Wear-resistant coarse screening structure in lithium ore crushing stage
By designing a wear-resistant screen frame and a sleeve structure, combined with motor drive and elastic structure, the problems of localized screen surface wear and low efficiency in the coarse screen structure of lithium ore mills are solved, achieving efficient and stable screening results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- AUSTRUCT IND PTY LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-05-01
AI Technical Summary
The existing coarse screen structure for lithium ore mills relies on unilateral force for screening, which leads to long-term stress and accelerated wear on a certain area of the screen surface, and the screening efficiency is not high.
The screen adopts a wear-resistant screen frame and sleeve structure, combined with motor drive, guide blocks and guide grooves, elastic structure and scraper design to achieve dynamic adjustment and stable screening, avoid local wear and optimize the screening curve.
It improves the efficiency and stability of coarse screening in the lithium ore crushing stage, reduces screen clogging, and extends the service life of the equipment.
Smart Images

Figure CN224181336U_ABST
Abstract
Description
A wear-resistant coarse screen structure for lithium ore crushing stage Technical Field
[0001] This utility model relates to the field of lithium ore processing, and in particular to a wear-resistant coarse screen structure for the crushing stage of lithium ore. Background Technology
[0002] Lithium ore is mainly the raw material for extracting metallic lithium. Common minerals include spodumene, lepidolite, and phosphogypsum. Screening and filtering lithium ore is very important during the crushing and processing of lithium ore. Coarse screening during the crushing stage of lithium ore can prevent the crusher from being overloaded and make the crushing work more smooth.
[0003] Chinese patent application number CN201720895387.0 provides an ore screening device. This solution, by setting up the cavitation device, effectively separates dust and other impurities adhering to the ore surface from the ore, while preventing dust and other impurities from clogging the mesh, thereby improving the filtration and separation efficiency of ore screening and enhancing the ore screening effect. By setting up the shell, it prevents the ore from splashing and escaping during the screening process, and achieves the tilting of the filter screen, thereby improving the screening efficiency and screening effect.
[0004] Existing coarse screen structures for lithium ore mills have certain drawbacks. First, most coarse screen structures rely on the force exerted on the structure itself for screening. However, relying on vibration from only one side for screening results in a certain area of the screen being subjected to long-term stress, leading to accelerated wear. Furthermore, the screening efficiency is not high. Therefore, we propose a wear-resistant coarse screen structure for the lithium ore crushing stage. Summary of the Invention
[0005] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a wear-resistant coarse screen structure for the lithium ore crushing stage. By setting a wear-resistant screen frame and sleeve block, the wear-resistant screen frame can perform efficient coarse screening, realize dynamic adjustment, optimize the screening curve, and adjust the back and forth movement of the wear-resistant screen frame to avoid long-term stress on a certain area of the screen surface and accelerated wear. It helps to break up adhering particles, reduce clogging, and improve the coarse screening efficiency of the lithium ore crushing stage.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0007] A wear-resistant coarse screen structure for lithium ore crushing includes a wear-resistant screen frame, a frame slidably connected to the outside of the wear-resistant screen frame, a motor fixedly connected to the rear end of the frame, an assembly groove opened on the inner end of one side of the frame, a screw installed on the drive end of the motor, a sleeve block threadedly connected to the outer end of the screw, a reinforcing block fixedly connected to the outer end of the sleeve block, and the reinforcing block being fixedly connected to one end of the wear-resistant screen frame.
[0008] The coarse screening efficiency of the lithium ore crushing stage can be improved by installing wear-resistant screen frames and sleeves.
[0009] Furthermore, a guide block is fixedly connected to the other end of the wear-resistant screen frame away from the reinforcing block, and a guide groove is provided at the inner end of the frame.
[0010] By installing guide blocks and guide grooves, the stability of the wear-resistant screen frame structure during screening can be improved.
[0011] Furthermore, mounting brackets are fixedly connected to the rear sides of both ends of the frame, and a pair of telescopic springs are fixedly connected to the bottom end of the mounting brackets.
[0012] By setting up mounting brackets, the stability of the connections between the structural components can be improved.
[0013] Furthermore, a support frame is fixedly connected to the front of both ends of the frame, and a pair of springs are fixedly connected to the bottom of the support frame.
[0014] By installing spring 2, the coarse screening of lithium ore can be facilitated.
