Seed screening equipment for agricultural production

Abstract

The utility model provides seed screening equipment for agricultural production, which comprises a discharging structure, the discharging structure comprises a driving motor, the driving motor is arranged at the top of a shell, the output end of the driving motor is provided with a spring telescopic rod, one end of the spring telescopic rod is provided with a sliding pipe, the sliding pipe is connected with a screening structure in a sliding manner, and the screening structure is provided with a discharging opening. And a bottom plate is arranged at the bottom of the sliding pipe. By means of the discharging structure capable of ascending and descending, when a feeding groove in the outer wall of the discharging structure is aligned with the screening structure, seeds stored in the screening structure can enter a sliding pipe through the feeding groove, meanwhile, the mesh number of a filter screen on the top is small, large-size seeds can be intercepted, and the screening effect is good. And the seeds are discharged through the interior of the flow guide pipe, the number of meshes of the filter screen at the bottom is large, the seeds of the standard size can be intercepted, the seeds are discharged through the space between the outer wall of the flow guide pipe and the inner wall of the sliding rod, and screening of the seeds of different sizes is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural production technology, more particularly to a seed screening equipment for agricultural production. BACKGROUND

[0002] Agricultural production refers to the production activities of planting crops. It includes the production of crops such as grain, cotton, oil, hemp, silk, tea, sugar, vegetables, tobacco, fruit, medicine, and miscellaneous (referring to other economic crops, green manure crops, forage crops, and other crops).

[0003] Among them, before agricultural planting, the seeds of crops need to be screened by a screening device to screen out seeds that are poorly developed and fragmented.

[0004] Seeds that are poorly developed and fragmented are smaller in size than normal seeds. During the screening process, the poorly developed and fragmented seeds are discharged, but the qualified seeds are accumulated inside the screening device, causing the seeds to block the filter screen inside the screening device and affecting the screening efficiency of the crop seeds. SUMMARY

[0005] OBJECTIVE

[0006] To solve the technical problems mentioned in the background art, the utility model provides a seed screening equipment for agricultural production.

[0007] TECHNICAL SOLUTION

[0008] To achieve the above-mentioned purpose, the utility model provides a technical scheme of a seed screening equipment for agricultural production, which comprises a shell, a screening structure is arranged at the top and bottom of the inside of the shell, and a discharge structure is slidably connected inside the screening structure.

[0009] The discharge structure comprises a drive motor, the drive motor is arranged at the top of the shell, a spring telescopic rod is arranged at the output end of the drive motor, one end of the spring telescopic rod is provided with a sliding tube, the sliding tube is slidably connected with the screening structure, a bottom plate is arranged at the bottom of the sliding tube, a feeding slot is formed at the top and bottom of the outer wall of the sliding tube, a flow guide pipe is arranged at the inner side of the feeding slot at the top of the sliding tube, and a stirring shaft is arranged on the outer wall of the sliding tube.

[0010] Preferably, a discharging bin is arranged on one side of the shell, a connecting pipe is arranged on the outer wall of one side of the shell, one end of the connecting pipe is connected with the discharging bin, a shunt pipe is arranged at the other end of the connecting pipe, the shunt pipe is connected with the top of the shell, and a spiral feeding shaft is rotatably connected inside the connecting pipe.

[0011] Preferably, the top of the shell inner wall is provided with a guide ring, the top of the guide ring is inclined, the inside of the guide ring is provided with a discharge port, and the bottom of the shell inner wall is provided with an electric push rod on both sides.

[0012] Preferably, the shell further comprises a screening structure, which comprises a rotating ring rotatably connected to the top and bottom of the shell inner wall, the bottom of the rotating ring at the top of the shell is provided with a bevel gear ring, the top of the rotating ring at the bottom of the shell is provided with a bevel gear ring, and the bottom of the rotating ring inner wall is provided with a filter screen.

[0013] Preferably, the outer wall of the shell is provided with a servo motor, the output end of the servo motor is provided with a driving gear, and the driving gear is engaged with the bevel gear ring.

[0014] Preferably, the shell inner wall is rotatably connected with a rotating cam inside, the number of the rotating cam is two, a transmission belt device is arranged between the two rotating cams, and the outer wall of the rotating cam is attached to the bottom of the filter screen.

