CN110754178A - Tomato is air-blowing drum-type seed metering device for seeding - Google Patents
Tomato is air-blowing drum-type seed metering device for seeding Download PDFInfo
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- CN110754178A CN110754178A CN201810825213.6A CN201810825213A CN110754178A CN 110754178 A CN110754178 A CN 110754178A CN 201810825213 A CN201810825213 A CN 201810825213A CN 110754178 A CN110754178 A CN 110754178A
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- 235000007688 Lycopersicon esculentum Nutrition 0.000 title claims abstract description 26
- 238000010899 nucleation Methods 0.000 title claims abstract description 21
- 238000007664 blowing Methods 0.000 title claims abstract description 17
- 240000003768 Solanum lycopersicum Species 0.000 title abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000009331 sowing Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 3
- 241000227653 Lycopersicon Species 0.000 claims 7
- 240000001931 Ludwigia octovalvis Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
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- 230000008901 benefit Effects 0.000 description 4
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- 241000196324 Embryophyta Species 0.000 description 1
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- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses an air-blowing drum type seed metering device for tomato seeding, which comprises a frame, a seed metering mechanism and a transmission mechanism, and is characterized in that the transmission mechanism is arranged on the frame, the seed metering mechanism is arranged on the frame above the transmission mechanism, and the seed metering mechanism comprises: the seed feeding device comprises a roller seed metering device, a multi-layer seed metering box and a seed feeding plate, wherein the multi-layer seed metering box is arranged at the upper end of the roller seed metering device, and a first layer of seed feeding plate and a second layer of seed feeding plate are arranged in the multi-layer seed metering box. The invention adopts the structure of the drum-type seedling-raising seed-metering device with the seed supplementing function based on the airflow suspension mechanism, the airflow is increased along with the increase of the diameter of the suction hole, the seed taking capability is enhanced, the aim of one hole and one seed is basically realized, and the aim of accurate seeding is achieved. Meanwhile, automatic seeding is realized, the production efficiency is improved, and the labor cost and the seed cost are reduced.
Description
Technical Field
The invention relates to the field of agricultural seedling raising machinery, in particular to an air-blowing roller type seed metering device for tomato seeding.
Background
At present, the California, European Union and China in the United states are three tomato production areas in the world, the economy of tomato planting area processing in China is relatively laggard, the cultivation technology is rough, the yield of a large number of plants is low, the fruits are harvested by the day, and the economic benefit is low. The imperfection of the planting technical system restricts the enlargement of the planting area, the yield and the economic benefit of the processed tomatoes. By using the plug seedling transplanting technology, the land utilization rate can be improved, the non-growing period of seedlings is shortened, stubble-adding cultivation or the planting period of auxiliary stubbles is prolonged, the yield and income are increased, and the contradiction of seasonal stubbles is relieved; the seedling-stage maintenance is convenient, the cost is saved, the time and the labor are saved, and the survival rate of the seedlings is improved; the artificial control of the seedling culture process is facilitated, the culture conditions are improved, strong seedlings are obtained, and the seedling setting and selection are easy; the growth process of the tomatoes is advanced, the growth cycle of the field is shortened, the yield of crops is greatly improved, and the quality of the processed tomatoes is improved. This is seen. The plug seedling transplantation of the industrial tomatoes is a high-efficiency, time-saving and multi-profit planting mode and has the incomparable advantages of direct seeding.
One of the key links of plug seedling transplantation lies in seedling and seeding, a plug seedling seed metering device is a core component of a plug seedling precision seeding machine, the precision seeding machine is divided into a mechanical type and an air suction type according to the structural principle, wherein the air suction type seeding machine is used for taking, carrying, cleaning and throwing seeds by means of air flow, and the plug seedling seed metering device has the advantages of high productivity, no damage to the seeds, strong adaptability of the seeds and the like, and is the research direction of the precision seeding machine. At present, the research and development of the external air suction type plug seedling seed sowing device mainly take the seeds with regular shapes or pelletized seeds as research objects, but the pelletized seeds are expensive and are difficult to be accepted by vast farmers. In the face of processing tomato seeds which are mainly characterized by small size, irregular appearance and poor fluidity, the technical requirements of 'one hole and one grain' precision seeding can not be met only by changing the structural parameters and the pneumatic parameters of the seed taking air chamber and the seed suction chamber. The hole tray seedling raising and sowing of the tomatoes mainly comprises manual operation, the production efficiency is low, the labor intensity is high, the labor cost is high, the application and popularization of the mechanical seedling raising technology of the tomatoes are directly restricted, and therefore the research, development and popularization of the hole tray seedling raising precision sowing machine for processing the tomato seeds in a non-pelleting mode, which can meet the technical requirement of one hole and one grain, are urgently needed. An air-blowing roller type seed discharging device for tomato seeding is developed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an air-blowing roller type seed metering device for tomato seeding, which adopts a structure of a roller type seedling-growing seed metering device with a seed supplementing function based on an air flow suspension mechanism, wherein the air flow is increased along with the increase of the diameter of a suction hole, so that the seed taking capacity is enhanced, the aim of one hole and one seed is basically realized, and the aim of accurate seeding is fulfilled. Meanwhile, automatic seeding is realized, the production efficiency is improved, and the labor cost and the seed cost are reduced.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a tomato is blown drum-type seed metering device with gas, includes frame, seed metering mechanism and drive mechanism, the frame on be provided with drive mechanism, be provided with seed metering mechanism in the frame of drive mechanism top, seed metering mechanism includes: the seed feeding device comprises a roller seed metering device, a multi-layer seed metering box and a seed feeding plate, wherein the multi-layer seed metering box is arranged at the upper end of the roller seed metering device, and a first layer of seed feeding plate and a second layer of seed feeding plate are arranged in the multi-layer seed metering box.