[0015] Furthermore, an assembly bracket is fixedly connected to the bottom end of the second spring.
[0016] By installing the assembly frame, the stability of the structure's elastic structure and the collection box installation can be improved.
[0017] Furthermore, a collection box is fixedly connected to the bottom end of the assembly frame.
[0018] Installing collection boxes facilitates the further centralized processing of lithium ore.
[0019] Furthermore, the inner end of the frame is slidably connected to a connecting frame via a sliding component, and the inner end of the connecting frame is provided with a scraper.
[0020] By installing connecting frames and scrapers, the screening process of the wear-resistant screen frame can be made smoother.
[0021] Furthermore, the bottom end of the scraper is fixedly connected to scraper heads that are evenly distributed.
[0022] Installing a scraper head can increase the cleaning effect of the scraper.
[0023] In summary, this utility model has the following beneficial effects:
[0024] 1. By setting up a wear-resistant screen frame and sleeve blocks, the wear-resistant screen frame is formed by an outer manganese steel screen frame and an inner polyurethane screen mesh. This allows the wear-resistant screen frame to have high toughness, impact resistance, and corrosion resistance during coarse screening. This makes the wear-resistant screen frame more practical in the coarse screening work of lithium ore crushing. When the wear-resistant screen frame is in use, the motor is started, and the motor drives the screw and sleeve blocks to work together. The sleeve blocks move and adjust according to the trajectory of the assembly groove set inside the wear-resistant frame, thereby driving the connected wear-resistant screen frame to move. With the help of multiple elastic structures, the wear-resistant screen frame can perform efficient coarse screening, achieve dynamic adjustment, optimize the screening curve, and adjust the back and forth movement of the wear-resistant screen frame. This can prevent a certain area of the screen surface from being subjected to long-term stress and accelerated wear, help to break up adhering particles, reduce clogging, and improve the coarse screening efficiency of lithium ore crushing.
[0025] 2. By setting guide blocks and guide grooves, when the wear-resistant screen frame moves to screen, the guide blocks can be adjusted and moved together with the moving wear-resistant screen frame. The moving guide blocks slide at the inner end of the guide groove, making the wear-resistant screen frame move to screen more stably and preventing deviation and detachment, thus improving the stability of the wear-resistant screen frame structure in operation and screening.
[0026] 3. By setting a connecting frame and a scraper, the shape of the connecting frame is designed along the movement trajectory of the wear-resistant screen frame. When the wear-resistant screen frame moves under the force of the sleeve block, the wear-resistant screen frame contacts the elastic element and scraper at the bottom of the connecting frame. The scraper is made of polytetrafluoroethylene material. Together with the elastic element connected to the outside of the scraper, the outside of the wear-resistant screen frame can be continuously or periodically cleaned to avoid clogging of the wear-resistant screen frame and make the screening of the wear-resistant screen frame smoother. Attached Figure Description
[0027] Figure 1 is a schematic diagram of the overall structure in this embodiment;
[0028] Figure 2 is a three-dimensional structural schematic diagram of the wear-resistant screen frame in this embodiment;
[0029] Figure 3 is a schematic diagram of the frame side view in this embodiment;
[0030] Figure 4 is a three-dimensional structural schematic diagram of the wear-resistant screen frame in this embodiment;
[0031] Figure 5 is a structural schematic diagram of the side cross-section of the connecting frame in this embodiment.
[0032] In the diagram, 1. Wear-resistant screen frame; 2. Frame; 3. Mounting bracket; 4. Telescopic spring; 5. Supporting bracket; 6. Spring II; 7. Collection box; 701. Assembly bracket; 8. Connecting frame; 9. Scraper; 10. Scraper head; 11. Motor; 12. Assembly groove; 13. Screw; 14. Sleeve block; 15. Reinforcing block; 16. Guide block; 17. Guide groove. Detailed Implementation
[0033] The present invention will be further described in detail below with reference to the accompanying drawings.
[0034] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific part, respectively.
