CN221085387U

CN221085387U - Chemical fertilizer mixing stirring device

Info

Publication number: CN221085387U
Application number: CN202323065933.2U
Authority: CN
Inventors: 鲁彩虹; 曲艳红; 曹丽丽; 牟启桅
Original assignee: Yantai Yulu Biotechnology Co ltd
Current assignee: Yantai Yulu Biotechnology Co ltd
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-06-07
Anticipated expiration: 2033-11-14

Abstract

The utility model discloses a chemical fertilizer mixing and stirring device in the technical field of chemical fertilizer production and preparation, which comprises: the stirring barrel assembly comprises a straight barrel assembly, wherein the straight barrel assembly comprises a straight barrel and an internal thread groove, and the internal thread groove is formed in the side wall of an inner cavity of the straight barrel; the eccentric grinding mechanism is connected with the stirring barrel assembly, the eccentric grinding mechanism comprises a lower grinding assembly and an upper grinding assembly, the lower grinding assembly is movably connected with the upper grinding assembly, the lower grinding assembly comprises a lower grinding disc, the chemical fertilizer mixing and stirring device drives the upper grinding disc to eccentrically rotate through a driving device, fertilizers are ground and crushed through the cooperation of the upper grinding disc and the lower grinding disc, and the crushed fertilizers enter the stirring barrel through a material leakage groove to be mixed and stirred, so that the mixing quality of the fertilizers is improved.

Description

Chemical fertilizer mixing stirring device

Technical Field

The utility model relates to the technical field of chemical fertilizer production and preparation, in particular to a chemical fertilizer mixing and stirring device.

Background

Chemical fertilizer, simply chemical fertilizer. A fertilizer containing one or more nutrient elements required for the growth of crops is prepared by chemical and/or physical methods. Also called inorganic fertilizer, including nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, micro fertilizer, compound fertilizer and the like, and is not edible.

In the production and preparation process of chemical fertilizer, raw materials are required to be mixed, and the existing method is to put raw materials for producing chemical fertilizer into a stirring device in proportion to stir and mix the raw materials, but in the mixing process, the raw materials are insufficiently mixed due to different particle sizes, so that part of the raw materials cannot be mixed together, and the production quality of the fertilizer is affected.

Disclosure of utility model

The utility model aims to provide a chemical fertilizer mixing and stirring device, which solves the problem that the production quality of fertilizer is affected because partial raw materials cannot be mixed together due to insufficient mixing of the raw materials caused by different particle sizes in the mixing process due to different particle sizes of the raw materials in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a chemical fertilizer mixing and stirring device comprising:

The stirring barrel assembly comprises a straight barrel assembly, wherein the straight barrel assembly comprises a straight barrel and an internal thread groove, and the internal thread groove is formed in the side wall of an inner cavity of the straight barrel;

The eccentric grinding mechanism is connected with the stirring barrel assembly and comprises a lower grinding assembly and an upper grinding assembly, the lower grinding assembly is movably connected with the upper grinding assembly, the lower grinding assembly comprises a lower grinding disc, a material leakage groove and an external thread groove, the material leakage groove is formed in the end part of the lower grinding disc and penetrates through the other end part of the lower grinding disc, the external thread groove is formed in the outer side wall of the circumference of the lower grinding disc, the upper grinding assembly comprises an upper grinding disc, a connecting shaft sleeve and a material leakage hole, the connecting shaft sleeve is eccentrically arranged at the bottom of an inner cavity of the upper grinding disc, and the material leakage hole is coaxially formed in the bottom of the inner cavity of the upper grinding disc and penetrates through the bottom of the upper grinding disc;

The driving mechanism is movably connected with the eccentric grinding mechanism, the driving mechanism comprises a rotary driving mechanism, the rotary driving mechanism comprises a driving device and a driving shaft, the driving device is movably connected with the driving shaft, and the driving shaft is connected with the connecting shaft sleeve.

Preferably, the stirring barrel assembly further comprises a conical barrel assembly and a first mounting ring assembly, the conical barrel assembly comprises a conical barrel arranged at the opening of the bottom of the straight barrel and a discharging port arranged at the opening of the bottom of the conical barrel, and the first mounting ring assembly comprises a first mounting ring coaxially arranged at the opening of the top of the straight barrel and a first mounting hole annularly arranged at the edge of the top of the first mounting ring and penetrating through the bottom of the first mounting ring.

