CN219146111U

CN219146111U - Negative pressure type small particle seed plug seeding device

Info

Publication number: CN219146111U
Application number: CN202223507506.0U
Authority: CN
Inventors: 赵艳; 梁艳丽; 周明旭; 翟晨曦; 袁成晓; 高青青; 向春繁; 李霞; 彭识; 杨生超
Original assignee: Yunnan Agricultural University
Current assignee: Yunnan Agricultural University
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-09
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to a negative pressure type small particle seed plug seeding device, belonging to the technical field of seeding equipment; the negative pressure type small particle seed tray seeding device comprises a support frame, a seed sucking tray, a rotating shaft, a support plate, a negative pressure box, a connecting pipe, an air suction pipe, a vacuum pump, a tray frame and a baffle plate; according to the utility model, the seed suction disc provided with the air suction holes can be overturned and arranged on the support frame, the negative pressure box is arranged at the bottom of the seed suction disc, seeds are adsorbed in the air suction holes through the vacuumizing effect of the vacuum pump on the negative pressure box, and the seeds are sown into the seed holes of the hole disc in a mode of overturned seed suction disc.

Description

Negative pressure type small particle seed plug seeding device

Technical Field

The utility model relates to a negative pressure type small particle seed plug seeding device, and belongs to the technical field of seeding equipment.

Background

The plug seedling is a common seeding and seedling raising mode in modern agricultural production, and has the advantages of regular seedling emergence, high survival rate, consistent seedling growth vigor, no root system injury during transplanting and the like. Chinese angelica is used as a common traditional Chinese medicine, in order to meet the use requirement, artificial planting of Chinese angelica is more and more common, and as the Chinese angelica is grown by seed, and seed particles of the Chinese angelica are smaller, the Chinese angelica is grown by plug seeding.

At present, most of commonly used plug-tray seeders are large-scale machines integrating pipeline operations such as soil loading, seeding and soil covering, and are suitable for large-scale industrialized seedling raising, the planting areas of Chinese angelica are often scattered, small-scale planting of farmers is mainly used, the traditional manual plug-tray seedling raising mode is low in production efficiency and high in labor intensity, but the large-scale plug-tray seeders are used for seeding, so that the problems of high production cost, inconvenience in equipment carrying and the like are caused.

Disclosure of Invention

In order to overcome the problems in the background technology, the utility model provides a negative pressure type small particle seed hole tray seeding device, which is characterized in that a seed suction tray provided with a suction hole is arranged on a support frame in a turnover way, a negative pressure box is arranged at the bottom of the seed suction tray, seeds are adsorbed in the suction hole through the vacuumizing effect of a vacuum pump on the negative pressure box, and the seeds are sowed into seed holes of the hole tray in a mode of turning over the seed suction tray.

In order to solve the problems, the utility model is realized by the following technical scheme:

the utility model provides a small granule seed cave dish seeder of negative pressure type includes support frame, seed sucking disc, pivot, extension board, negative pressure case, connecting pipe, breathing pipe, vacuum pump, cave dish frame, baffle, seed sucking disc can overturn through the pivot and install on the extension board, extension board fixed mounting is on the support frame, and seed sucking disc bottom is provided with the negative pressure case, and negative pressure case bottom intercommunication has the connecting pipe, and connecting pipe accessible breathing pipe is linked together with the vacuum pump, and the vacuum pump is installed on the support frame, seed sucking disc bottom is provided with the suction port that is linked together with the negative pressure case, and the position and the quantity phase-match of seed cave on the cave dish all, the baffle is still installed on seed sucking disc right side, and baffle and seed sucking disc right side wall form the seed putting groove of opening orientation seed sucking disc bottom, portable cave dish frame that is used for placing the cave dish that is provided with on the support frame.

Preferably, the tray frame comprises a bottom plate, connecting rods, positioning rods and rollers, wherein the bottom plate is used for supporting the tray, the connecting rods are fixedly installed on two sides of the bottom plate, the positioning rods are installed between two ends of the two connecting rods, the rollers are installed at two ends of the connecting rods, and the rollers are placed in sliding grooves formed in two sides of the top of the support frame.

