Corn seed screening machine for corn planting

Abstract

The utility model relates to the technical field of screening equipment, and discloses a corn seed screening machine for corn planting, which comprises a frame and a transmission mechanism, an air screening mechanism is arranged at the upper end of the frame, the air screening mechanism comprises a winnowing frame fixedly connected with the middle of the upper surface of the frame, and a rotating shaft is arranged in the winnowing frame. A plurality of winnowing blades are fixedly connected to a shaft body of the rotating shaft, and an exhaust frame is fixedly connected to the front end of the outer wall of the winnowing frame. According to the corn winnowing device, the rotating shaft rotates at a high speed through the transmission mechanism, then the rotating shaft drives the multiple winnowing blades to rotate at a high speed, air is fed through the dustproof net, and then airflow is guided out through the exhaust frame and blown to corn seeds falling out of the storage frame. Therefore, leaves or light impurities mingled on the corn seeds are blown away, and the problem that pesticide mixing of the corn seeds is affected in the later period is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to screening equipment technical field especially relates to a corn seed screening machine for corn planting. BACKGROUND

[0002] The quality of corn seed directly influences the yield and quality of corn, and in the corn planting process, the seed screening operation plays a vital role, with the development of agricultural technology, the traditional manual screening mode has gradually been unable to meet the demand of large-scale corn planting, therefore, a corn seed screening machine for corn planting is provided.

[0003] Some planting personnel will keep corn seed grains after corn matures and dries, and the kept corn seed grains often contain leaves and other light impurities, and if the leaves or light impurities are larger than the aperture of the screen, the screening will be difficult, and the leaves and light impurities will absorb a large amount of pesticide when the corn seed grains are mixed with pesticide in the later period, thereby causing waste of pesticide, and most of the existing screening machines have more power mechanisms, so that the maintenance cost is increased to some extent when the screening machine is maintained in the later period.

[0004] Therefore, in order to solve the problems in the prior art, a corn seed screening machine for corn planting is provided. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a corn seed screening machine for corn planting, which is provided with a transmission mechanism, a first transmission belt, a second transmission belt and a third belt, and the power of the driving motor is transmitted to the screening mechanism, the air screening mechanism and the driving shaft, so that the power elements of the screening machine can be effectively reduced, thereby indirectly reducing the power cost of the equipment in the later period, and the whole equipment can run through one driving motor, which also effectively reduces the maintenance cost of the power components in the later period.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A corn seed screening machine for corn planting, comprising a frame and a transmission mechanism, the upper end of the frame is provided with an air screening mechanism, the air screening mechanism comprises a winnowing frame fixedly connected with the middle part of the upper surface of the frame, a rotating shaft is arranged in the winnowing frame, a plurality of winnowing blades are fixedly connected with the shaft body of the rotating shaft, and an air exhaust frame is fixedly connected with the front end of the outer wall of the winnowing frame.

[0008] The transmission mechanism comprises a driving motor at the lower end inside the frame, the output end of the driving motor is fixedly connected with a first double-groove belt pulley, one end of the rotating shaft is fixedly connected with a first transmission disc, the side of the first double-groove belt pulley and the disc of the first transmission disc are both sleeved with a third transmission belt, the front end of the first double-groove belt pulley is respectively provided with a second transmission disc, a second transmission belt, a second double-groove belt pulley and a first transmission belt, and the inside of the frame is provided with a screening mechanism.

[0009] Through the above technical scheme, the impurities in the corn seeds can be effectively filtered out through the wind screening mechanism, and all structures of the equipment can be directly driven to operate through the transmission mechanism.

[0010] Further, the screening mechanism comprises two disc shafts rotationally connected with the frame, one end of the disc shaft on one side is fixedly connected with the second double-groove belt pulley, the first transmission belt is sleeved on the other side of the disc of the first double-groove belt pulley and the side of the second double-groove belt pulley, the side of the disc shaft close to the inner wall of the middle part of the frame is rotationally connected with a vibrating shaft, the shaft body of the vibrating shaft is fixedly connected with a transmission plate, the rear end of the inner wall of the frame on both sides is rotationally connected with a screening frame, and the upper surface of the transmission plate is hingedly connected with the front end of the lower surface of the screening frame.

[0011] Through the above technical scheme, the screening mechanism is driven to vibrate and screen through the transmission mechanism, so that the power consumption of the equipment can be effectively reduced, and the cost of maintenance of the electrical appliances in the later period can be further reduced.

[0012] Further, the edge of the lower surface of the screening frame is fixedly connected with a slag collecting frame, the inner wall of the screening frame is fixedly connected with a steel wire screen, and the rear end of the outer wall of the screening frame is throughly connected with a discharge hopper.