Preferably, the bottom of the upper grinding disc is a vortex-shaped grinding sheet which is contacted with the top of the lower grinding disc.

Preferably, the device further comprises a top cover assembly, the top cover assembly comprises a top cover, a second mounting ring assembly, a mounting seat and a feeding groove, the top cover is arranged at the opening of the top of the straight cylinder, the second mounting ring assembly is arranged on the outer side wall of the circumference of the top cover and is connected with the top of the first mounting ring assembly, the mounting seat is arranged at the top of the top cover and corresponds to the connecting shaft sleeve, and the feeding groove is arranged at the top of the top cover and penetrates through the bottom of the top cover and is communicated with the inner cavity of the straight cylinder.

Preferably, the second mounting ring assembly comprises a second mounting ring and a second mounting hole, the bottom of the second mounting ring is in contact with the top of the first mounting ring, the second mounting hole is annularly arranged at the edge of the top of the second mounting ring and penetrates through the bottom of the second mounting ring, and the second mounting hole corresponds to the first mounting ring.

Preferably, the rotary driving mechanism further comprises a driving gear arranged on the circumferential outer side wall of the driving shaft and arranged at the upper end of the top cover.

Preferably, the driving mechanism further comprises a stirring mechanism, the stirring mechanism comprises a stirring shaft, a driven gear, a first stirring blade and a second stirring blade, the stirring shaft is arranged on the top cover and is arranged on the straight cylinder, the conical cylinder and the inner cavity of the discharge port, the driven gear is arranged on the circumferential outer side wall of the stirring shaft and is meshed with the driving gear, the first stirring blade is arranged on the circumferential outer side wall of the stirring shaft and is arranged on the straight cylinder and the inner cavity of the conical cylinder, and the second stirring blade is arranged on the circumferential outer side wall of the stirring shaft and is arranged in the inner cavity of the discharge port.

Compared with the prior art, the utility model has the beneficial effects that: this kind of chemical fertilizer mixing stirring device drives the eccentric rotation of grinding disc through drive arrangement, grinds the crushing to fertilizer through the cooperation use of last grinding disc and lower grinding disc, and the fertilizer after smashing enters into the agitator through leaking the bin and mixes the stirring in, has improved the mixing quality of fertilizer.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the installation of the agitator assembly and eccentric abrading mechanism of the present utility model;

FIG. 3 is a schematic view of a mixing drum assembly according to the present utility model;

FIG. 4 is a schematic view of the eccentric grinding mechanism of the present utility model;

FIG. 5 is a schematic view of the installation of an upper abrasive disk and abrasive sheet of the present utility model;

FIG. 6 is a schematic view of the top cover assembly of the present utility model;

Fig. 7 is a schematic structural view of a driving mechanism of the present utility model.

In the figure: 100 agitator assemblies, 110 straight barrel assemblies, 111 straight barrels, 112 internal screw thread grooves, 120 conical barrel assemblies, 121 conical barrels, 122 discharge ports, 130 first installation ring assemblies, 131 first installation rings, 132 first installation holes, 200 eccentric grinding mechanisms, 210 lower grinding assemblies, 211 lower grinding disks, 212 material leakage grooves, 213 external screw thread grooves, 220 upper grinding assemblies, 221 upper grinding disks, 221-1 grinding disks, 222 connecting shafts, 223 material leakage holes, 300 top cover assemblies, 310 top covers, 320 second installation ring assemblies, 321 second installation rings, 322 second installation holes, 330 installation seats, 340 feeding grooves, 400 driving mechanisms, 410 rotary driving mechanisms, 411 driving devices, 412 driving shafts, 413 driving gears, 420 stirring mechanisms, 421 stirring shafts, 422 driven gears, 423 first stirring blades and 424 second stirring blades.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a chemical fertilizer mixing stirring device, which drives an upper grinding disc to eccentrically rotate through a driving device, grinds and pulverizes fertilizer through the cooperation of the upper grinding disc and a lower grinding disc, and the pulverized fertilizer enters a stirring barrel through a material leakage groove to be mixed and stirred, so that the mixing quality of the fertilizer is improved, and referring to fig. 1, the chemical fertilizer mixing stirring device comprises: a stirring barrel assembly 100, an eccentric grinding mechanism 200 and a driving mechanism 400;

