A green pesticide preparation concentration device

Abstract

The present invention relates to the technical field of concentrating devices, and discloses a green pesticide formulation concentrating device, comprising a concentrating box, wherein the outer surface of one side of the concentrating box is provided with a feed port, a feed hopper is fixedly mounted on the outer surface of the concentrating box, a feed pipe that is connected to each other is fixedly mounted between the bottom end of the feed hopper and the feed port, and a heating coil is rotatably mounted between the inner walls of the opposite sides of the concentrating box, one end of the heating coil is a closed structure, and a plurality of receiving grooves are evenly distributed throughout the outer periphery of the heating coil, and a heating block is slidably mounted on the inner wall of each receiving groove. The present invention drives the heating coil to rotate clockwise by a stepping motor, so that the surface of the heating coil can adhere to a portion of the liquid medicine and rotate toward the discharge port. During the rotation, the temperature of the heating coil evaporates the water in the liquid medicine. The continuous rotation of the heating coil and the heating block can achieve continuous evaporation of the liquid medicine, thereby improving the concentration efficiency of the liquid medicine.

Description

Technical Field

[0001] The present invention relates to the technical field of concentration devices, and in particular to a green pesticide preparation concentration device. Background Art

[0002] Pesticides are chemical agents used in agriculture to control pests and diseases and regulate plant growth. Pesticide concentration involves heating and evaporating a mixed solution, followed by cooling and recovery. This process removes most of the water from the mixed solution, resulting in a more concentrated solution.

[0003] An existing pesticide preparation concentrating device (Announcement No.: CN219848169U) has at least the following disadvantages: the above patent pours the pesticide preparation into a loading barrel, heats the water in the water tank through an electric heating tube, and heats the loading barrel, thereby heating the pesticide preparation in the loading barrel, evaporating the water in the pesticide preparation, and thus concentrating the pesticide preparation; since the pesticide liquid is all loaded in the loading barrel, it is difficult to heat the liquid quickly, resulting in slow evaporation and concentration efficiency of the liquid. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a green pesticide preparation concentration device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A green pesticide formulation concentrating device comprises a concentration box, an outer surface of one side of the concentration box is provided with a feed port, a feed hopper is fixedly installed on the outer surface of the concentration box, a feed pipe that is connected to each other is fixedly installed between the bottom end of the feed hopper and the feed port, a heating ring is rotatably installed between the inner walls of the opposite sides of the concentration box, one end of the heating ring is a closed structure, a plurality of receiving grooves are evenly provided through the outer periphery of the heating ring, a heating block is slidably installed on the inner wall of each of the receiving grooves, a support block and a scraping block are fixedly installed on the bottom wall of the concentration box, the heating ring is installed between the support block and the scraping block, and the support block and the scraping block are both in contact with the outer surface of the heating ring, a discharge port is provided through the bottom wall of the concentration box near the scraping block, an exhaust pipe connected to the interior of the concentration box is fixedly installed on the outer surface of the side opposite to the feed hopper, and a moving mechanism is installed between the heating block and the concentration box.

[0007] In this embodiment, the moving mechanism includes a support column fixedly mounted on the inner wall on the opposite side of the concentration box and the closed end of the heating ring, a fixed disk fixedly mounted on the outer surface of the support column, two guide grooves are symmetrically provided on the outer surfaces on opposite sides of the fixed disk, a rectangular opening is provided through the outer surface of the heating block close to the fixed disk, guide columns are fixedly mounted on the inner walls on opposite sides of the rectangular opening, and the guide columns are slidably mounted on the inner walls of the guide grooves.

[0008] In this embodiment, the guide groove includes an inner ring groove and an outer ring groove, and the head and tail ends of the inner ring groove and the outer ring groove are connected to each other by an inclined groove.

[0009] In this embodiment, an intermittent feeding assembly is installed inside the feed port, and the intermittent feeding assembly includes a feed roller rotatably installed on the inner wall of the feed port. The feed roller is an incomplete cylindrical structure, and the outer periphery of the feed roller is in contact with the inner wall of the feed port.

[0010] In this embodiment, an arc-shaped spring piece is fixedly installed between the support block and the inner wall of the concentration box near the feed port, and is tilted toward the heating ring. The two ends of the arc-shaped spring piece are in contact with the inner wall of the concentration box, and a toggle assembly is installed between the arc-shaped spring piece and the feed roller.

