Grain impurity separating device

By designing cleaning components and vibrating components in the grain impurity separation device, the problem of screening in the existing device is easily blocked, and more efficient grain screening and impurity separation effects are achieved.

CN222535524UActive Publication Date: 2025-02-28梅山镇农业农村管理服务中心
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Patent Information

Application Number
CN202420588864.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2025-02-28
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

The existing grain impurity separation device does not have a structure to clean the screen mesh, which causes the screen mesh to be easily blocked and affects the screening and disposal of grain.

Method used

A food impurity separation device is designed, including cleaning components and vibration components. The cleaning assembly consists of two symmetrically distributed sliders, slide chutes and roller brushes to clean the screen mesh; the vibration assembly drives the screening box to vibrate through the drive shaft, turntable and worm to realize the screening screening.

Benefits of technology

By cleaning the use of components, preventing the screen mesh holes from being blocked, improving the screening efficiency of grain; vibrating the components drive the screening box to vibrate, further improving the separation effect of grain impurities.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a grain impurity separating device, and relates to the technical field of grain processing. The two ends of the shell are provided with a discharge port and an exhaust port respectively, a collecting box is placed at the discharge port of the shell, a feed port is formed in the shell, a filter screen is fixedly installed at the feed port in the shell, a fan set is fixedly installed in the shell, a screening frame is installed in the shell in a sliding mode, and a vibration assembly is installed on the shell. The vibration assembly comprises a driving shaft, the driving shaft is rotationally installed on the upper surface of the shell, rotating discs are fixedly installed at the two ends of the driving shaft, a cleaning assembly is installed on the lower surface of the screening frame, and by arranging the cleaning assembly, the purpose of cleaning screen meshes through the cleaning assembly is achieved, and the situation that the screen meshes are blocked, and grain screening and impurity discharging are affected is prevented; and by arranging the vibration assembly, the purpose of utilizing the vibration assembly to drive the screening frame to vibrate so as to screen and remove impurities from the grains is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of grain processing, in particular to a grain impurity separation device. Background Art

[0002] Most of the current grain impurity separation devices screen and remove impurities from grains through a sieve. When the sieve is screening the grain, impurities are likely to clog the mesh of the sieve, and most grain impurity separation devices do not have a device for cleaning the mesh of the sieve, which makes it inconvenient to screen and remove impurities from the grain. In view of the above problems, the inventor proposes a grain impurity separation device for solving the above problems. Utility Model Content

[0003] In order to solve the problem that most existing grain impurity separation devices do not have a structure for cleaning the mesh of the screen, making it inconvenient to use the screen to screen and remove impurities from grain; the purpose of the utility model is to provide a grain impurity separation device.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme: a grain impurity separation device, comprising an outer shell, two ends of the outer shell are respectively provided with an outlet and an exhaust port, a collecting box is placed at the outlet of the outer shell, an inlet is provided on the outer shell, a filter is fixedly installed at the inlet inside the outer shell, a fan unit is fixedly installed inside the outer shell, a screening frame is slidably installed inside the outer shell, a vibration assembly is installed on the outer shell, a cleaning assembly is installed on the lower surface of the screening frame, the cleaning assembly comprises two symmetrically distributed sliders, both sides of the lower surface of the screening frame are provided with slide grooves, and the sliders are slidably clamped in the corresponding slide grooves, a roller brush is rotatably installed between the two sliders, and the bristles on the roller brush are in contact with the screen of the screening frame.

[0005] Preferably, the vibration assembly includes a driving shaft, which is rotatably mounted on the upper surface of the shell, with turntables fixedly mounted at both ends of the driving shaft, fixed plates fixedly mounted on both sides of the screening frame, connecting rods hingedly mounted on the two fixed plates, and the top of the connecting rod is hingedly connected to the turntable, a worm is rotatably mounted on the upper surface of the shell, a worm wheel is fixedly mounted on the driving shaft, and the worm wheel is meshed with the worm, a driving motor is fixedly mounted on the shell, and the output end of the driving motor is fixedly connected to the worm.

