CN114667829A - A telescopic sleeve rod type precision seed picker - Google Patents

Abstract

The invention discloses a telescopic sleeve rod type precision seed picker, which comprises a frame, at least one seed picking unit is arranged on the frame, and the seed picking unit includes a seed box, a seed guide box, a seed picking assembly, and the seed guide box It is arranged on the front side of the seed box, and the seed-taking assembly is arranged in the inner cavity of the seed box; the seed-taking assembly includes a transmission wheel, and the transmission wheel is rotatably installed in the seed box. A seed taking hole is opened on the side wall near the outer end, and a sleeve is slidably sleeved on the seed taking rod. Each sleeve reciprocates and slides along the axial direction of the corresponding seed-taking rod, so that the seed-taking holes on the seed-taking rod are gradually closed and gradually opened. Compared with the prior art, the invention has the following advantages: accurate single-grain extraction of round-shaped large-grained seeds is realized, and the seed-taking rod can be conveniently and quickly replaced according to the size of the seeded grains.

Description

A telescopic sleeve rod type precision seed picker

technical field

The invention relates to the technical field of agricultural machinery, in particular to a telescopic sleeve rod type precision seed picker.

Background technique

The mechanized precision sowing of large seeds is an important part of its mechanized production process. The mechanized precision sowing requires ensuring that the seeds are reasonably distributed in the field, the plant spacing is uniform, and the amount of seeds taken is accurate. During the sowing process, the problems of re-seeding and missed sowing are avoided, and at the same time, the The damage to the seeds, so the quality of the seed picking device plays a decisive role in the sowing effect. The current large-seed seed picker still has problems such as low seed picking accuracy, unstable operation, poor adaptability of seed picking objects, and poor generality of seed picking components during the operation process. Due to the complexity of the structural design of the seeding device, the replacement process of the seeding components is cumbersome, which reduces the use efficiency of the seeding device and increases the labor intensity. Quality and adaptability, meet the needs of fast and accurate seed picking of different types of large seeds, and enhance the versatility, reliability and efficiency of seeding devices, which are of great significance for the development and application of mechanized crop planting.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a telescopic sleeve rod type precision seed picker, so as to realize the accurate extraction of a single seed of quasi-circular large seeds, and at the same time, according to the needs of the size of the sowing seeds It is convenient and quick to replace the seed rod, and realize the precise selection of seeds of different sizes and sizes.

The present invention is achieved through the following technical solutions:

A telescopic sleeve rod type precision seed picker, comprising a frame on which at least one seed picking unit is arranged, the seed picking unit comprising a seed box, a seed guide box, a seed picking assembly, and a seed guide box It is arranged on the front side of the seed box, the inner cavity of the seed guide box is communicated with the inner cavity of the seed box, and the seed taking component is arranged in the inner cavity of the seed box;

The seed-taking assembly includes a transmission wheel, the transmission wheel is rotatably installed in the seed box through the transmission shaft, the transmission shaft extends in the left-right direction, the transmission wheel is provided with a plurality of seed-taking rods along the circumferential direction, and the seed-taking rods are detachably installed on the transmission wheel. The seed-taking rod extends outward along the radial direction of the transmission wheel, and a seed-taking hole is opened on the side wall of the seed-taking rod close to the outer end, and a sleeve is slidably sleeved on each seed-taking rod, and a plurality of sleeves pass through a The combined opening and closing mechanism is connected to realize linkage, so that during the rotation of the plurality of seed-taking rods with the transmission wheel, each sleeve reciprocates along the axial direction of the corresponding seed-taking rods, and the seed-taking rods rotate from the bottom to the top. During the process, the sleeve on the seed-taking rod gradually slides outward from the inner limit position to the outer limit position, so as to realize the gradual closing of the seed-taking hole on the seed-taking rod, so that the seed-taking hole can be taken from the seed box; When the seed rod rotates from top to bottom, the sleeve on the seed rod gradually slides inward from the outer limit position to the inner limit position, so as to realize the gradual opening of the seed hole on the seed rod, so as to realize the seed hole. The seeds fall into the seed box.