[0011] In this embodiment, the toggle assembly includes a toggle plate rotatably mounted on the lower surface of the arc-shaped spring piece, a rotating rod is rotatably mounted between the outer surfaces of the opposite sides of the concentration box, a rotating ring is fixedly mounted on the outer surface of the rotating rod, and the end of the toggle plate away from the arc-shaped spring piece is rotatably mounted on the outer surface of the rotating ring, the outer surfaces of both ends of the rotating rod are fixedly mounted with toggle rods, and the rotation centers of both ends of the feed roller are fixedly mounted with fixed rings, and a plurality of push rods are evenly fixedly mounted on the outer periphery of the fixed ring, and the plurality of push rods are intermittently contacted with the toggle rod in turn.

[0012] In this embodiment, a door-type plate is fixedly installed on the outer surface of the concentration box, and a stepper motor is fixedly installed on the outer surface of the door-type plate. The output end of the stepper motor passes through the inner wall of the concentration box and is fixedly installed with the rotation center of the closed end of the heating ring. A transmission assembly is installed between the feed roller and the output end of the stepper motor.

[0013] In this embodiment, the transmission assembly includes two transmission pulleys fixedly mounted on the rotation center of one end of the feed roller and the output end of the stepper motor respectively, and the outer surfaces of the two transmission pulleys are provided with transmission belts.

[0014] In this embodiment, a material receiving box is installed inside the concentration tank near the discharge port.

[0015] The beneficial effects of the present invention are:

[0016] 1. The heating coil is driven by a stepper motor to rotate clockwise, so that part of the liquid medicine adhered to the surface of the heating coil can rotate toward the discharge port. During the rotation, the temperature of the heating coil evaporates the water in the liquid medicine to obtain concentrated medicine, and the concentrated medicine adhered to the surface of the heating coil is scraped off by a scraping block, so that the concentrated medicine falls into the receiving box through the discharge port for collection. When the heating coil rotates, it will drive the heating block embedded on its outer surface to rotate synchronously. When the guide column installed on the heating block rotates to the inner ring groove, the guide column will drive the heating block to retract a certain distance into the receiving groove to expose part of the receiving groove, so that the heating coil can receive part of the liquid medicine when it rotates, thereby increasing the amount of liquid medicine carried by the heating coil, so as to evaporate and concentrate the liquid medicine more quickly and improve the concentration efficiency. Through the continuous rotation of the heating coil and the heating block, the continuous evaporation of the liquid medicine can be achieved, which can improve the concentration efficiency of the liquid medicine.

[0017] 2. While the stepper motor drives the heating coil to rotate, the feed roller is also driven to rotate through the drive pulley and the drive belt. Since the feed roller is an incomplete cylindrical structure, the missing part of the feed roller can intermittently open the feed port during rotation, allowing the liquid medicine in the feed hopper to intermittently pass through the feed port into the concentration tank, avoiding excessive liquid medicine entering at one time, resulting in excessive accumulation of liquid medicine at the arc-shaped spring piece, reducing the effective evaporation area on the surface of the heating coil, and affecting the evaporation and concentration efficiency and effect of the liquid medicine;

[0018] 3. While the feed roller is rotating, the push rod will be driven to rotate through the fixed ring, so that the push rod can push the dial rod downward, so that the dial rod drives the swivel to rotate through the rotating rod, so that the swivel can pull the arc-shaped spring piece downward through the dial plate, so that the arc-shaped spring piece is deformed. After the push rod is separated from the dial rod, the arc-shaped spring piece will bounce upward and reset under the action of its own elastic force, so that the arc-shaped spring piece can eject the liquid on its surface to the surface of the heating ring when it bounces, so that the surface of the heating ring can carry more liquid medicine, so as to further improve the evaporation and concentration efficiency of the liquid medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a green pesticide preparation concentration device proposed by the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of a concentration box of a green pesticide formulation concentration device proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the structure of the support block and scraping block of a green pesticide preparation concentration device proposed by the present invention;

[0022] Figure 4 This is a schematic diagram of the arc-shaped spring structure of a green pesticide preparation concentration device proposed by the present invention;

[0023] Figure 5 This is a schematic diagram of the back structure of a green pesticide preparation concentration device proposed by the present invention;

[0024] Figure 6 This is a schematic diagram of the heating ring structure of a green pesticide preparation concentration device proposed by the present invention;

[0025] Figure 7 This is a schematic diagram of the heating block structure of a green pesticide formulation concentration device proposed by the present invention;

[0026] Figure 8 This is a schematic diagram of the fixed disk structure of a green pesticide formulation concentration device proposed by the present invention;

[0027] Figure 9 for Figure 2 A magnified view of the structure at center A.

