Discharging mechanism for agricultural seeder

Abstract

The utility model discloses a blanking mechanism for an agricultural seeding machine, which belongs to the technical field of agricultural seeding machines and comprises a box body, two connecting seats are fixedly connected to the left and right parts of the bottom of the box body, a feeding hopper is fixedly connected to the top of the box body, and a screening mechanism is movably connected to the upper part of the box body. The lower portion of the right side of the box body is fixedly connected with an anti-accumulation mechanism, and the screening mechanism comprises two sliding plates and a bottom plate. The first motor is started to drive the first half-tooth gear to rotate clockwise, the arranged first half-tooth gear rotates continuously, under the action of the first spring, the screening box can move left and right back and forth, seeds are thrown into the screening box through the feeding hopper, and when the screening box moves back and forth, the seeds are separated from the screening box. When the seeds are screened, the seeds in the screening box are driven to shake, so that a certain screening effect is achieved, and impurities in the seeds can be blocked.

Description

Technical Field

[0001] The utility model relates to a feeding mechanism for an agricultural seeding machine, belonging to the technical field of agricultural seeding machines. Background Art

[0002] In the process of agricultural production, a sowing machine is usually used to sow seeds. For example, the Chinese patent with the announcement number CN220422425U discloses a feeding mechanism for an agricultural sowing machine. Its technical solution includes: a feeding hopper, a support plate is installed below the outer wall of one side of the feeding hopper, a side plate and a first reduction motor are installed on the upper surface of the support plate, and the side plate is located on one side of the first reduction motor, a cam is installed on the output shaft of the first reduction motor, and an extrusion plate is arranged on one side of the cam, and the extrusion plate is installed on one end of the connecting column, and the other end of the connecting column passes through the through hole and is connected to the L-shaped baffle, and the outer side of the outer wall of the connecting column is sleeved with a spring, and the spring is located between the side plate and the extrusion plate, and the bottom of the feeding hopper is provided with a discharge pipe, and a circular baffle is arranged inside the discharge pipe. The utility model not only realizes automatic intermittent feeding, but also facilitates the staff to control the amount of feeding, is easy to operate and use, and has strong practicality.

[0003] However, this technology has the following problems: the existing feeding mechanism cannot screen the seeds, resulting in some impurities in the sown seeds. At the same time, the existing feeding mechanism usually temporarily stores the seeds inside, which is prone to accumulation when feeding is needed, affecting the feeding effect. Utility Model Content

[0004] The utility model provides a feeding mechanism for an agricultural seeding machine to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A feeding mechanism for an agricultural seeding machine comprises a box body, two connecting seats are fixedly connected to the left and right parts of the bottom of the box body, a feeding hopper is fixedly connected to the top of the box body, a screening mechanism is movably connected to the upper part of the box body, and an anti-stacking mechanism is fixedly connected to the lower right part of the box body.

[0007] Preferably: the screening mechanism comprises two slides and a bottom plate, the right side of the bottom plate is fixedly connected to the upper part of the left side of the box body, the top of the bottom plate is fixedly connected to a motor 1, the output end of the motor 1 is fixedly connected to a half-tooth gear 1, the surfaces of the two slides are movably connected to the left and right parts of the upper part of the box body, the opposite surfaces of the two slides are fixedly connected to a screening box, the lower part of the inner wall of the screening box is fixedly connected to a screening plate, the right side of the slide located on the right side is fixedly connected to a fixing plate, the four left corners of the fixing plate are fixedly connected to a spring 1, the left side of the slide located on the left side is fixedly connected to a connecting plate 2, the left part of the connecting plate 2 is fixedly connected to a rotating shaft, the upper left position of the box body is fixedly connected to a connecting plate 1, the left part of the connecting plate 1 is rotatably connected to a gear, the lower end of the gear is meshed with the upper end of the half-tooth gear 1, and the rear end of the gear passes through the connecting plate 1 and is fixedly connected to a rotating plate.

[0008] Preferably, the width of the screening box is slightly smaller than the inner wall width of the box body, and the length of the screening box is much larger than the length of the bottom of the feed hopper.

[0009] Preferably, the shape of the connecting plate 2 is a U-shaped plate, and the width of the left portion of the connecting plate 2 is slightly greater than the thickness of the rotating plate.

[0010] Preferably, a square groove is provided on the upper portion of the rotating plate, and the width of the square groove is consistent with the surface diameter of the rotating shaft.