[0015] Beneficial effects

[0016] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0017] The utility model discloses a discharge structure can lift, when the feed groove of discharge structure outer wall is aligned with screening structure, make the seed that screening structure inside storage can pass through the feed groove and enter the inside of sliding tube, and the mesh number of the filter screen at the top is smaller, can intercept the seed of larger volume, and the seed passes the inside discharge of guide pipe, and the mesh number of the filter screen at the bottom is larger and can intercept the seed of standard volume, and the seed is discharged between the outer wall of guide pipe and the inner wall of sliding rod, realize the screening of seed of different volume. DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective view of the utility model;

[0019] Figure 2 It is the sectional view of the utility model;

[0020] Figure 3 It is the sectional view of the utility model;

[0021] Figure 4 It is the discharge structure perspective drawing of the utility model.

[0022] REFERENCE NUMERALS

[0023] 1, shell; 2, discharge bin; 3, connecting pipe; 4, shunt pipe; 5, spiral feeding shaft; 6, guide ring; 7, discharge port; 8, screening structure; 801, rotating ring; 802, bevel gear ring; 803, filter screen; 804, connecting groove; 9, servo motor; 10, driving gear; 11, electric push rod; 12, discharge structure; 1201, drive motor; 1202, spring telescopic rod; 1203, sliding pipe; 1204, bottom plate; 1205, stirring shaft; 1206, feed slot; 1207, flow guide pipe; 13, rotary cam; 14, transmission belt device. DETAILED DESCRIPTION

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "both ends", "sides" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Reference will now be made to the drawings wherein like numerals refer to like parts throughout the several views. The drawings are not necessarily to scale, the emphasis instead being placed upon the illustrative nature thereof; the dimensions of the drawings are merely intended to facilitate description. Elements in the figures are illustrated for simplicity and clarity and have not necessarily been drawn to scale. Like reference numerals can be used to denote like elements throughout the description.

[0028] Referring to Figures 1-4 , the seed screening device for agricultural production shown comprises a shell 1, a screening structure 8 is arranged at the top and bottom inside the shell 1, and a discharging structure 12 is slidably connected inside the screening structure 8.

[0029] The discharging structure 12 comprises a driving motor 1201 arranged at the top of the shell 1, a spring telescopic rod 1202 is arranged at the output end of the driving motor 1201, one end of the spring telescopic rod 1202 is provided with a sliding tube 1203, the sliding tube 1203 is slidably connected with the screening structure 8, a bottom plate 1204 is arranged at the bottom of the sliding tube 1203, a feeding groove 1206 is formed at the top and bottom of the outer wall of the sliding tube 1203, a flow guide pipe 1207 is arranged at the inner side of the feeding groove 1206 at the top of the sliding tube 1203, and a stirring shaft 1205 is arranged on the outer wall of the sliding tube 1203. When the seed screening is completed and the seeds stored at the top of the two filter screens 803 need to be discharged, the electric push rod 11 is started, the electric push rod 11 drives the sliding tube 1203 to move upward, the sliding tube 1203 extrudes the spring telescopic rod 1202, and the sliding tube 1203 is rotatably connected with the bottom plate 1204, so that the feeding groove 1206 is aligned with the filter screen 803. The filter screen 803 is arranged in an inclined manner, so that the seeds inside the top filter screen 803 are discharged through the feeding groove 1206 at the top of the sliding tube 1203, the seeds are discharged through the flow guide pipe 1207, and the seeds inside the bottom filter screen 803 are discharged through the feeding groove 1206 in the middle of the sliding tube 1203.

[0030] Further, in the above technical scheme, one side of the shell 1 is provided with a discharge bin 2, the outer wall of one side of the shell 1 is provided with a connecting pipe 3, one end of the connecting pipe 3 is connected with the discharge bin 2, the other end of the connecting pipe 3 is provided with a shunt pipe 4, the shunt pipe 4 is connected with the top of the shell 1, the inside of the connecting pipe 3 is rotatably connected with a spiral feeding shaft 5, the top of the inner wall of the shell 1 is provided with a guide ring 6, the top of the guide ring 6 is provided in an inclined manner, the inside of the guide ring 6 is provided with a discharge port 7, the bottom of the inner wall of the shell 1 is provided with an electric push rod 11 on both sides, when it is necessary to screen the seeds for agricultural production, the seeds are put into the inside of the discharge bin 2, then the motor is started, the motor drives the spiral feeding shaft 5 to rotate, the spiral feeding shaft 5 drives the seeds in the inside of the discharge bin 2 to enter the inside of the shunt pipe 4 and enter the top of the guide ring 6 through the spiral feeding shaft 5, the seeds slide along the guide ring 6 provided in an inclined manner, and the seeds enter the inside of the shell 1 through the discharge port 7, so that the seeds enter the inside of the shell 1 uniformly.

