Classification screening machine for corn kernels

Abstract

The utility model relates to the technical field of screening machines, in particular to a grading screening machine for corn kernels, which comprises an angle adjusting structure, an anti-blocking screening structure is connected onto the angle adjusting structure, a controller is connected onto the side wall of the angle adjusting structure, and the angle adjusting structure comprises a connecting base. Fixed stand columns are symmetrically connected to the end face of the connecting base, rotating connecting bases are connected to the end faces of the fixed stand columns, connecting stand columns are connected to the end faces of the rotating connecting bases, and fixed box bodies are symmetrically connected to the end face of the connecting base. The anti-blocking screening structure is arranged in the grading screening machine for the corn kernels, so that the driving motor in the anti-blocking screening structure is utilized to pass through the transmission structure, corn kernels on meshes on the movable screen can be removed in the movable screening process of the movable screening screen, and the screening effect is further improved.

Description

Technical Field

[0001] This utility model relates to the field of screening machine technology, specifically a grading and screening machine for corn kernels. Background Technology

[0002] In crop cultivation, it is often necessary to screen grains, but with a large number of grains, manual screening is very troublesome and labor-intensive, so grain screening machines are needed.

[0003] Existing screening machines have a fixed screening angle, which is inconvenient to adjust according to usage requirements. Consequently, the screening speed is difficult to control, affecting screening efficiency. Furthermore, existing screening machines are prone to clogging the mesh during screening, which is inconvenient to clean, thus affecting the screening effect. To address these issues, a grading and screening machine for corn kernels is needed. Utility Model Content

[0004] The purpose of this invention is to provide a grading and screening machine for corn kernels to solve the problems mentioned in the background art.

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

[0006] A grading and screening machine for corn kernels includes an angle adjustment structure, an anti-clogging screening structure connected to the angle adjustment structure, and a controller connected to the side wall of the angle adjustment structure.

[0007] The angle adjustment structure includes a connecting base, fixed columns symmetrically connected to the end face of the connecting base, a rotating connecting seat connected to the end face of the fixed columns, a connecting column connected to the end face of the rotating connecting seat, a fixed housing symmetrically connected to the end face of the connecting base, an adjusting motor connected to the side wall of the front fixed housing via the connecting seat, a driving rod connected to the driving end of the adjusting motor via a coupling, a driving worm connected to the side wall of the driving rod and located in the inner cavity of the fixed housing, a driven worm gear meshing with the side wall of the driving worm gear, an adjusting screw connected to the center of the driven worm gear, a movable sliding sleeve connected to the outer wall of the adjusting screw, a limiting sleeve connected to the outer wall of the movable sliding sleeve, a limiting sleeve connected to the end face of the connecting base via a connecting plate, a movable slider connected to the end face of the movable sliding sleeve, a movable column connected to the end face of the movable slider, a connecting frame connected to the end faces of the connecting column and the movable column, a fixed connecting plate connected to the side wall of the connecting frame, and a discharge funnel connected to the bottom of the connecting frame.

[0008] As a preferred embodiment of this utility model, the anti-clogging screening structure includes a drive motor, which is connected to the side wall of a fixed connecting plate via a connecting plate. The drive end of the drive motor is connected to a drive rod via a coupling. A driven gear is meshed with the outer wall of the drive rod via a drive gear. A rotating rod is connected to the center of the driven gear. A rotating crank is connected to the side wall of the rotating rod. A rotating pull rod is connected to the side wall of the rotating crank. The other end of the rotating pull rod is connected to a connecting seat. A movable screening screen is connected to the side wall of the connecting seat. Rotating rollers are connected to the four corners of the bottom of the movable screening screen and to the end face of the connecting frame. Fixed racks are symmetrically connected to the side wall of the movable screening screen. Multiple sets of rotating gears are meshed with the side wall of the fixed racks. A connecting rod is connected to the center of the rotating gear. A rotating scraper is connected to the end face of the connecting rod via a connecting plate and to the end face of the movable screening screen.

