Screening device for rare earth mineral detection

Abstract

The utility model relates to a screening device for rare earth mineral detection, which belongs to the technical field of screening equipment and comprises a bottom box, a supporting box, a shaking plate, a shaking driving mechanism, a supporting arc-shaped plate, a supporting column and guide sleeves, an arm supporting plate is fixed between the two guide sleeves, a locking bolt is arranged on the arm supporting plate, and a tray is fixed in the middle of the top of the arm supporting plate. A plurality of screening barrels are placed above the tray, a cover plate is arranged at the top of each screening barrel, a circular-arc-shaped limiting hook plate is arranged at the top of the inner side of the supporting arc-shaped plate, a limiting annular plate is arranged in an inner hole of the supporting arc-shaped plate, and a limiting flange hooked to the outer side of the limiting hook plate is arranged at the top of the limiting annular plate; a limiting check ring arranged on the outer wall of the screening barrel in a sleeving mode is arranged on the inner side of the bottom of the limiting annular plate. The top of the screening barrel can be supported, the limiting annular plate can be taken down upwards after screening is completed, then the screening barrel can be moved upwards, the screening barrel can be taken out from the notch of the supporting arc-shaped plate, and the screening barrel is more convenient and rapid to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of screening equipment, and more specifically relates to a screening device for rare earth mineral detection. Background Art

[0002] Rare earth ores need to be tested during mining, and screening devices are needed for the detection of rare earth minerals. Currently, the commonly used screening equipment is a slap vibration screen, which includes a support plate that can shake back and forth and adjust the height. Multiple screening cylinders are placed on the support plate. The top of the screening cylinder is pressed by a cover plate. A clamping ring plate is provided above the cover plate. The driving mechanism drives the support plate to shake back and forth for screening. However, after screening, when the screening cylinder needs to be removed, the locking nut on the clamping ring plate needs to be loosened, and then the cover plate needs to be removed to remove the screening cylinder, which is more troublesome. Utility Model Content

[0003] The utility model provides a screening device for rare earth mineral detection to solve the problems existing in the above-mentioned background technology.

[0004] The utility model provides the following technical solutions:

[0005] The screening device for rare earth mineral detection comprises a bottom box, a supporting box is fixed on one side of the bottom box, a shaking plate is arranged on the top of the supporting box, the shaking plate is connected to a shaking driving mechanism, the right end of the shaking plate is connected to a supporting arc plate, supporting columns are fixed to the bottoms of both ends of the supporting arc plate, the lower ends of the supporting columns are installed on the bottom box, guide sleeves are arranged on the two supporting columns, a support arm plate is fixed between the two guide sleeves, locking bolts are arranged on the support arm plate, a tray is fixed in the middle of the top of the support arm plate, a plurality of screening cylinders are placed above the tray, a cover plate is arranged on the top of the screening cylinder, an arc-shaped limiting hook plate is arranged on the inner top of the supporting arc plate, a limiting ring plate is arranged in the inner hole of the supporting arc plate, a limiting flange hooked on the outer side of the limiting hook plate is arranged on the top of the limiting ring plate, and a limiting retaining ring sleeved on the inner side of the bottom of the limiting ring plate is arranged.

[0006] As a preferred embodiment, a rubber ring is fixed in the inner hole of the limit retaining ring to better protect the screening cylinder.

[0007] As a preferred embodiment, a supporting groove is provided on the top of the tray for supporting the bottom of the lowest screening cylinder, so as to better limit the bottom of the screening cylinder.

[0008] As a preferred embodiment, the shaking drive mechanism includes a driving motor fixed on the bottom box, a driving shaft is rotatably installed in the support box, the lower end of the driving shaft extends into the bottom box and is fixed with a driven gear, the driven gear is meshed with an active gear fixed on the driving motor, the top of the driving shaft passes through the support box and is fixedly connected to an eccentric bearing installed on the shaking plate, the shaking plate is fixedly connected to a connecting plate, and the connecting plate is fixedly connected to the supporting arc plate, the structure is simple and practical.

