Corn kernel screening machine with adjustable screening holes

Abstract

The utility model relates to the technical field of screening machines, in particular to a corn kernel screening machine with adjustable screening holes, which comprises a connecting base, a screening box is connected onto the end face of the connecting base, a mesh adjusting structure is connected onto the screening box, and a uniform feeding structure is connected onto the end face of the screening box. A controller is connected to the side wall of the screening box, the mesh adjusting structure comprises an adjusting screw rod, the adjusting screw rod is rotationally connected to the side wall of the screening box through a bearing seat, one end of the adjusting screw rod is connected with a rotating knob, and a shaft fixator is connected to the outer wall of the adjusting screw rod and located on the side wall of the screening box. According to the corn kernel screening machine capable of adjusting the screening holes, the mesh adjusting structure is arranged in the corn kernel screening machine capable of adjusting the screening holes, so that the adjusting screw in the mesh adjusting structure can be used for adjusting the mesh number of the meshes on the fixed screen through the transmission structure, and then the requirement for material screening is met.

Description

Technical Field

[0001] This utility model relates to the field of screening machine technology, specifically to a corn kernel screening machine with adjustable screening holes. Background Technology

[0002] During the processing of corn seeds, they need to be graded into large, medium, and small sizes. Seeds with pure color and uniform, plump kernels should be selected, and a germination test should be conducted. Selecting high-quality seeds ensures uniform kernel size and water absorption time, which promotes uniform and robust seedling emergence, improves seed purity and cleanliness, and results in consistent kernel size, leading to more uniform and robust seedlings and ultimately higher corn yields.

[0003] Corn screening equipment typically involves changing screens with different aperture sizes to screen different seeds. This requires repeated screen changes, making the operation cumbersome. Furthermore, the material is manually poured directly into the screening machine, resulting in uneven screening. To address these issues, a corn kernel screening machine with adjustable screening apertures is needed. Utility Model Content

[0004] The purpose of this invention is to provide a corn kernel screening machine with adjustable screening holes to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An adjustable screening hole corn kernel screening machine includes a connecting base, a screening box connected to the end face of the connecting base, a mesh adjustment structure connected to the screening box, a uniform feeding structure connected to the end face of the screening box, and a controller connected to the side wall of the screening box.

[0007] The mesh adjustment structure includes an adjusting screw, which is rotatably connected to the side wall of the screening box via a bearing seat. One end of the adjusting screw is connected to a rotary knob. A shaft retainer is connected to the outer wall of the adjusting screw and located on the side wall of the screening box. One end of the adjusting screw is connected to a screw sleeve, and one end of the screw sleeve is connected to a connecting plate. Limiting slide rods are symmetrically connected to the side wall of the connecting plate. Limiting slide rods are connected to the side wall of the limiting slide rods and are connected to the side wall of the screening box. Fixed housings are symmetrically connected to both ends of the connecting plate, and rotating gears are connected to the fixed housings.

[0008] As a preferred embodiment of this utility model, a rotating connecting rod is connected to the side wall of the rotating gear, one end of the rotating connecting rod is connected to a rotating connecting seat, the rotating connecting seat is connected to the side wall of the screening box cavity, a driven gear is meshed with the side wall of the rotating gear, a driven connecting rod is connected to the side wall of the driven gear, one end of the driven connecting rod is connected to a driven connecting seat, the driven connecting seat is connected to a connecting plate, a movable screen is connected to the connecting plate, a limiting slide is connected to the bottom of the movable screen, the limiting slide is connected to the side wall of the screening box cavity, and a fixed screen is provided on the end face of the movable screen, the fixed screen is connected to the side wall of the screening box cavity.

