Screening device for grain production and processing

Abstract

The utility model relates to the technical field of grain production, and discloses a screening device for grain production and processing, which comprises a base, the upper surface of the base is fixedly connected with a mounting cylinder, the side surface of the mounting cylinder is provided with a rotating hole, the inner wall of the rotating hole is rotatably connected with a screening cylinder, and the side surface of the screening cylinder is rotatably connected with the inner wall of the mounting cylinder. Screening holes are formed in the surface of the screening cylinder. According to the screening device for grain production and processing, after grains are put into a screening cylinder through a feeding cover, a driving motor is started, the driving motor drives the screening cylinder to rotate, at the moment, the screening cylinder screens the grains, after the grains are clamped into screening holes of the screening cylinder, an electric push rod can be started, and the electric push rod pushes an arc-shaped plate to move downwards; the ejector rods are inserted into the screening holes to push out clamped grains, and the insertion rods are inserted into the counter bores to position the position of the mounting disc, so that the screening cylinder is fixed at a certain position, the ejector rods are accurately inserted into the screening holes, and cleaning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of grain production, and more specifically to a screening device for grain production and processing. Background Art

[0002] When producing and processing grain, it is necessary to remove the outer husk of the grain. For example, the processing of rice requires the removal of the husk. After processing, the grain also needs to be screened to remove smaller impurities in the grain.

[0003] Most of the existing screening devices perform screening through a screen, and the screen is driven to vibrate by a vibration mechanism to screen out impurities in the grain. However, during the screening process, some grains that are about the same size as the screen holes may get stuck in the screen holes, causing the screen to be blocked and affecting the screening effect. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a screening device for grain production and processing to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical scheme: a screening device for grain production and processing, comprising a base, the upper surface of the base is fixedly connected with a mounting cylinder, a rotating hole is provided on the side of the mounting cylinder, a screening cylinder is rotatably connected to the inner wall of the rotating hole, the side of the screening cylinder is rotatably connected to the inner wall of the mounting cylinder, a screening hole is provided on the surface of the screening cylinder, an electric push rod is fixedly connected to the surface of the mounting cylinder, an arc-shaped plate is fixedly connected to the telescopic end of the electric push rod, a top rod matched with the screening hole is fixedly connected to the inner ring surface of the arc-shaped plate, a driving motor for driving the screening cylinder to rotate is fixedly connected to the upper surface of the base, a mounting disk is fixedly connected to the surface of the screening cylinder, a sliding hole is provided on the side of the mounting disk, a plug rod is slidably connected to the inner wall of the sliding hole, a plurality of countersunk holes matched with the plug rod are provided on the side of the mounting cylinder, and the surface of the plug rod overlaps the inner wall of the countersunk hole;

[0006] A feeding cover is fixedly connected to the side of the installation cylinder, a mounting hole is opened on the side of the screening cylinder, and the surface of the feeding cover is rotatably connected to the inner wall of the mounting hole.

[0007] A further solution is that a collecting box is fixedly connected to the upper surface of the base, a filter plate is fixedly connected to the inner wall of the collecting box, a fan is fixedly connected to the upper surface of the collecting box, the output end of the fan extends to the interior of the mounting tube through a pipe, the air inlet end of the fan extends to the interior of the collecting box through a pipe, the interior of the collecting box is connected to the interior of the mounting tube through a pipe, and a box door is installed on the front of the collecting box.

[0008] A further solution is that a pulley is fixedly connected to the output end of the driving motor and the surface of the screening drum, the two pulleys are connected by belt transmission, and a drum cover is installed on the side of the screening drum.

[0009] Technical effects and advantages of the utility model:

[0010] 1. The screening device for grain production and processing, after putting grain into the screening cylinder through the loading cover, starts the driving motor, the driving motor drives the screening cylinder to rotate, at this time the screening cylinder screens the grain, after the grain is stuck in the screening hole of the screening cylinder, the electric push rod can be started, the electric push rod pushes the arc plate downward, the push rod is inserted into the screening hole to push out the stuck grain, and the insertion rod is inserted into the countersunk hole to locate the position of the mounting plate, thereby fixing the screening cylinder at a certain position, ensuring that the push rod is accurately inserted into the screening hole, and convenient for cleaning.

[0011] 2. The screening device for grain production and processing starts the fan, which can suck the debris generated during the screening process into the collection box, and block it through the filter plate and collect it in the collection box, so as to facilitate the collection of impurities after screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the front section structure of the installation tube of the utility model.

[0014] Figure 3 This is a schematic diagram of the front section structure of the collection box of the utility model.

