CN220383560U - Pneumatic type pinellia ternate precision seeder - Google Patents
Pneumatic type pinellia ternate precision seeder Download PDFInfo
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- CN220383560U CN220383560U CN202320288169.6U CN202320288169U CN220383560U CN 220383560 U CN220383560 U CN 220383560U CN 202320288169 U CN202320288169 U CN 202320288169U CN 220383560 U CN220383560 U CN 220383560U
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- 241001522129 Pinellia Species 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 241000721671 Ludwigia Species 0.000 claims abstract description 40
- 238000010899 nucleation Methods 0.000 claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000009331 sowing Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
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- 208000000461 Esophageal Neoplasms Diseases 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 206010025323 Lymphomas Diseases 0.000 description 1
- 208000000453 Skin Neoplasms Diseases 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 208000005718 Stomach Neoplasms Diseases 0.000 description 1
- 206010062129 Tongue neoplasm Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 201000004101 esophageal cancer Diseases 0.000 description 1
- 206010017758 gastric cancer Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- 231100000397 ulcer Toxicity 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a pneumatic pinellia ternate precision planter, which comprises a vibration seed supply mechanism, a pneumatic seeding mechanism and a missing seeding detection and seed feeding mechanism. The vibration seed supply mechanism mainly comprises a pneumatic vibrator, a seed box outer plate, a seed box side plate, a seed box outer plate fixing buckle and the like, and the mechanism completes the vibration seed supply process of seeds in the seed box and the process of cleaning redundant seeds in the seed suction holes; the pneumatic sowing mechanism mainly comprises a sowing plate, a negative pressure plate, a sowing shaft, a negative pressure cavity, a sensor fixing hole, a sowing mechanism fixing hole, a negative pressure cavity bulge and the like, and mainly completes the processes of seed suction and seed carrying of the sowing device; the intelligent miss-seeding detection and seed feeding mechanism mainly comprises a laser sensor, a seed feeding mechanism and the like, wherein the seed feeding mechanism comprises a fixed bolt, a seed feeding ejector rod, a compression spring and the like, and the functions of miss-seeding detection and fixed-point seed feeding of the seeder are realized. The utility model discloses simple structure, the suitability is strong, and production efficiency is high, saves the labour, has popularization and application prospect.
Description
Technical Field
The utility model relates to a pneumatic pinellia ternate precision planter belongs to the agricultural machine field.
Background
Pinellia ternate is also known as Di Yu, hu Tian, etc., and belongs to the genus pinellia of the order Araceae, the order Araceae. Has the functions of eliminating dampness and phlegm, calming adverse-rising energy, preventing vomiting, relieving cough and resisting ulcer, and clinically, the pinellia tuber has better curative effect on esophagus cancer, stomach cancer, tongue cancer, skin cancer, malignant lymphoma and the like. Along with the rapid development of the traditional Chinese medicine industry, the planting area and yield of pinellia ternate are continuously increased, and the problem of mechanized equipment for corresponding matched production is also continuously highlighted. At present, no agricultural mechanical equipment matched with pinellia tuber production is planted in hilly areas, most of precision seeding operation links adopt traditional manual operation, 1 grain/hole is difficult to ensure in the seeding process, and the phenomenon of seed waste is caused. Because the level of mechanized equipment is very low, the labor intensity is high, the operation quality is low, the production cost is increased, and the sustainable development of the mechanized planting of the pinellia ternate cannot be realized. To above problem, the utility model provides a pneumatic pinellia ternate precision planter can accomplish the precision seeding of field pinellia ternate operation to real-time supervision seeding effect provides accurate data for follow-up reseeding operation, improves seeding quality, reduces the labour, reduces seed volume of sowing, reduction in production cost.
Disclosure of Invention
The utility model aims to solve the technical problems that: the utility model provides a pneumatic type pinellia ternate precision planter for solve present chinese-medicinal material pinellia ternate production in-process, artifical broadcast sowing causes the seed extravagant serious, and later stage field management intensity of labour is big, and production efficiency and operation quality are low, can't realize standardized operation, are unfavorable for the problem of the high-quality production of pinellia ternate.
