Water-soluble fertilizer filling machine

Abstract

The utility model relates to a water-soluble fertilizer filling machine which comprises a filling machine frame, a working table, a conveying line, a mixed filling structure, a bottle cap screwing structure, a bottle cap feeding structure and a rotating structure. A linkage structure capable of moving the bottle cap screwing structure up and down and driving the rotating structure to rotate is installed in the filling machine frame, the linkage structure comprises a driving structure, a rotating structure and a driving structure, the rotating structure comprises a rotating shaft connected with the driving structure, and a driving sleeve is installed on the surface of the rotating shaft; the driving structure is located below the rotating structure and comprises a long plate located below the rotating shaft, a mounting base and a connecting base are mounted on the long plate, and a connecting body is mounted on one side face of the mounting base. The utility model solves the problems that the existing filling machine cannot realize synchronous operation of rotation of the turntable and screwing of the bottle cap, and the electric energy consumption of the existing filling machine is too much.

Description

Technical Field

[0001] The utility model relates to the technical field of filling, in particular to a water-soluble fertilizer filling machine. Background Art

[0002] Water-soluble fertilizers are divided into two types: solid and liquid. For fixed water-soluble fertilizers, filling is required through a filling machine. Existing filling machines for solid water-soluble fertilizers all put the bottles on a conveyor line, and then perform filling - capping - tightening - conveying.

[0003] According to the existing filling machines, when tightening, it is necessary to move the telescopic motor so that the rotating sleeve contacts the bottle cap and rotates, and the turntable also needs to be driven by the servo motor to rotate. It is impossible to achieve synchronization between the rotation of the turntable and the tightening of the bottle cap, that is, it is impossible to achieve two operations of rotation and tightening the bottle cap by one servo motor, thus causing excessive energy consumption problems.

[0004] Therefore, in order to realize the synchronous operation of the turntable rotation and the tightening of the bottle cap, which can be realized by a servo motor and can reduce the energy consumption of electric energy, a water-soluble fertilizer filling machine is proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a water-soluble fertilizer filling machine, which solves the problems that the prior filling machine cannot realize synchronous operation of the turntable rotation and the tightening of the bottle cap, and the prior filling machine consumes too much electric energy.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water-soluble fertilizer filling machine, including a filling machine frame, a workbench, a conveyor line, a mixed filling structure, a bottle cap tightening structure, a bottle cap feeding structure, and a rotating structure. The upper end surface of the filling machine frame is equipped with a workbench, and a linkage structure is installed in the filling machine frame, which can realize the bottle cap tightening structure to move up and down and can drive the rotating structure to rotate. The linkage structure includes a driving structure, a rotating structure and a driving structure, and the rotating structure includes a rotating shaft connected to the driving structure, a driving sleeve is installed on the surface of the rotating shaft, and an eccentric wheel is installed on the right surface of the rotating shaft. The driving structure is located below the rotating structure, and the driving structure includes a long shaft located below the rotating shaft. A plate, a second mounting seat and a connecting seat are installed on the long plate, a connecting body is installed on one side of the second mounting seat, a shaft sleeve is installed on one end of the connecting body, the shaft sleeve is arranged on the surface of the rotating shaft, a movable body is movably installed in the connecting seat, a pulley is movably installed on the side of one end of the movable body, the pulley is in contact with the eccentric wheel, and a connecting rod is movably installed on the upper end surface of the movable body, the connecting rod is connected to the bottle cap tightening structure, and its rotating structure also includes a connecting flange installed on the lower end surface of the workbench, a turntable is connected to the lower end of the connecting flange, and driving rings are distributed in a circular array on the lower end surface of the turntable, the driving ring is in contact with the driving sleeve, a bearing is installed in the connecting flange, the turntable is connected to the inner ring of the bearing and extends upward to above the workbench and is connected to the rotating structure.

[0007] Through the above technical solution, further, the driving structure includes a servo motor installed at the bottom of the filling machine frame, and a first mounting plate connected through a mounting column, a reduction gearbox is installed on the upper end of the first mounting plate, the servo motor and the reduction gearbox are connected through a belt drive, and the output end of the reduction gearbox is connected to the rotating shaft.