Further, as an optional technical solution, the transmission mechanism includes: converter, cave dish conveyer belt motor and conveyer belt, cave dish conveyer belt motor top be provided with the epaxial double sprocket of conveyer belt, conveyer belt and cave dish conveyer belt motor are connected to the epaxial double sprocket of conveyer belt, the single sprocket is connected to the conveyer belt other end, the conveyer belt is provided with check dog, set up the cave dish between each dog.
Further, as a selected technical scheme, the multi-layer seed discharging box is arranged on one side of the roller, the side, which is in contact with the roller, adopts an arc surface for transition, and sliding chutes are bonded on the inner surfaces of the two sides of the multi-layer seed discharging box.
Further, as an optional technical scheme, the seed box is characterized in that the first seed supplying plate and the roller are arranged below the multilayer seed box at a certain angle, the first seed supplying plate layer comprises a first seed guiding plate, the first seed guiding plate is arranged at one end close to the roller, and uniformly arranged blowing holes are formed between the first seed guiding plates.
Further, as an optional technical scheme, a positive pressure air chamber is further bonded on the first layer seed supply plate.
Further, as the selected technical scheme, the second seed supplying plate and the roller form a certain angle and are arranged below the first layer seed supplying plate and are parallel to the first layer seed supplying plate, the second seed supplying plate comprises a second seed guiding plate and an elastic seed scraper, the second seed guiding plate is arranged on one side close to the roller, and the elastic seed scraper is bonded below the second seed guiding plate.
Further, as an optional technical scheme, the roller-type seed sowing device comprises: the self-aligning bearing is circumferentially provided with four rows of linear arranged strip-shaped vent grooves, the self-aligning bearing is sleeved with the roller, and the two ends of the roller are provided with the roller covers.
The invention has the following beneficial effects:
the invention adopts the structure of the drum-type seedling-raising seed-metering device with the seed supplementing function based on the airflow suspension mechanism, the airflow is increased along with the increase of the diameter of the suction hole, the seed taking capability is enhanced, the aim of one hole and one seed is basically realized, and the aim of accurate seeding is achieved. Meanwhile, automatic seeding is realized, the production efficiency is improved, and the labor cost and the seed cost are reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the structure of a first layer seed-supplying plate;
FIG. 3 is a structural view of a second layer seed-supplying plate.
In the figure: 1. a multi-layer seed discharging box; 2. a second layer of seed supply plate; 3. the first layer is provided with an air chamber seed supply plate; 4. a plug conveyor belt; 5. a frame; 6. a vortex air pump; 7. a drum motor; 8. a plug conveyor belt motor; 9. a plug; 10. a roller seeding mechanism; 11. a baffle plate; 12. blowing holes; 13. a first seed guide plate; 14. a positive pressure air chamber; 15. a second seed guide plate; 16. an elastic seed scraper.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
The utility model provides a tomato is blown drum-type seed metering device with gas, includes frame 5, seed metering mechanism and drive mechanism, frame 5 on be provided with drive mechanism, be provided with seed metering mechanism in the frame 5 of drive mechanism top, seed metering mechanism includes: the seed feeding device comprises a roller seed metering device 10, a multi-layer seed metering box 1 and a seed feeding plate, wherein the multi-layer seed metering box 1 is arranged at the upper end of the roller seed metering device 10, the multi-layer seed metering box 1 is installed on one side of a roller and is in arc surface transition with one side in contact with the roller, and sliding grooves are bonded on the inner surfaces of the two sides of the multi-layer seed metering box 1. A first layer seed supply plate 3 and a second layer seed supply plate 2 are arranged in the multi-layer seed sowing box 1.