[0013] Through the above technical scheme, the impurities filtered out by the steel wire screen can be effectively collected through the slag collecting frame, and the filtered corn seeds can be effectively discharged obliquely through the discharge hopper, thereby avoiding the problem of secondary mixing with the directly discharged impurities.

[0014] Further, the front end of the upper surface of the frame is fixedly connected with a plurality of support frames, the inner wall of the support frame is fixedly connected with a storage frame, the inside of the storage frame is provided with a driving shaft, the both ends of the shaft body of the driving shaft are fixedly connected with auger blades, one end of the driving shaft penetrates through the storage frame and is fixedly connected with a second transmission disc, and the second transmission belt is sleeved on the other side of the disc of the second double-groove belt pulley and the disc body of the second transmission disc.

[0015] Through the technical scheme, the auger blade can be directly driven to rotate by the transmission mechanism, so that the problem of corn seed blocking the discharge port of the storage frame is prevented.

[0016] Further, the upper end of the outer wall of the front end of the frame is fixedly connected with a guide frame.

[0017] Through the technical scheme, the airflow blown by the winnowing frame can be effectively guided by the guide frame, and the problem of impurities being blown around by the airflow is avoided.

[0018] Further, the lower surface of the frame is fixedly connected with a base at four corners.

[0019] Through the technical scheme, the base can effectively provide support for the device.

[0020] Further, the lower end of the inner wall of one side of the frame is fixedly connected with a supporting plate, and the driving motor is fixed to the upper surface of the supporting plate.

[0021] Through the technical scheme, the supporting plate can more conveniently install and fix the driving motor.

[0022] Further, the rear end of the inner wall of the winnowing frame is provided with a dustproof net.

[0023] Through the technical scheme, the dustproof net can effectively filter out impurities when the gas enters the inside of the winnowing frame.

[0024] The utility model has the following beneficial effects:

[0025] 1. The corn seed screening machine for corn planting disclosed by the utility model has the wind screening mechanism, the transmission mechanism drives the rotating shaft to rotate at high speed, then drives the plurality of winnowing blades to rotate at high speed, then air is taken in through the dustproof net, then the airflow is guided out through the air discharge frame and blown on the corn seeds dropped from the storage frame, so that the leaves or light impurities mixed with the corn seeds are blown away, thereby avoiding the problem of affecting the corn seed mixing medicine in the later period.

[0026] 2. The corn seed screening machine for corn planting disclosed by the utility model has the transmission mechanism, the power of the driving motor is transmitted to the screening mechanism, the wind screening mechanism and the driving shaft through the first transmission belt, the second transmission belt and the third belt, so that the power elements of the screening machine can be effectively reduced, thereby indirectly reducing the power cost of the device in the later period, and the whole device is operated through one driving motor, so that the maintenance cost of the power components in the later period is effectively reduced. DRAWINGS

[0027] Figure 1The utility model provides a kind of corn seed screening machine for corn planting of axonometric drawing;

[0028] Figure 2 The utility model provides a kind of corn seed screening machine for corn planting of structural diagram;

[0029] Figure 3 The utility model provides a kind of corn seed screening machine for corn planting of structural diagram of middle frame;

[0030] Figure 4 The utility model provides a kind of corn seed screening machine for corn planting of shaft section view of wind screening mechanism in it;

[0031] Figure 5 The utility model provides a kind of corn seed screening machine for corn planting of structural diagram of transmission mechanism in it;

[0032] Figure 6 The utility model provides a kind of corn seed screening machine for corn planting of bottom view of storage frame in it.

[0033] Legend:

[0034] 1, frame;2, base;

[0035] 3, screening mechanism;301, residue collection frame;302, disc shaft;303, vibration shaft;304, discharge hopper;305, steel wire screen;306, screening frame;307, transmission plate;

[0036] 4, transmission mechanism;401, drive motor;402, first double-groove pulley;403, first transmission disc;404, second transmission disc;405, first transmission belt;406, second double-groove pulley;407, second transmission belt;408, third transmission belt;

[0037] 5, wind screening mechanism;501, winnowing frame;502, winnowing blade;503, rotating shaft;504, air discharge frame;505, guide frame;

[0038] 6, dust screen;7, storage frame;8, support frame;9, supporting plate;10, drive shaft;11, auger blade. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be described clearly and completely below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0040] The utility model provides an embodiment provided by the utility model:

[0041] Refer to Figure 1 , Figure 4 and Figure 5 :

[0042] A corn seed screening machine for corn planting, including frame 1 and transmission mechanism 4, the upper end of frame 1 is provided with wind screening mechanism 5, wind screening mechanism 5 includes the fixed connection of the middle part of frame 1 upper surface wind selection frame 501, the inside of wind selection frame 501 is provided with rotating shaft 503, the shaft body of rotating shaft 503 is fixedly connected with a plurality of wind selection blades 502, the front end of wind selection frame 501 outer wall is fixedly connected with exhaust frame 504;