[0028] In the figure: 1. Concentration box; 2. Feed port; 3. Feed hopper; 4. Feed pipe; 5. Exhaust pipe; 6. Heating ring; 7. Receiving tank; 8. Heating block; 9. Support column; 10. Fixed plate; 11. Guide groove; 111. Inner ring groove; 112. Outer ring groove; 12. Rectangular opening; 13. Guide column; 14. Door plate; 15. Stepper motor; 16. Support block; 17. Scraper block; 18. Discharge port; 19. Receiving box; 20. Arc-shaped spring piece; 21. Feed roller; 22. Rotating rod; 23. Rotating ring; 24. Dial plate; 25. Dial rod; 26. Fixed ring; 27. Push rod; 28. Drive pulley; 29. Drive belt. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] Refer to the attached Figure 1 -Attached Figure 9, a green pesticide preparation concentration device includes a concentration box 1, the outer surface of one side of the concentration box 1 is penetrated with a feed port 2, the outer surface of the concentration box 1 is fixedly installed with a feed hopper 3, and a feed pipe 4 that is connected to each other is fixedly installed between the bottom end of the feed hopper 3 and the feed port 2, and a heating ring 6 is rotatably installed between the inner walls of the opposite sides of the concentration box 1, one end of the heating ring 6 is a closed structure, and a plurality of receiving grooves 7 are evenly penetrated around the outer periphery of the heating ring 6, and a heating block 8 is slidably installed on the inner wall of each receiving groove 7, and the heating ring 6 and the heating block 8 are both electrically heated, and when the heating block 8 is extended, it can form a complete arc structure with the outer periphery of the heating ring 6, so that the scraping block 17 can scrape off the liquid adhered to the surface of the heating ring 6 and the heating block 8; a supporting block 16 and a scraping block 17 are fixedly installed on the bottom wall of the concentration box 1, and the heating ring 6 is installed between the supporting block 16 and the scraping block 17, and the supporting block 16 and the scraping block 17 are A discharge port 18 is provided on the bottom wall of the concentration box 1 near the scraping block 17, which is in contact with the outer surface of the heating ring 6. An exhaust pipe 5 connected to the interior of the concentration box 1 is fixedly installed on the outer surface of the concentration box 1 opposite to the feed hopper 3. A condenser is installed on the exhaust pipe 5. During the evaporation and concentration operation of the liquid medicine, the steam in the liquid medicine is discharged through the exhaust pipe 5, and the condenser installed on the exhaust pipe 5 condenses the steam, condensing the steam into water droplets and collecting them. A moving mechanism is installed between the heating block 8 and the concentration box 1. A door plate 14 is fixedly installed on the outer surface of the concentration box 1. A stepping motor 15 is fixedly installed on the outer surface of the door plate 14. The output end of the stepping motor 15 passes through the inner wall of the concentration box 1 and is fixedly installed with the rotation center of the closed end of the heating ring 6. A transmission assembly is installed between the feed roller 21 and the output end of the stepping motor 15. A receiving box 19 is installed inside the concentration box 1 near the discharge port 18.

[0032] During use, the pesticide liquid is poured into the feed hopper 3, and flows to the arc-shaped spring piece 20 through the feed pipe 4 and the feed port 2. Since the arc-shaped spring piece 20 is inclined, the liquid will flow in the direction of the heating ring 6. The stepping motor 15 drives the heating ring 6 to rotate clockwise, so that part of the liquid adhering to the surface of the heating ring 6 can rotate toward the discharge port 18. During the rotation, the temperature of the heating ring 6 evaporates the water in the liquid to obtain a concentrated agent, and the scraping block 17 scrapes the concentrated agent adhering to the surface of the heating ring 6, so that the concentrated agent falls into the receiving box 19 through the discharge port 18 for collection.

