CN215654833U

CN215654833U - Farmland spraying equipment adds medicine and adds medicine machine

Info

Publication number: CN215654833U
Application number: CN202122053085.8U
Authority: CN
Inventors: 陈喜民; 陈旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-28
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a dosing and medicine mixing machine for farmland spraying equipment, and relates to the technical field of pesticide equipment. The utility model aims to solve the problems that in the prior art, the proportion of pesticide liquid of a pesticide mixing device is not accurately regulated, pesticide and water are not uniformly mixed, the concentration of the pesticide liquid is easily uneven, and the whole weight of the device is larger due to the adoption of a plurality of water pumps when the pesticide mixing device realizes various operations such as pesticide bottle brushing, pesticide mixing and the like. The bottle brushing and mixing machine comprises a medicine box, a rack, a variable frequency pump, a bottle brushing device and a stirrer, wherein the medicine box is arranged at the upper part of the rack, the position of a box opening of the medicine box is connected with the bottle brushing device, the stirrer is arranged on the wall of the bottom of the inner part of the medicine box, the lower part of the rack is connected with the variable frequency pump, one side of the upper part of the rack is connected with a water distributor, the water distributor is respectively connected with a group of valve switches and a water pipe, the medicine mixing machine is powered by the variable frequency pump, and the bottle brushing device and the stirrer are controlled by the water distributor, the switches and the water pipe together to realize the functions of bottle brushing, stirring and medicine mixing. The utility model is used for dosing and blending chemicals for farmland spraying equipment.

Description

Farmland spraying equipment adds medicine and adds medicine machine

Technical Field

The utility model relates to the technical field of pesticide equipment, in particular to a pesticide adding and mixing machine for farmland spraying equipment.

Background

The pesticide refers to chemical synthesis for preventing and controlling diseases, insects, grass and other harmful organisms harming agriculture and forestry, and purposefully regulating, controlling and influencing metabolism, growth, development and reproduction processes of plants and harmful organisms, or is derived from organisms, other natural products, a substance generated by applying biotechnology or a mixture of a plurality of substances and a preparation thereof, and refers to a general name of applied pesticides, bactericides and weed killers for ensuring growth of plants and crops in agricultural production.

Present pesticide mixing arrangement generally modulates through artifical rough observation, and liquid medicine proportion modulation is accurate inadequately, and pesticide and water mix inadequately evenly, cause the concentration inequality of liquid medicine easily, and when pesticide mixing arrangement realized brushing pesticide bottle and mixed multiple operations such as pharmaceutical industry, it is great to adopt the whole weight of the more device of water pump quantity, and it is inconvenient to transport when spraying apparatus operation such as the large-scale wheeled farmland of cooperation unmanned aerial vehicle and dry land.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, the proportion of pesticide liquid is not accurately regulated, pesticide and water are not uniformly mixed, the concentration of the pesticide liquid is easily uneven, and the pesticide mixing device adopts a device with a large number of water pumps and has large overall weight when various operations such as pesticide bottle brushing, pesticide mixing and the like are realized by the pesticide mixing device, so that a pesticide adding and mixing machine for farmland spraying equipment is further provided.

The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a farmland spraying equipment adds medicine and adds medicine unit includes medical kit, frame, inverter pump, brush bottle ware and agitator, the medical kit is installed on frame upper portion, and the case mouth position of medical kit is connected with the brush bottle ware, has arranged the agitator on the inside bottom tank wall, the frame sub-unit connection has the inverter pump, and upper portion one side is connected with the water knockout drum, be connected with a set of valve switch and water pipe on the water knockout drum respectively, it provides power by the inverter pump to add the medicine machine, realizes through water knockout drum, switch and water pipe common control brush bottle ware and agitator that the stirring of brushing the bottle is added the medicine function.

Further, the water knockout drum includes a water outlet knockout drum and a water knockout drum that absorbs water, the water outlet knockout drum with the water knockout drum that absorbs water is the cavity tubular structure of one end closure, other end open-ended, pressure bottle-lifting brush bottle switch, medical kit water adding switch, medical kit stirring switch and dosing machine medicine adding switch have from left to right connected gradually on the water outlet knockout drum, frequency conversion pump water sucking switch and medical kit medicine sucking switch have from left to right connected gradually on the water knockout drum that absorbs water.