[0009] In a preferred embodiment of this utility model, the regulating motor is connected to the controller via a wire and the connection method is electrical connection, and the drive rod is connected to the side wall of the fixed housing via a bearing seat, wherein the connection method between the drive rod and the bearing seat is rotatable connection.

[0010] In a preferred embodiment of this utility model, the adjusting screw is connected to the end face of the fixed housing via a bearing seat, wherein the adjusting screw and the bearing seat are connected by rotation, and the adjusting screw and the movable sliding sleeve are connected by thread.

[0011] As a preferred embodiment of this utility model, the limiting sleeve is provided with a connecting hole corresponding to the movable sliding sleeve, wherein the movable sliding sleeve and the connecting hole are connected by a sliding connection, and the bottom of the movable column is provided with a dovetail groove corresponding to the movable slider, wherein the movable slider and the dovetail groove are connected by a sliding connection.

[0012] In a preferred embodiment of this utility model, the drive motor is connected to the controller via a wire in an electrical connection manner, and the drive rod is connected to the end face of the fixed connecting plate via a bearing seat, wherein the drive rod and the bearing seat are connected in a rotatable connection manner.

[0013] As a preferred embodiment of this utility model, the rotating rod is connected to the side wall of the fixed connecting plate through a bearing seat, wherein the connection between the rotating rod and the bearing seat is a rotatable connection, and the connection between the rotating crank and the rotating pull rod is a rotatable connection.

[0014] As a preferred embodiment of this utility model, the connection between the rotating rod and the connecting seat is a rotatable connection, and the connecting rod is connected to the side wall of the connecting frame through a bearing seat, wherein the connection between the connecting rod and the bearing seat is a rotatable connection.

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

[0016] In this invention, an angle adjustment structure is set in the grading and screening machine for corn kernels. The adjustment motor in the angle adjustment structure adjusts the angle between the connecting frame and the discharge funnel through the transmission structure, thereby controlling the screening speed and making the device more convenient to adjust during screening.

[0017] In this invention, an anti-clogging screening structure is set in the grading and screening machine for corn kernels. The drive motor in the anti-clogging screening structure, through the transmission structure, enables the moving screening screen to remove corn kernels from the mesh of the moving screen during the screening process, thereby improving the screening effect. Attached Figure Description

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

[0019] Figure 2 This is a schematic diagram of the angle adjustment structure of this utility model;

[0020] Figure 3 for Figure 2 Partial structural diagram;

[0021] Figure 4 This is a schematic diagram of the anti-clogging screening structure of this utility model;

[0022] Figure 5 for Figure 4 A partial structural diagram.

[0023] In the diagram: 1. Angle adjustment structure; 2. Anti-clogging screening structure; 3. Controller; 101. Connecting base; 102. Fixed column; 103. Rotating connecting seat; 104. Connecting column; 105. Fixed box; 106. Adjusting motor; 107. Drive rod; 108. Drive worm gear; 109. Driven worm wheel; 110. Adjusting screw; 111. Moving sleeve; 112. Limiting sleeve; 113. Moving slider; 114. Moving column ; 115. Connecting frame; 116. Fixed connecting plate; 117. Discharge hopper; 201. Drive motor; 202. Drive rotating rod; 203. Drive gear; 204. Driven gear; 205. Rotating rotating rod; 206. Rotating crank; 207. Rotating pull rod; 208. Connecting seat; 209. Moving screening screen; 210. Rotating roller; 211. Fixed rack; 212. Rotating gear; 213. Connecting rotating rod; 214. Rotating scraper. Detailed Implementation

[0024] 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.

[0025] For an example, please refer to... Figure 1-5 This utility model provides a technical solution:

[0026] A grading and screening machine for corn kernels includes an angle adjustment structure 1, an anti-clogging screening structure 2 connected to the angle adjustment structure 1, and a controller 3 connected to the side wall of the angle adjustment structure 1.