As a preferred solution of the above-mentioned seed picker, the opening and closing mechanism includes a mounting plate, a mounting rod, a plurality of connecting rods, and a plurality of connecting rods. It is fixed on the mounting plate and is eccentrically arranged with respect to the axis of the mounting plate, and a plurality of connecting rods are fixed on the outside of the plurality of sleeves in a one-to-one correspondence and extend along the radial direction of the sleeves. On the rod, the other ends of the plurality of connecting rods are rotated and sleeved on the plurality of connecting rods in a one-to-one correspondence. During the process of one rotation of the seed rod with the transmission wheel, the sleeve is completed along the axial direction of the corresponding seed rod. Swipe back and forth once.

As a preferred solution of the above-mentioned seed picker, the outer side wall of the transmission wheel is provided with a plurality of mounting holes along the circumferential direction, and the inner ends of the plurality of seed picking rods are installed into the plurality of mounting holes in a one-to-one correspondence, and the inner ends of the seed picking rods and the mounting holes Interference fit.

As a preferred solution of the above-mentioned seed extractor, in the opening and closing mechanism, the lengths of the plurality of connecting rods are the same.

As a preferred solution of the above-mentioned seed picker, the outer cover of the transmission wheel is provided with a protective cover body, the protective cover body is cylindrical with one end closed and the other end open, the protective cover body is fixed on the transmission shaft, and the side wall of the protective cover body is in the shape of a cylinder. The upper part is provided with a plurality of perforations for a plurality of seed-taking rods to protrude outwards. The open end of the protective cover is provided with a protective cover. The protective cover and the protective cover are empty sleeves, and the protective cover is fixed on the seed. inside the box.

As a preferred solution of the above-mentioned seed picker, an installation post is provided on the inner side of the protective cover, and the other end of the installation rod is inserted into the inner hole of the installation post.

As a preferred solution of the above-mentioned seed taker, the front side of the seed box is provided with a seed take-out outlet, the two sides of the seed take-out outlet on the front side of the seed box are respectively provided with vertical slots, the rear side of the seed guide box is open, and the seed guide box is open. There are vertical inserts on both sides of the open end on the rear side, respectively inserted into the two vertical slots through the two vertical inserts, and supported on the seed box by the limit plates on the top of the two vertical inserts At the top, the detachable connection between the seed guide box and the seed box is realized.

As a preferred solution of the above seed picker, the frame is provided with two seed picking units arranged at left and right intervals, the two seed picking units share a transmission shaft, and the middle section of the transmission shaft is fixedly sleeved with a transmission gear, which is driven by the transmission gear. The drive shaft rotates.

As a preferred solution of the above seed picker, the seed pick rod is in the shape of a stepped shaft with a small inner section and a large outer section.

Compared with the prior art, the present invention has the following advantages:

The present invention provides a telescopic sleeve rod type precision seed picker, which ingeniously designs the structure of the seed picking assembly, and drives a plurality of seed picking rods in the circumferential direction to rotate together through the rotating transmission wheel, and is opened and closed by opening and closing. The mechanism drives each sleeve to slide axially reciprocatingly on the corresponding seed-taking rod, which realizes the gradual opening and closing of the seed-taking hole on the seed-taking rod, thereby realizing the accurate extraction of a single seed of large-sized round seeds; Each seed-taking rod can be detachably installed on the transmission wheel, and the seed-taking rod can be easily and quickly replaced according to the needs of the size of the sowing grains, which realizes the precise selection of seeds of different sizes and sizes, and improves the accuracy of different types of round-shaped seeds. The quality and efficiency of the sowing of large seeds reduces the amount of labor and labor intensity, and at the same time solves the complex use, low efficiency, seed picking accuracy and flexible operation caused by the need to replace the sowing parts according to the external size of the sowing material in the use of the existing seeding device. Problems such as poor adaptability and poor adaptability provide a new idea for the precise seed selection of large seeds.

