CN222266906U - A nutrient uniform mixing device for vegetable cultivation in facilities - Google Patents

Abstract

The utility model discloses a food uniform mixing device for facility vegetable planting, which belongs to the technical field of planting, and adopts the technical scheme that the food uniform mixing device comprises a mixing tank, a feeding mechanism and a mixing mechanism, wherein the bottom of the mixing tank is communicated with a discharge valve, the mixing tank, the discharge valve and the feeding mechanism are arranged, the mixing tank can support and limit the whole structure of the discharge valve, the feeding mechanism and the mixing mechanism, the mixed food can be conveyed to the discharge valve for discharge, a tank cover can convey the food raw materials conveyed by the feeding valve into the mixing mechanism, a medicine storage ring pipe can be matched with a medicine conveying pipe and a torsion spring cover, the medicine conveying pipe is opened along with the negative pressure generated by the mixing mechanism through the torsion spring cover, the medicine conveying pipe is closed along with the pressure generated by the mixing mechanism, and therefore mixed medicines in the medicine storage ring pipe can be gradually conveyed to the mixing mechanism through the medicine conveying pipe through the negative pressure mode of the mixing mechanism.

Description

Food uniform mixing device for facility vegetable planting

Technical Field

The utility model relates to the technical field of planting, in particular to a device for uniformly mixing nutrients for greenhouse vegetable planting.

Background

In the process of facility vegetable planting, even mixing of nutrients is crucial for vegetable growth, and in traditional vegetable planting, nutrients are mixed by manual stirring or simple mechanical stirring, however, the methods have various defects that the manual stirring is difficult to ensure the uniformity of the nutrient mixing, the situation that the local concentration of the nutrients is too high or too low easily occurs, the vegetable growth is uneven, moreover, the simple mechanical stirring possibly has stirring dead angles, the ideal even mixing effect cannot be realized, the vegetable yield is influenced, the vegetable quality is possibly reduced, and in order to solve the problems, a device capable of realizing even mixing of the nutrients in the facility vegetable planting is urgently needed.

In the planting process, the fertilizer is required to be continuously applied, the nutrients required in the production period are required to be mixed, and then fertilizer application equipment is used for applying fertilizer, most of the nutrients are solid particles or powder fertilizer, caking or larger particles can easily occur, in the stirring process, the nutrients are accumulated at the bottom due to gravity, and residual nutrients are not completely mixed in the cylinder wall;

The utility model provides a prior patent (publication number: CN 217527297U), a nourishment mixing device for fruit tree planting is disclosed, relate to fruit tree planting technical field, this nourishment mixing device for fruit tree planting, the steam generator comprises a box body, broken subassembly and stirring subassembly, the both sides fixed mounting of box has the handle, the inner wall fixed mounting of box has the baffle, the equal fixed mounting in both sides of baffle has the filter pulp, one side of filter pulp and one side inner wall fixed mounting of box, broken subassembly sets up on the box, stirring subassembly sets up on the box, this practicality is through the motor, the rotary rod, the stirring piece, broken blade and the cooperation of stirring board are used, can carry out broken processing to the great nourishment of granule, the unloading rate of acceleration nourishment is set up to the accessory board, through the cooperation use of rotary rod, the installation box, umbrella-shaped gear and cam can effectively save time, the cooperation use of connecting horizontal pole and scraping board can mix the stirring, reduce the adhesion nourishment, the shake can effectively avoid the nourishment to pile up in a large number in the bottom from top to bottom.

In view of the above problems, the prior art patent provides a solution, but when the nutrients are mixed, the negative pressure type reciprocating mixing multiple screening structure is absent, so that the nutrients cannot be processed by the negative pressure type reciprocating mixing multiple screening structure, and the flexibility of mixing the nutrients for the vegetable planting in the facilities is reduced.

For this reason, a facility vegetable planting is with food even mixing arrangement is proposed.

Disclosure of utility model

The utility model aims to provide a nutrient uniform mixing device for greenhouse vegetable planting, which can solve the problems that the existing device lacks a negative pressure type reciprocating mixing multiple screening structure when the nutrients are mixed, so that the nutrients cannot be processed by the negative pressure type reciprocating mixing multiple screening, and the flexibility of the nutrient mixing for the greenhouse vegetable planting is reduced.

