Adjustable grain vibration cleaning sieve
By designing an adjustable grain vibrating cleaning screen, the problem of excessive disassembly and assembly of parts during screen replacement and adjustment is solved, enabling convenient screen replacement and adjustment, improving screening efficiency, avoiding clogging, and making it suitable for different grain cleaning and screening needs.
Patent Information
- Application Number
- CN202422652738.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing grain vibrating cleaning screens have too many disassembled parts during screen replacement and adjustment, and the height difference between the upper and lower parts after screen adjustment can cause blockages and affect screening efficiency.
An adjustable grain vibrating cleaning screen is adopted. It has two sets of screen structures, and the screens can be detachably connected. The adjustment components include an adjusting vertical shaft and a nut. The connecting parts are strip plates, the frame is L-shaped, and the baffle design allows for mesh size adjustment and selection of multiple screen sizes to ensure screening effect.
It enables convenient replacement and adjustment of the screen, improves applicability, ensures screening efficiency, avoids clogging, and enhances screening effect.
Smart Images

Figure CN223517940U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to grain screening equipment technical field, concretely relates to an adjustable grain vibration cleaning screen. BACKGROUND
[0002] In the existing cleaning screen structure, the screen mesh is generally fixedly connected with the screen frame, and the screen frame is connected with the vibration box body, and when different grain cleaning and screening requirements are required, different screen meshes need to be replaced, and the replacement of the screen mesh requires the disassembly and assembly of too many parts. The existing Chinese utility model patent with the application number 202322685903.5 discloses an adjustable grain vibration cleaning screen, which adjusts the screen mesh horizontally by two specifications, so that the grain mesh aperture is adjusted, but in the above structure, there is a height difference between the two groups of screen meshes after adjustment, and since the grain contains particles, dust and other impurities, the grain screening efficiency is easily affected by the blockage. UTILITY MODEL CONTENTS
[0003] The utility model aims at the deficiency in the above background art, and provides a vibration cleaning screen which is easy to replace and adjust the screen mesh to meet different grain cleaning and screening requirements.
[0004] To achieve the above-mentioned purpose, the utility model discloses an adjustable grain vibration cleaning screen, which adopts the following technical scheme:
[0005] An adjustable grain vibration cleaning screen comprises two fixed seats arranged oppositely, two screen mesh structures rotatably connected to the fixed seats respectively, a frame and a mesh body of the screen mesh structure, two groups of screen mesh structures spliced into a plane screen body through a connecting piece after rotation, a second screen mesh structure rotatably connected to the fixed seat through an adjusting piece, a second frame and a second mesh body of the second screen mesh structure arranged below the screen mesh structure, and a mesh hole diameter of the second mesh body smaller than that of the mesh body.
[0006] The utility model further improves that the adjusting piece comprises an adjusting vertical shaft, the fixed seat is provided with a fixed hole slot penetrating upward and downward, the adjusting vertical shaft penetrates through the fixed hole slot, the upper end of the adjusting vertical shaft is provided with a thread, and a nut is screwed thereon, and the lower end is rotatably connected to the second frame.
[0007] The utility model further improves that the connecting piece is a strip-shaped plate, the frame side wall is provided with a fixed slot, and the strip-shaped plate is arranged at the fixed slots of the two frames.
[0008] The utility model further improves that the strip-shaped plate and the fixed slot are connected through a fastener.
[0009] The further improvement of the adjustable grain vibration cleaning screen is that the frame section is L-shaped, the net body is arranged on the horizontal part of the frame and is fastened by screws.
[0010] The further improvement of the adjustable grain vibration cleaning screen is that one of the frames is provided with a reversed V-shaped baffle at one end close to the other frame, and the baffle is arranged directly above the two frames.
