Centrifugal screening equipment

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to centrifugal screening equipment. A centrifugal screening device comprises a box body, a supporting column is fixedly arranged at the bottom of the box body, a feeding port and a discharging port are formed in a top plate and a bottom plate of the box body respectively, a centrifugal screen drum is arranged in the box body, the bottom of the centrifugal screen drum is rotationally connected with the discharging port, a baffle is arranged in the discharging port, and the bottom of the centrifugal screen drum is rotationally connected with the discharging port. A lifting mechanism is arranged at the bottom of the baffle, a driving motor is fixedly installed on the outer wall of the box body, a connecting block is fixedly connected to an output shaft of the driving motor, a transmission belt is arranged on the connecting block, the connecting block is in transmission connection with the top of a centrifugal screen drum through the transmission belt, and a screen plate is arranged above the centrifugal screen drum. The side face of the screen plate is in sliding connection with the inner wall of the box body, a vibrating mechanism is arranged below the screen plate, and a slag discharging opening is formed in the side wall of the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a centrifugal screening device. Background Art

[0002] Fertilizer refers to a type of substance that provides one or more essential nutrients for plants, improves soil properties and increases soil fertility. It is one of the material bases of agricultural production. It mainly includes ammonium phosphate fertilizers, large-element water-soluble fertilizers, medium-element fertilizers, biological fertilizers, organic fertilizers, multi-dimensional field energy concentrated organic fertilizers, etc.

[0003] At present, some fertilizer production sites adopt multi-stage screening solutions to screen fine fertilizers according to particle size to improve the quality and utilization rate of fertilizers. However, traditional screening methods often have problems such as low screening efficiency and uneven screening, and the slightest carelessness may cause blockage and affect production efficiency. Utility Model Content

[0004] The utility model aims to provide a centrifugal screening device to solve the problem that the traditional method of screening fertilizers is prone to blockage and affects production efficiency.

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

[0006] A centrifugal screening device comprises a box body, a support column is fixedly arranged at the bottom of the box body, a feed port and a discharge port are respectively arranged on the top plate and the bottom plate of the box body, a centrifugal screen drum is arranged inside the box body, the bottom of the centrifugal screen drum is rotatably connected with the discharge port, a baffle is arranged in the discharge port, a lifting mechanism is arranged at the bottom of the baffle, a driving motor is fixedly installed on the outer wall of the box body, a connecting block is fixedly connected to the output shaft of the driving motor, a transmission belt is arranged on the connecting block, the connecting block is transmission-connected to the top of the centrifugal screen drum through the transmission belt, a sieve plate is arranged above the centrifugal screen drum, the side surface of the sieve plate is slidably connected to the inner wall of the box body, a vibration mechanism is arranged below the sieve plate, and a slag discharge port is arranged on the side wall of the box body.

[0007] A further technical solution is that the lifting mechanism includes a hydraulic cylinder and a connecting plate, the hydraulic cylinder is fixedly mounted on a support column, one end of the connecting plate is fixedly connected to the bottom surface of the baffle, and the other end is fixedly connected to the piston rod of the hydraulic cylinder.

[0008] A further technical solution is that a material guide plate is fixedly installed between the sieve plate and the centrifugal sieve cylinder.

[0009] A further technical solution is that cleaning ports are provided at the bottoms of all side panels of the box.

[0010] A further technical solution is that the vibration mechanism includes a micro motor and a cam, the micro motor is fixedly mounted on the outer wall of the box, the output shaft of the micro motor passes through the side plate of the box and is fixedly connected to the side of the cam, and the top surface of the cam contacts the bottom surface of the screen plate.

[0011] A further technical solution is that a sealing door is provided on the slag discharge port, and one end of the sealing door is hinged to the box body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can guide the fertilizer into the centrifugal screen drum through the screen plate in the box body and the vibration mechanism below. The large-volume impurities that cannot pass through the screen plate can be cleaned through the slag discharge port. After the fertilizer enters the centrifugal screen drum, the driving motor is started to screen out the fine debris and waste materials that do not meet the specifications, and then they are cleaned through the cleaning port. The fertilizer that meets the specifications can be discharged and collected from the discharge port after the baffle is removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the centrifugal screen cylinder in the utility model.