Description of drawings

FIG. 1 is a schematic structural diagram of this embodiment.

FIG. 2 is a schematic structural diagram of the seed taking unit of the present embodiment.

FIG. 3 is a schematic structural diagram of the transmission wheel of this embodiment.

FIG. 4 is a schematic structural diagram of the seed rod of this embodiment.

Fig. 5 shows the structure of the sleeve of the present embodiment

FIG. 6 is a schematic diagram of the structure of the installation disk of the present embodiment.

FIG. 7 is an assembly view of the protective cover body and the protective cover cover of the present embodiment.

FIG. 8 is a schematic structural diagram of the protective cover of this embodiment.

FIG. 9 is a schematic structural diagram of the seed box of the present embodiment.

FIG. 10 is a schematic structural diagram of the seed guide box of the present embodiment.

Labels in the figure: 1 rack, 2 seed boxes, 3 seed guide boxes, 4 seed extraction outlets, 5 vertical slots, 6 vertical insert plates, 7 limit plates, 8 transmission wheels, 9 transmission shafts, 10 seed extraction Rod, 11 Seed Hole, 12 Sleeve, 13 Mounting Plate, 14 Mounting Rod, 15 Connecting Rod, 16 Connecting Rod, 17 Mounting Hole, 18 Shield Body, 19 Perforation, 20 Shield Cover, 21 Mounting Post, 22 Transmission gear.

Detailed ways

The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and provides detailed implementation modes and specific operation processes, but the protection scope of the present invention is not limited to the following implementations example.

Referring to FIGS. 1 to 10 , the present embodiment discloses a telescopic telescopic rod type precision seed picker, including a frame 1, and at least one seed picking unit is provided on the frame 1, and the seed picking unit includes a seed box 2, The seed guide box 3 and the seed collection assembly are arranged on the front side of the seed box 2 , and the inner cavity of the seed guide box 3 is communicated with the inner cavity of the seed box 2 . Wherein, the connection mode of the seed box 3 and the seed box 2 can be as follows: the seed box 2 is provided with a seed outlet 4 on the front side, and vertical slots are respectively provided on both sides of the seed outlet 4 on the front side of the seed box 2 5. The rear side of the seed guide box 3 is open, and the two sides of the open end of the rear side of the seed guide box 3 are respectively provided with vertical inserts 6, which are respectively inserted into the two vertical slots 5 through the two vertical inserts 6 , and is supported on the top of the seed box 2 by the limiting plate 7 on the top of the two vertical insert plates 6 to realize the detachable connection between the seed box 3 and the seed box 2 .

The seed picking assembly is arranged in the inner cavity of the seed box 2 . The seed-taking assembly includes a transmission wheel 8. The transmission wheel 8 is rotatably installed in the seed box 2 through a transmission shaft 9. The transmission shaft 9 extends in the left-right direction. The transmission wheel 8 is provided with a plurality of seed-taking rods 10 in the circumferential direction. Removably installed on the drive wheel 8, the seed rod 10 extends outward along the radial direction of the drive wheel 8, the seed rod 10 is provided with a seed hole 11 on the side wall near the outer end, and the seed hole 11 is a blind hole. , the depth and diameter of the seed hole 11 can only accommodate one seed. A sleeve 12 is slidably sleeved on each seed-taking rod 10 , and a plurality of sleeves 12 are connected by a set of opening and closing mechanisms to realize linkage, so that during the rotation of the plurality of seed-taking rods 10 with the transmission wheel 8 , each sleeve 12 slides reciprocatingly along the axial direction of the corresponding seed rod 10, and during the rotation of the seed rod 10 from the bottom to the top, the sleeve 12 on the seed rod 10 gradually slides outward from the inner limit position to the outer limit position, to realize the gradual closure of the seed taking hole 11 on the seed taking rod 10, so as to realize the seed taking hole 11 to take seeds from the seed box 2; in the process of the seed taking rod 10 rotating from the top to the bottom, the seed taking rod 10 The sleeve 12 gradually slides inward from the outer limit position to the inner limit position to realize the gradual opening of the seed taking hole 11 on the seed taking rod 10 , so that the seeds in the seed taking hole 11 fall into the seed guide box 3 .