[0009] As a preferred embodiment, a striking column is provided above the cover plate, a rubber block is fixed at the bottom of the striking column, a striking arm plate is fixed at the top of the striking column, an ear plate is installed on the other end of the striking arm plate through a pin shaft, the ear plate is fixedly connected to the support plate, and a striking drive mechanism is connected to the bottom of the striking arm plate, so that the striking column can be used to strike the top of the cover plate while shaking and screening, thereby increasing the screening effect.

[0010] The slapping driving mechanism comprises a slapping top rod, a guide sleeve is provided on the slapping top rod, the guide sleeve is fixed on the supporting box, a roller is rotatably installed at the bottom of the slapping top rod, a driving ring plate is provided under the roller, a descending concave platform is provided on the top of the driving ring plate, and smooth transition slopes and vertical connecting surfaces are respectively provided at the connection between the two ends of the descending concave platform and the two ends of the top of the driving ring plate, a driven pulley is fixed on the bottom of the driving ring plate, a support shaft is rotatably installed in the middle of the driven pulley, the bottom of the support shaft is fixed on the supporting box, the top of the support shaft passes through the supporting box and the shaking plate and is fixed to the supporting plate, the driven pulley is connected to the active pulley fixed on the driving shaft through a belt, and the shaking plate is provided with an avoidance hole for avoiding the support shaft and the slapping top rod, and the slapping column is also driven by a driving motor to reduce the setting of power components and reduce costs.

[0011] As a preferred embodiment, the top left end of the shaking plate and the lower end of the support column are connected to crankshafts, the other end of the crankshaft connected to the shaking plate is rotatably mounted on the support plate, and the other end of the crankshaft connected to the support column is rotatably mounted on the support box, so that the shaking of the shaking plate and the support column is more stable.

[0012] As a preferred embodiment, a second avoidance hole is provided on the bottom box outside the lower end of the support column, and a protective rubber sheet is fixed on the support column above the second avoidance hole, and the protective rubber sheet can prevent dust from entering the bottom box.

[0013] As a preferred embodiment, a non-slip rubber pad is fixed to the bottom of the bottom box to better prevent the bottom box from sliding during operation.

[0014] Technical effects and advantages of the utility model:

[0015] By fixing the supporting arc plate on the top of the supporting column, and then arranging a limiting hook plate on the supporting arc plate, arranging a limiting ring plate inside the supporting arc plate, and then the limiting ring plate is buckled on the limiting hook plate through a limiting flange, and a limiting retaining ring is provided on the inner side of the bottom of the limiting ring plate, which is sleeved on the outer wall of the screening cylinder. The top of the screening cylinder can be supported, and the limiting ring plate can be removed upwards after screening, and then the screening cylinder can be moved upwards and taken out from the notch of the supporting arc plate, which is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a partial main structural schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the main structure supporting the curved plate;

[0019] Figure 4 A schematic diagram of the top structure supporting the curved plate;

[0020] Figure 5 It is a schematic diagram of the structure of the pallet;

[0021] Figure 6 It is a rear view structural schematic diagram of the driving ring plate;

[0022] The accompanying drawings are marked as follows: 1. Anti-slip rubber pad; 2. Bottom box; 3. Protective rubber sheet; 4. Locking bolt; 5. Tray; 6. Support arm plate; 7. Support column; 8. Support arc plate; 9. Screening cylinder; 10. Limiting ring plate; 11. Cover plate; 12. Connecting plate; 13. Support plate; 14. Slap arm plate; 15. Shaking plate; 16. Driving motor; 17. Support box; 18. Limiting retaining ring; 19. Limiting flange; 20. Limiting hook plate; 21. Slapping column; 22. Eccentric bearing; 23. Slapping top rod; 24. Support shaft; 25. Driving ring plate; 26. Driven pulley; 27. Roller; 28. Driving shaft; 29. ​​Driven gear; 30. Descending concave platform; 31. Smooth transition slope; 32. Vertical connecting surface. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement schemes or common means, they are no longer described in detail herein, but still fall within the scope of protection of the present application.