In order to achieve the aim, the utility model provides the technical scheme that the food uniform mixing device for facility vegetable planting comprises a mixing tank, a feeding mechanism and a mixing mechanism, wherein the bottom of the mixing tank is communicated with a discharge valve, the feeding mechanism is communicated with the top of the mixing tank, and the mixing mechanism is bolted to the bottom of the feeding mechanism;

The feeding mechanism comprises a tank cover, a feeding valve, a medicine storage ring pipe, a medicine conveying pipe and a torsion spring cover, wherein the tank cover is clamped at the top of the mixing tank, the feeding valve is communicated at the top of the tank cover, the medicine storage ring pipe is communicated at the top of the tank cover, the medicine conveying pipe is communicated at the bottom of the tank cover, the top of the medicine conveying pipe is communicated with the medicine storage ring pipe, and the torsion spring cover is fixedly connected at the bottom of the medicine conveying pipe.

Preferably, the mixing mechanism comprises a centrifugal component and an extrusion component, wherein the centrifugal component is bolted to the bottom of the tank cover, the extrusion component is bolted to the inner side of the centrifugal component, the inner side of the extrusion component is in sliding connection with the inner side of the centrifugal component, and the bottom of the extrusion component is bolted to the bottom of the inner side of the mixing tank.

Preferably, the centrifugal assembly comprises a servo motor, a centrifugal inner cylinder and a feeding screen plate, wherein the servo motor is bolted to the bottom of the tank cover, the centrifugal inner cylinder is bolted to the output end of the bottom of the servo motor, and the feeding screen plate is clamped to the bottom of the inner side of the centrifugal inner cylinder.

Preferably, the extrusion assembly comprises a reciprocating screw rod, a coarse screen soft funnel and a fine screen soft funnel, wherein the reciprocating screw rod is bolted to the bottom of the inner side of the mixing tank, the coarse screen soft funnel is slidably connected to the top of the surface of the reciprocating screw rod, the surface of the coarse screen soft funnel is bolted to the top of the inner side of the centrifugal inner cylinder, the fine screen soft funnel is slidably connected to the bottom of the surface of the reciprocating screw rod, and the surface of the fine screen soft funnel is bolted to the bottom of the inner side of the centrifugal inner cylinder.

Preferably, a drainage plate is bolted to the bottom of the inner side of the mixing tank, and the drainage plate is set to be an inclined plane.

Preferably, the inner side of the torsion spring cover is clamped with a sealing gasket, and the top of the sealing gasket is contacted with the bottom of the medicine delivery tube.

Preferably, the top joint of centrifugal inner tube has the steady ring, the inboard of steady ring is bolted with the output of servo motor bottom.

Preferably, the bottom of the surface of the reciprocating screw rod is rotationally connected with an auxiliary bearing, and the surface of the auxiliary bearing is clamped with the inner side of the feeding screen plate.

Preferably, the inner side of the coarse screen soft funnel and the inner side of the fine screen soft funnel are both rotationally connected with guide rings, and the inner sides of the guide rings are in sliding connection with the surface of the reciprocating screw rod.

Preferably, the top of the reciprocating screw rod is rotationally connected with an auxiliary rotating plate, and the top of the auxiliary rotating plate is rotationally connected with the top of the inner side of the centrifugal inner cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the application, the mixing tank, the discharge valve and the feeding mechanism are arranged, the mixing tank can support and limit the whole structures of the discharge valve, the feeding mechanism and the mixing mechanism, the mixed nutrients can be conveyed to the discharge valve for discharge, the tank cover can convey the nutrient raw materials conveyed by the feeding valve into the mixing mechanism, the medicine storage ring pipe can be matched with the medicine conveying pipe and the torsion spring cover, the medicine conveying pipe is opened through the negative pressure generated by the torsion spring cover along with the mixing mechanism, and the medicine conveying pipe is closed through the torsion force of the torsion spring cover along with the pressure generated by the mixing mechanism, so that the mixed medicines in the medicine storage ring pipe can be gradually conveyed to the mixing mechanism through the medicine conveying pipe in a negative pressure mode of the mixing mechanism, and the flexibility in mixing processing of the mixing mechanism is increased;

