Methods for screening corn seeds

Abstract

The invention relates to a method for screening corn seeds, which comprises a second rotating flower disc for carrying a transfer basket for rotation; the second rotating flower disc has a first exchange station, a second output station for outputting corn kernels from a fully loaded transfer basket, and a third redundant station as a backup; at the first exchange station, the transfer basket receives the fallen corn seeds after threshing; an electric control baffle is provided at the bottom of the transfer basket, and a vibrating conveyor mesh belt is arranged below the second output station. When the electric control baffle is opened, the corn seeds in the transfer basket fall onto the vibrating conveyor mesh belt; the invention has reasonable design, compact structure and is easy to use.

Description

Technical Field

[0001] The invention relates to a corn seed screening system, components and process, and in particular to a process and components for screening corn seeds. Background Art

[0002] At present, some corn threshing structures use a 3-kilowatt motor and a blower. The direction and stop of the motor and blower are controlled by a forward and reverse switch. The motor rotates clockwise to feed corn cobs, and counterclockwise rotation is mainly used to push out corn cobs and troubleshoot. The blower is used to blow away the crumbs and slag produced during threshing. In addition, CN201520881287.3 corn seed thresher has a low degree of automation and cannot be separated efficiently. CN202022870654.3 is a single-ear corn seed thresher with a complex structure and low threshing efficiency. It is impossible to sort the corn cobs. When the corn cobs are inconsistent with the transmission direction, they are prone to jamming.

[0003] CN201920716135.6 A corn seed wind screening system with a low degree of automation; CN202120889256.8 A seed screening machine for corn cultivation with a complex structure; CN201520995973.3 A corn seed screening machine with simple screening, low efficiency, and easy damage to seeds.

[0004] The present invention is based on the existing threshing method and is jointly developed with relevant units. A corn cob combing device is added and the seed screening method after threshing is partially improved, thereby improving efficiency and reducing damage to seeds.

[0005] How to achieve high-efficiency, low-damage, fully automatic threshing has become a technical problem that needs to be solved urgently. Summary of the invention

[0006] The technical problem to be solved by the present invention is generally to provide a corn seed screening system, components and process. The patent number of its parent case is: 2022101642325, application date, 20220222, invention name: corn seed screening system.

[0007] To solve the above problems, the technical solution adopted by the present invention is:

[0008] A sorting device of a corn seed screening system comprises a second rotating disc for carrying a transfer basket to rotate;

[0009] The second rotating faceplate has a first exchange station, a second output station for outputting corn kernels from a fully loaded transfer basket, and a third redundant station as a backup;

[0010] At the first exchange station, the transfer basket receives the fallen corn seeds after threshing;

[0011] The bottom of the transfer basket is provided with an electric control baffle, and a vibrating conveyor mesh belt is arranged under the second output station. When the electric control baffle is opened, the corn seeds in the transfer basket fall onto the vibrating conveyor mesh belt;

[0012] A flexible opposing meshing roller is arranged on one side of the output end of the vibrating conveyor mesh belt, and a detection camera is arranged above the flexible opposing meshing roller; a secondary opposing meshing roller is arranged below the flexible opposing meshing roller, a first flotation tank is arranged below the secondary opposing meshing roller, an intermediate conveyor belt input end is arranged in the first flotation tank, and a second flotation tank is arranged at the output end of the intermediate conveyor belt; a flotation output belt is arranged on one side of the second flotation tank; the gap width between the secondary opposing meshing rollers is greater than the external dimensions of a corn.

[0013] As a further improvement of the above technical solution:

[0014] A plurality of suction pipes and / or blowing pipes are arranged on the vibrating conveyor mesh belt.

[0015] A corn seed screening system, wherein the output end of a thresher is arranged at the input end of a sorting device;

[0016] A thresher, arranged below the combing and dropping device, performs threshing operation on corn cobs;

[0017] A combing and dropping device is arranged above the input end of the thresher, which is used to drop and output corn cobs one by one.