Preferably, a limiting block is arranged at the position of the chute below the seed sucking disc, and when the roller is in contact with the limiting block, the position of the air suction hole after the seed sucking disc is overturned corresponds to the position of the seed hole on the hole tray.

Preferably, limiting plates are further arranged at the front end and the rear end of the seed sucking disc, limiting rods are arranged on the supporting frame, and the positions of the limiting rods correspond to the positions of the limiting plates after the seed sucking disc is turned over.

Preferably, the air suction holes on the seed suction disc are of a conical structure.

Preferably, the support plate is provided with a U-shaped groove, the rotating shaft is arranged in the U-shaped groove, and a limiting ring is arranged at the position of the rotating shaft, which is positioned outside the support plate.

The beneficial effects of the utility model are as follows:

according to the utility model, the seed suction disc provided with the air suction holes can be overturned and arranged on the support frame, the negative pressure box is arranged at the bottom of the seed suction disc, seeds are adsorbed in the air suction holes through the vacuumizing effect of the vacuum pump on the negative pressure box, and the seeds are sown into the seed holes of the hole disc in a mode of overturned seed suction disc.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a front cross-sectional view of the seed-sucking disc of the present utility model;

FIG. 3 is a schematic diagram showing the turnover state of the seed sucking disc of the present utility model;

FIG. 4 is a front cross-sectional view of the seed-sucking disc of the present utility model when it is turned over;

fig. 5 is an enlarged view of a portion a of fig. 3.

Reference numerals illustrate: 1-supporting frame, 2-seed sucking disc, 3-rotating shaft, 4-supporting plate, 5-negative pressure box, 6-connecting pipe, 7-air suction pipe, 8-vacuum pump, 9-tray frame, 10-baffle, 201-air suction hole, 202-seed placing groove, 11-tray, 901-bottom plate, 902-connecting rod, 903-positioning rod, 904-roller, 101-chute, 12-limiting block, 13-limiting plate, 14-limiting rod, 401-U-shaped groove and 15-limiting ring.

Detailed Description

In order to make the objects, technical solutions, and achievement of the objects and effects of the present utility model comprehensible, preferred embodiments accompanied with figures are described in detail below for understanding by a skilled person.

It should be noted that, in the description of the present utility model, unless explicitly specified or limited, terms such as "mounted," "connected," and the like are to be construed broadly and may be either fixed or removable; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium.