The technical proposal of the utility model is that: the pneumatic pinellia ternate precision seeder is characterized by comprising a vibration seed supply mechanism, a pneumatic seeding mechanism and an intelligent missing seeding detection and seed feeding mechanism, wherein the vibration seed supply mechanism is arranged at the forefront end of a seed metering device and is fixed in a seed filling area at the left side of an outer bracket of the seed metering device through bolts; the air suction seeding mechanism is arranged at the rear end of the seed metering device, is fixedly arranged right behind an outer bracket of the seed metering device through bolt connection, and is matched with the vibration seed supply mechanism to finish the operations of seed filling, seed carrying and seed cleaning; the seed missing detection and feeding mechanism is arranged on the right side of the negative pressure plate, wherein the seed missing detection mechanism is fixed on the negative pressure plate through a self-threading manner and is arranged at the upper end of the negative pressure air chamber, and the seed feeding mechanism is arranged at the lower end of the negative pressure air chamber through a threading manner on the negative pressure plate.
The vibration seed supply mechanism mainly comprises a pneumatic vibrator, a seed box outer plate, a seed box side plate, a seed box outer plate fixing buckle, a seed cleaning port, an outer bracket and a sensor light-transmitting port; the pneumatic vibrator is fixed on the outer plate of the seed box; the seed box side plates are respectively fixed at the opening of the outer bracket, and the gap between the seed box side plates and the seed metering disc is 0.5mm; the seed box side plate at one side of the clockwise rotation of the seed metering disc is provided with a seed cleaning port, so that redundant seeds in the seed suction holes are cleaned, and only one seed is reserved in one seed suction hole; the outer plate of the seed metering device is fixedly buckled on the side plate of the seed metering device through symmetrical outer plates of the seed box; the outer bracket and the negative pressure plate are fixed through four bolts; and a sensor light-passing hole which is directly 8mm is reserved on the outer support, so that the laser sensor can accurately identify missing seeding of the seeding apparatus.
The air suction sowing mechanism mainly comprises a seed metering disc, a seed suction hole, a negative pressure plate, a quick connector, a seed metering shaft, a negative pressure cavity, a negative pressure hole, a sensor fixing hole, a seed feeding mechanism fixing hole and a negative pressure cavity bulge; the thickness of the seed metering disc is 5mm, 30 seed suction holes are uniformly formed in the seed metering disc, the structures on two sides of each seed suction hole are in an inverted cone shape, and the cone height is 2.5mm; the seed metering disc is fixed on the negative pressure plate through a seed metering shaft and is tightly attached to the negative pressure cavity, so that the tightness in the negative pressure cavity is ensured; the negative pressure plate is provided with a negative pressure cavity, a negative pressure cavity bulge, 3 negative pressure holes, a seed feeding mechanism fixing hole and a sensor fixing hole; a bearing seat is arranged on the negative pressure plate, and a seed shaft is fixed in the bearing; the negative pressure cavity is arranged in the negative pressure cavity bulge, and the negative pressure cavity bulge is in direct contact with the seed metering disc; the 3 negative pressure holes are uniformly formed in the negative pressure cavity, and 1 quick connector is fixed in each negative pressure hole respectively, so that the negative pressure cavity is convenient to connect with a negative pressure air pump.
The intelligent miss-seeding detection and seed feeding mechanism mainly comprises a laser sensor and a seed feeding mechanism; the laser sensor is fixed in the sensor fixing hole on the negative pressure cavity and is positioned at a position after seed cleaning operation of the side plate of the seed metering device, so that the detection of seeds in the seed suction hole is realized after the completion of seed cleaning in the seed suction hole, the statistics of the seeding performance of the seed metering device is facilitated, and the monitoring of a missing seeding signal is provided for the subsequent seed supplementing operation; the seed feeding mechanism consists of a fixed bolt, a seed feeding ejector rod and a compression spring; the fixing bolt is fixed in a fixing hole of the seed feeding mechanism on the negative pressure plate; the compression spring is arranged in the seed throwing ejector rod, and the outermost end of the compression spring is contacted with the fixing bolt; the front section of the seed throwing ejector rod is arc-shaped, and the diameter of the arc is smaller than the diameter of the outer end of the conical structure of the seed suction hole, so that the seed throwing ejector rod is convenient for cleaning seeds in the seed suction hole; the front section of the seed feeding ejector rod is arc-shaped, and a compression spring is arranged in the front section of the seed feeding ejector rod, so that the situation that clamping and seed feeding are unsuccessful when the seed metering disc rotates can be avoided.
