Proportioning and mixing device for water-soluble fertilizer

Abstract

The invention provides a proportioning and mixing device for a water-soluble fertilizer, and relates to the technical field of fertilizer mixing, the proportioning and mixing device comprises an equipment base plate, an upper mixing and stacking assembly and a screening, grinding and mixing assembly, two upper mixing cavity side seats are fixedly mounted on the surface of the upper end of the equipment base plate, and a motor mounting frame is fixedly mounted at the upper ends of the upper mixing cavity side seats; a hybrid driving motor is fixedly mounted at the upper end of the motor mounting frame; the proportioned materials are added from the upper mixing and stacking assembly, the mixing driving motor is started to drive the upper mixing and stacking assembly by driving the differential box to adjust the speed, and after entering the upper mixing and stacking assembly, the materials are firstly mixed and stacked downwards and bypass the bottom to be gradually mixed and overflow upwards, so that the mixing process of the materials is added, and the mixing efficiency is improved. The mixing direction can be turned over, the mixing effect is improved, then the fertilizer enters the screening, grinding and mixing assembly on the lower portion, and the quality of the mixed fertilizer is improved by grinding and screening the mixed and caked materials and finally discharging the materials.

Description

Technical Field

[0001] The invention relates to the technical field of fertilizer mixing, in particular to a proportioning and mixing device for water-soluble fertilizers. Background Art

[0002] Water-soluble fertilizer is a multi-component compound fertilizer that can be completely dissolved in water. It can dissolve quickly in water and is more easily absorbed by crops. Its absorption and utilization rate is relatively high. More importantly, it can be used in facility agriculture such as sprinkler and drip irrigation to achieve water-fertilizer integration and save water, fertilizer and labor. In the processing of water-soluble fertilizer, when the ingredients are mixed, the materials can only be mixed in one mixing space. In the mixing process, some materials are not fully mixed and discharged, and the mixing efficiency is too low. Summary of the invention

[0003] In view of the deficiencies of the prior art, the present invention provides a proportioning and mixing device for water-soluble fertilizers, which solves the problems raised in the background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A proportioning and mixing device for water-soluble fertilizers, comprising a device base plate, an upper mixing and stacking assembly and a screening and grinding mixing assembly, wherein two upper mixing chamber side seats are fixedly installed on the upper surface of the device base plate, a motor mounting frame is fixedly installed on the upper end of the upper mixing chamber side seat, and a mixing drive motor is fixedly installed on the upper end of the motor mounting frame; A screening, grinding and mixing component groove is provided in the middle of the equipment base plate, the screening, grinding and mixing component is fixedly installed in the screening, grinding and mixing component groove, the upper mixing and stacking component is fixed at the upper end of the screening, grinding and mixing component, and upper mixing chamber side beams are integrally provided on both sides of the upper mixing and stacking component.

[0005] Preferably, a drive differential case is fixedly mounted on the lower end of the motor mounting frame.

[0006] Preferably, a screening and grinding slot baffle is fixedly installed on the upper end of the equipment base plate and located around the screening and grinding mixing component slot, and equipment connecting brackets are fixedly installed at the four corners of the upper end surface of the equipment base plate.

[0007] Preferably, a discharge hopper is provided on one side of the screening, grinding and mixing assembly.

[0008] Preferably, the upper mixing stacking assembly comprises: a stacking assembly shell, a mixing feed funnel, a mixing upper shaft, a fixed lower cone, a mixing cylinder bottom plate, a mixing top fan blade, an upper cavity discharge cone, a supporting bottom frame, and a discharge funnel; The upper end of the stacking component shell is integrated with a mixing feed funnel, the inner side of the lower end of the mixing feed funnel is integrated with a fixed lower cone, the inner wall of the stacking component shell is integrated with a discharge funnel, the lower end of the discharge funnel is integrated with an upper cavity discharge cone, and the inner wall of the upper cavity discharge cone is integrated with a plurality of supporting bottom frames; A mixing cylinder bottom plate is arranged above the supporting bottom frame, and a mixing upper shaft is integrally arranged in the middle of the mixing cylinder bottom plate.

