Multistage screening device for rice seeds

Abstract

The utility model relates to the technical field of rice seeds, and discloses a rice seed multistage screening device which comprises a supporting bottom plate, a supporting frame is arranged at the top end of the supporting bottom plate, a rice seed hopper is arranged at the top end of the supporting frame, a preliminary screening plate is arranged in the rice seed hopper, and a through groove is formed in the top end of the supporting frame. A screening box is arranged at the top end of the supporting bottom plate. Rice seeds are poured into the rice seed hopper, preliminary screening is carried out on the preliminary screening plate, and unqualified seeds or impurities are blocked on the upper layer. Seeds subjected to preliminary screening fall into a screening box through a through groove in a supporting frame, in the screening box, a motor is started to drive a vibration rod to vibrate, and the vibration rod drives a secondary screening plate to vibrate. Due to the fact that the four secondary screening plates are matched with one another, in the vibration process, the seeds are further screened according to factors such as the size and the quality, and the qualified seeds fall onto a discharging inclined plate through the secondary screening plates and then flow out of a first discharging opening.

Description

TECHNICAL FIELD

[0001] The utility model relates to rice seed technical field especially relates to a rice seed multistage screening device. BACKGROUND

[0002] Rice is one of the most important food crops in the world, and the quality of its seeds directly affects the yield and quality of rice. During the processing of rice seeds, screening is a critical step that can remove impurities, underfilled seeds, and other undesirable components, improving seed purity and vigor.

[0003] Traditional rice seed screening methods rely heavily on manual operation, which is not only inefficient but also difficult to ensure the accuracy and consistency of screening, and cannot ensure that the surface of the screened rice seeds is free of moisture, which can cause the rice seeds to mold or deteriorate during subsequent transportation, thereby reducing the quality of the seeds. SUMMARY

[0004] To at least partially address the above technical problems, the utility model provides a rice seed multistage screening device.

[0005] The utility model adopts the following technical scheme: a rice seed multistage screening device, comprising a support base plate, the support base plate top is provided with support frame, the support frame top is provided with rice seed hopper, the rice seed hopper inside is provided with primary screening board, the support frame top is provided with through slot, the support base plate top is provided with screening box, the screening box front is provided with motor, the screening box inner wall is provided with vibrating rod, the screening box inside is provided with secondary screening board, the screening box inside is provided with discharge inclined plate, the screening box right -hand member is provided with discharge port no.

[0006] As a further improvement of the above scheme, the support base plate top and the support frame bottom are fixedly connected, the rice seed hopper bottom and the support frame bottom are fixedly connected, the primary screening board is fixedly connected to the inner wall of the rice seed hopper, and the support frame top is provided with a through slot.

[0007] The rice seed hopper is used for storing and supplying rice seeds, the preliminary screening plate in the rice seed hopper can preliminarily screen the seeds, remove larger impurities or unqualified seeds, the preliminary screening plate can preliminarily screen the seeds in the rice seed hopper, improve the efficiency and accuracy of subsequent screening, the through groove provides a channel for the screened seeds from the rice seed hopper to the screening box, and ensures that the seeds can smoothly enter the next screening link.

[0008] As a further improvement of the above scheme, the screening box is arranged at the bottom end of the through groove, the bottom end of the screening box is fixedly connected with the top end of the supporting bottom plate, the rear end of the motor is fixedly connected with the front end of the screening box, the vibration rods are provided in plurality, the mutually remote ends of the plurality of vibration rods are fixedly connected with the inner wall of the screening box, and the plurality of vibration rods are in transmission connection with the output end of the rear end of the motor through the screening box.

[0009] Through the above technical scheme, the screening box is one of the core components of the whole device, the vibration rods and the secondary screening plates in the screening box can perform secondary screening on the seeds, further improve the purity of the seeds, and the motor provides power for the vibration rods in the screening box, so that the secondary screening plates vibrate, thereby realizing efficient screening effect, the vibration rods transmit the power of the motor to the secondary screening plates, so that the secondary screening plates vibrate, which is helpful for the separation and screening of the seeds on the screening plates.

[0010] As a further improvement of the above scheme, the secondary screening plates are provided in four, the mutually remote ends of the four secondary screening plates are fixedly connected with the mutually close ends of the plurality of vibration rods, the discharge inclined plate is arranged at the bottom end of the four secondary screening plates, the bottom end of the discharge inclined plate is fixedly connected with the inner bottom end of the screening box, and the discharge port one is arranged at the right end of the screening box.