[0015] The reference numerals in the drawings are: 1 base, 2 mounting cylinder, 3 screening cylinder, 4 electric push rod, 5 arc plate, 6 push rod, 7 mounting plate, 8 insertion rod, 9 loading cover, 10 collecting box, 11 filter plate, 12 fan, 13 driving motor. DETAILED DESCRIPTION

[0016] A screening device for grain production and processing, referring to Figure 1-3 , including a base 1, a mounting cylinder 2 is fixedly connected to the upper surface of the base 1, a rotating hole is opened on the side of the mounting cylinder 2, a screening cylinder 3 is rotatably connected to the inner wall of the rotating hole, a cylinder cover is installed on the side of the screening cylinder 3, the side of the screening cylinder 3 is rotatably connected to the inner wall of the mounting cylinder 2, a screening hole is opened on the surface of the screening cylinder 3, an electric push rod 4 is fixedly connected to the surface of the mounting cylinder 2, an arc plate 5 is fixedly connected to the telescopic end of the electric push rod 4, a top rod 6 matched with the screening hole is fixedly connected to the inner ring surface of the arc plate 5, a driving motor 13 for driving the screening cylinder 3 to rotate is fixedly connected to the upper surface of the base 1, and a pulley is fixedly connected to the output end of the driving motor 13 and the surface of the screening cylinder 3, and the two pulleys are connected by belt transmission.

[0017] A mounting plate 7 is fixedly connected to the surface of the screening cylinder 3, a sliding hole is provided on the side of the mounting plate 7, an insertion rod 8 is slidably connected to the inner wall of the sliding hole, a plurality of countersunk holes matching the insertion rod 8 are provided on the side of the mounting cylinder 2, the surface of the insertion rod 8 overlaps the inner wall of the countersunk hole, a loading cover 9 is fixedly connected to the side of the mounting cylinder 2, a mounting hole is provided on the side of the screening cylinder 3, and the surface of the loading cover 9 is rotatably connected to the inner wall of the mounting hole.

[0018] After putting grain into the screening cylinder 3 through the loading cover 9, the driving motor 13 is started, and the driving motor 13 drives the screening cylinder 3 to rotate. At this time, the screening cylinder 3 screens the grain. After the grain is stuck in the screening hole of the screening cylinder 3, the electric push rod 4 can be started. The electric push rod 4 pushes the arc plate 5 to move downward, and the push rod 6 is inserted into the screening hole to push out the stuck grain, and the insertion rod 8 is inserted into the countersunk hole to locate the position of the mounting plate 7, so that the screening cylinder 3 is fixed at a certain position, ensuring that the push rod 6 is accurately inserted into the screening hole for easy cleaning.

[0019] A collecting box 10 is fixedly connected to the upper surface of the base 1, a filter plate 11 is fixedly connected to the inner wall of the collecting box 10, a fan 12 is fixedly connected to the upper surface of the collecting box 10, an output end of the fan 12 extends to the interior of the mounting cylinder 2 through a pipe, an air inlet end of the fan 12 extends to the interior of the collecting box 10 through a pipe, the interior of the collecting box 10 is connected with the interior of the mounting cylinder 2 through a pipe, and a box door is installed on the front of the collecting box 10. When the fan 12 is started, the fan 12 can suck the debris generated during the screening process into the collecting box 10, and the debris is blocked by the filter plate 11 and collected in the collecting box 10, so as to facilitate the collection of impurities after screening.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A screening device for grain production and processing, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with a mounting cylinder (2), a rotating hole is provided on the side of the mounting cylinder (2), a screening cylinder (3) is rotatably connected to the inner wall of the rotating hole, the side of the screening cylinder (3) is rotatably connected to the inner wall of the mounting cylinder (2), a screening hole is provided on the surface of the screening cylinder (3), an electric push rod (4) is fixedly connected to the surface of the mounting cylinder (2), an arc plate (5) is fixedly connected to the telescopic end of the electric push rod (4), a top rod (6) matched with the screening hole is fixedly connected to the inner ring surface of the arc plate (5), a driving motor (13) for driving the screening cylinder (3) to rotate is fixedly connected to the upper surface of the base (1), a mounting plate (7) is fixedly connected to the surface of the screening cylinder (3), a sliding hole is provided on the side of the mounting plate (7), a plug rod (8) is slidably connected to the inner wall of the sliding hole, a plurality of countersunk holes matched with the plug rod (8) are provided on the side of the mounting cylinder (2), and the surface of the plug rod (8) overlaps the inner wall of the countersunk hole; A material loading cover (9) is fixedly connected to the side of the installation cylinder (2), a mounting hole is opened on the side of the screening cylinder (3), and the surface of the material loading cover (9) is rotatably connected to the inner wall of the mounting hole.

2. A screening device for grain production and processing according to claim 1, characterized in that: The upper surface of the base (1) is fixedly connected to a collection box (10), and the inner wall of the collection box (10) is fixedly connected to a filter plate (11).

3. A screening device for grain production and processing according to claim 2, characterized in that: A fan (12) is fixedly connected to the upper surface of the collection box (10); the output end of the fan (12) extends to the interior of the mounting tube (2) through a pipeline; and the air inlet end of the fan (12) extends to the interior of the collection box (10) through a pipeline.

4. A screening device for grain production and processing according to claim 3, characterized in that: The interior of the collection box (10) is connected to the interior of the installation cylinder (2) through a pipeline, and a box door is installed on the front of the collection box (10).

5. A screening device for grain production and processing according to claim 1, characterized in that: The output end of the driving motor (13) and the surface of the screening drum (3) are both fixedly connected with pulleys, and the two pulleys are connected through a belt transmission.

6. A screening device for grain production and processing according to claim 1, characterized in that: A cylinder cover is installed on the side of the screening cylinder (3).

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