The opening and closing mechanism includes a mounting plate 13, a mounting rod 14, a plurality of connecting rods 15, and a plurality of connecting rods 16. The mounting plate 13 and the transmission wheel 8 are coaxially arranged, and the mounting plate 13 is fixed in the seed box 2. The mounting rod 14 A plurality of connecting rods 16 are fixed on the outside of the plurality of sleeves 12 and extend along the radial direction of the sleeves 12 in one-to-one correspondence, and a plurality of connecting rods 15 One end is rotatably sleeved on the mounting rod 14 in sequence, and the other ends of the plurality of connecting rods 15 are rotatably sleeved on the plurality of connecting rods 16 in a one-to-one correspondence, and the lengths of the plurality of connecting rods 15 are the same. When the seed rod 10 rotates one circle with the transmission wheel 8 , the sleeve 12 completes a reciprocating sliding along the axial direction of the corresponding seed rod 10 .

The seed rod 10 is in the shape of a stepped shaft with a small inner section and a large outer section. The outer side wall of the transmission wheel 8 is provided with a plurality of installation holes 17 along the circumferential direction, and the inner ends of the plurality of seed rods 10 are installed into the plurality of installation holes 17 in a one-to-one correspondence. , This connection method can realize the stable installation of the seed rod 10 and the transmission wheel 8, and prevent the seed rod 10 from being pulled out from the installation hole 17 of the transmission wheel 8; 10 is pulled out from the installation hole 17, which is convenient for the replacement of the seed rod 10, so as to meet the needs of seed picking of seeds of different shapes and sizes.

The outer cover of the transmission wheel 8 is provided with a protective cover body 18. The protective cover body 18 is a cylindrical shape with one end closed and the other end open. The protective cover body 18 is fixed on the transmission shaft 9. A plurality of through holes 19 protruding from the plurality of seed rods 10, the open end of the protective cover body 18 is provided with a protective cover cover 20, the protective cover cover 20 and the protective cover body 18 are empty sleeves, and the protective cover cover 20 is fixed Inside Seed Box 2. The inner side of the protective cover 20 is provided with a mounting post 21 , and the other end of the mounting rod 14 is inserted into the inner hole of the mounting post 21 to realize the fixed installation of the mounting rod 14 and prevent the mounting plate 13 from rotating with the transmission shaft 9 .

The number of seed picking units on the rack 1 can be designed according to actual needs. In this embodiment, the rack 1 is provided with two seed picking units arranged at left and right intervals, and the two seed picking units share a transmission shaft 9, which drives the The middle section of the shaft 9 is fixedly sleeved with a transmission gear 22 , and the transmission shaft 9 is driven to rotate by the transmission gear 22 .

The working process of the telescopic sleeve rod type precision seed picker provided by this embodiment is as follows:

