Efficient automatic seeding equipment for agricultural planting

Abstract

The invention relates to the technical field of agricultural seeding devices, in particular to efficient automatic seeding equipment for agricultural planting, which comprises a driving vehicle body and a threaded connection plate assembly, and shells on the left and right sides of the driving vehicle body are fixedly connected with the threaded connection plate assembly; a pesticide storage box is fixedly connected to the right end face of the threaded connection plate assembly located on the right side shell of the driving vehicle body. A seeding box is fixedly connected to the left end face of the threaded connection plate assembly located on a shell on the left side of the driving vehicle body, and an output pipe is fixedly connected to the lower end face of the seeding box. The upper end face of the pesticide storage box and the upper end face of the seeding box are both fixedly connected with a feeding hopper, and the lower end face of the pesticide storage box is fixedly connected with an electric lifter. According to the device, the seeding uniformity and precision are remarkably improved, the planting cost is reduced, meanwhile, the seeding efficiency is improved through automatic control, the operation time is shortened, and the device is simple in structure, easy to maintain and good in stability and universality.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural sowing devices, and in particular to a highly efficient automatic sowing device for agricultural planting. Background Art

[0002] The automatic seeding device for agricultural planting is an intelligent device designed for farmland planting. It aims to replace the traditional manual or simple mechanical seeding method to improve seeding efficiency, accuracy and crop yield. However, the existing efficient automatic seeding equipment for agricultural planting still has certain defects, such as:

[0003] The "A kind of efficient automated sowing equipment for agricultural planting" with application number CN202322144004.4 includes a frame, a front driving wheel rotatably connected to the front end of the frame is provided, and a rear steering wheel is provided below the rear end thereof, and a soil turning shovel, a seed storage box, and a covering wheel are provided on the frame from front to back in sequence, and a sowing pipe connected with the seed storage box is provided at the lower end of the seed storage box; the cross-section of the lower end of the seed storage box is V-shaped, and a discharge port is provided at the bottom end, and a feeding piece rotatably connected to the seed storage box is provided at the discharge port, and a discharge hopper horizontally slidingly matched with the seed storage box is provided below the discharge port, and the lower end of the discharge hopper is connected with the sowing pipe through a hose. The device cannot effectively pre-treat the soil before sowing, resulting in difficulty in ensuring the sowing depth and uniformity, and cannot spray pesticides, so it cannot meet the use requirements. In view of this, an efficient automated sowing equipment for agricultural planting is proposed to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a high-efficiency automated sowing equipment for agricultural planting, so as to solve the problem mentioned in the above background technology that the existing high-efficiency automated sowing equipment for agricultural planting cannot effectively pre-treat the soil before sowing, resulting in difficulty in ensuring the sowing depth and uniformity, and cannot spray pesticides.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: comprising a driving body and a threaded connecting plate assembly, the left and right side shells of the driving body are fixedly connected to the threaded connecting plate assembly, and the right end face of the threaded connecting plate assembly located on the right side shell of the driving body is fixedly connected to a pesticide storage box; the left end face of the threaded connecting plate assembly located on the left side shell of the driving body is fixedly connected to a sowing box, and the lower end face of the sowing box is fixedly connected to an output pipe; the upper end faces of the pesticide storage box and the sowing box are fixedly connected to a feed hopper, and the lower end face of the pesticide storage box is fixedly connected to an electric lifter; the lower end bearing of the electric lifter is connected to a rotating rod, and the left end face of the rotating rod is fixedly connected to a small pulley; a tilling wheel is fixedly connected to the rotating rod; and the left end face of the electric lifter is fixedly connected to a tensioning wheel assembly.

[0006] By adopting the above technical solution, the automation and efficiency of the seeding equipment are achieved.

[0007] As a preferred technical solution of the present invention, the right end face of the pesticide storage box is fixedly connected to a transmission motor, and the shaft end of the transmission motor is fixedly connected to a reciprocating threaded rod; the reciprocating threaded rod passes through the outer end face of the pesticide storage box, and the left end face of the reciprocating threaded rod is fixedly connected to a large pulley; the small pulley and the large pulley are connected by a transmission belt.