[0011] Preferably: the anti-accumulation mechanism includes a connecting plate four, the left side of the connecting plate four is fixedly connected to the lower part of the right side of the box body, the top of the connecting plate four is fixedly connected to a motor two, the output end of the motor two is fixedly connected to a half-toothed gear two, the left end of the half-toothed gear two is meshed with a toothed plate, the bottom of the toothed plate passes through the connecting plate four and is fixedly connected to a lifting plate, the front and rear parts of the connecting plate four and the opposite surfaces of the lifting plate are fixedly connected to springs three, the left part of the lower part of the inner wall of the box body is rotatably connected to a filter plate, the front and rear parts of the top of the filter plate are fixedly connected to two springs two, the tops of the two springs two are fixedly connected to a connecting plate three, the left side of the connecting plate three is fixedly connected to the right side of the box body, and the bottom of the box body is fixedly connected to a discharge hopper.

[0012] Preferably, two side plates are fixedly connected to the left and right parts of the bottom of the inner wall of the box body, the two side plates are both shaped like inclined plates, and the distance between the two side plates is consistent with the length of the discharge hopper.

[0013] Preferably, a limiting groove is provided at the lower right side of the box body, the length of the limiting groove is consistent with the width of the filter plate, and the height of the limiting groove is greater than the thickness of the filter plate.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a feeding mechanism for an agricultural seeder, which drives a half-toothed gear to rotate clockwise by starting a motor, and the half-toothed gear rotates continuously. Under the action of a spring, a screening box can move back and forth, and seeds are put into the screening box through a feed hopper. When the screening box moves back and forth, the seeds inside the screening box will be driven to shake, thereby achieving a certain screening effect, so that impurities in the seeds can be blocked, and a better sowing effect can be achieved.

[0016] 2. The utility model provides a feeding mechanism for an agricultural seeder, which starts the second motor to make the second half-tooth gear rotate clockwise, and the second half-tooth gear rotates continuously, so that the filter plate moves back and forth, achieving a vibration effect, so that seeds will not accumulate on the filter plate. At the same time, two side plates are arranged on both sides of the discharge hopper, and the two side plates are inclined to the middle position, so that the seeds can slide smoothly into the discharge hopper, thereby achieving a better sowing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the screening mechanism of the utility model;

[0019] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 This is a schematic cross-sectional view of the anti-accumulation mechanism of the utility model;

[0021] Figure 5 It is a partial structural schematic diagram of the anti-accumulation mechanism of the utility model.

[0022] In the figure: 1. box body; 2. connecting seat; 3. feed hopper; 4. screening mechanism; 5. anti-stacking mechanism; 41. screening box; 42. screening plate; 43. slide plate; 44. fixing plate; 45. spring one; 46. motor one; 47. half-tooth gear one; 48. connecting plate one; 49. gear; 401. rotating plate; 402. square groove; 403. connecting plate two; 404. rotating shaft; 405. bottom plate; 51. discharging hopper; 52. side plate; 53. filter plate; 54. connecting plate three; 55. spring two; 56. connecting plate four; 57. spring three; 58. lifting plate; 59. motor two; 501. half-tooth gear two; 502. tooth plate; 503. limit groove. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0024] like Figure 1 As shown, a feeding mechanism for an agricultural seeding machine includes a box body 1, two connecting seats 2 are fixedly connected to the left and right parts of the bottom of the box body 1, a feeding hopper 3 is fixedly connected to the top of the box body 1, a screening mechanism 4 is movably connected to the upper position of the box body 1, and an anti-accumulation mechanism 5 is fixedly connected to the lower right part of the box body 1.

[0025] It should be noted that, through the setting of the connecting seat 2, the whole can be installed at a suitable position of the seeder, the setting of the screening mechanism 4 can screen the seeds to a certain extent, so that impurities in the seeds can be blocked, and the setting of the anti-accumulation mechanism 5 prevents the seeds from accumulating on the filter plate 53, so that the seeds can slide smoothly into the discharge hopper 51, thereby achieving a better sowing effect.