[0008] Furthermore, the rotating structure includes a double-layer turntable installed on the upper end surface of the workbench, the end surface of the double-layer turntable is in a circular array with arc-shaped openings, and the lower end of the double-layer turntable is connected to the turntable.

[0009] As a preferred technical solution, the bottle cap tightening structure includes a first connecting plate installed on the upper end of the connecting rod, a mounting column is symmetrically installed on the upper end surface of the first connecting plate and extends above the workbench, a second mounting plate is fixedly installed on the surface above the mounting column, a motor is installed on the upper end surface of the second mounting plate, and a rotating sleeve is connected to the output end of the motor.

[0010] Furthermore, a third mounting seat is installed on the upper end of the workbench, a first cylinder is installed on the upper end of the third mounting seat, and a clamping block is connected to the telescopic end of the first cylinder.

[0011] As a preferred technical solution, a protective seat is installed at the upper end of the workbench and at the periphery of the double-layer turntable, a double-layer protective plate is installed on the upper end surface of the protective seat, a mounting protrusion is installed at the upper end of the workbench below the protective seat, a weighing sensor is installed on the upper end of the mounting protrusion, and a weighing seat is installed on the upper end of the weighing sensor.

[0012] Furthermore, the mixed filling structure includes a first mounting frame installed on the upper end of the filling machine frame, a mixing box is installed on the upper end of the first mounting frame, the lower end of the mixing box is connected to a feed box and is communicated with each other, a first reduction motor is installed on the rear end face of the mixing box, the output end of the first reduction motor is connected to a first rotating shaft, a stirring rod is provided on the surface of the first rotating shaft, a second reduction motor is installed on the rear end face of the feed box, the output end of the second reduction motor is connected to a second rotating shaft, a spiral plate is installed on the surface of the second rotating shaft, a discharge pipe is provided on the lower end face of the feed box, and the discharge pipe corresponds to the arc-shaped opening provided on the end face of the double-layer turntable.

[0013] As a preferred technical solution, the conveyor line is installed on the upper end of the workbench and below the double-layer turntable. A second connecting plate is also installed on the upper end of the workbench. A first connecting column is symmetrically installed on the upper end of the second connecting plate. A movable plate is installed on the surface of the first connecting column. A second cylinder is installed on the upper end of the movable plate. A blocking plate is installed on the telescopic end of the second cylinder.

[0014] Furthermore, the bottle cap feeding structure includes a movable frame located behind the filling machine frame, a placing box is installed at the upper end of the movable frame, a servo motor is installed at the lower end of the placing box, a turntable is installed in the placing box, the turntable is connected to the output end of the servo motor, an opening is opened on the outer surface of the placing box, a second mounting frame is installed on the front side of the movable frame and corresponds to the opening, a second connecting column is symmetrically installed on the front side of the upper end of the second mounting frame and is connected to the upper end of the workbench, a third mounting plate is installed on the surface of the second connecting column, a third cylinder is installed on the upper end surface of the third mounting plate, a suction structure is installed on the telescopic end of the third cylinder, and the suction structure includes a fixed plate, columns are symmetrically installed on the surface of the fixed plate, a connecting block is installed on the surface of the column, the rear end surface of the connecting block is connected to the telescopic end of the third cylinder, the upper end of the column is connected to the fixed plate, a fourth cylinder is installed on the upper end of the connecting block, the telescopic end of the fourth cylinder is connected to the fixed plate, and a suction nozzle is installed on the lower end surface of the fixed plate.

[0015] As a preferred technical solution, a first mounting seat is installed at the bottom of the inner side of the filling machine frame, and a bearing seat is installed at the upper end of the first mounting seat, and its rotating shaft crosses the bearing seat.