The first seed supplying plate is arranged below the multilayer seed box at a certain angle with the roller, the first seed supplying plate 3 comprises a first seed guide plate 13, the first seed guide plate 13 is arranged at one end close to the roller, and uniformly arranged blowing holes 12 are formed between the first seed guide plates 13. The positive pressure air collection chamber is bonded with the first layer seed supply plate 3, and the positive pressure air collection chamber is used for ensuring that seeds on the first layer seed supply plate 3 can generate a boiling approximate suspension state under the action of air flow below the seed guide plate. During operation, the seeds gather near 8 suction holes of the roller under the action of the seed guide plate and gravity on the first seed supply plate 3 which is obliquely arranged, and when the positive pressure gas collection chamber is communicated with air flow, the tomato seeds are boiled in the seed guide groove to prepare for subsequent seed taking through the suction holes of the roller. In order to observe the boiling condition of the seeds on the seed supply plate, the first layer of seed supply plate 3 is made of transparent acrylic glass.
The second seed supplying plate is arranged below the first layer of seed supplying plate 3 at a certain angle with the roller and is parallel to the first layer of seed supplying plate 3, the second seed supplying plate comprises a second seed guiding plate 15 and an elastic seed scraper 16, the second seed guiding plate 15 is arranged on one side close to the roller, and the elastic seed scraper 16 is bonded below the second seed guiding plate 15. During operation, the suction holes of the roller and the unstable seeds adsorbed by the suction holes are cleaned back to the first seed supply plate 3 through the elastic seed scraper 16 of the second seed supply plate 2, and the seeds of the second seed supply plate 2 on the inclined layer are gathered near the 8 suction holes of the roller under the action of the seed guide plate and gravity to prepare for secondary seed taking of the suction holes of the subsequent roller. Preferably, in order to observe the movement law of the seeds on the second seed supplying plate 2, the second seed supplying plate 2 is also made of acrylic plates.
The transmission mechanism includes: converter, cave dish conveyer belt motor and conveyer belt 4, cave dish conveyer belt motor top be provided with the epaxial double sprocket of conveyer belt, conveyer belt 4 and cave dish conveyer belt motor are connected to the epaxial double sprocket of conveyer belt, the single sprocket is connected to the 4 other ends of conveyer belt, conveyer belt 4 is provided with check dog, set up the cave dish between the dog.
The drum-type seed metering ware includes: the self-aligning bearing is circumferentially provided with four rows of linear arranged strip-shaped vent grooves, the self-aligning bearing is sleeved with the roller, and the two ends of the roller are provided with the roller covers
When the automatic feeding device works, the frequency converter adjusting motor drives the conveying belt 4 to rotate and the roller to rotate clockwise through chain transmission, so that the conveying belt and the roller can run at the same speed; a negative pressure air supply pipe of the vortex air pump 6 is connected with a negative pressure shaft of the supporting roller, a positive pressure air supply pipe is connected with a negative pressure shaft of the positive pressure chamber vortex air pump 6 below the seed supply plate and the negative pressure shaft of the supporting roller, and the positive pressure air supply pipe is connected with the positive pressure chamber below the seed supply plate; the negative pressure air supply pipe supplies negative pressure to the inner cavity of the roller, the suction holes on the surface of the roller are communicated with the negative pressure, the positive pressure air supply pipe supplies positive pressure to the positive pressure chamber, at the moment, seeds on the first seed supply plate 3 in the seed box are in boiling jumping under the action of the positive pressure, and along with the rotation of the roller, when the seed suction holes pass through the seed supply device, the seeds are adsorbed on the seed suction holes under the action of negative pressure difference on two sides of the seed suction holes and rotate along with the roller; when the seeds pass through the second layer of seed supply plate 2, unstable seeds in the roller suction holes are cleaned by the elastic seed scraper 16 below the second layer of seed supply plate 2, and then the hole suction holes are reseeded; with the continuous rotation of the roller, when the seed box leaves the seed taking area, the elastic seed scraper 16 on the seed box cleans the redundant seeds at the seed suction hole back to the seed box again; when the seeds on the same bus of the roller are transferred to the position of the corresponding hole tray hole under the roller, the seeds fall into the hole holes of the seedling tray under the action of the air flow and the self gravity along with the weakening of the negative pressure, and the seed throwing process is completed. The whole working process of the air-blowing seed supply drum-type seed sowing device can be divided into four stages of seed taking, seed cleaning, seed supplementing and seed throwing.
The present specification and figures are to be regarded as illustrative rather than restrictive, and it is intended that all such alterations and modifications that fall within the true spirit and scope of the invention, and that all such modifications and variations are included within the scope of the invention as determined by the appended claims without the use of inventive faculty.