[0017] Icons: 1-box, 2-support column, 3-feed port, 4-discharge port, 5-centrifugal screen drum, 6-baffle, 7-drive motor, 8-connecting block, 9-drive belt, 10-screen plate, 11-slag discharge port, 12-hydraulic cylinder, 13-connecting plate, 14-guide plate, 15-cleaning port, 16-micro motor, 17-cam, 18-sealing door. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] Figures 1 to 3 This is an embodiment of the utility model.

[0020] Embodiment 1:

[0021] A centrifugal screening device comprises a box body 1, a support column 2 is fixedly arranged at the bottom of the box body 1, a feed port 3 and a discharge port 4 are respectively arranged on the top plate and the bottom plate of the box body 1, a centrifugal screen drum 5 is arranged inside the box body 1, the bottom of the centrifugal screen drum 5 is rotatably connected to the discharge port 4, a baffle 6 is arranged in the discharge port 4, a lifting mechanism is arranged at the bottom of the baffle 6, a driving motor 7 is fixedly installed on the outer wall of the box body 1, a connecting block 8 is fixedly connected to the output shaft of the driving motor 7, a transmission belt 9 is arranged on the connecting block 8, the connecting block 8 is transmission-connected to the top of the centrifugal screen drum 5 through the transmission belt 9, a sieve plate 10 is arranged above the centrifugal screen drum 5, the side of the sieve plate 10 is slidably connected to the inner wall of the box body 1, a vibration mechanism is arranged below the sieve plate 10, and a slag discharge port 11 is arranged on the side wall of the box body 1.

[0022] The lifting mechanism includes a hydraulic cylinder 12 and a connecting plate 13 . The hydraulic cylinder 12 is fixedly mounted on the support column 2 . One end of the connecting plate 13 is fixedly connected to the bottom surface of the baffle 6 , and the other end is fixedly connected to the piston rod of the hydraulic cylinder 12 .

[0023] Cleaning ports 15 are provided at the bottom of all side panels of the box body 1 .

[0024] The vibration mechanism includes a micro motor 16 and a cam 17. The micro motor 16 is fixedly mounted on the outer wall of the box body 1. The output shaft of the micro motor 16 passes through the side plate of the box body 1 and is fixedly connected to the side surface of the cam 17. The top surface of the cam 17 contacts the bottom surface of the sieve plate 10.

[0025] Figure 1-3 The utility model shows a preferred embodiment of a centrifugal screening device, which specifically includes: when the utility model is put into use, fertilizer is put into the box body 1 from the feed port 3, and fertilizer without agglomeration can smoothly pass through the screen plate 10 into the centrifugal screen drum 5, while agglomerated fertilizer cannot pass through the screen plate 10 due to its large volume. At this time, the micro motor 16 is started to rotate the cam 17 to make the screen plate 10 vibrate, so that the agglomerated fertilizer can be broken up and fall into the centrifugal screen drum 5, and the fertilizer that cannot be broken up and the fertilizer with a large volume are finally Impurities can be cleaned out through the slag discharge port 11. After the drive motor 7 starts working, the connecting block 8 rotates. Under the action of the transmission belt 9, the centrifugal screen drum 5 rotates at the same time. Under the action of centrifugal force, the fine debris and waste that does not meet the specifications in the fertilizer will be screened out of the centrifugal screen drum 5, and then the hydraulic cylinder 12 is started to move the baffle 6 downward, and the fertilizer that meets the specifications can be discharged and collected from the discharge port. After the screening work is completed, the fine debris and waste that does not meet the specifications screened out in the box 1 can be cleaned through the cleaning port 15.

[0026] Embodiment 2:

[0027] A centrifugal screening device comprises a box body 1, a support column 2 is fixedly arranged at the bottom of the box body 1, a feed port 3 and a discharge port 4 are respectively arranged on the top plate and the bottom plate of the box body 1, a centrifugal screen drum 5 is arranged inside the box body 1, the bottom of the centrifugal screen drum 5 is rotatably connected to the discharge port 4, a baffle 6 is arranged in the discharge port 4, a lifting mechanism is arranged at the bottom of the baffle 6, a driving motor 7 is fixedly installed on the outer wall of the box body 1, a connecting block 8 is fixedly connected to the output shaft of the driving motor 7, a transmission belt 9 is arranged on the connecting block 8, the connecting block 8 is transmission-connected to the top of the centrifugal screen drum 5 through the transmission belt 9, a sieve plate 10 is arranged above the centrifugal screen drum 5, the side of the sieve plate 10 is slidably connected to the inner wall of the box body 1, a vibration mechanism is arranged below the sieve plate 10, and a slag discharge port 11 is arranged on the side wall of the box body 1.