[0016] Compared with the prior art, the utility model provides a water-soluble fertilizer filling machine, which has the following beneficial effects:

[0017] 1. The irrigation machine, through the action of the servo motor, drives the reduction box to rotate through the belt transmission, thereby driving the rotating shaft to rotate. When the rotating shaft rotates, it drives the sleeve to rotate. When the rotating sleeve rotates one circle, it drives the driving ring to rotate one driving ring position, thereby driving the turntable to rotate and then driving the double-layer turntable to rotate through the connecting flange to realize the movement of the container bottle on the double-layer turntable. Secondly, the eccentric wheel is driven to rotate through the rotation of the rotating shaft. Through the eccentric wheel and the pulley, the eccentric wheel will drive the pulley to move up and down during rotation, thereby driving the movable body to move, thereby driving the first connecting plate to move up and down through the connecting rod, and driving the rotating sleeve to tighten the bottle cap onto the container bottle through the start of the motor, thereby solving the problem that the existing filling machine cannot realize the synchronous operation of the turntable rotation and the tightening of the bottle cap, and the two operations of rotation and tightening the bottle cap can be realized by a servo motor, and the problem of excessive electrical energy consumption of the existing filling machine is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a water-soluble fertilizer filling machine of the utility model;

[0019] Figure 2 This is a schematic diagram of the workbench structure of a water-soluble fertilizer filling machine of the utility model;

[0020] Figure 3 This is a schematic diagram of the driving structure of a water-soluble fertilizer filling machine of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of a driving sleeve of a water-soluble fertilizer filling machine of the utility model;

[0022] Figure 5 This is a schematic diagram of the long plate structure of a water-soluble fertilizer filling machine of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of a blocking plate of a water-soluble fertilizer filling machine of the utility model;

[0024] Figure 7 This is a schematic diagram of the double-layer turntable structure of a water-soluble fertilizer filling machine of the utility model;

[0025] Figure 8 This is a schematic diagram of the structure of a weighing seat of a water-soluble fertilizer filling machine of the utility model;

[0026] Fig. 9 This is a schematic diagram of the mixed filling structure of a water-soluble fertilizer filling machine of the utility model;

[0027] Fig.10 This is a half-section schematic diagram of a mixed filling structure of a water-soluble fertilizer filling machine of the utility model;

[0028] Fig.11The utility model is a schematic diagram of the bottle cap feeding structure of a water-soluble fertilizer filling machine.

[0029] In the figure: 1. filling machine frame; 2. workbench; 3. conveyor line; 4. mixed filling structure; 401. first mounting frame; 402. mixing box; 403. feed box; 404. first reduction motor; 405. first rotating shaft; 406. stirring rod; 407. second reduction motor; 408. second rotating shaft; 409. feeding pipe; 5. first mounting plate; 6. servo motor; 7. reduction box; 8. rotating shaft; 9. first mounting seat; 10. bearing seat; 11. driving sleeve; 12. turntable; 13. driving ring; 14. connecting flange; 15. double-layer turntable; 16. long board; 17. eccentric wheel; 18. second mounting seat; 19. connecting seat; 20. connecting body; 21. shaft sleeve; 22. movable body; 23. pulley; 24. connecting Rod; 25, third mounting seat; 26, first cylinder; 27, clamping block; 28, mounting column; 29, first connecting plate; 30, second mounting plate; 31, motor; 32, rotating sleeve; 33, protective seat; 34, double-layer protective plate; 35, mounting protrusion; 36, weighing sensor; 37, weighing seat; 38, second connecting plate; 39, first connecting column; 40, movable plate; 41, second cylinder; 42, blocking plate; 43, bottle cap feeding structure; 4301, movable frame; 4302, placement box; 4303, suction nozzle; 4304, second mounting frame; 4305, second connecting column; 4306, third mounting plate; 4307, third cylinder; 4308, connecting block; 4309, fourth cylinder; 4310, fixed plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example

