Tobacco seedling tray seeding device

Abstract

The utility model discloses a tobacco seedling tray seeding device which comprises a table frame and a table board, the table board is arranged on the table frame, two sides of the table board are connected with seeding grooves through supporting columns, a plurality of seed storage holes are formed in the seeding grooves in an array mode, and flashboards are arranged on the bottom surfaces of the seeding grooves in a sliding mode. The flashboard is in contact with the bottom surface of the seeding groove, a plurality of seed metering holes are formed in the flashboard in an array mode, the distance between the seed metering holes is the same as that between the seed storage holes, a feeding groove body is arranged in the seeding groove, the bottom surface and the two sides of the feeding groove body are in contact with the seeding groove, and the feeding groove body can move in the seeding groove; two side limiting strips and an end limiting strip are further arranged on the table plate, the side limiting strips extend to the position below the seeding groove, the end limiting strip is located below the seeding groove, and the seedling tray is arranged between the two side limiting strips in a sliding mode. In the seeding process, the seed suction disc does not need to be overturned back and forth, so that the seeding process is quicker and more convenient, and meanwhile, the condition that seeds fall off in the overturning process of the seed suction disc is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of planting, in particular to a tobacco seedling tray sowing device. Background Art

[0002] In the process of raising tobacco seedlings, it is usually necessary to add substrate and sow seeds in the planting grooves of the seedling tray. There are many planting grooves in the seedling tray. If sowing is required one by one manually, it will be troublesome and laborious. In order to improve the sowing efficiency, a sowing device is usually required. In the prior art, most sowing devices adopt an operation method of adsorbing seeds on the holes. For example, the utility model with publication number CN219146111U records a negative pressure type small particle seed hole tray sowing device, which belongs to the technical field of sowing equipment; the negative pressure type small particle seed hole tray sowing device includes a support frame, a seed suction tray, a rotating shaft, a support plate, a negative pressure box, a connecting pipe, an air suction pipe, a vacuum pump, The utility model comprises a seed-absorbing tray with air suction holes, which is installed on a support frame in a flip manner, and a negative pressure box is provided at the bottom of the seed-absorbing tray. The seeds are adsorbed in the air suction holes by the vacuum pump of the negative pressure box, and the seeds are sown into the seed holes of the hole tray by flipping the seed-absorbing tray. During the use of the device, the seed-absorbing tray needs to be flipped back and forth many times so that the seeds can be adsorbed and filled in the air suction holes. In addition, the adsorbed seeds may fall off during the flipping of the seed-absorbing tray, thereby increasing the empty slot rate of the seedling tray. In order to overcome this technical problem, the utility model provides a tobacco seedling tray sowing device. Utility Model Content

[0003] The utility model aims to provide a tobacco seedling tray sowing device, which does not require the seed suction tray to be turned back and forth during the sowing process, making the sowing process faster and simpler, and also avoids the situation where seeds fall during the turning of the seed suction tray.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A tobacco seedling tray sowing device comprises a table frame and a table board, the table board is arranged on the table frame, and sowing grooves are connected to both sides of the table board through supporting columns, a plurality of seed storage holes are arranged in an array in the sowing groove, a gate plate is slidably arranged on the bottom surface of the sowing groove, the gate plate is in contact with the bottom surface of the sowing groove and a plurality of seed discharge holes are arranged in an array on the gate plate, the spacing of the seed discharge holes is the same as the spacing of the seed storage holes, a feeding trough body is arranged in the sowing groove, the bottom surface and both sides of the feeding trough body are in contact with the sowing groove and the feeding trough body can move in the sowing groove, two side limit strips and an end limit strip are also arranged on the table board, the side limit strips extend to below the sowing groove, the end limit strip is located below the sowing groove, the seedling tray is slidably arranged between the two side limit strips, and when the seedling tray contacts the end limit strip, the seed storage holes correspond one by one to the notch of the seedling tray.

[0006] Furthermore, guide slide bars are arranged on both sides of the bottom surface of the sowing groove, and the gate plate is slidably arranged between the guide slide bars.

[0007] Furthermore, the front end of the gate plate is bent to form a connecting portion, and a cylinder is arranged at the front side of the sowing groove, and the pushing end of the cylinder is connected to the connecting portion of the gate plate.

[0008] Furthermore, a feeding hopper is fixedly arranged on the upper part of the sowing trough, and a trough cover is arranged on the upper part of the sowing trough.

[0009] Furthermore, the feeding trough body includes a front push plate and a rear push plate, and a screw sleeve and a guide sleeve are connected between the front push plate and the rear push plate. A motor is arranged on the outside of the sowing trough, and a reciprocating screw rod is connected to the output end of the motor. The reciprocating screw rod is located in the sowing trough and the reciprocating screw rod is passed through the screw sleeve. A guide rod is also fixedly arranged in the sowing trough, and the guide sleeve is passed through the guide rod.