Referring to fig. 1 to 4 and 7, the stirring tank assembly 100 includes a straight cylinder assembly 110, the straight cylinder assembly 110 includes a straight cylinder 111 and an internal thread groove 112, the internal thread groove 112 is formed on a side wall of an inner cavity of the straight cylinder 111, an eccentric grinding mechanism 200 is connected with the stirring tank assembly 100, the eccentric grinding mechanism 200 includes a lower grinding assembly 210 and an upper grinding assembly 220, the lower grinding assembly 210 is movably connected with the upper grinding assembly 220, the lower grinding assembly 210 includes a lower grinding disc 211, a material leakage groove 212 and an external thread groove 213, the material leakage groove 212 is formed at an end of the lower grinding disc 211 and penetrates through another end of the lower grinding disc 211, the external thread groove 213 is arranged on the peripheral outer side wall of the lower grinding disc 211, the upper grinding assembly 220 comprises an upper grinding disc 221, a connecting shaft sleeve 222 and a material leakage hole 223, the connecting shaft sleeve 222 is eccentrically arranged at the bottom of the inner cavity of the upper grinding disc 221, the material leakage hole 223 is coaxially arranged at the bottom of the inner cavity of the upper grinding disc 221 and penetrates through the bottom of the upper grinding disc 221, the driving mechanism 400 is movably connected with the eccentric grinding mechanism 200, the driving mechanism 400 comprises a rotary driving mechanism 410, the rotary driving mechanism 410 comprises a driving device 411 and a driving shaft 412, the driving device 411 is movably connected with the driving shaft 412, the driving shaft 412 is connected with the connecting shaft sleeve 222, the external thread groove 213 is matched with the internal thread groove 112, the lower grinding disc 211 is detachably arranged in the inner cavity of the straight cylinder 111 through the matching of the external thread groove 213 and the internal thread groove 112, the upper grinding disc 221 is arranged at the top of the lower grinding disc 211, the connecting shaft sleeve 222 is eccentrically arranged at the bottom of the inner cavity of the upper grinding disc 221, the driving shaft 412 is connected with the output shaft of the driving device 411 through a spline or a flat key, the driving device 411 consists of a motor and a speed reducer, the speed reducer is connected with the output shaft on the motor, the driving shaft 412 is connected with the output shaft on the speed reducer, the connecting shaft sleeve 222 is connected with the driving shaft 412 through a spline or a flat key, the output shaft on the motor drives the output shaft on the speed reducer to rotate, the output shaft on the speed reducer drives the connecting shaft sleeve 222 to rotate, the upper grinding disc 221 is driven to eccentrically move at the top of the lower grinding disc 211 through the connecting shaft sleeve 222, the raw materials are ground through the upper grinding disc 221 and the lower grinding disc 211, in particular, the raw materials are placed in the inner cavity of the upper grinding disc 221, the upper grinding disc 221 is driven to eccentrically move at the top of the lower grinding disc 211 through the speed reducer, the raw materials enter between the upper grinding disc 221 and the lower grinding disc 211 through the material leakage holes 223 in the moving process of the upper grinding disc 221, the raw materials entering between the upper grinding disc 221 and the lower grinding disc 211 are ground through the upper grinding disc 221 and the upper grinding disc 221, the raw materials between the upper grinding disc 221 and the lower grinding disc 211 move to the edge of the lower grinding disc 211 under the driving of the movement of the upper grinding disc 221, enter the inner cavity of the straight cylinder 111 through the material leakage groove 212, enter the inner cavity of the straight cylinder 111 for mixing and stirring after grinding, and grind the raw materials through the upper grinding disc 221 and the lower grinding disc 211, so that the raw materials are finer and more uniform, the raw materials are mixed, and the mixing quality of the fertilizer is improved;

Referring to fig. 4 and 5, the bottom of the upper polishing plate 221 is a vortex-shaped polishing plate 221-1, the polishing plate 221-1 is in contact with the top of the lower polishing plate 211, the polishing plate 221-1 is in a vortex-shaped form, the polishing plate 221-1 is detachably arranged at the bottom of the lower polishing plate 211, gaps exist between the upper polishing plate 221 and the lower polishing plate 211 through the polishing plate 221-1, the particle size of the ground raw material can be changed by replacing the polishing plate 221-1 with different thickness, the polishing plate 221-1 is driven to make eccentric motion on the top of the lower polishing plate 211 through the upper polishing plate 221, the raw material is driven to move on the top of the lower polishing plate 211 through the friction force between the polishing plate 221-1 and the raw material, the raw material is driven to the top edge of the lower polishing plate 211, and enters the inner cavity of 111 from 212;