Further, the water pipe comprises a variable frequency pump water outlet main pipe, a bottle brushing pipe, a medicine box water feeding pipe, a medicine box stirring pipe, a medicine feeding machine medicine feeding pipe, a variable frequency pump water absorption branch pipe, a medicine box medicine absorption main pipe and a variable frequency pump water absorption main pipe, one end of the variable frequency pump water outlet main pipe is connected with the opening position of the water outlet water distributor, the other end of the opening position of the water outlet water distributor is connected with a water outlet of the variable frequency pump, one end of the bottle brushing pipe is connected with a pressure bottle lifting and bottle brushing switch, the other end of the medicine box water feeding pipe is connected with the other end of the medicine box water addition switch and extends into the medicine box, one end of the medicine box stirring pipe is connected with the other end of the medicine box stirring switch and is communicated with the inside of the medicine box, one end of the medicine feeding machine medicine feeding pipe is connected with the medicine feeding switch, one end of the variable frequency pump water absorption pipe is connected with the other end of the medicine box water absorption switch and is communicated with the inside the medicine box by winding around the lower part of the medicine box, one end of the water suction main pipe of the variable frequency pump is connected with the opening position of the water suction water separator, and the other end of the water suction main pipe of the variable frequency pump is connected with the water suction port of the variable frequency pump.

Further, the bottle brushing device comprises a bottle brushing device base, a bottle brushing device water distributor and a bottle brushing device water spraying pipe, the bottle brushing device base is connected to the position of a box opening of the medicine box, the upper portion of the bottle brushing device base is connected with the bottle brushing device water distributor, the bottle brushing device water distributor is of a circular hollow structure and is communicated with the bottle brushing pipe, a group of bottle brushing device water spraying pipes are evenly distributed on the bottle brushing device water distributor in the circumferential direction, and a nozzle is installed on the bottle brushing device water spraying pipe.

Further, the agitator comprises an agitator base, agitator blades, an agitator nozzle and an agitator water suction pipe, the agitator base is connected to the wall of the bottom inside the medicine box, the center of the agitator base is rotatably connected with the agitator blades, the side face of the agitator base is connected with the agitator nozzle, one end of the agitator water suction pipe is connected with the agitator nozzle, and the other end of the agitator water suction pipe penetrates through the side wall of the medicine box to be communicated with the stirring pipe of the medicine box.

Furthermore, the nozzle is of a hollow structure, the lower part of the nozzle is connected with a bottle brushing device water spray pipe through a nozzle screw thread, the upper part of the nozzle screw thread is connected with the nozzle water spray pipe, the nozzle water spray pipe is conical, and a threaded flow guide opening is formed in the nozzle water spray pipe.

Furthermore, a graduated tube is arranged on one side of the medicine box, two ends of the graduated tube are respectively communicated with the interior of the medicine box, a group of graduated rings are arranged on the graduated tube, and the volume unit of the medicine box of each graduated ring is 20L.

Furthermore, a filter screen is arranged at the lower part of the box opening of the medicine box, and handles are connected to two sides of the outer part of the medicine box.

The utility model has the following beneficial technical effects:

the variable-frequency pump provides power, the bottle brushing device and the stirrer are controlled by the water separator, the switch and the water pipe system together to realize the functions of brushing bottles on the medicine bottles, stirring and blending the medicine liquid, and only one variable-frequency pump is needed in the processes of water lifting, filtering, bottle lifting, bottle brushing and stirring and medicine adding, so that the volume and the quality of the medicine blending machine are effectively reduced, the stability of the equipment is improved, and the service life of the equipment is prolonged. The frequency conversion pump remote control receiving device controls the frequency conversion pump worker to stop or run, the frequency conversion pump working state display screen monitors the working pressure of the frequency conversion pump and the working fault of the frequency conversion pump in real time, and the control precision is high.