[0027] In this embodiment, reference Figure 1 , Figure 2 and Figure 3 The angle adjustment structure 1 includes a connecting base 101. Fixed columns 102 are symmetrically connected to the end face of the connecting base 101. A rotating connecting seat 103 is connected to the end face of the fixed columns 102. A connecting column 104 is connected to the end face of the rotating connecting seat 103. A fixed housing 105 is symmetrically connected to the end face of the connecting base 101. An adjusting motor 106 is connected to the side wall of the front fixed housing 105 via a connecting seat. The drive end of the adjusting motor 106 is connected to a drive rod 107 via a coupling. A drive worm gear 108 is connected to the side wall of the drive rod 107 and located within the cavity of the fixed housing 105. The side wall of the drive worm gear 108 is meshed with... There is a driven worm gear 109, and an adjusting screw 110 is connected to the center of the driven worm gear 109. A movable sliding sleeve 111 is connected to the outer wall of the adjusting screw 110. A limiting sleeve 112 is connected to the outer wall of the movable sliding sleeve 111. The limiting sleeve 112 is connected to the end face of the connecting base 101 through a connecting plate. A movable slider 113 is connected to the end face of the movable sliding sleeve 111. A movable column 114 is connected to the end face of the movable slider 113. A connecting frame 115 is connected to the end face of the connecting column 104 and the movable column 114. A fixed connecting plate 116 is connected to the side wall of the connecting frame 115. A discharge funnel 117 is connected to the bottom of the connecting frame 115.

[0028] Based on the above structure and the connection relationship of the above structure, the controller 3 controls the adjustment motor 106. When the drive end of the adjustment motor 106 rotates, it sequentially drives the drive rod 107, the drive worm 108, the driven worm wheel 109 and the adjustment screw 110. When the adjustment screw 110 rotates, it drives the moving sleeve 111 to move in the inner cavity of the limiting sleeve 112, thereby adjusting the angle of the connecting frame 115 and the discharge funnel 117, thereby controlling the screening speed.

[0029] Furthermore, the regulating motor 106 is connected to the controller 3 via a wire in an electrical connection manner, and the operation of the regulating motor 106 can be controlled by the controller 3.

[0030] Furthermore, the drive rod 107 is connected to the side wall of the fixed housing 105 via a bearing seat, wherein the drive rod 107 and the bearing seat are connected by a rotatable connection. The adjusting screw 110 is connected to the end face of the fixed housing 105 via a bearing seat, wherein the adjusting screw 110 and the bearing seat are connected by a rotatable connection. The adjusting screw 110 and the movable sliding sleeve 111 are connected by a threaded connection. The limiting sleeve 112 has a connecting hole corresponding to the movable sliding sleeve 111, wherein the movable sliding sleeve 111 and the connecting hole are connected by a sliding connection. The bottom of the movable column 114 has a dovetail groove corresponding to the movable slider 113, wherein the movable slider 113 and the dovetail groove are connected by a sliding connection. When the drive rod 107 rotates, it can drive the connecting frame 115 to rotate through the transmission structure.

[0031] In this embodiment, reference Figure 1 , Figure 4 and Figure 5 The anti-clogging screening structure 2 includes a drive motor 201, which is connected to the side wall of the fixed connecting plate 116 via a connecting plate. The drive end of the drive motor 201 is connected to a drive rod 202 via a coupling. A driven gear 204 is meshed with the outer wall of the drive rod 202 via a drive gear 203. A rotating rod 205 is connected to the center of the driven gear 204. A rotating crank 206 is connected to the side wall of the rotating rod 205. A rotating pull rod 207 is connected to the side wall of the rotating crank 206. The other end of the rotating pull rod 207 is connected to... A connecting seat 208 is connected to a movable screening screen 209 on its side wall. Rotating rollers 210 are connected to the four corners of the bottom of the movable screening screen 209 and to the end face of the connecting frame 115. Fixed racks 211 are symmetrically connected to the side wall of the movable screening screen 209. Multiple sets of rotating gears 212 are meshed on the side wall of the fixed racks 211. A connecting rod 213 is connected to the center of the rotating gears 212. A rotating scraper 214 is connected to the end face of the connecting rod 213 via a connecting plate and to the end face of the movable screening screen 209.