[0008] The adoption of the above technical solution further improves the uniform spraying efficiency of the pesticide.

[0009] As a preferred technical solution of the present invention, a partition is fixedly connected to the inner end surface of the pesticide storage box, and a one-way valve is arranged at the right end of the partition; a piston plate is threadedly connected to the reciprocating threaded rod, and the lower end surface of the piston plate is slidably connected to the lower end surface of the partition; the lower end surface of the piston plate is slidably connected to the inner bottom surface of the pesticide storage box; and a spray pipe is fixedly connected to the front end surface of the pesticide storage box.

[0010] The adoption of the above technical solution further ensures the sealing and uniformity of the pesticide during storage and spraying; the setting of the partition can effectively prevent the pesticide from mixing or leaking during storage, and the one-way valve ensures the one-way flow of the pesticide during spraying, avoiding backflow.

[0011] As a preferred technical solution of the present invention, the front end surface of the output tube is fixedly connected with a micro motor, and the shaft end of the micro motor is fixedly connected with a transmission rod; the shaft of the transmission rod is fixedly connected with a diverter blade.

[0012] The adoption of the above technical solution further optimizes the uniformity of seed distribution during the sowing process; the use of a micro motor enables the transmission rod to rotate at a precise speed, thereby controlling the speed and angle of the diversion blades, ensuring that the seeds can be evenly distributed from the output pipe to each sowing position; this design not only improves the efficiency of sowing, but also reduces seed waste, making the sowing process more accurate and efficient.

[0013] As a preferred technical solution of the present invention, the tensioning wheel assembly consists of a shell, a return spring, a limit plate, a sliding rod and a roller; the rear end face of the shell is fixedly connected to the front end face of the pesticide storage box; the left end face of the return spring is fixedly connected to the left inner end face of the shell, and the right end face of the return spring is fixedly connected to the limit plate; the right end face of the limit plate is fixedly connected to the left end face of the sliding rod, and the sliding rod and the shell are slidably connected; the left inner end face bearing of the sliding rod is connected to the roller, and the roller and the inner end face of the transmission belt are against each other.

[0014] The adoption of the above technical scheme further improves the stability and durability of the seeding equipment; the setting of the tension wheel assembly can ensure that the tension of the transmission belt remains constant during long-term operation, thereby reducing the wear of the transmission belt and extending the service life; the design of the reset spring enables the tension to be automatically adjusted when the transmission belt becomes loose, thereby ensuring the normal operation of the seeding equipment; a precise adjustment range is provided for the transmission belt, ensuring accuracy during the seeding process; the contact design of the roller and the transmission belt not only reduces friction, but also improves transmission efficiency, so that the seeding equipment can maintain good performance under various working conditions.

[0015] As a preferred technical solution of the present invention, a baffle is fixedly connected to the left inner bottom surface of the pesticide storage box, and the reciprocating threaded rod passes through the baffle; the upper end surface of the baffle and the lower end surface of the partition are fixedly connected; the left rod body of the reciprocating threaded rod is fixedly connected to a bevel gear, and the upper end surface of the bevel gear is fixedly connected to a No. 1 pillar; the No. 1 pillar passes through the partition, and the lower end surface of the No. 1 pillar is fixedly connected to the bevel gear; the No. 1 pillar is driven by the meshing of the bevel gear and the reciprocating threaded rod.

[0016] The adoption of the above technical solution facilitates the stability of the internal mechanical structure.

[0017] As a preferred technical solution of the present invention, a No. 2 pillar is arranged at the right end of the No. 1 pillar, and the lower end face of the No. 2 pillar is connected to the upper end face bearing of the partition; the No. 1 pillar and the No. 2 pillar rod body are fixedly connected with a transmission gear, and the No. 1 pillar and the No. 2 pillar are meshed and transmitted through the transmission gear.

[0018] The adoption of the above technical solution facilitates the transmission of the internal mechanical structure.

[0019] As a preferred technical solution of the present invention, the rods of the No. 1 pillar and the No. 2 pillar are both fixedly connected to the stirring blades.