[0031] Further, in the above technical scheme, the screening structure 8 further includes a rotating ring 801 rotatably connected to the top and bottom of the inner wall of the shell 1, a bevel gear ring 802 is arranged at the bottom of the rotating ring 801 at the top of the shell 1, a bevel gear ring 802 is arranged at the top of the rotating ring 801 at the bottom of the shell 1, a filter screen 803 is arranged at the bottom of the inner wall of the rotating ring 801, a connecting groove 804 is arranged in the middle of the filter screen 803, a servo motor 9 is arranged on the outer wall of the shell 1, a driving gear 10 is arranged at the output end of the servo motor 9, the driving gear 10 is engaged with the bevel gear ring 802, the seeds entering the inside of the screening structure 8 are screened, the servo motor 9 is started, the servo motor 9 drives the driving gear 10 to rotate, the driving gear 10 drives the rotating ring 801 at the top and bottom of the inner wall of the shell 1 to rotate through the bevel gear ring 802, then the rotating ring 801 drives the filter screen 803 in the inside to rotate, the filter screen 803 is agitated by the stirring shaft 1205, so that the seeds can pass through the filter screen 803, the mesh number of the filter screen 803 at the top is smaller, the mesh number of the filter screen 803 at the bottom is larger, and seeds of different volumes can be screened, and unqualified seeds are directly discharged through the filter screen 803 at the bottom.

[0032] Further, in the above technical scheme, the inside of the inner wall of the shell 1 is rotationally connected with a rotating cam 13, the number of the rotating cam 13 is set to two, a transmission belt device 14 is arranged between the two rotating cams 13, the outer wall of the rotating cam 13 is attached to the bottom of the filter screen 803, the motor is started, the motor drives the transmission belt device 14 to rotate, the transmission belt device 14 drives the rotating cam 13 to rotate, the rotating cam 13 pushes the top filter screen 803 to vibrate, and the seeds are screened.

[0033] The above-mentioned embodiments only express certain implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, a number of modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A seed screening apparatus for agricultural production, characterized by, Comprising The shell (1) is internally provided with a top and a bottom of a screening structure (8), and the inside of the screening structure (8) is slidably connected with a discharging structure (12); The discharging structure (12) comprises a driving motor (1201), which is arranged on the top of the shell (1), and the output end of the driving motor (1201) is provided with a spring telescopic rod (1202), one end of the spring telescopic rod (1202) is provided with a sliding tube (1203), the sliding tube (1203) is slidably connected with the screening structure (8), the bottom of the sliding tube (1203) is provided with a bottom plate (1204), the top and bottom of the outer wall of the sliding tube (1203) are provided with feeding grooves (1206), the inner side of the feeding groove (1206) on the top of the sliding tube (1203) is provided with a flow guide pipe (1207), and the outer wall of the sliding tube (1203) is provided with a stirring shaft (1205).

2. The seed screening apparatus for agricultural production according to claim 1, characterized in that: One side of the shell (1) is provided with a discharging bin (2), the outer wall of one side of the shell (1) is provided with a connecting pipe (3), one end of the connecting pipe (3) is connected with the discharging bin (2), the other end of the connecting pipe (3) is provided with a shunt pipe (4), the shunt pipe (4) is connected with the top of the shell (1), and the inside of the connecting pipe (3) is rotatably connected with a spiral feeding shaft (5).

3. A seed screening apparatus for agricultural production as claimed in claim 2, wherein: The top of the inner wall of the shell (1) is provided with a guide ring (6), the top of the guide ring (6) is inclined, the inside of the guide ring (6) is provided with a discharging port (7), and the bottom of the inner wall of the shell (1) is provided with an electric push rod (11) on both sides.

4. The seed screening apparatus for agricultural production of claim 1, wherein: It also includes a screening structure (8), which comprises a rotating ring (801), the rotating ring (801) is rotatably connected to the top and bottom of the inner wall of the shell (1), the bottom of the rotating ring (801) on the top of the shell (1) is provided with a bevel gear ring (802), the top of the rotating ring (801) on the bottom of the shell (1) is provided with a bevel gear ring (802), the bottom of the inner wall of the rotating ring (801) is provided with a filter screen (803), and the middle of the filter screen (803) is provided with a connecting groove (804).

5. The seed screening apparatus for agricultural production of claim 1, wherein: The outer wall of the shell (1) is provided with a servo motor (9), the output end of the servo motor (9) is provided with a driving gear (10), and the driving gear (10) is engaged with the bevel gear ring (802).

6. The seed screening apparatus for agricultural production of claim 1, wherein: The inside of the inner wall of the shell (1) is rotatably connected with a rotating cam (13), the number of the rotating cam (13) is two, a transmission belt device (14) is arranged between the two rotating cams (13), and the outer wall of the rotating cam (13) is attached to the bottom of the filter screen (803).

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