The diameter of the seed cleaning opening on the seed box side plate is matched with the diameter of the seeds, so that only one seed is required to be cleaned in the seed suction holes, and the seed box side plate on the side can be selected and adjusted according to the diameter of the seeds to be sowed; the fixed knot of seed case planking is fixed to have 0.5mm clearance between seed case planking and the seed case curb plate to and fixed knot has 1 mm's activity between the seed case curb plate, guarantees that pneumatic vibrator during operation, seed in the seed case obtains certain motion power.
The negative pressure plate is made of teflon, has the functions of wear resistance and high tightness, is also beneficial to punching straight holes and threaded holes, and is convenient for fixing a quick connector, a laser sensor and a seed feeding mechanism; the conical structures at two sides of the seed sucking hole are asymmetric, the conical structure at one side, which is contacted with seeds, is matched with the diameter of the seeds and the seed cleaning opening on the side plate of the seed box, so that the seed sucking hole can only accommodate one seed at most, the conical structure at one side, which is contacted with the seed feeding mechanism, is matched with the circular arc at the front section of the seed feeding structure, and the seed metering disc can smoothly pass through the seed sucking hole.
The outer diameter of the seed throwing ejector rod is smaller than the diameter of the fixing hole of the seed throwing mechanism, so that the seed throwing mechanism can be smoothly compressed into the fixing hole when the seed metering disc rotates to a position which is not the seed sucking hole.
The utility model discloses technical scheme beneficial effect: the pneumatic pinellia ternate precision seeder of the technical proposal of the utility model, wherein the vibration seed supply mechanism can complete the seed filling function of spheroidal or abnormal seeds, thereby ensuring high seed filling qualification rate; the pneumatic precision seeder can be matched with the precision seeder of crops such as potatoes, vegetables, flowers and the like, and has wide application prospect.
The utility model discloses a pneumatic seeding mechanism, wherein leak and broadcast detection mechanism, can realize quick location and inhale kind dish leak and broadcast the position, can be for follow-up reseeding mechanism feedback signal, this detection method also can be used to the wheeled disseminator of nest eye and pneumatic drum-type disseminator, and this laser sensor can integrate PLC, singlechip and embedded module, convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from the structures shown in these drawings without the need for inventive efforts to those skilled in the art.
FIG. 1 is a schematic diagram of a practical pneumatic pinellia ternate precision seed sowing device;
FIG. 2 is a front view of the present pneumatic pinellia ternate precision seed metering device;
FIG. 3 is a right side view of the present pneumatic pinellia ternate precision seed metering device;
FIG. 4 is an isometric view of the present pneumatic pinellia ternate precision seed metering device;
FIG. 5 is an isometric view of the negative pressure plate of the present utility model;
FIG. 6 is a front view of the negative pressure plate of the present utility model;
FIG. 7 is a schematic view of the practical seed feeding mechanism;
the realization, functional characteristics and advantages of the present utility model will be further described with reference to the embodiments, referring to the accompanying drawings.
Detailed Description
The technical solutions of the present embodiments will be clearly and completely described below with reference to the drawings in the present embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments herein, which would be within the purview of one of ordinary skill in the art without the creative effort, are contemplated as falling within the scope of the present utility model.
The utility model provides a pneumatic pinellia ternate precision planter.
Referring to fig. 1, a pneumatic pinellia ternate precision planter in an embodiment of the present utility model mainly includes a pneumatic pinellia ternate precision planter, and is characterized in that the pneumatic pinellia ternate precision planter mainly includes a vibration seed supply mechanism 1, a pneumatic seeding mechanism 2, and a miss-seeding detection and seed feeding mechanism 3.
Referring to fig. 2-6, the vibration seed feeding mechanism 1 of the present embodiment mainly comprises a pneumatic vibrator 1.1, a seed box outer plate 1.2, a seed box side plate 1.3, a seed box outer plate fixing buckle 1.4, a seed cleaning port 1.5, an outer bracket 1.6, a sensor light-transmitting port 1.7, and the like.