[0011] Through the above technical scheme, the secondary screening plates

[0012] The secondary screening plates vibrate driven by the vibration rods, perform secondary screening on the seeds, improve the screening accuracy of the seeds, the discharge inclined plate is located at the bottom end of the secondary screening plates and is used for guiding the screened seeds to flow out from the discharge port one, so that the seeds can smoothly enter the next processing link, and the discharge port one is the outlet of the screening box, the seeds screened twice flow out of the screening box through the discharge port one and enter the subsequent transportation and processing link.

[0013] As a further improvement of the above scheme, the discharge baffle one is provided in two, the bottom ends of the two discharge baffles one are fixedly connected with the top end of the supporting bottom plate, the two rotating shafts are provided, the mutually remote ends of the two rotating shafts are in transmission connection with the mutually close ends of the two discharge baffles one, the inner wall of the transportation track is in transmission connection with the surfaces of the two rotating shafts, and the transportation track is arranged at the right end of the discharge port one.

[0014] Through the technical scheme, the discharge baffle one is used for controlling the direction and speed of the seed flowing out of the discharge port one, so that the seed can accurately fall on the transportation track, the rotating shaft is a support and transmission component of the transportation track, and stable transportation of the seed is realized through cooperation with the discharge baffle one, the transportation track transports the seed flowing out of the discharge port one to the drying box, the trouble of manual carrying is avoided, and the automation degree of the whole device is improved.

[0015] As a further improvement of the above scheme, the drying box is arranged at the right end of the transportation track, the bottom end of the drying box is fixedly connected with the top end of the supporting bottom plate, the feeding port is arranged at the left end of the drying box, the discharge port two is arranged at the right end of the drying box, the left end of the discharge baffle two is slidably connected with the right end of the drying box, and the left end of the discharge baffle two is in contact with the right end of the discharge port two.

[0016] Through the technical scheme, the drying box is used for drying the screened seed, the internal drying fan can quickly and effectively remove the moisture in the seed, the quality of the seed is maintained, the feeding port is the entrance of the drying box, the transportation track sends the seed from the feeding port into the drying box for drying treatment, the discharge baffle two is used for controlling the speed and direction of the seed flowing out of the discharge port two after drying, so that the seed can smoothly leave the drying box, and the discharge port two is the exit of the drying box, the seed after drying flows out of the drying box through the discharge port two, and the working process of the whole device is completed.

[0017] As a further improvement of the above scheme, the drying fan is provided with two, and the two drying fans are fixedly connected at the inner walls of the drying box away from each other.

[0018] Through the technical scheme, the drying fan can quickly and effectively dry the seed in the drying box, prevents the seed from being mildewed or deteriorated due to moisture, the control panel is located at the front end of the supporting frame, and the operation of the motor and the work of the drying fan can be conveniently controlled through the control panel, so that the operation of the whole device is more convenient.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] The device is provided with a primary screening plate and a secondary screening plate. The primary screening plate can perform primary screening on the seeds in the rice seed hopper to remove larger impurities or unqualified seeds. The secondary screening plate has four secondary screening plates and is driven by the vibration rods to perform secondary screening. This multi-stage screening structure can more accurately screen qualified rice seeds and improve the purity of the seeds. The multiple vibration rods are connected to the motor, and the motor drives the vibration rods to vibrate the secondary screening plate. This vibrating screening method has higher efficiency than the static screening method, can accelerate the screening speed, and reduces the screening time.

[0021] The control panel is arranged at the front end of the support frame, and through the control panel, the operation of the motor and the work of the drying fan can be conveniently controlled, so that the operation of the whole device is more convenient, and the operation personnel can adjust the operation parameters of the device according to actual requirements.

[0022] The utility model discloses a seed drying device, which comprises a support frame, a rice seed hopper, a primary screening plate, a vibrating rod, a secondary screening plate, a discharge inclined plate, a discharge port one, a discharge baffle one, a transport track and a drying box. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is an overall structure schematic view of the utility model;

[0024] Figure 2 It is a left end structure schematic view of the utility model;

[0025] Figure 3 It is a bottom end structure schematic view of the utility model;

[0026] Figure 4 It is a left end cross section structure schematic view of the utility model;

[0027] Figure 5 It is a front end cross section structure schematic view of the utility model.