[0020] The above technical solution can effectively promote the uniform mixing of pesticides in the storage box, ensure the consistency of the concentration of pesticides, and thus improve the spraying effect; at the same time, the rotation of the fan blades can also prevent the precipitation of pesticides during storage, thereby ensuring the fluidity of the pesticides.

[0021] As a preferred technical solution of the present invention, the left end face of the seeding box is fixedly connected to a customized hopper, and the upper end face of the seeding box is fixedly connected to a driving motor, and the shaft end of the driving motor is fixedly connected to a transmission shaft; the right end face bearing of the transmission shaft is connected to a limit column, and the lower end face of the limit column is fixedly connected to the upper end face of the seeding box; the transmission shaft shaft is fixedly connected to a centrifugal column.

[0022] By adopting the above technical solution, the seeding box can achieve uniform shaking through the rotational movement of the centrifugal column, thereby ensuring that the seeds are evenly distributed in the seeding box.

[0023] As a preferred technical solution of the present invention, the right end surface of the seeding box is slidably connected to a slide rail assembly, and the right end surface of the slide rail assembly is fixedly connected to the threaded connecting plate assembly.

[0024] The adoption of the technical solution facilitates the stable shaking of the seeding box.

[0025] Compared with the prior art, the beneficial effects of the present invention are: the device significantly improves the uniformity and accuracy of sowing, reduces the planting cost, and at the same time improves the sowing efficiency through automatic control, shortens the operation time, and the equipment has a simple structure, is easy to maintain, and has good stability and versatility.

[0026] 1. When in use, inject pesticides into the pesticide storage box through the hopper, and pour seeds into the sowing box, then start the transmission motor, which drives the piston plate to move periodically in the pesticide storage box through the reciprocating threaded rod to generate negative pressure, and then spray the pesticide in the pesticide storage box to the soil through the spraying pipe;

[0027] 2. At the same time, the transmission motor drives the large pulley to rotate through the reciprocating threaded rod, and the large pulley drives the small pulley to rotate through the transmission belt, thereby driving the tilling wheel to loosen the soil;

[0028] 3. Then start the micro motor, which drives the transmission rod to rotate, and the transmission rod drives the diversion fan blades to rotate, so that the seeds in the seeding box are evenly sprinkled onto the soil through the output pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the side cross-sectional structure of the pesticide storage box of the present invention;

[0031] Figure 3 This is a schematic diagram of the side structure of the pesticide storage box of the present invention;

[0032] Figure 4 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0033] Figure 5 It is a schematic diagram of the connection structure between the tension wheel assembly and the electric lifter of the present invention;

[0034] Figure 6 This is a schematic diagram of the main cross-sectional structure of the output tube of the present invention;

[0035] Figure 7It is a schematic diagram of the front cross-sectional structure of the tensioning wheel assembly of the present invention;

[0036] Figure 8 This is a schematic diagram of the connection structure between the reciprocating threaded rod and the helical gear of the present invention;

[0037] Fig. 9 This is a schematic diagram of the connection structure between the No. 1 support and the transmission gear of the present invention;

[0038] Fig.10 This is a schematic diagram of the connection structure between the driving motor and the seed box of the present invention.

[0039] In the figure: 1. driving body; 2. threaded connecting plate assembly; 3. pesticide storage box; 4. seeding box; 5. output pipe; 6. electric lift; 7. small pulley; 8. tension wheel assembly; 801. shell; 802. return spring; 803. limit plate; 804. slide rod; 805. roller; 9. transmission motor; 10. reciprocating threaded rod; 11. large pulley; 12. partition; 13. soil turning wheel; 14. piston plate; 15. spraying tube; 16. micro motor; 17. transmission rod; 18. diverter fan blade; 19. baffle; 20. bevel gear; 21. No. 1 pillar; 22. No. 2 pillar; 23. transmission gear; 24. custom hopper; 25. driving motor; 26. transmission shaft; 27. centrifugal column; 28. slide rail assembly. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1-Figure 10 , the technical solution of the present invention:

