Adjustable Raymond mill powder locking device for bauxite
By introducing a combination of a powder locking cylinder, a worm gear, a worm and a servo motor into the Raymond mill, the problems of inconvenient adjustment and rapid wear of the powder locking structure are solved, the stability and reliability of the powder locking state and the convenience of disassembly and assembly are achieved, and the overall performance of the powder locker is improved.
Patent Information
- Application Number
- CN202422155496.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The powder locking structure of the existing Raymond mill is difficult to adjust, the powder locking control is unstable and wears quickly, and it is inconvenient to disassemble and assemble, resulting in poor powder locking reliability.
An adjustable powder locker for Raymond mill for bauxite is designed. It adopts a combination of powder lock cylinder, worm gear, worm and servo motor. The servo motor drives the worm and worm gear to realize the rotation adjustment of the powder lock plate in the powder lock cylinder. Combined with the sealing clamp ring and assembly mechanism, the powder lock structure is detachable and has good sealing performance.
It achieves stable and reliable powder locking state, precise adjustment, large transmission ratio, high self-locking stability, easy disassembly and assembly, and good sealing, which improves the reliability and service life of the powder locking structure.
Smart Images

Figure CN223300118U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of Raymond mill powder locking, in particular to an adjustable Raymond mill powder locking device for bauxite. Background Art
[0002] Bauxite is the best raw material for aluminum production and its primary application. Raymond mills are used in bauxite production for pulverization. Raymond mills are a common type of high-fine powder processing equipment. The main structure of a Raymond mill consists of a mainframe, analyzer, fan, finished product cyclone separator, fine powder cyclone separator, and air duct. The mainframe consists of a frame, air inlet volute, scraper, grinding roller, grinding ring, and housing. During operation, the material to be crushed is fed into the mill through the feed hopper on the side of the housing. The grinding roller, suspended from the mainframe's plum blossom frame, revolves around its vertical axis while rotating on its own. Due to the centrifugal force of rotation, the grinding roller swings outward, pressing against the grinding ring, causing the scraper to scoop up the material and send it between the grinding roller and the grinding ring. The rolling and crushing of the grinding roller achieves the purpose of crushing the material.
[0003] At present, although the Raymond mill can achieve the purpose of locking powder by setting a plug at the bottom of the collecting hopper, the plugging and powder locking are inconvenient to control and adjust, the powder lock wears quickly, the powder locking structure is inconvenient to replace and disassemble on the Raymond mill, and the powder locking reliability is poor. Utility Model Content
[0004] The purpose of the utility model is to provide an adjustable powder locker for a Raymond mill for bauxite, so as to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable Raymond mill powder locker for bauxite, comprising a powder locking cylinder, which is arranged at the bottom of a collecting bucket through an assembly mechanism, and the collecting bucket is arranged at the bottom of the Raymond mill body. A control panel is provided on one side of the Raymond mill body, and support frames are provided on opposite sides of the Raymond mill body through connecting plates, and two support frames are provided. A powder locking plate is provided inside the powder locking cylinder, and one end of the powder locking plate is connected to the powder locking cylinder through a sealing shaft seat, and the other end of the powder locking plate is connected to the actuator. A connecting cover is provided at the bottom of the powder locking cylinder, and a movable box is provided at the bottom of the connecting cover. A receiving interface is provided on the top of the movable box, and a movable wheel is provided at the bottom of the movable box.
[0006] Preferably, the actuator includes a worm gear, a worm and a servo motor. A worm gear and a worm are provided on one side of the powder locking barrel through an installation box. The worm gear and the worm are meshed with each other. One side of the worm gear is connected to one end of the powder locking plate through a connecting seat, and one end of the worm is connected to the output end of the servo motor on the installation box through a coupling.
[0007] Preferably, the assembly mechanism includes a No. 1 connecting plate, a No. 2 connecting plate and assembly bolts. The bottom of the collecting hopper is provided with a No. 1 connecting plate, and the top of the powder locking cylinder is provided with a No. 2 connecting plate. The No. 1 connecting plate and the No. 2 connecting plate are fixed by assembly bolts.
[0008] Preferably, a sealing groove is provided at the bottom of the No. 1 connecting plate, and a sealing ring is provided at the top of the No. 2 connecting plate, and the sealing ring is arranged inside the sealing groove.
[0009] Preferably, the servo motor is electrically connected to an input terminal of a control panel, and a touch screen is provided on the control panel.
[0010] Preferably, a base is provided at the bottom of the two support frames, a guide rail groove is provided at the top of the base, and the moving wheels are arranged corresponding to the guide rail groove.
