A high-efficiency tailings metal gravity separation device
By designing a movable needle bar structure in the tailings gravity separation equipment and utilizing the combination of a motor-driven cam and a spring, the problem of insufficient collision force of the fixed needle bar is solved, achieving a more efficient tailings differentiation, crushing, and gravity separation effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN GOLD IND TECH RES INST CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-06-09
AI Technical Summary
In existing tailings gravity separation equipment, the fixed needle bars are difficult to effectively break down and finely crush the slurry when the collision force between them is insufficient, resulting in reduced gravity separation efficiency.
The device employs a movable needle bar structure. Through the cooperation of the inclined rolling plate and the control plate, and utilizing the design of the motor-driven cam and spring, the needle bar creates an impact effect when rolling the raw material, thereby improving the differentiation and crushing effect.
It enhances the gravity separation effect of tailings, improves the ability to break down and finely crush tailings, and increases the efficiency of gravity separation equipment.
Smart Images

Figure CN224332710U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mineral processing equipment technology, and more specifically, it relates to a high-efficiency tailings metal gravity separation device. Background Technology
[0002] Low-grade ores are widely distributed and exist in large quantities in mines and tailings. Due to the high cost of beneficiation, their mining and utilization value is extremely low. In response to this situation, in order to effectively develop and utilize low-grade ores, the market mainly uses various beneficiation machines to enrich and gravity separate low-grade ores into high-grade ores.
[0003] A search of existing relevant patents reveals that CN220239215U discloses a high-efficiency tailings metal gravity separation device. This prior art uses staggered needle bars arranged on an inclined roller plate, and the slurry coming down from the first layer of inclined screen is further broken down and crushed by the collision of the needle bars.
[0004] However, the applicant believes that the prior art has the following drawbacks: the needle bar set in the prior art is fixed, and the slurry needs to collide with the needle bar to be broken down into smaller pieces. Since the needle bar is fixed, if the collision force between the slurry and the needle bar is small when the slurry slides down, it is difficult for the needle bar to break down the slurry into smaller pieces, which will lead to a decrease in the efficiency of tailings gravity separation. Summary of the Invention
[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a high-efficiency tailings metal gravity separation device that enables the raw materials to be better broken down and crushed, thereby further improving the gravity separation effect of tailings.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] A high-efficiency tailings metal gravity separation device includes a shell, within which two sets of gravity separation components are arranged vertically and parallel to each other. Each gravity separation component includes an inclined filter plate and an inclined roller plate. A control plate is located on the side of the inclined roller plate away from the installation point. Multiple horizontally parallel connecting plates are arranged on the inclined roller plate, and multiple needle rods are arranged on the connecting plates. The lower ends of the needle rods contact and slide against the upper surface of the inclined roller plate. Two horizontally parallel mounting plates are arranged on the surface of the control plate near the connecting plates, and a mounting slide rod is arranged between the two mounting plates. The side of the connecting plate near the mounting slide rod is slidably fitted onto the outer surface of the mounting slide rod. A hinge plate is hinged between the bottom lower surface of the inclined filter plate and the connecting plate.
[0008] The present invention is further configured such that: a feeding hopper communicating with the interior is provided on the top of the housing; a feeding channel is provided at the bottom of the upper inclined roller plate; a coarse material outlet penetrating into the housing is provided on the front side of the housing; the coarse material outlet is located on one side inside the housing directly below the control panel; a fine material outlet penetrating into the housing is provided on the rear side of the housing; and the lower side of the lower inclined roller plate extends into the fine material outlet.
[0009] The present invention is further configured such that: the inclined surface of the inclined filter plate is flush with the upper surface of the control plate, the side of the inclined filter plate near the control plate slides on the surface of the control plate, and a fixing plate for fixing is provided between the control plate and the inner wall of the housing.
[0010] The present invention is further configured such that: a plurality of movable sliding grooves are provided on the rear inner wall of the housing, a movable sliding rod is provided between the upper and lower inner walls of the movable sliding groove, a movable sliding sleeve is provided on the surface of the inclined filter plate near the movable sliding groove, and the other side of the movable sliding sleeve extends into the movable sliding groove and is slidably sleeved on the outer surface of the movable sliding rod.
[0011] The present invention is further configured such that: a first spring is provided between the upper surface of the movable sliding sleeve and the top wall of the movable sliding groove, and is movably sleeved on the outer surface of the movable sliding rod.
[0012] The present invention is further configured such that: a motor is provided on the rear surface of the housing, the front end of the motor output shaft rotates through the housing and is located below the inclined filter plate, and a cam is provided on the front end of the motor output shaft, the outer surface of the cam contacts the lower surface of the inclined filter plate and slides.