[0032] Based on the above structure and the connection relationship of the above structure, the controller 3 controls the drive motor 201. When the drive end of the drive motor 201 rotates, it sequentially drives the drive rod 202, drive gear 203, driven gear 204, rotating rod 205 and rotating crank 206 to rotate. When the rotating crank 206 rotates, it pulls the moving screening screen 209 to move back and forth on the connecting frame 115 through the rotating pull rod 207 and connecting seat 208. When the moving screening screen 209 moves back and forth on the connecting frame 115, it drives the rotating scraper 214 to swing back and forth through the fixed rack 211, rotating gear 212 and connecting rod 213, thereby preventing the mesh of the moving screening screen 209 from being blocked by corn kernels and affecting the screening effect.

[0033] Furthermore, the drive motor 201 is connected to the controller 3 via wires in an electrical connection manner, and the operation of the drive motor 201 can be controlled by the controller 3.

[0034] Furthermore, the drive rod 202 is connected to the end face of the fixed connecting plate 116 via a bearing seat, wherein the drive rod 202 and the bearing seat are rotatably connected. The rotating rod 205 is connected to the side wall of the fixed connecting plate 116 via a bearing seat, wherein the rotating rod 205 and the bearing seat are rotatably connected. The rotating crank 206 and the rotating pull rod 207 are rotatably connected. The rotating pull rod 207 and the connecting seat 208 are rotatably connected. The connecting rod 213 is connected to the side wall of the connecting frame 115 via a bearing seat, wherein the connecting rod 213 and the bearing seat are rotatably connected. When the drive rod 202 rotates, it can drive the connecting rod 213 to swing through the transmission structure.

[0035] The working process of this utility model is as follows: When using the grading and screening machine for corn kernels, first connect the power supply to the device to put it into operation. Control the adjusting motor 106 through the controller 3. When the driving end of the adjusting motor 106 rotates, it drives the driving rod 107 to rotate. The driving rod 107 drives the driving worm 108 to rotate. The driving worm 108 drives the driven worm wheel 109 to rotate. The driven worm wheel 109 drives the adjusting screw 110 to rotate. When the adjusting screw 110 rotates, it drives the moving sleeve 111 to move in the inner cavity of the limiting sleeve 112, thereby adjusting the angle of the connecting frame 115 and the discharge funnel 117, thereby controlling the screening speed.

[0036] The controller 3 controls the drive motor 201. When the drive end of the drive motor 201 rotates, it drives the drive rod 202 to rotate. The drive rod 202 drives the drive gear 203 to rotate. The drive gear 203 drives the driven gear 204 to rotate. The driven gear 204 drives the rotating rod 205. The rotating rod 205 drives the rotating crank 206 to rotate. When the rotating crank 206 rotates, it pulls the moving screening screen 209 to move back and forth on the connecting frame 115 through the rotating pull rod 207 and the connecting seat 208. When the moving screening screen 209 moves back and forth on the connecting frame 115, it drives the rotating scraper 214 to swing back and forth through the fixed rack 211, the rotating gear 212 and the connecting rod 213, thereby preventing the mesh of the moving screening screen 209 from being blocked by corn kernels and affecting the screening effect.

[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 grading and screening machine for corn kernels, comprising an angle adjustment structure (1), characterized in that: An anti-clogging screening structure (2) is connected to the angle adjustment structure (1), and a controller (3) is connected to the side wall of the angle adjustment structure (1). The angle adjustment structure (1) includes a connecting base (101), with fixed columns (102) symmetrically connected to the end face of the connecting base (101), a rotating connecting seat (103) connected to the end face of the fixed column (102), a connecting column (104) connected to the end face of the rotating connecting seat (103), and a fixed housing (105) symmetrically connected to the end face of the connecting base (101). An adjusting motor (106) is connected to the side wall of the front fixed housing (105) via a connecting seat. The driving end of the adjusting motor (106) is connected to a driving rod (107) via a coupling. A driving worm gear (108) is connected to the side wall of the driving rod (107) and located within the cavity of the fixed housing (105). A meshing connection is made to the side wall of the driving worm gear (108). Driven worm gear (109), with an adjusting screw (110) connected to the center of the driven worm gear (109). A movable sleeve (111) is connected to the outer wall of the adjusting screw (110). A limiting sleeve (112) is connected to the outer wall of the movable sleeve (111). The limiting sleeve (112) is connected to the end face of the connecting base (101) through a connecting plate. A movable slider (113) is connected to the end face of the movable sleeve (111). A movable column (114) is connected to the end face of the movable slider (113). A connecting frame (115) is connected to the end face of the connecting column (104) and the movable column (114). A fixed connecting plate (116) is connected to the side wall of the connecting frame (115). A discharge funnel (117) is connected to the bottom of the connecting frame (115).