2. According to the application, the centrifugal component can be matched with the extrusion component, the centrifugal inner barrel is driven to rotate by the servo motor, the centrifugal inner barrel can drive the coarse sieve soft funnel and the fine sieve soft funnel to rotate together, so that power is provided for the reciprocating motion of the fine sieve soft funnel and the coarse sieve soft funnel, the coarse sieve soft funnel and the fine sieve soft funnel can enable the inside of the coarse sieve soft funnel and the inside of the fine sieve soft funnel to reciprocate up and down along the reciprocating screw rod when rotating, and the contact position of the coarse sieve soft funnel and the fine sieve soft funnel with nutrients is in a semi-sealing state generally, so that certain pressure and negative pressure are generated when the coarse sieve soft funnel and the fine sieve soft funnel move, liquid medicine in the feeding mechanism can be intermittently pumped into the nutrients to be mixed, the nutrients and the liquid medicine are mixed by the centrifugal force generated by the centrifugal inner barrel, and after the coarse sieve soft funnel and the liquid medicine are extruded to the feeding screen plate through the coarse sieve soft funnel and the fine sieve soft funnel respectively, and the nutrients can be repeatedly mixed in a negative pressure mode, and the flexibility of vegetable cultivation nutrients can be improved when the nutrients are mixed in a negative pressure mode.

Drawings

FIG. 1 is a view showing the overall construction of a device for uniformly mixing nutrients for greenhouse vegetable cultivation according to the present utility model;

FIG. 2 is a schematic view of the structure of the discharge valve of the present utility model;

FIG. 3 is a schematic view of a feeding mechanism according to the present utility model;

FIG. 4 is a schematic structural view of the mixing mechanism of the present utility model;

FIG. 5 is a schematic view of the structure of the centrifuge assembly of the present utility model;

FIG. 6 is a schematic view of the structure of the extrusion assembly of the present utility model.

In the figure, 1, a mixing tank, 2, a discharge valve, 3, a feeding mechanism, 31, a tank cover, 32, a feeding valve, 33, a medicine storage ring pipe, 34, a medicine feeding pipe, 35, a torsion spring cover, 4, a mixing mechanism, 41, a centrifugal component, 411, a servo motor, 412, a centrifugal inner cylinder, 413, a feeding screen plate, 42, a squeezing component, 421, a reciprocating screw rod, 422, a coarse sieve soft funnel, 423, a fine sieve soft funnel, 5, a drainage plate, 6, a sealing gasket, 7, a stabilizing ring, 8, an auxiliary bearing, 9, a guide ring, 10 and an auxiliary rotating plate.

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.

Referring to fig. 1-6, the present utility model provides the following technical solutions:

the utility model provides a food even mixing device for facility vegetable planting, includes blending tank 1, feeding mechanism 3 and mixing mechanism 4, and the bottom of blending tank 1 communicates has discharge valve 2, and feeding mechanism 3 communicates at the top of blending tank 1, and mixing mechanism 4 bolt is in the bottom of feeding mechanism 3;

the feeding mechanism 3 comprises a tank cover 31, a feeding valve 32, a medicine storage ring pipe 33, a medicine delivery pipe 34 and a torsion spring cover 35, wherein the tank cover 31 is clamped at the top of the mixing tank 1, the feeding valve 32 is communicated with the top of the tank cover 31, the medicine storage ring pipe 33 is communicated with the top of the tank cover 31, the medicine delivery pipe 34 is communicated with the bottom of the tank cover 31, the top of the medicine delivery pipe 34 is communicated with the medicine storage ring pipe 33, and the torsion spring cover 35 is fixedly connected with the bottom of the medicine delivery pipe 34.