[0032] See also Figure 1-11The utility model provides the following technical solutions: a water-soluble fertilizer filling machine, including a filling machine frame 1, a workbench 2, a conveyor line 3, a mixed filling structure 4, a bottle cap tightening structure, a bottle cap feeding structure 43, and a rotating structure. The workbench 2 is installed on the upper end surface of the filling machine frame 1, and a linkage structure is installed in the filling machine frame 1, which can realize the bottle cap tightening structure to move up and down and can drive the rotating structure to rotate. The linkage structure includes a driving structure, a rotating structure and a driving structure, and the rotating structure includes a rotating shaft 8 connected to the driving structure, and a driving sleeve 11 is installed on the surface of the rotating shaft 8. An eccentric wheel 17 is installed on the right surface of the rotating shaft 8. The driving structure is located below the rotating structure, and the driving structure includes a long plate 16 located below the rotating shaft 8, and a second mounting seat 18 and a connecting seat 1 are installed on the long plate 16. 9, a connector 20 is installed on one side of the second mounting seat 18, a sleeve 21 is installed on one end of the connector 20, and the sleeve 21 is sleeved on the surface of the rotating shaft 8. A movable body 22 is movably installed in the connecting seat 19, a pulley 23 is movably installed on the side of one end of the movable body 22, the pulley 23 is in contact with the eccentric wheel 17, and a connecting rod 24 is movably installed on the upper end surface of the movable body 22, and the connecting rod 24 is connected to the bottle cap tightening structure, and its rotating structure also includes a connecting flange 14 installed on the lower end surface of the workbench 2, a turntable 12 is connected to the lower end of the connecting flange 14, and a driving ring 13 is distributed on the lower end surface of the turntable 12 in a circular array, and the driving ring 13 is in contact with the driving sleeve 11, and a bearing is installed in the connecting flange 14, and the turntable 12 is connected to the inner ring of the bearing and extends upward to the top of the workbench 2 and is connected to the rotating structure.

[0033] In this embodiment, the specific working principle is as follows: when the container bottle is transmitted from the conveyor line 3, the driving structure rotating shaft 8 rotates, thereby driving the driving sleeve 11 to rotate. Each rotation of the driving sleeve 11 can drive the driving ring 11 to move, thereby driving the turntable 12 to rotate, and driving the rotating structure to rotate through the connecting flange 14, and then the container bottle moves to the rotating structure through the rotating structure, and is filled through the mixing filling structure 4, and then the bottle cap is placed on the bottle mouth of the container bottle through the bottle cap feeding structure 43, and after filling, The rotation of the rotating shaft 8 drives the eccentric wheel 17 to rotate. At this time, the pulley 23 contacts the eccentric wheel 17, which can drive the movable body 22 to rise and fall, and then drive the bottle cap tightening structure to move through the connecting rod 24 to tighten the bottle cap of the container bottle. Therefore, the present filling machine solves the problem that the existing filling machine cannot realize the synchronous operation of the rotation of the turntable 12 and the tightening of the bottle cap through the above method, and the present filling machine only needs one servo motor 6 to realize the synchronous operation of the two steps, thereby reducing the problem of excessive power consumption of the existing filling machine.

[0034] According to the above, how the driving structure drives the rotating shaft 8 to rotate can be specifically referred to in Figure 3It can be seen that the driving structure includes a servo motor 6 installed at the bottom of the filling machine frame 1, and a first mounting plate 5 connected through a mounting column. A reduction box 7 is installed on the upper end of the first mounting plate 5. The servo motor 6 is connected to the reduction box 7 through a belt drive, and the output end of the reduction box 7 is connected to the rotating shaft 8. The servo motor 6 is connected to the reduction box 7 through a belt drive, thereby driving the reduction box 7 to rotate, thereby realizing the rotation of the rotating shaft 8.

[0035] The specific details of the rotation structure can be found in Figure 3 It can be seen that the rotating structure includes a double-layer turntable 15 installed on the upper end surface of the workbench 2. The end surface of the double-layer turntable 15 is in a circular array with arc-shaped openings for easy entry of container bottles. The lower end of the double-layer turntable 15 is connected to the turntable 12.

[0036] How to tighten the bottle cap can be found in Figure 3 It can be seen that the bottle cap tightening structure includes a first connecting plate 29 installed on the upper end of the connecting rod 24, and a mounting column 28 is symmetrically installed on the upper end surface of the first connecting plate 29 and extends to the top of the workbench 2, and a second mounting plate 30 is fixedly installed on the surface above the mounting column 28, and a motor 31 is installed on the upper end surface of the second mounting plate 30, and a rotating sleeve 32 is connected to the output end of the motor 31. The motor 31 rotates to realize the rotation of the rotating sleeve 32, thereby realizing the tightening of the bottle cap.

[0037] In order to ensure the stability of the container bottle when the bottle cap is tightened, please refer to Figure 3 It can be seen that a third mounting seat 25 is installed on the upper end of the workbench 2 , a first cylinder 26 is installed on the upper end of the third mounting seat 25 , and a clamping block 27 is connected to the telescopic end of the first cylinder 26 .