[0009] Preferably, a plurality of mixing and pressing fan blades are fixedly installed at the upper end of the mixing upper shaft and located in the fixed lower cone.

[0010] Preferably, a rotating mixing cylinder is integrally provided on the upper edge of the bottom plate of the mixing cylinder, a material-pushing outer bucket is integrally provided on the upper end of the rotating mixing cylinder, and a plurality of mixing and pushing fan blades are integrally provided on the inner wall of the rotating mixing cylinder.

[0011] Preferably, the screening mill mixing component comprises: a mixing component housing, a mixing outlet, an upper cavity receiving barrel, an upper cavity connecting shaft, a screening mill chassis, an inner layer screening mill mesh, an outer layer screening mill mesh, a top ring on the screening mill mesh, a discharging stirring rod, a screening mill storage barrel, and a storage barrel oil seal; An upper cavity receiving barrel is integrally provided at the upper end of the mixing component housing, a mixing outlet is provided at the side of the mixing component housing, a screening and grinding storage barrel is integrally provided at the lower end of the upper cavity receiving barrel, a storage barrel oil seal is provided at the lower end of the screening and grinding storage barrel, and an upper cavity connecting shaft is rotatably installed in the storage barrel oil seal; A screening mill chassis is fixedly installed at the lower end of the upper cavity connecting shaft, an inner screening mill mesh is fixedly installed at the upper edge of the screening mill chassis, an outer screening mill mesh is fixedly installed on the inner wall of the lower end of the mixing component shell, and top rings of the screening mill mesh are fixedly installed on the upper ends of the inner and outer screening mill meshes, and a plurality of discharging stirring rods are fixedly installed on the lower end of the top ring of the screening mill mesh at the upper end of the outer screening mill mesh.

[0012] Preferably, a pushing horizontal cylinder is integrally provided on one side of the screening and grinding storage cylinder, a pushing frame is fixedly installed in the pushing horizontal cylinder, a fixed rotating shaft is rotatably installed in the middle of the pushing frame, a pushing dragon shaft is coaxially fixedly installed on the outer end of the fixed rotating shaft, and a pushing auger is fixedly installed on the pushing dragon shaft.

[0013] Preferably, a first bevel gear shaft is arranged in the middle of the upper cavity connecting shaft, a first bevel gear is coaxially fixedly installed on the upper end of the first bevel gear shaft, a second bevel gear is meshedly arranged on one side of the first bevel gear, a second bevel gear shaft is coaxially fixedly installed on the rear end of the second bevel gear, and the rear end of the second bevel gear shaft is coaxially fixedly connected to the fixed rotating shaft; Screening and grinding material blocking plates are integrally arranged on the side surfaces of the screening and grinding material storage cylinder and on both sides of the material pushing horizontal cylinder.

