Material screening structure of circulating type stirring ball mill
By setting up a boss at the bottom end of the screen barrel of the circulating stirring ball mill and connecting the stopper to the fastener of the barrel, the problem of loosening and falling of the screen under long-term impact is solved, and the working efficiency of the ball mill is improved.
Patent Information
- Application Number
- CN202421812238.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The screen of existing circulating stirring ball mills is prone to loosen and fall off under long-term impact, which affects the working efficiency of the ball mill.
A circular stirring ball mill screen structure is designed. By setting a boss at the bottom of the screen barrel and connecting it with the fastener of the barrel with a limiting member, it ensures that the screen barrel is firmly fixed to the barrel.
It effectively prevents the screen from falling off under the impact of materials and improves the working efficiency of the ball mill.
Smart Images

Figure CN222943592U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of ball mills, and in particular relates to a screening material structure of a circulating stirring ball mill. Background Art
[0002] The feeding method of the circulating stirring ball mill is that the material impacts from bottom to top. A screen is set at the existing feed port, but the screen is connected to the cylinder feed port by bolts set on the side. The long-term impact of the material on the screen can easily cause the bolts to loosen, and then cause the screen to fall, which will eventually affect the working efficiency of the entire ball mill. Therefore, it is necessary to design a circulating stirring ball mill screening structure to solve the above problems. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a circulating stirred ball mill screening structure to solve the problem raised in the above background technology that the screen at the feed inlet of the circulating stirred ball mill on the existing market is easy to fall off under long-term impact and thus affect the efficiency of the ball mill.
[0004] In order to achieve the above object, the technical solution of the utility model is as follows:
[0005] The screening structure of a circulating stirring ball mill comprises a barrel, the barrel is provided with a feed port, a screen barrel with an empty groove at the bottom is installed at the feed port, a boss is extended from the bottom end of the side wall of the screen barrel away from the empty groove, a limit piece is provided at the bottom end of the screen barrel, the limit piece is connected to the barrel by a fastener, and a groove matching the boss is provided on the side of the limit piece close to the screen barrel.
[0006] As a further improvement of the utility model, a plurality of sieve holes are provided in the middle of the top end of the sieve cylinder.
[0007] As a further improvement to the present invention, the barrel is provided with a first fastening hole matching the fastener, and the limiting member is provided with a second fastening hole matching the fastener.
[0008] As a further improvement to the present invention, the fastener includes any one of a bolt and a screw.
[0009] As a further improvement of the utility model, the limiting member includes a limiting plate abutting against the screen cylinder, the limiting plate is provided with a circular groove, a funnel-shaped receiving cylinder is provided at the bottom end of the limiting plate, and a feed pipe is provided at the bottom end of the receiving cylinder.
[0010] As a further improvement to the present invention, the limiting plate, the receiving tube and the feed pipe are integrally formed.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The utility model arranges a boss on the periphery of the bottom end of the screen drum, the boss is tightly attached to the barrel, and then fixes the screen drum on the barrel through a limiting piece. The groove on the limiting piece just clamps the boss, so that the screen drum is stably fixed on the barrel, and the barrel will not fall off even if the material impacts the top of the barrel upward, thereby improving the working efficiency of the ball mill. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the prior art;
[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.
[0016] The names represented by the part numbers in the above two schematic diagrams are as follows:
[0017] 1. Barrel; 11. Feed inlet; 12. First fastening hole;
[0018] 2. sieve cylinder; 21. sieve hole; 22. empty slot; 23. boss;
[0019] 3. Limiting member; 31. Groove; 32. Second fastening hole; 33. Limiting plate; 34. Circular groove; 35. Receiver tube; 36. Feeding pipe;
[0020] 4. Fasteners. DETAILED DESCRIPTION
[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] The utility model provides the following embodiments:
[0023] The screening structure of the circulating stirring ball mill comprises a barrel 1, the barrel 1 is provided with a feed inlet 11, a screen barrel 2 with an empty slot 22 at the bottom is installed at the feed inlet 11, a plurality of screen holes 21 are provided in the middle of the top of the screen barrel 2, the material is blown from the screen barrel 2 into the barrel 1, a boss 23 is extended from the bottom of the side wall of the screen barrel 2 away from the empty slot 22, a limiter 3 is provided at the bottom of the screen barrel 2, the limiter 3 is connected to the barrel 1 through a fastener 4, and a groove 31 matched with the boss 23 is provided on the side of the limiter 3 close to the screen barrel 2; the utility model arranges the boss 23 at the periphery of the bottom end of the screen barrel 2, the boss 23 is tightly attached to the barrel 1, and then the screen barrel 2 is fixed on the barrel 1 through the limiter 3, the groove 31 on the limiter 3 just clamps the boss 23, so that the screen barrel 2 is stably fixed on the barrel 1, so that even if the material impacts the top of the barrel 1 upward, the barrel 1 will not fall off, thereby improving the working efficiency of the ball mill;
[0024] The barrel 1 is provided with a first fastening hole 12 matching with the fastener 4, the stopper 3 is provided with a second fastening hole 32 matching with the fastener 4, the fastener 4 includes any one of a bolt and a screw, the first fastening hole 12 and the second fastening hole 32 are aligned, and then the fastener 4 is tightened to stably fix the stopper 3 and the screen barrel 2 on the barrel 1;
[0025] The limiting member 3 includes a limiting plate 33 abutting against the screen drum 2, the limiting plate 33 is provided with a circular groove 34, a funnel-shaped receiving cylinder 35 is provided at the bottom end of the limiting plate 33, a feed pipe 36 is provided at the bottom end of the receiving cylinder 35, the limiting plate 33, the receiving cylinder 35 and the feed pipe 36 are integrally formed, the material enters the screen drum 2 from the feed pipe 36 and then enters the material drum 1, and then the filtered material falls back into the receiving cylinder 35 and flows out from the feed pipe 36 along the wall of the receiving cylinder 35.
[0026] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. The circulating stirring ball mill screening structure is characterized by: The invention comprises a material barrel (1), wherein the material barrel (1) is provided with a feed port (11), a screen barrel (2) having a bottom provided with a hollow groove (22) is installed at the feed port (11), a boss (23) is extended from the bottom end of the side wall of the screen barrel (2) in a direction away from the hollow groove (22), a limiting member (3) is provided at the bottom end of the screen barrel (2), the limiting member (3) is connected to the material barrel (1) via a fastener (4), and a groove (31) adapted to the boss (23) is provided on the side of the limiting member (3) close to the screen barrel (2).
2. The circulating stirring ball mill screening structure according to claim 1 is characterized in that: A plurality of sieve holes (21) are provided in the middle of the top end of the sieve cylinder (2).
3. The circulating stirring ball mill screening structure according to claim 2 is characterized in that: The barrel (1) is provided with a first fastening hole (12) matching the fastener (4), and the limiting member (3) is provided with a second fastening hole (32) matching the fastener (4).
4. The circulating stirring ball mill screening structure according to claim 3 is characterized in that: The fastener (4) comprises any one of a bolt and a screw.
5. The circulating stirring ball mill screening structure according to claim 4 is characterized in that: The limiting member (3) comprises a limiting plate (33) abutting against the screen cylinder (2), the limiting plate (33) being provided with a circular groove (34), a funnel-shaped receiving cylinder (35) being provided at the bottom end of the limiting plate (33), and a feed pipe (36) being provided at the bottom end of the receiving cylinder (35).
6. The circulating stirring ball mill screening structure according to claim 5 is characterized in that: The limiting plate (33), the receiving tube (35) and the feeding pipe (36) are integrally formed.