[0028] The lifting mechanism includes a hydraulic cylinder 12 and a connecting plate 13 . The hydraulic cylinder 12 is fixedly mounted on the support column 2 . One end of the connecting plate 13 is fixedly connected to the bottom surface of the baffle 6 , and the other end is fixedly connected to the piston rod of the hydraulic cylinder 12 .

[0029] A material guide plate 14 is fixedly installed between the sieve plate 10 and the centrifugal sieve drum 5 .

[0030] Cleaning ports 15 are provided at the bottom of all side panels of the box body 1 .

[0031] The vibration mechanism includes a micro motor 16 and a cam 17. The micro motor 16 is fixedly mounted on the outer wall of the box body 1. The output shaft of the micro motor 16 passes through the side plate of the box body 1 and is fixedly connected to the side surface of the cam 17. The top surface of the cam 17 contacts the bottom surface of the sieve plate 10.

[0032] A sealing door 18 is provided on the slag discharge port 11 , and one end of the sealing door 18 is hinged to the box body 1 .

[0033] Figure 1-3 A preferred embodiment of a centrifugal screening device of the utility model is shown, and this embodiment specifically includes: when the utility model is put into use, a guide plate 14 is arranged between the screen plate 10 and the centrifugal screen drum 5, which can ensure that all fertilizers passing through the screen plate 10 can enter the centrifugal screen drum 5, so as to prevent the fertilizers from entering other positions in the box body 1, causing fertilizer waste and device damage, and the sealing door 18 arranged on the slag discharge port 11 can prevent the fertilizers on the screen plate 10 from flowing out of the slag discharge port 11, and the sealing door 18 is opened only when cleaning work is required.

[0034] Although the utility model is described herein with reference to a plurality of illustrative embodiments of the utility model, it should be understood that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the drawings and claims disclosed herein, various modifications and improvements may be made to the components and / or layout of the subject combination layout. In addition to the modifications and improvements made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A centrifugal screening device, characterized in that: The invention comprises a box body (1), a support column (2) is fixedly arranged at the bottom of the box body (1), a feed port (3) and a discharge port (4) are respectively arranged on the top plate and the bottom plate of the box body (1), a centrifugal screen drum (5) is arranged inside the box body (1), the bottom of the centrifugal screen drum (5) is rotatably connected to the discharge port (4), a baffle (6) is arranged in the discharge port (4), a lifting mechanism is arranged at the bottom of the baffle (6), and a drive motor (7) is fixedly installed on the outer wall of the box body (1). ), a connecting block (8) is fixedly connected to the output shaft of the driving motor (7), a transmission belt (9) is arranged on the connecting block (8), the connecting block (8) is transmission-connected to the top of the centrifugal screen drum (5) via the transmission belt (9), a screen plate (10) is arranged above the centrifugal screen drum (5), the side of the screen plate (10) is slidably connected to the inner wall of the box body (1), a vibration mechanism is arranged below the screen plate (10), and a slag discharge port (11) is arranged on the side wall of the box body (1).

2. A centrifugal screening device according to claim 1, characterized in that: The lifting mechanism comprises a hydraulic cylinder (12) and a connecting plate (13); the hydraulic cylinder (12) is fixedly mounted on the support column (2); one end of the connecting plate (13) is fixedly connected to the bottom surface of the baffle (6), and the other end is fixedly connected to the piston rod of the hydraulic cylinder (12).

3. A centrifugal screening device according to claim 1, characterized in that: A material guide plate (14) is fixedly mounted between the sieve plate (10) and the centrifugal sieve cylinder (5).

4. A centrifugal screening device according to claim 1, characterized in that: Cleaning ports (15) are provided at the bottom of all side panels of the box body (1).

5. A centrifugal screening device according to claim 1, characterized in that: The vibration mechanism comprises a micro motor (16) and a cam (17); the micro motor (16) is fixedly mounted on the outer wall of the box body (1); the output shaft of the micro motor (16) passes through the side plate of the box body (1) and is fixedly connected to the side surface of the cam (17); the top surface of the cam (17) contacts the bottom surface of the sieve plate (10).

6. A centrifugal screening device according to claim 1, characterized in that: A sealing door (18) is provided on the slag discharge port (11), and one end of the sealing door (18) is hinged to the box body (1).

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