[0014] The present invention provides a proportioning and mixing device for water-soluble fertilizers. The device has the following beneficial effects: (1) The present invention adds the proportioned materials from the upper mixing and stacking component, and starts the mixing drive motor to drive the upper mixing and stacking component through the driving differential box. After the materials enter the upper mixing and stacking component, the materials will first be mixed and stacked downwards, and then gradually mix and overflow upwards around the bottom, so that the materials increase the mixing process and can even reverse the mixing direction to increase the mixing effect. Then, the materials enter the screening and grinding mixing component below, and the agglomerated materials after mixing are ground and screened, and finally discharged, thereby improving the quality of the mixed fertilizer; (2) The present invention drives the upper mixing shaft in the upper mixing stacking assembly to rotate through a mixing drive motor, so that the material added from the mixing feed hopper can be accumulated in the fixed lower cone cylinder, and the mixing pressing blades can be driven to rotate to promote the mixing of the materials while driving the materials downward. After bypassing the lower end port of the fixed lower cone cylinder, the materials are accumulated upward from the bottom of the rotating mixing cylinder, and the mixing direction is reversed. The mixing upper shaft drives the mixing cylinder bottom plate and the rotating mixing cylinder to rotate, so that the mixing top material blades on the inner wall of the rotating mixing cylinder can push the materials to mix and move upward to prevent blockage, and the materials slide down from the inner wall of the discharge funnel at the top material outer hopper and fall into the upper cavity discharge cone cylinder; (3) The present invention guides the material dropped from above into the outer shell of the mixing assembly through the upper cavity receiving barrel, and stores it in the screening and grinding storage barrel, and then connects it with the upper mixing shaft through the upper cavity connecting shaft, and drives the second bevel gear on the meshing side of the first bevel gear after obtaining the rotational power, thereby driving the second bevel gear shaft to rotate, and coaxially drives the pusher dragon shaft to rotate, so that the material can be pushed out of the pusher horizontal cylinder through the pusher auger; After the material is pushed out of the pushing cylinder, the upper cavity connecting shaft drives the lower screening and grinding chassis to rotate, so that the inner and outer screening and grinding meshes rotate and interlace, so that the lumps can be broken up when the material is screened, and then the material is pushed by the discharging stirring rod and discharged from the mixing outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of another perspective of the present invention; Figure 3 It is a structural schematic diagram of the upper mixed stockpiling assembly in the present invention; Figure 4 It is a front view structural schematic diagram of the upper mixed stockpiling assembly in the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the cross-sectional structure along line aa; Figure 6 It is a schematic diagram of the structure of the screening, grinding and mixing assembly in the present invention; Figure 7 It is a side view structural schematic diagram of the screening, grinding and mixing assembly in the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the cross-sectional structure of the middle bb line; Fig. 9 For the present invention Figure 8 A schematic diagram of the enlarged structure at A in the middle; Fig.10 It is a front view structural schematic diagram of the screening, grinding and mixing assembly in the present invention; Fig.11 For the present invention Fig.10 Schematic diagram of the cross-sectional structure of the CC line.

[0016] Among them, 1. Equipment base plate; 2. Upper mixing chamber side seat; 3. Upper mixing stacking assembly; 301. Stacking assembly shell; 302. Mixing feed hopper; 303. Mixing upper shaft; 304. Fixed lower cone; 305. Mixing pressing fan blade; 306. Mixing cylinder bottom plate; 307. Rotating mixing cylinder; 308. Mixing top material fan blade; 309. Upper chamber unloading cone; 310. Support bottom frame; 311. Unloading funnel; 312. Top material outer hopper; 4. Screening and grinding mixing assembly slot; 5. Screening and grinding mixing assembly; 501. Mixing assembly shell; 502. Mixing discharge port; 503. Upper chamber receiving cylinder; 504. Upper chamber connecting shaft; 505. Screening and grinding bottom Plate; 506, inner screen mesh; 507, outer screen mesh; 508, top ring of screen mesh; 509, discharging stirring rod; 510, screen storage barrel; 511, pushing frame; 512, pushing horizontal cylinder; 513, fixed rotating shaft; 514, pushing dragon shaft; 515, pushing auger; 516, first bevel gear shaft; 517, first bevel gear; 518, second bevel gear; 519, second bevel gear shaft; 520, screen blocking plate; 521, storage barrel oil seal; 6, screen groove baffle; 7, equipment connecting bracket; 8, motor mounting bracket; 9, hybrid drive motor; 10, drive differential box; 11, discharge hopper; 12, upper mixing chamber side beam. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figure 1 to Figure 2As shown, an embodiment of the present invention provides a proportioning mixing device for water-soluble fertilizers, comprising an equipment base plate 1, an upper mixing and stacking assembly 3 and a screening and grinding mixing assembly 5, wherein two upper mixing chamber side seats 2 are fixedly installed on the upper end surface of the equipment base plate 1, a motor mounting frame 8 is fixedly installed on the upper end of the upper mixing chamber side seat 2, and a mixing drive motor 9 is fixedly installed on the upper end of the motor mounting frame 8; a screening and grinding mixing assembly slot 4 is opened in the middle of the equipment base plate 1, the screening and grinding mixing assembly 5 is fixedly installed in the screening and grinding mixing assembly slot 4, the upper mixing and stacking assembly 3 is fixed at the upper end of the screening and grinding mixing assembly 5, upper mixing chamber side beams 12 are integrated on both sides of the upper mixing and stacking assembly 3, a driving differential case 10 is fixedly installed on the lower end of the motor mounting frame 8, a screening and grinding slot baffle 6 is fixedly installed on the upper end of the equipment base plate 1 and located around the screening and grinding mixing assembly slot 4, equipment connecting brackets 7 are fixedly installed at the four corners of the upper end surface of the equipment base plate 1, and a discharging hopper 11 is provided on one side of the screening and grinding mixing assembly 5.