[0026] like Figure 2 , Figure 3 As shown, the screening mechanism 4 includes two slides 43 and a bottom plate 405. The right side of the bottom plate 405 is fixedly connected to the upper part of the left side of the box body 1. The top of the bottom plate 405 is fixedly connected to a motor 1 46. The output end of the motor 1 46 is fixedly connected to a half-toothed gear 1 47. The surfaces of the two slides 43 are movably connected to the left and right parts of the upper part of the box body 1. The opposite surfaces of the two slides 43 are fixedly connected to the screening box 41. The lower part of the inner wall of the screening box 41 is fixedly connected to a screening plate 42. The right side of the right slide 43 is fixedly connected to the left side of the right ... A fixing plate 44 is connected, and springs 45 are fixedly connected to the four left corners of the fixing plate 44. A connecting plate 2 403 is fixedly connected to the left side of the left slide plate 43, and a rotating shaft 404 is fixedly connected to the left part of the connecting plate 2 403. A connecting plate 1 48 is fixedly connected to the upper left part of the box body 1, and a gear 49 is rotatably connected to the left part of the connecting plate 1 48. The lower end of the gear 49 is meshed with the upper end of the half-tooth gear 1 47, and the rear end of the gear 49 passes through the connecting plate 1 48 and is fixedly connected to the rotating plate 401.

[0027] It should be noted that by starting the motor 1 46, the half-toothed gear 1 47 is driven to rotate clockwise, and the half-toothed gear 1 47 is meshed with the gear 49, thereby driving the gear 49 to rotate counterclockwise, thereby driving the rotating plate 401 to rotate counterclockwise, thereby driving the rotating shaft 404 to rotate counterclockwise, thereby driving the rotating shaft 404 to move leftward, driving the connecting plate 2 403 to rotate leftward, thereby driving the left slide 43 to move leftward, thereby driving the screening box 41 to move, so that the right slide 43 moves leftward, thereby making the four springs 1 401 rotate counterclockwise, thereby driving ... 5 is compressed, and when the half-toothed gear 47 rotates half a circle, it will not mesh with the gear 49. Under the action of the spring 45, the slide plate 43 moves to the right, and then the screening box 41 moves to the right. The half-toothed gear 47 is continuously rotated, so that the screening box 41 can move back and forth, and the seeds are put into the screening box 41 through the feed hopper 3. When the screening box 41 moves back and forth, the seeds inside the screening box 41 will be driven to shake, thereby achieving a certain screening effect, so that the impurities in the seeds can be blocked, and a better sowing effect is achieved.

[0028] like Figure 2 As shown, the width of the screening box 41 is slightly smaller than the inner wall width of the box body 1 , and the length of the screening box 41 is much larger than the length of the bottom of the feed hopper 3 .

[0029] It should be noted that when the screening box 41 moves back and forth left and right, the seeds inside the screening box 41 will be shaken, thereby achieving a certain screening effect.

[0030] like Figure 2 , Figure 3 As shown, the shape of the second connecting plate 403 is a U-shaped plate, and the width of the left portion of the second connecting plate 403 is slightly greater than the thickness of the rotating plate 401 .

[0031] It should be noted that the rotating plate 401 rotates counterclockwise, thereby driving the rotating shaft 404 to rotate counterclockwise, thereby driving the rotating shaft 404 to move leftward.

[0032] like Figure 2 , Figure 3 As shown, a square groove 402 is formed on the upper portion of the rotating plate 401 , and the width of the square groove 402 is consistent with the surface diameter of the rotating shaft 404 .

[0033] It should be noted that the rotating plate 401 is arranged to move along the square groove 402 so that the sliding plate 43 can move smoothly.

[0034] like Figure 4 , Figure 5As shown, the anti-accumulation mechanism 5 includes a connecting plate four 56, the left side of the connecting plate four 56 is fixedly connected to the lower part of the right side of the box body 1, the top of the connecting plate four 56 is fixedly connected to a motor two 59, the output end of the motor two 59 is fixedly connected to a half-tooth gear two 501, the left end of the half-tooth gear two 501 is meshed with a tooth plate 502, the bottom of the tooth plate 502 passes through the connecting plate four 56 and is fixedly connected to a lifting plate 58, the front and rear parts of the opposite surfaces of the connecting plate four 56 and the lifting plate 58 are fixedly connected to spring three 57, the left part of the lower inner wall of the box body 1 is rotatably connected to the filter plate 53, the front and rear parts of the top of the filter plate 53 are fixedly connected to two springs two 55, the tops of the two springs two 55 are fixedly connected to the connecting plate three 54, the left side of the connecting plate three 54 is fixedly connected to the right side of the box body 1, and the bottom of the box body 1 is fixedly connected to the discharge hopper 51.