[0038] In order to prevent the container bottle from falling when entering the opening of the outer periphery of the double-layer turntable 15, and to detect the weight of the material entering the container bottle, please refer to Figure 7 and Figure 8 It can be seen that a protective seat 33 is installed at the upper end of the workbench 2 and at the periphery of the double-layer turntable 15, a double-layer protective plate 34 is installed on the upper end surface of the protective seat 33, and a mounting protrusion 35 is installed at the upper end of the workbench 2 below the protective seat 33, a weighing sensor 36 is installed on the upper end of the mounting protrusion 35, and a weighing seat 37 is installed on the upper end of the weighing sensor 36.

[0039] Mixed filling structure 4 can be found in detail Fig. 9 and Fig.10It can be seen that the mixed filling structure 4 includes a first mounting frame 401 mounted on the upper end of the filling machine frame 1, a mixing box 402 is mounted on the upper end of the first mounting frame 401, a feeding box 403 is connected to the lower end of the mixing box 402 and is in communication with each other, a first reduction motor 404 is mounted on the rear end surface of the mixing box 402, a first rotating shaft 405 is connected to the output end of the first reduction motor 404, a stirring rod 406 is arranged on the surface of the first rotating shaft 405, a second reduction motor 407 is mounted on the rear end surface of the feeding box 403, a second rotating shaft 408 is connected to the output end of the second reduction motor 407, a screw rod 406 is arranged on the surface of the second rotating shaft 408, and a second reduction motor 407 is mounted on the rear end surface of the feeding box 403. The rotary plate has a feed box 403 with a discharge pipe 409 at the lower end thereof, and the discharge pipe 409 corresponds to the arc-shaped opening at the end of the double-layer turntable 15. The water-soluble fertilizer is poured into the mixing box 402, and the first shaft 405 is driven to rotate by the first reduction motor 404, and then the water-soluble fertilizer is stirred by the stirring rod 406 to prevent adhesion. The fertilizer then enters the feed box 403, and the second shaft 408 is driven to rotate by the second reduction motor 407, thereby driving the spiral plate to rotate, so that the fertilizer enters the container bottle on the double-layer turntable 15 through the discharge pipe 409.

[0040] When the set weight reaches the preset value, how to block the fertilizer in the feeding pipe 409 to prevent it from falling? Figure 1 and Figure 2 as well as Figure 6 It can be seen that the conveyor line 3 is installed on the upper end of the workbench 2 and is located below the double-layer turntable 15. A second connecting plate 38 is also installed on the upper end of the workbench 2. A first connecting column 39 is symmetrically installed on the upper end of the second connecting plate 38. A movable plate 40 is installed on the surface of the first connecting column 39. A second cylinder 41 is installed on the upper end of the movable plate 40. A blocking plate 42 is installed at the telescopic end of the second cylinder 41. When the weight detected by the weighing sensor 36 reaches the preset value, the second cylinder 41 starts to drive the blocking plate 42 to block the discharge pipe 409.

[0041] See also Fig.11It can be seen that the bottle cap feeding structure 43 includes a movable frame 4301 located at the rear of the filling machine frame 1, a placing box 4302 is installed on the upper end of the movable frame 4301, a servo motor is installed on the lower end of the placing box 4302, a turntable is installed in the placing box 4302, and the turntable is connected to the output end of the servo motor. An opening is opened on the outer surface of the placing box 4302, and a second mounting frame 4304 is installed on the front side of the movable frame 4301 and corresponds to the opening. A second connecting column 4305 is symmetrically installed on the front side of the upper end of the second mounting frame 4304 and is connected to the upper end of the workbench 2, a third mounting plate 4306 is installed on the surface of the second connecting column 4305, a third cylinder 4307 is installed on the upper end surface of the third mounting plate 4306, and a suction structure is installed on the telescopic end of the third cylinder 4307, and the suction structure includes a fixed plate 4310, columns are symmetrically installed on the surface of the fixed plate 4310, and a connecting block 4308 is installed on the surface of the column , the rear end face of the connecting block 4308 is connected to the telescopic end of the third cylinder 4307, the upper end of the column is connected to a fixed plate, the upper end of the connecting block 4308 is installed with a fourth cylinder 4309, the telescopic end of the fourth cylinder 4309 is connected to the fixed plate, and the lower end face of the fixed plate 4310 is installed with a suction nozzle 4303, the bottle cap is placed on the turntable, and then the servo motor is started to drive the turntable to rotate, and then the bottle cap on the turntable enters the second mounting frame 4304 as it rotates, and as the bottle cap increases, the bottle cap will be pushed to move outward, and then the third cylinder 4307 contracts, the fourth cylinder 4309 extends, and the bottle cap is sucked by the suction force of the suction nozzle 4303, and then the fourth cylinder 4309 contracts, and the third cylinder 4307 extends to move the bottle cap to the top of the container bottle, and then the fourth cylinder 4309 extends, and the suction nozzle 4303 is closed, so that the bottle cap falls on the bottle mouth of the container, thereby facilitating the subsequent tightening operation.