[0042] Example 1: In order to solve the problem that the existing intestinal stoma does not have the disinfection function, the following solution is disclosed. For details, please refer to Figure 1-Figure 7, including a driving body 1 and a threaded connecting plate assembly 2, the left and right side shells of the driving body 1 are fixedly connected to the threaded connecting plate assembly 2, and the right end face of the threaded connecting plate assembly 2 located on the right side shell of the driving body 1 is fixedly connected to a pesticide storage box 3; the left end face of the threaded connecting plate assembly 2 located on the left side shell of the driving body 1 is fixedly connected to a sowing box 4, and the lower end face of the sowing box 4 is fixedly connected to an output pipe 5; the upper end faces of the pesticide storage box 3 and the sowing box 4 are fixedly connected to a feed hopper, and the lower end face of the pesticide storage box 3 is fixedly connected to an electric lifter 6; the lower end bearing of the electric lifter 6 is connected to a rotating rod, and the left end face of the rotating rod is fixedly connected to a small pulley 7; a tilling wheel 13 is fixedly connected to the rotating rod; the left end face of the electric lifter 6 is fixedly connected to a tensioning wheel assembly 8, thereby realizing the automation and efficiency of the sowing equipment;

[0043] The right end face of the pesticide storage box 3 is fixedly connected with a transmission motor 9, and the shaft end of the transmission motor 9 is fixedly connected with a reciprocating threaded rod 10; the reciprocating threaded rod 10 passes through the outer end face of the pesticide storage box 3, and the left end face of the reciprocating threaded rod 10 is fixedly connected with a large pulley 11; the small pulley 7 and the large pulley 11 are connected by a transmission belt, which further improves the uniform spraying efficiency of the pesticide;

[0044] The inner end surface of the pesticide storage box 3 is fixedly connected with a partition 12, and a one-way valve is arranged at the right end of the partition 12; a piston plate 14 is threadedly connected to the reciprocating threaded rod 10, and the lower end surface of the piston plate 14 is slidably connected to the lower end surface of the partition 12; the lower end surface of the piston plate 14 is slidably connected to the inner bottom surface of the pesticide storage box 3; a spraying pipe 15 is fixedly connected to the front end surface of the pesticide storage box 3, which further ensures the sealing and uniformity of the pesticide during storage and spraying; the setting of the partition 12 can effectively prevent the mixing or leakage of the pesticide during storage, and the one-way valve ensures the one-way flow of the pesticide during spraying, avoiding the backflow phenomenon;

[0045] The front end of the output tube 5 is fixedly connected to a micro motor 16, and the shaft end of the micro motor 16 is fixedly connected to a transmission rod 17; the shaft of the transmission rod 17 is fixedly connected to a diversion blade 18, which further optimizes the uniformity of seed distribution during the sowing process; the use of the micro motor 16 enables the transmission rod 17 to rotate at a precise speed, thereby controlling the speed and angle of the diversion blade 18, ensuring that the seeds can be evenly distributed from the output tube 5 to each sowing position; this design not only improves the efficiency of sowing, but also reduces the waste of seeds, making the sowing process more accurate and efficient;

[0046] The tensioning wheel assembly 8 consists of a shell 801, a return spring 802, a limit plate 803, a slide bar 804 and a roller 805; the rear end face of the shell 801 is fixedly connected to the front end face of the pesticide storage box 3; the left end face of the return spring 802 is fixedly connected to the left inner end face of the shell 801, and the right end face of the return spring 802 is fixedly connected to the limit plate 803; the right end face of the limit plate 803 is fixedly connected to the left end face of the slide bar 804, and the slide bar 804 is slidably connected to the shell 801; the inner end face bearing on the left side of the slide bar 804 is connected to the roller 805, and the roller 805 and the inner end face of the transmission belt are against each other, further The stability and durability of the sowing equipment are improved; the setting of the tension wheel assembly 8 can ensure that the tension of the transmission belt remains constant during long-term operation, thereby reducing the wear of the transmission belt and extending the service life; the design of the reset spring 802 enables the tension to be automatically adjusted when the transmission belt is loose, thereby ensuring the normal operation of the sowing equipment; a precise adjustment range is provided for the transmission belt, thereby ensuring the accuracy during the sowing process; the contact design of the roller 805 and the transmission belt not only reduces the friction force, but also improves the transmission efficiency, thereby enabling the sowing equipment to maintain good performance under various working conditions;