[0035] It should be noted that, by starting the motor 2 59, the half-toothed gear 2 501 rotates clockwise, the motor 2 59 is meshed with the tooth plate 502, and the tooth plate 502 is driven to move upward, the spring 2 55 is placed on the tooth plate 502, and the filter plate 53 is driven to rotate, so that the filter plate 53 moves upward, and the spring 2 55 is compressed, and the lifting plate 58 is driven to move upward, and the spring 3 57 is compressed. When the half-toothed gear 2 501 rotates half a circle, it will not be in contact with the tooth plate 50 2 meshes, at this time, under the action of spring three 57 and spring two 55, the filter plate 53 moves downward, and the semi-toothed gear two 501 is continuously rotated, so that the filter plate 53 moves back and forth, achieving a vibration effect, so that the seeds will not accumulate on the filter plate 53, and the seeds will fall and fall downward along the discharge hopper 51. At the same time, two side plates 52 are arranged on both sides of the discharge hopper 51, and the two side plates 52 are inclined to the middle position, so that the seeds can slide smoothly into the discharge hopper 51, thereby achieving a better sowing effect.

[0036] like Figure 4 As shown, two side plates 52 are fixedly connected to the left and right parts of the bottom of the inner wall of the box body 1 . The two side plates 52 are both inclined plate-shaped, and the distance between the two side plates 52 is consistent with the length of the discharge hopper 51 .

[0037] It should be noted that two side plates 52 are provided on both sides of the discharge hopper 51 , and the two side plates 52 are inclined toward the middle position so that the seeds can slide smoothly into the discharge hopper 51 .

[0038] like Figure 4 As shown, a limiting groove 503 is provided at the lower right side of the box body 1 , the length of the limiting groove 503 is consistent with the width of the filter plate 53 , and the height of the limiting groove 503 is greater than the thickness of the filter plate 53 .

[0039] It should be noted that the limiting groove 503 ensures that the filter plate 53 can move up and down smoothly to achieve a better vibration effect.

[0040] The working principle of the utility model is as follows: first, the whole is installed on a suitable position of the seed drill through the connecting seat 2, and the motor 1 46 is started to drive the half-toothed gear 1 47 to rotate clockwise, and the half-toothed gear 1 47 is meshed with the gear 49, thereby driving the gear 49 to rotate counterclockwise, thereby driving the rotating plate 401 to rotate counterclockwise, thereby driving the rotating shaft 404 to rotate counterclockwise, thereby driving the rotating shaft 404 to move leftward, driving the connecting plate 2 403 to rotate leftward, thereby driving the left slide 43 to move leftward, thereby driving the screening box 41 to occur. The slide plate 43 on the right side moves to the left, thereby compressing the four springs 45. When the half-toothed gear 47 rotates half a circle, it will not mesh with the gear 49. Under the action of the spring 45, the slide plate 43 moves to the right, thereby moving the screening box 41 to the right. The half-toothed gear 47 rotates continuously, thereby allowing the screening box 41 to move back and forth. The seeds are put into the screening box 41 through the feed hopper 3. When the screening box 41 moves back and forth, the seeds inside the screening box 41 will be shaken, thereby achieving a certain screening effect. , so that impurities in the seeds can be blocked, achieving a better sowing effect, by starting the motor 2 59, the half-toothed gear 2 501 rotates clockwise, the motor 2 59 is engaged with the tooth plate 502, and then the tooth plate 502 is driven to move upward, the spring 2 55 is placed on the tooth plate 502, and then the filter plate 53 is driven to rotate, so that the filter plate 53 moves upward, and then the spring 2 55 is compressed, and at the same time, the lifting plate 58 is driven to move upward, and then the spring 3 57 is compressed. When the half-toothed gear 2 501 rotates half a circle After that, it will not mesh with the tooth plate 502. At this time, under the action of spring three 57 and spring two 55, the filter plate 53 moves downward, and the semi-tooth gear two 501 is continuously rotated, so that the filter plate 53 moves back and forth, achieving a vibration effect, so that the seeds will not accumulate on the filter plate 53. The seeds fall and will fall downward along the discharge hopper 51. At the same time, two side plates 52 are provided on both sides of the discharge hopper 51, and the two side plates 52 are inclined to the middle position, so that the seeds can slide into the discharge hopper 51 smoothly, thereby achieving a better sowing effect.