[0011] Preferably, the connection cover is arranged in a trumpet-shaped structure, and the bottom opening of the connection cover is larger than the receiving interface.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. This adjustable bauxite Raymond mill powder locker realizes Raymond mill powder locking by setting a powder locking cylinder at the bottom of the collecting hopper and a powder locking plate inside the powder locking cylinder. The worm gear, worm and servo motor cooperate to realize the rotation adjustment of the powder locking plate in the powder locking cylinder. The adjustment is precise, the transmission ratio is large, the self-locking stability is high, and the powder locking state is stable and reliable.
[0014] 2. This adjustable bauxite Raymond mill powder locker realizes the detachable assembly and disassembly between the powder locking structure and the Raymond mill collecting hopper by arranging the No. 1 connecting plate on the collecting hopper and the No. 2 connecting plate on the powder locking cylinder. The disassembly and assembly are convenient, and a sealing collar is added at the assembly point to enhance the sealing of the powder locking cylinder assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the powder lock cylinder in the utility model;
[0017] Figure 3 This is a structural diagram of the No. 1 connecting plate in the present utility model.
[0018] In the figure: 1. Powder lock cylinder; 2. Assembly mechanism; 21. Connecting plate No. 1; 22. Connecting plate No. 2; 23. Assembly bolts; 24. Sealing slot; 3. Collecting hopper; 4. Raymond mill body; 5. Support frame; 6. Moving box; 7. Powder lock plate; 71. Worm gear; 72. Worm; 73. Servo motor; 74. Sealing shaft seat; 8. Connecting cover. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] like Figures 1 to 3 The hopper 3 is located at the bottom of the hopper 3 and is fixed to the bottom of the hopper 3. The hopper 3 is located at the bottom of the hopper 3 and is fixed to the bottom of the hopper 3. The hopper 3 is located at the bottom of the hopper 3. The hopper 3 is located at the bottom of the hopper 3. The hopper 3 is located at the bottom of the hopper 3.
[0022] Specifically, the actuator includes a worm gear 71, a worm 72 and a servo motor 73. A worm gear 71 and a worm 72 are provided on one side of the powder locking cylinder 1 through an installation box. The worm gear 71 and the worm 72 are meshed with each other. One side of the worm gear 71 is connected to one end of the powder locking plate 7 through a connecting seat, and one end of the worm 72 is connected to the output end of the servo motor 73 on the installation box through a coupling. The servo motor 73 drives the worm 72 and the worm gear 71 to rotate. The rotation of the worm gear 71 drives the powder locking plate 7 to rotate inside the powder locking cylinder 1 through the connecting shaft. The powder locking plate 7 is closed and opened by rotating in the powder locking cylinder 1 to realize the powder locking of the Raymond mill.
[0023] Furthermore, the assembly mechanism 2 includes a No. 1 connecting plate 21, a No. 2 connecting plate 22 and an assembly bolt 23. The bottom of the collecting bucket 3 is provided with a No. 1 connecting plate 21, and the top of the powder locking cylinder 1 is provided with a No. 2 connecting plate 22. The No. 1 connecting plate 21 and the No. 2 connecting plate 22 are fixed by assembly bolts 23. The powder locking structure is installed at the bottom of the collecting bucket 3 through the assembly mechanism 2, realizing the detachable assembly between the powder locking structure and the Raymond mill collecting bucket 3, which is convenient for disassembly and assembly.
[0024] Furthermore, a sealing groove 24 is provided at the bottom of the No. 1 connecting plate 21, and a sealing ring is provided at the top of the No. 2 connecting plate 22. The sealing ring is arranged inside the sealing groove 24. The sealing ring adopts an O-ring to increase the sealing performance of the assembly.
[0025] Furthermore, the servo motor 73 is electrically connected to the input terminal of the control panel, and the control panel is provided with a touch screen to facilitate the control operation of the servo motor 73.
[0026] Furthermore, a base is provided at the bottom of the two support frames 5 , a guide rail groove is provided at the top of the base, and the moving wheels are arranged corresponding to the guide rail groove, so as to facilitate the movement of the moving box 6 to dock with the connection cover 8 .
[0027] Furthermore, the connecting cover 8 is arranged in a trumpet-shaped structure, the bottom opening of the connecting cover 8 is larger than the receiving interface, the bottom of the connecting cover 8 is arranged in contact with the top of the moving box 6, and the structure between the connecting cover 8 and the moving box 6 is compact.