[0033] In this embodiment, the moving mechanism includes a support column 9 fixedly mounted on the inner wall of the concentration tank 1 on the opposite side of the closed end of the heating ring 6, a fixed disk 10 is fixedly mounted on the outer surface of the support column 9, and two guide grooves 11 are symmetrically provided on the outer surfaces of the fixed disk 10 on opposite sides. A rectangular opening 12 is penetrated through the outer surface of the heating block 8 near the fixed disk 10, and guide columns 13 are fixedly mounted on the inner walls on opposite sides of the rectangular opening 12. The guide columns 13 are slidably mounted on the inner walls of the guide grooves 11, and the guide grooves 11 include an inner ring groove 111 and an outer ring groove 112. The head and tail ends of the inner ring groove 111 and the outer ring groove 112 are connected to each other by an inclined groove. The inner ring groove 111 is arranged on the upper side of the fixed disk 10, and the outer ring groove 112 is arranged on the lower side of the fixed disk 10.

[0034] When the heating coil 6 rotates, the heating block 8 embedded on its outer surface will be driven to rotate synchronously. When the guide post 13 installed on the heating block 8 rotates to the inner ring groove 111, the guide post 13 will drive the heating block 8 to retract a certain distance into the receiving groove 7 so as to expose part of the receiving groove 7, so that the heating coil 6 can receive part of the liquid medicine when rotating, thereby increasing the amount of liquid medicine carried by the heating coil 6, so as to evaporate and concentrate the liquid medicine more quickly and improve the concentration efficiency; when the guide post 13 rotates to the outer ring groove 112, the guide post 13 will drive the heating block 8 to move outward and reset to be flush with the surface of the heating coil 6, so that the heating block 8 will push the concentrated medicine out of the receiving groove 7, so that the subsequent scraping block 17 can scrape the concentrated medicine adhered to the surface of the heating coil 6 and the heating block 8.

[0035] In this embodiment, an intermittent feeding assembly is installed inside the feed port 2, and the intermittent feeding assembly includes a feed roller 21 rotatably installed on the inner wall of the feed port 2. The feed roller 21 is an incomplete cylindrical structure, and the outer periphery of the feed roller 21 is in contact with the inner wall of the feed port 2. The transmission assembly includes two transmission pulleys 28 respectively fixedly installed at the rotation center of one end of the feed roller 21 and the output end of the stepper motor 15. The outer surfaces of the two transmission pulleys 28 are provided with a transmission belt 29.

[0036] While the stepper motor 15 drives the heating coil 6 to rotate, the feed roller 21 will be driven to rotate through the drive pulley 28 and the drive belt 29. Since the feed roller 21 is an incomplete cylindrical structure, the missing part of the feed roller 21 can intermittently open the feed port 2 when rotating, so that the liquid medicine in the feed hopper 3 can intermittently enter the interior of the concentration tank 1 through the feed port 2, avoiding too much liquid medicine entering at one time, resulting in excessive accumulation of liquid medicine at the arc-shaped spring piece 20, reducing the effective evaporation area of the surface of the heating coil 6, and affecting the evaporation concentration efficiency and effect of the liquid medicine.

[0037] In this embodiment, an arc-shaped spring piece 20 is fixedly installed between the support block 16 and the inner wall of the concentrating tank 1 on the side close to the feed port 2, and is tilted toward the heating ring 6. The two ends of the arc-shaped spring piece 20 are in contact with the inner wall of the concentrating tank 1, and sealing gaskets are installed at both ends of the arc-shaped spring piece 20 to prevent the pesticide liquid from leaking from the two ends of the arc-shaped spring piece 20; a toggle assembly is installed between the arc-shaped spring piece 20 and the feed roller 21, and the toggle assembly includes a toggle plate 24 rotatably installed on the lower surface of the arc-shaped spring piece 20, and a rotating rod 22 is rotatably installed between the outer surfaces of the opposite sides of the concentrating tank 1, and a rotating ring 23 is fixedly installed on the outer surface of the rotating rod 22. One end of the toggle plate 24 away from the arc-shaped spring piece 20 is rotatably installed on the outer surface of the rotating ring 23, and a toggle rod 25 is fixedly installed on the outer surface of both ends of the rotating rod 22. A fixing ring 26 is fixedly installed at the rotation center of each end of the feed roller 21, and a plurality of push rods 27 are evenly fixedly installed on the outer periphery of the fixing ring 26, and the plurality of push rods 27 are intermittently contacted with the toggle rod 25 in sequence.