The medicine adding and blending device is used for assisting small unmanned aerial vehicles of various brands of the Xinjiang unmanned aerial vehicle and the flying unmanned aerial vehicle and large wheel type farmland spraying equipment in dry farmland to add medicine and blend medicine, is convenient, rapid, time-saving and labor-saving, can complete 80-120 mu of medicine blending task in 4-6 minutes, prevents pesticide from contacting the skin when the bottle is brushed after the cover is opened, avoids harm to human bodies, does not cause pesticide residues in pesticide bottles, does not pollute river water near the farmland, and is green and environment-friendly.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is a rear view of the present invention;

FIG. 6 is a schematic view of the internal structure of the present invention;

FIG. 7 is a schematic perspective view of the showerhead;

FIG. 8 is a front view of the spray head;

FIG. 9 is a schematic view of the construction of the agitator;

in the figure, 1, a medicine box, 2, a frame, 3, a variable frequency pump, 3-1, a display screen for the working state of the variable frequency pump, 3-2, a remote control receiving device of the variable frequency pump, 3-3, a manual switch of the variable frequency pump, 4, a bottle brushing device, 4-1, a bottle brushing device base, 4-2, a water separator of the bottle brushing device, 4-3, a water spray pipe of the bottle brushing device, 5, a nozzle, 5-1, a screw thread, 5-2, a water spray pipe of the nozzle, 5-3, a screw thread diversion port, 6, a graduated pipe, 7, a stirrer, 7-1, a stirrer base, 7-2, a stirrer blade, 7-3, a stirrer nozzle, 7-4, a water suction pipe of the stirrer, 8, a water outlet separator, 9, a water suction separator, 10, a switch of the bottle brushing device with pressure rising, 11, a switch for the medicine box and water, 12, a stirring switch of the medicine box, 13, 3, 4, a remote control receiving device for the frequency pump, a remote control receiving device for the variable frequency pump, a remote control receiving device for the water, a remote control receiving device for the variable frequency pump, a remote control device for the variable frequency pump, a manual switch for the variable frequency pump, a manual switch for the variable frequency pump, a manual switch for a manual switch for the variable frequency pump, a manual switch for a bottle brushing device for manual switch for a bottle brushing device, a bottle brushing device for a manual switch for a bottle brushing device, a manual switch for a bottle brushing device, a bottle brushing device for a bottle brushing device, a manual switch for a bottle brushing device, a manual switch for manual switch, The system comprises a dosing machine dosing switch, 14 a variable-frequency pump water suction switch, 15 a medicine box medicine suction switch, 16 a variable-frequency pump water outlet main pipe, 17 a bottle brushing pipe, 18 a medicine box water feeding pipe, 19 a medicine box stirring pipe, 20 a dosing machine dosing pipe, 21 a variable-frequency pump water absorption branch pipe, 22 a medicine box medicine suction main pipe, 23 a variable-frequency pump water suction main pipe, 24 a filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, and the embodiments described herein are only for explaining the present invention and are not used to limit the present invention.

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 9, and the dosing and medicine blending machine of the farmland spraying equipment comprises a medicine box 1, a frame 2, a variable frequency pump 3, a bottle brushing device 4 and a stirrer 7, wherein the medicine box 1 is installed on the upper portion of the frame 2, the box opening of the medicine box 1 is connected with the bottle brushing device 4, the stirrer 7 is arranged on the box wall of the inner bottom, the lower portion of the frame 2 is connected with the variable frequency pump 3, one side of the upper portion is connected with a water separator, the water separator is respectively connected with a set of valve switch and a water pipe, the medicine blending machine is powered by the variable frequency pump 3, and the bottle brushing device 4 and the stirrer 7 are jointly controlled by the water separator, the switch and the water pipe to realize the functions of bottle brushing, stirring and medicine blending.