[0009] As a preferred embodiment of this utility model, the uniform feeding structure includes a feeding funnel connected to the end face of the screening box. Fixed connecting plates are connected to both sides of the feeding funnel and to the side walls of the screening box. A connecting box is connected to the side walls of the fixed connecting plates. A drive motor is connected to the bottom of the connecting box via a connecting seat. A drive rod is connected to the drive end of the drive motor via a coupling. A rotating roller is connected to the side wall of the drive rod. An intermittent turntable is connected to the side wall of the rotating roller. A rotating rod is connected to the center of the intermittent turntable. A rotating baffle is connected to the side wall of the rotating rod and to the inner cavity of the feeding funnel.

[0010] As a preferred embodiment of this utility model, the connection between the adjusting screw and the screw sleeve is a threaded connection, and a connecting hole is provided at the center of the limiting sleeve and corresponding to the limiting slide rod, wherein the connection between the limiting slide rod and the connecting hole is a sliding connection.

[0011] In a preferred embodiment of this utility model, the rotating gear is connected to the fixed housing via a bearing seat, wherein the rotating gear and the bearing seat are connected by a rotatable connection, and the rotating connecting rod and the rotatable connecting seat are rotatably connected via a rotating shaft.

[0012] As a preferred embodiment of this utility model, the driven gear is connected to the fixed housing via a bearing seat, wherein the driven gear and the bearing seat are connected by a rotatable connection, and the driven connecting rod and the driven connecting seat are rotatably connected via a rotating shaft.

[0013] As a preferred embodiment of this utility model, a sliding groove is provided between the fixed screen and the limiting slide bar and corresponding to the movable screen, wherein the movable screen and the sliding groove are connected in a sliding connection, and the drive motor is connected to the controller through a wire in an electrical connection.

[0014] In a preferred embodiment of this utility model, the drive rod is connected to the connecting box via a bearing seat, wherein the drive rod and the bearing seat are connected by a rotatable connection, the rotating roller and the intermittent turntable are connected by an meshing connection, and the rotating rod is connected to the side wall of the fixed connecting plate via a bearing seat, wherein the rotating rod and the bearing seat are connected by a rotatable connection.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] In this invention, a mesh adjustment structure is set in a corn kernel screening machine with adjustable screening holes. The adjustment screw in the mesh adjustment structure can be used to adjust the mesh size of the fixed screen through a transmission structure, thereby meeting the material screening requirements.

[0017] In this invention, a uniform feeding structure is set in the corn kernel screening machine with adjustable screening holes. The drive motor in the uniform feeding structure drives the rotating baffle to rotate intermittently through the transmission structure, so that the material can be put into the screening box at regular intervals and in a quantitative manner, making the material more uniform during screening. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the isotropic structure of this utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;

[0020] Figure 3 This is a schematic diagram of the mesh adjustment structure of this utility model;

[0021] Figure 4 for Figure 3 Partial structural diagram;

[0022] Figure 5 This is a schematic diagram of the uniform feeding structure of this utility model;

[0023] Figure 6 for Figure 5 A partial structural diagram.

[0024] In the diagram: 1. Connecting base; 2. Screening box; 3. Mesh adjustment structure; 4. Uniform feeding structure; 5. Controller; 301. Adjusting screw; 302. Rotating knob; 303. Shaft retainer; 304. Screw sleeve; 305. Connecting plate; 306. Limiting slide rod; 307. Limiting slide sleeve; 308. Fixed box body; 309. Rotating gear; 310. Rotating connecting rod; 311. Rotating connecting seat; 12. Driven gear; 313. Driven connecting rod; 314. Driven connecting seat; 315. Connecting plate; 316. Moving screen; 317. Limiting slide bar; 318. Fixed screen; 401. Feed hopper; 402. Fixed connecting plate; 403. Connecting box; 404. Drive motor; 405. Drive rod; 406. Rotating roller; 407. Intermittent turntable; 408. Rotating rod; 409. Rotating baffle. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] For an example, please refer to... Figure 1-6 This utility model provides a technical solution:

[0027] An adjustable screening hole corn kernel screening machine includes a connecting base 1, a screening box 2 connected to the end face of the connecting base 1, a mesh adjustment structure 3 connected to the screening box 2, a uniform feeding structure 4 connected to the end face of the screening box 2, and a controller 5 connected to the side wall of the screening box 2.