The pneumatic vibrator 1.1 is fixed on the outer side of the seed box outer plate 1.2; the seed box side plates 1.3 are left and right 2 pieces and are respectively fixed at the opening of the outer bracket 1.6, the gap between the seed box side plates 1.3 and the seed metering disc 2.1 is 0.5mm, the seeds in the seed box are prevented from falling out, and the seed metering disc 2.1 is ensured to smoothly rotate; the seed box side plate 1.3 on one side of the seed metering disc 2.1 rotating clockwise is provided with a seed cleaning port 1.5, so that redundant seeds in the seed suction holes are cleaned, one seed suction hole 2.2 is ensured to be reserved with one seed, and precision sowing is realized; the outer plate 1.3 of the seed sowing device is connected with the side plate 1.3 of the seed sowing device through symmetrical outer plate fixing buckles 1.4 of the seed box; the outer bracket 1.6 is fixed with the negative pressure plate 2.3 through four bolts, so that the seed box and the pneumatic sowing mechanism 2 are tightly fixed; the outer support 1.6 is reserved with a sensor light-transmitting hole 1.7 which is directly 8mm, so that the laser sensor 3.1 can accurately identify missing seeding of the seeding apparatus.
Referring to fig. 2-6, the air suction sowing mechanism 2 mainly comprises a seed metering disc 2.1, a seed suction hole 2.2, a negative pressure plate 2.3, a quick connector 2.4, a seed metering shaft 2.5, a negative pressure cavity 2.6, a negative pressure hole i 2.7, a negative pressure hole ii 2.8, a negative pressure hole iii 2.9, a sensor fixing hole 2.10, a seed feeding mechanism fixing hole 2.11, a negative pressure cavity protrusion 2.12 and the like.
The thickness of the seed metering disc 2.1 is 5mm, 30 seed suction holes 2.2 are uniformly formed in the seed metering disc 2.1, the structures on two sides of each seed suction hole 2.2 are in an inverted cone shape, and the cone height is 2.5mm; the seed metering disc 2.1 is fixed on the front side of the negative pressure plate 2.3 through a seed metering shaft 2.5 and is tightly attached to the negative pressure cavity 2.6, so that the tightness in the negative pressure cavity 2.6 is ensured; the negative pressure plate 2.3 is provided with a negative pressure cavity 2.6, a negative pressure cavity bulge 2.12, 3 negative pressure holes 2.7-2.9, a seed feeding mechanism fixing hole 2.11 and a sensor fixing hole 2.10; a bearing seat is arranged on the negative pressure plate 2.3, and a seed sowing shaft 2.5 is fixed in the bearing; the negative pressure cavity 2.6 is arranged in the negative pressure cavity bulge 2.12, and the negative pressure cavity bulge 2.12 is in direct contact with the seed metering disc 2.1; the 3 negative pressure holes 2.7-2.9 are uniformly arranged in the negative pressure cavity 2.6, and each negative pressure hole is internally provided with 1 quick connector 2.4 respectively, so that the negative pressure air pump is convenient to connect with.
Referring to fig. 2-7, the intelligent missed seeding detection and seed feeding mechanism 3 mainly comprises a laser sensor 3.1, a seed feeding mechanism 3.2 and the like; the laser sensor 3.1 is fixed in a sensor fixing hole 2.10 in the negative pressure cavity 2.6 and is positioned at a position after seed cleaning operation of the side plate 1.3 of the seed metering device, so that after seed cleaning in the seed suction hole is detected, the seeds in the seed suction hole 2.2 are detected, the seeding performance of the seed metering device is conveniently counted, and a missing seeding signal monitoring is provided for subsequent seed supplementing operation; the seed feeding mechanism 3.2 consists of a fixed bolt 3.2.1, a seed feeding ejector rod 3.2.2, a compression spring 2.2.3 and the like; the fixing bolt 3.2.1 is fixed in a fixing hole 2.11 of the seed feeding mechanism on the negative pressure plate 2.3; the compression spring 3.2.3 is arranged in the seed feeding ejector rod 3.2.2, and the outermost end of the compression spring is contacted with the fixing bolt 3.2.1; the front section of the seed throwing ejector rod 3.2.2 is arc-shaped, and the diameter of the arc is smaller than the diameter of the outer end of the conical structure of the seed sucking hole 2.2, so that the seed throwing ejector rod 3.2.2 can clean seeds in the seed sucking hole 2.2 conveniently; the front section of the seed feeding ejector rod 3.2.2 is arc-shaped, and the compression spring 3.2.3 is arranged in the seed feeding ejector rod, so that the situation that clamping and seed feeding are unsuccessful when the seed metering disc 2.1 rotates can be avoided.