[0028] Main symbol explanation:

[0029] 1, support bottom plate, 2, support frame, 3, rice seed hopper, 4, primary screening plate, 5, through slot, 6, screening box, 7, motor, 8, vibrating rod, 9, secondary screening plate, 10, discharge inclined plate, 11, discharge port one, 12, discharge baffle one, 13, shaft, 14, transport track, 15, drying box, 16, feed inlet, 17, drying fan, 18, discharge baffle two, 19, discharge port two, 20, control panel. DETAILED DESCRIPTION

[0030] In the following, the utility model is further described in combination with the drawings and the specific implementation, and it should be explained that, under the premise of not conflicting, the following described each embodiment or each technical feature can be combined to form a new embodiment.

[0031] Embodiment:

[0032] Please combine Figures 1-5The rice seed multi-stage screening device of the embodiment comprises a support base plate 1, a support frame 2 is arranged at the top end of the support base plate 1, a rice seed hopper 3 is arranged at the top end of the support frame 2, a primary screening plate 4 is arranged in the rice seed hopper 3, a through slot 5 is arranged at the top end of the support frame 2, a screening box 6 is arranged at the top end of the support base plate 1, a motor 7 is arranged at the front end of the screening box 6, a vibrating rod 8 is arranged on the inner wall of the screening box 6, a secondary screening plate 9 is arranged in the screening box 6, a discharging inclined plate 10 is arranged in the screening box 6, a discharging port one 11 is arranged at the right end of the screening box 6, a discharging baffle one 12 is arranged at the top end of the support base plate 1, a rotating shaft 13 is arranged on the inner wall of the discharging baffle one 12, a transport crawler belt 14 is arranged on the surface of the rotating shaft 13, a drying box 15 is arranged at the top end of the support base plate 1, a feeding port 16 is arranged at the left end of the drying box 15, a drying fan 17 is arranged in the drying box 15, a discharging baffle two 18 is arranged at the right end of the drying box 15, a discharging port two 19 is arranged at the right end of the drying box 15, and a control panel 20 is arranged at the front end of the support frame 2.

[0033] The top end of the support base plate 1 is fixedly connected with the bottom end of the support frame 2, the bottom end of the rice seed hopper 3 is fixedly connected with the bottom end of the support frame 2, the primary screening plate 4 is fixedly connected with the inner wall of the rice seed hopper 3, and the top end of the support frame 2 is provided with the through slot 5.

[0034] The screening box 6 is arranged at the bottom end of the through slot 5, the bottom end of the screening box 6 is fixedly connected with the top end of the support base plate 1, the rear end of the motor 7 is fixedly connected with the front end of the screening box 6, the vibrating rod 8 is provided with a plurality of vibrating rods, the mutually faraway ends of the plurality of vibrating rods 8 are fixedly connected with the inner wall of the screening box 6, and the plurality of vibrating rods 8 are drivingly connected with the output end of the rear end of the motor 7 through the screening box 6.

[0035] The secondary screening plate 9 is provided with four secondary screening plates, the mutually faraway ends of the four secondary screening plates 9 are fixedly connected with the mutually close ends of the plurality of vibrating rods 8, the discharging inclined plate 10 is arranged at the bottom end of the four secondary screening plates 9, the bottom end of the discharging inclined plate 10 is fixedly connected with the inner bottom end of the screening box 6, and the discharging port one 11 is arranged at the right end of the screening box 6.

[0036] The discharging baffle one 12 is provided with two discharging baffles, the bottom ends of the two discharging baffles one 12 are fixedly connected with the top end of the support base plate 1, the rotating shaft 13 is provided with two rotating shafts, the mutually faraway ends of the two rotating shafts 13 are drivingly connected with the mutually close ends of the two discharging baffles one 12, the inner wall of the transport crawler belt 14 is drivingly connected with the surface of the two rotating shafts 13, and the transport crawler belt 14 is arranged at the right end of the discharging port one 11.

[0037] The drying box 15 is arranged at the right end of the transport crawler belt 14, the bottom end of the drying box 15 is fixedly connected with the top end of the support base plate 1, the feeding port 16 is arranged at the left end of the drying box 15, the discharging port two 19 is arranged at the right end of the drying box 15, the left end of the discharging baffle two 18 is slidingly connected with the right end of the drying box 15, and the left end of the discharging baffle two 18 is in contact with the right end of the discharging port two 19.

[0038] The drying fans 17 are provided with two, and the two drying fans 17 are fixedly connected at the inner wall of the drying box 15 away from each other, and the rear end of the control panel 20 is fixedly connected with the front end of the support frame 2.