[0019] In the above technical scheme, the proportioned materials are added from the upper mixing and stacking component 3, and the mixing drive motor 9 is started to drive the upper mixing and stacking component 3 by driving the differential box 10. After the materials enter the upper mixing and stacking component 3, the materials will first be mixed and stacked downwards, and gradually mix and overflow upwards around the bottom, so that the materials increase the mixing process and can even reverse the mixing direction to increase the mixing effect. Then, the materials enter the screening and grinding mixing component 5 below, and the agglomerated materials after mixing are ground and screened by 5, and finally discharged, thereby improving the quality of the mixed fertilizer.

[0020] like Figure 1 , Figures 3 to 5As shown, the upper mixing and stacking component 3 includes: a stacking component shell 301, a mixing feed funnel 302, a mixing upper shaft 303, a fixed lower cone 304, a mixing cylinder bottom plate 306, a mixing top fan blade 308, an upper cavity discharge cone 309, a supporting bottom frame 310, and a discharge funnel 311; the upper end of the stacking component shell 301 is integrated with a mixing feed funnel 302, the inner side of the lower end of the mixing feed funnel 302 is integrated with a fixed lower cone 304, the inner wall of the stacking component shell 301 is integrated with a discharge funnel 311, and the lower end of the discharge funnel 311 is integrated with an upper cavity discharge cone. 309, a plurality of supporting bottom frames 310 are integrally provided on the inner wall of the upper cavity discharge cone 309; a mixing cylinder bottom plate 306 is provided above the supporting bottom frame 310, a mixing upper shaft 303 is integrally provided in the middle of the mixing cylinder bottom plate 306, a plurality of mixing pressing blades 305 are fixedly installed on the upper end of the mixing upper shaft 303 and located in the fixed lower cone 304, a rotating mixing cylinder 307 is integrally provided on the upper end edge of the mixing cylinder bottom plate 306, a top material outer bucket 312 is integrally provided on the upper end of the rotating mixing cylinder 307, and a plurality of mixing top material blades 308 are integrally provided on the inner wall of the rotating mixing cylinder 307.

[0021] In the above technical scheme, the mixing upper shaft 303 in the upper mixing stacking assembly 3 is driven to rotate by the mixing drive motor 9, so that the material added from the mixing feed funnel 302 can be accumulated in the fixed lower cone 304, and the mixing pressing blades 305 are driven to rotate to promote the mixing of the materials while driving the materials downward. After bypassing the lower end port of the fixed lower cone 304, the materials are accumulated upward from the bottom of the rotating mixing cylinder 307, and the mixing direction is reversed. The mixing upper shaft 303 is used to drive the mixing cylinder bottom plate 306 and the rotating mixing cylinder 307 to rotate, so that the mixing top material blades 308 on the inner wall of the rotating mixing cylinder 307 can push the materials to mix and move upward to prevent blockage, and slide from the inner wall of the discharge funnel 311 at the top material outer bucket 312, and fall into the upper cavity discharge cone 309.