The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 9, the water separator of the present embodiment includes an outlet water separator 8 and an absorbing water separator 9, both the outlet water separator 8 and the absorbing water separator 9 are hollow tubular structures with one end closed and the other end open, a pressure bottle lifting and brushing switch 10, a medicine box adding switch 11, a medicine box stirring switch 12 and a medicine box adding switch 13 are sequentially connected to the outlet water separator 8 from left to right, and a frequency conversion pump water sucking switch 14 and a medicine box medicine sucking switch 15 are sequentially connected to the absorbing water separator 9 from left to right. Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 9, the water pipe of the present embodiment includes a frequency conversion pump water outlet main pipe 16, a bottle brushing pipe 17, a medicine box water feeding pipe 18, a medicine box stirring pipe 19, a medicine feeder water feeding pipe 20, a frequency conversion pump water suction branch pipe 21, a medicine box medicine suction main pipe 22 and a frequency conversion pump water suction main pipe 23, one end of the frequency conversion pump water outlet main pipe 16 is connected to an opening position of the water outlet water separator 8, and the other end is connected to a water outlet of the frequency conversion pump 3, one end of the bottle brushing pipe 17 is connected to a pressure bottle lifting and brushing switch 10, and the other end is connected to the bottle brushing device 4, one end of the medicine box water feeding pipe 18 is connected to a medicine box water feeding switch 11, and the other end extends into the medicine box 1, one end of the medicine box stirring pipe 19 is connected to the other end of the medicine box stirring switch 12 and the inside the medicine box 1, one end of the medicine feeder 20 is connected to a medicine feeding switch 13, one end of the frequency conversion pump water suction branch pipe 21 is connected to a frequency conversion pump water feeding switch 14, and the other end is connected to a water source, one end of the medicine box and medicine suction main pipe 22 is connected with the medicine box and medicine suction switch 15, the other end of the medicine box and medicine suction switch winds to the lower part of the medicine box 1 and is communicated with the inside of the medicine box 1, one end of the frequency conversion pump water suction main pipe 23 is connected with the opening position of the water suction water separator 9, and the other end of the frequency conversion pump water suction main pipe is connected with the water suction port of the frequency conversion pump 3. Other components and connection relationships are the same as those in the first or second embodiment.

The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 9, the bottle brush 4 of the present embodiment includes a bottle brush base 4-1, a bottle brush water separator 4-2 and a bottle brush water spray pipe 4-3, the bottle brush base 4-1 is connected to a box opening of the medicine box 1, the bottle brush water separator 4-2 is connected to an upper portion of the bottle brush base 4-1, the bottle brush water separator 4-2 is a circular hollow structure and is communicated with the bottle brush pipe 17, a group of bottle brush water spray pipes 4-3 are evenly distributed on the circumference of the bottle brush water separator 4-2, and a nozzle 5 is installed on the bottle brush water spray pipe 4-3. Other components and connection relationships are the same as those in the first, second or third embodiment.

The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 9, and the agitator 7 according to the present embodiment includes an agitator base 7-1, an agitator blade 7-2, an agitator nozzle 7-3, and an agitator suction pipe 7-4, the agitator base 7-1 is connected to the bottom wall inside the medicine box 1, the agitator blade 7-2 is rotatably connected to the center of the agitator base 7-1, the agitator nozzle 7-3 is connected to the side surface, one end of the agitator suction pipe 7-4 is connected to the agitator nozzle 7-3, and the other end passes through the side wall of the medicine box 1 to communicate with the medicine box agitation pipe 19. Other components and connections are the same as those of the first, second, third or fourth embodiments.

The sixth specific implementation mode: referring to fig. 1 to 9, the present embodiment is described, in which the nozzle 5 is a hollow structure, the lower portion of the nozzle is connected to the bottle brush water spray pipe 4-3 through a nozzle thread 5-1, the upper portion of the nozzle thread 5-1 is connected to the nozzle water spray pipe 5-2, and the nozzle water spray pipe 5-2 is conical and is provided with a thread guide opening 5-3. Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.

The seventh embodiment: in the present embodiment, a scale pipe 6 is disposed on one side of the medicine box 1, both ends of the scale pipe 6 communicate with the inside of the medicine box 1, and a set of scale rings are disposed on the scale pipe 6, and the unit of medicine box volume per scale ring is 20L. Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.

