Early season rice seed screening device

Abstract

The invention relates to the field of early rice seeds, in particular to an early rice seed screening device which comprises a bearing frame, the center of the top of the bearing frame is rotationally connected with a screening frame through a first rotating shaft, semicircular rack plates are fixedly arranged at the two ends of the bottom of the screening frame, and second rotating shafts are symmetrically arranged at the two ends of the bottom of the bearing frame; connecting gears are arranged at the two ends of the second rotating shaft, the connecting gears are connected with the semicircular rack plates in a meshed mode, and a rotating driving assembly used for driving the second rotating shaft to rotate is installed on the bearing frame. A plurality of screening grooves are formed in the screening frame at equal intervals, and elastic connecting assemblies elastically connected with the screening grooves are arranged at the four corners of the outer wall of the screening frame. According to the early rice seed screening device, the early rice seeds can be effectively and conveniently subjected to reciprocating swing vibration screening treatment, and therefore the early rice seeds can be conveniently and rapidly screened.

Description

Technical Field

[0001] The present invention relates to the field of early rice seeds, and specifically to a screening device for early rice seeds. Background Art

[0002] Early rice refers to rice with an earlier transplanting period, a shorter growth period, and an earlier maturity. It is generally used to distinguish medium rice and late rice. When the temperature of the growth environment of early rice is stable at 12 to 14 degrees Celsius, it is the lowest temperature for rice germination and growth. As the latitude and altitude increase, the temperature decreases, and the sowing period should be postponed.

[0003] During the process of cultivating early rice seedlings, a screening device is required to screen early rice seeds. However, during the use of the current screening device, the screening device cannot perform reciprocating swing screening, thus affecting the screening of early rice seeds. Summary of the Invention

[0004] The purpose of the present invention is to provide a screening device for early rice seeds to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A screening device for early rice seeds includes a bearing frame. The center of the top of the bearing frame is rotationally connected to a screening frame through a first rotating shaft. At both ends of the bottom of the screening frame, semi-circular rack plates are fixedly arranged. At both ends of the bottom of the bearing frame, second rotating shafts are symmetrically arranged. Connecting gears are arranged at both ends of the second rotating shafts, and the connecting gears are meshed with the semi-circular rack plates. A rotation driving component for driving the second rotating shaft to rotate is installed on the bearing frame; a plurality of screening grooves are equidistantly arranged inside the screening frame, and elastic connecting components elastically connected to the screening grooves are arranged at the four corners of the outer wall of the screening frame; a screening plate is arranged at the bottom of the screening groove, and vibrators are arranged at the four corners of the bottom of the screening plate.

[0007] Preferably, rolling components for facilitating the adjustment of the moving direction of the device are arranged at the four corners of the bottom of the bearing frame.

[0008] Preferably, the rolling component includes a support leg fixedly connected to the bottom of the bearing frame. A roller is arranged at the bottom of the support leg, and a brake is arranged at the outer end of the roller.

[0009] Preferably, the rotation driving component includes a driving motor fixedly connected to the bearing frame. A driving gear is installed on the motor shaft of the driving motor. A driven gear is meshed with the driving gear, and the driven gear is connected to the second rotating shaft.

[0010] Preferably, the elastic connection assembly includes connection openings formed at the four corners of the screening frame located outside the screening tank. Fixed blocks are provided on the screening frame at the outer ends of the bottoms of the connection openings. Guide rods are provided on the tops of the fixed blocks. A connection frame is slidably provided on the guide rods. The connection frame passes through the connection openings and is fixedly connected to the outer wall of the screening tank. Connection springs are installed on the guide rods at the bottoms of the connection frames.

[0011] Preferably, a storage tank is provided at the bottom of the screening frame.

[0012] Preferably, a discharge port is formed at the center of the bottom of the storage tank, and a discharge assembly is provided at the bottom of the discharge port.

[0013] Preferably, the discharge assembly includes a discharge pipe that is conductively connected to the bottom of the discharge port, and a control valve is installed on the discharge pipe.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: By connecting several screening tanks through an elastic connection assembly on the screening frame, the present invention can realize multi-layer screening treatment of early rice seeds, thus facilitating the screening treatment of early rice seeds;

[0015] Through the setting of the screening plate and the vibrator, the present invention can realize vibration screening treatment of the early rice seeds inside the screening tank. In combination with the setting of the elastic connection assembly, it can reduce the vibration of the entire device caused by the screening tank during the vibration screening process, thus facilitating the vibration screening treatment of early rice seeds;

[0016] By driving the screening frame to swing reciprocally through the rotation drive assembly, the present invention can realize the reciprocating swing screening treatment of the early rice seeds inside the screening tank, thus facilitating the swing vibration screening treatment of early rice seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall three-dimensional structure diagram of a screening device for early rice seeds according to the present invention.