[0022] like Figure 1 , Figures 6 to 11As shown, the screening and grinding mixing component 5 includes: a mixing component shell 501, a mixing discharge port 502, an upper cavity receiving barrel 503, an upper cavity connecting shaft 504, a screening and grinding chassis 505, an inner layer screening and grinding mesh 506, an outer layer screening and grinding mesh 507, a top ring 508 on the screening and grinding mesh, a discharging stirring rod 509, a screening and grinding storage barrel 510, and a storage barrel oil seal 521; the upper end of the mixing component shell 501 is integrally provided with an upper cavity receiving barrel 503, the side of the mixing component shell 501 is provided with a mixing discharge port 502, and the upper cavity receiving barrel 503 is provided with a mixing discharge port 502. The lower end of the cylinder 503 is integrally provided with a screening and grinding storage cylinder 510, and the lower end of the screening and grinding storage cylinder 510 is provided with a storage cylinder oil seal 521, and the upper cavity connecting shaft 504 is rotatably installed in the storage cylinder oil seal 521; the lower end of the upper cavity connecting shaft 504 is fixedly installed with a screening and grinding chassis 505, and the upper edge of the screening and grinding chassis 505 is fixedly installed with an inner layer screening and grinding mesh 506, and the inner wall of the lower end of the mixing component housing 501 is fixedly installed with an outer layer screening and grinding mesh 507, and the upper ends of the inner layer screening and grinding mesh 506 and the outer layer screening and grinding mesh 507 are fixedly installed. A top ring 508 is installed on the screen grinding net, and a plurality of discharging stirring rods 509 are fixedly installed on the lower end of the top ring 508 on the upper end of the outer screen grinding net 507. A pushing cross cylinder 512 is integrated on one side of the screen grinding storage cylinder 510, and a pushing frame 511 is fixedly installed in the pushing cross cylinder 512. A fixed rotating shaft 513 is rotatably installed in the middle of the pushing frame 511, and a pushing dragon shaft 514 is coaxially fixedly installed on the outer end of the fixed rotating shaft 513, and a pushing dragon shaft 514 is fixedly installed on the pushing dragon shaft 514. Dragon 515, a first bevel gear shaft 516 is arranged in the middle of the upper cavity connecting shaft 504, a first bevel gear 517 is coaxially fixedly installed on the upper end of the first bevel gear shaft 516, a second bevel gear 518 is meshingly arranged on one side of the first bevel gear 517, a second bevel gear shaft 519 is coaxially fixedly installed on the rear end of the second bevel gear 518, and the rear end of the second bevel gear shaft 519 is coaxially fixedly connected with the fixed rotating shaft 513; screening and grinding material blocking plates 520 are integrated on the sides of the screening and grinding storage barrel 510 and on both sides of the pushing cross barrel 512.

[0023] In the above technical solution, the material dropped from above is guided into the mixing assembly housing 501 through the upper cavity receiving barrel 503, and stored in the screening and grinding storage barrel 510, and then connected with the upper mixing upper shaft 303 through the upper cavity connecting shaft 504, and after obtaining the rotational power, the first bevel gear 517 is driven to engage with the second bevel gear 518 on one side, so as to drive the second bevel gear shaft 519 to rotate, and coaxially drive the pusher dragon shaft 514 to rotate, so as to push the material out of the pusher horizontal cylinder 512 through the pusher auger 515; After the material is pushed out of the pushing horizontal cylinder 512, the upper cavity connecting shaft 504 drives the screening and grinding chassis 505 at the lower end to rotate, so that the inner screening and grinding mesh 506 and the outer screening and grinding mesh 507 rotate and staggered, so that the lumps can be broken up when the material is screened, and then the material is pushed by the discharging stirring rod 509 and discharged from the mixing discharge port 502.

