Roller grinding device for tailings
By designing cleaning components and buffer components in tailings roller milling equipment, the blockage problem caused by sticky substances in tailings is solved, extending the service life of the equipment and improving crushing efficiency.
Patent Information
- Application Number
- CN202421052224.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-15
AI Technical Summary
When grinding tailings, the tailings surface has different substances, especially viscous substances, which are easy to stick to the equipment and cause blockage.
A roller grinding device for tailings is designed, including a cleaning assembly and a buffer assembly. The cleaning assembly includes a support telescopic rod, a water pipe and a cleaning nozzle for cleaning the movable and fixed jaw plates to reduce the adhesion of sticky substances. The buffer assembly reduces the collision force between tailings ore and the inner wall of the roller mill frame by fixing the protective plate, buffer plate and return spring.
It effectively reduces the adhesion and blockage of sticky substances in the equipment, extends the service life of the equipment, and improves the crushing efficiency of tailings.
Smart Images
Figure CN222446613U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tailings roller grinding equipment, in particular to a roller grinding device for tailings. Background Art
[0002] The tailings roller grinding device is a device used for grinding ores and processing tailings. When the tailings need to be roller-milled, the tailings need to be crushed into small pieces before roller milling. The tailings grinding equipment can quickly grind the tailings into small pieces for grinding.
[0003] When the tailings are ground by a tailings grinding equipment, it can handle raw materials of various hardness and types, including harder rocks and ores, so it has a higher crushing efficiency. However, when the tailings are ground by the grinding equipment, since the tailings have different substances on their surface, when the ore with sticky substances on the surface is ground, it will stick to the grinding equipment and cause blockage. Utility Model Content
[0004] The purpose of the utility model is to provide a roller grinding device for tailings to solve the problem that the existing tailings grinding equipment can process raw materials of various hardnesses and types, including harder rocks and ores, so as to have a higher crushing efficiency, but when the tailings are ground by the grinding equipment, since the tailings have different substances on the surface, when the ore with sticky substances on the surface is ground, it will stick to the grinding equipment and cause blockage.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roller mill device for tailings, comprising a roller mill body, the roller mill body comprising a roller mill frame, a feed port for feeding tailings into the top of the roller mill frame is provided, and a movable jaw plate for roller grinding tailings is arranged inside the feed port, a fixed jaw plate is arranged opposite to the movable jaw plate and inside the feed port, a discharge port is provided directly below the feed port, a cleaning component for flushing the movable jaw plate and the fixed jaw plate is arranged at the top of the roller mill frame and directly above the feed port, the cleaning component comprises a supporting telescopic rod symmetrically arranged at the top of the roller mill frame, a ring plate supporting a water pipe is fixedly connected to the top of the supporting telescopic rod, and cleaning nozzles for cleaning the movable jaw plate and the fixed jaw plate are symmetrically and evenly clamped at the bottom of the water pipe.
[0006] As a further solution of the utility model: a fastening screw groove is opened at the top of the roller mill frame and is threadedly fixed to the supporting telescopic rod, and the fastening screw groove is symmetrically opened at the top of the roller mill frame, and a threaded end is fixedly connected to the bottom end of the supporting telescopic rod and is threadedly fixed to the fastening screw groove.
[0007] As a further solution of the utility model: an eccentric shaft for driving the movable jaw to move is arranged at the top of the roller mill frame, a flywheel for driving the eccentric shaft to rotate is fixed at one end of the eccentric shaft, and the flywheel is symmetrically fixed at both ends of the eccentric shaft.
[0008] As a further solution of the utility model: buffer components for reducing the impact of tailings on the roller mill frame are arranged at both ends of the feed port, and the buffer components include a fixed protective plate fixed to the roller mill frame, and a buffer plate for reducing the impact force is slidably connected inside the fixed protective plate.
[0009] As a further solution of the utility model: a return spring fixedly connected to the buffer plate is fixed inside the fixed protective plate, and the return spring is symmetrically and evenly fixed inside the fixed protective plate.