[0039] The implementation principle of the multi-stage screening device for rice seeds in the embodiment of the application is as follows: the rice seeds are poured into the rice seed hopper 3, and the preliminary screening is performed on the preliminary screening plate 4, and the unqualified seeds or impurities are blocked in the upper layer. The seeds screened through the preliminary screening are dropped into the screening box 6 through the through slot 5 on the support frame 2, and in the screening box 6, the motor 7 is started to drive the vibration rod 8 to vibrate, and the vibration rod 8 drives the secondary screening plate 9 to vibrate. Since the secondary screening plate 9 has four and cooperates with each other, in the vibration process, the seeds are further screened according to the size and quality and other factors, the qualified seeds are dropped onto the discharge inclined plate 10 through the secondary screening plate 9, and then flow out from the discharge port one 11, the seeds flowing out from the discharge port one 11 fall onto the transport caterpillar belt 14, and the transport caterpillar belt 14 is driven by the two rotating shafts 13 to transport the seeds to the feed port 16 of the drying box 15, and after the seeds enter the drying box 15, the two drying fans 17 on the inner wall of the drying box 15 are started to dry the seeds. The dried seeds flow out from the discharge port two 19 under the control of the discharge baffle two 18, and the whole working process of the device is completed.

[0040] The above-mentioned embodiment is only the preferred embodiment of the application, and cannot be used to limit the scope of protection of the application, and any non-substantial change and replacement made by the person skilled in the art on the basis of the application belongs to the scope of protection of the application.

Claims

1. A multi-stage screening device for rice seeds, characterized by, The utility model provides a rice seed screening and drying device, including support base plate (1), support base plate (1) top is provided with support frame (2), support frame (2) top is provided with rice seed hopper (3), rice seed hopper (3) inside is provided with preliminary screening board (4), support frame (2) top is provided with through slot (5), support base plate (1) top is provided with screening box (6), screening box (6) front end is provided with motor (7), screening box (6) inner wall is provided with vibrating rod (8), screening box (6) inside is provided with secondary screening board (9), screening box (6) inside is provided with discharge inclined plate (10), screening box (6) right -hand member is provided with discharge port no.

2. The multi-stage screening device for rice seeds according to claim 1, characterized in that: The support base plate (1) top is fixedly connected with the bottom end of the support frame (2), the bottom end of the rice seed hopper (3) is fixedly connected with the bottom end of the support frame (2), the preliminary screening board (4) is fixedly connected in the inner wall of the rice seed hopper (3), and the top of the support frame (2) is provided with a through slot (5).

3. The multi-stage screening device for rice seeds according to claim 1, characterized in that: The screening box (6) is arranged at the bottom end of the through slot (5), the bottom end of the screening box (6) is fixedly connected with the top end of the support base plate (1), the rear end of the motor (7) is fixedly connected with the front end of the screening box (6), the vibrating rod (8) is provided with a plurality of vibrating rods (8), and the vibrating rod (8) is provided with a plurality of vibrating rods (8).

4. The multi-stage screening device for rice seeds according to claim 1, characterized in that: The secondary screening board (9) is provided with four secondary screening boards (9), and the distal ends of the four secondary screening boards (9) are fixedly connected with the proximal ends of the plurality of vibrating rods (8). The discharge inclined plate (10) is arranged at the bottom end of the four secondary screening boards (9), and the bottom end of the discharge inclined plate (10) is fixedly connected with the bottom end of the screening box (6).

5. The multi-stage screening device for rice seeds according to claim 1, characterized in that: The discharge baffle (12) is provided with two discharge baffles (12), and the bottom ends of the two discharge baffles (12) are fixedly connected with the top end of the support base plate (1). The rotating shaft (13) is provided with two rotating shafts (13), and the distal ends of the two rotating shafts (13) are drivingly connected with the proximal ends of the two discharge baffles (12). The inner wall of the transport track (14) is drivingly connected with the surface of the two rotating shafts (13), and the transport track (14) is arranged at the right end of the discharge port (11).

6. The multi-stage screening device for rice seeds according to claim 1, characterized in that: The drying box (15) is arranged at the right end of the transport track (14), the bottom end of the drying box (15) is fixedly connected with the top end of the supporting bottom plate (1), the feeding port (16) is arranged at the left end of the drying box (15), the discharging port two (19) is arranged at the right end of the drying box (15), the left end of the discharging baffle two (18) is slidably connected with the right end of the drying box (15), and the left end of the discharging baffle two (18) is in contact with the right end of the discharging port two (19).

7. The multi-stage screening device for rice seeds according to claim 1, characterized in that: The drying fan (17) is provided with two, and the two drying fans (17) are fixedly connected with the inner wall of the drying box (15) away from each other. The rear end of the control panel (20) is fixedly connected with the front end of the supporting frame (2).

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