Double-seed sowing device
By designing a double-grain seeding device, using the combination of the seed guide and fixed discs, combined with centrifugal force and gravity to disperse seeds, the problems of complex structure and high cost in the existing technology are solved, and efficient seeding is achieved to meet soybeans and other categories Round seeds meet the requirement of sowing more than 7,000 pellets per mu.
Patent Information
- Application Number
- CN202420976692.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-20
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing seeding device is equipped with a seeding plate and a transmission to synchronously cooperate, resulting in complex structure and high cost, making it difficult to meet the requirement of soybeans and other circular seeds so as to reach more than 7,000 seeds per mu.
A double-grain seeding device is designed, including a seeding cylinder, a seed guide disk, a seed cone surface, a seed guide partition, a seed drop hole and a fixed disk. The rotating shaft and a seed guide disk are driven to rotate by a driving motor. , use centrifugal force and gravity to disperse seeds, combine seed guide belt or seed tube to achieve seed sowing, ensuring that two seeds are dropped at a time, and efficient seeding is achieved through the cooperation of waist-shaped holes and seed-fall holes.
The device structure is simplified, the cost is reduced, and the requirement of soybeans and other round seeds reaching more than 7,000 seeds per mu is sown, which enhances the standardization and flexibility of the seeding device.
Smart Images
Figure CN222193064U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a double-grain sowing device for quasi-circular seeds, belonging to the technical field of sowing. Background Art
[0002] Seeding devices are often used to plant various seeds on the land. However, existing seeding devices on the market often waste resources due to problems such as uneven discharge and difficulty in adjusting the seed discharge amount when in use.
[0003] To solve this problem, the sowing device often uses a seed disc equipped with a transmission. The rotation speed of the seed disc can be adjusted by adjusting the gear position of the transmission. However, the problem with the prior art is that the existing sowing device is complex in structure and high in cost due to the synchronous cooperation of the seed disc and the transmission, and it is difficult to meet the requirement of sowing more than 7,000 seeds per mu of round seeds such as soybeans. Utility Model Content
[0004] The purpose of the utility model is to provide a double-grain sowing device to solve the problem that the existing sowing device proposed in the above background technology is complicated in structure and high in cost due to the synchronous cooperation of the sowing disc and the transmission, and it is difficult to meet the requirement of sowing more than 7,000 grains per mu of round seeds such as soybeans. In order to achieve the above purpose, the utility model provides the following technical solutions: a double-grain sowing device, including a sowing barrel, the interior of the sowing barrel is rotatably connected with a guide seed disc, the top of the guide seed disc is fixedly connected with a seed separation cone, the top of the guide seed disc is fixedly connected with a fan-shaped distributed seed guide partition, the middle of the guide seed disc is provided with a seed drop hole, the bottom of the sowing barrel is fixedly connected with a fixed disc, the bottom of the fixed disc is provided with a waist-shaped hole, and the waist-shaped hole is adapted to the seed drop hole.
[0005] Further preferably, a driving assembly is provided inside the seeding barrel, and the driving assembly includes a support plate, the support plate is fixedly connected to the inside of the seeding barrel, the top of the support plate is fixedly connected to a support frame, the top of the support frame is fixedly connected to a driving motor, the transmission end at the bottom of the driving motor is fixedly connected to a driving rotating shaft, the bottom of the driving rotating shaft extends downward through the support plate to the inside of the seeding barrel and is fixedly connected to the top of the seeding cone surface, a fixed disc is provided under the seeding barrel, a plurality of waist-shaped holes are provided on the disc, and the seeds entering the seeding barrel are dispersed (inertia force) by the rotation of the guide seeding disc and are moved through the seeding cone surface and the guide seed spacer. The seeds enter the seed-dropping hole under the action of the plate. Due to the rotation of the seed-guide disc, the seed-dropping hole and the waist-shaped hole are periodically connected. Under the action of gravity, the seeds will enter the waist-shaped hole of the fixed disc from the seed-dropping hole (the angle between the lines connecting the centers of the two circles of the waist-shaped hole and the center of the fixed disc is α, and the centers of the two double-grain seed-dropping holes are respectively connected to the center of the seed-guide disc, and the connecting lines have an angle β, α>β, ensuring that two seeds are dropped each time). A seed guide belt or a seed guide tube is arranged under the through hole to realize sowing, which solves the problem that the existing sowing device is equipped with a seed disc and a transmission for synchronous cooperation, resulting in a complex structure and high cost, and it is difficult to meet the requirement of sowing more than 7,000 seeds per mu for round seeds such as soybeans.
[0006] Further preferably, a guide assembly is provided at the bottom of the sowing barrel, and the guide assembly includes a connecting base, and the connecting base is fixedly connected to the bottom of the sowing barrel. The seed guide disc inside the sowing barrel is driven to rotate, so that the round seeds are guided to the double-grain seed holes by the seed separation cone surface and the seed guide partition under the action of centrifugal force after falling, waiting to fall, thereby solving the requirement of sowing more than 7,000 seeds per mu for round seeds such as soybeans, and enhancing the standardization of the sowing device when in use.