[0010] Furthermore, a control switch is provided on the end limit strip, and the motor and the cylinder are electrically connected to the control switch respectively.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a feeding trough body in the sowing trough, a gate plate is provided at the bottom of the sowing trough and a seed storage hole is provided on the bottom surface of the sowing trough, the gate plate is provided with a seed discharge hole, seeds are added into the feeding trough body, and the feeding trough body fills the seeds into the seed storage hole during the movement, and when sowing, the seeds can be sown one by one into the seedling tray slots by only pushing out the gate plate, thereby eliminating the need to adsorb seeds and flip the sowing trough back and forth, making the operation quicker and more convenient, and avoiding the risk of seeds falling during the flipping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 It is the front view of the utility model.

[0015] Figure 3 This is a schematic diagram of the internal structure of the seeding trough.

[0016] Figure 4 It is a schematic diagram of the feeding trough structure.

[0017] Figure 5 Schematic diagram of the gate structure.

[0018] In the figure, 1-table frame, 2-table board, 3-side limit strip, 4-seedling tray, 5-end limit strip, 6-control switch, 7-seeding trough, 8-support column, 9-guide slide bar, 10-trough cover, 11-feeding trough bucket, 12-motor, 13-cylinder, 14-gate, 15-seed storage hole, 16-guide rod, 17-reciprocating screw rod, 18-feeding trough body, 181-front push plate, 182-rear push plate, 183-screw sleeve, 184-guide sleeve, 19-seed hole. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] Embodiment 1:

[0021] refer to Figure 1-3 As shown, the utility model provides a tobacco seedling tray sowing device, including a table frame 1 and a table board 2, the table board 2 is arranged on the table frame 1, and the two sides of the table board 2 are connected with sowing grooves 7 through support columns 8. Preferably, the length of the sowing groove 7 is half of the length of the entire table board 2, and a plurality of seed storage holes 15 are arranged in an array in the sowing groove 7. More specifically, the thickness and diameter of the seed storage holes 15 need to be larger than the diameter of the bun seeds, so that the coated seeds can enter the seed storage holes 15. A gate plate 14 is slidably arranged on the bottom surface of the sowing groove 7, and the movement process of the gate plate 14 can be manually controlled or electrically controlled. The gate plate 14 contacts the bottom surface of the sowing groove 7, refer to Figure 5 As shown, a plurality of seed discharging holes 19 are arranged in an array on the gate plate 14, and the spacing between the seed discharging holes 19 is the same as the spacing between the seed storage holes 15. Preferably, the diameter of the seed discharging holes 19 is larger than the diameter of the seed storage holes 15, so that the seeds can be discharged smoothly. When the gate plate 14 is not pushed out, the seed discharging holes 19 and the seed storage holes 15 are staggered, so that the coated seeds can remain in the seed storage holes 15. When the gate plate 14 is pushed out, the seed discharging holes 19 and the seed storage holes 15 overlap so that the seeds can fall and be discharged. A feeding trough body 18 is arranged in the sowing trough 7, and the coated seeds are added into the feeding trough body 18. The bottom surface and two sides of the feeding trough body 18 are The sides are in contact with the sowing groove 7 to limit the movement range of the seeds. The feeding trough body 18 can move in the sowing groove 7. The movement mode can be manually controlled or electrically controlled. Two side limit strips 3 and end limit strips 5 are also arranged on the table top 2. The side limit strips 3 extend to the bottom of the sowing groove 7, and the end limit strips 5 are located below the sowing groove 7. The seedling tray 4 is slidably arranged between the two side limit strips 3. When the seedling tray 4 contacts the end limit strips 5, the seed storage holes 15 correspond one by one to the notches of the seedling tray 4. Through the side limit strips 3 and the end limit strips 5, the notches of the seedling tray 4 can be aligned with the seed storage holes 15.

[0022] Embodiment 2:

[0023] On the basis of the above embodiment, another embodiment of the utility model is that guide slide bars 9 are arranged on both sides of the bottom surface of the sowing trough 7, and the gate plate 14 is slidably arranged between the guide slide bars 9. A feeding trough hopper 11 is fixedly arranged on the upper part of the sowing trough 7, and the coated seeds are added to the feeding trough body 18 through the feeding trough hopper 11. A trough cover 10 is arranged on the upper part of the sowing trough 7, and the trough cover 10 is made of transparent plastic material.