[0018] As a further improvement of the above technical solution:

[0019] The combing and dropping device comprises a funnel dropping channel for dropping the corn cobs in an upright state;

[0020] A top cone is provided above the funnel drop channel, and a plurality of side busbar guide rails are distributed on the inner side wall of the top cone;

[0021] A lower movable seat of a telescopic sliding arm is movable in each side busbar guide rail, and a central lifting counterweight rod is arranged above the center of the top cone, and the central lifting counterweight rod is hinged to the end of the telescopic sliding arm;

[0022] A return spring part is sleeved on the telescopic sliding arm, a fixed sleeve seat is connected to the upper end of the return spring part, and a lifting drive part is arranged above the central lifting counterweight rod;

[0023] An oblique vertical plate with a height higher than the side busbar guide rail is arranged on the inner side wall of the top cone;

[0024] The corn cobs fall longitudinally through the gaps between adjacent telescopic sliding arms into the funnel drop channel.

[0025] A method for screening corn seeds, including a sorting method;

[0026] S4.1, corn seeds fall into the transfer basket;

[0027] S4.2, the transfer basket rotates to the second output station through the second rotating disc; secondly, the electric control baffle opens, and the corn seeds in the transfer basket fall onto the vibrating conveyor belt;

[0028] S4.3, first, the corn seeds are blown by the blowing pipe on the vibrating conveyor belt to remove impurities and the impurities are sucked by the suction pipe; then, the flexible opposing meshing rollers are meshed against each other, so that the output corn seeds fall through the secondary opposing meshing rollers to the first flotation tank, and are detected by the detection camera;

[0029] S4.4, corn seeds are floated through the first flotation tank, the middle conveyor belt and the second flotation tank.

[0030] As a further improvement of the above technical solution:

[0031] In S4.1, there are two cases;

[0032] In case 1, when there is an electric-controlled baffle at the bottom, at the first exchange station, the electric-controlled baffle of the temporary storage part is opened, so that the corn seeds fall into the transfer basket;

[0033] Case 2: when the bottom has an opening, first, the first supporting faceplate carries the transfer basket, and the first supporting faceplate rotates synchronously with the external storage disc assembly, and at the same time, the corn seeds fall into the transfer basket through the falling particle channel and the falling temporary storage part; then, at the first exchange station, the first supporting faceplate sends the fully loaded transfer basket to the second rotating faceplate; again, after executing S4.2, the second rotating faceplate sends the empty transfer basket to the first supporting faceplate;

[0034] At the first exchange station, the auxiliary manipulator pushes the transfer basket alternately between the first supporting faceplate and the second rotating faceplate.

[0035] Prior to screening, the following steps were performed;

[0036] S2, the corn cobs are made to fall by combing the falling device,

[0037] S3, threshing the fallen corn cobs by a thresher;

[0038] In S2, the falling and conveying step is executed. First, the corn feeding device conveys the corn cobs to the top cone disk; then, under the action of the gravity of the central lifting counterweight rod and the elastic force of the return spring part, the central lifting counterweight rod moves downward; thereafter, under the action of the lifting drive part, the central lifting counterweight rod overcomes its own gravity and the elastic force of the return spring part, and the central lifting counterweight rod moves upward; again, the central lifting counterweight rod pulls the telescopic sliding arm up and down to swing up and down, and at the same time, the lower movable seat at the root of the telescopic sliding arm moves in each side busbar guide rail, so that the corn cobs on the adjacent telescopic sliding arms can move and intermittently contact the corresponding inclined vertical plates, so as to achieve direction adjustment, and the corn cobs one by one fall longitudinally through the gap between the adjacent telescopic sliding arms into the funnel falling channel.

[0039] The transfer basket of the present invention can be a tank, box or barrel for temporary storage. The first supporting disc can be rotated to improve efficiency. However, the components can be omitted to improve efficiency. The second rotating disc realizes the first exchange station, the second output station realizes station connection, the vibration transmission mesh belt has guardrails on both sides, which are omitted in the figure, the suction pipe and the air outlet pipe realize impurity removal, the mesh belt realizes particle falling, the flexible opposing meshing rollers can be rubber or sponge, etc., the detection camera realizes monitoring, the second falling meshing roller realizes secondary screening, the first flotation tank, the middle conveyor belt, and the second flotation tank use different densities to sort stones, debris and other debris, and the third redundant station is for standby. The combing and falling device has a self-adjusting and correcting function to prevent jamming. The present invention has a reasonable design, low cost, strong and durable, safe and reliable, simple operation, time-saving and labor-saving, money-saving, compact structure and easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a schematic diagram of the overall screening use structure of the present invention.

