CN218982212U - Sieving mechanism convenient to fertilizer screening - Google Patents

Abstract

The utility model relates to a screening device convenient for screening organic fertilizers, which belongs to the technical field of organic fertilizer production and comprises a step that fertilizers enter a larger block from a crushing device to be crushed, wherein the crushed fertilizers fall into a screening system to be screened, a screen plate in the screening system is arranged in a shell, a servo motor is arranged in the center of the screen plate to drive the screen plate to rotate and screen the fallen fertilizers, the servo motor is connected with the screen plate through a rotating nut, the crushing device is arranged at the upper end of the shell, a separation plate is arranged at the lower end of the shell, and the separation plate is arranged at the lower end of the screen plate to divide the lower end of the shell into a fine material outlet and a coarse material outlet.

Description

Sieving mechanism convenient to fertilizer screening

Technical Field

The utility model belongs to the technical field of organic fertilizer production, and particularly relates to a screening device convenient for screening organic fertilizers.

Background

The organic fertilizer is mainly derived from plants and/or animals, is applied to soil to provide carbon-containing materials with plant nutrition as main functions, is processed by biological substances, animal and plant wastes and plant residues, is rich in microorganisms, and is required to be screened by a plurality of layers of screens with different hole meshes to remove impurities, and the screening is one of important procedures for guaranteeing fermentation.

The current fertilizer sieving mechanism mainly screens it through the screen cloth, to the organic fertilizer of variation in size in the screening process, tiny organic hypertrophy all screens out and transports to the fermentation chamber, and the great fertilizer of granule is then piled up on the screen cloth, when driving the great fertilizer of clean board clearance through the push rod, because fertilizer is in the promotion in-process and mesh friction causes the mesh to block up for screening efficiency is lower and lower.

The utility model is characterized by comprising the following steps: an organic fertilizer screening machine (application number: 201922416306.6, application publication date: 2019.12.29). The application discloses a fertilizer sieve separator controls the rotary disk and rotates to drive the double-screw bolt and rotate, the double-screw bolt rotates and can be moved on the right side when passing through the nut, thereby promotes the cleaning plate to remove to the right side, releases the screening net to clear up with the big granule fertilizer on the screening net to the right, has solved the great fertilizer of granule and then has piled up on the screen cloth. But in the pushing process, the organic fertilizer and the screen mesh are rubbed to cause the blocking of the meshes, so that the subsequent screening efficiency is affected.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the problem that organic fertilizer with larger particles is accumulated on a screen, and the meshes are easy to be blocked in the screening process of the screen, so that the screening efficiency is lower and lower.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model discloses a screening device convenient for screening organic fertilizers, which comprises a crushing device, wherein the fertilizer enters a larger block from the crushing device to be crushed, the crushed fertilizer falls into a screening system to be screened, a screen plate in the screening system is arranged in a shell, a servo motor is arranged at the center of the screen plate to drive the crushed fertilizer to rotate and screen, the servo motor is connected with the screen plate through a rotating nut, the crushing device is arranged at the upper end of the shell, a separation plate is arranged at the lower end of the shell, and the separation plate is arranged at the lower end of the screen plate to divide the lower end of the shell into a fine material outlet and a coarse material outlet.

Preferably, the shape of the screen plate is circular, the center of the screen plate is circular, the screen plate slowly rises from the edge to the center, semicircular bulges in a circular array are designed at the center of the screen plate, and the semicircular bulges rotate together with the screen plate.

Preferably, the edge design of screen cloth dish has multiunit elasticity plectrum, and elasticity plectrum passes through the round bar to be fixed, and end to end becomes circular to install in the edge of screen cloth dish, and elasticity plectrum is the metal material and has certain elasticity, and its stiff end becomes the arc to the tail end and the size becomes thin gradually.

Preferably, a scraping rod driven by a rotating motor is arranged on the inner wall of the shell, and a scraper is arranged on the scraping rod to clean the inner wall of the shell in a rotating way.

Preferably, the crushing roller is arranged in the feeding hole of the crushing device, the crushing roller is symmetrically arranged by double rollers, the spaced saw teeth are arranged on the crushing roller, and the saw teeth of the two rollers are staggered and arranged into a spiral shape.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) According to the screening device convenient for screening the organic fertilizer, the fertilizer is screened through the rotation of the screen disc, the fertilizer with larger particles is enabled to move towards the periphery of the screen disc by utilizing the action of centrifugal force, and the blocking of meshes in the pushing process of the push rod is avoided.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a screening device for facilitating organic fertilizer screening according to the present utility model.

Fig. 2 is a schematic diagram of the overall bottom structure of a screening device for facilitating organic fertilizer screening according to the present utility model.

Fig. 3 is a schematic diagram showing the overall internal structure of a screening device for facilitating organic fertilizer screening according to the present utility model.

Fig. 4 is a schematic diagram of a screen disc structure of a screening device for facilitating organic fertilizer screening according to the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a crushing device; 110. a crushing roller; 120. saw teeth; 130. a feed inlet;