[0043] Transmission mechanism 4 includes the drive motor 401 in the inside lower end of frame 1, the output of drive motor 401 is fixedly connected with first double-groove belt pulley 402, one end of rotating shaft 503 is fixedly connected with first transmission disc 403, the disc type of one side of first double-groove belt pulley 402 and first transmission disc 403 is all covered with third transmission belt 408, the front end of first double-groove belt pulley 402 is provided with second transmission disc 404, second transmission belt 407, second double-groove belt pulley 406 and first transmission belt 405 respectively, the inside of frame 1 is provided with screening mechanism 3;

[0044] The impurities in the corn seed can be effectively filtered out by the wind screening mechanism 5, and the transmission mechanism 4 can directly drive all the structures of the equipment to operate.

[0045] Refer to Figure 2 and Figure 3 :

[0046] The screening mechanism 3 comprises two disc shafts 302 rotationally connected with the frame 1, one end of the disc shaft 302 on one side is fixedly connected with the second double-groove pulley 406, the first transmission belt 405 is sleeved on the other side of the first double-groove pulley 402 and one side of the second double-groove pulley 406, the disc shaft 302 is rotationally connected with a vibrating shaft 303 close to the inner wall of one side of the middle part of the frame 1, the shaft body of the vibrating shaft 303 is fixedly connected with a transmission plate 307, the rear end of the inner wall of the frame 1 is rotationally connected with a screening frame 306, the upper surface of the transmission plate 307 is hingedly connected with the front end of the lower surface of the screening frame 306, the screening mechanism 3 is driven to vibrate and screen through the transmission mechanism 4, so that the power consumption of the equipment can be effectively reduced, the energy consumption of the equipment can be further reduced, and the cost of maintenance of the power consumer in the later period can be effectively reduced, the edge of the lower surface of the screening frame 306 is fixedly connected with a slag collecting frame 301, the inner wall of the screening frame 306 is fixedly connected with a steel wire screen 305, and the rear end of the outer wall of the screening frame 306 is throughly connected with a discharge hopper 304, the impurities filtered by the steel wire screen 305 can be effectively collected through the slag collecting frame 301, and the filtered corn kernels can be effectively discharged through the discharge hopper 304, so that the problem of secondary mixing with the directly discharged impurities is avoided.

[0047] Referring to Figure 1 and Figure 6 :

[0048] The front end of the upper surface of the frame 1 is fixedly connected with a plurality of support frames 8, the inner wall of the support frame 8 is fixedly connected with a storage frame 7, the inside of the storage frame 7 is provided with a driving shaft 10, the both ends of the shaft body of the driving shaft 10 are fixedly connected with auger blades 11, one end of the driving shaft 10 penetrates through the storage frame 7 and is fixedly connected with a second transmission disc 404, the second transmission belt 407 is sleeved on the other side of the second double-groove pulley 406 and the disc body of the second transmission disc 404, the auger blades 11 can be directly driven to rotate through the transmission mechanism 4, so that the problem of corn kernel blockage of the discharge port of the storage frame 7 is prevented.

[0049] Referring to Figure 2 :

[0050] The upper end of the front end of the outer wall of the frame 1 is fixedly connected with a guide frame 505, the airflow blown by the winnowing frame 501 can be effectively guided through the guide frame 505, and the problem that the airflow drives impurities to drift everywhere is avoided, the lower surface of the frame 1 is fixedly connected with a base 2 at four corners, the base 2 can effectively provide support for the equipment, the lower end of the inner wall of one side of the frame 1 is fixedly connected with a supporting plate 9, and the driving motor 401 is fixed to the upper surface of the supporting plate 9, so that the driving motor 401 can be more conveniently installed and fixed through the supporting plate 9.

[0051] Referring toFigure 1 and Figure 4 :

[0052] The rear end of the inner wall of the winnowing frame 501 is provided with a dustproof net 6, which can effectively filter out impurities when gas enters the inside of the winnowing frame 501.