[0024] Embodiment 1, as Figures 1 to 6As shown, the utility model is a screening device for rare earth mineral detection, including a bottom box 2, a support box 17 is fixed on one side of the bottom box 2, a shaking plate 15 is provided on the top of the support box 17, the shaking plate 15 is connected to a shaking drive mechanism, the right end of the shaking plate 15 is connected to a supporting arc plate 8, the bottoms of both ends of the supporting arc plate 8 are fixed with support columns 7, the lower ends of the support columns 7 are installed on the bottom box 2, the two support columns 7 are provided with guide sleeves, a support arm plate 6 is fixed between the two guide sleeves, the support arm plate 6 is provided with a locking bolt 4, and the top middle of the support arm plate 6 is fixed A tray 5 is fixed, and multiple screening cylinders 9 are placed above the tray 5. A cover plate 11 is provided on the top of the screening cylinder 9, and an arc-shaped limiting hook plate 20 is provided on the inner top of the supporting arc plate 8. A limiting ring plate 10 is provided in the inner hole of the supporting arc plate 8, and a limiting flange 19 is provided on the top of the limiting ring plate 10, which is hooked on the outer side of the limiting hook plate 20. The distance between the limiting hook plate 20 and the inner side of the limiting flange 19 and the outer wall of the limiting ring plate 10 is an interference fit, and a limiting retaining ring 18 is provided on the inner side of the bottom of the limiting ring plate 10, which is sleeved on the outer wall of the screening cylinder 9.

[0025] When in use, loosen the locking bolt 4, then lower the tray 5 to the lowest position, put the material to be screened in from the top inlet of the screening cylinder 9, then put the screening cylinder 9 on the tray 5, put the cover plate 11 on the top of the screening cylinder 9, and then move the arm plate 6 upward so that the cover plate 11 extends into the inner hole of the supporting arc plate 8, then tighten the locking bolt 4, and then put the limiting ring plate 10 in from the top of the supporting arc plate 8, and the limiting flange 19 is pressed on the limiting hook plate 20. At this time, the limit ring 18 is sleeved on the outer side of the upper part of the screening drum 9 to limit the position to prevent the upper part of the screening drum 9 from escaping from the notch of the supporting arc plate 8 when shaking. Then the shaking drive mechanism can be started to drive the shaking plate 15 and the supporting arc plate 8 to shake, thereby driving the screening drum 9 to shake for screening. When the screening is completed, the shaking drive mechanism stops, and then the limit ring plate 10 is taken out upwards, and the screening drum 9 can be taken out from the notch of the supporting arc plate 8 to complete the screening work.

[0026] Embodiment 2, based on embodiment 1, a rubber ring is fixed in the inner hole of the limit stop ring 18.

[0027] The top of the tray 5 is provided with a supporting groove for supporting the bottom of the lowest screening cylinder 9. There are multiple screening cylinders 9, which are stacked together in the vertical direction. The bottom of the lowest screening cylinder 9 is closed. Screens are fixed in the screening cylinders 9 except the lowest screening cylinder 9. The screen holes of the upper screens are larger than the screen holes of the lower screens. The bottom of the cover plate 11 is provided with a clamping boss extending into the inner hole of the screening cylinder 9.

[0028] The shaking drive mechanism includes a driving motor 16 fixed on the bottom box 2, a driving shaft 28 is rotatably installed in the support box 17, the lower end of the driving shaft 28 extends into the bottom box 2 and is fixed with a driven gear 29, the driven gear 29 is meshed with a driving gear fixed on the driving motor 16, the top of the driving shaft 28 passes through the support box 17 and is fixedly connected to an eccentric bearing 22 installed on the shaking plate 15, the shaking plate 15 is fixedly connected to a connecting plate 12, and the connecting plate 12 is fixedly connected to the supporting arc plate 8. During screening, the driving motor 16 rotates, drives the driving shaft 28 to rotate through the driving gear and the driven gear 29, and then drives the shaking plate 15 to shake through the eccentric bearing 22.