In the utility model, as shown in figures 1-5, the negative pressure type small particle seed tray seeding device comprises a support frame 1, a seed sucking tray 2, a rotating shaft 3, a support plate 4, a negative pressure box 5, a connecting pipe 6, an air suction pipe 7, a vacuum pump 8, a tray frame 9 and a baffle plate 10. The seed sucking disc 2 can be overturned and installed on the support plate 4 through the rotating shaft 3, the support plate 4 is fixedly installed on the support frame 1, and preferably, the support plate 4 is provided with a U-shaped groove 401, the rotating shaft 3 is arranged in the U-shaped groove 401, and a limiting ring 15 is arranged at the position of the rotating shaft 3 outside the support plate 4, so that the seed sucking disc 2 can be overturned smoothly and can not slide. The bottom of the seed sucking disc 2 is provided with a negative pressure box 5, the bottom of the negative pressure box 5 is communicated with a connecting pipe 6, the connecting pipe 6 can be communicated with a vacuum pump 8 through an air suction pipe 7, the vacuum pump 8 is arranged on a support frame 1, the bottom of the seed sucking disc 2 is provided with air suction holes 201 communicated with the negative pressure box 5, the positions and the number of the air suction holes 201 are matched with those of seed holes on a hole disc 11, the support frame 1 is movably provided with a hole disc frame 9 for placing the hole disc 11, the vacuum pump 8 can be communicated with the negative pressure box 5 by plugging the air suction pipe 7 onto the connecting pipe 6, so that the vacuum pump 8 can be used for vacuumizing the negative pressure box 5, seeds in the seed sucking disc 2 are adsorbed in the air suction holes 201, when the seed sucking disc 2 is turned downwards and the hole disc frame 9 is pushed to enable the hole disc 11 to be aligned with the seed sucking disc 2, the air suction pipe 7 is taken down, the negative pressure box 5 can be communicated with the atmosphere through the connecting pipe 6, the seeds in the hole 201 can be dropped into the seed holes of the hole disc 11, the seed sowing hole 11 can be simply, the seed sowing position is achieved, the time-saving sowing position is high, and one-time-saving sowing efficiency is achieved, and the sowing disc 11 can be completed accurately; preferably, the suction hole 201 on the seed-sucking disc 2 has a conical structure, so that seeds can fall into the suction hole 201 and be adsorbed during the process of turning up the seed-sucking disc 2. The right side of the seed suction disc 2 is also provided with the baffle 10, and the baffle 10 and the right side wall of the seed suction disc 2 form a seed placement groove 202 with an opening facing the bottom of the seed suction disc 2, so that the seed placement groove 202 is in an upward opening state after the seed suction disc 2 is turned downwards, the residual seeds which are not adsorbed by the air suction holes 201 can be temporarily stored in the seed placement groove 202, the seeds do not need to be added into the seed suction disc 2 frequently, the sowing efficiency can be effectively improved, and the labor intensity is reduced. The seeding device has compact structure, convenient use, convenient transportation and low production cost, and is suitable for the plug seedling seeding of small particle seeds such as angelica, rape and the like.

In the present utility model, as shown in fig. 1 and 3, the tray 9 includes a bottom plate 901, a connecting rod 902, a positioning rod 903, and a roller 904. The bottom plate 901 is used for supporting the tray 11, the connecting rods 902 are fixedly arranged on two sides of the bottom plate 901, the positioning rods 903 are arranged between two ends of the two connecting rods 902, the rollers 904 are arranged at two ends of the connecting rods 902, the rollers 904 are placed in the sliding grooves 101 arranged on two sides of the top of the support frame 1, so that the tray 11 can be moved through the rollers 904, the operation is simple and convenient, the placing position of the tray 11 can be positioned through the connecting rods 902 and the positioning rods 903 around the bottom plate 901, preferably, the limiting block 12 is arranged at the position of the sliding grooves 101 below the seed sucking disc 2, and when the rollers 904 are in contact with the limiting block 12, the position of the air sucking holes 201 after the turnover of the seed sucking disc 2 corresponds to the position of the seed sucking holes 201 on the tray 11, thereby ensuring that the positions of the seed sucking holes on the tray 11 correspond to the positions of the air sucking holes 201 after the turnover of the seed sucking disc 2, effectively improving the seeding accuracy, and ensuring that seeds in the air sucking holes 201 fall into the seed sucking holes.

Preferably, the front end and the rear end of the seed sucking disc 2 are also provided with limiting plates 13, the supporting frame 1 is provided with limiting rods 14, and the positions of the limiting rods 14 correspond to the positions of the limiting plates 13 after the seed sucking disc 2 is turned over, so that the turning over of the seed sucking disc 2 can be limited and positioned through the limiting rods 14, the turning over of the seed sucking disc 2 is stopped after the seed sucking disc 2 is turned over to a horizontal position, the seed sucking disc 2 and the plug tray 11 are in a parallel state, and the sowing accuracy can be effectively ensured.