Claims (7)
1. The utility model provides a tomato is blown drum-type seed metering device with gas, includes frame (5), seed metering mechanism and drive mechanism, its characterized in that, frame (5) on be provided with drive mechanism, be provided with seed metering mechanism in frame (5) of drive mechanism top, seed metering mechanism includes: the seed feeding device comprises a roller seed metering device (10), a multilayer seed metering box (1) and a seed feeding plate, wherein the multilayer seed metering box (1) is arranged at the upper end of the roller seed metering device (10), and a first layer seed feeding plate (3) and a second layer seed feeding plate (2) are arranged in the multilayer seed metering box (1).
2. An air-blowing roller type seed metering device for sowing tomatoes as claimed in claim 1, wherein the transmission mechanism comprises: converter, cave dish conveyer belt motor (8) and conveyer belt (4), cave dish conveyer belt motor top be provided with the epaxial double sprocket of conveyer belt, conveyer belt (4) and cave dish conveyer belt motor are connected to the epaxial double sprocket of conveyer belt, single sprocket is connected to the conveyer belt (4) other end, conveyer belt (4) are provided with check dog, set up cave dish (9) between the dog.
3. The air-blowing roller type seed metering device for tomato seeding according to claim 1, characterized in that the multi-layer seed metering box (1) is installed at one side of the roller, the side contacting with the roller adopts arc surface transition, and sliding chutes are adhered to the inner surfaces of the two sides of the multi-layer seed metering box (1).
4. An air-blowing roller type seed metering device for sowing tomatoes as claimed in claim 1 wherein the first seed supplying plate is mounted under a multi-layer seed box at an angle with respect to the roller, the first layer seed supplying plate (3) comprises a first seed guiding plate (13), the first seed guiding plate (13) is disposed at an end close to the roller, and the first seed guiding plate (13) has blowing holes (12) uniformly arranged therebetween.
5. An air-blowing roller type seed metering device for sowing tomatoes as claimed in claim 1 wherein the first layer seed supply plate (3) is further adhered with a positive pressure air chamber (14).
6. An air-blowing roller type seed metering device for sowing tomatoes as claimed in claim 1, wherein the second seed supply plate is mounted below the first seed supply plate (3) at an angle with the roller and parallel to the first seed supply plate (3), the second seed supply plate comprises a second seed guide plate (15) and an elastic seed scraper (16), the second seed guide plate (15) is arranged at a side close to the roller, and the elastic seed scraper (16) is adhered below the second seed guide plate (15).
7. An air-blowing roller type seed metering device for sowing tomatoes as claimed in claim 1, wherein the roller type seed metering device comprises: the self-aligning bearing is circumferentially provided with four rows of linear arranged strip-shaped vent grooves, the self-aligning bearing is sleeved with the roller, and the two ends of the roller are provided with the roller covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825213.6A CN110754178A (en) | 2018-07-25 | 2018-07-25 | Tomato is air-blowing drum-type seed metering device for seeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825213.6A CN110754178A (en) | 2018-07-25 | 2018-07-25 | Tomato is air-blowing drum-type seed metering device for seeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110754178A true CN110754178A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810825213.6A Withdrawn CN110754178A (en) | 2018-07-25 | 2018-07-25 | Tomato is air-blowing drum-type seed metering device for seeding |
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| Country | Link |
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| CN (1) | CN110754178A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112789967A (en) * | 2021-01-18 | 2021-05-14 | 中国农业大学 | Seed tape preparation device for directional seeding of corn |
| CN112880990A (en) * | 2021-01-11 | 2021-06-01 | 浙江理工大学 | A air-blowing supplies kind of stability testing arrangement for different seeds |
| CN114271076A (en) * | 2021-12-14 | 2022-04-05 | 华中农业大学 | Combined seed filling and seeding device |
-
2018
- 2018-07-25 CN CN201810825213.6A patent/CN110754178A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880990A (en) * | 2021-01-11 | 2021-06-01 | 浙江理工大学 | A air-blowing supplies kind of stability testing arrangement for different seeds |
| CN112789967A (en) * | 2021-01-18 | 2021-05-14 | 中国农业大学 | Seed tape preparation device for directional seeding of corn |
| CN112789967B (en) * | 2021-01-18 | 2021-12-24 | 中国农业大学 | A seed belt preparation device for corn directional sowing |
| CN114271076A (en) * | 2021-12-14 | 2022-04-05 | 华中农业大学 | Combined seed filling and seeding device |
| CN114271076B (en) * | 2021-12-14 | 2023-03-14 | 华中农业大学 | Combined seed filling and seeding device |
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Application publication date: 20200207 |