[0038] As the feed roller 21 rotates, the push rod 27 is driven to rotate through the fixed ring 26, so that the push rod 27 can push the dial rod 25 downward, so that the dial rod 25 drives the rotating ring 23 to rotate through the rotating rod 22, so that the rotating ring 23 can pull the arc-shaped spring piece 20 downward through the dial plate 24, causing the arc-shaped spring piece 20 to deform. After the push rod 27 is separated from the dial rod 25, the arc-shaped spring piece 20 will bounce upward and reset under the action of its own elastic force, so that the arc-shaped spring piece 20 can eject the liquid medicine on its surface toward the surface of the heating coil 6 when it bounces up, so that the surface of the heating coil 6 can carry more liquid medicine, so as to further improve the evaporation and concentration efficiency of the liquid medicine.

[0039] From the above description, it can be seen that the above-mentioned embodiment of the present invention achieves the following technical effects: when in use, the pesticide liquid is poured into the feed hopper 3, and flows to the arc-shaped spring piece 20 through the feed pipe 4 and the feed port 2. Since the arc-shaped spring piece 20 is inclined, the liquid will flow in the direction of the heating coil 6. The stepping motor 15 drives the heating coil 6 to rotate clockwise, so that part of the liquid adhering to the surface of the heating coil 6 can rotate toward the discharge port 18. During the rotation process, the temperature of the heating coil 6 evaporates the water in the liquid to obtain a concentrated agent, and the scraping block 17 scrapes the concentrated agent adhering to the surface of the heating coil 6, so that the concentrated agent falls into the receiving box 19 through the discharge port 18 for collection;

[0040] When the heating coil 6 rotates, it will drive the heating block 8 embedded in its outer surface to rotate synchronously. When the guide pillar 13 installed on the heating block 8 rotates to the inner ring groove 111, the guide pillar 13 will drive the heating block 8 to retract a certain distance into the receiving groove 7, so as to expose part of the receiving groove 7, so that the heating coil 6 can receive part of the liquid medicine during rotation, thereby increasing the amount of liquid medicine carried by the heating coil 6, so as to evaporate and concentrate the liquid medicine more quickly and improve the concentration efficiency.

[0041] When the guide post 13 rotates to the outer ring groove 112, the guide post 13 will drive the heating block 8 to move outward and reset to be flush with the surface of the heating ring 6, so that the heating block 8 pushes the concentrated medicine out of the receiving groove 7, so that the scraping block 17 can scrape the concentrated medicine adhering to the surface of the heating ring 6 and the heating block 8.

[0042] While the stepper motor 15 drives the heating coil 6 to rotate, the feed roller 21 is driven to rotate via the drive pulley 28 and the drive belt 29. Since the feed roller 21 is an incomplete cylindrical structure, the missing portion of the feed roller 21 can intermittently open the feed port 2 during rotation, allowing the liquid medicine in the feed hopper 3 to intermittently pass through the feed port 2 into the concentration tank 1, thereby preventing too much liquid medicine from entering at one time, resulting in excessive accumulation of liquid medicine at the arc-shaped spring piece 20, reducing the effective evaporation area on the surface of the heating coil 6, and affecting the evaporation and concentration efficiency and effect of the liquid medicine;

[0043] As the feed roller 21 rotates, the push rod 27 is driven to rotate through the fixed ring 26, so that the push rod 27 can push the dial rod 25 downward, so that the dial rod 25 drives the rotating ring 23 to rotate through the rotating rod 22, so that the rotating ring 23 can pull the arc-shaped spring piece 20 downward through the dial plate 24, causing the arc-shaped spring piece 20 to deform. After the push rod 27 is separated from the dial rod 25, the arc-shaped spring piece 20 will bounce upward and reset under the action of its own elastic force, so that the arc-shaped spring piece 20 can eject the liquid medicine on its surface toward the surface of the heating coil 6 when it bounces up, so that the surface of the heating coil 6 can carry more liquid medicine, so as to further improve the evaporation and concentration efficiency of the liquid medicine.

