Drying device for harvesting rice seeds
By designing a lifting plate and a quantitative feeding mechanism inside the drying drum, the problems of uneven drying of rice seeds and manual turning were solved, achieving efficient and uniform seed drying and impurity separation, thus improving seed quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-15
- Publication Date
- 2026-04-07
AI Technical Summary
Existing rice seed drying methods are limited by weather and are inefficient. Traditional flat drying makes it difficult for the seeds at the bottom to dry, and frequent manual turning is time-consuming and labor-intensive, reducing efficiency.
Design a device that includes a drying drum, lifting plates, a quantitative feeding mechanism, and a screening mechanism. The lifting plates cause the seeds to roll and tumble inside the drying drum, and combined with quantitative feeding and screening, it ensures uniform drying and separation of impurities.
This method achieves uniform drying of rice seeds, improves drying efficiency, reduces manual intervention, lowers operational difficulty and seed damage, and enhances seed quality and purity.
Smart Images

Figure CN224094802U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to grain drying equipment technical field especially relates to a drying device for rice seed harvesting. BACKGROUND
[0002] Rice is annual aquatic herb of gramineae, and it tastes sweet and warm, can promote digestion, and can invigorate the spleen and stimulate appetite.
[0003] The existing rice seed drying method has obvious defects, the traditional natural drying is limited by weather and has low efficiency, and although the existing drying equipment has been improved, the flat drying of seeds leads to the difficulty of drying the lower seeds, and frequent manual turning not only consumes time and effort, but also reduces the drying efficiency, which urgently needs to be solved through technical improvement. UTILITY MODEL CONTENT
[0004] One purpose of the utility model is to provide a drying device for rice seed harvesting, which solves the problems of the existing rice seed drying method having obvious defects, the traditional natural drying being limited by weather and having low efficiency, and the existing drying equipment being improved, but the flat drying of seeds leading to the difficulty of drying the lower seeds and frequent manual turning consuming time and effort and reducing the drying efficiency.
[0005] According to the drying device for rice seed harvesting, the drying mechanism, the quantitative discharging mechanism and the screening mechanism are combined, the rice seeds are rolled and dried in the drying cylinder, the seeds and impurities are separated after drying, and the drying efficiency is improved.
[0006] The drying mechanism comprises a drying cylinder and a scoop plate fixed to the inner wall of the drying cylinder, the two ends of the drying cylinder are connected with a first support seat and a second support seat through a connecting cylinder, one side of the first support seat is connected with a blower and a heating device through a wind cylinder, one side of the first support seat corresponding to the drying cylinder is fixedly provided with a discharge pipe, the top of the second support seat is fixedly provided with a feeding pipe and an air outlet pipe, and the drying cylinder is rolled and dried by rotation through the driving assembly.
[0007] The quantitative discharging mechanism comprises a conveying cylinder fixed to the top of the feeding pipe, a spiral conveying blade is rotatably arranged in the conveying cylinder, and the end of the spiral conveying blade is fixedly connected with a driven gear and a gear ring in the driving assembly.
[0008] The screening mechanism is installed at one end of the discharge pipe of the drying mechanism, and is used for separating the seeds and impurities after drying.
[0009] Preferably, the drying cylinder is provided with a heat insulation layer.
[0010] Preferably, the scoop plate is of L-shaped structure, and a plurality of scoop plates are arranged in a circular shape.
[0011] Preferably, the bottom of the first support seat and the second support seat is fixedly provided with a first inclined seat for the inclination of the drying cylinder.
[0012] Preferably, the driving assembly comprises a gear ring and a rotating ring fixed to the outer side of the drying cylinder, the outer lower end of the gear ring is engaged with a driving gear, the driving gear is fixedly arranged at the output end of the motor, the bottom of the rotating ring is connected with a thrust wheel, and the thrust wheel and the bottom of the motor are both fixedly provided with a second inclined seat.
[0013] Preferably, the rotating ring is provided with two, and is located at both ends of the drying cylinder, and the outer side of the shaft coupling of the motor output end is provided with a bearing seat.
[0014] Preferably, the top of the conveying cylinder is fixedly provided with a discharge hopper, and the end of the conveying cylinder is fixedly provided with a protective cover for protecting the driven gear.
[0015] Preferably, the screening mechanism comprises a screening box, the inside of the screening box is fixedly provided with a screening plate and a guide plate from top to bottom, the bottom of the screening plate is provided with a vibrating device, one end of the screening plate on the outer side of the screening box is fixedly provided with a seed discharge pipe, and one end of the guide plate on the outer side of the screening box is fixedly provided with an impurity discharge pipe.