[0042] In order to keep the rotating shaft 8 rotating smoothly, please refer to Figure 4 It can be seen that a first mounting seat 9 is installed at the bottom of the inner side of the filling machine frame 1 , a bearing seat 10 is installed at the upper end of the first mounting seat 9 , and the rotating shaft 8 thereof crosses the bearing seat 10 .

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A water-soluble fertilizer filling machine, comprising a filling machine frame (1), a workbench (2), a conveyor line (3), a mixing and filling structure (4), a bottle cap tightening structure, a bottle cap feeding structure (43), and a rotating structure, wherein the workbench (2) is installed on the upper end surface of the filling machine frame (1), and the characteristics are: A linkage structure is installed in a filling machine frame (1) to enable a bottle cap tightening structure to move up and down and to drive a rotating structure to rotate. The linkage structure includes a driving structure, a rotating structure and a driving structure. The rotating structure includes a rotating shaft (8) connected to the driving structure. A driving sleeve (11) is installed on the surface of the rotating shaft (8). An eccentric wheel (17) is installed on the right surface of the rotating shaft (8). The driving structure is located below the rotating structure. The driving structure includes a long plate (16) located below the rotating shaft (8). A second mounting seat (18) and a connecting seat (19) are installed on the long plate (16). A connector (20) is installed on one side of the second mounting seat (18). A shaft sleeve (21) is installed on one end of the connector (20). The shaft sleeve (21) is sleeved on the surface of the rotating shaft (8). A movable body (22) is movably mounted in the connecting seat (19), a pulley (23) is movably mounted on the side of one end of the movable body (22), the pulley (23) is in contact with the eccentric wheel (17), and a connecting rod (24) is movably mounted on the upper end surface of the movable body (22), the connecting rod (24) is connected to the bottle cap tightening structure, and its rotating structure also includes a connecting flange (14) mounted on the lower end surface of the workbench (2), the lower end of the connecting flange (14) is connected to a turntable (12), the lower end surface of the turntable (12) is provided with driving rings (13) in a circular array, the driving rings (13) are in contact with the driving sleeve (11), a bearing is mounted in the connecting flange (14), the turntable (12) is connected to the inner ring of the bearing and extends upward to the top of the workbench (2) and is connected to the rotating structure.

2. A water-soluble fertilizer filling machine according to claim 1, characterized in that: The driving structure comprises a servo motor (6) mounted on the bottom of the filling machine frame (1), and a first mounting plate (5) connected via mounting columns, a reduction box (7) being mounted on the upper end of the first mounting plate (5), the servo motor (6) and the reduction box (7) being connected via a belt drive, and the output end of the reduction box (7) being connected to a rotating shaft (8).

3. The water-soluble fertilizer filling machine according to claim 1, characterized in that: The rotating structure comprises a double-layer turntable (15) mounted on the upper end surface of the workbench (2), the end surface of the double-layer turntable (15) is provided with arc-shaped openings in a circular array, and the lower end of the double-layer turntable (15) is connected to the turntable (12).

4. The water-soluble fertilizer filling machine according to claim 1, characterized in that: The bottle cap tightening structure comprises a first connecting plate (29) mounted on the upper end of a connecting rod (24); a mounting column (28) is symmetrically mounted on the upper end surface of the first connecting plate (29) and extends above the workbench (2); a second mounting plate (30) is fixedly mounted on the upper surface of the mounting column (28); a motor (31) is mounted on the upper end surface of the second mounting plate (30); and a rotating sleeve (32) is connected to the output end of the motor (31).