In the embodiment, by arranging the mixing tank 1, the discharge valve 2 and the feeding mechanism 3, the mixing tank 1 can support and limit the integral structure of the discharge valve 2, the feeding mechanism 3 and the mixing mechanism 4, and can convey the mixed nutrients to the discharge valve 2 for discharge, the tank cover 31 can convey the nutrient raw materials conveyed by the feeding valve 32 into the mixing mechanism 4, the medicine storage ring pipe 33 can be matched with the medicine conveying pipe 34 and the torsion spring cover 35, the medicine conveying pipe 34 is opened along with the negative pressure generated by the mixing mechanism 4 through the torsion spring cover 35, the medicine conveying pipe 34 is closed along with the pressure generated by the mixing mechanism 4 and through the torsion force of the torsion spring cover 35, so that the mixed medicines in the medicine storage ring pipe 33 can be gradually conveyed to the mixing mechanism 4 through the medicine conveying pipe 34 in a negative pressure mode of the mixing mechanism 4, and the flexibility in the mixing processing of the nutrients in the mixing mechanism 4 is increased.

Specifically, as shown in fig. 4, the mixing mechanism 4 includes a centrifugal component 41 and an extrusion component 42, the centrifugal component 41 is bolted to the bottom of the can lid 31, the extrusion component 42 is bolted to the inner side of the centrifugal component 41, the inner side of the extrusion component 42 is slidably connected to the inner side of the centrifugal component 41, and the bottom of the extrusion component 42 is bolted to the bottom of the inner side of the mixing can 1.

Specifically, as shown in fig. 5, the centrifugal assembly 41 includes a servo motor 411, a centrifugal inner cylinder 412 and a feeding screen 413, the servo motor 411 is bolted to the bottom of the can lid 31, the centrifugal inner cylinder 412 is bolted to the output end of the bottom of the servo motor 411, and the feeding screen 413 is clamped to the bottom of the inner side of the centrifugal inner cylinder 412.

Specifically, as shown in fig. 6, the extrusion assembly 42 includes a reciprocating screw 421, a coarse screening soft funnel 422 and a fine screening soft funnel 423, the reciprocating screw 421 is bolted to the bottom of the inner side of the mixing tank 1, the coarse screening soft funnel 422 is slidably connected to the top of the surface of the reciprocating screw 421, the surface of the coarse screening soft funnel 422 is bolted to the top of the inner side of the centrifugal inner cylinder 412, the fine screening soft funnel 423 is slidably connected to the bottom of the surface of the reciprocating screw 421, and the surface of the fine screening soft funnel 423 is bolted to the bottom of the inner side of the centrifugal inner cylinder 412.

In this embodiment, through setting up the mixing mechanism 4, the centrifugation subassembly 41 can cooperate with extrusion subassembly 42, drive the centrifugation inner tube 412 through servo motor 411 and rotate, the centrifugation inner tube 412 can drive coarse screen soft funnel 422 and fine screen soft funnel 423 together and rotate, thereby provide power for the reciprocating motion of fine screen soft funnel 423 and coarse screen soft funnel 422, coarse screen soft funnel 422 and fine screen soft funnel 423 can let the inside of coarse screen soft funnel 422 and the inside of fine screen soft funnel 423 reciprocate along reciprocating screw 421 when rotating, because the contact site of coarse screen soft funnel 422 and fine screen soft funnel 423 and food is half-sealed state usually, therefore can produce certain pressure and negative pressure when coarse screen soft funnel 422 and fine screen soft funnel 423 remove, thereby can realize intermittent type formula with the liquid medicine in feeding mechanism 3 in, and mix food and liquid medicine through centrifugal force that centrifugal inner tube 412 produced, and after coarse screen soft funnel 422 and fine screen soft funnel 423 extrude food and liquid medicine, let soft funnel and respectively through screen soft funnel 422 and fine screen soft funnel 423 carry out reciprocating motion to the food, thereby realize that the multiple mix the food is processed to the cultivation facility's 423.

Specifically, as shown in fig. 2, a drainage plate 5 is bolted to the bottom of the inner side of the mixing tank 1, and the drainage plate 5 is set to be an inclined plane.

Specifically, as shown in fig. 3, the inner side of the torsion spring cover 35 is clamped with a sealing pad 6, and the top of the sealing pad 6 contacts with the bottom of the medicine feeding tube 34.