[0024] Working principle: The present invention adds the proportioned materials from the upper mixing and stacking component 3, and starts the mixing drive motor 9 to drive the upper mixing and stacking component 3 by driving the differential box 10. After the materials enter the upper mixing and stacking component 3, the materials are first mixed and stacked downward, and gradually mixed and overflowed upward around the bottom, so that the materials increase the mixing process and can reverse the mixing direction to increase the mixing effect. Then, the materials enter the screening and grinding mixing component 5 below, and the materials agglomerated after mixing are ground and screened by 5, and finally discharged, thereby improving the quality of the mixed fertilizer. The mixing upper shaft 303 in the upper mixing stacking assembly 3 is driven to rotate by the mixing drive motor 9, so that the materials added from the mixing feed funnel 302 can be accumulated in the fixed lower cone 304, and the mixing pressing blades 305 are driven to rotate to promote the mixing of the materials while driving the materials downward. After bypassing the lower end port of the fixed lower cone 304, the materials are accumulated upward from the bottom of the rotating mixing cylinder 307, and the mixing direction is reversed. The mixing upper shaft 303 drives the mixing cylinder bottom plate 306 and the rotating mixing cylinder 307 to rotate, so that the mixing top material blades 308 on the inner wall of the rotating mixing cylinder 307 can push the materials to mix and move upward to prevent blockage, and the materials slide from the inner wall of the discharge funnel 311 at the top material outer bucket 312 and fall into the upper cavity discharge cone 309; The material dropped from above is guided into the mixing assembly housing 501 through the upper cavity receiving barrel 503, and stored in the screening and grinding storage barrel 510, and then connected to the upper mixing shaft 303 through the upper cavity connecting shaft 504, and after obtaining the rotational power, the first bevel gear 517 is driven to engage with the second bevel gear 518 on one side, so as to drive the second bevel gear shaft 519 to rotate, and coaxially drive the pushing dragon shaft 514 to rotate, so as to push the material out of the pushing horizontal cylinder 512 through the pushing auger 515; After the material is pushed out of the pushing horizontal cylinder 512, the upper cavity connecting shaft 504 drives the screening and grinding chassis 505 at the lower end to rotate, so that the inner screening and grinding mesh 506 and the outer screening and grinding mesh 507 rotate and staggered, so that the lumps can be broken up when the material is screened, and then the material is pushed by the discharging stirring rod 509 and discharged from the mixing discharge port 502.

[0025] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. A proportioning and mixing device for water-soluble fertilizers, comprising an equipment base plate (1), an upper mixing and stacking component (3) and a screening and grinding mixing component (5), characterized in that: Two upper mixing chamber side seats (2) are fixedly mounted on the upper surface of the equipment base plate (1); a motor mounting frame (8) is fixedly mounted on the upper end of the upper mixing chamber side seats (2); and a hybrid drive motor (9) is fixedly mounted on the upper end of the motor mounting frame (8); A screening, grinding and mixing component slot (4) is provided in the middle of the equipment base plate (1); the screening, grinding and mixing component (5) is fixedly installed in the screening, grinding and mixing component slot (4); the upper mixing and stacking component (3) is fixed to the upper end of the screening, grinding and mixing component (5); and upper mixing chamber side beams (12) are integrally provided on both sides of the upper mixing and stacking component (3).

2. A water-soluble fertilizer proportioning and mixing device according to claim 1, characterized in that: A drive differential case (10) is fixedly mounted on the lower end of the motor mounting frame (8).

3. A proportioning and mixing device for water-soluble fertilizers according to claim 2, characterized in that: A screening and grinding slot baffle (6) is fixedly installed on the upper end of the equipment base plate (1) and located around the screening and grinding mixing component slot (4), and equipment connection brackets (7) are fixedly installed at the four corners of the upper end surface of the equipment base plate (1).

4. A proportioning and mixing device for water-soluble fertilizers according to claim 3, characterized in that: A discharge hopper (11) is provided on one side of the screening, grinding and mixing assembly (5).

5. A proportioning and mixing device for water-soluble fertilizers according to claim 4, characterized in that: The upper mixing and stacking assembly (3) comprises: a stacking assembly housing (301), a mixing feed hopper (302), an upper mixing shaft (303), a fixed lower cone (304), a mixing cylinder bottom plate (306), a mixing top fan blade (308), an upper cavity discharge cone (309), a supporting bottom frame (310), and a discharge hopper (311); A mixing feed funnel (302) is integrally provided at the upper end of the stacking component housing (301), a fixed lower cone (304) is integrally provided on the inner side of the lower end of the mixing feed funnel (302), a discharge funnel (311) is integrally provided on the inner wall of the stacking component housing (301), an upper cavity discharge cone (309) is integrally provided at the lower end of the discharge funnel (311), and a plurality of supporting bottom frames (310) are integrally provided on the inner wall of the upper cavity discharge cone (309); A mixing barrel bottom plate (306) is arranged above the supporting bottom frame (310), and an upper mixing shaft (303) is integrally arranged in the middle of the mixing barrel bottom plate (306).