During operation, the power drives the transmission shaft 9 to rotate through the transmission gear 22, the transmission shaft 9 drives the transmission wheels 8 of the two seed-taking units to rotate at the same time, and the transmission wheels 8 drive the respective plurality of seed-taking rods 10 to rotate together. The transmission shaft 9 rotates together. Since the sleeve 12 is empty on the seed rod 10, one end of the connecting rod 15 is rotatably sleeved on the connecting rod 16 of the sleeve 12, and the other end of the connecting rod 15 is rotatably sleeved on the mounting rod 14 of the mounting plate 13. The mounting rod 14 on the mounting plate 13 is eccentrically arranged relative to the transmission wheel 8. When the seed rod 10 rotates, the sleeve 12 reciprocates along the axial direction of the rod 10 under the action of the connecting rod 15. When the top rotates to the bottom and enters the seed box 2, the sleeve 12 moves from the outside to the inside along the seed-taking rod 10 under the action of the connecting rod 15, and the seed-taking hole 11 on the seed-taking rod 10 is gradually opened. When the seed-taking rod 10 rotates When it reaches the lowest position, the opening of the sleeve 12 is the largest, and then the sleeve 12 begins to gradually close the seed-taking hole 11. When the seed-taking rod 10 enters the seed box 2, the seed-taking hole 11 on the seed-taking rod 10 starts to take seeds until When the seed-taking rod 10 rotates to the horizontal position, the seed-taking ends, and the seed-taking rod 10 continues to rotate. Since the sleeve 12 continues to move outward along the seed-taking rod 10, the sleeve 12 will remove the seed-taking hole on the seed-taking rod 10. 11 is gradually closed, and at the same time, the excess seeds at the seed-taking hole 11 are removed. When the seed-taking rod 10 is turned up to the highest point, the seed-taking hole 11 on the seed-taking rod 10 is completely closed by the sleeve 12, and the seed-taking rod 10 continues. When rotating, the sleeve 12 is gradually opened relative to the seed taking rod 10. When the seed taking hole 11 on the seed taking rod 10 is fully opened again, the seeds in the seed taking hole 11 fall into the front of the seed box 2 under the combined action of gravity and centrifugal force. In the side-mounted seed guide box 3, the seed picking process of a single seed is completed. A single rotation of the seed rod 10 realizes the whole process of separating the seeds, clearing the seeds in the seed hole 11 and taking the seeds out of the seed box 2 and into the seed guide box 3, so as to achieve precise seed picking.

When extracting seeds with different shapes and sizes, it is necessary to select the seed rod 10 that needs to be replaced according to the shape and size of the seeds. It is only necessary to pull out the rod 10 from the installation of the inserted transmission wheel 8 and replace it. The replacement operation of the seed picking parts is simple and fast, and the tedious process of disassembly and installation caused by replacing the seed picking parts according to the needs when sowing seeds of different sizes in the operation of the seeding device is avoided.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (9)

1. The utility model provides a smart volume seed metering ware of telescopic sleeve pole formula, includes frame (1), its characterized in that: the seed taking unit is arranged on the rack (1) and comprises a seed box (2), a seed guiding box (3) and a seed taking assembly, the seed guiding box (3) is arranged on the front side of the seed box (2), an internal cavity of the seed guiding box (3) is communicated with an internal cavity of the seed box (2), and the seed taking assembly is arranged in the internal cavity of the seed box (2);

the seed taking assembly comprises a transmission wheel (8), the transmission wheel (8) is rotatably installed in a seed box (2) through a transmission shaft (9), the transmission shaft (9) extends along the left and right direction, the transmission wheel (8) is circumferentially provided with a plurality of seed taking rods (10), the seed taking rods (10) are detachably installed on the transmission wheel (8), the seed taking rods (10) extend outwards along the radial direction of the transmission wheel (8), a seed taking hole (11) is formed in the side wall, close to the outer end, of each seed taking rod (10), a sleeve (12) is slidably sleeved on each seed taking rod (10), the sleeves (12) are connected through a set of opening and closing mechanisms to realize linkage, so that the seed taking rods (10) rotate along with the transmission wheel (8), each sleeve (12) slides in a reciprocating mode along the axial direction of the corresponding seed taking rod (10), and the seed taking rods (10) rotate to the upper side from the lower side in the process, the sleeve (12) on the seed taking rod (10) slides outwards to the outer limit position from the inner limit position gradually, so that the seed taking hole (11) on the seed taking rod (10) is closed gradually, and the seed taking hole (11) is taken from the seed box (2); in the process that the seed taking rod (10) rotates to the lower part from the upper part, the sleeve (12) on the seed taking rod (10) slides inwards to the inner extreme position from the outer extreme position gradually, so that the seed taking hole (11) on the seed taking rod (10) is opened gradually, and seeds of the seed taking hole (11) fall into the seed guiding box (3).