[0011] Compared with the prior art, the adjustable grain vibration cleaning screen has the beneficial effects that:
[0012] The two groups of screen meshes are arranged, the adjustment of the mesh is realized, the net body is detachably connected with the frame, the selection and installation of more specifications of the net body are facilitated, and the applicability is improved; on the other hand, the two groups of net bodies can be selectively used for screening at the same time, the screening effect is ensured, and the screening efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The figure is a structural schematic view of the utility model,
[0014] Figure 2 The figure is a structural schematic view of the frame and the net body of the utility model
[0015] In the figure, 1 is a fixed seat, 2 is a frame, 3 is a connecting piece, 4 is an adjusting vertical shaft, 5 is a second frame, 6 is a nut, 7 is a baffle, and 8 is a net body. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0017] As Figure 1 shown, an adjustable grain vibration cleaning screen comprises two fixed seats 1 arranged oppositely, the two fixed seats are fixedly connected to a box body, a vibration motor is arranged on the box body to realize vibration screening. Screen mesh structures are rotatably connected to the two fixed seats, respectively, the screen mesh structure comprises a frame 2 and a net body 8, two groups of screen mesh structures are spliced into a plane screen body through connecting pieces 3 after rotation, the fixed seat is rotatably connected to a second screen mesh structure through an adjusting piece, the second screen mesh structure comprises a second frame 5 and a second net body, and is arranged below the screen mesh structure; the mesh aperture of the second net body is smaller than the mesh aperture of the net body.
[0018] Specifically, the adjusting member comprises an adjusting vertical shaft 4, the fixed seat is provided with a fixed hole slot penetrating upward and downward, the adjusting vertical shaft penetrates through the fixed hole slot, the upper end of the adjusting vertical shaft is provided with a thread and is screwed with a nut 6, and the nut abuts against the upper end surface of the fixed seat. The lower end of the adjusting vertical shaft is rotationally connected to the second frame 6. The adjusting vertical shaft is preferably provided with two groups and is arranged on the front and rear parts of the fixed seat, so as to facilitate the rotational connection of the second frame and the adjusting vertical shaft.
[0019] Further, the connecting member 3 is a strip-shaped plate, the fixed slots are arranged on the side walls of the frames, and the strip-shaped plates are arranged at the fixed slots of the two frames. The strip-shaped plates and the fixed slots are connected through fasteners. The fasteners can be screws.
[0020] Further, the frame is in an L-shaped section, the net body is arranged on the horizontal part of the frame and is fastened by screws. One end of one frame close to the other frame is provided with a reverse V-shaped baffle 7, and the baffle is arranged directly above the two frames. One side surface of the frame is provided with a notch for facilitating discharging.
[0021] The front and rear side walls of the fixed seat are further provided with positioning screw holes, and positioning bolts are arranged at the positioning screw holes and are used for tightly positioning the frames.
[0022] The working principle of the utility model is as follows: the fixed seat is fixedly connected to the vibration box body, appropriate net bodies are selected according to the types of screened grain, the frames are connected, the two groups of screen structures form a plane, and the plane is used for screening grain; when the types of grain change, the frame is disassembled and rotated, another frame is spliced, a plane net is formed, and the plane net is used for screening grain; when two groups of net bodies are needed for screening, the lower frame and the net body are lowered to ensure a discharging space and better screening effect.
[0023] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.
Claims
1. An adjustable grain vibratory cleaning screen, characterized by: The two fixed seats are oppositely arranged, and the two fixed seats are respectively rotationally connected with screen structures, the screen structure comprises a frame and a net body, two groups of screen structures are combined into a plane screen body through connecting pieces after rotation, the fixed seat is rotationally connected with a second screen structure through an adjusting piece, the second screen structure comprises a second frame and a second net body arranged below the screen structure, and the mesh aperture of the second net body is smaller than the mesh aperture of the net body.
2. An adjustable grain vibratory cleaning screen according to claim 1, wherein: The adjusting piece comprises an adjusting vertical shaft, the fixed seat is provided with a fixed hole slot penetrating upward and downward, the adjusting vertical shaft penetrates through the fixed hole slot, the upper end of the adjusting vertical shaft is provided with a screw thread, and a nut is screwed thereon, and the lower end is rotationally connected to the second frame.
3. An adjustable grain vibratory cleaning screen according to claim 2, wherein: The connecting piece is a strip-shaped plate, the side wall of the frame is provided with a fixed slot, and the strip-shaped plate is arranged at the fixed slot of the two frames.
4. An adjustable grain vibratory cleaning screen according to claim 3, wherein: The strip-shaped plate and the fixed slot are connected through fasteners.
5. An adjustable grain vibratory cleaning screen according to claim 4, wherein: The frame section is L-shaped, the net body is arranged on the horizontal part of the frame and is fastened by a screw.
6. An adjustable grain vibratory cleaning screen according to claim 5, wherein: One end of one frame close to the other frame is provided with an inverted V-shaped baffle, and the baffle is arranged directly above the two frames.
Citation Information
Patent Citations
Adjustable grain vibration cleaning sieve
CN221537223U