Referring to fig. 1-3, the mixing drum assembly 100 further includes a conical drum assembly 120 and a first mounting ring assembly 130, the conical drum assembly 120 includes a conical drum 121 disposed at an opening at a bottom of the conical drum 111 and a discharge port 122 disposed at an opening at a bottom of the conical drum 121, the first mounting ring assembly 130 includes a first mounting ring 131 coaxially disposed at an opening at a top of the conical drum 111 and a first mounting hole 132 annularly disposed at a top edge of the first mounting ring 131 and penetrating a bottom of the first mounting ring 131, the conical drum 121 is coaxially disposed at an opening at a bottom of the conical drum 111, the conical drum 121 and the conical drum 111 are integrally processed, the discharge port 122 is coaxially disposed at an opening at an end of the conical drum 121 remote from the conical drum 121, the discharge port 122 and the conical drum 121 are integrally processed, an inner cavity of the discharge port 122 is communicated with an inner cavity of the conical drum 121, the conical drum 121 and the inner cavity of the conical drum 111 are coaxially disposed at an opening at an end of the conical drum 111 remote from the conical drum 121, the first mounting ring 131 is coaxially disposed at a top of the first mounting hole 132, the first mounting ring 131 is coaxially disposed at a top edge of the first mounting hole 132 and is disposed at a top of the first mounting hole 132;

Referring to fig. 1, 3 and 6, the top cover assembly 300 includes a top cover 310, a second mounting ring assembly 320, a mounting seat 330 and a feed slot 340, the top cover 310 is disposed at an opening of the top of the straight barrel 111, the second mounting ring assembly 320 is disposed on a circumferential outer side wall of the top cover 310 and is connected with the top of the first mounting ring assembly 130, the mounting seat 330 is disposed on the top of the top cover 310 and corresponds to the connecting sleeve 222, the feed slot 340 is disposed on the top of the top cover 310 and penetrates through the bottom of the top cover 310 to be communicated with an inner cavity of the straight barrel 111, the second mounting ring assembly 320 includes a second mounting ring 321 and a second mounting hole 322, the bottom of the second mounting ring 321 contacts with the top of the first mounting ring 131, the second mounting hole 322 is formed in a ring shape at a top edge of the second mounting ring 321 and penetrates through the bottom of the second mounting ring 321, the second mounting hole 322 corresponds to the first mounting ring 131, the second mounting ring 321 is coaxially disposed on the circumferential outer side wall of the top cover 310, the second mounting ring 321 is integrally processed with the top cover 310, the bottom of the second mounting ring 321 is contacted with the top of the first mounting ring 131, the outer diameter of the second mounting ring 321 is the same as the outer diameter of the first mounting ring 131, the second mounting hole 322 corresponds to the first mounting hole 132, a bolt is inserted into the inner cavity of the second mounting hole 322 from one end of the second mounting ring 321 far away from the first mounting ring 131 and sequentially penetrates through the second mounting hole 322 and the first mounting hole 132 to be inserted into the lower end of the first mounting ring 131, a nut is mounted on the circumferential outer side wall of the bolt through threaded connection, the top of the nut is contacted with the bottom of the first mounting ring 131, the second mounting ring 321 is fixedly mounted on the top of the first mounting ring 131 through the bolt and the nut, the top cover 310 is fixedly mounted at the top opening of the straight barrel 111 through the second mounting ring 321, sealing treatment is carried out between the second mounting ring 321 and the first mounting ring 131, the mounting seat 330 is detachably mounted on the top of the top cover 310 through bolts, the mounting seat 330 corresponds to the connecting shaft sleeve 222, the feeding groove 340 is arranged on one side, far away from the mounting seat 330, of the top cover 310, the feeding groove 340 penetrates through the bottom of the top cover 310 and is communicated with the inner cavity of the upper grinding disc 221, raw materials are input into the inner cavity of the upper grinding disc 221 through the feeding groove 340, the speed reducer is detachably mounted on one side, far away from the top cover 310, of the mounting seat 330 through bolts, an output shaft on the speed reducer penetrates through the bottom of the mounting seat 330 and is arranged between the top cover 310 and the mounting seat 330, the driving shaft 412 is connected with the top cover 310 through a bearing, one end of the driving shaft 412 penetrates through the top of the top cover 310 and is connected with the output shaft on the speed reducer, the other end of the driving shaft 412 penetrates through the bottom of the top cover 310 and is connected with the connecting shaft sleeve 222, the driving shaft 412 to rotate, and the upper grinding disc 221 is driven to make eccentric motion in the inner cavity of the straight cylinder 111 through the driving shaft 412 and the connecting shaft sleeve 222 to grind the raw materials;