[0053] Working principle: in use, the driving motor 401 is started to drive the first double-groove pulley 402 to rotate, then the first double-groove pulley 402 drives the first transmission belt 405 and the third transmission belt 408 to rotate, so that the first transmission belt 405 drives the second double-groove pulley 406 to rotate, then the disc ratio drives the disc shaft 302 to rotate at high speed, then the disc shaft 302 drives the eccentric vibration shaft 303 to rotate, then the vibration shaft 303 drives the transmission plate 307 to vibrate, then the transmission plate 307 drives the slag collecting frame 301 and the screening frame 306 to vibrate, at the same time, the third transmission belt 408 drives the first transmission disc 403 to rotate, then the disc ratio drives the rotating shaft 503 to rotate synchronously, then the rotating shaft 503 drives a plurality of winnowing blades 502 to rotate, at the same time, the second double-groove pulley 406 drives the second transmission disc 404 to rotate, then the second transmission disc 404 drives the driving shaft 10 to rotate, then the disc ratio drives the two auger blades 11 to rotate slowly, then the workers pour the corn seeds to be screened into the inside of the storage frame 7, then the two auger blades 11 make the corn seeds leak out from the lower end of the storage frame 7, then the airflow generated when the winnowing blades 502 rotate flows out from the inside of the exhaust frame 504, the impurities in the falling corn seeds are blown away, then the corn seeds drop onto the steel wire screen 305 on the screening frame 306, then the steel wire screen 305 filters out the remaining impurities in the corn seeds, then the corn seeds are inclinedly discharged from the discharge hopper 304 along with the vibration, then the impurities drop into the inside of the slag collecting frame 301 and are linearly discharged along with the vibration.

[0054] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A corn seed screening machine for corn planting comprising a frame (1) and a transmission mechanism (4), characterized in that: The upper end of the frame (1) is provided with a wind screen mechanism (5), the wind screen mechanism (5) comprises a winnowing frame (501) fixedly connected with the middle part of the upper surface of the frame (1), the inside of the winnowing frame (501) is provided with a rotating shaft (503), the shaft body of the rotating shaft (503) is fixedly connected with a plurality of winnowing blades (502), the front end of the outer wall of the winnowing frame (501) is fixedly connected with an exhaust frame (504). The transmission mechanism (4) comprises a driving motor (401) at the lower end inside the frame (1), the output end of the driving motor (401) is fixedly connected with a first double-groove belt pulley (402), one end of the rotating shaft (503) is fixedly connected with a first transmission disc (403), the disc type of one side of the first double-groove belt pulley (402) and the first transmission disc (403) is sleeved with a third transmission belt (408), the front end of the first double-groove belt pulley (402) is respectively provided with a second transmission disc (404), a second transmission belt (407), a second double-groove belt pulley (406) and a first transmission belt (405), the inside of the frame (1) is provided with a screening mechanism (3).

2. The corn seed screening machine for corn planting according to claim 1, characterized in that: The screening mechanism (3) comprises two disc shafts (302) rotationally connected with the frame (1), one end of the disc shaft (302) on one side is fixedly connected with the second double-groove belt pulley (406), the first transmission belt (405) is sleeved on the other side of the disc type of the first double-groove belt pulley (402) and one side of the second double-groove belt pulley (406), the inner wall of the side close to the middle part of the frame (1) of the disc shaft (302) is rotationally connected with a vibrating shaft (303), the shaft body of the vibrating shaft (303) is fixedly connected with a transmission plate (307), the rear end of the inner wall of the two sides of the frame (1) is rotationally connected with a screening frame (306), the upper surface of the transmission plate (307) is hingedly connected with the front end of the lower surface of the screening frame (306).

3. A corn seed grader for grading corn seeds for planting according to claim 2, characterized in that: The edge of the lower surface of the screening frame (306) is fixedly connected with a slag collecting frame (301), the inner wall of the screening frame (306) is fixedly connected with a steel wire screen (305), the rear end of the outer wall of the screening frame (306) is throughly connected with a discharge hopper (304).

4. The corn seed grader for corn planting as claimed in claim 1, wherein: The front end of the upper surface of the frame (1) is fixedly connected with a plurality of support frames (8), the inner wall of the support frame (8) is fixedly connected with a storage frame (7), the inside of the storage frame (7) is provided with a driving shaft (10), the both ends of the shaft body of the driving shaft (10) are fixedly connected with auger blades (11), one end of the driving shaft (10) penetrates through the storage frame (7) and is fixedly connected with the second transmission disc (404), the second transmission belt (407) is sleeved on the other side of the disc type of the second double-groove belt pulley (406) and the disc body of the second transmission disc (404).

5. The corn seed screening machine for corn planting according to claim 1, characterized in that: The upper end of the outer wall of the front end of the frame (1) is fixedly connected with a guide frame (505).

6. The corn seed grader for corn planting as claimed in claim 1, wherein: The lower surface of the frame (1) is fixedly connected with a base (2) at the four corners.

7. The corn seed grader for corn planting as claimed in claim 1, wherein: The lower end of the inner wall of one side of the frame (1) is fixedly connected with a supporting plate (9), the driving motor (401) is fixed on the upper surface of the supporting plate (9). The lower end of the inner wall of one side of the frame (1) is fixedly connected with a supporting plate (9), the driving motor (401) is fixed on the upper surface of the supporting plate (9).

8. The corn seed grader for corn planting as claimed in claim 1, wherein: The rear end of the inner wall of the winnowing frame (501) is provided with a dustproof screen (6).

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