[0024] Embodiment 3:

[0025] On the basis of the above embodiment, another embodiment of the utility model is that in order to realize the electric control of the gate plate 14, the front end of the gate plate 14 is bent to form a connecting portion, and a cylinder 13 is arranged on the front side of the sowing groove 7. The push-out end of the cylinder 13 is connected to the connecting portion of the gate plate 14. When the cylinder 13 is in the initial state, the seeding hole 19 and the seed storage hole 15 are staggered. When the cylinder 13 is pushed out, the seeding hole 19 and the seed storage hole 15 overlap to discharge the material. In order to realize the electric control of the feeding trough body 18, refer to Figure 4 As shown, the feeding trough body 18 includes a front push plate 181 and a rear push plate 182, and a screw sleeve 183 and a guide sleeve 184 are connected between the front push plate 181 and the rear push plate 182. A motor 12 is arranged on the outside of the sowing trough 7, and a reciprocating screw rod 17 is connected to the output end of the motor 12. The reciprocating screw rod 17 is located in the sowing trough 7 and the reciprocating screw rod 17 is passed through the screw sleeve 183, so that the feeding trough body 18 is driven to reciprocate under the rotation of the reciprocating screw rod 17. A guide rod 16 is also fixedly arranged in the sowing trough 7, and a guide sleeve 184 is passed through the guide rod 16. The end limit strip 5 is provided with a control switch 6, and the motor 12 and the cylinder 13 are electrically connected to the control switch 6 respectively. When the seedling tray 4 is pushed to the end limit strip 5 and touches the control switch 6, the motor 12 is energized to make the feeding trough 18 do a reciprocating motion, and then the cylinder 13 is energized with a delay to push out the gate plate 14 and then reset. Those skilled in the art can configure the circuit of the control switch 6 based on this, and this application will not explain this.

[0026] Although the utility model is described herein with reference to a plurality of illustrative embodiments of the utility model, it should be understood that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the disclosure, drawings, and claims of the present application, various modifications and improvements may be made to the components or layout of the subject combination layout. In addition to the modifications and improvements made to the components or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A tobacco seedling tray sowing device, comprising a table frame (1) and a table board (2), wherein the table board (2) is arranged on the table frame (1), characterized in that: The table top (2) is connected to a sowing trough (7) on both sides through support columns (8), a plurality of seed storage holes (15) are arranged in an array in the sowing trough (7), a gate plate (14) is slidably arranged on the bottom surface of the sowing trough (7), the gate plate (14) is in contact with the bottom surface of the sowing trough (7) and a plurality of seed discharge holes (19) are arranged in an array on the gate plate (14), the spacing of the seed discharge holes (19) is the same as the spacing of the seed storage holes (15), a feeding trough body (18) is arranged in the sowing trough (7), and the bottom of the feeding trough body (18) is provided with a plurality of seed discharge holes (19). The front and both sides are in contact with the sowing groove (7) and the feeding groove body (18) can move in the sowing groove (7). Two side limit strips (3) and an end limit strip (5) are also arranged on the table top (2). The side limit strips (3) extend below the sowing groove (7), and the end limit strip (5) is located below the sowing groove (7). The seedling tray (4) is slidably arranged between the two side limit strips (3). When the seedling tray (4) contacts the end limit strip (5), the seed storage holes (15) correspond one by one to the notches of the seedling tray (4).

2. A tobacco seedling tray sowing device according to claim 1, characterized in that: Guide slide bars (9) are arranged on both sides of the bottom surface of the sowing groove (7), and the gate plate (14) is slidably arranged between the guide slide bars (9).

3. A tobacco seedling tray sowing device according to claim 2, characterized in that: The front end of the gate plate (14) is bent to form a connecting portion, and a cylinder (13) is arranged at the front side of the sowing groove (7), and the push-out end of the cylinder (13) is connected to the connecting portion of the gate plate (14).

4. A tobacco seedling tray sowing device according to claim 1, characterized in that: A feeding hopper (11) is fixedly arranged on the upper part of the sowing trough (7), and a trough cover (10) is arranged on the upper part of the sowing trough (7).

5. The tobacco seedling tray sowing device according to claim 1, characterized in that: The feeding trough body (18) comprises a front push plate (181) and a rear push plate (182), a screw sleeve (183) and a guide sleeve (184) are connected between the front push plate (181) and the rear push plate (182), a motor (12) is arranged outside the sowing trough (7), an output end of the motor (12) is connected to a reciprocating screw rod (17), the reciprocating screw rod (17) is located in the sowing trough (7) and the reciprocating screw rod (17) is inserted into the screw sleeve (183), a guide rod (16) is also fixedly arranged in the sowing trough (7), and the guide sleeve (184) is inserted into the guide rod (16).

6. A tobacco seedling tray sowing device according to claim 1, characterized in that: The end limit strip (5) is provided with a control switch (6), and the motor (12) and the cylinder (13) are electrically connected to the control switch (6) respectively.

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