[0029] A striking column 21 is provided above the cover plate 11, a rubber block is fixed to the bottom of the striking column 21, a striking arm plate 14 is fixed to the top of the striking column 21, an ear plate is rotatably installed on the other end of the striking arm plate 14 through a pin shaft, the ear plate is fixedly connected to the support plate 13, and a striking drive mechanism is connected to the bottom of the striking arm plate 14.

[0030] The slapping drive mechanism includes a slapping top rod 23, on which a guide sleeve is provided, which is fixed on the support box 17, a roller 27 is rotatably installed at the bottom of the slapping top rod 23, a driving ring plate 25 is provided below the roller 27, a descending concave platform 30 is provided at the top of the driving ring plate 25, and smooth transition slopes 31 and vertical connecting surfaces 32 are respectively provided at the connection points between the two ends of the descending concave platform 30 and the two ends of the top of the driving ring plate 25, a driven pulley 26 is fixed at the bottom of the driving ring plate 25, a support shaft 24 is rotatably installed in the middle of the driven pulley 26, the bottom of the support shaft 24 is fixed on the support box 17, the top of the support shaft 24 passes through the support box 17 and the shaking plate 15 and is fixed to the support plate 13, the driven pulley 26 is connected to the active pulley fixed on the driving shaft 28 through a belt, and the shaking plate 15 is provided with an avoidance hole 1 for avoiding the support shaft 24 and the slapping top rod 23. The setting of the avoidance hole 1 can leave sufficient avoidance space for the support shaft 24 and the slapping top rod 23 to prevent the shaking plate 15 from hitting the support shaft 24 and the slapping top rod 23 when shaking. When the driving shaft 28 rotates, it will drive the driven pulley 26 to rotate on the support shaft 24 through the active pulley and the belt, and will also drive the driving ring plate 25 to rotate. When the roller 27 rolls from the descending concave platform 30 to the top position of the driving ring plate 25 through the smooth transition slope 31, the slapping top rod 23 will smoothly rotate. The slapping arm plate 14 rises and lifts up the slapping arm plate 14, so that the slapping arm plate 14 rotates around the pin shaft, and the slapping column 21 is spaced apart from the cover plate 11. Due to the setting of the smooth transition slope 31, the slapping top rod 23 rises smoothly and will not directly lift up the slapping top rod 23, and the roller 27 is protected. When the roller 27 descends from the top position of the driving ring plate 25 through the vertical connecting surface 32 to the descending concave platform 30, it will fall directly and quickly. At this time, the slapping column 21 quickly hits the cover plate 11 to perform slapping.

[0031] The top left end of the shaking plate 15 and the lower end of the support column 7 are both rotatably connected to a crankshaft, the other end of the crankshaft connected to the shaking plate 15 is rotatably mounted on the support plate 13, and the other end of the crankshaft connected to the support column 7 is rotatably mounted on the support box 17.

[0032] A second avoidance hole is provided on the bottom box 2 outside the lower end of the support column 7, and a protective rubber sheet 3 is fixed on the support column 7 above the second avoidance hole.

[0033] A non-slip rubber pad 1 is fixed to the bottom of the bottom box 2 .

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0035] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A screening device for detecting rare earth minerals, comprising a bottom box (2), a support box (17) fixed to one side of the bottom box (2), a shaking plate (15) provided on the top of the support box (17), the shaking plate (15) connected to a shaking drive mechanism, a supporting arc plate (8) connected to the right end of the shaking plate (15), supporting columns (7) fixed to the bottoms of both ends of the supporting arc plate (8), the lower ends of the supporting columns (7) being mounted on the bottom box (2), characterized in that: Guide sleeves are provided on the two support columns (7), a support arm plate (6) is fixed between the two guide sleeves, a locking bolt (4) is provided on the support arm plate (6), a tray (5) is fixed in the middle of the top of the support arm plate (6), a plurality of screening cylinders (9) are placed above the tray (5), a cover plate (11) is provided on the top of the screening cylinder (9), a circular arc-shaped limiting hook plate (20) is provided on the top of the inner side of the supporting arc plate (8), a limiting ring plate (10) is provided in the inner hole of the supporting arc plate (8), a limiting flange (19) hooked on the outer side of the limiting hook plate (20) is provided on the top of the limiting ring plate (10), and a limiting retaining ring (18) sleeved on the outer wall of the screening cylinder (9) is provided on the inner side of the bottom of the limiting ring plate (10).