5. The water-soluble fertilizer filling machine according to claim 1, characterized in that: A third mounting seat (25) is installed on the upper end of the workbench (2), a first cylinder (26) is installed on the upper end of the third mounting seat (25), and a clamping block (27) is connected to the telescopic end of the first cylinder (26).

6. The water-soluble fertilizer filling machine according to claim 1, characterized in that: A protective seat (33) is installed at the upper end of the workbench (2) and at the periphery of the double-layer turntable (15), and a double-layer protective plate (34) is installed on the upper end surface of the protective seat (33). A mounting protrusion (35) is installed at the upper end of the workbench (2) below the protective seat (33), a weighing sensor (36) is installed at the upper end of the mounting protrusion (35), and a weighing seat (37) is installed at the upper end of the weighing sensor (36).

7. The water-soluble fertilizer filling machine according to claim 1, characterized in that: The mixing and filling structure (4) comprises a first mounting frame (401) mounted on the upper end of the filling machine frame (1); a mixing box (402) is mounted on the upper end of the first mounting frame (401); a feeding box (403) is connected to the lower end of the mixing box (402) and is in communication with the mixing box; a first reduction motor (404) is mounted on the rear end surface of the mixing box (402); a first rotating shaft (405) is connected to the output end of the first reduction motor (404); a stirring rod (406) is arranged on the surface of the first rotating shaft (405); a second reduction motor (407) is mounted on the rear end surface of the feeding box (403); a second rotating shaft (408) is connected to the output end of the second reduction motor (407); a spiral plate is mounted on the surface of the second rotating shaft (408); a feeding tube (409) is provided on the lower end surface of the feeding box (403); the feeding tube (409) corresponds to the arc-shaped opening arranged on the end surface of the double-layer turntable (15).

8. The water-soluble fertilizer filling machine according to claim 1, characterized in that: The conveying line (3) is installed at the upper end of the workbench (2) and is located below the double-layer turntable (15). A second connecting plate (38) is also installed at the upper end of the workbench (2). A first connecting column (39) is symmetrically installed at the upper end of the second connecting plate (38). A movable plate (40) is installed on the surface of the first connecting column (39). A second cylinder (41) is installed at the upper end of the movable plate (40). A blocking plate (42) is installed at the telescopic end of the second cylinder (41).

9. The water-soluble fertilizer filling machine according to claim 1, characterized in that: The bottle cap feeding structure (43) comprises a movable frame (4301) located at the rear of the filling machine frame (1), a placing box (4302) is installed at the upper end of the movable frame (4301), a servo motor is installed at the lower end of the placing box (4302), a turntable is installed in the placing box (4302), and the turntable is connected to the output end of the servo motor, an opening is opened on the outer surface of the placing box (4302), a second mounting frame (4304) is installed on the front side of the movable frame (4301) and corresponds to the opening, a second connecting column (4305) is symmetrically installed on the front side of the upper end of the second mounting frame (4304) and is connected to the upper end of the workbench (2), and a second connecting column (4305) is installed on the surface of the second connecting column (4305). Three mounting plates (4306), a third cylinder (4307) is mounted on the upper end surface of the third mounting plate (4306), a suction structure is mounted on the telescopic end of the third cylinder (4307), and the suction structure comprises a fixed plate (4310), columns are symmetrically mounted on the surface of the fixed plate (4310), a connecting block (4308) is mounted on the surface of the column, a rear end surface of the connecting block (4308) is connected to the telescopic end of the third cylinder (4307), the upper end of the column is connected to the fixed plate, a fourth cylinder (4309) is mounted on the upper end of the connecting block (4308), the telescopic end of the fourth cylinder (4309) is connected to the fixed plate, and a suction nozzle (4303) is mounted on the lower end surface of the fixed plate (4310).

10. The water-soluble fertilizer filling machine according to claim 1, characterized in that: A first mounting seat (9) is installed at the bottom of the inner side of the filling machine frame (1), and a bearing seat (10) is installed at the upper end of the first mounting seat (9), and its rotating shaft (8) crosses the bearing seat (10).

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