[0007] Further preferably, the inner wall of the connecting base is provided with an internal thread, and the bottom of the connecting base is movably connected with a connecting cap, so that the connecting cap and the connecting base are movably connected through the internal thread, and the connecting base is threadedly connected to the connecting cap through the internal thread, and the bottom of the connecting cap is fixedly connected with a seed guide tube, and the seed guide tube is fixedly connected to the connecting base, so as to realize long-distance sowing of the sowing device, enhance the practicality and flexibility of the device when in use, and facilitate the long-distance sowing of round seeds.
[0008] Compared with the prior art, the utility model has the following beneficial effects:
[0009] In the utility model, a fixed disc is arranged below the seeding cylinder, and a plurality of waist-shaped holes are arranged on the disc. When the seed guide disc rotates, the seed dropping holes and the waist-shaped holes are periodically communicated, and the angle between the lines connecting the centers of the two circles of the waist-shaped holes and the center of the fixed disc is α, and the centers of the two double-grain seed dropping holes are respectively connected to the center of the seed guide disc, and the connecting line includes an angle β, α>β, and the vertical projection area of the double-grain seed dropping holes is included in the vertical projection area of the waist-shaped holes, and two adjacent double-grain seed dropping operations will not be performed at the same time, so as to ensure that double grains are dropped each time, and a seed guide belt or a seed guide tube is arranged below the through hole to realize seeding.
[0010] In the utility model, the seed guide disc is driven to rotate, so that the round seeds are separated and guided to the seed dropping holes by the seed separation cone surface and the seed guide partition plate under the action of centrifugal force after falling, waiting to fall, so as to solve the requirement of sowing more than 7,000 seeds per mu for round seeds such as soybeans, and enhance the standardization of the sowing device when in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;
[0012] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0013] Figure 3 For this utility model Figure 2 A in the middle shows the enlarged detailed structural diagram;
[0014] Figure 4 This is a schematic diagram of the top view structure of the utility model;
[0015] Figure 5 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .
[0016] In the figure: 1. seeding cylinder; 2. seed guide disc; 3. seed separation cone; 4. seed guide partition; 5. seed drop hole; 6. fixed disc; 7. waist-shaped hole; 8. drive assembly; 9. export assembly; 801. support plate; 802. support frame; 803. drive motor; 804. drive rotating shaft; 901. connecting base; 902. internal thread; 903. connecting cap; 904. guide tube. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-Figure 5 The utility model provides a technical solution: a double-grain sowing device, including a sowing cylinder 1, a seed guide disc 2 is rotatably connected inside the sowing cylinder 1, a seed dividing cone 3 is fixedly connected to the top of the seed guide disc 2, a fan-shaped seed guide partition 4 is fixedly connected to the top of the seed guide disc 2, a seed drop hole 5 is opened in the middle of the seed guide disc 2, a fixed disc 6 is fixedly connected to the bottom of the sowing cylinder 1, a waist-shaped hole 7 is opened at the bottom of the fixed disc 6, and the waist-shaped hole 7 is adapted to the seed drop hole 5.
[0019] In this embodiment, Figure 1 and Figure 2 As shown, a driving assembly 8 is provided inside the seeding barrel 1, and the driving assembly 8 includes a support plate 801, and the support plate 801 is fixedly connected to the inside of the seeding barrel 1. The top of the support plate 801 is fixedly connected to a support frame 802, and the top of the support frame 802 is fixedly connected to a driving motor 803. The transmission end of the bottom of the driving motor 803 is fixedly connected to a driving rotating shaft 804, and the bottom of the driving rotating shaft 804 extends downward through the support plate 801 to the inside of the seeding barrel 1 and is fixedly connected to the top of the seed separation cone 3. When the seeding device is used, round seeds such as soybeans are placed inside the seeding barrel 1, and the driving motor 803 is started. The transmission end of the driving motor 803 drives the driving rotating shaft 804 to rotate, and the rotation of the driving rotating shaft 804 drives the bottom guide seed disc 2 to rotate. After the guide seed disc 2 rotates, the round seeds inside the guide seed disc are moved in the seed guide Under the seeding guiding action of the partition 4, the seeds enter different seeding holes 5. After falling from the seeding cone surface 3, the round seeds are guided by the seed guiding partition 4 to the seeding holes 5 under the action of centrifugal force to wait for dropping. Under the rotation of the seed guide disc 2, the seeding holes 5 and the waist-shaped holes 7 of the fixed disc 6 are periodically connected. Under the action of gravity, the seeds will enter the waist-shaped holes 7 of the fixed disc 6 from the seeding holes 5, and the angle between the lines connecting the centers of the two circles of the waist-shaped holes 7 and the center of the fixed disc 6 is α. The centers of the two double-grain seeding holes 5 are respectively connected to the center of the guide disc 2, and the connecting line angle β, α>β, the vertical projection area of the double-grain seeding hole 5 is included in the vertical projection area of the waist-shaped hole 7, and the two adjacent double-grain seeding operations will not be performed at the same time, ensuring that two seeds are dropped each time. After the seeds enter the connecting base 901 through the waist-shaped holes 7, the seeds are discharged to the designated area through the conduit 904.