[0028] The method of use of this embodiment is as follows: the second connecting plate 22 is fixedly installed with the first connecting plate 21 by assembling bolts 23, and the sealing collar on the top of the first connecting plate 21 is pressed into the sealing groove 24 at the bottom of the second connecting plate 22, that is, the powder locking structure is installed at the bottom of the collecting bucket 3 through the assembly mechanism 2, so that the powder locking structure and the Raymond mill collecting bucket 3 can be disassembled and assembled, which is convenient for disassembly and assembly, and a sealing collar is added at the assembly point to strengthen the sealing of the powder locking cylinder 1 assembly. The servo motor 73 drives the worm 72 and the worm gear 71 to rotate, and the worm gear 71 rotates through the connecting mechanism 2. The connecting shaft drives the powder locking plate 7 to rotate inside the powder locking cylinder 1. The powder locking plate 7 is used to rotate, close and open inside the powder locking cylinder 1 to realize the powder locking of the Raymond mill. The powder locking plate 7 closes the powder locking cylinder 1 to lock the powder. The powder generated inside the Raymond mill body 4 is collected in the collecting bucket 3. The powder locking plate 7 is opened, and the powder collected in the collecting bucket 3 is transported to the moving box 6 by the powder locking cylinder 1 through the connecting cover 8. The rotation adjustment of the powder locking plate 7 in the powder locking cylinder 1 is precise, the meshing transmission ratio of the worm gear 71 and the worm 72 is large and the self-locking stability is high, so that the powder locking state is stable and reliable.
[0029] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. An adjustable powder locker for a Raymond mill for bauxite, comprising a powder lock cylinder (1), characterized in that: The powder locking cylinder (1) is arranged at the bottom of the collecting hopper (3) through an assembly mechanism (2), and the collecting hopper (3) is arranged at the bottom of the Raymond mill body (4). A control panel is provided on one side of the Raymond mill body (4), and support frames (5) are provided on opposite sides of the Raymond mill body (4) through connecting plates. There are two support frames (5). A powder locking plate (7) is provided inside the powder locking cylinder (1), and one end of the powder locking plate (7) is connected to the powder locking cylinder (1) through a sealing shaft seat (74), and the other end of the powder locking plate (7) is connected to the actuator. A connecting cover (8) is provided at the bottom of the powder locking cylinder (1), and a moving box (6) is provided at the bottom of the connecting cover (8). A receiving interface is provided at the top of the moving box (6), and a moving wheel is provided at the bottom of the moving box (6).
2. The adjustable powder lock device for Raymond mill for bauxite according to claim 1 is characterized in that: The actuator comprises a worm wheel (71), a worm (72) and a servo motor (73); a worm wheel (71) and a worm (72) are provided on one side of the powder locking cylinder (1) through a mounting box; the worm wheel (71) and the worm (72) are meshed with each other; one side of the worm wheel (71) is connected to one end of the powder locking plate (7) through a connecting seat; and one end of the worm (72) is connected to the output end of the servo motor (73) on the mounting box through a coupling.
3. The adjustable powder lock device for Raymond mill for bauxite according to claim 1 is characterized in that: The assembly mechanism (2) comprises a No. 1 connecting plate (21), a No. 2 connecting plate (22) and an assembly bolt (23). The bottom of the collecting hopper (3) is provided with the No. 1 connecting plate (21), and the top of the powder locking cylinder (1) is provided with the No. 2 connecting plate (22). The No. 1 connecting plate (21) and the No. 2 connecting plate (22) are fixed by the assembly bolt (23).
4. The adjustable powder lock device for Raymond mill for bauxite according to claim 3 is characterized in that: A sealing groove (24) is provided at the bottom of the No. 1 connecting plate (21), and a sealing ring is provided at the top of the No. 2 connecting plate (22), wherein the sealing ring is arranged inside the sealing groove (24).
5. The adjustable powder lock device for Raymond mill for bauxite according to claim 2 is characterized in that: The servo motor (73) is electrically connected to an input end of a control panel, and a touch screen is provided on the control panel.
6. The adjustable powder lock device for Raymond mill for bauxite according to claim 1 is characterized in that: A base is provided at the bottom of the two support frames (5), a guide rail groove is provided at the top of the base, and the moving wheels are arranged corresponding to the guide rail groove.
7. The adjustable powder lock device for Raymond mill for bauxite according to claim 1 is characterized in that: The connecting cover (8) is arranged in a trumpet-shaped structure, and the bottom opening of the connecting cover (8) is larger than the receiving interface.