2. The grading and screening machine for corn kernels according to claim 1, characterized in that: The anti-clogging screening structure (2) includes a drive motor (201), which is connected to the side wall of the fixed connecting plate (116) via a connecting plate. The drive end of the drive motor (201) is connected to a drive rod (202) via a coupling. A driven gear (204) is meshed with the outer wall of the drive rod (202) via a drive gear (203). A rotating rod (205) is connected to the center of the driven gear (204). A rotating crank (206) is connected to the side wall of the rotating rod (205). A rotating pull rod (207) is connected to the side wall of the rotating crank (206). The other end of the rotating pull rod (207) is connected to the rotating rod (207). A connecting seat (208) is connected, and a movable screening screen (209) is connected to the side wall of the connecting seat (208). Rotating rollers (210) are connected to the four corners of the bottom of the movable screening screen (209) and to the end face of the connecting frame (115). Fixed racks (211) are symmetrically connected to the side wall of the movable screening screen (209). Multiple sets of rotating gears (212) are meshed on the side wall of the fixed racks (211). A connecting rod (213) is connected to the center of the rotating gears (212). A rotating scraper (214) is connected to the end face of the connecting rod (213) through a connecting plate and to the end face of the movable screening screen (209).

3. A grading and screening machine for corn kernels according to claim 2, characterized in that: The regulating motor (106) is connected to the controller (3) by wires and the connection method is electrical connection. The drive rod (107) is connected to the side wall of the fixed box (105) by bearing seat, wherein the connection method between the drive rod (107) and the bearing seat is rotatable connection.

4. A grading and screening machine for corn kernels according to claim 2, characterized in that: The adjusting screw (110) is connected to the end face of the fixed housing (105) through a bearing seat. The adjusting screw (110) is connected to the bearing seat by rotation, and the adjusting screw (110) is connected to the movable sliding sleeve (111) by thread.

5. A grading and screening machine for corn kernels according to claim 2, characterized in that: The limiting sleeve (112) has a connecting hole corresponding to the movable sliding sleeve (111), wherein the movable sliding sleeve (111) and the connecting hole are connected by a sliding connection. The bottom of the movable column (114) has a dovetail groove corresponding to the movable slider (113), wherein the movable slider (113) and the dovetail groove are connected by a sliding connection.

6. A grading and screening machine for corn kernels according to claim 2, characterized in that: The drive motor (201) is connected to the controller (3) by wires and the connection method is electrical connection. The drive rod (202) is connected to the end face of the fixed connecting plate (116) by bearing seat, wherein the drive rod (202) and the bearing seat are connected by rotation.

7. A grading and screening machine for corn kernels according to claim 2, characterized in that: The rotating rod (205) is connected to the side wall of the fixed connecting plate (116) through a bearing seat. The rotating rod (205) is connected to the bearing seat by a rotating connection, and the rotating crank (206) is connected to the rotating pull rod (207) by a rotating connection.

8. A grading and screening machine for corn kernels according to claim 2, characterized in that: The connection between the rotating rod (207) and the connecting seat (208) is a rotating connection. The connecting rod (213) is connected to the side wall of the connecting frame (115) through a bearing seat. The connection between the connecting rod (213) and the bearing seat is a rotating connection.

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