[0020] In this embodiment, Figure 5As shown, a guide assembly 9 is provided at the bottom of the seeding barrel 1, and the guide assembly 9 includes a connecting base 901, which is fixedly connected to the bottom of the seeding barrel 1, and an inner wall of the connecting base 901 is provided with an internal thread 902, and a connecting cap 903 is movably connected to the bottom of the connecting base 901, and the connecting base 901 is threadedly connected to the connecting cap 903 through the internal thread 902, and a conduit 904 is fixedly connected to the bottom of the connecting cap 903, and the conduit 904 is fixedly connected to the connecting base 901. When the conduit 904 needs to be disassembled, the connecting cap 903 can be separated from the internal thread 902 of the connecting base 901 by twisting the connecting cap 903.
[0021] The use method and advantages of the utility model: The working process of the double-grain sowing device is as follows:
[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, when the sowing device is used, round seeds such as soybeans are placed inside the sowing tube 1, and the driving motor 803 is started. The transmission end of the driving motor 803 drives the driving rotating shaft 804 to rotate, and the driving rotating shaft 804 rotates to drive the bottom guide seed disc 2 to rotate. After the guide seed disc 2 rotates, the round seeds inside it enter different seed holes 5 under the seed separation guiding action of the seed guide partition 4. After the round seeds fall from the seed separation cone surface 3, they are guided to the seed drop holes 5 by the seed guide partition 4 under the action of centrifugal force to wait for falling. Under the rotation of the guide seed disc 2, the seed drop holes 5 and the waist-shaped holes 7 of the fixed disc 6 are periodically connected, and the seeds will fall from the seed drop holes 5 under the action of gravity. Enter the waist-shaped hole 7 of the fixed disk 6, and the angle between the lines connecting the centers of the two circles of the waist-shaped hole 7 and the center of the fixed disk 6 is α, the centers of the two double-grain seed holes 5 are respectively connected to the center of the guide seed disk 2, and the connecting line angle β, α>β, the vertical projection area of the double-grain seed hole 5 is included in the vertical projection area of the waist-shaped hole 7, and two adjacent double-grain seeding operations will not be performed at the same time, ensuring that two grains are dropped each time, after the seeds enter the connecting base 901 through the waist-shaped hole 7, the seeds are discharged to the designated area through the conduit 904, and when the conduit 904 needs to be disassembled, the connecting cap 903 is twisted to separate the connecting cap 903 from the internal thread 902 of the connecting base 901.
[0023] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A double seed sowing device, comprising a sowing cylinder (1), characterized in that: The seeding cylinder (1) is rotatably connected to a seed guide disc (2) inside, the top of the seed guide disc (2) is fixedly connected to a seed separation cone (3), the top of the seed guide disc (2) is fixedly connected to a fan-shaped seed guide partition (4), the middle of the seed guide disc (2) is provided with a seed drop hole (5), the bottom of the seeding cylinder (1) is fixedly connected to a fixed disc (6), the bottom of the fixed disc (6) is provided with a waist-shaped hole (7), and the waist-shaped hole (7) is compatible with the seed drop hole (5).
2. A double-seed sowing device according to claim 1, characterized in that: A driving assembly (8) is arranged inside the seeding barrel (1), and the driving assembly (8) comprises a support plate (801), the support plate (801) is fixedly connected to the inside of the seeding barrel (1), the top of the support plate (801) is fixedly connected to a support frame (802), the top of the support frame (802) is fixedly connected to a driving motor (803), the transmission end at the bottom of the driving motor (803) is fixedly connected to a driving rotating shaft (804), and the bottom of the driving rotating shaft (804) extends downward through the support plate (801) to the inside of the seeding barrel (1) and is fixedly connected to the top of the seed separation cone (3).
3. A double-seed sowing device according to claim 1, characterized in that: The bottom of the seeding cylinder (1) is provided with a guide assembly (9), and the guide assembly (9) comprises a connecting base (901), and the connecting base (901) is fixedly connected to the bottom of the seeding cylinder (1).
4. A double-seed sowing device according to claim 3, characterized in that: The inner wall of the connecting base (901) is provided with an internal thread (902), the bottom of the connecting base (901) is movably connected with a connecting cap (903), the connecting base (901) is threadedly connected to the connecting cap (903) via the internal thread (902), the bottom of the connecting cap (903) is fixedly connected with a conduit (904), and the conduit (904) is fixedly connected with the connecting base (901).