2. The telescoping sleeve rod type precision seed metering device of claim 1, wherein: the opening and closing mechanism comprises a mounting disc (13), a mounting rod (14), a plurality of connecting rods (15) and a plurality of connecting rods (16), the mounting disc (13) and a driving wheel (8) are coaxially arranged, the mounting disc (13) is fixed in a seed box (2), the mounting rod (14) is fixed on the mounting disc (13) and is eccentrically arranged relative to the axial lead of the mounting disc (13), the connecting rods (16) are fixed on the outer sides of the sleeves (12) in a one-to-one correspondence mode and extend along the radial direction of the sleeves (12), one ends of the connecting rods (15) are sequentially rotatably sleeved on the mounting rod (14), the other ends of the connecting rods (15) are rotatably sleeved on the connecting rods (16) in a one-to-one correspondence mode, the seed taking rod (10) rotates for one circle along with the driving wheel (8), and the sleeves (12) complete one-time reciprocating sliding along the axial direction of the corresponding seed taking rod (10).

3. The telescopic sleeve rod type precision seed metering device as claimed in claim 1, characterized in that: a plurality of mounting holes (17) are formed in the outer side wall of the driving wheel (8) along the circumferential direction, the inner ends of the seed taking rods (10) are mounted in the mounting holes (17) in a one-to-one correspondence mode, and the inner ends of the seed taking rods (10) are in interference fit with the mounting holes (17).

4. A telescoping sleeve rod precision seed sampler as claimed in claim 2 wherein: in the opening and closing mechanism, the plurality of connecting rods (15) have the same length.

5. The telescopic sleeve rod type precision seed metering device as claimed in claim 2, characterized in that: the driving wheel (8) dustcoat is equipped with protecting cover body (18), protecting cover body (18) are one end closed, the open cylindric of the other end, protecting cover body (18) are fixed on transmission shaft (9), it has a plurality of perforation (19) that supply a plurality of kind of pole (10) to outwards stretch out to open along circumference on protecting cover body (18) lateral wall, the opening end of protecting cover body (18) is equipped with protection shroud (20), protection shroud (20) and protecting cover body (18) empty sleeve set up, and protection shroud (20) are fixed in seed box (2).

6. The telescoping tube rod type precision seed metering device as claimed in claim 5, wherein: the inner side of the protective cover cap (20) is provided with a mounting column (21), and the other end of the mounting rod (14) is inserted into an inner hole of the mounting column (21).

7. The telescopic sleeve rod type precision seed metering device as claimed in claim 1, characterized in that: seed case (2) front side is opened and is had kind of an export (4) of getting, and the kind of a export (4) both sides of getting of seed case (2) front side are equipped with vertical slot (5) respectively, and it is uncovered to lead kind of box (3) rear side, and it is equipped with vertical picture peg (6) respectively to lead kind of box (3) rear side opening end both sides, insert respectively to two vertical slot (5) through two vertical picture peg (6), and limit plate (7) through two vertical picture peg (6) tops support on seed case (2) top, realize leading kind of box (3) and being connected with dismantling of seed case (2).

8. The telescopic sleeve rod type precision seed metering device as claimed in claim 1, characterized in that: the seed picking machine is characterized in that two seed picking units which are arranged at left and right intervals are arranged on the rack (1), the two seed picking units share one transmission shaft (9), a transmission gear (22) is fixedly sleeved in the middle section of the transmission shaft (9), and the transmission shaft (9) is driven to rotate through the transmission gear (22).

9. The telescopic sleeve rod type precision seed metering device as claimed in claim 1, characterized in that: the seed taking rod (10) is in a stepped shaft shape with a small inner section and a large outer section.

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