[0041] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A feeding mechanism for an agricultural seeding machine, comprising a box (1), characterized in that: Two connecting seats (2) are fixedly connected to the left and right parts of the bottom of the box body (1), a feed hopper (3) is fixedly connected to the top of the box body (1), a screening mechanism (4) is movably connected to the upper part of the box body (1), and an anti-stacking mechanism (5) is fixedly connected to the lower right part of the box body (1).

2. The feeding mechanism for an agricultural seeding machine according to claim 1, characterized in that: The screening mechanism (4) comprises two slides (43) and a bottom plate (405), the right side of the bottom plate (405) being fixedly connected to the upper portion of the left side of the box body (1), the top of the bottom plate (405) being fixedly connected to a motor 1 (46), the output end of the motor 1 (46) being fixedly connected to a half-toothed gear 1 (47), the surfaces of the two slides (43) being movably connected to the left and right portions of the upper portion of the box body (1), the opposite surfaces of the two slides (43) being fixedly connected to a screening box (41), the lower portion of the inner wall of the screening box (41) being fixedly connected to a screening plate (42), the right side of the slide (43) being fixedly connected to the A fixing plate (44) is connected, and springs 1 (45) are fixedly connected to the four left corners of the fixing plate (44). A connecting plate 2 (403) is fixedly connected to the left side of the slide plate (43) on the left side, and a rotating shaft (404) is fixedly connected to the left portion of the connecting plate 2 (403). A connecting plate 1 (48) is fixedly connected to the upper left portion of the box body (1), and a gear (49) is rotatably connected to the left portion of the connecting plate 1 (48). The lower end of the gear (49) is meshed with the upper end of the half-tooth gear 1 (47), and the rear end of the gear (49) passes through the connecting plate 1 (48) and is fixedly connected to the rotating plate (401).

3. A feeding mechanism for an agricultural seeding machine according to claim 2, characterized in that: The width of the screening box (41) is slightly smaller than the width of the inner wall of the box body (1), and the length of the screening box (41) is much greater than the length of the bottom of the feed hopper (3).

4. The feeding mechanism for an agricultural seeding machine according to claim 2, characterized in that: The shape of the second connecting plate (403) is a U-shaped plate, and the width of the left portion of the second connecting plate (403) is slightly greater than the thickness of the rotating plate (401).

5. The feeding mechanism for an agricultural seeding machine according to claim 2, characterized in that: A square groove (402) is provided on the upper portion of the rotating plate (401), and the width of the square groove (402) is consistent with the surface diameter of the rotating shaft (404).

6. The feeding mechanism for an agricultural seed drill according to claim 2, characterized in that: The anti-accumulation mechanism (5) comprises a connecting plate four (56), the left side of the connecting plate four (56) being fixedly connected to the lower part of the right side of the box body (1), the top of the connecting plate four (56) being fixedly connected to a motor two (59), the output end of the motor two (59) being fixedly connected to a half-toothed gear two (501), the left end of the half-toothed gear two (501) being meshed with a toothed plate (502), the bottom of the toothed plate (502) passing through the connecting plate four (56) being fixedly connected to a lifting plate (58), and the connecting plate The front and rear parts of the surfaces opposite to the fourth (56) and the lifting plate (58) are fixedly connected with springs three (57); the left part of the lower inner wall of the box body (1) is rotatably connected with a filter plate (53); the front and rear parts of the top of the filter plate (53) are fixedly connected with two springs two (55); the tops of the two springs two (55) are fixedly connected with connecting plate three (54); the left side of the connecting plate three (54) is fixedly connected to the right side of the box body (1); and the bottom of the box body (1) is fixedly connected with a discharge hopper (51).

7. A feeding mechanism for an agricultural seeding machine according to claim 6, characterized in that: Two side plates (52) are fixedly connected to the left and right parts of the bottom of the inner wall of the box body (1); the two side plates (52) are both in the shape of inclined plates, and the distance between the two side plates (52) is consistent with the length of the discharge hopper (51).

8. The feeding mechanism for an agricultural seeding machine according to claim 6, characterized in that: A limiting groove (503) is provided at the lower right side of the box body (1); the length of the limiting groove (503) is consistent with the width of the filter plate (53); and the height of the limiting groove (503) is greater than the thickness of the filter plate (53).

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