The specific implementation mode is eight: the embodiment is described with reference to fig. 1 to 9, a filter screen 24 is arranged at the lower part of the tank opening of the medicine tank 1, handles are connected to both sides of the exterior of the medicine tank 1, a variable frequency pump working state display screen 3-1, a variable frequency pump remote control receiving device 3-2 and a variable frequency pump manual switch 3-3 are connected to the variable frequency pump 3, the variable frequency pump remote control receiving device 3-2 is installed at the bottom of the frame 2, the variable frequency pump manual switch 3-3 is connected to the upper part of the medicine tank 1, the utility model is controlled by the manual switch and the remote controller, the variable frequency pump working state display screen 3-1 is used for detecting the working pressure of the variable frequency pump and the working fault of the variable frequency pump, the fault display screen can generate fault codes when the variable frequency pump is in working, the fault code corresponding to the display screen can be rapidly cleared, and the variable frequency pump remote control receiving device 3-2 is used for remotely controlling the variable frequency pump 3 to start or stop running. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.

The working principle is as follows:

1. brushing a bottle and adding medicine: switching on a water source of a water suction branch pipe 21 of the variable frequency pump, starting the variable frequency pump 3, opening a water suction switch 14 of the variable frequency pump to suck water, enabling the water to enter the variable frequency pump 3 through the water suction branch pipe 21 of the variable frequency pump, a water suction and distribution device 9 and a water suction main pipe 23 of the variable frequency pump in sequence, conveying the water to a water outlet and distribution device 8 through a water outlet and distribution main pipe 16 of the variable frequency pump, inserting a medicine bottle into a nozzle 5, opening a pressure bottle lifting and brushing switch 10, spraying the water out from a thread flow guide opening 5-3 on the nozzle 5, enabling the sprayed water to have spiral motion track pressure due to the thread shape of the thread flow guide opening 5-3, driving the medicine bottle to brush bottles on the nozzle 5 in a rotating mode, and adding pesticide into a medicine box 1;

2. adding water into a medicine box: after the reading of the pesticide reference graduated tube 6 is added to the required proportion, the pressure bottle lifting and brushing switch 10 is closed, the medicine box water adding tube 18 is extended into the medicine box 1, the medicine box water adding switch 11 is opened, and the medicine feeding box 1 is added with water;

3. stirring: after the medicine chest 1 is filled with water, a medicine chest water adding switch 11 and a variable frequency pump water sucking switch 14 are closed, a medicine chest stirring switch 12 and a medicine chest medicine sucking switch 15 are opened, the medicine liquid is provided with pressure by a variable frequency pump 3 to push stirring blades 7-2 of a stirrer 7 to rotate, and the stirrer blades 7-2 rotate to circularly stir the traditional Chinese medicines in the medicine chest 1;

4. adding medicine into a medicine adding machine: after the liquid medicine stirring is completed, the medicine box stirring switch 12 is closed, the medicine adding machine medicine adding switch 13 is opened, liquid medicine is added to the unmanned aerial vehicle or the wheel type farmland spraying equipment for spraying the medicine through the medicine adding machine medicine adding pipe 20, and the variable frequency pump 3 is closed after the operation is completed.

Claims

1. The utility model provides a farmland spraying equipment adds medicine and changes medicine machine, its constitution includes medical kit (1), frame (2), inverter pump (3), brush bottle ware (4) and agitator (7), its characterized in that: the medicine chest (1) is installed on frame (2) upper portion, and the case mouth position of medicine chest (1) is connected with bottle brushing device (4), has arranged agitator (7) on the inside bottom tank wall, frame (2) sub-unit connection has inverter pump (3), and upper portion one side is connected with the water knockout drum, be connected with a set of valve switch and water pipe on the water knockout drum respectively, join in marriage the medicine machine and provide power by inverter pump (3), realize through water knockout drum, switch and water pipe common control bottle brushing device (4) and agitator (7) that the medicine function is mixed in the stirring of brushing the bottle.

2. The farmland spraying equipment medicine adding and mixing machine as claimed in claim 1, wherein: the water knockout drum includes water knockout drum (8) and water knockout drum (9) absorb water, go out water knockout drum (8) with water knockout drum (9) absorb water is that one end is sealed, other end open-ended cavity tubular structure, go out to connect gradually pressure from left to right on water knockout drum (8) and play bottle brush bottle switch (10), medical kit water adding switch (11), medical kit stirring switch (12) and dosing machine and add medicine switch (13), it inhales medicine switch (15) to connect gradually frequency conversion pump suction switch (14) and medical kit from left to right on water knockout drum (9) to absorb water.