[0047] Embodiment 2: The difference between this embodiment and embodiment 1 is that a pesticide stirring structure is added. For details, please refer to Figure 8-Figure 9 ; A baffle 19 is fixedly connected to the inner bottom surface of the left side of the pesticide storage box 3, and the reciprocating threaded rod 10 penetrates the baffle 19; the upper end surface of the baffle 19 is fixedly connected to the lower end surface of the partition 12; a bevel gear 20 is fixedly connected to the left side of the reciprocating threaded rod 10, and the upper end surface of the bevel gear 20 is fixedly connected to the first pillar 21; the first pillar 21 penetrates the partition 12, and the lower end surface of the first pillar 21 is fixedly connected to the bevel gear 20; the first pillar 21 is meshed with the bevel gear 20 and the reciprocating threaded rod 10 for the stability of the internal mechanical structure;

[0048] A second support 22 is provided at the right end of the first support 21, and the lower end surface of the second support 22 is connected to the upper end surface of the partition 12 by a bearing; the first support 21 and the second support 22 are both fixedly connected with a transmission gear 23, and the first support 21 and the second support 22 are meshed and driven by the transmission gear 23, which is convenient for the transmission of the internal mechanical structure;

[0049] The shafts of the first support 21 and the second support 22 are fixedly connected to the stirring blades, which are convenient for effectively promoting the uniform mixing of the pesticides in the storage box, ensuring the uniform concentration of the pesticides, thereby improving the spraying effect; at the same time, the rotation of the blades can also prevent the precipitation of the pesticides during the storage process, thereby ensuring the fluidity of the pesticides;

[0050] Embodiment 3: The difference between this embodiment and embodiment 1 is that the shaking structure of the force seeding box 4 is added. For details, please refer to Fig.10; The left end face of the seeding box 4 is fixedly connected with a customized hopper 24, and the upper end face of the seeding box 4 is fixedly connected with a driving motor 25, and the shaft end of the driving motor 25 is fixedly connected with a transmission shaft 26; the right end face bearing of the transmission shaft 26 is connected with a limit column, and the lower end face of the limit column is fixedly connected to the upper end face of the seeding box 4; the shaft of the transmission shaft 26 is fixedly connected with a centrifugal column 27, and through the rotation movement of the centrifugal column 27, the seeding box 4 can achieve uniform shaking, thereby ensuring that the seeds are evenly distributed in the seeding box 4;

[0051] The right end surface of the seeding box 4 is slidably connected with a slide rail assembly 28, and the right end surface of the slide rail assembly 28 is fixedly connected to the threaded connecting plate assembly 2, so as to facilitate the stable shaking of the seeding box 4.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly efficient automated seeding device for agricultural planting, comprising a driving vehicle body (1) and a threaded connecting plate assembly (2), characterized in that: The left and right side shells of the driving vehicle body (1) are fixedly connected to the threaded connecting plate assembly (2), and the right end face of the threaded connecting plate assembly (2) located on the right side shell of the driving vehicle body (1) is fixedly connected to a pesticide storage box (3); the left end face of the threaded connecting plate assembly (2) located on the left side shell of the driving vehicle body (1) is fixedly connected to a sowing box (4), and the lower end face of the sowing box (4) is fixedly connected to an output pipe (5); the upper end faces of the pesticide storage box (3) and the sowing box (4) are fixedly connected to a feed hopper, and the lower end face of the pesticide storage box (3) is fixedly connected to an electric lifter (6); the lower end bearing of the electric lifter (6) is connected to a rotating rod, and the left end face of the rotating rod is fixedly connected to a small pulley (7); a tiller wheel (13) is fixedly connected to the rotating rod; and the left end face of the electric lifter (6) is fixedly connected to a tensioning wheel assembly (8).

2. The high-efficiency automated sowing equipment for agricultural planting according to claim 1, characterized in that: The right end face of the pesticide storage box (3) is fixedly connected to a transmission motor (9), and the shaft end of the transmission motor (9) is fixedly connected to a reciprocating threaded rod (10); the reciprocating threaded rod (10) passes through the outer end face of the pesticide storage box (3), and the left end face of the reciprocating threaded rod (10) is fixedly connected to a large pulley (11); the small pulley (7) and the large pulley (11) are connected by a transmission belt.