[0010] As a further solution of the utility model: the buffer plate is made of rubber material.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. When the staff of the utility model needs to use the roller mill body to grind the tailings, the cleaning component is first installed on the top of the roller mill frame according to the material of the tailings, and the threaded end of the supporting telescopic rod at the bottom and the fastening screw groove at the top of the roller mill frame are used to fix the supporting telescopic rod to the top of the roller mill frame, and then the water pipe is erected on the inner side of the annular plate at the top of the supporting telescopic rod, and the external water pipe is connected to the water pipe to transport water. When the water is transported, the water is sprayed from the multiple cleaning nozzles at the bottom of the water pipe, and the fixed jaw plate and the movable jaw plate are flushed, so as to reduce the sticky substances adhering to the fixed jaw plate and the movable jaw plate to cause blockage;
[0013] 2. The tailings to be ground are put into the roller mill frame from the feed port. At the same time, the eccentric shaft drives the flywheel to rotate and then drives the movable jaw plate to reciprocate and approach the fixed jaw plate to grind and crush the tailings. The tailings ore splashes during grinding and collides with the buffer component inside the roller mill frame. The buffer component can reduce the collision force between the tailings ore and the inner wall of the roller mill frame, thereby increasing the service life of the roller mill frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the roller mill frame of the utility model;
[0016] Figure 3 It is a schematic diagram of the structure of the cleaning component of the utility model;
[0017] Figure 4It is a schematic diagram of the top surface structure of the roller mill frame of the utility model;
[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the buffer component of the utility model.
[0019] In the figure: 1. roller mill body; 11. roller mill frame; 12. eccentric shaft; 13. flywheel; 14. feed inlet; 15. movable jaw plate; 16. fixed jaw plate; 17. discharge port; 2. cleaning component; 21. fastening screw groove; 22. supporting telescopic rod; 23. threaded end; 24. annular plate; 25. water pipe; 26. cleaning nozzle; 3. buffer component; 31. fixed protective plate; 32. buffer plate; 33. reset spring. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in 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 in 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.
[0021] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.
[0022] Reference Figures 1 to 5In the embodiment of the utility model, a roller mill device for tailings includes a roller mill body 1, the roller mill body 1 includes a roller mill frame 11, a feed port 14 for feeding tailings is provided at the top of the roller mill frame 11, and a movable jaw plate 15 for roller milling tailings is provided inside the feed port 14, a fixed jaw plate 16 is provided on the opposite side of the movable jaw plate 15 and inside the feed port 14, a discharge port 17 is provided directly below the feed port 14, and a cleaning group for flushing the movable jaw plate 15 and the fixed jaw plate 16 is provided at the top of the roller mill frame 11 and directly above the feed port 14. Part 2, the cleaning component 2 includes a supporting telescopic rod 22 symmetrically arranged at the top of the roller mill frame 11, a ring plate 24 supporting a water pipe 25 is fixedly connected to the top of the supporting telescopic rod 22, and a cleaning nozzle 26 for cleaning the movable jaw 15 and the fixed jaw 16 is symmetrically and evenly clamped at the bottom end of the water pipe 25, a fastening screw groove 21 threadedly fixed to the supporting telescopic rod 22 is opened at the top of the roller mill frame 11, and the fastening screw groove 21 is symmetrically opened at the top of the roller mill frame 11, and a threaded end 23 threadedly fixed to the fastening screw groove 21 is fixedly connected to the bottom end of the supporting telescopic rod 22.
[0023] Reference Figure 1 and Figure 2 An eccentric rotating shaft 12 for driving a movable jaw plate 15 to move is arranged at the top of the roller mill frame 11, and a flywheel 13 for driving the eccentric rotating shaft 12 to rotate is fixedly arranged at one end of the eccentric rotating shaft 12, and the flywheel 13 is symmetrically fixed at both ends of the eccentric rotating shaft 12.
[0024] Reference Figure 2 and Figure 5 , buffer components 3 for reducing the collision of tailings with the roller mill frame 11 are arranged at both ends of the feed port 14, the buffer component 3 includes a fixed protective plate 31 fixedly connected to the roller mill frame 11, a buffer plate 32 for reducing the collision force is slidably connected inside the fixed protective plate 31, a return spring 33 fixedly connected to the buffer plate 32 is fixed inside the fixed protective plate 31, and the return spring 33 is symmetrically and evenly fixed inside the fixed protective plate 31, and the buffer plate 32 is made of rubber material.