200. a screening system; 210. a screen tray; 211. a semicircular bulge; 212. an elastic poking piece; 213. a round bar; 220. a housing; 221. a rotating electric machine; 222. a scraping rod; 223. a scraper; 230. a servo motor; 231. rotating the nut; 240. a partition plate; 241. a fines outlet; 242. and a coarse material outlet.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-4, a screening device convenient for screening organic fertilizers, including fertilizer from breaker 100 entering to carry out crushing treatment to bigger piece of fertilizer, the fertilizer after crushing falls into screening system 200 and carries out the screening of size, screen cloth dish 210 in screening system 200 is installed in casing 220, servo motor 230 is designed to drive in the center, rotate the screening to the fertilizer that falls into, servo motor 230 is connected through swivel nut 231 and screen cloth dish 210, breaker 100 is installed to the upper end of casing 220, the lower extreme design has division board 240, division board 240 installs the lower extreme at screen cloth dish 210, division board 240 breaks up the lower extreme of casing 220 into fine material export 241 and coarse fodder export 242, the design of this structure, become big fertilizer with big piece of fertilizer into small granule and make the yield in the screening process improve, after the fertilizer is smashed and fall into screen cloth dish 210, drive screen cloth dish 210 through servo motor 230 and rotate, make the mesh that the fertilizer of small granule falls into in 240 from the fine material export 241 through the mesh that falls into, however, the effect of big fertilizer falls into screen cloth dish 210 along with the centrifugal force that the screen cloth falls into the screen cloth export 241 is avoided, the screen cloth is broken down along with the screen cloth is broken down, the efficiency is greatly is avoided because the screen cloth is broken down, the screen cloth is broken down to have been pushed down, the screen cloth has been broken down and has been realized.

In this embodiment, the shape of the screen disc 210 is circular, the center to the edge of the screen disc 210 is circular arc shape and slowly rises, the center of the screen disc 210 is designed with semicircular protrusions 211 in circular array, the semicircular protrusions 211 rotate together with the screen disc 210, the design of this structure, the center to the edge of the screen disc 210 is circular arc shape and slowly rises to concentrate and repeatedly screen small-particle fertilizers in the rotating process, the large-particle fertilizers move towards the edge to be more conveniently screened out, the semicircular protrusions 211 rotating together are added to increase disturbance on falling fertilizers in the rotating process, and this structure is used for increasing the screening efficiency.

In this embodiment, the edge of the screen plate 210 is designed with multiple groups of elastic paddles 212, the elastic paddles 212 are fixed by round rods 213, and are circularly connected end to be installed at the edge of the screen plate 210, the elastic paddles 212 are made of metal material, have a certain elasticity, the fixed end is arc-shaped to the tail end and gradually thin in size, and in this structure, when large-particle fertilizer is rapidly moved towards the edge of the screen plate 210 under the action of centrifugal force, the fertilizer impacts the elastic paddles 212 at this time to deform the elastic paddles 212, so that the kinetic potential energy of the fertilizer is slowed down, the large-particle fertilizer falls into a coarse material outlet 242, and meanwhile, the phenomenon that the large-particle fertilizer impacts the inner wall of the shell 220 to form adhesion is avoided.

In this embodiment, the scraping rod 222 driven by the rotating motor 221 is installed on the inner wall of the housing 220, the scraping blade 223 is installed on the scraping rod 222 to clean the inner wall of the housing 220 in a rotating manner, and the rotating motor 221 drives the scraping blade 223 installed on the scraping rod 222 to clean the inner wall of the housing 220 in a rotating manner, so that the inner wall of the housing 220 is prevented from being sticky due to part of fertilizer, and timely cleaning is achieved.

According to the embodiment, the crushing roller 110 is arranged in the feeding hole 130 of the crushing device 100, the crushing roller 110 is symmetrically arranged in two rollers, the saw teeth 120 of the two rollers are arranged in a staggered mode to form a spiral shape, the crushing roller 110 is driven to rotate by a motor, the saw teeth 120 are mutually meshed with each other due to opposite rotation directions of the two crushing rollers 110 to crush a large block of fertilizer, in order to avoid the crushing process, the fertilizer can form a line to integrally fall to cause accumulation on the screen disc 210, the saw teeth 120 are arranged in a spiral mode, and the crushed fertilizer gradually falls from one end of the crushing roller 110 to the other end, so that the screening efficiency of the screen disc 210 is improved.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. Sieving mechanism convenient to fertilizer screening, its characterized in that: including fertilizer from breaker (100) get into to smash processing to the fertilizer of great piece, the fertilizer after smashing falls into screening system (200) and carries out the screening of size, screen cloth dish (210) in screening system (200) are installed in casing (220), and center design has servo motor (230) to drive, rotate the screening to the fertilizer that falls into, servo motor (230) are connected through swivel nut (231) and screen cloth dish (210), breaker (100) are installed to the upper end of casing (220), and its lower extreme design has division board (240), the lower extreme at screen cloth dish (210) is installed to division board (240), division board (240) divide into fine material export (241) and coarse material export (242) with the lower extreme of casing (220).

2. The screening device convenient for screening organic fertilizer according to claim 1, wherein: the shape of the screen plate (210) is circular, the center of the screen plate (210) is circular, the screen plate slowly rises from the edge to the center, the center of the screen plate (210) is provided with a circular array of semicircular bulges (211), and the semicircular bulges (211) rotate together with the screen plate (210).

3. The screening device convenient for screening organic fertilizer according to claim 1, wherein: the edge design of screen cloth dish (210) has multiunit elasticity plectrum (212), elasticity plectrum (212) are fixed through round bar (213), and end to end becomes circular installs in the edge of screen cloth dish (210), elasticity plectrum (212) have certain elasticity for the metal material, and its stiff end becomes the arc to the tail end and the size taper gradually.

4. The screening device convenient for screening organic fertilizer according to claim 1, wherein: the inner wall of the shell (220) is provided with a scraping rod (222) driven by a rotary motor (221), and the scraping rod (222) is provided with a scraper (223) for cleaning the inner wall of the shell (220) in a rotary mode.

5. The screening device convenient for screening organic fertilizer according to claim 1, wherein: the crushing device is characterized in that a crushing roller (110) is arranged in a feed inlet (130) of the crushing device (100), the crushing roller (110) is symmetrically arranged in a double-roller mode, spaced saw teeth (120) are arranged on the crushing roller, and the saw teeth (120) of the two rollers are arranged in a staggered mode to form a spiral shape.

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