In the embodiment, the drainage plate 5 can be matched with the mixing tank 1, the drainage plate 5 which is set to be an inclined plane is used for conveying nutrient to the discharge valve 2, so that stability of nutrient when the nutrient is conveyed into the discharge valve 2 can be further improved, the sealing gasket 6 is arranged and can be matched with the torsion spring cover 35, the sealing gasket 6 is used for sealing the joint of the torsion spring cover 35 and the medicine conveying pipe 34, and tightness of the torsion spring cover 35 and the medicine conveying pipe 34 when the torsion spring cover 35 is closed can be further improved.

Specifically, as shown in fig. 5, the top of the centrifugal inner cylinder 412 is clamped with a stabilizing ring 7, and the inner side of the stabilizing ring 7 is bolted to the output end of the bottom of the servo motor 411.

Specifically, as shown in fig. 6, an auxiliary bearing 8 is rotatably connected to the bottom of the surface of the reciprocating screw 421, and the surface of the auxiliary bearing 8 is clamped to the inner side of the feeding screen 413.

In the embodiment, the stabilizing ring 7 can be matched with the centrifugal inner cylinder 412 by arranging the stabilizing ring 7, the output ends of the centrifugal inner cylinder 412 and the servo motor 411 are limited by the stabilizing ring 7, the stability of the centrifugal inner cylinder 412 when being connected with the servo motor 411 can be further increased, the auxiliary bearing 8 can be matched with the reciprocating screw 421 by arranging the auxiliary bearing 8, the auxiliary bearing 8 can assist in guiding the connection part of the reciprocating screw 421 and the feeding screen 413, and the stability of the feeding screen 413 when the surface of the reciprocating screw 421 rotates can be further increased.

Specifically, as shown in fig. 6, the inner side of the coarse screening soft funnel 422 and the inner side of the fine screening soft funnel 423 are both rotatably connected with a guide ring 9, and the inner side of the guide ring 9 is slidably connected with the surface of the reciprocating screw 421.

Specifically, as shown in fig. 6, the top of the reciprocating screw 421 is rotatably connected with an auxiliary rotating plate 10, and the top of the auxiliary rotating plate 10 is rotatably connected with the top of the inner side of the centrifugal inner cylinder 412.

In the embodiment, the guide ring 9 can be matched with the coarse screening soft funnel 422 and the fine screening soft funnel 423, the guide pipe is used for carrying out auxiliary guide on the connection part between the inner sides of the fine screening soft funnel 423 and the coarse screening soft funnel 422 and the reciprocating screw 421, the stability of the coarse screening soft funnel 422 and the fine screening soft funnel 423 when sliding on the reciprocating screw 421 can be further improved, the auxiliary rotating plate 10 can be matched with the reciprocating screw 421 through the auxiliary rotating plate 10, and the stability of the centrifugal inner barrel 412 when rotating on the reciprocating screw 421 can be further improved through the auxiliary rotating plate 10.

The working principle is that firstly, a feed valve 32 is externally connected with a nutrient raw material conveying device, then a discharge valve 2 is externally connected with a nutrient storage device, then the medicine storage ring pipe 33 is filled with medicine liquid to be mixed, then a servo motor 411 is electrified and started, the servo motor 411 drives a centrifugal inner cylinder 412 to rotate, the centrifugal inner cylinder 412 drives a feed screen 413, a coarse sieve soft funnel 422 and a fine sieve soft funnel 423 to rotate together, the coarse sieve soft funnel 422 and the fine sieve soft funnel 423 can reciprocate up and down along a reciprocating screw 421 when rotating, then the coarse sieve soft funnel 422 and the fine sieve soft funnel 423 can generate negative pressure and pressure in the centrifugal inner cylinder 412 when reciprocating, when negative pressure is generated, a torsion spring cover 35 can be opened, then medicine liquid in the medicine storage ring pipe 33 can be conveyed into raw materials through a medicine conveying pipe 34, then raw materials can be mixed with the medicine liquid generated by rotation of the centrifugal inner cylinder 412, when the coarse sieve soft funnel 422 and the fine sieve soft funnel 423 are extruded together, the tank cover 31 can automatically close along with the self-torsion force of the centrifugal inner cylinder 412, the medicine liquid can flow into the feed screen 413 along with the centrifugal soft funnel 422 and the centrifugal soft funnel 423, and finally the mixed medicine liquid can flow into the feed screen 413 along the position of the feed screen 413 when the centrifugal soft funnel 423 is formed, and the medicine liquid flows into the position of the mixed medicine liquid can flow through the position 1 after the fine sieve soft funnel 413.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a food even mixing device for facility vegetable planting, includes blending tank (1), feeding mechanism (3) and mixing mechanism (4), wherein the bottom of blending tank (1) is linked together and is had discharge valve (2), feeding mechanism (3) communicate at the top of blending tank (1), mixing mechanism (4) bolt is in the bottom of feeding mechanism (3);

