing assembly is optimized. In addition, the user can use the threaded connection between the annular oil guide base 4 and the threaded assembly plug 17 to realize the independent disassembly and replacement of the oil storage cylinder 3 on the annular oil guide base 4.
Claims
1. A pendulum seal ball mill bearing mechanism, characterized by, The utility model provides a bearing seat (1), one end of the inside of bearing seat (1) is rotatably connected with shaft body (6), one end of shaft body (6) is provided with annular oil guide base (4), and the outer wall of the one end of bearing seat (1) is evenly provided with rolling limiting groove (10) close to annular oil guide base (4), and rolling limiting groove (10) is rotatably connected with ball (9), and the outer side wall of annular oil guide base (4) is evenly connected with oil storage cylinder (3) with thread, and the output end of oil storage cylinder (3) is provided with oil drip pipe (14), and the outer side wall of annular oil guide base (4) is evenly provided with the heat dissipation vane (5) of equiangular arrangement, and the oil storage cylinder (3) is sleeved with the silicon rubber sealing ring (7) matched with bearing seat (1), and the one end of silicon rubber sealing ring (7) is provided with labyrinth seal protection part (13) close to bearing seat (1), and the outer side wall of labyrinth seal protection part (13) and the inner side wall of bearing seat (1) are evenly provided with labyrinth groove (11) and labyrinth convex (12), the rolling limiting groove (10) is equiangular arrangement on the outer side wall of annular oil guide base (4), the inside of annular oil guide base (4) is provided with oil distribution cavity (16), and the inside of rolling limiting groove (10) and oil distribution cavity (16) is connected, the threaded assembly plug rod (17) is provided on the oil storage cylinder (3) outside the oil drip pipe (14), and the threaded connection is formed between annular oil guide base (4) and threaded assembly plug rod (17).
2. A pendulum seal ball mill bearing mechanism according to claim 1, characterized in that: The annular oil guide base (4) extends to the inside of bearing seat (1) transversely, and the inner side wall of bearing seat (1) is provided with annular groove matched with ball (9).
3. A pendulum seal ball mill bearing mechanism according to claim 1, characterized in that: The bearing seat (1) and one end of shaft body (6) are provided with circular assembly piece (2).
4. A pendulum seal ball mill bearing mechanism according to claim 3, characterized in that: The edge of circular assembly piece (2) is evenly provided with buffer rubber fixing piece (8), and the buffer rubber fixing piece (8) is provided with fixed screw hole (15).
5. A pendulum seal ball mill bearing mechanism according to claim 1, characterized in that: The material of heat dissipation vane (5) is copper alloy.