[0044] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A green pesticide preparation concentration device, comprising a concentration tank (1), characterized in that: A feed port (2) is provided through the outer surface of one side of the concentration box (1), a feed hopper (3) is fixedly installed on the outer surface of the concentration box (1), and a feed pipe (4) that is connected to each other is fixedly installed between the bottom end of the feed hopper (3) and the feed port (2). A heating ring (6) is rotatably installed between the inner walls of the opposite sides of the concentration box (1), one end of the heating ring (6) is a closed structure, and a plurality of receiving grooves (7) are evenly provided through the outer periphery of the heating ring (6), and a heating block (8) is slidably installed on the inner wall of each receiving groove (7). A support block (16) and a scraping block (17) are fixedly installed on the bottom wall of the concentration box (1), the heating ring (6) is installed between the support block (16) and the scraping block (17), and the support block (16) and the scraping block (17) are both in contact with the outer surface of the heating ring (6), and a discharge port (18) is provided through the bottom wall of the concentration box (1) near the scraping block (17). An exhaust pipe (5) communicating with the interior of the concentrating box (1) is fixedly installed on the outer surface of the side opposite to the feed hopper (3), and a moving mechanism is installed between the heating block (8) and the concentration box (1). The moving mechanism includes a support column (9) fixedly installed on the inner wall of the concentration box (1) on the side opposite to the closed end of the heating ring (6). A fixed disk (10) is fixedly installed on the outer surface of the support column (9), and two guide grooves (11) are symmetrically provided on the outer surfaces of the opposite sides of the fixed disk (10). A rectangular opening (12) is provided through the outer surface of the heating block (8) near the fixed disk (10), and guide columns (13) are fixedly installed on the inner walls of the opposite sides of the rectangular opening (12). The guide columns (13) are slidably installed with the inner wall of the guide groove (11), and the guide groove (11) includes an inner ring groove (111) and an outer ring groove (112). The head and tail ends of the inner ring groove (111) and the outer ring groove (112) are connected to each other by an inclined groove.

2. A green pesticide preparation concentration device according to claim 1, characterized in that: An intermittent feeding assembly is installed inside the feed port (2), and the intermittent feeding assembly includes a feed roller (21) rotatably installed on the inner wall of the feed port (2). The feed roller (21) is an incomplete cylindrical structure, and the outer periphery of the feed roller (21) is in contact with the inner wall of the feed port (2).

3. The green pesticide preparation concentration device according to claim 1, characterized in that: An arc-shaped spring piece (20) is fixedly installed between the support block (16) and the inner wall of the concentration box (1) near the feed port (2), and is tilted toward the heating ring (6). Both ends of the arc-shaped spring piece (20) are in contact with the inner wall of the concentration box (1), and a toggle assembly is installed between the arc-shaped spring piece (20) and the feed roller (21).

4. A green pesticide preparation concentration device according to claim 3, characterized in that: The shifting assembly includes a shifting plate (24) rotatably mounted on the lower surface of the arc-shaped spring piece (20), a rotating rod (22) is rotatably mounted between the outer surfaces of the opposite sides of the concentration box (1), a rotating ring (23) is fixedly mounted on the outer surface of the rotating rod (22), and the shifting plate (24) is rotatably mounted on the outer surface of the rotating ring (23) at one end away from the arc-shaped spring piece (20), a shifting rod (25) is fixedly mounted on the outer surface of both ends of the rotating rod (22), and a fixed ring (26) is fixedly mounted at the rotation center of both ends of the feed roller (21), and a plurality of push rods (27) are evenly fixedly mounted on the outer periphery of the fixed ring (26), and the plurality of push rods (27) are intermittently contacted with the shifting rod (25) in sequence.

5. The green pesticide preparation concentration device according to claim 4, characterized in that: A door-shaped plate (14) is fixedly mounted on the outer surface of the concentration box (1), and a stepper motor (15) is fixedly mounted on the outer surface of the door-shaped plate (14). The output end of the stepper motor (15) passes through the inner wall of the concentration box (1) and is fixedly mounted to the rotation center of the closed end of the heating ring (6). A transmission assembly is installed between the feed roller (21) and the output end of the stepper motor (15).

6. The green pesticide preparation concentration device according to claim 5, characterized in that: The transmission assembly comprises two transmission pulleys (28) respectively fixedly mounted on the rotation center of one end of the feed roller (21) and the output end of the stepper motor (15), and the outer surfaces of the two transmission pulleys (28) are provided with transmission belts (29).

7. The green pesticide preparation concentration device according to claim 1, characterized in that: A material receiving box (19) is installed inside the concentration tank (1) near the discharge port (18).

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