[0006] Preferably, driving gears are fixedly installed at both ends of the roller brush, and the driving gears are rotatably installed in the corresponding sliders, tooth plates are fixedly installed in the two slide grooves, and the driving gears are meshed with the corresponding tooth plates, a forward and reverse motor is fixedly installed on one side of one of the sliders, and the output end of the forward and reverse motor is fixedly connected to one end of the roller brush.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] In the utility model, by setting a cleaning component, the purpose of using the cleaning component to clean the mesh of the screen is achieved, thereby preventing the mesh of the screen from being blocked and affecting the screening and removal of impurities in grains;

[0009] In the utility model, by arranging a vibration component, the purpose of utilizing the vibration component to drive the screening frame to vibrate and screen and remove impurities from the grain is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the overall back structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the internal structure of the housing of the utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the cleaning component of the utility model.

[0015] In the figure: 1. casing; 11. discharge port; 12. feed port; 13. exhaust port; 14. filter screen; 15. fan unit; 2. vibration component; 21. drive motor; 22. drive shaft; 23. worm; 24. worm gear; 25. turntable; 26. connecting rod; 27. fixing plate; 3. collection box; 4. screening frame; 41. slide slot; 411. tooth plate; 5. cleaning component; 51. forward and reverse motor; 52. slider; 521. drive gear; 53. roller brush. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example: Figure 1-4As shown, the utility model provides a grain impurity separation device, including a shell 1, two ends of the shell 1 are respectively provided with a discharge port 11 and an exhaust port 13, a collecting box 3 is placed at the discharge port 11 of the shell 1, a feed port 12 is provided on the shell 1, a filter screen 14 is fixedly installed at the feed port 12 inside the shell 1, a fan unit 15 is fixedly installed inside the shell 1, a screening frame 4 is slidably installed inside the shell 1, a vibration component 2 is installed on the shell 1, and a cleaning component 5 is installed on the lower surface of the screening frame 4. First, the grain is poured into the screening frame 4 in the shell 1 through the feed port 12. While the grain is poured, the fan unit 15 is used to blow out the impurities in the grain that are lighter than the grain body through the exhaust port 13. The filter screen 14 can prevent the grain from falling into the fan unit 15. Then, the vibration component 2 is used to drive the screening frame 4 to vibrate reciprocatingly in the shell 1 to screen the grain, and the impurities in the grain are screened out. At the same time, the cleaning component 5 is used to clean the mesh of the screen on the screening frame 4 to prevent the mesh of the screen from being blocked and affecting the screening of the grain.

[0018] The vibration assembly 2 includes a driving shaft 22 , which is rotatably mounted on the upper surface of the housing 1 , and a turntable 25 is fixedly mounted on both ends of the driving shaft 22 .

[0019] By adopting the above technical solution, the driving shaft 22 drives the rotating disk 25 to rotate.

[0020] Fixed plates 27 are fixedly installed on both sides of the screening frame 4 , and connecting rods 26 are hingedly installed on the two fixing plates 27 , and the top ends of the connecting rods 26 are hingedly connected to the rotating disk 25 .

[0021] By adopting the above technical solution, the rotating disk 25 drives the screening frame 4 to vibrate back and forth through the connecting rod 26 and the fixing plate 27, so as to screen the grain in the screening frame 4 and filter out the impurities in the grain.

[0022] A worm 23 is rotatably mounted on the upper surface of the housing 1 , a worm wheel 24 is fixedly mounted on the driving shaft 22 , and the worm wheel 24 meshes with the worm 23 , a driving motor 21 is fixedly mounted on the housing 1 , and an output end of the driving motor 21 is fixedly connected to the worm 23 .

[0023] By adopting the above technical solution, the driving motor 21 is started to drive the worm 23 to rotate, the worm 23 drives the worm wheel 24 to rotate, and the worm wheel 24 drives the driving shaft 22 to rotate.

[0024] The cleaning assembly 5 includes two symmetrically distributed slide blocks 52 . Slide grooves 41 are provided on both sides of the lower surface of the screening frame 4 , and the slide blocks 52 are slidably engaged in the corresponding slide grooves 41 .

[0025] By adopting the above technical solution, the slider 52 slides in the slide groove 41 of the screening frame 4 .

[0026] A roller brush 53 is rotatably mounted between the two sliders 52 , and the bristles on the roller brush 53 are in contact with the screen of the screening frame 4 .

[0027] By adopting the above technical solution, the slider 52 drives the roller brush 53 to move along the screen on the screening frame 4 to clean the mesh of the screen on the screening frame 4.