[0013] The present invention is further configured such that a second spring is provided between the connecting plate and the mounting plate, and is movably sleeved on the outer surface of the mounting slide rod.
[0014] The advantages of this utility model are:
[0015] This invention features a reciprocating needle bar. When the raw material being screened rolls on the inclined roller plate, the moving needle bar impacts the rolling material, allowing for better fragmentation and further improving the gravity separation effect on tailings. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of a high-efficiency tailings metal gravity separation device according to the present invention;
[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle;
[0018] Figure 3 for Figure 1 Enlarged view at point B in the middle;
[0019] Figure 4 This is a rear plan view of the connecting plate connection structure of this utility model.
[0020] In the diagram: 1. Shell; 2. Feed hopper; 3. Inclined filter plate; 31. Movable chute; 32. Movable sliding sleeve; 33. Movable sliding rod; 34. First spring; 35. Motor; 36. Cam;
[0021] 4. Inclined roller plate; 5. Coarse material outlet; 6. Fine material outlet; 7. Feeding channel; 8. Control panel; 9. Fixing plate; 10. Needle bar; 11. Connecting plate; 12. Mounting plate; 13. Mounting slide bar; 14. Second spring; 15. Hinge plate. Detailed Implementation
[0022] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.
[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0024] Please see Figure 1-4 The present invention provides the following technical solution:
[0025] Specifically, it refers to a high-efficiency tailings metal gravity separation device, including a shell 1, the interior of which is hollow. A feeding hopper 2 is provided on the top of the shell 1 and communicates with its interior. Two sets of gravity separation components are arranged vertically and horizontally inside the shell 1. The gravity separation components include an inclined filter plate 3 and an inclined roller plate 4. The inclined filter plate 3 is located on the upper side of the inclined roller plate 4 and is arranged in a triangular shape. A control plate 8 is provided on the side of the inclined roller plate 4 away from the installation point. A fixing plate 9 is provided between the control plate 8 and the inner wall of the shell 1 for fixing. At the same time, the top inclined surface of the inclined filter plate 3 is flush with the upper surface of the control plate 8. A discharge channel 7 is provided at the bottom of the upper inclined roller plate 4. A coarse material outlet 5 is provided on the front side of the shell 1 and penetrates into the shell 1. The coarse material outlet 5 is located on one side inside the shell 1 and is directly below the control plate 8. A fine material outlet 6 is provided on the rear side of the shell 1 and penetrates into the shell 1. The lower side of the lower inclined roller plate 4 extends into the fine material outlet 6.
[0026] During use, the tailings raw material is poured into the shell 1 through the feeding hopper 2 and first falls onto the upper inclined filter plate 3. These materials roll down along the slope of the inclined filter plate 3. During the rolling process, the concentrate falls down through the filter holes of the inclined filter plate 3 onto the inclined roller plate 4. The raw material on the upper inclined roller plate 4 falls through the feeding channel 7 onto the lower inclined filter plate 3 for secondary screening and is finally discharged through the concentrate outlet. The larger particles of raw material roll onto the coarse material outlet 5 and are discharged through the coarse material outlet 5.
[0027] In this embodiment, the mesh size of the two inclined filter plates 3 decreases from large to small, which further improves the gravity separation effect of tailings.
[0028] Multiple movable grooves 31 are provided on the inner rear wall of the housing 1. Movable slide rods 33 are provided between the upper and lower inner walls of the movable grooves 31. Movable sleeves 32 are provided on the surface of the inclined filter plate 3 near the movable grooves 31. The other side of the movable sleeves 32 extends into the movable grooves 31 and slides on the outer surface of the movable slide rods 33. A first spring 34 is provided between the upper surface of the movable sleeves 32 and the top wall of the movable grooves 31 and is movably sleeved on the outer surface of the movable slide rods 33. A motor 35 is provided on the rear surface of the housing 1. The front end of the output shaft of the motor 35 rotates through the housing 1 and is located below the inclined filter plate 3. A cam 36 is provided at the front end of the output shaft of the motor 35. The outer surface of the cam 36 contacts the lower surface of the inclined filter plate 3 and slides.
[0029] When in use, the motor 35 starts, and the output shaft of the motor 35 drives the cam 36 to rotate. The cam 36 can push the inclined filter plate 3, causing the inclined filter plate 3 to move upward. At the same time, the movable sleeve 32 slides on the movable slide rod 33, and the first spring 34 is stressed and contracts. When the end of the cam 36 contacts the lower surface of the inclined filter plate 3, the first spring 34 releases the thrust and pushes the movable sleeve 32 to move downward. The above structure can drive the inclined filter plate 3 to shake up and down, which improves the gravity separation efficiency of tailings.