[0028] In this embodiment, reference Figure 1 , Figure 2 , Figure 3 and Figure 4The mesh adjustment structure 3 includes an adjusting screw 301, which is rotatably connected to the side wall of the screening box 2 via a bearing seat. One end of the adjusting screw 301 is connected to a rotating knob 302. A shaft retainer 303 is connected to the outer wall of the adjusting screw 301 and located on the side wall of the screening box 2. One end of the adjusting screw 301 is connected to a screw sleeve 304, and one end of the screw sleeve 304 is connected to a connecting plate 305. Limiting slide rods 306 are symmetrically connected to the side wall of the connecting plate 305, and limiting slide sleeves 307 are connected to the side wall of the limiting slide rods 306. The limiting slide sleeves 307 are connected to the side wall of the screening box 2. Fixed housings 308 are symmetrically connected to both ends of the connecting plate 305, and rotating gears 309 are connected to the fixed housings 308. A rotating connecting rod 310 is connected to the side wall of the gear 309. One end of the rotating connecting rod 310 is connected to a rotating connecting seat 311. The rotating connecting seat 311 is connected to the side wall of the inner cavity of the screening box 2. A driven gear 312 is meshed on the side wall of the rotating gear 309. A driven connecting rod 313 is connected to the side wall of the driven gear 312. One end of the driven connecting rod 313 is connected to a driven connecting seat 314. The driven connecting seat 314 is connected to a connecting plate 315. A movable screen 316 is connected to the connecting plate 315. A limiting slide bar 317 is connected to the bottom of the movable screen 316. The limiting slide bar 317 is connected to the side wall of the inner cavity of the screening box 2. A fixed screen 318 is provided on the end face of the movable screen 316. The fixed screen 318 is connected to the side wall of the inner cavity of the screening box 2.

[0029] Based on the above structure and the connection relationship of the above structure, by manually rotating the adjusting screw 301, the adjusting screw 301 will sequentially drive the screw sleeve 304, connecting plate 305, limiting slide rod 306, and fixed box 308 to move. When the fixed box 308 moves, it will drive the connecting plate 315 and the moving screen 316 to move at the bottom of the fixed screen 318 through the rotating gear 309, rotating connecting rod 310, rotating connecting seat 311, driven gear 312, driven connecting rod 313, and driven connecting seat 31, thereby adjusting the mesh size of the fixed screen 318.

[0030] Furthermore, the adjusting screw 301 and the screw sleeve 304 are connected by a threaded connection. A connecting hole is provided at the center of the limiting sleeve 307, corresponding to the limiting slide rod 306. The limiting slide rod 306 is slidably connected to the connecting hole. The rotating gear 309 is connected to the fixed housing 308 via a bearing seat, and the rotating gear 309 is rotatably connected to the bearing seat. The rotating connecting rod 310 and the rotating connecting seat 311 are rotatably connected via a rotating shaft. The driven gear 31... 2. It is connected to the fixed housing 308 through the bearing seat. The driven gear 312 is connected to the bearing seat by rotation. The driven connecting rod 313 and the driven connecting seat 314 are rotatably connected by the rotating shaft. The fixed screen 318 and the limiting slide bar 317 are provided with a sliding groove corresponding to the movable screen 316. The movable screen 316 is connected to the sliding groove by sliding. When the adjusting screw 301 is rotated, the mesh number between the fixed screen 318 and the movable screen 316 can be adjusted.