[0041] Figure 2 It is a schematic diagram of the main structure of threshing of the present invention.

[0042] Figure 3 It is a schematic diagram of the improved structure of the present invention.

[0043] Among them: 2. Combing and falling device; 3. Thresher; 30. Funnel falling channel; 31. Top cone; 32. Side busbar guide; 33. Telescopic sliding arm; 34. Center lifting counterweight rod; 35. Fixed sleeve; 36. Reset spring part; 38. Oblique vertical plate; 47. Drop funnel; 48. Transfer basket; 49. First supporting disc; 50. Second rotating disc; 51. First exchange station; 52. Second output station; 53. Vibrating conveyor mesh belt; 54. Suction pipe; 55. Flexible opposing meshing roller; 56. Detection camera; 57. Falling secondary meshing roller; 58. First flotation tank; 59. Intermediate conveyor belt; 60. Second flotation tank; 61. Third redundant station. DETAILED DESCRIPTION

[0044] like Figure 1-2 As shown, the corn seed screening system of this embodiment includes a sorting device; the sorting device includes a second rotating flower disk 50 for carrying a transfer basket 48 to rotate;

[0045] The second rotating faceplate 50 has a first exchange station 51, a second output station 52 for outputting corn kernels from the fully loaded transfer basket 48, and a third redundant station 61 as a backup;

[0046] At the first exchange station 51, the transfer basket 48 receives the fallen corn seeds after threshing;

[0047] The bottom of the transfer basket 48 is provided with an electric control baffle, and a vibrating conveyor mesh belt 53 is provided below the second output station 52. When the electric control baffle is opened, the corn seeds in the transfer basket 48 fall onto the vibrating conveyor mesh belt 53;

[0048] A flexible opposing meshing roller 55 is arranged on one side of the output end of the vibrating conveyor mesh belt 53, and a detection camera 56 is arranged above the flexible opposing meshing roller 55; a secondary opposing meshing roller 57 is arranged below the flexible opposing meshing roller 55, a first flotation tank 58 is arranged below the secondary opposing meshing roller 57, an intermediate conveyor belt 59 input end is arranged in the first flotation tank 58, and a second flotation tank 60 is arranged at the output end of the intermediate conveyor belt 59; a flotation output belt is arranged on one side of the second flotation tank 60; the gap width between the secondary opposing meshing rollers 57 is greater than the external dimensions of a corn.

[0049] A plurality of suction pipes 54 and / or blowing pipes are arranged on the vibrating conveyor mesh belt 53 .

[0050] The output end of the automatic thresher is arranged at the input end of the sorting device; wherein the automatic thresher comprises the following components;

[0051] A combing and dropping device 2, used for dropping and outputting corn cobs one by one;

[0052] The thresher 3 is arranged below the combing and falling device 2 to perform threshing operation. The thresher can be vertical or horizontal.

[0053] A falling particle temporary storage portion 47 is provided below the falling particle channel 46;

[0054] When the rotating gear ring disc 42 rotates, the side arm 44 is moved to make the corn threshing and debris falling on the falling particle channel 46 fall into the falling temporary storage part 47.

[0055] The bottom of the temporary storage section 47 has an opening or an electric control baffle; the temporary storage section 47 is located above the transfer basket 48;

[0056] When the bottom has an electric-controlled baffle, at the first exchange station 51, the electric-controlled baffle of the temporary storage portion 47 is opened, so that the corn seeds fall into the transfer basket 48;

[0057] When the bottom has an opening, a synchronously rotating first supporting disc 49 is provided below the rotating external storage disc assembly 6, and the first supporting disc 49 is used to carry the transfer basket 48, into which the corn seeds fall through the falling particle channel 46; at the first exchange station 51, the first supporting disc 49 sends the fully loaded transfer basket 48 to the second rotating disc 50 and / or the second rotating disc 50 sends the empty transfer basket 48 to the first supporting disc 49.

[0058] An auxiliary robot is provided at the first exchange station 51 .