Referring to fig. 1-7, the working principle of the pneumatic pinellia ternate precision seeder in the embodiment of the utility model is as follows:
putting proper amount of seeds into a seed box, switching on a pneumatic vibrator 1.1, adjusting the working frequency of the pneumatic vibrator to enable seeds in the seed box to be active, adjusting the negative pressure of the seeds to be absorbed, inputting external power into a seed metering shaft 2.5, driving a seed metering disc 2.1 by the seed metering shaft 2.5 to start rotating, starting absorbing the seeds after the seed absorbing holes 2.2 on the seed metering disc 2.1 enter the seed box, starting absorbing the seeds when the seed absorbing holes 2.2 absorb various seeds and move to a seed cleaning port 1.5 on a side plate 1.3 of the seed box, ensuring that only one seed is reserved in the seed absorbing holes 2.2, enabling the seeds to be contained in the seed absorbing holes 2.2 when the seed metering disc 2.2 rotates to rotate to a laser sensor 3.1, enabling signals of the laser sensor 3.1 to be closed, enabling the absorbed seeds to be not contained in the seed absorbing holes 2.2.2 to be switched on when the signals of the laser sensor 3.1 are switched on, recording positions of the absorbed seeds, enabling the seeds to be absorbed in the seed absorbing holes 2.2.2.2 to be pushed out of a spring 2.2.2, and enabling the seeds to be forced to be absorbed in the seed absorbing holes 2.2.2.2 to be pushed out, and preventing the seeds from being forced to be absorbed in the seed holes 2.2.2.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the present specification and the accompanying drawings, or the direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The pneumatic pinellia ternate precision seeder is characterized by comprising a vibration seed supply mechanism, a pneumatic seeding mechanism and an intelligent missing seeding detection and seed feeding mechanism, wherein the vibration seed supply mechanism is arranged at the forefront end of a seed metering device and is fixed in a seed filling area at the left side of an outer bracket of the seed metering device through bolts; the air suction seeding mechanism is arranged at the rear end of the seed metering device, is fixedly arranged right behind an outer bracket of the seed metering device through bolt connection, and is matched with the vibration seed supply mechanism to finish the operations of seed filling, seed carrying and seed cleaning; the seed missing detection and feeding mechanism is arranged on the right side of the negative pressure plate, wherein the seed missing detection mechanism is fixed on the negative pressure plate through self-threading, is arranged at the upper end of the negative pressure air chamber, and is arranged at the lower end of the negative pressure air chamber through threading on the negative pressure plate.
2. The pneumatic pinellia tuber precision planter according to claim 1, wherein the vibration seed supply mechanism mainly comprises a pneumatic vibrator, a seed box outer plate, a seed box side plate, a seed box outer plate fixing buckle, a seed cleaning port, an outer bracket and a sensor light-transmitting port; the pneumatic vibrator is fixed on the outer plate of the seed box; the seed box side plates are respectively fixed at the opening of the outer bracket, and the gap between the seed box side plates and the seed metering disc is 0.5mm; the seed box side plate at one side of the clockwise rotation of the seed metering disc is provided with a seed cleaning port, so that redundant seeds in the seed suction holes are cleaned, and only one seed is reserved in one seed suction hole; the outer plate of the seed metering device is fixedly buckled on the side plate of the seed metering device through symmetrical outer plates of the seed box; the outer bracket and the negative pressure plate are fixed through four bolts; and a sensor light-passing hole which is directly 8mm is reserved on the outer support, so that the laser sensor can accurately identify missing seeding of the seeding apparatus.