[0031] In this embodiment, reference Figure 1 , Figure 2 , Figure 5 and Figure 6 The uniform feeding structure 4 includes a feeding funnel 401, which is connected to the end face of the screening box 2. Fixed connecting plates 402 are connected to both sides of the feeding funnel 401 and to the side walls of the screening box 2. Connecting box 403 is connected to the side walls of the fixed connecting plates 402. A drive motor 404 is connected to the bottom of the connecting box 403 through a connecting seat. A drive rod 405 is connected to the drive end of the drive motor 404 through a coupling. A rotating roller 406 is connected to the side wall of the drive rod 405. An intermittent turntable 407 is connected to the side wall of the rotating roller 406. A rotating rod 408 is connected to the center of the intermittent turntable 407. A rotating baffle 409 is connected to the side wall of the rotating rod 408 and to the inner cavity of the feeding funnel 401.

[0032] Based on the above structure and the connection relationship of the above structure, the controller 5 controls the drive motor 404 to run. When the drive end of the drive motor 404 rotates, it drives the drive rod 405 and the rotating roller 406 to rotate in sequence. When the rotating roller 406 rotates, it drives the intermittent turntable 407, the rotating rod 408 and the rotating baffle 409 to rotate intermittently, so that the material in the feed funnel 401 is put into the screening box 2 in a timed and quantitative manner, so that the material is more uniform during screening.

[0033] Furthermore, the drive motor 404 is connected to the controller 5 via wires in an electrical connection manner, and the operation of the drive motor 404 can be controlled by the controller 5.

[0034] Furthermore, the drive rod 405 is connected to the connecting housing 403 via a bearing seat, wherein the drive rod 405 and the bearing seat are connected by a rotatable connection, the rotating roller 406 and the intermittent turntable 407 are connected by an meshing connection, and the rotating rod 408 is connected to the side wall of the fixed connecting plate 402 via a bearing seat, wherein the rotating rod 408 and the bearing seat are connected by a rotatable connection, and when the drive rod 405 rotates, it can drive the rotating rod 408 to rotate.

[0035] The working process of this utility model is as follows: When using the corn kernel screening machine with adjustable screening holes, first connect the power supply to the device to put it into operation. According to the screening requirements, manually rotate the adjusting screw 301. When the adjusting screw 301 rotates, it sequentially drives the screw sleeve 304, connecting plate 305, limiting slide rod 306, and fixed box 308 to move. When the fixed box 308 moves, it drives the connecting plate 315 and the moving screen 316 to move at the bottom of the fixed screen 318 through the rotating gear 309, rotating connecting rod 310, rotating connecting seat 311, driven gear 312, driven connecting rod 313, and driven connecting seat 31, thereby adjusting the mesh size of the screen 318.

[0036] Then, the controller 5 controls the drive motor 404 to run. When the drive end of the drive motor 404 rotates, it drives the drive rod 405 and the rotating roller 406 to rotate in sequence. When the rotating roller 406 rotates, it drives the intermittent turntable 407, the rotating rod 408 and the rotating baffle 409 to rotate intermittently, so that the material in the feed funnel 401 is put into the screening box 2 in a timed and quantitative manner, making the material more uniform during screening.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corn kernel screening machine with adjustable screening holes, comprising a connecting base (1), characterized in that: A screening box (2) is connected to the end face of the connecting base (1), a mesh adjustment structure (3) is connected to the screening box (2), a uniform feeding structure (4) is connected to the end face of the screening box (2), and a controller (5) is connected to the side wall of the screening box (2). The mesh adjustment structure (3) includes an adjusting screw (301), which is rotatably connected to the side wall of the screening box (2) via a bearing seat. One end of the adjusting screw (301) is connected to a rotating knob (302). A shaft retainer (303) is connected to the outer wall of the adjusting screw (301) and to the side wall of the screening box (2). One end of the adjusting screw (301) is connected to a screw sleeve (304). One end of (304) is connected to a connecting plate (305), and a limiting slide rod (306) is symmetrically connected to the side wall of the connecting plate (305). A limiting sleeve (307) is connected to the side wall of the limiting slide rod (306), and the limiting sleeve (307) is connected to the side wall of the screening box (2). Fixed boxes (308) are symmetrically connected to both ends of the connecting plate (305), and a rotating gear (309) is connected to the fixed box (308).