Feeding mechanism (3) are including cover (31), feed valve (32), deposit medicine ring pipe (33), send medicine pipe (34) and torsional spring lid (35), cover (31) joint is at the top of blending tank (1), feed valve (32) intercommunication is at the top of cover (31), deposit medicine ring pipe (33) intercommunication at the top of cover (31), send medicine pipe (34) intercommunication in the bottom of cover (31), send the top of medicine pipe (34) and deposit medicine ring pipe (33) intercommunication, torsional spring lid (35) fixed connection is in the bottom of sending medicine pipe (34).

2. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 1, wherein the mixing mechanism (4) comprises a centrifugal component (41) and an extrusion component (42), the centrifugal component (41) is bolted to the bottom of the tank cover (31), the extrusion component (42) is bolted to the inner side of the centrifugal component (41), the inner side of the extrusion component (42) is slidably connected with the inner side of the centrifugal component (41), and the bottom of the extrusion component (42) is bolted to the bottom of the inner side of the mixing tank (1).

3. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 2, wherein the centrifugal assembly (41) comprises a servo motor (411), a centrifugal inner cylinder (412) and a feeding screen plate (413), the servo motor (411) is bolted to the bottom of the tank cover (31), the centrifugal inner cylinder (412) is bolted to the output end of the bottom of the servo motor (411), and the feeding screen plate (413) is clamped to the bottom of the inner side of the centrifugal inner cylinder (412).

4. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 3, wherein the extrusion assembly (42) comprises a reciprocating screw rod (421), a coarse sieve soft funnel (422) and a fine sieve soft funnel (423), the reciprocating screw rod (421) is bolted to the bottom of the inner side of the mixing tank (1), the coarse sieve soft funnel (422) is slidably connected to the top of the surface of the reciprocating screw rod (421), the surface of the coarse sieve soft funnel (422) is bolted to the top of the inner side of the centrifugal inner cylinder (412), the fine sieve soft funnel (423) is slidably connected to the bottom of the surface of the reciprocating screw rod (421), and the surface of the fine sieve soft funnel (423) is bolted to the bottom of the inner side of the centrifugal inner cylinder (412).

5. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 1, wherein a drainage plate (5) is bolted to the bottom of the inner side of the mixing tank (1), and the drainage plate (5) is an inclined plane.

6. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 1, wherein the inner side of the torsion spring cover (35) is clamped with a sealing pad (6), and the top of the sealing pad (6) is contacted with the bottom of the medicine feeding tube (34).

7. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 3, wherein the top of the centrifugal inner cylinder (412) is clamped with a stabilizing ring (7), and the inner side of the stabilizing ring (7) is bolted with the output end of the bottom of the servo motor (411).

8. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 4, wherein an auxiliary bearing (8) is rotatably connected to the bottom of the surface of the reciprocating screw rod (421), and the surface of the auxiliary bearing (8) is clamped with the inner side of the feeding screen plate (413).

9. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 4, wherein the inner side of the coarse screen soft hopper (422) and the inner side of the fine screen soft hopper (423) are rotatably connected with guide rings (9), and the inner sides of the guide rings (9) are slidably connected with the surface of the reciprocating screw rod (421).

10. The device for uniformly mixing nutrients for greenhouse vegetable planting according to claim 4, wherein the top of the reciprocating screw rod (421) is rotatably connected with an auxiliary rotating plate (10), and the top of the auxiliary rotating plate (10) is rotatably connected with the top of the inner side of the centrifugal inner cylinder (412).