3. The pneumatic pinellia ternate precision seeder of claim 1, wherein the air suction seeding mechanism mainly comprises a seed metering disc, a seed suction hole, a negative pressure plate, a quick connector, a seed metering shaft, a negative pressure cavity, a negative pressure hole, a sensor fixing hole, a seed feeding mechanism fixing hole and a negative pressure cavity bulge; the thickness of the seed metering disc is 5mm, 30 seed suction holes are uniformly formed in the seed metering disc, the structures on two sides of each seed suction hole are in an inverted cone shape, and the cone height is 2.5mm; the seed metering disc is fixed on the negative pressure plate through a seed metering shaft and is tightly attached to the negative pressure cavity, so that the tightness in the negative pressure cavity is ensured; the negative pressure plate is provided with a negative pressure cavity, a negative pressure cavity bulge, 3 negative pressure holes, a seed feeding mechanism fixing hole and a sensor fixing hole; a bearing seat is arranged on the negative pressure plate, and a seed shaft is fixed in the bearing; the negative pressure cavity is arranged in the negative pressure cavity bulge, and the negative pressure cavity bulge is in direct contact with the seed metering disc; the 3 negative pressure holes are uniformly formed in the negative pressure cavity, and 1 quick connector is fixed in each negative pressure hole respectively, so that the negative pressure cavity is convenient to connect with a negative pressure air pump.
4. The pneumatic pinellia tuber precision planter according to claim 1, wherein the intelligent miss-seeding detection and seed feeding mechanism mainly comprises a laser sensor and a seed feeding mechanism; the laser sensor is fixed in the sensor fixing hole on the negative pressure cavity and is positioned at a position after seed cleaning operation of the side plate of the seed metering device, so that the detection of seeds in the seed suction hole is realized after the completion of seed cleaning in the seed suction hole, the statistics of the seeding performance of the seed metering device is facilitated, and the monitoring of a missing seeding signal is provided for the subsequent seed supplementing operation; the seed feeding mechanism consists of a fixed bolt, a seed feeding ejector rod and a compression spring; the fixing bolt is fixed in a fixing hole of the seed feeding mechanism on the negative pressure plate; the compression spring is arranged in the seed throwing ejector rod, and the outermost end of the compression spring is contacted with the fixing bolt; the front section of the seed throwing ejector rod is arc-shaped, and the diameter of the arc is smaller than the diameter of the outer end of the conical structure of the seed suction hole, so that the seed throwing ejector rod is convenient for cleaning seeds in the seed suction hole; the front section of the seed feeding ejector rod is arc-shaped, and a compression spring is arranged in the front section of the seed feeding ejector rod, so that the situation that clamping and seed feeding are unsuccessful when the seed metering disc rotates can be avoided.
5. The pneumatic pinellia ternate precision planter according to claim 2, wherein the seed cleaning opening on the seed box side plate is matched with the seed diameter, so that only one seed in the cleaned seed suction hole is ensured, and the seed box side plate on the side can be selected and adjusted according to the seed sowing diameter; the fixed knot of seed case planking is fixed to have 0.5mm clearance between seed case planking and the seed case curb plate to and fixed knot has 1 mm's activity between the seed case curb plate, guarantees that pneumatic vibrator during operation, seed in the seed case obtains certain motion power.
6. The pneumatic pinellia tuber precision planter according to claim 2, wherein the negative pressure plate is made of teflon, and has the functions of wear resistance and high sealing property, and the negative pressure plate is also beneficial to punching straight holes and threaded holes, so that a quick connector, a laser sensor and a seed feeding mechanism are convenient to fix; the conical structures at two sides of the seed sucking hole are asymmetric, the conical structure at one side, which is contacted with seeds, is matched with the diameter of the seeds and the seed cleaning opening on the side plate of the seed box, so that the seed sucking hole can only accommodate one seed at most, the conical structure at one side, which is contacted with the seed feeding mechanism, is matched with the circular arc at the front section of the seed feeding structure, and the seed metering disc can smoothly pass through the seed sucking hole.
7. The pneumatic pinellia tuber precision planter according to claim 4, wherein the outer diameter of the seed feeding ejector rod is smaller than the diameter of the fixing hole of the seed feeding mechanism, so that the seed feeding mechanism can be smoothly compressed into the fixing hole when the seed metering disc rotates to a position other than the seed suction hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288169.6U CN220383560U (en) | 2023-02-22 | 2023-02-22 | Pneumatic type pinellia ternate precision seeder |
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| CN202320288169.6U CN220383560U (en) | 2023-02-22 | 2023-02-22 | Pneumatic type pinellia ternate precision seeder |
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| CN220383560U true CN220383560U (en) | 2024-01-26 |
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| CN202320288169.6U Active CN220383560U (en) | 2023-02-22 | 2023-02-22 | Pneumatic type pinellia ternate precision seeder |
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