2. The corn kernel screening machine with adjustable screening holes according to claim 1, characterized in that: A rotating connecting rod (310) is connected to the side wall of the rotating gear (309). One end of the rotating connecting rod (310) is connected to a rotating connecting seat (311). The rotating connecting seat (311) is connected to the side wall of the inner cavity of the screening box (2). A driven gear (312) is meshed with the side wall of the rotating gear (309). A driven connecting rod (313) is connected to the side wall of the driven gear (312). One end of the driven connecting rod (313) is connected to a driven connecting seat. (314) The driven connecting seat (314) is connected to the connecting plate (315). A movable screen (316) is connected to the connecting plate (315). A limiting slide (317) is connected to the bottom of the movable screen (316). The limiting slide (317) is connected to the side wall of the inner cavity of the screening box (2). A fixed screen (318) is provided on the end face of the movable screen (316). The fixed screen (318) is connected to the side wall of the inner cavity of the screening box (2).

3. A corn kernel screening machine with adjustable screening holes according to claim 2, characterized in that: The uniform feeding structure (4) includes a feeding funnel (401), which is connected to the end face of the screening box (2). Fixed connecting plates (402) are connected to both sides of the feeding funnel (401) and to the side walls of the screening box (2). A connecting box (403) is connected to the side wall of the fixed connecting plate (402). A drive motor (404) is connected to the bottom of the connecting box (403) through a connecting seat. A drive rod (405) is connected to the drive end of the drive motor (404) through a coupling. A rotating roller (406) is connected to the side wall of the drive rod (405). An intermittent turntable (407) is connected to the side wall of the rotating roller (406). A rotating rod (408) is connected to the center of the intermittent turntable (407). A rotating baffle (409) is connected to the side wall of the rotating rod (408) and to the inner cavity of the feeding funnel (401).

4. A corn kernel screening machine with adjustable screening holes according to claim 3, characterized in that: The adjusting screw (301) and the screw sleeve (304) are connected by a threaded connection. A connecting hole is provided at the center of the limiting sleeve (307) and corresponding to the limiting slide rod (306). The limiting slide rod (306) and the connecting hole are connected by a sliding connection.

5. A corn kernel screening machine with adjustable screening holes according to claim 3, characterized in that: The rotating gear (309) is connected to the fixed housing (308) through a bearing seat, wherein the rotating gear (309) and the bearing seat are connected by a rotating connection, and the rotating connecting rod (310) and the rotating connecting seat (311) are connected by a rotating shaft.

6. A corn kernel screening machine with adjustable screening holes according to claim 3, characterized in that: The driven gear (312) is connected to the fixed housing (308) through a bearing seat, wherein the driven gear (312) and the bearing seat are connected by a rotatable connection, and the driven connecting rod (313) and the driven connecting seat (314) are rotatably connected by a rotating shaft.

7. A corn kernel screening machine with adjustable screening holes according to claim 3, characterized in that: A sliding groove is provided between the fixed screen (318) and the limiting slide bar (317) and corresponding to the moving screen (316), wherein the moving screen (316) and the sliding groove are connected in a sliding connection. The drive motor (404) is connected to the controller (5) through a wire and the connection method is an electrical connection.

8. A corn kernel screening machine with adjustable screening holes according to claim 3, characterized in that: The drive rod (405) is connected to the connecting box (403) through a bearing seat, wherein the drive rod (405) and the bearing seat are connected by a rotatable connection, the rotating roller (406) and the intermittent turntable (407) are connected by an meshing connection, and the rotating rod (408) is connected to the side wall of the fixed connecting plate (402) through a bearing seat, wherein the rotating rod (408) and the bearing seat are connected by a rotatable connection.

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