2. The screening device for rare earth mineral detection according to claim 1, characterized in that: A rubber ring is fixed in the inner hole of the limit retaining ring (18).

3. The screening device for rare earth mineral detection according to claim 1 or 2, characterized in that: The top of the tray (5) is provided with a supporting groove for supporting the bottom of the lowest screening cylinder (9).

4. The screening device for rare earth mineral detection according to claim 1, characterized in that: The shaking drive mechanism comprises a driving motor (16) fixed on the bottom box (2), a driving shaft (28) rotatably mounted in the support box (17), the lower end of the driving shaft (28) extending into the bottom box (2) and fixed with a driven gear (29), the driven gear (29) meshing with a driving gear fixed on the driving motor (16), the top of the driving shaft (28) passing through the support box (17) and fixedly connected with an eccentric bearing (22) mounted on the shaking plate (15), the shaking plate (15) being fixedly connected with a connecting plate (12), and the connecting plate (12) being fixedly connected with the supporting arc plate (8).

5. The screening device for rare earth mineral detection according to claim 4, characterized in that: A striking column (21) is provided above the cover plate (11), a rubber block is fixed to the bottom of the striking column (21), a striking arm plate (14) is fixed to the top of the striking column (21), an ear plate is rotatably mounted on the other end of the striking arm plate (14) via a pin, the ear plate is fixedly connected to the support plate (13), and a striking drive mechanism is connected to the bottom of the striking arm plate (14).

6. The screening device for rare earth mineral detection according to claim 5, characterized in that: The slapping driving mechanism comprises a slapping top rod (23), a guide sleeve is provided on the slapping top rod (23), the guide sleeve is fixed on the support box (17), a roller (27) is rotatably mounted on the bottom of the slapping top rod (23), a driving ring plate (25) is provided below the roller (27), a descending concave platform (30) is provided on the top of the driving ring plate (25), smooth transition slope surfaces (31) and vertical connection surfaces (32) are respectively provided at the connection points between the two ends of the descending concave platform (30) and the two ends of the top of the driving ring plate (25), and the driving ring plate ( A driven pulley (26) is fixed at the bottom of the driven pulley (25), a support shaft (24) is rotatably mounted in the middle of the driven pulley (26), the bottom of the support shaft (24) is fixed on the support box (17), the top of the support shaft (24) passes through the support box (17) and the shaking plate (15) and is fixed to the support plate (13), the driven pulley (26) is connected to the active pulley fixed on the drive shaft (28) through a belt, and the shaking plate (15) is provided with an avoidance hole for avoiding the support shaft (24) and the slapping top rod (23).

7. The screening device for rare earth mineral detection according to claim 6, characterized in that: The top of the left end of the shaking plate (15) and the lower end of the support column (7) are both connected to a crankshaft, the other end of the crankshaft connected to the shaking plate (15) is rotatably mounted on the support plate (13), and the other end of the crankshaft connected to the support column (7) is rotatably mounted on the support box (17).

8. The screening device for rare earth mineral detection according to claim 7, characterized in that: A second avoidance hole is provided on the bottom box (2) outside the lower end of the support column (7), and a protective rubber sheet (3) is fixed on the support column (7) above the second avoidance hole.

9. The screening device for rare earth mineral detection according to claim 1, characterized in that: A non-slip rubber pad (1) is fixed to the bottom of the bottom box (2).

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