Screening machine capable of conducting multi-stage screening

Abstract

The utility model relates to the technical field of screening machines, and discloses a multi-stage screening machine which comprises a base and a screening box, three dust suction pipes are fixedly connected to the back of the screening box, a dust falling pipe is fixedly connected to the other ends of the three dust suction pipes, and a water pipe is fixedly connected to the upper end of the dust falling pipe. The bottom of the water pipe penetrates through the dust falling pipe and is connected with a mist spray head; the dust collector is connected with the dust falling pipe through a pipeline, so that the three dust collection pipes on the inner side of the dust falling pipe generate suction force to absorb dust particles generated in the screening box, and the water pipe is externally connected with a water source, so that a mist-shaped spray head sprays and falls dust in the dust falling pipe; and dust in the air is secondarily purified and filtered through a filter screen on the inner side of the treatment box, so that dust particles generated during screening operation of the screening box can be effectively removed, the surrounding working environment is purified, the body health of operators is ensured, and the environmental protection property of the device is improved.

Description

Technical Field

[0001] The present application relates to the field of screening machine technology, and in particular to a screening machine capable of multi-stage screening. Background Art

[0002] Multi-stage screening machines are widely used in mining, chemical, food and other industries to classify materials of different particle sizes. Although traditional and existing multi-stage screening machines have made significant progress in material screening efficiency and accuracy, they still have some shortcomings;

[0003] During the screening process of the existing screening machine, especially when screening materials with dust or fine particles on the surface, a large amount of dust will be generated. If this dust is directly discharged, it will not only pollute the environment, but also cause harm to the health of the operators. For this reason, we urgently need to provide a screening machine that can perform multi-stage screening.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem that direct discharge of dust will not only pollute the environment but also cause harm to the health of operators, the present application provides a screening machine capable of multi-stage screening.

[0006] The present application provides a screening machine capable of multi-stage screening, which adopts the following technical solution:

[0007] A screening machine capable of multi-stage screening comprises a base and a screening box, wherein three dust suction pipes are fixedly connected to the back of the screening box, the other ends of the three dust suction pipes are fixedly connected to dust reduction pipes, the upper ends of the dust reduction pipes are fixedly connected to water pipes, the bottoms of the water pipes penetrate the dust reduction pipes and are connected to mist nozzles, a dust collector and a processing box are fixedly installed on the back of the screening box, the output end of the dust collector is connected to the interior of the dust reduction pipe through a pipeline, the other end of the dust collector is fixedly connected to a conduit, the other end of the conduit is connected to the interior of the processing box, and a filter is fixedly connected to the middle of the inner wall of the processing box.

[0008] Preferably, a drain pipe is fixedly connected to the bottom of the dust suppression pipe, and a plurality of exhaust ports are evenly arranged on the side of the processing box.

[0009] Preferably, four vibration springs are evenly installed at the four corners of the upper end of the base, and the upper ends of the four vibration springs are respectively fixedly connected to the bottom of the screening box.

[0010] Preferably, a mounting frame is fixedly connected to the side of the screening box, and a vibration motor is installed inside the mounting frame.

[0011] Preferably, a visual panel is fixedly connected to the front surface of the screening box, and two feed hoppers are welded to the upper end of the screening box.

[0012] Preferably, three screening nets are evenly fixedly connected inside the screening box, and three discharge hoppers are evenly welded and connected on the right side of the screening box, and the inner sides of the discharge hoppers correspond to the right ends of the screening nets respectively.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. The dust collector is connected to the dust suppression pipe through a pipeline, so that the three dust suction pipes inside the dust suppression pipe generate suction to absorb the dust particles generated inside the screening box. The water pipe is connected to an external water source to make the mist nozzle spray the dust inside the dust suppression pipe. The filter net inside the treatment box is used to perform secondary purification and filtration of the dust in the air. The dust particles generated by the screening box during the screening operation can be effectively removed, the surrounding working environment can be purified, the health of the operators can be ensured, and the environmental protection of the device can be improved.

[0015] 2. By setting four vibration springs at the bottom of the screening box, when the vibration motor drives the screening box to vibrate, the four vibration springs increase the vibration amplitude of the screening box, so that the screened materials can maintain high-frequency movement, thereby improving the screening efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall front view structure of the embodiment of the application;

[0017] Figure 2 is a schematic diagram of the internal structure of the screening box of the application embodiment;

[0018] Figure 3 is a schematic diagram of the rear view structure of the screening box of the embodiment of the application;

[0019] Figure 4 It is a schematic diagram of the overall side view structure of the application embodiment.