[0030] Multiple horizontally parallel connecting plates 11 are provided on the inclined roller plate 4. Multiple needle bars 10 are provided on the connecting plates 11. The lower end of the needle bars 10 contacts the upper surface of the inclined roller plate 4 and slides. Two horizontally parallel mounting plates 12 are provided on the surface of the control plate 8 near the connecting plates 11. A mounting slide rod 13 is provided between the two mounting plates 12. The side of the connecting plate 11 near the mounting slide rod 13 is slidably sleeved on the outer surface of the mounting slide rod 13. A hinge plate 15 is hinged between the bottom lower surface of the inclined filter plate 3 and the connecting plate 11. A second spring 14 is provided between the connecting plate 11 and the mounting plate 12 and is movably sleeved on the outer surface of the mounting slide rod 13.
[0031] When in use, the inclined filter plate 3 floats up and down, which will generate a pulling or pushing force on the hinge plate 15. At this time, the hinge plate 15 can drive the connecting plate 11 to slide back and forth on the mounting slide rod 13. At the same time, the second spring 14 contracts or stretches. Through the above structure, the needle bar 10 can be controlled to move back and forth on the inclined rolling plate 4, which further improves the differentiation and crushing effect of the concentrate.
[0032] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.
Claims
1. A high-efficiency tailings metal gravity separation device, comprising a shell (1), wherein two sets of gravity separation components arranged vertically and horizontally are disposed within the shell (1), the gravity separation components comprising an inclined filter plate (3) and an inclined roller plate (4), and a control plate (8) is disposed on the side of the inclined roller plate (4) away from the installation point, characterized in that: The inclined roller plate (4) is provided with a plurality of horizontally parallel connecting plates (11), and a plurality of needle rods (10) are provided on the connecting plates (11). The lower end of the needle rods (10) contacts the upper surface of the inclined roller plate (4) and slides. The control plate (8) is provided with two horizontally parallel mounting plates (12) on the surface near the connecting plates (11). A mounting slide rod (13) is provided between the two mounting plates (12). The side of the connecting plate (11) near the mounting slide rod (13) is slidably sleeved on the outer surface of the mounting slide rod (13). A hinge plate (15) is hinged between the bottom lower surface of the inclined filter plate (3) and the connecting plate (11).
2. The high-efficiency tailings metal gravity separation equipment according to claim 1, characterized in that: The top of the housing (1) is provided with a feeding hopper (2) that communicates with its interior. The bottom of the upper inclined roller plate (4) is provided with a feeding channel (7). The front side of the housing (1) is provided with a coarse material outlet (5) that penetrates into the housing (1). The coarse material outlet (5) is located on one side inside the housing (1) directly below the control plate (8). The rear side of the housing (1) is provided with a fine material outlet (6) that penetrates into the housing (1). The lower side of the lower inclined roller plate (4) extends into the fine material outlet (6).
3. The high-efficiency tailings metal gravity separation equipment according to claim 1, characterized in that: The inclined surface of the inclined filter plate (3) is flush with the upper surface of the control plate (8). The side of the inclined filter plate (3) close to the control plate (8) slides on the surface of the control plate (8). A fixing plate (9) for fixing is provided between the control plate (8) and the inner wall of the housing (1).
4. The high-efficiency tailings metal gravity separation equipment according to claim 1, characterized in that: Multiple movable grooves (31) are provided on the inner rear wall of the housing (1). Movable slide rods (33) are provided between the upper and lower inner walls of the movable grooves (31). Movable sleeves (32) are provided on the surface of the inclined filter plate (3) near the movable grooves (31). The other side of the movable sleeves (32) extends into the movable grooves (31) and slides on the outer surface of the movable slide rods (33).
5. The high-efficiency tailings metal gravity separation equipment according to claim 4, characterized in that: A first spring (34) is provided between the upper surface of the movable sliding sleeve (32) and the top wall of the movable sliding groove (31), and is movably sleeved on the outer surface of the movable sliding rod (33).
6. The high-efficiency tailings metal gravity separation equipment according to claim 5, characterized in that: A motor (35) is provided on the rear surface of the housing (1). The front end of the output shaft of the motor (35) rotates through the housing (1) and is located below the inclined filter plate (3). A cam (36) is provided on the front end of the output shaft of the motor (35). The outer surface of the cam (36) contacts the lower surface of the inclined filter plate (3) and slides.
7. The high-efficiency tailings metal gravity separation equipment according to claim 1, characterized in that: A second spring (14) is provided between the connecting plate (11) and the mounting plate (12), and is movably sleeved on the outer surface of the mounting slide rod (13).