[0018] Figure 2 It is a left view of a screening device for early rice seeds according to the present invention.

[0019] Figure 3 It is a structural diagram of the elastic connection assembly in a screening device for early rice seeds according to the present invention.

[0020] Figure 4 It is a structural diagram of the connection between the screening frame and the semi-circular rack plate in a screening device for early rice seeds according to the present invention.

[0021] Figure 5 It is a structural diagram of the discharge assembly in a screening device for early rice seeds according to the present invention.

[0022] Figure 6 This is a schematic structural diagram of a screening device for early rice seeds in the present invention.

[0023] 1. Carrying frame; 2. Support legs; 3. Rollers; 4. Brakes; 5. First rotating shaft; 6. Screening frame; 7. Semi-circular rack plate; 8. Second rotating shaft; 9. Connecting gears; 10. Driving motor; 11. Driving gear; 12. Driven gear; 13. Screening groove; 14. Screening plate; 15. Vibrator; 16. Connecting opening; 17. Fixed block; 18. Guide rod; 19. Connecting frame; 20. Connecting spring; 21. Storage tank; 22. Discharge port; 23. Discharge pipe; 24. Control valve. Detailed implementation manners

[0024] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0025] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0026] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0027] The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] Refer to Figure 1-6, in the embodiments of the present invention, a screening device for early rice seeds includes a bearing frame 1. The center of the top of the bearing frame 1 is rotatably connected to a screening frame 6 through a first rotating shaft 5. At both ends of the bottom of the screening frame 6, semi-circular rack plates 7 are fixedly arranged. At both ends of the bottom of the bearing frame 1, second rotating shafts 8 are symmetrically arranged. At both ends of the second rotating shaft 8, connecting gears 9 are arranged, and the connecting gears 9 are meshed with the semi-circular rack plates 7. A rotating driving component for driving the second rotating shaft 8 to rotate is installed on the bearing frame 1; a number of screening grooves 13 are arranged at equal intervals inside the screening frame 6. Elastic connecting components elastically connected to the screening grooves 13 are arranged at the four corners of the outer wall of the screening frame 6; a screening plate 14 is arranged at the bottom of the screening groove 13, and vibrators 15 are arranged at the four corners of the bottom of the screening plate 14.

[0029] In the present invention, by placing early rice seeds into each screening groove 13 and driving the screening plate 14 to rotate and screen through the vibrator 15, during the screening process of the early rice, the screening frame 6 is driven to swing reciprocally through the rotating driving component, so that the early rice seeds inside the screening groove 13 can be screened by reciprocally swinging, thereby facilitating the swinging and vibrating screening of the early rice seeds.

[0030] Refer to Figure 1 , in an embodiment of the present invention, rolling components for facilitating the adjustment of the moving direction of the device are arranged at the four corners of the bottom of the bearing frame 1. The arrangement of the rolling components can facilitate the adjustment of the moving direction of the bearing frame 1.

[0031] Refer to Figure 1 , in an embodiment of the present invention, the rolling components include support legs 2 fixedly connected to the bottom of the bearing frame 1. At the bottom of the support legs 2, rollers 3 are arranged. At the outer end of the rollers 3, brakes 4 are arranged. The arrangement of the rollers 3 and the brakes 4 can facilitate the adjustment of the moving direction of the device, thereby facilitating the use of the screening device.

[0032] Refer to Figure 2 , in an embodiment of the present invention, the rotating driving component includes a driving motor 10 fixedly connected to the bearing frame 1. On the motor shaft of the driving motor 10, a driving gear 11 is installed. A driven gear 12 is meshed with the driving gear 11, and the driven gear 12 is connected to the second rotating shaft 8. By the operation of the driving motor 10, the driving motor 10 drives the driving gear 11 to rotate, the driving gear 11 drives the meshed driven gear 12 to rotate, and the driven gear 12 can drive the second rotating shaft 8 to rotate.

[0033] Refer to Figure 3, in an embodiment of the present invention, the elastic connection assembly includes connection openings 16 formed at the four corners of the screening frame 6 located outside the screening groove 13. On the screening frame 6 at the outer end of the bottom of the connection opening 16, a fixing block 17 is provided. On the top of the fixing block 17, a guiding rod 18 is provided. A connection frame 19 is slidably arranged on the guiding rod 18. The connection frame 19 passes through the connection opening 16 and is fixedly connected to the outer wall of the screening groove 13. A connection spring 20 is installed on the guiding rod 18 at the bottom of the connection frame 19. During the vibration screening process of the screening groove 13, the screening groove 13 moves on the guiding rod 18 through the connection frame 19. The setting of the connection spring 20 can achieve the elastic connection between the connection frame 19 and the fixing block 17.

