A new drum screening device

Abstract

The utility model discloses a novel drum screening device, which belongs to the field of screening devices, comprising a mounting base, a screening mechanism and a power mechanism, wherein a mounting cylinder is rotatably mounted on one side of the mounting base, a sliding seat is slidably mounted on the other side of the mounting base, a hydraulic push rod is externally arranged on one side of the mounting base, and the output end of the hydraulic push rod is rotatably connected to the mounting cylinder, and the screening mechanism comprises an outer screening cylinder and an inner screening cylinder; the utility model arranges a screening mechanism, pours materials into the outer screening cylinder through a feed port, utilizes the size difference of holes on the outer screening cylinder and the inner screening cylinder, so that the outer screening cylinder can block large-sized materials in the outer screening cylinder and allow small-sized materials to enter the inner screening cylinder, and then the inner screening cylinder will also screen out smaller-sized materials, and finally pour out the materials in the outer screening cylinder and the inner screening cylinder through a first discharge port and a second discharge port, thereby achieving the purpose of screening materials of multiple specifications.

Description

Technical Field

[0001] The utility model relates to the technical field related to screening devices, in particular to a novel drum screening device. Background Art

[0002] The drum screening machine is a device widely used in screening various solid materials. It has many advantages such as high screening efficiency, low noise, low dust, long service life, small maintenance and easy maintenance. Its principle is to use sieves with different mesh sizes to separate solid materials according to the required particle size.

[0003] Most common drum screening devices are single-drum structures, which can only screen materials once and cannot screen materials of various specifications. Utility Model Content

[0004] In order to solve the defects in the prior art, the utility model provides a novel drum screening device.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a novel drum screening device, comprising a mounting base, a screening mechanism and a power mechanism, a mounting cylinder is rotatably mounted on one side of the mounting base, a sliding seat is slidably mounted on the other side of the mounting base, a hydraulic push rod is arranged on the outside of one side of the mounting base, and the output end of the hydraulic push rod is rotatably connected to the mounting cylinder, the screening mechanism comprises an outer screening cylinder and an inner screening cylinder, the outer screening cylinder is mounted between the mounting cylinder and the sliding seat, the inner screening cylinder is arranged in the outer screening cylinder, the power mechanism comprises a mounting frame arranged near one side of the sliding seat, a first motor is fixedly mounted on the mounting frame, a first transmission wheel is arranged at the output end of the first motor, and a driven rack corresponding to the position of the first transmission wheel is arranged at one end of the outer arm of the outer screening cylinder near the sliding seat.

[0007] As a preferred technical solution of the utility model, a second motor is fixedly installed on one end of the mounting base close to the mounting cylinder, a second transmission wheel is arranged on the output end of the second motor, and a driven wheel corresponding to the position of the second transmission wheel is arranged on one end of the outer wall of the outer screening cylinder close to the mounting cylinder.

[0008] As a preferred technical solution of the utility model, a support seat is provided at one end of the mounting base, the mounting tube is rotatably mounted on the support seat, and a mounting frame is provided at the other end of the mounting base, and the sliding seat is slidably mounted in the mounting frame.

[0009] As a preferred technical solution of the utility model, a first bearing group is arranged in the mounting cylinder, a second bearing group is arranged in the sliding seat, the central axis of one end of the outer screening cylinder is fixed on the inner ring of the first bearing group, and the central axis of the other end of the outer screening cylinder is located in the inner ring of the second bearing group.

[0010] As a preferred technical solution of the utility model, two electric push rods are installed on the installation frame, the output ends of the two electric push rods are connected to the sliding seat, and a differential is arranged between the first motor and the first transmission wheel.

[0011] As a preferred technical solution of the utility model, a feed port connected to the inner screening cylinder is arranged between the same side ends of the outer screening cylinder and the inner screening cylinder, a first discharge port connected to the outer screening cylinder is arranged on one side of the outer screening cylinder, a second discharge port connected to the inner screening cylinder is arranged at one end of the inner screening cylinder, and the first discharge port is adjacent to the second discharge port.

[0012] As a preferred technical solution of the utility model, the feed port, the first discharge port and the second discharge port are all provided with sealing covers, and a partition plate fixed on the outer screening cylinder is provided between the first discharge port and the second discharge port.

[0013] In the above solution, it should be noted that the hydraulic push rod, the first motor, the second motor and the electric push rod are all externally connected to a power source and electrically connected to a controller.

[0014] The beneficial effects of the utility model are:

[0015] 1. This new drum screening device, by setting up a screening mechanism, pours the material into the outer screening cylinder through the feed port, and utilizes the size difference of the holes on the outer screening cylinder and the inner screening cylinder to enable the outer screening cylinder to block the large-sized material in the outer screening cylinder and allow the small-sized material to enter the inner screening cylinder. After that, the inner screening cylinder will also screen out the smaller-sized material, and finally pour out the materials in the outer screening cylinder and the inner screening cylinder through the first discharge port and the second discharge port, thereby achieving the purpose of screening materials of multiple specifications.