[0020] Explanation of the accompanying drawings: 1. Base; 2. Screening box; 3. Visual panel; 4. Vibration spring; 5. Mounting frame; 6. Vibration motor; 7. Feed hopper; 8. Screening net; 9. Discharge hopper; 10. Dust suppression pipe; 11. Dust suction pipe; 12. Water pipe; 13. Mist nozzle; 14. Drain pipe; 15. Vacuum cleaner; 16. Conduit; 17. Processing box; 18. Filter net; 19. Exhaust port. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The present application embodiment discloses a screening machine capable of multi-stage screening, referring to Figure 3-Figure 4 , including a base 1 and a screening box 2, three dust suction pipes 11 are fixedly connected to the back of the screening box 2, and the other ends of the three dust suction pipes 11 are fixedly connected to the dust reduction pipe 10, and the three dust suction pipes 11 inside the dust reduction pipe 10 generate suction through a dust collector 15 to absorb the dust particles generated inside the screening box 2, and the upper end of the dust reduction pipe 10 is fixedly connected to a water pipe 12, and the bottom of the water pipe 12 passes through the dust reduction pipe 10 and is connected to a mist nozzle 13, and the water pipe 12 can be connected to an external water source so that the mist nozzle 13 sprays dust inside the dust reduction pipe 10, and a dust collector 15 and a processing box 17 are fixedly installed on the back of the screening box 2, and the output end of the dust collector 15 is connected to the inside of the dust reduction pipe 10 through a pipeline, and the other end of the dust collector 15 is fixedly connected to a guide tube 16, and the other end of the guide tube 16 One end is connected to the interior of the treatment box 17, and the vacuum cleaner 15 is convenient for conveying the air inside the dust reduction pipe 10 to the treatment box 17 for secondary treatment through the conduit 16. A filter screen 18 is fixedly connected to the middle of the inner wall of the treatment box 17, and the filter screen 18 inside the treatment box 17 is used to perform secondary purification and filtration of dust in the air, which can effectively remove the dust particles generated by the screening box 2 during the screening operation, purify the surrounding working environment, ensure the health of the operators, and improve the environmental protection of the device. The bottom of the dust reduction pipe 10 is fixedly connected to a drain pipe 14, which is convenient for discharging and collecting the sewage generated inside the dust reduction pipe 10. A plurality of exhaust ports 19 are evenly opened on the side of the treatment box 17, and the filtered air is discharged to the outside air from the exhaust port 19.

[0023] Reference Figure 1 Four vibration springs 4 are evenly installed at the four corners of the upper end of the base 1, and the upper ends of the four vibration springs 4 are respectively fixedly connected to the bottom of the screening box 2, and the side of the screening box 2 is fixedly connected with a mounting frame 5, and a vibration motor 6 is installed on the inner side of the mounting frame 5. By arranging four vibration springs 4 at the bottom of the screening box 2, when the vibration motor 6 drives the screening box 2 to vibrate, the vibration amplitude of the screening box 2 is increased in cooperation with the four vibration springs 4, so that the screened materials can maintain high-frequency movement, thereby improving the screening efficiency of the device.

[0024] Reference Figure 1-Figure 2 A visible panel 3 is fixedly connected to the front surface of the screening box 2, two feed hoppers 7 are welded to the upper end of the screening box 2, three screening nets 8 are evenly fixedly connected to the inside of the screening box 2, and the three screening nets 8 can be set to different mesh numbers according to needs to facilitate screening of materials of different specifications, and three discharge hoppers 9 are evenly welded to the right side of the screening box 2, and the inner sides of the discharge hoppers 9 correspond to the right ends of the screening nets 8, respectively, so as to facilitate the separate discharge of materials screened by each screening net 8.

[0025] The implementation principle of a screening machine capable of multi-stage screening in an embodiment of the present application is as follows: when using the device, first start the vibration motor 6 on the mounting frame 5 to cooperate with the four vibration springs 4 at the bottom of the screening box 2 to make the screening box 2 shake, then pour the material to be screened into the interior of the screening box 2 through the feed hopper 7, use three screening nets 8 with different mesh sizes to screen the material, and simultaneously start the vacuum cleaner 15 to extract the dust generated inside the screening box 2 through three dust suction pipes 11, then connect the water pipe 12 to an external water source, so that the mist nozzle 13 sprays dust particles inside the dust reduction pipe 10, and at the same time, the vacuum cleaner 15 injects dust-laden air into the processing box 17 through the conduit 16, uses the filter net 18 to perform secondary purification and filtration on the air, and finally discharges it from the exhaust port 19.

[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0029] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A screening machine capable of multi-stage screening, comprising a base (1) and a screening box (2), characterized in that: The back of the screening box (2) is fixedly connected with three dust suction pipes (11), the other ends of the three dust suction pipes (11) are fixedly connected with a dust reduction pipe (10), the upper end of the dust reduction pipe (10) is fixedly connected with a water pipe (12), the bottom of the water pipe (12) passes through the dust reduction pipe (10) and is connected with a mist nozzle (13), the back of the screening box (2) is fixedly installed with a dust collector (15) and a processing box (17), the output end of the dust collector (15) is connected to the inside of the dust reduction pipe (10) through a pipeline, the other end of the dust collector (15) is fixedly connected with a guide tube (16), the other end of the guide tube (16) is connected to the inside of the processing box (17), and the middle part of the inner wall of the processing box (17) is fixedly connected with a filter screen (18).

2. A screening machine capable of multi-stage screening according to claim 1, characterized in that: The bottom of the dust suppression pipe (10) is fixedly connected to a drainage pipe (14), and a plurality of exhaust ports (19) are evenly arranged on the side of the processing box (17).

3. A screening machine capable of multi-stage screening according to claim 1, characterized in that: Four vibration springs (4) are evenly mounted at the four corners of the upper end of the base (1), and the upper ends of the four vibration springs (4) are respectively fixedly connected to the bottom of the screening box (2).

4. A screening machine capable of multi-stage screening according to claim 1, characterized in that: A mounting frame (5) is fixedly connected to the side of the screening box (2), and a vibration motor (6) is installed inside the mounting frame (5).

5. A screening machine capable of multi-stage screening according to claim 1, characterized in that: A visible panel (3) is fixedly connected to the front surface of the screening box (2), and two feed hoppers (7) are welded to the upper end of the screening box (2).

6. A screening machine capable of multi-stage screening according to claim 1, characterized in that: Three screening nets (8) are evenly fixedly connected inside the screening box (2), and three discharge hoppers (9) are evenly welded to the right side of the screening box (2), and the inner sides of the discharge hoppers (9) respectively correspond to the right ends of the screening nets (8).

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