[0034] Refer to Figure 4 , in an embodiment of the present invention, a storage groove 21 is provided at the bottom of the screening frame 6. The setting of the storage groove 21 can facilitate the storage treatment of the screened early rice seeds, thereby facilitating the screening and storage treatment of early rice seeds.

[0035] Refer to Figure 4 and Figure 5 , in an embodiment of the present invention, a discharge port 22 is formed at the center of the bottom of the storage groove 21. A discharge assembly is provided at the bottom of the discharge port 22. The setting of the discharge port 22 and the discharge assembly can facilitate the discharge treatment of the early rice seeds, and further facilitate the use of the screening device.

[0036] Refer to Figure 4 and Figure 5 , in an embodiment of the present invention, the discharge assembly includes a discharge pipe 23 that is conductively connected to the bottom of the discharge port 22. A control valve 24 is installed on the discharge pipe 23. By opening the control valve 24, the discharge pipe 23 can facilitate the discharge treatment of the screened early rice seeds, and further facilitate the use of the screening device.

[0037] Working principle: In the present invention, the early rice seeds are placed on the screening groove 13, and the vibration screening treatment of the early rice seeds is realized through the screening plate 14 and the vibrator 15. During the screening process of the early rice seeds, by the operation of the driving motor 10, the driving motor 10 drives the driving gear 11 to rotate, the driving gear 11 drives the driven gear 12 engaged therewith to rotate, the driven gear 12 can drive the second rotating shaft 8 to rotate, the second rotating shaft 8 drives the connecting gear 9 to rotate, the connecting gear 9 drives the semi-circular rack plate 7 engaged therewith to swing reciprocally, the semi-circular rack plate 7 drives the screening frame 6 to swing reciprocally, and the screening frame 6 drives the screening groove 13 to perform reciprocating swing vibration screening treatment, thereby facilitating the screening treatment of the early rice seeds.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, in all respects, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Accordingly, all changes that fall within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. An early rice seed screening device, comprising a supporting frame (1), characterized in that: The top center of the supporting frame (1) is rotatably connected to the screening frame (6) via a first rotating shaft (5); Semicircular rack plates (7) are fixedly arranged at both ends of the bottom of the screening frame (6); second rotating shafts (8) are symmetrically arranged at both ends of the bottom of the supporting frame (1); connecting gears (9) are arranged at both ends of the second rotating shaft (8); the connecting gears (9) are meshingly connected with the semicircular rack plates (7); and a rotation driving component for driving the second rotating shaft (8) to perform rotation processing is installed on the supporting frame (1); A plurality of screening slots (13) are arranged at equal intervals inside the screening frame (6), and elastic connection components elastically connected to the screening slots (13) are arranged at four corners of the outer wall of the screening frame (6); A screening plate (14) is arranged at the bottom of the screening tank (13), and vibrators (15) are arranged at the four corners of the bottom of the screening plate (14).

2. The early rice seed screening device according to claim 1, characterized in that: The four corners of the bottom of the carrying frame (1) are provided with rolling components for facilitating the movement and orientation adjustment of the device.

3. The early rice seed screening device according to claim 2, characterized in that: The rolling assembly comprises a support leg (2) fixedly connected to the bottom of the supporting frame (1), a roller (3) is arranged at the bottom of the support leg (2), and a brake (4) is arranged at the outer end of the roller (3).

4. The early rice seed screening device according to claim 1, characterized in that: The rotation drive assembly comprises a drive motor (10) fixedly connected to the carrier frame (1), a driving gear (11) being mounted on a motor shaft of the drive motor (10), a driven gear (12) being meshingly connected to the driving gear (11), and the driven gear (12) being connected to the second rotating shaft (8).

5. The early rice seed screening device according to claim 1, characterized in that: The elastic connection assembly comprises connection openings (16) formed at four corners of a screening frame (6) located outside the screening slot (13); a fixing block (17) is arranged on the screening frame (6) at the outer end of the bottom of the connection opening (16); a guide rod (18) is arranged on the top of the fixing block (17); a connection frame (19) is slidably arranged on the guide rod (18); the connection frame (19) passes through the connection opening (16) and is fixedly connected to the outer wall of the screening slot (13); and a connection spring (20) is installed on the guide rod (18) located at the bottom of the connection frame (19).

6. The early rice seed screening device according to claim 1, characterized in that: A storage tank (21) is provided at the bottom of the screening frame (6).

7. The early rice seed screening device according to claim 6, characterized in that: A discharge port (22) is provided at the center of the bottom of the storage tank (21), and a discharge assembly is provided at the bottom of the discharge port (22).

8. The early rice seed screening device according to claim 7, characterized in that: The discharge assembly comprises a discharge pipe (23) which is conductively connected to the bottom of the discharge port (22), and a control valve (24) is installed on the discharge pipe (23).

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