[0016] The utility model discloses the beneficial effect is:
[0017] The utility model discloses a drying mechanism and driving assembly are set up, effectively avoided the problem of traditional drying equipment seed drying uneven and manual frequent turning, when rice seed drying, the inside installation of drying cylinder has the scoop, these scoops can take up and scatter rice seed when the cylinder rotates, make the seed in drying cylinder keep turning over, thereby contact every side of hot air, guarantee the uniformity of drying process, when, motor drives the gear ring through the driving gear, makes the drying cylinder rotate, and the rotating ring connected by the thrust wheel set up at both ends of the drying cylinder can play the limiting action, keeps the drying cylinder in the correct position rotation, and then makes the seed in the drying cylinder carry out the rolling drying rotation, not only avoids the seed and burns because long -time contact heat source, also greatly improves the drying efficiency, therefore, the device effectively reduces the need of manual intervention, saves the labor, reduces the operation difficulty, also reduces the seed damage that the manual turning can cause simultaneously, improves the overall quality of seed;
[0018] The utility model discloses a quantitative unloading mechanism and screening mechanism are set up, solved the uneven problem of seed feeding in the prior art, when the rice seed is poured into the unloading hopper, the spiral conveying blade in the conveying cylinder rotates under the drive of motor, and the seed is quantitatively conveyed from the top of feeding pipe to the inside of drying cylinder, the driven gear and the gear ring in the driving assembly meshing transmission connection, ensure that the spiral conveying blade quantitatively conveys the rice seed while the drying cylinder rotates, ensure the continuity and uniformity of seed unloading, avoid the uneven drying problem caused by uneven feeding.
[0019] The utility model discloses a screening mechanism is set up, solved the problem that the impurity mixes after seed drying in the prior art, and the seed after drying passes the discharge pipe and enters the screening box, and the screening board and the guide plate are fixed in the screening box, and under the vibration of vibration equipment, the seed and the impurity are separated on the screening board, and the seed is discharged through the seed discharge pipe, and the impurity is discharged through the impurity discharge pipe, therefore, not only improve the purity of seed after drying, but also reduce the work load of subsequent seed processing, ensure the quality of seed. DRAWINGS
[0020] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model with the embodiment of the utility model, and do not constitute the limitation to the utility model.In the drawings,
[0021] Figure 1 It is a three-dimensional structure schematic diagram of one side of the drying device for rice seed harvesting that the utility model proposes;
[0022] Figure 2 It is the spiral conveying blade structure schematic diagram of the drying device for rice seed harvesting that the utility model proposes;
[0023] Figure 3 It is the scraper structure schematic diagram of the drying device for rice seed harvesting that the utility model proposes;
[0024] Figure 4 It is the screen structure schematic diagram of the drying device for rice seed harvesting that the utility model proposes;
[0025] In the figure: 1, drying mechanism; 101, drying cylinder; 102, connecting cylinder; 103, first support seat; 104, second support seat; 105, feeding pipe; 106, discharge pipe; 107, first inclined seat; 108, air cylinder; 109, air blower; 110, heating equipment; 111, air outlet pipe; 112, heat insulation layer; 113, scoop plate; 2, driving assembly; 201, gear ring; 202, rotating ring; 203, driving gear; 204, motor; 205, second inclined seat; 206, bearing seat; 207, thrust wheel; 3, quantitative discharging mechanism; 301, conveying cylinder; 302, discharging hopper; 303, protective cover; 304, driven gear; 305, spiral conveying blade; 4, screening mechanism; 401, screening box; 402, screening plate; 403, guide plate; 404, vibrating equipment; 405, seed discharge pipe; 406, impurity discharge pipe. DETAILED DESCRIPTION
[0026] The utility model will be explained in further detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the structure related to the utility model.