The working process of the utility model comprises the following steps:

before sowing, firstly pouring seeds into the seed sucking disc 2, starting the vacuum pump 8, inserting the air suction pipe 7 onto the connecting pipe 6, vacuumizing the negative pressure box 5 through the vacuum pump 8, reciprocally rotating the seed sucking disc 2 to enable the seeds to fall into the air suction holes 201 and be adsorbed, turning the seed sucking disc 2 downwards clockwise by taking the rotating shaft 3 as a center as shown in fig. 1-4, stopping turning the seed sucking disc 2 when the limiting plate 13 contacts with the limiting rod 14, and temporarily storing the residual seeds which are not adsorbed by the air suction holes 201 in the seed placing groove 202; then the cavity tray 11 is placed in the cavity tray frame 9, the cavity tray frame 9 is pushed until the roller 904 is blocked by the limiting block 12, the cavity tray 11 is positioned below the seed sucking tray 2, then the air suction pipe 7 on the connecting pipe 6 is taken down, the negative pressure box 5 is communicated with the atmosphere through the connecting pipe 6, at the moment, seeds in the air suction holes 201 lose the adsorption force and naturally drop into seed holes of the cavity tray 11, and then the sowing of one cavity tray 11 is completed. Then, the air suction pipe 7 is plugged onto the connecting pipe 6 again, the seed suction disk 2 is turned upwards anticlockwise by taking the rotating shaft 3 as the center, and seeds in the seed placement groove 202 fall back into the seed suction disk 2, so that the sowing flow of the next plug 11 can be started.

Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.

Claims

1. A negative pressure type small particle seed plug seeding device is characterized in that: the negative pressure type small particle seed hole tray seeding device comprises a supporting frame (1), a seed sucking tray (2), a rotating shaft (3), a support plate (4), a negative pressure box (5), a connecting pipe (6), an air suction pipe (7), a vacuum pump (8), a hole tray frame (9) and a baffle plate (10), wherein the seed sucking tray (2) is installed on the support plate (4) in a reversible manner through the rotating shaft (3), the support plate (4) is fixedly installed on the supporting frame (1), the negative pressure box (5) is arranged at the bottom of the seed sucking tray (2), the connecting pipe (6) is communicated with the connecting pipe (6), the connecting pipe (6) can be communicated with the vacuum pump (8) through the air suction pipe (7), the vacuum pump (8) is installed on the supporting frame (1), the bottom of the seed sucking tray (2) is provided with holes (201) which are communicated with the negative pressure box (5), the positions and the numbers of the seed sucking holes on the hole tray (11), the baffle plate (10) are also installed on the right side of the seed sucking tray (2), the baffle plate (10) is communicated with the seed sucking tray (2) towards the bottom opening of the seed sucking tray (2), the support frame (1) is movably provided with a plug tray frame (9) for placing plug trays (11).

2. The negative pressure type small particle seed tray seeding device according to claim 1, wherein: the plug tray frame (9) comprises a bottom plate (901), connecting rods (902), positioning rods (903) and rollers (904), wherein the bottom plate (901) is used for supporting plug trays (11), the connecting rods (902) are fixedly arranged on two sides of the bottom plate (901), the positioning rods (903) are arranged between two ends of the two connecting rods (902), the rollers (904) are arranged at two ends of the connecting rods (902), and the rollers (904) are arranged in sliding grooves (101) arranged on two sides of the top of the supporting frame (1).

3. A negative pressure type small particle seed tray seeding device according to claim 2, wherein: the chute (101) is provided with a limiting block (12) at the position below the seed sucking disc (2), and when the roller (904) is contacted with the limiting block (12), the position of the air suction hole (201) after the seed sucking disc (2) is overturned corresponds to the position of the seed sowing hole on the hole tray (11).

4. A negative pressure small particle seed tray seeding apparatus according to claim 1 or 3, wherein: limiting plates (13) are further arranged at the front end and the rear end of the seed sucking disc (2), limiting rods (14) are arranged on the supporting frame (1), and the positions of the limiting rods (14) correspond to the positions of the limiting plates (13) after the seed sucking disc (2) is turned over.

5. The negative pressure type small particle seed tray seeding device according to claim 1, wherein: the suction holes (201) on the seed suction disc (2) are of a conical structure.

6. A negative pressure small particle seed tray seeding apparatus according to claim 1 or 5, wherein: the support plate (4) is provided with a U-shaped groove (401), the rotating shaft (3) is arranged in the U-shaped groove (401), and a limiting ring (15) is arranged at the position, located outside the support plate (4), of the rotating shaft (3).