Referring to fig. 1 to 4 and 6 to 7, the rotary driving mechanism 410 further includes a driving gear 413 disposed on the circumferential outer sidewall of the driving shaft 412 and disposed at the upper end of the top cover 310, the driving mechanism 400 further includes a stirring mechanism 420, the stirring mechanism 420 includes a stirring shaft 421, a driven gear 422, a first stirring blade 423 and a second stirring blade 424, the stirring shaft 421 is disposed on the top cover 310 and disposed in the inner cavities of the straight cylinder 111 and the tapered cylinder 121 and the discharge port 122, the driven gear 422 is disposed on the circumferential outer sidewall of the stirring shaft 421 and engaged with the driving gear 413, the first stirring vane 423 is disposed on the circumferential outer sidewall of the stirring shaft 421 and disposed in the inner cavities of the straight cylinder 111 and the tapered cylinder 121, the second stirring vane 424 is disposed on the circumferential outer sidewall of the stirring shaft 421 and disposed in the inner cavity of the discharge port 122, the driving gear 413 is mounted on the circumferential outer sidewall of the driving shaft 412 by a spline or a flat key, the driving gear 413 is disposed between the top cover 310 and the mounting seat 330, the stirring shaft 421 is connected with the top cover 310 by a bearing, the stirring shaft 421 is disposed between the mounting seat 330 and the feed chute 340, one end of the stirring shaft 421 penetrates the top of the top cover 310, the other end of the stirring shaft 421 sequentially penetrates through the top cover 310, the upper grinding disc 221 and the lower grinding disc 211, the bottoms of the upper grinding disc 221 and the lower grinding disc 211 are inserted into the inner cavities of the straight cylinder 111, the conical cylinder 121 and the discharge port 122, the stirring shaft 421 is respectively connected with the top cover 310 and the lower grinding disc 211 through bearings, the driven gear 422 is installed on the circumferential outer side wall of the stirring shaft 421 through spline or parallel key connection, the driven gear 422 is arranged at the upper end of the top cover 310 and meshed with the driving gear 413, the first stirring blade 423 is welded on the circumferential outer side wall of the stirring shaft 421, the first stirring blade 423 is arranged in the inner cavities of the straight cylinder 111 and the conical cylinder 121, the first stirring vane 423 is disposed at the lower end of the lower grinding pan 211, the second stirring vane 424 is welded on the circumferential outer sidewall of the stirring shaft 421, the second stirring vane 424 is disposed at the lower end of the first stirring vane 423, the second stirring vane 424 is disposed in the inner cavity of the discharge port 122, the ground raw material enters into the inner cavities of the straight cylinder 111 and the tapered cylinder 121, the driving shaft 412 is driven to rotate by the speed reducer, the driving gear 413 is driven to rotate by the driving shaft 412, the driven gear 422 is driven to rotate by the driving gear 413, the first stirring vane 423 and the second stirring vane 424 are driven to rotate by the driven gear 422, the raw materials are mixed and stirred through the first stirring blade 423 to prepare chemical fertilizer, the discharge port 122 is blocked through the second stirring blade 424, the raw materials falling into the inner cavity of the discharge port 122 are moved towards the inner cavity of the conical cylinder 121 under the drive of the screw through the rotation of the second stirring blade 424, the condition that partial raw materials fall into the inner cavity of the discharge port 122 to cause insufficient mixing of the raw materials is avoided, the uniformity of mixing of the raw materials is ensured, the production quality of the fertilizer is improved, after the raw materials are mixed into the chemical fertilizer in the inner cavities of the straight cylinder 111 and the conical cylinder 121, the stirring shaft 421 is driven to reversely rotate through the driving device 411, fertilizer entering the cavity of the discharge port 122 is driven by the second stirring vane 424 to be discharged under the drive of the screw.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A chemical fertilizer mixing stirring device which is characterized in that: comprising the following steps:

The stirring barrel assembly (100), wherein the stirring barrel assembly (100) comprises a straight barrel assembly (110), the straight barrel assembly (110) comprises a straight barrel (111) and an internal thread groove (112), and the internal thread groove (112) is formed in the side wall of an inner cavity of the straight barrel (111);