[0027] Reference Figures 1-4 A rice seed harvesting drying device, comprising:
[0028] The drying mechanism 1 comprises a drying cylinder 101 and a scraper 113 fixed to the inner wall of the drying cylinder 101. The two ends of the drying cylinder 101 are connected with a first support seat 103 and a second support seat 104 through a connecting cylinder 102. The first support seat 103 is connected with a blower 109 and a heating device 110 through a wind cylinder 108 on one side. The first support seat 103 is fixedly provided with a discharge pipe 106 on the side corresponding to the drying cylinder 101. The top of the second support seat 104 is fixedly provided with an inlet pipe 105 and an outlet pipe 111. The drying cylinder 101 is driven to rotate by the driving assembly 2 to roll and dry the rice seeds inside the drying cylinder 101. The driving assembly 2 comprises a gear ring 201 and a rotating ring 202 fixed to the outer side of the drying cylinder 101. The outer side of the lower end of the gear ring 201 is provided with a driving gear 203 in meshing transmission. The driving gear 203 is fixedly arranged on the output end of a motor 204. The bottom of the rotating ring 202 is connected with a thrust wheel 207. The bottom of the thrust wheel 207 and the motor 204 are fixedly provided with a second inclined seat 205. The scraper is installed inside the drying cylinder. When the cylinder body rotates, the scraper can lift and scatter the rice seeds, so that the seeds are constantly turned over in the drying cylinder to contact every side of the hot air, ensuring the uniformity of the drying process. At this time, the motor drives the gear ring through the driving gear to rotate the drying cylinder. The rotating ring connected by the thrust wheel at both ends of the drying cylinder can limit the rotation of the drying cylinder in the correct position, so that the seeds roll and dry in the drying cylinder. This not only avoids the burning of the seeds due to long-time contact with the heat source, but also greatly improves the drying efficiency.
[0029] The quantitative feeding mechanism 3 comprises a conveying cylinder 301 fixed to the top of the inlet pipe 105. A spiral conveying blade 305 is rotatably arranged in the conveying cylinder 301. The end of the spiral conveying blade 305 is fixedly connected with a driven gear 304 in meshing transmission with the gear ring 201 in the driving assembly 2. The spiral conveying blade in the conveying cylinder rotates under the drive of the motor to quantitatively convey the seeds from the top of the inlet pipe to the inside of the drying cylinder. The driven gear is in meshing transmission with the gear ring in the driving assembly to ensure that the spiral conveying blade quantitatively conveys the rice seeds while the drying cylinder rotates, ensuring the continuity and uniformity of the seed feeding.
[0030] The screening mechanism 4 is installed at one end of the discharge pipe 106 in the drying mechanism 1, and is used to separate the dried rice seeds from impurities. The screening mechanism 4 comprises a screening box 401, the inside of which is fixedly provided with a screening plate 402 and a guide plate 403 from top to bottom. The bottom of the screening plate 402 is provided with a vibrating device 404. The outside of the screening box 401 is fixedly provided with a seed discharge pipe 405 corresponding to one end of the screening plate 402. The outside of the screening box 401 is fixedly provided with an impurity discharge pipe 406 corresponding to one end of the guide plate 403. The screening plate and the guide plate are fixed in the screening box. Under the vibration of the vibrating device, the seeds and impurities are separated on the screening plate. The seeds are discharged through the seed discharge pipe, and the impurities are discharged through the impurity discharge pipe. Therefore, the purity of the dried seeds is improved, and the workload of subsequent seed treatment is reduced.
[0031] In the embodiment 1, the drying cylinder 101 is provided with a heat insulation layer 112, and the scoops 113 are L-shaped structures. The scoops 113 are circular and are provided with a plurality of scoops. When the cylinder rotates, the scoops can carry and throw the rice seeds, so that the seeds are constantly turned in the drying cylinder, thereby contacting every side of the hot air, ensuring the uniformity of the drying process. The bottom of the first support seat 103 and the second support seat 104 is fixedly provided with a first inclined seat 107 for inclining the drying cylinder 101. The drying cylinder can be supported in an inclined state, so that the rice seeds have the effect of conveying while being dried.
[0032] In the embodiment 2, the rotating ring 202 is provided with two rotating rings located at the two ends of the drying cylinder 101. The rotating ring connected with the thrust wheel can limit the rotation of the drying cylinder in the correct position. The outer side of the shaft coupling at the output end of the motor 204 is provided with a bearing seat 206. The top of the conveying cylinder 301 is fixedly provided with a discharge hopper 302. The end of the conveying cylinder 301 is fixedly provided with a protective cover 303 for protecting the driven gear 304, which can avoid damage to the gear caused by dust or water stains.