[0028] Both ends of the roller brush 53 are fixedly mounted with driving gears 521 , and the driving gears 521 are rotatably mounted in the corresponding sliders 52 . Tooth plates 411 are fixedly mounted in the two slide grooves 41 , and the driving gears 521 mesh with the corresponding tooth plates 411 .

[0029] By adopting the above technical solution, the roller brush 53 drives the driving gear 521 to engage with the tooth plate 411 , so that the slider 52 slides in the slide groove 41 of the screening frame 4 .

[0030] A forward and reverse motor 51 is fixedly mounted on one side of one of the sliders 52 , and an output end of the forward and reverse motor 51 is fixedly connected to one end of a roller brush 53 .

[0031] By adopting the above technical solution, the forward and reverse motor 51 is started to drive the roller brush 53 to rotate.

[0032] Working principle: When the utility model is used, firstly, the grain is poured into the screening frame 4 in the housing 1 through the feed port 12. While feeding, the impurities in the grain that are lighter than the grain body are blown out through the exhaust port 13 by the fan unit 15. The filter screen 14 can prevent the grain from falling into the fan unit 15. Then, the drive motor 21 is started to drive the worm 23 to rotate, the worm 23 drives the worm wheel 24 to rotate, the worm wheel 24 drives the drive shaft 22 to rotate, the drive shaft 22 drives the turntable 25 to rotate, and the turntable 25 drives the screening frame 4 to vibrate back and forth through the connecting rod 26 and the fixing plate 27, so as to screen the grain in the screening frame 4 and filter out the impurities in the grain.

[0033] At the same time, the forward and reverse motors 51 are started to drive the roller brush 53 to rotate, and the roller brush 53 drives the driving gear 521 to engage with the tooth plate 411, so that the slider 52 slides in the slide groove 41 of the screening frame 4, and the slider 52 drives the roller brush 53 to move along the screen on the screening frame 4 to clean the screen mesh on the screening frame 4 to prevent the screen mesh from being blocked and affecting the screening and removal of grain.

[0034] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A grain impurity separation device, comprising a housing (1), characterized in that: The two ends of the shell (1) are respectively provided with a discharge port (11) and an exhaust port (13); a collecting box (3) is placed at the discharge port (11) of the shell (1); a feed port (12) is provided on the shell (1); a filter screen (14) is fixedly installed at the feed port (12) inside the shell (1); a fan unit (15) is fixedly installed inside the shell (1); a screening frame (4) is slidably installed inside the shell (1); a vibration component (2) is installed on the shell (1); a cleaning component (5) is installed on the lower surface of the screening frame (4); the cleaning component (5) comprises two symmetrically distributed sliders (52); both sides of the lower surface of the screening frame (4) are provided with slide grooves (41), and the sliders (52) are slidably clamped in the corresponding slide grooves (41); a roller brush (53) is rotatably installed between the two sliders (52), and the bristles on the roller brush (53) are in contact with the screen of the screening frame (4).

2. A grain impurity separation device as claimed in claim 1, characterized in that: The vibration assembly (2) comprises a drive shaft (22), the drive shaft (22) being rotatably mounted on the upper surface of the housing (1), and a rotating disk (25) being fixedly mounted on both ends of the drive shaft (22).

3. A grain impurity separation device as claimed in claim 1, characterized in that: Fixed plates (27) are fixedly mounted on both sides of the screening frame (4), connecting rods (26) are hingedly mounted on the two fixed plates (27), and the top ends of the connecting rods (26) are hingedly connected to the rotating disk (25).

4. A grain impurity separation device as claimed in claim 2, characterized in that: A worm (23) is rotatably mounted on the upper surface of the housing (1), a worm wheel (24) is fixedly mounted on the drive shaft (22), and the worm wheel (24) meshes with the worm (23), a drive motor (21) is fixedly mounted on the housing (1), and an output end of the drive motor (21) is fixedly connected to the worm (23).

5. A grain impurity separation device as claimed in claim 1, characterized in that: Both ends of the roller brush (53) are fixedly mounted with driving gears (521), and the driving gears (521) are rotatably mounted in the corresponding slider (52), and toothed plates (411) are fixedly mounted in the two slide grooves (41), and the driving gears (521) mesh with the corresponding toothed plates (411).

6. A grain impurity separation device as claimed in claim 1, characterized in that: A forward and reverse motor (51) is fixedly mounted on one side of one of the sliders (52), and an output end of the forward and reverse motor (51) is fixedly connected to one end of a roller brush (53).

Citation Information

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