3. The high-efficiency automated sowing equipment for agricultural planting according to claim 2, characterized in that: The inner end surface of the pesticide storage box (3) is fixedly connected to a partition (12), and a one-way valve is arranged at the right end of the partition (12); a piston plate (14) is threadedly connected to the reciprocating threaded rod (10), and the lower end surface of the piston plate (14) is slidably connected to the lower end surface of the partition (12); the lower end surface of the piston plate (14) is slidably connected to the inner bottom surface of the pesticide storage box (3); and a spray pipe (15) is fixedly connected to the front end surface of the pesticide storage box (3).

4. The high-efficiency automated sowing equipment for agricultural planting according to claim 3, characterized in that: The front end surface of the output tube (5) is fixedly connected to a micro motor (16), and the shaft end of the micro motor (16) is fixedly connected to a transmission rod (17); the shaft of the transmission rod (17) is fixedly connected to a flow splitter blade (18).

5. The high-efficiency automatic sowing equipment for agricultural planting according to claim 4, characterized in that: The tensioning wheel assembly (8) comprises a housing (801), a return spring (802), a limit plate (803), a slide bar (804) and a roller (805); the rear end face of the housing (801) is fixedly connected to the front end face of the pesticide storage box (3); the left end face of the return spring (802) is fixedly connected to the left inner end face of the housing (801), and the right end face of the return spring (802) is fixedly connected to the limit plate (803); the right end face of the limit plate (803) is fixedly connected to the left end face of the slide bar (804), and the slide bar (804) is slidably connected to the housing (801); the left inner end face of the slide bar (804) is connected to the roller (805) by a bearing, and the roller (805) and the inner end face of the transmission belt are against each other.

6. The high-efficiency automatic sowing equipment for agricultural planting according to claim 5, characterized in that: A baffle (19) is fixedly connected to the inner bottom surface of the left side of the pesticide storage box (3), and the reciprocating threaded rod (10) passes through the baffle (19); the upper end surface of the baffle (19) is fixedly connected to the lower end surface of the partition (12); a bevel gear (20) is fixedly connected to the left side of the reciprocating threaded rod (10), and the upper end surface of the bevel gear (20) is fixedly connected to a first pillar (21); the first pillar (21) passes through the partition (12), and the lower end surface of the first pillar (21) is fixedly connected to the bevel gear (20); the first pillar (21) is meshed and driven by the bevel gear (20) and the reciprocating threaded rod (10).

7. The high-efficiency automatic sowing equipment for agricultural planting according to claim 6, characterized in that: A second pillar (22) is arranged at the right end of the first pillar (21), and the lower end surface of the second pillar (22) is bearing-connected to the upper end surface of the partition (12); the first pillar (21) and the second pillar (22) are both fixedly connected to a transmission gear (23), and the first pillar (21) and the second pillar (22) are meshed and transmitted through the transmission gear (23).

8. The high-efficiency automatic sowing equipment for agricultural planting according to claim 7, characterized in that: The first support (21) and the second support (22) are both fixedly connected to the stirring blades.

9. The high-efficiency automatic sowing equipment for agricultural planting according to claim 8, characterized in that: The left end face of the seeding box (4) is fixedly connected to a customized hopper (24), and the upper end face of the seeding box (4) is fixedly connected to a driving motor (25), and the shaft end of the driving motor (25) is fixedly connected to a transmission shaft (26); the right end face of the transmission shaft (26) is bearing-connected to a limiting column, and the lower end face of the limiting column is fixedly connected to the upper end face of the seeding box (4); the shaft of the transmission shaft (26) is fixedly connected to a centrifugal column (27).

10. The high-efficiency automatic sowing equipment for agricultural planting according to claim 9, characterized in that: The right end surface of the seeding box (4) is slidably connected to a slide rail assembly (28), and the right end surface of the slide rail assembly (28) is fixedly connected to the threaded connecting plate assembly (2).

Images