[0025] The working principle of the utility model is as follows: when the staff needs to use the roller mill body 1 to grind the tailings, the cleaning component 2 is first installed on the top of the roller mill frame 11 according to the material of the tailings, and the supporting telescopic rod 22 is threadedly fixed to the top of the roller mill frame 11 through the threaded end 23 at the bottom of the supporting telescopic rod 22 and the fastening screw groove 21 at the top of the roller mill frame 11, and then the water pipe 25 is erected on the inner side of the annular plate 24 at the top of the supporting telescopic rod 22, and the external water pipe is connected to the water pipe 25 to transport water. When water is transported, water is sprayed from the multiple groups of cleaning nozzles 26 at the bottom of the water pipe 25, and the water is transported to the roller mill frame 11. The fixed jaw 16 and the movable jaw 15 are flushed to reduce the blockage caused by the adhesion of sticky materials on the fixed jaw 16 and the movable jaw 15, and then the tailings to be ground are put into the roller mill frame 11 from the feed port 14. At the same time, the eccentric shaft 12 drives the flywheel 13 to rotate and then drives the movable jaw 15 to reciprocate toward the fixed jaw 16 to grind and crush the tailings. The tailings ore splashed during grinding collides with the buffer component 3 inside the roller mill frame 11. The buffer component 3 can reduce the collision force between the tailings ore and the inner wall of the roller mill frame 11, thereby increasing the service life of the roller mill frame 11.
[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A roller mill for tailings, characterized in that: The roller mill body (1) comprises a roller mill frame (11), a feed port (14) for feeding tailings is provided at the top of the roller mill frame (11), a movable jaw plate (15) for roller milling tailings is provided inside the feed port (14), a fixed jaw plate (16) is provided on the opposite side of the movable jaw plate (15) and inside the feed port (14), a discharge port (17) is provided directly below the feed port (14), and a discharge port (17) is provided at the top of the roller mill frame (11) and located at the feed port. A cleaning assembly (2) for flushing a movable jaw plate (15) and a fixed jaw plate (16) is arranged just above the opening (14), and the cleaning assembly (2) comprises a supporting telescopic rod (22) symmetrically arranged at the top end of the roller mill frame (11), an annular plate (24) for supporting a water pipe (25) is fixedly connected to the top end of the supporting telescopic rod (22), and a cleaning nozzle (26) for cleaning the movable jaw plate (15) and the fixed jaw plate (16) is symmetrically and evenly clamped at the bottom end of the water pipe (25).
2. A roller mill for tailings according to claim 1, characterized in that: The top of the roller mill frame (11) is provided with a fastening screw groove (21) which is threadedly fixed to the supporting telescopic rod (22), and the fastening screw groove (21) is symmetrically provided on the top of the roller mill frame (11), and the bottom of the supporting telescopic rod (22) is fixedly connected with a threaded end (23) which is threadedly fixed to the fastening screw groove (21).
3. A roller mill for tailings according to claim 1, characterized in that: An eccentric rotating shaft (12) for driving a movable jaw plate (15) to move is arranged at the top of the roller mill frame (11); a flywheel (13) for driving the eccentric rotating shaft (12) to rotate is fixedly arranged at one end of the eccentric rotating shaft (12); and the flywheel (13) is symmetrically fixedly arranged at both ends of the eccentric rotating shaft (12).
4. A roller mill for tailings according to claim 1, characterized in that: Buffer components (3) for reducing the impact of tailings on the roller mill frame (11) are arranged at both ends of the feed port (14); the buffer component (3) comprises a fixed protection plate (31) fixed to the roller mill frame (11); a buffer plate (32) for reducing the impact force is slidably connected inside the fixed protection plate (31).
5. A roller mill for tailings according to claim 4, characterized in that: A return spring (33) fixedly connected to the buffer plate (32) is fixedly connected inside the fixed protection plate (31), and the return spring (33) is symmetrically and evenly fixedly connected inside the fixed protection plate (31).
6. A roller mill for tailings according to claim 4, characterized in that: The buffer plate (32) is made of rubber material.