[0033] Working principle: after the device is started, the spiral conveying blade 305 in the conveying cylinder 301 in the quantitative feeding mechanism 3 rotates under the driving of the motor, and the rice seeds are quantitatively conveyed from the top of the feeding pipe 105 to the inside of the drying cylinder 101, at the same time, the motor 204 in the driving assembly 2 drives the gear ring 201 through the driving gear 203, so that the drying cylinder 101 rotates, the seed is brought up and scattered when the cylinder rotates, and the seed is continuously turned in the drying cylinder, uniformly contacts hot air, the hot air is sent into the drying cylinder 101 by the air cylinder 108 through the air cylinder 108, the heating device 110 heats the air, the hot air circulates in the drying cylinder, takes away the moisture in the seed, the heat insulation layer 112 in the drying cylinder 101 effectively prevents heat loss and improves drying efficiency, the drying cylinder 101 is inclined and supported by the first inclined seat 107, so that the seed has conveying effect during the drying process, the dried seed enters the screening mechanism 4 through the discharge pipe 106, the screening plate 402 and the guide plate 403 in the screening box 401 realize the separation of the seed and the impurities under the action of the vibrating device 404, the pure seed is discharged through the seed discharge pipe 405, and the impurities are discharged through the impurity discharge pipe 406, the rotating ring 202 and the thrust wheel 207 ensure that the drying cylinder 101 rotates at the correct position, the protective cover 303 protects the driven gear 304 from being damaged, the whole device realizes continuous, uniform drying and high-efficiency separation of the rice seeds, and improves the seed quality and the drying efficiency.
[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A drying device for rice seed harvesting, characterized in that, include: The drying mechanism (1) includes a drying cylinder (101) and a lifting plate (113) fixed to the inner wall of the drying cylinder (101). The two ends of the drying cylinder (101) are respectively connected to a first support base (103) and a second support base (104) through a connecting cylinder (102). A blower (109) and a heating device (110) are respectively connected to one side of the first support base (103) through a wind duct (108). A discharge pipe (106) is fixedly provided on one side of the first support base (103) corresponding to the drying cylinder (101). A feed pipe (105) and an air outlet pipe (111) are fixedly provided on the top of the second support base (104). The drying cylinder (101) is driven by a drive assembly (2) to realize the rolling and drying of rice seeds inside the drying cylinder (101). The quantitative feeding mechanism (3) includes a conveying cylinder (301) fixed to the top of the feed pipe (105). The conveying cylinder (301) is rotatably provided with a spiral conveying blade (305). The driven gear (304) fixed at the end of the spiral conveying blade (305) is meshed and connected with the gear ring (201) in the drive assembly (2). The screening mechanism (4) is installed at one end of the discharge pipe (106) in the drying mechanism (1) to separate the dried rice seeds from impurities.
2. The rice seed harvesting and drying device according to claim 1, characterized in that, The drying cylinder (101) is provided with a heat insulation layer (112).
3. The rice seed drying device according to claim 1, characterized in that, The copy plate (113) has an L-shaped structure, and there are several copies of each copy plate (113) in a circular shape.
4. The rice seed harvesting and drying device according to claim 1, characterized in that, The bottom of the first support (103) and the second support (104) are both fixedly provided with a first tilting seat (107) for tilting the drying cylinder (101).
5. The rice seed harvesting and drying device according to claim 1, characterized in that, The drive assembly (2) includes a gear ring (201) and a rotating ring (202) fixed to the outside of the drying cylinder (101). The lower outer end of the gear ring (201) is meshed with a drive gear (203). The drive gear (203) is fixedly mounted on the output end of the motor (204). The bottom of the rotating ring (202) is connected to a thrust wheel (207). The bottom of both the thrust wheel (207) and the motor (204) is fixedly mounted with a second inclined seat (205).
6. The rice seed harvesting and drying device according to claim 5, characterized in that, Two rotating rings (202) are provided and located at both ends of the drying cylinder (101). A bearing seat (206) is provided on the outside of the coupling at the output end of the motor (204).
7. The rice seed harvesting and drying device according to claim 1, characterized in that, A hopper (302) is fixedly installed on the top of the conveying cylinder (301), and a protective cover (303) for protecting the driven gear (304) is fixedly installed at the end of the conveying cylinder (301).
8. The rice seed harvesting and drying device according to claim 1, characterized in that, The screening mechanism (4) includes a screening box (401). Inside the screening box (401), a screening plate (402) and a guide plate (403) are fixedly arranged from top to bottom. A vibrating device (404) is installed at the bottom of the screening plate (402). A seed discharge pipe (405) is fixedly arranged at one end of the screening box (401) corresponding to the screening plate (402). An impurity discharge pipe (406) is fixedly arranged at one end of the screening box (401) corresponding to the guide plate (403).