[0016] 2. This new type of drum screening device is equipped with a power mechanism, a second motor, a second transmission wheel and a driven wheel. When the outer screening drum is in a horizontal state, the first transmission wheel will mesh with the driven rack. At this time, the first motor can drive the outer screening drum to rotate continuously, so that the materials in the outer screening drum and the inner screening drum will roll, which is beneficial to material screening. When the outer screening drum is in an inclined state, the driven wheel will mesh with the second transmission wheel. At this time, the second motor can drive the outer screening drum to rotate back and forth in a small range, helping to pour out the materials in the outer screening drum and the inner screening drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the main structure of a new drum screening device of the utility model;

[0019] Figure 2 This is a rear structural schematic diagram of a novel drum screening device of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure of the mounting base, mounting cylinder and sliding seat of a new drum screening device of the utility model;

[0021] Figure 4 This is a schematic diagram of the main structure of the connection between the outer screening cylinder and the inner screening cylinder of a new drum screening device of the utility model;

[0022] Figure 5 This is a schematic diagram of the rear view structure of the connection between the outer screening cylinder and the inner screening cylinder of a new drum screening device of the utility model;

[0023] Figure 6 This is a schematic diagram of the connection structure of a mounting frame and a first motor of a novel drum screening device of the utility model.

[0024] In the figure: 1. mounting base; 2. mounting cylinder; 3. sliding seat; 4. hydraulic push rod; 5. outer screening cylinder; 6. inner screening cylinder; 7. mounting frame; 8. first motor; 9. first transmission wheel; 10. second motor; 11. second transmission wheel; 12. driven wheel; 13. driven rack; 14. supporting seat; 15. mounting frame; 16. first bearing group; 17. second bearing group; 18. electric push rod; 19. differential; 20. feed port; 21. first discharge port; 22. second discharge port; 23. partition plate. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0026] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the utility model is a new type of drum screening device, including a mounting base 1, a screening mechanism and a power mechanism, a mounting cylinder 2 is rotatably mounted on one side of the mounting base 1, a sliding seat 3 is slidably mounted on the other side of the mounting base 1, a hydraulic push rod 4 is arranged on the outside of one side of the mounting base 1, and the output end of the hydraulic push rod 4 is rotatably connected to the mounting cylinder 2, the screening mechanism includes an outer screening cylinder 5 and an inner screening cylinder 6, the outer screening cylinder 5 is installed between the mounting cylinder 2 and the sliding seat 3, and the inner screening cylinder 6 is arranged in the outer screening cylinder 5, the power mechanism includes a mounting frame 7 arranged on one side close to the sliding seat 3, a first motor 8 is fixedly mounted on the mounting frame 7, a first transmission wheel 9 is arranged at the output end of the first motor 8, and a driven rack 13 corresponding to the position of the first transmission wheel 9 is arranged on the outer arm of the outer screening cylinder 5 at one end close to the sliding seat 3.

[0027] Among them, a second motor 10 is fixedly installed on one end of the mounting base 1 close to the mounting cylinder 2, and a second transmission wheel 11 is arranged on the output end of the second motor 10, and a driven wheel 12 corresponding to the position of the second transmission wheel 11 is arranged on the outer wall of the outer screening cylinder 5 close to the mounting cylinder 2. By arranging the second motor 10, the second transmission wheel 11 and the driven wheel 12, when the outer screening cylinder 5 is in an inclined state, the cooperation of the second transmission wheel 11 and the driven wheel 12 can drive the outer screening cylinder 5 to rotate back and forth slightly.

[0028] Among them, a support seat 14 is provided at one end of the mounting base 1, and the mounting cylinder 2 is rotatably installed on the support seat 14. A mounting frame 15 is provided at the other end of the mounting base 1, and the sliding seat 3 is slidably installed in the mounting frame 15. By setting the support seat 14 and the mounting frame 15, the installation of the mounting cylinder 2 and the sliding seat 3 is facilitated.

[0029] Among them, a first bearing group 16 is arranged in the mounting cylinder 2, a second bearing group 17 is arranged in the sliding seat 3, the central axis of one end of the outer screening cylinder 5 is fixed on the inner ring of the first bearing group 16, and the central axis of the other end of the outer screening cylinder 5 is located in the inner ring of the second bearing group 17. By arranging the first bearing group 16 and the second bearing group 17, the rotation of the outer screening cylinder 5 is facilitated.

[0030] Among them, two electric push rods 18 are installed on the installation frame 15, and the output ends of the two electric push rods 18 are connected to the sliding seat 3. A differential 19 is arranged between the first motor 8 and the first transmission wheel 9. By arranging the electric push rod 18, it is convenient to drive the sliding seat 3 to slide. By arranging the differential 19, the rotation speed of the outer screening drum 5 can be reduced.

[0031] Among them, a feed port 20 connected to the inner screening cylinder 6 is arranged between the same side ends of the outer screening cylinder 5 and the inner screening cylinder 6, a first discharge port 21 connected to the outer screening cylinder 5 is arranged on one side of the outer screening cylinder 5, and a second discharge port 22 connected to the inner screening cylinder 6 is arranged at one end of the inner screening cylinder 6, and the first discharge port 21 is adjacent to the second discharge port 22. By setting the feed port 20, it is convenient to pour the material into the inner screening cylinder 6, and by setting the first discharge port 21 and the second discharge port 22, it is convenient to pour out the screened material in the outer screening cylinder 5 and the inner screening cylinder 6.