[0035] Referring to Figures 1-5, a preferred embodiment of the present invention provides a wear-resistant coarse screen structure for the lithium ore crushing stage, comprising a wear-resistant screen frame 1, a frame 2 slidably connected to the outside of the wear-resistant screen frame 1, a motor 11 fixedly connected to the rear end of the frame 2, an assembly groove 12 provided on the inner end of one side of the frame 2, a screw 13 installed on the transmission end of the motor 11, a sleeve block 14 threadedly connected to the outer end of the screw 13, a reinforcing block 15 fixedly connected to the outer end of the sleeve block 14, and the reinforcing block 15 being fixedly connected to one end of the wear-resistant screen frame 1.
[0036] Referring to Figures 1-4, further, a guide block 16 is fixedly connected to the other end of the wear-resistant screen frame 1 away from the reinforcing block 15, and a guide groove 17 is opened at the inner end of the frame 2.
[0037] By installing a wear-resistant screen frame 1 with an outer manganese steel frame and an inner polyurethane mesh, the wear-resistant screen frame 1 possesses high toughness, impact resistance, and corrosion resistance during coarse screening. This makes the wear-resistant screen frame 1 more practical for coarse screening in the lithium ore crushing stage. When the wear-resistant screen frame 1 is in use, starting the motor 11 drives the screw 13 to engage with the sleeve block 14 via a threaded action. The sleeve block 14 then moves according to the trajectory of the assembly groove 12 inside the wear-resistant frame 2, thereby driving the connected wear-resistant screen frame 1 to move. This, in conjunction with multiple springs... The wear-resistant screen frame 1 has a flexible structure that allows for efficient coarse screening, enabling dynamic adjustment and optimizing the screening curve. The forward and backward movement of the wear-resistant screen frame 1 can prevent long-term stress on a certain area of the screen surface, which would accelerate wear and help break up adhered particles. When the wear-resistant screen frame 1 moves to screen, the guide block 16 can move and adjust along with the moving wear-resistant screen frame 1. The moving guide block 16 slides at the inner end of the guide groove 17, making the movement of the wear-resistant screen frame 1 more stable during screening and preventing deviation or detachment. This improves the stability of the wear-resistant screen frame 1 during operation and screening.
[0038] Referring to Figure 1, further, mounting brackets 3 are fixedly connected to the rear sides of both ends of the frame 2, and a pair of telescopic springs 4 are fixedly connected to the bottom end of the mounting brackets 3.
[0039] Referring to Figures 1-2, further, the front ends of both ends of the frame 2 are fixedly connected to the support frame 5, and the bottom end of the support frame 5 is fixedly connected to a pair of springs 6.
[0040] Referring to Figure 1, the bottom end of the second spring 6 is further fixedly connected to an assembly bracket 701.
[0041] By setting the mounting frame 3, a support connection structure can be formed between the telescopic spring 4 and the frame 2, making the frame 2 more stable in vibration screening in conjunction with the force of the telescopic spring 4. The spring 6, in conjunction with the telescopic spring 4, can connect multiple elastic structures to the bottom of the wear-resistant screen frame 1, so that the wear-resistant screen frame 1 can vibrate up and down during the screening process. The assembly frame 701 can form a reinforced connection structure at the bottom of multiple elastic components, making the connection between the multiple elastic structures and the collection box 7 more stable, and improving the stability of the installation of the elastic structure and the collection box 7.
[0042] Referring to Figure 1, a collection box 7 is further fixedly connected to the bottom end of the assembly frame 701.
[0043] Referring to Figures 1 and 5, the inner end of the frame 2 is further slidably connected to the connecting frame 8 via a sliding component, and the inner end of the connecting frame 8 is provided with a scraper 9.
[0044] Referring to Figure 5, further, the bottom end of the scraper 9 is fixedly connected with scraper heads 10 that are evenly distributed.
[0045] The shape of the connecting frame 8 is designed to follow the movement trajectory of the wear-resistant screen frame 1. When the wear-resistant screen frame 1 moves under the force of the sleeve block 14, the wear-resistant screen frame 1 contacts the elastic element and scraper 9 at the bottom of the connecting frame 8. The scraper 9 is made of polytetrafluoroethylene material. With the elastic element connected to the outside of the scraper 9, the outside of the wear-resistant screen frame 1 can be continuously or periodically cleaned to avoid clogging of the wear-resistant screen frame 1. The scraper head 10 is a silicon carbide brush head structure, which can increase the cleaning effect of the scraper 9.