[0059] As an example, Figure 1-3 , the corn seed screening method of this embodiment includes a sorting method;

[0060] S4.1, corn seeds fall into the transfer basket 48;

[0061] S4.2, the transfer basket 48 rotates to the second output station 52 through the second rotating disc 50; secondly, the electric control baffle opens, and the corn seeds in the transfer basket 48 fall onto the vibrating conveyor belt 53;

[0062] S4.3, first, the corn seeds are blown by the blowing pipe to remove impurities on the vibrating conveyor mesh belt 53 and the impurities are sucked by the suction pipe 54; then, the flexible opposing meshing rollers 55 are meshed in opposition, so that the output corn seeds fall through the secondary opposing meshing rollers 57 to the first flotation tank 58, and are detected by the detection camera 56;

[0063] S4.4, the corn seeds are floated through the first flotation tank 58, the intermediate conveyor belt 59 and the second flotation tank 60.

[0064] In S4.1, there are two cases;

[0065] In case 1, when there is an electric-controlled baffle at the bottom, at the first exchange station 51, the electric-controlled baffle of the temporary storage portion 47 is opened, so that the corn seeds fall into the transfer basket 48;

[0066] Case 2, when the bottom has an opening, first, the first supporting faceplate 49 carries the transfer basket 48, and the first supporting faceplate 49 rotates synchronously with the external storage disc assembly 6, and at the same time, the corn seeds fall into the transfer basket 48 through the falling particle channel 46 and the falling temporary storage part 47; then, at the first exchange station 51, the first supporting faceplate 49 sends the fully loaded transfer basket 48 to the second rotating faceplate 50; again, after executing S4.2, the second rotating faceplate 50 sends the empty transfer basket 48 to the first supporting faceplate 49;

[0067] At the first exchange station 51 , the auxiliary robot pushes the transfer basket 48 alternately between the first supporting faceplate 49 and the second rotating faceplate 50 .

[0068] Prior to screening, the following steps were performed;

[0069] S1, conveying corn cobs through a corn feeding device;

[0070] S2, the corn cobs are made to fall by combing the falling device 2,

[0071] S3, threshing the corn cobs by the thresher 3.

[0072] like Figure 3 As an improvement, the second rotating faceplate 50 is equipped with a first supporting faceplate 49 for conveying the transfer basket 48 .

[0073] like Figure 1-2 As shown, in Example 1, the components of the automatic corn thresher of this embodiment include a combing and dropping device 2 for a funnel dropping channel 30 for dropping corn cobs in an upright state; thereby, the corns can be dropped one by one so as to be threshed one by one later.

[0074] A top cone 31 is provided above the funnel drop channel 30, and a plurality of side busbar guide rails 32 are distributed on the inner side wall of the top cone 31;

[0075] A lower movable seat of a telescopic sliding arm 33 is movable in each side busbar guide rail 32, and a central lifting counterweight rod 34 is arranged above the center of the top cone 31, and the central lifting counterweight rod 34 is hinged to the end of the telescopic sliding arm 33;

[0076] A return spring portion 36 is sleeved on the telescopic sliding arm 33, and a fixed sleeve seat 35 is connected to the upper end of the return spring portion 36;

[0077] An oblique vertical plate 38 having a height higher than the side busbar guide rail 32 is provided on the inner side wall of the top cone 31;

[0078] The corn cob falls longitudinally into the funnel drop channel 30 through the gap between adjacent telescopic sliding arms 33. This can increase the stroke, thereby making the corn cob better oriented and avoiding jamming.

[0079] As an embodiment, the corn seed screening system, assembly and process of this embodiment include the following components;

[0080] The combing and dropping device 2 is arranged at the output end of the corn feeding device 1 and is used for dropping and outputting corn cobs one by one;

[0081] The thresher 3 is arranged below the combing and falling device 2, and clamps the falling corn cobs to perform threshing operation on them.