[0032] Among them, sealing covers are provided on the feed port 20, the first discharge port 21 and the second discharge port 22, and a partition plate 23 fixed on the outer screening cylinder 5 is provided between the first discharge port 21 and the second discharge port 22. By setting the partition plate 23, the materials discharged from the first discharge port 21 and the second discharge port 22 can be separated to prevent the two from mixing.

[0033] During operation, when the outer screening drum 5 is in a horizontal state, the first transmission wheel 9 will mesh with the driven rack 13, and then the material will be poured into the outer screening drum 5 through the feed port 20, and then the first motor 8 will be started, and the first motor 8 can drive the outer screening drum 5 to rotate continuously. By utilizing the size difference of the holes on the outer screening drum 5 and the inner screening drum 6, the outer screening drum 5 can block the large-sized materials in the outer screening drum 5 and allow the small-sized materials to enter the inner screening drum 6. After that, the inner screening drum 6 will also screen out the smaller-sized materials. After the screening is completed, the electric push rod 18 is used to control the sliding seat 3 to move away from the outer screening drum 5. Slide to let the central axis of the outer screening drum 5 disengage from the second bearing group 17 on the sliding seat 3, and then start the hydraulic push rod 4 to drive the outer screening drum 5 to tilt downward. When the outer screening drum 5 is in a tilted state, the driven wheel 12 will engage with the second transmission wheel 11. At this time, starting the second motor 10 can drive the outer screening drum 5 to rotate back and forth in a small range to help pour out the materials in the outer screening drum 5 and the inner screening drum 6, so as to achieve the purpose of screening materials of multiple specifications, and the partition plate 23 can separate the first discharge port 21 from the second discharge port 22 to prevent the screened materials from mixing together. After the materials are poured out, the outer screening drum 5 is reset.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A new drum screening device, characterized in that: The invention comprises a mounting base (1), a screening mechanism and a power mechanism, wherein a mounting cylinder (2) is rotatably mounted on one side of the mounting base (1), a sliding seat (3) is slidably mounted on the other side of the mounting base (1), a hydraulic push rod (4) is arranged outside one side of the mounting base (1), and the output end of the hydraulic push rod (4) is rotatably connected to the mounting cylinder (2), the screening mechanism comprises an outer screening cylinder (5) and an inner screening cylinder (6), the outer screening cylinder (5) is mounted between the mounting cylinder (2) and the sliding seat (3), and the inner screening cylinder (6) is arranged inside the outer screening cylinder (5), and the power mechanism comprises a mounting frame (7) arranged on one side close to the sliding seat (3), a first motor (8) is fixedly mounted on the mounting frame (7), a first transmission wheel (9) is arranged at the output end of the first motor (8), and a driven rack (13) corresponding to the position of the first transmission wheel (9) is arranged at one end of the outer arm of the outer screening cylinder (5) close to the sliding seat (3).

2. A new drum screening device according to claim 1, characterized in that: A second motor (10) is fixedly mounted on one end of the mounting base (1) close to the mounting cylinder (2), a second transmission wheel (11) is arranged on the output end of the second motor (10), and a driven wheel (12) corresponding to the position of the second transmission wheel (11) is arranged on the outer wall of the outer screening cylinder (5) close to the mounting cylinder (2).

3. A new drum screening device according to claim 1, characterized in that: A support seat (14) is provided at one end of the mounting base (1), the mounting tube (2) is rotatably mounted on the support seat (14), and a mounting frame (15) is provided at the other end of the mounting base (1), the sliding seat (3) is slidably mounted in the mounting frame (15).

4. A new drum screening device according to claim 1, characterized in that: A first bearing group (16) is arranged in the mounting cylinder (2), a second bearing group (17) is arranged in the sliding seat (3), a central axis at one end of the outer screening cylinder (5) is fixed on the inner ring of the first bearing group (16), and a central axis at the other end of the outer screening cylinder (5) is located in the inner ring of the second bearing group (17).

5. A new drum screening device according to claim 3, characterized in that: Two electric push rods (18) are installed on the installation frame (15), and the output ends of the two electric push rods (18) are connected to the sliding seat (3). A differential (19) is provided between the first motor (8) and the first transmission wheel (9).

6. A new drum screening device according to claim 1, characterized in that: A feed port (20) connected to the inner screening cylinder (6) is provided between the same side ends of the outer screening cylinder (5) and the inner screening cylinder (6); a first discharge port (21) connected to the outer screening cylinder (5) is provided on one side of the outer screening cylinder (5); a second discharge port (22) connected to the inner screening cylinder (6) is provided at one end of the inner screening cylinder (6); and the first discharge port (21) and the second discharge port (22) are adjacent to each other.

7. A new drum screening device according to claim 6, characterized in that: The feed port (20), the first discharge port (21) and the second discharge port (22) are all provided with sealing covers, and a partition plate (23) fixed on the outer screening cylinder (5) is provided between the first discharge port (21) and the second discharge port (22).

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