6. A proportioning and mixing device for water-soluble fertilizers according to claim 5, characterized in that: A plurality of mixing and pressing blades (305) are fixedly installed at the upper end of the mixing upper shaft (303) and located inside the fixed lower cone (304).

7. A proportioning and mixing device for water-soluble fertilizers according to claim 6, characterized in that: A rotating mixing cylinder (307) is integrally provided on the upper edge of the mixing cylinder bottom plate (306), a material-pushing outer bucket (312) is integrally provided on the upper end of the rotating mixing cylinder (307), and a plurality of mixing and pushing fan blades (308) are integrally provided on the inner wall of the rotating mixing cylinder (307).

8. A proportioning and mixing device for water-soluble fertilizers according to claim 7, characterized in that: The screening mill mixing component (5) comprises: a mixing component housing (501), a mixing outlet (502), an upper cavity receiving barrel (503), an upper cavity connecting shaft (504), a screening mill chassis (505), an inner layer screening mill mesh (506), an outer layer screening mill mesh (507), a top ring on the screening mill mesh (508), a discharging stirring rod (509), a screening mill storage barrel (510), and a storage barrel oil seal (521); An upper cavity receiving barrel (503) is integrally provided at the upper end of the mixing component housing (501), a mixing outlet (502) is provided on the side of the mixing component housing (501), a screening and grinding storage barrel (510) is integrally provided at the lower end of the upper cavity receiving barrel (503), a storage barrel oil seal (521) is provided at the lower end of the screening and grinding storage barrel (510), and an upper cavity connecting shaft (504) is rotatably installed in the storage barrel oil seal (521); A screening mill chassis (505) is fixedly mounted on the lower end of the upper cavity connecting shaft (504); an inner screening mill mesh (506) is fixedly mounted on the upper edge of the screening mill chassis (505); an outer screening mill mesh (507) is fixedly mounted on the inner wall of the lower end of the mixing component housing (501); a screening mill mesh top ring (508) is fixedly mounted on the upper ends of the inner screening mill mesh (506) and the outer screening mill mesh (507); and a plurality of discharge stirring rods (509) are fixedly mounted on the lower end of the screening mill mesh top ring (508) at the upper end of the outer screening mill mesh (507).

9. A proportioning and mixing device for water-soluble fertilizers according to claim 8, characterized in that: A material pushing transverse cylinder (512) is integrally provided on one side of the screening and grinding storage cylinder (510), a material pushing frame (511) is fixedly installed in the material pushing transverse cylinder (512), a fixed rotating shaft (513) is rotatably installed in the middle of the material pushing frame (511), a material pushing dragon shaft (514) is coaxially fixedly installed on the outer end of the fixed rotating shaft (513), and a material pushing auger (515) is fixedly installed on the material pushing dragon shaft (514).

10. A proportioning and mixing device for water-soluble fertilizers according to claim 8, characterized in that: A first bevel gear shaft (516) is arranged in the middle of the upper cavity connecting shaft (504); a first bevel gear (517) is coaxially fixedly installed on the upper end of the first bevel gear shaft (516); a second bevel gear (518) is meshingly arranged on one side of the first bevel gear (517); a second bevel gear shaft (519) is coaxially fixedly installed at the rear end of the second bevel gear (518); and the rear end of the second bevel gear shaft (519) is coaxially fixedly connected to the fixed rotating shaft (513); Screening and grinding material blocking plates (520) are integrally provided on the side of the screening and grinding material storage cylinder (510) and on both sides of the material pushing horizontal cylinder (512).

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