The eccentric grinding mechanism (200), the eccentric grinding mechanism (200) is connected with the stirring barrel assembly (100), the eccentric grinding mechanism (200) comprises a lower grinding assembly (210) and an upper grinding assembly (220), the lower grinding assembly (210) is movably connected with the upper grinding assembly (220), the lower grinding assembly (210) comprises a lower grinding disc (211), a material leakage groove (212) and an external thread groove (213), the material leakage groove (212) is formed in the end part of the lower grinding disc (211) and penetrates through the other end part of the lower grinding disc (211), the external thread groove (213) is formed in the circumferential outer side wall of the lower grinding disc (211), the upper grinding assembly (220) comprises an upper grinding disc (221), a connecting shaft sleeve (222) and a material leakage hole (223), the connecting shaft sleeve (222) is eccentrically arranged at the bottom of an inner cavity of the upper grinding disc (221), and the material leakage hole (223) is formed in the bottom of the inner cavity of the upper grinding disc (221) in a coaxial mode and penetrates through the bottom of the upper grinding disc (221).

The driving mechanism (400), driving mechanism (400) with eccentric grinding mechanism (200) swing joint, driving mechanism (400) include rotatory actuating mechanism (410), rotatory actuating mechanism (410) are including drive arrangement (411) and drive shaft (412), drive arrangement (411) with drive shaft (412) swing joint, drive shaft (412) with connecting axle sleeve (222) are connected.

2. The chemical fertilizer mixing and stirring device according to claim 1, wherein: the stirring barrel assembly (100) further comprises a conical barrel assembly (120) and a first mounting ring assembly (130), the conical barrel assembly (120) comprises a conical barrel (121) arranged at the opening of the bottom of the straight barrel (111) and a discharge port (122) arranged at the opening of the bottom of the conical barrel (121), and the first mounting ring assembly (130) comprises a first mounting ring (131) coaxially arranged at the opening of the top of the straight barrel (111) and a first mounting hole (132) annularly arranged at the edge of the top of the first mounting ring (131) and penetrating through the bottom of the first mounting ring (131).

3. A chemical fertilizer mixing and stirring device as set forth in claim 2, wherein: the bottom of the upper grinding disc (221) is provided with a vortex-shaped grinding sheet (221-1), and the grinding sheet (221-1) is contacted with the top of the lower grinding disc (211).

4. A chemical fertilizer mixing and stirring device according to claim 3, wherein: still include top cap assembly (300), top cap assembly (300) include top cap (310), second collar assembly (320), mount pad (330) and feed chute (340), top cap (310) set up straight section of thick bamboo (111) open-top department, second collar assembly (320) set up on top cap (310) circumference lateral wall and with first collar assembly (130) top is connected, mount pad (330) set up top cap (310) and with connecting sleeve (222) are corresponding, feed chute (340) set up top cap (310) top and run through top cap (310) bottom with straight section of thick bamboo (111) inner chamber link up mutually.

5. The chemical fertilizer mixing and stirring device according to claim 4, wherein: the second installation ring assembly (320) comprises a second installation ring (321) and a second installation hole (322), the bottom of the second installation ring (321) is in contact with the top of the first installation ring (131), the second installation hole (322) is formed in a ring shape, is formed in the edge of the top of the second installation ring (321) and penetrates through the bottom of the second installation ring (321), and the second installation hole (322) corresponds to the first installation ring (131).

6. The chemical fertilizer mixing and stirring device according to claim 5, wherein: the rotary driving mechanism (410) further comprises a driving gear (413) arranged on the circumferential outer side wall of the driving shaft (412) and arranged at the upper end of the top cover (310).

7. The chemical fertilizer mixing and stirring device according to claim 6, wherein: the driving mechanism (400) further comprises a stirring mechanism (420), the stirring mechanism (420) comprises a stirring shaft (421), a driven gear (422), a first stirring blade (423) and a second stirring blade (424), the stirring shaft (421) is arranged on the top cover (310) and is arranged on the straight barrel (111) and the conical barrel (121) and the inner cavity of the discharge port (122), the driven gear (422) is arranged on the circumferential outer side wall of the stirring shaft (421) and is meshed with the driving gear (413), the first stirring blade (423) is arranged on the circumferential outer side wall of the stirring shaft (421) and is arranged on the straight barrel (111) and the inner cavity of the conical barrel (121), and the second stirring blade (424) is arranged on the circumferential outer side wall of the stirring shaft (421) and is arranged in the inner cavity of the discharge port (122).