[0082] In S2, the falling and conveying step is executed. First, the corn feeding device conveys the corn cobs to the top cone disk 31; then, under the action of the gravity of the central lifting counterweight rod 34 and the elastic force of the return spring part 36, the central lifting counterweight rod 34 moves downward; thereafter, under the pulling force of the lifting drive part, the central lifting counterweight rod 34 overcomes its own gravity and the elastic force of the return spring part 36, and the central lifting counterweight rod 34 moves upward; again, when the central lifting counterweight rod 34 pulls the telescopic sliding arm 33 to swing up and down when it is extended and retracted, at the same time, the lower movable seat at the root of the telescopic sliding arm 33 moves in each side busbar guide rail 32, so that the corn cobs on the adjacent telescopic sliding arms 33 can move, and intermittently contact the corresponding inclined vertical plates 38, so as to realize the direction adjustment, and the corn cobs one by one fall longitudinally through the gap between the adjacent telescopic sliding arms 33 into the funnel falling channel 30.

[0083] The various embodiments of the present invention may be used alone or in combination.

[0084] The present invention is fully described for a clearer disclosure, and the prior art is not listed one by one.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some of the technical features therein with equivalents; it is obvious for those skilled in the art to combine multiple technical solutions of the present invention. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known technologies.

Claims

1. A method for screening corn seeds, characterized in that: Including sorting methods; S1, conveying corn cobs through a corn feeding device; S2, making the corn cobs fall by combing the falling device (2); S3, threshing the fallen corn cobs by means of a thresher (3); S4.1, corn seeds fall into the transfer basket (48); S4.2, the transfer basket (48) is rotated to the second output station (52) via the second rotating disc (50); secondly, the electric control baffle is opened, and the corn seeds in the transfer basket (48) fall onto the vibrating conveyor belt (53); S4.3, first, corn seeds are blown by a blowing pipe to remove impurities on the vibrating conveyor mesh belt (53) and the impurities are sucked by the suction pipe (54); wherein a flexible opposing meshing roller (55) is arranged on one side of the output end of the vibrating conveyor mesh belt (53), a secondary opposing meshing roller (57) is arranged below the flexible opposing meshing roller (55), and a first flotation tank (58) is arranged below the secondary opposing meshing roller (57); Then, the flexible opposing meshing rollers (55) mesh with each other, so that the output corn seeds fall through the secondary opposing meshing rollers (57) to the first flotation tank (58), and are detected by the detection camera (56); S4.4, the corn seeds are floated through the first flotation tank (58), the intermediate conveyor belt (59) and the second flotation tank (60); In S4.1, there are two cases; Case 1: When the bottom of the thresher is provided with an electric-controlled baffle, at the first exchange station (51), the electric-controlled baffle of the temporary storage portion (47) is opened, so that the corn seeds fall into the transfer basket (48); Case 2: When the bottom of the thresher has an opening, first, the first supporting faceplate (49) carries the transfer basket (48), and the first supporting faceplate (49) rotates synchronously with the external storage disc assembly (6), and at the same time, the corn seeds fall into the transfer basket (48) through the falling grain channel (46) and the falling temporary storage portion (47); then, at the first exchange station (51), the first supporting faceplate (49) sends the fully loaded transfer basket (48) to the second rotating faceplate (50); again, after executing S4.2, the second rotating faceplate (50) sends the empty transfer basket (48) to the first supporting faceplate (49); At the first exchange station (51), the auxiliary manipulator pushes the transfer basket (48) alternately between the first supporting faceplate (49) and the second rotating faceplate (50); The combing and dropping device (2) comprises a funnel dropping channel (30) for dropping the corn cobs in an upright state; A top cone (31) is provided above the funnel drop channel (30), and a plurality of side busbar guide rails (32) are distributed on the inner side wall of the top cone (31); A lower movable seat of a telescopic sliding arm (33) is movably arranged in each side busbar guide rail (32), a central lifting counterweight rod (34) is arranged above the center of the top cone (31), and the central lifting counterweight rod (34) is hinged to the end of the telescopic sliding arm (33); A return spring portion (36) is sleeved on the telescopic sliding arm (33), a fixed sleeve seat (35) is connected to the upper end of the return spring portion (36), and a lifting drive portion is arranged above the central lifting counterweight rod (34); An oblique vertical plate (38) having a height higher than the side busbar guide rail (32) is provided on the inner side wall of the top cone (31); The corn cobs fall longitudinally through the gaps between adjacent telescopic sliding arms (33) into the funnel drop channel (30).

Images