3. The agricultural field spraying equipment medicine adding and mixing machine as claimed in claim 1 or 2, wherein: the water pipe comprises a variable-frequency pump water outlet main pipe (16), a bottle brushing pipe (17), a medicine box water feeding pipe (18), a medicine box stirring pipe (19), a medicine feeding machine medicine feeding pipe (20), a variable-frequency pump water absorption branch pipe (21), a medicine box medicine absorption main pipe (22) and a variable-frequency pump water absorption main pipe (23), one end of the variable-frequency pump water outlet main pipe (16) is connected with the other end of an opening position of a water outlet water distributor (8) and is connected with a water outlet of the variable-frequency pump (3), one end of the bottle brushing pipe (17) is connected with a pressure bottle lifting and brushing switch (10), the other end of the bottle brushing machine (4) is connected with one end of the medicine box water feeding pipe (18), one end of the medicine box water feeding pipe is connected with a medicine box water feeding switch (11), the other end of the medicine box stirring pipe (19) is communicated with the inside of the medicine box (1), one end of the medicine feeding machine medicine feeding pipe (20) is connected with a medicine feeding switch (13), the frequency conversion pump absorbs water and is connected frequency conversion pump suction switch (14) other end and connect the water source in minute pipe (21) one end, the medical kit is inhaled medicine and is connected the medical kit and inhale medicine switch (15) other end and wind medical kit (1) lower part and medical kit (1) inside intercommunication, the frequency conversion pump absorbs water and is responsible for the opening position other end connection that the water knockout drum (9) were inhaled to the open position other end of (23) one end and connect the mouth that absorbs water of frequency conversion pump (3).

4. The agricultural field spraying equipment medicine adding and mixing machine as claimed in claim 1 or 3, wherein: the bottle brushing device (4) comprises a bottle brushing device base (4-1), a bottle brushing device water distributor (4-2) and a bottle brushing device water spraying pipe (4-3), the bottle brushing device base (4-1) is connected to the position of a box opening of the medicine box (1), the bottle brushing device water distributor (4-2) is connected to the upper portion of the bottle brushing device base (4-1), the bottle brushing device water distributor (4-2) is of a circular hollow structure and is communicated with the bottle brushing pipe (17), a group of bottle brushing device water spraying pipes (4-3) are evenly distributed on the circumference of the bottle brushing device water distributor (4-2), and a nozzle (5) is installed on the bottle brushing device water spraying pipe (4-3).

5. The farmland spraying equipment medicine adding and mixing machine as claimed in claim 1, wherein: the novel medicine box is characterized in that the stirrer (7) comprises a stirrer base (7-1), stirrer blades (7-2), a stirrer nozzle (7-3) and a stirrer water suction pipe (7-4), the stirrer base (7-1) is connected to the bottom wall inside the medicine box (1), the stirrer blades (7-2) are rotatably connected to the center of the stirrer base (7-1), the stirrer nozzle (7-3) is connected to the side face of the stirrer base, one end of the stirrer water suction pipe (7-4) is connected with the stirrer nozzle (7-3), and the other end of the stirrer water suction pipe penetrates through the side wall of the medicine box (1) to be communicated with the medicine box stirring pipe (19).

6. The farmland spraying equipment medicine adding and mixing machine as claimed in claim 4, wherein: the spray nozzle (5) is of a hollow structure, the lower part of the spray nozzle is connected with a spray pipe (4-3) of the bottle brushing device through a spray nozzle screw thread (5-1), the upper part of the spray nozzle screw thread (5-1) is connected with a spray pipe (5-2) of the spray nozzle, the spray pipe (5-2) of the spray nozzle is conical, and a threaded flow guide opening (5-3) is formed in the spray pipe.

7. The farmland spraying equipment medicine adding and mixing machine as claimed in claim 1, wherein: graduated tube (6) have been arranged to one side of medical kit (1), the both ends of graduated tube (6) communicate with medical kit (1) inside respectively, have arranged a set of scale circle on graduated tube (6), and the medical kit volume unit of every scale circle is 20L.

8. The farmland spraying equipment medicine adding and mixing machine as claimed in claim 1, wherein: a filter screen (24) is arranged on the lower portion of a box opening of the medicine box (1), and handles are connected to two sides of the outer portion of the medicine box (1).