[0046] Specific implementation process: When this screening structure is in use, the external lithium ore guide acts on the outside of the wear-resistant screen frame 1. Under the force, multiple elastic elements move and drive the wear-resistant screen frame 1. The wear-resistant screen frame 1 is formed by a manganese steel screen frame on the outside and a polyurethane screen mesh inside. This allows the wear-resistant screen frame 1 to have the characteristics of high toughness, impact resistance and corrosion resistance during coarse screening. This makes the wear-resistant screen frame 1 more practical in the coarse screening work of lithium ore crushing stage. When the wear-resistant screen frame 1 is in use, the motor 11 is started. The motor 11 drives the screw 13 and the sleeve block 14 to perform threaded action. The sleeve block 14 moves and adjusts according to the trajectory of the assembly groove 12 set inside the wear-resistant frame 2, thereby driving the connected wear-resistant screen frame 1 to move. With the help of multiple elastic structures, the wear-resistant screen frame 1 can perform efficient coarse screening, realize dynamic adjustment and optimize the screening curve.
[0047] During screening, the guide block 16 can be adjusted and moved together with the moving wear-resistant screen frame 1. The moving guide block 16 slides at the inner end of the guide groove 17, making the movement of the wear-resistant screen frame 1 more stable during screening and preventing deviation and detachment. The collection box 7 can form a support structure at the bottom of the wear-resistant screen frame 1, frame 2 and elastic structure, while also facilitating the collection of ore after screening by the wear-resistant screen frame 1. The shape of the connecting frame 8 is designed along the movement trajectory of the wear-resistant screen frame 1. When the wear-resistant screen frame 1 moves under the force of the sleeve block 14, the wear-resistant screen frame 1 contacts the sliding rod, elastic element and scraper 9 at the bottom of the connecting frame 8. The scraper 9 is made of polytetrafluoroethylene material. With the elastic element connected to the outside of the scraper 9, the outside of the wear-resistant screen frame 1 can be continuously or periodically cleaned to avoid clogging of the wear-resistant screen frame 1.
[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A lithium ore crushing stage wear resistant coarse screen structure, characterized by: The device includes a wear-resistant screen frame (1), a frame (2) is slidably connected to the outside of the wear-resistant screen frame (1), a motor (11) is fixedly connected to the rear end of the frame (2), an assembly groove (12) is opened on the inner end of one side of the frame (2), a screw (13) is installed on the transmission end of the motor (11), a sleeve block (14) is threadedly connected to the outer end of the screw (13), a reinforcing block (15) is fixedly connected to the outer end of the sleeve block (14), and the reinforcing block (15) is fixedly connected to one end of the wear-resistant screen frame (1).
2. The wear-resistant coarse screen structure for lithium ore crushing stage according to claim 1, characterized in that: The wear-resistant screen frame (1) is fixedly connected to a guide block (16) at the other end away from the reinforcing block (15), and a guide groove (17) is provided at the inner end of the frame (2).
3. The wear-resistant coarse screen structure for lithium ore crushing stage according to claim 1, characterized in that: Mounting brackets (3) are fixedly connected to the rear sides of both ends of the frame (2), and a pair of telescopic springs (4) are fixedly connected to the bottom end of the mounting brackets (3).
4. The wear-resistant coarse screen structure for lithium ore crushing stage according to claim 3, characterized in that: The front ends of the frame (2) are fixedly connected to the support frame (5), and the bottom end of the support frame (5) is fixedly connected to a pair of springs (6).
5. The wear-resistant coarse screen structure for lithium ore crushing stage according to claim 4, characterized in that: The bottom end of the second spring (6) is fixedly connected to an assembly frame (701).
6. The wear-resistant coarse screen structure for lithium ore crushing stage according to claim 5, characterized in that: A collection box (7) is fixedly connected to the bottom end of the assembly frame (701).
7. The wear-resistant coarse screen structure for lithium ore crushing stage according to claim 1, characterized in that: The inner end of the frame (2) is slidably connected to a connecting frame (8) via a sliding component, and the inner end of the connecting frame (8) is provided with a scraper (9).
8. A lithium ore comminution stage wear resistant coarse screen structure according to claim 7, characterised in that: The bottom end of the scraper (9) is fixedly connected to scraper heads (10) that are evenly distributed.
Citation Information
Patent Citations
Ore sieving mechanism
CN207357548U